CN219870123U - Pressure sensor calibrating device - Google Patents
Pressure sensor calibrating device Download PDFInfo
- Publication number
- CN219870123U CN219870123U CN202321057194.XU CN202321057194U CN219870123U CN 219870123 U CN219870123 U CN 219870123U CN 202321057194 U CN202321057194 U CN 202321057194U CN 219870123 U CN219870123 U CN 219870123U
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- Prior art keywords
- pressure sensor
- plate
- fixed block
- clamping
- push
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- 238000007599 discharging Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a pressure sensor calibration device, wherein a clamping mechanism comprises a bottom plate and a plurality of clamping seats which are arranged on the bottom plate at equal intervals and are used for fixing a pressure sensor; the supercharging mechanism comprises a fixed block, guide rods, a connecting plate and a balancing weight, wherein the two groups of guide rods are symmetrically arranged at the bottom of the fixed block, the connecting plate is slidably arranged between the two groups of guide rods, and the balancing weight is fixedly arranged on the connecting plate; the pressure sensor to be calibrated is sequentially placed in the clamping seat, the pressurizing mechanism calibrates the pressure sensors one by one under the cooperation of the linear moving mechanism and the lifting mechanism, and the fixing block moves downwards after moving to the upper part of the pressure sensor, so that the connecting plate and the balancing weight can apply pressure to the pressure bearing end of the pressure sensor, and then the numerical value of the pressure sensor is read to determine whether the pressure sensor is accurate or not.
Description
Technical Field
The utility model relates to the field of pressure sensor calibration, in particular to a pressure sensor calibration device.
Background
A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal to a usable output electrical signal according to a certain law. Pressure sensors are generally composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors, according to the type of test pressure. The pressure sensor is the most commonly used sensor in industrial practice, is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil well, electric power, ships, machine tools, pipelines and the like. Before the pressure sensor leaves the factory, the pressure sensor needs to be subjected to calibration test, and unqualified pressure sensors are prevented from flowing into the market.
The utility model discloses an auxiliary calibration device for a pressure sensor, which is disclosed in China patent publication No. CN210375518U, and is characterized in that a piston rod moves downwards through downward movement of a pressing plate, the piston rod moves downwards to press hydraulic oil in a hydraulic cylinder, the hydraulic oil enters a hydraulic pipe through a pressure-resistant connecting block and enters a hydraulic meter through the hydraulic pipe, at the moment, the hydraulic meter can display the pressure generated by the hydraulic oil, an operator can see whether the working pressure of a main body of the pressure sensor reaches the calibrated pressure according to the pressure of the hydraulic meter, but the device only can meet the calibration detection of an independent pressure sensor, has low calibration efficiency and influences the production efficiency of the pressure sensor.
Disclosure of Invention
First, the technical problem to be solved
In order to solve the above-mentioned problems of the prior art, the present utility model provides a pressure sensor calibration device.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a pressure sensor calibration device comprises a clamping mechanism, a pressurizing mechanism, a linear moving mechanism and a lifting mechanism;
the clamping mechanism comprises a bottom plate and a plurality of clamping seats which are arranged on the bottom plate at equal intervals and used for fixing the pressure sensor;
the supercharging mechanism comprises a fixed block, two guide rods, a connecting plate and a balancing weight, wherein the two guide rods are symmetrically arranged at the bottom of the fixed block, the connecting plate is slidably arranged between the two guide rods, and the balancing weight is fixedly arranged on the connecting plate;
the lifting end of the lifting mechanism is connected with the linear moving mechanism, the moving end of the linear moving mechanism is connected with the fixed block, and the fixed block is sequentially moved to the upper part of each clamping seat.
Preferably, the linear movement mechanism comprises a sliding block support, a sliding block, a screw rod and a motor, wherein a sliding groove is formed in the surface of the sliding block support, the screw rod is installed in the sliding groove, one end of the screw rod is connected with the motor, the sliding block is in threaded connection with the screw rod, and the fixed block is fixedly installed on the sliding block.
Preferably, the lifting mechanism comprises a back plate, a vertical guide rail and a first air cylinder;
the back plate is vertically arranged on the bottom plate, the vertical guide rail is arranged on the surface of the back plate, a sliding groove corresponding to the vertical guide rail is formed in the back of the sliding block support, and the piston of the first cylinder is connected with the sliding block support.
Preferably, the clamping seat comprises an L-shaped base and a limiting plate, the limiting plate is arranged on the vertical portion of the L-shaped base and is parallel to the horizontal portion of the L-shaped base, and the free end of the limiting plate is concavely provided with a containing groove for containing the pressure sensor.
Preferably, the device further comprises a discharging mechanism, wherein the discharging mechanism comprises a pushing plate, a pushing rod and a second cylinder, the pushing rod is provided with a plurality of pushing holes, the pushing rods are fixed on the pushing plate and correspond to the clamping seats one by one, the clamping seats are provided with pushing holes corresponding to the pushing rod, and the piston of the second cylinder is connected with the pushing plate.
