CN107917536A - One kind fires hot equipment thermic load adaptive approach and device - Google Patents

One kind fires hot equipment thermic load adaptive approach and device Download PDF

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Publication number
CN107917536A
CN107917536A CN201610997144.8A CN201610997144A CN107917536A CN 107917536 A CN107917536 A CN 107917536A CN 201610997144 A CN201610997144 A CN 201610997144A CN 107917536 A CN107917536 A CN 107917536A
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gas
secondary pressure
heat exchanger
combustion
control chip
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CN201610997144.8A
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Chinese (zh)
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吴芳福
柏贵玉
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

The invention discloses one kind to fire hot equipment thermic load adaptive approach, includes the following steps:S101, combustion gas enter from combustion gas road, are exported after proportion adjustment valve regulation pressure, and the output terminal of ratio adjusting valve is equipped with secondary pressure detection device, and the air pressure after proportion adjustment valve regulation is detected by the secondary pressure detection device;The data detected are transmitted to control chip by S102, secondary pressure detection device;The highest atmospheric pressure value and barometric minimum value of the machine optimal combustion state are previously stored with the control chip, a serial number scope is formed between two values;S103, if secondary pressure numerical value is fallen into the number range, operates without adjusting;If for secondary pressure numerical value without falling into the number range, control chip controls to adjust the openings of sizes of ratio adjusting valve, by once or for several times adjusting, the secondary pressure numerical value after adjusting is fallen into the number range.The present invention can quickly and easily regulating gas secondary pressure automatically, so that it is guaranteed that flameholding is smoothed out.

