CN216081942U - Electric pile air tightness detection system - Google Patents
Electric pile air tightness detection system Download PDFInfo
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- CN216081942U CN216081942U CN202122838669.6U CN202122838669U CN216081942U CN 216081942 U CN216081942 U CN 216081942U CN 202122838669 U CN202122838669 U CN 202122838669U CN 216081942 U CN216081942 U CN 216081942U
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Abstract
The embodiment of the utility model provides a galvanic pile air tightness detection system, and relates to the field of galvanic pile air tightness detection systems. The aim is to realize the comprehensive detection of the air tightness of the galvanic pile. The galvanic pile air tightness detection system comprises at least three inlet pipelines, at least three discharge pipelines, an electromagnetic valve group, a detection piece and a controller; at least three inlet pipelines are respectively and correspondingly connected with inlets of three chambers of the galvanic pile; at least three discharge pipelines are respectively and correspondingly connected with outlets of three chambers of the galvanic pile; the electromagnetic valve group is used for respectively and independently controlling the opening or closing of each inlet pipeline and each discharge pipeline; the detection pieces are used for respectively detecting to obtain detection values representing the internal pressure of the cavity, and the controller controls the electromagnetic valve group according to the change conditions of the detection values. Different pipelines are controlled to be opened or closed through the electromagnetic valve group, the airtightness of a single cavity of the cavity and the airtightness of the cavity which are connected in series can be detected, and comprehensive detection of airtightness is achieved.
Description
Technical Field
The utility model relates to the field of a galvanic pile air tightness detection system, in particular to a galvanic pile air tightness detection system.
Background
Traditional gas tightness pressurize detects to different fuel cell systems, and its supplies hydrogen way, air circuit and three routes pressurize pipeline in water route and pressurizer all need build again, is leaking the pressurize and each cavity each other and is going on and go here and there to examine time measuring, and the manual repacking check-out test set that need not stop carries out corresponding sealed test, can't realize the comprehensive detection of automatic gas tightness, does not possess commonality and practicality.
SUMMERY OF THE UTILITY MODEL
Objects of the present invention include, for example, providing a stack gas tightness detection system that is capable of.
Embodiments of the utility model may be implemented as follows:
the embodiment of the utility model provides a galvanic pile air tightness detection system, which comprises:
the at least three inlet pipelines are respectively and correspondingly connected with inlets of three chambers of the galvanic pile;
the at least three discharge pipelines are used for being correspondingly connected with outlets of three chambers of the electric pile respectively;
the electromagnetic valve group is simultaneously connected with the at least three inlet pipelines and the at least three discharge pipelines and is used for respectively and independently controlling the opening or closing of each inlet pipeline and each discharge pipeline;
the detection piece is used for being arranged at inlets of three chambers of the galvanic pile, the detection piece is used for respectively detecting detection signals representing internal pressure values of the chambers, and the controller is communicated with the detection piece and used for controlling the electromagnetic valve group according to change conditions of the detection signals so as to detect the airtightness of the three chambers independently and serially.
In addition, the system for detecting the air tightness of the stack provided by the embodiment of the utility model can also have the following additional technical characteristics:
optionally, the three chambers are a hydrogen chamber, an air chamber and a cooling liquid chamber respectively; the at least three inlet pipelines comprise a hydrogen inlet pipeline, an air inlet pipeline and a liquid inlet pipeline; the hydrogen inlet pipeline is connected with an inlet of the hydrogen cavity, the air inlet pipeline is connected with an inlet of the air cavity, and the liquid inlet pipeline is connected with an inlet of the cooling liquid cavity.
Optionally, the at least three exhaust lines comprise a hydrogen exhaust line, an air exhaust line, and a liquid outlet line; the hydrogen gas exhaust pipeline is connected with an outlet of the hydrogen gas cavity, the air exhaust pipeline is connected with an outlet of the air cavity, and the liquid outlet pipeline is connected with an outlet of the cooling liquid cavity.
Optionally, the solenoid valve group includes with first solenoid valve, second solenoid valve, third solenoid valve, fourth solenoid valve, fifth solenoid valve and the sixth solenoid valve that the controller electricity is connected, first solenoid valve sets up hydrogen intake pipe is last, the second solenoid valve sets up feed liquor pipeline is last, the third solenoid valve sets up air intake pipe is last, the fourth solenoid valve sets up air exhaust pipe is last, the fifth solenoid valve sets up drain pipe is last, the sixth solenoid valve sets up hydrogen exhaust pipe is last.
Optionally, the first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth solenoid valve, the fifth solenoid valve, and the sixth solenoid valve are two-position two-way solenoid valves.
Optionally, the detecting member comprises a first pressure sensor, a second pressure sensor and a third pressure sensor; the first pressure sensor is arranged on the hydrogen inlet pipeline, the second pressure sensor is arranged on the liquid inlet pipeline, and the third pressure sensor is arranged on the air inlet pipeline.
Optionally, the system for detecting the air tightness of the stack further comprises a first flow meter, a second flow meter and a third flow meter; the first flowmeter is arranged on the hydrogen inlet pipeline, the second flowmeter is arranged on the liquid inlet pipeline, and the third flowmeter is arranged on the air inlet pipeline.
Optionally, the system for detecting the air tightness of the galvanic pile further comprises a nitrogen tank and a main pipeline, wherein one end of the main pipeline is connected with the nitrogen tank, and the other end of the main pipeline is connected with the hydrogen inlet pipeline, the air inlet pipeline and the liquid inlet pipeline.
Optionally, the galvanic pile airtightness detection system further comprises a pressure reducing valve; the pressure reducing valve is arranged on the main pipeline.
Optionally, the system for detecting the gas tightness of the galvanic pile further comprises a pressure controller, the pressure controller is arranged on the main pipeline, and the pressure controller is electrically connected with the pressure reducing valve.
The beneficial effects of the galvanic pile air tightness detection system of the embodiment of the utility model include, for example:
the galvanic pile air tightness detection system comprises three inlet pipelines, three discharge pipelines, an electromagnetic valve group, a detection piece and a controller; the three inlet pipelines are respectively and correspondingly connected with inlets of three chambers of the galvanic pile; the three discharge pipelines are respectively and correspondingly connected with outlets of three chambers of the galvanic pile; the three inlet pipelines and the three discharge pipelines are respectively connected with an electromagnetic valve group, and the electromagnetic valve group is used for respectively and independently controlling the opening or closing of each inlet pipeline and each discharge pipeline; the detection piece sets up the entry at the three cavity of galvanic pile, and the detection piece is used for detecting respectively and obtains the detected value of the internal pressure of characterization cavity, and the controller controls solenoid valve group according to the change situation of detected value.
The electromagnetism valves can be controlled entering pipeline and discharge line respectively alone, opens or closes different pipelines through control, detects the piece and detects the pressure of three cavity entry, and the controller is judged the gas tightness of each other cluster between the gas tightness of cavity list chamber and the cavity according to pressure variation's the condition, realizes the comprehensive detection of gas tightness, does not omit, improves the accuracy that the gas tightness detected.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a first state of a system for detecting the air tightness of a stack according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second state of the system for detecting the gas tightness of the stack according to the embodiment of the present invention;
FIG. 3 is a schematic diagram of a third state of the system for detecting the air tightness of the stack according to the embodiment of the present invention;
FIG. 4 is a diagram illustrating a fourth state of the system for detecting the air tightness of the stack according to the embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a fifth state of the system for detecting the gas tightness of the stack according to the embodiment of the present invention;
FIG. 6 is a diagram illustrating a sixth state of the system for detecting the gas tightness of the stack according to the embodiment of the present invention;
FIG. 7 is a diagram illustrating a seventh state of the system for detecting the gas tightness of the stack according to the embodiment of the present invention;
fig. 8 is a schematic diagram of an eighth state of the system for detecting the gas tightness of the stack according to the embodiment of the present invention.
Icon: 10-a galvanic pile air tightness detection system; 100-electric pile; 200-a hydrogen inlet line; 210-air intake line; 220-liquid inlet pipeline; 300-hydrogen gas exhaust line; 310-air exhaust line; 320-a liquid outlet pipeline; 400-a first solenoid valve; 410-a second solenoid valve; 420-a third solenoid valve; 430-a fourth solenoid valve; 440-a fifth solenoid valve; 450-a sixth solenoid valve; 500-a first pressure sensor; 510-a second pressure sensor; 520-a third pressure sensor; 600-a first flow meter; 610-a second flow meter; 620-third flow meter; 700-nitrogen gas tank; 710-main pipeline; 720-pressure reducing valve; 730-pressure controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, it is only for convenience of describing the present invention and simplifying the description, but it is not necessary to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, it should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The details of the system 10 for detecting the gas tightness of the stack provided in the present embodiment are described below with reference to fig. 1 to 8.
Referring to fig. 1, an embodiment of the present invention provides a system 10 for detecting air tightness of a stack, including at least three inlet pipes, where the at least three inlet pipes are used to be respectively connected to inlets of three chambers of a stack 100; at least three discharge pipelines, which are respectively used for being correspondingly connected with outlets of three chambers of the electric pile 100; the electromagnetic valve group is simultaneously connected with the at least three inlet pipelines and the at least three discharge pipelines and is used for respectively and independently controlling the opening or closing of each inlet pipeline and each discharge pipeline; the detection piece is used for respectively detecting detection signals for obtaining the internal pressure values of the characterization chambers, and the controller is communicated with the detection piece and is used for controlling the electromagnetic valve group according to the change condition of the detection signals so as to perform air tightness detection on the three chambers independently and in series.
The electromagnetism valves can be controlled entering pipeline and discharge line respectively alone, opens or closes different pipelines through control, detects the piece and detects the pressure of three cavity entry, and the controller is judged the gas tightness of each other cluster between the gas tightness of cavity list chamber and the cavity according to pressure variation's the condition, realizes the comprehensive detection of gas tightness, does not omit, improves the accuracy that the gas tightness detected.
Referring to fig. 1, in the present embodiment, the three chambers are a hydrogen chamber, an air chamber, and a cooling liquid chamber; the three inlet lines include a hydrogen inlet line 200, an air inlet line 210, and a liquid inlet line 220; the hydrogen gas inlet pipeline 200 is connected with the inlet of the hydrogen gas cavity, the air inlet pipeline 210 is connected with the inlet of the air cavity, and the liquid inlet pipeline 220 is connected with the inlet of the cooling liquid cavity.
The hydrogen inlet line 200 is used to deliver gas to the hydrogen chamber. An air intake conduit 210 is used to deliver gas to the air cavity. The liquid inlet line 220 is used for delivering gas to the cooling liquid cavity.
Referring to fig. 1, in the present embodiment, the three exhaust lines include a hydrogen exhaust line 300, an air exhaust line 310, and a liquid outlet line 320; the hydrogen gas exhaust pipeline 300 is connected with the outlet of the hydrogen gas cavity, the air exhaust pipeline 310 is connected with the outlet of the air cavity, and the liquid outlet pipeline 320 is connected with the outlet of the cooling liquid cavity.
The hydrogen exhaust line 300 is used to exhaust the gas in the hydrogen chamber. The air exhaust line 310 is used to exhaust the air in the air chamber. The liquid outlet pipe 320 is used for discharging gas in the cooling liquid cavity.
Referring to fig. 1, in the present embodiment, the solenoid valve set includes a first solenoid valve 400, a second solenoid valve 410, a third solenoid valve 420, a fourth solenoid valve 430, a fifth solenoid valve 440, and a sixth solenoid valve 450 electrically connected to the controller, the first solenoid valve 400 is disposed on the hydrogen gas inlet pipeline 200, the second solenoid valve 410 is disposed on the liquid inlet pipeline 220, the third solenoid valve 420 is disposed on the air gas inlet pipeline 210, the fourth solenoid valve 430 is disposed on the air exhaust pipeline 310, the fifth solenoid valve 440 is disposed on the liquid outlet pipeline 320, and the sixth solenoid valve 450 is disposed on the hydrogen gas exhaust pipeline 300.
The first solenoid valve 400 is used to open or close the hydrogen inlet line 200, the second solenoid valve 410 is used to open or close the liquid inlet line 220, the third solenoid valve 420 is used to open or close the air inlet line 210, the fourth solenoid valve 430 is used to open or close the air outlet line 310, the fifth solenoid valve 440 is used to open or close the liquid outlet line 320, and the sixth solenoid valve 450 is used to open or close the hydrogen outlet line 300.
In the present embodiment, the first solenoid valve 400, the second solenoid valve 410, the third solenoid valve 420, the fourth solenoid valve 430, the fifth solenoid valve 440, and the sixth solenoid valve 450 are two-position two-way solenoid valves.
Referring to fig. 1, in the present embodiment, the detecting member includes a first pressure sensor 500, a second pressure sensor 510, and a third pressure sensor 520; a first pressure sensor 500 is provided on the hydrogen inlet line 200, a second pressure sensor 510 is provided on the liquid inlet line 220, and a third pressure sensor 520 is provided on the air inlet line 210.
The first pressure sensor 500 is used for detecting the pressure in the hydrogen cavity, and after maintaining the pressure for a period of time, whether the hydrogen cavity leaks or whether the hydrogen cavity and other cavities are connected in series is judged according to the change condition of the detection value detected by the first pressure sensor 500.
Referring to fig. 1, in the present embodiment, the system 10 for detecting the gas tightness of the stack further includes a first flow meter 600, a second flow meter 610, and a third flow meter 620; a first flow meter 600 is disposed on the hydrogen inlet line 200, a second flow meter 610 is disposed on the liquid inlet line 220, and a third flow meter 620 is disposed on the air inlet line 210. The pressure sensor and the flowmeter can be used alternatively or simultaneously.
In this embodiment, the system 10 for detecting the gas tightness of the stack further includes a nitrogen tank 700 and a main pipeline 710, one end of the main pipeline 710 is connected to the nitrogen tank 700, and the other end of the main pipeline 710 is connected to the hydrogen gas inlet pipeline 200, the air gas inlet pipeline 210 and the liquid inlet pipeline 220.
The nitrogen tank 700 is used to store nitrogen and supply nitrogen to the three chambers of the stack 100 to enable the detection of gas tightness by the change of pressure.
In this embodiment, the system 10 for detecting the gas tightness of the stack further includes a pressure reducing valve 720; a pressure relief valve 720 is provided on main conduit 710. Pressure relief valve 720 is used to regulate pressure relief when pressure on main line 710 is too high to regulate pressure on main line 710.
In this embodiment, the system 10 for detecting the gas tightness of the stack further includes a pressure controller 730, the pressure controller 730 is disposed on the main pipe 710, and the pressure controller 730 is electrically connected to the pressure reducing valve 720. The pressure controller 730 is used to detect the pressure in the main line 710, and when the pressure in the main line 710 is too high, the pressure in the main line 710 is adjusted by controlling the pressure reducing valve 720 to release pressure.
According to the system 10 for detecting the gas tightness of the stack provided by the embodiment, the system 10 for detecting the gas tightness of the stack comprises the following eight detection modes:
first, referring to fig. 1, the entire stack leakage is detected, the pressure reducing valve 720 and the pressure controller 730 are opened, the first solenoid valve 400, the second solenoid valve 410 and the third solenoid valve 420 are opened, and the fourth solenoid valve 430, the fifth solenoid valve 440 and the sixth solenoid valve 450 are closed. After the first pressure sensor 500, the second pressure sensor 510, and the third pressure sensor 520 reach the set pressures, the pressure reducing valve 720, the pressure controller 730, and the corresponding first solenoid valve 400, the second solenoid valve 410, and the third solenoid valve 420 are closed, and a pressure holding test is performed for a set time. And after the leakage test of the galvanic pile 100 is finished, automatically recording data and storing the data into a report. The fourth, fifth and sixth solenoid valves 430, 440, 450 are opened to exhaust. If the detected value is normal, that is, if the detected value hardly changes, the next step is performed. If the detection value is abnormal, namely the change of the detection value exceeds the set threshold value within the set time, the system gives an alarm and enters the following two-step, three-step, four-step, five-step, six-step, seven-step and eight-step detection according to a preset program in advance. Whether the detection value is normal or not is continuously tested, and the omission of air tightness detection is avoided.
Secondly, referring to fig. 2, detecting hydrogen and oxygen in two cavities, opening the pressure reducing valve 720 and the pressure controller 730, opening the first electromagnetic valve 400, the third electromagnetic valve 420 and the fifth electromagnetic valve 440, closing the fourth electromagnetic valve 430 and the sixth electromagnetic valve 450, closing the pressure reducing valve 720, the pressure controller 730 and the corresponding first electromagnetic valve 400 and third electromagnetic valve 420 after the first pressure sensor 500 and the third pressure sensor 520 reach the set pressure, performing the set time pressure maintaining test, finishing the hydrogen and oxygen leakage test, automatically recording data and storing the data in a report form, and opening the fourth electromagnetic valve 430 and the sixth electromagnetic valve 450 for exhausting. The overall test is finished. If the detection value is normal, the next step is carried out. If the detected value is abnormal, the system gives an alarm and enters the specified program of four or five steps for detection according to the preset program.
Referring to fig. 3, the coolant path is detected, the pressure reducing valve 720 and the pressure controller 730 are opened, the second solenoid valve 410, the fourth solenoid valve 430, and the sixth solenoid valve 450 are opened, and the fifth solenoid valve 440 is closed. After the second pressure sensor 510 reaches the set pressure, the pressure reducing valve 720, the pressure controller 730 and the second solenoid valve 410 are closed, and a set time pressure maintaining test is performed. And after the cooling liquid path test is finished, automatically recording data and storing the data into a report. The fifth solenoid valve 440 is opened to exhaust.
Referring to fig. 4, the hydrogen path detection is performed, the pressure reducing valve 720 and the pressure controller 730 are opened, and the pressure controller 730 sets the intake pressure. The first, fourth, and fifth solenoid valves 400, 430, 440 are opened, and the sixth solenoid valve 450 is closed. After the first pressure sensor 500 reaches the set pressure, the pressure reducing valve 720, the pressure controller 730 and the first solenoid valve 400 are closed, and a pressure maintaining test is performed for a set time. And after the hydrogen path test is finished, automatically recording data and storing the data into a report. The sixth solenoid 450 is opened to exhaust.
With reference to fig. 5, the air passage detection is performed, the pressure reducing valve 720 and the pressure controller 730 are opened, the third solenoid valve 420, the fifth solenoid valve 440 and the sixth solenoid valve 450 are opened, and the fourth solenoid valve 430 is closed. After the third pressure sensor 520 reaches the set pressure, the pressure reducing valve 720, the pressure controller 730, and the third solenoid valve 420 are closed, and a pressure maintaining test is performed for a set time. And after the air path test is finished, automatically recording data and storing the data into a report. The fourth solenoid valve 430 is opened to exhaust.
Sixth, referring to fig. 6, the hydrogen-oxygen cross-talk detection is performed, the pressure reducing valve 720 and the pressure controller 730 are opened, the first electromagnetic valve 400 and the fourth electromagnetic valve 430 are opened, and the fifth electromagnetic valve 440 and the sixth electromagnetic valve 450 are closed. After the first pressure sensor 500 reaches the set pressure, the pressure reducing valve 720, the pressure controller 730 and the first solenoid valve 400 are closed, and a pressure maintaining test is performed for a set time. And after the hydrogen-oxygen cross-talk test is finished, automatically recording data and storing the data into a report. The fifth electromagnetic valve 440 and the sixth electromagnetic valve 450 are opened to exhaust. If the detection value is normal, the next step is carried out. If the detected value is abnormal, the system alarms and stops measuring.
Seventh, referring to fig. 7, hydrogen water cross-flow detection is performed, the pressure reducing valve 720 and the pressure controller 730 are opened, the first solenoid valve 400 and the fifth solenoid valve 440 are opened, and the fourth solenoid valve 430 and the sixth solenoid valve 450 are closed. After the first pressure sensor 500 reaches the set pressure, the pressure reducing valve 720, the pressure controller 730 and the first electromagnetic valve 400 are closed, the pressure maintaining test is carried out for the set time, the hydrogen water serial test is finished, and the automatic recording data is stored in a report. The fourth solenoid valve 430 and the sixth solenoid valve 450 are opened to exhaust.
Referring to fig. 8, the air-water cross-flow detection is performed, the pressure reducing valve 720 and the pressure controller 730 are opened, the third solenoid valve 420 and the fifth solenoid valve 440 are opened, and the fourth solenoid valve 430 and the sixth solenoid valve 450 are closed. After the first pressure sensor 500 reaches the set pressure, the pressure controller 730 of the pressure reducing valve 720 and the third solenoid valve 420 are closed, and the pressure maintaining test is performed for the set time. And after the air-water series test is finished, automatically recording data and storing the data into a report, and opening the fourth electromagnetic valve 430 and the sixth electromagnetic valve 450 to exhaust.
The system 10 for detecting the air tightness of the galvanic pile provided by the embodiment has at least the following advantages:
different pipelines are opened or closed through the control of the electromagnetic valve group, the pressure of the corresponding pipeline is detected by the detection piece, the pressure maintaining test is carried out, the full-automatic detection of the single cavity of the galvanic pile 100 and the whole air tightness is completed, meanwhile, the leakage cavity can be automatically skipped without affecting the air tightness detection of other cavities, and therefore the air tightness detection result of the whole pile is obtained. And after the detection is finished, the system automatically stores the test record report so as to facilitate the subsequent professional to carry out data analysis. The complete set of tests only needs one key to complete. The test process can be completed without the need of midway intervention of personnel.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A system for detecting the gas tightness of a galvanic pile is characterized by comprising:
at least three inlet pipelines which are respectively and correspondingly connected with inlets of three chambers of the galvanic pile (100);
at least three discharge pipes, which are used for being correspondingly connected with outlets of three chambers of the galvanic pile (100) respectively;
the electromagnetic valve group is simultaneously connected with the at least three inlet pipelines and the at least three discharge pipelines and is used for respectively and independently controlling the opening or closing of each inlet pipeline and each discharge pipeline;
the detection device comprises a detection piece and a controller, wherein the detection piece is used for being arranged at inlets of three chambers of the galvanic pile (100), the detection piece is used for respectively detecting detection signals representing internal pressure values of the chambers, and the controller is communicated with the detection piece and is used for controlling the electromagnetic valve group according to the change condition of the detection signals so as to detect the air tightness of the three chambers independently and serially.
2. The galvanic pile airtightness detection system according to claim 1, wherein:
the three chambers are respectively a hydrogen chamber, an air chamber and a cooling liquid chamber; the at least three inlet lines comprise a hydrogen inlet line (200), an air inlet line (210) and a liquid inlet line (220); the hydrogen gas inlet pipeline (200) is connected with an inlet of the hydrogen gas cavity, the air inlet pipeline (210) is connected with an inlet of the air cavity, and the liquid inlet pipeline (220) is connected with an inlet of the cooling liquid cavity.
3. The galvanic pile airtightness detection system according to claim 2, wherein:
the at least three exhaust lines comprise a hydrogen exhaust line (300), an air exhaust line (310) and a liquid outlet line (320); the hydrogen gas exhaust pipeline (300) is connected with an outlet of the hydrogen gas cavity, the air exhaust pipeline (310) is connected with an outlet of the air cavity, and the liquid outlet pipeline (320) is connected with an outlet of the cooling liquid cavity.
4. The galvanic pile airtightness detection system according to claim 3, wherein:
the electromagnetic valve group comprises a first electromagnetic valve (400), a second electromagnetic valve (410), a third electromagnetic valve (420), a fourth electromagnetic valve (430), a fifth electromagnetic valve (440) and a sixth electromagnetic valve (450), wherein the first electromagnetic valve (400) is arranged on the hydrogen gas inlet pipeline (200), the second electromagnetic valve (410) is arranged on the liquid inlet pipeline (220), the third electromagnetic valve (420) is arranged on the air gas inlet pipeline (210), the fourth electromagnetic valve (430) is arranged on the air exhaust pipeline (310), the fifth electromagnetic valve (440) is arranged on the liquid outlet pipeline (320), and the sixth electromagnetic valve (450) is arranged on the hydrogen gas exhaust pipeline (300).
5. The galvanic pile airtightness detection system according to claim 4, wherein:
the first solenoid valve (400), the second solenoid valve (410), the third solenoid valve (420), the fourth solenoid valve (430), the fifth solenoid valve (440), and the sixth solenoid valve (450) are two-position, two-way solenoid valves.
6. The galvanic pile airtightness detection system according to claim 4, wherein:
the detecting member includes a first pressure sensor (500), a second pressure sensor (510), and a third pressure sensor (520); the first pressure sensor (500) is disposed on the hydrogen intake line (200), the second pressure sensor (510) is disposed on the liquid intake line (220), and the third pressure sensor (520) is disposed on the air intake line (210).
7. The galvanic pile airtightness detection system according to claim 6, wherein:
the galvanic pile airtightness detection system further comprises a first flow meter (600), a second flow meter (610) and a third flow meter (620); the first flow meter (600) is disposed on the hydrogen intake line (200), the second flow meter (610) is disposed on the liquid intake line (220), and the third flow meter (620) is disposed on the air intake line (210).
8. The galvanic pile airtightness detection system according to claim 7, wherein:
the galvanic pile airtightness detection system further comprises a nitrogen tank (700) and a main pipeline (710), one end of the main pipeline (710) is connected with the nitrogen tank (700), and the other end of the main pipeline (710) is simultaneously connected with the hydrogen gas inlet pipeline (200), the air inlet pipeline (210) and the liquid inlet pipeline (220).
9. The galvanic pile airtightness detection system according to claim 8, wherein:
the galvanic pile air tightness detection system further comprises a pressure reducing valve (720); the pressure reducing valve (720) is provided on the main line (710).
10. The galvanic pile airtightness detection system according to claim 9, wherein:
the galvanic pile airtightness detection system further comprises a pressure controller (730), wherein the pressure controller (730) is arranged on the main pipeline (710), and the pressure controller (730) is electrically connected with the pressure reducing valve (720).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838669.6U CN216081942U (en) | 2021-11-18 | 2021-11-18 | Electric pile air tightness detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838669.6U CN216081942U (en) | 2021-11-18 | 2021-11-18 | Electric pile air tightness detection system |
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| CN216081942U true CN216081942U (en) | 2022-03-18 |
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| CN202122838669.6U Active CN216081942U (en) | 2021-11-18 | 2021-11-18 | Electric pile air tightness detection system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |