CN215576309U - Oil temperature machine for testing new energy motor - Google Patents
Oil temperature machine for testing new energy motor Download PDFInfo
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- CN215576309U CN215576309U CN202122141735.4U CN202122141735U CN215576309U CN 215576309 U CN215576309 U CN 215576309U CN 202122141735 U CN202122141735 U CN 202122141735U CN 215576309 U CN215576309 U CN 215576309U
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Abstract
The utility model describes an oil temperature machine for testing a new energy motor, which is connected with the new energy motor and comprises a controller, a cold circulation system and a heat circulation system, wherein the cold circulation system comprises: a first stage cooling unit; a second stage cooling unit; the heat cycle system includes: an oil storage tank; the heating circulation channel is connected with the cold circulation system through a cold and hot system heat exchange plate; the controller reads the temperature fed back by the mouth-feel thermometer and controls the oil temperature by controlling the heat productivity of the heater; and the oil outlet flow control unit is used for reading the oil outlet amount fed back by the outlet flowmeter and controlling the oil outlet amount by controlling the frequency of the circulating pump of the system and the opening and closing degree of the outlet proportional three-way valve. Therefore, the oil temperature machine can test the new energy motor under constant temperature and constant current.
Description
Technical Field
The utility model generally designs an oil temperature machine for testing a new energy motor.
Background
With the vigorous promotion of new energy automobiles in China, various new energy motors are developed by various large manufacturers. In order to better understand various performance indexes of the motor, a manufacturer establishes a special laboratory which is responsible for testing the new energy motor, but the additional investment of the manufacturer is increased.
Therefore, a special oil temperature machine capable of testing the new energy motor needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of the above conventional situation, an object of the present invention is to provide an oil temperature measuring device capable of measuring a new energy motor at a constant temperature and a constant current.
For this purpose, the utility model provides an oil temperature testing machine for a new energy motor, which is connected with the new energy motor (4), and comprises a controller, a cold circulation system (1) and a hot circulation system (2), wherein the cold circulation system (1) comprises: the first-stage cooling unit (10) comprises a first cooling circulation channel (110) for circulating and flowing a refrigerant, a compressor (120) which is connected to the first cooling circulation channel (110) in series and is used for driving the refrigerant to move in the first cooling circulation channel (110), and a condenser (130) which is connected to the first cooling circulation channel (110) in series; the secondary cooling unit (20) comprises a second cooling circulation channel (210) for the refrigerant to circularly flow, a cold water storage tank (220) and a cold water tank temperature sensor (230) which is arranged on the cold water storage tank (220) and is used for sensing the water temperature of the cold water storage tank (220), the secondary cooling unit (20) is communicated with the primary cooling unit (10) through an evaporator (30) and exchanges energy, and the temperature value sensed by the cold water tank temperature sensor (230) is fed back to the controller, so that the controller controls the running state of the primary cooling unit (10), and the temperature of the cold water storage tank (220) reaches a preset range value; the heat cycle system (2) comprises: an oil reservoir (40); the heating circulating channel (50), the heating circulating channel (50) is connected with the second-stage cooling unit (20) through a cold-hot system heat exchange plate (3); the oil outlet temperature control unit (60) comprises a heater (610) which is connected in series on the heating circulation channel (50) and is used for heating liquid, and an outlet temperature sensor (620) which is arranged at the output end of the heater (610) and is used for sensing the temperature of the liquid, wherein the controller reads the temperature fed back by the mouth feeling temperature sensor (620) and controls the oil temperature by controlling the heat productivity of the heater (610); and the oil outlet flow control unit (70) comprises a system circulating pump (710) which is connected in series on the heating circulating channel (50) and used for driving liquid to move in the heating circulating channel (50), an outlet proportional three-way valve (720) which is arranged at the output end of the heater (610), the first input end of the oil storage tank (40) and the new energy motor (4), and an outlet flow meter (730) which is arranged between the outlet proportional three-way valve (720) and the new energy motor (4), wherein the controller reads the oil outlet amount fed back by the outlet flow meter (730) and controls the oil outlet amount by controlling the frequency of the system circulating pump (710) and the opening and closing degree of the outlet proportional three-way valve (720).
In the utility model, the cooling and temperature reduction control is carried out on the refrigerant in the cold circulation system (the first cooling unit and the second-stage cooling unit), the oil outlet temperature is controlled by the oil outlet temperature control unit in the heat circulation system, and the oil outlet flow is controlled by the oil outlet flow control unit in the heat circulation system, so that the oil temperature machine can test the new energy motor under constant temperature and constant flow.
In addition, in the oil temperature machine according to the present invention, optionally, the second-stage cooling unit (20) further includes a cooling three-way valve (240), the cooling three-way valve (240) is respectively connected to the evaporator (30), the cold water storage tank (220), and the cold and heat system heat exchange plate (3) through three valve ports, and the controller reads the temperature fed back by the taste temperature sensor (620), and controls the oil temperature by controlling the opening degree of the cooling three-way valve (240) and the heat generation amount of the heater (610). Thus, the oil temperature can be controlled more accurately by controlling the degree of opening and closing of the cooling three-way valve (240).
In addition, in the oil temperature machine according to the present invention, optionally, the first-stage cooling unit (10) further includes a dry filter (140), a refrigerant low pressure gauge (150), a refrigerant high pressure gauge (160), and an expansion valve (170), the refrigerant low pressure gauge (150) is disposed at an input end of the compressor (120), the refrigerant high pressure gauge (160) is disposed between an output end of the compressor (120) and an input end of the condenser (130), and the dry filter (140) and the expansion valve (170) are sequentially connected in series to the first cooling circulation passage (110) and are disposed between the condenser (130) and the evaporator (30). In this case, the desiccant filter (140) can remove moisture from the refrigerant, the refrigerant low pressure gauge (150) and the refrigerant high pressure gauge (160) can detect the pressure values of the refrigerant at a low pressure and a high pressure, respectively, and the expansion valve (170) can promote the flow of the refrigerant.
In addition, in the oil temperature machine according to the present invention, optionally, the first-stage cooling unit (10) further includes an outer rotor fan (180) provided in the condenser (130). This can further accelerate cooling of the refrigerant.
In addition, in the oil temperature machine according to the present invention, optionally, the second-stage cooling unit (20) further includes a cold water tank drain valve (250), a cold water drive pump (260), and a cold water supplement valve (270), and the cold water drive pump (260) is disposed between the cold water tank (220) and the evaporator (30). In this case, the cold water driving pump (260) can promote the refrigerant to circularly flow in the second cooling circulation passage (210), the cold water tank drain valve (250) can facilitate water drainage, and the cold water replenishing valve (270) can facilitate water replenishment.
In the oil temperature controller according to the present invention, the oil outlet temperature control means (60) may further include a case temperature sensor (630) provided to the heater (610). Thus, the shell temperature of the heater (610) can be detected conveniently.
In addition, in the oil temperature machine according to the present invention, the oil outflow control unit (70) may further include an outlet pressure sensor (740) and an outlet ball valve (750), wherein the outlet pressure sensor (740) is disposed between the outlet proportional three-way valve (720) and the outlet flow meter (730), and the outlet ball valve (750) is disposed at an outlet position where the outlet proportional three-way valve (720) outputs the liquid to the new energy motor. Therefore, the outlet oil flow can be more conveniently controlled.
In addition, in the oil temperature machine according to the present invention, optionally, the heat cycle system (2) further includes an oil return unit (80), the oil return unit (80) is disposed between the oil storage tank (40) and the new energy motor (4), the oil return unit (80) includes an inlet ball valve (810), an oil pump (820) and an inlet temperature sensor (830), the inlet ball valve (810) and the oil pump (820) are sequentially connected in series between the new energy motor (4) and the oil storage tank (40), and the inlet temperature sensor (830) is disposed at an inlet of the oil storage tank (40). Therefore, oil can be conveniently returned from the new energy motor.
