CN204853852U - Condensation fan regulation circuit - Google Patents
Condensation fan regulation circuit Download PDFInfo
- Publication number
- CN204853852U CN204853852U CN201520588007.XU CN201520588007U CN204853852U CN 204853852 U CN204853852 U CN 204853852U CN 201520588007 U CN201520588007 U CN 201520588007U CN 204853852 U CN204853852 U CN 204853852U
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- Prior art keywords
- relay
- output
- fan
- condensation fan
- blower fan
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- 230000005494 condensation Effects 0.000 title claims abstract description 66
- 238000009833 condensation Methods 0.000 title claims abstract description 66
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000004378 air conditioning Methods 0.000 abstract description 12
- 241000883990 Flabellum Species 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 6
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a condensation fan regulation circuit, including pressure switch, compressor relay, compressor, fan slow speed relay, fan high speed relay, condensation fan and low pressure starting resistance. Through fan high speed relay, fan slow speed relay are set up condensation fan regulation circuit and on fan slow speed relay series connection low pressure starting resistance, increased the mode of condensation fan, the momentum that effectively reduces condensation fan flabellum strikes, improves the working life of flabellum, reduce the heavy current to the impact of condensation fan winding, improved the working life of condensation fan, the reduction is because of the influence to other consumers of grid voltage's fluctuation ratio, improve the cooler air -conditioner performance of air conditioning system when the system pressure is less than the middling pressure, improve the system heat exchange performance of air conditioning system when the high pressure is protected, guarantee air conditioning system's refrigeration performance.
Description
Technical field
The utility model belongs to air conditioning condenser for vehicle circuit engineering field, refers to a kind of condensation fan regulating circuit especially.
Background technology
Condenser is in fact a kind of heat exchanger, and its effect is that the gaseous refrigerant of the HTHP of compressor discharge and outside air are carried out heat exchange, thus is condensed into the liquid refrigerant of HTHP.As can be seen here, the heat-sinking capability of condenser and ventilation effect directly can affect the condensation effect of condenser, and then directly affect the refrigeration of air-conditioning.Commercial car is owing to restricting by Engine Heat Balance and domestic road conditions, and air-conditioning condenser many employings side arrangement, does not adopt preposition and sole arrangement.
Condenser side arrangement utilizes condenser fan to improve draught capacity, helps condenser to improve heat exchange.Open air conditioner refrigerating, compressor operating opens condenser fan simultaneously; Close air conditioner refrigerating, compressor and condenser fan quit work simultaneously.Condensation fan only has 2 kinds of states, and one is duty, High Rotation Speed, and one is halted state, does not work.
The condenser assembly of existing technology as shown in Figure 1, includes condenser core 1, condensation fan 2, refrigerant pressure switch 3 and condensation fan regulating circuit.
Condensation fan regulating circuit control principle as shown in Figure 2, opens air conditioner refrigerating switch, compressor relay 4 adhesive, and compressor clutch adhesive works.
1, when system high pressure pressure is lower than middle pressure 1.52MPa, Medium voltage switch or circuit breaker 8 disconnects, and condensation fan 2 does not work;
2, when system high pressure pressure higher than middle pressure 1.52MPa lower than high pressure 3.14MPa time, condensation fan relay 7 adhesive, condensation fan 2 works, blower fan High Rotation Speed;
3, when system high pressure pressure is higher than during during high pressure 3.14MPa or lower than low pressure 0.196MPa, high and low voltage switch 5 disconnects, the not conducting of compressor relay 4 coil, and compressor relay 4 disconnects, and compressor 6, condensation fan 2 do not work.
Therefore, condensation fan only has two states, and one is duty, High Rotation Speed, and one is halted state, does not work.
The shortcoming of existing technology is:
1, condensation fan relay adhesive moment, condensation fan starting current can reach 4 ~ 7 times of rated current, and big current can cause serious impact to motor winding, even motor damage, reduces electrical machinery life.
2, this starting current can cause line voltage sharply to decline simultaneously, affects the normal operation of other equipment.
3, moment of torsion during full voltage starting is approximately more than 2 times of nominal torque, and large moment of torsion is carried in suddenly on static flabellum, accelerates flabellum fatigue and even to fracture flabellum.
4, middle pressure-controlled condensation fan, the following blower fan of middle pressure does not work, middle pressure turns at a high speed with fan, easily occur blower fan frequent starting phenomenon in use procedure, frequently will bear the impact of big current during condensation fan frequent start-stop, winding will bear the superposition of motor and thermal stress.Because winding insulation material is different from the copper conductor coefficient of expansion, very large shear stress is frequently formed between insulating materials and conductor when starting, fixing between conductor and insulating materials will be destroyed, insulate layering or tear so that there is insulation breakdown, condensation fan frequent start-stop directly affects its service life.
5, system pressure does not work lower than condensation fan during middle pressure, and when being unfavorable for vehicle idling or stopping, the heat dispersion of condenser, affects air-conditioning system refrigeration.
6, pressure switch is arranged in control loop, and when air-conditioning system is because of high pressure cut-off compressor, condensation fan power-off simultaneously, quits work, and is unfavorable for that condenser continues quick heat radiating, influential system pressure stability and air conditioner refrigerating performance.
Utility model content
The purpose of this utility model proposes improvement opportunity scheme to existing condensation fan regulating circuit, by the technical program, increases the mode of operation of condensation fan.
The utility model is achieved through the following technical solutions:
A kind of condensation fan regulating circuit, comprises pressure switch, compressor relay, compressor, blower fan slow-speed relay, blower fan fast-acting relay, condensation fan and low voltage starting resistance;
Described pressure switch includes high and low voltage switch and Medium voltage switch or circuit breaker; The input of described high and low voltage switch is connected with starting of air conditioner button;
The input of the control circuit of described compressor relay is connected with the output of described high and low voltage switch;
The input of the operating circuit of described compressor relay is connected with power supply, and the output of the operating circuit of described compressor relay is connected with the input of the control circuit of described compressor and described blower fan slow-speed relay respectively;
The input of described Medium voltage switch or circuit breaker is connected with power supply, and output is connected with the input of the control circuit of described blower fan fast-acting relay; Operating circuit in described blower fan fast-acting relay includes blower fan fast-acting relay input, the first output and second output;
Described power supply is connected with described blower fan fast-acting relay input;
Described first output is connected after described low voltage starting resistance of connecting with the input of the operating circuit of described blower fan slow-speed relay; The output of the operating circuit of described blower fan slow-speed relay is connected with described condensation fan;
Described second output is connected with described condensation fan.
Described blower fan fast-acting relay input, described first output and described second output form single-pole double throw contact switch; Wherein, the first output is normally-closed contact output; Described second output is normally opened contact output.
The beneficial effects of the utility model are:
The utility model, by arranging blower fan fast-acting relay, blower fan slow-speed relay and low voltage starting resistance of connecting on blower fan slow-speed relay to condensation fan regulating circuit, adds the mode of operation of condensation fan; The momentum of effective reduction condensation fan flabellum impacts, and improves the working life of flabellum; Reduce big current to the impact of condensation fan winding, improve the working life of condensation fan; Reduce because the stability bandwidth of line voltage is on the impact of other electrical equipments; Improve air-conditioning system at system pressure lower than air conditioner refrigerating performance during middle pressure; Improve the system heat exchange performance of air-conditioning system when high voltage protective, ensure the refrigeration performance of air-conditioning system.
Accompanying drawing explanation
Fig. 1 is existing technology condenser assembly structural representation;
Fig. 2 is existing technology condensation fan regulating circuit schematic diagram;
Fig. 3 is the utility model condenser assembly structural representation;
Fig. 4 is the utility model condensation fan regulating circuit schematic diagram.
Description of reference numerals
1 condenser core, 2 condensation fans, 3 refrigerant pressure switches, 4 compressor relays, 5 high and low voltage switches, 6 compressors, 7 condensation fan relays, 8 Medium voltage switch or circuit breakers, 11 condenser cores, 12 condensation fans, 13 refrigerant pressure switches, 14 low voltage starting resistance, 15 compressor relays, 16 compressors, 17 blower fan fast-acting relays, 18 pressure switches, 19 blower fan slow-speed relays.
Detailed description of the invention
Describe the technical solution of the utility model in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and the technical solution of the utility model being described, and can not be interpreted as being the restriction to technical solutions of the utility model.
As shown in Figure 3, a kind of condenser assembly, includes condenser core 11, condensation fan 12, compressor 16, refrigerant pressure switch 13 and condensation fan regulating circuit.In each embodiment of the application, be connected by pipeline between compressor 16 with condenser core 11, have cold-producing medium at tube runs.Condensation fan regulating circuit is electrically connected with pressure switch, compressor and condensation fan respectively.
The application provides a kind of condensation fan regulating circuit, as shown in Figure 4, comprises pressure switch 18, compressor relay 15, compressor 16, blower fan slow-speed relay 19, blower fan fast-acting relay 17, condensation fan 12 and low voltage starting resistance 14;
Described pressure switch 18 includes high and low voltage switch and Medium voltage switch or circuit breaker; The input of described high and low voltage switch is connected with starting of air conditioner button;
The input of the control circuit of described compressor relay 15 is connected with the output of described high and low voltage switch;
The input of the operating circuit of described compressor relay 15 is connected with power supply, and the output of the operating circuit of described compressor relay 15 is connected with the input of the control circuit of described compressor 16 and described blower fan slow-speed relay 19 respectively;
The input of described Medium voltage switch or circuit breaker is connected with power supply, and output is connected with the input of the control circuit of described blower fan fast-acting relay; Operating circuit in described blower fan fast-acting relay includes blower fan fast-acting relay input, the first output and second output;
Described power supply is connected with described blower fan fast-acting relay input;
Described first output is connected after described low voltage starting resistance of connecting with the input of the operating circuit of described blower fan slow-speed relay; The output of the operating circuit of described blower fan slow-speed relay is connected with described condensation fan;
Described second output is connected with described condensation fan.
Described blower fan fast-acting relay input, described first output and described second output form single-pole double throw contact switch; Wherein, the first output is normally-closed contact output; Described second output is normally opened contact output.
The working method of the application is:
The application carries the low voltage starting resistance in 20 Europe by condensation fan.Open starting of air conditioner button, the control circuit of compressor relay is connected, the operating circuit adhesive of compressor relay, compressor operating, meanwhile, connects the control circuit of blower fan slow-speed relay, the operating circuit adhesive of blower fan slow-speed relay, drives condensation fan low speed rotation.
When the system pressure in condenser assembly is higher than 1.52MPa, Medium voltage switch or circuit breaker is connected, and the control circuit of blower fan fast-acting relay is connected, and now, normally opened contact output is connected, condensation fan High Rotation Speed.
When the system pressure in condenser assembly is higher than 3.14MPa, high-voltage switch gear in high and low voltage switch disconnects, the control circuit of compressor relay disconnects, and the operating circuit of compressor relay disconnects, and compressor quits work, now, because system pressure is higher than 1.52MPa, Medium voltage switch or circuit breaker keeps on-state, and condensation fan continues to keep High Rotation Speed, be conducive to system radiating step-down, ensure air conditioner refrigerating performance.
When system pressure is lower than 0.196MPa, low tension switch in high and low voltage switch disconnects, the control circuit power-off of compressor relay, the operating circuit of compressor relay disconnects, compressor quits work, simultaneously because system pressure is lower than 1.52MPa, and the control circuit of blower fan fast-acting relay and the equal power-off of control circuit of blower fan slow-speed relay, condensation fan does not work, and effectively reduces electric energy loss.
Start condensation fan at lower voltages, starting torque is no more than nominal torque, and the momentum effectively reducing flabellum impacts, and improves the flabellum working life of condensation fan.
Start condensation fan at lower voltages, start operating current instantaneously and be about 2 ~ 3 times of rated current, reduce big current to the impact of winding, improve the machine operation life-span.
When starting at lower voltages to the stability bandwidth of line voltage generally within 10%, reduce the impact of other equipment.
Lifting answer condenser system pressure lower than below middle pressure time condensation fan heat radiation bad, ensure the air conditioner refrigeration effect under engine idle or dead ship condition.
When air-conditioning system is because of hypertonia cut-out compressor, condensation fan can continue high speed operation, is conducive to system quick heat radiating, accelerates system pressure and falls after rise stable, ensures the cold effect of compressor cut-out Space-Time Modulation.
Although illustrate and described embodiment of the present utility model; for the ordinary skill in the art; be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, all belong to protection domain of the present utility model.
Claims (2)
1. a condensation fan regulating circuit, is characterized in that: comprise pressure switch, compressor relay, compressor, blower fan slow-speed relay, blower fan fast-acting relay, condensation fan and low voltage starting resistance;
Described pressure switch includes high and low voltage switch and Medium voltage switch or circuit breaker; The input of described high and low voltage switch is connected with starting of air conditioner button;
The input of the control circuit of described compressor relay is connected with the output of described high and low voltage switch;
The input of the operating circuit of described compressor relay is connected with power supply, and the output of the operating circuit of described compressor relay is connected with the input of the control circuit of described compressor and described blower fan slow-speed relay respectively;
The input of described Medium voltage switch or circuit breaker is connected with power supply, and output is connected with the input of the control circuit of described blower fan fast-acting relay; Operating circuit in described blower fan fast-acting relay includes blower fan fast-acting relay input, the first output and second output;
Described power supply is connected with described blower fan fast-acting relay input;
Described first output is connected after described low voltage starting resistance of connecting with the input of the operating circuit of described blower fan slow-speed relay; The output of the operating circuit of described blower fan slow-speed relay is connected with described condensation fan;
Described second output is connected with described condensation fan.
2. condensation fan regulating circuit according to claim 1, is characterized in that: described blower fan fast-acting relay input, described first output and described second output form single-pole double throw contact switch; Wherein, the first output is normally-closed contact output; Described second output is normally opened contact output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588007.XU CN204853852U (en) | 2015-08-06 | 2015-08-06 | Condensation fan regulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588007.XU CN204853852U (en) | 2015-08-06 | 2015-08-06 | Condensation fan regulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204853852U true CN204853852U (en) | 2015-12-09 |
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ID=54744394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588007.XU Expired - Fee Related CN204853852U (en) | 2015-08-06 | 2015-08-06 | Condensation fan regulation circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204853852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379925A (en) * | 2017-05-19 | 2017-11-24 | 北汽福田汽车股份有限公司 | A kind of vehicle and its ac control circuit |
-
2015
- 2015-08-06 CN CN201520588007.XU patent/CN204853852U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107379925A (en) * | 2017-05-19 | 2017-11-24 | 北汽福田汽车股份有限公司 | A kind of vehicle and its ac control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20190806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |