Gas circuit device
By designing the gas circuit device of water tank and liquid level sensor in the electrical stimulation equipment, the dry-wet separation and air tightness of liquid medium in the gas circuit device are solved, and the stability and dry-wet separation effect of the gas circuit system are achieved.
Patent Information
- Application Number
- CN202420827281.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-22
AI Technical Summary
In electrical stimulation equipment, the pressure stability of the gas circuit device is difficult to ensure, and the presence of liquid medium in the gas circuit pipeline leads to a problem of dry and wet separation, affecting the air tightness.
An air circuit device is designed, including a water tank and a cover plate, which can achieve dry and wet separation through a liquid level sensor, and a water tank is used as a transfer member to prevent liquid media from entering the gas circuit pipeline and ensure air tightness. The liquid level sensor is set inclined or vertically to prevent liquid media from splashing and high negative pressure pulses from entering, ensuring the stability of the gas circuit system.
It effectively realizes dry and wet separation of liquid media, prevents liquid media from entering the gas pipeline, ensures the air tightness and pressure stability of the gas circuit device, and avoids the problem of liquid media entering due to high negative pressure pulses.
Smart Images

Figure CN222256149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas path equipment, in particular to a gas path device. Background Art
[0002] The gas circuit device mainly consists of equipment such as a conveying pipeline, a storage device and a negative pressure driver. In actual applications, the conveying pipeline can transport liquid conductive media and air. The storage device can be used as a liquid storage device or a ventilation adapter, and plays a major role in the gas circuit system. Under the action of the negative pressure driver, the entire gas circuit system is in a negative pressure state.
[0003] The entire air path device needs to pass through multiple components, and the stability of pressure is often difficult to ensure. The stability of pressure mainly depends on the air tightness of the entire air path device. There is also liquid medium in the air path pipeline in the electrical stimulation device, which leads to the need for effective dry and wet separation of the air path device and prevention of liquid medium from entering the air path pipeline. Therefore, an air path device is proposed. Summary of the invention
[0004] The utility model aims to solve the technical problem of dry and wet partitioning of an air path device in an electrical stimulation device in the prior art, thereby proposing an air path device.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an air circuit device, including an adsorbent for electrical stimulation, a water tank and a cover plate installed on the upper end of the water tank, and a delivery pipe for connecting the adsorbent and the water tank; an air circuit joint and a liquid level sensor passing through the cover plate are provided on the cover plate; the air circuit joint includes a second pipe joint for connecting the delivery pipe and a third pipe joint for gas transmission, wherein the lower end of the liquid level sensor is placed inside the water tank, and when the conductive liquid medium in the water tank reaches the alarm water level, the liquid level sensor sounds an alarm; a first pipe joint for drainage is also installed on the water tank.
[0006] Preferably, the liquid level sensor is placed between the second pipe joint and the third pipe joint, so that the second pipe joint and the third pipe joint are isolated from each other.
[0007] Preferably, the liquid level sensor is arranged obliquely or vertically. When the liquid level sensor is arranged obliquely, the lower end of the liquid level sensor points to the axis of the second pipe joint.
[0008] Preferably, the height of the first pipe joint is lower than the height of the alarm water level.
[0009] Preferably, the central axis of the first pipe joint is arranged horizontally and close to the bottom end of the water tank.
[0010] Preferably, the gas circuit connector further comprises a fourth pipe connector, and a drain pipe is connected between the fourth pipe connector and the first pipe connector; a detachable plugging cover is also installed on the drain pipe, and the conductive medium in the water tank can be discharged by removing the plugging cover.
[0011] Preferably, the third pipe joint is used to connect a negative pressure driving component, and the negative pressure driving component is a vacuum pump.
[0012] Preferably, the third pipe joint is connected to an exhaust pipe, and the third pipe joint is sequentially connected to a first one-way valve, a vacuum pump, a second one-way valve and an exhaust joint via the exhaust pipe, and a pressure sensor and a solenoid valve are arranged between the first one-way valve and the third pipe joint, wherein the pressure sensor and the solenoid valve are both installed in the exhaust pipe.
[0013] Preferably, the lower end surface of the cover plate is provided with a third protrusion in an annular structure, the inner wall of the third protrusion is provided with a flat section, and a fourth protrusion matching in size and shape is installed inside, wherein the fourth protrusion is arranged on the axis of the liquid level sensor; the bottom end of the groove is also provided with a second fastener, wherein the second fastener is installed on the liquid level sensor, and the liquid level sensor is fixed to the cover plate by rotating the second fastener.
[0014] Preferably, a second protrusion is provided at the edge of the cover plate; a first protrusion corresponding to the second protrusion is provided at the side end of the water tank, and a first fastener for fixing the cover plate to the water tank is installed on the second protrusion.
[0015] Preferably, a groove for assembly is provided at the upper end of the cover plate, wherein the gas circuit connector and the liquid level sensor are both installed in the groove.
[0016] Beneficial effects: In the technical solution, the adsorbent is connected to the cover plate above the water tank via a delivery pipe, and the liquid medium in the delivery pipe gathers at the bottom of the water tank due to its own gravity, and the gas in the delivery pipe is output through the gas path joint; by setting the water tank as a transfer piece for dry-wet separation, the liquid medium in the adsorbent is convenient to be discharged, and the water tank is used to realize the dry-wet separation design, and the air tightness of the adsorbent is guaranteed under negative pressure; the liquid level sensor is tilted or vertically set, and when the liquid level sensor is tilted, the lower end of the liquid level sensor points to the axis of the second pipe joint, and the liquid level sensor can also drain the conductive medium gathered on the liquid level sensor into the water tank, so as to prevent the conductive liquid medium from splashing when injected into the water tank, and also prevent the splashed conductive medium from entering the third pipe joint due to high negative pressure pulse. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a structural schematic diagram of a gas path device proposed by the utility model;
[0018] Figure 2 This is a partial structural schematic diagram of a gas path device proposed by the utility model;
[0019] Figure 3 for Figure 2 Enlarged view of point A.
[0020] Legend:
[0021] 1. Water tank; 11. First protrusion; 12. First pipe joint; 121. Drain pipe; 122. Sealing cover; 2. Cover plate; 20. Groove; 21. Second protrusion; 22. Second pipe joint; 23. Third pipe joint; 24. Fourth pipe joint; 25. Third protrusion; 31. First fastener; 32. Second fastener; 4. Liquid level sensor; 41. Fourth protrusion; 51. Pressure sensor; 52. Solenoid valve; 61. First one-way valve; 62. Second one-way valve; 7. Vacuum pump; 8. Exhaust pipe; 81. Exhaust joint; 9. Adsorbent; 91. Delivery pipe. DETAILED DESCRIPTION
[0022] 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.
[0023] In the description of the present utility model, 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, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0024] Reference Figure 1-3The utility model provides an embodiment of an air path device, comprising an adsorbent 9 for electrical stimulation, a water tank 1, a cover plate 2 installed at the upper end of the water tank 1, and a delivery pipe 91 for connecting the adsorbent 9 and the water tank 1; the adsorbent 9 in this embodiment is used to install a sponge for adsorbing a conductive medium, and the adsorbent 9 can transport the conductive medium to the water tank 1 through the delivery pipe 91 by negative pressure, wherein the water tank 1 serves as a transfer piece for dry-wet separation, so that the liquid medium in the adsorbent 9 is conveniently discharged, and at the same time, the water tank 1 is used to realize the dry-wet separation design of the air path device, and the air tightness of the adsorbent 9 is ensured under negative pressure;
[0025] The water tank and the cover plate 2 are detachably connected, and the cover plate 2 is provided with an air path connector and a liquid level sensor 4 penetrating the cover plate 2;
[0026] The gas circuit connector includes a second pipe connector 22 for connecting the delivery pipe 91 and a third pipe connector 23 for gas delivery; in this embodiment, the third pipe connector 23 is preferably used to connect the negative pressure driving member;
[0027] The liquid level sensor 4 is placed between the second pipe joint 22 and the third pipe joint 23, so that the second pipe joint 22 and the third pipe joint 23 are isolated from each other, so as to prevent the negative pressure under the action of the high-voltage pulse from sucking the conductive liquid medium injected into the second pipe joint 22 into the third pipe joint 23, wherein the liquid level sensor 4 can also drain the conductive medium gathered on the liquid level sensor 4 into the water tank 1, so as to prevent the conductive liquid medium from splashing when injected into the water tank 1, and also prevent the splashed conductive medium from entering the third pipe joint 23 due to the high negative pressure pulse;
[0028] The lower end of the liquid level sensor 4 is placed inside the water tank 1. When the conductive liquid medium in the water tank 1 reaches the alarm water level, the liquid level sensor 4 sends out an alarm.
[0029] The water tank 1 is also provided with a first pipe joint 12 for drainage; preferably, the height of the first pipe joint 12 is lower than the height of the alarm water level, so that the conductive medium in the water tank 1 can be easily discharged.
[0030] In this embodiment, the adsorption component 9 is an adsorption bowl with an electrical stimulation function; the liquid level sensor 4 is arranged at an angle or vertically. When the liquid level sensor 4 is arranged at an angle, the lower end of the liquid level sensor 4 points to the axis of the second pipe joint 22; preferably, the central axis of the first pipe joint 12 is arranged horizontally and close to the bottom end of the water tank 1; in this embodiment, the water tank 1 is used to store the conductive medium. When the liquid level sensor 4 prompts that the water tank 1 needs to be drained, the drain pipe 121 connected to the first pipe joint 12 can be directly opened to drain the liquid, thereby preventing the liquid level of the conductive liquid medium inside the water tank 1 from being too high and affecting the negative pressure suction of the third pipe joint 23.
[0031] As a further improved embodiment, a groove 20 for assembly is provided at the upper end of the cover plate 2 , wherein the gas circuit connector and the liquid level sensor 4 are both installed in the groove 20 .
[0032] As a further improved embodiment, the gas circuit joint further includes a fourth pipe joint 24, and a drain pipe 121 is connected between the fourth pipe joint 24 and the first pipe joint 12; the fourth pipe joint 24 and the first pipe joint 12 are connected through the drain pipe 121, and the air tightness of the water tank 1 is not affected;
[0033] The drain pipe 121 is also provided with a detachable plugging cover 122 , and the conductive medium in the water tank 1 can be discharged by removing the plugging cover 122 .
[0034] As a further improved embodiment, the negative pressure driving member is a vacuum pump 7, the third pipe joint 23 is connected to an exhaust pipe 8, and the third pipe joint 23 is sequentially connected to a first one-way valve 61, a vacuum pump 7, a second one-way valve 62 and an exhaust joint 81 through the exhaust pipe 8, and a pressure sensor 51 and a solenoid valve 52 are arranged between the first one-way valve 61 and the third pipe joint 23, wherein the pressure sensor 51 and the solenoid valve 52 are both installed in the exhaust pipe 8. In this embodiment, the adsorbent 9 and the water tank 1 are both in a vacuum negative pressure state, and the air pressure on the left side of the first one-way valve 61 and the second one-way valve 62 is smaller than the air pressure on the right side, wherein the first one-way valve 61 and the second one-way valve 62 function to prevent the gas in the exhaust pipe 8 from flowing back, so the gas at the exhaust joint 81 and the vacuum pump 7 cannot flow back, thereby keeping the pressure of the adsorbent 9 stable. In addition, the adsorbent 9 can absorb the detergent and inject it into the water tank through the delivery pipe 91 and the second pipe joint 22 on the cover plate 2, so as to clean the water tank 1 and the delivery pipe 91.
[0035] As a further improved embodiment, the lower end surface of the cover plate 2 is provided with a third protrusion 25 in an annular structure. Preferably, the third protrusion 25 and the cover plate 2 are integrally connected.
[0036] The inner wall of the third protrusion 25 is provided with a flat section, and a fourth protrusion 41 of matching size and shape is installed inside, wherein the fourth protrusion 41 is arranged on the axis of the liquid level sensor 4;
[0037] The fourth protrusion 41 and the liquid level sensor 4 are integrally connected or detachably connected;
[0038] The bottom end of the groove 20 is also provided with a second fastener 32, wherein the second fastener 32 is mounted on the liquid level sensor 4. In this embodiment, the fourth protrusion 41 is provided to abut against the third protrusion 25, and the liquid level sensor 4 is fixed to the cover plate 2 by rotating the second fastener 32. The second fastener 32 in this embodiment is preferably a fastening nut.
[0039] As a further improved embodiment, a second protrusion 21 is provided at the edge of the cover plate 2;
[0040] The side end of the water tank 1 is provided with a first protrusion 11 corresponding to the second protrusion 21, and the second protrusion 21 is provided with a first fastener 31 for fixing the cover plate 2 to the water tank 1. In this embodiment, the first fastener 31 is preferably a fastening screw.
[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 gas path device, characterized in that: The invention comprises an adsorbent (9) for electrical stimulation, a water tank (1), a cover plate (2) mounted on the upper end of the water tank (1), and a delivery pipe (91) for connecting the adsorbent (9) and the water tank (1); the cover plate (2) is provided with an air path joint and a liquid level sensor (4) penetrating the cover plate (2); the air path joint comprises a second pipe joint (22) for connecting the delivery pipe (91) and a third pipe joint (23) for gas transmission, wherein the lower end of the liquid level sensor (4) is placed inside the water tank (1), and when the conductive liquid medium in the water tank (1) reaches the alarm water level, the liquid level sensor (4) issues an alarm; the water tank (1) is also provided with a first pipe joint (12) for drainage.
2. The gas path device according to claim 1, characterized in that: The liquid level sensor (4) is disposed between the second pipe joint (22) and the third pipe joint (23), so that the second pipe joint (22) and the third pipe joint (23) are isolated from each other.
3. The gas path device according to claim 2, characterized in that: The liquid level sensor (4) is arranged obliquely or vertically. When the liquid level sensor (4) is arranged obliquely, the lower end of the liquid level sensor (4) points to the axis of the second pipe joint (22).
4. The gas path device according to claim 1, characterized in that: The height of the first pipe joint (12) is lower than the height of the alarm water level.
5. The gas path device according to claim 4, characterized in that: The central axis of the first pipe joint (12) is arranged horizontally and is close to the bottom end of the water tank (1).
6. The gas path device according to claim 1, characterized in that: The gas circuit joint further comprises a fourth pipe joint (24), a drainage pipe (121) being connected between the fourth pipe joint (24) and the first pipe joint (12); a detachable sealing cover (122) is also mounted on the drainage pipe (121), and the conductive medium in the water tank (1) can be discharged by removing the sealing cover (122).
7. The gas path device according to claim 1, characterized in that: The third pipe joint (23) is used to connect a negative pressure driving component, and the negative pressure driving component is a vacuum pump (7).
8. The gas path device according to any one of claims 1 to 7, characterized in that: The third pipe joint (23) is connected to an exhaust pipe (8), and the third pipe joint (23) is connected to a first one-way valve (61), a vacuum pump (7), a second one-way valve (62) and an exhaust joint (81) in sequence via the exhaust pipe (8). A pressure sensor (51) and a solenoid valve (52) are provided between the first one-way valve (61) and the third pipe joint (23), wherein the pressure sensor (51) and the solenoid valve (52) are both installed in the exhaust pipe (8).
9. The gas path device according to claim 1, characterized in that: The lower end surface of the cover plate (2) is provided with a third protrusion (25) in an annular structure, the inner wall of the third protrusion (25) is provided with a flat section, and a fourth protrusion (41) of matching size and shape is installed inside, wherein the fourth protrusion (41) is arranged on the axis of the liquid level sensor (4); the upper end of the cover plate (2) is provided with a groove (20) for assembly, wherein the gas path connector and the liquid level sensor (4) are both installed in the groove (20); the bottom end of the groove (20) is also provided with a second fastener (32), wherein the second fastener (32) is installed on the liquid level sensor (4), and the liquid level sensor (4) is fixed to the cover plate (2) by rotating the second fastener (32).
10. The gas path device according to claim 1, characterized in that: A second protrusion (21) is provided at the edge of the cover plate (2); a first protrusion (11) corresponding in position to the second protrusion (21) is provided at the side end of the water tank (1); and a first fastener (31) for fixing the cover plate (2) to the water tank (1) is mounted on the second protrusion (21).
11. The gas path device according to claim 1, characterized in that: The upper end of the cover plate (2) is provided with a groove (20) for assembly, wherein the gas path connector and the liquid level sensor (4) are both installed in the groove (20).