CN212113960U - Cooling system and battery scraper - Google Patents
Cooling system and battery scraper Download PDFInfo
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- CN212113960U CN212113960U CN202021208393.2U CN202021208393U CN212113960U CN 212113960 U CN212113960 U CN 212113960U CN 202021208393 U CN202021208393 U CN 202021208393U CN 212113960 U CN212113960 U CN 212113960U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a cooling system and battery scraper belongs to mining equipment technical field. The cooling system of the utility model has the heat exchange mechanism, the conveying unit and the storage tank which are communicated, the conveying unit comprises at least one pump, and the circulating conveying of the refrigerant in the cooling system is realized through the pump, so that the heat exchange mechanism of the cooling unit completes the cooling of the heating element; be provided with temperature sensor on heat exchange mechanism's the cooling outlet pipeline, be provided with the electromagnetic switch valve on the cooling inlet pipeline, the export of pump passes through backflow pipeline and bin intercommunication, is provided with the electromagnetic directional valve on the backflow pipeline, therefore through the cooperation of electromagnetic switch valve and electromagnetic directional valve, can realize the control to the refrigerant flow in the heat exchange mechanism to maintain electric drive system's temperature in stable interval, improved electric drive system's life. The utility model discloses a battery scraper who carries cooling system, its electric drive system operation is stable, therefore battery scraper work efficiency is higher.
Description
Technical Field
The utility model relates to a mining equipment technical field, more specifically say, relate to a cooling system and battery scraper.
Background
In mining operations, scrapers are often used for ore removal, slag tapping, and ore discharge from a lower pass. The scraper is generally divided into a diesel scraper and a battery scraper according to the power type. Wherein, compare in diesel oil scraper, battery scraper can not discharge harmful gas in process of production, also need not set up extra ventilation tunnel, therefore battery scraper's cost is lower, and the environment is more friendly, has more extensive prospect.
For battery scrapers, the electric drive system, including the motor, is the core of the entire scraper, and normal operation of the electric drive system is directly linked to the operating efficiency of the scraper. For example, chinese patent application No. 2017210979008 discloses an electric drive system for an underground scraper, the system including a front drive and a rear drive, the rear drive being located on a rear frame of the scraper, the front drive being located in part on the rear frame of the scraper and in part on a front frame of the scraper; the front driving device comprises a front driving motor, a front transmission shaft assembly and a front axle, the front driving motor is arranged at the front part of the rear frame, the front axle is arranged on the front frame, and the front driving motor transmits power to the front axle through the front transmission shaft assembly; the rear driving device comprises a rear driving motor, a rear hinged transmission shaft and a rear axle, the rear driving motor is installed at the rear part of the rear frame, the rear axle is installed on the rear frame, and the rear driving motor transmits power to the rear axle through the rear hinged transmission shaft.
The electric drive system commonly used in the related art continuously generates heat during operation, which easily causes the electric drive system to have too high temperature and need to be shut down for cooling. To solve this problem, the electric drive system is often cooled by a water cooling system, for example, a conventional constant displacement pump is continuously circulated in the electric drive system at a certain rated flow rate. However, since the pump is continuously rotated, energy is wasted, the service life of the pump is shortened, and it is difficult to maintain the temperature of the electric drive system in a stable interval, so that the electric drive system is more easily damaged.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome among the prior art electric drive system because of its temperature can't maintain in comparatively stable interval and fragile not enough, provide a cooling system. This scheme is through the cooperation of temperature sensor, electromagnetic switch valve and the last electromagnetic directional valve of back flow pipeline, realizes the regulation to refrigerant flow in the heat transfer mechanism to maintain electric drive system's temperature in stable interval.
Another object of the utility model is to provide a battery scraper cools off the piece that generates heat in its electric drive system through cooling system to maintain the operating temperature in the electric drive system in the certain limit, thereby improve battery scraper's work efficiency.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a cooling system for control the temperature in the electric drive system, the electric drive system includes at least one heating element; the cooling system comprises a storage tank, a cooling unit and a conveying unit, wherein the storage tank is used for storing a refrigerant; the cooling unit comprises a heat exchange mechanism for cooling the heating element, an outlet of the heat exchange mechanism is communicated with the storage tank through a cooling outlet pipeline, and a temperature sensor is arranged on the cooling outlet pipeline; the inlet of the conveying unit is communicated with the storage tank, the outlet of the conveying unit is communicated with the inlet of the heat exchange mechanism through a cooling inlet pipeline, and an electromagnetic switch valve is arranged on the cooling inlet pipeline; the conveying unit comprises at least one pump for pumping and conveying the refrigerant, an outlet of the pump is communicated with the storage tank through a return pipeline, and an electromagnetic reversing valve is arranged on the return pipeline.
