CN219223817U - Safety monitoring device for fuel cell engine test bed - Google Patents
Safety monitoring device for fuel cell engine test bed Download PDFInfo
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- CN219223817U CN219223817U CN202320309054.0U CN202320309054U CN219223817U CN 219223817 U CN219223817 U CN 219223817U CN 202320309054 U CN202320309054 U CN 202320309054U CN 219223817 U CN219223817 U CN 219223817U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model relates to the technical field of safety monitoring devices for fuel cell engine test benches, and discloses a safety monitoring device for a fuel cell engine test bench, which comprises a main body mechanism, an online detection mechanism and a safety detection mechanism, wherein the online detection mechanism is positioned at the right end of the upper end of the main body mechanism, the safety detection mechanism is positioned at the upper end of the main body mechanism, and the main body mechanism comprises a test bench body and a control terminal. This a safety monitoring device for fuel cell engine test bench through installing on-line detection mechanism and safety detection mechanism, has realized that this test bench body can be when carrying out test work to fuel cell engine, carries out hydrogen supply and detects, on-line environment detects, stage electric safety detects and cooling water safety detects to guarantee engine test safety normal operating, improved this a safety monitoring device's for fuel cell engine test bench practicality and security.
Description
Technical Field
The utility model relates to the technical field of safety monitoring devices for fuel cell engine test benches, in particular to a safety monitoring device for a fuel cell engine test bench.
Background
The fuel cell engine is used as an important technical direction of a new energy automobile, has the characteristics of no mechanical loss in the reaction process, high energy conversion rate, stable operation and low noise, and only uses electricity, heat and water as products, and is widely regarded as an optimal power source in the aspect of new energy traffic power application.
The fuel cell engine is used as a heart of an automobile, and the performance of the engine directly influences the power performance of the automobile, so that the fuel cell engine is usually subjected to performance test before leaving the factory to ensure the reliability of the performance and quality of the engine.
But traditional safety monitoring device for fuel cell engine test bench is generally inconvenient to detect hydrogen supply condition, online environment, bench electrical safety and cooling water safety of fuel cell engine simultaneously in the process of testing fuel cell engine, and traditional test of fuel cell engine needs to be transferred above a plurality of test equipment for detection, and practicality and test effect are relatively poor.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a safety monitoring device for a fuel cell engine test bed, which aims to solve the problems that the conventional safety monitoring device for the fuel cell engine test bed is inconvenient to detect the hydrogen supply condition, the online environment, the electrical safety of the bed and the safety of cooling water of a fuel cell engine in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safety monitoring device for fuel cell engine test bench, includes main part mechanism, on-line detection mechanism and safety detection mechanism, on-line detection mechanism is located the right-hand member of main part mechanism upper end, safety detection mechanism is located the upper end of main part mechanism, main part mechanism includes test bench body, control terminal, cooling water and places case, fixed plate and spacing subassembly, control terminal fixed mounting is in the middle part of test bench body upper end front end, cooling water places case fixed mounting in the middle part of test bench body upper end, fixed plate fixed mounting is in the left and right sides both ends of cooling water placement case upper end, spacing subassembly fixed mounting is at the inner of fixed plate, on-line detection mechanism includes hydrogen supply tank, air duct, hydrogen supply detection subassembly, pumping type hydrogen concentration sensor, universal gas collecting hood, compound flame detector, on-line environment temperature measuring instrument and ambient noise detector, hydrogen supply tank fixed mounting is in the middle part of test bench body upper end left end.
Preferably, the air duct is fixedly installed at the left end of the hydrogen supply box, the hydrogen supply detection component is fixedly installed at the left end of the inside of the hydrogen supply box, the hydrogen supply detection component is electrically connected with the control terminal, the pumping type hydrogen concentration sensors are fixedly installed at the upper end and the lower end of the test bench body, the pumping type hydrogen concentration sensors are uniformly distributed at the upper end and the lower end of the test bench body, the pumping type hydrogen concentration sensors are electrically connected with the control terminal, the universal gas collecting cover is fixedly installed at the outer end of the pumping type hydrogen concentration sensors, the hydrogen supply box is a main gas supply source of an engine, and problems occur at the hydrogen supply inlet end of the hydrogen supply box in order to avoid gas shortage of a galvanic pile, so that the hydrogen supply detection component is added at the front end, and comprises a mass flowmeter, a temperature sensor and a pressure sensor, and the pumping type hydrogen concentration sensors are designed to ensure that no leakage occurs in the test.
Preferably, the compound flame detector is fixedly arranged at the upper end of the test stand body, the compound flame detector is positioned at the opposite angle of the upper end of the test stand body, the compound flame detector is electrically connected with the control terminal, and the design of the compound flame detector is convenient for detecting the flame.
Preferably, the online environment detector is fixedly installed at the right end of the upper end of the test bench body, the online environment detector is electrically connected with the control terminal, the online infrared thermometer is fixedly installed at the middle of the upper end of the control terminal, the online infrared thermometer is electrically connected with the control terminal, the environment noise detector is fixedly installed at the right end of the upper end of the test bench body, the environment noise detector is electrically connected with the control terminal, the design of the online environment detector is convenient for real-time monitoring of the environment temperature, the design of the online infrared thermometer ensures that the fuel cell engine is at normal running temperature, overtemperature condition can not occur, the environment noise is mainly monitored, the safety running of the hollow press part of the engine is monitored, the environment (engine test) noise is monitored in real time, and abnormal noise is avoided.
Preferably, the safety detection mechanism comprises an online insulation detection device, a cooling water outlet pipe, an outlet detection assembly, a cooling water inlet pipe and an inlet detection assembly, wherein the online insulation detection device is fixedly installed in the middle of the upper end of the control terminal, the online insulation detection device is electrically connected with the control terminal, the design of the online insulation detection device can avoid insulation failure of a galvanic pile, and electricity utilization safety is guaranteed.
Preferably, the cooling water outlet pipe fixed mounting is at the left end of cooling water placement box, the left end of the inside of cooling water placement box of subassembly fixed mounting is detected to the export, the subassembly electric connection control terminal is detected to the export, the right-hand member of cooling water inlet tube fixed mounting at the cooling water placement box is detected to the import, the right-hand member of the inside of cooling water placement box is detected to the import, the subassembly electric connection control terminal is detected to the import, the cooling water provides cooling heat dissipation for the engine test, for preventing the condition such as overtemperature, lack of water appear, consequently add the export at the cooling water delivery port and detect the subassembly, the export is detected the subassembly and is included temperature sensor and pressure sensor, and the import is added to the import and is detected the subassembly, and the import is detected the subassembly and is included vortex street flowmeter, temperature sensor and pressure sensor.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the safety monitoring device for the fuel cell engine test stand, by installing the on-line detection mechanism and the safety detection mechanism, the fact that the test stand body can perform hydrogen supply detection, on-line environment detection, stand electric safety detection and cooling water safety detection when the fuel cell engine is tested is achieved, so that safe and normal operation of an engine test is guaranteed, and the practicability and safety of the safety monitoring device for the fuel cell engine test stand are improved;
2. according to the safety monitoring device for the fuel cell engine test bed, the online detection mechanism is installed, so that the test bed body can detect the hydrogen supply inlet end, the problem caused by the lack of gas of a galvanic pile is avoided, the design of the pumping type hydrogen concentration sensor can ensure that no leakage occurs in the test, the design of the composite flame detector is convenient for detecting flame, the design of the online environment detector is convenient for monitoring the environment temperature in real time, the design of the infrared thermometer ensures that the fuel cell engine is at the normal running temperature, the overtemperature condition cannot occur, and the detection effect of the safety monitoring device for the fuel cell engine test bed is further improved;
3. this a safety monitoring device for fuel cell engine test bench through installing safety detection mechanism, and the design of online insulation check out test set can avoid the galvanic pile insulation to lose efficacy, guarantees the electricity safety, and the cooling water provides cooling heat dissipation for the test of engine, for preventing the condition such as overtemperature, lack of water, has improved the protectiveness that this a safety monitoring device for fuel cell engine test bench appears.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of a body of the test stand according to the present utility model;
FIG. 3 is a schematic diagram of a system architecture according to the present utility model;
fig. 4 is an enlarged schematic view of a partial detail of the control terminal according to the present utility model.
In the figure: 1. a main body mechanism; 101. a test stand body; 102. a control terminal; 103. a cooling water storage tank; 104. a fixing plate; 105. a limit component; 2. an on-line detection mechanism; 201. a hydrogen supply tank; 202. an air duct; 203. a hydrogen supply detection component; 204. a pumping type hydrogen concentration sensor; 205. a universal gas collecting hood; 206. a composite flame detector; 207. an online environment detector; 208. a line infrared thermometer; 209. an ambient noise detector; 3. a safety detection mechanism; 301. an on-line insulation detection device; 302. a cooling water outlet pipe; 303. an outlet detection assembly; 304. a cooling water inlet pipe; 305. an inlet detection assembly.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a safety monitoring device for fuel cell engine test bench, including main body mechanism 1, on-line detection mechanism 2 and safety detection mechanism 3, on-line detection mechanism 2 is located the right-hand member of main body mechanism 1 upper end, safety detection mechanism 3 is located the upper end of main body mechanism 1, main body mechanism 1 includes test bench body 101, control terminal 102, cooling water places case 103, fixed plate 104 and spacing subassembly 105, control terminal 102 fixed mounting is in the middle part of test bench body 101 upper end front end, cooling water places case 103 fixed mounting in the middle part of test bench body 101 upper end, fixed plate 104 fixed mounting is in the left and right sides of cooling water placed case 103 upper end, spacing subassembly 105 fixed mounting is at the inner of fixed plate 104, on-line detection mechanism 2 includes hydrogen supply tank 201, air duct 202, hydrogen supply detection subassembly 203, pumping hydrogen concentration sensor 204, universal gas collecting hood 205, compound flame detector 206, on-line environment detector 207, infrared line temperature detector 208 and ambient noise detector 209, hydrogen supply tank 201 fixed mounting is in the middle part of test bench body upper end left end.
The gas-guide tube 202 is fixedly arranged at the left end of the hydrogen supply box 201, the hydrogen supply detection component 203 is fixedly arranged at the left end of the inside of the hydrogen supply box 201, the hydrogen supply detection component 203 is electrically connected with the control terminal 102, the pumping type hydrogen concentration sensor 204 is fixedly arranged at the upper end and the lower end of the test bench body 101, the pumping type hydrogen concentration sensor 204 is uniformly distributed at the upper end and the lower end of the test bench body 101, the pumping type hydrogen concentration sensor 204 is electrically connected with the control terminal 102, the universal gas collecting cover 205 is fixedly arranged at the outer end of the pumping type hydrogen concentration sensor 204, the composite flame detector 206 is fixedly arranged at the upper end of the test bench body 101, the composite flame detector 206 is positioned at the diagonal angle of the upper end of the test bench body 101, the composite flame detector 206 is electrically connected with the control terminal 102, the online environment detector 207 is fixedly arranged at the right end of the upper end of the test bench body 101, the online environment detector 207 is electrically connected with the control terminal 102, the online infrared thermometer 208 is fixedly arranged in the middle of the upper end of the control terminal 102, the online infrared thermometer 208 is electrically connected with the control terminal 102, the environment noise detector 209 is fixedly arranged at the right end of the upper end of the test stand body 101, the environment noise detector 209 is electrically connected with the control terminal 102, the safety monitoring device for the fuel cell engine test stand is used for placing the fuel cell engine above the cooling water placing box 103 in the test process, starting the limiting component 105 to limit the fuel cell engine, then connecting the air duct 202 with the fuel cell engine, detecting the hydrogen supply condition of the fuel cell engine through the mass flowmeter, the temperature sensor and the pressure sensor of the hydrogen supply detecting component 203, avoiding the problem caused by the lack of electric pile, in order to ensure that no leakage occurs in the test, the upper and lower groups (four groups) of pumping type hydrogen concentration sensors 204 are placed around the bench, all pumping type hydrogen concentration sensors 204 are provided with universal gas collecting hoods 205, the heights and the sizes of engines of different manufacturers are matched, the pumping type hydrogen can be detected just after the leakage is started, two composite flame detectors 206 are respectively placed at opposite angles of an engine test bench, flames occurring in the test process of the fuel cell engine are monitored, the environment temperature is monitored in real time through an online environment detector 207, the working test temperature of the fuel cell engine is monitored through an online infrared thermometer 208, the safety operation of a hollow press part of the engine is mainly monitored through an environment noise detector 209, the environment (engine test) noise is monitored in real time, and abnormal noise is avoided.
The safety detection mechanism 3 comprises an online insulation detection device 301, a cooling water outlet pipe 302, an outlet detection component 303, a cooling water inlet pipe 304 and an inlet detection component 305, wherein the online insulation detection device 301 is fixedly installed in the middle of the upper end of the control terminal 102, the online insulation detection device 301 is electrically connected with the control terminal 102, the cooling water outlet pipe 302 is fixedly installed at the left end of the cooling water placement box 103, the outlet detection component 303 is fixedly installed at the left end of the inside of the cooling water placement box 103, the outlet detection component 303 is electrically connected with the control terminal 102, the cooling water inlet pipe 304 is fixedly installed at the right end of the inside of the cooling water placement box 103, the inlet detection component 305 is fixedly installed at the right end of the inside of the cooling water placement box 103, and the inlet detection component 305 is electrically connected with the control terminal 102 so as to avoid insulation failure of a galvanic pile, therefore, the safety of electricity is ensured, the cooling water placement box 103 is designed to provide cooling heat dissipation for testing of a fuel cell engine, and conditions such as overtemperature and water shortage are prevented.
Working principle: in the safety monitoring device for the fuel cell engine test bed, in the test process, a fuel cell engine is placed above a cooling water placement box 103, a limiting component 105 is started to limit the fuel cell engine, then an air duct 202 is connected with the fuel cell engine, the hydrogen supply condition of the fuel cell engine is detected through a mass flowmeter, a temperature sensor and a pressure sensor of a hydrogen supply detection component 203, the problem caused by the lack of gas in a galvanic pile is avoided, an upper pumping type hydrogen concentration sensor 204 and a lower pumping type hydrogen concentration sensor 204 (four pumping type hydrogen concentration sensors in each group) are placed around the bed, in order to ensure that no leakage occurs in the test, all pumping type hydrogen concentration sensors 204 are provided with universal gas collecting hoods 205, the heights and the sizes of engines of different factories are matched, the adoption of the pump suction type can also ensure that the leakage of hydrogen can be detected just at the beginning, two composite flame detectors 206 are respectively arranged at opposite angles of an engine test bench, flames occurring in the test process of the fuel cell engine are monitored, the environment temperature is monitored in real time through an online environment detector 207, the working test temperature of the fuel cell engine is monitored through an online infrared thermometer 208, the safety operation of a hollow press part in the engine is mainly monitored through an environment noise detector 209, the environment (engine test) noise is monitored in real time, abnormal noise is avoided, so that the insulation failure of a galvanic pile is avoided, the online insulation detection equipment 301 is connected to the control terminal 102, the electricity utilization safety is ensured, the cooling water placing box 103 is designed to provide cooling and heat dissipation for the test of the fuel cell engine, and the conditions such as overtemperature, water shortage and the like are prevented.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a safety monitoring device for fuel cell engine test bench, includes main part mechanism (1), detects mechanism (2) and safety detection mechanism (3) on line, its characterized in that: the on-line detection mechanism (2) is located the right-hand member of main body mechanism (1) upper end, the safety detection mechanism (3) is located the upper end of main body mechanism (1), main body mechanism (1) is including test bench body (101), control terminal (102), cooling water placing box (103), fixed plate (104) and spacing subassembly (105), control terminal (102) fixed mounting is in the middle part of test bench body (101) upper end front end, cooling water placing box (103) fixed mounting is in the middle part of test bench body (101) upper end, fixed plate (104) fixed mounting is at the left and right sides both ends of cooling water placing box (103) upper end, spacing subassembly (105) fixed mounting is at the inner of fixed plate (104), on-line detection mechanism (2) are including hydrogen supply box (201), air duct (202), hydrogen supply detecting subassembly (203), pump suction type hydrogen concentration sensor (204), universal gas collecting hood (205), compound flame (206), environment detector (207), line infrared detector (208) and environment detector (209) at the left side of test bench body (101) upper end.
2. A safety monitoring device for a fuel cell engine test stand as defined in claim 1, wherein: the utility model discloses a hydrogen concentration sensor, including hydrogen supply case (201), hydrogen supply detection subassembly (203) and universal gas-collecting hood (205), air duct (202) fixed mounting is at the left end of hydrogen supply case (201), hydrogen supply detection subassembly (203) fixed mounting is at the left end of hydrogen supply case (201), hydrogen concentration sensor (204) fixed mounting is at the upper and lower both ends of test bench body (101), hydrogen concentration sensor (204) evenly distributed is at the upper and lower both ends of test bench body (101), hydrogen concentration sensor (204) electric connection control terminal (102) are inhaled to pump, universal gas-collecting hood (205) fixed mounting is at the outer end of hydrogen concentration sensor (204) of pump.
3. A safety monitoring device for a fuel cell engine test stand as defined in claim 2, wherein: the composite flame detector (206) is fixedly arranged at the upper end of the test bench body (101), the composite flame detector (206) is positioned at the diagonal position of the upper end of the test bench body (101), and the composite flame detector (206) is electrically connected with the control terminal (102).
4. A safety monitoring device for a fuel cell engine test stand as defined in claim 3, wherein: the on-line environment detector (207) fixed mounting is at the right-hand member of test bench body (101) upper end, on-line environment detector (207) electric connection control terminal (102), infrared thermoscope (208) fixed mounting is in the middle part of control terminal (102) upper end, infrared thermoscope (208) electric connection control terminal (102), environmental noise detector (209) fixed mounting is at the right-hand member of test bench body (101) upper end, environmental noise detector (209) electric connection control terminal (102).
5. A safety monitoring device for a fuel cell engine test stand as defined in claim 4, wherein: the safety detection mechanism (3) comprises an online insulation detection device (301), a cooling water outlet pipe (302), an outlet detection component (303), a cooling water inlet pipe (304) and an inlet detection component (305), wherein the online insulation detection device (301) is fixedly arranged in the middle of the upper end of the control terminal (102), and the online insulation detection device (301) is electrically connected with the control terminal (102).
6. A safety monitoring device for a fuel cell engine test stand as defined in claim 5, wherein: the cooling water outlet pipe (302) is fixedly arranged at the left end of the cooling water placing box (103), the outlet detection component (303) is fixedly arranged at the left end inside the cooling water placing box (103), the outlet detection component (303) is electrically connected with the control terminal (102), the cooling water inlet pipe (304) is fixedly arranged at the right end of the cooling water placing box (103), the inlet detection component (305) is fixedly arranged at the right end inside the cooling water placing box (103), and the inlet detection component (305) is electrically connected with the control terminal (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309054.0U CN219223817U (en) | 2023-02-24 | 2023-02-24 | Safety monitoring device for fuel cell engine test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309054.0U CN219223817U (en) | 2023-02-24 | 2023-02-24 | Safety monitoring device for fuel cell engine test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219223817U true CN219223817U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320309054.0U Active CN219223817U (en) | 2023-02-24 | 2023-02-24 | Safety monitoring device for fuel cell engine test bed |
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| Country | Link |
|---|---|
| CN (1) | CN219223817U (en) |
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2023
- 2023-02-24 CN CN202320309054.0U patent/CN219223817U/en active Active
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