CN210037074U - Integrated air pressure calibration device - Google Patents
Integrated air pressure calibration device Download PDFInfo
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- CN210037074U CN210037074U CN201921232741.7U CN201921232741U CN210037074U CN 210037074 U CN210037074 U CN 210037074U CN 201921232741 U CN201921232741 U CN 201921232741U CN 210037074 U CN210037074 U CN 210037074U
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Abstract
The utility model discloses an integration atmospheric pressure calibration equipment for the check-up waits to rectify the table, the input and the high-pressure air source pipeline intercommunication of the device's high atmospheric pressure access group, the input and the low-pressure air source pipeline intercommunication of low atmospheric pressure access group, high-pressure air source and low-pressure air source through the high atmospheric pressure access group that corresponds and low atmospheric pressure access group transmit to the standard table on the check-up station and wait to rectify the table, check-up station and high atmospheric pressure access with set up on the pipeline of low atmospheric pressure access intercommunication discharge valve. The utility model discloses an integration atmospheric pressure calibration equipment through switching the atmospheric pressure route, can realize high-pressure check-up and low pressure check-up respectively, and the operation of being convenient for provides calibration efficiency.
Description
Technical Field
The utility model relates to an atmospheric pressure detects technical field, especially relates to an integration atmospheric pressure calibration equipment.
Background
When the existing air pressure calibration device is used for high-pressure calibration and low-pressure calibration of a station, high-pressure calibration equipment and low-pressure calibration equipment need to be used respectively, a large amount of labor and time are consumed, the calibration process is complicated, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integration atmospheric pressure calibration equipment solves the problem that need adopt high-pressure check-up equipment and low pressure check-up equipment respectively to cause inefficiency when carrying out the high-low pressure check-up to the station.
In order to achieve the above object, the utility model provides a following scheme:
an integrated air pressure calibration device is used for calibrating a table to be calibrated, and specifically comprises: the device comprises a high-pressure air source, a high-pressure passage group, a low-pressure air source, a low-pressure passage group, an exhaust valve, a checking station and a standard meter;
the calibration station is provided with the standard table and the table to be calibrated;
the input end of the high-pressure passage group is communicated with the high-pressure gas source pipeline, and the output end of the high-pressure passage group is respectively communicated with the plurality of checking station pipelines; high-pressure air of the high-pressure air source is transmitted to the standard meter and the meter to be corrected of the checking station through the high-pressure air passage group and is used for performing high-pressure checking on the meter to be corrected;
the input end of the low-pressure passage group is communicated with the low-pressure gas source pipeline, and the output end of the low-pressure passage group is respectively communicated with the plurality of checking station pipelines; low-pressure air of the low-pressure air source is transmitted to the standard table and the table to be corrected of the checking station through the low-pressure passage group and is used for performing low-pressure checking on the table to be corrected;
and the exhaust valves are arranged on pipelines of the plurality of checking stations, which are communicated with the high-pressure passage and the low-pressure passage.
Optionally, the high-pressure passage set includes a high-pressure passage.
Optionally, the high-pressure passage is 1 passage.
Optionally, the high-pressure passages are arranged in multiple paths, and a plurality of the high-pressure passages are connected in parallel.
Optionally, the high-pressure passage includes a high-pressure precise pressure regulating valve, a high-pressure electromagnetic valve and a first check valve, and the high-pressure precise pressure regulating valve, the high-pressure electromagnetic valve and the first check valve are sequentially arranged in a high-pressure airflow direction.
Optionally, the low pressure passage set comprises a low pressure passage.
Optionally, the low-pressure passage is 1-way.
Optionally, the low-pressure passages are arranged in multiple ways, and a plurality of the low-pressure passages are connected in parallel.
Optionally, the low-pressure passage includes a low-pressure precise pressure regulating valve, a low-pressure solenoid valve, and a second check valve, and the low-pressure precise pressure regulating valve, the low-pressure solenoid valve, and the second check valve are sequentially arranged in a low-pressure airflow direction.
Optionally, the integrated air pressure calibration device further includes a plurality of calibration electromagnetic valves, and the number of the calibration electromagnetic valves is set corresponding to the calibration stations; the calibration electromagnetic valve is arranged at the air pressure input end of the calibration station and used for controlling the on-off of the air pressure of the corresponding standard meter and the meter to be calibrated.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model discloses an integration atmospheric pressure calibration equipment combines high pressure calibration system and low pressure calibration system to be in the same place, makes the device can realize high pressure calibration and low pressure calibration respectively through switching, and operation process is simple to solved and used high pressure calibration equipment respectively and press the calibration to check the device, consumed the long problem of time, improved the efficiency of high-low pressure calibration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the integrated air pressure calibration device of the present invention;
1-high pressure gas source, 2-high pressure precise pressure regulating valve, 3-high pressure electromagnetic valve, 4-first one-way valve, 5-low pressure gas source, 6-low pressure precise pressure regulating valve, 7-low pressure electromagnetic valve, 8-second one-way valve, 9-exhaust valve, 10-check electromagnetic valve, 11-standard meter, 12-meter to be corrected.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing an integration atmospheric pressure calibration equipment can realize high pressure check-up and low pressure check-up respectively through switching, and operation process is simple.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the integrated air pressure calibration apparatus provided in this embodiment is used for calibrating a table to be calibrated, and includes a high pressure calibration system, a low pressure calibration system, a calibration station, and a standard table 11.
The high-voltage verification system comprises: the device comprises a high-pressure air source 1 and a high-pressure passage group, wherein the input end of the high-pressure passage group is communicated with a pipeline of the high-pressure air source 1, and the output end of the high-pressure passage group is respectively communicated with a plurality of calibration station pipelines; the high-pressure air of the high-pressure air source 1 is transmitted to the standard meter 11 and the meter to be corrected 12 of the checking station through the high-pressure air passage group, and is used for performing high-pressure checking on the meter to be corrected 12.
The low pressure verification system includes: the system comprises a low-pressure air source 5 and a low-pressure passage group, wherein the input end of the low-pressure passage group is communicated with a low-pressure air source 5 through a pipeline, and the output end of the low-pressure passage group is respectively communicated with a plurality of checking station pipelines; and the low-pressure air of the low-pressure air source 5 is transmitted to the standard meter 11 and the meter to be corrected 12 of the checking station through the low-pressure passage group, and is used for performing low-pressure checking on the meter to be corrected 12.
The utility model provides an atmospheric pressure calibration equipment is as a whole with high pressure calibration system and low pressure calibration system, through the switching to high pressure calibration system and low pressure calibration system, can treat fast that the correction table carries out high pressure correction and low pressure correction, and the check-up is consuming time fewly, convenient operation.
In a specific implementation process, the high-pressure passage of the high-pressure passage group and the low-pressure passage of the low-pressure passage group can be one or multiple.
Each high-pressure passage comprises a high-pressure precise pressure regulating valve 2, a high-pressure electromagnetic valve 3 and a first one-way valve 4 which are sequentially arranged in the direction of high-pressure airflow.
Each low-pressure passage comprises a low-pressure precise pressure regulating valve 6, a low-pressure electromagnetic valve 7 and a second one-way valve 8 which are arranged in sequence according to the direction of low-pressure airflow.
The high-pressure precise pressure regulating valve 2 is used for regulating the pressure of high-pressure gas, and the low-pressure precise pressure regulating valve 6 is used for regulating the pressure of low-pressure gas, so that different pressure calibration environments can be provided for the station to be calibrated.
The first check valve 4 and the second check valve 8 make different passages independent from each other, and avoid causing air pressure to jump up each other.
The high-pressure electromagnetic valve 3 and the low-pressure electromagnetic valve 7 respectively control each passage to convey air pressure to a standard meter 11 and a to-be-corrected meter 12 of a checking station; when a plurality of paths of air pressure channels are selected, the corresponding electromagnetic valves are controlled, so that the pressure intensity can be switched rapidly, and the calibration efficiency is improved.
The exhaust valve 10 is arranged on a pipeline communicated with the high-pressure passage and the low-pressure passage on the checking station and used for exhausting the air pressure of the checking station, so that the influence of the air pressure with different pressures on the checking process is avoided, and the checking precision is improved. In a specific implementation process, as shown in fig. 1, an exhaust valve 10 may be respectively disposed in the high-pressure calibration system and the low-pressure calibration system, so that the exhaust efficiency can be improved, the time for switching between different pressures can be shortened, and the calibration speed can be increased.
The integrated air pressure checking device further comprises a plurality of checking electromagnetic valves 10, and the number of the checking electromagnetic valves 10 is set corresponding to the checking stations; the calibration electromagnetic valve 10 is arranged at the air pressure input end of the calibration station and used for controlling the on-off of the air pressure of the corresponding standard meter 11 and the meter to be calibrated 12.
In practical application, the integrated air pressure calibration device comprises a standard meter 11 and 5 to-be-calibrated meters 12 on a plurality of calibration stations respectively, and can be operated and controlled by 1 person at the same time, so that the calibration efficiency is improved.
The price of the high-pressure precise pressure regulating valve is high, and the high-pressure precise pressure regulating valve can drive a plurality of checking stations, so that the utilization rate of the high-pressure precise pressure regulating valve is improved, and the equipment cost is greatly reduced.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. An integrated air pressure calibration device for calibrating a table to be calibrated, the calibration device comprising: the device comprises a high-pressure air source, a high-pressure passage group, a low-pressure air source, a low-pressure passage group, an exhaust valve, a checking station and a standard meter;
the calibration station is provided with the standard table and the table to be calibrated;
the input end of the high-pressure passage group is communicated with the high-pressure gas source pipeline, and the output end of the high-pressure passage group is respectively communicated with the plurality of checking station pipelines; high-pressure air of the high-pressure air source is transmitted to the standard meter and the meter to be corrected of the checking station through the high-pressure air passage group and is used for performing high-pressure checking on the meter to be corrected;
the input end of the low-pressure passage group is communicated with the low-pressure gas source pipeline, and the output end of the low-pressure passage group is respectively communicated with the plurality of checking station pipelines; low-pressure air of the low-pressure air source is transmitted to the standard table and the table to be corrected of the checking station through the low-pressure passage group and is used for performing low-pressure checking on the table to be corrected;
and the exhaust valves are arranged on pipelines of the plurality of checking stations, which are communicated with the high-pressure passage and the low-pressure passage.
2. The integrated air pressure verification device of claim 1, wherein the set of high air pressure passages includes a high air pressure passage.
3. The integrated air pressure verification device according to claim 2, wherein the high air pressure passage is 1-way.
4. The integrated air pressure verification device according to claim 2, wherein the high air pressure passages are arranged in multiple paths, and a plurality of the high air pressure passages are connected in parallel.
5. The integrated air pressure calibration device according to any one of claims 2 to 4, wherein the high air pressure passage comprises a high pressure precision pressure regulating valve, a high pressure solenoid valve and a first check valve, and the high pressure precision pressure regulating valve, the high pressure solenoid valve and the first check valve are arranged in sequence in a high pressure air flow direction.
6. The integrated air pressure verification device of claim 1, wherein the set of low air pressure passages includes a low air pressure passage.
7. The integrated air pressure verification device according to claim 6, wherein the low air pressure passage is 1-way.
8. The integrated air pressure verification device according to claim 6, wherein the low air pressure passages are arranged in multiple paths, and a plurality of the low air pressure passages are connected in parallel.
9. The integrated air pressure verification device according to any one of claims 6 to 8, wherein the low air pressure passage comprises a low pressure precision pressure regulating valve, a low pressure solenoid valve and a second check valve, and the low pressure precision pressure regulating valve, the low pressure solenoid valve and the second check valve are arranged in sequence in a low pressure air flow direction.
10. The integrated air pressure checking device according to claim 1, further comprising a plurality of checking electromagnetic valves, wherein the number of the checking electromagnetic valves is corresponding to the checking stations; the calibration electromagnetic valve is arranged at the air pressure input end of the calibration station and used for controlling the on-off of the air pressure of the corresponding standard meter and the meter to be calibrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232741.7U CN210037074U (en) | 2019-08-01 | 2019-08-01 | Integrated air pressure calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232741.7U CN210037074U (en) | 2019-08-01 | 2019-08-01 | Integrated air pressure calibration device |
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| CN210037074U true CN210037074U (en) | 2020-02-07 |
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| CN201921232741.7U Active CN210037074U (en) | 2019-08-01 | 2019-08-01 | Integrated air pressure calibration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319973A (en) * | 2019-08-01 | 2019-10-11 | 红旗仪表（长兴）有限公司 | A kind of integration air pressure calibration equipment and method |
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- 2019-08-01 CN CN201921232741.7U patent/CN210037074U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319973A (en) * | 2019-08-01 | 2019-10-11 | 红旗仪表（长兴）有限公司 | A kind of integration air pressure calibration equipment and method |
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