Waste heat recovery device of fuel cell

Abstract

The utility model relates to the technical field of waste heat utilization of fuel cells, in particular to a waste heat recovery device of a fuel cell, which comprises a waste heat recovery shell and a mounting device, the mounting device comprises a solid hydrogen storage cylinder, a sealing body, a pressing block, a frame body, a driving lead screw, a block body and a driving assembly, the frame body is fixedly mounted on one side of the waste heat recovery shell, the driving lead screw is rotationally mounted on the side, away from the waste heat recovery shell, of the frame body, the driving assembly is connected with the waste heat recovery shell and connected with the driving lead screw, and the pressing block is slidably connected with the frame body. The solid hydrogen storage cylinder is detachably connected with the waste heat recovery shell, the sealing body is slidably connected with the waste heat recovery shell and slidably connected with the solid hydrogen storage cylinder, and the block body is fixedly installed on the side, close to the pressing block, of the sealing body, so that the device conveniently extrudes the sealing body, and the using effect of the recovery device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat utilization of fuel cells, in particular to a waste heat recovery device for fuel cells. Background Art

[0002] A hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrical energy. A large amount of heat is generated when the hydrogen fuel cell is working. In a conventional waste heat recovery device, after the sealing body is sealed with the solid hydrogen storage cylinder and the waste heat recovery shell, when the sealing body is worn, it is inconvenient to adjust the sealing body to re-seal between the solid hydrogen storage cylinder and the waste heat recovery shell, thereby affecting the use effect of the device.

[0003] Prior art CN219873609U discloses a waste heat recovery device for a hydrogen fuel cell, comprising a segmented screw, a pressing block, an adjusting screw, a sealing body, a waste heat recovery shell and a solid-state hydrogen storage cylinder. The adjusting screw is rotated. Since the pressing block is threadedly connected to the adjusting screw, the pressing block will move up and down along the adjusting screw, so that the pressing block presses the sealing body to achieve sealing between the sealing body and the waste heat recovery shell and the solid-state hydrogen storage cylinder, wherein the sealing body is configured as a conical cylindrical structure, which is convenient for insertion between the solid-state hydrogen storage cylinder and the waste heat recovery shell to achieve the purpose of sealed connection. The setting of the conical structure makes the sealing effect better, and the sealing body is squeezed by the pressing block to make the sealing body tightly connected to the waste heat recovery shell and the solid-state hydrogen storage cylinder. Even if the sealing body is worn, the position of the pressing block can be adjusted to squeeze the sealing body to achieve a sealed connection between the sealing body and the waste heat recovery shell and the solid-state hydrogen storage cylinder, thereby improving the use effect of the device.

[0004] In normal use, the adjusting screw is rotated. Since the pressing block is threadedly connected to the adjusting screw, the pressing block will move up and down along the adjusting screw, so that the pressing block presses the sealing body. The prior art is time-consuming and labor-intensive when squeezing the sealing body, making it inconvenient for the device to extrude the sealing body, thereby affecting the use effect of the recovery device. Utility Model Content

[0005] The utility model aims to provide a waste heat recovery device for a fuel cell, which solves the problem that when the adjusting screw is rotated, since the pressing block is threadedly connected to the adjusting screw, the pressing block will move up and down along the adjusting screw to press the sealing body. The prior art is time-consuming and labor-intensive when squeezing the sealing body, making it inconvenient for the device to squeeze the sealing body, thereby affecting the use effect of the recovery device.

[0006] To achieve the above-mentioned purpose, the utility model provides a waste heat recovery device for a fuel cell, comprising a waste heat recovery shell and an installation device; the installation device comprises a solid hydrogen storage cylinder, a sealing body, a pressing block, a frame, a driving screw, a block and a driving assembly, the frame is fixedly installed on one side of the waste heat recovery shell, the driving screw is rotatably installed on the side of the frame away from the waste heat recovery shell, the driving assembly is connected to the waste heat recovery shell and to the driving screw, the pressing block is slidably connected to the frame and to the driving assembly, the solid hydrogen storage cylinder is detachably connected to the waste heat recovery shell, the sealing body is slidably connected to the waste heat recovery shell and to the solid hydrogen storage cylinder, and the block is fixedly installed on the side of the sealing body close to the pressing block.

[0007] Among them, the driving assembly includes a driven wheel, a driving wheel, a base and a rotating component, the base is fixedly connected to the waste heat recovery shell and is rotationally connected to the driving screw, and the rotating component is arranged on the base; the driving wheel is connected to the rotating component; the driven wheel is meshed with the driving wheel and is fixedly connected to the driving screw.

[0008] Wherein, the rotating component includes a rotating rod, a first gear and a power component, the rotating rod is rotatably connected to the base and fixedly connected to the driving wheel; the first gear is fixedly installed on a side of the rotating rod away from the driving wheel; the power component is connected to the base and connected to the first gear.

[0009] Wherein, the power component includes a power motor and a second gear, and the second gear is meshed with the first gear; the power motor is fixedly connected to the base, and the output shaft of the power motor is connected to the second gear.

[0010] Wherein, the installation device also includes a stabilizing cylinder and a stabilizing rod, the stabilizing rod is fixedly installed on a side of the pressing block close to the block body; the stabilizing cylinder is slidably connected to the stabilizing rod and is fixedly connected to the block body.

[0011] The utility model provides a waste heat recovery device for a fuel cell, wherein the power motor drives the second gear to rotate, the second gear drives the first gear to rotate when rotating, the first gear drives the rotating rod to rotate on the base, the rotating rod drives the driving wheel to rotate when rotating, the driving wheel drives the driven wheel to drive the driving screw to rotate on the frame when rotating, the driving screw drives the pressing block to move on the frame when rotating, the pressing block abuts against the block when moving, and drives the block to drive the sealing body to be squeezed and sealed with the solid hydrogen storage cylinder and the waste heat recovery shell, so that the device is convenient for squeezing the sealing body, thereby improving the use effect of the recovery device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the waste heat recovery device of the fuel cell in the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of a pressing block and a driving screw rod of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the first gear and the second gear of the utility model.

[0016] Figure 4 It is a structural schematic diagram of a stabilizing cylinder and a stabilizing rod of the utility model.

[0017] In the figure: 101-waste heat recovery shell, 102-solid hydrogen storage cylinder, 103-sealing body, 104-pressing block, 105-frame, 106-driving screw, 107-block, 108-driven wheel, 109-driving wheel, 110-base, 111-rotating rod, 112-first gear, 113-power motor, 114-second gear, 201-stabilizing cylinder, 202-stabilizing rod. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1-Figure 3 , Figure 1This is a schematic diagram of the overall structure of the waste heat recovery device for a fuel cell according to the first embodiment of the utility model. Figure 2 This is a schematic diagram of the structure of the pressure block and the driving screw rod of the utility model. Figure 3 It is a schematic diagram of the structure of the first gear and the second gear of the utility model. The utility model provides a waste heat recovery device for a fuel cell, including a waste heat recovery shell 101 and a mounting device; the mounting device includes a solid hydrogen storage cylinder 102, a sealing body 103, a pressing block 104, a frame 105, a driving screw 106, a block 107 and a driving assembly, the driving assembly includes a driven wheel 108, a driving wheel 109, a base 110 and a rotating member, the rotating member includes a rotating rod 111, a first gear 112 and a power component, the power component includes a power motor 113 and a second gear 114, and the above-mentioned scheme solves the problem that the prior art is time-consuming and labor-intensive when squeezing the sealing body 103, making it inconvenient for the device to extrude the sealing body 103, thereby affecting the use effect of the recovery device. It can be understood that the above-mentioned scheme can be used when rotating the adjusting screw. Since the pressing block 104 is threadedly connected to the adjusting screw, the pressing block 104 will move up and down along the adjusting screw, so that the pressing block 104 presses the sealing body 103 tightly.

[0021] According to this specific embodiment, the driving assembly drives the driving screw 106 to rotate on the frame 105, and the driving screw 106 drives the pressing block 104 to move on the frame 105 when rotating. The pressing block 104 abuts against the block 107 when moving, and drives the block 107 to drive the sealing body 103 to extrude and seal with the solid-state hydrogen storage cylinder 102 and the waste heat recovery shell 101, so that the device can easily extrude the sealing body 103, thereby improving the use effect of the recovery device.

[0022] The frame 105 is fixedly mounted on one side of the waste heat recovery housing 101, the driving screw 106 is rotatably mounted on the side of the frame 105 away from the waste heat recovery housing 101, the driving assembly is connected to the waste heat recovery housing 101 and to the driving screw 106, the pressing block 104 is slidably connected to the frame 105 and to the driving assembly, the solid-state hydrogen storage cylinder 102 is detachably connected to the waste heat recovery housing 101, and the sealing body 103 is connected to the waste heat recovery housing 10 1 is slidably connected, and is slidably connected with the solid hydrogen storage cylinder 102, the block 107 is fixedly installed on one side of the sealing body 103 close to the pressing block 104, the interior of the waste heat recovery shell 101 is hollow, and the top of the waste heat recovery shell 101 is designed with a sealing port, the block 107 has two, and the two blocks 107 are respectively located on the left and right sides of the top of the sealing body 103, the upper part of the side of the frame 105 is designed with a slide groove, and the end of the frame 105 is designed with a through hole, and the frame 105 has two, two The frames 105 are respectively located at the left and right parts of the outside of the waste heat recovery shell 101. There are two pressing blocks 104. The top of the pressing block 104 is designed with a through threaded hole. The outside of the pressing block 104 is slidably connected with the slide groove of the frame 105. The driving screw 106 is a cylinder. The upper part of the outer side of the driving screw 106 is designed with an external thread. The driving screw 106 is connected with the through threaded hole of the pressing block 104 through the through hole of the frame 105. The driving assembly drives the driving screw 106 in the frame. The driving screw 106 is driven by the driving assembly to rotate on the frame 105, and the driving screw 106 drives the pressing block 104 to move on the frame 105 when rotating, and the pressing block 104 abuts against the block 107 when moving, and drives the block 107 to drive the sealing body 103 to extrude and seal with the solid-state hydrogen storage cylinder 102 and the waste heat recovery shell 101, so that the device can easily extrude the sealing body 103, thereby improving the use effect of the recovery device.

[0023] Secondly, the base 110 is fixedly connected to the waste heat recovery housing 101 and is rotatably connected to the driving screw 106. The rotating member is arranged on the base 110; the driving wheel 109 is connected to the rotating member; the driven wheel 108 is meshed with the driving wheel 109 and is fixedly connected to the driving screw 106. The interior of the base 110 is hollow, and rotating holes are designed on the left and right sides of the top of the base 110. The driven wheel 108 and the driving wheel 109 are bevel gears. 08, there are two driving wheels 109, the bottom end of the driving screw rod 106 is fixedly connected to the top of the driven wheel 108 through the rotating hole of the base 110, the rotating component drives the two driving wheels 109 to rotate inside the base 110, and the driving wheel 109 is driven to rotate by the rotating component. When the driving wheel 109 rotates, it drives the driven wheel 108 to drive the driving screw rod 106 to rotate on the frame 105, thereby driving the driving screw rod 106 to rotate.

[0024] Then, the rotating rod 111 is rotatably connected to the base 110 and fixedly connected to the driving wheel 109; the first gear 112 is fixedly installed on the side of the rotating rod 111 away from the driving wheel 109; the power component is connected to the base 110 and to the first gear 112. A through hole is designed on the right side of the base 110, and the end of the rotating rod 111 is rotatably connected to the through hole of the base 110. The driving wheel 109 is located on the left and right parts of the outer side of the rotating rod 111, and the first gear 112 is located on the right side. The power component is located inside the base 110, and the first gear 112 is driven by the power component to drive the rotating rod 111 to rotate on the base 110. When the rotating rod 111 rotates, it drives the driving wheel 109 to rotate, thereby driving the driving wheel 109 to rotate.

[0025] Finally, the second gear 114 is meshed with the first gear 112; the power motor 113 is fixedly connected to the base 110, the output shaft of the power motor 113 is connected to the second gear 114, the output shaft of the power motor 113 is fixedly connected to the left side of the second gear 114, the outer side of the second gear 114 is meshed with the outer side of the first gear 112, and the second gear 114 is driven to rotate by the power motor 113, and the second gear 114 drives the first gear 112 to rotate when rotating, thereby driving the first gear 112 to rotate.

[0026] When using a waste heat recovery device of a fuel cell of the present embodiment, the power motor 113 drives the second gear 114 to rotate, and the second gear 114 drives the first gear 112 to rotate when rotating, and the first gear 112 drives the rotating rod 111 to rotate on the base 110, and the rotating rod 111 drives the driving wheel 109 to rotate when rotating, and the driving wheel 109 drives the driven wheel 108 to drive the driving screw 106 to rotate on the frame 105 when rotating, and the driving screw 106 drives the pressing block 104 to move on the frame 105 when rotating, and the pressing block 104 abuts against the block 107 when moving, and drives the block 107 to drive the sealing body 103 to be squeezed and sealed with the solid hydrogen storage cylinder 102 and the waste heat recovery shell 101, so that the device can easily squeeze the sealing body 103, thereby improving the use effect of the recovery device.

[0027] The second embodiment of the present application is:

[0028] See also Figure 4 , Figure 4 20 is a schematic diagram of the structure of the stabilizing cylinder and the stabilizing rod of the utility model. On the basis of the first embodiment, the installation device of this embodiment further includes a stabilizing cylinder 201 and a stabilizing rod 202 .

[0029] According to this specific embodiment, the stabilizing rod 202 is driven to be inserted into the stabilizing block by the pressing block 104 when it moves, thereby improving the stability of the pressing block 104 abutting against the block body 107 .

[0030] Among them, the stabilizing rod 202 is fixedly installed on a side of the pressing block 104 close to the block body 107; the stabilizing cylinder 201 is slidably connected to the stabilizing rod 202 and fixedly connected to the block body 107. There are two stabilizing rods 202. The stabilizing rod 202 is a cylinder. The bottom end of the stabilizing rod 202 is fixedly connected to the bottom of the pressing block 104. The top of the block body 107 is designed with a mounting hole. The stabilizing cylinder 201 is a cylinder with a through hole designed on the top. There are two stabilizing cylinders 201. The outer side of the stabilizing cylinder 201 is fixedly connected to the through hole of the block body 107. The outer side of the stabilizing rod 202 is slidably connected to the inner side of the stabilizing cylinder 201. The stabilizing rod 202 is driven to be inserted into the stabilizing block when the pressing block 104 moves, thereby improving the stability of the pressing block 104 abutting against the block body 107.

[0031] When the waste heat recovery device of a fuel cell of this embodiment is used, the pressing block 104 drives the stabilizing rod 202 to be inserted into the stabilizing block when moving, thereby improving the stability of the pressing block 104 abutting against the block body 107 .

[0032] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A waste heat recovery device for a fuel cell, comprising a waste heat recovery housing, characterized in that: Also included is a mounting device; The installation device includes a solid-state hydrogen storage cylinder, a sealing body, a pressing block, a frame, a driving screw, a block and a driving assembly. The frame is fixedly installed on one side of the waste heat recovery shell, and the driving screw is rotatably installed on the side of the frame away from the waste heat recovery shell. The driving assembly is connected to the waste heat recovery shell and to the driving screw. The pressing block is slidably connected to the frame and to the driving assembly. The solid-state hydrogen storage cylinder is detachably connected to the waste heat recovery shell, the sealing body is slidably connected to the waste heat recovery shell and to the solid-state hydrogen storage cylinder, and the block is fixedly installed on the side of the sealing body close to the pressing block.

2. The waste heat recovery device for a fuel cell according to claim 1, characterized in that: The driving assembly includes a driven wheel, a driving wheel, a base and a rotating component. The base is fixedly connected to the waste heat recovery shell and is rotationally connected to the driving screw. The rotating component is arranged on the base; the driving wheel is connected to the rotating component; the driven wheel is meshed with the driving wheel and is fixedly connected to the driving screw.

3. The waste heat recovery device for a fuel cell according to claim 2, characterized in that: The rotating component includes a rotating rod, a first gear and a power component. The rotating rod is rotatably connected to the base and fixedly connected to the driving wheel; the first gear is fixedly installed on a side of the rotating rod away from the driving wheel; the power component is connected to the base and connected to the first gear.

4. The waste heat recovery device for a fuel cell according to claim 3, characterized in that: The power component includes a power motor and a second gear, wherein the second gear is meshed with the first gear; the power motor is fixedly connected to the base, and the output shaft of the power motor is connected to the second gear.

5. The waste heat recovery device for a fuel cell according to claim 1, characterized in that: The mounting device further comprises a stabilizing cylinder and a stabilizing rod, wherein the stabilizing rod is fixedly mounted on a side of the pressing block close to the block body; the stabilizing cylinder is slidably connected to the stabilizing rod and is fixedly connected to the block body.

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