CN205483397U - Electronic pressure calibrator of gas medium - Google Patents
Electronic pressure calibrator of gas medium Download PDFInfo
- Publication number
- CN205483397U CN205483397U CN201620305664.3U CN201620305664U CN205483397U CN 205483397 U CN205483397 U CN 205483397U CN 201620305664 U CN201620305664 U CN 201620305664U CN 205483397 U CN205483397 U CN 205483397U
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Abstract
The utility model relates to an electronic pressure calibrator of gas medium, its characterized in that: it includes motor, motor link, cam, one -level piston rod, second level piston rod, tertiary piston rod, level four piston rod, one -level piston, one -level admission valve, one -level air outlet valve, second grade piston, second grade admission valve, second grade air outlet valve, tertiary piston, tertiary admission valve, tertiary air outlet valve, level four piston, level four admission valve, level four air outlet valve, pressure storage tank, boosting valve, reducing valve, fine setting, examines mechanism, pressure controller and pressure sensor, electronic pressure calibrator when it is compared the check -up and prohibit concentrated examination such as oily ordinary manometer, pressure transmitter as gas medium precision pressure gauge, this calibrator pre -compaction is very quick. In view of above reason, the utility model discloses can extensively be used for the big whether qualifiedly field such as manometer, pressure sensor of examining and determine in batches.
Description
Technical field
This utility model relates to metering field, especially with regard to a kind of gas medium electric press checker.
Background technology
Pressure gauge needs when dispatching from the factory to check whether that qualified needs uses gas medium checker to examine and determine, verification process not only needs low pressure but also need high pressure, generally low pressure is relatively easy to manufacture, and the manufacture of high pressure uses manual form, manually form makes pressure wastes time and energy, and can only verify for a Pressure gauge, thus work efficiency is relatively low, therefore the scope of application is relatively low. every time.
Summary of the invention
This utility model is in order to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of electric press checker as gas medium precision pressure gauge Inspection taboo oil ordinarily manometer, pressure transmitter etc. when high-volume concentrates calibrating, and this checker precompressed is the quickest.
For reaching above-mentioned purpose, this utility model mainly provides following technical scheme: a kind of gas medium electric press checker, it is characterized in that: it includes motor, motor link, cam, first stage piston bar, second piston rod, three grades of piston rods, level Four piston rod, first stage piston, one-level intake valve, one-level air outlet valve, second piston, secondary inlet valve, two grades of air outlet valves, three grades of pistons, three grades of intake valves, three grades of air outlet valves, level Four piston, level Four intake valve, level Four air outlet valve, accumulator, back-up valve, dropping valve, fine setting, tested mechanism, pressure controller and pressure transducer；Wherein, described motor being provided with described motor link, is provided with described cam in described motor link, described cam is arranged in the rotating shaft of described motor；Described cam be between the upper and lower every two halves part up and down, the interval, one end of the latter half connects one end of described first stage piston bar, other end interval connects one end of described second piston rod, the interval, one end of top half connects one end of described three grades of piston rods, other end interval connects one end of described level Four piston rod, the movable one end in described first stage piston of the other end of described first stage piston bar, the other end of described first stage piston is respectively arranged with described one-level intake valve and described one-level air outlet valve；The movable one end in described second piston of the other end of described second piston rod, the other end of described second piston is respectively arranged with described secondary inlet valve and described two grades of air outlet valves；The movable one end in described three grades of pistons of the other end of described three grades of piston rods, the other end of described three grades of pistons is respectively arranged with described three grades of intake valves and described three grades of air outlet valves；The movable one end in described level Four piston of the other end of described level Four piston rod, the other end of described level Four piston is respectively arranged with described level Four intake valve and described level Four air outlet valve；And described one-level air outlet valve connects described secondary inlet valve by pipeline, described two grades of air outlet valves connect described three grades of intake valves by pipeline, described three grades of air outlet valves connect described level Four intake valve by pipeline, described level Four intake valve connects the entrance of described accumulator by pipeline, and the outlet of described accumulator is sequentially connected with described back-up valve, described dropping valve, described fine setting and described tested mechanism by pipeline；Described tested mechanism includes eight stop valves and eight tested pressure gauge connections, one end of each described stop valve connects, by pipeline, the pipeline that described fine setting is connected, the other end of each described stop valve is by being provided with a precision pressure gauge and seven tested Pressure gauges on tested pressure gauge connection, and described tested pressure gauge connection described in pipeline correspondence connection one；Described pressure controller connects described pressure transducer by electric wire, and described pressure transducer is arranged on described accumulator, and described pressure controller connects described motor also by electric wire.
This utility model is owing to taking above technical scheme, it has the advantage that 1, this utility model uses level Four piston foot level supercharging, prestore in making accumulator by the effect of motor the highest pressure, when the pressure in accumulator arrives pressure set in advance, and make to produce higher precompressed at the work initial stage, having only to slowly open back-up valve during calibrating, pressure can steadily rise, and the rate of rise is very fast, thus avoid Pressure gauge that jumping phenomena occurs in verification process.2, this utility model is owing to being provided with seven tested pressure gauge connections, seven tested Pressure gauges can be examined and determine simultaneously, and it is provided with a stop valve on the pipeline of each tested pressure gauge connection front end, not only can arrange by oneself tested manometric quantity, in order to solves the problem that manual detection wastes time and energy.3, the tested pressure gauge connection of this utility model is snap joint, it is not necessary to by any instrument, and one hand is the most operable, only need to rotate clockwise Pressure gauge 5-6 and enclose, arbitrarily change direction, careless mistake can will not occurs by rollback 180 degree such as direction to be changed after connecting.In view of above reason, this utility model can be widely applied to high-volume and measures the most qualified field of pressure transducer.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is tested mechanism structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
As shown in Figure 1, this utility model one gas medium electric press checker, it includes motor 1, motor link 2, cam 3, first stage piston bar 4, second piston rod 5, three grades of piston rods 6, level Four piston rod 7, first stage piston 8, one-level intake valve 9, one-level air outlet valve 10, second piston 11, secondary inlet valve 12, two grades of air outlet valves 13, three grades of pistons 14, three grades of intake valves 15, three grades of air outlet valves 16, level Four piston 17, level Four intake valve 18, level Four air outlet valve 19, accumulator 20, back-up valve 21, dropping valve 22, fine setting 23, tested mechanism 24, pressure controller 25 and pressure transducer 26.
Wherein, motor 1 being provided with motor link 2, be provided with cam 3 in motor link 2, cam 3 is arranged in the rotating shaft of motor 1.Cam 3 be between the upper and lower every two halves part up and down, the interval, one end of the latter half connects one end of first stage piston bar 4, other end interval connects one end of second piston rod 5, the interval, one end of top half connects one end of three grades of piston rods 6, other end interval connects one end of level Four piston rod 7, each piston rod is all disposed within corresponding piston, i.e. movable one end in first stage piston 8 of the other end of first stage piston bar 4, the other end of first stage piston 8 is respectively arranged with one-level intake valve 9 and one-level air outlet valve 10；The movable one end in second piston 11 of the other end of second piston rod 5, the other end of second piston 11 is respectively arranged with secondary inlet valve 12 and two grades of air outlet valves 13；The movable one end in three grades of pistons 14 of the other end of three grades of piston rods 6, the other end of three grades of pistons 14 is respectively arranged with three grades of intake valves 15 and three grades of air outlet valves 16；The movable one end in level Four piston 17 of the other end of level Four piston rod 7, the other end of level Four piston 17 is respectively arranged with level Four intake valve 18 and level Four air outlet valve 19；And one-level air outlet valve 10 connects secondary inlet valve 12 by pipeline, two grades of air outlet valves 13 connect three grades of intake valves 15 by pipeline, three grades of air outlet valves 16 connect level Four intake valve 18 by pipeline, level Four intake valve 18 connects the entrance of accumulator 20 by pipeline, and the outlet of accumulator 20 is sequentially connected with back-up valve 21, dropping valve 22, fine setting 23 and tested mechanism 24 by pipeline.As shown in Figure 2, the most tested mechanism 24 includes eight stop valves 241 and eight tested pressure gauge connections 242, one end of each stop valve 241 connects, by pipeline, the pipeline that fine setting 23 is connected, the other end of each stop valve 241 connects a tested pressure gauge connection 242 by pipeline correspondence, and is provided with a precision pressure gauge 27 for calibration and seven tested Pressure gauges 28 on tested pressure gauge connection 242；Above-mentioned pressure controller 25 connects pressure transducer 26 by electric wire, and pressure transducer 26 is arranged on accumulator 20, and pressure controller 25 connects motor 1 (not shown) also by electric wire.
