CN213240289U - Three-phase four-wire electric energy meter - Google Patents
Three-phase four-wire electric energy meter Download PDFInfo
- Publication number
- CN213240289U CN213240289U CN202022053386.6U CN202022053386U CN213240289U CN 213240289 U CN213240289 U CN 213240289U CN 202022053386 U CN202022053386 U CN 202022053386U CN 213240289 U CN213240289 U CN 213240289U
- Authority
- CN
- China
- Prior art keywords
- electrically conductive
- conductive screw
- phase
- screw group
- phase current
- 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
Images
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model relates to a three-phase four-wire electric energy meter, including the table box, a circuit board, the terminal button box, establish binding post in the terminal button box, binding post includes phase current inlet wire end, phase current outlet terminal and looks phase voltage wiring end, be connected through the connection piece between looks phase voltage wiring end and the looks phase current inlet wire end, phase current inlet wire end electricity is connected with the electrically conductive screw of phase current, looks phase voltage wiring end electricity is connected with looks electrically conductive screw, be equipped with the baffle between terminal button box and the table box, phase current electrically conductive screw and looks electrically conductive screw set up in groups, be first electrically conductive screw group, the electrically conductive screw group of second, first electrically conductive screw group is located in the table box, the electrically conductive and screw group of second is located in the terminal button box. The utility model discloses a connection piece can realize the internal connection, also can realize the external connection, supplies different customers to select as required, needn't adopt two sets of moulds moreover.
Description
Technical Field
The utility model relates to an electric energy meter.
Background
When the three-phase electric energy meter is connected, the three-phase electric energy meter is generally divided into a direct access type and an indirect access type, and the indirect access type is accessed through a mutual inductor. The direct access type is also called straight-through type wiring, and the direct access type can be directly accessed within the allowed range of the load function electric meter, namely the current specification of the electric meter can meet the requirement of a user, and the method can be used. Generally, 10 binding posts are provided, wherein 1 and 2 are live wires of a three-phase four-wire electric meter and are connected to an A-phase incoming wire end, and 3 is connected to an A-phase outgoing wire end; 4. 5 is a live wire of the three-phase four-wire electric meter, connected to a B-phase incoming wire end, and 6 is connected to a B-phase outgoing wire end; 7. 8 is a live wire of the three-phase four-wire electric meter, connected to the C-phase incoming wire end, and 9 is connected to the C-phase outgoing wire end; A. b, C three-phase outlet terminal load; 10 is connected with the zero line and the rear connecting wire. Wherein 2, 5 and 8 are directly short-circuited on 1, 4 and 7, and the short circuit is short-circuited through a connecting sheet. In the production process, the connecting sheet is not in short circuit for detection, is in an open state, and needs to be in short circuit when being shipped. Some electric energy meters have their connection tabs in the terminal box during the specific production process, and this leads to a reduced theft-proof performance.
Disclosure of Invention
In order to overcome the above-mentioned not enough among the prior art, the utility model provides a can realize three-phase four-wire electric energy meter of connecting in the connecting piece and outer joint.
The utility model discloses a following technical scheme realizes:
the utility model provides a three-phase four-wire electric energy meter, includes the table box, locates the circuit board in the table box, locates the terminal button box of table box one end, establish binding post in the terminal button box, binding post include phase current inlet wire end, phase current outlet terminal and with the phase voltage wiring end of phase current inlet wire end short circuit, be connected its characterized in that through the connection piece between phase voltage wiring end and the phase current inlet wire end: phase current inlet wire end electricity is connected with the electrically conductive screw of phase current, and phase voltage wiring end electricity is connected with the electrically conductive screw of phase voltage, terminal button box and table box between be equipped with the baffle, electrically conductive screw of phase current and the electrically conductive screw of phase voltage set up in groups, for the electrically conductive screw group of first electrically conductive screw group, the electrically conductive screw group of second, first electrically conductive screw group is located the table box, the electrically conductive and screw group of second is located the terminal button box, and the electrically conductive screw group of first electrically conductive screw group and second is located the both sides of baffle respectively, the connection piece locate on the electrically conductive screw group of first electrically conductive screw group or second.
Preferably, one side of the connecting piece extends outwards to form a first operating piece.
Preferably, one end of the connecting piece extends upwards to form a second operating piece.
Preferably, a first screw group seat for the first conductive screw group and a second screw group seat for the second conductive screw group are respectively arranged on two sides of the partition board.
The conductive screw groups are respectively arranged in the meter box and the terminal button box, so that the connecting sheet can be arranged in the meter box and also can be arranged in the terminal button box, namely, internal connection or external connection is realized, and different power companies can realize the internal connection or the external connection according to own needs.
The beneficial effects of the utility model reside in that: the utility model discloses a connection piece can realize the internal connection, also can realize the external connection, supplies different customers to select as required, needn't adopt two sets of moulds moreover.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings and detailed description.
As shown in fig. 1, the three-phase four-wire electric energy meter comprises a meter box 1, a circuit board 2 arranged in the meter box, and an end button box 3 arranged at one end of the meter box, wherein a wiring terminal 4 is arranged in the end button box, the wiring terminal comprises a phase current inlet end, a phase current outlet end and a phase voltage wiring end in short circuit with the phase current inlet end, and the phase voltage wiring end is connected with the phase current inlet end through a connecting sheet 8. The phase current inlet end is electrically connected with a phase current conductive screw 6, the phase voltage terminal is electrically connected with a phase voltage conductive screw 7, and the phase current conductive screws and the phase voltage conductive screws are arranged in groups and are a first conductive screw group and a second conductive screw group. A partition plate 5 is arranged between the terminal box 3 and the meter box 1, a first conductive screw group is arranged in the meter box, a second conductive screw group is arranged in the terminal box, the first conductive screw group and the second conductive screw group are respectively positioned on two sides of the partition plate, and a connecting sheet 8 is arranged on the first conductive screw group or the second conductive screw group. A first operating piece 10 extends outwards from one side of the connecting piece. One end of the connecting piece extends upwards to form a second operating piece 9.
The two sides of the partition board 5 are respectively provided with a first screw group seat 11 for the first conductive screw group to be arranged and a second screw group seat 12 for the second conductive screw group to be arranged.
The meter box and the terminal box are respectively provided with a conductive screw group, the first conductive screw group is positioned on the first screw group seat 11, and the second conductive screw group is positioned on the second screw group seat 12. Therefore, the connecting sheet 8 can be arranged in the meter box and the terminal box, namely, internal connection or external connection is realized, and different power companies can realize the internal connection or the external connection according to the requirements. When the connecting sheet is arranged in the meter box, the anti-theft performance is better, when the connecting sheet is arranged in the terminal button box, the operation of corresponding authorized personnel is more convenient, and different power companies have different requirements. For an electric energy meter manufacturer, two sets of dies with different connection modes do not need to be arranged, and one set of die can meet different requirements.
The utility model discloses a connection piece can realize the internal connection, also can realize the external connection, supplies different customers to select as required, needn't adopt two sets of moulds moreover.
Claims (4)
1. The utility model provides a three-phase four-wire electric energy meter, includes the table box, locates the circuit board in the table box, locates the terminal button box of table box one end, establish binding post in the terminal button box, binding post include phase current inlet wire end, phase current outlet terminal and with the phase voltage wiring end of phase current inlet wire end short circuit, be connected its characterized in that through the connection piece between phase voltage wiring end and the phase current inlet wire end: phase current inlet wire end electricity is connected with the electrically conductive screw of phase current, and phase voltage wiring end electricity is connected with the electrically conductive screw of phase voltage, terminal button box and table box between be equipped with the baffle, electrically conductive screw of phase current and the electrically conductive screw of phase voltage set up in groups, for the electrically conductive screw group of first electrically conductive screw group, the electrically conductive screw group of second, first electrically conductive screw group is located the table box, the electrically conductive and screw group of second is located the terminal button box, and the electrically conductive screw group of first electrically conductive screw group and second is located the both sides of baffle respectively, the connection piece locate on the electrically conductive screw group of first electrically conductive screw group or second.
2. A three-phase four-wire electric energy meter according to claim 1, characterized in that: one side of the connecting piece extends outwards to form a first operating piece.
3. A three-phase four-wire electric energy meter according to claim 2, characterized in that: one end of the connecting piece extends upwards to form a second operating piece.
4. A three-phase four-wire electric energy meter according to claim 2, characterized in that: and a first screw group seat for the first conductive screw group and a second screw group seat for the second conductive screw group are respectively arranged on two sides of the partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053386.6U CN213240289U (en) | 2020-09-18 | 2020-09-18 | Three-phase four-wire electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053386.6U CN213240289U (en) | 2020-09-18 | 2020-09-18 | Three-phase four-wire electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213240289U true CN213240289U (en) | 2021-05-18 |
Family
ID=75876296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022053386.6U Active CN213240289U (en) | 2020-09-18 | 2020-09-18 | Three-phase four-wire electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213240289U (en) |
-
2020
- 2020-09-18 CN CN202022053386.6U patent/CN213240289U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213240289U (en) | Three-phase four-wire electric energy meter | |
| CN207624935U (en) | A kind of three-phase structure of copper bar of photovoltaic distribution cabinet | |
| CN216530442U (en) | Intelligent small bus plugging box of data center | |
| CN213122093U (en) | Current acquisition module installed at wiring end of molded case circuit breaker | |
| CN220913209U (en) | Watt-hour meter wiring seat and watt-hour meter | |
| CN203800594U (en) | Cabinet-style anti-harmonic capacitor | |
| CN210982559U (en) | Intelligent junction box of three-phase electric energy meter | |
| CN209562378U (en) | Wind electric converter cabinet | |
| CN112366527A (en) | Miniaturized module integrated 400V low-voltage switch cabinet | |
| CN215600213U (en) | Novel three-phase common-body voltage transformer secondary measurement and protection winding wiring structure | |
| CN109412043A (en) | A kind of distribution patches the modularization front panel of case | |
| CN201623622U (en) | Matrix cascade high-voltage converter | |
| CN211181921U (en) | Integrated wiring module suitable for low-voltage three-phase multifunctional mutual inductor | |
| CN110865219A (en) | Modularization electricity stealing prevention device suitable for low-voltage metering | |
| CN216928303U (en) | Controller structure and thin film capacitor group thereof | |
| CN211456011U (en) | Wire nose and copper bar connecting device for motor controller | |
| CN210927461U (en) | H-bridge high-voltage frequency converter power unit with laminated busbar | |
| CN221101880U (en) | Double-loop reactance intelligent capacitor | |
| CN212905122U (en) | Install in current acquisition module of dual supply wiring end | |
| CN217388015U (en) | Box-type substation | |
| CN211630001U (en) | Explosion-proof junction box of back row wiring | |
| CN219592273U (en) | Integrated Boost module structure | |
| CN2077581U (en) | Current transformer of small ratio of transformation without turns going through core | |
| CN220180605U (en) | DC charging pile of modularized design | |
| CN217406193U (en) | Distributed energy storage system convenient for power distribution transformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Enyou Inventor after: Xu Jie Inventor after: Jiang Weiping Inventor after: Lu Congpei Inventor after: Zhang Jing Inventor after: Yao Xiaofeng Inventor after: Chen Liang Inventor after: Shou Yinsheng Inventor after: He Dong Inventor after: Guo Jufeng Inventor before: Zhang Enyou Inventor before: Xu Jie Inventor before: Jiang Weiping Inventor before: Lu Congpei Inventor before: Zhang Jing Inventor before: Yao Xiaofeng Inventor before: Chen Liang Inventor before: Shou Yinsheng Inventor before: He Dong Inventor before: Guo Jufeng |