CN216306143U - Passive water cooling system - Google Patents

Abstract

The utility model relates to a passive water cooling system, which comprises a passive radiator assembly, an oil-water plate heat exchanger, a pump station assembly, a temperature control valve assembly and a pipeline, wherein the pump station assembly, the oil-water plate heat exchanger and the temperature control valve assembly are mutually communicated through the pipeline; when the temperature of the cooling liquid is lower than the second temperature, the temperature control valve assembly controls the cooling liquid to directly flow out of the temperature control valve assembly. The temperature control valve assembly is used for controlling the flow of cooling liquid, the temperature of the cooling liquid is kept in a proper temperature range, and the normal work of the frequency converter and the gear box is ensured.

Description

Passive water cooling system

Technical Field

The utility model relates to the field of passive water cooling systems, in particular to a passive water cooling system.

Background

When the frequency converter and the gear box in the fan cabin are cooled, a passive water cooling system is generally adopted, and the water cooling system mainly comprises a passive radiator, a pipeline for cooling liquid to flow and a water pump arranged on the pipeline. Under the action of the water pump, cooling liquid circularly flows in the pipeline, the cooling liquid flows in the pipeline, the frequency converter directly exchanges heat with the cooling liquid through the pipeline of the water cooling system, and the gear box exchanges heat with the cooling liquid in the pipeline of the water cooling system through the oil-water plate heat exchanger. When the cooling liquid flows through the core body of the passive radiator, the cooling liquid can be cooled through the passive radiator. The core of the passive radiator includes a pipe for flowing a cooling liquid, and a heat dissipation member such as a heat dissipation fin for dissipating heat. The working process of utilizing a passive radiator to radiate a fan at present mainly has the following problems:

1. when dispelling the heat to converter and gear box, if converter and gear box's temperature is too low, can influence the electronic component performance in the converter, and the gear oil in the gear box can become thick, influences the gear box operation, consequently, how to let converter and gear box's temperature keep in suitable scope, is the problem that needs to solve at present urgently.

2. The coolant liquid can gasify when being heated and form gas for the coolant liquid inflation increases the coolant liquid pressure in the water cooling system pipeline, and if the gas in the water cooling system pipeline is too much moreover, can influence the heat exchange speed between coolant liquid and the passive radiator, thereby reduces water cooling system's heat-sinking capability, influences water cooling system's normal work.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a passive water cooling system to solve one or more problems of the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a passive water cooling system comprises a passive radiator assembly, an oil-water plate heat exchanger, a pump station assembly, a temperature control valve assembly and a pipeline, wherein the pump station assembly, the oil-water plate heat exchanger and the temperature control valve assembly are mutually communicated through the pipeline, the pump station assembly is used for driving cooling liquid to circularly flow between the oil-water plate heat exchanger and the temperature control valve assembly, the temperature control valve assembly is communicated with the passive radiator, and when the temperature of the cooling liquid flowing into the temperature control valve assembly is higher than a first temperature, the temperature control valve assembly controls the cooling liquid to flow through the passive radiator and then flow out of the temperature control valve assembly; when the temperature of the cooling liquid is lower than the second temperature, the temperature control valve assembly controls the cooling liquid to directly flow out of the temperature control valve assembly.

Further, the temperature control valve assembly is including the casing of seting up the cavity, inlet and the liquid outlet that is used for communicateing the water cooling system pipeline are seted up to the lateral wall of cavity, first opening and the second opening that is used for communicateing passive radiator are still seted up to the lateral wall of cavity, still be equipped with temperature control component and valve module in the cavity, temperature control component is used for control the valve module operation, the valve module configuration is:

when the temperature of the cooling liquid in the pipeline of the water cooling system is higher than a first temperature, the valve assembly cuts off the cavity, so that the liquid inlet is communicated with the first opening only through the cavity, and the liquid outlet is communicated with the second opening only through the cavity;

when the temperature of the cooling liquid in the pipeline of the water cooling system is lower than a second temperature, the valve assembly closes the first opening and removes the partition state of the cavity, so that the liquid inlet is directly communicated with the liquid outlet through the cavity.

Further, a sealing ring, a sealing element and a baffle are arranged in the cavity, the sealing ring and the sealing element are respectively positioned at two sides of the first opening, the baffle is arranged between the sealing element and the second opening, a sealing barrel is also arranged in the cavity in a sliding manner, the sealing barrel penetrates through the sealing element, the end surface of the sealing barrel is parallel to the baffle, the sealing element is used for sealing a gap between the sealing barrel and the side wall of the cavity, the temperature control component is used for driving the sealing barrel to slide,

when the temperature of the cooling liquid in the pipeline of the water cooling system is higher than a first temperature, the temperature control assembly pushes the sealing cylinder to slide to one end of the sealing cylinder to be abutted against the baffle plate, and a gap is reserved between the sealing cylinder and the sealing ring;

when the temperature of the cooling liquid in the water cooling system pipeline is lower than the second temperature, the temperature control assembly pulls the sealing cylinder to slide to the sealing cylinder to be abutted against the sealing ring, and a gap is formed between the sealing cylinder and the baffle.

Furthermore, the temperature control component is a bulb, and an ejector pin of the bulb is connected with the sealing cylinder.

Further, the pump station assembly is including the pump body that is used for the pump sending coolant liquid, the pump body is equipped with temperature monitoring subassembly, controller and heating element, the temperature monitoring subassembly is used for the monitoring to flow through the coolant liquid temperature of the pump body, heating element is used for the heating to flow through the coolant liquid of the pump body, the controller basis the temperature data control of temperature monitoring subassembly monitoring the heating element operation.

Furthermore, the side of the pump body is provided with a first automatic exhaust valve, and the first automatic exhaust valve is communicated with the top wall of the inner cavity of the pump body.

Further, passive radiator assembly includes the passive radiator core, the top of passive radiator core is equipped with the liquid reserve tank, the liquid reserve tank is used for storing the coolant liquid, the liquid reserve tank with the heat exchange tube top intercommunication of passive radiator core, the top of liquid reserve tank is equipped with the exhaust hole, the liquid reserve tank still is equipped with and is used for coveing the lid in exhaust hole, the lid is equipped with exhaust structure, exhaust structure is used for supplying liquid reserve tank exhaust gas or inhaled air.

Further, the lid is equipped with first hole, exhaust structure includes the barrel, the terminal surface of barrel with the laminating of the inner wall of lid, just the barrel with first hole intercommunication, the one end of barrel is equipped with first turn-ups, be equipped with first elastic component in the barrel, the one end of first elastic component is equipped with first plate body, first plate body is in under the effect of first elastic component, with the laminating of first turn-ups is in order to cover the opening of barrel one end, the second hole has been seted up to first plate body, first plate body activity is equipped with the second plate body, the first plate body is equipped with the second elastic component, the second elastic component is used for driving the laminating of second plate body first plate body, in order to cover the second hole, the second plate body with first turn-ups are located the same one side of first plate body.

Furthermore, the first hole is provided with an air outlet pipe, the first end of the air outlet pipe is inserted into the first hole, and the second end of the air outlet pipe is provided with an opening along the horizontal direction.

Further, the pipeline includes first pipe and second pipe, the inlet of pump station assembly with pass through between the liquid outlet of temperature-sensing valve assembly first pipe intercommunication, the second pipe is used for the intercommunication the liquid outlet of pump station assembly with the inlet of temperature-sensing valve assembly, just the converter is walked around to the second pipe, the second pipe intercommunication has exhaust valve piece assembly, exhaust valve piece assembly is equipped with second automatic exhaust valve in the coolant flow direction in the second pipe, exhaust valve piece assembly is located the place ahead of converter.

Compared with the prior art, the utility model has the following beneficial technical effects:

the temperature control valve assembly in the scheme can change the amount of the cooling liquid subjected to cooling treatment of the passive radiator along with the change of the temperature of the cooling liquid, so that the temperature of the cooling liquid is adjusted, and when the temperature of the cooling liquid is higher than a first temperature, the temperature control valve assembly guides the cooling liquid to flow through the passive radiator, so that the cooling liquid is subjected to the cooling treatment of the passive radiator assembly. When the temperature of the cooling liquid is lower than the second temperature, the temperature control valve assembly guides the cooling liquid to directly flow back to a pipeline of the water cooling system, the cooling liquid is prevented from being cooled by the passive radiator assembly, the temperature of the cooling liquid can be kept in a proper temperature range, and the frequency converter and the gear box are guaranteed to normally work.

When the temperature changes, the bulb can drive the cylinder to slide gradually along with the change of the temperature, the size of a gap between the cylinder and the baffle and the size of a gap between the cylinder and the sealing ring can be changed, and therefore the amount of the cooling liquid flowing through the passive radiator is adjusted, namely the amount of the cooling liquid flowing through the passive radiator is changed according to the temperature of the cooling liquid, and the temperature of the cooling liquid is adjusted.

And thirdly, because the working temperatures of the frequency converter and the gear box are not suitable to be too low, whether the temperature of the cooling liquid is too low is monitored by using the temperature monitoring assembly, and if the temperature of the cooling liquid is too low, the cooling liquid flowing out of the pump body can be heated by using the heating assembly.

And (IV) when the cooling liquid is heated to generate gas, the cooling liquid flows through the heat exchange tube of the passive radiator core body, the gas can float up to the liquid storage tank and is discharged from the exhaust hole, the cooling liquid in the liquid storage tank flows downwards and is supplemented into the heat exchange tube of the passive radiator core body, and the problem that the heat dissipation capacity of the water cooling system is caused due to the loss of the cooling liquid is avoided.

And (V) the second plate body and the first flanging are respectively positioned at the same side of the first plate body, when the cooling liquid is heated to expand or contracts in a cooling mode, the air pressure in the liquid storage box is greater than the atmospheric pressure or less than the atmospheric pressure, so that the second plate body or the first plate body is driven to move, the gas in the liquid storage box is discharged, or the external air flows in, and the pressure in the water cooling system pipeline is kept stable.

Drawings

FIG. 1 is a schematic structural diagram of a passive water cooling system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram showing the construction of a thermostatic valve assembly according to an embodiment of the present invention;

FIG. 3 shows a schematic structural view of a cavity in an embodiment of the utility model;

FIG. 4 shows a schematic view of the sealing cartridge, sealing ring and baffle in an embodiment of the utility model;

FIG. 5 shows a schematic structural view of a pump body in an embodiment of the utility model;

FIG. 6 is a schematic diagram of a passive heat sink assembly according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a cover in an embodiment of the present invention;

FIG. 8 is a schematic structural view of a frame assembly in an embodiment of the present invention;

FIG. 9 shows a schematic view of the connection of the second flange to the first wing in an embodiment of the utility model;

FIG. 10 shows a schematic structural view of an exhaust valve block assembly in an embodiment of the utility model;

fig. 11 shows a schematic structural view of the first block in the embodiment of the present invention.

In the drawings, the reference numbers:

1. a housing; 11. a cavity; 111. a first positioning seat; 112. a second positioning seat; 12. a first mounting hole; 13. a liquid inlet hole; 14. a liquid outlet hole; 15. a first opening; 16. a second opening; 17. a seal member; 171. a connecting plate; 172. a baffle plate; 18. an installation part; 181. a connecting rod; 182. a seal ring; 183. a thermal bulb; 184. a sealing cylinder; 19. a cover plate; 191. a first through hole; 192. a second through hole;

2. a pump body; 21. a first connecting seat; 211. a first valve block assembly; 212. a first valve; 22. a second connecting seat; 221. a temperature monitoring assembly; 23. a liquid outlet pipeline; 24. a communicating member; 241. a heating assembly; 25. a second valve block assembly; 251. a second valve; 26. a first automatic exhaust valve;

3. a passive heat sink core; 31. a liquid storage tank; 311. a first liquid level sensor; 312. a second liquid level sensor; 32. a cover body; 321. a first hole; 322. positioning a groove; 33. a barrel; 331. a first flanging; 34. a first plate body; 341. a first elastic member; 342. a second hole; 35. a second plate body; 351. a rod body; 352. a block body; 353. a second elastic member; 36. an air outlet pipe; 361. a protrusion;

4. a column; 41. a first wing plate; 42. a connecting member; 421. a second wing plate; 422. a secure anchor point; 43. a support member; 44. obliquely pulling the plate; 45. second flanging; 451. reinforcing ribs;

5. a first housing; 51. a second mounting hole; 511. a second automatic exhaust valve; 52. a third valve; 53. a first channel; 531. a third channel; 54. a second housing; 541. a second channel;

6. a first tube; 61. a second tube; 62. a third tube; 63. a fourth tube; 64. an oil-water plate heat exchanger.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, a passive water cooling system according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

Examples

Referring to fig. 1, the present application provides a passive water cooling system, which includes a passive radiator assembly, an oil-water plate heat exchanger 64, a pump station assembly, a thermo valve assembly, and a pipeline, where the pump station assembly, the oil-water plate heat exchanger 64, and the thermo valve assembly are communicated with each other through the pipeline, the pump station assembly is used to drive a coolant to circularly flow between the oil-water plate heat exchanger 64 and the thermo valve assembly, and the thermo valve assembly is communicated with the passive radiator. When the temperature of the cooling liquid flowing into the temperature control valve assembly is higher than the first temperature, the temperature control valve assembly controls the cooling liquid to flow through the passive radiator and then flow out of the temperature control valve assembly; when the temperature of coolant liquid is less than the second temperature, the temperature-sensing valve assembly control coolant liquid directly flows out from the temperature-sensing valve assembly, and in this embodiment, passive radiator assembly installs on the cabin top surface of fan, and profit heat exchanger, pump station assembly and temperature-sensing valve assembly install in the cabin of fan.

Specifically, the pipeline comprises a first pipe 6, a second pipe 61, a third pipe 62 and a fourth pipe 63, and a liquid inlet of the pump station assembly is communicated with a liquid outlet of the temperature control valve assembly through the first pipe 6; a liquid outlet of the pump station assembly is communicated with a liquid inlet of the temperature control valve assembly through a second pipe 61, and the second pipe 61 bypasses a frequency converter of the fan; the liquid outlet of the pump station assembly is communicated with the liquid inlet of the oil-water plate heat exchanger 64 through a third pipe 62, and the liquid outlet of the oil-water plate heat exchanger 64 is communicated with the liquid inlet of the temperature control valve through a fourth pipe 63. Under the pushing of the pump station assembly, the cooling liquid flows out of the pump station assembly and simultaneously flows into the second pipe 61 and the third pipe 62, the cooling liquid in the third pipe 62 subsequently flows into the oil-water plate heat exchanger 64, the frequency converter of the second fan performs heat exchange with the cooling liquid through the second pipe 61, and the gear box of the fan performs heat exchange with the cooling liquid through the oil-water plate heat exchanger 64.

Referring to fig. 1 to 4, the following describes a specific structure of a thermo-valve assembly as follows:

the temperature control valve assembly comprises a shell 1 provided with a cavity 11, the shell 1 is provided with a first mounting hole 12, a liquid inlet hole 13, a liquid outlet hole 14, a first opening 15 and a second opening 16 which are communicated with the cavity 11, a temperature control assembly and a valve assembly are mounted in the first mounting hole 12, the shell 1 is communicated with a pipeline of a water cooling system through the liquid inlet hole 13 and the liquid outlet hole 14, and is communicated with a passive radiator assembly through the first opening 15 and the second opening 16. The temperature control assembly is used for controlling the operation of the valve assembly, and the valve assembly is configured to:

when the temperature of the cooling liquid in the pipeline of the water cooling system is higher than the preset temperature, the valve assembly cuts off the cavity 11, so that the liquid inlet hole 13 is communicated with the first opening 15 only through the cavity 11, and the liquid outlet hole 14 is communicated with the second opening 16 only through the cavity 11;

when the temperature of the cooling liquid in the pipeline of the water cooling system is lower than the preset temperature, the valve assembly closes the first opening 15 and releases the partition state of the cavity 11, so that the liquid inlet hole 13 is directly communicated with the liquid outlet hole 14 through the cavity 11.

Specifically, in this embodiment, the cavity 11 is disposed along the length direction of the housing 1, and the first mounting hole 12, the liquid inlet hole 13 and the first opening 15 are disposed at one end of the cavity 11, in this embodiment, two liquid inlet holes 13 are disposed at the side surface and the bottom surface of the housing 1, and the two liquid inlet holes 13 are used for connecting the second pipe 61 and the fourth pipe 63, respectively. A drain hole 14 and a second opening 16 are provided at the other end of the cavity 11, the drain hole 14 communicating with the first tube 6 to guide the coolant flowing through the thermo-valve assembly to the pump station assembly. The first mounting hole 12 and the liquid outlet hole 14 are respectively communicated with two end faces of the cavity 11, the axes of the first mounting hole 12 and the liquid outlet hole 14 are overlapped with the axis of the cavity 11, and the liquid inlet hole 13, the first opening 15 and the second opening 16 are arranged on the side wall of the cavity 11.

Furthermore, the side wall of the cavity 11 is integrally formed with a first annular positioning seat 111 and a second annular positioning seat 112, the first annular positioning seat 111 and the second annular positioning seat 112 are respectively located at two sides of the first opening 15, the first annular positioning seat 111 is located between the first opening 15 and the first mounting hole 12, and the inner diameter of the first annular positioning seat 111 is greater than the inner diameter of the second annular positioning seat 112. The annular sealing member 17 is embedded inside the second positioning seat 112, four connecting plates 171 are integrally formed at one end of the sealing member 17 facing the liquid outlet hole 14, the four connecting plates 171 are connected with a circular baffle 172, the baffle 172 and the four connecting plates 171 are integrally formed, the connecting plates 171 are parallel to the length direction of the cavity 11, and the axis of the baffle 172 coincides with the axis of the cavity 11.

Still including covering the installation department 18 in the first mounting hole 12 outside, installation department 18 bolt is on shell 1 lateral surface, the side integrated into one piece of installation department 18 in towards cavity 11 has three connecting rod 181, the axis of three connecting rod 181 all is on a parallel with the length direction of cavity 11, three connecting rod 181 is connected with sealing ring 182, when installation department 18 bolt is on shell 1, the inboard of first location seat 111 of sealing ring 182 embedding, the lateral surface of sealing ring 182 and the laminating of the inside wall of first location seat 111. The inboard temperature control component that is provided with of sealing ring 182, be equipped with four plate bodys between the inside wall of temperature control component and sealing ring 182 and be connected, four plate bodys are along temperature control component's circumference align to grid, and the both ends of plate body respectively with temperature control component and sealing ring 182's inside wall integrated into one piece.

Specifically, the temperature control assembly is a temperature bulb 183, an ejector pin (not shown in the figure) is embedded in the temperature bulb 183, the ejector pin is located at one end, facing the baffle 172, of the temperature bulb 183, a sealing cylinder 184 is connected to an end portion of the ejector pin of the temperature bulb 183, axes of the sealing cylinder 184 and the ejector pin are overlapped with an axis of the cavity 11 and are perpendicular to the baffle 172, the sealing cylinder 184 penetrates through the sealing element 17, and the sealing element 17 is sleeved outside the sealing cylinder 184 and used for sealing a gap between the sealing cylinder 184 and the second positioning seat 112. The sealing cylinder 184 is located between the baffle 172 and the sealing ring 182, and the outer diameter of the sealing cylinder 184 is smaller than the diameter of the baffle 172 and the inner diameter of the sealing ring 182. The thermal bulb 183 expands or contracts with the temperature change, thereby driving the thimble and the sealing cylinder 184 to slide along the length direction of the cavity 11.

When the temperature of the cooling liquid in the pipeline of the water cooling system is higher than the first temperature, the bulb 183 expands to push the thimble to extend, and the thimble is used to push the sealing cylinder 184 to slide until one end of the sealing cylinder 184 abuts against the baffle 172, and a gap is formed between the other end of the sealing cylinder 184 and the sealing ring 182. At this time, the cooling liquid flowing into the liquid inlet hole 13 can only flow into the first opening 15 from the gap between the sealing cylinder 184 and the sealing ring 182, and then the cooling liquid flows through the passive heat sink assembly and flows to the liquid outlet hole 14 from the second opening 16;

when the temperature of the cooling liquid in the pipeline of the water cooling system is lower than the second temperature, the bulb 183 contracts, the sealing cylinder 184 is pulled to slide until the sealing cylinder 184 abuts against the sealing ring 182, and a gap is formed between the sealing cylinder 184 and the baffle 172. Because the sealing cylinder 184 abuts against the sealing ring 182, the communication between the first opening 15 and the cavity 11 is blocked, and at this time, the cooling liquid flowing into the liquid inlet 13 can directly flow into the cavity 11 from the liquid inlet 13 and directly flow to the liquid outlet 14 through the gap between the sealing cylinder 184 and the baffle 172.

In this embodiment, the first temperature is set according to the upper limit of the temperature at which the frequency converter and the gear box are suitable to operate, so that the proper temperature bulb 183 needs to be selected according to the first temperature, when the temperature of the cooling liquid is greater than or equal to the first temperature, the temperature bulb 183 is heated to expand, and the ejector pin of the temperature bulb 183 pushes the sealing cylinder 184 to slide toward the baffle 172 and tightly abut against the baffle 172. When the temperature of the cooling liquid decreases, the bulb 183 contracts and pulls the sealing cylinder 184 to slide toward the sealing ring 182, and when the sealing cylinder 184 abuts against the sealing ring 182, the temperature value of the cooling liquid is the second temperature. Along with the operation of the frequency converter and the gear box, the cooling liquid absorbs heat and gradually rises in temperature, when the temperature of the cooling liquid rises, the temperature bulb 183 expands, the ejector pin of the temperature bulb 183 pushes the sealing cylinder 184 to approach the baffle 172 until the temperature of the cooling liquid is higher than the first temperature, the sealing cylinder 184 and the baffle 172 are tightly abutted, so that the cavity 11 is completely isolated, at the moment, the cooling liquid flowing into the liquid inlet hole 13 can only flow into the first opening 15, is subjected to cooling treatment by the passive radiator assembly, then flows back to the cavity 11 from the second opening 16, and finally flows out through the liquid outlet hole 14. When the temperature of the cooling liquid decreases, the thermal bulb 183 contracts, the thimble of the thermal bulb 183 pulls the sealing cylinder 184 to approach the sealing ring 182 until the temperature of the cooling liquid is lower than the second temperature, the sealing cylinder 184 abuts against the sealing ring 182, and the cooling liquid flowing into the liquid inlet hole 13 can only flow to the liquid outlet hole 14 through the gap between the sealing cylinder 184 and the baffle 172 and directly flows out from the liquid outlet hole 14.

When the temperature of the cooling liquid is between the first temperature and the second temperature, the temperature bulb 183 drives the sealing cylinder 184 to move, gaps are formed among the sealing cylinder 184, the sealing ring 182 and the baffle 172 at the moment, the temperature bulb 183 drives the sealing cylinder 184 to move along with the temperature change of the cooling liquid, the size of the gaps between the sealing cylinder 184, the sealing ring 182 and the baffle 172 can be changed, the amount of the cooling liquid flowing through the passive radiator assembly and the amount of the cooling liquid directly flowing back to a water cooling system pipeline are adjusted, and the temperature of the cooling liquid can be dynamically adjusted.

Furthermore, one end of the sealing cylinder 184 facing the baffle 172 is turned inwards to form an annular flange, the flange is parallel to the baffle 172, the sealing cylinder 184 abuts against the baffle 172 through the flange, and the flange is attached to the baffle 172 to ensure the sealing property between the baffle 172 and the flange. In this embodiment, three support plates are further formed on the inner side of the flange, and the three support plates are connected with the thimble of the thermal bulb 183, that is, the thimble of the thermal bulb 183 is connected with the sealing cylinder 184 through the three support plates, and drives the sealing cylinder 184 to move.

Furthermore, the axes of the first opening 15 and the second opening 16 are parallel, the outer side of the housing 1 is further bolted with a cover plate 19, the cover plate 19 is provided with a first through hole 191 and a second through hole 192, the cover plate 19 is attached to the outer side surface of the housing 1, the first through hole 191 is communicated with the first opening 15, the second through hole 192 is communicated with the second opening 16, the first stop valve is installed at the first through hole 191, the first through hole 191 is communicated with a liquid inlet of the passive radiator assembly, the second stop valve is installed at the second through hole 192, and the second through hole 192 is communicated with a liquid outlet of the passive radiator assembly. At ordinary times, both the first and second cutoff valves are in an open state, and the coolant is kept to flow through the first through hole 191 or the second through hole 192. When the temperature control valve assembly needs to be maintained, the first stop valve and the second stop valve can be closed, the communication states between the first through hole 191 and the first opening 15 and between the second through hole 192 and the second opening 16 are cut off, and a worker can maintain the temperature control valve assembly.

Referring to fig. 1 and 5, the following describes a specific structure of the pump station assembly as follows:

the pump station assembly comprises a pump body 2, a first connecting seat 21 is bolted to a liquid inlet of the pump body 2, a first valve block assembly 211 is bolted to one side, back to the pump body 2, of the first connecting seat 21, a first valve 212 is installed on the first valve block assembly 211, and the first valve 212 is used for controlling cooling liquid to flow into the pump body 2. The first connecting seat 21 is provided with a first through hole 191 (not shown in the figure), and two sides of the first through hole 191 are respectively communicated with the channel of the first valve block assembly 211 and the liquid inlet of the pump body 2. The side of the pump body 2 is provided with a first threaded hole (not shown in the figure), the first threaded hole is communicated with the top wall of the inner cavity of the pump body 2, the first threaded hole is provided with a first automatic exhaust valve 26, and the first automatic exhaust valve 26 is in threaded fit with the side wall of the first threaded hole.

Further, a second connecting seat 22 is bolted to the liquid outlet of the pump body 2, a second through hole 192 (not shown in the figure) is formed in the second connecting seat 22, one side of the second connecting seat 22 is attached to the liquid outlet of the pump body 2, a liquid outlet pipe 23 is integrally formed on the other side of the second connecting seat 22, and the second through hole 192 is communicated with the liquid outlet of the liquid outlet pipe 23 and the liquid outlet of the pump body 2. One end of the liquid outlet pipe 23 is connected with the second connecting seat 22, the other end of the liquid outlet pipe is in threaded connection with the communicating piece 24, the communicating piece 24 is provided with a liquid inlet and two liquid outlets, the liquid inlet is communicated with the liquid outlets, an internal thread is machined on the side wall of the liquid inlet of the communicating piece 24, an external thread is machined on the outer side face of the liquid outlet pipe 23, and the liquid outlet pipe 23 is inserted into the liquid inlet of the communicating piece 24 and is in threaded fit with the liquid inlet of the communicating piece 24.

Furthermore, a second valve block assembly 25 is bolted to the communicating member 24, two channels are formed in the second valve block assembly 25, when the second valve block assembly 25 is bolted to the communicating member 24, the two channels of the second valve block assembly 25 are respectively communicated with the two liquid outlets of the communicating member 24, in addition, a second valve 251 is respectively installed on the two channels of the second valve block assembly 25, and the second valve 251 can be used for controlling the on-off of each channel of the second valve block assembly 25.

Further, since the working temperature of the inverter and the gearbox should not be too low, the temperature range of the cooling liquid needs to be controlled. A temperature monitoring assembly 221 and a controller (not shown) are further mounted on the second connecting member 42, the temperature monitoring assembly 221 is a thermistor sensor, a heating assembly 241 is mounted on the communicating member 24, and the heating assembly 241 comprises an electric heating rod (not shown) inserted into a liquid inlet of the communicating member 24. The temperature monitoring unit 221 and the heating unit 241 are electrically connected to the controller, the temperature monitoring unit 221 is used for monitoring the temperature of the cooling liquid flowing through the pump body 2, and the controller controls the heating unit 241 to heat the cooling liquid flowing through the communicating member 24 according to the temperature data measured by the temperature monitoring unit 221.

Referring to fig. 1, fig. 6 and fig. 7, the following describes a specific structure of the passive heat sink assembly as follows:

the passive radiator assembly is installed on the top surface of the fan cabin, the frame assembly is bolted to the top surface of the fan cabin, the passive radiator assembly is bolted to the frame assembly, the passive radiator assembly comprises a passive radiator core body 3, the passive radiator core body 3 comprises a radiating component and a heat exchange tube, and the radiating component of the passive radiator core body 3 is a radiating fin. The top surface of the passive radiator core body 3 is bolted with a liquid storage tank 31 for storing cooling liquid, the bottom surface of the liquid storage tank 31 is communicated with the top end of the heat exchange tube of the passive radiator core body 3, and the top end of the liquid storage tank 31 is provided with an exhaust hole (not shown in the figure). An exhaust funnel (not shown in the figure) is further welded at the top end of the liquid storage box 31, the exhaust funnel is arranged in the vertical direction, and the bottom end of the exhaust funnel is communicated with the exhaust hole. The cover body 32 is sleeved on the outer side of the exhaust cylinder, and the exhaust holes can be covered by the cover body 32, so that rainwater is prevented from falling into the exhaust holes. In this embodiment, the outer side of the exhaust funnel is provided with an external thread, the inner side wall of the cover 32 is provided with an internal thread, and the cover 32 is in threaded fit with the exhaust funnel.

Further, in order to ensure that the liquid storage tank 31 smoothly discharges gas or sucks air, a first hole 321 is formed in the top surface of the cover 32, and meanwhile, an exhaust structure is further installed in the cover 32 and used for discharging gas or sucking air from the liquid storage tank 31.

Specifically, exhaust structure is including inlaying barrel 33 in lid 32, and constant head tank 322 has been seted up to the inner wall top surface of barrel 33, and first hole 321 is seted up on constant head tank 322 roof, and barrel 33's top embedding constant head tank 322, barrel 33's top surface and the roof laminating of constant head tank 322, and barrel 33 and first hole 321 intercommunication. The two ends of the cylinder 33 are both formed with annular first flanges 331, and the first flanges 331 are folded towards the inner side of the cylinder 33. The first plate 34 is placed in the cylinder 33, and the bottom surface of the first plate 34 abuts against the first flange 331 at the bottom end of the cylinder 33, so as to close the opening at the bottom end of the cylinder 33. The first plate 34 is provided with a second hole 342, the bottom surface of the first plate 34 is provided with a circular second plate 35, and the second plate 35 is used for covering the second hole 342. The first barrel 33 is further provided with a first elastic member 341 for urging the first plate 34 against the first flange 331 and a second elastic member 353 for urging the second plate 35 against the first plate 34. In this embodiment, the second hole 342 coincides with the axis of the cylinder 33, and the movement of the second plate 35 is not interfered by the first flange 331.

The first elastic member 341 and the second elastic member 353 are both springs, the first elastic member 341 is installed in the cylinder 33, one end of the first elastic member 341 abuts against the first flange 331 at the top end of the cylinder 33, the other end of the first elastic member 341 abuts against the first plate 34, and the first elastic member 341 is in a compressed state. The rod 351 is integrally formed on the second plate 35, the rod 351 extends upwards through the second hole 342, the block 352 is integrally formed on the top end of the rod 351, the second elastic member 353 is sleeved outside the rod 351, one end of the second elastic member 353 abuts against the bottom surface of the block 352, the other end of the second elastic member 353 abuts against the top surface of the first plate 34, and the second elastic member 353 is also in a compressed state.

When the air pressure in the liquid storage tank 31 is greater than the air pressure of the external environment, the first plate 34 is biased upward against the resistance of the first elastic member 341, and the air in the liquid storage tank 31 may be discharged through the gap between the first plate 34 and the first flange 331. When the air pressure in the liquid storage tank 31 is lower than the air pressure of the external environment, the second plate body 35 overcomes the resistance of the second elastic member 353 and deflects downward, and the external air can flow in from the gap between the second plate body 35 and the first plate body 34, so that the pressure stability in the liquid storage tank 31 and the pipeline is ensured.

Further, the L-shaped outlet pipe 36 is installed in the first hole 321, a first end of the outlet pipe 36 is inserted into the first hole 321 along the vertical direction, and a second end of the outlet pipe 36 is opened along the horizontal direction. An annular protrusion 361 is integrally formed at a first end of the side surface of the air outlet pipe 36, and after the air outlet pipe 36 is inserted into the first hole 321, the protrusion 361 abuts against the inner wall of the cover 32, so that the air outlet pipe 36 can be locked, and the air outlet pipe 36 is prevented from falling off from the first hole 321. In this embodiment, in order to ensure that the protrusion 361 can smoothly slide through the first hole 321 when the air outlet tube 36 is installed, the air outlet tube 36 and the protrusion 361 are made of plastic capable of elastically deforming, such as PVC, or rubber may be used.

Further, a first liquid level sensor 311 and a second liquid level sensor 312 are mounted on an outer side wall of the liquid storage tank 31, the first liquid level sensor 311 is higher than the second liquid level sensor 312, the first liquid level sensor 311 is in a normally closed state, and the second liquid level sensor 312 is in a normally open state (when the coolant flows over the second liquid level sensor 312, the liquid level sensors are in a closed state). With first level sensor 311 and second level sensor 312 and staff's PC electric connection, can transmit the liquid level data of the coolant liquid that first level sensor 311 and second level sensor 312 monitored to staff's PC, be convenient for the staff to know whether the coolant liquid of liquid reserve tank 31 needs to supply or discharge. If the liquid level of the coolant is higher than the first liquid level sensor 311, it means that the coolant is too much and needs to be discharged, and if the liquid level of the coolant is lower than the second liquid level sensor 312, it means that the coolant is too little and needs to be replenished in time.

Referring to fig. 1, 8 and 9, the following describes the specific structure of the frame assembly:

the frame assembly comprises two upright posts 4 bolted to the top surface of the fan cabin, and the two upright posts 4 are both installed in the vertical direction. The passive radiator assembly is arranged between the two upright posts 4, the top ends of the two upright posts 4 are also bolted with connecting pieces 42, and two ends of each connecting piece 42 are respectively bolted with the top ends of the two upright posts 4. Each upright 4 is also bolted at its side with a support 43, one end of the support 43 being bolted to the side of the upright 4 and the other end of the support 43 being bolted to the top face of the nacelle of the wind turbine.

Further, the equal integrated into one piece in both sides of stand 4 has first pterygoid lamina 41, two first pterygoid lamina 41 are all bent through the panel beating and are handled, make two first pterygoid lamina 41 parallel of each other, and all perpendicular with the side of stand 4, the equal integrated into one piece in both sides of connecting piece 42 has second pterygoid lamina 421, second pterygoid lamina 421 is all bent through the panel beating and is handled, make two second pterygoid lamina 421 parallel of each other, and all perpendicular with the side of connecting piece 42, set up the ability of resistance to deformation when first pterygoid lamina 41 and second pterygoid lamina 421 can improve stand 4 and connecting piece 42 atress.

Specifically, two supporting members 43 are located on the same side of the vertical column 4, and the two supporting members 43 are parallel to each other and all obliquely arranged, that is, a stable triangular structure is formed between the supporting members 43 and the top surface of the fan nacelle and between a part of the vertical column 4 close to the top surface of the fan nacelle, so that the stability of the vertical column 4 can be improved.

Furthermore, the side of the second wing plate 421 is further provided with four threaded holes (not shown in the figure), the four threaded holes are respectively provided with a safety anchor point 422, and the safety anchor point 422 is in threaded fit with the threaded holes. When the staff need maintain passive radiator assembly, can hang the safety rope on safe anchor point 422, guarantee staff's personal safety.

Furthermore, still install between two stands 4 and draw the subassembly to one side, draw the subassembly to one side and wrap two articulated oblique pull plates 44 each other, the articulated axis between two oblique pull plates 44 sets up along the horizontal direction, and the line between two stands 4 of perpendicular to. The angle steel is selected for use for both diagonal draw plates 44, the side faces of both diagonal draw plates 44 are mutually attached, the two ends of the side face of each diagonal draw plate 44 are respectively attached to and bolted to the first wing plates 41 of the two upright posts 4, and an avoiding groove is formed in the end part of one of the diagonal draw plates 44 so as to ensure that the diagonal draw plates 44 can be attached to the side faces of the first wing plates 41.

Specifically, the side of the first wing plate 41 is integrally formed with an L-shaped second flange 45, and the second flange 45 is formed on the side of the two columns 4 facing each other. The passive radiator assembly is installed between the two second flanges 45, and both sides of the passive radiator assembly are bolted with the two second flanges 45 respectively. In order to improve the stability of the second flange 45, the side surface of the second flange 45 is also welded and fixed with a platy reinforcing rib 451, the reinforcing rib 451 is arranged along the horizontal direction, the second flange 45 is composed of a first body and a second body which are integrally formed, the first body and the second body are mutually vertical, and the reinforcing rib 451 is welded between the first body and the second body, so that the strength of the second flange 45 can be improved, and the second flange 45 is prevented from being deformed and bent.

Referring to fig. 1, 10 and 11, in addition, in the present embodiment, the second pipe 61 is further communicated with an exhaust valve block assembly, the second pipe 61 includes a first portion and a second portion, the first portion is communicated with a liquid inlet of the exhaust valve block assembly and a liquid outlet of the pump station, and the first portion bypasses the frequency converter; the second part is communicated with a liquid outlet of the exhaust valve block assembly and the temperature control valve assembly, and the specific structure of the exhaust valve block assembly is described as follows:

the exhaust valve block assembly comprises a first shell 5 and a second shell 54 which are bolted, a second mounting hole 51 is formed in the first shell 5, a second automatic exhaust valve 511 is mounted in the second mounting hole 51, the second automatic exhaust valve 511 is in threaded fit with the second mounting hole 51, and a third valve 52 is further arranged between the first shell 5 and the second shell 54. The first shell 5 is also provided with a first channel 53, one end of the first channel 53 is communicated with the third valve 52, and the other end is communicated with the second mounting hole 51; the second housing 54 is opened with a second passage 541, one end of the second passage 541 is communicated with the third valve 52, and the other end is communicated with the outer side surface of the second housing 54. In addition, the first passage 53 is communicated with a third passage 531, one end of the third passage 531 is communicated with the outer side surface of the first housing 5, in the embodiment, the third passage 531 is communicated with the first part of the second pipe 61, the second passage 541 is communicated with the second part of the second pipe 61, and the flowing cooling liquid flows in from the third passage 531, flows through the first passage 53 and the third valve 52, and finally flows out from the second passage 541.

The coolant in the second pipe 61 is heated and gasified by the frequency converter to generate gas, when the coolant and the gas flow through the exhaust valve block assembly, the second automatic exhaust valve 511 is opened to exhaust the gas at the top end of the passive water cooling system pipeline, so that the gas in the passive water cooling system pipeline is reduced, the influence of the gas on heat exchange between the coolant and the heat exchanger is reduced, the cooling of the coolant can be accelerated, and the heat dissipation efficiency of the passive water cooling system is improved. When the exhaust valve block assembly needs maintenance, the third valve 52 may be closed and maintenance may be performed.

The working principle is as follows:

the temperature-sensing valve assembly in this scheme can change the volume of the coolant liquid of accepting passive radiator cooling and handling along with the change of coolant liquid temperature to adjust the temperature of coolant liquid, when the temperature of coolant liquid was higher than first temperature, temperature-sensing valve assembly guided coolant liquid and flowed through passive radiator, makeed the coolant liquid accept passive radiator assembly's cooling and handle. When the temperature of the cooling liquid is lower than the second temperature, the temperature control valve assembly guides the cooling liquid to directly flow back to a pipeline of the water cooling system, the cooling liquid is prevented from being cooled by the passive radiator assembly, the temperature of the cooling liquid can be kept in a proper temperature range, and the frequency converter and the gear box are guaranteed to normally work. Meanwhile, the scheme utilizes the first automatic exhaust valve 26 and the second automatic exhaust valve 511 to exhaust gas formed by gasifying the cooling liquid, thereby reducing the damage of the gas to the impeller of the inner cavity of the pump body 2 and reducing the influence of the gas on the heat exchange speed between the cooling liquid and the passive radiator.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A passive water cooling system is characterized in that: the oil-water plate heat exchanger is used for driving cooling liquid to circularly flow between the oil-water plate heat exchanger and the temperature control valve assembly, the temperature control valve assembly is communicated with the passive radiator, and when the temperature of the cooling liquid flowing into the temperature control valve assembly is higher than a first temperature, the temperature control valve assembly controls the cooling liquid to flow through the passive radiator and then flow out of the temperature control valve assembly; when the temperature of the cooling liquid is lower than the second temperature, the temperature control valve assembly controls the cooling liquid to directly flow out of the temperature control valve assembly.

2. A passive water cooling system as claimed in claim 1, wherein: the temperature control valve assembly is including seting up the casing of cavity, inlet and the liquid outlet that is used for communicateing the water cooling system pipeline are seted up to the lateral wall of cavity, first opening and the second opening that is used for communicateing passive radiator are still seted up to the lateral wall of cavity, still be equipped with temperature control component and valve module in the cavity, temperature control component is used for control the valve module operation, the valve module configuration is:

when the temperature of the cooling liquid in the pipeline of the water cooling system is higher than a first temperature, the valve assembly cuts off the cavity, so that the liquid inlet is communicated with the first opening only through the cavity, and the liquid outlet is communicated with the second opening only through the cavity;

when the temperature of the cooling liquid in the pipeline of the water cooling system is lower than a second temperature, the valve assembly closes the first opening and removes the partition state of the cavity, so that the liquid inlet is directly communicated with the liquid outlet through the cavity.

3. A passive water cooling system as claimed in claim 2, wherein: a sealing ring, a sealing element and a baffle are arranged in the cavity, the sealing ring and the sealing element are respectively positioned at two sides of the first opening, the baffle is arranged between the sealing element and the second opening, a sealing barrel is also arranged in the cavity in a sliding manner, the sealing barrel penetrates through the sealing element, the end surface of the sealing barrel is parallel to the baffle, the sealing element is used for sealing a gap between the sealing barrel and the side wall of the cavity, the temperature control component is used for driving the sealing barrel to slide,

when the temperature of the cooling liquid in the pipeline of the water cooling system is higher than a first temperature, the temperature control assembly pushes the sealing cylinder to slide to one end of the sealing cylinder to be abutted against the baffle plate, and a gap is reserved between the sealing cylinder and the sealing ring;

when the temperature of the cooling liquid in the water cooling system pipeline is lower than the second temperature, the temperature control assembly pulls the sealing cylinder to slide to the sealing cylinder to be abutted against the sealing ring, and a gap is formed between the sealing cylinder and the baffle.

4. A passive water cooling system as claimed in claim 3, wherein: the temperature control assembly is a thermal bulb, and an ejector pin of the thermal bulb is connected with the sealing cylinder.

5. A passive water cooling system as claimed in claim 1, wherein: the pump station assembly is including the pump body that is used for the pump sending coolant liquid, the pump body is equipped with temperature monitoring subassembly, controller and heating element, the temperature monitoring subassembly is used for the monitoring to flow through the coolant liquid temperature of the pump body, heating element is used for the heating to flow through the coolant liquid of the pump body, the controller basis the temperature data control of temperature monitoring subassembly monitoring the heating element operation.

6. A passive water cooling system as claimed in claim 5, wherein: the side of the pump body is provided with a first automatic exhaust valve, and the first automatic exhaust valve is communicated with the top wall of the inner cavity of the pump body.

7. A passive water cooling system as claimed in claim 1, wherein: the passive radiator assembly includes passive radiator core, the top of passive radiator core is equipped with the liquid reserve tank, the liquid reserve tank is used for storing the coolant liquid, the liquid reserve tank with the heat exchange tube top intercommunication of passive radiator core, the top of liquid reserve tank is equipped with the exhaust hole, the liquid reserve tank still is equipped with and is used for coveing the lid in exhaust hole, the lid is equipped with exhaust structure, exhaust structure is used for supplying liquid reserve tank exhaust gas or the air of inhaling.

8. A passive water cooling system as claimed in claim 7, wherein: the cover body is provided with a first hole, the exhaust structure comprises a cylinder body, the end face of the cylinder body is attached to the inner wall of the cover body, the cylinder body is communicated with the first hole, one end of the cylinder body is provided with a first flanging, a first elastic piece is arranged in the cylinder body, one end of the first elastic piece is provided with a first plate body, the first plate body is attached to the first flanging under the action of the first elastic piece to cover the opening in one end of the cylinder body, the first plate body is provided with a second hole, a second plate body is movably arranged on the first plate body, the first plate body is provided with a second elastic piece, the second elastic piece is used for driving the second plate body to be attached to the first plate body to cover the second hole, and the second plate body is located on the same side of the first plate body with the first flanging.

9. A passive water cooling system as claimed in claim 8, wherein: the first hole is provided with an air outlet pipe, the first end of the air outlet pipe is inserted into the first hole, and the opening of the second end of the air outlet pipe is arranged along the horizontal direction.

10. A passive water cooling system as claimed in claim 1, wherein: the pipeline includes first pipe and second pipe, the inlet of pump station assembly with pass through between the liquid outlet of temperature-sensing valve assembly first pipe intercommunication, the second pipe is used for the intercommunication the liquid outlet of pump station assembly with the inlet of temperature-sensing valve assembly, just the converter is walked around to the second pipe, the second pipe intercommunication has exhaust valve piece assembly, exhaust valve piece assembly is equipped with second automatic exhaust valve on the coolant flow direction in the second pipe, exhaust valve piece assembly is located the place ahead of converter.

Images