CN205067718U - High voltage electric energy metering device global error test system - Google Patents

High voltage electric energy metering device global error test system Download PDF

Info

Publication number
CN205067718U
CN205067718U CN201520859820.6U CN201520859820U CN205067718U CN 205067718 U CN205067718 U CN 205067718U CN 201520859820 U CN201520859820 U CN 201520859820U CN 205067718 U CN205067718 U CN 205067718U
Authority
CN
China
Prior art keywords
unit
signal
receiving unit
wireless
global error
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
Application number
CN201520859820.6U
Other languages
Chinese (zh)
Inventor
邱泽鹏
林春晖
谭云鹏
陈志超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Anruitong Electronic Technology Co Ltd
Original Assignee
Zhuhai Anruitong Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuhai Anruitong Electronic Technology Co Ltd filed Critical Zhuhai Anruitong Electronic Technology Co Ltd
Priority to CN201520859820.6U priority Critical patent/CN205067718U/en
Application granted granted Critical
Publication of CN205067718U publication Critical patent/CN205067718U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The application discloses high voltage electric energy metering device global error test system is including signal transmission module, signal reception module and standard table, wherein, the signal transmission module includes: pulse translation unit, the smooth emission unit and the wireless emission unit that link to each other with pulse translation unit, the signal reception module includes: light receiving unit, the wireless receiving unit for switch fiber communication and wireless communication's change over switch, the reverse pulse translation unit of light receiving unit and wireless receiving unit, output connection standard table is connected to the input, and the little the control unit who links to each other with reverse pulse translation unit is with the continuous wireless communication 0 of the control unit a little. Personal safety and low -voltage equipment safety have been guaranteed through introduce the high voltage isolation measure in device global error inspection process to this application, adopt the binary channels optional simultaneously, thereby have realized under different applied environments that nimble selection prevents that the pulse from losing and influences the error check result.

Description

A kind of global error of high voltage energy metering installation checking system
Technical field
The utility model relates to technical field of electricity, more particularly, relates to a kind of global error of high voltage energy metering installation checking system.
Background technology
Existing high-voltage electric-energy meter is that the low voltage pulse signal exported by cable is sent in standard scale and carries out the inspection of device global error, but in actual applications, inevitably have high-tension current and flow into described cable, and cause personnel's Danger Electric shock risk and cause low-voltage equipment to damage.
Utility model content
In view of this, the utility model provides a kind of global error of high voltage energy metering installation checking system, by introducing high_voltage isolation measure in device global error checkout procedure, ensure personal safety and low-voltage equipment safety, adopt binary channels optional, to realize selecting flexibly under different application environment thus preventing pulse missing from affecting error-tested result simultaneously.
A kind of global error of high voltage energy metering installation checking system, comprises signal transmitting module, signal receiving module and standard scale;
Wherein, described signal transmitting module, comprising: the low voltage pulse signal for being exported by tested high-voltage electric-energy meter converts the pulses switch unit of light signal and wireless signal to; The Optical Transmit Unit be connected with described pulses switch unit and wireless transmitting unit;
Described signal receiving module, comprising: light receiving unit; Radio receiving unit; For the change-over switch of switches light fiber communication and communication; Input end connects described light receiving unit is connected described standard scale reverse pulse converting unit with described radio receiving unit, output terminal, after converting described light signal and described wireless signal to described low voltage pulse signal, send into described standard scale; The micro-control unit be connected with described reverse pulse converting unit; The human-computer interaction device be connected with described micro-control unit.
Wherein, described human-computer interaction device is the unitized construction of display and keyboard; Or described human-computer interaction device is touch-screen.
Wherein, described change-over switch is manual control equipment.
Wherein, described change-over switch is automatic control equipment, and it controls micro-control unit described in termination.
Alternatively, described global error of high voltage energy metering installation checking system, also comprises: for reflecting the pilot lamp of the strobe state of optical-fibre channel.
As can be seen from above-mentioned technical scheme, the low voltage pulse signal that tested high-voltage electric-energy meter exports by the utility model is input in standard scale with the form of light signal or wireless signal, and finishing device global error is checked.Due between tested high-voltage electric-energy meter and standard scale without the need to by cable transmission low voltage pulse signal, even if therefore there is high-tension current to flow into tested high-voltage electric-energy meter, also can not bring any Danger Electric shock risk to the staff of standard scale side and low-voltage equipment can not be caused to damage, achieve high_voltage isolation.In addition, staff can according to the one in practical application scene optimum selecting radio communication and optical fiber communication mode, thus prevent pulse missing from affecting error-tested result.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of global error of high voltage energy metering installation checking system structural representation disclosed in the utility model embodiment;
Fig. 2 is the utility model embodiment another global error of high voltage energy metering installation checking system structural representation disclosed.
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.
See Fig. 1, the utility model embodiment discloses a kind of global error of high voltage energy metering installation checking system, by introducing high_voltage isolation measure in device global error checkout procedure, ensure personal safety and low-voltage equipment safety, adopt binary channels optional simultaneously, to realize selecting flexibly under different application environment thus preventing pulse missing from affecting error-tested result, comprising: signal transmitting module 100, signal receiving module 200 and standard scale 300;
Wherein, signal transmitting module 100, comprising: the low voltage pulse signal for being exported by tested high-voltage electric-energy meter 400 converts the pulses switch unit 101 of light signal and wireless signal to; The Optical Transmit Unit 102 be connected with pulses switch unit 101 and wireless transmitting unit 103;
Signal receiving module 200, comprising: light receiving unit 201; Radio receiving unit 202; For the change-over switch 203 of switches light fiber communication and communication; Input end connects the reverse pulse converting unit 204 of light receiving unit 201 and radio receiving unit 202, output terminal connection standard table 300, after converting described light signal and described wireless signal to described low voltage pulse signal, send into standard scale 300; The micro-control unit 205 be connected with reverse pulse converting unit 204; The human-computer interaction device 206 be connected with micro-control unit 205;
Below, the principle of work for system shown in Figure 1 describes in detail.
1) about signal transmitting module 100
Pulses switch unit 101 sends into Optical Transmit Unit 102 and wireless transmitting unit 103 after converting the low voltage pulse signal that tested high-voltage electric-energy meter 400 exports to light signal and wireless signal respectively; Optical Transmit Unit 102 for by optical-fibre channel by described optical signal launch to light receiving unit 201; Wireless transmitting unit 103 for by radio channel by described wireless signal transmission to radio receiving unit 202.
2) about signal receiving module 200
Radio receiving unit 202 is responsible for the wireless signal received to send into reverse pulse converting unit 204, restores described low voltage pulse signal by reverse pulse converting unit 204 according to described wireless signal; Standard scale 300 is responsible for calculating energy value according to described low voltage pulse signal, calculate the global error value of tested high-voltage electric-energy meter 400 again according to described energy value and reference value, this is the first device global error verification scheme that the present embodiment possesses.
Corresponding, light receiving unit 201 is responsible for the light signal received to send into reverse pulse converting unit 204, restores low voltage pulse signal by reverse pulse converting unit 204 according to light signal; Standard scale 300 is responsible for calculating energy value according to described low voltage pulse signal, calculate the global error value of tested high-voltage electric-energy meter 400 again according to described energy value and reference value, this is the second device global error verification scheme that the present embodiment possesses.
Owing to being connected without any cable between standard scale 300 with tested high-voltage electric-energy meter 400, namely there is electrical isolation between the two, even if therefore there is high-tension current to flow into tested high-voltage electric-energy meter 400, also can not brings any Danger Electric shock risk to the staff of standard scale 300 side and low-voltage equipment can not be caused to damage.Any one device global error verification scheme above-mentioned can provide this high_voltage isolation, and staff can according to practical application scene optimum selecting.Corresponding optimum selecting scheme is as follows:
Radio communication has better convenience and dirigibility relative to optical fiber communication, but radio communication is very easily subject to extraneous wireless signal interference generation packet loss phenomenon, thus has influence on the accuracy of device global error inspection.Although and optical fiber communication is not disturbed by extraneous wireless signal, be vulnerable to high light impact produce packet loss phenomenon and convenience and dirigibility poor.Supposing the system acquiescence selects radio communication, for convenience of being switched to optical fiber communication in time when radio communication is unreliable, the present embodiment devises micro-control unit 205 and calculates the pulse increment of reverse pulse converting unit 204 in the unit interval and the difference of standard value in real time in signal receiving module 200, thus the packet loss under counting communication, if this packet loss exceeds setting threshold value, under current application scene is described, communication should not be adopted.Meanwhile, micro-control unit 205 controls human-computer interaction device 206 information such as display packet loss and wireless signal power in real time, facilitates staff to check at any time.When change-over switch 203 is designed to manual handling equipment, staff can determine whether to handle change-over switch 203 action according to the display information of human-computer interaction device 206; Or when change-over switch 203 is designed to automatic operation equipment, it also can automatically switch to optical fiber communication mode under the control of micro-control unit 205.
Same reason, when system default selective light fiber communication, also can selecting the need of switching to radio communication according to actual application environment, affecting error-tested result to prevent pulse missing.
Human-computer interaction device 204 can adopt touch-screen, also can be designed to the unitized construction of display and keyboard, not limit to, and the size of above-mentioned setting threshold value is modified by the dummy keyboard on described keyboard or described touch-screen, has more dirigibility.
Alternatively, see Fig. 2, signal receiving module 200 also can comprise: for reflecting the pilot lamp 207 of the strobe state of optical-fibre channel.When being switched to communication, pilot lamp 207 Chang Liang, when being switched to optical fiber communication mode, pilot lamp 207 often goes out; Or when being switched to communication, pilot lamp 207 often goes out, when being switched to optical fiber communication mode, pilot lamp 207 Chang Liang, more convenient staff understands current adopted communication mode type at any time.
In sum, the low voltage pulse signal that tested high-voltage electric-energy meter exports by the utility model is input in standard scale with the form of light signal or wireless signal, and finishing device global error is checked.Due between tested high-voltage electric-energy meter and standard scale without the need to by cable transmission low voltage pulse signal, even if therefore there is high-tension current to flow into tested high-voltage electric-energy meter, also can not bring any Danger Electric shock risk to the staff of standard scale side and low-voltage equipment can not be caused to damage, achieve high_voltage isolation.In addition, staff can according to the one in practical application scene optimum selecting radio communication and optical fiber communication mode, thus prevent pulse missing from affecting error-tested result.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (5)

1. a global error of high voltage energy metering installation checking system, is characterized in that, comprises signal transmitting module, signal receiving module and standard scale;
Wherein, described signal transmitting module, comprising: the low voltage pulse signal for being exported by tested high-voltage electric-energy meter converts the pulses switch unit of light signal and wireless signal to; The Optical Transmit Unit be connected with described pulses switch unit and wireless transmitting unit;
Described signal receiving module, comprising: light receiving unit; Radio receiving unit; For the change-over switch of switches light fiber communication and communication; Input end connects described light receiving unit is connected described standard scale reverse pulse converting unit with described radio receiving unit, output terminal, after converting described light signal and described wireless signal to described low voltage pulse signal, send into described standard scale; The micro-control unit be connected with described reverse pulse converting unit; The human-computer interaction device be connected with described micro-control unit.
2. system according to claim 1, is characterized in that, described human-computer interaction device is the unitized construction of display and keyboard; Or described human-computer interaction device is touch-screen.
3. system according to claim 1, is characterized in that, described change-over switch is manual control equipment.
4. system according to claim 1, is characterized in that, described change-over switch is automatic control equipment, and it controls micro-control unit described in termination.
5. system according to claim 1, is characterized in that, also comprises: for reflecting the pilot lamp of the strobe state of optical-fibre channel.
CN201520859820.6U 2015-10-29 2015-10-29 High voltage electric energy metering device global error test system Active CN205067718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520859820.6U CN205067718U (en) 2015-10-29 2015-10-29 High voltage electric energy metering device global error test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520859820.6U CN205067718U (en) 2015-10-29 2015-10-29 High voltage electric energy metering device global error test system

Publications (1)

Publication Number Publication Date
CN205067718U true CN205067718U (en) 2016-03-02

Family

ID=55394255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520859820.6U Active CN205067718U (en) 2015-10-29 2015-10-29 High voltage electric energy metering device global error test system

Country Status (1)

Country Link
CN (1) CN205067718U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109116292A (en) * 2018-11-14 2019-01-01 国网辽宁省电力有限公司盘锦供电公司 A kind of pulse converter of high-voltage meter error testing
CN110988784A (en) * 2019-12-27 2020-04-10 广东电科院能源技术有限责任公司 Error verification system for electric energy metering equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109116292A (en) * 2018-11-14 2019-01-01 国网辽宁省电力有限公司盘锦供电公司 A kind of pulse converter of high-voltage meter error testing
CN110988784A (en) * 2019-12-27 2020-04-10 广东电科院能源技术有限责任公司 Error verification system for electric energy metering equipment

Similar Documents

Publication Publication Date Title
CN204495911U (en) A kind of model airplane remote controller antenna condition detection system
CN201429496Y (en) Multifunctional optical fiber test instrument
CN205067718U (en) High voltage electric energy metering device global error test system
CN202696605U (en) PON light module detecting device
CN106405188B (en) Automatic range switching system and method of current measuring device
CN103869204A (en) Cable core line aligner
CN101425680A (en) Overdriving protection method and circuit
CN102636725A (en) Radio frequency test method for 2M coaxial cable
CN204065308U (en) A kind of polycore cable is to line and fault detection system
CN204694798U (en) A kind of netting twine on off test device
CN203554442U (en) RSSI monitoring circuit
CN105553544A (en) AFDX photoelectric converter testing method
CN203535154U (en) Device for detecting on-off of cable core
CN108390719A (en) A kind of optical cable is automatically to fine test system
CN204666762U (en) A kind of cable wire sequence detecting device
CN211318529U (en) Multifunctional adapter
CN204758764U (en) Overhead transmission line porcelain matter insulator chain state of insulation inspection device
CN203219448U (en) Television infrared remote-control signal switching device
CN109212324A (en) A kind of system and method for measuring multipoint wireless electrical interference on transmission line of electricity
CN205015531U (en) Intelligence optic fibre distribution device
CN205067719U (en) High voltage electric energy metering device global error test system
CN201369730Y (en) Relay protective channel fault detection equipment
CN204180079U (en) A kind of electric power optical cable monitoring and protecting device
CN203673014U (en) Cable check circuit structure
CN203037749U (en) Thunder monitoring device and thunder monitoring system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant