CN205067715U - Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets - Google Patents
Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets Download PDFInfo
- Publication number
- CN205067715U CN205067715U CN201520476387.8U CN201520476387U CN205067715U CN 205067715 U CN205067715 U CN 205067715U CN 201520476387 U CN201520476387 U CN 201520476387U CN 205067715 U CN205067715 U CN 205067715U
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- phase electric
- reset
- resets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets, the three -phase electric energy meter resets and takes place calibrating installation and include three -phase electric energy meter calibration equipment, three -phase electric energy meter calibration equipment includes pocket watch frame and master control center, the pocket watch frame is gone up to distribute there is a plurality of epitope, the three -phase electric energy meter resets and takes place calibrating installation still including reseing generating device, the generating device that restores to the throne is whole integrated on a circuit board, forms the frock board that restores to the throne, the frock that restores to the throne board with the epitope one -to -one is installed the back of epitope, the front of epitope is provided with the test interface that resets, reset the test interface including being used for and the MCU that installs the three -phase electric energy meter on the corresponding gauge stand control interface that resets that the foot links to each other that resets, the control interface that resets is continuous with the reset signal output of the frock board that resets at the corresponding epitope back. The utility model discloses steerable three -phase electric energy meter resets, and comprehensive evaluation of is carried out to the credibility after still can reseing to the three -phase electric energy meter.
Description
Technical field
The utility model relates to a kind of three-phase electric energy meter and resets calibrating installation occurs, and also relates to a kind of three-phase electric energy meter and to reset credible test platform.
Background technology
Electric energy meter is when practical application, and in electrical network, magnetic interference, radiation interference all may cause electric energy meter metering fault, and the data affecting electric energy meter store, and these faults can affect the accuracy of electric energy meter metering, cause damage to power supply enterprise or user.For addressing these problems, electric energy meter manufacturer is provided with software reset's function to electric energy meter, and namely the automatic Signal analysis failure condition according to input starts the reset function of electric energy meter.But the equipment for three-phase electrical energy meter used at present can only be tested conventional func such as the error in dippings of electric energy meter according to functional specification, the credibility of electric energy meter its software reset under abnormal conditions interference can not be furtherd investigate.
Utility model content
First technical matters to be solved in the utility model is to provide a kind of three-phase electric energy meter calibration equipment with exceptional reset simulation test function.
The utility model solves its technical matters by following technical solution: a kind of three-phase electric energy meter with exceptional reset simulation test function resets and calibrating installation occurs, comprise three-phase electric energy meter calibration equipment, described three-phase electric energy meter calibration equipment comprises meter hanging frame and Master Control Center, described meter hanging frame is distributed with several epi-positions, epi-position place is provided with the gauge stand for installing three-phase electric energy meter, gauge stand is provided with the binding post be connected for input/output port corresponding on three-phase electric energy meter, described Master Control Center is connected with described binding post, so that three-phase electric energy meter calibration equipment extracts the signal needed for conventional func test, it is characterized in that, there is calibrating installation and also comprise for the reset generating means according to input and output reset signal in described three-phase electric energy meter reset, described reset generating means is monolithically integrated on one piece of circuit board, form reset working plate, reset working plate and described epi-position one_to_one corresponding, be arranged on the back side of described epi-position, the front of described epi-position is provided with reset test interface, described reset test interface comprises the reset control interface for being connected to the MCU resetting pin of the three-phase electric energy meter be arranged on corresponding gauge stand, described reset control interface is connected with the reset signal output terminal of the reset working plate at the corresponding epi-position back side, to export reset level signal to three-phase electric energy meter.
Described reset test interface also comprise for block connected IIC interface in the three-phase electric energy meter be arranged on corresponding gauge stand, described IIC interface is connected with the digital independent end of the reset working plate at the corresponding epi-position back side, to read the interior card data of three-phase electric energy meter.
Described reset test interface also comprises the communication/signaling interface for being connected to 458 interfaces of the three-phase electric energy meter be arranged on corresponding gauge stand, described communication/signaling interface is connected with the signal of communication end of the reset working plate at the corresponding epi-position back side, so that the electricity of reading power meters, clock data.
The power end of each described reset generating means is connected with described Master Control Center, to obtain working power.
Described reset working plate comprises communication interface, main control chip, buffer circuit, signal processing circuit, described communication interface is connected with described main control chip, described main control chip is connected with described signal processing circuit by buffer circuit, and described reset signal output terminal, digital independent end are connected with described signal processing circuit with described signal of communication end.Reset working plate is directly connected with the inside chip of three-phase electric energy meter, and buffer circuit is used for isolating exterior power supply signal to the impact of electric energy meter inside chip.
Second technical matters of the present utility model solves by following technical solution: a kind of three-phase electric energy meter resets credible test platform, it is characterized in that, comprise computing machine and described three-phase electric energy meter reset generation calibrating installation, described computing machine is connected with the Master Control Center in three-phase electric energy meter calibration equipment, to transmit control signal or to obtain data message by RS232 interface and the described three-phase electric energy meter reset generating means that calibrating installation occurs that resets.
Relative to prior art, the utility model has following beneficial effect: the utility model has set up reset generating means on common three-phase electric energy meter calibration equipment basis, extend the function of existing three-phase electric energy meter calibration equipment, three-phase electric energy meter generation homing action can be controlled, whether the data storage condition, error in dipping, communication function, clock signal etc. of the electric energy meter after can also being resetted by credible test platform inspection be abnormal, thus carry out comprehensive evaluation to the credibility of electric energy meter.
Accompanying drawing explanation
Fig. 1 is the structural representation that calibrating installation occurs the reset of the utility model three-phase electric energy meter;
Fig. 2 is the enlarged drawing of an epi-position in Fig. 1 on meter hanging frame;
Fig. 3 is the enlarged drawing of structure 8 in Fig. 2;
Fig. 4 is that the utility model three-phase electric energy meter resets the schematic block circuit diagram of credible test platform.
Embodiment
Below by embodiment, the utility model is described in further detail:
There is calibrating installation and comprise three-phase electric energy meter calibration equipment and reset generating means in three-phase electric energy meter reset of the present utility model.
Three-phase electric energy meter calibration equipment mainly comprises meter hanging frame 2 and Master Control Center two parts.
Master Control Center comprises overall control center and the program controled power source be connected with overall control center respectively, standard electric energy meter, pulse collection and multi-functional error calculation unit, operation keyboard, indicating instrument etc., and each intermodule is connected by RS232 bus, RS485 bus, high-speed industrial CAN.Except multi-functional error calculation unit, other each module is mainly integrated in master control box 1, three-phase electric energy meter of the present utility model is resetted and calibrating installation occurs in appearance primarily of master control box 1 and meter hanging frame 2 two parts composition, as shown in Figure 1.Epi-position one_to_one corresponding on multi-functional error calculation unit and meter hanging frame, is arranged in each epi-position.
The signal processing circuit of reset generating means has reset signal output terminal, digital independent end and signal of communication end, as shown in Figure 2, reset signal output terminal, digital independent end and signal of communication end respectively with reset control interface 7, the IIC interface 6 of reset test interface, communicate/signaling interface 5 is connected.Reset control interface 7 is connected for the resetting pin of the MCU resetting pin and computation chip or managing chip to the three-phase electric energy meter be arranged on corresponding gauge stand, IIC interface 6 for block in the three-phase electric energy meter be arranged on corresponding gauge stand be connected, reset generating means reads the data stored in card in three-phase electric energy meter by IIC interface 6, and data are resolved, communication/signaling interface 5 is for being connected with the RS485 interface of electric energy meter.
As shown in Figure 1, be provided with arranged in column epi-position in a row, epi-position place is provided with gauge stand 21 to meter hanging frame 2.As shown in Figure 2, gauge stand 21 is provided with the binding post be connected for input/output port corresponding on three-phase electric energy meter, comprises the comparatively short circuit terminal in electric current input and output binding post 3(Fig. 2), longer binding post in voltage input and output binding post 4(Fig. 2) and 10 auxiliary terminal binding posts.10 auxiliary terminal binding posts constitute auxiliary terminal Wiring module 8, and its concrete structure as shown in Figure 3.On auxiliary terminal Wiring module 8, auxiliary terminal binding post 13,14,15 is electric energy meter tripping operation control signal interface, 16,17 is alerting signal output interface, 18 is empty, 19,20,21 is pulse signal interface, 22,23 is multi-functional output interface, 24,25,26,27,28 is two-way 485 communication interface, and 26 is publicly.There is the pulse signal of Master Control Center by auxiliary terminal binding post 19,20,21 collection electric energy meter of calibrating installation in three-phase electric energy meter reset, calculate the error in dipping of electric energy meter, gather multi-functional output signal by auxiliary terminal binding post 22,23, calculate the clock signal errors of electric energy meter.In Fig. 2, communication/signaling interface 5 is connected with auxiliary terminal binding post 24,25.
Reset generating means is monolithically integrated on one piece of circuit board, forms reset working plate, reset working plate also with epi-position one_to_one corresponding, be arranged on the back side of epi-position.The front of epi-position is provided with reset test interface.
As shown in Figure 4, reset generating means comprises communication interface, main control chip, buffer circuit, signal processing circuit to the theory diagram of reset generating means, and communication interface is connected with main control chip, and main control chip is connected with signal processing circuit by buffer circuit.
As shown in Figure 4, three-phase electric energy meter resets and the external interface of calibrating installation occurs comprises: the RS232 interface be connected with computing machine, for compunication, transfer control signal or data-signal; The interface be connected with electric energy meter, for carrying out with electric energy meter the working power communicating or control electric energy meter.
The power end of each reset generating means is connected with the program controled power source of three-phase electric energy meter calibration equipment, to obtain working power.Computing machine controls reset generating means and produces reset level signal, and reset level signal transfers to the MCU resetting pin of electric energy meter by reset control interface 7, after the MCU of electric energy meter receives reset level signal, forces its managing chip or computation chip to reset.After reset, computing machine by reset generating means with communicate/signaling interface 5 obtains the electricity of electric energy meter, clock data, by card data in reset generating means and IIC interface 6 reading power meters, the Master Control Center of three-phase electric energy meter calibration equipment is by pulse signal interface 19, 20, 21 and multi-functional output interface 22, 23 obtain the pulse signal of electric energy meter and multi-functional output signal respectively, and calculate measuring accuracy error and the clocking error of electric energy meter, then data are outputted to computing machine by reset generating means and three-phase electric energy meter calibration equipment, electricity after checking electric energy meter resets, whether the data such as logout there is exception, when all test results meet Standard and phenomenon without exception time, judge that the credibility of this electric energy meter software meets the requirements.
Claims (6)
1. a three-phase electric energy meter resets and calibrating installation occurs, comprise three-phase electric energy meter calibration equipment, described three-phase electric energy meter calibration equipment comprises meter hanging frame and Master Control Center, described meter hanging frame is distributed with several epi-positions, epi-position place is provided with the gauge stand for installing three-phase electric energy meter, gauge stand is provided with the binding post be connected for input/output port corresponding on three-phase electric energy meter, described Master Control Center is connected with described binding post, so that three-phase electric energy meter calibration equipment extracts the signal needed for conventional func test, it is characterized in that, there is calibrating installation and also comprise for the reset generating means according to input and output reset signal in described three-phase electric energy meter reset, described reset generating means is monolithically integrated on one piece of circuit board, form reset working plate, reset working plate and described epi-position one_to_one corresponding, be arranged on the back side of described epi-position, the front of described epi-position is provided with reset test interface, described reset test interface comprises the reset control interface for being connected to the MCU resetting pin of the three-phase electric energy meter be arranged on corresponding gauge stand, described reset control interface is connected with the reset signal output terminal of the reset working plate at the corresponding epi-position back side, to export reset level signal to three-phase electric energy meter.
2. three-phase electric energy meter according to claim 1 resets and calibrating installation occurs, it is characterized in that, described reset test interface also comprise for block connected IIC interface in the three-phase electric energy meter be arranged on corresponding gauge stand, described IIC interface is connected with the digital independent end of the reset working plate at the corresponding epi-position back side, to read the interior card data of three-phase electric energy meter.
3. three-phase electric energy meter according to claim 2 resets and calibrating installation occurs, it is characterized in that, described reset test interface also comprises the communication/signaling interface for being connected to 458 interfaces of the three-phase electric energy meter be arranged on corresponding gauge stand, described communication/signaling interface is connected with the signal of communication end of the reset working plate at the corresponding epi-position back side, so that the electricity of reading power meters, clock data.
4. three-phase electric energy meter according to claim 3 resets and calibrating installation occurs, and it is characterized in that, the power end of each described reset generating means is connected with described Master Control Center, to obtain working power.
5. three-phase electric energy meter according to claim 4 resets and calibrating installation occurs, it is characterized in that, described reset working plate comprises communication interface, main control chip, buffer circuit, signal processing circuit, described communication interface is connected with described main control chip, described main control chip is connected with described signal processing circuit by buffer circuit, and described reset signal output terminal, digital independent end are connected with described signal processing circuit with described signal of communication end.
6. reset according to three-phase electric energy meter described in the arbitrary claim of claim 1 ~ 5 and the three-phase electric energy meter that obtains of calibrating installation occurs to reset credible test platform, it is characterized in that, comprise computing machine and described three-phase electric energy meter reset generation calibrating installation, described computing machine is connected with the Master Control Center in three-phase electric energy meter calibration equipment, to transmit control signal or to obtain data message by RS232 interface and the described three-phase electric energy meter reset generating means that calibrating installation occurs that resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476387.8U CN205067715U (en) | 2015-07-06 | 2015-07-06 | Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476387.8U CN205067715U (en) | 2015-07-06 | 2015-07-06 | Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205067715U true CN205067715U (en) | 2016-03-02 |
Family
ID=55394252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476387.8U Active CN205067715U (en) | 2015-07-06 | 2015-07-06 | Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205067715U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842103A (en) * | 2016-12-19 | 2017-06-13 | 广东电网有限责任公司电力科学研究院 | A kind of three-phase electric energy meter dynamic property calibrating installation and system |
| CN109344934A (en) * | 2018-12-12 | 2019-02-15 | 威胜集团有限公司 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
-
2015
- 2015-07-06 CN CN201520476387.8U patent/CN205067715U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842103A (en) * | 2016-12-19 | 2017-06-13 | 广东电网有限责任公司电力科学研究院 | A kind of three-phase electric energy meter dynamic property calibrating installation and system |
| CN109344934A (en) * | 2018-12-12 | 2019-02-15 | 威胜集团有限公司 | Pre-payment radio-frequency card and electric energy meter data exchange process detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201867490U (en) | Calibration device for multiepitope standard electric energy meters | |
| CN205067714U (en) | Single -phase electric energy meter calibrating installation and single -phase electric energy meter credible test platform that resets | |
| CN103413585B (en) | The digitizing out-of-pile nuclear measurement system of Based PC/104 bus | |
| CN203965613U (en) | A kind of emulation test system of earth-fault indicator performance | |
| CN103645457B (en) | A kind of on-site inspection device for electric energy meter | |
| CN110171319B (en) | Three-phase standard alternating-current charging pile capable of being used for tracing | |
| CN103292888B (en) | A kind of demarcation protection mechanism of electronic scales | |
| CN101718853A (en) | Detecting device and detecting method of single-phase double-loop metering electric energy meter | |
| CN104375024A (en) | In-situ self-inspection and metering device and method of automatic test system | |
| CN205067715U (en) | Three -phase electric energy meter resets and takes place calibrating installation and credible test platform that resets | |
| CN201828236U (en) | Cable testing circuit | |
| CN105445818A (en) | Automatic meteorological station data acquisition device checking system and checking method thereof | |
| CN103901382B (en) | A kind of calibration detection apparatus of time current table | |
| CN206420968U (en) | A kind of extra-high voltage series compensation protects auto testing instrument | |
| CN205317967U (en) | Automatic weather station data collection station calibration system | |
| CN205157654U (en) | Mounting structure of ground resistance test system | |
| CN102062819B (en) | Intelligent nuclear phase device | |
| CN103308803A (en) | Adapter with self-checking circuit and system interface integrated structure | |
| CN202916360U (en) | Switching value tester | |
| CN202649312U (en) | Automatic resistor tester | |
| CN104287859A (en) | Calibration device and method for root canal length measurement instrument | |
| CN103018697A (en) | Full-functional multiple-meter-position checking device for voltage monitors | |
| CN206557369U (en) | High-voltage electric-energy meter on-line monitoring system based on carrier communication | |
| BARKA et al. | A real time, wireless and low cost data acquisition system for residential PV modules | |
| CN203881927U (en) | Calibration detection device of time current meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |