CN201414078Y - Air-conditioning variable-frequency power source of electric vehicle - Google Patents
Air-conditioning variable-frequency power source of electric vehicle Download PDFInfo
- Publication number
- CN201414078Y CN201414078Y CN2009200579042U CN200920057904U CN201414078Y CN 201414078 Y CN201414078 Y CN 201414078Y CN 2009200579042 U CN2009200579042 U CN 2009200579042U CN 200920057904 U CN200920057904 U CN 200920057904U CN 201414078 Y CN201414078 Y CN 201414078Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- power supply
- air
- frequency power
- variable frequency
- 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.)
- Expired - Fee Related
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model relates to an air-conditioning variable-frequency power source of an electric vehicle, comprising a housing, an inside circuit, an outside power source and an air-conditioning compressor. The inside circuit comprises an LC filtration circuit, a rectification circuit, a high-current switch circuit, a silicon-controlled triggering circuit, a current surge resisting circuit, a filtration capacitive circuit, a driving circuit and a high-power IGBT circuit. Signals issued from the outside power source are transmitted to the air-conditioning compressor through the LC filtration circuit, the rectification circuit, the high-current switch circuit, the filtration capacitive circuit, the driving circuit and the high-power IGBT circuit in sequence; the current surge resisting circuit is connected in parallel to two ends of the high-current switch circuit; and the control signals of the driving circuit are transmitted to the high-current switch circuit through the silicon-controlled triggering circuit. The utility model ensures stable, convenient and pollution-free power supply for the air-conditioning system with network source, has strong adaptability and can automaticallyconvert power frequency.
Description
Technical field
The utility model relates to the air conditioning for automobiles power supply, especially uses external electrical network that the air-conditioning variable frequency power supply of electric energy is provided in the electric motor car.
Background technology
Because fuel-engined vehicle air-conditioning system of the prior art depends on the speed of automobile itself, and job insecurity, power consumption greatly, environmental pollution is serious etc., and problem is especially outstanding, the air-conditioning system by electronic gradually replaces.In the traditional electric automobile, air-conditioning system generally adopts storage battery to come to be the compressor of air conditioner power supply.As the Chinese patent publication number be: CN1522885, CN101196316, CN2654401, in above-mentioned three documents about electric automobile air-conditioning system, the air-conditioning system that has all disclosed electric motor car is by battery-driven, because the electric weight of storage battery is limited, need carry out regular charging or replacing to storage battery, increased cost to a certain extent, and discarded storage battery there is pollution to environment.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of electric motor car air-conditioning variable frequency power supply, utilize the electrical network electric energy to be air-conditioning system power supply, stable, easy, environmentally safe not only, and adaptability is strong, automatically the converting power source frequency.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of electric automobile air-conditioning variable frequency power supply, comprise shell, internal circuit, external power source, compressor of air conditioner, described internal circuit comprises LC filter circuit, rectification circuit, high-current switch circuit, thyristor gating circuit, anti-rush of current circuit, filter-capacitor circuit, drive circuit, high-power IGBT circuit; The signal that described external power source sends is sent to compressor of air conditioner by LC filter circuit 2, rectification circuit, high-current switch circuit, filter-capacitor circuit, drive circuit, high-power IGBT circuit successively, described anti-rush of current circuit is parallel to the high-current switch circuit two ends, and described drive circuit control signal is sent to high-current switch circuit by thyristor gating circuit.External power source input three-phase AC200V～500V or single-phase AC200V～500V or direct current DC300V～700V high pressure, after a series of filtering voltage regulations in oversampling circuit, the rectification, outside unsettled high pressure becomes metastable low-voltage DC, for the compressor of air conditioner electricity consumption.The air-conditioning power supply can reduce operating frequency when outer power voltage descends, thereby reduces compressor rotary speed, reduces power consumption.
As improvement, described rectification circuit is the three phase rectifier bridge circuit.The high pressure three-phase alternating current of external power source is transformed into direct current through behind the three-phase commutation bridge.
As improvement, be provided with driving power, described filter-capacitor circuit is anodal to be connected with driving power, and described driving power is connected with drive circuit, and described filter-capacitor circuit negative pole is connected with the high-power IGBT circuit.Driving power has guaranteed that for drive circuit provides stable voltage specially drive circuit can be operated in normal condition, simultaneously also is the key that whole air-conditioning power supply can operate as normal.