Preferably, an electric heating device is arranged in the clamping seat.
(III) beneficial effects
The utility model has the beneficial effects that: by adopting the technical scheme, the pressure sensor to be calibrated is sequentially placed in the clamping seat, the pressurizing mechanism calibrates the pressure sensors one by one under the cooperation of the linear moving mechanism and the lifting mechanism, and the fixing block moves downwards after moving to the upper part of the pressure sensor, so that the connecting plate and the balancing weight can apply pressure to the pressure bearing end of the pressure sensor, and then the numerical value of the pressure sensor is read to determine whether the pressure sensor is accurate or not.
Drawings
FIG. 1 is a schematic diagram of a pressure sensor calibration device;
FIG. 2 is a schematic diagram of a front view of a pressure sensor calibration device;
FIG. 3 is a schematic view of a structure of a holder;
fig. 4 is a schematic structural view of a second embodiment of the present utility model.
[ reference numerals description ]
1. A clamping mechanism;
11. a bottom plate; 12. clamping; 121. an L-shaped base; 122. a limiting plate;
2. a pressurizing mechanism;
21. a fixed block; 22. a guide rod; 23. a connecting plate; 24. balancing weight;
3. a linear movement mechanism;
31. a slide block support; 32. a screw rod; 33. a slide block; 34. a motor;
4. a lifting mechanism;
41. a back plate; 42. a vertical guide rail; 43. a first cylinder;
5. a pressure sensor;
6. a discharging mechanism;
61. a second cylinder; 62. a push plate; 63. a push rod.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Referring to fig. 1 and 2, a first embodiment of the present utility model:
a pressure sensor calibration device comprises a clamping mechanism 1, a pressurizing mechanism 2, a linear moving mechanism 3 and a lifting mechanism 4;
the clamping mechanism 1 comprises a bottom plate 11 and a plurality of clamping seats 12 which are arranged on the bottom plate 11 at equal intervals and used for fixing the pressure sensor 5;
the supercharging mechanism 2 comprises a fixed block 21, guide rods 22, a connecting plate 23 and a balancing weight 24, wherein the guide rods 22 are provided with two groups, are symmetrically arranged at the bottom of the fixed block 21 left and right, the connecting plate 23 is slidably arranged between the two groups of guide rods 22, and the balancing weight 24 is fixedly arranged on the connecting plate 23;
the lifting end of the lifting mechanism 4 is connected with the linear moving mechanism 3, the moving end of the linear moving mechanism 3 is connected with the fixed block 21, and the fixed block 21 is sequentially moved to the upper part of each clamping seat 12;
when the pressure sensor 5 to be calibrated is sequentially placed in the clamping seat 12 during use, under the cooperation of the linear moving mechanism 3 and the lifting mechanism 4, the pressurizing mechanism 2 calibrates the pressure sensors 5 one by one, the fixing block 21 moves above the pressure sensors 5 and then moves downwards, so that the connecting plate 23 and the balancing weight 24 can apply pressure to the pressure stress end of the pressure sensors 5, and then the numerical value of the pressure sensors 5 is read to determine whether the pressure sensors 5 are accurate or not.
In this embodiment, the linear movement mechanism 3 includes a slider support 31, a slider 33, a screw rod 32 and a motor 34, a sliding groove is formed on the surface of the slider support 31, the screw rod 32 is installed in the sliding groove, one end of the screw rod 32 is connected with the motor 34, the slider 33 is in threaded connection with the screw rod 32, and the fixed block 21 is fixedly installed on the slider 33; the motor 34 drives the screw rod 32 to rotate, and the sliding block 33 on the screw rod 32 can move along the sliding groove, so that horizontal displacement of the fixed block 21 is realized.
In the present embodiment, the lifting mechanism 4 includes a back plate 41, a vertical guide rail 42, and a first cylinder 43;
the backboard 41 is vertically arranged on the bottom board 11, the vertical guide rail 42 is arranged on the surface of the backboard 41, the back of the sliding block support 31 is provided with a sliding groove corresponding to the vertical guide rail 42, and the piston of the first cylinder 43 is connected with the sliding block support 31; the first cylinder 43 drives the sliding block support 31 to lift, so that the lifting movement of the pressurizing mechanism 2 is indirectly controlled.
Referring to fig. 3, the holder 12 includes an L-shaped base 121 and a limiting plate 122, the limiting plate 122 is mounted on a vertical portion of the L-shaped base 121 and parallel to a horizontal portion of the L-shaped base 121, and a receiving groove for receiving the pressure sensor 5 is concavely formed at a free end of the limiting plate 122; in use, the pressure sensor 5 is placed on the L-shaped base 121 directly through the accommodating groove, so that the pressurizing mechanism 2 can calibrate the pressure sensor conveniently.
Referring to fig. 4, a second embodiment of the present utility model:
on the basis of the first embodiment, the device further comprises a discharging mechanism 6, a pushing plate 62 of the discharging mechanism 6, a pushing rod 63 and a second air cylinder 61, wherein the pushing rods 63 are provided with a plurality of pushing holes which are fixed on the pushing plate 62 and correspond to the clamping seats 12 one by one, the clamping seats 12 are provided with pushing holes corresponding to the pushing rods 63, and the piston of the second air cylinder 61 is connected with the pushing plate 62; when in use, the pushing plate 62 is pushed to move towards the direction of the clamping seat 12 by the second air cylinder 61, so that the pressure sensor 5 on the clamping seat 12 can be quickly dismounted.
Third embodiment of the utility model:
on the basis of the first and second embodiments, the electric heating device is installed in the holder 12, and the electric heating device can increase the temperature of the holder 12, and can detect the difference in accuracy of the pressure sensor 5 at different temperatures, thereby facilitating the calibration and detection of the pressure sensor 5.
The working principle of the utility model is as follows: the pressure sensor 5 to be calibrated is sequentially placed in the clamping seat 12, the pressurizing mechanism 2 calibrates the pressure sensors 5 one by one under the cooperation of the linear moving mechanism 3 and the lifting mechanism 4, and the fixing block 21 moves downwards after moving to the upper part of the pressure sensor 5, so that the connecting plate 23 and the balancing weight 24 can apply pressure to the pressure bearing end of the pressure sensor 5, and then the numerical value of the pressure sensor 5 is read to determine whether the pressure sensor 5 is accurate or not.
The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent changes made by the description of the utility model and the accompanying drawings, or direct or indirect application in the relevant art, are intended to be included within the scope of the utility model.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The pressure sensor calibration device is characterized by comprising a clamping mechanism (1), a pressurizing mechanism (2), a linear moving mechanism (3) and a lifting mechanism (4);
the clamping mechanism (1) comprises a bottom plate (11) and a plurality of clamping seats (12) which are arranged on the bottom plate (11) at equal intervals and are used for fixing the pressure sensor (5);
the supercharging mechanism (2) comprises a fixed block (21), guide rods (22), a connecting plate (23) and a balancing weight (24), wherein the two groups of guide rods (22) are symmetrically arranged at the bottom of the fixed block (21), the connecting plate (23) is slidably arranged between the two groups of guide rods (22), and the balancing weight (24) is fixedly arranged on the connecting plate (23);
the lifting end of the lifting mechanism (4) is connected with the linear moving mechanism (3), the moving end of the linear moving mechanism (3) is connected with the fixed block (21), and the fixed block (21) is sequentially moved to the upper part of each clamping seat (12).
2. A pressure sensor calibration device according to claim 1, characterized in that the linear movement mechanism (3) comprises a slide support (31), a slide block (33), a screw rod (32) and a motor (34), a slide groove is formed in the surface of the slide support (31), the screw rod (32) is installed in the slide groove, one end of the screw rod (32) is connected with the motor (34), the slide block (33) is in threaded connection with the screw rod (32), and the fixed block (21) is fixedly installed on the slide block (33).
3. A pressure sensor calibration device according to claim 2, characterized in that the lifting mechanism (4) comprises a back plate (41), a vertical rail (42) and a first cylinder (43);
the back plate (41) is vertically arranged on the bottom plate (11), the vertical guide rail (42) is arranged on the surface of the back plate (41), a sliding groove corresponding to the vertical guide rail (42) is formed in the back of the sliding block support (31), and the piston of the first air cylinder (43) is connected with the sliding block support (31).
4. A pressure sensor calibration device according to claim 1, wherein the holder (12) comprises
The clamping seat (12) comprises an L-shaped base (121) and a limiting plate (122), wherein the limiting plate (122) is installed on the vertical portion of the L-shaped base (121) and is parallel to the horizontal portion of the L-shaped base (121), and a containing groove for containing the pressure sensor (5) is concavely formed in the free end of the limiting plate (122).
5. The pressure sensor calibration device according to claim 1, further comprising a discharging mechanism (6), wherein the discharging mechanism (6) comprises a push plate (62), push rods (63) and a second air cylinder (61), the push rods (63) are provided with a plurality of push holes, the push holes are fixed on the push plate (62) and correspond to the clamping seats (12) one by one, push holes corresponding to the push rods (63) are formed in the clamping seats (12), and the piston of the second air cylinder (61) is connected with the push plate (62).
6. A pressure sensor calibration device according to claim 1, characterized in that the holder (12) has an electrical heating means mounted therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057194.XU CN219870123U (en) | 2023-05-05 | 2023-05-05 | Pressure sensor calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057194.XU CN219870123U (en) | 2023-05-05 | 2023-05-05 | Pressure sensor calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219870123U true CN219870123U (en) | 2023-10-20 |
Family
ID=88339795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057194.XU Active CN219870123U (en) | 2023-05-05 | 2023-05-05 | Pressure sensor calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219870123U (en) |
-
2023
- 2023-05-05 CN CN202321057194.XU patent/CN219870123U/en active Active
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