CN204055316U - A kind of electromotor cooling system - Google Patents
A kind of electromotor cooling system Download PDFInfo
- Publication number
- CN204055316U CN204055316U CN201420452603.0U CN201420452603U CN204055316U CN 204055316 U CN204055316 U CN 204055316U CN 201420452603 U CN201420452603 U CN 201420452603U CN 204055316 U CN204055316 U CN 204055316U
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- China
- Prior art keywords
- gas cylinder
- cooling
- pipeline
- motor
- temperature sensor
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- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 42
- 230000003139 buffering effect Effects 0.000 claims abstract description 22
- 239000000112 cooling gas Substances 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 22
- 238000007906 compression Methods 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000029052 metamorphosis Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a kind of electromotor cooling system, pressurized air is filled with in its cooling gas cylinder, cool gas cylinder, buffering gas cylinder, between electric machine controller and motor, pass through pipeline connection successively, pipeline between cooling gas cylinder and buffering gas cylinder is provided with reducing valve, pipeline between buffering gas cylinder and electric machine controller is provided with first flow control cock, the outlet of motor cooling line is communicated with engine aspirating system by pipeline, the pipeline between motor and engine aspirating system is provided with successively spill valve and second control valve.The utility model utilizes pressurized air to the cooling of electric system, can ensure cooling performance, extends the service life of electric system; After pressurized air completes the cooling of motor, electric machine controller, temperature is still lower, and gas pressure intensity is larger than the pressure of engine aspirating system natural aspirate, for the adjustment of Engine Inlet Temperature and pressure, improves engine combustion conditions, reaches fuel-economizing, emission reduction effect.
Description
Technical field
The utility model relates to a kind of electromotor cooling system.
Background technology
The cooling of the electric system on existing elec. vehicle is widely used is pass into cooling water expansion tank in its cooling line, according to the change of electric system temperature, regulates the pump power of water-cooling system, by interchange of heat, realizes the cooling to electric system.There is following shortcoming in current widely used electromotor cooling system: energy consumption is high, and the circulation power source of motor cooling water expansion tank, from pump motor, needs to consume car load portion of energy; Equipment cost is higher, and water-cooling system needs cooling water pump, the composition such as radiator-water box, control system, adds the cost of motor cooling water expansion tank, causes cooling system cost higher; Cooling water expansion tank is non-renewable, and cooling water expansion tank is non-renewable, and leakage can cause environmental pollution.
Summary of the invention
The technical problems to be solved in the utility model is to provide one can ensure cooling performance, extends electric system service life, and can improve the electromotor cooling system of engine combustion conditions.
For solving the problems of the technologies described above, the utility model comprises the motor and electric machine controller with cooling line, it is characterized in that also comprising cooling gas cylinder, buffering gas cylinder, pressurized air is filled with in described cooling gas cylinder, described cooling gas cylinder, buffering gas cylinder, pipeline connection is passed through successively between electric machine controller and motor, pipeline between described cooling gas cylinder and buffering gas cylinder is provided with reducing valve, pipeline between described buffering gas cylinder and electric machine controller is provided with first flow control cock, the outlet of described motor cooling line is communicated with engine aspirating system by pipeline, pipeline between described motor and engine aspirating system is provided with successively spill valve and second control valve.
Pipeline between described cooling gas cylinder and reducing valve is provided with the first compression indicator, pipeline between described reducing valve and buffering gas cylinder is provided with the second compression indicator, pipeline between described buffering gas cylinder and first flow control cock is provided with the first temperature sensor, described electric machine controller is provided with the second temperature sensor, described motor is provided with three-temperature sensor, pipeline between described motor and spill valve is provided with the 4th temperature sensor, pipeline between described motor and the 4th temperature sensor is provided with the 3rd compression indicator, described first compression indicator, second compression indicator, 3rd compression indicator, first temperature sensor, second temperature sensor, three-temperature sensor, the signal output part of the 4th temperature sensor is electrically connected with main control circuit respectively, described reducing valve, first flow control cock, second control valve, spill valve is electrically-controlled valve, described reducing valve, first flow control cock, second control valve, the control end of spill valve is electrically connected with main control circuit, and the control circuit of described engine aspirating system is electrically connected with aforementioned main control circuit.
Described main control circuit is electrically connected with read-out and annunciator.
