Refrigerating and cooling device of hydrogen fuel cell system
By introducing a folded bellows and toothed plate structure into the refrigeration device of the hydrogen fuel cell system, the problem of difficult coolant addition has been solved, and a convenient coolant addition process has been achieved.
Patent Information
- Application Number
- CN202422883700.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The small diameter of the inlet of the coolant storage tank in the hydrogen fuel cell system means that adding coolant requires a slow operation and must be done carefully to prevent liquid from spilling, which increases the difficulty of operation for staff.
A refrigeration device comprising a folded bellows and a toothed plate structure was designed. By rotating the knob, the toothed disc and toothed column are driven to expand the diameter of the folded bellows, making it easier to add coolant.
It simplifies the coolant addition process, reduces reliance on additional tools, and improves ease of operation.
Smart Images
Figure CN223809120U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cooling device technical field, concretely is a kind of refrigeration cooling device of hydrogen fuel cell system. BACKGROUND
[0002] Hydrogen fuel cell system is generally cooled by cooling liquid system, cooling liquid circulates in system, removes heat through cooler or heat exchanger, keeps battery at suitable working temperature, refrigeration cooling device of hydrogen fuel cell system can prevent battery overheating, ensure system runs in optimum temperature range, optimize battery performance and power output, improve overall system efficiency, reduce the damage of high temperature to battery assembly, prolong the service life of system, avoid damage to other sensitive components in system caused by overheating;
[0003] When adding cooling liquid to the refrigeration cooling device of hydrogen fuel cell system, the hydrogen fuel cell system needs to be closed and cooled to a safe temperature, then the residual cooling liquid in the refrigeration cooling device is discharged, and the cooling liquid is slowly injected into the cooling liquid storage tank to prevent air bubbles. Air bubbles can hinder the flow of cooling liquid in the system. Since the inlet of the cooling liquid storage tank has a small diameter, the worker not only needs to add the cooling liquid slowly, but also needs to pay attention to prevent the cooling liquid from pouring out of the storage tank. Therefore, the worker needs additional tools such as a funnel to add the cooling liquid to the refrigeration cooling device, which is inconvenient for the worker to add the cooling liquid to the refrigeration cooling device. Therefore, we propose a refrigeration cooling device for hydrogen fuel cell system. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a refrigeration cooling device for hydrogen fuel cell system to solve the problem of small diameter of the inlet of the cooling liquid storage tank, which makes the worker not only need to add the cooling liquid slowly, but also need to pay attention to prevent the cooling liquid from pouring out of the storage tank, and makes the worker inconvenient to add the cooling liquid to the refrigeration cooling device.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a refrigeration cooling device for hydrogen fuel cell system, comprising a cooling liquid storage tank and an inlet, the upper side of the cooling liquid storage tank is fixed with an inlet, and the outer side of the cooling liquid storage tank is sequentially installed with a radiator and a cooling liquid circulating pump, the inner side of the inlet is fixed with a toothed plate, and the inside of the inlet is provided with a folded bellows and a connecting pipe, the folded bellows is fixed with the connecting pipe, one side of the folded bellows is fixed with a support, and the lower end of the support is fixed with a toothed column.
[0006] Preferably, the toothed column is movably connected with the connecting pipe through a bearing seat, and the inside of the connecting pipe is connected with a screw rod.
[0007] Preferably, the lower end of the screw rod is fixed with a first toothed disc, and the first toothed disc is movably connected with the inlet through a bearing seat.
[0008] Preferably, the first tooth disc is in abutment with the inner side of the tooth ring, and the tooth ring is movably connected with the liquid inlet through a bearing.
[0009] Preferably, the outer side of the tooth ring is in abutment with a second tooth disc, and the second tooth disc is movably connected with the cooling liquid storage tank through a bearing.
[0010] Preferably, the upper side of the second tooth disc is fixed with a knob, and the second tooth disc and the first tooth disc are respectively in meshing abutment with the tooth ring.
[0011] Compared with the prior art, the hydrogen fuel cell system refrigeration cooling device has the advantages that when the cooling liquid is added, the box cover of the liquid inlet is opened, the knob is rotated, the connecting pipe can lift the folding bellows upward, when the folding bellows gradually moves out of the liquid inlet, the tooth column can drive the bracket to rotate, so that the bracket can drive the upper end of the folding bellows to rotate and expand outward, the caliber of one side of the folding bellows is expanded, the cooling liquid can be poured into the inside of the cooling liquid storage tank through the folding bellows, and the hydrogen fuel cell system refrigeration cooling device is convenient for adding cooling liquid. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic view of the cooling liquid storage tank and the radiator of the utility model;
[0013] Figure 2 It is a folding bellows, a connecting pipe and a connecting structure schematic view of the utility model;
[0014] Figure 3 It is a three-dimensional structure schematic view of the cooling liquid storage tank and the radiator of the utility model; Figure 1 It is a local enlarged structure schematic view of A in the utility model;
[0015] Figure 4 It is a local enlarged structure schematic view of B in the utility model. Figure 2 It is a local enlarged structure schematic view of B in the utility model.
[0016] In the drawing: 1, cooling liquid storage tank; 101, liquid inlet; 102, radiator; 103, cooling liquid circulating pump; 2, tooth plate; 201, folding bellows; 202, connecting pipe; 2021, bracket; 203, tooth column; 204, abutment pipe; 205, screw rod; 206, first tooth disc; 2061, tooth ring; 2062, second tooth disc; 2063, knob. DETAILED DESCRIPTION
[0017] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the present utility model.
[0018] Please refer to Figures 1-4 The utility model provides a technical scheme: a refrigeration cooling device of hydrogen fuel cell system, including cooling liquid storage tank 1 and liquid inlet 101, the upside of cooling liquid storage tank 1 is fixed with liquid inlet 101, and the outside of cooling liquid storage tank 1 is installed with radiator 102 and cooling liquid circulating pump 103 in proper order, the inside of liquid inlet 101 is fixed with toothed plate 2, and the inside of liquid inlet 101 is provided with folding bellows 201 and connecting pipe 202, folding bellows 201 is fixed with connecting pipe 202, and the side of folding bellows 201 is fixed with support 2021, and the lower end of support 2021 is fixed with toothed column 203, toothed column 203 is movably connected with butt joint pipe 204 through bearing seat, and butt joint pipe 204 is butt jointed with screw rod 205 in the inside, the lower end of screw rod 205 is fixed with first toothed disc 206, and first toothed disc 206 is movably connected with liquid inlet 101 through bearing seat, first toothed disc 206 is opposite to the inside of toothed ring 2061, and toothed ring 2061 is movably connected with liquid inlet 101 through bearing, the outside of toothed ring 2061 is butt jointed with second toothed disc 2062, and second toothed disc 2062 is movably connected with cooling liquid storage tank 1 through bearing, the upside of second toothed disc 2062 is fixed with knob 2063, and second toothed disc 2062 and first toothed disc 206 are respectively engaged with toothed ring 2061, folding bellows 201 adopts deformable fluoroplastic material, toothed plate 2 is engaged with toothed column 203, and butt joint pipe 204 is screwed with screw rod 205.
[0019] Specific implementation, according to Figures 1-4When the cooling device of the hydrogen fuel cell system is added with the cooling liquid, the box cover of the liquid inlet 101 is opened, the knob 2063 is rotated, the connecting pipe 202 can lift the folded bellows 201 upward, and at the same time, the tooth column 203 can rotate the bracket 2021, so that the bracket 2021 can rotate and expand the upper end of the folded bellows 201 outward, the caliber of one side of the folded bellows 201 is expanded, the cooling liquid can be poured into the inside of the cooling liquid storage tank 1 through the folded bellows 201, the folded bellows 201 is made of fluoroplastic material and has high chemical stability and corrosion resistance, and is resistant to the cooling liquid, so that the folded bellows 201 is not easily affected by the cooling liquid, and the cooling device of the hydrogen fuel cell system is convenient to add the cooling liquid.
[0020] In summary, when the cooling device is added with the cooling liquid, the box cover of the liquid inlet 101 is opened, the knob 2063 is rotated, the connecting pipe 202 can lift the folded bellows 201 upward, and at the same time, the tooth column 203 can rotate the bracket 2021, so that the bracket 2021 can rotate and expand the upper end of the folded bellows 201 outward, the caliber of one side of the folded bellows 201 is expanded, the cooling liquid can be poured into the inside of the cooling liquid storage tank 1 through the folded bellows 201, the folded bellows 201 is made of fluoroplastic material and has high chemical stability and corrosion resistance, and is resistant to the cooling liquid, so that the folded bellows 201 is not easily affected by the cooling liquid, and the cooling device of the hydrogen fuel cell system is convenient to add the cooling liquid, and the contents not described in detail in the description belong to the prior art known to those skilled in the art.
[0021] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A refrigeration cooling device of a hydrogen fuel cell system, comprising a cooling liquid storage tank (1) and a liquid inlet (101), characterized in that: The upper side of the cooling liquid storage tank (1) is fixed with the liquid inlet (101), and the outer side of the cooling liquid storage tank (1) is sequentially installed with a radiator (102) and a cooling liquid circulating pump (103), the inner side of the liquid inlet (101) is fixed with a toothed plate (2), and the inside of the liquid inlet (101) is provided with a folded bellows (201) and a connecting pipe (202), the folded bellows (201) is fixed with the connecting pipe (202), one side of the folded bellows (201) is fixed with a support (2021), and the lower end of the support (2021) is fixed with a toothed column (203).
2. A refrigeration cooling device for a hydrogen fuel cell system according to claim 1, characterized by: The toothed column (203) is movably connected with the butt joint pipe (204) through the bearing seat, and the butt joint pipe (204) is internally butt jointed with the screw rod (205).
3. A refrigeration cooling device for a hydrogen fuel cell system according to claim 2, characterized by: The lower end of the screw rod (205) is fixed with the first toothed disc (206), and the first toothed disc (206) is movably connected with the liquid inlet (101) through the bearing seat.
4. A refrigeration cooling device for a hydrogen fuel cell system according to claim 3, characterized by: The inner side of the first toothed disc (206) is opposite to the toothed ring (2061), and the toothed ring (2061) is movably connected with the liquid inlet (101) through the bearing.
5. A refrigeration cooling device for a hydrogen fuel cell system according to claim 4, characterized by: The outer side of the toothed ring (2061) is butt jointed with the second toothed disc (2062), and the second toothed disc (2062) is movably connected with the cooling liquid storage tank (1) through the bearing.
6. A refrigeration cooling device for a hydrogen fuel cell system according to claim 5, characterized by: The upper side of the second toothed disc (2062) is fixed with the knob (2063), and the second toothed disc (2062) and the first toothed disc (206) are respectively engaged with the toothed ring (2061).