As improvement, be provided with current detection circuit, described high-power IGBT circuital current output signal feeds back to drive circuit by current detection circuit.Export when excessive when current detection circuit detects the high-power IGBT circuital current, cut off the driving of drive circuit, thereby stop the operation of air-conditioning power supply the high-power IGBT circuit.
As improvement, be provided with voltage detecting circuit, described external power source signal is sent to drive circuit by voltage detecting circuit.The voltage detecting voltage detecting is from the unsettled high voltage source of outside, when external power source takes place unusually, or during strong vibrations, cuts off the driving of drive circuit to the high-power IGBT circuit automatically, thereby stops the operation of air-conditioning power supply.
As improvement, be provided with the overtemperature prote circuit, described overtemperature prote circuit is connected with drive circuit.Sense the temperature of air-conditioning power supply when too high when the thermistor in the overtemperature prote circuit, cut off the driving of drive circuit automatically, thereby stop the operation of air-conditioning power supply the high-power IGBT circuit.
As improvement, be provided with parameter and show and initialization circuit that described parameter demonstration is connected with drive circuit with initialization circuit, described parameter shows and initialization circuit is provided with control panel.The variable frequency power supply operational factor can be made amendment by control panel and be set and demonstration.
As improvement, be provided with the fault output circuit, described fault output circuit is connected with drive circuit.
As improvement, be provided with the input signal control circuit, described input signal control circuit is connected with drive circuit.
The beneficial effect that the utility model is compared with prior art brought is:
This power supply is exclusively used in to soft start and the operation of electric automobile on-board air conditioner compressor with AC induction motor, adopt the space vector pulse width modulation mode, frequency-conversion voltage-varying speed, specially at electric car electrical network design, can be under frequent surge voltage, electric current reliably working.Can adapt to wide voltage input, variable frequency power supply can reduce operating frequency when line voltage descends, and reduces compressor rotary speed, reduces power consumption.Main switching device adopts high-power IGBT, and volume is little, the efficient height.
Description of drawings
Fig. 1 is an electrical connection diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of electric automobile air-conditioning variable frequency power supply comprises shell (not indicating), internal circuit, external power source 1, compressor of air conditioner 15.Described internal circuit comprises LC filter circuit 2, three phase rectifier bridge circuit 3, high-current switch circuit 4, thyristor gating circuit 6, anti-rush of current circuit 5, filter-capacitor circuit 7, drive circuit 8, high-power IGBT circuit 14, current detection circuit 12, voltage detecting circuit 13, overtemperature prote circuit 10, parameter shows and initialization circuit 11, fault output circuit 16, input signal control circuit 17, driving power 9.The signal that described external power source 1 sends is sent to compressor of air conditioner 15 by LC filter circuit 2, three phase rectifier bridge circuit 3, high-current switch circuit 4, filter-capacitor circuit 7, drive circuit 8, high-power IGBT circuit 14 successively.Described anti-rush of current circuit 5 is parallel to high-current switch circuit 4 two ends.Described drive circuit 8 control signals are sent to high-current switch circuit 4 by thyristor gating circuit 6, the switching of control high-current switch circuit 4.Described filter-capacitor circuit 7 positive poles are connected with driving power 9, and described driving power 9 is connected with drive circuit 8, and described filter-capacitor circuit 7 negative poles are connected with high-power IGBT circuit 14.Described high-power IGBT circuit 14 current output signals feed back to drive circuit 8 by current detection circuit 12.Described external power source 1 signal is sent to drive circuit 8 by voltage detecting circuit 13.Described overtemperature prote circuit 10, fault output circuit 16, input signal control circuit 17 are connected with drive circuit 8 respectively.Described parameter shows and is connected with drive circuit 8 with initialization circuit 11, and described parameter shows and initialization circuit 11 is provided with control panel (indicating).
External power source 1 input three-phase AC200V～500V or single-phase AC200V～500V or direct current DC300V～700V high voltage source are through LC filter circuit 2, the filtering voltage regulation of three phase rectifier bridge circuit 3, after the rectification, positive source seals at high-current switch circuit 4, anti-rush of current circuit 5 at high-current switch circuit 4 two ends parallel resistance electric capacity, high-current switch circuit 4 does not turn-off when this air-conditioning power supply enters operating state, little electric current is given big capacity electrolysis filter-capacitor circuit 7 chargings through the anti-rush of current circuit 5 of parallel connection, instantaneous large-current is to impacting electrical network and preventing to damage this machine part when preventing power connection external power source 1, and big capacity electrolysis filter-capacitor circuit 7 plays energy storage and suppresses the voltage fluctuation effect.
When receive the instruction of air-conditioning electric power starting from input signal control circuit 17 after, drive circuit 8 output three-phase SVPWM signals, drive high-power IGBT circuit 14, the air-conditioning power supply begins soft start compressor of air conditioner 15, and keep to press the air-conditioning machine stable operation of contracting, and when external power source 1 changes, can regulate output frequency automatically.When external power source 1 brownout, drive circuit 8 is to fault output circuit 16 output alarm signals, and cuts off the driving of 8 pairs of high-power IGBT circuit 14 of drive circuit automatically, stops the operation of air-conditioning power supply.Export when excessive when current detection circuit 12 detects high-power IGBT circuit 14 electric currents, drive circuit 8 is to fault output circuit 16 output alarm signals, and cuts off the driving of 8 pairs of high-power IGBT circuit 14 of drive circuit automatically, stops the operation of air-conditioning power supply.Sense the temperature of air-conditioning power supply when too high when the thermistor in the overtemperature prote circuit 10, cut off the driving of 8 pairs of high-power IGBT circuit 14 of drive circuit automatically, thereby stop the operation of air-conditioning power supply.Air-conditioning power supply operational factor can be made amendment by parameter demonstration and the control panel on the initialization circuit 11 and be set and demonstration.The temperature control radiator fan is housed in this air-conditioning outer casing of power supply, when radiator temperature is higher than preset temperature, radiator fan work.
This power supply is exclusively used in soft start and the operation to electric automobile on-board air conditioner compressor 15 usefulness AC induction motor, adopt the space vector pulse width modulation mode, frequency-conversion voltage-varying speed, specially at electric car electrical network design, can be under frequent surge voltage, electric current reliably working.Can adapt to wide voltage input, variable frequency power supply can reduce operating frequency when line voltage descends, and reduces compressor rotary speed, reduces power consumption.Main switching device adopts high-power IGBT, and volume is little, the efficient height.
Claims (9)
1. electric automobile air-conditioning variable frequency power supply, comprise shell, internal circuit, external power source, compressor of air conditioner, it is characterized in that: described internal circuit comprises LC filter circuit, rectification circuit, high-current switch circuit, thyristor gating circuit, anti-rush of current circuit, filter-capacitor circuit, drive circuit, high-power IGBT circuit; The signal that described external power source sends is sent to compressor of air conditioner by LC filter circuit, rectification circuit, high-current switch circuit, filter-capacitor circuit, drive circuit, high-power IGBT circuit successively, described anti-rush of current circuit is parallel to the high-current switch circuit two ends, and described drive circuit control signal is sent to high-current switch circuit by thyristor gating circuit.
2. a kind of electric automobile air-conditioning variable frequency power supply according to claim 1, it is characterized in that: described rectification circuit is the three phase rectifier bridge circuit.
3. a kind of electric automobile air-conditioning variable frequency power supply according to claim 2, it is characterized in that: be provided with driving power, described filter-capacitor circuit is anodal to be connected with driving power, and described driving power is connected with drive circuit, and described filter-capacitor circuit negative pole is connected with the high-power IGBT circuit.
4. a kind of electric automobile air-conditioning variable frequency power supply according to claim 3 is characterized in that: be provided with current detection circuit, described high-power IGBT circuital current output signal feeds back to drive circuit by current detection circuit.
5. a kind of electric automobile air-conditioning variable frequency power supply according to claim 4 is characterized in that: be provided with voltage detecting circuit, described external power source signal is sent to drive circuit by voltage detecting circuit.
6. a kind of electric automobile air-conditioning variable frequency power supply according to claim 5 is characterized in that: be provided with the overtemperature prote circuit, described overtemperature prote circuit is connected with drive circuit.
7. a kind of electric automobile air-conditioning variable frequency power supply according to claim 6 is characterized in that: be provided with parameter and show and initialization circuit that described parameter demonstration is connected with drive circuit with initialization circuit, described parameter shows and initialization circuit is provided with control panel.
