Air pressure sensor and electronic equipment

Abstract

The utility model relates to the technical field of sensors, and discloses an air pressure sensor and electronic equipment, which comprise an air pressure sensor body, a pressure relief pipeline capable of relieving pressure is arranged on the air pressure sensor body, the pressure relief pipeline is T-shaped, the upper side wall surface of the pressure relief pipeline is hermetically connected with a connecting pipeline, and the connecting pipeline is L-shaped. A connecting clamping groove is formed in the vertical end of the connecting pipeline, a matched sealing check block is arranged in the vertical end of the pressure relief pipeline, and the outer wall of the sealing check block is movably clamped into the connecting clamping groove. In the using process, when the pressure value in the air pressure sensor body reaches a limit value, the driving mechanism enables the height adjusting rod to rotate in the forward direction, the connecting clamping block moves upwards along the interior of the connecting clamping groove, the sealing check block moves upwards, and finally the height adjusting rod leaves the interior of the vertical end of the pressure relief pipeline. At the moment, the pressure relief pipeline starts to perform pressure relief and air exhaust outwards, so that the air pressure sensor body is protected, and the risk of damage of the air pressure sensor body is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to an air pressure sensor and electronic equipment. Background Art

[0002] The air pressure sensor is an instrument used to measure the absolute pressure of gas. It is mainly suitable for physical experiments related to gas pressure, such as gas laws, etc. It can also measure the pressure of dry, non-corrosive gases in biological and chemical experiments.

[0003] After the air pressure sensor is installed on an electronic device and performs normal operation, since the existing sensor does not have a protective structure, during the detection process, if the equipment malfunctions or the equipment is misoperated, causing the air pressure to rise instantly, and if the generated pressure exceeds the limit value of the sensor, there is a risk of damaging the sensor, causing it to fail to work normally.

[0004] To this end, we propose an air pressure sensor and an electronic device. Utility Model Content

[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides an air pressure sensor and an electronic device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure sensor, including a pressure sensor body, a pressure relief pipe for pressure relief is arranged on the pressure sensor body, the pressure relief pipe is T-shaped, the upper side wall of the pressure relief pipe is sealed and connected with a connecting pipe, the connecting pipe is L-shaped, a connecting groove is provided inside the vertical end of the connecting pipe, a matching sealing block is arranged inside the vertical end of the pressure relief pipe, the outer wall of the sealing block is movably inserted into the inside of the connecting groove, and the sealing block, the connecting groove and the inside of the vertical end of the pressure relief pipe are all It is connected in a sealed manner, the sealing block and the interior of the connecting slot are adapted to each other, the front side wall of the vertical end of the connecting pipe is provided with a connecting slot that can be limited, the front side wall of the sealing block is fixedly installed with a connecting block, the connecting slot and the connecting block are adapted to each other, the connecting block is movably inserted into the interior of the connecting slot, and a height adjustment rod set in a vertical state is rotatably installed on the bottom wall of the connecting slot, a threaded groove is provided on the outer wall of the height adjustment rod, the height adjustment rod and the connecting block are threadedly connected together, and a driving mechanism for rotating the height adjustment rod is provided.

[0007] Furthermore, the driving mechanism includes an air pressure regulating valve that can adjust the air pressure. The air pressure regulating valve is arranged on the outer wall of the air pressure sensor body. The input end of the air pressure regulating valve is sealed with the outer wall of the air pressure sensor body. The output end of the air pressure regulating valve is sealed with an exhaust pipe. The exhaust pipe is L-shaped, and a cavity is opened inside the horizontal end of the connecting pipe.

[0008] Furthermore, the left end face of the exhaust pipe and the right wall face of the connecting pipe are sealed and connected together, the outer wall of the height adjustment rod movably penetrates the upper wall face of the connecting slot, and a transmission gear for transmission is fixedly installed on the outer wall of the height adjustment rod.

[0009] Furthermore, a sealing slider is movably installed inside the front side of the exhaust pipe in a sealing manner, the sealing slider is adapted to the inside of the front side of the exhaust pipe, and a movable sleeve is fixedly installed on the left wall of the sealing slider.

[0010] Furthermore, the movable sleeve is a rectangular body with an opening on the left side, and a limiting slide bar for limiting position is movably installed inside the movable sleeve, and the limiting slide bar and the interior of the movable sleeve are adapted to each other.

[0011] Furthermore, a return spring is fixedly installed between the right wall surface of the limiting slide bar and the adjacent wall surface inside the movable sleeve, and the limiting slide bar is fixedly installed on the left wall surface in the horizontal end cavity of the connecting pipe.

[0012] Furthermore, the front wall surface of the movable sleeve is provided with tooth grooves for transmission, the tooth grooves are meshed and connected with the transmission gear, and the tooth grooves are distributed in an equidistant state.

[0013] An electronic device comprises the above-mentioned air pressure sensor.

[0014] Beneficial Effects

[0015] The utility model provides an air pressure sensor and an electronic device. The utility model has the following beneficial effects:

[0016] 1. A pressure sensor and electronic device. During use of the utility model, when the pressure value inside the pressure sensor body reaches the limit value, the driving mechanism will cause the height adjustment rod to rotate in the positive direction, the connecting block will move upward along the inside of the connecting slot, the sealing block will move upward, and finally leave the vertical end of the pressure relief pipe. At this time, the pressure relief pipe begins to relieve pressure and exhaust air outward, which protects the pressure sensor body and reduces the risk of damage.

[0017] 2. A kind of air pressure sensor and electronic equipment. During the use of the utility model, when the internal pressure of the air pressure sensor body exceeds the peak value, the air pressure will enter the interior of the exhaust pipe through the decompression of the air pressure regulating valve, and the sealing slider will move to the left, and the movable sleeve will move with it. With the cooperation of the tooth groove and the transmission gear, the transmission gear starts to rotate forward. In addition, the peak pressure value of the air pressure sensor body can be adjusted by adjusting the air pressure regulating valve to meet different needs. In addition, during the movement of the movable sleeve, it will slide along the outer wall of the limit slide rod to improve the stability of the movement of the movable sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the utility model can be implemented, so they have no substantial technical significance.

[0019] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0020] Figure 2 It is a sectional stereoscopic diagram of the air release pipe of the utility model;

[0021] Figure 3 It is a sectional stereoscopic view of the exhaust pipe of the utility model.

[0022] Legend:

[0023] 1. Air pressure sensor body; 2. Pressure relief pipe; 3. Connecting pipe; 4. Connecting slot; 5. Connecting block; 6. Height adjustment rod; 7. Transmission gear; 8. Air pressure regulating valve; 9. Exhaust pipe; 10. Sealing slider; 11. Reset spring; 12. Limiting slider; 13. Sealing block; 14. Moving sleeve. DETAILED DESCRIPTION

[0024] Embodiment 1: An air pressure sensor, such as Figure 1-2 As shown, it includes an air pressure sensor body 1, on which a pressure relief pipe 2 for pressure relief is arranged, the pressure relief pipe 2 is T-shaped, the upper side wall of the pressure relief pipe 2 is sealed and connected with a connecting pipe 3, the connecting pipe 3 is L-shaped, a connecting card slot 4 is provided inside the vertical end of the connecting pipe 3, and a matching sealing block 13 is arranged inside the vertical end of the pressure relief pipe 2, the outer wall of the sealing block 13 is movably inserted into the interior of the connecting card slot 4, the sealing block 13 is sealedly connected to the connecting card slot 4 and the interior of the vertical end of the pressure relief pipe 2, and the sealing block 13 and The interiors of the connecting slots 4 are adapted to each other, and a connecting slot 4 for limiting is provided on the front side wall of the vertical end of the connecting pipe 3. A connecting block 5 is fixedly installed on the front side wall of the sealing block 13. The connecting slots 4 and the connecting block 5 are adapted to each other, and the connecting block 5 is movably inserted into the interior of the connecting slots 4. A height adjustment rod 6 arranged in a vertical state is rotatably installed on the bottom wall of the connecting slot 4. A threaded groove is provided on the outer wall of the height adjustment rod 6. The height adjustment rod 6 and the connecting block 5 are threadedly connected together, and a driving mechanism for rotating the height adjustment rod 6 is provided.

[0025] During use of the utility model, when the pressure value inside the air pressure sensor body 1 reaches the limit value, the driving mechanism will cause the height adjustment rod 6 to rotate forward, the connecting block 5 will move upward along the inside of the connecting slot 4, the sealing block 13 will move upward, and finally leave the vertical end of the pressure relief pipe 2. At this time, the pressure relief pipe 2 begins to relieve pressure and exhaust air outward, which protects the air pressure sensor body 1.

[0026] Embodiment 2: Based on Embodiment 1, Figure 1-3 As shown, the driving mechanism includes an air pressure regulating valve 8 that can adjust the air pressure. The air pressure regulating valve 8 is arranged on the outer wall of the air pressure sensor body 1. The input end of the air pressure regulating valve 8 is sealed with the outer wall of the air pressure sensor body 1. The output end of the air pressure regulating valve 8 is sealed with an exhaust pipe 9. The exhaust pipe 9 is L-shaped, and a cavity is opened inside the horizontal end of the connecting pipe 3.

[0027] The left end surface of the exhaust pipe 9 and the right wall surface of the connecting pipe 3 are sealed together, and the outer wall of the height adjustment rod 6 movably penetrates the upper wall surface of the connecting slot 4, and the outer wall of the height adjustment rod 6 is fixedly installed with a transmission gear 7 for transmission.

[0028] A sealing slider 10 is movably installed inside the front side of the exhaust pipe 9 in a sealing manner. The sealing slider 10 is adapted to the inside of the front side of the exhaust pipe 9 , and a movable sleeve 14 is fixedly installed on the left wall of the sealing slider 10 .

[0029] The movable sleeve 14 is a rectangular body with an opening on the left side. A limiting slide bar 12 for limiting position is movably installed inside the movable sleeve 14 . The limiting slide bar 12 and the interior of the movable sleeve 14 are adapted to each other.

[0030] A return spring 11 is fixedly installed between the right wall surface of the limiting slide bar 12 and the adjacent wall surface inside the movable sleeve 14 , and the limiting slide bar 12 is fixedly installed on the left wall surface in the horizontal end cavity of the connecting pipe 3 .

[0031] The front wall surface of the movable sleeve 14 is provided with tooth grooves for transmission, the tooth grooves are meshed and connected with the transmission gear 7, and the tooth grooves are distributed in an equidistant state.

[0032] During use of the utility model, when the internal pressure of the air pressure sensor body 1 exceeds the peak value, the air pressure will enter the interior of the exhaust pipe 9 through the decompression of the air pressure regulating valve 8, the sealing slider 10 will move to the left, and the movable sleeve 14 will move together. With the cooperation of the tooth groove and the transmission gear 7, the transmission gear 7 starts to rotate forward. In addition, the peak pressure value of the air pressure sensor body 1 can be adjusted by adjusting the air pressure regulating valve 8 to meet different usage requirements. In addition, during the movement of the movable sleeve 14, it will slide along the outer wall of the limiting slide rod 12.

[0033] The present application also proposes an electronic device, which includes the above-mentioned air pressure sensor. The specific structure of the air pressure sensor refers to the above-mentioned embodiment. Since the electronic device adopts all the technical solutions of all the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here one by one.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An air pressure sensor, comprising an air pressure sensor body (1), characterized in that: The air pressure sensor body (1) is provided with a pressure relief pipe (2) capable of performing pressure relief, the pressure relief pipe (2) being in a T-shape, the upper side wall of the pressure relief pipe (2) being sealingly connected to a connecting pipe (3), the connecting pipe (3) being in an L-shape, a connecting slot (4) being provided inside the vertical end of the connecting pipe (3), a matching sealing block (13) being provided inside the vertical end of the pressure relief pipe (2), the outer wall of the sealing block (13) being movably inserted into the interior of the connecting slot (4), the sealing block (13) being connected to the connecting slot (4) and the interior of the vertical end of the pressure relief pipe (2) in a sealing manner, and the sealing block (13) and the connecting slot (4) being connected to each other in a sealing manner. The interior of the connecting pipe (4) is adapted to each other, the front side wall surface of the vertical end of the connecting pipe (3) is provided with a connection card slot (4) capable of being limited, the front side wall surface of the sealing block (13) is fixedly mounted with a connection card block (5), the connection card slot (4) and the connection card block (5) are adapted to each other, the connection card block (5) is movably inserted into the interior of the connection card slot (4), a height adjustment rod (6) arranged in a vertical state is rotatably mounted on the bottom wall surface of the connection card slot (4), a threaded groove is provided on the outer wall of the height adjustment rod (6), the height adjustment rod (6) and the connection card block (5) are threadedly connected together, and a driving mechanism for rotating the height adjustment rod (6) is provided.

2. The air pressure sensor according to claim 1, characterized in that: The driving mechanism comprises an air pressure regulating valve (8) capable of regulating air pressure. The air pressure regulating valve (8) is arranged on the outer wall of the air pressure sensor body (1). The input end of the air pressure regulating valve (8) is sealedly connected to the outer wall of the air pressure sensor body (1). The output end of the air pressure regulating valve (8) is sealedly connected to an exhaust pipe (9). The exhaust pipe (9) is L-shaped, and a cavity is provided inside the horizontal end of the connecting pipe (3).

3. The air pressure sensor according to claim 2, characterized in that: The left end surface of the exhaust pipe (9) and the right wall surface of the connecting pipe (3) are sealed together, the outer wall of the height adjustment rod (6) movably penetrates the upper wall surface of the connecting slot (4), and a transmission gear (7) capable of transmission is fixedly mounted on the outer wall of the height adjustment rod (6).

4. The air pressure sensor according to claim 3, characterized in that: A sealing slider (10) is movably mounted inside the front side of the exhaust pipe (9) in a sealed manner; the sealing slider (10) is adapted to the inside of the front side of the exhaust pipe (9); and a movable sleeve (14) is fixedly mounted on the left wall of the sealing slider (10).

5. The air pressure sensor according to claim 4, characterized in that: The movable sleeve (14) is a rectangular body with an opening on the left side. A limiting slide bar (12) capable of limiting position is movably installed inside the movable sleeve (14). The limiting slide bar (12) and the interior of the movable sleeve (14) are adapted to each other.

6. The air pressure sensor according to claim 5, characterized in that: A return spring (11) is fixedly installed between the right wall surface of the limiting slide bar (12) and the adjacent wall surface inside the movable sleeve (14), and the limiting slide bar (12) is fixedly installed on the left wall surface in the horizontal end cavity of the connecting pipe (3).

7. The air pressure sensor according to claim 6, characterized in that: The front wall surface of the movable sleeve (14) is provided with tooth grooves for transmission, the tooth grooves are meshed and connected with the transmission gear (7), and the tooth grooves are distributed in an equidistant state.

8. An electronic device, characterized in that: A barometric pressure sensor comprising any one of claims 1 to 7.

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