Furthermore, the heat exchange mechanisms are arranged in a plurality of numbers, and outlets of the conveying units are communicated with cooling inlet pipelines of the heat exchange mechanisms through the shunting mechanisms.
Further, the cooling outlet pipes of the plurality of heat exchange mechanisms are communicated with the storage tank through a confluence mechanism.
Further, a third pressure sensor is arranged on the flow dividing mechanism.
Further, a flow meter is arranged on the cooling outlet pipeline.
Further, the outlet of the pump is communicated with the outlet of the conveying unit through a conveying outlet pipeline, one end of the return pipeline is communicated with the conveying outlet pipeline, and the other end of the return pipeline is communicated with the storage tank.
Furthermore, the pumps are arranged in a plurality, and return pipelines communicated with delivery outlet pipelines of the pumps share one electromagnetic directional valve.
Further, a cooler and/or a flowmeter are/is arranged on the conveying outlet pipeline.
Further, the inlet of the pump is communicated with the inlet of the conveying unit through a conveying inlet pipeline, and a filter and/or a pressure sensor are arranged on the conveying inlet pipeline.
The utility model discloses a battery scraper, including electric drive system and cooling system, cooling system is used for control temperature in the electric drive system, cooling system is foretell cooling system.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the cooling system of the utility model has the heat exchange mechanism, the conveying unit and the storage tank which are communicated, the conveying unit comprises at least one pump, and the circulating conveying of the refrigerant in the cooling system is realized through the pump, so that the heat exchange mechanism of the cooling unit completes the cooling of the heating element; be provided with temperature sensor on heat exchange mechanism's the cooling outlet pipeline, be provided with the electromagnetic switch valve on the cooling inlet pipeline, the export of pump passes through backflow pipeline and bin intercommunication, is provided with the electromagnetic directional valve on the backflow pipeline, therefore through the cooperation of electromagnetic switch valve and electromagnetic directional valve, can realize the control to the refrigerant flow in the heat exchange mechanism to maintain electric drive system's temperature in stable interval, improved electric drive system's life.
(2) The utility model discloses in, heat transfer mechanism sets up to a plurality ofly, the export of conveying unit is linked together through the cooling inlet pipe way of reposition of redundant personnel mechanism with a plurality of heat transfer mechanisms, a plurality of heat transfer mechanisms's cooling outlet pipe way is through confluence mechanism and bin intercommunication, be provided with third pressure sensor in the reposition of redundant personnel mechanism, therefore when the refrigerant is not smooth in the return circuit, third pressure sensor's pressure value lasts and increases, after third pressure sensor's pressure value reaches the maximum threshold value, can close the water pump, prevent that water pump and heat transfer device from taking place to damage because of pressure is too big.
(3) The utility model discloses a battery scraper, including electric drive system and cooling system, cool off through the piece that generates heat in cooling system to its electric drive system to maintain the operating temperature in the electric drive system in the certain limit, avoid scraper to shut down the cooling because of electric drive system high temperature, thereby improve battery scraper's work efficiency greatly.
Drawings
FIG. 1 is a schematic view of a cooling system in embodiment 1;
FIG. 2 is a schematic view of a cooling system in embodiment 2;
fig. 3 is a schematic view of the cooling system according to embodiment 3.
The reference numerals in the schematic drawings illustrate: 100. a storage tank; 101. a liquid level sensor; 111. a first pump; 112. a second pump; 121. a first pump flow meter; 122. a second pump flow meter; 131. a first cooler; 132. a first cooler; 141. a first filter; 142. a second filter; 151. a first pressure sensor; 152. a second pressure sensor; 161. an electromagnetic directional valve; 162. an outlet flow meter; 170. a third pressure sensor; 200. a first motor; 210. a first electromagnetic on-off valve; 220. a first temperature sensor; 230. a first flow meter; 300. a second motor; 310. a second electromagnetic on-off valve; 320. a second temperature sensor; 330. a second flow meter; 400. a second inverter; 410. a third electromagnetic opening/closing valve; 420. a third temperature sensor; 430. a third flow meter; 500. a first inverter; 510. a fourth electromagnetic opening/closing valve; 520. a fourth temperature sensor; 530. and a fourth flow meter.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
With reference to fig. 1 to 3, the present embodiment provides a cooling system configured in a battery scraper and attached to an electric drive system of the battery scraper for controlling a temperature in the electric drive system, specifically, by cooling a heat generating component of the electric drive system, so as to maintain the temperature in the electric drive system in a stable range, specifically, a normal temperature range in which the electric drive system operates. The heating element may be a motor or an inverter, and the motor and the inverter may be devices commonly used in the related art, and the specific structure thereof is not limited.
Referring to fig. 1 to 3, the cooling system of the present embodiment includes a storage tank 100, a cooling unit, and a conveying unit. The storage box 100 is used for storing a refrigerant, and the conveying unit is used for circularly conveying the refrigerant between the storage box 100 and the cooling unit, so that the cooling unit cools the heating element. In the present embodiment, the cooling medium may be cooling water, or a liquid cooling medium commonly used in the related art.
In addition, a liquid level sensor 101 may be provided in the storage tank 100 according to the present embodiment, and the liquid level sensor 101 may measure the amount of the refrigerant remaining in the storage tank 100, and may add the refrigerant to the storage tank 100 when the remaining amount of the refrigerant is too low.
Specifically, the storage tank 100, the cooling unit, and the delivery unit are connected in such a manner that an inlet of the delivery unit communicates with the storage tank 100, an outlet of the delivery unit communicates with an inlet of the cooling unit, and an outlet of the cooling unit communicates with the storage tank 100. It should be noted that the term "communication between two units" or "communication between an inlet and an outlet" in the present embodiment means that a refrigerant can flow between two units or between an inlet and an outlet.
For example, the outlet of the cooling unit is connected to the storage tank 100, which may mean that the outlet of the cooling unit is located in the storage tank 100, and the refrigerant may flow into/drop into the storage tank 100 after flowing out from the outlet of the cooling unit. For another example, the outlet of the conveying unit is communicated with the inlet of the cooling unit, which may mean that the outlet of the conveying unit is connected with the inlet of the cooling unit through a pipeline, and the refrigerant may be conveyed from the outlet of the conveying unit to the inlet of the cooling unit along the pipeline.
The cooling unit comprises a plurality of heat exchange mechanisms, the heat exchange mechanisms are used for realizing heat exchange between the heating piece and a refrigerant in the heat exchange mechanisms, and the heat exchange mechanisms can be gas-liquid heat exchangers. The number of the heat exchange mechanisms is consistent with the number of the heating elements in the electric drive system. The inlet of the heat exchange mechanism is communicated with the outlet of the conveying unit through a cooling inlet pipe, and the outlet of the heat exchange mechanism is communicated with the storage tank 100 through a cooling outlet pipe.
When the heat exchange mechanism is arranged to be one, the cooling inlet pipeline is an inlet of the cooling unit, and the cooling outlet pipeline is an outlet of the cooling unit; when the number of the heat exchange mechanisms is more than two, the cooling inlet pipelines connected with the inlets of all the heat exchange mechanisms form the inlet of the cooling unit together, and the cooling outlet pipelines connected with the outlets of all the heat exchange mechanisms form the outlet of the cooling unit together.
The delivery unit includes at least one pump for pumping and delivering the refrigerant from an inlet of the delivery unit to an outlet of the delivery unit and delivering the refrigerant back to the storage tank 100 through the cooling unit by a pressure difference. In addition, the outlet of the pump is additionally provided with a return line, and is communicated to the storage tank 100 through the return line.
In order to realize the temperature control in the electric drive system, the cooling system of the embodiment may be provided with a temperature sensor on the cooling outlet pipeline for detecting the temperature of the refrigerant in the pipeline; an electromagnetic switch valve can be arranged on the cooling inlet pipeline and used for controlling the increase/decrease of the flow of the refrigerant in the cooling inlet pipeline; a solenoid directional valve may be provided on the return line to control opening/closing of the return line.
The specific temperature control process is that, along with the operation of battery scraper, the piece that generates heat lasts the heat production for the temperature of refrigerant in the cooling outlet pipeline lasts and rises, after the temperature is higher than the minimum temperature between normal temperature intervals, through the flow of the interior refrigerant of electromagnetic switch valve increase cooling inlet pipeline, and close the return line through the electromagnetic directional valve, the pump lasts and carries the refrigerant to heat exchange mechanism in order to cool off the piece that generates heat. After a period of time, if the temperature of the refrigerant in the cooling outlet pipeline is lower than the lowest temperature in the normal temperature interval, the flow rate of the refrigerant in the cooling inlet pipeline is reduced through the electromagnetic switch valve, and the return pipeline is opened through the electromagnetic directional valve, so that redundant refrigerant flows back to the storage tank 100 through the return pipeline; if the temperature of the refrigerant in the cooling outlet pipeline is higher than the highest temperature in the normal temperature range, the battery scraper stops, the heating part stops heating, and the battery scraper operates again until the temperature of the refrigerant in the cooling outlet pipeline is lower than the lowest temperature in the normal temperature range.
Example 1
Referring to fig. 1, in the present embodiment, the electric drive system includes two heat generating members, i.e., a first motor 200 and a first inverter 500, the first motor 200 may be a traveling motor that drives the battery carriage to move, and the first inverter 500 serves to convert direct current output from the battery into three-phase alternating current to supply power to the first motor 200.
The cooling system of the present embodiment includes two heat exchanging mechanisms for cooling the first motor 200 and the first inverter 500, respectively. The cooling inlet pipelines of the two heat exchange mechanisms are connected to the flow dividing mechanism, namely the flow dividing mechanism is arranged at the inlet of the cooling unit. The flow dividing mechanism is connected with an outlet of the conveying unit, so that the refrigerant flowing through the outlet of the conveying unit is divided, and the refrigerant can flow into the two heat exchange mechanisms from different cooling inlet pipelines respectively.
The cooling outlet pipelines of the two heat exchange mechanisms are connected to the confluence mechanism, namely, the confluence mechanism is arranged at the outlet of the cooling unit. The merging mechanism communicates with the reserve tank 100 to merge the refrigerant flowing out of the cooling unit, so that the refrigerant flowing out of the different cooling outlet lines can flow back into the reserve tank from the same reserve tank inlet line.
The delivery unit of this embodiment includes a pump, an inlet of which is communicated with the storage tank 100 through a delivery inlet pipe, thereby pumping the refrigerant from the storage tank 100; the outlet of the pump is connected with the outlet of the conveying unit through a conveying outlet pipeline, so that the refrigerant can be conveyed to the outlet of the conveying unit. One end of the return line is connected to the delivery outlet line, the other end of the return line is in fluid communication with the storage tank 100, and the electromagnetic directional valve 161 is disposed above the return line.
The conveying inlet pipeline can be provided with a filter, and the filter is used for filtering the refrigerant in the conveying inlet pipeline, preventing dirt from being accumulated in the cooling unit and the conveying unit, and further causing the blockage of the refrigerant in the cooling unit and the conveying unit. The delivery outlet pipeline can be provided with a cooler, the cooler can comprise a gas-liquid heat exchanger and a fan, and fresh air can be continuously blown into the gas-liquid heat exchanger through the fan to cool the refrigerant in the gas-liquid heat exchanger. The filter and the cooler may be any devices commonly used in the related art, and their specific structures are not limited and are not considered as improvements of the present embodiment.
Example 2
Referring to fig. 2, in the present embodiment, the two heat generating components of the electric drive system are a second motor 300 and a second inverter 400, respectively, the second motor 300 may be an auxiliary motor, and the second inverter 400 is configured to convert direct current output from the battery into three-phase alternating current, so as to supply power to the second motor 300.
The delivery unit of this embodiment comprises two pumps, the inlets of which are in communication with the storage tank 100, respectively, through respective delivery inlet conduits, and the outlets of which are in communication with the outlet of the delivery unit, respectively, through respective delivery outlet conduits.
The delivery outlet pipelines of the two pumps are provided with return pipelines, and the return pipelines of the two pumps are communicated to the storage tank 100. As a further optimization, the return pipes communicated with the delivery outlet pipes of the two pumps share one electromagnetic directional valve 161, that is, the two return pipes are connected to the same electromagnetic directional valve 161.
Example 3
Referring to fig. 3, in the present embodiment, the electric drive system includes four heat generating members, which are a first motor 200, a second motor 300, a second inverter 400, and a first inverter 500, respectively.
The cooling unit of this embodiment includes four heat exchange mechanisms, which are a first heat exchange mechanism for cooling the first motor 200, a second heat exchange mechanism for cooling the second motor 300, a third heat exchange mechanism for cooling the second inverter 400, and a fourth heat exchange mechanism for cooling the first inverter 500.
An inlet of the first heat exchange mechanism is communicated with the flow dividing mechanism through a first cooling inlet pipeline, an outlet of the first heat exchange mechanism is communicated with the flow converging mechanism through a first cooling outlet pipeline, a first electromagnetic switch valve 210 is arranged on the first cooling inlet pipeline, and a first temperature sensor 220 is arranged on the first cooling outlet pipeline; an inlet of the second heat exchange mechanism is communicated with the flow dividing mechanism through a second cooling inlet pipeline, an outlet of the second heat exchange mechanism is communicated with the flow converging mechanism through a second cooling outlet pipeline, a second electromagnetic switch valve 310 is arranged on the second cooling inlet pipeline, and a second temperature sensor 320 is arranged on the second cooling outlet pipeline; an inlet of the third heat exchange mechanism is communicated with the flow dividing mechanism through a third cooling inlet pipeline, an outlet of the third heat exchange mechanism is communicated with the flow converging mechanism through a third cooling outlet pipeline, a third electromagnetic switch valve 410 is arranged on the third cooling inlet pipeline, and a third temperature sensor 420 is arranged on the third cooling outlet pipeline; an inlet of the fourth heat exchange mechanism is communicated with the flow dividing mechanism through a fourth cooling inlet pipeline, an outlet of the fourth heat exchange mechanism is communicated with the flow converging mechanism through a fourth cooling outlet pipeline, a fourth electromagnetic switch valve 510 is arranged on the fourth cooling inlet pipeline, and a fourth temperature sensor 520 is arranged on the fourth cooling outlet pipeline.
The delivery unit of the present embodiment includes two pumps, a first pump 111 and a second pump 112. Wherein, the inlet of the first pump 111 is communicated with the storage tank 100 through a first conveying inlet pipeline, the first conveying inlet pipeline is provided with a first filter 141, the outlet of the first pump 111 is communicated with the outlet of the conveying unit through a first conveying outlet pipeline, and the first conveying outlet pipeline is provided with a first cooler 131; the inlet of the second pump 112 is communicated with the storage tank 100 through a second delivery inlet pipe on which a second filter 142 is provided, and the outlet of the second pump 112 is communicated with the outlet of the delivery unit through a second delivery outlet pipe on which a second cooler 132 is provided.
All be connected with the return line on first delivery outlet pipeline and the second delivery outlet pipeline, two return lines share a solenoid directional valve 161, and two return lines communicate to same return flow export pipeline to communicate to bin 100 through this return flow export pipeline.
In order to improve the overall stability of the cooling system and timely find out the problems existing in the cooling system, in this embodiment, a first flow meter 230 may be disposed on a first cooling outlet pipe, a second flow meter 330 may be disposed on a second cooling outlet pipe, a third flow meter 430 may be disposed on a third cooling outlet pipe, and a fourth flow meter 530 may be disposed on a fourth cooling outlet pipe; at the same time, a first pump flow meter 121 may be arranged on the first delivery outlet line, a second pump flow meter 122 may be arranged on the second delivery outlet line, and an outlet flow meter 162 may be arranged on the return flow outlet line. When the accumulated flow values of the first flow meter 230, the second flow meter 330, the third flow meter 430, the fourth flow meter 530 and the outlet flow meter 162 are smaller than the accumulated flow values of the first pump flow meter 121 and the second pump flow meter 122, it can be determined that a refrigerant leakage condition exists in the cooling unit of the embodiment, and at this time, the battery cart can be stopped for maintenance, so that the battery cart is prevented from being damaged.
A first pressure sensor 151 may be provided on the first delivery inlet conduit, the first pressure sensor 151 being provided in particular between the first filter 141 and the outlet of the first delivery inlet conduit; a second pressure sensor 152 is arranged on the second delivery inlet conduit, which second pressure sensor 152 is in particular arranged between the second filter 142 and the outlet of the second delivery inlet conduit. When the gauge pressure of the first pressure sensor 151 or the second pressure sensor 152 is higher than the gauge pressure in the normal state, it is determined that the filter may be clogged, and at this time, the vehicle may be stopped and the clogging may be cleared.
A third pressure sensor 170 may be provided in the flow dividing mechanism, and the third pressure sensor 170 may be configured to detect the pressure of the refrigerant in the flow dividing mechanism. When the gauge pressure of the third pressure sensor 170 is higher than the gauge pressure in the normal state, it can be determined that the cooling circuit is not smooth and may be blocked, and at this time, the vehicle can be stopped and the blockage can be cleared to prevent the radiator and/or the pump from being damaged due to the overhigh pressure of the refrigerant.
In addition, this embodiment still provides a battery scraper, this battery scraper includes electric drive system, battery and cooling system, the battery is used for supplying power to electric drive system, cooling system is used for controlling the temperature in the electric drive system, make the temperature in the electric drive system maintain in normal temperature interval, prevent that electric drive system high temperature from taking place to damage, can realize the accurate control to cooling system under the prerequisite of infrequent start-up water pump simultaneously, change the load of water pump as required, the life of water pump has also been prolonged.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. A cooling system for controlling a temperature within an electric drive system, the electric drive system comprising at least one heat generating member; the method is characterized in that: the cooling system comprises a storage tank, a cooling unit and a conveying unit, wherein the storage tank is used for storing a refrigerant; the cooling unit comprises a heat exchange mechanism for cooling the heating element, an outlet of the heat exchange mechanism is communicated with the storage tank through a cooling outlet pipeline, and a temperature sensor is arranged on the cooling outlet pipeline; the inlet of the conveying unit is communicated with the storage tank, the outlet of the conveying unit is communicated with the inlet of the heat exchange mechanism through a cooling inlet pipeline, and an electromagnetic switch valve is arranged on the cooling inlet pipeline; the conveying unit comprises at least one pump for pumping and conveying the refrigerant, an outlet of the pump is communicated with the storage tank through a return pipeline, and an electromagnetic reversing valve is arranged on the return pipeline.
2. A cooling system according to claim 1, characterized in that: the heat exchange mechanisms are arranged in a plurality of numbers, and outlets of the conveying units are communicated with a plurality of cooling inlet pipelines of the heat exchange mechanisms through the shunting mechanisms.
3. A cooling system according to claim 2, characterized in that: and the cooling outlet pipelines of the plurality of heat exchange mechanisms are communicated with the storage tank through a confluence mechanism.
4. A cooling system according to claim 2, characterized in that: and a third pressure sensor is arranged on the flow dividing mechanism.
5. A cooling system according to any one of claims 1 to 4, wherein: and a flowmeter is arranged on the cooling outlet pipeline.
6. A cooling system according to claim 1, characterized in that: the outlet of the pump is communicated with the outlet of the conveying unit through a conveying outlet pipeline, one end of the backflow pipeline is communicated with the conveying outlet pipeline, and the other end of the backflow pipeline is communicated with the storage tank.
7. A cooling system according to claim 6, characterized in that: the pump sets up to a plurality ofly, a plurality ofly return line that communicates on the delivery outlet pipeline of pump shares an electromagnetic directional valve.
8. A cooling system according to claim 6, characterized in that: and a cooler and/or a flowmeter are/is arranged on the conveying outlet pipeline.
9. A cooling system according to claim 1, characterized in that: the inlet of the pump is communicated with the inlet of the conveying unit through a conveying inlet pipeline, and a filter and/or a pressure sensor are arranged on the conveying inlet pipeline.
10. A battery scraper, characterized in that: comprising an electric drive system and a cooling system for controlling a temperature within the electric drive system, the cooling system being as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208393.2U CN212113960U (en) | 2020-06-24 | 2020-06-24 | Cooling system and battery scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208393.2U CN212113960U (en) | 2020-06-24 | 2020-06-24 | Cooling system and battery scraper |
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| Publication Number | Publication Date |
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| CN212113960U true CN212113960U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021208393.2U Active CN212113960U (en) | 2020-06-24 | 2020-06-24 | Cooling system and battery scraper |
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| CN (1) | CN212113960U (en) |
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2020
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