CN105698421B - A kind of mating high/low temperature oil cooling machine of traction electric machine test - Google Patents
A kind of mating high/low temperature oil cooling machine of traction electric machine test Download PDFInfo
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- CN105698421B CN105698421B CN201510180793.4A CN201510180793A CN105698421B CN 105698421 B CN105698421 B CN 105698421B CN 201510180793 A CN201510180793 A CN 201510180793A CN 105698421 B CN105698421 B CN 105698421B
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Abstract
The present invention relates to a kind of matching used high/low temperature oil cooling machines of traction electric machine test experiments, especially it can simulate high temperature, low temperature is to electric motor starting, motor expands with heat and contract with cold, electrical-coil resistance value, motor greasy property, motor durability degree, the influence of motor radiating, to grasp the performance that traction electric machine is run under actual condition, operational order is sent out to oil cooling machine by host computer, it can accurately insure that temperature, flow, pressure reaches the requirement of instruction, thus the duty parameter preferably needed for simulation test, obtain the data of traction electric machine in actual use, support in data is provided the improvement of motor, as long as user is familiar with the operation of host computer, the accurate simulation operating mode of energy, also achieve the convenience and comfort of user's operation.
Description
Technical field
The present invention relates to a kind of matching used high/low temperature oil cooling machines of traction electric machine test experiments, and especially it can simulate height
Temperature, low temperature expand with heat and contract with cold to electric motor starting, motor, electrical-coil resistance value, motor greasy property, motor durability degree, motor dissipate
The influence of heat, to grasp the performance that traction electric machine is run under actual condition.
Background technology
The mating oil cooling machine of traction electric machine test experiments is all room temperature oil cooling machine at present, this cannot meet experiment itself for
The requirement of temperature change, to which the working condition and property of motor of the traction electric machine under high temperature or worst cold case can not be obtained
It can curve.Defect existing for current production：1. high temperature, low temperature can not be simulated；2. flow can only be adjusted manually, it also can not be accurately
Output flow；3. the pressure of motor entrance can not be detected accurately.
Invention content
In view of the foregoing drawbacks and problem, the present invention provides one kind sending out operational order, energy by host computer to oil cooling machine
Accurately insure that temperature, flow, pressure reach the requirement of instruction, so that the duty parameter preferably needed for simulation test, obtains
The data of traction electric machine in actual use provide the support in data to the improvement of motor, as long as user is familiar upper
The operation of machine, the accurate simulation operating mode of energy, realizes the convenience and comfort of user's operation.
A kind of mating high/low temperature oil cooling machine of traction electric machine test, when traction electric machine is tested, accurately control is oily according to demand
Cold exports high and low temperature, flow and pressure, it is by refrigeration system, water circuit system, internal circulation system, external circulating system group
At；The refrigeration system is made of critical piece and auxiliary；The critical piece includes：Compressor 1, air-cooled condenser 2, throttling
Device 4 and plate heat exchanger 5；The auxiliary includes：Fluid reservoir 3 and gas-liquid separator 6；The refrigeration unit water circuit system packet
It includes：Plate heat exchanger 5, centrifugal pump A7 and fuel tank A8；Exchange heat with refrigeration system by plate heat exchanger, water circuit system to
Low-temperature receiver is obtained, fuel tank A8 is conveyed and be stored by centrifugal pump A7, and and fuel tank is perceived by the temperature sensor T in fuel tank A8
Interior temperature change, uploads in PLC controller, controls the output power by adjusting compressor by PLC controller, makes fuel tank
The temperature of A controls the temperature range at 5 DEG C ± 1 DEG C always, and internal circulation system includes：Fuel tank A8, circulating pump 9, blender 10, oil
Case B11 and heating device 12；External circulating system is made of fuel tank B11, variable frequency pump C13, pump D14, tested traction electric machine 15,
When being exported with adjustment equipment equipped with flow sensor M, pressure sensor P for being accurately controlled on variable frequency pump C13 outlet conduits
Flow, pressure.
Preferably, Quick temperature adjustment is to the temperature value needed, and when needing temperature high, heating device 12 opens work
Make, when needing temperature low, medium in fuel tank B11 is transported to by fuel tank A by circulating pump 9, with the knot of fuel tank A sealing containers
Structure designs, and the low-temperature receiver medium of fuel tank A is transported to fuel tank B11, and the variation inside fuel tank B11 is detected by temperature sensor T, on
Temperature controller is reached, by temperature controller by the size of 9 flow of circulating pump, to control the temperature of fuel tank B11.
Preferably, pumpback function installs pump D14 additional, oil can be accelerated to return to fuel tank B, in order to avoid flood the air gap of motor, when being
When system is shut down, pump D delays are shut down, and the oil in tested motor is all drawn back system, vital work is played to electric motor protecting
With.
Preferably, fuel tank A has pressure resistance and sealing performance, easily can dismantle and clean.
The main points of the present invention：
1. tested motor high temperature, cold-starting can be simulated
2. the eccentric shape that tested motor is produced in process of expansion and contraction because the operation component coefficient of expansion is unbalanced can be simulated
Vibration parameters in state and resulting dynamic balancing and operation
3. the variation of tested motor running gear friction coefficient in hot contraction can be simulated, resulting output work
Rate changes
4. tested motor can be simulated using different oils under different temperatures operating condition, the difference of lubricant effect
5. tested motor can be simulated under different temperatures operating condition, coil resistance changes and it is to motor
The influence of energy
6. tested motor can be simulated under different temperatures operating condition, each position febrile state of motor and thermal balance performance,
For improving motor radiating design.
7. oil cooling function persistently provides the condition of testing fatigue
8. oil cooling function is precisely controlled the output of flow and pressure
Description of the drawings
Attached drawing is the structure chart of entire oil cooling machine, whole system by refrigeration unit fluorine road system, refrigeration unit water circuit system,
Interior cycle, outer circulation are constituted
The roads refrigeration unit Zhong Fu system includes in attached drawing：1, compressor, 2, air-cooled condenser, 3, fluid reservoir, 4, throttling dress
It sets, 5, plate heat exchanger, 6, gas-liquid separator
The water circuit system of refrigeration unit includes in attached drawing：5, plate heat exchanger, 7 centrifugal pump A, 8, fuel tank A
Interior cycle includes in attached drawing：8, fuel tank A, 9, circulating pump, 10, blender, 11, fuel tank B, 12, heating device
Outer circulation includes in attached drawing：11, fuel tank B, 13, variable frequency pump C, 14, pump D, 15, tested traction electric machine,
T, temperature sensor in attached drawing, P, pressure sensor, L, liquid level sensor, M, flow sensor.
Specific implementation mode
In conjunction with attached drawing, the invention will be further described
The present invention provides a kind of traction electric machine test mating high/low temperature oil cooling machine, which is characterized in that when traction electric machine is tested,
Accurately control oil cooling machine output high and low temperature, flow and pressure according to demand, it be by refrigeration system, it is water circuit system, interior
The circulatory system, external circulating system composition；The refrigeration system is made of critical piece and auxiliary；The critical piece includes：Pressure
Contracting machine 1, air-cooled condenser 2, throttling set 4 and plate heat exchanger 5；The auxiliary includes：Fluid reservoir 3 and gas-liquid separator 6；Institute
Stating refrigeration unit water circuit system includes：Plate heat exchanger 5, centrifugal pump A7 and fuel tank A8；Pass through plate heat exchanger and refrigeration system
Heat is exchanged, water circuit system conveys by centrifugal pump A7 and be stored into fuel tank A8, and and by fuel tank A8 to obtain low-temperature receiver
Temperature sensor T perception fuel tank in temperature change, upload in PLC controller, controlled by adjusting pressure by PLC controller
The output power of contracting machine, makes the temperature of fuel tank A control the temperature range at 5 DEG C ± 1 DEG C always, and internal circulation system includes：Fuel tank
A8, circulating pump 9, blender 10, fuel tank B11 and heating device 12；External circulating system is by fuel tank B11, variable frequency pump C13, pump
D14, tested traction electric machine 15 form, equipped with flow sensor M, pressure sensor P for essence on variable frequency pump C13 outlet conduits
Flow when being exported with adjustment equipment, pressure are controlled accurately.
Further, in the present embodiment, Quick temperature adjustment is to the temperature value needed, when needing temperature high,
Heating device 12 opens work and medium in fuel tank B11 is transported to fuel tank A by circulating pump 9 when needing temperature low, uses
The low-temperature receiver medium of fuel tank A is transported to fuel tank B11 by the structure design of fuel tank A sealing containers, is detected by temperature sensor (T)
Variation inside fuel tank B11, is uploaded to temperature controller, by temperature controller by the size of 9 flow of circulating pump, to control oil
The temperature of case B11.
Further, in the present embodiment, pumpback function installs pump D14 additional, oil can be accelerated to return to fuel tank B, in order to avoid flood
The air gap of motor, when system-down, pump D delays are shut down, and the oil in tested motor is all drawn back system, is risen to electric motor protecting
To vital effect.
Further, in the present embodiment, fuel tank A has pressure resistance and sealing performance, easily can dismantle and clean.
Wherein：
1. refrigeration unit：The refrigeration unit fluorine road system of this system is by compressor 1, air-cooled condenser 2, throttling set 4, plate
The refrigeration system of the critical pieces such as formula heat exchanger 5, the corresponding auxiliary composition such as fluid reservoir 3, gas-liquid separator 6 provides for whole equipment
Constant low-temperature receiver, and by the temperature change in the temperature sensor T perception fuel tanks in fuel tank A8, upload in PLC controller, by
PLC controller controls the output power by adjusting compressor, and the temperature of fuel tank A is made to be controlled always in lower temperature range.
Freeze within ranging from 5 DEG C ± 1 DEG C of the temperature control of fuel tank, its temperature value can be set by host computer or manually.
2. internal circulation system：Fuel tank A8 is connected by centrifugal pump A7 and pipeline with fuel tank B11.Fuel tank B11 is by stainless steel
At it is made of temperature sensor T, liquid level sensor L, blender 10, heating device 12 etc..Fuel tank B11 passes through temperature sensing
Variation inside device T detections, is uploaded to temperature controller, passes through the big of 9 flow of Frequency Converter Control circulating pump by temperature controller
It is small, to control the temperature of fuel tank B11.Fuel tank B11 passes through centrifugal pump C13 and tested traction electric machine 15.
3. centrifugal pump C13：Using high temperature resistant type, pressure, pressure type selecting (normality according to different needs：0.2~
0.5MP, 2~20L/min).Centrifugal pump C outlet installation flow sensors and pressure sensor, by frequency converter according to flow sensing
Device data and host computer arrange parameter control oil pump rotating speed, it is accurate to adjust oil pump output flow.
4. pumping D14：Using high temperature resistant type, its high temperature resistance is good, resistance to dry tap, and self-suction is strong.Centrifugal pump D is by frequency converter control
System, it controls its flow according to the output flow of centrifugal pump C, ensures that motor input is slightly less than output flow.
5. temperature-controlling system：For the temperature of each temperature control point, including fuel tank A temperature, fuel tank B temperature, motor temperature,
Returning-oil temperature etc..Temperature-controlling system carries out temperature data acquisition using PT100 sheath temperature sensors, and is made using mountain force controller
For temperature controller, each node of total system is carried out temperature automatically controlled.
6. controller：Using SIEMENS PLC intelligent controller, Chinese display, modular operation interface；It can be various to equipment
Parameter carries out Intellisense, operation, adjusting.Fuel tank A temperature, fuel tank B temperature can be set simultaneously, output flow is set, monitoring is defeated
Go out pressure；Running temperature operation program can be worked out；It can storage temperature, flow, pressure curve.For state aware, control device
Start-stop stops, control links, controls ancillary equipment function etc., including liquid level sensor, blender etc..Two kinds of works are realized by controller
The switching of operation mode.
7. communication：Whole system is linked using RS485 communications with host computer, realizes remote control.Equipment can be ordered by RS485
It enables to functions such as system set point temperature, standby/operation selection, temperature inquiries.
8. safe early warning：To ensure equipment safety operation, all kinds of safety pre-warning systems, high/low temperature compressor are housed in system
The early warnings such as overheating protection, high-low pressure protection, high water tank early warning, height (110 DEG C~120 DEG C), low temperature early warning, resultant fault
Alarm etc..
Claims (4)
1. a kind of traction electric machine tests mating high/low temperature oil cooling machine, which is characterized in that when traction electric machine is tested, according to demand precisely
Control oil cooling machine output high and low temperature, flow and pressure, it is by refrigeration system, and water circuit system, follows at internal circulation system outside
Loop system forms；The refrigeration system is made of critical piece and auxiliary；The critical piece includes：It is compressor (1), air-cooled cold
Condenser (2), throttling set (4) and plate heat exchanger (5)；The auxiliary includes：Fluid reservoir (3) and gas-liquid separator (6)；It is described
Refrigeration unit water circuit system includes：Plate heat exchanger (5), centrifugal pump A (7) and fuel tank A (8)；Pass through plate heat exchanger and refrigeration
Systems exchange heat, water circuit system is to obtain low-temperature receiver, by pumping A (7) conveyings and being stored into fuel tank A (8), and and by fuel tank
The temperature change in temperature sensor (T) perception fuel tank in A (8), uploads in PLC controller, is controlled by PLC controller logical
The output power of the whole compressor of toning makes the temperature of fuel tank A control the temperature range at 5 DEG C ± 1 DEG C, internal circulation system packet always
It includes：Fuel tank A (8), circulating pump (9), blender (10), fuel tank B (11) and heating device (12)；External circulating system is by fuel tank B
(11), variable frequency pump C (13), pump D (14), tested traction electric machine (15) form, and flow is housed on variable frequency pump C (13) outlet conduit
Sensor (M), pressure sensor (P) are used to be accurately controlled flow when exporting with adjustment equipment, pressure.
2. traction electric machine according to claim 1 tests mating high/low temperature oil cooling machine, which is characterized in that Quick temperature adjustment
To the temperature value of needs, when needing temperature high, heating device (12) opens work, when needing temperature low, by following
Fuel tank B (11) interior medium is transported to fuel tank A by ring pump (9), with the structure design of fuel tank A sealing containers, by the low-temperature receiver of fuel tank A
Medium is transported to fuel tank B (11), detects the internal variations of fuel tank B (11) by temperature sensor (T), is uploaded to temperature control
Device, by temperature controller by the size of circulating pump (9) flow, to control the temperature of (11) fuel tank B.
3. traction electric machine according to claim 1 tests mating high/low temperature oil cooling machine, which is characterized in that pumpback function adds
Armored pump D (14), can accelerate oil to return to fuel tank B, in order to avoid flooding the air gap of motor, when system-down, pump D delays are shut down, will
Oil in tested motor all draws back system, plays the role of to electric motor protecting vital.
4. traction electric machine according to claim 1 tests mating high/low temperature oil cooling machine, which is characterized in that fuel tank A has resistance to
Pressure and sealing performance, easily can dismantle and clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180793.4A CN105698421B (en) | 2015-04-17 | 2015-04-17 | A kind of mating high/low temperature oil cooling machine of traction electric machine test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510180793.4A CN105698421B (en) | 2015-04-17 | 2015-04-17 | A kind of mating high/low temperature oil cooling machine of traction electric machine test |
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| Publication Number | Publication Date |
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| CN105698421A CN105698421A (en) | 2016-06-22 |
| CN105698421B true CN105698421B (en) | 2018-10-19 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106196669B (en) * | 2016-08-31 | 2019-01-01 | 中山市汇丰机电科技有限公司 | A kind of double loop oil cooling machine |
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|---|---|---|---|---|
| US5441099A (en) * | 1993-08-23 | 1995-08-15 | Ford Motor Company | Method and apparatus for forcibly cooling components of an automotive vehicle prior to emission tesing |
| TW567927U (en) * | 2001-10-23 | 2003-12-21 | Bang-Fu Chen | Control device for cooling system of machinery |
| CN2681050Y (en) * | 2004-02-05 | 2005-02-23 | 徐月明 | Dynamic thermostatic circulating device with wide temperature range |
| CN1737523A (en) * | 2004-08-17 | 2006-02-22 | 天津市天派工业自动化技术有限公司 | Test bench for automatic gear box control valve of automobile |
| CN101219403A (en) * | 2007-10-17 | 2008-07-16 | 上海电力学院 | Liquid cooling cooling-down type thermostatic bath system and intelligent temperature control method |
| CN101603621A (en) * | 2009-07-06 | 2009-12-16 | 昆山鼎鑫电子有限公司 | A kind of liquid cooling system for device |
| CN101890656A (en) * | 2010-08-20 | 2010-11-24 | 三河市同飞制冷设备有限公司 | Oil cooler special for reduction gearbox of numerical control machine tool |
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| CN105698421A (en) | 2016-06-22 |
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Effective date of registration: 20181128 Address after: 251100 Economic Development Zone of Qihe County, Dezhou City, Shandong Province Patentee after: Shandong Linggong New Energy Technology Co., Ltd. Address before: 101306 No. 8 Fuqian Street, Tunzhen Town, Longwan District, Shunyi District, Beijing Patentee before: BEIJING LING GONG TECHNOLOGY CO., LTD. |
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