After adopting said structure, the utility model selects renewable, pollution-free, that cost is low air as cooling system conditioner, pressurized air that is liquid or gaseous state is utilized to need to draw the principle of a large amount of heats when metamorphosis, it is applied to the cooling of electric system, electric system cooling performance is remarkable, compressed-air actuated cooling power is better than traditional water-cooled, oil cooling, can ensure cooling performance, extends the service life of electric system; After pressurized air completes the cooling of motor, electric machine controller, temperature is still lower, and gas pressure intensity is larger than the pressure of engine aspirating system natural aspirate, may be used for the adjustment of Engine Inlet Temperature and pressure, contribute to improving engine combustion conditions, reach the effect of fuel-economizing, reduction of discharging.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, electromotor cooling system comprises the motor 4 and electric machine controller 3 with cooling line, also comprise cooling gas cylinder 1, buffering gas cylinder 2, pressurized air is filled with in cooling gas cylinder 1, pressurized air can according to the specific requirement gaseous compressed air that select pressure lower of motor cooling or the higher liquid pressurized air of pressure, the choosing of bearer such as pipeline upper valve body need be chosen according to compressed-air actuated pressure, cooling gas cylinder 1, buffering gas cylinder 2, pipeline connection is passed through successively between electric machine controller 3 and motor 4, pipeline between cooling gas cylinder 1 and buffering gas cylinder 2 is provided with reducing valve 8, pipeline between buffering gas cylinder 2 and electric machine controller 3 is provided with first flow control cock 11, the outlet of motor 4 cooling line is communicated with engine aspirating system 5 by pipeline, pipeline between motor 4 and engine aspirating system 5 is provided with successively spill valve 16 and second control valve 17.
Pipeline between cooling gas cylinder 1 and reducing valve 8 is provided with the first compression indicator 7, pipeline between reducing valve 8 and buffering gas cylinder 2 is provided with the second compression indicator 9, pipeline between buffering gas cylinder 2 and first flow control cock 11 is provided with the first temperature sensor 10, electric machine controller 3 is provided with the second temperature sensor 12, motor 4 is provided with three-temperature sensor 13, pipeline between motor 4 and spill valve 16 is provided with the 4th temperature sensor 15, pipeline between motor 4 and the 4th temperature sensor 15 is provided with the 3rd compression indicator 14, first compression indicator 7, second compression indicator 9, 3rd compression indicator 14, first temperature sensor 10, second temperature sensor 12, three-temperature sensor 13, the signal output part of the 4th temperature sensor 15 is electrically connected with main control circuit 6 respectively, described reducing valve 8, first flow control cock 11, second control valve 17, spill valve 16 is electrically-controlled valve, described reducing valve 8, first flow control cock 11, second control valve 17, the control end of spill valve 16 is electrically connected with main control circuit 6, the control circuit of described engine aspirating system 5 is electrically connected with aforementioned main control circuit 6, the control circuit of available engine air system 5 generally adopts ECU, ECU gathers, process and output temperature, the technology of the signals such as pressure is prior art, the connection mode of its signal output part and main control circuit 6 does not need to spend creative work to learn to one skilled in the art.Main control circuit 6 is electrically connected with annunciator and the read-out 18 for showing the first compression indicator 7 numerical value, annunciator is electrically connected with read-out 18, annunciator can directly be integrated in read-out 18, when read-out 18 shows numerical value lower than setting value, alarm equipment alarm, both circuit structures of electrical connection are prior art, repeat no more herein.
The utility model adopts pressurized air to substitute the cooling system conditioner of original water-cooled, oil cooling system as cooling system conditioner, utilizes gas form to change this principle of heat absorption, realizes the cooling to motor 4 system.According to gas equation, the gas of identical amount changes at pressure and volume, and temperature changes P according to the following equation
1v
1/ T
1=P
2v
2/ T
2(P
1---initial gas pressure value, V
1---initial gas volume, T
1---initial gas temperature, P
2---gas pressure value after gaseous state change, V
2---gas volume after gaseous state change, T
2---gas temperature after gaseous state change), pressure gas being changed in this cooling system, P
2significantly reduction, V
2significantly increase, therefore according to this formulae discovery T
2need the generous demand that can meet gaseous state change of large amplitude variation, therefore need to absorb more heat from the external world, thus possess good cooling power.
Main control circuit 6 collects the signal of the first temperature sensor 10, second temperature sensor 12, three-temperature sensor 13, second compression indicator 9, calculate the air requirements amount that motor 4 system is real-time, first flow control cock 11 is utilized to regulate the inlet of motor 4 and electric machine controller 3 air, herein air requirements amount calculating for those skilled in the art technical personnel belong to prior art, it is identical with utilizing the Computing Principle of water-cooled or oil cooling, so this place repeats no more computing formula, main control circuit 6 collects the 4th temperature sensor 15, 3rd compression indicator 14, intake pressure in Engine ECU, suction quantity, the signal of intake temperature, all intake pressure is integrated with in the ECU prior art of wherein driving engine, suction quantity, the measurement mechanism of intake temperature, according to present engine running state and lower a moment dbjective state to intake pressure, suction quantity is distributed, and complete the adjustment of engine aspirating system 5 intake temperature, if air system had by oneself by driving engine can meet combustion needs, then the ECU of driving engine is to main control circuit 6 output signal, main control circuit 6 Control strain valve 16 is opened, cooling system gas is overflowed by spill valve 16, if the pressure of air system had by oneself by driving engine and suction quantity cannot meet combustion needs, then the ECU of driving engine calculates required suction quantity and exports signal to main control circuit 6, the aperture being controlled second control valve 17 by main control circuit 6 carries out gas compensation, main control circuit 6 collects the signal of the first compression indicator 7, judge whether the amount cooling refrigerating gas in gas cylinder 1 reaches setting value, and show on read-out 18, when the amount of refrigerating gas is reduced to setting value, alarm equipment alarm, prompting is changed cooling gas cylinder 1 or fill pressurized air in cooling gas cylinder 1, main control circuit 6, according to cooling requirement, engine charge state, the engine charge demand information of motor 4 system, controls reducing valve 8, enables the gas pressure value in buffering gas cylinder 2 meet motor 4 system cools demand and engine charge compensation demand.