In the oil temperature machine according to the present invention, a level switch (41) may be provided in the oil reservoir (40). Therefore, the oil outlet flow can be conveniently controlled.
In addition, in the oil temperature machine according to the present invention, optionally, the controller exchanges energy with the heat cycle system (2) by using the heat exchange plate (3) of the cooling system by controlling the opening degree of the cooling three-way valve (240). Therefore, the cold circulation system (1) and the hot circulation system (2) can exchange energy conveniently.
In the utility model, the cooling and temperature reduction control is carried out on the refrigerant in the cold circulation system (the first cooling unit and the second-stage cooling unit), the oil outlet temperature is controlled by the oil outlet temperature control unit in the heat circulation system, and the oil outlet flow is controlled by the oil outlet flow control unit in the heat circulation system, so that the oil temperature machine can test the new energy motor under constant temperature and constant flow.
Drawings
Embodiments of the utility model will now be explained in further detail, by way of example only, with reference to the accompanying drawings, in which:
fig. 1 is a functional block diagram showing an oil temperature measuring machine for a new energy motor according to embodiment 1 of the present invention.
Fig. 2 is a functional block diagram showing an oil temperature measuring machine for testing a new energy motor according to embodiment 2 of the present invention.
Fig. 3 is a schematic diagram showing a specific configuration of an oil temperature measuring machine for testing a new energy motor according to embodiment 1 of the present invention.
Description of the symbols:
1 … cold circulation system, 2 … hot circulation system, 3 … cold and hot system heat exchange plate, 4 … new energy motor, 10 … first stage cooling unit, 20 … second stage cooling unit, 30 … evaporator, 40 … oil storage tank, 41 … liquid level switch, 50 … heating circulation channel, 60 … oil outlet temperature control unit, 70 … oil outlet flow control unit, 80 … oil return unit, 110 … first cooling circulation channel, 120 … compressor, 130 … condenser, 140 … drying filter, 150 … refrigerant low pressure meter, 160 … refrigerant high pressure meter, 170 … expansion valve, 210 … second cooling circulation channel, 220 … cold water storage tank, 230 … cold water tank temperature-sensing device, 250 … cold water tank drain valve, 260 … driving pump, 270 … cold water-supplementing valve, 610 … heater, 620 … outlet device, 630 temperature-sensing 630 … shell device, 710 … system temperature-sensing three-way valve, 720 … proportional three-way valve, 730 … outlet flow meter, 740 … outlet pressure sensor, 750 … outlet ball valve, 810 … inlet ball valve, 820 … oil pump, 830 … inlet temperature sensor.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, the same components are denoted by the same reference numerals, and redundant description thereof is omitted. The drawings are schematic and the ratio of the dimensions of the components and the shapes of the components may be different from the actual ones.
Fig. 1 is a functional block diagram showing an oil temperature measuring machine for a new energy motor according to embodiment 1 of the present invention.
Referring to fig. 1, the oil temperature tester for testing the new energy motor (hereinafter, referred to as the oil temperature tester) according to the present invention may be connected to the new energy motor 4 to test characteristics of the new energy motor 4. The oil temperature machine may include a cold circulation system 1 and a hot circulation system 2, and the cold circulation system 1 and the hot circulation system 2 may exchange energy through a cold and hot system heat exchange plate 3.
In the present embodiment, the cold circulation system 1 and the hot circulation system 2 can exchange heat through the cold-hot system heat exchange plate 3. For example, the cold circulation system 1 may exchange heat through the cold and hot system heat exchange plates 3 to control the temperature of the hot circulation system 2.
Fig. 2 is a functional block diagram showing an oil temperature measuring machine for testing a new energy motor according to embodiment 2 of the present invention.
Referring to fig. 2, in the present embodiment, the cold circulation system 1 may include a first cooling unit 10 and a second cooling unit 20. The heat cycle system 2 may include an oil reservoir 40, a heating cycle passage 50, an oil outlet temperature control unit 60, and an oil outlet flow control unit 70. The discharge temperature control unit 60 and the discharge flow rate control unit 70 may be connected in series to the heating circulation passage 50 and connected to the oil reservoir 40.
