Fuel cell engine cooling device and fuel cell system
Through the design of flange joints and fixtures, the water pump and electronically controlled three-way valve are fixed into one, solving the problems of hose connection aging and torque attenuation in vibration environments, achieving higher integration and service life.
Patent Information
- Application Number
- CN202323282014.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-01
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-01
AI Technical Summary
In the cooling device of the fuel cell engine, the electronically controlled three-way valve and the water pump are connected through a hose. The hose ages under long-term operation and the clamp torque attenuates under a vibrating environment, resulting in unstable connection.
The flange joint and the fixing member are used to fix the water pump and the electrically controlled three-way valve, and seal the connection through the overcurrent channel of the flange joint to avoid the use of hoses and clamps, and improve the stability and sealing of the connection.
It improves the integration and seal reliability of the fuel cell engine cooling device, and extends the service life of water pumps and electronically controlled three-way valves.
Smart Images
Figure CN222190805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fuel cells, in particular to a fuel cell engine cooling device and a fuel cell system. Background Art
[0002] At present, in the cooling device of the fuel cell engine, the electronically controlled three-way valve and the water pump are independent components, and the two are connected by a hose.
[0003] However, the electric three-way valve and the water pump are connected by a hose, which will age after long-term operation, and the connection between the hose, the electric three-way valve and the water pump needs to be fastened with a clamp, which will cause torque attenuation in a vibration environment. Utility Model Content
[0004] The primary purpose of the utility model is to provide a fuel cell engine cooling device to ensure the stability of the connection between the electronically controlled three-way valve and the water pump.
[0005] Another object of the utility model is to provide a fuel cell system using the above fuel cell engine cooling device.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0007] A fuel cell engine cooling device comprises a water pump, a flange joint, an electrically controlled three-way valve, a first fixing part, and a second fixing part, wherein the flange joint is provided with a flow passage, the water pump is fixedly connected to one side of the flange joint via the first fixing part, and the output end of the water pump is sealedly connected to one end of the flow passage of the flange joint, the electrically controlled three-way valve is fixedly connected to the other side of the flange joint via the second fixing part, and the input end of the electrically controlled three-way valve is sealedly connected to the other end of the flow passage of the flange joint.
[0008] Preferably, an output pipe is provided at the output end of the water pump, a connecting pipe is provided on the side of the flange joint close to the water pump, and the connecting pipe is communicated with one end of the flow channel, a first sealing ring is sleeved on the outer side of the connecting pipe, the connecting pipe is inserted into the output pipe, and the connecting pipe and the output pipe are sealed and connected via the first sealing ring.
[0009] Preferably, an abutment step for abutting against an end of the connecting pipe is provided on the inner side of the output pipe.
[0010] Preferably, the connecting pipe and the flange joint are integrally formed and fixed.
[0011] Preferably, a sealing groove is provided on one side of the flange joint close to the electrically controlled three-way valve, the flow passage is located in the middle of the sealing groove, a second sealing ring is provided in the sealing groove, and the flange joint and the electrically controlled three-way valve are sealed and connected via the second sealing ring.
[0012] Preferably, the first fixing member is a first fixing bolt, and a plurality of first fixing bolts are provided. The plurality of first fixing bolts penetrate the flange joint from a side of the flange joint away from the water pump and are threadedly connected to the water pump.
[0013] Preferably, the second fixing member is a second fixing bolt, and a plurality of the second fixing bolts are provided. The plurality of second fixing bolts penetrate the flange joint from a side of the flange joint away from the electric-controlled three-way valve and are threadedly connected to the electric-controlled three-way valve.
[0014] Preferably, the plurality of first fixing bolts and the plurality of second fixing bolts are staggered.
[0015] Preferably, a water supply joint is provided on the outer side of the flange joint, and the water supply joint is communicated with the interior of the flow channel.
[0016] The utility model also relates to a fuel cell system, comprising the fuel cell engine cooling device.
[0017] Compared with the prior art, the fuel cell engine cooling device of the utility model has the following beneficial effects:
[0018] In the utility model, the water pump is fixedly connected to one side of the flange joint through the first fixing piece, and the output end of the water pump is sealedly connected to one end of the flow channel of the flange joint, and the electrically controlled three-way valve is fixedly connected to the other side of the flange joint through the second fixing piece, and the input end of the electrically controlled three-way valve is sealedly connected to the other end of the flow channel of the flange joint, so that the water pump, the flange joint and the electrically controlled three-way valve can be fixed into one, and the water pump and the electrically controlled three-way valve do not need to be connected through a hose and a clamp. Therefore, the integration of the fuel cell engine cooling device is high, and the sealing of the water pump and the electrically controlled three-way valve is more reliable and the service life is longer. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional diagram of the overall structure of an embodiment of the utility model;
[0020] Figure 2 It is an exploded view of the overall structure of an embodiment of the utility model;
[0021] Figure 3 It is a three-dimensional diagram of a flange joint of an embodiment of the utility model from one viewing angle;
[0022] Figure 4 It is a stereoscopic view of the flange joint of the embodiment of the utility model from another perspective.
[0023] In the figure, 1, water pump; 11, output pipe; 12, abutment step; 2, flange joint; 21, flow channel; 22, connecting pipe; 23, sealing groove; 24, water supply joint; 3, electric three-way valve; 4, first fixing part; 5, second fixing part. DETAILED DESCRIPTION
[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0025] In the description of the present utility model, it should be understood that the wording "comprising" used in the present utility model specification refers to the presence of the features, integers, steps, operations, parts / components and / or assemblies, but does not exclude the presence or addition of one or more other features, integers, steps, operations, parts / components, assemblies and / or their groups. It should be understood that when we say that a part / component is "connected" to another part / component, it can be directly connected to the other part / component, or there can be intermediate parts / components. The wording "and / or" used here includes all or any unit and all combinations of one or more associated listed items.
[0026] like Figures 1 to 4 As shown, the utility model relates to a fuel cell engine cooling device, including a water pump 1, a flange joint 2, an electrically controlled three-way valve 3, a first fixing member 4, and a second fixing member 5, the flange joint 2 is provided with a flow passage 21, the water pump 1 is fixedly connected to one side of the flange joint 2 through the first fixing member 4, and the output end of the water pump 1 is sealedly connected to one end of the flow passage 21 of the flange joint 2, the electrically controlled three-way valve 3 is fixedly connected to the other side of the flange joint 2 through the second fixing member 5, and the input end of the electrically controlled three-way valve 3 is sealedly connected to the other end of the flow passage 21 of the flange joint 2.
[0027] In the utility model, the water pump 1 is fixedly connected to one side of the flange joint 2 through the first fixing member 4, and the output end of the water pump 1 is sealedly connected to one end of the flow channel 21 of the flange joint 2, and the electric-controlled three-way valve 3 is fixedly connected to the other side of the flange joint 2 through the second fixing member 5, and the input end of the electric-controlled three-way valve 3 is sealedly connected to the other end of the flow channel 21 of the flange joint 2, so that the water pump 1, the flange joint 2 and the electric-controlled three-way valve 3 can be fixed into one, and the water pump 1 and the electric-controlled three-way valve 3 do not need to be connected through a hose and a clamp. Therefore, the integration of the fuel cell engine cooling device is high, and the sealing of the water pump 1 and the electric-controlled three-way valve 3 is more reliable and has a longer service life.
[0028] In this embodiment, an output pipe 11 is provided at the output end of the water pump 1, a connecting pipe 22 is provided on the side of the flange joint 2 close to the water pump 1, and the connecting pipe 22 is communicated with one end of the flow channel 21, a first sealing ring is sleeved on the outer side of the connecting pipe 22, the connecting pipe 22 is penetrated in the output pipe 11, and the connecting pipe 22 and the output pipe 11 are sealed and connected through the first sealing ring.
[0029] A first sealing ring is provided on the outer sleeve of the connecting pipe 22 of the flange joint 2, and the connecting pipe 22 is plugged into the output pipe 11 of the water pump 1, so as to be sealed and connected with the output pipe 11, that is, the flange joint 2 and the water pump 1 are radially sealed to ensure the sealing of the flow channel 21 between the water pump 1 and the flange joint 2.
[0030] Preferably, an abutment step 12 for abutting against the end of the connecting tube 22 is provided on the inner side of the output tube 11, so that after the connecting tube 22 penetrates into the output tube 11 to a preset depth, the end of the connecting tube 22 abuts against the abutment step 12, thereby limiting the connecting tube 22 from further penetrating into the output tube 11.
[0031] In this embodiment, the connecting pipe 22 and the flange joint 2 are integrally formed and fixed, so that the connection between the flange joint 2 and the connecting pipe 22 is more stable, which is also conducive to ensuring the stability of the connection between the flange joint 2 and the water pump 1.
[0032] In this embodiment, a sealing groove 23 is provided on one side of the flange joint 2 close to the electric-controlled three-way valve 3, the flow passage 21 is located in the middle of the sealing groove 23, a second sealing ring is provided in the sealing groove 23, and the flange joint 2 and the electric-controlled three-way valve 3 are sealed and connected via the second sealing ring.
[0033] By providing a second sealing ring in the sealing groove 23 of the flange joint 2, after the electric-controlled three-way valve 3 is connected to the flange joint 2, the electric-controlled three-way valve 3 and the flange joint 2 are axially sealed to ensure the sealing of the input end of the electric-controlled three-way valve 3 and the flow channel 21 of the flange joint 2.
[0034] In this embodiment, the first fixing member 4 is a first fixing bolt, and a plurality of first fixing bolts are provided. The plurality of first fixing bolts penetrate the flange joint 2 from a side of the flange joint 2 away from the water pump 1 and are threadedly connected to the water pump 1 .
[0035] By tightening the first fixing bolt, the water pump 1 and the flange joint 2 can be pulled closer to each other and pressed together, thereby ensuring the stability and sealing of the connection between the two.
[0036] Preferably, the second fixing member 5 is a second fixing bolt, and a plurality of the second fixing bolts are provided. The plurality of second fixing bolts penetrate the flange joint 2 from a side of the flange joint 2 away from the electric-controlled three-way valve 3 and are threadedly connected to the electric-controlled three-way valve 3 .
[0037] By tightening the second fixing bolt, the electric-controlled three-way valve 3 and the flange joint 2 can be pulled closer to each other and pressed together, thereby ensuring the stability and sealing of the connection between the two.
[0038] Furthermore, the plurality of the first fixing bolts and the plurality of the second fixing bolts are staggered so that the first fixing bolts and the second fixing bolts do not interfere with each other, thereby ensuring that the water pump 1, the flange joint 2 and the electric-controlled three-way valve 3 can be firmly connected together.
[0039] In this embodiment, a water supply joint 24 is provided on the outer side of the flange joint 2, and the water supply joint 24 is connected to the inside of the flow channel 21, so that it can be connected to an external water supply pipe through the water supply joint 24, so that the fuel cell engine cooling device can have a water supply function.
[0040] The utility model also relates to a fuel cell system, comprising the fuel cell engine cooling device.
[0041] The fuel cell system can increase the service life by adopting the fuel cell engine cooling device.
[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A fuel cell engine cooling device, characterized in that: It includes a water pump, a flange joint, an electrically controlled three-way valve, a first fixing piece, and a second fixing piece. The flange joint is provided with a flow passage. The water pump is fixedly connected to one side of the flange joint through the first fixing piece, and the output end of the water pump is sealedly connected to one end of the flow passage of the flange joint. The electrically controlled three-way valve is fixedly connected to the other side of the flange joint through the second fixing piece, and the input end of the electrically controlled three-way valve is sealedly connected to the other end of the flow passage of the flange joint.
2. The fuel cell engine cooling device according to claim 1, characterized in that: An output pipe is provided at the output end of the water pump, a connecting pipe is provided on a side of the flange joint close to the water pump, and the connecting pipe is communicated with one end of the flow channel, a first sealing ring is sleeved on the outer side of the connecting pipe, the connecting pipe is inserted into the output pipe, and the connecting pipe and the output pipe are sealed and connected via the first sealing ring.
3. The fuel cell engine cooling device according to claim 2, characterized in that: An abutting step for abutting against the end of the connecting pipe is provided on the inner side of the output pipe.
4. The fuel cell engine cooling device according to claim 2, characterized in that: The connecting pipe and the flange joint are integrally formed and fixed.
5. The fuel cell engine cooling device according to claim 1, characterized in that: A sealing groove is provided on one side of the flange joint close to the electric-controlled three-way valve, the flow passage is located in the middle of the sealing groove, a second sealing ring is provided in the sealing groove, and the flange joint and the electric-controlled three-way valve are sealed and connected via the second sealing ring.
6. The fuel cell engine cooling device according to claim 1, characterized in that: The first fixing member is a first fixing bolt, and a plurality of the first fixing bolts are provided. The plurality of first fixing bolts penetrate the flange joint from a side of the flange joint away from the water pump and are threadedly connected to the water pump.
7. The fuel cell engine cooling device according to claim 6, characterized in that: The second fixing member is a second fixing bolt, and a plurality of the second fixing bolts are provided. The plurality of second fixing bolts penetrate the flange joint from a side of the flange joint away from the electric-controlled three-way valve and are threadedly connected to the electric-controlled three-way valve.
8. The fuel cell engine cooling device according to claim 7, characterized in that: The plurality of first fixing bolts and the plurality of second fixing bolts are staggered.
9. The fuel cell engine cooling device according to claim 1, characterized in that: A water supply joint is provided on the outer side of the flange joint, and the water supply joint is communicated with the inside of the flow channel.
10. A fuel cell system, characterized in that: A fuel cell engine cooling device comprising the cooling device of any one of claims 1-9.