8. a kind of electric automobile air-conditioning variable frequency power supply according to claim 7 is characterized in that: be provided with the fault output circuit, described fault output circuit is connected with drive circuit.
9. a kind of electric automobile air-conditioning variable frequency power supply according to claim 8 is characterized in that: be provided with the input signal control circuit, described input signal control circuit is connected with drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579042U CN201414078Y (en) | 2009-06-05 | 2009-06-05 | Air-conditioning variable-frequency power source of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579042U CN201414078Y (en) | 2009-06-05 | 2009-06-05 | Air-conditioning variable-frequency power source of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201414078Y true CN201414078Y (en) | 2010-02-24 |
Family
ID=41715957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200579042U Expired - Fee Related CN201414078Y (en) | 2009-06-05 | 2009-06-05 | Air-conditioning variable-frequency power source of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201414078Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889668A (en) * | 2012-10-25 | 2013-01-23 | 宁波奥克斯空调有限公司 | Method for controlling variable frequency air conditioner under low voltage |
| CN102889649A (en) * | 2011-07-18 | 2013-01-23 | 王康平 | Air-conditioner |
| CN111692697A (en) * | 2019-03-14 | 2020-09-22 | 启念科技股份有限公司 | Air conditioner control device |
-
2009
- 2009-06-05 CN CN2009200579042U patent/CN201414078Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889649A (en) * | 2011-07-18 | 2013-01-23 | 王康平 | Air-conditioner |
| CN102889649B (en) * | 2011-07-18 | 2015-05-20 | 王康平 | Air-conditioner |
| CN102889668A (en) * | 2012-10-25 | 2013-01-23 | 宁波奥克斯空调有限公司 | Method for controlling variable frequency air conditioner under low voltage |
| CN102889668B (en) * | 2012-10-25 | 2016-06-15 | 宁波奥克斯空调有限公司 | Convertible frequency air-conditioner control method at lower voltages |
| CN111692697A (en) * | 2019-03-14 | 2020-09-22 | 启念科技股份有限公司 | Air conditioner control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103532449B (en) | The drive control system of permanent magnet synchronous motor of cascade multi-level converter and control method thereof | |
| CN103434415A (en) | Motor vehicle driving system | |
| CN106059024A (en) | Large-power rapid charging converter for family electric car | |
| CN201307776Y (en) | Intelligent four-section charger | |
| CN106849782A (en) | Vidacare corp and electrical equipment | |
| CN201414078Y (en) | Air-conditioning variable-frequency power source of electric vehicle | |
| CN103178590A (en) | Plug-in type battery charging device used for electrically driven vehicle and using method thereof | |
| CN204915320U (en) | Supplementary conversion system of hybrid locomotive | |
| CN212637180U (en) | Double-winding driving-isolating variable-voltage charging integrated device | |
| CN103095201A (en) | Internal combustion locomotive alternating current auxiliary generator excitation control device | |
| CN102910061A (en) | Supercapacitor energy-storage ISG (Integrated Started Generator) asynchronous motor type hybrid power system and generating control method | |
| CN106899245A (en) | Direct current drive drive device and electrical equipment | |
| CN101789633B (en) | Electric hoist energy storing device based on ultra capacitor | |
| CN204184209U (en) | Vehicle control system and the vehicle with it | |
| CN201504220U (en) | Elevator power conservation device using super capacitor | |
| CN201907427U (en) | Auxiliary power-supply system for diesel locomotive | |
| CN201414077Y (en) | Air-conditioning fan power source of electric vehicle | |
| CN203859709U (en) | Energy-saving soft-start control cabinet for DC motor | |
| CN202424619U (en) | Alternating-current motor and controller device | |
| CN106515496A (en) | Blade electric vehicle alternating current high-power power supply system | |
| CN112078377A (en) | Double-winding driving-isolating variable-voltage charging integrated device | |
| CN207398898U (en) | One kind drives charging integrated device based on motor inductances equivalence techniques | |
| CN106004891A (en) | Traction invertor control way | |
| CN202557320U (en) | Permanent magnet motor controller applicable to pure electric automobile | |
| CN101800507A (en) | DC power supply permanent magnet synchronous AC motor speed regulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20180605 |