CN220583671U - Leveling device based on micro differential pressure gauge - Google Patents

Leveling device based on micro differential pressure gauge Download PDF

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Publication number
CN220583671U
CN220583671U CN202321767533.3U CN202321767533U CN220583671U CN 220583671 U CN220583671 U CN 220583671U CN 202321767533 U CN202321767533 U CN 202321767533U CN 220583671 U CN220583671 U CN 220583671U
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China
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differential pressure
pressure gauge
micro
micro differential
leveling device
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CN202321767533.3U
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陈挺
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Shanghai Institute Of Measurement And Testing Technology (national Center Of Testing Technology Shanghai National Center Of Measurement And Testing For East China Shanghai Compulsory Verificaiton Center For Measuring Instrument)
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Shanghai Institute Of Measurement And Testing Technology (national Center Of Testing Technology Shanghai National Center Of Measurement And Testing For East China Shanghai Compulsory Verificaiton Center For Measuring Instrument)
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Abstract

The utility model relates to a leveling device based on a micro differential pressure meter, which aims to solve the technical problems of low efficiency and inaccuracy of manual reading of the current micro differential pressure meter, and comprises a base, wherein one end of the base is provided with an image acquisition mechanism, the other end of the base is provided with a quick-mounting mechanism, and the center of the quick-mounting mechanism is collinear with the center of the image acquisition mechanism; the image acquisition mechanism comprises a guide rail, a sliding block, an adjusting hand wheel, a camera fixing seat, an industrial camera and an illuminating lamp. The utility model takes the machine vision technology as the basis, utilizes the image acquisition mechanism to shoot the micro differential pressure meter to be leveled which is arranged in the quick assembly mechanism, outputs shooting data to the external data processing device to read, and compared with the existing detection mode of manually reading the micro differential pressure meter, the utility model realizes the accurate reading mode of automatically focusing the camera, and is favorable for the external data processing device to accurately read through a reading algorithm.

Description

Leveling device based on micro differential pressure gauge
Technical Field
The utility model relates to the technical field of measurement and test, in particular to a leveling device based on a micro differential pressure gauge.
Background
The micro differential pressure gauge is used as a field indicator for measuring micro differential pressure, can measure the micro pressure of positive pressure, negative pressure and differential pressure, and is mainly used for measuring the positive and negative differential pressure of pharmaceutical factories, electronic clean rooms and clean workshops, and the differential pressure of heating ventilation air conditioners, purifying typhoon showers, clean air conditioner filter screens and the like.
In the verification process of the existing pointer type pressure gauge, as the pointer type pressure gauge has no circuit part and no communication module, the pointer type pressure gauge cannot be automatically detected by a computer, the pointer type pressure gauge is always verified by manual pressurization, manual reading and manual recording, and the reading of the pointer type pressure gauge also needs to be estimated and read according to the difference of the precision grades of the pressure gauge and the minimum graduation of 1/5 to 1/10, so that the efficiency is low and errors exist. In view of this, we propose a leveling device based on micro differential pressure gauge
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a leveling device based on a micro differential pressure gauge so as to solve the technical problems of low efficiency and inaccuracy of manual reading of the current micro differential pressure gauge.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the leveling device based on the micro differential pressure gauge comprises a base, wherein one end of the base is provided with an image acquisition mechanism, the other end of the base is provided with a quick-mounting mechanism, and the center of the quick-mounting mechanism is collinear with the center of the image acquisition mechanism;
the image acquisition mechanism comprises a guide rail, a sliding block, an adjusting hand wheel, a camera fixing seat, an industrial camera and an illuminating lamp, wherein the guide rail is fixedly arranged on the base, the sliding block is movably arranged on the guide rail, the adjusting hand wheel penetrates through the sliding block and is in contact connection with the surface of the guide rail, the industrial camera is fixedly arranged on the sliding block through the camera fixing seat, and the illuminating lamp is sleeved on the end of the industrial camera lens.
Preferably, the illuminating lamp is a ring-shaped LED lamp.
Preferably, the quick-mounting mechanism comprises a micro differential pressure gauge placing seat fixedly arranged at the other end of the base relative to the camera fixing seat, a stand column is arranged on one side, far away from the camera fixing seat, of the micro differential pressure gauge placing seat, a compression rod is movably connected to the top of the stand column, and a micro differential pressure gauge placing cavity is formed by the head of the compression rod and the head clearance of the micro differential pressure gauge placing seat.
Preferably, the head of the micro differential pressure meter placing seat is of a circular groove structure which is concave downwards, and the circle center of the circular groove is collinear with the circle center of the industrial camera.
Preferably, the illuminating lamp forms an annular illumination field on the front surface of the micro differential pressure meter placing seat in a working state, and the size of the annular illumination field is matched with the size of the circular groove.
Preferably, the top end of the upright post is provided with a slot, the pressing rod is a bent U-shaped rod, the tail end of the pressing rod is inserted into the slot and is connected with a spring, and the other end of the spring is fixedly connected with the bottom surface of the slot.
Preferably, the upright post is provided with a long hole.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model takes the machine vision technology as the basis, utilizes the image acquisition mechanism to shoot the micro differential pressure meter to be leveled which is placed in the quick assembly mechanism, outputs shooting data to the external data processing device to read, and compared with the existing detection mode of manually reading the micro differential pressure meter, the utility model realizes the accurate reading mode of automatically focusing the camera, and the annular lighting lamp is sleeved at the lens end of the industrial camera to carry out reflection compensation, so that the shooting image of the industrial camera is finer, and the external data processing device is favorable for accurately reading through a reading algorithm.
Drawings
FIG. 1 is a schematic diagram of the overall frontal structure of the present utility model;
FIG. 2 is a schematic view of the overall rear structure of the present utility model;
FIG. 3 is a schematic view showing the structural separation of the image acquisition mechanism according to the present utility model;
FIG. 4 is a schematic view showing the disassembly of the quick assembly mechanism according to the present utility model;
in the figure: 1. a base; 2. an image acquisition mechanism; 3. a quick-mounting mechanism;
201. a guide rail; 202. a slide block; 203. an adjusting hand wheel; 204. a camera fixing seat; 205. an industrial camera; 206. a lighting lamp;
301. a micro differential pressure gauge placing seat; 302. a column; 303. a compression bar; 304. a slot; 305. and (3) a spring.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
examples: the leveling device based on the micro differential pressure gauge, see fig. 1 to 4, comprises a base 1, wherein one end of the base 1 is provided with an image acquisition mechanism 2, the other end of the base 1 is provided with a quick-mounting mechanism 3, and the center of the quick-mounting mechanism 3 is collinear with the center of the image acquisition mechanism 2; the image acquisition mechanism 2 comprises a guide rail 201, a sliding block 202, an adjusting hand wheel 203, a camera fixing seat 204, an industrial camera 205 and an illuminating lamp 206, wherein the guide rail 201 is fixedly arranged on the base 1, the sliding block 202 is movably arranged on the guide rail 201, the adjusting hand wheel 203 penetrates through the sliding block 202 and is in contact connection with the surface of the guide rail 201, the industrial camera 205 is fixedly arranged on the sliding block 202 through the camera fixing seat 204, and the illuminating lamp 206 is sleeved on the lens end of the industrial camera 205. It is noted that the illumination lamp 206 is a ring LED lamp. The utility model takes the machine vision technology as the basis, utilizes the image acquisition mechanism 2 to shoot the micro differential pressure meter to be leveled which is placed in the quick-mounting mechanism 3, outputs shooting data to the external data processing device to read, and compared with the existing detection mode of manually reading the micro differential pressure meter, the utility model realizes the accurate reading mode of automatically focusing the camera, and the annular illuminating lamp 206 is sleeved at the lens end of the industrial camera 205 to carry out reflection compensation, so that the shooting image of the industrial camera 205 is finer, and the external data processing device is favorable for accurate reading through a reading algorithm.
Specifically, the quick-assembling mechanism 3 includes a micro-differential pressure gauge placing seat 301 fixedly arranged at the other end of the base 1 relative to the camera fixing seat 204, a stand column 302 is arranged on one side, far away from the camera fixing seat 204, of the micro-differential pressure gauge placing seat 301, a compression bar 303 is movably connected to the top of the stand column 302, and a micro-differential pressure gauge placing cavity is formed by the head of the compression bar 303 and the head gap of the micro-differential pressure gauge placing seat 301. It should be noted that the head of the micro differential pressure gauge placing seat 301 is a concave circular groove structure, and the center of the circular groove is collinear with the center of the industrial camera 205. It is noted that, the illumination lamp 206 forms an annular illumination field on the front surface of the micro-differential pressure meter placing seat 301 in a working state, and the size of the annular illumination field is adapted to the size of the circular groove, so that the industrial camera 205 shoots and has a larger shooting angle, smaller shadow dead zone, improved optical fiber capturing rate of the lens and reduced stray light influence.
It should be noted that, the top end of the upright post 302 is provided with a slot 304, the compression bar 303 is a bent U-shaped bar, the tail end of the compression bar is inserted into the slot 304 and is connected with a spring 305, and the other end of the spring 305 is fixedly connected with the bottom surface of the slot 304. The utility model adopts a spring clamping calibration mode, so that the micro differential pressure gauge to be leveled placed in the quick-mounting mechanism 3 can be quickly aligned with the industrial camera 205, and the detection efficiency is improved.
In addition, the upright post 302 is provided with a long hole, which is beneficial to the penetration of the tail end of the micro differential pressure gauge to be leveled which is placed in the quick-mounting mechanism 3, thereby being convenient for the cooperation with an external air source device.
Working principle: pulling a compression bar 303 which is elastically connected with the upright post 302, placing a micro differential pressure gauge to be leveled in a micro differential pressure gauge placing cavity, and communicating the tail end of the micro differential pressure gauge with an external air source device by penetrating out of a long hole on the upright post 302; the position of the sliding block 202 on the guide rail 201 is adjusted, the relative position of the lens of the industrial camera 205 and a micro differential pressure gauge to be leveled (based on clear shadowless dead zone) is determined under the annular illumination field of the annular illumination lamp 206, and the adjusting hand wheel 203 on the sliding block 202 is rotated, so that the adjusting hand wheel 203 is in interference fixation with the guide rail 201 under the action of friction force; finally, the shooting data of the industrial camera 205 are output to an external data processing device for reading.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims (7)

1. The leveling device based on the micro differential pressure gauge is characterized by comprising a base (1), wherein an image acquisition mechanism (2) is arranged at one end of the base (1), a fast-assembling mechanism (3) is arranged at the other end of the base (1), and the circle center of the fast-assembling mechanism (3) is collinear with the circle center of the image acquisition mechanism (2);
the image acquisition mechanism (2) comprises a guide rail (201), a sliding block (202), an adjusting hand wheel (203), a camera fixing seat (204), an industrial camera (205) and an illuminating lamp (206), wherein the guide rail (201) is fixedly arranged on the base (1), the sliding block (202) is movably arranged on the guide rail (201), the adjusting hand wheel (203) is arranged on the sliding block (202) in a penetrating mode and is connected with the surface of the guide rail (201) in a contact mode, the industrial camera (205) is fixedly arranged on the sliding block (202) through the camera fixing seat (204), and the illuminating lamp (206) is sleeved on the end of the industrial camera (205).
2. The micro-differential pressure gauge-based leveling device of claim 1, wherein the illumination lamp (206) is a ring LED lamp.
3. The leveling device based on the micro differential pressure gauge according to claim 2, wherein the quick assembly mechanism (3) comprises a micro differential pressure gauge placing seat (301) fixedly arranged at the other end of the base (1) relative to the camera fixing seat (204), a stand column (302) is arranged on one side, away from the camera fixing seat (204), of the micro differential pressure gauge placing seat (301), a compression rod (303) is movably connected to the top of the stand column (302), and a micro differential pressure gauge placing cavity is formed by the head of the compression rod (303) and the head clearance of the micro differential pressure gauge placing seat (301).
4. A micro differential pressure gauge based leveling device according to claim 3, characterized in that the head of the micro differential pressure gauge placement seat (301) is a concave round groove structure, and the circle center of the round groove is collinear with the circle center of the industrial camera (205).
5. The micro-differential pressure gauge-based leveling device according to claim 4, wherein the illuminating lamp (206) forms a circular illumination field on the front surface of the micro-differential pressure gauge placement seat (301) in an operating state, and the size of the circular illumination field is adapted to the size of the circular groove.
6. The leveling device based on the micro differential pressure gauge according to claim 3, wherein the top end of the upright post (302) is provided with a slot (304), the pressing rod (303) is a bent U-shaped rod, the tail end of the pressing rod is inserted into the slot (304) and is connected with a spring (305), and the other end of the spring (305) is fixedly connected with the bottom surface of the slot (304).
7. A micro-differential pressure gauge based leveling device according to claim 3, characterized in that the upright (302) is provided with a slot.
CN202321767533.3U 2023-07-07 2023-07-07 Leveling device based on micro differential pressure gauge Active CN220583671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321767533.3U CN220583671U (en) 2023-07-07 2023-07-07 Leveling device based on micro differential pressure gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321767533.3U CN220583671U (en) 2023-07-07 2023-07-07 Leveling device based on micro differential pressure gauge

Publications (1)

Publication Number Publication Date
CN220583671U true CN220583671U (en) 2024-03-12

Family

ID=90112261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321767533.3U Active CN220583671U (en) 2023-07-07 2023-07-07 Leveling device based on micro differential pressure gauge

Country Status (1)

Country Link
CN (1) CN220583671U (en)

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