CN202092282U - Air-conditioning control system of electric automobile - Google Patents
Air-conditioning control system of electric automobile Download PDFInfo
- Publication number
- CN202092282U CN202092282U CN2011201883047U CN201120188304U CN202092282U CN 202092282 U CN202092282 U CN 202092282U CN 2011201883047 U CN2011201883047 U CN 2011201883047U CN 201120188304 U CN201120188304 U CN 201120188304U CN 202092282 U CN202092282 U CN 202092282U
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- Prior art keywords
- switch
- relay
- air
- electric automobile
- control system
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 24
- 238000005057 refrigeration Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012857 repacking Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses an air-conditioning control system of an electric automobile; the air-conditioning control system comprises an air-conditioning compressor, a blower assembly, a transmission controller and a battery pack and is characterized in that a heating circuit comprises a heating switch controlled by a cold and hot wind rotary switch, a DC (direct current) contactor and a heating element; the heating switch, the coil of the DC contactor and the blower switch are connected in series and then connected between a power supply and an earth wire; the heating element is connected in series with the normally open contact of the DC contactor and then connected with two ends of the battery pack. According to the utility model, the matching and combination between the special compression system of electric automobile and the original air-conditioning system of ordinary automobile is finished and the control on the air-conditioning refrigerating system is finished effectively. Simultaneously, the PTC (Positive Temperature Coefficient) heater is adopted to realize the perfect refrigerating and heating functions. When the air-conditioning control system disclosed by the utility model is applied to the pure electric automobile modified from the ordinary automobile, the design of the circuit is simplified greatly, the installation and use is convenient and the modification efficiency of the electric automobile is greatly improved. The air-conditioning control system disclosed by the utility model has simple structure, low cost, safety and reliability and convenience in use and installation.
Description
Technical field
The utility model relates to a kind of air-conditioner control system of electric automobile, in particular, relates in particular to a kind of air-conditioner control system that engine automobile is adapted as electric automobile and has made full use of the electric automobile of former car air-conditioning system.
Background technology
That electric automobile has is pollution-free, noise is low, energy utilization rate is high and energy source characteristics widely, and full-fledged vehicle technology helps realizing the strategy of sustainable development of country.Engine automobile (below be referred to as general-utility car) is adapted as in the process of pure electric automobile, because the manufacturing technology of the vehicle chassis of at present a lot of companies is relatively poor, in order to guarantee the q﹠r of vehicle chassis, used the general-utility car of finished product to be adapted as electric automobile in a large number.
The air-conditioning system of general-utility car and the air-conditioner control system of electric automobile have very big difference.The refrigeration system of general-utility car air-conditioning is made up of evaporimeter, condenser pipe, capillary (or expansion valve), compressor four big parts; Temperature sensor and pressure sensor are finished control action to compressor by ECU, thereby realize refrigeration.The heating system of general-utility car generally is that the cooling water of engine is introduced in the indoor heater of car, by air blast heated air is blown in the car, forms warm braw.When general-utility car is adapted as electric automobile, owing to removed engine, its refrigeration system does not generally re-use former car ECU, keep evaporimeter, condenser, capillary and former pipeline, pressure switch, temperature detect switch (TDS) of former car etc., should adopt electric automobile dedicated compressor and the controller supporting with it.Therefore, just the problem how electric automobile dedicated compressor system is connected and cooperates with former car spare has appearred, and refrigeration and heat the problem of how processing controls.
Summary of the invention
The utility model provides a kind of air-conditioner control system that general-utility car is adapted as electric automobile and has made full use of the electric automobile of former car air-conditioning system in order to overcome the shortcoming of above-mentioned technical problem.
