Automatic control device of hydrogen refueling station

Abstract

The utility model discloses an automatic control device for a hydrogen refueling station, which comprises a control box, a controller arranged in the control box, a dehumidifying mechanism arranged in the control box, a gas storage tank arranged on one side of the control box, a monitoring mechanism arranged in the gas storage tank, and a hydrogen refueling machine arranged on one side of the gas storage tank. Moisture in the control box can be absorbed by placing dry particles in the dehumidification box, normal operation of the controller is guaranteed, the dehumidification box is fixed by arranging a clamping plate, and after the dry particles are used for a long time, the limiting effect of the clamping plate on the dehumidification box is conveniently driven by rotating a screw rod to lose efficacy. The air storage tank is provided with a dehumidification box, dry particles in the dehumidification box can be conveniently replaced, a monitoring mechanism is arranged, a pressure sensor and a temperature sensor can be arranged in the air storage tank, the pressure and temperature in the air storage tank can be measured in real time, monitoring of the air storage tank is enhanced, and an alarm is arranged.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic control, in particular to an automatic control device for a hydrogen filling station. Background Art

[0002] The key to the future development of hydrogen energy lies in efficient production, transportation and use. As a key link in this chain, hydrogen refueling stations play an important role in connecting hydrogen production and fuel cell vehicle use. They establish a pipeline network to enable large amounts of hydrogen to be effectively transported from the production site to the end of use, which is particularly important for promoting the popularization of fuel cell vehicles (FCEVs). As an important infrastructure of the hydrogen energy industry, the automated control devices of hydrogen refueling stations are crucial to improving operational efficiency, ensuring equipment safety and optimizing hydrogen management.

[0003] The existing automated control system lacks effective protection measures and is easily corroded by moisture after long-term use, which may affect the stability and reliability of the control equipment and is not conducive to the control and management of the hydrogen refueling station. In addition, due to the relatively backward automation level of the hydrogen refueling station, its alarm function is not perfect and a comprehensive monitoring system cannot be formed. Such limitations make the management and control of the hydrogen refueling station complicated, which is not conducive to improving operational efficiency and ensuring equipment safety. No effective solution has been proposed for the problems in the relevant technology. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes an automatic control device for a hydrogen refueling station to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] An automatic control device for a hydrogen filling station comprises a control box, a controller is arranged inside the control box, a dehumidification mechanism is arranged inside the control box, a gas storage tank is arranged on one side of the control box, a monitoring mechanism is arranged inside the gas storage tank, and a hydrogen filling machine is arranged on one side of the gas storage tank.

[0007] Furthermore, in order to enable the controller to work normally and absorb the moisture inside the controller, the dehumidification mechanism includes a mounting seat arranged on the inner walls on both sides of the control box, a limiting frame is provided on one side of the mounting seat, and a fixing plate is provided on the other side, and a dehumidification box is provided between the limiting frame and the fixing plate, the dehumidification box is provided with a through hole, and the fixing plate is provided with a threaded hole, a screw is threadedly connected to the inside of the threaded hole, and one end of the screw is connected to the clamping plate through a bearing.

[0008] Furthermore, in order to ensure the stability of the movement of the splint, a slider is provided under the splint, and a slide groove is provided on the mounting seat, and the slider matches the slide groove.

[0009] Furthermore, in order to monitor the temperature and pressure inside the gas tank, the monitoring mechanism includes a temperature sensor arranged at the top of the gas tank, and a pressure sensor is arranged on one side of the gas tank. The temperature sensor and the pressure sensor are electrically connected to the controller.

[0010] Furthermore, an air inlet pipe is provided on one side of the top of the gas storage tank, a first electromagnetic valve is provided on the air inlet pipe, a first flow meter is provided on one side of the first electromagnetic valve, an air outlet pipe is provided on the other side of the air inlet pipe, the air outlet pipe is connected to the hydrogenator through a flange, a second electromagnetic valve is provided on the air outlet pipe, a second flow meter is provided on one side of the second electromagnetic valve, and the first electromagnetic valve, the first flow meter, the second electromagnetic valve and the second flow meter are all electrically connected to the controller.

[0011] Furthermore, in order to ensure the heat dissipation effect inside the control box, a heat dissipation window is provided on one side of the control box, a dustproof net is provided on the outside of the heat dissipation window, and an alarm is provided on the top of the controller, and the alarm is electrically connected to the controller.

[0012] Furthermore, a hydrogenation pipe is provided on one side of the hydrogenation machine, and the hydrogenation machine is electrically connected to the controller.

[0013] The beneficial effects of the utility model are:

[0014] (1) By setting up a dehumidification mechanism, dry particles can be placed inside the dehumidification box to absorb moisture inside the control box, ensuring that the controller can operate normally. The dehumidification box is fixed by setting a clamp. After the dry particles are used for a long time, the clamp can be rotated by the screw to drive the clamp to invalidate the restrictive effect of the dehumidification box, so that the dry particles inside the dehumidification box can be replaced conveniently.

[0015] (2) By setting up a monitoring mechanism, a pressure sensor and a temperature sensor can be installed inside the gas tank, and the pressure and temperature inside the gas tank can be measured in real time to strengthen the monitoring of the gas tank. In addition, by setting up an alarm, the alarm can be sounded as soon as the controller detects an abnormality to alert the management staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view of an automatic control device for a hydrogen refueling station according to an embodiment of the utility model.

[0018] Figure 2It is a side view of an automatic control device for a hydrogen refueling station according to an embodiment of the utility model.

[0019] Figure 3 It is a diagram of the internal structure of a control box of an automatic control device for a hydrogen refueling station according to an embodiment of the utility model.

[0020] Figure 4 It is a structural diagram of a mounting base of an automatic control device for a hydrogen refueling station according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Control box; 2. Controller; 3. Dehumidification mechanism; 301. Mounting seat; 302. Limit frame; 303. Fixing plate; 304. Dehumidification box; 305. Through hole; 306. Threaded hole; 307. Screw; 308. Clamp; 4. Gas storage tank; 5. Monitoring mechanism; 501. Temperature sensor; 502. Pressure sensor; 6. Hydrogenation machine; 7. Slider; 8. Slide; 9. Inlet pipe; 10. First solenoid valve; 11. First flow meter; 12. Exit pipe; 13. Second solenoid valve; 14. Second flow meter; 15. Heat dissipation window; 16. Dust net; 17. Alarm; 18. Hydrogenation pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] According to an embodiment of the utility model, a hydrogen refueling station automation control device is provided.

[0025] Embodiment 1

[0026] like Figure 1-Figure 4As shown, according to the embodiment of the utility model, the automatic control device of the hydrogen filling station includes a control box 1, a controller 2 is arranged inside the control box 1, a wireless transmission module is arranged on the controller 2, and information can be transmitted to the control center when an abnormal situation occurs, a dehumidification mechanism 3 is arranged inside the control box 1, a gas storage tank 4 is arranged on one side of the control box 1, a monitoring mechanism 5 is arranged inside the gas storage tank 4, and a hydrogen filling machine 6 is arranged on one side of the gas storage tank 4, and the dehumidification mechanism 3 includes a mounting seat 301 arranged on the inner wall of both sides of the control box 1, a limiting frame 302 is arranged on one side of the mounting seat 301, and a fixing plate 303 is arranged on the other side, and the limiting frame 302 and the fixing plate 303 are arranged on the other side. A dehumidification box 304 is provided between the plates 303, a through hole 305 is provided on the dehumidification box 304, a threaded hole 306 is provided on the fixing plate 303, a screw 307 is connected to the threaded hole 306, one end of the screw 307 is connected to the clamping plate 308 through a bearing, a slider 7 is provided under the clamping plate 308, a slide groove 8 is provided on the mounting seat 301, and the slider 7 matches the slide groove 8. By setting the slider 7 and the slide groove 8, the stability of the movement of the clamping plate 308 is ensured to prevent the clamping plate 308 from deviating during the movement, which affects the fixing effect of the dehumidification box 304. The monitoring mechanism 5 includes a A temperature sensor 501 is provided at the top of the gas tank 4, a pressure sensor 502 is provided at one side of the gas tank 4, the temperature sensor 501 and the pressure sensor 502 are electrically connected to the controller 2, an air inlet pipe 9 is provided at one side of the top of the gas tank 4, a first electromagnetic valve 10 is provided on the air inlet pipe 9, a first flow meter 11 is provided on one side of the first electromagnetic valve 10, an air outlet pipe 12 is provided on the other side of the air inlet pipe 9, the air outlet pipe 12 is connected to the hydrogenator 6 through a flange, a second electromagnetic valve 13 is provided on the air outlet pipe 12, a second flow meter 14 is provided on one side of the second electromagnetic valve 13, the first electromagnetic valve 10 and the first flow meter 11 are connected to the hydrogenator 6 through a flange, and a second electromagnetic valve 13 is provided on the air outlet pipe 12. The second electromagnetic valve 13 and the second flow meter 14 are both electrically connected to the controller 2. By arranging the first meter and the second meter, the flow of hydrogen in and out of the gas storage tank 4 can be monitored. A heat dissipation window 15 is provided on one side of the control box 1, and a dustproof net 16 is provided on the outside of the heat dissipation window 15. By arranging the heat dissipation window 15 and the dustproof net 16, the hot air inside the control box 1 can be discharged, and the normal operation of the controller 2 can be ensured. An alarm 17 is provided on the top of the controller 2, and the alarm 17 is electrically connected to the controller 2. A hydrogenation pipe 18 is provided on one side of the hydrogenation machine 6, and the hydrogenation machine 6 is electrically connected to the controller 2.

[0027] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0028] In actual application, by setting a pressure sensor 502 inside the gas tank 4, when the gas tank 4 is filled with hydrogen, the internal pressure of the gas tank 4 is detected in real time. When the internal pressure reaches a certain level, the first electromagnetic valve 10 can be closed to stop the filling of the gas tank 4. When the pressure sensor 502 detects that the hydrogen pressure value of the gas tank 4 in use is lower than the preset minimum value, the controller 2 controls the second electromagnetic valve 13 to stop supplying gas to the hydrogenator 6. By setting a temperature sensor 501, the internal temperature of the gas tank 4 can be monitored in real time. When the temperature is higher than the preset value, the controller 2 stops the supply of gas to the hydrogenator 6. 2 can control the alarm 17 to sound an alarm, reminding nearby staff to handle the problem, and by arranging a dehumidification box 304 inside the control box 1 and placing dry particles in the dehumidification box 304, the moisture inside the control box 1 can be absorbed to ensure the stability of the control device, and after the dry particles are used for a long time, the screw 307 can be rotated to drive the screw 307 to move inside the threaded hole 306, so that the clamping plate 308 is away from the dehumidification box 304, and the dehumidification box 304 can be disassembled, which is relatively convenient, and the dry particles inside the dehumidification box 304 can be replaced to ensure the dehumidification effect of the dehumidification box 304.

[0029] In summary, with the aid of the above technical solution of the present invention, by setting up the dehumidification mechanism 3, it is possible to absorb the moisture inside the control box 1 by placing dry particles inside the dehumidification box 304, thereby ensuring that the controller 2 can operate normally, and by setting up the splint 308 to fix the dehumidification box 304, after the dry particles are used for a long time, it is convenient to drive the splint 308 to invalidate the limiting effect of the dehumidification box 304 by rotating the screw 307, so as to facilitate the replacement of the dry particles inside the dehumidification box 304, and by setting up the monitoring mechanism 5, it is possible to set up a pressure sensor 502 and a temperature sensor 501 inside the gas tank 4, so as to measure the pressure and temperature inside the gas tank 4 in real time, thereby strengthening the monitoring of the gas tank 4, and by setting up the alarm 17, the alarm 17 can sound as soon as the controller 2 detects an abnormality, so as to remind the management personnel to pay attention, which is simple, convenient and easy to maintain, and effectively reduces the burden on the management personnel.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hydrogen refueling station automation control device, characterized in that: The invention comprises a control box (1), wherein a controller (2) is arranged inside the control box (1), a dehumidification mechanism (3) is arranged inside the control box (1), a gas storage tank (4) is arranged on one side of the control box (1), a monitoring mechanism (5) is arranged inside the gas storage tank (4), and a hydrogenator (6) is arranged on one side of the gas storage tank (4).

2. A hydrogen refueling station automation control device according to claim 1, characterized in that: The dehumidification mechanism (3) comprises a mounting seat (301) arranged on the inner walls of both sides of the control box (1); a limit frame (302) is arranged on one side of the mounting seat (301); a fixing plate (303) is arranged on the other side; a dehumidification box (304) is arranged between the limit frame (302) and the fixing plate (303); a through hole (305) is arranged on the dehumidification box (304); a threaded hole (306) is arranged on the fixing plate (303); a screw rod (307) is threadedly connected inside the threaded hole (306); one end of the screw rod (307) is connected to the clamping plate (308) via a bearing.

3. A hydrogen refueling station automation control device according to claim 2, characterized in that: A sliding block (7) is provided below the clamping plate (308), a sliding groove (8) is provided on the mounting seat (301), and the sliding block (7) matches the sliding groove (8).

4. A hydrogen refueling station automation control device according to claim 1, characterized in that: The monitoring mechanism (5) comprises a temperature sensor (501) disposed at the top end of the gas storage tank (4), and a pressure sensor (502) is disposed at one side of the gas storage tank (4). The temperature sensor (501) and the pressure sensor (502) are electrically connected to the controller (2).

5. The automatic control device for a hydrogen refueling station according to claim 1, characterized in that: An air inlet pipe (9) is provided on one side of the top end of the gas storage tank (4), a first electromagnetic valve (10) is provided on the air inlet pipe (9), a first flow meter (11) is provided on one side of the first electromagnetic valve (10), an air outlet pipe (12) is provided on the other side of the air inlet pipe (9), the air outlet pipe (12) is connected to the hydrogenation machine (6) through a flange, a second electromagnetic valve (13) is provided on the air outlet pipe (12), a second flow meter (14) is provided on one side of the second electromagnetic valve (13), and the first electromagnetic valve (10), the first flow meter (11), the second electromagnetic valve (13) and the second flow meter (14) are all electrically connected to the controller (2).

6. The automatic control device for a hydrogen refueling station according to claim 1, characterized in that: A heat dissipation window (15) is provided on one side of the interior of the control box (1), a dustproof net (16) is provided on the outside of the heat dissipation window (15), and an alarm (17) is provided on the top of the controller (2), and the alarm (17) is electrically connected to the controller (2).

7. The automatic control device for a hydrogen refueling station according to claim 1, characterized in that: A hydrogenation pipe (18) is provided on one side of the hydrogenation machine (6), and the hydrogenation machine (6) is electrically connected to the controller (2).

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