CN111200920B - Cooling device and system - Google Patents
Cooling device and system Download PDFInfo
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- CN111200920B CN111200920B CN201811377351.9A CN201811377351A CN111200920B CN 111200920 B CN111200920 B CN 111200920B CN 201811377351 A CN201811377351 A CN 201811377351A CN 111200920 B CN111200920 B CN 111200920B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Abstract
The invention provides a cooling device and a cooling system. The cooling device includes: in-cabinet cooling device and outer cooling device of cabinet, wherein, in-cabinet cooling device includes: the main pipeline of intaking, play water main pipeline, water pump and at least one water connecting plate, cooling device includes outside the cabinet: converter inlet tube, converter outlet pipe. The inlet tube of converter is connected to the water inlet of water pump through the flange design of pipeline, has saved the transitional coupling of water inlet distributor, and the water pump delivery port has saved the design of water outlet distributor with pipeline flange lug connection. Finally, the performance of the cooling system is ensured, the complex structural design of the water distributor is omitted, and the complex structure of the pipelines outside the cabinet is simplified. Compared with the cooling device with larger volume and higher cost in the prior art, the scheme effectively saves space, lightens the weight of the converter and reduces design cost.
Description
Technical Field
The invention relates to the technical field of cooling, in particular to a cooling device and a cooling system.
Background
The locomotive converter is an important part of a locomotive electric transmission system and provides power for a locomotive traction motor. Rectification and inversion functions of the converter are realized through Insulated Gate Bipolar Transistors (IGBTs) of power devices, and frequent switching on and off of the IGBTs can generate a large amount of energy loss, so that the temperature of the IGBT devices is increased. Therefore, a certain cooling mode is needed to help the heat dissipation of the IGBT so as to maintain the normal operation of the converter.
Figure 1 is a schematic view of a prior art water cooling system for a high power locomotive converter,
fig. 2 is a schematic perspective view of a water cooling device for a high-power locomotive converter in the prior art. As shown in fig. 1 and 2, the water cooling device for the high-power locomotive converter comprises an in-cabinet cooling device and an out-cabinet cooling device. Wherein, the cooling device in the cabinet includes: the water-saving water tank comprises a pipeline in the tank, a water pump, a water inlet distributor, a water outlet distributor, a temperature sensor, a pressure sensor, an expansion water tank, a connecting piece and the like; the cooling device outside the cabinet includes: the cooling device is connected with an external composite cooling tower (comprising a heat exchanger, a fan and the like) through an external cooling pipeline of the cabinet. The water inlet and the water outlet of the pipeline outside the cabinet are connected with the water outlet and the water inlet of the cooling tower, so that cooling liquid flows through the power unit water-cooling substrate in the converter through the pipeline, and the effect of radiating a power device is achieved.
However, the cooling device has complex pipeline design and large occupied space, and the water pump is connected with the water inlet and outlet pipelines by the distributor, so that the cost of the distributor is high.
Disclosure of Invention
Compared with the prior art that a high-power locomotive converter water cooling device with larger volume and higher cost is adopted, the cooling device and the cooling system provided by the invention have the advantages that the convenience is improved, and the cost is reduced.
In a first aspect, the present invention provides a cooling apparatus comprising: an in-cabinet cooling device and an out-cabinet cooling device;
the in-cabinet cooling device comprises: the water supply system comprises a water inlet main pipeline, a water outlet main pipeline, a water pump and at least one water connecting plate; the outside cabinet cooling device includes: a converter water inlet pipe and a converter water outlet pipe;
the water inlet pipe of the converter is connected with the water inlet pipe of the water pump, a first stop valve is arranged between the water inlet pipe of the converter and the water pump, the water outlet pipe of the water pump is connected with one end of the main water inlet pipeline, and the other end of the main water inlet pipeline is sealed;
one end of the main water outlet pipeline is sealed, the other end of the main water outlet pipeline is connected with the converter water outlet pipe, and a second stop valve is arranged between the main water outlet pipeline and the converter water outlet pipe;
each water connecting plate is connected between the water inlet main pipeline and the water outlet main pipeline, and water in the water inlet main pipeline can flow to the water outlet main pipeline through any water connecting plate; each water connection plate serves for cooling the power module arranged thereon.
In a specific implementation manner, two ends of each water connection plate are respectively connected with the water inlet main pipeline and the water outlet main pipeline through branch pipelines.
In a specific implementation manner, the in-cabinet cooling device further includes: an expansion tank;
the expansion water tank is positioned at the highest position of the cooling device; the water inlet main pipeline and the water outlet main pipeline are respectively connected with the bottom of the expansion water tank through stainless steel pipes.
In a specific implementation mode, the expansion water tank is connected with a water inlet pipe of the water pump through a rubber pipe.
In a specific implementation manner, a temperature sensor and a pressure sensor are arranged between the water outlet pipe of the water pump and the main water inlet pipeline.
In a specific implementation manner, the water outlet pipe of the water pump is connected with the main water inlet pipeline through a flange;
the water inlet pipe of the converter is connected with the water inlet pipe of the water pump through a flange.
In a specific implementation, the cooling device further includes: at least one power module;
each power module comprises a water-cooling base plate and at least one power device, the water-cooling base plate is used for being connected with the water connecting plate, and the at least one power device is arranged on the water-cooling base plate.
In a specific implementation mode, a liquid injection joint is arranged on a water inlet pipe of the water pump.
Furthermore, the converter water inlet pipe and the converter water outlet pipe are corrugated pipes, and the converter water inlet pipe and the converter water outlet pipe are arranged on the side face of the bottom end of the cooling device.
In a second aspect, the present invention provides a cooling system comprising: the cooling device, the compound cooling tower and the monitoring device of the first aspect;
the cooling device is connected with the composite cooling tower to form a cooling circulation loop;
and the monitoring device is used for determining whether to give an alarm or not according to the detection result of the cooling device.
According to the cooling device and the cooling system provided by the embodiment of the invention, the water inlet pipe of the converter is connected to the water inlet pipe of the water pump through the flange design of the pipeline, the transitional connection of the water inlet distributor is omitted, the water outlet pipe of the water pump is directly connected with the pipeline flange, the design of the water outlet distributor is omitted, the performance of the cooling system is ensured, the complex structural design of the water distributor is omitted, and the complex structure of the pipeline outside the cabinet is simplified. Compared with the cooling device with larger volume and higher cost in the prior art, the cooling device has the advantages that the space is effectively saved, the weight of the converter is reduced, the design cost is reduced, meanwhile, the cooling system realizes real-time monitoring and fault warning through the monitoring device, and the reliability and the convenience of the cooling system are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a prior art water cooling system for a high power locomotive converter;
fig. 2 is a schematic perspective view of a water cooling device for a high-power locomotive converter in the prior art;
fig. 3 is a schematic structural diagram of a cooling device according to an embodiment of the present invention;
fig. 4 is a schematic view of a cooling system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The cooling modes of the current converter mainly comprise natural cooling, forced air cooling, water circulation cooling and the like. For the cooling of the locomotive converter, a water circulation cooling mode is generally adopted in China, namely, a power device is installed on a water-cooling substrate, the water-cooling substrate is connected with a heat exchange device through a certain pipeline, cooling liquid absorbing heat is circulated under the pressure of a water pump, the heat exchange device is cooled to achieve the purpose of heat exchange, the temperature of the cooling liquid is reduced, and the cooled cooling liquid flows through the water-cooling substrate again and circulates in the way.
In the prior art, a water cooling device of a high-power locomotive converter comprises an in-cabinet cooling device and an out-cabinet cooling device. The cooling device is complex in pipeline design, and is connected with the water outlet and the water inlet of the cooling tower through the water inlet and the water outlet of the pipeline outside the cabinet, so that cooling liquid flows through the power unit water-cooling substrate in the converter through the pipeline, and the effect of heat dissipation of a power device is achieved. However, the cooling device has a complicated pipeline design and occupies a large space. And the water pump is connected with the water inlet and outlet pipelines by the distributor, so that the distributor is high in cost.
In order to overcome the problems in the prior art, the scheme has the advantages that the structure is simplified while the performance of the cooling system is ensured, the pipeline is directly connected with the flange, the complex structural design of a water distributor is omitted, the complex structure of the pipeline outside the cabinet is simplified, the space is effectively saved, the weight of the converter is reduced, and the design cost is reduced.
This scheme is illustrated in detail below by means of several specific examples.
Fig. 3 is a schematic structural diagram of a cooling device according to an embodiment of the present invention, and as shown in fig. 1, the cooling device includes: an in-cabinet cooling device and an out-of-cabinet cooling device.
In a specific implementation, the in-cabinet cooling device and the out-cabinet cooling device are separated by the converter cabinet body and are connected only by a pipeline.
Wherein, the cooling device in the cabinet includes: the system comprises a water inlet main pipeline 3, a water outlet main pipeline 4, a water pump 1 and at least one water connecting plate 16; the cooling device outside the cabinet includes: an out-cabinet line 10 and a shut-off valve 9.
The outside cabinet pipeline includes: the converter water inlet pipe is positioned in front of the converter water outlet pipe.
Further, the converter inlet tube is connected with the inlet tube of the water pump 1, a first stop valve is arranged between the converter inlet tube and the water pump 1, the outlet tube of the water pump 1 is connected with one end of the water inlet main pipeline 3, and the other end of the water inlet main pipeline 3 is sealed.
One end of the water outlet main pipeline 4 is sealed, the other end of the water outlet main pipeline 4 is connected with the water outlet pipe of the converter, and a second stop valve is arranged between the water outlet main pipeline and the water outlet pipe of the converter.
Specifically, the front stop valve of the stop valve 9 is a first stop valve, and the rear stop valve is a second stop valve. The stop valve is all installed in the external side of cabinet, and the design of stop valve 9 is installed to outer cabinet pipeline 10, has guaranteed that the converter can annotate liquid alone when not connecting the cooling tower, and the whole dismantlement and the maintenance of connecting line between outer cabinet pipeline and the cooling tower of also being convenient for.
Each water connecting plate 16 is connected between the water inlet main pipeline 3 and the water outlet main pipeline 4, the cooling liquid in the water inlet main pipeline 3 can flow to the water outlet main pipeline 4 through any water connecting plate 16 and the water cooling base plate connected with the water connecting plate, and each water connecting plate 16 is provided with two water connecting heads which can be connected with the water cooling base plate in the power module and used for cooling the power device arranged on the water connecting plates.
Specifically, two water connectors on each water connecting plate 16 are quick water connectors and have a self-sealing function, and liquid leakage cannot occur in the plugging and unplugging process.
In a specific implementation manner, the power module comprises a water-cooling substrate and a power device arranged on the water-cooling substrate, wherein water inlets and water outlets on the water-cooling substrate are respectively connected with two water connectors of the water connecting plate, so that the cooling liquid flows through the water-cooling substrate and cools the power device arranged on the water-cooling substrate.
Alternatively, the number of power devices in each power module may be 1 to many.
Optionally, a plurality of water connecting plates may be disposed between the water inlet main pipeline 3 and the water outlet main pipeline 4, each water connecting plate is connected to one power module, and a plurality of power modules may be cooled by using a set of water inlet main pipelines and water outlet main pipelines.
In a specific implementation manner, 1 to a plurality of branch pipelines 4 are arranged on the water inlet main pipeline 3, 1 to a plurality of branch pipelines 14 are also arranged on the water outlet main pipeline, and two ends of each water connecting plate are respectively connected with the water inlet main pipeline 3 and the water outlet main pipeline 4 through the branch pipelines 14.
The embodiment of the invention provides a cooling device and a system, comprising: in-cabinet cooling device and outer cooling device of cabinet, wherein, in-cabinet cooling device includes: the main pipeline of intaking, play water main pipeline, water pump and at least one water connecting plate, cooling device includes outside the cabinet: converter inlet tube, converter outlet pipe. The inlet tube of converter is connected to the inlet tube of water pump through the flange design of pipeline, has saved the transitional coupling of water inlet distributor, and the water pump outlet pipe is connected with pipeline flange lug connection, has saved the design of water outlet distributor. Finally, the performance of the cooling system is ensured, the complex structural design of the water distributor is omitted, and the complex structure of the pipelines outside the cabinet is simplified. Compared with the cooling device with larger volume and higher cost in the prior art, the scheme effectively saves space, lightens the weight of the converter and reduces design cost.
The technical solution of the embodiment of the method shown in fig. 1 will be described in detail below by using several specific examples.
In a specific implementation manner, the in-cabinet cooling device further includes: an expansion tank 5. The expansion tank 5 is installed at the highest point of the whole pipeline and has the functions of displaying the level of the cooling liquid and the change of the absorbed liquid capacity as well as pressure discharge and air exhaust. The expansion tank is used for accommodating the water expansion amount in the pipeline, the water pressure fluctuation caused by the expansion of water in the pipeline can be reduced, and when the pipeline leaks water or cools in the pipeline due to some reason, the water level of the expansion tank is reduced, so that water is supplemented for the pipeline. The expansion tank also serves to stabilize the pressure in the line and to remove air released by the water during heating.
Specifically, the coolant liquid level can carry out liquid level display through equipment such as expansion tank's ultrasonic wave liquid level appearance, radar liquid level appearance, electrode formula level sensor, also can read the liquid level through the liquid level height in the expansion tank of the expansion tank direct observation of using transparent or translucent box, and this scheme does not require this.
The water inlet main pipeline 3 and the water outlet main pipeline 4 are respectively connected with the bottom of the expansion water tank 5 through the stainless steel pipe 6, bubbles generated when cooling liquid circulates in the pipelines can be discharged into the expansion water tank 5, and then the bubbles are discharged out of a pipeline system through the pressure regulating function of the expansion water tank 5.
Further, the top of the expansion tank 5 is provided with an overflow valve, the overflow valve is preset with a range of pressure values, and when the pressure values exceed the range of preset pressure values, the overflow valve adjusts the pressure in the expansion tank. When the cooling liquid in the pipeline is excessive, the cooling liquid can overflow through an overflow valve of the expansion water tank, wherein the overflow valve is connected with the overflow pipe 11, so that the overflowing cooling liquid is directly discharged out of the cabinet, and the damage to electric components in the cabinet is avoided.
Optionally, the overflow pipe 11 may extend out of the converter cabinet through a through-wall terminal, and a sealing joint 12 may be disposed on a contact surface of the overflow pipe and the cabinet, so as to ensure that the converter is in a sealed state.
Optionally, the water inlet main pipeline and the water outlet main pipeline are both provided with exhaust valves for exhausting gas in the pipeline.
In a specific implementation, the expansion tank 5 is connected with the water inlet pipe of the water pump 1 through a rubber pipe 15. Through the connection design of rubber tube 15, can provide pressure for water pump 1, adjust the pressure differential of expansion tank and water pump inlet tube department, maintain the stability of pipeline overall pressure.
In a specific implementation, a temperature sensor 7 and a pressure sensor 8 are arranged between the water outlet pipe of the water pump 1 and the water inlet main pipe 3.
Specifically, a temperature sensor and a pressure sensor mounting interface are arranged on the water inlet main pipeline 3 and used for mounting a temperature sensor 7 and a pressure sensor 8. The temperature sensor 7 and the pressure sensor 8 can measure the pressure and the temperature of the cooling liquid in the pipeline in real time.
According to the cooling device provided by the embodiment of the invention, the expansion water tank is connected with the water inlet main pipeline, the water outlet main pipeline and the water pump, so that the effects of displaying the water level of the cooling liquid, accommodating the water expansion amount in the pipelines and stabilizing the pressure in the pipelines are provided; the temperature sensor and the pressure sensor are arranged between the water outlet pipe of the water pump and the main water inlet pipeline, so that the real-time monitoring of the temperature and the pressure in the pipeline is realized.
In a specific implementation mode, a water outlet pipe of the water pump 1 is connected with a main water inlet pipeline 3 through a flange;
further, the water inlet pipe of the converter is connected with the water inlet pipe of the water pump 1 through a flange.
Specifically, the water outlet pipe of the water pump 1 is directly connected with the flange of the water inlet main pipeline 3, so that the design of a water outlet distributor is omitted. The inlet tube of converter passes through the flange design of pipeline and is connected to the water inlet of water pump 1, has saved the transitional coupling of water inlet distributor, has simplified the miscellaneous structure of cabinet outer pipeline.
In a specific implementation, the cooling device further includes: at least one power module;
each power module comprises a water-cooling base plate and at least one power device, the water-cooling base plate is used for being connected with the water connecting plate 16, and the at least one power device is arranged on the water-cooling base plate.
Specifically, the water connection plate 16 is connected to a water-cooled base plate of the power device. And the cooling liquid enters the water-cooling base plate of the power device through the water connecting plate to cool the power device arranged on the water-cooling base plate. After absorbing the heat generated by the power device, the cooling liquid reaches the water connection plate 16 through the water outlet end of the water-cooled base plate of the power device.
In a specific implementation mode, a liquid injection joint is arranged on a water inlet pipe of the water pump.
Specifically, the water inlet pipe 13 of the water pump is provided with a liquid injection joint mounting interface for mounting the liquid injection joint 2. The installation interface of the liquid injection connector 2 is directly designed on the water inlet pipeline 3, and the cooling liquid can be injected into a pipeline of the cooling device through the liquid injection connector 2. Wherein, annotate liquid joint 2 but quick plug, when not annotating the liquid, the joint is sealed, can not the weeping.
Furthermore, the converter water inlet pipe and the converter water outlet pipe are corrugated pipes and are provided with stop valves of connecting flanges, and the converter water inlet pipe and the converter water outlet pipe are arranged on the side face of the bottom end of the cooling device.
Specifically, the external cabinet line 10 is designed with a stop valve, which allows for separate filling when the converter is not connected to the cooling tower. The external cabinet pipeline 10 is two corrugated pipes which are as short as possible, and the length is only the distance between the converter and the cooling tower, so that the connection between the converter and the cooling tower is realized, and therefore, a connecting pipeline between the converter and the cooling tower is not required to be additionally configured, the accessories of the whole vehicle system are reduced, and the cost is reduced. The defects of large occupied space, heavy weight and high cost caused by the complex structural design of the pipeline outside the cabinet are avoided, and the design position of the pipeline outside the cabinet is not higher than that of the pipeline inside the cabinet, so that the design of an exhaust valve is omitted, the cost is reduced, and fault points are reduced.
According to the embodiment of the invention, the water inlet pipe of the converter is connected to the water inlet pipe of the water pump through the flange design of the pipeline, the transitional connection of the water inlet distributor is omitted, the water outlet pipe of the water pump is directly connected with the pipeline flange, the design of the water outlet distributor is omitted, the complex structural design of the water distributor is omitted while the performance of the cooling system is ensured, the liquid injection joint, the temperature sensor and the pressure sensor interface are designed on the water inlet pipe of the water pump, the structural design of the pipeline outside the cabinet is simplified, the space of the converter is saved, the weight of the converter is lightened, and the design cost of the converter is saved.
Fig. 4 is a schematic view of a cooling system according to an embodiment of the present invention. As shown in fig. 2, the cooling system 100 includes: the cooling device 101, the compound cooling tower 102 and the monitoring device 103 in the embodiment shown in fig. 1.
In a specific implementation manner, the cooling device 101 is connected with the compound cooling tower 102 to form a cooling circulation loop, and the monitoring device is electrically connected with the cooling device 101 and the compound cooling tower 102 respectively.
The composite cooling tower comprises a heat exchanger and a fan, an out-of-cabinet pipeline of the cooling device is connected with an interface of the composite cooling tower, and specifically, the heat exchanger of the composite cooling tower is connected with a water inlet pipe of the converter and a water outlet pipe of the converter to form a cooling circulation loop.
Optionally, the water inlet pipe of the converter and the water outlet pipe of the converter can be corrugated hoses.
Specifically, the cooling device directly connects the outer side of the stop valve with the cooling tower interface through two corrugated hoses, and the length of the corrugated hose can be the distance between the cooling device and the cooling tower. The stop valve has guaranteed that when cooling device did not connect the cooling tower, the converter can annotate the liquid alone, and the whole of the outside cabinet pipeline of also being convenient for is dismantled and is maintained, and the coolant liquid cools off the back to power device in cooling device, gets into compound cooling tower through cooling device's converter outlet pipe, cools off the back in compound cooling tower, gets into cooling device through cooling device's converter inlet tube, forms cooling circulation return circuit.
The cooling device 101 of the present embodiment includes any one of the technical solutions of the embodiment shown in fig. 1.
As mentioned above, in a specific implementation, the cooling device 101 comprises an in-cabinet cooling device and an out-cabinet cooling device, which are separated by the converter cabinet body and connected only by a pipeline.
Wherein, the cooling device in the cabinet includes: the main pipeline of intaking, play water main pipeline, water pump and at least one water connecting plate, cooling device includes outside the cabinet: an outside cabinet pipeline and a stop valve.
The outside cabinet pipeline includes: the converter water inlet pipe is positioned in front of the converter water outlet pipe.
In the above scheme, it should be understood that the water inlet pipe of the converter is connected to the water inlet pipe of the water pump through the flange design of the pipeline, the transitional connection of the water inlet distributor is omitted, the water outlet pipe of the water pump is directly connected with the pipeline flange, and the design of the water outlet distributor is omitted. The performance of the cooling system is ensured, the complex structural design of the water distributor is omitted, and the complex structure of the pipelines outside the cabinet is simplified.
Still include expansion tank, temperature sensor and pressure sensor in cooling device 101, through expansion tank and the main pipeline that intakes, the main pipeline that goes out water to and the connection of water pump, provide and show the coolant liquid water level, hold the effect of the water inflation volume in the pipeline and stabilize the pressure in the pipeline, and through set up temperature sensor and pressure sensor between the outlet pipe of water pump and the main pipeline that intakes, realized the real-time supervision to the temperature in the pipeline and pressure.
In addition, the cooling device 101 also includes other technical solutions of the embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
The monitoring device 103 is configured to obtain a detection result of the cooling device, determine whether the detection result of the cooling device is normal, and send an alarm if the detection result is not normal.
In a specific implementation mode, a pressure sensor and a temperature sensor are installed in the cooling device, and the pressure and the temperature of the cooling liquid can be detected in real time. The monitoring device will issue an alarm when the pressure and/or temperature in the pipes in the cooling system is abnormal.
The monitoring device 103 is configured to obtain measurement results of the temperature sensor and the pressure sensor in the cooling device, determine whether the obtained measurement results are normal according to a preset temperature range and a preset pressure range, generate warning information if the temperature measurement results and/or the pressure measurement results are abnormal, and send a warning to prompt a user to overhaul the system.
Optionally, when the measurement result of the temperature is greater than the maximum value of the preset temperature range, the monitoring device 103 may control the cooling tower to increase the cooling degree of the cooling tower; the monitoring device 103 may control the cooling tower to decrease the cooling degree of the cooling tower when the measurement result of the temperature is less than the minimum value of the preset temperature range.
Optionally, when the measurement result of the pressure exceeds the preset pressure range, the monitoring device 103 may control the converter to perform a corresponding protection action.
Optionally, when the measurement result of the liquid level is higher than the preset maximum liquid level, that is, when the cooling liquid in the pipeline is excessive, the cooling device may discharge the excessive gas or cooling liquid through an overflow valve of the expansion tank; when the liquid level is low, namely when the cooling liquid in the pipeline is too little, gas can be sucked in through an overflow valve of the expansion water tank to supplement the gas pressure in the expansion water tank; when the measurement result of the liquid level is lower than the preset minimum liquid level, the cooling liquid can be supplemented through the liquid injection joint in a manual mode.
The cooling system provided by the embodiment of the invention comprises a cooling device, a composite cooling tower and a detection device, wherein the cooling device is connected with the composite cooling tower to form a cooling circulation loop, and the monitoring device is used for determining whether to give an alarm or not according to the detection result of the cooling device, so that the reliability and the convenience of the cooling system are improved.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A cooling apparatus, comprising: an in-cabinet cooling device and an out-cabinet cooling device;
the in-cabinet cooling device comprises: the water supply system comprises a water inlet main pipeline, a water outlet main pipeline, a water pump and at least one water connecting plate; the outside cabinet cooling device includes: a converter water inlet pipe and a converter water outlet pipe;
the water inlet pipe of the converter is connected with the water inlet pipe of the water pump, a first stop valve is arranged between the water inlet pipe of the converter and the water pump, the water outlet pipe of the water pump is connected with one end of the main water inlet pipeline, and the other end of the main water inlet pipeline is sealed;
the water outlet pipe of the water pump is connected with the main water inlet pipeline through a flange;
the water inlet pipe of the converter is connected with the water inlet pipe of the water pump through a flange;
one end of the main water outlet pipeline is sealed, the other end of the main water outlet pipeline is connected with the converter water outlet pipe, and a second stop valve is arranged between the main water outlet pipeline and the converter water outlet pipe; the converter water inlet pipe and the converter water outlet pipe are corrugated pipes, and are arranged on the side surface of the bottom end of the cooling device;
each water connecting plate is connected between the water inlet main pipeline and the water outlet main pipeline, and water in the water inlet main pipeline can flow to the water outlet main pipeline through any water connecting plate; each water connection plate serves for cooling the power module arranged thereon.
2. A cooling arrangement according to claim 1, wherein both ends of each water connection plate are connected to the water inlet main and outlet main conduits, respectively, by branch conduits.
3. The cooling apparatus of claim 1, wherein the in-cabinet cooling apparatus further comprises: an expansion tank;
the expansion water tank is positioned at the highest position of the cooling device; the water inlet main pipeline and the water outlet main pipeline are respectively connected with the bottom of the expansion water tank through stainless steel pipes.
4. A cooling device according to claim 3, wherein the expansion tank is connected with the water inlet pipe of the water pump through a rubber pipe.
5. The cooling device according to claim 1, wherein a temperature sensor and a pressure sensor are provided between the water outlet pipe of the water pump and the main water inlet pipeline.
6. The cooling apparatus according to claim 1, characterized in that the cooling apparatus further comprises: at least one power module;
each power module comprises a water-cooling base plate and at least one power device, the water-cooling base plate is used for being connected with the water connecting plate, and the at least one power device is arranged on the water-cooling base plate.
7. The device of claim 1, wherein the water inlet pipe of the water pump is provided with a liquid injection joint.
8. A cooling system, comprising: the cooling apparatus, compound cooling tower and monitoring apparatus of any one of claims 1-7;
the cooling device is connected with the composite cooling tower to form a cooling circulation loop;
and the monitoring device is used for determining whether to give an alarm or not according to the detection result of the cooling device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377351.9A CN111200920B (en) | 2018-11-19 | 2018-11-19 | Cooling device and system |
| PCT/CN2018/117561 WO2020103169A1 (en) | 2018-11-19 | 2018-11-27 | Cooling device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377351.9A CN111200920B (en) | 2018-11-19 | 2018-11-19 | Cooling device and system |
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| Publication Number | Publication Date |
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| CN111200920A CN111200920A (en) | 2020-05-26 |
| CN111200920B true CN111200920B (en) | 2021-02-26 |
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| CN201811377351.9A Active CN111200920B (en) | 2018-11-19 | 2018-11-19 | Cooling device and system |
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| CN (1) | CN111200920B (en) |
| WO (1) | WO2020103169A1 (en) |
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| WO2020103169A1 (en) | 2020-05-28 |
| CN111200920A (en) | 2020-05-26 |
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