The air-conditioner control system of electric automobile of the present utility model comprises compressor of air conditioner, blower assy, drive controller and the batteries that is used to provide electric energy; The refrigeration control circuit of described air-conditioning system comprises refrigeration switch, condenser fan, cooling fan relay and compressor controller, its special feature is: the circuit that heats of described air-conditioning system comprises and heats switch, D.C. contactor and be arranged at heater element in the air blast, be connected between power supply and the ground wire after the coil that heats switch, D.C. contactor of the described hot blast rotary switch control of catching a cold and fan switch are in series, be connected to the two ends of batteries after described heater element was connected with the normal battle of D.C. contactor; Be provided with in the described drive controller and be used to realize freezing signal and the circuit that heats the signal interlocking.Drive controller is used for heating with refrigerating state of air-conditioning system controlled; Compressor of air conditioner is realized refrigeration by the compression to cold-producing medium; Blower assy can be realized draught effect, also can realize to the indoor warm braw that blows of automobile; Batteries is used to provide electric energy.After existing general-utility car is changed into electric automobile, saved engine, can not utilize original engine cooling water to utilize again as thermal source, set up after the heater element, just realized heat-production functions.Drive controller makes that heat switch becomes interlocking state with the refrigeration switch, this just make the synchronization air-conditioning system to be in to freeze and heat in a kind of state.On the simple basis of transforming of air-conditioning system, can realize the technical scheme in the utility model to the available engine automobile.
The air-conditioner control system of electric automobile of the present utility model, described interlock circuit comprise with the refrigeration relay K A1 that is in series of switch and with heat the relay K A2 that switch is in series, in the normal battle of described relay K A1 and the control circuit that is connected to successively after the normally closed point of relay K A2 is connected between electric lock switch and the compressor controller.Heating switch can only have one to be in closure state with the refrigeration switch; When cold and hot wind rotary switch is screwed into the hot blast position, heat switch closure, relay K A2 gets electric, also just makes the control circuit of compressor controller disconnect, and refrigeration work is closed; Meanwhile D.C. contactor gets electric electricly, and then makes the loop at heater element place be in conducting state.When cold and hot wind rotary switch is screwed into the cold wind position, the refrigeration switch closure, relay K A1 is, relay K A2 dead electricity, make the control circuit between electric lock switch and the compressor controller be in conducting state, under the situation that temperature and pressure satisfies condition, will realize refrigeration.
The air-conditioner control system of electric automobile of the present utility model, also be provided with temperature detect switch (TDS), relay K A3 and relay K A4 in the described drive controller, the coil of the coil of described relay K A3 and relay K A4 is separately positioned in the circuit between high-voltage switch gear and ground wire and low tension switch and the ground wire; After being in series successively, the normal battle of the normally closed point of the normal battle of described relay K A1, relay K A2, the normally closed point of relay K A3, relay K A4 and temperature detect switch (TDS) be connected in the control circuit between electric lock switch and the compressor controller.High-voltage switch gear and low tension switch be respectively by to the control of relay K A3 and relay K A4, realizes in the pipeline hypertonia or cross and close and open compressor, control refrigeration when low.Because temperature detect switch (TDS) also is connected in the control circuit of compressor controller, makes that temperature also is the controlled condition of compressor controller work.
The air-conditioner control system of electric automobile of the present utility model, described blower assy comprises fan switch, is connected between the coil of power supply and relay K A1 after described refrigeration switch and fan switch are in series; One end of described cooling fan relay coil links to each other with ground wire, and the other end is received on the circuit between the normally closed point of the normally closed point that connects relay K A2 and relay K A3.Only get under the situation of electric and relay K A2 dead electricity at relay K A1, the coil of cooling fan relay just electric, and then control condenser fan work.
The air-conditioner control system of electric automobile of the present utility model, described heater element are the PTC semiconductor thermistor; The described switch that heats is a microswitch.This microswitch is controlled its break-make by cold and hot wind rotary switch.Its resistance value of semistor is along with the rising of PTC thermistor body temperature presents the increase of step evolution, and temperature is high more, and resistance value is big more.Adopt microswitch, be easy to realize the control of cold and hot wind rotary switch, realize heating the control in loop.
Electric lock switch in the utility model provides power supply by drive controller for compressor of air conditioner and condenser fan, and this power supply is controlled it by the air-conditioning switch of former car, high and low pressure switch, the temperature controller switch on the former car refrigeration piping by drive controller.Former car fan switch, for refrigeration switch (air-conditioning switch) provides power supply, fan operation during with the assurance air conditioner refrigerating.Heating switch is a microswitch of being stirred by the cold and hot wind rotary switch of former car, when this switch pushes hot blast position (red color scale space), make the air channel commutation be hot blast by machine driving, stir simultaneously and heat switch and make D.C. contactor action, connect the PTC semiconductor heater in the blower fan, produce hot blast, heat switch on the other hand and cut off the compressor of air conditioner power supply by drive controller, it is lockable can not work, thus the interlocked usefulness that has realized refrigeration and heated.
The utility model utilizes relay and some electronic components of one group of follow procedure combination, has finished the special-purpose compressibility of electric automobile and has mated with the former air-conditioning system of general-utility car and combine, and finishes the control to air-conditioning refrigeration system effectively.Simultaneously the advanced person's that adopts on the pure electric automobile PTC semiconductor heater duty and air conditioner refrigerating duty are carried out effective interlocking control, these two conflicting duties can not be worked simultaneously; Perfect refrigeration, heat-production functions have been realized.
The beneficial effects of the utility model are: engine automobile is being adapted as in the process of electric automobile, by the existing heat-production functions that comes that heater element replaces cooling water is set, heater element is preferably the PTC semiconductor thermistor, is easy to realize temperature control; By the drive controller of being made up of four relays is set, not only realized refrigeration signal and the interlocking that heats signal, also make pressure, temperature conditions also can control to the duty of compressor.The utlity model has simple in structurely, with low cost, safe and reliable, easy to install and use, simplified the circuit design of electric automobile greatly, improved the production installation effectiveness, can be used on the pure electric automobile of general-utility car repacking in enormous quantities.
Product of the present utility model adopts epoxy encapsulation, has not to be afraid of water stain, reliable operation, advantage such as little influenced by ambient temperature.On the pure electric automobile of general-utility car repacking, use, simplify the design of circuit greatly, easy to install, can improve the repacking efficient of electric automobile greatly.
Description of drawings
Fig. 1 is the schematic diagram of the air-conditioner control system of electric automobile of the present utility model;
Fig. 2 is the circuit diagram of drive controller of the present utility model.
Among the figure: 1 drive controller, 2 compressor controllers, 3 blower assies, 4 refrigeration switches, 5 heat switch, 6 electric lock switches, 7 D.C. contactors, 8 cooling fan relays, 9 condenser fans, 10 compressors of air conditioner, 11 cold and hot wind rotary switches.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, provided systematic schematic diagram of the present utility model, it comprises drive controller 1, compressor controller 2, blower assy 3, refrigeration switch 4, heats switch 5, electric lock switch 6, D.C. contactor 7, cooling fan relay 8, condenser fan 9, compressor of air conditioner 10, cold and hot wind rotary switch 11; Fig. 2 has provided the circuit theory diagrams of drive controller 1, and it comprises four relays and four diode elements.The control that compressor controller 2 is realized the duty of compressor of air conditioner 10; Blower assy 3 is used for to the indoor temperature adjustment wind that blows of automobile, and the air blast in the blower assy 3 is connected with the 12V power supply by fan switch, so that the duty of air blast is controlled.Fan switch, the coil that heats switch 5 and D.C. contactor 7 are connected in the same loop two ends of receiving batteries after be in series the normal battle of heating element heater and D.C. contactor 7 successively; Heat switch 5 and adopt microswitch, be subjected to the control of the cold and hot wind rotary switch on original general-utility car, heating element heater is preferably the PTC semiconductor thermistor, so that realize good heating and temperature control effect.Have only when fan switch and open and heat switch 5 and be in closure state, D.C. contactor just can get electric, just can make the loop at PTC semiconductor thermistor place be in conducting state, and by air blast to the indoor warm braw that blows of automobile, realize heating.
Be connected between 12V power line and the ground wire after be in series the normal battle of condenser fan 9 and cooling fan relay 8.High-voltage switch gear, low tension switch produce different states according to the pressure size that detects, and temperature switch produces corresponding action according to the indoor temperature of automobile that detects.As shown in Figure 2, it comprises relay K A1, relay K A2, relay K A3, relay K A4, and the two ends of four relays (KA1, KA2, KA3, KA4) coil also are parallel with the diode that shields.Shown in relay K A1 coil an end with the refrigeration switch link to each other, the other end links to each other with ground wire; One end of relay K A2 coil with heat switch and link to each other, the other end links to each other with ground wire; One end of the coil of relay K A3 is connected with high-voltage switch gear, and the other end is connected with ground wire, and the coil of relay K A4 is arranged in the loop between low tension switch and the ground wire.The electric lock switch is connected with compressor controller 2 through the normal battle of relay K A1, the normally closed point of relay K A2, the make and break point of relay K A3, normal battle and the temperature switch of relay K A4 successively afterwards again, so that realize the duty of compressor is controlled by the power failure state that gets of electric lock switch 6 and four relays.Relay K A1 and relay K A2 are used to realize heating the interlocked usefulness of signal and refrigeration signal, make the air-conditioning system synchronization can only locate to freeze or heat state.Circuit between the normally closed point of the normally closed point of relay K A2 and relay K A3 is connected with an end of cooling fan relay 8 coils, and the other end is connected with ground wire.
The course of work of the present utility model:
During refrigeration, at first closed electric lock switch 6, closed then fan switch is screwed into the cold wind position to cold and hot wind rotary switch; Closed again refrigeration switch 4, make relay K A1 be in electricity condition, relay K A2 is in power failure state; Satisfy in the pressure and temperature parameter under the condition of refrigeration, relay K A3 and relay K A4 are in dead electricity respectively and get electricity condition, and this also just makes compressor controller 2 control compressors carry out work, realizes refrigeration.Meanwhile, cooling fan relay 8 gets electric, is controlling condenser fan 9 and is rotating.
When heating, at first answer closed electric lock switch 6 and fan switch, make that the blower fan in the blower assy 3 is in running order; Cold and hot then wind rotary switch is screwed into the hot blast position, heats switch 5 closures, and it is electric to make that not only D.C. contactor KM2 gets, and it is electric to make that also relay K A2 gets, and has realized the disconnection of compressor controller 2 control signals and the heating of PTC semiconductor thermistor; And the effect by air blast, it is indoor that the heat that the PTC semiconductor thermistor is sent is blown into automobile, realizes the effect that heats.
Claims (5)
1. the air-conditioner control system of an electric automobile comprises compressor of air conditioner (10), blower assy (3), drive controller (1) and the batteries that is used to provide electric energy; The refrigeration control circuit of described air-conditioning system comprises refrigeration switch (4), condenser fan (9), cooling fan relay (8) and compressor controller (9), it is characterized in that: described air-conditioning system heat that circuit comprises hot blast rotary switch (11) control of catching a cold heat switch (5), D.C. contactor (7) and be arranged at heater element in the air blast, the described switch that heats, be connected to after the coil of D.C. contactor and fan switch are in series between power supply and the ground wire, be connected to the two ends of batteries after described heater element was connected with the normal battle of D.C. contactor; Be provided with in the described drive controller and be used to realize freezing signal and the circuit that heats the signal interlocking.
2. the air-conditioner control system of electric automobile according to claim 1, it is characterized in that: described interlock circuit comprise with the relay K A1 that is in series of refrigeration switch (4) and with heat the relay K A2 that switch (5) is in series, in the normal battle of described relay K A1 and the control circuit that is connected to successively after the normally closed point of relay K A2 is connected between electric lock switch (6) and the compressor controller (2).
3. the air-conditioner control system of electric automobile according to claim 2, it is characterized in that: also be provided with temperature detect switch (TDS), relay K A3 and relay K A4 in the described drive controller (1), the coil of the coil of described relay K A3 and relay K A4 is separately positioned in the circuit between high-voltage switch gear and ground wire and low tension switch and the ground wire; After being in series successively, the normal battle of the normally closed point of the normal battle of described relay K A1, relay K A2, the normally closed point of relay K A3, relay K A4 and temperature detect switch (TDS) be connected in the control circuit between electric lock switch and the compressor controller.
4. the air-conditioner control system of electric automobile according to claim 3, it is characterized in that: described blower assy (3) comprises fan switch, is connected between the coil of power supply and relay K A1 after described refrigeration switch and fan switch are in series; One end of described cooling fan relay (8) coil links to each other with ground wire, and the other end is received on the circuit between the normally closed point of the normally closed point that connects relay K A2 and relay K A3.
5. the air-conditioner control system of electric automobile according to claim 1 and 2, it is characterized in that: described heater element is the PTC semiconductor thermistor; The described microswitch that heats switch (5) for hot blast rotary switch (11) control of catching a cold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201883047U CN202092282U (en) | 2011-06-07 | 2011-06-07 | Air-conditioning control system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201883047U CN202092282U (en) | 2011-06-07 | 2011-06-07 | Air-conditioning control system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202092282U true CN202092282U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201883047U Expired - Lifetime CN202092282U (en) | 2011-06-07 | 2011-06-07 | Air-conditioning control system of electric automobile |
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| Country | Link |
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| CN (1) | CN202092282U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278807A (en) * | 2011-06-07 | 2011-12-14 | 山东宝雅新能源汽车股份有限公司 | Air-conditioning control system of electromobile |
| CN102980262A (en) * | 2012-12-04 | 2013-03-20 | 北京理工大学 | Electric automobile heat pump air conditioning system driven by variable frequency motor |
| CN103448507A (en) * | 2013-09-13 | 2013-12-18 | 柳州职业技术学院 | Energy-saving automotive air conditioning control system |
| CN104167709A (en) * | 2013-05-19 | 2014-11-26 | 黄三元 | Electric vehicle power supply short-circuit protection circuit |
| CN105172526A (en) * | 2015-09-22 | 2015-12-23 | 安徽江淮汽车股份有限公司 | Automotive air conditioning circuit |
| CN112208287A (en) * | 2019-07-10 | 2021-01-12 | 河南森源电动汽车有限公司 | Electric automobile temperature adjusting device and control system thereof and electric automobile |
-
2011
- 2011-06-07 CN CN2011201883047U patent/CN202092282U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278807A (en) * | 2011-06-07 | 2011-12-14 | 山东宝雅新能源汽车股份有限公司 | Air-conditioning control system of electromobile |
| CN102278807B (en) * | 2011-06-07 | 2013-10-30 | 山东宝雅新能源汽车股份有限公司 | Air-conditioning control system of electromobile |
| CN102980262A (en) * | 2012-12-04 | 2013-03-20 | 北京理工大学 | Electric automobile heat pump air conditioning system driven by variable frequency motor |
| CN102980262B (en) * | 2012-12-04 | 2014-11-12 | 北京理工大学 | Electric automobile heat pump air conditioning system driven by variable frequency motor |
| CN104167709A (en) * | 2013-05-19 | 2014-11-26 | 黄三元 | Electric vehicle power supply short-circuit protection circuit |
| CN104167709B (en) * | 2013-05-19 | 2018-03-20 | 温州卡耐夫电器有限公司 | Electric vehicle power sources short-circuit protection circuit |
| CN108206501A (en) * | 2013-05-19 | 2018-06-26 | 杨妮 | Electric vehicle power sources short-circuit protection circuit |
| CN108206501B (en) * | 2013-05-19 | 2019-05-24 | 速珂智能科技（上海）有限公司 | Electric vehicle power sources short-circuit protection circuit |
| CN103448507A (en) * | 2013-09-13 | 2013-12-18 | 柳州职业技术学院 | Energy-saving automotive air conditioning control system |
| CN103448507B (en) * | 2013-09-13 | 2015-08-19 | 柳州职业技术学院 | A kind of energy-saving automobile air conditioner control system |
| CN105172526A (en) * | 2015-09-22 | 2015-12-23 | 安徽江淮汽车股份有限公司 | Automotive air conditioning circuit |
| CN112208287A (en) * | 2019-07-10 | 2021-01-12 | 河南森源电动汽车有限公司 | Electric automobile temperature adjusting device and control system thereof and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111228 Effective date of abandoning: 20131030 |
|
| RGAV | Abandon patent right to avoid regrant |