CN113295897A - Electric energy meter device - Google Patents
Electric energy meter device Download PDFInfo
- Publication number
- CN113295897A CN113295897A CN202110393251.0A CN202110393251A CN113295897A CN 113295897 A CN113295897 A CN 113295897A CN 202110393251 A CN202110393251 A CN 202110393251A CN 113295897 A CN113295897 A CN 113295897A
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- CN
- China
- Prior art keywords
- energy meter
- electric energy
- contact
- air switch
- double contact
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- 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.)
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- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 241001417523 Plesiopidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/12—Arrangements of bearings
Abstract
The invention discloses an electric energy meter device. The electric energy meter comprises an electric energy meter frame, a device shell, push blocks, a live wire double contact, a zero line double contact and a bearing block, wherein the electric energy meter and an air switch are installed on the electric energy meter frame, four connecting terminals with elastic contacts are arranged between the electric energy meter and the air switch, the electric energy meter is connected with the elastic contacts in an inserting mode, the front side of each connecting terminal is provided with an air switch connecting screw hole, a screw is arranged in each air switch connecting screw hole and connected with the connecting wire of the air switch, the bearing block is movably arranged on the front side and the back side of each connecting terminal, two supporting legs at one end of the live wire double contact and the zero line double contact penetrate through the bearing block and then are inserted into the air switch connecting screw holes, contact springs are sleeved on the two supporting legs at the other end of the live wire double contact, two push blocks which can move up and down are arranged below the electric energy meter, the push blocks are positioned on the inner sides of the bearing blocks and are contacted with the inner sides of the bearing blocks, and the device shell is arranged on the live wire double contacts, Zero line double contact, the front side of ejector pad.
Description
Technical Field
The invention relates to an electric energy meter device, in particular to a device capable of replacing an electric energy meter without power interruption, which is mainly used for replacing a one-way charge control intelligent electric energy meter without power interruption for residents in a residential district.
Background
With the increase in the number of years of use of electric energy meters used in residential districts and the progress of electric energy metering techniques, electric energy meters managed by electric power supply companies are on electric power construction work with regular or irregular replacement. When the electric energy meter is replaced for residents in a residential community, the consent of the residents is usually obtained in advance, and the electricity is interrupted for tens of minutes in the construction period of replacing the electric energy meter. At present, no device can realize that residents in residential districts can change electric energy meters without power failure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the electric energy meter device which can continuously replace the one-way charge control intelligent electric energy meter for the residents in the residential district.
The invention is realized by the following technical scheme: an electric energy meter device is characterized in that: the electric energy meter comprises an electric energy meter frame, a device shell, a push block, a live wire double contact, a zero line double contact, a bearing block, an electric energy meter and an air switch, wherein the electric energy meter is arranged on the upper part of the electric energy meter frame, the air switch is arranged on the lower part of the electric energy meter frame, a wiring block integrated with the electric energy meter frame is arranged between the electric energy meter and the air switch, four wiring terminals for connecting the electric energy meter and the air switch are arranged on the wiring block, an elastic contact is arranged at the upper part wiring position of each wiring terminal, the electric energy meter is in plug connection with the elastic contact, an air switch wiring screw hole is arranged on the front side of each wiring terminal, a screw is arranged in the air switch wiring screw hole and is connected with the wiring of the air switch, and the bearing block is movably arranged on the front side and the back side of the wiring terminal, the live wire double-contact and the zero line double-contact are both H-shaped structures, two supporting legs at one ends of the live wire double-contact and the zero line double-contact penetrate through the bearing block and are inserted into corresponding air switch wiring screw holes on the wiring terminal, contact springs are sleeved on the two supporting legs at the other ends of the live wire double-contact and the zero line double-contact, two push blocks which can move up and down are arranged below the electric energy meter, a push block spring is arranged at the lower part of each push block and is connected with the electric energy meter frame, the upper ends of the push blocks can be contacted with the bottom of the electric energy meter, the push blocks are positioned at the inner sides of the bearing blocks and are contacted with the inner sides of the bearing blocks, one sides of the push blocks, which are contacted with the bearing blocks, are inclined planes which incline towards the outside, the device shell is arranged at the live wire double-contact, the zero line double-contact and the front sides of the push blocks and is connected with the electric energy meter frame, and the supporting legs corresponding to the live wire double-contact and the zero line double-contact on the device shell are provided with corresponding through holes.
The working principle of the invention is as follows: during installation, the electric energy meter is in plug-in connection with four elastic contacts on an electric energy meter frame through four wiring hole positions of the electric energy meter, four wirings of an air switch are respectively connected with corresponding wiring terminals and are compressed through screws, supporting legs at one ends of a live wire double contact and a zero line double contact are respectively plugged in air switch wiring screw holes on the wiring terminals, a push block is pressed down after the electric energy meter is installed, the push block props the load block outwards through an inclined plane in contact with the load block to enable the supporting legs of the live wire double contact and the zero line double contact not to be in contact with the screws in the air switch wiring screw holes, the live wire double contact and the zero line double contact are in a non-conduction state, and a power supply circuit of a resident at the moment is a normal power supply circuit. When dismantling the electric energy meter, the electric energy meter removes to the direction of keeping away from air switch, and the ejector pad also removes to the direction of keeping away from air switch under the thrust effect of ejector pad spring to make four elastic contact obtain the release gradually, at the in-process of release, the circuit of householder does not cut off the power supply always, and simultaneously, live wire double contact, zero line double contact and load piece are under the effect of contact spring, continuously remove to air switch wiring screw hole inboard. And (4) continuously detaching the electric energy meter, wherein the supporting legs of the live wire double-contact and the zero line double-contact screws in the wiring screw holes of the air switch, and at the moment, the power supply circuit of the household forms a double-channel. And continuously detaching the electric energy meter, completely separating the four wiring hole sites of the electric energy meter from the four elastic contacts, changing a power supply circuit of a resident from a double-path to a single-path, and enabling the double contacts of the live wire and the zero line to be in a connection state. The electric energy meter is continuously disassembled until the electric energy meter is completely taken down, and the power supply circuit of the household is still kept in a non-power-off state.
Furthermore, the supporting legs of the live wire double-contact and the zero line double-contact close to one end of the device shell are respectively provided with a double-color insulating cap. When the live wire double contact and the zero line double contact are in a non-conducting state, the color on the lower part of the double-color insulating cap is exposed, and when the live wire double contact and the zero line double contact are in a conducting state, the color on the upper part of the double-color insulating cap is exposed. The conducting state of the double contacts of the live wire and the double contacts of the zero line can be judged through the exposed color on the double-color insulating cap.
Furthermore, in order to facilitate installation of the push block spring, a round blind hole is formed in the bottom of the push block, and the upper end of the push block spring is arranged in the round blind hole.
The invention has the beneficial effects that: the invention has simple structure, can realize the replacement of the electric energy meter for the household under the condition of no power failure of the household by adopting the ingenious structural design, and can greatly reduce the influence on the household when the electric energy meter is replaced. The invention has strong practicability and can be widely applied to the installation of the one-way cost control intelligent electric energy meter in the residential district.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 4 is a schematic sectional view A-A of FIG. 2;
FIG. 5 is a schematic structural diagram of the electric energy meter stand according to the present invention;
FIG. 6 is a schematic diagram of the structure of the electric energy meter according to the present invention;
FIG. 7 is a schematic diagram of the dual hot/neutral contacts of the present invention;
FIG. 8 is a schematic view of the dual hot/neutral contacts of the present invention in cooperation with a dual color insulative cap;
fig. 9 is a structural schematic diagram of a bearing block in the invention;
in the figure, 1 is an electric energy meter, 2 is an electric energy meter frame, 3 is a zero line double contact, 4 is a live line double contact, 5 is an air switch, 6 is a push block, 7 is a contact spring, 8 is a round blind hole, 9 is a push block spring, 10 is a bearing block, 101 and a matching surface, 11 is a device shell, 12 is a screw, 13 is an elastic contact, 14 is a wiring terminal, 15 is an air switch wiring screw hole, 16 is a wiring hole position on the electric energy meter, 17 is a double-color insulating cap, 171 is a red mark, and 172 is a green mark.
Detailed Description
The invention will now be further illustrated by way of non-limiting examples in connection with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", and the like, which are used herein, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in the attached drawing, the electric energy meter device comprises an electric energy meter frame 2, a device shell 11, a push block 6, a live wire double contact 4, a zero line double contact 3, a force bearing block 10, an electric energy meter 1 and an air switch 5. The main body material of the electric energy meter frame 2 is engineering plastics and is used for installing the electric energy meter 1 and the air switch 5. The upper part of the electric energy meter frame 2 is provided with an electric energy meter installation part, the lower part of the electric energy meter frame 2 is provided with an air switch installation part, and the electric energy meter 1 and the air switch 5 are correspondingly installed at the electric energy meter installation part and the air switch installation part respectively. Be provided with between electric energy meter 1 and air switch 5 with the integrative terminal block of electric energy meter frame 2, the terminal block can be made with electric energy meter frame 2 an organic whole, be provided with four binding post 14 that are used for connecting the wiring of electric energy meter and air switch on the terminal block, the upper portion wiring position of every binding post 14 is provided with an elastic contact 13, the material of four elastic contact 13 is the brass, can pre-buried in the terminal block when producing the electric energy meter frame, four elastic contact 13 are used for contacting four wiring hole sites 16 of taking on the electric energy meter 1. The electric energy meter 1 is connected with the elastic contact 13 in a plugging manner. The front side of each wiring terminal 14 is provided with an air switch wiring screw hole 15, and a screw 12 is arranged in the air switch wiring screw hole 15 and connected with the wiring of the air switch 5. The bearing block 10 is of a strip-shaped plate structure, the bearing block 10 is movably arranged on the front side of the wiring terminal 14 in the front-back direction, and four through holes are formed in the bearing block 10. The live wire double contact 4 with zero line double contact 3 is H shape structure, and live wire double contact 4 is the same with zero line double contact 3's appearance, and the material is the brass, and the voltage that only the two correspond is different, and the two are interchangeable. The supporting legs of the live wire double-contact 4 and the zero line double-contact 3 are of cylindrical structures, and the lower ends of the supporting legs are round heads. The live wire double contact 4 with two landing legs of 3 one ends of zero line double contact all pass insert in the air switch wiring screw hole 15 on the binding post 14 that corresponds behind the through-hole on the bearing piece 10, live wire double contact 4 with all the cover is equipped with contact spring 7 on two landing legs of the other end of zero line double contact 3. Two push blocks 6 which can move up and down are arranged below the electric energy meter 1, a push block spring 9 is arranged on the lower portion of each push block 6 and connected with the electric energy meter frame 2, and the upper ends of the push blocks 6 can be in contact with the bottom of the electric energy meter 1. The pushing block 6 is located on the inner side of the bearing block 10 and is in contact with the inner side of the bearing block 10, a matching surface 101 is arranged on the bearing block 10 and is matched with the pushing block 6, and an inclined surface inclining outwards is arranged on one side, in contact with the bearing block 10, of the pushing block 6. The device shell 11 is arranged on the front side of the live wire double-contact 4, the zero line double-contact 3 and the push block 6 and connected with the electric energy meter frame 2, and the supporting legs corresponding to the upper ends of the live wire double-contact 4 and the zero line double-contact 3 on the device shell 11 are provided with corresponding through holes. The device shell 11 limits the live wire double-contact 4, the zero line double-contact 3 and the push block 6 at the inner side, and the contact spring 7 applies certain spring force to the live wire double-contact 4 and the zero line double-contact 3. The supporting legs of the live wire double-contact 4 and the zero wire double-contact 3 which are inserted into the wiring screw holes 15 of the air switch can move along the wiring screw holes 15 of the air switch. The bearing block 10 and the device shell 11 are made of engineering plastics.
In this embodiment, for convenience of installation, a round blind hole 8 is formed in the bottom of the push block 6, and the upper end of the push block spring 9 is placed in the round blind hole 8.
When the electric energy meter is installed, an electric energy meter 1 is connected with four elastic contacts 13 on an electric energy meter frame 2 in an inserting mode through four wiring hole positions 16 of the electric energy meter, four wirings of an air switch 5 are respectively connected with corresponding wiring terminals 14 and are tightly pressed through screws 12, supporting legs at one ends of a live wire double contact 4 and a zero line double contact 3 are respectively inserted into air switch wiring screw holes 15 on the wiring terminals 14, a push block 6 is pressed down after the electric energy meter 1 is installed, a push block spring 9 is in a compressed state, the push block 6 is pressed down and then stretches out a bearing block 10 through an inclined plane in contact with the bearing block 10, so that the supporting legs at the lower ends of the live wire double contact 4 and the zero line double contact 3 are not in contact with the screws 12 in the air switch wiring screw holes 15, the live wire double contact 4 and the zero line double contact 3 are in a non-conducting state, and a household power supply circuit is a normal power supply circuit. When dismantling electric energy meter 1, electric energy meter 1 removes to the direction of keeping away from air switch 5, and ejector pad 6 also removes to the direction of keeping away from air switch 5 under the thrust effect of ejector pad spring 9, and make four elastic contact obtain the release gradually, at the in-process of release, the circuit of resident family does not cut off the power supply always, and simultaneously, live wire double contact 4, zero line double contact 3 and bearing piece 10 are under the effect of contact spring 7, continuously remove to the inboard of air switch wiring screw hole 15. And (3) continuing to disassemble the electric energy meter 1, enabling the supporting legs of the live wire double contact 4 and the zero line double contact 3 to contact the screw 12 in the wiring screw hole 15 of the air switch, and enabling the power supply circuit of the resident to form a double-channel. And continuously detaching the electric energy meter 1, completely separating the four wiring hole positions of the electric energy meter 1 from the four elastic contacts 13, changing a power supply circuit of a resident from a double-path to a single-path, and enabling the live wire double-contact 4 and the zero line double-contact 3 to be in a connection state. The electric energy meter is continuously disassembled until the electric energy meter is completely taken down, and the power supply circuit of the household is still kept in a non-power-off state.
In order to facilitate the determination of the conduction state of the live wire double contact 4 and the zero wire double contact 3, in this embodiment, a double-color insulating cap 17 is further sleeved on the supporting legs of the live wire double contact 4 and the zero wire double contact 3 near one end of the device housing 11, the double-color insulating cap is made of engineering plastic material, the upper part of the double-color insulating cap 17 is a red mark 171, and the lower part of the double-color insulating cap is a green mark 172. When live wire double contact 4, zero line double contact 3 are non-conductive state, the green sign on double-colored insulating cap 17 also exposes the device shell this moment, and when live wire double contact 4, zero line double contact 3 were conductive state, only the red sign on double-colored insulating cap 17 was exposed this moment.
The electric energy meter and the air switch in the invention are both in the prior art.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (3)
1. An electric energy meter device is characterized in that: the electric energy meter comprises an electric energy meter frame (2), a device shell (11), a push block (6), a live wire double contact (4), a zero line double contact (3), a bearing block (10), an electric energy meter (1) and an air switch (5), wherein the electric energy meter (1) is installed on the upper portion of the electric energy meter frame (2), the air switch (5) is installed on the lower portion of the electric energy meter frame (2), a wiring block integrated with the electric energy meter frame (3) is arranged between the electric energy meter (1) and the air switch (5), four wiring terminals (14) used for connecting the electric energy meter and the air switch in a wiring mode are arranged on the wiring block, an elastic contact (13) is arranged at the upper portion wiring position of each wiring terminal (14), the electric energy meter (1) is in plug-in connection with the elastic contact (13), and each air switch wiring screw hole (15) is formed in the front side of each wiring terminal (14), the air switch is characterized in that a screw is arranged in the air switch wiring screw hole (15) and connected with the wiring of the air switch (5), the force bearing block (10) is movably arranged at the front side of the wiring terminal (14) in the front and back direction, the live wire double contact (4) and the zero line double contact (3) are both of H-shaped structures, two support legs at one ends of the live wire double contact (4) and the zero line double contact (3) penetrate through the force bearing block (10) and then are inserted into the corresponding air switch wiring screw hole (15) on the wiring terminal (14), contact springs (7) are sleeved on the two support legs at the other ends of the live wire double contact (4) and the zero line double contact (3), two push blocks (6) which can move up and down are arranged below the electric energy meter (1), a push block spring (9) is arranged at the lower part of each push block (6) and connected with the electric energy meter frame (2), the upper end of ejector pad (6) can with electric energy meter (1) bottom contact, ejector pad (6) are located the inboard of load piece (10) and with the inboard contact of load piece (10), just one side of ejector pad (6) and load piece (10) contact is the inclined plane of outside lateral tilt, device shell (11) set up live wire double contact (4), zero line double contact (3), the front side of ejector pad (6) and with electric energy meter rack (2) are connected, be corresponding to on device shell (11) live wire double contact (4) with the landing leg of zero line double contact (3) is provided with corresponding through-hole.
2. The electrical energy meter device of claim 1, wherein: and the supporting legs at one ends of the live wire double contact (4) and the zero wire double contact (3) close to the device shell (11) are respectively provided with a double-color insulating cap (17).
3. The electrical energy meter device of claim 1, wherein: the bottom of the push block (6) is provided with a round blind hole (8), and the upper end of the push block spring (9) is arranged in the round blind hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110393251.0A CN113295897B (en) | 2021-04-13 | 2021-04-13 | Electric energy meter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110393251.0A CN113295897B (en) | 2021-04-13 | 2021-04-13 | Electric energy meter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113295897A true CN113295897A (en) | 2021-08-24 |
| CN113295897B CN113295897B (en) | 2024-04-05 |
Family
ID=77319731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110393251.0A Active CN113295897B (en) | 2021-04-13 | 2021-04-13 | Electric energy meter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113295897B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0834744A2 (en) * | 1996-09-05 | 1998-04-08 | Wöhner GmbH & Co. KG Elektrotechnische Systeme | Plug-in terminal for a meter |
| KR101168060B1 (en) * | 2011-02-14 | 2012-07-24 | 한국전력공사 | The equipment without interruptable power supply during replacing a single-phase current watt-hour meter |
| CN203981729U (en) * | 2014-08-11 | 2014-12-03 | 温州悦动智能电器有限公司 | A kind of device of realizing the not power-off of plug electric energy meter |
| CN105548635A (en) * | 2015-12-23 | 2016-05-04 | 宁波奥克斯高科技有限公司 | Electric energy meter connector assembly |
| CN205679650U (en) * | 2016-06-13 | 2016-11-09 | 广东鼎瑞电塑科技有限公司 | Device capable of changing electric energy meter without power interruption |
| CN108427023A (en) * | 2018-03-28 | 2018-08-21 | 刘志 | Do not have a power failure electric energy meter quick replacement device |
| CN110133344A (en) * | 2019-06-17 | 2019-08-16 | 武汉中网电力设备工程有限责任公司 | The not easy device of electricity cut-off type quick-replaceable electric energy meter |
| KR102100321B1 (en) * | 2020-02-27 | 2020-05-15 | 주식회사 비파워 | Uninterruptible power meter |
-
2021
- 2021-04-13 CN CN202110393251.0A patent/CN113295897B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0834744A2 (en) * | 1996-09-05 | 1998-04-08 | Wöhner GmbH & Co. KG Elektrotechnische Systeme | Plug-in terminal for a meter |
| KR101168060B1 (en) * | 2011-02-14 | 2012-07-24 | 한국전력공사 | The equipment without interruptable power supply during replacing a single-phase current watt-hour meter |
| CN203981729U (en) * | 2014-08-11 | 2014-12-03 | 温州悦动智能电器有限公司 | A kind of device of realizing the not power-off of plug electric energy meter |
| CN105548635A (en) * | 2015-12-23 | 2016-05-04 | 宁波奥克斯高科技有限公司 | Electric energy meter connector assembly |
| CN205679650U (en) * | 2016-06-13 | 2016-11-09 | 广东鼎瑞电塑科技有限公司 | Device capable of changing electric energy meter without power interruption |
| CN108427023A (en) * | 2018-03-28 | 2018-08-21 | 刘志 | Do not have a power failure electric energy meter quick replacement device |
| CN110133344A (en) * | 2019-06-17 | 2019-08-16 | 武汉中网电力设备工程有限责任公司 | The not easy device of electricity cut-off type quick-replaceable electric energy meter |
| KR102100321B1 (en) * | 2020-02-27 | 2020-05-15 | 주식회사 비파워 | Uninterruptible power meter |
Non-Patent Citations (1)
| Title |
|---|
| 王立平;李光胜;李立政;毛文文;: "基于智能电网的装表接电技术分析", 通讯世界, no. 05, 25 May 2020 (2020-05-25), pages 182 - 183 * |
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| Publication number | Publication date |
|---|---|
| CN113295897B (en) | 2024-04-05 |
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