In above-described embodiment, tested pressure gauge connection 242 is snap joint, it is not necessary to by any instrument, one hand is the most operable, only need to rotate clockwise Pressure gauge 5-6 and enclose, arbitrarily change direction, careless mistake can will not occurs by rollback 180 degree such as direction to be changed after connecting.
Inspection Pressure gauge operation principle the most accurately is as follows: owing to Pressure gauge has corresponding range, all will be divided into some small-ranges by range, small-range is calibrating point, such as, range is 10, then calibrating point is usually 2,4,6,8,10, by Inspection precision pressure gauge 27 and tested Pressure gauge 28 each calibrating point, if each calibrating point all according to national standard within range of error, then assert that this tested Pressure gauge 28 is qualified；Otherwise, then assert that tested Pressure gauge 28 is defective.Above verification process is divided into just examines and returns inspection, is just examining as minimum to maximum process from range, and returning inspection is the process being up to minimum from range, and when tested Pressure gauge 28 is by just examining and return inspection, it is qualified that tested Pressure gauge 28 is identified as, and otherwise regards as defective.
During utility model works:
First, the pressure of accumulator 20 is set in pressure controller 25, and use pressure transducer 26 to detect force value in real time, and send this value to pressure controller 25, pressure controller 25 with its in the pressure that pre-sets compare, until reaching default pressure then stop supercharging, i.e. pressure controller 25 controls to stop powering for motor 1；
Open motor 1 power supply, the cam 3 arranged in the motor link 2 that motor 1 is arranged, cam 3 promotes first stage piston bar 4,5, three grades of stopper rods 6 of second piston rod and level Four piston rod 7 to move back and forth:
When cam 3 takes first stage piston bar 4 out of first stage piston 8, one-level intake valve 9 automatically turns on, and air is evacuated in first stage piston 8 by air by the air inlet of one-level intake valve 9；
When first stage piston bar 4 is pushed first stage piston 8 by cam 3, one-level intake valve 9 is automatically switched off, one-level air outlet valve 10 is opened, air is pushed in second piston 11 by secondary inlet valve 12 by pipeline by one-level air outlet valve 10, simultaneously, second piston rod 5 is taken out of second piston 11 by cam 3, and two grades of air outlet valves 13 cut out；
When second piston rod 5 is pushed second piston 11 by cam 3, secondary inlet valve 12 is automatically switched off, two grades of air outlet valves 13 are opened, air after pressurization is entered in three grades of pistons 14 by three grades of intake valves 15 by pipeline by two grades of air outlet valves 13, simultaneously, three grades of piston rods 6 are taken out of three grades of pistons 14 by cam 3, and three grades of air outlet valves 16 cut out；
When three grades of piston rods 6 are pushed three grades of pistons 14 by cam 3, three grades of intake valves 15 are automatically switched off, three grades of air outlet valves 16 are opened, three grades of air outlet valves 16 are opened and are entered level Four piston 17 in by the air after pressurization by level Four intake valve 18 by pipeline, simultaneously, level Four piston rod 7 is taken out of level Four piston 17 by cam 3, and level Four air outlet valve 19 cuts out；
When level Four piston rod 7 is pushed level Four piston 17 by cam 3, level Four intake valve 18 is automatically switched off, and level Four air outlet valve 19 is opened and forced air in accumulator 20, moves in circles until force value set in advance in reaching pressure controller 25, and motor 1 quits work.
Secondly, open back-up valve 21 so that the pressure in accumulator 20 is entered in the bourdon tube of precision pressure gauge 27 and each tested Pressure gauge 28 by pipeline, thus carry out forward and back towards calibrating.
Finally, open back-up valve 21, when the reading of precision pressure gauge 27 is not at calibrating point, then make the pointer of precision pressure gauge 27 point to calibrating point by fine setting 23；When the reading of precision pressure gauge 27 is at calibrating point, observe the reading of each tested Pressure gauge 28 whether within the error permissible range of standard verification？If error is not within range of allowable error, then corresponding stop valve 241 is closed；If error is within permissible range, then continue the detection of next calibrating point, verify the most one by one in the error in reading scope of the tested Pressure gauge of point 28 and precision pressure gauge 27 of examining and determine whether within range of error by this kind of mode, thus complete just to examine；
Open dropping valve 22 to bleed off pressure successively, tested Pressure gauge 28 is made to carry out backhaul detection with precision pressure gauge 27, when the reading of precision pressure gauge 27 is not at calibrating point, then use fine setting 23 that pressure is adjusted, so that the pointer of precision pressure gauge 27 points to calibrating point, pass sequentially through this kind of mode and verify one by one in the error in reading scope of the tested Pressure gauge of point 28 and precision pressure gauge 27 of examining and determine whether within range of error, thus complete back inspection.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (1)
1. a gas medium electric press checker, it is characterised in that: it includes motor, motor link, cam, first stage piston bar, second piston rod, three grades of piston rods, level Four piston rod, first stage piston, one-level intake valve, one-level air outlet valve, second piston, secondary inlet valve, two grades of air outlet valves, three grades of pistons, three grades of intake valves, three grades of air outlet valves, level Four piston, level Four intake valve, level Four air outlet valve, accumulator, back-up valve, dropping valve, fine setting, tested mechanism, pressure controller and pressure transducer；
Wherein, described motor being provided with described motor link, is provided with described cam in described motor link, described cam is arranged in the rotating shaft of described motor；Described cam be between the upper and lower every two halves part up and down, the interval, one end of the latter half connects one end of described first stage piston bar, other end interval connects one end of described second piston rod, the interval, one end of top half connects one end of described three grades of piston rods, other end interval connects one end of described level Four piston rod, the movable one end in described first stage piston of the other end of described first stage piston bar, the other end of described first stage piston is respectively arranged with described one-level intake valve and described one-level air outlet valve；The movable one end in described second piston of the other end of described second piston rod, the other end of described second piston is respectively arranged with described secondary inlet valve and described two grades of air outlet valves；The movable one end in described three grades of pistons of the other end of described three grades of piston rods, the other end of described three grades of pistons is respectively arranged with described three grades of intake valves and described three grades of air outlet valves；The movable one end in described level Four piston of the other end of described level Four piston rod, the other end of described level Four piston is respectively arranged with described level Four intake valve and described level Four air outlet valve；And described one-level air outlet valve connects described secondary inlet valve by pipeline, described two grades of air outlet valves connect described three grades of intake valves by pipeline, described three grades of air outlet valves connect described level Four intake valve by pipeline, described level Four intake valve connects the entrance of described accumulator by pipeline, and the outlet of described accumulator is sequentially connected with described back-up valve, described dropping valve, described fine setting and described tested mechanism by pipeline；Described tested mechanism includes eight stop valves and eight tested pressure gauge connections, one end of each described stop valve connects, by pipeline, the pipeline that described fine setting is connected, the other end of each described stop valve is by being provided with a precision pressure gauge and seven tested Pressure gauges on tested pressure gauge connection, and described tested pressure gauge connection described in pipeline correspondence connection one；Described pressure controller connects described pressure transducer by electric wire, and described pressure transducer is arranged on described accumulator, and described pressure controller connects described motor also by electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620305664.3U CN205483397U (en) | 2016-04-13 | 2016-04-13 | Electronic pressure calibrator of gas medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620305664.3U CN205483397U (en) | 2016-04-13 | 2016-04-13 | Electronic pressure calibrator of gas medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205483397U true CN205483397U (en) | 2016-08-17 |
Family
ID=56640634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620305664.3U Expired - Fee Related CN205483397U (en) | 2016-04-13 | 2016-04-13 | Electronic pressure calibrator of gas medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205483397U (en) |
-
2016
- 2016-04-13 CN CN201620305664.3U patent/CN205483397U/en not_active Expired - Fee Related
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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: 20160817 Termination date: 20180413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |