CN203465249U - Dilution-free linearity curve drawing chromatographic instrument - Google Patents
Dilution-free linearity curve drawing chromatographic instrument Download PDFInfo
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- CN203465249U CN203465249U CN201320563896.5U CN201320563896U CN203465249U CN 203465249 U CN203465249 U CN 203465249U CN 201320563896 U CN201320563896 U CN 201320563896U CN 203465249 U CN203465249 U CN 203465249U
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Abstract
The utility model provides a dilution-free linearity curve drawing chromatographic instrument comprising a separation column, a pump, a six-way changeover valve, a plurality of quantitative tubes and a selection valve, wherein the separation column and the pump are respectively connected with the six-way changeover valve; the selection valve is used for selecting the different quantitative tubes to be communicated with the six-way changeover valve; the plurality of quantitative tubes are connected with the selection valve; the selection valve is connected with the six-way changeover valve. The different quantitative tubes are selected by the selection valve to take part in detection, the volumes of all the quantitative tubes are different to ensure that solutions with different concentrations can be obtained through changing the amount of substances entering the separation column by using the different quantitative tubes, and the measuring solutions with the different concentrations do not need to be prepared by operation staff in a measuring process, so that the condition that the precision of a linearity curve is influenced by errors caused by vessels and man-made factors is effectively avoided, an artificial solution dilution process is omitted, the measuring precision of the dilution-free linearity curve drawing chromatographic instrument is improved, and the workload of the operation staff is reduced.
Description
Technical field
The utility model relates to Studies by Chromatography electricity testing device, relates in particular to a kind of chromatograph that linearity curve is made in dilution of exempting from.
Background technology
Chromatograph application chromatography is carried out the instrument of qualitative and quantitative analysis to material.As depicted in figs. 1 and 2, chromatograph of the prior art generally includes workstation 101, detecting device 102, detection cell 103, separating column 104, quantity tube 105 and six direction changeover valves 106, the two ends of quantity tube 105 are connected on two ports of six direction changeover valves 106, outside injector 108 is connected to six direction changeover valves 106, and leacheate container 107 is also connected on six direction changeover valves 106 by pump 1071.When needs are analyzed, first, as shown in Figure 1, injector 108 is injected into solution to be analyzed in quantity tube 105 by six direction changeover valves 106, and too much solution enters into waste liquid barrel 109; In quantity tube 105, fill with after solution to be analyzed, as shown in Figure 2, six direction changeover valve 106 switching states, the leacheate that pump 1071 is carried enters into quantity tube 105 and the solution to be analyzed of quantity tube 105 is delivered to separating column 104, then through detection cell 103, detecting device 102 and workstation 101, analyzes the parameters such as appearance time, peak height and peak area of solution under this CONCENTRATION STATE.When doing stratographic analysis linearity curve, conventionally need to measure the parameter value of a plurality of concentration point to obtain linearity curve, and because the volume V of quantity tube 105 is certain, must remove to change the quantity n that enters into separating column 104 materials, i.e. n=C*V by changing material concentration C.But, linearity curve concentration point choose precision General Requirements at several ppb(μ g/L) to tens ppm(mg/L) and between and select at least 5 concentration point, and at the dry of material and weigh, container scale and the error of material be, the error of manual operation will affect the precision of linearly dependent coefficient, causes the reduction of chromatograph measuring accuracy; And for the cleaning repeatedly of container and dry, accurately prepare the concentration solution of the required a plurality of concentration point of linearity curve, also increased greatly operating personnel's workload.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of chromatograph that linearity curve is made in dilution of exempting from is provided, solve chromatograph in prior art and be affected by human factors the defect that causes measuring accuracy to reduce, realize and improve chromatographic measuring accuracy, reduce operating personnel's workload.
The technical scheme that the utility model provides is, a kind ofly exempt from dilution and make the chromatograph of linearity curve, comprise separating column, pump and six direction changeover valves, described separating column is connected with described six direction changeover valves respectively with described pump, also comprise many quantity tubes and the selector valve for selecting different described quantity tubes to be communicated with described six direction changeover valves, many described quantity tubes are connected with described selector valve, and described selector valve is connected with described six direction changeover valves.
Further, described selector valve comprises stator and rotor, and the center of described stator is provided with the first connecting hole, and described stator Shang Raoqi center is provided with a plurality of the second connecting holes, is also provided with the 3rd connecting hole on described stator; The center of described rotor is provided with the first groove, described rotor Rao Qi center is provided with arc-shaped slot, the second groove and the 3rd groove, described the second groove is communicated with described the first groove and is formed the first groove by the first link slot arranging on described rotor, and described the 3rd groove is communicated with described arc-shaped slot and is formed the second groove by the second link slot arranging on described rotor; Described rotor is attached on described stator, and described the first groove is communicated with described the first connecting hole, and described the second groove and described the 3rd groove are communicated with corresponding described the second connecting hole, and described arc-shaped slot is communicated with described the 3rd connecting hole; Many described quantity tubes are connected between two corresponding described the second connecting holes, and described the first connecting hole is connected with described six direction changeover valves with described the 3rd connecting hole.
Further, on described stator, be provided with the auxiliary circle deep-slotted chip breaker being communicated with described the 3rd connecting hole, the radius of described auxiliary circle deep-slotted chip breaker is identical with the radius of described arc-shaped slot, and described arc-shaped slot is communicated with described the 3rd connecting hole by described auxiliary circle deep-slotted chip breaker.
Further, on described stator, be also fixedly connected with valve head, the center of described valve head is provided with the first external tapping, described valve head Shang Raoqi center is provided with a plurality of the second external tappings, on described valve head, be also provided with the 3rd external tapping, described the first external tapping is communicated with described the first connecting hole, described the second external tapping is communicated with corresponding described the second connecting hole, described the 3rd external tapping is communicated with corresponding described the 3rd connecting hole, a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along inside surface to the outside surface direction of described valve head.
Further, described selector valve comprises stator and rotor, and described stator Shang Raoqi center is provided with two the first connecting holes and several second connecting holes; Described rotor Rao Qi center is provided with the arc-shaped slot corresponding with described the first connecting hole, is also provided with the groove corresponding with described arc-shaped slot and link slot on described rotor, and described groove is communicated with described arc-shaped slot and is formed groove structure by described link slot; Described rotor is attached on described stator, and described arc-shaped slot is communicated with corresponding described the first connecting hole, and described groove is communicated with corresponding described the second connecting hole; Many described quantity tubes are connected between two corresponding described the second connecting holes, and two described the first connecting holes are connected with described six direction changeover valves.
Further, on described stator, be provided with the auxiliary circle deep-slotted chip breaker corresponding with described the first connecting hole, described auxiliary circle deep-slotted chip breaker is communicated with described the first connecting hole, the radius of described auxiliary circle deep-slotted chip breaker is identical with the radius of corresponding described arc-shaped slot, and described arc-shaped slot is communicated with described the first connecting hole by described auxiliary circle deep-slotted chip breaker.
Further, on described stator, be also fixedly connected with valve head, on described valve head, be provided with first external tapping corresponding with described the first connecting hole, described valve head Shang Raoqi center is provided with the second external tapping that a plurality of and described the second connecting hole is corresponding, described the first external tapping is communicated with corresponding described the first connecting hole, described the second external tapping is communicated with corresponding described the second connecting hole, and a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along inside surface to the outside surface direction of described valve head.
Further, the center of circle of described the second connecting hole is distributed in and take in the circular trace that the center of described stator is the center of circle.
Further, on described stator, be provided with boss structure, described rotor is attached on the surface of described boss structure.
