CN202522694U - On-line unit capable of realizing automatic meter calibration and meter calibration system - Google Patents
On-line unit capable of realizing automatic meter calibration and meter calibration system Download PDFInfo
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- CN202522694U CN202522694U CN2012201406409U CN201220140640U CN202522694U CN 202522694 U CN202522694 U CN 202522694U CN 2012201406409 U CN2012201406409 U CN 2012201406409U CN 201220140640 U CN201220140640 U CN 201220140640U CN 202522694 U CN202522694 U CN 202522694U
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Abstract
The utility model discloses an on-line unit capable of realizing automatic meter calibration and a meter calibration system. The on-line unit comprises an optical coupler filtering assembly, a 485 assembly, and a power supply assembly, wherein the optical coupler filtering assembly is connected with the 485 assembly via a plurality of resistors; the power supply assembly is connected with the optical coupler filtering assembly and the 485 assembly and provides operation voltage for the optical coupler filtering assembly and the 485 assembly; the optical coupler filtering assembly is connected to electric energy meters via a metering communication line; and the 485 assembly is connected to the calibration device via a table-body communication line. The design of the utility model makes it possible to realize simultaneous calibration of multiple meters. The on-line unit, with no need for a meter-reading device as the data carrier, can realize the data transmission through the direct connection communication between the signal filtering assembly and the 485 communication assembly, and can allow the simultaneous communication of multiple electric energy meters, thereby substantially raising the production efficiency. In addition, the on-line unit can directly be powered via the electrical network, thereby saving the trouble of using a battery and saving the energy. The on-line unit is low in cost, simple and practical. The utility model also discloses a calibration system employing the above mentioned on-line unit.
Description
Technical field
The utility model is about instrument and meter utility appliance field, more particular it, the utility model is especially about a kind of on-line unit of realizing the robotization calibration to far infrared electric energy meter or the electric energy meter that is not provided with the optical communication port.
Background technology
In the prior art, single channel far infrared electric energy meter all carries out communication through far infrared palm machine or similar far infrared communication device to single electric energy meter, realizes single epi-position calibration and carries out factory's batch process.Yet there is bigger defective in this technology, and for example infrared meter reading needs on-the-spot copy reading of equipment personnel and maintenance, increases cost; Infrared meter reading and verification exist certain inaccuracy and retardance; This copy reading and verification for intelligent electric energy meter has negative effect, therefore have the people to propose to utilize the improvement of single-chip microcomputer and channel to come this defective of customer service, but effect is not satisfactory; And it is cost is higher, and impracticable; Moreover infrared meter reading power consumption is consuming time, and only is to single table copy reading, needs the frequent change battery, is not ideal means therefore.
The utility model content
The utility model is intended to solve the defective that exists in the prior art; Propose a kind of on-line unit of realizing the robotization calibration, can realize online multi-epitope calibration simultaneously, need not meter reading equipment as data carrier; The communications simultaneously of a plurality of ammeters of ability, thus enhance productivity greatly.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme; A kind of on-line unit of realizing the robotization calibration; Comprise optocoupler filtering unit, 485 assemblies and power supply module, wherein said optocoupler filtering unit is connected with 485 assemblies through several resistance, and said power supply module is connected with 485 assemblies with the optocoupler filtering unit also provides WV for it.
Wherein, the optocoupler filtering unit is connected to electric energy meter through table meter connection, and said 485 assemblies are connected to calibration equipment through the stage body connection.
Wherein, 485 assemblies comprise 485 chips and four calibration communication terminals, and the calibration communication terminal picks out 485 chips through resistance.
Wherein, power supply module provides 3.3V WV for the optocoupler filtering unit, and said power supply module is that 485 assemblies provide 5V WV.
The utility model proposes a kind of meter correcting system simultaneously, and it comprises electric energy meter and calibration equipment, it is characterized in that: further comprise a foregoing on-line unit, said electric energy meter is connected to calibration equipment through on-line unit.
The design of the utility model has realized the online multi-epitope possibility of calibration simultaneously.Need not meter reading equipment as data carrier, directly directly be connected communication and realize data transmission through signal filtering assembly and 485 communication parts, and the communications simultaneously of a plurality of ammeters of ability, thereby enhance productivity greatly.Simultaneously, the utility model device can directly pass through mains supply, removes the use battery from, energy savings, and because cost is lower, simple and practical, therefore, the effect of the utility model is obvious.
Description of drawings
Fig. 1 is the structure principle chart of the utility model on-line unit;
Fig. 2 is the structure principle chart of the utility model meter correcting system.
Embodiment
Following optimal technical scheme of coming detailed description the utility model with reference to accompanying drawing.With reference to Fig. 1, the utility model on-line unit 10 comprises optocoupler filtering unit 1,485 assemblies 2 and power supply module 3, and wherein optocoupler filtering unit 1 is electrically connected with 485 assemblies 2 through resistance R 2, R3.Power supply module 3 is electrically connected and provides for it WV with optocoupler filtering unit 1 and 485 assemblies 2.
Wherein, optocoupler filtering unit 1 mainly by photoelectric tube as critical piece, and is connected table meter connection with RXD, with communication connection electric energy meter (among the figure sign) through communication terminal TXD.Likewise, 485 assemblies 2 are connected to calibration equipment through the stage body connection.
Wherein, 485 assemblies 2 comprise 485 chips 4 and four calibration communication terminal X1, X2, X3 and X4, and the calibration communication terminal picks out 485 chips 4 through resistance R 5, R6, R7.Calibration communication terminal X1, X2, X3 and X4 preferably are connected to the function end of correction platform.
Wherein, power supply module 3 provides 3.3V WV V3P3Y for optocoupler filtering unit 1, and is that 485 assemblies 2 provide 5V WV V485.
With reference to Fig. 2, the utility model proposes a kind of meter correcting system simultaneously, and it comprises electric energy meter 20 and calibration equipment 30, and further comprises a foregoing on-line unit 10, and electric energy meter 20 is connected to calibration equipment 30 through this on-line unit 10.
The utility model utilizes said structure to realize the verification of multi-epitope far infrared table meter, and simplified structure reduces cost.
Above-mentioned embodiment is not the concrete qualification to this utility model; Those skilled in the art can make various changes and distortion according to this utility model; Itself however break away from the spirit of the utility model, all should belong to the defined scope of accompanying claims of the present invention.
Claims (5)
1. on-line unit of realizing the robotization calibration; It is characterized in that: comprise optocoupler filtering unit, 485 assemblies and power supply module; Wherein said optocoupler filtering unit is connected with 485 assemblies through several resistance, and said power supply module is connected with 485 assemblies with the optocoupler filtering unit also provides WV for it.
2. the on-line unit of realization robotization calibration as claimed in claim 1 is characterized in that: said optocoupler filtering unit is connected to electric energy meter through table meter connection, and said 485 assemblies are connected to calibration equipment through the stage body connection.
3. the on-line unit of realization robotization calibration as claimed in claim 1 is characterized in that: said 485 assemblies comprise 485 chips and four calibration communication terminals, and said calibration communication terminal picks out 485 chips through resistance.
4. the on-line unit of realization robotization calibration as claimed in claim 1 is characterized in that: said power supply module provides 3.3V WV for the optocoupler filtering unit, and said power supply module is that 485 assemblies provide 5V WV.
5. meter correcting system, it comprises electric energy meter and calibration equipment, it is characterized in that: further comprise each described on-line unit in as the aforementioned claim 1～4, said electric energy meter is connected to calibration equipment through on-line unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201406409U CN202522694U (en) | 2012-04-01 | 2012-04-01 | On-line unit capable of realizing automatic meter calibration and meter calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201406409U CN202522694U (en) | 2012-04-01 | 2012-04-01 | On-line unit capable of realizing automatic meter calibration and meter calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202522694U true CN202522694U (en) | 2012-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201406409U Expired - Fee Related CN202522694U (en) | 2012-04-01 | 2012-04-01 | On-line unit capable of realizing automatic meter calibration and meter calibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202522694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609253A (en) * | 2019-10-30 | 2019-12-24 | 深圳供电局有限公司 | Photoelectric device of electric energy meter and infrared emission control method |
-
2012
- 2012-04-01 CN CN2012201406409U patent/CN202522694U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609253A (en) * | 2019-10-30 | 2019-12-24 | 深圳供电局有限公司 | Photoelectric device of electric energy meter and infrared emission control method |
| CN110609253B (en) * | 2019-10-30 | 2023-10-10 | 深圳供电局有限公司 | Electric energy meter photoelectric device and infrared emission control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20180401 |