CN212320013U - A kind of air conditioner defrosting control device and air conditioner - Google Patents
A kind of air conditioner defrosting control device and air conditioner Download PDFInfo
- Publication number
- CN212320013U CN212320013U CN202020817999.XU CN202020817999U CN212320013U CN 212320013 U CN212320013 U CN 212320013U CN 202020817999 U CN202020817999 U CN 202020817999U CN 212320013 U CN212320013 U CN 212320013U
- Authority
- CN
- China
- Prior art keywords
- defrosting
- air conditioner
- air
- control device
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioner defrosting control device and air conditioner relates to air conditioner technical field for the defrosting of air conditioner, the air conditioner includes the circulation circuit of constituteing by compressor, indoor heat exchanger, flow controller and outdoor heat exchanger, air conditioner defrosting control device includes the defrosting return circuit of constituteing by heat accumulation shell, gas-supply pipe and change the frost subassembly, the one end of gas-supply pipe with the end of giving vent to anger of heat accumulation shell is connected, the other end of gas-supply pipe with the inlet end of changing the frost subassembly is connected, just the heat accumulation shell is used for the cladding the compressor, change the frost subassembly with the inner wall fixed phase of the off-premises station of air conditioner links and is close to outdoor heat exchanger sets up, is suitable for the defrosting. The utility model discloses an absorb the used heat of compressor at compressor surface cladding heat accumulation shell to carry to changing the frost pipe network through the gas-supply pipe and continuously change the frost to outdoor heat exchanger, realize utilizing compressor used heat to change the purpose of frost, improved unit performance and reliability.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to an air conditioner defrosting controlling means and air conditioner.
Background
When the air conditioner is operated in heating, one layer of white frost often can appear on the windward side of the outdoor heat exchanger, the defrosting is generally carried out through reverse circulation in the prior art, but the defrosting time is longer, and because the fin of most outdoor heat exchangers is erected and installed, the defrosting water on the upper portion can be collected at the bottom, the outlet under the refrigeration mode often also is located at the bottom, the defrosting on the bottom of the outdoor heat exchanger is incomplete and the phenomenon of residual ice blocks can appear, and along with the increase of the unit operation time, the bottom frost layer or the ice layer can be thicker and thicker, so that the heating capacity is gradually attenuated, the increase of energy consumption is caused, and the performance and the reliability of the unit are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be that the longer and outdoor heat exchanger's of current air conditioner defrosting time bottom defrosting does not thoroughly make a sound the performance and the reliability of unit.
In order to solve the problem, the utility model provides an air conditioner defrosting control device for the defrosting of air conditioner, the air conditioner includes the circulation circuit of compriseing compressor, indoor heat exchanger, flow controller and outdoor heat exchanger, air conditioner defrosting control device includes the defrosting return circuit of compriseing heat accumulation shell, gas-supply pipe and defrosting subassembly, the one end of gas-supply pipe with the end of giving vent to anger of heat accumulation shell is connected, the other end of gas-supply pipe with the air inlet end of defrosting subassembly is connected, just the heat accumulation shell is used for the cladding the compressor, defrosting subassembly with the inner wall fixed phase of the off-premises station of air conditioner links to each other and is close to outdoor heat exchanger sets up, is suitable for defrosting.
From this, through the used heat that absorbs the compressor at compressor surface cladding heat accumulation shell to carry to the defrosting pipe network through the gas-supply pipe and continuously change the frost to outdoor heat exchanger, realize utilizing compressor used heat to change the purpose of frost, improved unit performance and reliability, shortened the compressor time of changing the frost under the normal operating mode, reduced the frequency of changing the frost, promote user's use and experience.
Optionally, the defrosting assembly is disposed on a side of the outdoor heat exchanger away from the fan of the outdoor unit.
From this, inject the position relation of defrosting subassembly and fan, avoided the steam of defrosting subassembly to be taken out from the air outlet by the fan, the one side of keeping away from the fan of defrosting process is gone on simultaneously, can prevent that the wind that the fan blew off from having a large amount of moisture.
Optionally, the defrosting assembly comprises a defrosting pipe network.
Therefore, the structure is simple and the processing is easy.
Optionally, the mesh surface of the defrosting pipe network and the end surface of the outdoor heat exchanger, which is far away from the fan, are arranged in parallel and at intervals.
Therefore, on one hand, heat can be transferred to the outdoor heat exchanger, and on the other hand, the fins of the outdoor heat exchanger are prevented from being damaged due to too high heat.
Optionally, the area of the mesh surface of the defrosting pipe network is smaller than or equal to the same area of the end surface of the outdoor heat exchanger away from the fan.
Therefore, the defrosting assembly can better transfer heat to the outdoor heat exchanger, and the defrosting effect is good.
Optionally, the spacing is in the range of 8-12 mm.
Therefore, in the interval range, the defrosting effect is ensured, and the fins of the outdoor heat exchanger are prevented from being damaged due to too high heat.
Optionally, the air conditioner defrosting control device further comprises a first control valve arranged on the air delivery pipe and used for controlling the on-off of the defrosting loop.
Therefore, the defrosting loop is controlled to be communicated when the air conditioner heats through the first control valve, the defrosting loop is controlled to be disconnected when the air conditioner refrigerates, and the defrosting loop is accurately controlled and high in reliability.
Optionally, the air conditioner defrosting control device further comprises a second control valve arranged on the air delivery pipe and used for controlling the ventilation volume of the defrosting assembly.
Therefore, the ventilation volume of the defrosting loop is controlled through the second control valve when the air conditioner heats, so that the defrosting effect is good, and the controllability is strong.
Optionally, the defrosting assembly comprises a plurality of defrosting pipe networks which are arranged in parallel, and each defrosting pipe network is connected with one second control valve.
Therefore, the ventilation volume in each defrosting pipe network is controlled through the second control valve respectively, and the defrosting is enabled to be distributed reasonably, so that the defrosting effect is good, and the controllability is strong.
Optionally, the air conditioner defrosting control device further comprises a temperature sensor arranged on the air delivery pipe.
From this, through the temperature difference around temperature sensor monitoring refrigerant steam flow passes through the defrosting pipe network to according to the valve aperture of difference in temperature control second control valve, the rational distribution air flow, it is effectual to defrost.
Optionally, the air conditioner defrosting control device further comprises a gas-liquid separation assembly arranged on the gas pipe, a gas outlet end of the gas-liquid separation assembly is communicated with the defrosting assembly, and a liquid outlet end of the gas-liquid separation assembly is communicated with the compressor.
Therefore, refrigerant steam with high temperature enters the defrosting loop to be continuously defrosted, unvaporized liquid refrigerant flows to the compressor again, waste heat of the compressor can be effectively recycled, and the energy-saving effect is good.
Optionally, the air conditioner defrosting control device further comprises an air pump, one end of the air pump is connected with the gas-liquid separation assembly, and the other end of the air pump is connected with the compressor.
Therefore, the refrigerant in the heat storage shell of the compressor is driven in the air-conditioning heating mode, and defrosting of the outdoor heat exchanger is effectively achieved.
In order to solve the technical problem, the utility model also provides an air conditioner, including foretell air conditioner defrosting controlling means.
Air conditioner with air conditioner defrosting controlling means the same for prior art's advantage, no longer describe herein.
Drawings
Fig. 1 is a schematic view of a system structure of an air conditioner defrosting control device according to an embodiment of the present invention;
fig. 2 is a schematic view of a system structure of an air conditioner defrosting control device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an air conditioner defrosting control device according to an embodiment of the present invention.
Description of reference numerals:
1-compressor, 2-indoor heat exchanger, 3-restrictor, 4-outdoor heat exchanger, 5-heat storage shell, 51-heat storage material, 52-capillary pipeline, 6-defrosting component, 7-first control valve, 8-second control valve, 81-first pipe network control valve, 82-second pipe network control valve, 9-first temperature sensor, 10-second temperature sensor, 11-third temperature sensor, 12-air pump, 13-gas-liquid separator, 14-liquid storage tank, 15-protective net and 16-fan.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be understood that the forward direction of "X" in the drawings represents the right direction, the reverse direction of "X" represents the left direction, the forward direction of "Y" and the reverse direction of "Y" represents the rear direction, and the directions or positional relationships indicated by the terms "X" and "Y" are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. The description of the term "some specific embodiments" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Throughout this specification, the schematic representations of the terms used above do not necessarily refer to the same implementation or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-3, an embodiment of the present invention provides an air conditioner defrosting control device, which is used for defrosting an air conditioner, wherein the air conditioner includes a compressor 1, an indoor heat exchanger 2, a restrictor 3 and an outdoor heat exchanger 4, which are connected in sequence, and the compressor 1, the indoor heat exchanger 2, the restrictor 3 and the outdoor heat exchanger 4 form a circulation loop; the air conditioner defrosting control device comprises a heat storage shell 5, a gas pipe and a defrosting assembly 6, wherein one end of the gas pipe is connected with the gas outlet end of the heat storage shell 5, the other end of the gas pipe is connected with the gas inlet end of the defrosting assembly 6, the heat storage shell 5, the gas pipe and the defrosting assembly 6 form a defrosting loop, the heat storage shell 5 is used for coating the compressor 1, and the defrosting assembly 6 is fixedly connected with the air conditioner shell and is close to the outdoor heat exchanger 4 and suitable for defrosting.
From this, through the used heat that absorbs compressor 1 at compressor 1 surface cladding heat accumulation shell 5 to carry to changing the frost pipe network through the gas-supply pipe and continuously change the frost to outdoor heat exchanger 4, realize utilizing compressor 1 used heat to change the purpose of frost, improved unit performance and reliability, shortened compressor 1 under the normal operating mode and changed the frost time, reduced and changed the frost frequency, promoted user's use and experienced.
In some preferred embodiments, the heat storage case 5 is made of the heat storage material 51, and the heat storage material 51 is not particularly limited in this embodiment, and may be any material that can adapt to the working environment of the air conditioner and can absorb the waste heat of the compressor 1. In the embodiment, the heat storage shell 5 is internally provided with the capillary line 52 communicated with the compressor 1, and is used for receiving the refrigerant passing through the compressor 1 and defrosting by absorbing the waste heat of the compressor 1 through the heat storage material 51, so that the defrosting efficiency is high.
As shown in fig. 3, preferably, the outdoor unit is provided with a fan 16, the fan 16 is arranged at the air outlet of the air conditioner, and the defrosting assembly 6 is arranged at the side of the outdoor heat exchanger 4 far away from the fan 16. Therefore, the position relation between the defrosting assembly 6 and the fan 16 is limited, hot air of the defrosting assembly 6 is prevented from being brought out from an air outlet by the fan 16, meanwhile, the defrosting process is carried out on one side far away from the fan 16, and a large amount of moisture in the air blown out by the fan 16 can be prevented.
In some preferred embodiments, the outdoor unit includes a protection net 15, the protection net 15 is connected to a casing at the back of the outdoor unit to protect the outdoor heat exchanger 4 inside the casing, and the defrosting module 6 is disposed between the protection net 15 and the outdoor heat exchanger 4, and can be connected to the casing at the back of the outdoor unit or connected to the protection net 15, so that the connection is convenient.
In this embodiment, the air outlet is provided at the front of the outdoor unit casing, and accordingly, the protection net 15 connected to the casing at the back of the outdoor unit is provided at the back of the outdoor unit. Preferably, the defrosting assembly 6 comprises a defrosting pipe network, and the net surface of the defrosting pipe network is parallel to and spaced from the end surface of the outdoor heat exchanger 4 far away from the fan 16. Therefore, on one hand, heat can be transferred to the outdoor heat exchanger 4, and on the other hand, the fins of the outdoor heat exchanger 4 are prevented from being damaged due to too high heat.
The defrosting pipe network in this embodiment includes a plurality of heat pipes, nevertheless does not do the restriction to the specific arrangement of a plurality of heat pipes in this embodiment, and in some specific embodiments, a plurality of heat pipes evenly arrange at the terminal surface that is close to inside wall face 15 of outdoor heat exchanger 4 for outdoor heat exchanger 4 is heated evenly, and the defrosting effect is better.
Preferably, the area of the net surface of the defrosting pipe network is smaller than or equal to the area of the end surface of the outdoor heat exchanger 4 far away from the fan 16, so that the end surface of the outdoor heat exchanger 4 far away from the fan 16 can receive heat transferred by the defrosting assembly 6, and the defrosting effect is good. In some specific embodiments, when the area of the mesh surface of the defrosting pipe network is smaller than the area of the end surface of the outdoor heat exchanger 4 far away from the fan 16, the defrosting pipe network is arranged at a position corresponding to a position where the outdoor heat exchanger 4 is prone to frost formation, and is generally arranged at the middle lower part of the outdoor heat exchanger 4; when the area of the net surface of the defrosting pipe network is equal to the area of the end surface of the outdoor heat exchanger 4 far away from the fan 16, the defrosting pipe network corresponds to the outdoor heat exchanger 4 in position, the net surface of the defrosting pipe network is suitable for covering the end surface of the outdoor heat exchanger 4 far away from the fan 16, and the defrosting effect is better.
Preferably, the spacing is in the range of 8-12 mm. Therefore, in the interval range, the defrosting effect is ensured, and the fins of the outdoor heat exchanger 4 are prevented from being damaged due to too high heat. In some specific embodiments, the interval range is 10mm, and the defrosting effect is good. In this embodiment, the direction of the gap is the direction Y in the drawing.
Preferably, the air conditioner defrosting control device is provided with a first control valve 7, and the first control valve 7 is arranged on the air conveying pipe and used for controlling the on-off of the defrosting loop. Therefore, the defrosting loop is controlled to be communicated when the air conditioner heats through the first control valve 7, and the defrosting loop is controlled to be disconnected when the air conditioner refrigerates, so that the control is accurate, and the reliability is high. Specifically, when the air conditioner is in an air-conditioning heating mode, the first control valve 7 is controlled to be communicated, the circulation loop and the defrosting loop are both communicated, the heat storage shell 5 absorbs waste heat of the compressor 1 and conveys the waste heat to the defrosting pipe network through the gas pipe to continuously defrost the outdoor heat exchanger 4, and when the air conditioner is in an air-conditioning cooling mode, the first control valve 7 is controlled to be disconnected, the circulation loop is communicated, but the defrosting loop is not communicated, and defrosting operation is not performed.
Preferably, the air conditioner defrosting control device is further provided with a second control valve 8, and the second control valve 8 is arranged on the air conveying pipe and used for controlling the ventilation volume entering the defrosting assembly 6. The ventilation volume of the defrosting loop is controlled through the second control valve 8 during air conditioning heating, so that the defrosting effect is good, and the controllability is strong.
Preferably, the defrosting assembly 6 comprises a plurality of defrosting pipe networks arranged in parallel, and each defrosting pipe network is connected with one second control valve 8. In some specific embodiments, the defrosting assembly 6 includes two parallel first and second pipe networks, and the first pipe network is connected to the first pipe network control valve 81 to form a first defrosting branch; the second pipe network is connected with second pipe network control valve 82, form second white branch road, and first pipe network control valve 81 establish ties in changing the frost return circuit, the second pipe network establishes ties in changing the frost return circuit with second pipe network control valve 82, from this, respectively through the air flow of first white branch road of first pipe network control valve 81 control, through the air flow of second white branch road of second pipe network control valve 82 control, rational distribution, make to change frost effectual, and the controllability is strong.
Preferably, the air conditioner defrosting control device is further provided with a temperature sensor, and the temperature sensor is arranged on the air conveying pipe. In this implementation, temperature sensor includes threely, first temperature sensor 9 establishes ties in the inlet end of first white branch road or second frost branch road, a temperature before being used for monitoring refrigerant steam flow through the defrosting pipe network, second temperature sensor 10 and third temperature sensor 11 establish ties respectively in the end of giving vent to anger of first white branch road and second frost branch road, a temperature after being used for monitoring refrigerant steam flow through first pipe network and second pipe network respectively, and through the difference in temperature around refrigerant steam flow through the defrosting pipe network, control second control valve 8's valve aperture, the rational distribution air flow, it is effectual to change the frost.
Preferably, the air conditioner defrosting control device is further provided with a gas-liquid separation assembly, the gas-liquid separation assembly is arranged on the gas conveying pipe, the gas outlet end of the gas-liquid separation assembly is communicated with the defrosting assembly 6, and the liquid outlet end of the gas-liquid separation assembly is communicated with the compressor 1. In some specific embodiments, the gas-liquid separation assembly includes a gas-liquid separator 13 and a liquid storage tank which are connected with each other, the other end of the gas-liquid separator 13 is communicated with the defrosting assembly 6, the other end of the liquid storage tank 14 is communicated with the compressor 1, so that refrigerant steam with high temperature separated from the gas-liquid separator 13 enters the defrosting loop for continuous defrosting, unvaporized liquid refrigerant flows to the liquid storage tank 14 again and enters the compressor 1, so that waste heat of the compressor 1 can be effectively recovered and utilized, and the energy saving effect is good. In order to further enhance the defrosting effect, the air outlet end of the compressor 1 in this embodiment may also be directly communicated with the air inlet end of the defrosting assembly 6, so as to defrost and improve the defrosting efficiency.
Preferably, the air conditioner defrosting control device is further provided with an air pump 12, the air pump 12 is arranged between the gas-liquid separation assembly and the compressor 1, specifically, one end of the air pump 12 is connected with the liquid outlet end of the gas-liquid separation assembly, and the other end of the air pump 12 is connected with the compressor 1. By the controller according to the temperature T of the outer diskOuter plateThe output power P is controlled, so that the flow regulation of the refrigerant in the defrosting loop is realized, namely the output power P of the air pump 12 is increased, the flow Q of the refrigerant in the defrosting loop is increased, the output power P of the micro pump is reduced, the flow Q of the refrigerant in the defrosting loop is reduced, and the defrosting of the outdoor heat exchanger 4 is effectively realized.
The following is an exemplary description of the working principle of the defrosting control device of the air conditioner according to the embodiment of the present invention.
When the air conditioner refrigerates, the three automatic control valves are completely closed, the air pump 12 stops running, the three temperature sensors do not work, namely, the defrosting loop does not work, and the air conditioner performs normal refrigeration circulation.
When the air conditioner heats, the air conditioner performs normal heating circulation and detects the temperature T of an outer disc of the air conditionerOuter plateThe temperature of the refrigerant steam before flowing through the defrosting pipe network, the temperature of the refrigerant steam after flowing through the first pipe network and the temperature of the refrigerant steam after flowing through the second pipe network; according to the temperature T of the outer diskOuter plateControlling the opening and closing of the first control valve 7, simultaneously controlling the rough adjustment of the valve opening M2 of the first pipe network control valve 81 and the valve opening M3 of the second pipe network control valve 82, and according to the temperature of the refrigerant steam before flowing through the defrosting pipe network, the refrigerant steam flows through the first control valveThe temperature after the pipe network and the temperature of the refrigerant steam flowing through the second pipe network are calculated, and the temperature difference delta T before and after the refrigerant flows through the defrosting pipe network is calculated12、ΔT13The valve opening M2 of the first pipe network control valve 81 and the valve opening M3 of the second pipe network control valve 82 are finely adjusted. Wherein Δ T12The temperature difference, delta T, before and after refrigerant steam flows through the first pipe network13The temperature difference between the refrigerant steam flowing through the second pipe network.
In some specific embodiments of the present invention,
when T isOuter plate＞T0When the defrosting operation is finished, the first control valve 7 is disconnected, the defrosting loop is not communicated, and defrosting is not carried out;
when T1 is less than or equal to TOuter plate≤T0When the defrosting loop is communicated, namely the air pump 12, the first control valve 7, the first pipe network control valve 81, the second pipe network control valve 82 and the three temperature sensors are all opened. Wherein, the air pump 12 is operated with power P, the first control valve 7 is fully opened, the valve opening of the first pipe network control valve 81 and the valve opening of the second pipe network control valve 82 are coarsely adjusted to M2 and M3 according to the output power P respectively, and then at delta t0According to the temperature difference delta T before and after the refrigerant flows through the defrosting pipe network in the time interval12、ΔT13Continuously fine-adjusting the valve opening to M2 'and M3' at intervals of delta M2 and delta M3, wherein the time interval delta t04-6min, in some preferred embodiments, the time interval is 5min, and in this time interval, the defrosting effect in this time interval can be better reflected, and then the valve opening of the first pipe network control valve 81 and the valve opening of the second pipe network control valve 82 are adjusted, so as to realize accurate control:
in particular, the amount of the solvent to be used,
if Δ T12＞ΔT1And Δ T13＞ΔT3That is, the two groups of defrosting pipe networks are all too cold, the operation power of the air pump 12 cannot meet the continuous defrosting operation under the current working condition, and in the next time interval, the operation power of the air pump 12 is adjusted to be P ═ α · P, (α > 1) (note that P is not more than PMAX) The valve opening of the first pipe network control valve 81 and the second pipe network control valve 82 are respectively adjusted to M2 and M3 roughly and then adjusted according to the temperature difference delta T12、ΔT13Continuously adjusting to the interval between delta M2 and delta M3M2’、M3’；
If Δ T12＜ΔT2And Δ T13＜ΔT4That is, the two groups of defrosting pipe networks are overheated, the current operation power exceeds the operation power required by the continuous defrosting operation, in consideration of the energy saving effect, the power of the air pump 12 is adjusted to P ═ β · P, (0 ≦ β ≦ 1) (note that P is ≦ PMIN), the valve opening degrees of the first pipe network control valve 81 and the second pipe network control valve 82 are respectively adjusted to M2 and M3 roughly, and then the temperature difference Δ T is determined according to the difference between the two values12、ΔT13Continuously adjusting to M2 'and M3' at intervals of delta M2 and delta M3;
if Δ T2≤ΔT12≤ΔT1And Δ T4≤ΔT13≤ΔT3Namely, the refrigerant flow in the two groups of defrosting pipe networks just meets the defrosting requirement, and the power P and the valve opening degrees M2 'and M3' are kept unchanged in the next time interval;
if Δ T12＞ΔT1And Δ T4≤ΔT13≤ΔT3Or Δ T2≤ΔT12≤ΔT1And Δ T13＞ΔT3That is, one of the two defrosting pipe networks satisfies the defrosting requirement, and the other one is still in the super-cooled state, then in the next time interval, the air pump 12 adjusts the operation power to P ═ η · P, (η > 1) (note that P ≦ PMAX) The valve opening of the first pipe network control valve 81 and the second pipe network control valve 82 are respectively adjusted to M2 and M3 roughly and then adjusted according to the temperature difference delta T12、ΔT13Continuously adjusting to M2 'and M3' at intervals of delta M2 and delta M3;
if Δ T12＞ΔT1And Δ T13＜ΔT4Or Δ T12＜ΔT2And Δ T13＞ΔT3That is, one of the two defrosting pipe networks is overheated, and the other is overcooled, then in the next time interval, the operating power of the air pump 12 is unchanged, the valve opening of the overheated pipe network is increased at corresponding intervals, and the valve opening of the overcooled pipe network is decreased at corresponding intervals;
if Δ T2≤ΔT12≤ΔT1And Δ T13＜ΔT4Or Δ T12＜ΔT2And Δ T4≤ΔT13≤ΔT3That is, one of the two defrosting pipe networks satisfies the defrosting requirement, and the other one is in an overheat state, then the air pump 12 adjusts the operation power to be P ═ λ · P, (0 ≦ 1) (note that P ≧ PMIN) The valve opening of the first pipe network control valve 81 and the second pipe network control valve 82 are respectively adjusted to M2 and M3 roughly and then adjusted according to the temperature difference delta T12、ΔT13Continuously adjusting to M2 'and M3' at intervals of delta M2 and delta M3;
when the temperature of the outer disk TOuter plate＜T1The circulation loop starts the reverse circulation defrosting procedure, and the air pump 12 uses the maximum power PMAXIn operation, the valve opening degree of the first pipe network control valve 81 and the second pipe network control valve 82 is firstly adjusted to M2 and M3 in a rough way and then adjusted according to the temperature difference delta T12、ΔT13Continuously adjusting to M2 'and M3' at intervals of delta M2 and delta M3 until the temperature T of the outer diskOuter plate＞T0Then the reverse circulation defrosting procedure is exited;
and repeating the steps.
In this example, T0The temperature range of (A) includes-5 to-13 ℃, T1Temperature range of T0- (5-8 ℃), in some preferred embodiments, T0At-8 ℃ and T1Is-14 ℃ and Δ T1At 8 ℃ and. delta.T3At 9 ℃ and. delta.T2At 3 ℃ and. delta.T4The temperature is 4 ℃, the valve opening degrees of the first pipe network control valve 81 and the second pipe network control valve 82 are adjusted in the temperature range, and the defrosting effect is good.
In this embodiment, the maximum opening ranges of the valves of the first pipe network control valve 81 and the second pipe network control valve 82 are 440-480, the ranges of the fine adjustment intervals Δ M2 and Δ M3 are 4-5, in some preferred embodiments, the maximum opening ranges of the valves of the first pipe network control valve 81 and the second pipe network control valve 82 are 480, and the fine adjustment intervals Δ M2 and Δ M3 are 5, so that the control is accurate.
In the present embodiment, the power adjustment parameters α, β, η, λ, etc. all vary according to the type of the air conditioner, but all are flushed into the controller before the air conditioner leaves the factory, and will not be described in detail here.
In the above process, the time interval Δ t0、Δt1Output power P, PMAX、PMINValve opening M2, M3 and fine adjustment intervals delta M2, delta M3 corresponding to power P, and outer ring temperature threshold T0、T1Temperature difference delta T before and after defrosting of refrigerant1,ΔT2,ΔT3,ΔT4And the power adjusting parameters alpha, beta, eta, lambda and the like are determined by tests, and the air conditioner is brushed into the controller before leaving the factory.
Therefore, this embodiment absorbs the used heat of compressor 1 through at 1 surperficial cladding heat accumulation shell 5 of compressor to carry to changing the frost pipe network through the gas-supply pipe and continuously change the frost to outdoor heat exchanger 4, realize utilizing 1 used heat of compressor to change the purpose of frost, improved unit performance and reliability, shortened 1 time of defrosting of compressor under the normal operating mode, reduced the frequency of changing the frost, promote user's use and experience.
In order to solve the above technical problem, an embodiment of the present invention further provides an air conditioner, including the defrosting control device of the air conditioner.
The utility model discloses the air conditioner with air conditioner defrosting controlling means be the same for prior art's advantage, no longer give consideration to here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (13)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020817999.XU CN212320013U (en) | 2020-05-15 | 2020-05-15 | A kind of air conditioner defrosting control device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020817999.XU CN212320013U (en) | 2020-05-15 | 2020-05-15 | A kind of air conditioner defrosting control device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320013U true CN212320013U (en) | 2021-01-08 |
Family
ID=74024791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020817999.XU Active CN212320013U (en) | 2020-05-15 | 2020-05-15 | A kind of air conditioner defrosting control device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320013U (en) |
-
2020
- 2020-05-15 CN CN202020817999.XU patent/CN212320013U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109458683B (en) | Dry type radiation heat pump and unit type household air conditioner all-in-one machine and control method thereof | |
| CN106524389A (en) | Air conditioner defrosting method and air conditioner thereof | |
| CN111692640B (en) | Air conditioner indoor unit, air conditioner and defrosting control mode of air conditioner indoor unit | |
| CN107655170A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| CN111251801B (en) | Thermal management system of vehicle and vehicle | |
| CN107655171A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| WO2021068358A1 (en) | Multi-line defrosting control method | |
| CN107763874A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| WO2017129109A1 (en) | Parallel flow heat exchanger and air conditioner | |
| CN107388499A (en) | A kind of domestic air conditioning defrosting control method | |
| CN205373156U (en) | A parallel flow heat exchanger and air conditioner | |
| JP2002372320A (en) | Refrigeration equipment | |
| CN109595720A (en) | A kind of multi-connected machine capillary radiation system | |
| CN109210654A (en) | A kind of heat pump and air-conditioning system of synchronous defrosting and refrigeration | |
| CN106705515A (en) | Air conditioner system and air conditioner | |
| CN115875800A (en) | Heat storage defrosting system, air conditioner and control method | |
| CN208566889U (en) | Air Conditioning System | |
| CN101603701A (en) | A kind of air-conditioner and auxiliary heating method thereof with auxiliary heating combined equipment | |
| CN212320013U (en) | A kind of air conditioner defrosting control device and air conditioner | |
| CN201488141U (en) | Heat pump type energy-saving integrated air conditioner | |
| CN208983526U (en) | A heat pump and air conditioning system with simultaneous defrosting and cooling | |
| CN106403345A (en) | Heat pump system and control method thereof | |
| CN114061140B (en) | Heat exchange device, control method thereof and refrigeration equipment | |
| CN209386461U (en) | A kind of multi-connected machine capillary radiation system | |
| CN211120159U (en) | Air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Country or region after: China Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China Patentee before: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. |