Fuel cell cooling liquid filling system

Abstract

The utility model relates to the technical field of cooling liquid filling, in particular to a fuel cell cooling liquid filling system. Comprising a rack, a filling mechanism, a liquid supply mechanism, a plurality of limiting rings and a plurality of pushing mechanisms; a belt conveyor is mounted on the rack; the multiple limiting rings are evenly distributed on the periphery of the belt conveyor, and a fixing frame is connected between the limiting rings and the belt conveyor. The filling mechanism comprises a temporary storage box and a plurality of filling pipes; the liquid supply mechanism is arranged on one side of the rack and used for conveying cooling liquid into the buffer box. The multiple pushing mechanisms are installed on the belt conveyor at equal intervals. According to the technical scheme, the belt conveyor does not need to be frequently started and stopped, the service life of the belt conveyor is prolonged, accurate alignment of the container and the filling pipe can be achieved, and the filling efficiency of equipment is improved to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling liquid filling technical field, in particular to a kind of fuel cell cooling liquid filling system. BACKGROUND

[0002] Hydrogen fuel cell is the chemical energy of hydrogen and oxygen is directly converted into power generation device, its basic principle is the reverse reaction of electrolysis of water, hydrogen and oxygen are supplied to anode and cathode respectively, hydrogen diffuses outward through anode and electrolyte after reaction, and electron is emitted to reach cathode by external load, so fuel cell only produces water and heat, and it is widely used in automobile field, aerospace and other fields, and because hydrogen fuel cell generates heat when generating electricity, it is usually equipped with corresponding cooling liquid to cool it, glycol type fuel cell coolant is usually used as hydrogen fuel cell cooling medium on the market.

[0003] The patent with authorized announcement number CN220564290U discloses hydrogen fuel cell coolant production and canning line.

[0004] The above-mentioned patent still has the following technical defects: the conveying mechanism needs to be repeatedly started and stopped during work, which reduces the service life of the conveying mechanism. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and proposes a kind of fuel cell cooling liquid filling system.

[0006] The technical scheme of the utility model, a kind of fuel cell cooling liquid filling system, includes:

[0007] Frame, frame is installed with belt conveyor;

[0008] Multiple limit rings, multiple limit rings are distributed at the outer periphery of belt conveyor, and fixed frame is connected between limit ring and belt conveyor;

[0009] Filling mechanism, filling mechanism includes buffer box and multiple filling pipes, sliding hole is opened in frame, buffer box is slidably arranged inside sliding hole, elastic pull rope is connected between buffer box and frame, multiple filling pipes are communicated and set on buffer box, electronic flowmeter and electromagnetic valve are installed on filling pipe;

[0010] Liquid supply mechanism for conveying cooling liquid to the inside of buffer box is arranged on one side of frame;

[0011] Multiple driving mechanisms are equidistantly mounted on the belt conveyor. Each driving mechanism includes a mounting base and a stop block. The mounting base is connected to the outer surface of the belt conveyor. A rotating seat is provided on the mounting base, and a rotating shaft is connected to the stop block. The rotating shaft is rotatably mounted on the rotating seat, and an elastic reset mechanism is installed at the end of the rotating shaft. A connecting block is connected to the bottom of the buffer box, and a pressure sensor is installed on the connecting block. A wedge block is connected to the inner side wall of the frame.

[0012] Preferably, a limit block is installed on the inner side wall of the frame, and a sponge is installed on the limit block.

[0013] Preferably, the liquid supply mechanism includes a coolant storage tank and a hose. A bracket is provided on one side of the frame, the coolant storage tank is mounted on the bracket, and the coolant storage tank and the buffer tank are connected by a hose.

[0014] Preferably, the elastic reset mechanism includes a measuring tape spring mounting housing and a measuring tape spring. The measuring tape spring mounting housing is mounted on a rotating seat, and the end of the rotating shaft is located inside the measuring tape spring mounting housing. The measuring tape spring is mounted inside the measuring tape spring mounting housing and connected to the rotating shaft.

[0015] Preferably, the buffer box is equipped with a top cover.

[0016] Preferably, a PLC controller is installed on the frame, and the PLC controller is electrically connected to the belt conveyor, electronic flow meter, solenoid valve and pressure sensor.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects: the present invention eliminates the need for frequent start-stop operation of the belt conveyor, thereby improving the service life of the belt conveyor, enabling precise alignment of the container and the filling tube, and improving the filling efficiency of the equipment to a certain extent. Attached Figure Description

[0018] Figure 1 and Figure 2 All of these are schematic diagrams of the structure of this utility model.

[0019] Figure 3 This is a schematic diagram of the buffer box and multiple filling tubes in this utility model.

[0020] Figure 4 Figure 1 A magnified schematic diagram of the structure at point A.

[0021] Reference numerals: 1. Frame; 101. Sliding hole; 2. Coolant storage tank; 3. Support; 4. Belt conveyor; 5. Buffer tank; 6. Limiting ring; 7. Fixing frame; 8. Wedge block; 9. Elastic rope; 10. Top cover; 11. Filling pipe; 12. Electronic flow meter; 13. Solenoid valve; 14. Hoses; 15. Connecting block; 16. Pressure sensor; 17. Limiting block; 18. Sponge; 19. Mounting base; 20. Rotating base; 21. Stop block; 22. Measuring tape spring mounting housing. Detailed Implementation

[0022] Example 1

[0023] like Figures 1-4 As shown in the figure, the fuel cell coolant filling system proposed in this embodiment includes a frame 1, a filling mechanism, a liquid supply mechanism, multiple limiting rings 6, and multiple pushing mechanisms.

[0024] A belt conveyor 4 is installed on the frame 1; a PLC controller is installed on the frame 1, and the PLC controller is electrically connected to the belt conveyor 4, the electronic flow meter 12, the solenoid valve 13 and the pressure sensor 16.

[0025] Multiple limiting rings 6 are distributed on the outer periphery of the belt conveyor 4, and a fixing frame 7 connects the limiting rings 6 to the belt conveyor 4.

[0026] The filling mechanism includes a buffer box 5 and multiple filling tubes 11. A sliding hole 101 is provided on the frame 1. The buffer box 5 is slidably disposed inside the sliding hole 101. An elastic pull rope 9 is connected between the buffer box 5 and the frame 1. Multiple filling tubes 11 are connected to the buffer box 5. An electronic flow meter 12 and a solenoid valve 13 are installed on the filling tubes 11.

[0027] The coolant supply mechanism is located on one side of the frame 1 and is used to supply coolant to the buffer tank 5. The coolant supply mechanism includes a coolant storage tank 2 and a hose 14. A bracket 3 is provided on one side of the frame 1. The coolant storage tank 2 is mounted on the bracket 3. The coolant storage tank 2 and the buffer tank 5 are connected by the hose 14. It should be noted that a liquid level sensor is installed inside the coolant storage tank 2. The liquid level sensor is electrically connected to the PLC controller. When the liquid level inside the coolant storage tank 2 is lower than the set threshold, the PLC controller issues a liquid replenishment reminder.

[0028] A plurality of pushing mechanisms are equidistantly mounted on the belt conveyor 4, and the pushing mechanism comprises a mounting seat 19 connected with the outer surface of the belt conveyor 4, a rotating seat 20 provided on the mounting seat 19, and a stop block 21 connected with a rotating shaft rotatably mounted on the rotating seat 20, and the end of the rotating shaft is provided with an elastic reset mechanism, which comprises a tape spring mounting shell 22 mounted on the rotating seat 20, and a tape spring mounted on the inside of the tape spring mounting shell 22 and connected with the rotating shaft, and the tape spring is provided to realize the automatic rotation reset of the stop block 21; the bottom end of the buffer box 5 is connected with a connecting block 15, and the connecting block 15 is provided with a pressure sensor 16; and the inner side wall of the rack 1 is connected with a wedge block 8.

[0029] The buffer box 5 is provided with a top cover 10, and the top cover 10 is provided to prevent the residual liquid in the filling pipe 11 from splashing around during the reset process.

[0030] Specifically, the plurality of limiting rings 6 on the belt conveyor 4 are divided into a plurality of groups, and a plurality of adjacent limiting rings 6 form a group, and the filling container is placed on the inside of the limiting ring 6, and the limiting ring 6 is provided to limit the container, and when the stop block 21 contacts the pressure sensor 16, the pressure sensor 16 feeds back a signal to the PLC controller, and the PLC controller controls the electromagnetic valve 13 to open, at this time, the cooling liquid in the buffer box 5 flows into the container through the filling pipe 11, and the electronic flowmeter 12 is provided to measure the output liquid flow, and when the single filling liquid volume reaches the set value, the PLC controller controls the electromagnetic valve 13 to close, and in this process, the movement of the stop block 21 drives the movement of the connecting block 15, and further drives the movement of the buffer box 5, so that the filling pipe 11 can move with the movement of the container, thereby avoiding the frequent start and stop of the belt conveyor 4, improving the service life of the belt conveyor 4, achieving accurate alignment of the container and the filling pipe 11, and improving the filling efficiency of the equipment to a certain extent.

[0031] In the initial state, the stop block 21 is in close contact with the upper end of the mounting seat 19, and when the stop block 21 contacts the wedge block 8, the stop block 21 rotates, and when the stop block 21 is separated from the pressure sensor 16, the buffer box 5 can be quickly reset under the elastic force of the elastic pull rope 9, thereby realizing the next round of filling work, and finally the filled container is conveyed to the sealing station.

[0032] Example two

[0033] As Figure 4Compared with the first embodiment, the embodiment shown provides a fuel cell coolant filling system, in which a limiting block 17 is installed on the inner side wall of the rack 1, and a sponge 18 is installed on the limiting block 17, the limiting block 17 is used for limiting the buffer box 5, and the sponge 18 can play a buffering and mute role.

[0034] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to this, and various changes can be made within the knowledge range of the skilled in the art without departing from the purpose of the present application.

Claims

1. A fuel cell coolant filling system, characterized by, The utility model relates to a kind of automatic filling machine, including: Frame (1), frame (1) is installed with belt conveyor (4); Multiple limiting rings (6), multiple limiting rings (6) are evenly distributed in the outer periphery of belt conveyor (4), and fixed frame (7) is connected between limiting ring (6) and belt conveyor (4); Filling mechanism, filling mechanism includes buffer box (5) and multiple filling tubes (11), sliding hole (101) is set in frame (1), buffer box (5) is slidably arranged inside sliding hole (101), buffer box (5) is connected with frame (1) by elastic pull rope (9), multiple filling tubes (11) are communicated and arranged on buffer box (5), electronic flowmeter (12) and solenoid valve (13) are installed on filling tube (11); Liquid supply mechanism arranged on one side of frame (1) is used to transport cooling liquid into buffer box (5); Multiple pushing mechanisms, multiple pushing mechanisms are equidistantly installed on belt conveyor (4), and the pushing mechanism includes mounting seat (19) and stop block (21), mounting seat (19) is connected with the outer surface of belt conveyor (4), rotating seat (20) is arranged on mounting seat (19), rotating shaft is connected with stop block (21), rotating shaft is rotatably installed on rotating seat (20), and elastic reset mechanism is installed on the end of rotating shaft;Buffer box (5) is connected with connecting block (15), pressure sensor (16) is installed on connecting block (15);Wedge (8) is connected on the inner side wall of frame (1).

2. The fuel cell coolant filling system of claim 1, wherein Limiting block (17) is installed on the inner side wall of frame (1), and sponge (18) is installed on limiting block (17).

3. The fuel cell coolant filling system of claim 1, wherein The liquid supply mechanism includes a cooling liquid storage tank (2) and a hose (14), and a bracket (3) is arranged on one side of the frame (1). The cooling liquid storage tank (2) is installed on the bracket (3), and the cooling liquid storage tank (2) and the buffer box (5) are connected by the hose (14).

4. The fuel cell coolant filling system of claim 1, wherein The elastic reset mechanism includes a tape spring mounting shell (22) and a tape spring. The tape spring mounting shell (22) is installed on the rotating seat (20), and the rotating shaft is arranged inside the tape spring mounting shell (22). The tape spring is installed inside the tape spring mounting shell (22) and connected with the rotating shaft.

5. The fuel cell coolant filling system of claim 1, wherein A top cover (10) is arranged on the buffer box (5).

6. The fuel cell coolant filling system of claim 1, wherein A PLC controller is installed on the frame (1), and the PLC controller is electrically connected with the belt conveyor (4), the electronic flowmeter (12), the solenoid valve (13), and the pressure sensor (16).

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