In this case, the oil temperature controller is capable of testing the new energy motor 4 at a constant temperature and a constant current by controlling cooling and temperature reduction of the refrigerant in the cold cycle system 1 (including the first cooling unit 10 and the second stage cooling unit 20), controlling the oil discharge temperature by the oil discharge temperature control unit 60 in the heat cycle system 2, and controlling the oil discharge flow rate by the oil discharge flow rate control unit 70 in the heat cycle system 2.
In some examples, the first cooling unit 10 and the second cooling unit 20 may exchange energy through an evaporator (30). In some examples, the first cooling unit 10 and the second cooling unit 20 may exchange heat through an evaporator (30).
In some examples, the thermal cycle system 2 may include an oil return unit 80. In this case, oil can be returned from the new energy motor 4, and the oil can be recycled.
Fig. 3 is a schematic diagram showing a specific configuration of an oil temperature measuring machine for testing a new energy motor according to embodiment 1 of the present invention.
Refer to fig. 3.
In the present embodiment, the cold circulation system 1 may include a first-stage cooling unit 10 and a second-stage cooling unit 20.
The first-stage cooling unit 10 may include a first cooling circulation passage 110 through which a refrigerant circulates, a compressor 120 connected in series to the first cooling circulation passage 110 and driving the refrigerant to move in the first cooling circulation passage 110, and a condenser 130 connected in series to the first cooling circulation passage 110. The compressor 120 may be disposed at the input of the condenser 130.
The second-stage cooling unit 20 may include a second cooling circulation passage 210 through which a refrigerant circulates, a cold water storage tank 220, and a cold water tank temperature sensor 230 disposed on the cold water storage tank 220 and sensing a temperature of the cold water storage tank 220. The second stage cooling unit 20 may communicate with the first stage cooling unit 10 through the evaporator 30 and exchange energy.
The second-stage cooling unit 20 may feed back the temperature value sensed by the cold water tank temperature sensor 230 to the controller, so that the controller controls the operation state of the first-stage cooling unit 10, and the temperature of the cold water storage tank 220 reaches a preset range value. The operation state may include operation and stop operation. For example, when the temperature value sensed by the cold water tank temperature sensor 230 is too high, the controller may control the first stage cooling unit 10 to continue to operate, and cool the refrigerant, so that the refrigerant in the second cooling circulation channel 210 reaches a predetermined range value; when the temperature sensed by the cold water tank temperature sensor 230 is a proper temperature, the controller may control the first-stage cooling unit 10 to stop operating.
In the present embodiment, the heat cycle system 2 may include an oil reservoir 40, a heating cycle passage 50, an oil outlet temperature control unit 60, and an oil outlet flow rate control unit 70. The heating circulation passage 50 may be connected to the second-stage cooling unit 20 through the cold-hot system heat exchange plate 3.
In the present embodiment, the oil outlet temperature control unit 60 may include a heater 610 connected in series to the heating circulation passage 50 for heating the liquid, and an outlet temperature sensor 620 provided at an output end of the heater 610 for sensing a temperature of the liquid.
The controller may read the temperature fed back by the outlet temperature sensor 620, and control the oil temperature by controlling the heat generation amount of the heater 610. Thus, the oil temperature can be accurately controlled by controlling the amount of heat generated by heater 610.
In the present embodiment, the oil outflow control unit 70 may include a system circulation pump 710, an outlet proportional three-way valve 720, and an outlet flow meter 730. Specifically, the oil outflow control unit 70 may include a system circulation pump 710 connected in series to the heating circulation passage 50 for driving the liquid to move in the heating circulation passage 50, an outlet proportional three-way valve 720 provided between the output of the heater 610, the first input of the oil reservoir 40, and the new energy motor 4, and an outlet flow meter 730 provided between the outlet proportional three-way valve 720 and the new energy motor 4.
The controller can read the oil output fed back by the outlet flow meter 730 and control the oil output by controlling the frequency of the system circulation pump 710 and the opening degree of the outlet proportional three-way valve 720. Thus, the oil outlet flow rate is accurately controlled by controlling the operating frequency of the system circulation pump 710 and the opening degree of the outlet proportional three-way valve 720 (for example, the opening degree of the second output end of the outlet proportional three-way valve 720 may be controlled).
Specifically, the system circulation pump 710 and the heater 610 may be sequentially connected in series between the heat exchange plate 3 of the cooling and heating system and the input end of the outlet proportional three-way valve 720, the first output end of the outlet proportional three-way valve 720 is connected with the first input end of the oil storage tank 40, and the second output end of the outlet proportional three-way valve 720 is connected with the new energy motor 4.
In this embodiment, the second-stage cooling unit 20 further includes a cooling three-way valve 240, the cooling three-way valve 240 is respectively connected to the evaporator 30, the cold water storage tank 220 and the cold and heat system heat exchange plate 3 through three valve ports, and the controller reads the temperature fed back by the mouth warmer 620 and controls the oil temperature by controlling the opening degree of the cooling three-way valve 240 and the heat generated by the heater 610. This enables the oil temperature to be controlled more accurately by controlling the opening/closing degree of the cooling three-way valve 240.
In this embodiment, the first-stage cooling unit 10 further includes a dry filter 140, a refrigerant low pressure gauge 150, a refrigerant high pressure gauge 160, and an expansion valve 170, wherein the refrigerant low pressure gauge 150 is disposed at an input end of the compressor 120, the refrigerant high pressure gauge 160 is disposed between an output end of the compressor 120 and an input end of the condenser 130, and the dry filter 140 and the expansion valve 170 are sequentially connected in series to the first cooling circulation passage 110 and disposed between the condenser 130 and the evaporator 30. In this case, the desiccant filter 140 may remove moisture from the refrigerant, the refrigerant low pressure gauge 150 and the refrigerant high pressure gauge 160 may detect pressure values of the refrigerant at a low pressure and a high pressure, respectively, and the expansion valve 170 may promote the flow of the refrigerant.
In this case, the low-pressure refrigerant flowing through the refrigerant low-pressure gauge 150 is driven and compressed by the compressor 120 into a high-pressure refrigerant, and then flows through the refrigerant high-pressure gauge 160, and then enters the condenser 130 to condense and cool the refrigerant, and the cooled refrigerant further flows through the filter drier 1 to remove moisture in the refrigerant, and further flows to the expansion valve 7, and the refrigerant on the high-pressure side flows to the low-pressure side by opening the expansion valve, thereby promoting cooling and circulation of the refrigerant in the first cooling circulation passage 110.
In some examples, the first stage cooling unit 10 further includes an outer rotor fan 180 disposed at the condenser 130. This can further accelerate cooling of the refrigerant.
In some examples, the second stage cooling unit 20 further includes a cold water tank drain valve 250, a cold water drive pump 260, and a cold water refill valve 270, the cold water drive pump 260 being disposed between the cold water storage tank 220 and the evaporator 30. In this case, the cold water driving pump 260 may promote the refrigerant to circulate in the second cooling circulation passage 210, the cold water tank drain valve 250 may facilitate the drainage of the water, and the cold water replenishing valve 270 may facilitate the replenishment of the water.
In some examples, the oil outlet temperature control unit 60 may further include a housing temperature sensor 630 disposed on the heater 610. Therefore, the shell temperature of the heater 610 can be conveniently detected, on one hand, the shell temperature sensor 630 can be conveniently read by a controller so as to read the working temperature of the heater 610, and on the other hand, the heater 610 can be protected from being burnt due to too high working temperature.
In some examples, the outlet flow control unit 70 may further include an outlet pressure sensor 740 and an outlet ball valve 750. An outlet pressure sensor 740 is disposed between the second output end of the outlet proportional three-way valve 720 and the outlet flow meter 730, and an outlet ball valve 750 may be disposed at an outlet position where the outlet proportional three-way valve 720 outputs the liquid to the new energy motor. In this case, the controller can read the hydraulic pressure at the second output end of the outlet proportional three-way valve 720 sensed by the outlet pressure sensor 740, and the outlet oil flow can be more conveniently controlled by controlling the opening and closing degree of the outlet ball valve 750.