The utility model provides exempts from the chromatograph that linearity curve is made in dilution, by adopting selector valve, select different quantity tubes to participate in detecting, the volume of each quantity tube is different, can change and enter into the quantity of separating column material with the solution of acquisition variable concentrations by different quantity tubes, according to formula n=C*V, take C as constant, the V of take measures the parameter of solution under variable concentrations as variable, in measuring process, the solution that modulates variable concentrations without operating personnel is measured, and the solution that can adopt same concentration obtains the solution of variable concentrations in separating column by different quantity tubes, effectively having avoided container and people is the precision of the error effect linearity curve that causes, realize the process of manpower-free's dilute solution, improved and exempted from the chromatographic measuring accuracy that linearity curve is made in dilution, reduced operating personnel's workload.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is chromatographic structural representation one in prior art;
Fig. 2 is chromatographic structural representation two in prior art;
Fig. 3 is that the utility model is exempted from the structural representation one that the chromatograph embodiment mono-of linearity curve is made in dilution;
Fig. 4 is that the utility model is exempted from the structural representation two that the chromatograph embodiment mono-of linearity curve is made in dilution;
Fig. 5 is the assembling schematic diagram of stator and rotor in Fig. 3;
Fig. 6 is the structural representation of stator in Fig. 3;
Fig. 7 is the structural representation of Fig. 3 rotor;
Fig. 8 is that the utility model is exempted from two structural representations one that the chromatograph embodiment of linearity curve is made in dilution;
Fig. 9 is that the utility model is exempted from two structural representations two that the chromatograph embodiment of linearity curve is made in dilution;
Figure 10 is the assembling schematic diagram of stator and rotor in Fig. 8;
Figure 11 is the structural representation of stator in Fig. 8;
Figure 12 is the structural representation of Fig. 8 rotor;
Figure 13 is that the utility model is exempted from the structural representation that selector valve in the chromatograph embodiment of linearity curve is made in dilution.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 3, the present embodiment is exempted from the chromatograph that linearity curve is made in dilution, comprise workstation 101, detecting device 102, detection cell 103, separating column 104, pump 401, many not isometric quantity tubes 106, six direction changeover valves 200 and waste liquid barrel 105, wherein, six direction changeover valves 200 are along the circumferential direction disposed with the first valve port, the second valve port, the 3rd valve port, the 4th valve port, the 5th valve port and the 6th valve port, separating column 104 is connected with the 3rd valve port of six direction changeover valves 200, waste liquid barrel 105 is connected with the 5th valve port, the present embodiment is exempted from the chromatograph that dilution makes linearity curve and is also comprised the selector valve 300 for selecting different basis weights pipe 106 to be communicated with six direction changeover valves 200, many not isometric quantity tube 106 correspondences are connected on selector valve 300, selector valve 300 is connected with the 4th valve port with the first valve port of six direction changeover valves 200.
Particularly, selector valve 300 in the present embodiment is for selecting different basis weights pipe 106 to be connected with the 4th valve port with the first valve port, in test process, by solution to be analyzed, the 6th valve port by six direction changeover valves 200 is injected into the present embodiment and exempts from dilution and do in the chromatograph of linearity curve injector 500, and solution to be analyzed enters into certain buret 106 by six direction changeover valves 200 and selector valve 300; At quantity tube 106, fill with after solution to be analyzed, as shown in Figure 4, six direction changeover valve 200 switching states, leacheate container 400 is injected into leacheate in six direction changeover valves 200 by pump 401, leacheate is entered into this quantity tube 106 and the solution to be analyzed of quantity tube 106 is delivered to separating column 104 by six direction changeover valves 200 and selector valve 300, then by detection cell 103, detecting device 102 and workstation 101, analyzes the parameters such as appearance time, peak height and peak area of solution under this CONCENTRATION STATE.Then, by selector valve 300, select different quantity tubes 106 again, again carry out above-mentioned steps, to obtain the appearance time of solution under another CONCENTRATION STATE, the parameter such as peak height and peak area, just can be according to many groups gain of parameter of measuring linearity curve accurately, carry out linearity curve while measuring exempting from chromatograph that dilution makes linearity curve by the present embodiment, without operating personnel, allocate the solution of multiple variable concentrations, effectively having avoided container and people is the precision of the error effect linearity curve that causes, realize the process of manpower-free's dilute solution, improved and exempted from the chromatographic measuring accuracy that linearity curve is made in dilution.Wherein, to exempt from the chromatograph that dilution makes linearity curve can be ion chromatograph or liquid chromatograph to the present embodiment.
Wherein, the selector valve 300 in the present embodiment can adopt various ways, below illustrates:
As shown in Fig. 3-Fig. 7, selector valve 300 comprises stator 1 and rotor 2, and the center of stator 1 is provided with the first connecting hole 11, and stator 1 Shang Raoqi center is provided with a plurality of the second connecting holes 12, is also provided with the 3rd connecting hole 13 on stator 1; The center of rotor 2 is provided with the first groove 21, rotor 2 Rao Qi centers are provided with arc-shaped slot 22, the second groove 23 and the 3rd groove 24, the second groove 23 is communicated with formation the first groove 201, the three grooves 24 by the first link slot 25 arranging on rotor 2 and is communicated with arc-shaped slot 22 and is formed the second groove 202 by the second link slot 26 arranging on rotor 2 with the first groove 21; Rotor 2 is attached on stator 1, and the first groove 21 is communicated with the first connecting hole 11, and the second groove 23 and the 3rd groove 24 are communicated with the second corresponding connecting hole 12, and arc-shaped slot 22 is communicated with the 3rd connecting hole 13; Many quantity tubes 106 are connected between two corresponding the second connecting holes 12, and the first connecting hole 11 is connected with the 4th port with six direction changeover valve 200 first ports with the 3rd connecting hole 13 correspondences.Concrete, the first groove 201 and the second groove 202 will be followed rotor 2 and together be rotated, and the first groove 201 and the second groove 202 will be communicated with the second corresponding connecting hole 12.Wherein, formed the first groove 201 of the first groove 21, the first link slot 25 and the second groove 23 is an integral channel structure, and formed the second groove 202 of arc-shaped slot 22, the second link slot 26 and the 3rd groove 24 is an integral channel structure.Rotor 2 is in rotation process, and the first groove 21 in the first groove 201 will be communicated with the first connecting hole 11 all the time, thereby guarantees that the first connecting hole 11 can be communicated with second connecting hole 12 at diverse location place by the first groove 201; Meanwhile, arc-shaped slot 22 in the second groove 202 can be communicated with the 3rd connecting hole 13 all the time, thereby guarantee that the 3rd connecting hole 13 can be communicated with second connecting hole 12 at diverse location place by the second groove 202, realize selector valve 300 and can realize multiple mode of communicating, on stator 1, can connect as required many quantity tubes 106, and realize and select as required specific quantity tube 106 to be connected with six direction changeover valves 200.For example: it is example that the stator 1 of take in accompanying drawing 6 has 12 the second connecting holes 12, on the stator 1 in accompanying drawing 6, can be connected with six roots of sensation quantity tube 106, thus realize six kinds of mode of communicating.Further, in order to reduce the friction force between stator 1 and rotor 2, on stator 1, be provided with boss structure 10, the first connecting holes 11, the second connecting hole 12 and the 3rd connecting hole 13 and be distributed on the surface of boss structure 10, rotor 2 is attached on the surface of boss structure 10.Concrete, boss structure 10 on stator 1 contacts with rotor 2, effectively reduce the contact area between rotor 2 and stator 1, after rotor 2 contacts with boss structure 10, by the surface of contact between rotor 2 and boss structure 10, sealed up groove structure on rotor 2 and the pore structure on stator 1.Preferably, the stator 1 in the present embodiment and rotor 2 can adopt polyetheretherketone (to be called for short: PEEK) high-abrasive material such as resin, nylon is made, and with more effective reduction friction factor, reduces wear.In addition, when selector valve 300 is during for high-pressure valve, the diameter of the first connecting hole 11, the second connecting hole 12 and the 3rd connecting hole 13 in the present embodiment can be 0.1mm ~ 1.5mm, the groove width of the first groove 201 and the second groove 202 can be 0.1mm ~ 1.5mm, and the groove depth of the first groove 201 and the second groove 202 can be 0.1mm ~ 1.5mm.Further again, for fear of the remaining liquid of the tail end that occurs arc-shaped slot 22, on stator 1, be provided with the auxiliary circle deep-slotted chip breaker 131 being communicated with the 3rd connecting hole 13, the radius of auxiliary circle deep-slotted chip breaker 131 is identical with the radius of arc-shaped slot 22, and arc-shaped slot 22 is communicated with the 3rd connecting hole 13 by auxiliary circle deep-slotted chip breaker 131.Concrete, after rotor 2 is fitted on stator 1, the tail end of arc-shaped slot 22 will overlap with auxiliary circle deep-slotted chip breaker 131, liquid in arc-shaped slot 22 will enter into the 3rd connecting hole 13 by auxiliary circle deep-slotted chip breaker 131, due in rotor 2 rotation processes, the tail end of arc-shaped slot 22 will overlap with auxiliary circle deep-slotted chip breaker 131 all the time, avoids occurring the remaining liquid of tail end of arc-shaped slot 22, has improved the precision of selector valve 300.Preferably, the arc length of auxiliary circle deep-slotted chip breaker 131 is not less than the arc length of arc-shaped slot 22.
Same, shown in Fig. 8-Figure 12, selector valve 300 comprises stator 1 and rotor 2, the center of stator 1 is provided with the first connecting hole 11, stator 1 Shang Raoqi center is provided with two first connecting holes 11 and several second connecting holes 12, rotor 2 Rao Qi centers are provided with the arc-shaped slot 22 corresponding with the first connecting hole 11, are also provided with the groove corresponding with arc-shaped slot 22 21 and link slot 23 on rotor 2, and groove 21 is communicated with arc-shaped slot 22 and is formed groove structure 201 by link slot 23; Rotor 2 is attached on stator 1, and arc-shaped slot 22 is communicated with the first corresponding connecting hole 13, and groove 21 is communicated with the second corresponding connecting hole 12; Many quantity tubes 106 are connected between two corresponding the second connecting holes 12, and two the first connecting holes 11 are connected with the 4th port with the first port of six direction changeover valves 200.Concrete, groove structure 201 will be followed rotor 2 and together be rotated, and groove structure 201 will be communicated with the second corresponding connecting hole 12.Wherein, the formed groove structure 201 of groove 21, link slot 23 and arc-shaped slot 22 is an integral channel structure.Rotor 2 is in rotation process, and groove structure 201 remains connected state by arc-shaped slot 22 with the first corresponding connecting hole 11, thereby guarantees that this first connecting hole 11 can be communicated with second connecting hole 12 at diverse location place by groove structure 201; Meanwhile, another groove structure 201 is also communicated with second connecting hole 12 at the diverse location place with corresponding, realize selector valve 300 and can realize multiple mode of communicating, on stator 1, can connect as required many quantity tubes 106, and realize and select as required specific quantity tube 106 and be connected with six direction changeover valves 200.For example: it is example that the stator 1 of take in accompanying drawing 11 has 12 the second connecting holes 12, on the stator 1 in accompanying drawing 11, can be connected with six roots of sensation quantity tube, thus realize six kinds of mode of communicating.Further, in order to reduce the friction force between stator 1 and rotor 2, be provided with boss structure 10, the first connecting holes 11 and the second connecting hole 12 and be distributed on the surface of boss structure 10 on stator 1, rotor 2 is attached on the surface of boss structure 10.Concrete, boss structure 10 on stator 1 contacts with rotor 2, effectively reduce the contact area between rotor 2 and stator 1, after rotor 2 contacts with boss structure 10, by the surface of contact between rotor 2 and boss structure 10, sealed up groove structure on rotor 2 and the pore structure on stator 1.Preferably, the stator 1 in the present embodiment and rotor 2 can adopt polyetheretherketone (to be called for short: PEEK) high-abrasive material such as resin, nylon is made, and with more effective reduction friction factor, reduces wear.In addition, when selector valve 300 is during for high-pressure valve, the first connecting hole 11 in the present embodiment and the diameter of the second connecting hole 12 can be 0.1mm ~ 1.5mm, and the groove width of groove structure 201 can be 0.1mm ~ 1.5mm, and the groove depth of groove structure 201 can be 0.1mm ~ 1.5mm.Further again, as shown in Figure 10-Figure 12, for fear of the remaining liquid of the tail end that occurs arc-shaped slot 22, on stator 1, be provided with the auxiliary circle deep-slotted chip breaker 111 being communicated with corresponding the first connecting hole 11, the radius of auxiliary circle deep-slotted chip breaker 111 is identical with the radius of corresponding arc-shaped slot 22, and arc-shaped slot 22 is communicated with the first connecting hole 11 by auxiliary circle deep-slotted chip breaker 111.Concrete, after rotor 2 is fitted on stator 1, the tail end of arc-shaped slot 22 will overlap with auxiliary circle deep-slotted chip breaker 111, liquid in arc-shaped slot 22 will enter into the first connecting hole 11 by auxiliary circle deep-slotted chip breaker 111, due in rotor 2 rotation processes, the tail end of arc-shaped slot 22 will overlap with auxiliary circle deep-slotted chip breaker 111 all the time, avoids occurring the remaining liquid of tail end of arc-shaped slot 22, has improved the precision of selector valve 300.Preferably, the arc length of auxiliary circle deep-slotted chip breaker 111 is not less than the arc length of corresponding with it arc-shaped slot 22.
Wherein, as shown in figure 11, the center of circle of the second connecting hole 12 in the present embodiment is distributed in take in the circular trace that the center of stator 1 is the center of circle, concrete, and the second connecting hole 12 is distributed in take in the same circular trace that the center of stator 1 is the center of circle.Or, as shown in Figure 6, a plurality of the second connecting holes are divided into a plurality of the second connecting holes 1 and a plurality of the second connecting hole 2 122, the center of circle of a plurality of the second connecting holes 1 is distributed in take the center of stator 1 in the circular trace that center of circle radius is r1, the center of circle of a plurality of the second connecting holes 2 122 is distributed in take the center of stator 1 in the circular trace that center of circle radius is r2, wherein, r1 is not equal to r2.And at rotor 2, be attached on stator 1 in rotation process being centered close on same straight line of the center of circle of the rotation of rotor 2, arc-shaped slot 22 and stator 1.
As shown in figure 13, selector valve 300 can be also hand valve for motorized valve, selector valve 300 does not limit its type of drive, in addition, selector valve 300 can be high-pressure valve, can be also low pressure valve, selector valve 300 does not limit its environment for use, selector valve 300 be take motorized valve and the assembly relation of stator 1 and rotor 2 is described as example, and the stator 1 in selector valve 300 and rotor 2 are arranged in shell 4 conventionally, and motor 5 drives rotors 2 to rotate.Further, on stator 1, be also fixedly connected with valve head 3, the center of valve head 3 is provided with the first external tapping and/or the 3rd external tapping (not shown), valve head 3 Shang Raoqi centers are provided with a plurality of the second external tappings 31, the second external tapping 31 is communicated with corresponding the second connecting hole 12, and a plurality of the second external tappings 31 are divergent shape setting or a plurality of the second external tapping 31 is distributed on the circumferential side wall of valve head 3 along inside surface to the outside surface direction of valve head 3.Concrete, the second external tapping 31 is divergent shape setting on valve head 3, thereby when occurring that the second connecting hole 12 occurs to stop up, can adopt fine needle to be inserted in the second connecting hole 12 and to clear up along the second external tapping 31, thereby without dismounting selector valve 300, just can clear up easily the second connecting hole 12 of blocking.And the second external tapping 31 is distributed on the circumferential side wall of valve head 3, the xsect of the second external tapping 31 is L-type structure, more convenient processing.
The utility model provides exempts from the chromatograph that linearity curve is made in dilution, by adopting selector valve to select different quantity tubes to be connected with six direction changeover valves, participate in detecting, the volume of each quantity tube is different, can change and enter into the quantity of separating column material with the solution of acquisition variable concentrations by different quantity tubes, according to formula n=C*V, take C as constant, the V of take measures the parameter of solution under variable concentrations as variable, in measuring process, the solution that modulates variable concentrations without operating personnel is measured, and the solution that can adopt same concentration obtains the solution of variable concentrations in separating column by different quantity tubes, effectively having avoided container and people is the precision of the error effect linearity curve that causes, realize the process of manpower-free's dilute solution, improved and exempted from the chromatographic measuring accuracy that linearity curve is made in dilution, reduced operating personnel's workload.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. exempt from the chromatograph that linearity curve is made in dilution for one kind, comprise separating column, pump and six direction changeover valves, described separating column is connected with described six direction changeover valves respectively with described pump, it is characterized in that, also comprise many quantity tubes and the selector valve for selecting different described quantity tubes to be communicated with described six direction changeover valves, many described quantity tubes are connected with described selector valve, and described selector valve is connected with described six direction changeover valves.
2. according to claim 1ly exempt from dilution and make the chromatograph of linearity curve, it is characterized in that, described selector valve comprises stator and rotor, the center of described stator is provided with the first connecting hole, described stator Shang Raoqi center is provided with a plurality of the second connecting holes, is also provided with the 3rd connecting hole on described stator; The center of described rotor is provided with the first groove, described rotor Rao Qi center is provided with arc-shaped slot, the second groove and the 3rd groove, described the second groove is communicated with described the first groove and is formed the first groove by the first link slot arranging on described rotor, and described the 3rd groove is communicated with described arc-shaped slot and is formed the second groove by the second link slot arranging on described rotor; Described rotor is attached on described stator, and described the first groove is communicated with described the first connecting hole, and described the second groove and described the 3rd groove are communicated with corresponding described the second connecting hole, and described arc-shaped slot is communicated with described the 3rd connecting hole; Many described quantity tubes are connected between two corresponding described the second connecting holes, and described the first connecting hole is connected with described six direction changeover valves with described the 3rd connecting hole.
3. according to claim 2ly exempt from dilution and make the chromatograph of linearity curve, it is characterized in that, on described stator, be provided with the auxiliary circle deep-slotted chip breaker being communicated with described the 3rd connecting hole, the radius of described auxiliary circle deep-slotted chip breaker is identical with the radius of described arc-shaped slot, and described arc-shaped slot is communicated with described the 3rd connecting hole by described auxiliary circle deep-slotted chip breaker.
4. according to claim 2ly exempt from dilution and make the chromatograph of linearity curve, it is characterized in that, on described stator, be also fixedly connected with valve head, the center of described valve head is provided with the first external tapping, described valve head Shang Raoqi center is provided with a plurality of the second external tappings, on described valve head, be also provided with the 3rd external tapping, described the first external tapping is communicated with described the first connecting hole, described the second external tapping is communicated with corresponding described the second connecting hole, described the 3rd external tapping is communicated with corresponding described the 3rd connecting hole, a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along inside surface to the outside surface direction of described valve head.
5. according to claim 1 exempting from diluted the chromatograph of making linearity curve, it is characterized in that, described selector valve comprises stator and rotor, and described stator Shang Raoqi center is provided with two the first connecting holes and several second connecting holes; Described rotor Rao Qi center is provided with the arc-shaped slot corresponding with described the first connecting hole, is also provided with the groove corresponding with described arc-shaped slot and link slot on described rotor, and described groove is communicated with described arc-shaped slot and is formed groove structure by described link slot; Described rotor is attached on described stator, and described arc-shaped slot is communicated with corresponding described the first connecting hole, and described groove is communicated with corresponding described the second connecting hole; Many described quantity tubes are connected between two corresponding described the second connecting holes, and two described the first connecting holes are connected with described six direction changeover valves.
6. according to claim 5ly exempt from dilution and make the chromatograph of linearity curve, it is characterized in that, on described stator, be provided with the auxiliary circle deep-slotted chip breaker corresponding with described the first connecting hole, described auxiliary circle deep-slotted chip breaker is communicated with described the first connecting hole, the radius of described auxiliary circle deep-slotted chip breaker is identical with the radius of corresponding described arc-shaped slot, and described arc-shaped slot is communicated with described the first connecting hole by described auxiliary circle deep-slotted chip breaker.
7. according to claim 5ly exempt from dilution and make the chromatograph of linearity curve, it is characterized in that, on described stator, be also fixedly connected with valve head, on described valve head, be provided with first external tapping corresponding with described the first connecting hole, described valve head Shang Raoqi center is provided with the second external tapping that a plurality of and described the second connecting hole is corresponding, described the first external tapping is communicated with corresponding described the first connecting hole, described the second external tapping is communicated with corresponding described the second connecting hole, a plurality of described the second external tappings are divergent shape setting or a plurality of described the second external tapping is distributed on the circumferential side wall of described valve head along inside surface to the outside surface direction of described valve head.
8. according to the arbitrary described chromatograph that linearity curve is made in dilution of exempting from of claim 2-7, it is characterized in that, the center of circle of described the second connecting hole is distributed in take in the circular trace that the center of described stator is the center of circle.
9. according to claim 2-7, the chromatograph of making linearity curve is diluted in arbitrary described exempting from, and it is characterized in that, on described stator, be provided with boss structure, described rotor is attached on the surface of described boss structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563896.5U CN203465249U (en) | 2013-09-11 | 2013-09-11 | Dilution-free linearity curve drawing chromatographic instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563896.5U CN203465249U (en) | 2013-09-11 | 2013-09-11 | Dilution-free linearity curve drawing chromatographic instrument |
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| CN203465249U true CN203465249U (en) | 2014-03-05 |
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| CN201320563896.5U Withdrawn - After Issue CN203465249U (en) | 2013-09-11 | 2013-09-11 | Dilution-free linearity curve drawing chromatographic instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439433A (en) * | 2013-09-11 | 2013-12-11 | 青岛普仁仪器有限公司 | Dilution-free linear curve chromatograph and linear curve measuring method |
| CN105351548A (en) * | 2015-11-20 | 2016-02-24 | 浙江泛泰仪器有限公司 | Online rapid sampling valve |
| CN121298971A (en) * | 2025-12-15 | 2026-01-09 | 国网湖南省电力有限公司超高压变电公司 | A device and method for monitoring dissolved gases in on-load tap changer oil |
-
2013
- 2013-09-11 CN CN201320563896.5U patent/CN203465249U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439433A (en) * | 2013-09-11 | 2013-12-11 | 青岛普仁仪器有限公司 | Dilution-free linear curve chromatograph and linear curve measuring method |
| CN105351548A (en) * | 2015-11-20 | 2016-02-24 | 浙江泛泰仪器有限公司 | Online rapid sampling valve |
| CN121298971A (en) * | 2025-12-15 | 2026-01-09 | 国网湖南省电力有限公司超高压变电公司 | A device and method for monitoring dissolved gases in on-load tap changer oil |
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