The utility model selects renewable, pollution-free, that cost is low air as cooling system conditioner, pressurized air that is liquid or gaseous state is utilized to need to draw the principle of a large amount of heats when metamorphosis, it is applied to the cooling of motor 4 system, motor 4 system cools Be very effective, compressed-air actuated cooling power is better than traditional water-cooled, oil cooling, can cooling performance be ensured, extend the service life of motor 4 system; After pressurized air completes the cooling of motor 4, electric machine controller 3, temperature is still lower, and gas pressure intensity is larger than the pressure of engine aspirating system 5 natural aspirate, may be used for the adjustment of Engine Inlet Temperature and pressure, contribute to improving engine combustion conditions, reach the effect of fuel-economizing, reduction of discharging.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.In every case, within inventive concept scope of the present utility model, any amendment made, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (3)
1. an electromotor cooling system, comprise the motor (4) and electric machine controller (3) with cooling line, it is characterized in that also comprising cooling gas cylinder (1), buffering gas cylinder (2), pressurized air is filled with in described cooling gas cylinder (1), described cooling gas cylinder (1), buffering gas cylinder (2), pipeline connection is passed through successively between electric machine controller (3) and motor (4), pipeline between described cooling gas cylinder (1) and buffering gas cylinder (2) is provided with reducing valve (8), pipeline between described buffering gas cylinder (2) and electric machine controller (3) is provided with first flow control cock (11), the outlet of described motor (4) cooling line is communicated with engine aspirating system (5) by pipeline, pipeline between described motor (4) and engine aspirating system (5) is provided with successively spill valve (16) and second control valve (17).
2. electromotor cooling system according to claim 1, it is characterized in that the pipeline between described cooling gas cylinder (1) and reducing valve (8) is provided with the first compression indicator (7), pipeline between described reducing valve (8) and buffering gas cylinder (2) is provided with the second compression indicator (9), pipeline between described buffering gas cylinder (2) and first flow control cock (11) is provided with the first temperature sensor (10), described electric machine controller (3) is provided with the second temperature sensor (12), (4) are provided with three-temperature sensor (13) with described motor, pipeline between described motor (4) and spill valve (16) is provided with the 4th temperature sensor (15), pipeline between described motor (4) and the 4th temperature sensor (15) is provided with the 3rd compression indicator (14), described first compression indicator (7), second compression indicator (9), 3rd compression indicator (14), first temperature sensor (10), second temperature sensor (12), three-temperature sensor (13), the signal output part of the 4th temperature sensor (15) is electrically connected with main control circuit (6) respectively, described reducing valve (8), first flow control cock (11), second control valve (17), spill valve (16) is electrically-controlled valve, described reducing valve (8), first flow control cock (11), second control valve (17), the control end of spill valve (16) is electrically connected with main control circuit (6), the control circuit of described engine aspirating system (5) is electrically connected with aforementioned main control circuit (6).
3. electromotor cooling system according to claim 1 and 2, is characterized in that described main control circuit (6) is electrically connected with read-out (18) and annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452603.0U CN204055316U (en) | 2014-08-12 | 2014-08-12 | A kind of electromotor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452603.0U CN204055316U (en) | 2014-08-12 | 2014-08-12 | A kind of electromotor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204055316U true CN204055316U (en) | 2014-12-31 |
Family
ID=52196887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420452603.0U Expired - Fee Related CN204055316U (en) | 2014-08-12 | 2014-08-12 | A kind of electromotor cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204055316U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833746A (en) * | 2015-05-29 | 2015-08-12 | 国家电网公司 | Gas supplying and cooling device for experimental equipment |
| CN108698657A (en) * | 2016-03-08 | 2018-10-23 | 本田技研工业株式会社 | control device cooling structure |
| CN110278695A (en) * | 2019-07-16 | 2019-09-24 | 天津理工大学 | A kind of electric machine controller radiating and cooling system and its working method |
| CN111030376A (en) * | 2019-12-04 | 2020-04-17 | 珠海格力电器股份有限公司 | Motor cooling structure, motor cooling control method thereof and vehicle |
-
2014
- 2014-08-12 CN CN201420452603.0U patent/CN204055316U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833746A (en) * | 2015-05-29 | 2015-08-12 | 国家电网公司 | Gas supplying and cooling device for experimental equipment |
| CN108698657A (en) * | 2016-03-08 | 2018-10-23 | 本田技研工业株式会社 | control device cooling structure |
| CN110278695A (en) * | 2019-07-16 | 2019-09-24 | 天津理工大学 | A kind of electric machine controller radiating and cooling system and its working method |
| CN111030376A (en) * | 2019-12-04 | 2020-04-17 | 珠海格力电器股份有限公司 | Motor cooling structure, motor cooling control method thereof and vehicle |
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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 |
Granted publication date: 20141231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |