CN204613389U - A kind of High Precision Automatic calibration device for load box of mutual inductor - Google Patents
A kind of High Precision Automatic calibration device for load box of mutual inductor Download PDFInfo
- Publication number
- CN204613389U CN204613389U CN201520304784.7U CN201520304784U CN204613389U CN 204613389 U CN204613389 U CN 204613389U CN 201520304784 U CN201520304784 U CN 201520304784U CN 204613389 U CN204613389 U CN 204613389U
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- backboard
- high precision
- mutual inductor
- automatic calibration
- calibration device
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Abstract
The utility model discloses a kind of High Precision Automatic calibration device for load box of mutual inductor, comprise panel and backboard, described panel is provided with display screen from left to right successively, keyboard, regulator and power switch, described backboard comprises supply socket, mini-printer, Temperature Humidity Sensor, protective tube, binding post and earthing rod, described supply socket is arranged on backboard lower left, the right of described supply socket is provided with humiture inductor, described mini-printer is arranged on the upper left side of backboard, described protective tube, binding post and earthing rod are all arranged on the right side of backboard, this High Precision Automatic calibration device for load box of mutual inductor, adopt brand-new design, by pressure regulator, current lifting device, isolated voltage transformer combines together, have also been enlarged range ability simultaneously.In the process of calibrating Burden box, do not need external any equipment, wiring is also very simple, and what this instrument adopts is liquid crystal display simultaneously, is convenient for measuring, and this instrument can by the Burden box error measure of any dial gauge out.
Description
Technical field
The utility model relates to mutual inductor technical field, is specially a kind of High Precision Automatic calibration device for load box of mutual inductor.
Background technology
High Precision Automatic calibration device for load box of mutual inductor uses efficiency comparison in tester process low mainly for the calibrating of current Burden box, wiring more complicated, the precision of original tester and figure place showing deficiency and develop specially.Current verification Burden box has two kinds of methods: one adopts electrician's formula mutual inductor tester whole checking platform, this kind of method measuring accuracy is high, measurement range is also wider, but test speed is slow, and checking electronic type transformers platform does not generally have the function that measurement Burden box particularly measures Large Copacity Burden box, another kind method needs external pressure regulator current lifting device, isolated voltage transformer etc., and due to the precision of mutual-inductor tester itself not high, cause measuring result error larger, two kinds of methods all also exist same problem, various form or certificate can not be provided, and data backup is safeguarded and all there is larger problem with the connection of electric power MIS.For all the foregoing reasons, for the Burden box requiring to examine for a year, respectively try institute, power office, various places Administration of Quality and Technology Supervision all think that calibrating is a job of wasting time and energy with verification Burden box.
Utility model content
The purpose of this utility model is to provide a kind of High Precision Automatic calibration device for load box of mutual inductor, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of High Precision Automatic calibration device for load box of mutual inductor, comprises panel and backboard, and described panel is provided with display screen from left to right successively, keyboard, regulator and power switch, described backboard comprises supply socket, mini-printer, Temperature Humidity Sensor, protective tube, binding post and earthing rod, described supply socket is arranged on backboard lower left, and the right of described supply socket is provided with humiture inductor, and described mini-printer is arranged on the upper left side of backboard, described protective tube, binding post and earthing rod are all arranged on the right side of backboard, are also provided with system controller between described panel and backboard, tester, testing source, switch method of remote signal device, tested Burden box and hummer, the output terminal of described system controller respectively with described testing source, switch method of remote signal device, tester, the input end of hummer and display screen is electrically connected, and the described output terminal of switch method of remote signal device is connected with the input end of tester.
Preferably, the surface of described keyboard is provided with directionkeys, numerical key, page turning key, OK button and cancel key.
Preferably, described protective tube is at least two, and described binding post is at least eight.
Preferably, be also provided with PC and input equipment between described panel and backboard, the input end of described PC and the output terminal of described system controller and input end are connected to each other, and the output terminal of described input equipment is connected with described system controller input end.
Compared with prior art, the beneficial effects of the utility model are: this High Precision Automatic calibration device for load box of mutual inductor, adopts brand-new design, pressure regulator, current lifting device, isolated voltage transformer is combined together, have also been enlarged range ability simultaneously.Different positions can be switched to according to the difference of tested object numerical value in measuring process, measuring accuracy and figure place showing are guaranteed, automatically the volt-ampere number of current loads case can be extrapolated according to the result measured, power factor, error, reduce artificial input and because operating the inconvenience brought, in the process of calibrating Burden box, do not need external any equipment, wiring is also very simple, what this instrument adopts is liquid crystal display simultaneously, be convenient for measuring, this instrument can by the Burden box error measure of any dial gauge out, test data can store, can power down preserve, there is printing function, band humiture, time showing, can input test personnel code name, simple and convenient.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model theory structure block diagram.
In figure: 1 panel, 11 display screens, 12 keyboards, 13 regulators, 14 power switches, 2 backboard 21 supply sockets, 22 mini-printers, 23 Temperature Humidity Sensors, 24 protective tubes, 25 binding posts, 26 earthing rods, 3 system controllers, 4 PC, 5 input equipments, 6 hummers, 7 testers, 8 testing sources, 9 tested Burden box, 10 switch method of remote signal devices.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technical scheme: a kind of High Precision Automatic calibration device for load box of mutual inductor, comprises panel 1 and backboard 2, and described panel 1 is provided with display screen 11 from left to right successively, keyboard 12, regulator 13 and power switch 14, the surface of described keyboard 12 is provided with directionkeys, numerical key, page turning key, OK button and cancel key, described backboard 2 comprises supply socket 21, mini-printer 22, Temperature Humidity Sensor 23, protective tube 24, binding post 25 and earthing rod 26, described supply socket 21 is arranged on backboard 2 lower left, and the right of described supply socket 21 is provided with humiture inductor 23, and described mini-printer 22 is arranged on the upper left side of backboard 2, described protective tube 24, binding post 25 and earthing rod 26 are all arranged on the right side of backboard, and described protective tube 24 is at least two, and described binding post 25 is at least eight, are also provided with system controller 3 between described panel 1 and backboard 2, tester 7, testing source 8, switch method of remote signal device 10, tested Burden box 9 and hummer 6, the output terminal of described system controller 3 respectively with described testing source 8, switch method of remote signal device 10, tester 7, the input end of hummer 6 and display screen 11 is electrically connected, the output terminal of described switch method of remote signal device 10 is connected with the input end of tester 7, PC 4 and input equipment 5 is also provided with between described panel 1 and backboard 2, the input end of described PC 4 and the output terminal of described system controller 3 and input end are connected to each other, and the output terminal of described input equipment 5 is connected with the input end of described system controller 3.
Principle of work: this High Precision Automatic calibration device for load box of mutual inductor is simple to operate, concrete operations only need use four keys just can complete, the first screen is entered after start, its display measurement model, press " determination " key laggard enter main menu i.e. the second screen, press " ↑ " " ↓ " key to corresponding menu item, press " determination " key and enter corresponding submenu, select corresponding function as required.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. a High Precision Automatic calibration device for load box of mutual inductor, comprise panel (1) and backboard (2), it is characterized in that: described panel (1) is provided with display screen (11) from left to right successively, keyboard (12), regulator (13) and power switch (14), described backboard (2) comprises supply socket (21), mini-printer (22), Temperature Humidity Sensor (23), protective tube (24), binding post (25) and earthing rod (26), described supply socket (21) is arranged on backboard (2) lower left, the right of described supply socket (21) is provided with humiture inductor (23), described mini-printer (22) is arranged on the upper left side of backboard (2), described protective tube (24), binding post (25) and earthing rod (26) are all arranged on backboard (2) right side, system controller (3) is also provided with between described panel (1) and backboard (2), tester (7), testing source (8), switch method of remote signal device (10), tested Burden box (9) and hummer (6), the output terminal of described system controller (3) respectively with described testing source (8), switch method of remote signal device (10), tester (7), the input end of hummer (6) and display screen (11) is electrically connected, the output terminal of described switch method of remote signal device (10) is connected with the input end of tester (7).
2. the High Precision Automatic calibration device for load box of mutual inductor of one according to claim 1, is characterized in that: the surface of described keyboard (12) is provided with directionkeys, numerical key, page turning key, OK button and cancel key.
3. the High Precision Automatic calibration device for load box of mutual inductor of one according to claim 1, is characterized in that: described protective tube (24) is at least two, and described binding post (25) is at least eight.
4. the High Precision Automatic calibration device for load box of mutual inductor of one according to claim 1, it is characterized in that: between described panel (1) and backboard (2), be also provided with PC (4) and input equipment (5), the input end of described PC (4) and the output terminal of described system controller (3) and input end are connected to each other, and the output terminal of described input equipment (5) is connected with the input end of described system controller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520304784.7U CN204613389U (en) | 2015-05-11 | 2015-05-11 | A kind of High Precision Automatic calibration device for load box of mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520304784.7U CN204613389U (en) | 2015-05-11 | 2015-05-11 | A kind of High Precision Automatic calibration device for load box of mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613389U true CN204613389U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520304784.7U Expired - Fee Related CN204613389U (en) | 2015-05-11 | 2015-05-11 | A kind of High Precision Automatic calibration device for load box of mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403851A (en) * | 2015-12-07 | 2016-03-16 | 无锡市计量检定测试中心 | Calibration method and apparatus of mutual inductor load box |
-
2015
- 2015-05-11 CN CN201520304784.7U patent/CN204613389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403851A (en) * | 2015-12-07 | 2016-03-16 | 无锡市计量检定测试中心 | Calibration method and apparatus of mutual inductor load box |
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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: 20150902 Termination date: 20160511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |