CN111741666A

CN111741666A - Negative pressure structure and assembly of liquid cooling radiator and liquid cooling radiator

Info

Publication number: CN111741666A
Application number: CN202010777073.7A
Authority: CN
Inventors: 程嘉俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-08-05
Publication date: 2020-10-02
Also published as: CN212786381U; CN111417294A

Abstract

The invention discloses a negative pressure structure, which is characterized in that a negative pressure structure is introduced between a high-pressure part and a protected liquid path section to enable cold liquid in a liquid cooling radiator to keep negative pressure at least between the protected liquid path sections, so that outward liquid leakage caused by temperature rise or pumping pressure after the liquid cooling radiator is damaged is avoided, and products containing the negative pressure structure, such as a liquid cooling fuse, a negative pressure liquid storage and heat dissipation blanket, a negative pressure integrated cold head, a negative pressure heat dissipation row, a negative pressure fluid pump and a liquid cooling radiator, are disclosed. The negative pressure structure is connected with the liquid cooling radiator after the volume of the variable volume cavity is compressed to generate negative pressure.

Description

Negative pressure structure and assembly of liquid cooling radiator and liquid cooling radiator

Technical Field

The invention relates to the technical field of liquid cooling heat dissipation for radiating electronic circuit equipment including a computer host, a power supply, a charging pile and the like, in particular to a negative pressure structure, an assembly and a liquid cooling radiator of a liquid cooling radiator.

Background

With the development of science and technology, the power consumption of electrified equipment such as computers, charging piles and the like is gradually increased, the heat dissipation requirement is urgent, three types of radiators with poor effects are available in the market at present, namely a passive radiator 1 with only heat dissipation fins and insufficient heat dissipation capacity is available; 2, the air-cooled radiator is additionally provided with a fan on the basis of radiating fins, so that the radiating capacity is enhanced, but the wind noise is large; 3 liquid cooling radiator, common liquid cooling radiator all is the malleation radiator in the existing market, because of the water pump to liquid cooling head pump water promptly, cold liquid is heated the thermal expansion simultaneously and leads to containing the liquid cooling head in key liquid highway section liquid way internal pressure be greater than external atmospheric pressure, in case the damage can outside weeping promptly, because present liquid cooling head interface is inside at the case again, so in case the weeping just causes serious electrical damage easily. The scheme of the prior patent CN201810622807.7 is too complex, is not beneficial to environmental protection, and the cold liquid is easy to boil to cause cold liquid leakage due to too low negative pressure. The schemes of patents CN201910733274.4 and CN201910244160.3 are all pressure relief modes when the internal hydraulic pressure is greater than the threshold, and the internal hydraulic pressure of the liquid cooling radiator is greater than the outside, so that once the radiator is damaged, the leakage cannot be avoided.

Disclosure of Invention

The negative pressure structure, the assembly and the liquid cooling radiator of the liquid cooling radiator are provided for solving the problems of liquid leakage and derived electrical faults generated when the electronic circuit equipment is cooled and radiated by adopting liquid cooling.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model discloses a liquid cooling radiator, includes water pump, pipeline, cold head, including the liquid cooling fuse, the liquid cooling fuse is a container, and internal pressure is less than the external world, including the casing, the casing volume is variable, including the deformable part, the liquid cooling fuse include at least with the elastic mechanism of deformable part deformation simultaneously or the deformable part has the resilience force, liquid in the other parts of sealed UNICOM liquid cooling radiator behind the deformation of the deformable part of casing, the liquid cooling fuse draw forth a mouth of pipe connect in parallel in other parts of liquid cooling radiator or through drawing forth a business turn over liquid mouth respectively and establish ties in wantonly between other parts of liquid cooling radiator and make the liquid cooling fuse drain pipe in the inner submergence in the cold liquid of liquid cooling fuse.

The utility model discloses a liquid cooling radiator, includes water pump, pipeline, cold head, including the liquid cooling fuse, the liquid cooling fuse is a container, and internal pressure equals the external world, including the casing, at least the casing includes that the flexible part self-adaptation casing that flexible material made liquid volume change or the outside atmospheric pressure of inside intercommunication of liquid cooling fuse, the liquid cooling fuse draws a mouth of pipe and connects in parallel in the liquid cooling radiator water outlet to key position water inlet or the liquid cooling fuse is established ties in the liquid cooling radiator water outlet to key position water inlet between and makes through drawing out a business turn over liquid mouth respectively the liquid cooling fuse drain pipe in the inner submergence of liquid cooling fuse is in the cold liquid, key position is the key leak protection liquid position of needs.

Preferably, the liquid-cooled fuse is disposed at the lowest elevation of the liquid-cooled radiator.

Preferably, the liquid cooling fuse is a pipeline, one end of the pipeline is connected with a pipeline from the liquid outlet of the water pump to the liquid inlet of the key part in parallel, and the other end of the pipeline is communicated with the external atmospheric pressure.

Preferably, the liquid-cooled fuse is integrated with at least one of a liquid-cooled head, a water pump, a pipeline, a heat dissipation device, a liquid storage device and a connector.

The utility model discloses a liquid cooling radiator, includes water pump, pipeline, cold head, arranges including the negative pressure heat dissipation, the negative pressure heat dissipation is arranged including the heat dissipation, the heat dissipation is arranged including the elasticity cavity, liquid way in the heat dissipation of elasticity cavity UNICOM, the compression is arranged in the negative pressure heat dissipation other parts of sealed UNICOM liquid cooling radiator behind the elasticity cavity.

The utility model discloses a liquid cooling radiator, including water pump, pipeline, including integrative negative pressure liquid cold head, integrative negative pressure liquid cold head includes shell, water pump, cold piece, the shell includes the flexible part that flexible material made, the water pump is fixed in the shell with in the inner space that cold piece sealing connection formed, the shell open have a inlet with water pump inlet sealing connection has still opened a liquid outlet, establish ties through business turn over liquid mouth and outside liquid way after the negative pressure liquid cold head deformation, the flexible part have the resilience force or integrative negative pressure liquid cold head including install in the shell inside with the elastic mechanism of flexible part deformation simultaneously.

The utility model discloses a liquid cooling radiator, includes water pump, pipeline, extends the liquid cooling head outside quick-witted case including the interface, the interface extends the liquid cooling head outside quick-witted case includes heat conduction tubular product and briquetting, whole coiling becomes the heliciform or M shape or the U-shaped pressure of one or several circles in the middle of the heat conduction tubular product and buries in the cold block and form the cooling surface, and both ends interface extends outside quick-witted case.

The utility model discloses a liquid cooling radiator, includes water pump, pipeline, cold head, including water pump noise insulation, water pump noise insulation is sealed nested by big or small several container and forms, and the water pump is put into the innermost container and is sealed from each container trompil in proper order and draws out business turn over liquid pipeline and water pump electric wire outside water pump noise insulation, with the evacuation and sealed between the container.

The utility model discloses a liquid cooling radiator, includes water pump, pipeline, cold head, including depositing the liquid device, it adopts waterproof film to make the tiling of heat dissipation water blanket and places in radiator height above sea level minimum to deposit the liquid device, adds other parts of cold liquid through business turn over liquid pipe connection liquid cooling radiator, business turn over liquid pipe way keeps away from each other in heat dissipation water blanket the inner and arranges, go out the pipeline inlet and submerge in cold liquid.

Avoid the liquid cooling head interface to leak and lead to electrical fault outside arranging the quick-witted case in outside with the liquid cooling head pipeline, produce the resilience force through liquid cooling fuse casing deformation and introduce negative pressure or UNICOM external atmospheric pressure and place in liquid cooling radiator height above sea level lower place and utilize cold liquid gravity to guarantee key liquid highway section (in case the liquid cooling section that water leakage liquid can produce serious consequence promptly) normality negative pressure operation, and do not need extra equipment to keep the negative pressure, cold liquid is difficult for leaking when making the damage appear, in time discover liquid cooling radiator liquid circuit damage and extension liquid cooling radiator liquid circuit slight damage back radiator rescue time in case through the liquid cooling fuse. The damage of possible leakage to the circuit hardware is reduced in principle. The noise level brought by the full heat dissipation of the liquid cooling radiator is reduced by the fanless heat dissipation design and the additionally arranged water pump sound insulation tank. By increasing the capacity of the liquid storage device and the heat dissipation area, high heat absorption and heat dissipation efficiency can be provided by adopting a heat dissipation water blanket.

Discloses a negative pressure structure, which comprises a shell and a shell, wherein the shell is partially or completely a deformable part made of flexible materials such as silica gel, rubber, plastic films and corrugated pipes, the shell is sealed and deforms through the deformable part to change the volume to form a sealed variable volume cavity, the variable volume cavity is sealed and parallelly connected into a liquid cooling radiator through a parallel point at a liquid port after the volume is reduced or is sealed and serially connected into the liquid cooling radiator through a serial point in the liquid cooling radiator through a liquid inlet and a liquid outlet respectively to enable the variable volume cavity to be hermetically communicated with cold liquid in the liquid cooling radiator, at least one of a1 or a2 or a3 or a4 is satisfied, so that the cold liquid pressure in the liquid cooling radiator at least in the reverse cold liquid flowing direction from a liquid inlet of a fluid pump to the parallel point or the liquid path between the serial points is less than the external atmospheric pressure,

a1, the deformable part is made of elastic material such as silica gel and rubber, the elastic force is larger than the force required by the volume-variable cavity to recover at least partial volume after the liquid-cooled radiator is damaged,

a2, means for increasing potential energy due to volume reduction of said variable volume chamber being provided within or outside said variable volume chamber, said means generating a force greater than the force required by said variable volume chamber to recover at least part of its volume following breakage of said liquid-cooled heat sink,

a3, a power device such as a motor or a pressure pump or an electromagnet is arranged in or outside the variable volume cavity, the power device directly or indirectly acts on a cavity which generates displacement along with the volume change in the variable volume cavity through a transmission device such as a push rod, a pull rope or a pressure transmission device such as a pipeline and a piston, the force acting on the cavity which generates the displacement is larger than the force required by the variable volume cavity for recovering at least partial volume after the liquid cooling radiator is damaged,

a4 at least part of the volume to be restored of the variable volume cavity is below the altitude of all cold liquid in the liquid section which needs to pass through the negative pressure structure and make the cold liquid pressure in the variable volume cavity less than the external atmospheric pressure, the variable volume cavity contains the cold liquid, and the variable volume cavity can restore at least part of the volume after a damaged opening is generated in the liquid section which needs to pass through the negative pressure structure and make the cold liquid pressure in the variable volume cavity less than the external atmospheric pressure only by the gravity of the cold liquid in the variable volume cavity.

The negative pressure structure comprises a shell, wherein the shell is partially or completely of a piston and piston chamber structure, the piston and the piston chamber structure are in sealed sliding connection, one of the piston and the piston chamber structure is a fixed part and is fixed or integrated in the shell, the other is a moving part, the shell is sealed and forms a sealed variable volume cavity through the movement of the moving part, the variable volume cavity is reduced in volume and then is hermetically connected in parallel with a parallel point in a liquid cooling radiator through a liquid port or is hermetically connected in series with a sealed liquid path in the liquid cooling radiator through a serial point in the liquid cooling radiator through a liquid inlet and a liquid outlet respectively, so that the variable volume cavity is hermetically communicated with cold liquid in the liquid cooling radiator, at least one of b1, b2 and b3 is satisfied, and the cold liquid pressure in the liquid cooling radiator at least in the reverse cold liquid flowing direction from a liquid inlet of a fluid pump to the parallel point or the liquid path,

b1, means for increasing potential energy due to volume reduction of said variable volume chamber being provided within or outside said variable volume chamber, said means generating a force greater than the force required by said variable volume chamber to recover at least part of its volume following breakage of said liquid-cooled heat sink,

b2 a power device such as a motor or a pressure pump or an electromagnet is arranged in or outside the variable volume cavity, the power device directly or indirectly acts on the cavity which is changed along with the volume and generates displacement in the variable volume cavity through a transmission device such as a push rod, a pull rope or a pressure transmission device such as a pipeline and a piston, the force acting on the cavity which generates the displacement is larger than the force required by the variable volume cavity for recovering at least partial volume after the liquid cooling radiator is damaged,

b3 at least part of the volume to be recovered of the variable volume cavity is located below the altitude of all cold liquid in the liquid section which needs to pass through the negative pressure structure to enable the cold liquid hydraulic pressure in the variable volume cavity to be less than the external atmospheric pressure, the variable volume cavity contains the cold liquid, and the variable volume cavity can recover at least part of the volume after a damaged opening is generated in the liquid section which needs to pass through the negative pressure structure to enable the cold liquid hydraulic pressure in the variable volume cavity to be less than the external atmospheric pressure only by the cold liquid in the variable volume cavity and the gravity of the moving part.

Preferably, the potential energy increasing device comprises an elastic potential energy device such as a spring and a spring plate, two ends of the device which change positions with each other are mounted at one end of the shell and the other end is mounted on the deformable part or another shell which is connected with the deformable part in a sealing way, one end of the device is mounted on the shell or the fixed part and the other end is mounted on the moving part, the potential energy increasing device comprises a pressure potential energy device such as a capsule and a piston structure, two ends of the device which change positions with each other are mounted at one end of the shell and the other end is mounted on the deformable part or another shell which is connected with the deformable part in a sealing way, one end of the device is mounted on the shell or the fixed part and the other end is mounted on the moving part, the potential energy increasing device comprises a magnetic potential energy device such as a magnet pair or a magnet and a magnetized body such as iron cobalt nickel, two ends of One end of the device is arranged on the shell or the other end of the fixing part is arranged on the moving part, the device for increasing potential energy comprises a gravitational potential energy device such as a balancing weight and a weight, and the device is directly connected with the deformable part or the moving part or indirectly connected with the deformable part or the moving part through a force transmission mechanism such as a lever, a fixed pulley and a rope.

The utility model discloses a negative pressure structure, which comprises a housin, the sealed chamber that forms of casing, the sealed chamber is equipped with the sealed external atmospheric pressure of intercommunication of at least one gas pocket, sealed intracavity liquid level is less than the gas pocket, the sealed chamber satisfies one in e1, e2, e3 at least, e1 the sealed chamber is through the sealed parallelly connected cold radiator of parallelly connected some sealing in liquid cooling radiator of a liquid mouth, liquid mouth or sealing connection the pipeline of liquid mouth in the sealed intracavity submergence in cold liquid, sealed intracavity liquid level elevation is less than all cold liquid in the liquid cooling radiator against cold liquid flow direction by fluid pump inlet to in the parallelly connected some section liquid way, connect contain sufficient cold liquid in the liquid way of negative pressure structure and liquid cooling radiator and make in the liquid cooling radiator against cold liquid flow direction by fluid pump inlet to when producing the damaged mouth in the parallelly connected some section liquid way because of linker principle causes the cold liquid in the liquid cooling radiator not flow from the damaged mouth to external world and flow into negative pressure from the parallelly connected point In the structure, e2 when the sealed chamber passes through the business turn over liquid mouth and seals the series connection of series connection point in liquid cooling radiator liquid outlet or sealing connection the pipeline of liquid outlet submerges in the cold liquid in sealed chamber inner end, liquid level elevation is less than the fluid pump and makes in the liquid cooling radiator inverse cold liquid flow direction through the pump suction along fluid pump inlet to the highest elevation that the liquid outlet section of negative pressure structure can maintain of damage mouth its interior cold liquid hydraulic pressure is less than external atmospheric pressure after appearing the damage mouth, e3 when the sealed chamber passes through the business turn over liquid mouth and seals the series connection of series connection point in the liquid cooling radiator liquid outlet or sealing connection the pipeline of liquid outlet submerges in sealed chamber inner end in cold liquid, liquid level elevation in the sealed chamber is less than in the liquid cooling radiator inverse cold liquid flow direction by fluid pump inlet to all cold liquids in the liquid way of parallel connection point section liquid path, connect contain sufficient cold liquid in the liquid path of negative pressure structure and liquid cooling radiator makes in When the moving direction is from the liquid inlet of the fluid pump to the broken port of the liquid path at the section of the parallel point, the cold liquid in the liquid cooling radiator does not flow to the outside from the broken port due to the principle of the communicating vessel and flows into the negative pressure structure from the parallel point.

Preferably, the negative pressure structure is connected in parallel or in series between a fluid outlet of the fluid pump and a fluid path section which needs to pass through the negative pressure structure and enables the hydraulic pressure of cold fluid in the negative pressure structure to be smaller than the external atmospheric pressure in the liquid cooling radiator.

Preferably, the liquid cooling radiator is connected with the negative pressure structure in parallel, and a connection port faces below a horizontal plane.

Preferably, when the negative pressure structure is connected in parallel to the external fluid path through one fluid port, the negative pressure structure is connected in parallel to the external fluid path through a guiding manifold, the guiding manifold at least comprises a first port which is in sealing communication with an internal first fluid path and an external fluid path fluid inlet, a second port which is in sealing communication with an internal second fluid path and an external fluid path fluid outlet, and a third port which is in sealing communication with an internal third fluid path and a negative pressure structure internal variable volume cavity or a sealing cavity, the internal first fluid path, the internal second fluid path and the internal third fluid path are positioned inside the guiding manifold and are communicated with each other, the turning angle of the cold fluid from the internal second fluid path to the internal first fluid path or from the internal first fluid path to the internal second fluid path is greater than 90 degrees, the turning angle of the cold fluid from the internal third fluid path to the internal second fluid path or from the internal second fluid path to the internal third fluid path is less than 90 degrees, that is the cold fluid preferentially flows out from the internal third fluid path, the third port is directed below the horizontal plane.

A liquid-cooled fuse is disclosed, which at least comprises any one negative pressure structure.

Preferably, the liquid cooling fuse includes that sensing device is in order to detect the change of the interior cold liquid volume of liquid cooling fuse to through different voltage of wire output according to different situation, the sensor include pressure sensor install in become volume chamber or seal chamber outer bottom detect its weight change, include that liquid level detector install in become volume chamber or seal chamber wall detect its liquid level altitude variation, include that capacitance detector install in it detects its liquid level altitude variation in become volume chamber or the seal chamber, include that the magnetic inductor detects receive the displacement that magnet such as iron cobalt nickel or magnet produced because of becoming volume chamber volume change in potential energy device or the power device.

Preferably, the liquid-cooled fuse includes an alarm device, which triggers an alarm when the sensing device outputs a voltage satisfying a specific condition, the alarm device includes an optical alarm such as led lamp, a flashing lamp, and an acoustic alarm such as buzzer, horn.

Preferably, the liquid-cooled fuse includes an actuating device, when the sensing device in the liquid-cooled fuse outputs a voltage satisfying a specific condition, the actuating device actuates to cut off a power supply of an external device receiving heat dissipation of the liquid-cooled radiator, and the actuating device includes a relay and an air switch.

Preferably, the shell is at least provided with a framework or a shell outside so as to reserve a space for accommodating the shell with the increased volume.

A negative-pressure liquid-storing and heat-dissipating blanket is composed of a liquid-proof soft film made of rubber, silica gel, polyethylene, polypropylene, or aluminium film, a sealed bag with sealed mouth, a liquid-cooling radiator with liquid inlet and outlet tubes connected serially between the liquid outlet and the negative-pressure leakage-proof protecting segment, and a liquid-cooling radiator with liquid inlet and outlet tubes connected serially between said liquid outlet and liquid outlet.

The negative pressure integrated cold head at least comprises any one negative pressure structure, a fluid pump, a cold block and a top cover, wherein the negative pressure structure and the fluid pump are arranged in a shell formed by connecting the top cover and the cold block, the shell is provided with a liquid inlet and a liquid outlet which are hermetically communicated with other components of a liquid cooling radiator, the cold block forms a part of a variable volume cavity or a sealed cavity of the negative pressure structure and meets c1 or c2 and c1, the fluid pump is arranged in the variable volume cavity or the sealed cavity, a liquid inlet of the fluid pump is hermetically connected with a liquid inlet of the variable volume cavity or the sealed cavity, a liquid outlet of the fluid pump is communicated with the variable volume cavity or the sealed cavity, a liquid inlet of the fluid pump is additionally arranged in the variable volume cavity or the sealed cavity, the liquid inlet of the variable volume cavity or the sealed cavity is hermetically communicated with the liquid inlet and the liquid outlet of the shell, c2 the fluid pump is arranged outside the variable volume cavity or the sealed cavity, the fluid pump liquid outlet is communicated with the shell liquid outlet in a sealing mode, and the negative pressure structure is connected between the fluid pump liquid outlet and the shell liquid outlet in series or in parallel in a sealing mode.

Disclosed is a negative pressure integrated cold head, which at least comprises any one negative pressure structure, a fluid pump, a cold block and a top cover, wherein the negative pressure structure and the fluid pump are arranged in a shell formed by connecting the top cover and the cold block, the shell is provided with a liquid inlet and a liquid outlet which are hermetically communicated with other components of a liquid cooling radiator, the cold block does not form a variable volume cavity or a sealed cavity, the cold block and the top cover are hermetically formed into a small cavity, the small cavity is provided with a liquid inlet and a liquid outlet which are hermetically communicated with cold liquid inside and outside the small cavity to meet d1, d2, d3 and d1, the fluid pump is arranged in the variable volume cavity or the sealed cavity, a liquid inlet of the fluid pump is hermetically connected with a liquid inlet of the variable volume cavity or the sealed cavity, a liquid outlet of the fluid pump is communicated with the variable volume cavity or the sealed cavity, a liquid outlet of the variable volume cavity or the sealed cavity is additionally provided, the variable volume cavity or sealed cavity liquid inlet is hermetically communicated with the small cavity liquid outlet, the small cavity liquid inlet is hermetically communicated with the shell liquid inlet, or the shell liquid outlet is hermetically communicated with the small cavity liquid outlet, the small cavity liquid inlet is hermetically communicated with the variable volume cavity or sealed cavity liquid outlet, the variable volume cavity or sealed cavity liquid inlet is hermetically communicated with the shell liquid inlet, d2 the fluid pump is installed outside the variable volume cavity or sealed cavity and the small cavity, the shell liquid outlet is hermetically connected with the small cavity liquid outlet, the small cavity liquid inlet is hermetically connected with the fluid pump liquid outlet, the fluid pump liquid inlet is hermetically connected with the shell liquid inlet, the negative pressure structure is hermetically connected in series or in parallel between the fluid pump liquid outlet and the small cavity liquid inlet, or the shell liquid outlet is hermetically connected with the fluid pump liquid outlet, the fluid pump inlet is hermetically connected with the small cavity liquid outlet, the small cavity liquid inlet is hermetically connected with the shell liquid inlet, the negative pressure structure is hermetically connected in series or in parallel between the fluid pump liquid outlet and the shell liquid outlet, d3 the fluid pump is installed in the small cavity, one of the fluid pump inlets is hermetically connected with a corresponding one of the small cavity liquid outlets, the other one of the fluid pump inlets is communicated with the small cavity, the shell liquid inlet is hermetically connected with the small cavity liquid inlet, the shell liquid outlet is hermetically connected with the small cavity liquid outlet, and the negative pressure structure is serially connected or in parallel between the small cavity liquid outlet and the shell liquid outlet.

The negative pressure heat dissipation row comprises a heat dissipation row and at least one negative pressure structure, wherein the negative pressure structure is connected in parallel or in series in a sealing mode at any position in a heat dissipation liquid drainage path and is communicated with a heat dissipation liquid drainage path in a sealing mode.

The negative pressure fluid pump at least comprises any one negative pressure structure, a fluid pump is arranged in the negative pressure fluid pump, a liquid inlet and a liquid outlet of the fluid pump are hermetically connected with a corresponding liquid inlet and a corresponding liquid outlet of the negative pressure fluid pump to meet the requirements of e1 or e2, the negative pressure structure of e1 is hermetically connected in parallel or in series between the liquid outlet of the negative pressure fluid pump and the liquid outlet of the fluid pump, e2 of the fluid pump is arranged in the negative pressure structure, a liquid inlet of the fluid pump is hermetically connected with a liquid inlet of the negative pressure structure, the liquid inlet of the negative pressure structure is hermetically connected with a liquid inlet of the negative pressure fluid pump, the liquid outlet of the fluid pump is hermetically communicated with cold liquid in the negative pressure structure, and a liquid outlet of the negative pressure structure is hermetically connected with the.

A liquid-cooled radiator is disclosed, which at least comprises any one negative pressure structure, a liquid-cooled fuse, a negative pressure liquid storage and heat dissipation blanket, a negative pressure integrated cold head, a negative pressure heat dissipation row or a negative pressure fluid pump.

Preferably, the inner diameter of the pipeline of each component in the liquid cooling radiator in the sealed connection comprises a negative pressure structure is smaller than the inner diameter of the maximum area of the liquid level, which can be maintained by cold liquid through surface tension, and is larger than the maximum inner diameter required by the capillary phenomenon of the cold liquid, namely when the pipeline is damaged to generate bubbles, the bubbles move or stay along with the cold liquid without being opposite to the moving direction of the cold liquid and generating the siphon and capillary phenomena.

The utility model provides a liquid cooling radiator, at least, include a internal pressure be less than external liquid cooling fuse, an internal pressure equals external liquid cooling fuse, a negative pressure heat dissipation row, an integrative negative pressure liquid cooling head, a interface extend outside quick-witted case liquid cooling head, a water pump noise insulation, a heat dissipation water blanket to noise, weeping and the derived electrical fault problem that produces when solving the electronic circuit equipment that contains and adopting the liquid cooling heat dissipation.

The invention has the beneficial effects that: the liquid cooling fuse generates a negative pressure source after the volume-variable cavity of the liquid cooling fuse is compressed, the negative pressure source is introduced into the liquid cooling radiator, so that the liquid cooling radiator is in normal negative pressure operation from a liquid inlet of a water pump in the liquid cooling radiator to a negative pressure source introduction point, the cold liquid in the liquid cooling radiator is prevented from leaking due to the fact that the internal pressure is smaller than the external pressure after the cold liquid is damaged, the damage of the liquid cooling radiator is timely found by detecting the volume or weight change of the cold liquid in the volume-variable cavity, the rescue time is prolonged, and the damage of the external power. The noise level is reduced by increasing the area of the liquid cooling fuse and the radiating surface such as air or the ground or the wall surface to achieve the purpose of omitting forced heat radiation of a fan. By increasing the capacity of the liquid storage device and the heat dissipation area, high heat absorption and heat dissipation efficiency can be provided by adopting a heat dissipation water blanket.

Drawings

Fig. 1 is a schematic view of the whole negative pressure liquid cooling radiator and a schematic view of the negative pressure liquid path 2 of the key liquid section.

Fig. 2 is a preferred embodiment of an integral negative pressure hydraulic head.

FIG. 3 shows a preferred embodiment of a liquid-cooled head heat-conducting pipe with an external interface and a pressing block.

Fig. 4 is a water pump sound-proof tank structure.

FIG. 5 illustrates two preferred ways of attaching the liquid-cooled fuse to the liquid-cooled heat sink.

Fig. 6 illustrates several configurations of the preferred negative pressure structure housing 100.

Fig. 7 shows several configurations of the preferred spring or weight as a variable volume chamber to change volume.

FIG. 8 shows the preferred configuration of the liquid-cooled fuse in communication with ambient atmospheric pressure while in series with the liquid-cooled heat sink and the configuration of the fuse in only one of a4 and b 3.

Fig. 9 shows one configuration of a preferred liquid-cooled fuse having a housing 140.

Figure 10 is a block diagram of a preferred pilot tee.

Fig. 11 is a diagram of a preferred sensor 800 installation configuration.

FIG. 12 shows two preferred configurations of the liquid-cooled fuse.

Fig. 13 is a structure view of a preferred negative pressure integrated coldhead.

Description of the main reference numerals: 1-liquid cooling head, 2-key liquid path segment negative pressure liquid path, 3-liquid cooling safety device, 4-water pump, 5-water pump sound insulation tank, 6-liquid storage device, 7-pipeline, 8-cold liquid, 11-liquid inlet, 12-liquid outlet, 13-water pump power supply, 14-vacuum pumping port, 15-soundproof cotton, 16-large glass tank, 17-small glass tank, 21-cold block, 22-shell, 23-deformable material compression, 24-deformable material relaxation, 25-spring, 26-liquid inlet, 27-liquid outlet.

100-shell, 110-deformable part, 120-piston, 130-piston chamber, 140-shell, 20-pipeline, 200-cold liquid, 210-spring, 220-counterweight, 230-pull rope, 240-fixed pulley, 250-air bag, 30-water pump, 310-water pump outlet, 320-water pump inlet, 40-radiator, 50-cold head, 510-cold block, 520-negative pressure integrated cold head outlet, 530-negative pressure integrated cold head inlet, 60-negative pressure liquid section, 70-guide tee joint, 710-port 1, 720-port 2, 730-port 3, 8-sensor and 800-wire.

Detailed Description

In order to more clearly illustrate the technical solutions of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings or embodiments can be obtained according to the drawings or the embodiments without any inventive step. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.

The invention preferably provides an embodiment of a negative-pressure liquid-cooling radiator as shown in fig. 1, which comprises a liquid-cooling head 1, a key liquid section negative-pressure liquid path 2, a liquid-cooling fuse 3, a water pump silencing device 4, a water pump 5, a liquid storage device 6, a pipeline 7 and cold liquid 8. The pipeline 7 is connected with the liquid cooling head 1, the liquid cooling fuse 3, the water pump mute tank 4, the water pump 5 and the liquid storage device 6 in series in a sealing mode and returns to the liquid cooling head 1 to form a loop, cold liquid 8 is filled, and the water pump 5 is connected with an external power supply. Except that when the internal pressure of the liquid cooling fuse 3 is equal to the outside, the liquid cooling fuse is required to be connected in series or in parallel between the water outlet of the water pump 5 and the water inlet of the key liquid path section negative pressure night path 2 and placed at the lowest elevation position of the liquid cooling radiator to enable the key liquid path section negative pressure night path 2 to keep normal negative pressure, and the positions of other parts can be freely arranged in sequence.

Preferably, the key liquid path segment negative pressure liquid path 2 is as shown in fig. 1, and includes a part needing emphasis on leakage prevention, specifically: a pressure source less than or equal to the external atmospheric pressure is introduced between the liquid outlet of the water pump 5 and the liquid inlet of the section needing to be emphasized in liquid leakage prevention, and if a liquid cooling protector 3 is added, the liquid inlet of the water pump 5 is hermetically connected to the liquid inlet section 2 of the section needing to be emphasized in liquid leakage prevention.

Preferably, the water pump sound insulation device 4 is formed by hermetically nesting a plurality of containers in different sizes, the water pump 5 is placed in the container at the innermost end, liquid inlet and outlet pipelines and energy supply pipelines are hermetically led out of the water pump sound insulation device 4 from the open holes of the containers in sequence, and the containers in different sizes are vacuumized and sealed. Preferably, as shown in fig. 2, the water pump sound insulation device 4 includes two glass tanks with covers, a small glass tank 17 is covered with a perforated joint to lead out the liquid inlet and outlet pipeline 7 and the electric wire of the water pump 5 and to seal and cover the tank cover tightly to form a state that only the liquid inlet and outlet pipeline 7 is communicated with the small glass tank 17, the small glass tank 17 can be filled with cold liquid 8 and simultaneously put into the waterproof water pump 5, the water pump 5 is connected with at least one of the liquid inlet and outlet pipelines 7, or the water pump 5 is not filled with cold liquid, and liquid inlet and outlet ports of the water pump 5 are respectively connected with the liquid inlet and outlet pipelines 7. After sound-proof and shock-proof materials such as sponge 15 are placed in the large glass bottle 16, the small glass bottle is also placed, the large glass bottle 16 is covered with a perforated joint and sealed to lead out the liquid inlet and outlet pipeline 7 and the water pump 5, and the electric wire is tightly covered on the large glass bottle 16. Preferably, a vacuum connector 14 can be added on the large glass jar 16, the large glass jar is vacuumized and the vacuum tube 14 is sealed, and a vacuum environment is formed between the two glass bottles to enhance the sound insulation of the water pump 5. A sound-insulating and shock-absorbing material such as sponge is attached to the outside of the large glass tank to reduce the noise caused by resonance.