Description

One kind fires hot equipment thermic load adaptive approach and device
Technical field
The present invention relates to burning gases class product, method and technology field, more particularly to a kind of hot equipment thermic load of combustion are adaptive Induction method and device.
Background technology
Existing so hot product (water heater, wall-hung boiler etc.) is typically manufacturer first with the configuration setting one according to product in itself Duan Erci presses (passing through the air pressure of regulating valve) high low amplitude, for example 200p~1000p, this segment data are by detecting body performance The optimal air pressure drawn utilizes data, and combustion gas deficiency is will result in when it is less than 200p and is stopped working, when air pressure is excessive, will be led Cause the insufficient waste combustion gas of burning, carbon monoxide discharge capacity excessive, it is also possible to occur that gas quantity is crossed high oxygen deficiency and then put out The situation of fire.
Due to being fuel gas product, and the air pressure for the pipe gas used in actual life and unstable, it is such as two same big Small air intake, the high air inlet of air pressure is certainly bigger with the air inflow of time than low pressure air inlet, so when installation also Personnel first to test the air pressure height in user location after sale and to adjust the size of regulating valve opening reach corresponding air inflow, really Protect secondary press (by the air pressure of regulating valve) within setting range.Cause gas pressure to change many because being known as, such as rain, The sun, the height of temperature, number of users are more etc., so can not test a stable air pressure section, unavoidable waste at all Situations such as combustion gas and actual output temperature and larger design temperature deviation, occurs, which solves.
The content of the invention
There is provided that a kind of to fire hot equipment thermic load adaptive it is an object of the invention to overcome the deficiency of the above-mentioned prior art Method and apparatus.
To achieve the above object, the present invention provides a kind of hot equipment thermic load adaptive approach of combustion, includes the following steps:
S101, combustion gas enter from combustion gas road, are exported after proportion adjustment valve regulation pressure, the output terminal of ratio adjusting valve Equipped with secondary pressure detection device, the air pressure after proportion adjustment valve regulation is detected by the secondary pressure detection device;
The data detected are transmitted to control chip by S102, secondary pressure detection device;Deposited in advance in the control chip The highest atmospheric pressure value and barometric minimum value of the machine optimal combustion state are contained, a serial number scope is formed between two values;
S103, if secondary pressure numerical value is fallen into the number range, operates without adjusting;If it is secondary pressure numerical value without falling into In the number range, then control chip controls to adjust the openings of sizes of ratio adjusting valve, by once or for several times adjusting, makes adjusting Secondary pressure numerical value afterwards is fallen into the number range.
The present invention also provides one kind to fire hot equipment thermic load self-reacting device, including:
Gas proportion regulating valve, the gas proportion regulating valve are connected with combustion gas road, and the combustion gas road is to gas proportion tune Save valve delivery of fuel gas;
The gas proportion regulating valve is connected by gas connection pipe with gas combustion chamber, and the gas connection pipe is equipped with Secondary pressure detection device, the secondary pressure detection device are connected with control chip, and the control chip is also adjusted with gas proportion Valve is connected;
The gas combustion chamber is connected with heat exchanger, and the heat exchanger is connected with exhaust fume collecting hood, wherein, the heat exchange Device includes heat exchange main body, water inlet pipe and outlet pipe.
Preferably, the gas combustion chamber is also connected with DC speed control fan, and the DC speed control fan is to fuel gas buring Room conveys wind-force.
Preferably, the water inlet pipe is equipped with water flow sensing unit.
Preferably, the exhaust fume collecting hood is connected with smoke exhaust fan, and smoke exhaust fan outwards discharges exhaust gas.
Preferably, the output terminal of the exhaust fume collecting hood is equipped with flue-gas temperature sensor.
The present invention also provides one kind to fire hot equipment thermic load self-reacting device, including:
Gas proportion regulating valve, the gas proportion regulating valve are connected with combustion gas road, and the gas proportion regulating valve passes through Gas connection pipe is connected with gas combustion chamber, and the gas connection pipe is equipped with secondary pressure detection device, the secondary pressure detection Device is connected with control chip, and the control chip is also connected with gas proportion adjustment valve, and the gas combustion chamber is with heat exchange System is connected;Flue gas discharges after heat-exchange system, and floss hole goes out to be additionally provided with flue-gas temperature sensor;
Wherein, heat-exchange system includes condensing heat exchanger and main heat exchanger, and the condensing heat exchanger is connected with water inlet pipe, into The water of water pipe input enters in main heat exchanger after condensing heat exchanger Internal Transfer, then passes through outlet pipe discharge;Fuel gas buring The flue gas of room discharge first passes around main heat exchanger heat exchange, and exchanges heat again with condensing heat exchanger after DC speed control fan acts on, The condensed water that condensing heat exchanger is formed is discharged by averager.
The beneficial effects of the invention are as follows:The present invention is by adjusting valve air gate one pressure sensor device of installation, the dress The height of gas secondary pressure can be detected by putting, and the air pressure detected is fed back to control chip by sensor, chip according to The height for obtaining air pressure adjusts, and when air pressure is excessive, chip issues instructions to regulating valve and regulating valve opening is reduced, on the contrary With regard to expanding.In this way, can the fast automatic troublesome operation for adjusting secondary pressure, adjusting secondary pressure when avoiding installation again, in addition, When facing the pressure oscillation of combustion gas road the problems such as, the present invention can also be adapted to fast and effectively automatically, so that secondary pressure is all the time Stablize within zone of reasonableness, carried out so that burning is steady.Waste combustion gas is avoided as far as possible, and carbon monoxide emission is excessive, puts out Fire, warranty failure, situations such as debugging of visiting after sale.The present invention can quickly and easily regulating gas secondary pressure automatically so that Ensure that flameholding is smoothed out.
Brief description of the drawings
Fig. 1 is the block diagram of adaptive approach of the present invention;
Fig. 2 is the structure diagram of one embodiment of self-reacting device of the present invention;
Fig. 3 is the structure diagram of self-reacting device second embodiment of the present invention;
Fig. 4 is the structure diagram of self-reacting device 3rd embodiment of the present invention;
Reference numeral:
Ratio adjusting valve 10;Control chip 11;Gas connection pipe 12;Secondary pressure detection device 121;Gas combustion chamber 20; Heat exchanger 30;Water inlet pipe 301;Outlet pipe 302;Exhaust fume collecting hood 40;Flue-gas temperature sensor 41;Smoke exhaust fan 50;DC speed regulation Wind turbine 51;Main heat exchanger 71;Condensing heat exchanger 72;Averager 721.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Embodiment one:A kind of combustion apparatus thermic load adaptive approach
Referring to Fig. 1, the present invention provides a kind of hot equipment thermic load adaptive approach of combustion, include the following steps:S101, combustion Gas enters from combustion gas road, is exported after ratio adjusting valve 10 adjusts pressure, the output terminal of ratio adjusting valve 10 is equipped with secondary pressure Detection device 121, the air pressure after the adjusting of ratio adjusting valve 10 is detected by the secondary pressure detection device 121;S102, it is secondary The data detected are transmitted to control chip 11 by pressure detection device 121;The machine is previously stored with the control chip 11 most The highest atmospheric pressure value and barometric minimum value of good combustion state, two value between formed a serial number scope;S103, if secondary pressure Numerical value is fallen into the number range, then is operated without adjusting;If secondary pressure numerical value controls core without falling into the number range Piece 11 controls to adjust the openings of sizes of ratio adjusting valve 10, by once or for several times adjusting, falls the secondary pressure numerical value after adjusting Enter in the number range.
Embodiment two:Upper air-draft-type gas heater structure
Such as Fig. 2, it includes:Gas proportion regulating valve 10, the gas proportion regulating valve 10 are connected with combustion gas road, the combustion Air flue is to 10 delivery of fuel gas of gas proportion regulating valve;The gas proportion regulating valve 10 passes through gas connection pipe 12 and fuel gas buring Room 20 is connected, and the gas connection pipe 12 is equipped with secondary pressure detection device 121, the secondary pressure detection device 121 and control Chip 11 is connected, and the control chip 11 is also connected with gas proportion regulating valve 10;The gas combustion chamber 20 and heat exchanger 30 are connected, and the heat exchanger 30 is connected with exhaust fume collecting hood 40, wherein, the heat exchanger 30 includes heat exchange main body, water inlet pipe 301 and outlet pipe 302.Water inlet pipe 301 is equipped with water flow sensing unit, such as flowmeter.
Embodiment three:Lower blowing type gas water heater structure
Fig. 3 is refer to, difference lies in embodiment three employs lower air blast to embodiment three, using direct current with embodiment two The delivery air into gas combustion chamber 20 of adjustable speed fan 51.And embodiment two at exhaust fume collecting hood 40 using using smoke exhaust fan 50 carry out discharge exhaust gas.
Example IV:Upper odd test burnt gas wall hanging furnace product
It includes:Gas proportion regulating valve 10, the gas proportion regulating valve 10 are connected with combustion gas road, the gas proportion Regulating valve 10 is connected by gas connection pipe 12 with gas combustion chamber 20, and the gas connection pipe 12 is equipped with secondary pressure detection dress Put 121, the secondary pressure detection device 121 is connected with control chip 11, the control chip 11 also with gas proportion adjustment valve It is connected, the gas combustion chamber 20 is connected with heat-exchange system;Flue gas discharges after heat-exchange system, and floss hole goes out to be additionally provided with flue gas Temperature sensor 41;Wherein, heat-exchange system includes condensing heat exchanger 72 and main heat exchanger 71, the condensing heat exchanger 72 with into Water pipe 301 is connected, and the water that water inlet pipe 301 inputs enters in main heat exchanger 71 after 72 Internal Transfer of condensing heat exchanger, is passed through after Outlet pipe 302 is crossed to discharge;The flue gas that gas combustion chamber 20 discharges first passes around main heat exchanger 71 and exchanges heat, and passes through DC speed regulation wind Machine 51 exchanges heat with condensing heat exchanger 72 again after acting on, and the condensed water that condensing heat exchanger 72 is formed is discharged by averager 721.Implement In example four, DC speed control fan 51 is arranged between two heat exchangers, plays the role of strengthening air-flow mobility.The present embodiment can Further to utilize waste heat, so as to improve heat utilization rate.The water inlet pipe of the present invention can also set flowmeter.The present invention's Water inlet pipe can also set intake pump.The control chip can be microcontroller.The ratio adjusting valve is controlled chip Control, control chip are used for the output quantity for controlling ratio adjusting valve.
Present invention may apply to the Combustion System of natural gas, coal gas, liquefied gas etc..
In conclusion the present invention is by installing a pressure sensor device adjusting valve air gate, which can be with Detect the height of gas secondary pressure, the air pressure detected is fed back to control chip 11 by sensor, and chip is according to obtaining air pressure Height adjust, when air pressure is excessive chip issue instructions to regulating valve regulating valve opening reduce, otherwise just expand. In this way, fast automatic secondary pressure can be adjusted, the troublesome operation of secondary pressure is adjusted when avoiding installation again, in addition, facing During the problems such as combustion gas road pressure oscillation, the present invention can also be adapted to fast and effectively automatically, so that secondary pressure all-the-time stable exists Within zone of reasonableness, carried out so that burning is steady.Waste combustion gas is avoided as far as possible, and carbon monoxide emission is excessive, flame-out, failure Guarantee, situations such as debugging of visiting after sale.Stability of the present invention is good, of good reliability, easy for operation, novel in design, practicality By force, application easy to spread.Good energy-conserving effect of the present invention, burning is abundant, makes full use of combustion gas, energy conservation and environmental protection, and produces an oxygen Change carbon amounts is low, small to health infringement, more intelligent health, eliminates security risk.Automatic adaptation zone of the invention Combustion gas air pressure fluctuation change etc., it is more intelligent.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art are not departing from the principle of the present invention and objective In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.

Claims (7)

1. one kind fires hot equipment thermic load adaptive approach, it is characterised in that includes the following steps:
S101, combustion gas enter from combustion gas road, are exported after proportion adjustment valve regulation pressure, the output terminal of ratio adjusting valve is equipped with Secondary pressure detection device, the air pressure after proportion adjustment valve regulation is detected by the secondary pressure detection device;
The data detected are transmitted to control chip by S102, secondary pressure detection device;It is previously stored with the control chip The highest atmospheric pressure value and barometric minimum value of the machine optimal combustion state, two value between formed a serial number scope;
S103, if secondary pressure numerical value is fallen into the number range, operates without adjusting;If secondary pressure numerical value is without falling into the number In the range of value, then control chip controls to adjust the openings of sizes of ratio adjusting valve, by once or for several times adjusting, after making adjusting Secondary pressure numerical value is fallen into the number range.
2. one kind fires hot equipment thermic load self-reacting device, it is characterised in that including:
Gas proportion regulating valve, the gas proportion regulating valve are connected with combustion gas road, and the combustion gas road is to gas proportion regulating valve Delivery of fuel gas;
The gas proportion regulating valve is connected by gas connection pipe with gas combustion chamber, and the gas connection pipe is equipped with secondary Press detection device, it is described it is secondary pressure detection device be connected with control chip, the control chip also with gas proportion regulating valve phase Even;
The gas combustion chamber is connected with heat exchanger, and the heat exchanger is connected with exhaust fume collecting hood, wherein, the heat exchanger bag Heat exchange main body, water inlet pipe and outlet pipe are included.
3. the hot equipment thermic load self-reacting device of combustion according to claim 2, it is characterised in that the gas combustion chamber is also It is connected with DC speed control fan, the DC speed control fan conveys wind-force to gas combustion chamber.
4. the hot equipment thermic load self-reacting device of combustion according to claim 2, it is characterised in that the water inlet pipe is equipped with Water flow sensing unit.
5. the hot equipment thermic load self-reacting device of combustion according to claim 2, it is characterised in that the exhaust fume collecting hood and smoke evacuation Wind turbine is connected, and smoke exhaust fan outwards discharges exhaust gas.
6. the hot equipment thermic load self-reacting device of combustion according to claim 5, it is characterised in that the output of the exhaust fume collecting hood End is equipped with flue-gas temperature sensor.
7. one kind fires hot equipment thermic load self-reacting device, it is characterised in that including:
Gas proportion regulating valve, the gas proportion regulating valve are connected with combustion gas road, and the gas proportion regulating valve passes through combustion gas Connecting tube is connected with gas combustion chamber, and the gas connection pipe is equipped with secondary pressure detection device, the secondary pressure detection device It is connected with control chip, the control chip is also connected with gas proportion adjustment valve, the gas combustion chamber and heat-exchange system phase Even;Flue gas discharges after heat-exchange system, and floss hole goes out to be additionally provided with flue-gas temperature sensor;
Wherein, heat-exchange system includes condensing heat exchanger and main heat exchanger, and the condensing heat exchanger is connected with water inlet pipe, water inlet pipe The water of input enters in main heat exchanger after condensing heat exchanger Internal Transfer, then passes through outlet pipe discharge;Gas combustion chamber arranges The flue gas put first passes around main heat exchanger heat exchange, and exchanges heat again with condensing heat exchanger after DC speed control fan acts on, condensation The condensed water that heat exchanger is formed is discharged by averager.
CN201610997144.8A 2016-11-11 2016-11-11 One kind fires hot equipment thermic load adaptive approach and device Pending CN107917536A (en)

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CN201610997144.8A CN107917536A (en) 2016-11-11 2016-11-11 One kind fires hot equipment thermic load adaptive approach and device

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Application Number Priority Date Filing Date Title
CN201610997144.8A CN107917536A (en) 2016-11-11 2016-11-11 One kind fires hot equipment thermic load adaptive approach and device

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Publication Number Publication Date
CN107917536A true CN107917536A (en) 2018-04-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028593A (en) * 2018-06-01 2018-12-18 广东万和热能科技有限公司 Gas-heating water heater air/fuel ratio control method, device and gas-heating water heater
CN109099593A (en) * 2018-08-15 2018-12-28 中山市铧禧电子科技有限公司 A kind of wall-hung boiler of man-machine interconnection adjusts machine device automatically and adjusts machine method
WO2019242479A1 (en) * 2018-06-19 2019-12-26 广东美的暖通设备有限公司 Gas furnace control method and control system, and gas furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0783503A (en) * 1993-09-08 1995-03-28 Nippon Upro Kk Gas combustion apparatus
CN201104010Y (en) * 2007-08-29 2008-08-20 广东万和集团有限公司 Condensing gas wall hanging stove
CN104236108A (en) * 2013-06-21 2014-12-24 青岛经济技术开发区海尔热水器有限公司 Gas water heater gas secondary pressure detection and regulation device and method
CN105841353A (en) * 2016-03-30 2016-08-10 成都前锋电子有限责任公司 Gas water heater with wide adaption range and control method thereof
CN206361951U (en) * 2016-11-11 2017-07-28 吴芳福 A heat load self-adaptive device for heating equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0783503A (en) * 1993-09-08 1995-03-28 Nippon Upro Kk Gas combustion apparatus
CN201104010Y (en) * 2007-08-29 2008-08-20 广东万和集团有限公司 Condensing gas wall hanging stove
CN104236108A (en) * 2013-06-21 2014-12-24 青岛经济技术开发区海尔热水器有限公司 Gas water heater gas secondary pressure detection and regulation device and method
CN105841353A (en) * 2016-03-30 2016-08-10 成都前锋电子有限责任公司 Gas water heater with wide adaption range and control method thereof
CN206361951U (en) * 2016-11-11 2017-07-28 吴芳福 A heat load self-adaptive device for heating equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028593A (en) * 2018-06-01 2018-12-18 广东万和热能科技有限公司 Gas-heating water heater air/fuel ratio control method, device and gas-heating water heater
CN109028593B (en) * 2018-06-01 2020-09-25 广东万和热能科技有限公司 Air-fuel ratio control method and device for gas heating water heater and gas heating water heater
WO2019242479A1 (en) * 2018-06-19 2019-12-26 广东美的暖通设备有限公司 Gas furnace control method and control system, and gas furnace
CN109099593A (en) * 2018-08-15 2018-12-28 中山市铧禧电子科技有限公司 A kind of wall-hung boiler of man-machine interconnection adjusts machine device automatically and adjusts machine method

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