CN205157616U - Prevent electric current and steal electric system - Google Patents
Prevent electric current and steal electric system Download PDFInfo
- Publication number
- CN205157616U CN205157616U CN201520820850.6U CN201520820850U CN205157616U CN 205157616 U CN205157616 U CN 205157616U CN 201520820850 U CN201520820850 U CN 201520820850U CN 205157616 U CN205157616 U CN 205157616U
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- China
- Prior art keywords
- electric current
- energy meter
- electric energy
- current
- terminal box
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Abstract
The utility model discloses a prevent electric current and steal electric system, include: current transformer, it is continuous with the vice limit of transformer, current transformer installs the mutual -inductor protection casing, be provided with mutual -inductor measurement lead sealing on the mutual -inductor protection casing, electric current transmission & distribution line, with current transformer links to each other, multi -functional measurement terminal box, with electric current transmission & distribution line links to each other, is provided with the lead sealing of multi -functional measurement terminal box in the multi -functional measurement terminal box, the electric energy meter, with multi -functional measurement terminal box links to each other, be provided with terminal lid measurement lead sealing on the terminal lid of electric energy meter, the big table of electric energy meter is covered and is provided with big table lid and measures the lead sealing, be provided with table case measurement lead sealing on the table case of electric energy meter. The embodiment of the utility model provides a prevent electric current and steal electric system has carried out beating the lead sealing and has handled on all links of electric current secondary circuit are like current transformer, multi -functional measurement terminal box and electric energy meter, effectively prevented electricity stealing phenomenon's emergence.
Description
Technical field
The utility model relates to electric energy metrical field, particularly relates to a kind of anti-electric current stealing system.
Background technology
Electric energy metered system is the meter electricity consumption quantity that calculates electric energy consumption between person and the supplier of electric energy and carries out the measuring apparatus of trade settlement.
Civilian electric energy adopts three-phase four-wire low-voltage metering method usually by electrical metering system, and transformer primary side input 10kV high pressure, has A, B, C three-phase; After transformer conversion decompression, secondary exports 220/380V low pressure, has A, B, C three-phase and zero line N.
Metering system is arranged on transformer secondary side, by electric energy meter, current transformer and secondary circuit thereof, the compositions such as electrical energy metering tank, in system, involved by electric current wiring, link is more, also more complicated, arbitrary false wiring all can affect correct metering and generation comparatively receives greatly to join error.
In electric energy metered system in the prior art, primary current line punching current transformer is to user, mutual inductor secondary terminals induction secondary current, metering system is in operation and exposes each link of electric current secondary loop and mainly contain following defect: defect one: current transformer is (English: currenttransformer; Be called for short: CT) secondary outgoing line end is without anti-electricity-theft safeguard procedures, easy short circuit S1, S2 hold stealing; Defect two: secondary current exports from Current Transformer Secondary S1, S2 end, is connected directly to current input terminal corresponding to electric energy meter, easily at each exposed terminal place fraudulent use electricity by short-circuit, does not utilize safety utilization of electric power through wire; Defect three: electric energy meter current turnover line end is without anti-electricity-theft safeguard procedures; Defect four: the large table cover of electric energy meter, table case is without anti-electricity-theft safeguard procedures.Visible, in prior art, electric energy metered system easily causes the generation of stealing accident due to anti-electric current stealing measure disappearance.
Therefore, there is electric energy metered system in prior art and easily cause because of anti-electric current stealing measure disappearance the technical matters that stealing accident occurs.
Utility model content
The utility model embodiment, by providing a kind of anti-electric current stealing system, easily causes because of anti-electric current stealing measure disappearance the technical matters that stealing accident occurs in order to solve the electric energy metered system existed in prior art.
The utility model embodiment provides a kind of anti-electric current stealing system, comprising:
Current transformer, is connected with the secondary of transformer, and described current transformer is provided with mutual inductor protective cover, described mutual inductor protective cover is provided with mutual inductor metering lead sealing;
Electric current transmission & distribution line, is connected with described current transformer;
Multifunctional measuring terminal box, is connected with described electric current transmission & distribution line, Multifunctional measuring terminal box is provided with the lead sealing of Multifunctional measuring terminal box;
Electric energy meter, is connected with described Multifunctional measuring terminal box, the knob case cover of described electric energy meter is provided with knob case cover metering lead sealing, the large table cover of described electric energy meter is provided with large table cover metering lead sealing, the table case of described electric energy meter is provided with table case metering lead sealing.
Alternatively, the tightening up a screw of secondary terminals of described current transformer scribbles fixing agent, and described fixing agent make described in the outer layer insulation of tightening up a screw.
Alternatively, when described electric energy meter is specially the network intelligence electric energy meter with radio communication function, described anti-electric current stealing system also comprises remote monitoring terminal, and described remote monitoring terminal can carry out radio communication with described network intelligence electric energy meter.
Alternatively, described Multifunctional measuring terminal box is provided with electric current and connects slide plate, described electric current connects slide plate can by the current return between described Multifunctional measuring terminal box and described electric energy meter at path, switch between short circuit and open circuit.
Alternatively, described electric current transmission & distribution line is three-phase four-wire system transmission & distribution lines.
Alternatively, described three-phase four-wire system transmission & distribution line is specially 220V/380V transmission & distribution line.
Alternatively, the former limit of described transformer is connected with 10kV hi-line by quenching knife-blade.
One or more technical scheme in the utility model embodiment, at least tool has the following advantages or beneficial effect:
1, the anti-electric current stealing system that provides of the utility model embodiment, in all links of electric current secondary loop as current transformer, Multifunctional measuring terminal box and electric energy meter have carried out playing lead sealing process, effectively prevent the generation of stealing electricity phenomenon.
2, the anti-electric current stealing system that the utility model embodiment provides comprises Multifunctional measuring terminal box, electric current secondary loop can be transformed to path, short circuit, off state, be beneficial to process and the maintenance of the system failure, also be beneficial to and correct each current terminal electricity filching behavior fast, reduce the maintenance cost of system.。
3, the anti-electric current stealing system that the utility model embodiment provides comprises the network intelligence electric energy meter and Remote Surveillance Industrial Terminal with wireless transmission function, can the change of monitor current value in real time, the generation of electricity theft prevention phenomenon, can Timeliness coverage stealing electricity phenomenon, thus by Multifunctional measuring terminal box, stop electricity filching behavior.
Accompanying drawing explanation
The electric current wiring schematic diagram of the anti-electric current stealing system that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the current transformer partial schematic diagram of the utility model embodiment;
The partial schematic diagram that Fig. 3 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being path;
The partial schematic diagram that Fig. 4 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being short circuit;
The partial schematic diagram that Fig. 5 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being open circuit;
Fig. 6 is electric energy meter and the table case lead sealing schematic diagram of the utility model embodiment.
Embodiment
The utility model embodiment, by providing a kind of anti-electric current stealing system, easily causes because of anti-electric current stealing measure disappearance the technical matters that stealing accident occurs in order to solve the electric energy metered system existed in prior art.
The utility model embodiment provides a kind of anti-electric current stealing system, comprising:
Current transformer, is connected with the secondary of transformer, and current transformer is provided with mutual inductor protective cover, mutual inductor protective cover is provided with mutual inductor metering lead sealing;
Electric current transmission & distribution line, is connected with current transformer;
Multifunctional measuring terminal box, is connected with electric current transmission & distribution line, Multifunctional measuring terminal box is provided with the lead sealing of Multifunctional measuring terminal box;
Electric energy meter, is connected with Multifunctional measuring terminal box, the knob case cover of electric energy meter is provided with knob case cover metering lead sealing, the large table cover of electric energy meter is provided with large table cover metering lead sealing, the table case of electric energy meter is provided with table case metering lead sealing.
In specific implementation process, the tightening up a screw of secondary terminals of current transformer scribbles fixing agent, and fixing agent makes the outer layer insulation of tightening up a screw.
In specific implementation process, when electric energy meter is specially the network intelligence electric energy meter with radio communication function, anti-electric current stealing system also comprises remote monitoring terminal, and remote monitoring terminal can carry out radio communication with network intelligence electric energy meter.
In specific implementation process, Multifunctional measuring terminal box is provided with electric current and connects slide plate, electric current connects slide plate can by the current return between Multifunctional measuring terminal box and electric energy meter at path, switch between short circuit and open circuit.
In specific implementation process, electric current transmission & distribution line is three-phase four-wire system transmission & distribution lines.
In specific implementation process, three-phase four-wire system transmission & distribution line is specially 220V/380V transmission & distribution line.
In specific implementation process, the former limit of transformer is connected with 10kV hi-line by quenching knife-blade.
In ensuing part, to 1-Fig. 6 by reference to the accompanying drawings, the electric current wiring schematic diagram of the anti-electric current stealing system that Fig. 1 provides for the utility model embodiment, Fig. 2 is the current transformer partial schematic diagram of the utility model embodiment, the partial schematic diagram that Fig. 3 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being path, the partial schematic diagram that Fig. 4 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being short circuit, the partial schematic diagram that Fig. 5 is the Multifunctional measuring terminal box conversion input electrical energy meter electricity stream mode of the utility model embodiment when being open circuit, Fig. 6 is electric energy meter and the table case lead sealing schematic diagram of the utility model embodiment, introduce technique scheme in detail.
As shown in Figure 1, the A of 10kV hi-line 1, B, C three-phase is connected to transformer primary side 3 through quenching knife-blade 2, after transformer pressure-reducing, transformer secondary 4 exports 220/380V voltage, A, B, after C phase primary current line is each passed through corresponding current transformer 6, pass through A, B, C three-phase and the such three-phase and four-line electric current transmission & distribution line 10 of zero line N export, A, B, in C three-phase, the line voltage of arbitrary relative zero line N is 220V, three-phase top-stitching voltage is 380V, three-phase and four-line electric current transmission & distribution line 10 is connected with Multifunctional measuring terminal box 11, Multifunctional measuring terminal box 11 is connected with electric energy meter 15, electric energy meter 15 by electrical power distribution to user.
In the present embodiment, please continue to refer to Fig. 1 and Fig. 2, current transformer 6 is provided with mutual inductor protective cover 8, mutual inductor protective cover 8 is provided with mutual inductor metering lead sealing 9, serves dust-proof and anti-electricity-theft effect.
Further, scribble fixing agent the tightening up a screw of secondary terminals 7 of current transformer 6, fixing agent can be such as AB glue etc., and fixing agent makes the outer layer insulation of tightening up a screw.In actual applications, the secondary terminals S of current transformer 6
118, secondary terminals S
219 application AB glue of tightening up a screw fill up, and prevent short circuit secondary terminals S
118 and secondary terminals S
219, make secondary current without electric energy meter 15, and form loop through Current Transformer Secondary end 7, thus avoid the generation of electricity filching behavior.
Please continue to refer to Fig. 1, Fig. 3, Fig. 4 and Fig. 5, Multifunctional measuring terminal box 11 is provided with Multifunctional measuring terminal box lead sealing 13.
Respond to secondary current at Current Transformer Secondary end 7, in secondary current line access Multifunctional measuring terminal box 11, be connected with electric energy meter 15 again through Multifunctional measuring terminal box 11.
It should be noted that, in Multifunctional measuring terminal box 11 each electric current connect slide plate about 12 can easy slide, fastening non-loosening behind location.
As can be seen from Figure 3, electric current connects slide plate 1 short circuit current passage 2 25 and current channel 3 26, and electric current connects slide plate 2 23 and slides left current channel 1 and current channel 2 25 are disconnected, after tighten up electric current connection slide plate 2 23.The instantaneous flow direction of the positive half cycle of electric current: secondary terminals S
118-> secondary current input line, 20-> current channel, one 24-> electric energy meter, 15-> current channel, 2 25-> electric current connects slide plate one 22-> current channel 3 26-> secondary current output line 21-> secondary terminals S
219, form loop, this is current path state.
As can be seen from Figure 4, electric current connects slide plate 1 short circuit current passage 2 25 and current channel 3 26, and electric current connects slide plate 2 23 and tightens up after slip short circuit current passage 1 and current channel 2 25 to the right, the instantaneous flow direction of the positive half cycle of electric current: secondary terminals S
118-> secondary current input line, 20-> current channel, one 24-> electric current connects slide plate 2 23-> current channel 2 25-> electric current and connects slide plate one 22-> secondary current output line 21-> secondary terminals S
219, form loop, electric current is without electric energy meter, and this is short circuit current state.
As can be seen from Figure 5, slide left when electric current connects slide plate 1, make current channel 1, current channel 2 25, current channel 3 26 disconnects mutually, and tightens up.Electric current connects slide plate 2 23 and slides left, current channel 1 and current channel 2 25 is disconnected, and tightens up.The instantaneous flow direction of the positive half cycle of electric current: secondary terminals S
12 25-> is obstructed for 18-> secondary current input line, 20-> current channel, one 24-> electric energy meter, 15-> current channel, finally can not get back to secondary terminals S
219 and do not form loop, this is current interruption state.
Can be found out by above-mentioned part, electric current secondary loop can be transformed to path, short circuit, off state by function metering junction box 11, is beneficial to process and the maintenance of the system failure, is also beneficial to and corrects each current terminal electricity filching behavior fast, reduce the maintenance cost of system.
Please continue to refer to Fig. 1 and Fig. 6, electric energy meter 15 is arranged in electric energy metering box 14, the knob case cover 29 of electric energy meter 15 is provided with knob case cover metering lead sealing 32, the large table cover 28 of electric energy meter is provided with large table cover metering lead sealing 31, the table case of electric energy meter is provided with table case metering lead sealing 30.
In the present embodiment, when electric energy meter 15 is for having the network intelligence electric energy meter of radio communication function, anti-electric current stealing system also comprises remote monitoring terminal, remote monitoring terminal can carry out radio communication with network intelligence electric energy meter, such as can the change of monitor current value in real time, the generation of electricity theft prevention phenomenon, can Timeliness coverage stealing electricity phenomenon, thus by Multifunctional measuring terminal box, stop electricity filching behavior.
