CN214794955U - Mechanism capable of replacing electric energy meter without power failure - Google Patents
Mechanism capable of replacing electric energy meter without power failure Download PDFInfo
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- CN214794955U CN214794955U CN202120745384.5U CN202120745384U CN214794955U CN 214794955 U CN214794955 U CN 214794955U CN 202120745384 U CN202120745384 U CN 202120745384U CN 214794955 U CN214794955 U CN 214794955U
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- energy meter
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Abstract
The utility model discloses a mechanism that can change electric energy meter without power failure. 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 an electric energy meter installation position and an air switch installation position are arranged on the electric energy meter frame, four connecting terminals are arranged between the electric energy meter installation position and the air switch installation position, the front side of each connecting terminal is provided with an air switch wiring screw hole, a screw for compressing air switch wiring is arranged in each air switch wiring screw hole, 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 one end of the zero line double contact penetrate through the bearing block and are inserted into the air switch wiring screw holes, contact springs are sleeved on the two supporting legs at the other end, two push blocks which can move up and down are arranged below the electric energy meter installation position, the push blocks are positioned on the inner side of the bearing block and are in contact with the inner side of the bearing block, the device shell is arranged on the live wire double contact, Zero line double contact, the front side of ejector pad.
Description
Technical Field
The utility model relates to a mechanism that can change electric energy meter without cutting off power supply.
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
To the above-mentioned defect that exists among the prior art, the utility model provides a can be to the mechanism that the resident family in residential area was not cut off the power supply and is changed one-way fee accuse intelligent ammeter.
The utility model discloses a realize through following technical scheme: a mechanism capable of replacing an electric energy meter without power failure 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 wire double contact and a bearing block, wherein an electric energy meter mounting position for mounting an electric energy meter is arranged at the upper part of the electric energy meter frame, an air switch mounting position for mounting an air switch is arranged at the lower part of the electric energy meter frame, four connecting terminals for connecting the electric energy meter and the air switch are arranged between the electric energy meter mounting position and the air switch mounting position, an air switch wiring screw hole is arranged at the front side of each connecting terminal, a screw for compressing the air switch wiring is arranged in each air switch wiring screw hole, the bearing block is movably arranged at the front side and the back side of each connecting terminal, the live wire double contact and the zero wire double contact are both in an H-shaped structure, two supporting legs at one ends of the live wire double contact and the zero wire double contact are inserted into the corresponding air switch wiring screw holes on the connecting terminals after passing through the bearing block, the device comprises a live wire double-contact and zero line double-contact, and is characterized in that two supporting legs at the other end of the live wire double-contact and the zero line double-contact are respectively sleeved with a contact spring, two push blocks which can move up and down are arranged below an installation position of the electric energy meter, the lower part of each push block is provided with a push block spring and connected with an electric energy meter frame, the upper ends of the push blocks can be contacted with the electric energy meter, the push blocks are positioned on the inner sides of the bearing blocks and 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, a device shell is arranged on the live wire double-contact, the zero line double-contact and the front sides of the push blocks and connected with the electric energy meter frame, and corresponding through holes are formed in the device shell corresponding to the live wire double-contact and the supporting legs of the zero line double-contact.
The utility model discloses a theory of operation is: during installation, the electric energy meter is installed at an electric energy meter installation position and is connected with a wiring terminal, an air switch is installed at an air switch installation position, four wirings of the air switch are respectively connected with corresponding wiring terminals and are compressed tightly through screws in air switch wiring screw holes, supporting legs at one ends of a live wire double contact and a zero line double contact are respectively inserted into the 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 stretches 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, and the wiring contact of electric energy meter breaks away from with binding post gradually, and at the in-process that the wiring contact breaks away from, the circuit of resident family 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 contacts of the electric energy meter from the wiring terminals, changing the power supply circuit of the household 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 connected 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.
Furthermore, in order to ensure that the push blocks can reliably apply thrust to the electric energy meter and consider the reliability of the structural design, the two push blocks are respectively arranged on two sides of the lower part of the installation position of the electric energy meter.
The utility model has the advantages that: the utility model discloses simple structure through adopting ingenious structural design, can realize that the resident family does not cut off the power supply under the condition change the electric energy meter for the resident family, to the influence of resident family when changing the electric energy meter that can significantly reduce. The utility model discloses the practicality is strong, but the one-way expense of wide application in residential quarter accuse intelligent ammeter's installation.
Drawings
Fig. 1 is a schematic perspective view of the present invention according to an embodiment;
FIG. 2 is a front view of the present invention in an embodiment;
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 an electric energy meter stand according to the present invention;
fig. 6 is a schematic structural diagram of the electric energy meter according to the present invention;
fig. 7 is a schematic structural diagram of a live wire double contact/neutral wire double contact in the present invention;
fig. 8 is a schematic view of the dual live/neutral contacts of the present invention in cooperation with a dual color insulating cap;
fig. 9 is a schematic structural diagram of a bearing block in the present invention;
in the figure, 1 is an electric energy meter, 2 is an electric energy meter frame, 201 is an electric energy meter mounting position, 202 is an air switch mounting position, 3 is a zero line double contact, 4 is a fire 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 described by way of non-limiting examples with reference to 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 are used for indicating the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in the attached drawing, the mechanism capable of replacing the electric energy meter without power failure 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 and a bearing block 10. The main material of the electric energy meter frame 2 is engineering plastics. The upper part of the electric energy meter frame 2 is provided with an electric energy meter installation position 201, and the lower part of the electric energy meter frame 2 is provided with an air switch installation position 202. The electric energy meter installation position 201 with be provided with four binding post 14 that are used for connecting the electric energy meter and the wiring of air switch between the air switch installation position 202, every binding post 14's front side all is provided with an air switch wiring screw hole 15, be provided with the screw 12 that is used for compressing tightly the air switch wiring in the air switch wiring screw hole 15. The bearing block 10 is a strip-shaped plate-shaped 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 the correspondence behind the through-hole on the bearing block 10 in the air switch wiring screw hole 15 on the binding post 14, all the cover is equipped with the contact spring on the live wire double contact 4 with 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 installation position 201, a push block spring 9 arranged at the lower part of each push block 6 is connected with the electric energy meter frame 2, the upper end of each push block 6 can be contacted with an electric energy meter, each push block 6 is positioned at the inner side of each bearing block 10 and is contacted with the inner side of each bearing block 10, a matching surface 101 matched with each push block 6 is arranged on each bearing block 10, and one side of each push block 6 contacted with each bearing block 10 is an inclined surface which inclines outwards. 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 is connected with the electric energy meter frame 2, and corresponding through holes are formed in the device shell 11 corresponding to the supporting legs of the live wire double-contact 4 and the zero line double-contact 3. 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. The utility model provides a binding post 14 can be made as an organic whole or an organic whole with electric energy meter rack 2.
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.
In this embodiment, preferably, the two pushing blocks 6 are respectively disposed on two sides of the lower portion of the electric energy meter installation position 201.
In order to facilitate the installation and the removal of the electric energy meter, in the present embodiment, an elastic contact 13 is provided at the upper connection position of each connection terminal 14 for contacting with four connection hole sites 16 of the electric energy meter. The four elastic contacts 13 are made of brass.
The utility model discloses when the installation, electric energy meter 1 and air switch 5 correspond respectively and install electric energy meter installation position 201 and air switch installation position 202, electric energy meter 1 is through its four wiring hole sites 16 of taking with the elastic contact 13 on four binding post are pegged graft and are connected, four wirings of air switch 5 are connected with corresponding binding post 14 respectively and are compressed tightly through screw 12, the landing leg of live wire double contact 4 and zero line double contact 3 one end is pegged graft respectively in air switch wiring screw hole 15 on binding post 14, ejector pad 6 is pushed down after electric energy meter 1 is installed, ejector pad spring 9 is in the compression state, push pad 6 is pushed down after pushing down and struts bearing block 10 outside through the inclined plane that contacts with bearing block 10 and makes the lower extreme landing leg of live wire double contact 4 and zero line double contact 3 not contact with screw 12 in air switch wiring screw hole 15, live wire double contact 4 and zero line double contact 3 are non-conductive state, the power supply circuit of the resident at this time 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.
The above description of the present embodiment is provided for clarity of explanation, and not for limitation, and it will be apparent to those skilled in the art that modifications may be made without inventive faculty. For example, although the connection between the electric energy meter and the connection terminal is disclosed in the present embodiment by using the elastic contact, the connection is not limited thereto, and the connection between the electric energy meter and the connection terminal may also be performed by using a conventional connection method. When the electric energy meter is disassembled, the live wire double contact and the zero wire double contact are pushed in a manual mode to be in contact with the screw in the air switch wiring screw hole in time so as to form a double channel.
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 utility model provides an electric energy meter, air switch are prior art.
The utility model discloses when installing the electric energy meter, can predetermine in the electric energy meter box together with the electric energy meter, when changing the electric energy meter next time, can realize the purpose of changing the electric energy meter for the resident family electricity under the continuous condition of resident family.
Other parts in this embodiment are the prior art, and are not described herein again.
Claims (4)
1. A mechanism capable of replacing an electric energy meter without power failure 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) and a bearing block (10), wherein an electric energy meter mounting position (201) for mounting an electric energy meter is arranged on the upper portion of the electric energy meter frame (2), an air switch mounting position (202) for mounting an air switch is arranged on the lower portion of the electric energy meter frame (2), four wiring terminals (14) for connecting the electric energy meter and the air switch are arranged between the electric energy meter mounting position and the air switch mounting position, an air switch wiring screw hole (15) is arranged on the front side of each wiring terminal (14), screws (12) for compressing the air switch wiring are arranged in the air switch wiring screw holes (15), the bearing block (10) is movably arranged on the front side of each wiring terminal (14) in the front and back direction, and the live wire double contact (4) and the zero line double contact (3) are both in an H-shaped structure, the electric energy meter is characterized in that two supporting legs at one ends of the live wire double-contact (4) and the zero line double-contact (3) penetrate through the bearing block (10) and then are inserted into corresponding air switch wiring screw holes (15) on the wiring terminal (14), contact springs (7) are sleeved on the two supporting 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 installation position, 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), the upper ends of the push blocks (6) can be in contact with the electric energy meter, each push block (6) is located on the inner side of the bearing block (10) and in contact with the inner side of the bearing block (10), and one side, in contact with the bearing block (10), of each push block (6) is an inclined plane which inclines towards the outer side, the device shell (11) is arranged on the live wire double-contact (4), the zero line double-contact (3) and the front side of the push block (6) and connected with the electric energy meter frame (2), and corresponding through holes are formed in the device shell (11) corresponding to the live wire double-contact (4) and the supporting legs of the zero line double-contact (3).
2. The mechanism for replacing an electric energy meter without interrupting power supply 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 mechanism for replacing an electric energy meter without interrupting power supply 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).
4. A mechanism for continuously replacing an electric energy meter according to claim 1, 2 or 3, wherein: the two push blocks (6) are respectively arranged on two sides of the lower part of the electric energy meter installation position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745384.5U CN214794955U (en) | 2021-04-13 | 2021-04-13 | Mechanism capable of replacing electric energy meter without power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745384.5U CN214794955U (en) | 2021-04-13 | 2021-04-13 | Mechanism capable of replacing electric energy meter without power failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214794955U true CN214794955U (en) | 2021-11-19 |
Family
ID=78669246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120745384.5U Active CN214794955U (en) | 2021-04-13 | 2021-04-13 | Mechanism capable of replacing electric energy meter without power failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214794955U (en) |
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2021
- 2021-04-13 CN CN202120745384.5U patent/CN214794955U/en active Active
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