High-precision static ultrahigh pressure sensor

Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a high-precision static ultrahigh pressure sensor which comprises a sensor body, a tightening piece arranged at the bottom of the sensor body, a connecting bottom plate arranged at the bottom of the tightening piece, a mounting end arranged at the bottom of the connecting bottom plate, and a first adjusting ring arranged on the mounting end. The second adjusting ring comprises a threaded groove and a spiral structure, and the spiral structure is arranged on the outer side of the second adjusting ring. According to the utility model, through the pressure sensitive element, the shielding assembly and the outer coating layer, the pressure sensitive element can be effectively prevented from electromagnetic interference, the accuracy of pressure measurement is ensured, the radiation resistance and the corrosion resistance of the pressure sensitive element can be further improved, and the service life is ensured; through the mounting end, the first adjusting ring, the second adjusting ring, the threaded groove and the spiral structure, the mounting end, the first adjusting ring and the second adjusting ring can be replaced during abrasion, the use effect is guaranteed, the sensor mounting device can adapt to sensor mounting ports of different specifications, and the mounting applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field, concretely is a kind of high-precision static ultrahigh pressure sensor. BACKGROUND

[0002] Sensor is a kind of device that can perceive physical quantity, chemical quantity or biological quantity and other signals, and convert them into measurable, processed, transmitted electric signal or other output form, wherein pressure sensor is a kind of device or apparatus that can perceive pressure signal and can convert pressure signal into usable electric signal according to certain law.

[0003] Prior art has the following deficiencies: Prior art, application number 202322217750.1, proposes a kind of high-precision static ultrahigh pressure sensor, it is related to pressure sensor technical field, including sensor main body and two clamps, the outside of sensor main body is fixedly connected with collar, the outer wall of collar is provided with two connecting rods, the end of two connecting rods opposite each other is fixedly connected with annular plate, the inside of two annular plates is provided with height adjusting mechanism, two clamps are connected with corresponding height adjusting mechanism respectively, the bottom of collar is fixedly provided with first sleeve pipe.The utility model can realize the transmission connection of two height adjusting mechanisms by the first gear set, so as to effectively simplify the height adjustment process of sensor main body, the meshing connection of second gear and first gear is set, the simultaneous driving of two height adjusting mechanisms can be realized, and then sensor main body can be driven to move in the process of rotation of one of inner thread pipe.

[0004] The above-mentioned device does not have an effective response to electromagnetic interference in actual installation and use process, sensor application environment is various, if electromagnetic interference exists in use environment, electromagnetic interference will be superimposed on the effective signal of pressure sensor, leading to signal waveform distortion, amplitude change or phase shift, thereby affecting the accuracy of measurement, at the same time, the installation of sensor itself generally adopts the connection mode of conventional thread to install the sensor in the required position, in order to ensure the stability of installation, the installation and dismounting of sensor need to spend large force to tighten, thread is easy to wear or even slip under long-term pressure, affect later use, and the installation port specification of related equipment is fixed, when the equipment needs to replace new type different model sensor, the phenomenon that sensor connecting end head and corresponding equipment installation position are not adapted may appear, and installation applicability can be further improved. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of high-precision static ultrahigh pressure sensor to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: A high accuracy static ultrahigh pressure sensor, including sensor main part, the sensor main part bottom is provided with the tightening piece, the tightening piece bottom is provided with the link bottom plate, the link bottom plate bottom is provided with the installation end, be provided with the first adjusting ring on the installation end, be provided with the second adjusting ring on the first adjusting ring, the link bottom plate bottom is provided with the magnet, be provided with the substrate in the sensor main part, be provided with the circuit board on the substrate, be provided with pressure sensitive element, processing circuit on the circuit board, be provided with the terminal on the circuit board close to pressure sensitive element, be provided with the shielding assembly on the substrate, the outside of pressure sensitive element is coated with the outer cover layer;

[0007] The second adjusting ring includes a threaded groove and a spiral structure, the second adjusting ring is provided with a spiral structure on the outside, and the second adjusting ring is provided with a threaded groove on the inside.

[0008] As a preferred technical scheme of the utility model: the sensor main part is fixedly installed at the top of the tightening piece, and the link bottom plate is fixedly installed at the bottom of the tightening piece.

[0009] As a preferred technical scheme of the utility model: the magnet is fixedly installed at the bottom of the link bottom plate, and an opening matched with the installation end is formed in the magnet.

[0010] As a preferred technical scheme of the utility model: the installation end passes through the magnet and is threadedly connected between the link bottom plate, the installation end is communicated with the link bottom plate, the tightening piece and the sensor main part.

[0011] As a preferred technical scheme of the utility model: the installation end, the first adjusting ring and the second adjusting ring are all provided with a spiral structure on the outside, the installation end, the first adjusting ring and the second adjusting ring are all made of copper, and a metal ring made of iron is embedded in the top end of the first adjusting ring and the second adjusting ring and is magnetically adsorbed with the magnet.

[0012] As a preferred technical scheme of the utility model: the first adjusting ring and the second adjusting ring are all provided with a threaded groove on the inner wall, and the spiral structure on the outside of the installation end is matched with the threaded groove on the inner wall of the first adjusting ring.

[0013] As a preferred technical scheme of the utility model: the spiral structure on the outside of the first adjusting ring is matched with the threaded groove on the inside of the second adjusting ring.

[0014] As a preferred technical solution of this utility model: the substrate is fixedly installed inside the sensor body, the pressure-sensitive element, the processing circuit, and the terminals are all fixedly installed on the circuit board, there is an electrical connection between the pressure-sensitive element, the processing circuit, and the terminals, the shielding component is fixedly installed on the substrate, the shielding component is specifically made of aluminum and its inner wall is coated with a graphene coating, and the outer coating is specifically a silicon carbide coating.

[0015] Compared with the prior art, this utility model provides a high-precision static ultra-high pressure sensor, which has the following advantages:

[0016] 1. This high-precision static ultra-high pressure sensor, by setting a pressure-sensitive element, a shielding component, and an outer coating, the aluminum shielding component and the graphene coating on its inner side can effectively prevent the pressure-sensitive element from being affected by electromagnetic interference, ensuring the accuracy of pressure measurement. The silicon carbide outer coating on the outside of the pressure-sensitive element can further improve its radiation resistance and its own corrosion resistance, ensuring its service life.

[0017] 2. This high-precision static ultra-high pressure sensor features a mounting end, a first adjusting ring, a second adjusting ring, a threaded groove, and a helical structure. The mounting end, first adjusting ring, and second adjusting ring offer flexible installation options. When the helical structure or threaded groove wears, the mounting end, first adjusting ring, and second adjusting ring can be replaced, ensuring future installation and performance. The sensor body can be directly installed using the lower end of the mounting end. Rotating the first adjusting ring clockwise lowers it until it is flush with the bottom of the mounting end, allowing the mounting end to drive the first adjusting ring into the corresponding device's mounting port. If the second adjusting ring needs to be adapted to fit the sensor mounting port, it can be adjusted by rotating the second adjusting ring in the same way after adjusting the first adjusting ring, lowering it until both the first and second adjusting rings are flush with the bottom of the mounting end. At this point, the mounting end can drive the first and second adjusting rings into the corresponding device's mounting port. The mounting end, first adjusting ring, and second adjusting ring offer three different installation specifications to accommodate various sensor mounting port sizes, improving installation applicability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0019] Figure 2 This is a schematic diagram showing the installation end, the first adjusting ring, and the second adjusting ring of this utility model.

[0020] Figure 3 This is a schematic diagram of the threaded groove and helical structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the connecting base plate of this utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the sensor body of this utility model;

[0023] Figure 6 This is a schematic diagram of the pressure-sensitive element of this utility model.

[0024] In the figure: 1. Sensor body; 2. Tightening component; 3. Connecting base plate; 4. Mounting end; 5. First adjusting ring; 6. Second adjusting ring; 601. Threaded groove; 602. Helical structure; 7. Magnet; 8. Substrate; 9. Circuit board; 10. Pressure sensitive element; 11. Processing circuit; 12. Terminal; 13. Shielding assembly; 14. Outer cover. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-6 In this embodiment: a high-precision static ultra-high pressure sensor includes a sensor body 1, a tightening component 2 at the bottom of the sensor body 1, a connecting base plate 3 at the bottom of the tightening component 2, an installation end 4 at the bottom of the connecting base plate 3, a first adjusting ring 5 on the installation end 4, a second adjusting ring 6 on the first adjusting ring 5, a magnet 7 at the bottom of the connecting base plate 3, a substrate 8 fixedly installed inside the sensor body 1, a pressure-sensitive element 10, a processing circuit 11, and a terminal 12 all fixedly installed on a circuit board 9, and there is an electrical connection between the pressure-sensitive element 10, the processing circuit 11, and the terminal 12, and a shielding component 13 fixedly installed on the substrate 8, the shielding component 13 is specifically made of aluminum and its inner wall is coated with a graphene coating, and its outer coating 14 is specifically a silicon carbide coating;

[0027] The sensor body 1 can be easily rotated by the tightening part 2, which facilitates installation. The magnet 7 ensures the stability of the first adjusting ring 5 and the second adjusting ring 6 when not in use.

[0028] The second adjusting ring 6 includes a threaded groove 601 and a spiral structure 602. The spiral structure 602 is provided on the outer side of the second adjusting ring 6, and the threaded groove 601 is provided on the inner side of the second adjusting ring 6.

[0029] The threaded groove 601 and the spiral structure 602 ensure the stability of the threaded connection between the first adjusting ring 5, the second adjusting ring 6 and the mounting end 4.

[0030] In this embodiment, the sensor body 1 is fixedly installed on the top of the tightening component 2, the connecting base plate 3 is fixedly installed on the bottom of the tightening component 2, the magnet 7 is fixedly installed on the bottom of the connecting base plate 3, and the magnet 7 has an opening adapted to the mounting end 4.

[0031] Specifically, the connecting base plate 3 facilitates a stable connection between the mounting end 4 and the tightening component 2.

[0032] In this embodiment, the upper end of the mounting end 4 passes through the magnet 7 and is threadedly connected to the connecting base plate 3. The mounting end 4 is connected to the connecting base plate 3, the tightening part 2 and the sensor body 1. The outer sides of the mounting end 4, the first adjusting ring 5 and the second adjusting ring 6 are all provided with a spiral structure 602. The mounting end 4, the first adjusting ring 5 and the second adjusting ring 6 are all made of copper. The top of the first adjusting ring 5 and the second adjusting ring 6 is embedded with an iron metal ring and there is a magnetic attraction between them and the magnet 7.

[0033] Specifically, the mounting end 4, the first adjusting ring 5, and the second adjusting ring 6 can be adapted to sensor mounting ports of different specifications, improving the applicability of the installation.

[0034] In this embodiment, the inner walls of the first adjusting ring 5 and the second adjusting ring 6 are both provided with threaded grooves 601. The spiral structure 602 on the outer side of the mounting end 4 is adapted to the threaded groove 601 on the inner wall of the first adjusting ring 5, and the spiral structure 602 on the outer side of the first adjusting ring 5 is adapted to the threaded groove 601 on the inner side of the second adjusting ring 6.

[0035] Specifically, by flexibly installing the mounting end 4, the first adjusting ring 5, and the second adjusting ring 6, the threaded groove 601 or the spiral structure 602 can be directly replaced after wear, ensuring the performance in later use.

[0036] In this embodiment, the substrate 8 is fixedly installed inside the sensor body 1, and the pressure-sensitive element 10, the processing circuit 11, and the terminal 12 are all fixedly installed on the circuit board 9. There is an electrical connection between the pressure-sensitive element 10, the processing circuit 11, and the terminal 12. The shielding component 13 is fixedly installed on the substrate 8. The shielding component 13 is specifically made of aluminum and its inner wall is coated with a graphene coating. The outer coating 14 is specifically a silicon carbide coating.

[0037] Specifically, the pressure-sensitive element 10 can detect the transmitted pressure and transmit it outward as an electrical signal. The shielding component 13 can effectively prevent the pressure-sensitive element 10 from being affected by electromagnetic interference, ensuring the accuracy of pressure measurement. The outer coating 14 can further enhance radiation resistance and corrosion resistance.

[0038] The working principle and usage process of this utility model: During the use of the sensor body 1, if there is electromagnetic interference in the environment, when the electromagnetic signal enters the sensor body 1, the aluminum shielding component 13 and the graphene coating on its inner side can effectively prevent the pressure sensitive element 10 from being affected by electromagnetic interference, ensuring the accuracy of pressure measurement. The silicon carbide outer coating 14 on the outside of the pressure sensitive element 10 can further improve the radiation resistance and corrosion resistance, ensuring service life.

[0039] Next, install the sensor body 1 in the required position. During this process, you can choose to use the mounting end 4, the first adjusting ring 5, and the second adjusting ring 6 to adapt to the sensor mounting port of the relevant equipment according to actual needs. If you choose to use the mounting end 4, you can keep the positions of the first adjusting ring 5 and the second adjusting ring 6 unchanged and directly use the lower end of the mounting end 4 to install the sensor body 1. If you need to adapt the first adjusting ring 5 to the sensor mounting port to install the sensor body 1, you can rotate the first adjusting ring 5 clockwise to lower it to be flush with the bottom end of the mounting end 4. At this time, you can use the mounting end 4 to drive the first adjusting ring 5 to be installed into the mounting port of the corresponding equipment. If you need to adapt the second adjusting ring 6 to the sensor mounting port... To install the sensor body 1, after adjusting the first adjusting ring 5, rotate the second adjusting ring 6 in the same way to lower it, until both the first adjusting ring 5 and the second adjusting ring 6 are flush with the bottom of the mounting end 4. At this point, the mounting end 4 can drive the first adjusting ring 5 and the second adjusting ring 6 together into the mounting port of the corresponding device. When the spiral structure 602 or the threaded groove 601 is worn, the mounting end 4, the first adjusting ring 5, and the second adjusting ring 6 can be directly replaced to ensure subsequent installation and usage effect. At the same time, the mounting end 4, the first adjusting ring 5, and the second adjusting ring 6 can provide three specifications of installation conditions to adapt to different specifications of sensor mounting ports, improving the applicability of installation.

[0040] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A high-precision static ultra-high pressure sensor, comprising a sensor body (1), wherein a tightening component (2) is provided at the bottom of the sensor body (1), characterized in that: The tightening component (2) has a connecting base plate (3) at its bottom, the connecting base plate (3) has an installation end (4) at its bottom, the installation end (4) has a first adjusting ring (5) on its top, the first adjusting ring (5) has a second adjusting ring (6) on its top, the connecting base plate (3) has a magnet (7) at its bottom, the sensor body (1) has a substrate (8) inside its interior, the substrate (8) has a circuit board (9) on its top, the circuit board (9) has a pressure-sensitive element (10) and a processing circuit (11) on its top, the circuit board (9) has a terminal (12) near the pressure-sensitive element (10) on its top, the substrate (8) has a shielding component (13) on its top, and the pressure-sensitive element (10) is coated with an outer coating layer (14) on its outer side. The second adjusting ring (6) includes a threaded groove (601) and a spiral structure (602). The spiral structure (602) is provided on the outer side of the second adjusting ring (6), and the threaded groove (601) is provided on the inner side of the second adjusting ring (6).

2. The high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The sensor body (1) is fixedly installed on the top of the tightening component (2), and the connecting base plate (3) is fixedly installed on the bottom of the tightening component (2).

3. The high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The magnet (7) is fixedly installed on the bottom of the connecting base plate (3), and the magnet (7) has an opening that is adapted to the mounting end (4).

4. A high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The upper end of the mounting end (4) passes through the magnet (7) and is threadedly connected to the connecting base plate (3). The mounting end (4) is connected to the connecting base plate (3), the tightening part (2), and the sensor body (1).

5. A high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The mounting end (4), the first adjusting ring (5), and the second adjusting ring (6) are all provided with a spiral structure (602). The mounting end (4), the first adjusting ring (5), and the second adjusting ring (6) are all made of copper. The top of the first adjusting ring (5) and the second adjusting ring (6) are embedded with iron metal rings and have magnetic attraction with the magnet (7).

6. A high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The inner walls of the first adjusting ring (5) and the second adjusting ring (6) are provided with threaded grooves (601), and the spiral structure (602) on the outer side of the mounting end (4) is adapted to the threaded groove (601) on the inner wall of the first adjusting ring (5).

7. A high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The spiral structure (602) on the outer side of the first adjusting ring (5) is adapted to the threaded groove (601) on the inner side of the second adjusting ring (6).

8. A high-precision static ultra-high pressure sensor according to claim 1, characterized in that: The substrate (8) is fixedly installed inside the sensor body (1). The pressure-sensitive element (10), processing circuit (11), and terminal (12) are all fixedly installed on the circuit board (9). There is an electrical connection between the pressure-sensitive element (10), processing circuit (11), and terminal (12). The shielding component (13) is fixedly installed on the substrate (8). The shielding component (13) is made of aluminum and its inner wall is coated with a graphene coating. The outer coating (14) is specifically a silicon carbide coating.

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