In some examples, the liquid may be an oil.
In some examples, the thermal cycle system 2 may also include an oil return unit 80. The oil return unit 80 may be provided between the oil storage tank 40 and the new energy motor 4. The oil return unit 80 may include an inlet ball valve 810, an oil well pump 820, and an inlet temperature sensor 830. The inlet ball valve 810 and the oil pump 820 may be sequentially connected in series between the new energy motor 4 and the second input end of the oil storage tank 40, and the inlet temperature sensor 830 may be disposed at the inlet of the oil storage tank 40 to detect the oil temperature at the inlet. In this case, oil can be returned from the new energy motor by the oil pump, and on the one hand, oil can be circulated in the heating circulation passage 50 by the oil return unit 80, and on the other hand, the balance of the amount of oil in the new energy motor 4 can be achieved by controlling the frequency of the oil pump 820.
In some examples, a level switch 41 is provided on the reservoir tank 40. Therefore, the oil outlet flow can be conveniently controlled by controlling the liquid level switch 41.
In some examples, the controller exchanges energy with the heat cycle system 2 by controlling the opening degree of the cooling three-way valve 240 and using the cold-heat system heat exchange plate 3. This facilitates the exchange of energy between the cooling cycle system 1 and the heating cycle system 2.
In the present invention, the cooling and temperature reduction of the refrigerant is controlled in the cold cycle system 1 (including the first cooling unit 10 and the second cooling unit 20), the oil outlet temperature is controlled by the oil outlet temperature control unit 60 in the heat cycle system 2, and the oil outlet flow rate is controlled by the oil outlet flow rate control unit 70 in the heat cycle system 2, so that the oil temperature machine can test the new energy motor 4 at a constant temperature and a constant flow.
While the utility model has been specifically described above in connection with the drawings and examples, it will be understood that the above description is not intended to limit the utility model in any way. Those skilled in the art can make modifications and variations to the present invention as needed without departing from the true spirit and scope of the utility model, and such modifications and variations are within the scope of the utility model.
Claims (10)
1. An oil temperature machine for testing a new energy motor is connected with a new energy motor (4) and is characterized by comprising a controller, a cold circulation system (1) and a hot circulation system (2),
the cold circulation system (1) comprises:
the first-stage cooling unit (10) comprises a first cooling circulation channel (110) for circulating and flowing a refrigerant, a compressor (120) which is connected to the first cooling circulation channel (110) in series and is used for driving the refrigerant to move in the first cooling circulation channel (110), and a condenser (130) which is connected to the first cooling circulation channel (110) in series;
the secondary cooling unit (20) comprises a second cooling circulation channel (210) for the refrigerant to circularly flow, a cold water storage tank (220) and a cold water tank temperature sensor (230) which is arranged on the cold water storage tank (220) and is used for sensing the water temperature of the cold water storage tank (220), the secondary cooling unit (20) is communicated with the primary cooling unit (10) through an evaporator (30) and exchanges energy, and the temperature value sensed by the cold water tank temperature sensor (230) is fed back to the controller, so that the controller controls the running state of the primary cooling unit (10), and the temperature of the cold water storage tank (220) reaches a preset range value;
the heat cycle system (2) comprises:
an oil reservoir (40);
a heating circulation passage (50) connected with the second-stage cooling unit (20) through a cold-hot system heat exchange plate (3);
the oil outlet temperature control unit (60) comprises a heater (610) which is connected in series on the heating circulation channel (50) and is used for heating liquid, and an outlet temperature sensor (620) which is arranged at the output end of the heater (610) and is used for sensing the temperature of the liquid, wherein the controller reads the temperature fed back by the mouth feeling temperature sensor (620) and controls the oil temperature by controlling the heat productivity of the heater (610); and
the oil outlet flow control unit (70) comprises a system circulating pump (710) which is connected in series on a heating circulating channel (50) and used for driving liquid to move in the heating circulating channel (50), an outlet proportional three-way valve (720) which is arranged at the output end of the heater (610), the first input end of the oil storage tank (40) and the new energy motor (4) and an outlet flow meter (730) which is arranged between the outlet proportional three-way valve (720) and the new energy motor (4), wherein the controller reads the liquid flow fed back by the outlet flow meter (730) and controls the frequency of the system circulating pump (710) and the opening and closing degree of the outlet proportional three-way valve (720) to control the oil outlet amount.
2. The oil temperature machine of claim 1,
the second-stage cooling unit (20) further comprises a cooling three-way valve (240), the cooling three-way valve (240) is respectively connected with the evaporator (30), the cold water storage tank (220) and the cold and hot system heat exchange plate (3) through three valve ports, the controller reads the temperature fed back by the taste temperature controller (620), and the oil temperature is controlled by controlling the opening and closing degree of the cooling three-way valve (240) and the heat productivity of the heater (610).
3. The oil temperature machine of claim 1,
the first-stage cooling unit (10) further comprises a drying filter (140), a refrigerant low-pressure meter (150), a refrigerant high-pressure meter (160) and an expansion valve (170), wherein the refrigerant low-pressure meter (150) is arranged at the input end of the compressor (120), the refrigerant high-pressure meter (160) is arranged between the output end of the compressor (120) and the input end of the condenser (130), and the drying filter (140) and the expansion valve (170) are sequentially connected in series on the first cooling circulation channel (110) and arranged between the condenser (130) and the evaporator (30).
4. The oil temperature machine of claim 3,
the first stage cooling unit (10) further includes an outer rotor fan (180) disposed at the condenser (130).
5. The oil temperature machine of claim 1,
the second-stage cooling unit (20) further comprises a cold water tank drain valve (250), a cold water driving pump (260) and a cold water replenishing valve (270), wherein the cold water driving pump (260) is arranged between the cold water storage tank (220) and the evaporator (30).
6. The oil temperature machine of claim 1,
the oil outlet temperature control unit (60) further comprises a casing temperature sensor (630) provided on the heater (610).
7. The oil temperature machine of claim 1,
the oil outlet flow control unit (70) further comprises an outlet pressure sensor (740) and an outlet ball valve (750), the outlet pressure sensor (740) is arranged between the outlet proportional three-way valve (720) and the outlet flow meter (730), and the outlet ball valve (750) is arranged at an outlet position where the outlet proportional three-way valve (720) outputs liquid to the new energy motor.
8. The oil temperature machine of claim 1,
heat-cycle system (2) still include oil return unit (80), oil return unit (80) set up in oil storage tank (40) with between new forms of energy motor (4), oil return unit (80) are including entry ball valve (810), oil-well pump (820) and entry temperature sensor (830), entry ball valve (810) with oil-well pump (820) are established ties in proper order new forms of energy motor (4) with between oil storage tank (40), entry temperature sensor (830) set up the entrance of oil storage tank (40).
9. The oil temperature machine of claim 1,
and a liquid level switch (41) is arranged on the oil storage tank (40).
10. The oil temperature machine of claim 2,
the controller controls the opening degree of the cooling three-way valve (240) and utilizes the heat exchange plate (3) of the cold and hot system to exchange energy with the heat circulation system (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141735.4U CN215576309U (en) | 2021-09-02 | 2021-09-02 | Oil temperature machine for testing new energy motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122141735.4U CN215576309U (en) | 2021-09-02 | 2021-09-02 | Oil temperature machine for testing new energy motor |
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| Publication Number | Publication Date |
|---|---|
| CN215576309U true CN215576309U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122141735.4U Active CN215576309U (en) | 2021-09-02 | 2021-09-02 | Oil temperature machine for testing new energy motor |
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| Country | Link |
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| CN (1) | CN215576309U (en) |
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2021
- 2021-09-02 CN CN202122141735.4U patent/CN215576309U/en active Active
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