CN211289572U - A gas internal pressure regulating device - Google Patents

Abstract

A gas internal pressure regulating device, comprising a box body, a feed pipe, a discharge pipe and a first valve, the outer circumference of the box body is fixedly installed with a feed pipe, the outer circumference of the box body is fixedly installed with a discharge pipe, and the outer circumference of the discharge pipe is provided with There is a first valve, an electric valve is arranged on the outer periphery of the feeding pipe, a controller is arranged on the outer side of the box body, and the electric valve is connected with the controller circuit. The utility model only has several components such as a box body, an electric valve, a diaphragm, a sensor, etc., and the various components cooperate with each other to achieve the function of internal gas pressure relief and regulation, and the structure is simple. The utility model can realize automatic pressure relief through the structures of sensors, controllers, electric valves, etc., without requiring the user to manually open the valve for pressure relief, save time, and can quickly and timely adjust the internal pressure of the gas. The diaphragm can isolate the gas from the sensor, preventing the occurrence of dangerous accidents when the circuit of the sensor fails, and the utility model has high safety and reliability.

Description

A gas internal pressure regulating device

technical field

The utility model belongs to the field of pressure regulating equipment, in particular to a gas internal pressure regulating device.

Background technique

As a clean energy, gas is widely used in people's daily life. In the process of gas production, the gas storage tank needs to withstand a large pressure. The pressure inside the storage tank is often unstable and easily disturbed by the external temperature. When the external temperature rises, the gas molecules inside the storage tank will It is more active, resulting in an increase in the internal pressure of the storage tank. When the storage tank is in an overloaded working state for a long time, it is easy to cause damage to the storage tank. If the tank body of the storage tank is ruptured, it will lead to gas leakage or even explosion. The occurrence of dangerous accidents. The existing pressure regulating systems are all equipped with pressure regulating valves, but workers are required to manually adjust the pressure regulating valves, which is labor-intensive, time-consuming, and cannot be released in time.

Utility model content

The utility model provides a gas internal pressure regulating device, which is used to solve the defects in the prior art.

The utility model is realized through the following technical solutions:

A gas internal pressure regulating device, comprising a box body, a feed pipe, a discharge pipe and a first valve, the outer circumference of the box body is fixedly installed with a feed pipe, the outer circumference of the box body is fixedly installed with a discharge pipe, and the outer circumference of the discharge pipe is provided with There is a first valve, an electric valve is arranged on the outer periphery of the feeding pipe, a controller is arranged on the outer side of the box, the electric valve is connected with the controller circuit, and the outer circumference of the feeding pipe can be detachably installed with a sleeve, and the sleeve is located below the electric valve , An elastic diaphragm is fixedly installed in the sleeve, a sensor is fixedly installed in the sleeve, and the sensor is connected with the controller circuit.

In the above-mentioned gas internal pressure regulating device, a connecting pipe is fixedly installed on the outer circumference of the feed pipe, one end of the connecting pipe is fixedly installed with a joint, the outer circumference of the joint is provided with a thread on one end of the inner wall of the threaded sleeve, and the joint is connected with the joint. The sleeve is threaded, and a sealing ring is arranged between the sleeve and the joint, and a second valve is arranged on the outer periphery of the connecting pipe.

A gas internal pressure regulating device as described above, the sensor is a through-beam photoelectric sensor, the through-beam photoelectric sensor includes a light transmitter and a receiver, and the light transmitter and the receiver are fixedly installed on the sleeve. on the inner wall, and the light transmitter and the receiver are arranged opposite to each other.

In the above-mentioned gas internal pressure regulating device, the diaphragm is a rubber diaphragm, such as an EPDM rubber diaphragm.

In the above-mentioned gas internal pressure regulating device, the first valve and the second valve are both ball valves.

In the above-mentioned gas internal pressure regulating device, when the joint is installed with the sleeve, the outer peripheral thread surface of the joint is wrapped with sealing tape for several weeks.

The advantages of the utility model are: when the utility model is used, the sleeve and the joint are first connected, and the second valve is opened after the sleeve is installed, and the first valve and the electric valve are both closed at this time. When the internal pressure of the gas storage tank is too large, the diaphragm is deformed under the action of the gas pressure, as shown by the dotted line in the figure, when a part of the diaphragm blocks the sensor, the sensor generates an electrical signal, and the sensor transmits the signal to the controller , the controller controls the electric valve to open. At this time, the gas in the gas storage tank can enter the box through the feed pipe, and the pressure is relieved by reducing the content of the gas in the gas storage tank, so as to achieve the purpose of internal gas pressure relief regulation. . When the pressure in the gas storage tank decreases, the deformation of the diaphragm decreases. When the diaphragm no longer blocks the sensor, the sensor transmits the generated signal to the controller, and the controller controls the electric valve to close. The user can transfer the gas temporarily stored in the box to other storage tanks for storage through the discharge pipe, so as to ensure that the gas will not be wasted. The distance between the diaphragm and the sensor is the deformation of the diaphragm when the internal gas pressure reaches the pressure relief requirement. Users can adapt to different pressure requirements by replacing the sleeve with different distances between the diaphragm and the sensor. For threaded connection, the user only needs to turn the sleeve to disassemble the sleeve, and the operation is simple and convenient. The utility model only has several components such as a box body, an electric valve, a diaphragm, a sensor, etc., and the various components cooperate with each other to achieve the function of internal gas pressure relief and regulation, and the structure is simple. The utility model can realize automatic pressure relief through the structures of sensors, controllers, electric valves, etc., without requiring the user to manually open the valve for pressure relief, save time, and can quickly and timely adjust the internal pressure of the gas. The diaphragm can isolate the gas from the sensor, preventing the occurrence of dangerous accidents when the circuit of the sensor fails, and the utility model has high safety and reliability.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description The drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

Fig. 1 is a schematic structural diagram of the present invention; Fig. 2 is an enlarged view of part I of Fig. 1; Fig. 3 is a circuit module diagram of the present invention.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

A gas internal pressure regulating device, as shown in the figure, includes a box body 1, a feed pipe 2, a discharge pipe 3 and a first valve 4. The outer circumference of the box body 1 is fixedly installed with a feed pipe 2. One end is fixedly connected to the bottom surface of the box 1, the other end of the feed pipe 2 is fixedly connected to the gas storage tank, and the feed pipe 2 is communicated with the inside of the box 1 and the gas storage tank, and the outer periphery of the box 1 is fixedly installed. The feeding pipe 3 and the discharging pipe 3 communicate with the inside of the box body 1, the outer periphery of the discharging pipe 3 is provided with a first valve 4, the outer periphery of the feeding pipe 2 is provided with an electric valve 5, and the outer side of the box body 1 is provided with a controller, The controller is a single-chip microcomputer. The single-chip microcomputer is fixedly installed on the outside of the box body 1. The electric valve 5 is connected to the controller circuit. Below the sleeve 6, an elastic diaphragm 7 is fixedly installed, and a sensor 8 is fixedly installed in the sleeve 6. The sensor 8 is located on the right side of the diaphragm, and the sensor 8 is connected to the controller circuit. When the utility model is used, the sleeve 6 and the joint 10 are first connected, and after the sleeve 6 is installed, the second valve 11 is opened, and the first valve 4 and the electric valve 5 are both closed at this time. When the internal pressure of the gas storage tank is too large, the diaphragm 7 is deformed under the action of the gas pressure, as shown by the dotted line in Figure 2, when a part of the diaphragm 7 blocks the sensor 8, the sensor 8 generates an electrical signal, and the sensor 8 The signal is transmitted to the controller, and the controller controls the electric valve 5 to open. At this time, the gas in the gas storage tank can enter the box 1 through the feeding pipe 2, and the gas in the gas storage tank can be discharged by reducing the content of the gas. pressure to achieve the purpose of internal gas pressure relief regulation. When the pressure in the gas storage tank decreases, the deformation of the diaphragm 7 decreases. When the diaphragm 7 no longer blocks the sensor 8, the sensor 8 transmits the generated signal to the controller, and the controller controls the electric valve 5 to perform closure. The user can transfer the gas temporarily stored in the box 1 to other storage tanks for storage through the discharge pipe 3, so as to ensure that the gas will not be wasted. The distance between the diaphragm 7 and the sensor 8 is the deformation of the diaphragm 7 when the internal gas pressure reaches the pressure relief requirement. The user can adapt to different pressures by replacing the sleeve 6 with different distances between the diaphragm 7 and the sensor 8. It is required that the sleeve 6 and the joint 10 are threadedly connected, and the user only needs to rotate the sleeve 6 to disassemble the sleeve 6, which is simple and convenient to operate. The utility model only has several components such as a box body 1, an electric valve 5, a diaphragm 7, a sensor 8, etc., and the various components cooperate with each other to achieve the function of internal gas pressure relief regulation, and the structure is simple. The utility model can realize automatic pressure relief through the structures of the sensor 8, the controller, the electric valve 5, etc., and does not require the user to manually open the valve for pressure relief, saves time, and can quickly and timely adjust the internal pressure of the gas. The diaphragm 7 can isolate the gas from the sensor 8 to prevent the occurrence of dangerous accidents when the circuit of the sensor 8 fails. The safety and reliability of the present invention are high.

Specifically, as shown in FIG. 2 , a connecting pipe 9 is fixedly installed on the outer periphery of the feeding pipe 2 described in this embodiment, and one end of the connecting pipe 9 is fixedly installed with a joint 10 , the joint 10 is hollow inside, and both ends of the joint 10 are The outer circumference of the joint 10 is provided with a thread, and one end of the inner wall of the sleeve 6 is provided with a thread, the thread is located at the opening of the sleeve 6, the joint 10 is threadedly matched with the sleeve 6, and a sealing ring is arranged between the sleeve 6 and the joint 10 , the outer periphery of the connecting pipe 9 is provided with a second valve 11 . This structural design can facilitate the user to disassemble and install the sleeve 6. The user can adapt to different pressure requirements by replacing the sleeve 6 with different distances between the diaphragm 7 and the sensor 8. When replacing the sleeve 6, the user can close the second Valve 11 prevents gas leakage.

Specifically, as shown in FIG. 2 , the sensor 8 described in this embodiment is a through-beam photoelectric sensor. The through-beam photoelectric sensor includes an optical transmitter and a receiver. The optical transmitter and the receiver are fixedly mounted on the sleeve. 6 on the inner wall, and the light transmitter and the receiver are arranged oppositely. The receiver can receive the light signal under unobstructed condition, but when the light is blocked, the photoelectric switch will act and output the signal to the controller. The sensitivity of the through-beam photoelectric sensor is high. When the sensor 8 is blocked by the diaphragm 7, the sensor 8 Signals can be transmitted to the controller in time, and the controller controls the electric valve 5 to open in time to perform pressure relief treatment inside the gas.

Further, as shown in FIG. 2 , the diaphragm described in this embodiment is a rubber diaphragm, such as an EPDM rubber diaphragm. The rubber diaphragm has high working reliability, good composite property, long working life and low cost, which can improve the reliability and service life of the utility model, and can reduce the production cost.

Further, as shown in FIG. 1 , the first valve 4 and the second valve 11 in this embodiment are both ball valves. The ball valve will not be stuck when working without lubricant, and the ball valve can bear relatively large pressure, which can improve the reliability of the utility model.

Furthermore, as shown in FIG. 2 , when the joint 10 in this embodiment is installed with the sleeve 6 , the outer peripheral thread surface of the joint 10 is wrapped with sealing tape for several weeks. The sealing tape can fill the gap between the joint 10 and the threaded connection of the sleeve 6, thereby improving the sealing performance of the present invention.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit of the technical solutions of the embodiments of the present invention and range.

Claims (6)

1. A gas internal pressure regulating device, comprising a box body (1), a feed pipe (2), a discharge pipe (3) and a first valve (4), and a feed pipe is fixedly installed on the outer periphery of the box body (1). (2), a discharge pipe (3) is fixedly installed on the outer circumference of the box body (1), and a first valve (4) is arranged on the outer circumference of the discharge pipe (3), which is characterized in that: the outer circumference of the feed pipe (2) is provided with a first valve (4). There is an electric valve (5), a controller is provided on the outside of the box (1), the electric valve (5) is connected with the controller circuit, and the outer periphery of the feeding pipe (2) is detachably installed with a sleeve (6), and the sleeve ( 6) Below the electric valve (5), the elastic diaphragm (7) is fixedly installed in the sleeve (6), the sensor (8) is fixedly installed in the sleeve (6), the sensor (8) and the controller circuit connect. 2 . The gas internal pressure regulating device according to claim 1 , wherein a connecting pipe ( 9 ) is fixedly installed on the outer periphery of the feeding pipe ( 2 ), and a joint is fixed at one end of the connecting pipe ( 9 ). 3 . (10), the outer circumference of the joint (10) is provided with a threaded sleeve (6) and one end of the inner wall is provided with a thread, the joint (10) is threaded with the sleeve (6), and the sleeve (6) and the joint (10) are threaded. A sealing ring is arranged between, and a second valve (11) is arranged on the outer periphery of the connecting pipe (9). 3 . The gas internal pressure regulating device according to claim 1 , wherein the sensor ( 8 ) is a through-beam photoelectric sensor, and the through-beam photoelectric sensor comprises an optical transmitter and a receiver, 3 . The light transmitter and the receiver are fixedly installed on the inner wall of the sleeve (6), and the light transmitter and the receiver are arranged oppositely. 4 . The gas internal pressure regulating device according to claim 2 , wherein the diaphragm is a rubber diaphragm, such as an EPDM rubber diaphragm. 5 . 5 . The gas internal pressure regulating device according to claim 1 , wherein the first valve ( 4 ) and the second valve ( 11 ) are both ball valves. 6 . 6 . The gas internal pressure regulating device according to claim 2 , wherein when the joint ( 10 ) is installed with the sleeve ( 6 ), the outer peripheral thread surface of the joint ( 10 ) is wrapped with sealing tape for several weeks. 7 . .

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