CN215599228U - Change switching device of electric energy meter - Google Patents
Change switching device of electric energy meter Download PDFInfo
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- CN215599228U CN215599228U CN202121042499.4U CN202121042499U CN215599228U CN 215599228 U CN215599228 U CN 215599228U CN 202121042499 U CN202121042499 U CN 202121042499U CN 215599228 U CN215599228 U CN 215599228U
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- 238000005299 abrasion Methods 0.000 description 2
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Abstract
The utility model provides a switching device for replacing an electric energy meter, which comprises: the box body is provided with a plurality of single-pole double-throw switches, a plurality of first binding posts and a plurality of second binding posts; a plurality of input terminals disposed on a side surface of the case, the plurality of input terminals being connected to first terminals of the single-pole double-throw switches; a plurality of second terminals of the single-pole double-throw switches are connected with the first terminals; a plurality of output terminals provided on the side surface of the case located at the input terminal, the plurality of output terminals being connected to the plurality of second terminals; one end of each conversion line is connected with the input terminals and the output terminals in a plugging and unplugging manner, and the other end of each conversion line is provided with an alligator clip; the utility model can realize the measurement switching of the new electric energy meter and the old electric energy meter under the condition of short-time power failure, reduces the influence on users and simultaneously ensures the construction time.
Description
Technical Field
The utility model belongs to the technical field of electric energy meters, and particularly relates to a switching device for replacing an electric energy meter.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, along with the popularization and the updating speed of the intelligent electric energy meter are increased, the operation period of the intelligent electric energy meter is shortened, and a power supply enterprise can replace the operating electric energy meter at irregular intervals so as to ensure the accuracy of electric energy metering and the expansion and implementation of related functions; the intelligent electric energy meter is used as secondary equipment of an electric energy metering system, a certain time is needed in the replacement process, and a certain power-off time is needed in the meter replacement process to meet the construction requirement of replacing the electric energy meter, so that inconvenience is brought to users; and also there is uninterrupted power supply conversion equipment in the existing market, however, current uninterrupted power supply conversion equipment structure is complicated, and wherein every terminal corresponds a switch, need operate every switch respectively in the work progress, and whole work load is great.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the switching device for replacing the electric energy meter, which can realize the measurement switching of the new and old electric energy meters under the condition of short-time power failure, reduce the influence on users and simultaneously ensure the construction time; the function of replacing the electric energy meter in an electrified way is reserved, the simultaneous action of the single-pole double-throw switches is controlled by the main switch, the operation time is saved, and the efficiency is improved.
According to some embodiments, the utility model provides a switching device for replacing an electric energy meter, which adopts the following technical scheme:
an adapter device for replacing an electric energy meter, comprising:
the box body is provided with a plurality of single-pole double-throw switches, a plurality of first binding posts and a plurality of second binding posts;
the input terminals are arranged on the side surface of the box body and are connected with the first connector lug and the handle of the single-pole double-throw switch; the second connector lug of the single-pole double-throw switch is connected with the first connector lug;
the output terminals are arranged on the box body and positioned on the same side of the input terminals, and the output terminals are connected with a first connector lug and a handle of the single-pole double-throw switch; the second connector lug of the single-pole double-throw switch is connected with the second wiring terminal;
and one end of each conversion line is connected with the input terminals and the output terminals in a plugging manner, and the other end of each conversion line is provided with an alligator clip.
Furthermore, one end of the box body, which is far away from the output terminal, is provided with a fixing support.
Furthermore, the fixed support is in a plate shape, and a hanging piece is arranged on the fixed support; the hanging piece is used for hanging a new electric energy meter.
Furthermore, the fixed support is hinged to the box body, so that the box body is convenient to carry and store.
Furthermore, the box body is provided with a handle, so that the box is convenient to carry.
Furthermore, the single-pole double-throw switches are arranged side by side, and handles of the single-pole double-throw switches are connected through an insulating structure to form a main switch; all lines are switched simultaneously through the main switch, and time is saved.
Furthermore, the insulating structure is rectangular, and an operating part is arranged at one end, far away from the handle, of the insulating structure, so that the operation is facilitated.
Furthermore, the plurality of first binding posts and the plurality of second binding posts are detachably arranged on the box body.
Furthermore, one side of the box body, which is positioned on the input terminal and the output terminal, is hinged with a transparent cover, so that the box body has the functions of dust prevention and abrasion prevention.
Further, the input terminal and the output terminal are arranged as a socket.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the single-pole double-throw switch is arranged, the switching device is used for disconnecting the old electric energy meter to be replaced from the measuring circuit in advance, and the circuit with the single-pole double-throw switch in the replacing device is continuously connected with the measuring circuit; then, the single-pole double-throw switch realizes that the metering switching between the new and old electric energy meters and the new electric energy meter is completed in a short time under the condition of power failure, reduces the influence on users and simultaneously ensures the construction time.
2. The device has the function of replacing the electric energy meter without power failure, and the device is provided with the master switch to control the simultaneous actions of the single-pole double-throw switches, so that the circuit can be switched quickly, the operation time is saved, and the efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic diagram of an application of embodiment 1 of the present invention;
fig. 2 is a front view of a main switch of embodiment 1 of the present invention;
fig. 3 is a side view of a main switch of embodiment 1 of the present invention;
fig. 4 is a schematic diagram of an input terminal switching circuit according to embodiment 1 of the present invention.
In the figure: 1. the novel electric energy meter comprises a box body, 2, a single-pole double-throw switch, 21, a first connector lug, 22, a second connector lug, 23, a handle, 24, an insulating structure, 25, an operating part, 26, a third connector lug, 3, a first connector lug, 4, a second connector lug, 5, a new electric energy meter, 6, a fixing support, 7, an input terminal, 8, an output terminal, 9, a conversion line, 10 and an old electric energy meter.
The specific implementation mode is as follows:
the utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1:
an adapter device for replacing an electric energy meter, comprising: the switch comprises a box body 1, a plurality of single-pole double-throw switches 2 arranged on the upper side of the box body 1, a plurality of first terminals 3 and a plurality of first terminals 4 arranged on the rear end of the upper side of the box body 1, and a plurality of input terminals 7 and output terminals 8 arranged on the front side of the box body 1.
In the present embodiment, the number of the first terminals 3 is the same as that of the first terminals 4; a plurality of the input terminals 7 are connected with the first terminals 21 and the handle 23 of a plurality of the single-pole double-throw switches 2; a plurality of second terminals 22 of a plurality of the single-pole double-throw switches 2 are connected to the plurality of first terminals 3; a plurality of the output terminals 8 are connected with the first terminals 21 and the handle 23 of the plurality of single-pole double-throw switches 2; a plurality of second terminals 22 of a plurality of the single-pole double-throw switches 2 are connected to the plurality of second terminals 4; specifically, the first terminal of the single-pole double-throw switch 2 is connected to the handle 23 through a third terminal 26.
When the single-pole double-throw switch is used, an input terminal connected with a handle 23 of the single-pole double-throw switch 2 is connected with a user lead before the input of an old electric energy meter 10 through a patch cord 9, and an input terminal connected with a first connector lug 21 of the single-pole double-throw switch 2 is connected with an input terminal of the old electric energy meter 10; an output terminal connected with a handle 23 of the single-pole double-throw switch 2 is connected with a user conductor at the output end of the old electric energy meter 10 through a patch cord 9, and an output terminal connected with a first connector lug 21 of the single-pole double-throw switch 2 is connected with an output terminal of the old electric energy meter 10.
Preferably, one end of the conversion line 9 is connected with the plurality of input terminals 7 and the output terminals 8 in a plugging and unplugging manner, and can be realized by a conventional wiring plug; the other end of the conversion line 9 is provided with an alligator clip, through the alligator clip is convenient for connect temporarily user's wire and old electric energy meter's wiring end, set up insulating part on the alligator clip operating handle, specific can set up the insulating cover of rubber and realize.
In this embodiment, a fixing bracket 6 is disposed at one end of the box body 1 away from the output terminal 8; the structure and the shape of the fixed bracket 6 can be set according to specific requirements; preferably, the fixed support 6 is plate-shaped, a hanging piece is arranged on the plate, and the hanging piece is matched with a mounting point of the electric energy meter or an outer shell of the electric energy meter and used for hanging the new electric energy meter 5.
In the present embodiment, the fixed bracket 6 is hinged on the box body 1; preferably, a hinge can be used for connection, when the device is transported, the fixed bracket 6 is combined on the box body 1, so that the box body is convenient to transport and store, it can be understood that the main switch is fixed on the box body 1 through a mounting groove, and when the fixed bracket 6 is used, the main switch is positioned on the inner side of the box body 1; the box body 1 is provided with a handle (not marked in the figure), the handle is installed on the box body 1 in a welding or bolt fixing mode, and the handle is convenient to carry.
As shown in fig. 2 and 3, in the present embodiment, the plurality of single-pole double-throw switches 2 are arranged side by side, and the handles 23 of the plurality of single-pole double-throw switches 2 are connected through the insulating structure 24 to form a main switch; the main switch simultaneously realizes the simultaneous action of all the single-pole double-throw switches 2 and completes the circuit switching, thereby saving the time.
Preferably, the insulating structure 24 is rectangular, and may be made of an insulating ceramic material; an operating part 25 is arranged at one end of the insulating structure 24 far away from the handle 23, so that the operation is convenient.
Preferably, the first terminals 3 and the second terminals 4 are detachably arranged on the box body 1; specifically, an external thread can be arranged at one end of the binding post, a hole and an internal thread are formed in the box body 1 to achieve detachable connection, and in other embodiments, detachable connection can be achieved in a plug-in mode.
In the present embodiment, a transparent cover (not shown) is hinged on one side of the box body 1, which is located at the input terminal 3 and the output terminal 4; the transparent cover is arranged to prevent dust from entering the input terminal 3 and the output terminal 4, and meanwhile, the friction of external objects on the input terminal 3 and the output terminal 4 in the carrying process is avoided, so that the dustproof and anti-abrasion effects are achieved; when the circuit is connected, the transparent cover can be opened, and the connection between the input terminal 3 and the output terminal 4 and the patch cord 9 is not affected.
Preferably, the input terminal 3 and the output terminal 4 are sockets; the corresponding structure of the switching line 9 corresponds to that, which can be realized by the prior art.
Taking the replacement of the unidirectional electric energy meter as an example, the working process or principle of the utility model is as follows:
the input end of a new electric energy meter 5 is connected with the input terminal 3 through a lead, and the output end of the new electric energy meter is connected with the output terminal 4, wherein the length of the lead is long enough to meet the requirements of moving and installing the new electric energy meter 5;
the user lines a and b (one of the user lines a and b is a live line and the other is a zero line) are sequentially connected with 2 input terminals 7 and a handle 23 of 2 one-way double-throw switches 2 through 2 transfer lines 9, the input end of the old electric energy meter 10 is connected with a first connector lug 21 of the one-way double-throw switch 2, and the input end of the new electric energy meter 5 is connected with a second connector lug 22 of the one-way double-throw switch 2 through an input connector lug 3.
The output end of the old electric energy meter 10 is also connected with the first connector 21 of 2 one-way double-throw switches 2, the subscriber line output by the old electric energy meter 10 is connected with the handle 23 of the one-way double-throw switch 2, and the output end of the new electric energy meter 5 is connected with the second connector 22 corresponding to the one-way double-throw switch 2 through the output connector 8.
The handle 23 is in contact with the first connector lug 21, the old electric energy meter 10 is detached from a user line, and after the detachment, the handle 23 is in contact with the second connector lug 22 by operating the main switch, so that the measurement switching between the old electric energy meter 10 and the new electric energy meter 5 is completed under the condition of short-time power failure; or the handle 23 can be contacted with the second connector lug 22 by operating the main switch, and then the old electric energy meter 10 is disassembled on a user line, so that the electric energy meter can be replaced in a non-power-off state; and connecting the new electric energy meter 5 into a user circuit, and detaching the patch cord 9.
When the three-phase electric energy meter is replaced, the replacement can be realized only by increasing the number of the input terminal, the output terminal, the single-pole double-throw switch, the wiring terminal and other parts, and the principle is the same; in the utility model, the selected conversion line is consistent with the specification of a wire for connecting the electric energy meter with a user circuit.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A switching device for replacing an electric energy meter is characterized by comprising:
the box body is provided with a plurality of single-pole double-throw switches, a plurality of first binding posts and a plurality of second binding posts;
the input terminals are arranged on the side surface of the box body and are connected with the first connector lug and the handle of the single-pole double-throw switch; the second connector lug of the single-pole double-throw switch is connected with the first connector lug;
the output terminals are arranged on the box body and positioned on the same side of the input terminals, and the output terminals are connected with a first connector lug and a handle of the single-pole double-throw switch; the second connector lug of the single-pole double-throw switch is connected with the second wiring terminal;
and one end of each conversion line is connected with the input terminals and the output terminals in a plugging manner, and the other end of each conversion line is provided with an alligator clip.
2. The adapter device for replacing an electric energy meter according to claim 1, wherein a fixing bracket is arranged at one end of the box body away from the output terminal.
3. The adapter device for replacing an electric energy meter according to claim 2, wherein the fixing bracket is configured in a plate shape, and the fixing bracket is provided with a hanging member.
4. The adapter device for replacing an electric energy meter according to claim 2, wherein the fixing bracket is hinged to the case.
5. The adapter device for replacing an electric energy meter according to claim 2, wherein a handle is provided on the case.
6. The switching device for replacing an electric energy meter according to claim 1, wherein the plurality of single-pole double-throw switches are arranged side by side, and handles of the plurality of single-pole double-throw switches are connected through an insulating structure to form a main switch.
7. The adapter device for replacing an electric energy meter according to claim 6, wherein the insulating structure is rectangular, and an operating part is arranged at one end of the insulating structure, which is far away from the handle.
8. The adapter device for replacing an electric energy meter according to claim 1, wherein a plurality of the first terminals and a plurality of the second terminals are detachably disposed on the box body.
9. The adapter device for replacing an electric energy meter according to claim 1, wherein a transparent cover is hinged to one side of the box body, which is located at the input terminal and the output terminal.
10. The adapter device for replacing an electric energy meter according to claim 1, wherein the input terminal and the output terminal are provided as sockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121042499.4U CN215599228U (en) | 2021-05-14 | 2021-05-14 | Change switching device of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121042499.4U CN215599228U (en) | 2021-05-14 | 2021-05-14 | Change switching device of electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599228U true CN215599228U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121042499.4U Active CN215599228U (en) | 2021-05-14 | 2021-05-14 | Change switching device of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215599228U (en) |
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2021
- 2021-05-14 CN CN202121042499.4U patent/CN215599228U/en active Active
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