CN217544670U

CN217544670U - Hydrogen fuel cell cooling system

Info

Publication number: CN217544670U
Application number: CN202220237539.9U
Authority: CN
Inventors: 李庆荣
Original assignee: Suzhou Xinfuhui Precision Machinery Technology Co ltd
Current assignee: Suzhou Xinfuhui Precision Machinery Technology Co ltd
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-10-04
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a hydrogen fuel cell cooling system, including battery body, surface mounting has the heat-conducting plate on battery body's the shell, and the upper surface of heat-conducting plate evenly is provided with the circulation liquid case that a plurality of is equipped with the coolant liquid, and the upper surface of circulation liquid case is provided with the heating panel, and the fixed surface of heating panel is provided with the mounting bracket of rectangle frame form. This hydrogen fuel cell cooling system, conduct the heat that produces the battery body surface to the circulation liquid case through the heat-conducting plate, take away the heat by the coolant liquid circulation in the circulation liquid case, the circulation liquid case is provided with a plurality of, and each circulation liquid case is independent each other, when cooling system breaks down, if wherein the unable during operation of a certain circulation liquid case, other circulation liquid cases can continue work and cool off the battery body, unable work makes the unable safe driving of vehicle when avoiding the cooling system trouble, the time that has given the user to be sufficient is gone to destination or maintenance point, high durability and convenient use, and the overall security has been improved.

Description

Hydrogen fuel cell cooling system

Technical Field

The utility model relates to a hydrogen fuel cell car technical field specifically is a hydrogen fuel cell cooling system.

Background

The hydrogen fuel cell automobile is a new energy automobile, adopts the hydrogen fuel cell as a power source, has extremely excellent energy-saving and environment-friendly properties, and only generates water and heat in the using process of the hydrogen fuel cell, so that harmful substances cannot be released. Hydrogen fuel cells generate a large amount of heat during use, and therefore the surface temperature rises quickly, requiring cooling. Most of the existing hydrogen fuel cell cooling systems are low in cooling efficiency and unsatisfactory in cooling effect, and generally adopt an integral cooling mode, and need to be immediately stopped for maintenance when the cooling system breaks down, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, the utility model provides a hydrogen fuel cell cooling system, each circulation liquid case mutual independence, when cooling system breaks down, if wherein the unable during operation of a certain circulation liquid case, other circulation liquid cases can continue work and cool off battery body, unable work makes the unable safe driving of vehicle when avoiding cooling system trouble, the time that has given the user is sufficient goes to destination or maintenance point, high durability and convenient use, and the overall safety has been improved, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hydrogen fuel cell cooling system, including battery body, surface mounting has the heat-conducting plate on battery body's the shell, the upper surface of heat-conducting plate evenly is provided with the circulation liquid case that a plurality of is equipped with the coolant liquid, the upper surface of circulation liquid case is provided with the heating panel, the last fixed surface of heating panel is provided with the mounting bracket of rectangle frame form, be provided with the division board in the middle of the inboard surface of mounting bracket, be provided with the connecting plate between the inboard surface of division board and mounting bracket, install radiator fan on the connecting plate, radiator fan, the last control module and the outside vehicle mounted power supply that correspond with radiator fan of outside vehicle mounted computer establish ties and constitute radiator fan's working circuit.

As a preferred technical scheme of the utility model, the inside of circulation liquid case is provided with the baffle parallel with the heat-conducting plate, and the baffle separates the circulation liquid case for the cooler bin with the heat absorption case, and the shell and the heat-conducting plate of heat absorption case are connected, and the cooler bin setting is at the upside of heat absorption case.

Circulating pipes are symmetrically and fixedly arranged on the surfaces of two sides of the outside of the circulating liquid tank, the circulating pipes are communicated with the heat absorption tank and the cooling tank, a circulating pump is arranged on one side, close to the cooling tank, of the circulating pipes, and the circulating pump, a control module corresponding to the circulating pump on the external vehicle-mounted computer and an external vehicle-mounted power supply are connected in series to form a working circuit of the circulating pump.

As a preferred technical scheme of the utility model, the side surface of circulating liquid case is provided with the liquid feeding pipe of L shape, is provided with the check valve on the liquid feeding pipe.

As an optimal technical scheme of the utility model, the outside surface mounting of circulation liquid case has temperature sensor, and temperature sensor's sense terminal sets up in the inboard of heat absorption case, and temperature sensor, outside on-vehicle computer control module and the outside vehicle mounted power supply that correspond with temperature sensor establish ties and constitute temperature sensor's operating circuit.

As an optimized technical scheme of the utility model, the upper surface of heating panel evenly is provided with the heat dissipation needle.

As an optimal technical scheme of the utility model, the mounting hole has all been seted up to the upper surface four corners department of heat-conducting plate and the shell upper surface four corners department of battery body, and threaded connection has mounting bolt in the mounting hole.

As an optimized technical scheme of the utility model, heat conduction silicone grease is scribbled between the shell of heat-conducting plate and battery body.

Compared with the prior art, the beneficial effects of the utility model are that: the hydrogen fuel cell cooling system conducts heat generated on the surface of a cell body to the circulating liquid tanks through the heat conducting plates, the heat is taken away by circulation of cooling liquid in the circulating liquid tanks, the circulating liquid tanks are provided with a plurality of circulating liquid tanks, and the circulating liquid tanks are mutually independent, when the cooling system breaks down, if one of the circulating liquid tanks cannot work, other circulating liquid tanks can continue to work to cool the cell body, the situation that a vehicle cannot be driven safely because the cooling system cannot work when the cooling system breaks down is avoided, a user can be provided with sufficient time to drive to a destination or a maintenance point, the hydrogen fuel cell cooling system is convenient to use, and the overall safety is improved; the cooling of the cooling liquid in the circulating liquid tank can be accelerated through the heat dissipation plate and the heat dissipation fan, the heat generated by the battery body can be taken away quickly, and the cooling efficiency and the cooling effect are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention with the mounting frame removed;

FIG. 3 is a schematic structural view of the heat sink plate of the present invention with the heat sink plate removed;

FIG. 4 is a schematic structural view of the circulating liquid tank of the present invention;

fig. 5 is a schematic view of the internal structure of the circulating liquid tank of the present invention.

In the figure: the battery comprises a battery body 1, a heat conducting plate 2, a mounting hole 3, a mounting bolt 4, a circulating liquid tank 5, a circulating pipe 51, a circulating pump 52, a liquid feeding pipe 53, a one-way valve 54, a temperature sensor 55, a partition plate 56, a cooling tank 57, a heat absorbing tank 58, a heat radiating plate 6, a heat radiating pin 61, a mounting frame 7, a connecting plate 71 and a heat radiating fan 72.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a hydrogen fuel cell cooling system, including cell body 1, surface mounting has heat-conducting plate 2 on the shell of cell body 1, the heat that cell body 1 produced at the battery during operation passes through heat-conducting plate 2 and transmits cooling system, the metal sheet that the preferred thermal conductivity of heat-conducting plate 2 is high is like copper alloy board or aluminum alloy plate, the upper surface of heat-conducting plate 2 evenly is provided with the circulation liquid case 5 that a plurality of is equipped with the coolant liquid, heat conduction to circulation liquid case 5 through heat-conducting plate 2 with cell body 1 surface production, the heat is taken away in the circulation of the coolant liquid in circulation liquid case 5, circulation liquid case 5 is provided with a plurality of, and each circulation liquid case 5 is independent each other, when cooling system breaks down, if wherein when a certain circulation liquid case 5 can's during operation, other circulation liquid cases 5 can continue work and cool off cell body 1, can's unable work and make the unable safe driving of vehicle when avoiding cooling system trouble, the user has given sufficient time and has traveled to destination or maintenance point, high durability and convenient use, and whole security have improved.

The upper surface of circulation liquid case 5 is provided with heating panel 6, the upper surface of heating panel 6 evenly is provided with heat dissipation needle 61, can improve its radiating rate through setting up heat dissipation needle 61, and heat dissipation needle 61 has increased the surface area, and the radiating rate is faster, and the effect is better.

The fixed surface of the upper surface of heating panel 6 is provided with mounting bracket 7 of rectangle frame form, be provided with the division board in the middle of the inboard surface of mounting bracket 7, be provided with connecting plate 71 between the inboard surface of division board and mounting bracket 7, install radiator fan 72 on connecting plate 71, radiator fan 72, the control module that corresponds with radiator fan 72 on the outside on-vehicle computer and the work circuit that outside on-vehicle power series connected component radiator fan 72, can accelerate the cooling of cooling liquid in circulation liquid case 5 through heating panel 6 and radiator fan 72, can take away the heat that battery body 1 produced fast, and cooling efficiency and cooling effect are improved.

Preferably, a partition plate 56 parallel to the heat conducting plate 2 is disposed inside the circulating liquid tank 5, the partition plate 56 divides the circulating liquid tank 5 into a cooling tank 57 and an heat absorbing tank 58, an outer shell of the heat absorbing tank 58 is connected to the heat conducting plate 2, the cooling tank 57 is disposed on an upper side of the heat absorbing tank 58, the heat absorbing tank 58 is used for absorbing heat conducted by the heat conducting plate 2, the cooling tank 57 is used for cooling the cooling liquid in the circulating liquid tank 5, and the cooled cooling liquid is conveyed back into the heat absorbing tank 58 through the circulating pipe 51 to continuously absorb heat.

The circulating pipes 51 are symmetrically and fixedly arranged on the two side surfaces of the outside of the circulating liquid tank 5, the circulating pipes 51 are communicated with the heat absorption tank 58 and the cooling tank 57, the circulating pump 52 is arranged on one side, close to the cooling tank 57, of the circulating pipe 51, the circulating pump 52, a control module, corresponding to the circulating pump 52, of the external vehicle-mounted computer and an external vehicle-mounted power supply are connected in series to form a working circuit of the circulating pump 52, and the two groups of circulating pumps 52 enable cooling liquid in the cooling tank 57 and the heat absorption tank 58 to flow and circulate through the corresponding circulating pipes 51 so as to achieve the purpose of heat removal.

Preferably, an L-shaped liquid feeding pipe 53 is disposed on a side surface of the circulating liquid tank 5 for feeding the cooling liquid into the cooling liquid tank 5, and a check valve 54 is disposed on the liquid feeding pipe 53 to prevent the cooling liquid from entering the circulating liquid tank 5.

Further, the liquid feeding pipe 53 and the circulating liquid tank 5 can be connected through threads, and the liquid feeding pipe 53 can be taken down to empty the cooling liquid when the cooling liquid needs to be replaced so as to facilitate replacement.

Preferably, a temperature sensor 55 is mounted on the outer surface of the circulating liquid tank 5, a detection end of the temperature sensor 55 is arranged on the inner side of the heat absorption tank 58, the temperature sensor 55, a control module corresponding to the temperature sensor 55 on an external vehicle-mounted computer and an external vehicle-mounted power supply are connected in series to form a working circuit of the temperature sensor 55, the temperature sensor 55 is in bidirectional electrical connection with the vehicle-mounted computer, the temperature sensor 55 detects the temperature and transmits a corresponding signal to the vehicle-mounted computer, the signal is processed and analyzed by the vehicle-mounted computer, the detected temperature value is compared with a preset value, when the temperature of the cooling liquid in the heat absorption tank 58 is higher than the preset value I and lower than the preset value II, the circulating pump 52 is turned on, the circulating pump 52 starts to circulate the cooling liquid between the heat absorption tank 58 and the cooling tank 57, the heated cooling liquid reaches the cooling tank 57 and is dissipated by the heat dissipation plate 6 to achieve the effect of temperature reduction, the cooled cooling liquid returns to the heat absorption tank 58 to absorb the heat generated by the hydrogen fuel cell, and the hydrogen fuel cell circulates in such a manner to cool the hydrogen fuel cell; when the temperature of the cooling liquid in the heat absorption box 58 is higher than the preset value ii, the vehicle-mounted computer turns on the circulating pump 52 and turns on the cooling fan 72 at the same time, so that the heat dissipation efficiency of the heat dissipation plate 6 is improved, the cooling effect on the hydrogen fuel cell is further improved, and the use safety of the cell is ensured.

The utility model discloses in used circulating pump 52, temperature sensor 55 and radiator fan 72 etc. be the electronic component commonly used among the prior art, and its concrete structure and theory of operation are common general knowledge, do not describe herein repeatedly.

The circulating pump 52, the temperature sensor 55, the cooling fan 72, and the like are all controlled by a vehicle-mounted computer, which is a vehicle-mounted computer (vehicle ECU) on the hydrogen fuel cell vehicle, and methods for controlling the circulating pump 52, the temperature sensor 55, and the cooling fan 71 by the vehicle-mounted computer are all common methods in the prior art.

Preferably, mounting holes 3 have all been seted up to the upper surface four corners department of heat-conducting plate 2 and the shell upper surface four corners department of

battery body

1, and 3 female connections in mounting hole have mounting bolt 4, install heat-conducting plate 2 on battery body 1's shell through mounting bolt 4, the dismouting of being convenient for, convenient to use.

Preferably, heat conduction silicone grease is coated between the heat conduction plate 2 and the shell of the battery body 1 and used for filling a gap between the heat conduction plate 2 and the shell of the battery body 1, so that the heat conduction plate and the shell are tightly attached, and meanwhile, the heat conduction efficiency is improved, and further, the cooling effect is improved.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydrogen fuel cell cooling system comprising a cell body (1), characterized in that: the battery pack is characterized in that a heat-conducting plate (2) is mounted on the upper surface of a shell of the battery body (1), a plurality of circulating liquid tanks (5) filled with cooling liquid are uniformly arranged on the upper surface of the heat-conducting plate (2), heat-radiating plates (6) are arranged on the upper surface of each circulating liquid tank (5), rectangular frame-shaped mounting frames (7) are fixedly arranged on the upper surfaces of the heat-radiating plates (6), partition plates are arranged in the middle of the inner side surfaces of the mounting frames (7), connecting plates (71) are arranged between the partition plates and the inner side surfaces of the mounting frames (7), heat-radiating fans (72) are mounted on the connecting plates (71), and working circuits of the heat-radiating fans (72) are formed by control modules corresponding to the heat-radiating fans (72) on an external vehicle-mounted computer and an external vehicle-mounted power supply in series.

2. A hydrogen fuel cell cooling system according to claim 1, characterized in that: a partition plate (56) parallel to the heat conducting plate (2) is arranged in the circulating liquid tank (5), the circulating liquid tank (5) is divided into a cooling tank (57) and a heat absorption tank (58) by the partition plate (56), the shell of the heat absorption tank (58) is connected with the heat conducting plate (2), and the cooling tank (57) is arranged on the upper side of the heat absorption tank (58);

circulating pipes (51) are symmetrically and fixedly arranged on the two side surfaces of the outside of the circulating liquid tank (5), the circulating pipes (51) are communicated with the heat absorption tank (58) and the cooling tank (57), a circulating pump (52) is arranged on one side, close to the cooling tank (57), of the circulating pipes (51), and the circulating pump (52), a control module corresponding to the circulating pump (52) on the external vehicle-mounted computer and an external vehicle-mounted power supply are connected in series to form a working circuit of the circulating pump (52).

3. A hydrogen fuel cell cooling system according to claim 2, characterized in that: an L-shaped liquid adding pipe (53) is arranged on the side surface of the circulating liquid tank (5), and a one-way valve (54) is arranged on the liquid adding pipe (53).

4. A hydrogen fuel cell cooling system according to claim 2, characterized in that: the temperature sensor (55) is installed on the surface of the outer side of the circulating liquid tank (5), the detection end of the temperature sensor (55) is arranged on the inner side of the heat absorption tank (58), and the temperature sensor (55), a control module corresponding to the temperature sensor (55) on an external vehicle-mounted computer and an external vehicle-mounted power supply are connected in series to form a working circuit of the temperature sensor (55).

5. A hydrogen fuel cell cooling system according to claim 1, characterized in that: the upper surface of the heat dissipation plate (6) is uniformly provided with heat dissipation needles (61).

6. A hydrogen fuel cell cooling system according to claim 1, characterized in that: mounting holes (3) are formed in four corners of the upper surface of the heat-conducting plate (2) and four corners of the upper surface of the shell of the battery body (1), and mounting bolts (4) are connected to the mounting holes (3) in an internal thread mode.

7. A hydrogen fuel cell cooling system according to claim 1, characterized in that: and heat-conducting silicone grease is coated between the heat-conducting plate (2) and the shell of the battery body (1).