CN217716770U

CN217716770U - Automatic calibrating device for pointer pressure gauge

Info

Publication number: CN217716770U
Application number: CN202220415180.XU
Authority: CN
Inventors: 孙正华
Original assignee: Suzhou Zhongdian Keqi Measurement & Testing Technology Co ltd
Current assignee: Suzhou Zhongdian Keqi Measurement & Testing Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-11-01
Anticipated expiration: 2032-02-28

Abstract

The utility model provides an automatic calibrating installation of pointer manometer, which comprises a frame, set up the pressure generator in the frame, set up the standard meter base in the frame, be fixed in the standard meter on the standard meter base, a plurality of series connection's the joint base that is used for fixed manometer that awaits measuring, still including setting up the electric valve that is used for the switch in connecting the base, set up the camera device that is used for shooting standard meter and manometer that awaits measuring in the frame, a computer, a plurality of joint bases and standard meter base, the pressure generator passes through the pipe and establishes ties, the standard meter, the camera device, the electric valve, the pressure generator all is connected with the computer. The standard meter and the pressure meters to be tested are shot by the camera device, the readings displayed by all the pressure meters are transmitted to the computer, and the readings are read and compared by the computer, so that a common manual reading method is replaced, the reading accuracy is improved, and the verification accuracy is ensured.

Description

Automatic calibrating device for pointer pressure gauge

Technical Field

The utility model relates to an automatic calibrating installation of pointer manometer.

Background

The pointer pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates pressure higher than ambient pressure, the pressure gauge is widely applied in the fields of industry and scientific research, if the pressure gauge fails or changes the value, the precision is lost, the reading error is caused, the production efficiency and the product quality are influenced, major accidents are possibly caused, and the pressure gauge needs to be periodically checked in order to ensure the accuracy of the value of the pressure gauge.

At present, the verification of the pressure gauge is mainly performed by manual visual inspection, the method not only consumes a large amount of manpower and material resources and is low in working efficiency, but also can cause eye fatigue for a long time, and when the reading pointer is positioned in the middle position of two scale marks, the reading pointer can only be roughly read due to low resolution of human eyes during manual reading, so that the accuracy of reading is influenced, the verification precision is reduced, and therefore the pointer pressure gauge verification device capable of automatically verifying and high in verification precision is required to be provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an automatic calibrating installation of pointer manometer.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an automatic calibrating installation of pointer manometer, include the frame, set up in pressure generator in the frame, set up in standard table base in the frame, be fixed in standard table, a plurality of series connection's the joint base that is used for fixed manometer that awaits measuring on the standard table base, still including set up in the joint base is used for the electric valve of switch, set up in be used for in the frame shooting the standard table with the photographic arrangement, the computer of manometer that awaits measuring, it is a plurality of the joint base with the standard table base the pressure generator passes through the pipe and establishes ties, the standard table photographic arrangement electric valve the pressure generator all with the computer is connected. The standard meter and the plurality of pressure meters to be detected are shot by the photographic device, the readings displayed by all the pressure meters are transmitted to the computer, and the computer reads and compares the readings, so that a common manual reading method is replaced, the reading accuracy is improved, and the verification accuracy is ensured; meanwhile, the reading comparison verification can be carried out on a plurality of pressure gauges to be tested at one time, so that the working efficiency is improved; adopt electric valve, replace manual switch valve for it is more automatic and intelligent to examine and determine, reduces labour cost.

Preferably, the standard meter base and the plurality of joint bases are uniformly distributed on one side of the frame, the standard meter and the pressure meter to be measured are fixed on the standard meter base in the same direction, the standard meter faces the other side of the frame, so that all the pressure meters can be shot by a subsequent shooting device conveniently, and comparison is facilitated.

Preferably, the opposite side of frame is provided with length direction and a plurality of connect the parallel guide rail of base distribution direction, photographic arrangement can slide must set up in on the guide rail, photographic arrangement orientation one side of frame sets up, if photographic arrangement locates when a fixed position, the non-manometer reading to photographic arrangement may be because shoot the angle problem for produce the error during the computer reading, and when the manometer that awaits measuring is too many, photographic arrangement can't shoot whole manometer when fixing a certain position, set up the guide rail, make photographic arrangement can move on the guide rail, can shoot whole manometer, and clear complete.

Preferably, camera device including slide set up in make a video recording mount pad, a tip on the guide rail are fixed in make a video recording telescopic link on the mount pad, be fixed in the camera of another tip of telescopic link, to the manometer that awaits measuring of different specifications size, its height is also different, can adjust the height of camera through the telescopic link for the photo data of shooing are more clear accurate.

Preferably, an internal thread which can be matched with the external thread of the pressure gauge to be measured is arranged in the joint base.

Preferably, the automatic calibrating device for the pointer pressure gauge further comprises an automatic leveling device fixed on the rack, wherein the automatic leveling device is connected with the computer, so that the level of the rack is ensured, and detection errors caused by the fact that the rack is uneven are prevented.

Preferably, the pressure generator is an automatic pressure generator and can generate different pressure values, so that when each pressure gauge to be tested is tested, different pressure values can be detected, and the detection accuracy is improved.

Preferably, the camera is a CCD industrial camera, the CCD industrial camera is higher in transmission speed, clear in imaging and high in resolution, and the detection is more accurate.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: 1. the utility model adopts the photographic device to shoot the standard meter and a plurality of pressure meters to be tested, and the readings displayed by all the pressure meters are transmitted to the computer, and are read and compared by the computer, thereby replacing the common manual reading method, improving the accuracy of the readings and ensuring the accuracy of the verification; meanwhile, the reading comparison verification can be carried out on a plurality of pressure gauges to be tested at one time, so that the working efficiency is improved; an electric valve is adopted to replace a manual valve opening and closing, so that the verification is more automatic and intelligent, and the labor cost is reduced;

2. the pressure gauge is arranged on one side of the rack, the photographic device is arranged on the other side of the rack in a sliding manner, so that all the pressure gauges can be conveniently shot by a subsequent photographic device, comparison is convenient, if the photographic device is at a fixed position, the reading of the pressure gauge which is not over against the photographic device is possible to cause errors in the reading of a computer due to the problem of shooting angles, and when the pressure gauge to be detected is too many, the photographic device cannot shoot all the pressure gauges when being fixed at a certain position;

3. the heights of the pressure gauges to be measured are different, and the height of the camera can be adjusted through the telescopic rod, so that shot picture data are clearer and more accurate;

4. adopt automatic pressure generator, can produce different pressure values for when every manometer that awaits measuring tests, can detect different pressure values, improve the detection accuracy.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a front view of the present invention;

wherein 1, a frame; 11. a guide rail; 2. a pressure generator; 3. a standard meter base; 31. a standard table; 4. a joint base; 41. an electrically operated valve; 5. a photographing device; 51. a camera mounting base; 52. a telescopic rod; 53. a camera; 6. a pressure gauge to be tested; 7. a computer; 8. a conduit; 9. an automatic leveling device.

Detailed Description

The automatic calibrating device for the pointer pressure gauge shown in each figure comprises a frame 1, an automatic pressure generator arranged on the frame 1, a standard gauge base 3 arranged on the frame 1, a standard gauge 31 fixed on the standard gauge base 3, three connector bases 4 connected in series and used for fixing a pressure gauge 6 to be tested, an electric valve 41 arranged on the connector bases 4 and used for opening and closing, a photographic device 5 arranged on the frame 1 and used for photographing the standard gauge 31 and the pressure gauge 6 to be tested, and a computer 7, wherein the three connector bases 4 are connected with the standard gauge base 3 and the automatic pressure generator in series through a guide pipe 8, and the standard gauge 31, the photographic device 5, the electric valve 41 and the automatic pressure generator are all connected with the computer 7.

The standard meter and the three pressure meters to be detected are shot by the photographic device, the readings displayed by all the pressure meters are transmitted to the computer, and the computer reads and compares the readings, so that a common manual reading method is replaced, the reading accuracy is improved, and the verification accuracy is ensured; meanwhile, the reading comparison verification can be carried out on the three pressure gauges to be tested at one time, so that the working efficiency is improved; adopt electric valve, replace manual switch valve for examine and determine more automaticly and intelligent, reduce labour's cost.

As shown in fig. 1, standard table base 3 evenly lays in one side of frame 1 with three joint base 4, standard table 31 is fixed in on standard table base 3 the same with the manometer 6 orientation that awaits measuring, standard table 31 sets up towards frame 1 opposite side, the opposite side of frame 1 is provided with length direction and the parallel guide rail 11 of three joint base 4 distribution direction, photographic arrangement 5 can slide and must set up on guide rail 11, photographic arrangement 5 sets up towards one side of frame 1, manometer and photographic arrangement's distribution, photographic arrangement can shoot all manometers when convenient follow-up shooting, convenient contrast.

If the photographic device is at a fixed position, the reading of the pressure gauge which is not over against the photographic device may cause errors in the reading of the computer due to the problem of shooting angles, and when the number of pressure gauges to be detected is too large, the photographic device cannot shoot all the pressure gauges when being fixed at a certain position;

as shown in fig. 2, the photographing device 5 includes a camera mounting seat 51 slidably disposed on the guide rail 11, an expansion link 52 having one end fixed to the camera mounting seat 51, and a CCD industrial camera fixed to the other end of the expansion link 52, and for pressure gauges to be measured with different specifications and sizes, the heights of the cameras can be adjusted by the expansion link, so that the photographed picture data is clearer and more accurate.

The telescopic rod 52 is provided with a row of locking holes, and the camera is fixed by screws after the height of the camera is determined, and the telescopic rod 52 is a common telescopic rod with wide application and is not described in detail herein.

Be provided with in the joint base 4 can with the external screw thread assorted internal thread of the manometer 6 that awaits measuring, the manometer 6 that awaits measuring can be dismantled and set up on the joint base 4, conveniently changes the manometer and examine and determine.

As shown in fig. 2, the automatic calibrating device for the pointer pressure gauge further comprises an automatic leveling device 9 fixed on the machine frame 1, wherein the automatic leveling device 9 is connected with the computer 7, so that the machine frame is guaranteed to be horizontal, and detection errors caused by the fact that the machine frame is not flat are prevented.

The working principle is as follows: at first guarantee the frame level through computer control automatic leveling device, install the manometer that awaits measuring on the joint base, the manual regulation camera height, then computer control electric valve opens, open automatic pressure generator, automatic pressure generator constantly carries steam in the guide pipe, treat the registration of standard table and the pointer of manometer that awaits measuring after stable, the slip camera, take all manometer, then adjust automatic pressure generator, change the delivery capacity of steam, make pressure different, rethread slip camera, the registration of standard table and manometer that awaits measuring under the shooting, after three data of group are measured, close electric valve, the manometer that awaits measuring is torn down, more renew manometer, so relapse, accomplish the examination to the manometer.

In this embodiment, once can examine and determine three manometer, in application, can reduce or increase the joint base according to the examination demand, with all joint bases and standard table base and pressure generator pass through the pipe and establish ties can, the suitability is strong.

In the present invention, the connection between each device and the computer is based on fig. 1.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an automatic calibrating installation of pointer manometer, include frame (1), set up in pressure generator (2) in frame (1), set up in standard table base (3) in frame (1), be fixed in standard table (31) on standard table base (3), a plurality of series connection be used for fixed manometer (6) joint base (4) that awaits measuring, its characterized in that: still including set up in connect base (4) be used for the switch electric valve (41), set up in be used for shooing in frame (1) standard table (31) with camera device (5), computer (7) of manometer (6) await measuring, it is a plurality of connect base (4) with standard table base (3) pressure generator (2) are established ties through pipe (8), standard table (31) camera device (5) electric valve (41) pressure generator (2) all with computer (7) are connected.

2. The automatic calibrating device for the pointer pressure gauge according to claim 1, wherein: the standard meter base (3) and the plurality of joint bases (4) are uniformly arranged on one side of the rack (1), the standard meter (31) and the pressure meter (6) to be tested are fixed on the standard meter base (3) in the same direction, and the standard meter (31) faces the other side of the rack (1).

3. The automatic calibrating device for the pointer pressure gauge according to claim 2, wherein: the other side of frame (1) is provided with length direction and a plurality of connect guide rail (11) that the base (4) distribution direction is parallel, camera device (5) can slide and set up in on guide rail (11), camera device (5) orientation one side setting of frame (1).

4. The automatic calibrating device for the pointer pressure gauge according to claim 3, wherein: the photographic device (5) comprises a camera mounting seat (51) arranged on the guide rail (11) in a sliding mode, an expansion link (52) with one end fixed on the camera mounting seat (51), and a camera (53) fixed at the other end of the expansion link (52).

5. The automatic calibrating device for the pointer pressure gauge according to claim 1, wherein: an internal thread which can be matched with the external thread of the pressure gauge (6) to be measured is arranged in the joint base (4).

6. The automatic calibrating device for the pointer pressure gauge according to claim 1, wherein: the automatic calibrating device for the pointer pressure gauge further comprises an automatic leveling device (9) fixed on the rack (1), and the automatic leveling device (9) is connected with the computer (7).

7. The automatic calibrating device for the pointer pressure gauge according to claim 1, wherein: the pressure generator (2) is an automatic pressure generator.

8. The automatic calibrating device for the pointer pressure gauge according to claim 4, wherein: the camera (53) is a CCD industrial camera.