Preferably, the liquid cooling head with the interface extending outside the case is shown in fig. 3, the liquid cooling head 1 is formed by winding a heat conducting pipe such as a copper pipe or an aluminum pipe into a spiral shape or a U shape or an M shape, and joints at two ends of the heat conducting pipe extend to the outside of the case and are embedded in the pressing block to form a heat absorbing surface. The cold liquid enters and exits from two ends of the heat conduction pipe extending outside the case to form a liquid cooling head section liquid path.

Preferably, can be with liquid cooling head 1 and liquid cooling fuse 3, water pump 5, deposit liquid device 6 design negative pressure liquid cooling head as an organic whole, specifically be: as shown in fig. 4, a preferred embodiment of the integrated negative pressure liquid cooling head includes a housing 22, a water pump 5, a cooling block 21, and an elastic mechanism 25, where the housing 22 includes a deformable portion 23 made of a flexible material and deforms simultaneously with the elastic mechanism 25 installed inside the housing, the water pump is fixed in an internal space formed by the housing 22 and the cooling block 21 in a sealing connection, the housing is provided with a liquid inlet 26 and a liquid outlet 27, and the integrated negative pressure liquid cooling head is connected in series with an external liquid path through the liquid inlet and the liquid outlet after being deformed.

An embodiment of the liquid-cooled fuse 3: the liquid cooling radiator comprises an elastic part shell made of elastic materials such as rubber, wherein the elastic part shell is pre-compressed to reduce the initial volume and then is connected into the liquid cooling radiator and sealed, negative pressure is generated through the rebound of the shell, preferably, a variable volume cavity can be made of a corrugated pipe or an organ cover or silica gel and the like, and a liquid inlet pipeline and a liquid outlet pipeline are led out; or the shaped container is communicated with the external atmospheric pressure, preferably, a plastic or glass preservation box and the like can be adopted, and the hole is punched at the proper position of the upper part of the box body, and the leading-in pipeline does not need to be sealed; or the container that soft can freely alternate appearance ability self-adaptation content volume change, preferably, can adopt plastic film such as silica gel or pvc or pp to make bag container, insert the pipeline and sealed after the exhaust air, 3 liquid cooling insurable device liquid outlet pipe way extend to liquid cooling insurable device bottom and submerge in the cold liquid in liquid cooling insurable device, and the key liquid circuit section water inlet is connected to the outer end.

Liquid cooling fuse 3 places in whole liquid cooling radiator height above sea level minimum, from water pump 5 play water end and key liquid highway section 2 intake between the end in the cold radiator of series connection feed liquor, simultaneously can directly add to the current liquid cooling radiator on the market in, make water pump 5 water inlet to 3 water outlet section liquid routes of liquid cooling fuse form normality negative pressure liquid route 2, specifically do: the water outlet end connecting pipeline of the water pump 5 is connected with the water inlet end of the external waterway connection liquid cooling fuse 3, and the water outlet end connecting pipeline of the liquid cooling fuse 3 is connected with the water inlet end of the key liquid section 2. Or the liquid cooling radiator is integrated, specifically: one end of two of the three-way joints is connected with the water outlet end of the water pump 5, and the other end is connected with the water inlet end of the key liquid section 2, one of the liquid inlet and outlet pipelines in the liquid cooling fuse 3 is sealed, and the other liquid inlet and outlet pipeline is connected with the remaining joint of the three-way joint. The key liquid section 2 is formed into a negative pressure liquid section lower than the external atmospheric pressure by introducing the negative pressure or the external atmospheric pressure between the water outlet end of the water pump 5 and the key liquid section 2. The line can directly serve as a liquid-cooled fuse 3. The capacity of the liquid-cooled fuse 3 is larger than the usage amount of the cold liquid of the whole liquid-cooled radiator.

And sound-insulation and shock-proof materials such as sponge are attached to the periphery of the water pump 5, are filled into the water pump silencing tank 4, and are at least connected with one of the liquid inlet and outlet pipelines to circulate cold liquid in the liquid cooling radiator.

Deposit liquid device 6, the softness can freely transform the appearance can the self-adaptation content volume change, preferably, can adopt plastic film such as silica gel or pvc or pp to make the bag form, introduce the business turn over liquid pipeline, and keep business turn over liquid pipeline in 6 inner distances of deposit liquid device far away and submergence under the cold liquid, thereby it is high-efficient passive heat dissipation to lay on ground and large tracts of land contact like the blanket after sealed, or adopt thickening material to make firm wear-resisting water pocket and store more cold liquids and provide long-term heat dissipation deposit, if do not have liquid cold insurance ware 3 in the liquid cold radiator can arrange the effect that liquid cold radiator height above sea minimum acted as liquid cold insurance ware 3 in, put at the bottom of the bed and utilize idle space.

After the scheme is adopted, the internal pressure of the liquid path including the key part is kept to be smaller than the outside in a normal state, if a fracture opening is generated in the section of the liquid path, the internal pressure at the fracture opening is smaller than the outside due to the negative pressure, air enters the liquid cooling radiator from the fracture opening, cold liquid cannot flow outwards, if the fracture opening is smaller, air bubbles flow along with the cold liquid, finally, the cold liquid in the liquid cooling fuse is increased, and then the alarm can be given and remedial measures can be taken. If the fracture opening is large, water at the fracture part in the liquid cooling radiator, which is close to the water outlet end of the water pump, flows back to the liquid cooling fuse due to gravity, water at the other side of the fracture opening is continuously sucked to the water inlet end of the water pump by the water pump and then is pumped into the liquid cooling fuse by the water pump, so that cold liquid in the liquid cooling radiator is concentrated in the liquid cooling fuse, no cold liquid leaks from the fracture opening, and if measures cannot be actively taken in the process, the computer is automatically shut down due to high temperature after the liquid cooling radiator is paralyzed. Only when extreme severe conditions such as sudden and complete breakage of the whole pipeline occur, the water flow does not have time to move away from the broken part, and a small amount of cold liquid is leaked due to the inertia of the water flow. The invention has the beneficial effects that: the volume of the liquid cooling radiator which is very slight and easy to ignore can keep the low-temperature operation of the processor for a long time, the safety of the great degree is realized, and the electric damage caused by the leakage of the liquid cooling pipeline is not worried. Compared with the patent publication number: CN108777925A, the pressure difference between the inside and the outside is appropriate, leakage after damage can be prevented, cold liquid is not easy to boil, the structure of the radiator is simplified, the stability is improved, the later maintenance is facilitated, and the cost is reduced.

Fig. 5 shows that the two ways of connecting the liquid-cooled fuse 3 to the liquid-cooled heat sink include connecting in series and connecting in parallel, and the liquid-cooled fuse is preferably connected close to the water outlet of the water pump 30 so that the liquid pressure of the cooling liquid in the largest component in the liquid-cooled heat sink 3 is lower than the external atmospheric pressure.

Fig. 6 shows several configurations of the preferred negative pressure structure casing 100, including the case where part or all of the casing 100 is the deformable portion 110, including the case where part or all of the casing 100 is the piston 120 and the piston chamber 130, and further, the case where the deformable portion 110 and the piston 12 coexist with the piston chamber 130. The figure shows the variable volume cavity after increasing or decreasing the volume.

Fig. 7 shows several preferred structures for increasing potential energy when the spring 210 or the weight 220 is used as a variable volume chamber to change the volume, at this time, the spring can be replaced with other potential energy increasing devices having two ends with mutual position changes along with the change of the volume of the variable volume chamber, such as magnetic pairs, elastic pieces, air bags, piston structures, etc., the two ends of which the mutual positions are changed are respectively arranged at the two ends of the shell 100 which are changed along with the volume change of the variable volume cavity, the balancing weight can be equivalently replaced by other devices of which the position of only one installation end is changed along with the volume change of the variable volume cavity, such as the moving part body, the weight, or the power device or the transmission device, the device is arranged at a mounting point on the shell 100, the position of the mounting point changes along with the volume change of the variable volume cavity, and the mounting point does not need to keep the same movement direction with a power device or a gravitational potential energy device and the like through a transmission device such as a fixed pulley 240 of a pull rope 230.