In specific implementation process, it should be noted that current circuit is connected to each current terminal of electric energy meter 15 from Current Transformer Secondary end 7 through Multifunctional measuring terminal box 11, require each link fastened by screw non-loosening, and nut can not push down wire insulation line skin, avoid causing people to be open circuit.
One or more technical scheme in the utility model embodiment, at least tool has the following advantages or beneficial effect:
1, the anti-electric current stealing system that provides of the utility model embodiment, in all links of electric current secondary loop as current transformer, Multifunctional measuring terminal box and electric energy meter have carried out playing lead sealing process, effectively prevent the generation of stealing electricity phenomenon.
2, the anti-electric current stealing system that the utility model embodiment provides comprises Multifunctional measuring terminal box, electric current secondary loop can be transformed to path, short circuit, off state, be beneficial to process and the maintenance of the system failure, also be beneficial to and correct each current terminal electricity filching behavior fast, reduce the maintenance cost of system.。
3, the anti-electric current stealing system that the utility model embodiment provides comprises the network intelligence electric energy meter and Remote Surveillance Industrial Terminal with wireless transmission function, can the change of monitor current value in real time, the generation of electricity theft prevention phenomenon, can Timeliness coverage stealing electricity phenomenon, thus by Multifunctional measuring terminal box, stop electricity filching behavior.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (7)
1. an anti-electric current stealing system, is characterized in that, comprising:
Current transformer, is connected with the secondary of transformer, and described current transformer is provided with mutual inductor protective cover, described mutual inductor protective cover is provided with mutual inductor metering lead sealing;
Electric current transmission & distribution line, is connected with described current transformer;
Multifunctional measuring terminal box, is connected with described electric current transmission & distribution line, Multifunctional measuring terminal box is provided with the lead sealing of Multifunctional measuring terminal box;
Electric energy meter, is connected with described Multifunctional measuring terminal box, the knob case cover of described electric energy meter is provided with knob case cover metering lead sealing, the large table cover of described electric energy meter is provided with large table cover metering lead sealing, the table case of described electric energy meter is provided with table case metering lead sealing.
2. anti-electric current stealing system as claimed in claim 1, it is characterized in that, the tightening up a screw of secondary terminals of described current transformer scribbles fixing agent, and described fixing agent make described in the outer layer insulation of tightening up a screw.
3. anti-electric current stealing system as claimed in claim 1, it is characterized in that, when described electric energy meter is specially the network intelligence electric energy meter with radio communication function, described anti-electric current stealing system also comprises remote monitoring terminal, and described remote monitoring terminal can carry out radio communication with described network intelligence electric energy meter.
4. anti-electric current stealing system as claimed in claim 1, it is characterized in that, described Multifunctional measuring terminal box is provided with electric current and connects slide plate, described electric current connects slide plate can by the current return between described Multifunctional measuring terminal box and described electric energy meter at path, switch between short circuit and open circuit.
5. anti-electric current stealing system as claimed in claim 1, is characterized in that, described electric current transmission & distribution line is three-phase four-wire system transmission & distribution lines.
6. anti-electric current stealing system as claimed in claim 5, is characterized in that, described three-phase four-wire system transmission & distribution line is specially 220V/380V transmission & distribution line.
7. anti-electric current stealing system as claimed in claim 6, it is characterized in that, the former limit of described transformer is connected with 10kV hi-line by quenching knife-blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820850.6U CN205157616U (en) | 2015-10-22 | 2015-10-22 | Prevent electric current and steal electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820850.6U CN205157616U (en) | 2015-10-22 | 2015-10-22 | Prevent electric current and steal electric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157616U true CN205157616U (en) | 2016-04-13 |
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ID=55693295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820850.6U Expired - Fee Related CN205157616U (en) | 2015-10-22 | 2015-10-22 | Prevent electric current and steal electric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053901A (en) * | 2016-07-14 | 2016-10-26 | 河南丰源电力科技有限公司 | Integrated electric energy metering acquisition control instrument |
| CN113125821A (en) * | 2021-04-07 | 2021-07-16 | 国网河北省电力有限公司邯郸供电分公司 | Junction box for metering secondary circuit safety arc extinction |
-
2015
- 2015-10-22 CN CN201520820850.6U patent/CN205157616U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106053901A (en) * | 2016-07-14 | 2016-10-26 | 河南丰源电力科技有限公司 | Integrated electric energy metering acquisition control instrument |
| CN113125821A (en) * | 2021-04-07 | 2021-07-16 | 国网河北省电力有限公司邯郸供电分公司 | Junction box for metering secondary circuit safety arc extinction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170719 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20201022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |