CN215065121U - Device for testing waterway seal life of hydrogen fuel cell - Google Patents
Device for testing waterway seal life of hydrogen fuel cell Download PDFInfo
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- CN215065121U CN215065121U CN202121660954.7U CN202121660954U CN215065121U CN 215065121 U CN215065121 U CN 215065121U CN 202121660954 U CN202121660954 U CN 202121660954U CN 215065121 U CN215065121 U CN 215065121U
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Abstract
The utility model provides a testing device for accelerating the waterway seal life of a hydrogen fuel cell, which comprises a workbench, and a water tank assembly component, a pile feeding component, a pile discharging component and a pile fixture which are respectively arranged on the workbench; a battery electric pile is arranged on the electric pile jig; the inlet end of the pile feeding component is communicated with the water tank assembly component, and the outlet end of the pile feeding component is communicated with the waterway inlet end of the cell stack; the inlet end of the pile outlet component is communicated with the waterway outlet end of the cell stack, and the outlet end of the pile outlet component is communicated with the water tank assembly component. Through the second temperature sensor and the flow meter arranged on the pile feeding assembly, the water flow and the water temperature entering the cell pile can be accurately controlled. Through the second pressure gauge arranged on the feeding pile assembly and the third pressure gauge arranged on the discharging pile assembly, a worker can intuitively and accurately judge the waterway seal life of the cell stack through the real-time difference of the readings of the second pressure gauge and the reading of the discharging pile assembly.
Description
Technical Field
The utility model relates to a fuel cell technical field especially relates to an accelerate hydrogen fuel cell water route seal life-span testing arrangement.
Background
A hydrogen fuel cell is a device that generates electrical energy by a chemical reaction of hydrogen and oxygen. The hydrogen fuel reacts with the oxygen to generate pure water, so that the hydrogen fuel cell is green, environment-friendly and pollution-free, and is widely applied to various industries. The hydrogen fuel cell is internally provided with a water path, an oxygen path and a hydrogen path, wherein the service life of the water path is closely related to that of the fuel cell.
At present, a waterway seal service life testing device for a hydrogen fuel cell on the market is complex in structure, high in operation difficulty and inaccurate in testing result.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides an accelerate hydrogen fuel cell water route seal life-span testing arrangement aims at solving hydrogen fuel cell water route seal life-span testing arrangement on the market complicated, the operation degree of difficulty is big, the unsafe problem of test result.
In order to achieve the above object, the utility model provides a following technical scheme:
a testing device for accelerating the waterway seal life of a hydrogen fuel cell comprises a workbench, and a water tank assembly component, a pile feeding component, a pile discharging component and a galvanic pile jig which are respectively arranged on the workbench; a battery electric pile is arranged on the electric pile jig; the inlet end of the pile feeding component is communicated with the water tank assembly component, and the outlet end of the pile feeding component is communicated with the waterway inlet end of the cell stack; the inlet end of the pile outlet component is communicated with the waterway outlet end of the cell stack, and the outlet end of the pile outlet component is communicated with the water tank assembly component.
In this application, the water that the test process used is followed water tank assembly subassembly flows out, passes through in proper order advance the heap subassembly the battery galvanic pile with it is after piling the subassembly to go out, the backward flow forms hydrologic cycle in the water tank assembly subassembly.
Furthermore, the water tank assembly component comprises a water tank, a water supply component, an exhaust pipe, a plurality of heating rods, an over-temperature alarm device, a first temperature sensor, a liquid level pipe and a drainage component; a first water outlet, a second water outlet and a first water inlet are formed in the wall of the water tank; a third water outlet is formed in the bottom of the water tank; the water supply assembly and the exhaust pipe are both arranged at the top of the water tank; the heating end of the heating rod is arranged in the water tank, and the control end of the heating rod extends out of the wall of the water tank; the overtemperature alarm device, the first temperature sensor and the liquid level pipe are all arranged on the side wall of the water tank; the second water outlet is communicated with the inlet end of the stacking assembly; the first water inlet is communicated with the outlet end of the pile discharging assembly.
Further, the drainage assembly comprises a first branch, a second branch and a three-way joint; one end of the first branch is communicated with the first water outlet, and the other end of the first branch is communicated with a first interface of the three-way joint; one end of the second branch is communicated with the third water outlet, and the other end of the second branch is communicated with a second interface of the three-way joint; a third interface of the three-way joint is connected with the external environment; and valves are arranged on the first branch and the second branch.