Fig. 8 shows a preferred structure in which the liquid-cooled fuse 3 is connected to the external atmospheric pressure and is connected to the liquid-cooled radiator in series at the same time, and only a4 or b3 is satisfied, at this time, the pipeline 20 connecting the water inlet of the negative pressure liquid section 60 and the water outlet of the liquid-cooled fuse 3 must be submerged in the water surface at the inner end of the liquid-cooled fuse, at this time, the liquid in the negative pressure liquid section 60 is completely sucked by the water inlet of the water pump 30 without the pressure at the water outlet of the water pump 30, and at the same time, the altitude of the negative pressure liquid section 60 is higher than that of the liquid-cooled fuse 3. When the water pump must draw water to use, the pipeline 20 connecting the water outlet of the water pump and the water inlet of the liquid cooling fuse 3 can extend into the liquid level below the inner end of the liquid cooling fuse 3, and at the moment, the liquid is still kept in the whole liquid path after the water pump stops. When the liquid cooling fuse 3 only meets the condition a4 or b3, the altitude of the negative pressure liquid section 60 is higher than the increased volume position of the variable volume cavity, the liquid inlet and outlet pipeline 20 in the liquid cooling fuse 3 can be selected to be immersed in cold liquid according to requirements, and simultaneously, the effect of keeping the cold liquid to circulate to maintain heat dissipation or collecting external cold liquid to ensure safety when the liquid circuit is damaged can be achieved by immersing or not immersing.

Fig. 9 shows a preferred structure of the liquid-cooled fuse 3 with the housing 140, wherein the housing 140 reserves and supports the space required by the volume-variable chamber to increase the volume, thereby ensuring the normal use of the liquid-cooled fuse 3 and achieving the effects of beauty and conciseness.

Fig. 10 is a structural view of a preferred three-way guide, wherein the internal fluid path is Y-shaped, and the port 30 is connected to the liquid-cooled fuse 3, so that the cold fluid preferentially flows to the liquid-cooled fuse 3, thereby ensuring normal negative pressure of the negative pressure fluid path section 60.

Fig. 11 is a mounting structure diagram of a preferred sensor 800, wherein the sensor 800 is a pressure sensor which can be mounted at the bottom of the liquid-cooled fuse 3 to detect weight change, a liquid level sensor which can be mounted at a side wall, a capacitance sensor which can be suspended at the inside, and other sensors which can be selected to be suitable positions according to the types.

Fig. 12 shows two preferred structures of the liquid cooling fuse, when the cold liquid in the liquid cooling radiator has a safe cold liquid storage position outside, the liquid cooling fuse 3 can be simplified into a pipeline 20, one end of the pipeline is upward and passes through the parallel liquid cooling radiator, the other end of the pipeline is communicated with the external atmospheric pressure, the inner diameter of the pipeline 20 is smaller than the minimum diameter required by the cold liquid in the pipeline moving in the opposite direction to the gas, and the liquid level is lower than all the liquid in the negative pressure liquid section. The liquid cooling radiator can expand and have liquid storage device function and heat dissipation concurrently simultaneously, and a preferred liquid cooling protector is as shown, makes flat mouthful bag form by great film, and the sack is sealed, draws into water inlet and outlet pipe series connection feed liquor cold radiator, the film is spread and is in good laminating with ground at the bottom of the bed, and cold liquid is deposited to inside. Good heat dissipation is achieved by large-area ground contact, the cold liquid in the film self-adaptive bag is increased and decreased, and the partial cold liquid in the liquid cooling radiator is lower than the external atmospheric pressure by being stored on the ground. The negative pressure liquid storage and heat dissipation blanket can be placed at the bottom of a bed or a sofa, so that the space utilization rate is increased by using the idle space.

Fig. 13 is a structure view of a preferred negative pressure integrated coldhead. In the figure, the casing 100 and the cold block 510 are connected in a sealing way to form a sealed cavity, the casing 100 is provided with a piston to enable the sealed cavity to become a variable volume cavity, the variable volume cavity is internally provided with an air bag 250 and a water pump 30, a negative pressure integrated cold head inlet 530 and a water pump inlet 320 are connected in a sealing way, the water pump outlet 310 is communicated with the variable volume cavity, the casing 100 is provided with a negative pressure integrated cold head outlet 520, the internal communicated variable volume cavity is communicated with the negative pressure integrated cold head outlet, and the piston 120 extends into the compressed air bag 250 and then is serially connected with a liquid inlet cold radiator through the liquid inlet 530.

After adopting above-mentioned scheme, including the liquid way normality of water pump inlet to liquid cooling fuse play liquid outlet section in keep internal pressure to be less than the external world, in this section liquid way, if produce the breach, then because the relation of negative pressure, breach department internal pressure is less than the outside, and the air is by breach department's entering liquid cooling radiator, and cold liquid can not outflow, if the breach is less, then the bubble flows along with cold liquid, finally makes the liquid cooling fuse become the volume chamber increase, can be surveyed by the sensor and report to the police and take remedial measure. If the fracture opening is large, water at the fracture part in the liquid cooling radiator, which is close to the water outlet end of the water pump, flows back to the liquid cooling fuse due to gravity, water at the other side of the fracture opening is continuously sucked to the water inlet end of the water pump by the water pump and then is pumped into the liquid cooling fuse by the water pump, so that cold liquid in the liquid cooling radiator is concentrated in the liquid cooling fuse, no cold liquid leaks from the fracture opening, and if measures cannot be actively taken in the process, the computer is automatically shut down due to high temperature after the liquid cooling radiator is paralyzed. Only when extreme severe conditions such as sudden and complete breakage of the whole pipeline occur, the water flow cannot be back from the broken part due to inertia, and a small amount of cold liquid can be leaked.

The invention has the beneficial effects that: the noise of the liquid cooling radiator is weakened, the heat dissipation is lasting and efficient, and the electric damage caused by leakage of part of the liquid cooling section is avoided. Compared with the patent publication number: CN108777925A, the pressure difference between the inside and the outside is appropriate, leakage after damage can be prevented, cold liquid is not easy to boil, the structure of the radiator is simplified, the stability is improved, the later maintenance is facilitated, and the cost is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, other modifications, equivalents, and improvements may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A negative pressure structure is characterized in that: comprises a shell, the shell satisfies a or b,

a the shell is partially or completely a deformable part made of flexible materials such as silica gel, rubber, plastic films and corrugated pipes, the shell is sealed, and the volume of the shell is changed by the deformation of the deformable part to form a sealed variable volume cavity,

b, the shell is partially or completely of a piston and piston chamber structure, the piston and piston chamber structure is in sealing sliding connection, one is a fixed part fixed or integrated on the shell, the other is a moving part, the shell is sealed and forms a sealed variable volume cavity through the movement of the moving part,

after the volume of the variable volume cavity is reduced, the variable volume cavity is hermetically connected in parallel with the cold liquid in the liquid-cooled radiator through a parallel point of a liquid port in the liquid-cooled radiator or is hermetically connected in series with a sealing liquid path in the liquid-cooled radiator through a series point of a liquid inlet and a liquid outlet in the liquid-cooled radiator respectively to ensure that the variable volume cavity is hermetically communicated with the cold liquid in the liquid-cooled radiator, at least one of a1 or a2 or a3 or a4 is met, so that the hydraulic pressure of the cold liquid in the liquid-cooled radiator from a liquid inlet of a fluid pump to the parallel point or the liquid path between the series points in the,

a4 at least part of the volume to be recovered of the variable volume cavity is below the altitude of all cold liquid in the liquid section which needs to pass through the negative pressure structure to make the cold liquid hydraulic pressure in the variable volume cavity less than the external atmospheric pressure, the variable volume cavity contains the cold liquid, and the variable volume cavity can recover at least part of the volume after a damaged port is generated in the liquid section which needs to pass through the negative pressure structure to make the cold liquid hydraulic pressure in the variable volume cavity less than the external atmospheric pressure only by the cold liquid in the variable volume cavity or the cold liquid in the variable volume cavity and the gravity of the moving part.

2. The negative-pressure structure according to any one of claims 1, wherein: the device for increasing potential energy comprises a device for elastic potential energy, such as a spring and a spring sheet, wherein one end of each of two mutually position-changed ends of the device is arranged on the other end of the shell and is arranged on the other shell of the deformable part or is connected with the other shell of the deformable part in a sealing way, one end of the device is arranged on the shell or the fixed part and is arranged on the moving part, the device for increasing potential energy comprises a device for pressure potential energy, such as a capsule and a piston structure, one end of each of two mutually position-changed ends of the device is arranged on the other shell of the shell and is arranged on the deformable part or is connected with the other shell of the deformable part in a sealing way, one end of the device for mutually position-changed ends of the device is arranged on the other shell of the shell and is arranged on the other shell of the deformable part or is connected with the deformable part in a sealing way, one end of the device is arranged on the shell or the fixed part, the other end of the device is arranged on the moving part, the device for increasing potential energy comprises a gravitational potential energy device such as a balancing weight and a weight, and the device is directly connected with the deformable part or the moving part or indirectly connected with the deformable part or the moving part through a force transmission mechanism such as a lever, a fixed pulley and a rope.

3. A negative pressure structure is characterized in that: the liquid cooling radiator comprises a shell, the shell is sealed to form a sealed cavity, the sealed cavity is provided with at least one air hole which is communicated with the external atmospheric pressure in a sealing mode, the liquid level in the sealed cavity is lower than the air hole, the sealed cavity at least meets one of e1, e2 and e3, the sealed cavity is connected with a liquid cooling radiator in parallel in a sealing mode through a liquid port, the liquid port or a pipeline connected with the liquid port in a sealing mode is immersed in cold liquid at the inner end of the sealed cavity, the liquid level in the sealed cavity is lower than the liquid cooling radiator in the inverse cold liquid flowing direction, all cold liquid flows from a liquid inlet of a fluid pump to a liquid path of a parallel connection point section, the liquid cooling path connecting the negative pressure structure and the liquid cooling radiator contains enough cold liquid, so that the cold liquid in the liquid cooling radiator in the inverse cold liquid flowing direction does not flow from the liquid inlet of the fluid pump to the liquid path of the parallel connection point section to the outside due to the principle of, e2 when the seal chamber passes through the liquid inlet and outlet in the liquid cooling radiator, the sealed series connection of series connection point seals in the liquid cooling radiator liquid outlet or sealing connection the pipeline of liquid outlet submerges in the cold liquid in the seal chamber inner end, the liquid level height above sea is less than the fluid pump through pumping and makes in the liquid cooling radiator contrary cold liquid flow direction appear the highest height above sea that the damaged mouth can be maintained along fluid pump inlet to negative pressure structure liquid outlet section in its interior cold liquid hydraulic pressure is less than external atmospheric pressure after the damaged mouth, e3 when the seal chamber passes through the liquid inlet and outlet in the liquid cooling radiator in the sealed series connection of series connection point seals in the liquid cooling radiator liquid outlet or sealing connection the pipeline of liquid outlet submerges in the seal chamber inner end in the cold liquid, the liquid level height above sea in the seal chamber is less than in the liquid cooling radiator contrary cold liquid flow direction by fluid pump to all cold liquids in the liquid inlet of parallel connection point section liquid path, connect the liquid path of negative pressure structure and liquid When the liquid path from the liquid inlet of the fluid pump to the parallel connection point section generates a damaged port, the cold liquid in the liquid cooling radiator does not flow to the outside from the damaged port due to the principle of the communicating vessel, and flows into the negative pressure structure from the parallel connection point.

4. The negative pressure structure according to any one of claims 1 to 3, characterized in that: the negative pressure structure is connected in parallel or in series between a liquid outlet of the fluid pump and a liquid path section which needs to pass through the negative pressure structure and enables the hydraulic pressure of cold liquid in the negative pressure structure to be smaller than the external atmospheric pressure into the liquid cooling radiator. And a parallel connection port connected with the negative pressure structure in parallel in the liquid cooling radiator faces below a horizontal plane. When the negative pressure structure is connected in parallel with the external liquid path through one liquid port, the negative pressure structure is connected in parallel with the external liquid path through a guide multi-way, the guide multi-way at least comprises a first port which is in sealing communication with an internal first liquid path and an external liquid path liquid inlet, a second port which is in sealing communication with an internal second liquid path and an external liquid path liquid outlet, and a third port which is in sealing communication with an internal third liquid path and a negative pressure structure internal variable volume cavity or a sealing cavity, the internal first liquid path, the internal second liquid path and the internal third liquid path are positioned in the guide multi-way and are communicated with each other, the turning angle of cold liquid from the internal second liquid path to the internal first liquid path or from the internal first liquid path to the internal second liquid path is larger than 90 degrees, the turning angle of cold liquid from the internal third liquid path to the internal second liquid path or from the internal second liquid path to the internal third liquid path is smaller than 90 degrees, namely the cold liquid preferentially flows out from the internal third liquid path when flowing in from the internal first liquid path or the internal second liquid path, the third port is directed below the horizontal plane.

5. A liquid-cooled fuse, comprising: including at least any one of the negative pressure structures of claims 1-4. The liquid cooling fuse includes that sensing device changes in order to detect the interior cold liquid volume of liquid cooling fuse to through different voltage of wire output according to different situation, the sensor include pressure sensor install in become the outer bottom of volume chamber or seal chamber and detect its weight change, include the liquid level detector install in become volume chamber or seal chamber wall and detect its liquid level altitude variation, include the capacitance detector install in become volume chamber or seal chamber in detect its liquid level altitude variation, detect including the magnetic inductor receive the displacement that the magnet produced because of becoming volume chamber volume change like iron cobalt nickel or magnet in potential energy device or the power device. The liquid cooling fuse comprises an alarm device, when the sensing device outputs voltage meeting specific conditions, the alarm device triggers alarm, the alarm device comprises an optical alarm such as an led lamp and a flashing lamp, and comprises an acoustic alarm such as a buzzer and a loudspeaker. The liquid cooling fuse comprises an actuating device, when a sensing device in the liquid cooling fuse outputs a voltage meeting a specific condition, the actuating device actuates to cut off a power supply of an external device subjected to heat dissipation of the liquid cooling radiator, and the actuating device comprises a relay and an air switch. The shell is at least provided with a framework or a shell so as to reserve space for accommodating the shell with increased volume.

6. A negative pressure stock solution heat dissipation blanket which characterized in that: the liquid cooling radiator is characterized in that liquid-proof soft films such as rubber, silica gel, polyethylene, polypropylene, aluminum films and the like are made into a bag shape, the bag opening is sealed to form a sealing bag, a liquid inlet and outlet pipe is led out to be connected in series between a negative pressure leakage-proof protection section and a liquid outlet of a fluid pump in the liquid cooling radiator, the sealing bag is flatly paved on heat transfer surfaces such as the ground, a table top and a wall surface which are lower in altitude than the liquid cooling radiator and need the negative pressure leakage-proof protection section, and cold liquid is stored in.

7. The utility model provides an integrative cold head of negative pressure which characterized in that: the negative pressure structure, the fluid pump, the cold block and the top cover at least comprise any one of the negative pressure structure, the fluid pump, the cold block and the top cover of claims 1 to 4, wherein the negative pressure structure and the fluid pump are arranged in a shell formed by connecting the top cover and the cold block, the shell is provided with a liquid inlet and a liquid outlet which are in sealed communication with other components of the liquid cooling radiator, the requirement that c or d is met, c the cold block forms a part of a variable volume cavity or a sealed cavity of the negative pressure structure, the requirement that c1 or c2 is met, c1 the fluid pump is arranged in the variable volume cavity or the sealed cavity, the liquid inlet of the fluid pump is in sealed connection with the liquid inlet of the variable volume cavity or the sealed cavity, the liquid outlet of the fluid pump is communicated with the liquid inlet and the liquid outlet of the shell, c2 the fluid pump is arranged outside the variable volume cavity or the sealed cavity, the liquid inlet of the fluid pump is communicated with the liquid inlet of the shell in a sealing mode, the liquid outlet of the fluid pump is communicated with the liquid outlet of the shell in a sealing mode, and the negative pressure structure is connected between the liquid outlet of the fluid pump and the liquid outlet of the shell in series or in parallel in a sealing mode. d the cold block does not form the variable volume cavity or the sealed cavity, the cold block and the top cover are sealed to form a small cavity, the small cavity is provided with a liquid inlet and a liquid outlet which are hermetically communicated with cold liquid inside and outside the small cavity, the d1 or d2 or d3 is met, the d1 fluid pump is installed in the variable volume cavity or the sealed cavity, the liquid inlet of the fluid pump is hermetically connected with the liquid inlet of the variable volume cavity or the sealed cavity, the liquid outlet of the fluid pump is communicated with the variable volume cavity or the sealed cavity, the variable volume cavity or the sealed cavity is additionally provided with a liquid outlet, the liquid outlet of the shell is hermetically communicated with the liquid outlet of the variable volume cavity or the sealed cavity, the liquid inlet of the variable volume cavity or the sealed cavity is hermetically communicated with the liquid outlet of the small cavity, the liquid inlet of the small cavity is hermetically communicated with the liquid inlet of the variable volume cavity or the liquid outlet of the sealed cavity, the variable volume cavity or sealed cavity inlet is in sealed communication with the housing inlet, d2 the fluid pump is mounted outside the variable volume cavity or sealed cavity and the small cavity, the housing outlet is in sealed connection with the small cavity outlet, the small cavity inlet is in sealed connection with the fluid pump outlet, the fluid pump inlet is in sealed connection with the housing inlet, the negative pressure structure is in sealed series or parallel connection between the fluid pump outlet and the small cavity inlet, or the housing outlet is in sealed connection with the fluid pump outlet, the fluid pump inlet is in sealed connection with the small cavity outlet, the small cavity inlet is in sealed connection with the housing inlet, the negative pressure structure is in sealed series or parallel connection between the fluid pump outlet and the housing outlet, d3 the fluid pump is mounted in the small cavity, one of the fluid pump inlets is in sealed connection with a corresponding one of the small cavity outlets, another access to in the cavity, shell inlet sealing connection the cavity inlet, shell liquid outlet sealing connection the cavity liquid outlet, negative pressure structure establish ties or connect in parallel in the cavity liquid outlet with between the shell liquid outlet.

8. The utility model provides a negative pressure heat dissipation is arranged which characterized in that: the negative pressure structure comprises a heat dissipation row and at least any one negative pressure structure of claims 1 to 4, wherein the negative pressure structure is connected in parallel or in series in a sealing mode at any position in the heat dissipation liquid drainage circuit and is communicated with a liquid circuit in the heat dissipation liquid drainage circuit in a sealing mode.

9. A negative pressure fluid pump, characterized by: the negative pressure structure at least comprises any one of the negative pressure structures of claims 1 to 4, wherein a fluid pump is arranged in the negative pressure fluid pump, the fluid pump inlet and outlet are connected with the corresponding negative pressure fluid pump inlet and outlet in a sealing manner, and meet e1 or e2, e1 the negative pressure structure is connected in parallel or in series in a sealing manner between the negative pressure fluid pump outlet and the fluid pump outlet, e2 the fluid pump is arranged in the negative pressure structure, the fluid pump inlet is connected with a negative pressure structure inlet in a sealing manner, the negative pressure structure inlet is connected with the negative pressure fluid pump inlet in a sealing manner, the fluid pump outlet is connected with cold fluid in the negative pressure structure in a sealing manner, and the negative pressure structure is further provided with a fluid outlet in a sealing manner.

10. A liquid cooling radiator is characterized in that: at least comprising any one of the negative pressure structure, the liquid-cooled fuse, the negative pressure liquid storage and heat dissipation blanket, the negative pressure integrated cold head, the negative pressure heat dissipation row or the negative pressure fluid pump of claims 1 to 9. The inner diameter of a pipeline of each component in the liquid cooling radiator in sealed connection, which comprises a negative pressure structure, is smaller than the inner diameter of the maximum area of a liquid level, which can be maintained by cold liquid through surface tension, and is larger than the maximum inner diameter required by the cold liquid to generate capillary phenomenon, namely when the pipeline is damaged to generate bubbles, the bubbles move or stay along with the cold liquid and cannot be opposite to the moving direction of the cold liquid, and the siphoning and capillary phenomena cannot be generated. The utility model provides a liquid cooling radiator, includes water pump, pipeline, cold head, including the liquid cooling fuse, the liquid cooling fuse is a container, and internal pressure is less than the external world, including the casing, the casing volume is variable, including the deformable part, the liquid cooling fuse include at least with the elastic mechanism of deformable part deformation simultaneously or the deformable part has the resilience force, liquid in the other parts of the sealed UNICOM liquid cooling radiator of casing deformable part deformation back, the liquid cooling fuse draw forth a mouth of pipe connect in parallel in other parts of liquid cooling radiator or through drawing forth a business turn over liquid mouth respectively and establish ties in wantonly between other parts of liquid cooling radiator and make the liquid cooling fuse drain pipe in submergence in the cold liquid in the liquid cooling fuse inner. The utility model provides a liquid cooling radiator, includes water pump, pipeline, cold head, including the liquid cooling fuse, the liquid cooling fuse is a container, and internal pressure equals the external world, which comprises a housin, the casing at least includes that flexible material makes the flexible part self-adaptation casing in liquid volume change or the outside atmospheric pressure of the inside intercommunication of liquid cooling fuse, the liquid cooling fuse draws a mouth of pipe and connects in parallel in the liquid cooling radiator in the water pump mouth of a river to key position water inlet or the liquid cooling fuse is established ties in the liquid cooling radiator in the water pump mouth of a river to key position water inlet between and make through drawing out a business turn over liquid mouth respectively the liquid cooling fuse drain pipe in submergence in cold liquid in the inner of liquid cooling fuse, key position is for needing key leak protection liquid position. The liquid cooling fuse is arranged at the lowest elevation position in the liquid cooling radiator. The liquid cooling fuse is a pipeline, one end of the liquid cooling fuse is connected with a pipeline from a liquid outlet of the water pump to a liquid inlet of the key part in parallel, and the other end of the liquid cooling fuse is communicated with the external atmospheric pressure. The liquid cooling fuse is at least integrated including one of liquid cooling head, water pump, pipeline, heat abstractor, stock solution device, joint. The utility model provides a liquid cooling radiator, includes water pump, pipeline, cold head, its characterized in that: the negative pressure heat dissipation device comprises a negative pressure heat dissipation row, wherein the negative pressure heat dissipation row comprises a heat dissipation row, the heat dissipation row comprises an elastic cavity, the elastic cavity is communicated with the heat dissipation row and is internally provided with a liquid path, and the negative pressure heat dissipation row compresses other parts of the liquid cooling radiator in sealed communication behind the elastic cavity. The utility model provides a liquid cooling radiator, includes water pump, pipeline, including integrative negative pressure liquid cold head, integrative negative pressure liquid cold head includes shell, water pump, cold piece, the shell includes the flexible part that flexible material made, the water pump is fixed in the shell with in the inner space that cold piece sealing connection formed, the shell open have a inlet with water pump inlet sealing connection has still opened a liquid outlet, establish ties through business turn over liquid mouth and outside liquid way behind the negative pressure liquid cold head deformation, the flexible part have the resilience force or integrative negative pressure liquid cold head including install in the shell inside with the elastic mechanism of flexible part deformation simultaneously. The utility model provides a liquid cooling radiator, includes water pump, pipeline, extends the liquid cooling head outside quick-witted case including the interface, the interface extends the liquid cooling head outside quick-witted case including heat conduction tubular product and briquetting, whole coiling becomes the heliciform or M shape or the U-shaped pressure of one or several circles in the middle of the heat conduction tubular product and buries in the cold block and form the cooling surface, and both ends interface extends outside quick-witted case. The utility model provides a liquid cooling radiator, includes water pump, pipeline, cold head, includes water pump noise insulation, water pump noise insulation is sealed nested by big or small several container and forms, and the water pump is put into the innermost container and is sealed draw in and out liquid pipeline and water pump electric wire in proper order from each container trompil outside the water pump noise insulation, with the evacuation between the container and sealed. The utility model provides a liquid cooling radiator, includes water pump, pipeline, cold head, including depositing the liquid device, deposit the liquid device and adopt waterproof film to make the tiling of heat dissipation water blanket and place in radiator height above sea level minimum department, add other parts of cold liquid through business turn over liquid pipe connection liquid cooling radiator, business turn over liquid pipeline keeps away from each other in heat dissipation water blanket the inner and arranges, go out the pipeline inlet submergence in cold liquid.