Anti-interference dual-range pressure sensor for dual output signals

Abstract

The present invention discloses an anti-interference dual-range pressure sensor for dual output signals, comprising: a main body, a sensitive element fixed on the top of the main body; an elastic component fixed to the outer walls of the left and right ends of the main body, a rubber airbag bonded inside the elastic component, and a fixed frame fixed to one end of the elastic component deviating from the vertical central axis of the main body; a support plate welded to the bottom of the main body, and an anti-skid pad bonded to the bottom of the support plate. The anti-interference dual-range pressure sensor for dual output signals welds the support plate to the bottom of the main body, and the support plate can be used to support the main body, and the anti-skid pad is bonded to the bottom of the support plate. Therefore, the anti-skid pad can increase the area of ​​the support plate and the contact surface, enhance the anti-skid performance, and ensure the stability of the pressure sensor during pressure measurement. The bottom of the receiving column and the suction cup are bonded to each other, and the suction cup can be used to adsorb the contact surface.

Description

Technical Field

[0001] The invention relates to the technical field of anti-interference for signals, in particular to a dual-range pressure sensor with anti-interference for dual-output signals. Background Art

[0002] Interference refers to damage to the reception of useful signals. Anti-interference is a system or technology used to counter any interference in communications or radar operations. One is to combine the characteristics of the circuit to minimize interference, and the other is that the device can prevent electromagnetic interference from passing through the antenna input, the device casing, and along the power line. Due to the widespread use of anti-interference, pressure sensors also need to have anti-interference performance. Pressure sensors refer to devices or devices that can sense pressure signals and convert pressure signals into usable output electrical signals according to certain rules.

[0003] The pressure sensors on the market usually do not have the performance of reducing pressure and shock absorption, and the bottom support performance is unstable. For this reason, we propose an anti-interference dual-range pressure sensor with dual output signals. Summary of the invention

[0004] The object of the present invention is to provide an anti-interference dual-range pressure sensor for dual output signals to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a dual-range pressure sensor with anti-interference for dual output signals, comprising:

[0006] A main body, a sensitive element is fixed on the top of the main body;

[0007] An elastic component is fixed to the outer walls of the left and right ends of the main body, a rubber airbag is bonded inside the elastic component, and a fixing frame is fixed to one end of the elastic component that deviates from the vertical central axis of the main body;

[0008] A support plate is welded to the bottom of the main body, and an anti-skid pad is bonded to the bottom of the support plate.

[0009] Preferably, the fixing frame forms an elastic structure with the main body through the elastic component, and the elastic component and the fixing frame are symmetrically distributed about the center of the main body, and the elastic component coincides with the vertical center axis of the rubber airbag.

[0010] Preferably, the support plate and the main body are connected by welding, and the support plate and the anti-slip pad are connected by bonding.

[0011] Preferably, the support plate is further provided with:

[0012] A receiving rod is fused to one end of the support plate close to the vertical central axis of the main body, a receiving column is passed through the middle of the receiving rod, and a suction cup is bonded to the bottom of the receiving column.

[0013] Preferably, the suction cup and the receiving column are bonded together, and three suction cups and three receiving columns are provided.

[0014] Preferably, the fixing frame is further provided with:

[0015] The connecting rod is installed at the upper and lower ends of the inner wall of the fixing frame. The outer wall of the connecting rod is bonded with a metal film, and the outer wall of the fixing frame is fixed with an adhesive strip.

[0016] Preferably, the metal film is bonded to the connecting rod, and the connecting rod is movably connected to the fixing frame.

[0017] Preferably, the metal film is connected to the adhesive strip by adhesive bonding, and two adhesive strips and two fixing frames are provided.

[0018] Preferably, the receiving column comprises a fixed pipe column fixed on the receiving rod, a movable pipe column is provided with a sliding sleeve at the lower end of the fixed pipe column, a mounting end for mounting a suction cup is provided at the lower end of the movable pipe column, an adjusting piece for adjusting the distance between the suction cup and the ground is provided on the receiving rod, and the adjusting piece comprises a linkage rod connecting a plurality of movable pipe columns, a connecting side plate is provided on the side of the linkage rod, the connecting side plate is rotatably connected to the lower end of the adjusting bolt, the adjusting bolt is cooperated and arranged in a screw hole on the receiving rod, and the height of the connecting side plate can be adjusted by rotating the adjusting bolt, and the connecting side plate is brought by the linkage rod Multiple movable pipe columns are moved up and down synchronously to adjust the distance between the suction cup and the desktop, each fixed pipe column is provided with a cache box on the top, each cache box is connected to the vacuum end of the negative pressure cylinder fixed on the receiving rod through a connecting pipe, the piston block inside the negative pressure cylinder is connected to a pull rod for easy operation, the side of the negative pressure cylinder is provided with a pressure block that does not limit the reset of the pull rod, the suction cup includes a conical cover with an opening at the lower end, an elastic sealing layer is provided at the lower port of the conical cover, a negative pressure chamber is constructed between the elastic sealing layer and the conical cover, and the lower end of the suction cup is provided with a pressure sealing ring for pressing against the desktop to achieve sealing.

[0019] The present invention provides an anti-interference dual-range pressure sensor for dual output signals, which has the following beneficial effects:

[0020] The dual-range pressure sensor with anti-interference for dual-output signals connects the fixed frame and the main body through an elastic component. The elastic component can reduce pressure and shock the pressure from the fixed frame. The support plate is welded to the bottom of the main body. The support plate can support the main body. The anti-skid pad is bonded to the bottom of the support plate. Therefore, the anti-skid pad can increase the area of ​​the support plate and the contact surface, enhance the anti-skid performance, and ensure the stability of the pressure sensor during pressure measurement. At the same time, the end of the metal film is bonded to the connecting rod, and the connecting rod is rotated and moved inside the fixed frame. Through this activity, the metal film can be flexibly rotated on the outer wall of the connecting rod, thereby realizing the storage performance of the metal film.

[0021] 1. The present invention connects the fixed frame and the main body through an elastic component. The elastic component can reduce pressure and shock from the fixed frame. At the same time, since the rubber airbag is placed inside the elastic component and the rubber airbag itself has certain elasticity and toughness, the rubber airbag can achieve a double decompression effect.

[0022] 2. The present invention welds the support plate to the bottom of the main body, and the support plate can be used to support the main body. At the same time, the anti-skid pad is bonded to the bottom of the support plate. Therefore, the anti-skid pad can increase the area of ​​the support plate and the contact surface, enhance the anti-skid performance, and ensure the stability of the pressure sensor during pressure measurement. The bottom of the supporting column and the suction cup are bonded to each other, and the suction cup can be used to adsorb the contact surface. In this way, the positioning of the pressure sensor can be achieved during use, and the pressure sensor can be prevented from moving, thereby ensuring the accuracy of the pressure measurement data.

[0023] 3. The present invention bonds the end of the metal film to the connecting rod, and at the same time rotates the connecting rod inside the fixed frame. Through this movement, the metal film can be flexibly rotated on the outer wall of the connecting rod, thereby realizing the storage performance of the metal film, and the other end of the metal film is bonded to the adhesive strip fixed on the outer wall of the fixed frame. Through the adhesive strip, the metal film can be unfolded and covered, thereby ensuring that the metal film has a protective performance for the main body and realizing the signal anti-interference effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the anti-interference dual-range pressure sensor for dual output signals of the present invention;

[0025] Figure 2 A schematic diagram of the external structure of a metal film of the dual-range pressure sensor with dual output signals and anti-interference function according to the present invention;

[0026] Figure 3 It is a schematic diagram of the main body structure of the anti-interference dual-range pressure sensor for dual output signals of the present invention from top view;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the support plate of the anti-interference dual-range pressure sensor for dual output signals of the present invention.

[0028] Figure 5 The present invention is a schematic diagram of the structure of the regulating member of the dual-range pressure sensor with dual output signals and anti-interference function.

[0029] Figure 6 The figure is a schematic diagram of the internal structure of the suction cup of the anti-interference dual-range pressure sensor for dual output signals of the present invention.

[0030] In the figure: 1. Main body; 2. Sensitive element; 3. Support plate; 4. Anti-skid pad; 5. Support rod; 6. Suction cup; 7. Support column; 8. Elastic component; 9. Rubber airbag; 10. Fixing frame; 11. Adhesive strip; 12. Connecting rod; 13. Metal film;

[0031] The movable pipe column 71 , the fixed pipe column 72 , the elastic sealing layer 61 , the pressure sealing ring 62 , the negative pressure chamber 63 , the connecting side plate 51 , the linkage rod 52 , the pull rod 53 , the negative pressure cylinder 54 , the buffer box 55 , the connecting pipe 56 , and the adjusting bolt 57 . DETAILED DESCRIPTION

[0032] See also Figure 1-4 The present invention provides a technical solution: a dual-range pressure sensor with anti-interference for dual output signals, comprising:

[0033] A main body 1, a sensitive element 2 is fixed on the top of the main body 1;

[0034] An elastic component 8 is fixed to the outer walls of the left and right ends of the main body 1. A rubber airbag 9 is bonded inside the elastic component 8. A fixing frame 10 is fixed to one end of the elastic component 8 that deviates from the vertical center axis of the main body 1.

[0035] A support plate 3 is welded to the bottom of the main body 1, and an anti-slip pad 4 is bonded to the bottom of the support plate 3;

[0036] The fixing frame 10 forms an elastic structure with the main body 1 through the elastic component 8, and the elastic component 8 and the fixing frame 10 are symmetrically distributed about the center of the main body 1, and the elastic component 8 coincides with the vertical center axis of the rubber airbag 9. The fixing frame 10 and the main body 1 are connected to each other through the elastic component 8. The elastic component 8 can reduce pressure and shock from the pressure on the fixing frame 10. At the same time, since the rubber airbag 9 is placed inside the elastic component 8, and the rubber airbag 9 itself has certain elasticity and toughness, the rubber airbag 9 can play a double decompression role;

[0037] The support plate 3 is welded to the main body 1, and the support plate 3 is bonded to the anti-skid pad 4. The support plate 3 is welded to the bottom of the main body 1, and the support plate 3 can play a supporting role for the main body 1. At the same time, the anti-skid pad 4 is bonded to the bottom of the support plate 3. Therefore, the anti-skid pad 4 can increase the contact area between the support plate 3 and the surface, enhance the anti-skid performance, and ensure the stability of the pressure sensor during pressure measurement;

[0038] The support plate 3 also has:

[0039] A receiving rod 5 is welded to one end of the supporting plate 3 close to the vertical center axis of the main body 1. A receiving column 7 is passed through the middle of the receiving rod 5. A suction cup 6 is bonded to the bottom of the receiving column 7.

[0040] The suction cup 6 and the receiving column 7 are bonded, and three suction cups 6 and receiving columns 7 are provided. The bottom of the receiving column 7 is bonded to the suction cup 6. The suction cup 6 can be used to adsorb the contact surface, so that the positioning of the pressure sensor can be achieved when it is used, and the position movement of the pressure sensor can be prevented, thereby ensuring the accuracy of the pressure measurement data;

[0041] The fixing frame 10 is also provided with:

[0042] A connecting rod 12 is installed at the upper and lower ends of the inner wall of the fixing frame 10, a metal film 13 is bonded to the outer wall of the connecting rod 12, and an adhesive strip 11 is fixed to the outer wall of the fixing frame 10;

[0043] The metal film 13 and the connecting rod 12 are bonded, and the connecting rod 12 and the fixed frame 10 are movably connected. The end of the metal film 13 and the connecting rod 12 are bonded to each other, and the connecting rod 12 is rotated and moved inside the fixed frame 10. Through this movement, the metal film 13 can be flexibly rotated on the outer wall of the connecting rod 12, thereby realizing the storage performance of the metal film 13;

[0044] The metal film 13 is adhesively connected to the adhesive strip 11, and two adhesive strips 11 and two fixed frames 10 are provided. The other end of the metal film 13 is adhered to the adhesive strip 11 fixed on the outer wall of the fixed frame 10. The metal film 13 can be unfolded and covered through the adhesive strip 11, thereby ensuring that the metal film 13 has a protective performance for the main body 1 and realizes the signal anti-interference effect.

[0045] In summary, the dual-output signal uses an anti-interference dual-range pressure sensor. When using it, first follow the Figure 1In the structure shown, since the support plate 3 is welded to the bottom of the main body 1, the support plate 3 can be used to support the main body 1, and the anti-skid pad 4 is bonded to the bottom of the support plate 3. Therefore, the anti-skid pad 4 can increase the area of ​​the support plate 3 and the contact surface, enhance the anti-skid performance, and ensure the stability of the pressure sensor during pressure measurement. Then, the suction cup 6 bonded to the bottom of the receiving column 7 is adsorbed on the contact surface, thereby realizing the positioning of the entire device and the contact surface, preventing the pressure sensor from moving, thereby ensuring the accuracy of the pressure measurement data. Subsequently, since the end of the metal film 13 and the connecting rod 12 are bonded to each other, and the connecting rod 12 rotates and moves inside the fixed frame 10, through this activity, The metal film 13 can be flexibly pulled on the outer wall of the connecting rod 12, and then the other end of the metal film 13 is bonded to the adhesive strip 11 on the outer wall of another fixed frame 10, so that the metal film 13 can be unfolded and covered, thereby ensuring that the metal film 13 has a protective performance for the main body 1 and realizes the signal anti-interference effect. Finally, since the fixed frame 10 and the main body 1 are interconnected by the elastic component 8, the elastic component 8 can be used to reduce pressure and reduce shock on the pressure from the fixed frame 10. At the same time, since the rubber airbag 9 is placed inside the elastic component 8, and the rubber airbag 9 itself has certain elasticity and toughness, the rubber airbag 9 can achieve a double decompression effect.

[0046] See also Figure 5-6The receiving column 7 includes a fixed pipe column 72 fixed on the receiving rod 5, and a movable pipe column 71 is slidably sleeved at the lower end of the fixed pipe column 72. The lower end of the movable pipe column 71 is provided with a mounting end for installing the suction cup 6. The receiving rod 5 is provided with an adjusting piece for adjusting the distance between the suction cup 6 and the ground. The adjusting piece includes a linkage rod 52 connecting several movable pipe columns 71. A connecting side plate 51 is provided on the side of the linkage rod 52. The connecting side plate 51 is rotatably connected to the lower end of the adjusting bolt 57. The adjusting bolt 57 is cooperated and arranged in the screw hole on the receiving rod 5. The height of the connecting side plate 51 can be adjusted by rotating the adjusting bolt 57. The connecting side plate 51 drives multiple movable pipe columns 71 to move up and down synchronously through the linkage rod 52, so as to adjust the distance between the suction cup and the desktop. A cache box 55 is provided on the top of each fixed pipe column 72. Each cache box 55 is connected to the fixed on the receiving rod 5 through a connecting pipe 56. The suction end of the negative pressure cylinder 54 is connected, and the piston block inside the negative pressure cylinder 54 is connected to the pull rod 53 for easy operation. The side of the negative pressure cylinder 54 is provided with a pressure block that does not limit the reset of the pull rod 53. The suction cup 6 includes a conical cover with an opening at the lower end, and an elastic sealing layer 61 is provided at the lower port of the conical cover. A negative pressure chamber 63 is constructed between the elastic sealing layer 61 and the conical cover, and a pressure sealing ring 62 is provided at the lower end of the suction cup 6 for pressing against the desktop to achieve sealing. In actual use, the height of the suction cup 6 is adjusted by an adjusting member so that the suction cup 6 contacts the desktop, and then the air inside the suction cup 6 is extracted by the negative pressure cylinder 54 to form a negative pressure from the inside of the suction cup 6, so that the elastic sealing layer 61 will be deformed, and the chamber between the elastic sealing layer 61 and the desktop will generate negative pressure, so that the suction cup 6 is adsorbed on the desktop. This negative pressure adsorption method is controllable adsorption, which is convenient for later separation. Compared with the traditional method, it has better operability.

Claims

1. Anti-interference dual-range pressure sensor for dual output signals, characterized in that: include: A main body, a sensitive element is fixed on the top of the main body; An elastic component is fixed to the outer walls of the left and right ends of the main body, a rubber airbag is bonded inside the elastic component, and a fixing frame is fixed to one end of the elastic component that deviates from the vertical central axis of the main body; A support plate, which is welded to the bottom of the main body, and a non-slip pad is bonded to the bottom of the support plate; The support plate is further provided with: a receiving rod, which is welded to one end of the support plate close to the vertical central axis of the main body, a receiving column is passed through the middle of the receiving rod, and a suction cup is bonded to the bottom of the receiving column; The suction cup and the receiving column are bonded and connected, and three suction cups and three receiving columns are provided; The receiving column comprises a fixed pipe column fixed on the receiving rod, a movable pipe column is provided with a sliding sleeve at the lower end of the fixed pipe column, a mounting end for mounting a suction cup is provided at the lower end of the movable pipe column, an adjusting piece for adjusting the distance between the suction cup and the ground is provided on the receiving rod, and the adjusting piece comprises a linkage rod connecting a plurality of movable pipe columns, a connecting side plate is provided on the side of the linkage rod, the connecting side plate is rotatably connected to the lower end of the adjusting bolt, the adjusting bolt is cooperated and arranged in the screw hole on the receiving rod, and the height of the connecting side plate can be adjusted by rotating the adjusting bolt, and the connecting side plate drives multiple movable pipe columns through the linkage rod. The movable tube columns move up and down synchronously to adjust the distance between the suction cup and the desktop, and each fixed tube column is provided with a cache box on the top, and each cache box is connected to the vacuum end of the negative pressure cylinder fixed on the receiving rod through a connecting pipe. The piston block inside the negative pressure cylinder is connected to a pull rod for easy operation, and a pressure block is provided on the side of the negative pressure cylinder for not restricting the reset of the pull rod. The suction cup includes a conical cover with an opening at the lower end, and an elastic sealing layer is provided at the lower port of the conical cover, and a negative pressure chamber is constructed between the elastic sealing layer and the conical cover, and a pressure sealing ring is provided at the lower end of the suction cup for pressing against the desktop to achieve sealing.

2. The anti-interference dual-range pressure sensor for dual output signals according to claim 1, characterized in that: The fixing frame forms an elastic structure with the main body through the elastic component, and the elastic component and the fixing frame are symmetrically distributed about the center of the main body, and the elastic component coincides with the vertical center axis of the rubber airbag.

3. The anti-interference dual-range pressure sensor for dual output signals according to claim 1, characterized in that: The support plate is connected to the main body by welding, and the support plate is connected to the anti-slip pad by bonding.

4. The anti-interference dual-range pressure sensor for dual output signals according to claim 1, characterized in that: The fixing frame is also provided with: The connecting rod is installed at the upper and lower ends of the inner wall of the fixing frame. The outer wall of the connecting rod is bonded with a metal film, and the outer wall of the fixing frame is fixed with an adhesive strip.

5. The anti-interference dual-range pressure sensor for dual output signals according to claim 4, characterized in that: The metal film is bonded to the connecting rod, and the connecting rod is movably connected to the fixing frame.

6. The anti-interference dual-range pressure sensor for dual output signals according to claim 4, characterized in that: The metal film is bonded to the bonding strip, and two bonding strips and two fixing frames are provided.

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