In this application, the first delivery port is close to the top setting of water tank, and the third delivery port setting is in the bottom of water tank, so set up to be favorable to the drainage subassembly carries out the drainage. When the liquid level in the water tank is higher than the height of the first water outlet, in order to avoid water flow splashing caused by overlarge water pressure, the water can be discharged by utilizing the first branch of the water discharging assembly, and at the moment, the second branch of the water discharging assembly is closed; when the liquid level in the water tank is lower than the height of the first water outlet, the water can be discharged by utilizing the second branch of the water discharging assembly.
Further, the water feeding assembly comprises a first pressure gauge, a first hand valve and a filter which are sequentially communicated; one end of the first pressure gauge, which is far away from the first hand valve, is connected with an external water source; one end of the filter, which is far away from the first hand valve, is communicated with the water tank. First manometer can detect the pressure at external water source, the impurity that contains in the external water source can be filtered effectively to the filter, avoids influencing test effect.
Further, the pile feeding assembly comprises a second hand valve, a water pump, a third hand valve, a second pressure gauge and a flowmeter which are sequentially communicated; one end of the second hand valve, which is far away from the water pump, is communicated with the second water outlet; one end of the flow meter, which is far away from the second pressure gauge, is communicated with the waterway inlet end of the cell stack; the water pump is arranged on the workbench; a pressure sensor for detecting water pressure is arranged between the third hand valve and the second pressure gauge; and a second temperature sensor is also arranged between the flowmeter and the waterway inlet end of the cell stack.
Further, the stack discharging assembly comprises a four-way joint, a third pressure gauge and a third temperature sensor; the first interface of the four-way joint is communicated with the waterway outlet end of the cell stack; the second interface of the four-way joint is connected with the third temperature sensor; the third interface of the four-way joint is communicated with the first water inlet; and a fourth interface of the four-way joint is connected with the third pressure gauge.
Further, the pile jig comprises a bracket and a plurality of fixing plates; one end of the fixing plate is connected with the bracket, and the other end of the fixing plate is connected with the battery pile; the fixing plates correspond to the corners of the battery electric piles one by one, so that the battery electric piles can be stably installed on the electric pile jig, and unnecessary shaking or vibration in the test process is avoided.
In the application, two ends of the liquid level pipe are both communicated with the water tank, one end of the liquid level pipe is arranged close to the top of the water tank, and the other end of the liquid level pipe is arranged close to the bottom of the water tank, so that the liquid level height in the water tank can be displayed through the liquid level height in the liquid level pipe; the liquid level pipe is the pipeline that transparent material made, can be transparent plastic tubing or transparent glass pipe for operating personnel can direct observation the intraductal liquid level height of liquid level, thereby judges liquid level height in the water tank.
In the application, the heating rod comprises three heating rods which work independently, and can be switched on or switched off according to actual needs. When the water tank needs to be rapidly heated, three heating rods can be started at the same time so as to improve the heating rate of the water tank; when the water tank is in a heat preservation state, only one heating rod can be started. In the process of heating up or heat preservation of the water tank, the overtemperature alarm device acquires the temperature of the water tank in real time through the first temperature sensor, when the temperature exceeds a preset value, the overtemperature alarm device can give an alarm to remind a worker, and the situation that the test result is influenced or other safety problems occur due to overhigh temperature of the water tank is avoided.
In this application, the blast pipe will all the time the water tank communicates with external environment, can play fine exhaust effect.
In this application, the water tank is the water tank that has good thermal-insulated function, can reduce ambient temperature to the influence of test effect.
In this application, all communicate through pipeline and joint between participating in each part of water route circulation, and the pipeline can be hose or rigid pipe, chooses for use according to actual need.
The utility model provides an accelerate hydrogen fuel cell water route seal life-span testing arrangement, through the first temperature sensor and the over-temperature alarm device who set up on the water tank, can guarantee that the water tank remains throughout at appropriate temperature for the inside water of water tank can satisfy the test requirement. Through the second temperature sensor and the flow meter arranged on the pile feeding assembly, the water flow and the water temperature entering the cell pile can be accurately controlled. Through the second pressure gauge arranged on the feeding pile assembly and the third pressure gauge arranged on the discharging pile assembly, a worker can intuitively and accurately judge the waterway seal life of the cell stack through the real-time difference of the readings of the second pressure gauge and the reading of the discharging pile assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a three-dimensional structure diagram of a device for testing the accelerated life of a waterway seal of a hydrogen fuel cell according to an embodiment of the present invention;
FIG. 2 is a perspective view of the water tank assembly of FIG. 1;
FIG. 3 is a perspective view of the stacker assembly of FIG. 1;
fig. 4 is a perspective view of the stack assembly of fig. 1.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
At present, a waterway seal service life testing device for a hydrogen fuel cell on the market is complex in structure, high in operation difficulty and inaccurate in testing result. In order to solve the technical problem, the utility model provides an accelerate hydrogen fuel cell water route seal life-span testing arrangement.
As shown in fig. 1, the device for testing the accelerated life of the waterway seal of the hydrogen fuel cell provided in the embodiment of the present invention comprises a workbench 1, and a water tank assembly component 2, a pile feeding component 3, a pile discharging component 4 and a pile fixture 5 which are respectively arranged on the workbench 1; the electric pile jig 5 is provided with a battery electric pile 6; the inlet end of the pile feeding component 3 is communicated with the water tank assembly component 2, and the outlet end of the pile feeding component 3 is communicated with the waterway inlet end of the cell stack 6; the inlet end of the pile outlet component 4 is communicated with the waterway outlet end of the cell stack 6, and the outlet end of the pile outlet component 4 is communicated with the water tank assembly component 2.
In the embodiment of the application, water used in the test process flows out of the water tank assembly component 2, sequentially passes through the pile feeding component 3, the cell stack 6 and the pile discharging component 4, and then flows back into the water tank assembly component 2 to form water circulation.
Referring to fig. 2, in the embodiment of the present application, the water tank assembly component 2 includes a water tank 21, a water supply component 22, an exhaust pipe 23, a plurality of heating rods 24, an over-temperature alarm device 25, a first temperature sensor 26, a liquid level pipe 27, and a drain component 28; a first water outlet 211, a second water outlet 212 and a first water inlet 213 are arranged on the wall of the water tank 21; a third water outlet (not marked in the figure) is arranged at the bottom of the water tank; the water supply assembly 22 and the exhaust pipe 23 are both arranged at the top of the water tank 21; the heating end of the heating rod 24 is arranged inside the water tank 21, and the control end of the heating rod 24 extends outwards out of the wall of the water tank 21; the over-temperature alarm device 25, the first temperature sensor 26 and the liquid level pipe 27 are all arranged on the side wall of the water tank 21; the second water outlet 212 is communicated with the inlet end of the stacking assembly 3; the first water inlet 211 communicates with the outlet end of the reactor 4.
The drain assembly 28 includes a first leg 281, a second leg 282, and a tee fitting 283; one end of the first branch 282 is communicated with the first water outlet 211, and the other end is communicated with the first port of the three-way joint 283; one end of the second branch 282 is communicated with the third water outlet, and the other end is communicated with the second port of the three-way joint 282; the third interface of the three-way joint 282 is connected with the external environment; the first branch 281 and the second branch 282 are both provided with valves 284.
In the embodiment of the present application, the first water outlet 211 is disposed near the top of the water tank 21, and the third water outlet is disposed at the bottom of the water tank 21, so as to facilitate the drainage of the drainage assembly 28. When the liquid level in the water tank 21 is higher than the first water outlet 211, in order to avoid splashing of water caused by excessive water pressure, the first branch 281 of the drainage assembly 28 may be used for drainage, and the second branch 282 of the drainage assembly 28 is closed; when the liquid level in the water tank 21 is lower than the height of the first water outlet 211, the water can be discharged by using the second branch 282 of the water discharge assembly 28.
The water delivery assembly 22 comprises a first pressure gauge 221, a first hand valve 222 and a filter 223 which are communicated in sequence; one end of the first pressure gauge 221, which is far away from the first hand valve 222, is connected with an external water source; an end of the filter 223 remote from the first hand valve 222 communicates with the water tank 21. The first pressure gauge 221 can detect the pressure of an external water source, and the filter 223 can effectively filter out magazines contained in the external water source, so that the test effect is prevented from being influenced.
Referring to fig. 3, in the embodiment of the present application, the stacking assembly 3 includes a second hand valve 31, a water pump 32, a third hand valve 33, a second pressure gauge 34 and a flow meter 35, which are sequentially communicated; the end, away from the water pump 32, of the second hand valve 31 is communicated with the second water outlet 212; one end of the flow meter 35, which is far away from the second pressure gauge 34, is communicated with the waterway inlet end of the cell stack 6; the water pump 32 is arranged on the workbench 1; a pressure sensor 36 for detecting water pressure is further arranged between the third hand valve 33 and the second pressure gauge 34; a second temperature sensor 37 is also arranged between the flowmeter 35 and the water path inlet end of the cell stack 6.
Referring to fig. 4, in the embodiment of the present application, the stack discharge assembly 4 includes a four-way joint 41, a third pressure gauge 42, and a third temperature sensor 43; a first interface of the four-way joint 41 is communicated with a waterway outlet end of the cell stack 6; the second interface of the four-way joint 41 is connected with the third temperature sensor 43; the third interface of the four-way joint 41 is communicated with the first water inlet 213; and a fourth interface of the four-way joint 41 is connected with the third pressure gauge 42.
Referring again to fig. 1, in the present embodiment, the stack jig 5 includes a bracket 51 and a plurality of fixing plates 52; one end of the fixing plate 52 is connected with the bracket 51, and the other end is connected with the battery pile 6; the fixing plates 51 correspond to the corners of the cell stacks 6 one by one, so that the cell stacks 6 can be stably installed on the stack jig 5, and unnecessary shaking or vibration in the test process is avoided.
The device for testing the waterway seal life of the hydrogen fuel cell, which is provided by the application embodiment, has the working principle that:
firstly, an external water source is connected through the water supply assembly 22, water is filled into the water tank 21, and the water injection amount can be determined according to actual needs; then, the heating rod 24 is opened to heat the water to 50 ℃, a water pump 32 on the pile feeding assembly 3 is started to transmit the water from the water tank 21 to the inlet end of the water channel of the cell stack 6, the flow of the water is controlled to be 0-50L/min, and the water pressure is 200 KPa; after flowing through the cell stack 6, the water flows out from the outlet end of the waterway to reach the stack outlet assembly and finally flows back to the water tank 21; by controlling the preset test time and observing the readings of the second pressure gauge 34 on the pile entering assembly 3 and the third pressure gauge 42 on the pile exiting assembly 4 in real time, when the difference between the readings exceeds a certain range, the service life of the waterway of the cell stack 6 is up, the test is stopped, and the water in the water tank 21 is discharged through the water discharging assembly 28. In the test process, when obvious water leakage around the battery electric pile 6 is observed, the waterway of the battery electric pile 6 can be judged to reach the service life, and the test is finished.
In the embodiment of the present application, both ends of the liquid level pipe 27 are communicated with the water tank 21, and one end of the liquid level pipe 27 is disposed near the top of the water tank 21, and the other end is disposed near the bottom of the water tank 21, so that the liquid level height in the water tank 21 can be displayed through the liquid level height in the liquid level pipe 27; the liquid level pipe 27 is a pipe made of transparent material, and can be a transparent plastic pipe or a transparent glass pipe, so that an operator can directly observe the liquid level height in the liquid level pipe 27, and the liquid level height in the water tank 21 can be judged.
In the embodiment of the present application, the heating rod 24 includes three heating rods working independently, and can be turned on or off according to actual needs. When the water tank 21 needs to be rapidly heated, the three heating rods 24 can be started at the same time to increase the heating rate of the water tank 21; when the water tank 21 is in a heat-preservation state, only one of the heating rods 24 may be turned on. In the process of heating up or heat preservation of the water tank 21, the overtemperature alarm device 25 acquires the temperature of the water tank 21 in real time through the first temperature sensor 26, when the temperature exceeds a preset value, the overtemperature alarm device 25 gives an alarm to remind a worker, and the problem that the test result is influenced or other safety problems occur due to overhigh temperature of the water tank 21 is avoided. The precision requirement of the over-temperature alarm device 25 reaches +/-2 ℃, and the over-temperature alarm device has the functions of inquiring temperature records and setting running time.
In the embodiment of the present application, the exhaust pipe 23 always communicates the water tank 21 with the external environment, so as to achieve a good exhaust effect.
In the embodiment of the present application, the water tank 21 is a water tank with a good heat insulation function, and the influence of the ambient temperature on the test effect can be reduced.
In this application embodiment, all communicate through pipeline and joint between each part of participating in the waterway circulation, and the pipeline can be hose or rigid pipe, chooses for use according to actual need.
The embodiment of the utility model provides an accelerate hydrogen fuel cell water route seal life-span testing arrangement, through the first temperature sensor 26 and the over-temperature alarm device 25 that set up on water tank 21, can guarantee that water tank 21 remains throughout at appropriate temperature for the inside water of water tank 21 can satisfy the test requirement. The water flow and temperature into the cell stack can be accurately controlled by the second temperature sensor 37 and the flow meter 35 provided on the inlet stack assembly 3. Through the second pressure gauge 34 arranged on the stack inlet assembly 3 and the third pressure gauge 42 arranged on the stack outlet assembly 4, a worker can intuitively and accurately judge the waterway seal life of the cell stack through the real-time difference of the readings of the second pressure gauge and the third pressure gauge.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (7)
1. A testing device for accelerating the waterway seal life of a hydrogen fuel cell is characterized by comprising a workbench, and a water tank assembly component, a pile feeding component, a pile discharging component and a pile jig which are respectively arranged on the workbench; a battery electric pile is arranged on the electric pile jig; the inlet end of the pile feeding component is communicated with the water tank assembly component, and the outlet end of the pile feeding component is communicated with the waterway inlet end of the cell stack; the inlet end of the pile outlet component is communicated with the waterway outlet end of the cell stack, and the outlet end of the pile outlet component is communicated with the water tank assembly component.
2. The device for testing the waterway seal life of the hydrogen fuel cell according to claim 1, wherein the water tank assembly component comprises a water tank, a water supply component, an exhaust pipe, a plurality of heating rods, an overtemperature alarm device, a first temperature sensor, a liquid level pipe and a drainage component; a first water outlet, a second water outlet and a first water inlet are formed in the wall of the water tank; a third water outlet is formed in the bottom of the water tank; the water supply assembly and the exhaust pipe are both arranged at the top of the water tank; the heating end of the heating rod is arranged in the water tank, and the control end of the heating rod extends out of the wall of the water tank; the overtemperature alarm device, the first temperature sensor and the liquid level pipe are all arranged on the side wall of the water tank; the second water outlet is communicated with the inlet end of the stacking assembly; the first water inlet is communicated with the outlet end of the pile discharging assembly.
3. The device for testing the accelerated life of the waterway seal of the hydrogen fuel cell of claim 2, wherein the drainage assembly comprises a first branch, a second branch and a tee joint; one end of the first branch is communicated with the first water outlet, and the other end of the first branch is communicated with a first interface of the three-way joint; one end of the second branch is communicated with the third water outlet, and the other end of the second branch is communicated with a second interface of the three-way joint; a third interface of the three-way joint is connected with the external environment; and valves are arranged on the first branch and the second branch.
4. The device for testing the waterway seal life of the hydrogen fuel cell according to claim 2, wherein the water delivery assembly comprises a first pressure gauge, a first hand valve and a filter which are sequentially communicated; one end of the first pressure gauge, which is far away from the first hand valve, is connected with an external water source; one end of the filter, which is far away from the first hand valve, is communicated with the water tank.
5. The device for testing the waterway seal life of the hydrogen fuel cell of claim 2, wherein the pile feeding assembly comprises a second hand valve, a water pump, a third hand valve, a second pressure gauge and a flowmeter which are sequentially communicated; one end of the second hand valve, which is far away from the water pump, is communicated with the second water outlet; one end of the flow meter, which is far away from the second pressure gauge, is communicated with the waterway inlet end of the cell stack; the water pump is arranged on the workbench; a pressure sensor for detecting water pressure is arranged between the third hand valve and the second pressure gauge; and a second temperature sensor is also arranged between the flowmeter and the waterway inlet end of the cell stack.
6. The device for testing the accelerated life of the waterway seal of the hydrogen fuel cell of claim 2, wherein the stack outlet assembly comprises a four-way joint, a third pressure gauge and a third temperature sensor; the first interface of the four-way joint is communicated with the waterway outlet end of the cell stack; the second interface of the four-way joint is connected with the third temperature sensor; the third interface of the four-way joint is communicated with the first water inlet; and a fourth interface of the four-way joint is connected with the third pressure gauge.
7. The device for testing the waterway seal life of the hydrogen fuel cell of claim 1, wherein the stack jig comprises a bracket and a plurality of fixing plates; one end of the fixing plate is connected with the bracket, and the other end of the fixing plate is connected with the battery pile; the fixing plates correspond to the corners of the battery electric pile one by one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121660954.7U CN215065121U (en) | 2021-07-21 | 2021-07-21 | Device for testing waterway seal life of hydrogen fuel cell |
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| CN202121660954.7U CN215065121U (en) | 2021-07-21 | 2021-07-21 | Device for testing waterway seal life of hydrogen fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420983A (en) * | 2022-03-31 | 2022-04-29 | 北京英博新能源有限公司 | Method, device and system for evaluating health of fuel cell stack and electronic equipment |
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2021
- 2021-07-21 CN CN202121660954.7U patent/CN215065121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114420983A (en) * | 2022-03-31 | 2022-04-29 | 北京英博新能源有限公司 | Method, device and system for evaluating health of fuel cell stack and electronic equipment |
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