CN216771812U - Power metering box - Google Patents
Power metering box Download PDFInfo
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- CN216771812U CN216771812U CN202122733595.XU CN202122733595U CN216771812U CN 216771812 U CN216771812 U CN 216771812U CN 202122733595 U CN202122733595 U CN 202122733595U CN 216771812 U CN216771812 U CN 216771812U
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- 239000000843 powder Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005192 partition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The embodiment of the utility model discloses a power metering box which can automatically extinguish fire, and comprises: the fire extinguishing box comprises a box body, a fire extinguishing module, an electric power metering device, an incoming line switch and an outgoing line switch; a first space, a second space and a third space are arranged in the box body; the electric power metering device is arranged in the first space, the incoming line switch is arranged in the second space, and the outgoing line switch is arranged in the third space; the first space and the second space are communicated through the wire inlet hole; the first space and the third space are communicated through a wire outlet hole; fire extinguishing modules are arranged on the inner wall of the second space and the inner wall of the third space; the fire extinguishing module on the inner wall of the second space is used for extinguishing fire when the inlet switch is on fire; and the fire extinguishing module on the inner wall of the third space is used for extinguishing fire when the outgoing switch fires. In addition, the installation plates and the elastic gaskets on the two sides of the box body and the arrangement of the installation holes on the elastic gaskets and the installation plates enable the box body to be stably installed on other objects.
Description
Technical Field
The utility model relates to the technical field of electric power metering devices, in particular to an electric power metering box.
Background
The electric power metering device is a metering instrument used for measuring and recording generated energy, supplied (mutually supplied) electric quantity, station power consumption, line loss electric quantity and user electric quantity. The electric power metering device comprises electric energy meters (a single-phase electric energy meter, a three-phase electric energy meter, a multifunctional electric energy meter, an intelligent charge control electric energy meter, an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), metering terminals (a collector, a concentrator, a distribution transformer monitoring and metering terminal, a load control terminal and the like), metering mutual inductors (comprising a voltage mutual inductor and a current mutual inductor) and secondary connecting wires and the like; the electric power metering device is generally installed in an electric power metering box, and the electric power metering box provides protection for the electric power metering device.
In the prior art, the power metering box often causes the electric power metering device to catch fire because of power load overload, ambient temperature are too high, the installation is incorrect or the private wiring leads to the short circuit, and then leads to the problem such as conflagration.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an electric power metering box which can automatically extinguish fire.
An embodiment of the present invention provides a power metering box, including: the fire extinguishing box comprises a box body, a fire extinguishing module, an electric power metering device, an incoming line switch and an outgoing line switch;
a first space, a second space and a third space are arranged in the box body;
the electric power metering device is arranged in the first space, the incoming line switch is arranged in the second space, and the outgoing line switch is arranged in the third space;
the first space and the second space are communicated through the wire inlet hole;
the first space is communicated with the third space through a wire outlet hole;
fire extinguishing modules are arranged on the inner wall of the second space and the inner wall of the third space;
the fire extinguishing module on the inner wall of the second space is used for extinguishing fire when the inlet switch is on fire;
the fire extinguishing module on the inner wall of the third space is used for extinguishing fire when the outgoing switch fires;
mounting plates are arranged on two sides of the box body, an elastic pad is arranged between the two mounting plates, and mounting holes are formed in the elastic pad and the mounting plates.
As one realization mode, the fire extinguishing module comprises a dry powder storage tank, a spray head, a gasket and a temperature-sensitive glass ball;
the spray head is communicated with the dry powder storage tank, and a temperature-sensitive glass ball is arranged in the spray head;
the gasket is arranged at the communication position of the spray head and the dry powder storage tank and is fixed through a temperature-sensitive glass ball.
As an implementation, the wire inlet is provided with a flame-retardant ring.
As an implementation mode, the outlet hole is provided with a flame-retardant ring.
As one realization mode, the inner wall of the box body is provided with a fireproof layer.
As an implementation manner, a first transparent cover plate is arranged on one side wall of the first space.
As an implementation manner, a second transparent cover plate is arranged on one side wall of the second space.
As an implementation mode, the second transparent cover plate is a turnover cover plate, and a first handle is arranged on the second transparent cover plate.
As an implementation manner, a third transparent cover plate is disposed on one side wall of the third space.
As an implementation manner, the third transparent cover plate is a reversible cover plate, and the third transparent cover plate is provided with a second handle.
According to the technical scheme, the embodiment of the utility model has the following advantages:
in the embodiment of the utility model, a first space, a second space and a third space are arranged in a box body; the electric power metering device is arranged in the first space, the incoming switch is arranged in the second space, and the outgoing switch is arranged in the third space; the first space and the second space are communicated through the wire inlet hole; the first space is communicated with the third space through a wire outlet hole; fire extinguishing modules are arranged on the inner wall of the second space and the inner wall of the third space; when the service entrance switch is on fire, the fire extinguishing module of second space inner wall can be gone out fire, and when the switch of being qualified for the next round of competitions is on fire, the fire extinguishing module of third space inner wall can go out this fire, therefore this power metering box can automatic fire extinguishing to prevent that service entrance switch or switch department of being qualified for the next round of competitions from leading to electric power metering device to be on fire because the wiring short circuit is on fire. In addition, the installation plates and the elastic gaskets on the two sides of the box body and the arrangement of the installation holes on the elastic gaskets and the installation plates enable the box body to be stably installed on other objects.
Drawings
FIG. 1 is a schematic diagram of a first structure of an electric power metering box according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second structure of the power metering box in the embodiment of the utility model.
Detailed Description
According to comprehensive analysis of the fire conditions of a plurality of electric power metering devices, the fire point of the electric power metering device is generally the switch incoming line position or the switch outgoing line position of the electric power metering device. This is caused by the fact that the wiring at the incoming and outgoing switches is prone to fire due to short circuits. And frequent electric power metering device incidents on fire, has brought certain economic loss for the electric wire netting enterprise.
To this end, as shown in fig. 1, an embodiment of the present invention provides a power metering box, including: the fire extinguishing box comprises a box body 1, a fire extinguishing module 4, an electric power metering device 2, a wire inlet switch 5 and a wire outlet switch 10.
In the embodiment of the present invention, the electric power metering device 2 specifically includes an electric energy meter, a metering terminal, a metering transformer, a secondary connecting wire, and the like.
A first space, a second space and a third space are arranged in the box body 1.
The electric power metering device 2 is arranged in the first space, the incoming line switch 5 is arranged in the second space, and the outgoing line switch 10 is arranged in the third space, namely the electric power metering device 2, the incoming line switch 5 and the outgoing line switch 10 are respectively arranged in independent spaces so as to limit the ignition and burning range and avoid the phenomenon of spreading of fire.
The first space and the second space communicate through the wire inlet hole 15. For example, as shown in fig. 1, the first space and the second space may be partitioned by a partition assembly, which may be a partition plate; be provided with entrance hole 15 on this cuts off the subassembly, this entrance hole 15 is used for the inlet wire to pass, and inlet switch 5 passes through the inlet wire with electric power metering device 2 and is connected.
Similarly, the first space and the third space communicate through the outlet hole 13. For example, as shown in fig. 1, the first space and the third space may be separated by a partition assembly, which may be a partition plate; the partition component is provided with a wire outlet hole 13, the wire outlet hole 13 is used for leading out wires to pass through, and the wire outlet switch 10 is connected with the electric power metering device 2 through the wire outlet.
The fire extinguishing modules 4 are arranged on the inner wall of the second space and the inner wall of the third space, wherein the fire extinguishing modules 4 on the inner wall of the second space are used for extinguishing fire when the inlet switch 5 fires; the fire extinguishing module 4 of the inner wall of the third space is used for extinguishing fire when the outlet switch 10 is on fire.
The structure of the fire extinguishing module 4 is not particularly limited in the embodiment of the present invention.
In the embodiment of the utility model, mounting plates 14 are respectively arranged on two sides of the box body 1, and mounting holes 12 are formed in the mounting plates 14 and used for mounting the electric metering box.
In the embodiment of the utility model, an elastic pad is arranged between the two mounting plates 14 on the two sides of the box body 1, and the elastic pad is provided with the mounting hole 12, so that the power metering box can be more stably mounted on other objects.
As shown in fig. 1, in order to introduce the wire into the second space and the third space, the second space and the third space are each provided at the bottom with a wire passage 8.
As one realization mode, the fire extinguishing module 4 comprises a dry powder storage tank 11, a spray head 6, a gasket 3 and a temperature-sensitive glass ball 7.
Wherein, the dry powder storage tank 11 is used for storing dry powder.
The spray head 6 is communicated with the dry powder storage tank 11 and is used for spraying the dry powder storage tank 11 to the incoming line switch 5 or the outgoing line switch 10.
A temperature-sensitive glass ball 7 is arranged in the spray head 6, and when the temperature reaches a threshold value, the temperature-sensitive glass ball 7 will burst.
The gasket 3 is arranged at the communication position of the spray head 6 and the dry powder storage tank 11 and is fixed by a temperature-sensitive glass ball 7; if the temperature-sensitive glass ball 7 is not burst, the gasket 3 plays a role of sealing the dry powder storage tank 11; if the dry powder storage tank 11 bursts, the gasket 3 falls under the pressure in the dry powder storage tank 11, so that the dry powder is sprayed through the spray head 6.
The arrangement positions of the fire extinguishing modules 4 on the inner walls of the second space and the third space are not particularly limited in the embodiments of the present invention.
For a second space, as shown in fig. 1, the fire suppression modules 4 may be embedded in a partition assembly; likewise, for the third space, the fire extinguishing module 4 may also be embedded in the partition assembly.
As one implementation, the fire extinguishing module 4 is detachable, so that after the fire extinguishing module 4 fails, the power metering box can be reused by replacing the failed fire extinguishing module 4.
In the embodiment of the utility model, when the incoming line switch 5 fires, the fire extinguishing module 4 extinguishes the fire to prevent the fire from spreading the whole box body 1 to cause the fire of the electric power metering device 2 in the box body 1; similarly, when the outlet switch 10 fires, the fire extinguishing module 4 extinguishes the fire to prevent the fire from spreading the whole box body 1 to cause the fire of the electric power metering device 2 in the box body 1; the embodiment of the utility model can also avoid fire caused by the fire of the incoming line switch 5 or the outgoing line switch 10, thereby avoiding the economic loss of enterprises.
It will be appreciated that if the inlet switch 5 fires, a fire may spread along the inlet aperture 15 to the first space, thereby causing the power metering device 2 to fire. Therefore, as one implementation mode, the flame-retardant ring 9 is arranged at the wire inlet hole 15.
The flame-retardant ring 9 can prevent the fire from spreading to the first space along the wire inlet hole 15.
The flame-retardant ring 9 can be arranged at any end of the wire inlet hole 15, and the flame-retardant rings 9 can be arranged at both ends of the wire inlet hole 15.
As one realization mode, the outlet hole 13 is provided with a flame-retardant ring 9.
The flame-retardant ring 9 also prevents fire from spreading to the first space along the outlet opening 13.
The flame-retardant ring 9 can be arranged at any end of the wire outlet hole 13, and the flame-retardant rings 9 can also be arranged at both ends of the wire outlet hole 13.
It will be appreciated that in order to avoid the case 1 from being fired by the outlet switch 10 or the inlet switch 5, the inner wall of the case 1 is provided with a fire resistant layer as one implementation.
As one implementation, as shown in fig. 2, a first transparent cover plate 201 is disposed on one side wall of the first space, and accordingly, the electric power metering device 2 in the first space can be observed through the transparent cover plate.
As an implementation, as shown in fig. 2, a second transparent cover plate 202 is disposed on one side wall of the second space, and accordingly, the inlet switch 5 in the second space can be observed through the transparent cover plate.
As an implementation manner, the second transparent cover plate 202 is a reversible cover plate, and a first handle is disposed on the second transparent cover plate 202.
It can be understood that, since the second transparent cover 202 is a reversible cover, the second transparent cover 202 can be pulled to be turned over by the first handle, so as to switch on/off the incoming line switch 5.
As one implementation, as shown in fig. 2, a third transparent cover plate 203 is disposed on one side wall of the third space, and accordingly, the outgoing line switch 10 in the third space can be viewed through the transparent cover plate.
As an implementation manner, the third transparent cover 203 is a reversible cover, and a second handle is disposed on the third transparent cover 203.
Similarly, since the third transparent cover 203 is a reversible cover, the third transparent cover 203 can be pulled to be turned over by the second handle, so as to close and open the inlet switch 5.
Note that, for convenience of use, as shown in fig. 2, a first transparent cover 201, a second transparent cover 202, and a third transparent cover 203 are generally provided on the front cover 101 of the case 1.
In order to achieve the purpose of fire prevention, the first transparent cover plate 201, the second transparent cover plate 202 and the third transparent cover plate 203 in the embodiment of the present invention may be made of a fire retardant material. Illustratively, the first transparent cover plate 201, the second transparent cover plate 202, and the third transparent cover plate 203 may each be a polycarbonate PC board having characteristics of high transparency, light weight, impact resistance, sound insulation, thermal insulation, flame retardancy, aging resistance, and the like.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A power metering box, comprising: the fire extinguishing box comprises a box body, a fire extinguishing module, an electric power metering device, an incoming line switch and an outgoing line switch;
a first space, a second space and a third space are arranged in the box body;
the electric power metering device is arranged in the first space, the incoming line switch is arranged in the second space, and the outgoing line switch is arranged in the third space;
the first space and the second space are communicated through a wire inlet hole;
the first space and the third space are communicated through a wire outlet hole;
the fire extinguishing modules are arranged on the inner wall of the second space and the inner wall of the third space;
the fire extinguishing module on the inner wall of the second space is used for extinguishing fire when the incoming switch is on fire;
the fire extinguishing module on the inner wall of the third space is used for extinguishing fire when the outgoing switch fires;
the both sides of box are provided with the mounting panel, two be provided with the cushion between the mounting panel, the cushion with be provided with the mounting hole on the mounting panel.
2. The power metering box of claim 1, wherein the fire suppression module comprises a dry powder reservoir, a spray head, a gasket, and a temperature sensitive glass bulb;
the spray head is communicated with the dry powder storage tank, and the temperature-sensitive glass ball is arranged in the spray head;
the gasket is arranged at the communication position of the spray head and the dry powder storage tank and is fixed through the temperature-sensitive glass ball.
3. The power metering box of claim 1, wherein a flame retardant ring is disposed at the inlet wire aperture.
4. The power metering box of claim 1, wherein a flame retardant ring is disposed at the outlet aperture.
5. The power metering box of claim 1, wherein the interior wall of the box body is provided with a fire resistant layer.
6. The power metering box of claim 1, wherein a first transparent cover is disposed on one side wall of the first space.
7. The power metering box of claim 1, wherein a second transparent cover is provided on one side wall of the second space.
8. The electrical metering box of claim 7, wherein the second transparent cover is a reversible cover, and the second transparent cover has a first handle disposed thereon.
9. An electric power metering box according to any one of claims 1 to 8, wherein a third transparent cover plate is provided on one side wall of the third space.
10. The power metering box of claim 9, wherein the third transparent cover is a reversible cover, and a second handle is provided on the third transparent cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122733595.XU CN216771812U (en) | 2021-11-09 | 2021-11-09 | Power metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122733595.XU CN216771812U (en) | 2021-11-09 | 2021-11-09 | Power metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771812U true CN216771812U (en) | 2022-06-17 |
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ID=81960344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122733595.XU Active CN216771812U (en) | 2021-11-09 | 2021-11-09 | Power metering box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019204A (en) * | 2021-11-09 | 2022-02-08 | 南方电网科学研究院有限责任公司 | Power metering box |
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2021
- 2021-11-09 CN CN202122733595.XU patent/CN216771812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019204A (en) * | 2021-11-09 | 2022-02-08 | 南方电网科学研究院有限责任公司 | Power metering box |
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