High-pressure hydrogen storage integrated bottleneck valve for vehicle

Abstract

The invention discloses a vehicle high-pressure hydrogen storage integrated bottle opening valve, and relates to the technical field of bottle opening valves, the vehicle high-pressure hydrogen storage integrated bottle opening valve comprises a bottle opening valve shell used for sealing a vehicle high-pressure hydrogen storage integrated bottle opening; the bidirectional throttling device is positioned at the bottom of the bottleneck valve shell; the hydrogenation nozzle is positioned on one side of the bottom of the bidirectional throttling device; and the temperature sensor is positioned on the other side of the bottom of the bidirectional throttling device. According to the high-pressure electromagnetic valve, the manual stop valve is a standby stop valve of the high-pressure electromagnetic valve and is used for temporarily and manually cutting off circulation of gas in the gas cylinder; the emergency release valve and the manual stop valve have the same structure, and the difference is that the valve is in a normally closed state and is positioned on the other branch for discharging gas of the gas cylinder; the TPRD is a temperature-driven safety pressure relief device of the high-pressure gas cylinder; the temperature sensor is installed in the gas cylinder and can detect the temperature of gas in the gas cylinder in real time, hydrogenation and hydrogen supply of the high-pressure gas cylinder are conducted through the inlet and outlet connector, and some useless and harmful impurities can be filtered out through the filter in the high-pressure gas cylinder.

Description

Technical Field

[0001] The invention relates to the technical field of bottle mouth valves, in particular to an integrated bottle mouth valve for high-pressure hydrogen storage in a vehicle. Background Art

[0002] The automotive high-pressure hydrogen storage bottle mouth valve (referred to as bottle valve) is a cylinder valve installed on the automotive high-pressure hydrogen storage cylinder, which is composed of main components such as high-pressure solenoid valve, manual stop valve, temperature-driven safety pressure relief device (TPRD), one-way valve and temperature sensor. Its working pressure is not less than 70MPa and the working temperature range is -40℃~85℃.

[0003] In order to improve the convenience of valve body maintenance and make it unnecessary to disassemble and repair, a vehicle high-pressure hydrogen storage bottle combined bottle mouth valve is provided (specifically refer to patent number: 202310494613.4), which includes: a valve body, a solenoid valve is arranged on the valve body, a valve body branch pipe is installed at one end of the solenoid valve, a manual maintenance valve is arranged at the other end of the valve body branch pipe, a thermal pressure relief branch pipe is arranged on one side of the vent pipe, a TPRD thermal pressure relief valve is installed at one end of the thermal pressure relief branch pipe, a thermal pressure relief port adapter is connected to one side of the TPRD thermal pressure relief valve, an outlet pipe, a temperature sensor and an intake nozzle are respectively arranged on the bottom surface of the valve body, and all three are installed in the same annular groove. The present invention reduces the possibility of disassembly during the maintenance of the valve body, reduces the risk of gas leakage due to high temperature of the gas in the hydrogen bottle, improves the safety of the device, and can stabilize the internal air pressure in time.

[0004] However, the existing bottle mouth valves are generally manual or electric, and the two are used separately. There is a lack of a set of bottle mouth valves that include electric, automatic and manual operations at the same time, so that the control and pressure relief effects are poor and the utilization rate is reduced. Summary of the invention

[0005] The purpose of the present invention is to provide a high-pressure integrated bottle mouth combination valve that integrates various module structures and meets all functional requirements of vehicle-mounted hydrogen storage cylinders, and each module is easy to repair and replace.

[0006] To achieve the above object, the present invention provides the following technical solution: a vehicle-used high-pressure hydrogen storage integrated bottle mouth valve, comprising:

[0007] Bottle mouth valve housing, used for sealing the mouth of integrated high-pressure hydrogen storage bottles for vehicles;

[0008] A two-way throttling device is located at the bottom of the bottle mouth valve housing;

[0009] A hydrogenation nozzle is located on one side of the bottom of the two-way throttling device;

[0010] The temperature sensor is located on the other side of the bottom of the two-way throttling device;

[0011] A high-pressure solenoid valve is arranged at one end of the bottle mouth valve housing, an electrical interface is arranged on one side of the high-pressure solenoid valve, a nut is arranged at one end of the high-pressure solenoid valve away from the bottle mouth valve housing, a guide sleeve is arranged inside the high-pressure solenoid valve, a static iron core is embedded at one end of the guide sleeve, an armature is arranged at one end of the static iron core close to the bottle mouth valve housing, a locking gland is arranged at one end of the guide sleeve close to the bottle mouth valve housing, an electromagnetic coil assembly is arranged on the outside of the guide sleeve, a valve core is arranged at one end of the armature away from the static iron core, a sealing ring is embedded at one end of the valve core close to the armature, and one end of the guide sleeve close to the bottle mouth valve housing and away from the locking gland A retaining ring is provided at one end, an O-ring is provided at one end of the retaining ring away from the locking gland, an air outlet is provided on one side of the top of the valve core, an inlet and outlet joints are provided on one side of the bottle mouth valve housing, a hand valve module is provided on one side of the other end of the bottle mouth valve housing, an emergency relief valve module is provided on the other side of the other end of the bottle mouth valve housing, a TPRD module is installed on the other side of the bottle mouth valve housing, a TPRD discharge port is provided on the other end of the other side of the bottle mouth valve housing, an air inlet is provided at the bottom end inside the bottle mouth valve housing, the top end of the hydrogenation nozzle is connected with the bottle mouth valve housing through the air inlet, and an end plug is provided on one side of the bottle mouth valve housing close to the electrical interface.

[0012] As a further solution of the present invention: a mounting groove is provided on the other side of the bottle mouth valve housing, a TPRD discharge hole is provided at the bottom end of one side inside the mounting groove, and the TPRD module is connected to the bottle mouth valve housing through the TPRD discharge hole.

[0013] As a further solution of the present invention: a bottle mouth connecting thread is provided at the bottom of the bottle mouth valve housing, and the two-way throttling device is connected to the bottom thread of the bottle mouth valve housing via the bottle mouth connecting thread.

[0014] As a further solution of the present invention: a filter extending to one side of the bottle mouth valve housing is embedded on the side of the inlet and outlet joints close to the bottle mouth valve housing.

[0015] As a further solution of the present invention: a docking groove is provided at one end of the bottle mouth valve housing, one end of the high-pressure solenoid valve extends to the inside of the docking groove, and the locking gland, the end of the guide sleeve close to the bottle mouth valve housing, the sealing ring, the retaining ring, the O-ring and the valve core are all located inside the docking groove.

[0016] As a further solution of the present invention: a slot is provided at a middle position of the armature near one end of the stationary iron core, a compression spring is provided inside the slot, and the compression spring is located at the adjacent end faces of the stationary iron core and the armature.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] Through the provided bottle mouth valve shell, two-way throttling device, hydrogenation nozzle and temperature sensor, when in use, the bottle valve is installed on the bottle mouth of the high-pressure hydrogen storage cylinder through the bottle mouth connecting thread, and together with the high-pressure gas cylinder, it forms a hydrogen storage system. The main functions of the bottle valve are to control the filling and supply of hydrogen, the detection of the gas temperature in the gas cylinder and the safe discharge of high-pressure gas, etc. Among them, the high-pressure solenoid valve is the main cut-off valve, and the valve is switched by electrical signals; the manual cut-off valve is the backup cut-off valve of the high-pressure solenoid valve, so as to prepare for temporary manual cut-off of the flow of gas in the gas cylinder; the emergency relief valve has the same structure as the manual cut-off valve, but the difference is that the valve is in a normally closed state and is located on another branch of the gas cylinder discharge; TPRD is a temperature-driven safety pressure relief device of the high-pressure gas cylinder; the temperature sensor is installed inside the gas cylinder, which can detect the gas temperature inside the gas cylinder in real time. The hydrogenation and hydrogen supply of the high-pressure gas cylinder are both through the inlet and outlet joints, and its internal filter can filter out some useless and harmful impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 is a cross-sectional view of the present invention;

[0021] Figure 3 It is a partial cross-sectional view of the present invention.

[0022] In the figure: 1. Bottle mouth valve housing; 101. High pressure solenoid valve; 10101. Electrical interface; 10102. Nut; 10103. Solenoid coil assembly; 10104. Stationary iron core; 10105. Compression spring; 10106. Armature; 10107. Guide sleeve; 10108. Locking gland; 10109. Sealing ring; 10110. Retaining ring; 10111. O-ring; 10112. Valve core; 10113. Air outlet; 102. Inlet and outlet joints; 10201. Filter; 103. Hand valve module; 104. Emergency relief valve module; 105. TPRD discharge port; 106. TPRD module; 10601. TPRD discharge hole; 107. Bottle mouth connection thread; 2. Two-way throttling device; 3. Hydrogenation nozzle; 301. Air inlet; 4. Temperature sensor; 5. End plug. DETAILED DESCRIPTION

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

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0025] See also Figures 1 to 3 In an embodiment of the present invention, a vehicle-used high-pressure hydrogen storage integrated bottle mouth valve comprises:

[0026] The bottle mouth valve housing 1 is used for sealing the mouth of the integrated bottle mouth of the vehicle high-pressure hydrogen storage;

[0027] A two-way throttling device 2 is located at the bottom of the bottle mouth valve housing 1;

[0028] The hydrogenation nozzle 3 is located at one side of the bottom of the two-way throttling device 2;

[0029] The temperature sensor 4 is located at the other side of the bottom of the two-way throttling device 2;

[0030] A high-pressure solenoid valve 101 is arranged at one end of the bottle mouth valve housing 1, an electrical interface 10101 is arranged on one side of the high-pressure solenoid valve 101, a nut 10102 is arranged at the end of the high-pressure solenoid valve 101 away from the bottle mouth valve housing 1, a guide sleeve 10107 is arranged inside the high-pressure solenoid valve 101, a static iron core 10104 is embedded at one end inside the guide sleeve 10107, an armature 10106 is arranged at one end of the static iron core 10104 close to the bottle mouth valve housing 1, a locking gland 10108 is arranged at the end of the guide sleeve 10107 close to the bottle mouth valve housing 1, an electromagnetic coil assembly 10103 is arranged on the outside of the guide sleeve 10107, a valve core 10112 is arranged at the end of the armature 10106 away from the static iron core 10104, a sealing ring 10109 is embedded at one end of the valve core 10112 close to the armature 10106, and a sealing ring 10109 is embedded at the outer end of the guide sleeve 10107 close to the bottle mouth valve housing 1. A retaining ring 10110 is provided at one end of the bottle mouth valve housing 1 and away from the locking gland 10108, an O-ring 10111 is provided at one end of the retaining ring 10110 away from the locking gland 10108, an air outlet 10113 is provided on one side of the top of the valve core 10112, an inlet and outlet joint 102 is provided on one side of the bottle mouth valve housing 1, a hand valve module 103 is provided on one side of the other end of the bottle mouth valve housing 1, an emergency relief valve module 104 is provided on the other side of the other end of the bottle mouth valve housing 1, a TPRD module 106 is installed on the other side of the bottle mouth valve housing 1, a TPRD discharge port 105 is provided on the other end of the other side of the bottle mouth valve housing 1, an air inlet 301 is provided at the bottom end inside the bottle mouth valve housing 1, the top end of the hydrogenation nozzle 3 is connected with the bottle mouth valve housing 1 through the air inlet 301, and an end plug 5 is provided on one side of the bottle mouth valve housing 1 close to the electrical interface 10101.

[0031] Please refer to Figure 1 , 2 and 3, a mounting groove is provided on the other side of the bottle mouth valve housing 1, a TPRD discharge hole 10601 is provided at the bottom end of one side inside the mounting groove, and the TPRD module 106 is connected to the bottle mouth valve housing 1 through the TPRD discharge hole 10601.

[0032] Please refer to Figure 1 , 2 and 3. A bottle mouth connecting thread 107 is provided at the bottom of the bottle mouth valve housing 1 , and the two-way throttling device 2 is threadably connected to the bottom of the bottle mouth valve housing 1 via the bottle mouth connecting thread 107 .

[0033] Please refer to Figure 1 , 2 and 3. A filter 10201 extending to one side of the bottle mouth valve housing 1 is embedded on one side of the inlet and outlet joint 102 close to the bottle mouth valve housing 1.

[0034] Please refer to Figure 1 , 2and 3, a docking groove is provided at one end of the bottle mouth valve housing 1, one end of the high pressure solenoid valve 101 extends to the inside of the docking groove, and the locking gland 10108, the end of the guide sleeve 10107 close to the bottle mouth valve housing 1, the sealing ring 10109, the retaining ring 10110, the O-ring 10111 and the valve core 10112 are all located inside the docking groove.

[0035] Please refer to Figure 1 , 2 3. A slot is provided at the middle position of the armature 10106 near one end of the static iron core 10104. A compression spring 10105 is provided inside the slot, and the compression spring 10105 is located on the adjacent end faces of the static iron core 10104 and the armature 10106.

[0036] The working principle of the present invention is: the bottle valve is installed on the bottle mouth of the high-pressure hydrogen storage bottle through the bottle mouth connecting thread 107, and together with the high-pressure gas cylinder, it forms a hydrogen storage system. The main functions of the bottle valve are to control the filling and supply of hydrogen, the detection of the gas temperature in the gas cylinder and the safe discharge of high-pressure gas, etc. Among them, the high-pressure solenoid valve 101 is the main cut-off valve, and the valve is switched by an electrical signal; the manual cut-off valve is a spare cut-off valve of the high-pressure solenoid valve 101, so as to temporarily manually cut off the circulation of the gas in the gas cylinder; the emergency relief valve has the same structure as the manual cut-off valve, but the difference is that the valve is in a normally closed state and is located on another branch of the gas discharge of the gas cylinder; TPRD is a temperature-driven safety pressure relief device of the high-pressure gas cylinder; the temperature sensor 4 is installed inside the gas cylinder, which can detect the gas temperature inside the gas cylinder in real time. The hydrogenation and hydrogen supply of the high-pressure gas cylinder are both through the inlet and outlet joints 102, and its internal filter 10201 can filter out some useless and harmful impurities.

[0037] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-pressure hydrogen storage integrated bottle mouth valve for vehicles, characterized in that: include: The bottle mouth valve housing (1) is used for sealing the mouth of a high-pressure hydrogen storage integrated bottle for a vehicle; A two-way throttling device (2) is located at the bottom of the bottle mouth valve housing (1); A hydrogenation nozzle (3) is located on one side of the bottom of the two-way throttling device (2); A temperature sensor (4) is located on the other side of the bottom of the two-way throttling device (2); A high-pressure solenoid valve (101) is arranged at one end of the bottle mouth valve housing (1), an electrical interface (10101) is arranged on one side of the high-pressure solenoid valve (101), a nut (10102) is arranged at one end of the high-pressure solenoid valve (101) away from the bottle mouth valve housing (1), a guide sleeve (10107) is arranged inside the high-pressure solenoid valve (101), a static iron core (10104) is embedded at one end of the guide sleeve (10107), and the static iron core (10104) is arranged at one end close to the bottle mouth valve housing (1). The invention relates to a valve body having an armature (10106), a locking gland (10108) is arranged on the outer end of the guide sleeve (10107) close to the bottle mouth valve housing (1), an electromagnetic coil assembly (10103) is arranged on the outer side of the guide sleeve (10107), a valve core (10112) is arranged on the end of the armature (10106) away from the static iron core (10104), a sealing ring (10109) is embedded on the outer end of the valve core (10112) close to the armature (10106), and a sealing ring (10109) is embedded on the outer end of the guide sleeve (10107) close to the bottle mouth valve housing (1). A retaining ring (10110) is provided at one end of the bottle mouth valve housing (1) and at one end away from the locking gland (10108); an O-ring (10111) is provided at one end of the retaining ring (10110) away from the locking gland (10108); an air outlet (10113) is provided at one side of the top of the valve core (10112); an inlet and outlet joint (102) is provided at one side of the bottle mouth valve housing (1); a hand valve module (103) is provided at one side of the other end of the bottle mouth valve housing (1); and a valve assembly (10101) is provided at one end of the bottle mouth valve housing (1). An emergency relief valve module (104) is provided on the other side of the bottle mouth valve housing (1), a TPRD module (106) is installed on the other side of the bottle mouth valve housing (1), a TPRD discharge port (105) is provided on the other end of the other side of the bottle mouth valve housing (1), an air inlet (301) is provided at the bottom end of the bottle mouth valve housing (1), the top end of the hydrogenation nozzle (3) is connected to the bottle mouth valve housing (1) through the air inlet (301), and an end plug (5) is provided on one end of the bottle mouth valve housing (1) close to the electrical interface (10101).

2. The vehicle-used high-pressure hydrogen storage integrated bottle mouth valve according to claim 1, characterized in that: A mounting groove is provided on the other side of the bottle mouth valve housing (1), a TPRD discharge hole (10601) is provided at the bottom end of one side inside the mounting groove, and the TPRD module (106) is connected to the bottle mouth valve housing (1) via the TPRD discharge hole (10601).

3. The vehicle-used high-pressure hydrogen storage integrated bottle mouth valve according to claim 1, characterized in that: The bottom of the bottle mouth valve housing (1) is provided with a bottle mouth connecting thread (107), and the two-way throttling device (2) is connected to the bottom thread of the bottle mouth valve housing (1) via the bottle mouth connecting thread (107).

4. The vehicle-used high-pressure hydrogen storage integrated bottle mouth valve according to claim 1, characterized in that: A filter (10201) extending to one side of the bottle mouth valve housing (1) is embedded on the side of the inlet and outlet joint (102) close to the bottle mouth valve housing (1).

5. The vehicle-used high-pressure hydrogen storage integrated bottle mouth valve according to claim 1, characterized in that: One end of the bottle mouth valve housing (1) is provided with a docking groove, one end of the high-pressure solenoid valve (101) extends into the interior of the docking groove, and the locking gland (10108), one end of the guide sleeve (10107) close to the bottle mouth valve housing (1), the sealing ring (10109), the retaining ring (10110), the O-ring (10111) and the valve core (10112) are all located inside the docking groove.

6. The vehicle-used high-pressure hydrogen storage integrated bottle mouth valve according to claim 1, characterized in that: The armature (10106) is provided with a slot at a middle position near one end of the static iron core (10104), a compression spring (10105) is provided inside the slot, and the compression spring (10105) is located on the end surface adjacent to the static iron core (10104) and the armature (10106).

Images