CN203083668U - Pressure type differential pressure level meter calibrating device - Google Patents
Pressure type differential pressure level meter calibrating device Download PDFInfo
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- CN203083668U CN203083668U CN 201320107590 CN201320107590U CN203083668U CN 203083668 U CN203083668 U CN 203083668U CN 201320107590 CN201320107590 CN 201320107590 CN 201320107590 U CN201320107590 U CN 201320107590U CN 203083668 U CN203083668 U CN 203083668U
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- pressure
- loading plate
- communicating pipe
- differential pressure
- bearing plate
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Abstract
The utility model discloses a pressure type differential pressure level meter calibrating device. A pressure outlet of a standard pressure generator is communicated with a pressure inlet of a pressure calibration instrument through a first communicating pipe; a liquid level meter supporting device is composed of a base, a bearing plate, rotating shafts and hanging posts; the bottom end of the bearing plate is fixed together with the base so as to be in a vertical state relative to the base; the even number of hanging posts used for hanging differential pressure level meters to be detected and arranged on the bearing plate are arranged into two lines, and the root end of each hanging post is hinged on the bearing plate through each of the rotating shafts; two ends of a sliding chute arranged on a plate body close to the top end of the bearing plate respectively and correspondingly extend to two sides of the bearing plate; the root ends of a pair of hanging posts closest to the top end of the bearing plate and/or the rotating shafts arranged at the root ends of the pair of hanging posts are limited by the sliding chute and can slide back and forth along the sliding chute when driven by an external force; and the other pressure outlet of the standard pressure generator is butted and communicated with a nozzle at one end of a second communicating pipe. The pressure type differential pressure level meter calibrating device is simple in structure, rapid in operation and installation, time-saving, labor-saving and lower in cost.
Description
Technical field
The utility model relates to the calibration equipment of detected pressures formula differential pressure levelmeter measuring error, particularly pressure type differential pressure levelmeter calibrating installation.
Background technology
The principle of work of differential pressure levelmeter is to come measuring liquid level by the pressure differential between 2 about the detection liquid level, and it is widely used in modern industry production, transportation.The manufacturer of differential pressure levelmeter is numerous, the production technology comparative maturity, the resemblance basically identical, thus make things convenient for the popularization in market and installing and using of client, also for its calibration operation bring convenient.Perfect inadequately at the calibration operation of differential pressure levelmeter, the nationwide does not have unified and fixing calibrating installation basically but at present.Indivedual production firms have built the device of verification differential pressure levelmeters such as water tower formula calibrating instrument, but consider that from the angle in safety and space this device can't satisfy the calibrating demand of relatively large journey liquid level gauge, simultaneously, cost is higher, operation, install complicatedly, effectively do not promoted.
The utility model content
The purpose of this utility model is to provide a kind of pressure type differential pressure levelmeter calibrating installation, and is simple in structure, operation, quick for installation, time saving and energy saving, and cost is lower.
The purpose of this utility model is achieved in that a kind of pressure type differential pressure levelmeter calibrating installation, comprise pressure testers, first communicating pipe and normal pressure generator with two pressure outlets, a pressure outlet of normal pressure generator is communicated with the pressure intake of pressure testers by first communicating pipe, pressure testers is given pressure that pressure testers transmitted by measuring by the normal pressure generator through the fluid media (medium) of first communicating pipe output through first communicating pipe by the normal pressure generator, also comprise second communicating pipe and liquid level gauge bracing or strutting arrangement, the liquid level gauge bracing or strutting arrangement is by base, loading plate, rotating shaft and hanging column constitute, loading plate bottom and base install so that the relative base of loading plate is upright state, and the butt that the hanging column that the even number that is provided with on loading plate is used to hang up differential pressure liquid level meter to be checked is arranged to two row and each hanging column is hinged on loading plate by rotating shaft; Hanging column be used for when this pressure type differential pressure levelmeter calibrating installation is worked, being subjected to driving force act in the plane that does not overlap with the plane vertical with surface level around rotating shaft rotate so that the setting of relative loading plate to hang up differential pressure liquid level meter to be checked or horizontally-arranged at loading plate, the corresponding respectively dual-side that extends to loading plate in its two ends of chute that on the close plate body on its top of loading plate, are provided with, nearest a pair of hanging column butt and/or this rotating shaft that hanging column butt is equipped with are subjected to chute spacing and can reciprocatingly slide along chute when driven by external force apart from the loading plate top, another pressure outlet of normal pressure generator with second communicating pipe one the end mouth of pipe connect and be communicated with.
According to the regulation among the JJG971-2002 " liquid level gauge measurement verification regulations ", range can adopt the method calibrating of pressure simulation liquid level greater than the liquid level gauge of 2000mm, and the range of differential pressure levelmeter is generally all more than 5000mm, so, but the utility model verification range reaches the above differential pressure levelmeter of 5000mm.The utility model comprises pressure testers, portable forcing pump (normal pressure generator), liquid level gauge bracing or strutting arrangement and communicating pipe.The pressure testers accuracy class reaches 0.01%FS, the liquid level gauge bracing or strutting arrangement is used to hang up differential pressure levelmeter to be checked, another pressure outlet with pressure intake that connects differential pressure levelmeter to be checked second communicating pipe and portable forcing pump, when need detecting differential pressure levelmeter, again connected the pressure outlet of portable forcing pump and the gravitation intake of pressure testers first communicating pipe and get final product.Before operation the utility model, the relative loading plate of hanging column is holded up to hang up differential pressure levelmeter to be checked, suppress to pressure testers and differential pressure levelmeter to be checked simultaneously by portable forcing pump, to realizing calibrating, be converted to the liquid level gauge height by both pressure ratio by the pressure-type liquidometer mathematical model to tested liquid level gauge.The liquid level gauge bracing or strutting arrangement is according to the configuration design of differential pressure levelmeter, and the many groups of design hanging column is hung up differential pressure levelmeter to be checked (only need be stuck in the screw hole of liquid level gauge back on the hanging column) with convenient at differing heights.The utility model is simple in structure, operation, quick for installation, time saving and energy saving, and cost is lower.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a general assembly perspective view of the present utility model;
Fig. 2 is the perspective view of the utility model liquid level gauge bracing or strutting arrangement.
Embodiment
A kind of pressure type differential pressure levelmeter calibrating installation, as Fig. 1, shown in Figure 2, comprise pressure testers 1, first communicating pipe 40 and normal pressure generator 2 with two pressure outlets, a pressure outlet of normal pressure generator 2 is communicated with the pressure intake of pressure testers 1 by first communicating pipe 40, pressure testers 1 is by the pressure of normal pressure generator 2 by being transmitted for pressure testers 1 by normal pressure generator 2 through first communicating pipe 40 through the fluid media (medium) measurement of first communicating pipes 40 output, also comprise second communicating pipe 41 and liquid level gauge bracing or strutting arrangement 3, liquid level gauge bracing or strutting arrangement 3 is by base 31, loading plate 32, rotating shaft and hanging column 33 constitute, loading plate 32 bottoms and base 31 install so that loading plate 32 relative bases 31 are upright state, and the hanging column 33 that the even number that is provided with on loading plate 32 is used to hang up differential pressure liquid level meter 5 to be checked is arranged to two and is listed as and the butt of each hanging column 33 is hinged on loading plate 32 by rotating shaft; Hanging column 33 be used for when this pressure type differential pressure levelmeter calibrating installation is worked, being subjected to driving force act in the plane that does not overlap with the plane vertical with surface level around rotating shaft rotate so that 32 settings of relative loading plate to hang up differential pressure liquid level meter 5 to be checked or horizontally-arranged at loading plate 32, the corresponding respectively dual-side that extends to loading plate 32 in chute 34 its two ends that on the loading plate 32 close plate bodys on its top, is provided with, nearest a pair of hanging column 33 butts and/or this rotating shaft that hanging column 33 butts are equipped with are subjected to chute 34 spacing and can reciprocatingly slide along chute 34 when driven by external force apart from loading plate 32 tops, another pressure outlet of normal pressure generator 2 with second communicating pipes 41 1 the end mouth of pipe connect and be communicated with, the other end mouth of pipe of second communicating pipe 41 connects with the pressure intake of differential pressure liquid level meter 5 to be checked and is communicated with.
As shown in Figure 2, the liquid level gauge bracing or strutting arrangement relate to profile corresponding to differential pressure levelmeter, during installation, only need be stuck in the screw hole of differential pressure levelmeter to be checked back above the hanging column and get final product, thereby the assurance differential pressure levelmeter is vertically placed, and promptly is consistent with actual user mode.Hanging column can satisfy the demand of different calibrating height.Simultaneously, consider the difference of indivedual differential pressure levelmeter outward appearances, a pair of hanging column on the most contiguous loading plate top can reciprocatingly slide along chute, and this also just freely changes the relative distance between the hanging column, has satisfied the calibrating demand of different model liquid level gauge.Hanging column adopts rotating shaft to be connected with loading plate, the calibrating differential pressure levelmeter process in and the calibrating differential pressure levelmeter work finish after, obsolete hanging column can overturn around the shaft and contact with loading plate, can avoid hanging column to the liquid level gauge installation influence like this, also can save placement space.
First communicating pipe 40 and second communicating pipe 41 constituted by copper communicating pipe.With copper communicating pipe connecting pressure testers and differential pressure levelmeter to be checked, can guarantee its sealing and security.After the pressure outlet of the pressure intake of differential pressure levelmeter to be checked and portable forcing pump being connected with second communicating pipe, set the calibrating point according to the range ability of differential pressure levelmeter to be checked, utilize portable forcing pump to suppress, write down the liquid level indicating value of liquid level gauge and pressure testers respectively at each calibrating point, the typing verification system, after finishing whole verification process, just can obtain the error of indication and the verification result of differential pressure levelmeter to be checked.
Claims (3)
1. pressure type differential pressure levelmeter calibrating installation, comprise pressure testers (1), first communicating pipe (40) and have the normal pressure generator (2) of two pressure outlets, a pressure outlet of normal pressure generator (2) is communicated with the pressure intake of pressure testers (1) by first communicating pipe (40), pressure testers (1) is by the pressure of normal pressure generator (2) by being transmitted for pressure testers (1) by normal pressure generator (2) through first communicating pipe (40) through the fluid media (medium) measurement of first communicating pipe (40) output, it is characterized in that: also comprise second communicating pipe (41) and liquid level gauge bracing or strutting arrangement (3), liquid level gauge bracing or strutting arrangement (3) is by base (31), loading plate (32), rotating shaft and hanging column (33) constitute, loading plate (32) bottom and base (31) install so that the relative base of loading plate (32) (31) is upright state, go up hanging column (33) that the even number that is provided with is used to hang up differential pressure liquid level meter to be checked (5) at loading plate (32) and are arranged to two and are listed as and the butt of each hanging column (33) is hinged on loading plate (32) by rotating shaft; Hanging column (33) be used for when this pressure type differential pressure levelmeter calibrating installation is worked, being subjected to driving force act in the plane that does not overlap with the plane vertical with surface level around rotating shaft rotate so that relative loading plate (32) setting to hang up differential pressure liquid level meter to be checked (5) or horizontally-arranged in loading plate (32), loading plate (32) near its two ends of chute (34) that are provided with on the plate body on its top respectively correspondence extend to the dual-side of loading plate (32), nearest a pair of hanging column (33) butt and/or this rotating shaft that hanging column (33) butt is equipped with are subjected to chute (34) spacing and can reciprocatingly slide along chute (34) when driven by external force apart from loading plate (32) top, another pressure outlet of normal pressure generator (2) with second communicating pipes (41) one the end mouth of pipe connect and be communicated with.
2. pressure type differential pressure levelmeter calibrating installation according to claim 1 is characterized in that: normal pressure generator (2) is a hand-operating pressure pump.
3. pressure type differential pressure levelmeter calibrating installation according to claim 1 is characterized in that: first communicating pipe (40) and second communicating pipe (41) constituted by copper communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107590 CN203083668U (en) | 2013-03-08 | 2013-03-08 | Pressure type differential pressure level meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107590 CN203083668U (en) | 2013-03-08 | 2013-03-08 | Pressure type differential pressure level meter calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083668U true CN203083668U (en) | 2013-07-24 |
Family
ID=48829493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107590 Expired - Fee Related CN203083668U (en) | 2013-03-08 | 2013-03-08 | Pressure type differential pressure level meter calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061985A (en) * | 2014-07-03 | 2014-09-24 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Riverway pressure type water level indicator verification and calibration method |
| CN110530583A (en) * | 2019-08-23 | 2019-12-03 | 苏州赛智达智能科技有限公司 | Detection device for differential pressure levelmeter |
-
2013
- 2013-03-08 CN CN 201320107590 patent/CN203083668U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061985A (en) * | 2014-07-03 | 2014-09-24 | 安徽省（水利部淮河水利委员会）水利科学研究院 | Riverway pressure type water level indicator verification and calibration method |
| CN110530583A (en) * | 2019-08-23 | 2019-12-03 | 苏州赛智达智能科技有限公司 | Detection device for differential pressure levelmeter |
| CN110530583B (en) * | 2019-08-23 | 2021-06-04 | 苏州赛智达智能科技有限公司 | Detection device for differential pressure liquid level meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20150308 |
|
| EXPY | Termination of patent right or utility model |