CN217956437U - Metering box of floor boundary switch - Google Patents
Metering box of floor boundary switch Download PDFInfo
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- CN217956437U CN217956437U CN202222259144.1U CN202222259144U CN217956437U CN 217956437 U CN217956437 U CN 217956437U CN 202222259144 U CN202222259144 U CN 202222259144U CN 217956437 U CN217956437 U CN 217956437U
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Abstract
The utility model relates to a circuit breaker technical field specifically is a fall to ground boundary switch batch meter, include casing, electrified display device, isolator, boundary switch, get electric installation, zero sequence current transformer, measurement voltage transformer, measurement current transformer and constitute. In this fall to ground boundary switch measurement case, transformer high pressure side protection and measurement function have been realized, the interlocking structure when isolator placed back to back with the boundary switch has been designed, prevent that electric maloperation from having reduced the equipment height simultaneously, the rotatable structure of measurement voltage transformer has been designed, when conveniently measuring the mutual-inductor check-up, measurement voltage transformer and measurement current transformer dismouting, need not reserve too much space, be favorable to the equipment miniaturization, adopt and get the electric installation and replace traditional electromagnetic type voltage transformer as the power, can prevent that system's electromagnetic resonance and secondary short circuit from causing voltage transformer to burn out the accident, it also is favorable to the equipment volume to reduce to get the electric installation volume simultaneously.
Description
Technical Field
The utility model relates to a circuit breaker technical field, specifically speaking relates to a fall to ground boundary switch batch meter.
Background
The distribution transformer protection generally adopts a low-voltage frame type circuit breaker, the low voltage is large in size due to large current, and a plurality of connecting busbars are used. The occupied space of the power distribution station or the pre-installed substation is large.
The publication number is CN210404426U discloses an outdoor high voltage boundary electric-energy metering box that falls to ground, the intelligent cabinet temperature adjusting device comprises a cabinet body, the inside of the cabinet body is divided into five independent compartments through metal partition, be the high-voltage switch room respectively, the high-voltage inlet wire room, the high-voltage outlet wire room, measurement room and gas storehouse, the high-voltage switch room, the high-voltage inlet wire room, the high-voltage outlet wire room and measurement room are respectively towards four position and around the gas storehouse setting, correspond the high-voltage switch room on the cabinet body, the high-voltage inlet wire room, the switch room door is installed respectively to the position of high-voltage outlet wire room and measurement room, the inlet wire room door, outlet wire room door and measurement room door, the both sides of high-voltage switch room are high-voltage inlet wire room and high-voltage outlet wire room respectively. The utility model discloses can solve installation construction, fortune maintenance and repair, measurement meter reading inconvenience on power supply department's high pressure boundary switch and the metering device post to and boundary switch and the outdoor installation of metering device receive the problem that environmental impact is big, the fault rate is high.
Although this technical scheme solves power supply department's high pressure boundary switch and metering device post on installation construction, operation and maintenance, measurement check meter inconvenient to and boundary switch and the outdoor installation of metering device receive environmental impact big, the fault rate is high problem, but it produces electric maloperation easily, causes voltage transformer to burn the accident easily when system electromagnetic resonance and secondary short circuit, and equipment is higher, and is bulky.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fall to ground boundary switch batch meter to solve the problem that proposes in the above-mentioned background art.
In order to realize the above-mentioned purpose, the utility model provides a boundary switch batch meter falls to ground, include casing, electrified display device, isolator, boundary switch, get electric installation, zero sequence current transformer, measurement voltage transformer, measurement current transformer and constitute, isolator has the ground connection function as the service entrance switch, there is obvious maintenance fracture and carry out reliable ground connection to the load side during the isolator disconnection, boundary switch is provided with spacing axle, isolator's rotation axis pass through the transfer line with the spacing hub connection of boundary switch realizes isolator with boundary switch's mechanical interlocking, during the boundary switch separating brake isolator could carry out the divide-shut brake operation.
Preferably, a metering chamber is arranged in the shell, and double metering epitopes are reserved.
Preferably, the charging display device is used for indicating the charging state of the inlet wire end.
Preferably, the power taking device is used for providing a working power supply for the boundary switch matching controller.
Preferably, the metering voltage transformer is insulated by resin casting, and a silicon rubber cable is used as a primary outgoing line of the metering voltage transformer.
Preferably, the metering voltage transformer is rotatably mounted in the housing, the metering voltage transformer is in a normal operation state when being rotated at an inner position of the housing, the metering voltage transformer can be conveniently dismounted and mounted when being rotated at an outer position of the housing, and after the metering voltage transformer is dismounted, a window formed by rotating the metering voltage transformer can be simultaneously used for dismounting and mounting the metering current transformer.
Preferably, one side of the metering voltage transformer is provided with a metering voltage transformer mounting plate rotating shaft at the position of the shell, a metering voltage transformer mounting plate is mounted on the metering voltage transformer mounting plate rotating shaft, and the metering voltage transformer mounting plate can be rotated along the metering voltage transformer mounting plate rotating shaft and is fixed through a fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
in this fall to ground boundary switch measurement case, transformer high pressure side protection and measurement function have been realized, interlocking structure when isolator placed back to back with the boundary switch has been designed, prevent that electric maloperation from having reduced the equipment height simultaneously, the rotatable structure of measurement voltage transformer has been designed, when conveniently measuring the transformer check-up, measurement voltage transformer and measurement current transformer dismouting, need not reserve too much space, be favorable to the equipment miniaturization, adopt and get the electric installation and replace traditional electromagnetic type voltage transformer as the power, can prevent that system's electromagnetic resonance and secondary short circuit from causing voltage transformer to burn out the accident, it also is favorable to the equipment volume to reduce to get the electric installation volume simultaneously.
Drawings
Fig. 1 is one of the schematic internal structural diagrams of the present invention;
fig. 2 is a second schematic view of the internal structure of the present invention;
fig. 3 is a third schematic view of the internal structure of the present invention;
fig. 4 is one of the schematic three-dimensional structures of the present invention;
fig. 5 is a second schematic perspective view of the present invention;
fig. 6 is a schematic view of a part of the structure of the present invention.
The various reference numbers in the figures mean:
1. a housing: 2. a charged display device; 3. an isolating switch; 4. a demarcation switch; 5. a power taking device; 6. a zero sequence current transformer; 7. a metering voltage transformer; 8. a metering current transformer; 9. a metering voltage transformer mounting plate; 10. a rotary shaft of a mounting plate of the metering voltage transformer; 11. fixing the bolt; 12. a limiting shaft; 13. and a transmission rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
The utility model provides a fall to ground boundary switch batch meter, as shown in fig. 1-6, by casing 1, electrified display device 2, isolator 3, boundary switch 4, get electric installation 5, zero sequence current transformer 6, measurement voltage transformer 7, 8 constitutions are constituteed to the measurement current transformer, isolator 3 has the ground connection function as the service entrance switch, isolator 3 breaks off and has obvious maintenance fracture occasionally and reliably ground the load side, boundary switch 4 is provided with spacing axle 12, isolator 3's rotation axis passes through transfer line 13 and is connected the mechanical interlocking who realizes isolator 3 and boundary switch 4 with boundary switch 4's spacing axle 12, isolator 3 just can carry out the divide-shut brake operation when boundary switch 4 separating brake, when boundary switch 4 divides the switch, spacing axle 12 diameter is great when the divide-shut, transfer line 13 can's unable motion along elongated slot department, isolator 3 can's unable operation of carrying out the floodgate this moment, when boundary switch 4 separating the floodgate, the coincidence of the less department of spacing axle 12 diameter with transfer line 13 circular slot department, transfer line 13 can be along the motion, this moment isolator 3 can carry out the coincidence of elongated slot.
In this embodiment, a metering chamber is provided in the housing 1, and two metering epitopes are reserved.
Specifically, the charging display device 2 indicates the charging state of the inlet line end.
Furthermore, the power taking device is used for providing a working power supply for the controller matched with the demarcation switch 4.
Furthermore, the metering voltage transformer 7 is insulated by resin casting, and a silicon rubber cable is used as a primary outlet wire of the metering voltage transformer 7.
Example 2
In order to further improve the use of the metering current transformer 8, on the basis of embodiment 1, the metering voltage transformer 7 is installed in the housing 1 in a rotatable manner, the device is in a normal operation state when rotating in the internal position of the housing 1, the device can be conveniently disassembled and assembled when rotating in the external position of the housing 1, after the metering voltage transformer 7 is put down, a window rotated out of the position can be simultaneously used for disassembling and assembling the metering current transformer 8, and after the metering current transformer 8 is disassembled, the window rotated out of the position can be simultaneously used for disassembling and assembling the metering current transformer 8.
Further, one side of measurement voltage transformer 7 casing 1 department is provided with measurement voltage transformer mounting panel rotation axis 10, install measurement voltage transformer mounting panel 9 on the measurement voltage transformer mounting panel rotation axis 10, measurement voltage transformer mounting panel 9 can be followed measurement voltage transformer mounting panel rotation axis 10 is rotatory to it is fixed through fixing bolt 11.
The utility model discloses a fall to ground boundary switch batch meter is when using, at first measure in voltage transformer mounting panel 9 is rotatory to falling to the ground boundary switch batch meter casing 1, and use fixing bolt 11 to fix the inside frame department at falling to the ground boundary switch batch meter casing 1, measure when voltage transformer mounting panel 9 rotates to casing 1 outside along measurement transformer mounting panel rotation axis 10, measurement voltage transformer 7 is in and falls to the ground switch batch meter outside, 7 dismouting of measurement voltage transformer are relatively easy this moment, and 7 rotatory front spaces of measurement voltage transformer can conveniently measure 8 dismouting of current transformer, the dismouting headspace when the design of this structure need not too much be the check-up of measurement voltage transformer 7 and measurement current transformer 8, be favorable to the miniaturized design of device.
Finally, it should be noted that in this embodiment, the isolating switch 3, the demarcation switch 4, the power taking device 5, the zero-sequence current transformer 6, the metering voltage transformer 7, the metering current transformer 8, and the like are all common standard components or components known to those skilled in the art, and the structure and principle of the components are known to those skilled in the art through technical manuals or conventional experimental methods.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a fall to ground boundary switch batch meter which characterized in that: constitute by casing (1), electrified display device (2), isolator (3), boundary switch (4), get electric installation (5), zero sequence current transformer (6), measurement voltage transformer (7), measurement current transformer (8), isolator (3) have the ground connection function as the inlet wire switch, there is obvious maintenance fracture and carry out reliable ground connection to the load side when isolator (3) break off, boundary switch (4) are provided with spacing axle (12), the rotation axis of isolator (3) pass through transfer line (13) with spacing axle (12) of boundary switch (4) are connected the realization isolator (3) with the mechanical interlocking of boundary switch (4), during boundary switch (4) separating brake isolator (3) just can carry out the divide-shut brake operation.
2. A floor demarcation switch metering box according to claim 1, wherein: a metering chamber is arranged in the shell (1), and double metering epitopes are reserved.
3. A floor demarcation switch batch meter according to claim 1, characterized in that: the electrified display device (2) is used for indicating the electrified state of the inlet wire end.
4. A floor demarcation switch batch meter according to claim 1, characterized in that: the power taking device is used for providing a working power supply for the controller matched with the demarcation switch (4).
5. A floor demarcation switch batch meter according to claim 1, characterized in that: the metering voltage transformer (7) is insulated by resin casting, and a silicon rubber cable is used as a primary outlet of the metering voltage transformer (7).
6. A floor demarcation switch batch meter according to claim 1, characterized in that: measurement voltage transformer (7) are in installation design in casing (1) is the rotatable formula, and the rotation is device normal operating condition when casing (1) internal position, and the rotation can make things convenient for the dismouting when casing (1) external position, works as measurement voltage transformer (7) are pulled down the back, and the window that here rotation goes out can supply simultaneously measurement current transformer (8) carry out the dismouting.
7. A floor demarcation switch batch meter according to claim 6, characterized in that: one side of measurement voltage transformer (7) casing (1) department is provided with measurement voltage transformer mounting panel rotation axis (10), install measurement voltage transformer mounting panel (9) on measurement voltage transformer mounting panel rotation axis (10), measurement voltage transformer mounting panel (9) can be followed measurement voltage transformer mounting panel rotation axis (10) is rotatory to it is fixed through fixing bolt (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222259144.1U CN217956437U (en) | 2022-08-26 | 2022-08-26 | Metering box of floor boundary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222259144.1U CN217956437U (en) | 2022-08-26 | 2022-08-26 | Metering box of floor boundary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217956437U true CN217956437U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222259144.1U Active CN217956437U (en) | 2022-08-26 | 2022-08-26 | Metering box of floor boundary switch |
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| CN (1) | CN217956437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117373851A (en) * | 2023-12-07 | 2024-01-09 | 南京瀚元科技有限公司 | Closing interlocking method suitable for user demarcation switch |
-
2022
- 2022-08-26 CN CN202222259144.1U patent/CN217956437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117373851A (en) * | 2023-12-07 | 2024-01-09 | 南京瀚元科技有限公司 | Closing interlocking method suitable for user demarcation switch |
| CN117373851B (en) * | 2023-12-07 | 2024-03-08 | 南京瀚元科技有限公司 | Closing interlocking method suitable for user demarcation switch |
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