A hydrogen fuel cell radiator with integrated deionizer

Through the design of threaded connection and flow diversion components, the radiator body and the deionized tank body are integrated, solving the problems of large space occupation and high assembly difficulty of fuel cell radiator, achieving efficient flow diversion of media and flexible pipeline adjustment, and improving the performance of the radiator.

CN112670533BActive Publication Date: 2025-08-08BEIJING SINOHYTEC
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Patent Information

Application Number
CN202110183473.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-02-10
Publication Date
2025-08-08
Estimated Expiration
2041-02-10

AI Technical Summary

Technical Problem

The existing fuel cell radiator and deionized tank are two parts, which occupy a large space and are difficult to assemble. The accumulation of dielectrics can easily lead to poor adsorption and conductivity reduction, difficulty in fixing the pipeline connection, and easy to bend and block.

Method used

The radiator body and the deionized tank are connected in a threaded manner, and the efficient flow diversion of the medium and flexible pipe adjustment by dispersing the flow diversion assembly and the angle adjustment assembly are achieved.

Benefits of technology

Improves space utilization, simplifies the assembly process, enhances the fluidity and adsorption of the medium, prevents pipe bending, and improves the overall performance of the radiator.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a hydrogen fuel cell radiator with an integrated deionizer, comprising a radiator body and a deionization tank body, wherein the radiator body is provided with a mounting position for mounting the deionization tank body, and the deionization tank body is fixedly mounted on the mounting position by bolt connection or threaded connection, so that the radiator body and the deionization tank body are in fluid communication. Specifically, the radiator body and the deionization tank body are threadedly connected, so that the original medium outlet of the radiator body is directly connected to the inlet of the deionization tank body, so that the deionization tank body and the radiator body are assembled into an integral whole. This not only fully utilizes the space to facilitate the installation and arrangement of the remaining components, but also forms a limiting guide structure under the corresponding cooperation of the guide rod and the guide sleeve, providing stability and assembly efficiency for the threaded disassembly and assembly of the threaded splicing pipe and the internal threaded sleeve, thereby increasing the operability and convenience of the installation of the structural components of the device.
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Description

Technical Field

[0001] The present invention relates to the technical field of fuel cells, in particular to a hydrogen fuel cell radiator with an integrated deionizer. Background Art

[0002] A fuel cell is a chemical device that converts the chemical energy of a fuel directly into electrical energy, also known as an electrochemical generator. It is the fourth power generation technology after hydropower, thermal power generation, and atomic power generation. Since fuel cells convert the Gibbs free energy portion of the fuel's chemical energy into electrical energy through electrochemical reactions, they are not restricted by the Carnot cycle effect and are therefore highly efficient. In addition, the function of the fuel cell radiator is to discharge the heat generated by the stack out of the system, maintaining the stack at an appropriate operating temperature. The function of the deionization tank is to absorb anions and cations in the coolant to reduce the coolant's conductivity.

[0003] The current combustion battery radiator and deionization tank are two components. When arranging them, the medium outlet of the radiator is generally connected to the inlet of the deionization tank through a pipe, so that the radiator and the deionization tank need to be arranged and installed in two different positions. However, the layout space of the combustion battery is limited, so the space required for the radiator and the deionization tank is large, which is not convenient for assembling other components, increasing the limitations of the use of the battery radiator and the difficulty of assembly; when the radiator transports and guides the medium, the medium is easily accumulated inside the radiator and is not easy to be discharged quickly. Moreover, when the mixed medium for a long time directly enters the deionization tank, the ion absorption rate and the reduced conductivity cannot meet the ideal requirements, reducing the actual effect of the heat dissipation work; when the ion medium is discharged after adsorption at the outlet, it is often necessary to install a tank outlet in the deionization tank and connect it with a pipe for diversion. However, during actual installation, the tank outlet and the pipe occupy a large space, making it difficult to connect and fix the pipe. At the same time, the position and direction of the pipe are often fixed, and it is easy to bend the connected pipe during assembly, resulting in blockage during subsequent discharge and inability to discharge normally. Summary of the Invention

[0004] The object of the present invention is to provide a hydrogen fuel cell radiator integrated with a deionizer to solve the related problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: comprising a radiator body and a deionization tank body, wherein the radiator body is provided with a mounting position for mounting the deionization tank body, and the deionization tank body is fixedly mounted on the mounting position by a bolt connection or a threaded connection, so that the radiator body and the deionization tank body are fluidically connected.

[0006] Preferably, the deionization tank is fixedly mounted on the radiator body by a threaded connection, specifically in the following manner:

[0007] A threaded splicing tube that is interconnected is provided at the middle position of one end of the deionization tank body, a first annular groove is provided on the outside of the deionization tank body near the threaded splicing tube, first sliding blocks that cooperate with each other are symmetrically provided on the inner side of the first annular groove, and a guide rod is provided at one end of the two groups of first sliding blocks, a turntable is provided on the outside of the bottom of the radiator body, a boss is provided at the bottom of the turntable, a docking sleeve is provided at the middle position of the bottom of the boss, an internal threaded sleeve that is adapted to the threaded splicing tube is provided on the inner side of the docking sleeve, an O-ring is provided on the outside of the internal threaded sleeve near the bottom of the docking sleeve, guide sleeves corresponding to the guide rod are provided on both sides of the bottom of the boss, a dispersion and diversion component is provided at the edge of one end of the inner side of the radiator body, and an angle adjustment component is provided at the middle position of the bottom of the deionization tank body;

[0008] A third annular groove is provided at the edge of one end of the inner part of the dispersion guide component, and third sliding blocks that cooperate with each other are symmetrically provided on the inner side of the third annular groove, and mutually connected guide grooves are provided on the side where two groups of third sliding blocks are close to each other, and connecting plates are provided at the four corners of one end of the inner side of the guide groove, and guide pillars are provided on the side where the four groups of connecting plates are close to each other. The bottom of the four groups of connecting plates are provided with fan-shaped filter plates connected to the guide pillars, and a spiral guide pipe that is interconnected with the internal threaded sleeve is provided at the middle position of the bottom of the guide groove. A servo motor is provided on one side of the bottom of the radiator body, and a gear is provided at the output end of the servo motor. An outer gear ring that meshes with the gear is provided at the middle position of the outer side of the guide groove;

[0009] A bearing seat is provided at the middle position of the bottom of the angle adjustment assembly, and the inner side of the bearing seat is provided with a tank outlet that is interconnected with the deionization tank body. One end of the outer side of the tank outlet is provided with a connecting plate that is interconnected. A second annular groove is provided on the outer side of the bottom of the deionization tank body near the bearing seat, and second sliding blocks that cooperate with each other are symmetrically provided on the inner side of the second annular groove. Guide columns and fixing bolts that are interconnected with the second sliding block are respectively provided on both sides of the inside of the connecting plate.

[0010] Preferably, a hemispherical guide block is provided at one end of the guide column, and a decomposition net is provided on the outside of the hemispherical guide block, and the bottom of the outside of the guide column corresponds to the spiral guide tube.

[0011] Preferably, the tank body outlet is made of an L-shaped structure, one group of the second sliders is fixedly connected to the guide column, and the middle position inside the other group of the second sliders is provided with a threaded hole that is compatible with the fixing bolt, and one end of the inner side of the second annular groove is provided with an anti-slip pattern that fits with the fixing bolt.

[0012] Preferably, a control switch is provided at the bottom of one side of the radiator body, and the control switch is electrically connected to the servo motor. A protective shell is provided on the outside of the servo motor, and silencer cotton is provided on the inside of the protective shell.

[0013] Preferably, the four groups of fan-shaped filter plates are evenly provided with filter mesh holes inside, and the filter mesh holes are evenly arranged in an inclined state inside the fan-shaped filter plates.

[0014] Preferably, the first slider and the first annular slot, the second slider and the second annular slot, and the third slider and the third annular slot all cooperate with each other in a guided sliding structure.

[0015] Preferably, a spring is provided at one end of the inside of the two groups of guide sleeves, and the spring and the guide rod are squeezed and fitted with each other.

[0016] Preferably, four sets of push-pull handles are provided on the outer side of the turntable, and the outer sides of the push-pull handles are provided with anti-slip grooves.

[0017] Preferably, an expansion plate is provided at one end of the outer side of the guide groove, and a docking ring is provided at the edge of one end of the expansion plate.

[0018] Preferably, a buffer ring is provided at one end of the outer side of the deionization tank body, and a reinforcement ring is symmetrically provided at the bottom of the outer side of the deionization tank body.

[0019] Compared with the prior art, the present invention provides a hydrogen fuel cell radiator with an integrated deionizer, which has the following beneficial effects:

[0020] 1. The present invention uses the threaded connection between the threaded splicing pipe and the internally threaded sleeve to directly connect the original medium outlet of the radiator body with the inlet of the deionization tank body, so that the deionization tank body and the radiator body are assembled into an integral whole. This not only makes full use of space to facilitate the installation and arrangement of other components, but also forms a limiting guide structure under the corresponding cooperation of the guide rod and the guide sleeve, providing stability and assembly efficiency for the threaded disassembly and assembly of the threaded splicing pipe and the internally threaded sleeve, thereby increasing the operability and convenience of the installation of the structural components of the device.

[0021] 2. The present invention utilizes the mutual cooperation of the dispersion and diversion components to promote the centrifugal rotation of the medium entering the diversion groove, and forces the medium to disperse under the obstruction of the guide column and the rotating flow of the fan-shaped filter plate, thereby improving the fluidity of the medium and enhancing the subsequent adsorption and cooling effect of the medium.

[0022] 3. The present invention can eliminate the thread limit of the second slider and the second annular groove by the fixing bolts through the mutual cooperation of the angle adjustment components according to the use requirements, and then directly rotate the tank outlet to adjust the direction with the cooperation of the bearing seat, so as to facilitate the operator to carry out the pipeline connection work during the installation of the components, to prevent the assembled pipeline from bending, resulting in the medium outlet being unable to be discharged normally, increase the functionality of the component angle adjustment, and enhance the stability of the operation of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional exploded view of the present invention;

[0024] Figure 2 It is a three-dimensional combination diagram of the present invention;

[0025] Figure 3 For the present invention Figure 1 A magnified view of point A;

[0026] Figure 4 is a cross-sectional view of the radiator body of the present invention;

[0027] Figure 5 A three-dimensional diagram of the guide trough of the present invention;

[0028] Figure 6 A three-dimensional diagram of the docking sleeve of the present invention;

[0029] Figure 7 This is a top view of the deionization tank body of the present invention.

[0030] In the figure: 1. deionization tank body; 2. first annular chute; 3. first slider; 4. guide rod; 5. threaded splicing tube; 6. guide sleeve; 7. turntable; 8. boss; 9. radiator body; 10. docking sleeve; 11. internally threaded sleeve; 12. second annular chute; 121. second slider; 122. guide post; 123. bearing seat; 124. connecting plate; 125. tank body outlet; 126. fixing bolt; 13. third slider; 131. third annular chute; 132. spiral guide tube; 133. guide trough; 134. servo motor; 135. outer gear ring; 136. gear; 137. sector filter plate; 138. connecting plate; 139. guide post; 14. O-ring. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1-7 The present invention provides a technical solution: a hydrogen fuel cell radiator with an integrated deionizer, comprising a deionization tank body 1 and a radiator body 9, wherein a threaded splicing pipe 5 that is interconnected is provided at the middle position of one end of the deionization tank body 1, a first annular chute 2 is provided on the outer side of the deionization tank body 1 near the threaded splicing pipe 5, and first sliders 3 that cooperate with each other are symmetrically provided on the inner side of the first annular chute 2, and a guide rod 4 is provided at one end of the two groups of first sliders 3, a turntable 7 is provided on the outer side of the bottom of the radiator body 9, a boss 8 is provided at the bottom of the turntable 7, a docking sleeve 10 is provided at the middle position of the bottom of the boss 8, an internal threaded sleeve 11 that is adapted to the threaded splicing pipe 5 is provided on the inner side of the docking sleeve 10, an O-ring 14 is provided on the outer side of the internal threaded sleeve 11 near the bottom of the docking sleeve 10, guide sleeves 6 corresponding to the guide rod 4 are provided on both sides of the bottom of the boss 8, a dispersion and diversion component is provided at the edge of one end of the inner side of the radiator body 9, and an angle adjustment component is provided at the middle position of the bottom of the deionization tank body 1;

[0033] A third annular chute 131 is provided at the edge of one end of the inner part of the dispersion guide component, and third sliders 13 that cooperate with each other are symmetrically provided on the inner side of the third annular chute 131. The two groups of third sliders 13 are provided with mutually connected guide grooves 133 on the side close to each other. Connecting plates 138 are provided at the four corners of one end of the inner side of the guide groove 133. Guide pillars 139 are provided on the side close to each other of the four groups of connecting plates 138. Fan-shaped filter plates 137 connected to the guide pillars 139 are provided at the bottom of the four groups of connecting plates 138. A spiral guide pipe 132 that is interconnected with the internal threaded sleeve 11 is provided at the middle position of the bottom of the guide groove 133. A servo motor 134 is provided on one side of the bottom of the radiator body 9. A gear 136 is provided at the output end of the servo motor 134. An outer gear ring 135 that meshes with the gear 136 is provided at the middle position of the outer side of the guide groove 133.

[0034] A bearing seat 123 is provided in the middle position of the bottom of the angle adjustment assembly. The inner side of the bearing seat 123 is provided with a tank outlet 125 which is interconnected with the deionization tank body 1. One end of the outer side of the tank outlet 125 is provided with a connecting plate 124 which is connected to each other. A second annular groove 12 is provided on the outer side of the bottom of the deionization tank body 1 near the bearing seat 123. Second sliders 121 that cooperate with each other are symmetrically provided on the inner side of the second annular groove 12. Guide columns 122 and fixing bolts 126 that are interconnected with the second slider 121 are respectively provided on both sides of the inside of the connecting plate 124.

[0035] As a preferred solution of this embodiment: a hemispherical guide block is provided at one end of the guide column 139, and a decomposition net is provided on the outside of the hemispherical guide block. The bottom of the outside of the guide column 139 corresponds to the spiral guide tube 132, thereby increasing the dispersion and breaking up function of the structure on the ion medium outlet and improving the guiding and drainage effect of the medium outlet.

[0036] As a preferred solution of this embodiment: the tank body outlet 125 is made of an L-shaped structure, a group of second sliders 121 are fixedly connected to the guide column 122, and a threaded hole that matches the fixing bolt 126 is provided at the middle position inside the other group of second sliders 121, and one end of the inner side of the second annular groove 12 is provided with an anti-slip groove that fits with the fixing bolt 126, so as to increase the friction generated by the contact between the components and prevent the components from slipping during fixation, resulting in displacement of the fixed position.

[0037] As a preferred solution of this embodiment: a control switch is provided at the bottom of one side of the radiator body 9, and the control switch is electrically connected to the servo motor 134, a protective shell is provided on the outside of the servo motor 134, and silencer cotton is provided on the inside of the protective shell to increase the protection of the components.

[0038] As a preferred solution of this embodiment: the interiors of the four groups of fan-shaped filter plates 137 are evenly provided with filter mesh holes, and the filter mesh holes are evenly arranged in an inclined state inside the fan-shaped filter plates 137, thereby improving the stirring and dispersion effect of the medium outlet and enhancing the subsequent cooling efficiency.

[0039] As a preferred solution of this embodiment: the first slider 3 and the first annular groove 2, the second slider 121 and the second annular groove 12, and the third slider 13 and the third annular groove 131 all cooperate with each other in a guided sliding structure to increase the stability of the component movement and the limiting function.

[0040] As a preferred solution of this embodiment: a spring is provided at one end of the two sets of guide sleeves 6, and the spring and the guide rod 4 are squeezed and fitted with each other, and the elastic restoring force can be used to enhance the convenience of subsequent component disassembly and separation.

[0041] As a preferred solution of this embodiment: four sets of push-pull handles are provided on the outer side of the turntable 7, and the outer sides of the push-pull handles are provided with anti-slip grooves to facilitate the rotation of the push components for threaded connection.

[0042] As a preferred solution of this embodiment: an expansion plate is provided at one end of the outer side of the guide groove 133, and a docking ring is provided at the edge of one end of the expansion plate to increase the range of the device receiving the medium outlet and improve the operability of component connection.

[0043] As a preferred solution of this embodiment: a buffer ring is provided at one end of the outer side of the deionization tank body 1 , and reinforcement rings are symmetrically provided at the bottom of the outer side of the deionization tank body 1 to improve the protection of the component surface.

[0044] Example 1, as Figure 3As shown, when the deionization tank body 1 is being installed, the threaded fixing of the fixing bolts 126 on a group of second sliders 121 and the second annular groove 12 can be cancelled. Then, during the assembly work, the connecting plate 124 can be rotated to drive the tank body outlet 125 to rotate in cooperation with the bearing seat 123. During this period, it moves under the connection guidance of another group of second sliders 121 and the guide column 122 to adjust the angle, so as to facilitate the rapid change of the position orientation of the tank body outlet 125 during actual use. After the position is determined, it is threadedly fixed to a group of second sliders 121 and the second annular groove 12 again by the fixing bolts 126 to prevent the position of the tank body outlet 125 from being offset, thereby increasing the convenience and operability of component assembly.

[0045] Example 2, as Figure 4-5 As shown, when the ion medium outlet is transported through the radiator body 9, the servo motor 134 can be started to drive the gear 136 to mesh with the outer gear ring 135, forcing the guide groove 133 as a whole to rotate centrifugally under the limiting guidance of the third slider 13 and the third annular slide groove 131. At this time, the medium outlet is blocked by the guide column 139 to form a diversion, and then the medium outlet is broken up and dispersed under the stirring action of the four groups of fan-shaped filter plates 137. The dispersed medium outlet is guided by the spiral guide tube 132 to enter the deionization tank body 1 for adsorption cooling. This not only prevents the medium outlet from mixing and causing poor cooling effect, but also improves the fluidity of the medium outlet and the subsequent discharge efficiency.

[0046] Working principle: When the device is in use, the deionization tank body 1 and the radiator body 9 are aligned with each other, and the guide sleeve 6 is inserted into the guide rod 4 as a guide structure to force the threaded splicing pipe 5 into the internal threaded sleeve 11. At this time, the turntable 7 can be rotated to drive the internal threaded sleeve 11 and the guide sleeve 6 to rotate, and the rotation of the internal threaded sleeve 11 is used to cooperate with the thread of the threaded splicing pipe 5 to achieve a deep connection. Under the guidance of the guide sleeve 6 and the guide rod 4, the stability and convenience of the device installation are provided. The connection between 9 and the deionization tank body 1 is integrated to fully reduce the space required for the assembly of the deionization tank body 1 and the radiator body 9, and enhance the assembly efficiency of the remaining components. At this time, the medium outlet of the radiator body 9 can be cancelled and the tank outlet 125 of the deionization tank body 1 can be used to replace the original discharge work of the radiator body 9.

[0047] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Simple modifications or equivalent substitutions of the technical solution of the present invention by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the present invention.

Claims

1. A hydrogen fuel cell radiator with an integrated deionizer, comprising a radiator body (9) and a deionization tank body (1), characterized in that: The radiator body (9) is provided with a mounting position for mounting the deionization tank body (1), and the deionization tank body (1) is fixedly mounted on the mounting position by bolt connection or threaded connection, so that the radiator body (9) and the deionization tank body (1) are in fluid communication; A threaded splicing pipe (5) is provided at the middle position of one end of the deionization tank body (1), a first annular chute (2) is provided on the outer side of the threaded splicing pipe (5) at one end of the deionization tank body (1), first sliding blocks (3) that cooperate with each other are symmetrically provided on the inner side of the first annular chute (2), and a guide rod (4) is provided at one end of two groups of the first sliding blocks (3), a turntable (7) is provided on the outer side of the bottom of the radiator body (9), a boss (8) is provided at the bottom of the turntable (7), and the middle of the bottom of the boss (8) is provided. A docking sleeve (10) is provided at the position, an internal threaded sleeve (11) adapted to the threaded splicing pipe (5) is provided on the inner side of the docking sleeve (10), an O-ring (14) is provided on the outer side of the bottom of the docking sleeve (10) close to the internal threaded sleeve (11), guide sleeves (6) corresponding to the guide rod (4) are provided on both sides of the bottom of the boss (8), a dispersion guide component is provided at the edge of one end of the interior of the radiator body (9), and an angle adjustment component is provided at the middle position of the bottom of the deionization tank body (1); A third annular chute (131) is provided at the edge of one end of the inner side of the dispersed flow guide component, and third sliding blocks (13) that cooperate with each other are symmetrically provided on the inner side of the third annular chute (131). Two groups of the third sliding blocks (13) are provided with mutually connected flow guide grooves (133) on the side close to each other, and connecting plates (138) are provided at the four corners of one end of the inner side of the flow guide groove (133). Four groups of the connecting plates (138) are provided with guide columns (139) on the side close to each other. A fan-shaped filter plate (137) interconnected with a guide column (139) is provided at the bottom of the guide groove (133); a spiral guide pipe (132) interconnected with the internal threaded sleeve (11) is provided at the middle position of the bottom of the guide groove (133); a servo motor (134) is provided on one side of the bottom of the radiator body (9); a gear (136) is provided at the output end of the servo motor (134); and an outer gear ring (135) meshing with the gear (136) is provided at the middle position of the outer side of the guide groove (133); A bearing seat (123) is provided at the middle position of the bottom of the angle adjustment component, a tank outlet (125) is sleeved on the inner side of the bearing seat (123) and is communicated with the deionization tank body (1), and a connecting plate (124) is provided on one end of the outer side of the tank outlet (125) and is connected to each other, a second annular chute (12) is provided on the outer side of the bottom of the deionization tank body (1) near the bearing seat (123), and a second sliding block (121) that cooperates with each other is symmetrically provided on the inner side of the second annular chute (12), and a guide column (122) and a fixing bolt (126) that are connected to the second sliding block (121) are provided on both sides of the interior of the connecting plate (124); One end of the guide column (139) is provided with a hemispherical guide block, and the outer side of the hemispherical guide block is provided with a decomposition net, and the bottom of the outer side of the guide column (139) corresponds to the spiral guide tube (132); The tank body outlet (125) is made of an L-shaped structure, one group of the second sliders (121) is fixedly connected to the guide column (122), and a threaded hole that is adapted to the fixing bolt (126) is provided at the middle position inside the other group of the second sliders (121), and one end of the inner side of the second annular groove (12) is provided with an anti-slip pattern that is in contact with the fixing bolt (126).

2. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: A control switch is provided at the bottom of one side of the radiator body (9), and the control switch is electrically connected to the servo motor (134). A protective shell is provided on the outside of the servo motor (134), and silencer cotton is provided on the inside of the protective shell.

3. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: The four groups of fan-shaped filter plates (137) are evenly provided with filter mesh holes inside, and the filter mesh holes are evenly arranged in an inclined state inside the fan-shaped filter plates (137).

4. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: The first slider (3) and the first annular chute (2), the second slider (121) and the second annular chute (12), and the third slider (13) and the third annular chute (131) all cooperate with each other in a guided sliding structure.

5. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: A spring is provided at one end inside the two sets of guide sleeves (6), and the spring and the guide rod (4) are pressed and matched with each other.

6. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: Four sets of push-pull handles are provided on the outer side of the turntable (7), and anti-slip grooves are provided on the outer side of the push-pull handles.

7. The hydrogen fuel cell radiator integrated with a deionizer according to claim 1, characterized in that: An expansion plate is provided at one end of the outer side of the guide groove (133), and a docking ring is provided at the edge of one end of the expansion plate.

Citation Information

Patent Citations

  • Water circulation cooling system

    CN203734131U

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    CN214099657U