CN206945947U - A kind of testing device of digital electric energy meter for sampling Detection - Google Patents
A kind of testing device of digital electric energy meter for sampling Detection Download PDFInfo
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- CN206945947U CN206945947U CN201720439042.4U CN201720439042U CN206945947U CN 206945947 U CN206945947 U CN 206945947U CN 201720439042 U CN201720439042 U CN 201720439042U CN 206945947 U CN206945947 U CN 206945947U
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- energy meter
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Abstract
It the utility model is related to a kind of testing device of digital electric energy meter for sampling Detection, including host computer, standard digital power source, communication module and Error Calculator, the standard digital power source respectively with host computer, communication module connects with Error Calculator, the communication module and Error Calculator are connected with digitalized electrical energy meter, the communication module includes main exchange, packet switch and wireless communication interface, the main exchange is connected with standard digital power source and packet switch respectively, the wireless communication interface is arranged on packet switch, it is connected with digitalized electrical energy meter.Compared with prior art, the utility model has the advantages that using flexible, is easy to control and save cost.
Description
Technical field
Field of power is the utility model is related to, is examined more particularly, to a kind of digitalized electrical energy meter for sampling Detection
Survey device.
Background technology
Electronic mutual inductor changes the structure of traditional electric power meter, intelligent substation in the application of intelligent substation
Electric power meter is by electronic mutual inductor, combining unit and digitizes power meter group into metering system and protection, TT＆C system
Deng electrical measurement digital information of the shared electron formula transformer after discrete digitized, transformer station secondary system is simplified.Meanwhile count
Amount has the characteristics of scientific and legal system concurrently, is to realize that unit is unified, value is accurately and reliably movable, studies digitalized electric energy meter
Measure device part electronic mutual inductor and the digitalized electric energy Watch Error origin cause of formation, research digitalized electrical energy meter detection scheme and inspection
Device scheme is surveyed, to ensureing that digitalized electric energy metering system is accurately and reliably significant.
Because digitalized electrical energy meter is all secondary production in batch, thus the detection to digitalized electrical energy meter now is mostly inspection of sampling
Survey, in sampling Detection, all digitalized electrical energy meters are connected by interchanger, then randomly select and detected, due to every
A batch of digitalized electrical energy meter quantity is a lot, and communication speed is not only reduced by an interchanger connection, and wiring is chaotic,
Staff is not easy to be managed and arrange.
Utility model content
The purpose of this utility model is to provide a kind of digitalized electrical energy meter for sampling Detection regarding to the issue above to detect
Device.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of testing device of digital electric energy meter for sampling Detection, including host computer, standard digital power source, communication
Module and Error Calculator, the standard digital power source is connected with host computer, communication module and Error Calculator respectively, described
Communication module and Error Calculator are connected with digitalized electrical energy meter, and the communication module includes main exchange, packet switch
And wireless communication interface, the main exchange are connected with standard digital power source and packet switch respectively, the radio communication
Interface is arranged on packet switch, is connected with digitalized electrical energy meter.
The communication interface modules is additionally provided with the relay array for gating packet switch, the relay array point
It is not connected with host computer, main exchange and packet switch.
Relay quantity in the relay array is identical with the quantity of packet switch.
The wireless communication interface includes Zigbee network interface.
Described device is additionally provided with the clamping platform for stationary digital electric energy meter, and the clamping platform connects with digitalized electrical energy meter
Connect.
The clamping platform includes the total plate of clamping and clamping group, and the clamping group is arranged on the total plate of clamping, the clamping group
Quantity it is identical with the quantity of packet switch.
The clamping group is provided with clamping lattice, and the size of the clamping lattice and the size of digitalized electrical energy meter match.
Compared with prior art, the utility model has the advantages that：
(1) by setting main exchange, packet switch and wireless communication interface, the packet to digitalized electrical energy meter is realized
Detection, by setting multiple packet switches under main exchange, greatly reduces the pressure of main exchange, and each packet switch
Machine is connected by wireless communication interface with the digitalized electrical energy meter under the group, greatly reduces the quantity of wiring, is not susceptible to connect
The chaotic situation of line, is easy to the management of staff.
(2) communication interface modules is additionally provided with the relay array for gating packet switch, when being sampled detection,
Host computer randomly selects digitalized electrical energy meter group to be detected, is gated afterwards using relay array, and this mode is real
The sampling Detection by group is showed, realizes simple and be easy to control, and be that communication check is carried out to a group every time, also not
Easily cause the reduction of communication speed.
(3) wireless communication interface is Zigbee network interface so that the digitalized electrical energy meter of each group is to pass through
Zigbee network realizes communication, and Zigbee sensor network costs are low and small power consumption, reduces the cost of whole detection device.
(4) testing device of digital electric energy meter is additionally provided with the clamping platform for stationary digital electric energy meter, reduces detection
During due to digitalized electrical energy meter connection it is unstable caused by detection error.
(5) clamping platform be provided with packet switch quantity identical clamping group, digitalized electrical energy meter is classified by group, just
In management and statistics.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein, 1 is host computer, and 2 be standard digital power source, and 3 be Error Calculator, and 4 be main exchange, and 5 be relay
Array, 6 be packet switch, and 7 be digitalized electrical energy meter.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical scheme, give detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
As shown in figure 1, a kind of testing device of digital electric energy meter for sampling Detection is present embodiments provided, including it is upper
Position machine 1, standard digital power source 2, communication module and Error Calculator 3, standard digital power source 2 respectively with host computer 1, communicate
Module and Error Calculator 3 are connected, and communication module and Error Calculator 3 are connected with digitalized electrical energy meter 7, and communication module includes
Main exchange 4, packet switch 6 and wireless communication interface, main exchange 4 respectively with standard digital power source 2 and packet switch
Machine 6 is connected, and wireless communication interface is arranged on packet switch 6, is connected with digitalized electrical energy meter 7.
Wherein, communication interface modules is additionally provided with the relay array 5 for gating packet switch 6, and relay array 5 divides
It is not connected with host computer 1, main exchange 4 and packet switch 6.Relay quantity and packet switch 6 in relay array 5
Quantity it is identical.Wireless communication interface includes Zigbee network interface.Device is additionally provided with the card for stationary digital electric energy meter 7
Platform is connect, clamping platform is connected with digitalized electrical energy meter 7.Clamping platform includes the total plate of clamping and clamping group, and it is total that clamping group is arranged at clamping
On plate, the quantity of clamping group is identical with the quantity of packet switch 6.Clamping group is provided with clamping lattice, the size and number of clamping lattice
The size of word electric energy meter 7 matches.
At work, the machine of host computer 1 control standard digital power source 2 produces meets IEC61850-9-1/2 to the detection means
The data frame of agreement, transmit into main exchange 4, host computer 1 carries out random sampling simultaneously, and sampling results is transmitted to relay
Array 5, packet switch 6 corresponding to gating, transferred data to by packet switch 6 using Zigbee network under the group
Digitalized electrical energy meter 7, digitalized electrical energy meter 7 calculates electric flux according to the data received and exports corresponding low-frequency pulse
To Error Calculator 3.Meanwhile the outputting standard high-frequency impulse of standard digital power source 2 is to Error Calculator 3.Error Calculator 3
The low-frequency pulse exported according to standard high frequency pulse and electric energy meter draws error.
The various digital quantities containing influence amount are produced by standard digital power source 2 and represent that voltage, current analog are various different
Reason condition, while the present apparatus is also equipped with the multifunctional testing that meter reading interface can coordinate meter reading interface to complete ammeter, this detection dress
Following functions can be completed by putting：Full-automatic detection is carried out to projects such as shunt running, startup, elementary error, standard deviation, 24h variation；
Can carry out voltage influence, frequency influence, harmonic effects, negative phase sequence influence, Voltage unbalance influence, sample frequency influence, adopt
The influence amount experiment such as sample value loss of data influence；Multifunctional testing, including period switching, pulse per second (PPS) test, requirement circular error
Deng test；Logout detects：Can the tested digital electric energy meter of detection record following event, and logout includes starting and knot
Beam time, beginning and finish time electricity, event include：The discontinuous event of sampled data list entries；Sampled data input report
Non-valid channel event be present in text；Sampled data incoming message source address invalid event；Sampled data incoming message data invalid thing
Part；Sampled data incoming message is the event of inspecting state；Sampled data input channel is abnormal.
Claims (7)
1. a kind of testing device of digital electric energy meter for sampling Detection, including host computer, standard digital power source, communication mould
Block and Error Calculator, the standard digital power source are connected with host computer, communication module and Error Calculator respectively, described logical
Letter module and Error Calculator are connected with digitalized electrical energy meter, it is characterised in that the communication module includes main exchange, divided
Group interchanger and wireless communication interface, the main exchange is connected with standard digital power source and packet switch respectively, described
Wireless communication interface is arranged on packet switch, is connected with digitalized electrical energy meter.
2. the testing device of digital electric energy meter according to claim 1 for sampling Detection, it is characterised in that described logical
Letter interface module is additionally provided with relay array for gating packet switch, the relay array respectively with host computer, hand over
Exchange is changed to connect with packet switch.
3. the testing device of digital electric energy meter according to claim 2 for sampling Detection, it is characterised in that it is described after
Relay quantity in electrical equipment array is identical with the quantity of packet switch.
4. the testing device of digital electric energy meter according to claim 1 for sampling Detection, it is characterised in that the nothing
Line communication interface includes Zigbee network interface.
5. the testing device of digital electric energy meter according to claim 1 for sampling Detection, it is characterised in that the dress
The clamping platform being additionally provided with for stationary digital electric energy meter is put, the clamping platform is connected with digitalized electrical energy meter.
6. the testing device of digital electric energy meter according to claim 5 for sampling Detection, it is characterised in that the card
Connecing platform includes the total plate of clamping and clamping group, and the clamping group is arranged on the total plate of clamping, and quantity and the packet of the clamping group are handed over
The quantity changed planes is identical.
7. the testing device of digital electric energy meter according to claim 6 for sampling Detection, it is characterised in that the card
Connect group and be provided with clamping lattice, the size of the clamping lattice and the size of digitalized electrical energy meter match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439042.4U CN206945947U (en) | 2017-04-25 | 2017-04-25 | A kind of testing device of digital electric energy meter for sampling Detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439042.4U CN206945947U (en) | 2017-04-25 | 2017-04-25 | A kind of testing device of digital electric energy meter for sampling Detection |
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| CN206945947U true CN206945947U (en) | 2018-01-30 |
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ID=61359633
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| CN201720439042.4U Active CN206945947U (en) | 2017-04-25 | 2017-04-25 | A kind of testing device of digital electric energy meter for sampling Detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761378A (en) * | 2018-05-31 | 2018-11-06 | 宁夏隆基宁光仪表股份有限公司 | Meter correcting system and method based on ZigBee tree topology communication networks |
| CN109100678A (en) * | 2018-09-27 | 2018-12-28 | 深圳深宝电器仪表有限公司 | A kind of detection device and detection method for digitalized electrical energy meter |
| CN112698262A (en) * | 2020-11-27 | 2021-04-23 | 国网湖北省电力有限公司营销服务中心(计量中心) | Automatic detection device and detection method for digital electric energy centralized metering device |
-
2017
- 2017-04-25 CN CN201720439042.4U patent/CN206945947U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761378A (en) * | 2018-05-31 | 2018-11-06 | 宁夏隆基宁光仪表股份有限公司 | Meter correcting system and method based on ZigBee tree topology communication networks |
| CN109100678A (en) * | 2018-09-27 | 2018-12-28 | 深圳深宝电器仪表有限公司 | A kind of detection device and detection method for digitalized electrical energy meter |
| CN112698262A (en) * | 2020-11-27 | 2021-04-23 | 国网湖北省电力有限公司营销服务中心(计量中心) | Automatic detection device and detection method for digital electric energy centralized metering device |
| CN112698262B (en) * | 2020-11-27 | 2022-09-13 | 国网湖北省电力有限公司营销服务中心(计量中心) | Automatic detection device and detection method for digital electric energy centralized metering device |
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