CN216959281U - Low-voltage portable quick transfer box - Google Patents
Low-voltage portable quick transfer box Download PDFInfo
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- CN216959281U CN216959281U CN202123302554.1U CN202123302554U CN216959281U CN 216959281 U CN216959281 U CN 216959281U CN 202123302554 U CN202123302554 U CN 202123302554U CN 216959281 U CN216959281 U CN 216959281U
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- quick
- transfer box
- metal piece
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- box body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a low-voltage portable quick transfer box, which comprises: a transfer box body; the number of the input end quick connectors is four, and the four input end quick connectors are respectively used for three-phase power and a neutral line; the output end quick-plug connectors are at least provided in one group, and each group of the output end quick-plug connectors comprises four output end quick-plug connectors; the busbar assembly is used for electrically connecting the input end quick plug connector and the output end quick plug connector, and a molded case circuit breaker is connected to the busbar assembly in series. When having solved the bypass operation, steerable breakpoint problem in the middle of the bypass circuit, under the condition that satisfies the security performance, make full use of space, the inner structure design is small, light in weight, conveniently carries. The quick switching box is provided with the molded case circuit breaker, so that the circuit can be disconnected under the condition of short circuit and other faults, and the protection of the circuit and equipment can be realized.
Description
Technical Field
The utility model relates to the technical field of low-voltage power distribution, in particular to a low-voltage portable quick transfer box.
Background
The uninterrupted power operation is one of the most advanced power distribution live working projects at home and abroad at present. The bypass operation method is an operation method which utilizes bypass drainage equipment such as bypass cables, bypass switches and the like to introduce operation equipment such as switches, lines and the like which need power failure into a bypass and replace or overhaul the operation equipment so as to continuously supply power to a great number of users.
The existing low-voltage bypass operation is lack of a controllable breaking point in the middle of a circuit when a bypass cable is laid, inconvenience is brought to safety and safety of low-voltage uninterrupted operation, and development of uninterrupted operation is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects and provides the low-voltage portable quick transfer box, incoming lines at two ends of the quick transfer box are set to be in a quick connection mode, and the low-voltage portable quick transfer box can be quickly connected with a bypass flexible cable during on-site bypass operation and is convenient to operate.
In order to achieve the above technical object, a technical solution of the present invention provides a low-voltage portable rapid adaptor box, including:
a transfer box body;
the number of the input end quick-connection plugs is four, the four input end quick-connection plugs are arranged on one side of the adapter box body from bottom to top at intervals, and the four input end quick-connection plugs are respectively used for three-phase power and a neutral line;
the output end quick-plugging connectors are at least provided in one group, each group of the output end quick-plugging connectors comprises four output end quick-plugging connectors, and the four output end quick-plugging connectors are arranged on the other side of the adapter box body from bottom to top;
the busbar assembly is used for electrically connecting the input end quick plug connector and the output end quick plug connector, and a molded case circuit breaker is connected to the busbar assembly in series.
Furthermore, the low-voltage portable quick transfer box further comprises a heater, the heater is arranged at the bottom of the inner cavity of the transfer box body, and a waterproof ventilation groove is formed in the upper portion of the side wall of the transfer box body.
Further, the busbar assembly comprises three input busbars and three output busbars, and the molded case circuit breaker is connected between the input busbars and the output busbars in series.
Furthermore, the bottom of the transfer box body is fixed with a grounding bus bar.
Furthermore, a three-phase voltmeter, a three-phase ammeter and a temperature and humidity controller are arranged inside the transfer box body, at least one openable sealing door is arranged on the transfer box body, a transparent observation window is arranged on the sealing door, and display ends of the three-phase voltmeter, the three-phase ammeter and the temperature and humidity controller are arranged relative to the transparent observation window.
Furthermore, the input end quick connector comprises a metal piece, a mandrel and an insulating tube, one end of the metal piece is in a round tube shape, the mandrel is coaxially arranged in the metal piece, one end of the metal piece is arranged in the mandrel and elastically abutted against the metal piece through a spring, the insulating tube is coaxially sleeved on the metal piece, one end of the metal piece is provided with a bolt outlet groove, and one end of the bolt outlet groove is communicated with an annular bolt groove formed in the inner peripheral surface of the metal piece.
Furthermore, a stud coaxially and fixedly connected with the metal piece is arranged at the tail of the metal piece, and a butt joint baffle and a locking nut are arranged on the stud.
Compared with the prior art, the utility model has the beneficial effects that:
1. the problem of steerable breakpoint in the middle of the bypass line during bypass operation is solved.
2. The quick transfer box fully utilizes the space under the condition of meeting the safety performance, has small internal structure design volume and light weight, and is convenient to carry.
3. The quick switching box is provided with the molded case circuit breaker, so that the circuit can be disconnected under the condition of short circuit and other faults, and the protection of the circuit and equipment can be realized.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of a low-pressure portable rapid transit box provided by the present invention;
FIG. 2 is a front structural schematic of a low-voltage portable quick-change adapter box provided by the present invention;
FIG. 3 is a schematic view of the left side of the low-voltage portable quick transfer box according to the present invention;
FIG. 4 is a schematic diagram of the right side of the low voltage portable quick transfer box provided by the present invention;
FIG. 5 is a schematic view of a first perspective structure inside a low-voltage portable rapid transit box according to the present invention;
FIG. 6 is a schematic view of a second perspective view of the interior of the low-voltage portable rapid transit box provided by the present invention;
fig. 7 is a schematic view of a first-view perspective structure of a busbar assembly connected to a molded case circuit breaker inside the low-voltage portable rapid transit box according to the present invention;
fig. 8 is a schematic view of a second perspective three-dimensional structure of the connection between the busbar assembly inside the low-voltage portable rapid transit box and the molded case circuit breaker according to the present invention;
fig. 9 is a schematic perspective view of the input end quick connector or the output end quick connector on the low-voltage portable quick adapter box provided by the utility model with the end cover removed;
fig. 10 is a schematic perspective sectional view of the input end quick connector or the output end quick connector on the low-voltage portable quick adapter box provided by the utility model with the end cover removed.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 10, the present embodiment provides a low-voltage portable quick transfer box, which includes: the transfer box comprises a transfer box body 1, an input end quick connector 2, an output end quick connector 3 and a busbar assembly 4.
The number of the input end quick-plug connectors 2 is four, the four input end quick-plug connectors 2 are arranged on one side of the adapter box body 1 from bottom to top at intervals, and the four input end quick-plug connectors 2 are respectively used for three-phase power and a neutral line; the output end quick-plugging connectors 3 are at least provided with one group, each group of output end quick-plugging connectors 3 comprises four output end quick-plugging connectors 3, and the four output end quick-plugging connectors 3 are arranged on the other side of the transfer box body 1 from bottom to top; the busbar assembly 4 is used for electrically connecting the input end quick connector 2 and the output end quick connector 3, and a molded case circuit breaker 5 is connected on the busbar assembly 4 in series.
In this embodiment, the portable quick transfer box of low pressure still include heater 6, heater 6 set up in the bottom of 1 inner chamber of transfer box body, just waterproof ventilation groove 1a has been seted up on the lateral wall upper portion of transfer box body 1, and is concrete, waterproof ventilation groove 1 a's one end and transfer box body 1's inner chamber intercommunication the other end downwarping of waterproof ventilation groove 1a and extend to the outside of transfer box body 1, effectively avoid outside rainwater to instil into the inner chamber of transfer box body 1.
The inside three-phase voltmeter 7, the three-phase ampere meter 8 and the atmospheric control ware 9 that are provided with of transfer box body 1, be provided with at least one sealing door 10 that can open on the transfer box body 1, be provided with transparent observation window 10a on the sealing door 10, the display end homogeneous phase of three-phase voltmeter 7, three-phase ampere meter 8 and atmospheric control ware 9 is for transparent observation window 10a arranges, has had atmospheric control ware 9 control, starts heater 6 heating when the temperature is very low and humidity is very high, prevents the condensation, can clearly see the operational aspect of device through transparent observation window 10 a.
The busbar assembly 4 comprises three input busbars 41 and three output busbars 42, the molded case circuit breaker 5 is connected in series between the input busbars 41 and the output busbars 42, and the bottom of the transfer box body 1 is fixed with a grounding busbar copper bar 11.
In this embodiment, the structure of the input end quick connector 2 is the same as that of the output end quick connector 3, only the structure of the input end quick connector 2 is described here, the input end quick connector 2 includes a metal member 21, a mandrel 22 and an insulating tube 23, one end of the metal member 21 is in a circular tube shape, the mandrel 22 is coaxially arranged in the metal member 21, one end of the mandrel 22 arranged in the metal member 21 is elastically abutted to the metal member 21 through a spring 24, the insulating tube 23 is coaxially sleeved on the metal member 21, one end of the metal member 21 is provided with a plug pin outlet slot 21a, and one end of the plug pin outlet slot 21a is communicated with an annular plug pin slot 21b formed in the inner peripheral surface of the metal member 21. The tail of the metal piece 21 is provided with a stud 25 coaxially and fixedly connected with the metal piece, the stud 25 is provided with a butt baffle 26 and a locking nut 27, the butt baffle 26 and the locking nut 27 are used for being connected with a through hole 41a on the input end busbar 41, and the metal piece 21 is electrically connected with the input end busbar 41.
The matched butt plug is connected with the input end quick plug connector 2 or the output end quick plug connector 3 and is provided with a metal pipe, the end part of an inner cavity of the metal pipe does not penetrate through the butt plug, a cylindrical pin is fixed on the outer peripheral surface of the metal pipe, the axis of the cylindrical pin is perpendicular to the axis of the metal pipe, the metal pipe is inserted into the metal piece during butt joint, meanwhile, the cylindrical pin enters the annular bolt sliding groove through the bolt entering and exiting groove, then the metal pipe rotates relative to the metal piece, the cylindrical pin and the bolt entering and exiting groove are circumferentially staggered, the matched butt plug is prevented from being separated from the input end quick plug connector/output end quick plug connector, the mandrel is inserted into the metal pipe and elastically abuts against the end part of the inner cavity of the metal pipe, and the elastic locking effect is achieved.
According to the low-voltage portable quick transfer box disclosed by the embodiment, the incoming line is a 1-path quick plug-in interface incoming line (not limited to 1-path incoming line and can be designed as a multi-path incoming line), the outgoing line is a 2-path quick plug-out line (not limited to 2-path outgoing lines and can be a 1-path outgoing line or a multi-path outgoing line), and multi-path loads can be supplied simultaneously. The incoming line and the outgoing line are controlled by the molded case circuit breaker, and when faults such as short circuit occur, the circuit can be cut off, so that the protection of the circuit and equipment is realized. The operation panel is provided with an electrified display area, so that the running condition of the circuit can be clearly seen. Meanwhile, a three-phase voltmeter and a three-phase ammeter are arranged on the operation panel, and voltage and current data observation is clear at a glance. A temperature and humidity controller is arranged in the transfer box body, and the transfer box has a condensation prevention function.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. A low-voltage portable quick-change transfer box, comprising:
a transfer box body;
the number of the input end quick-connection plugs is four, the four input end quick-connection plugs are arranged on one side of the adapter box body from bottom to top at intervals, and the four input end quick-connection plugs are respectively used for three-phase power and a neutral line;
the output end quick-plugging connectors are at least provided in one group, each group of output end quick-plugging connectors comprises four output end quick-plugging connectors, and the four output end quick-plugging connectors are arranged on the other side of the transfer box body from bottom to top;
the busbar assembly is used for electrically connecting the input end quick connector and the output end quick connector, and a molded case circuit breaker is connected to the busbar assembly in series.
2. The low-voltage portable quick transfer box of claim 1, further comprising a heater disposed at the bottom of the inner cavity of the transfer box body, wherein a waterproof ventilation groove is formed in the upper portion of the side wall of the transfer box body.
3. The low-voltage portable quick transfer box according to claim 1, wherein said bus bar assembly comprises three input bus bars and three output bus bars, and said molded case circuit breaker is connected in series between said input bus bars and said output bus bars.
4. The low voltage portable quick adapter box of claim 1, wherein a ground busbar is fixed to the bottom of the adapter box body.
5. The low-voltage portable rapid junction box according to claim 1, wherein a three-phase voltmeter, a three-phase ammeter and a temperature and humidity controller are arranged inside the junction box body, at least one openable sealing door is arranged on the junction box body, a transparent observation window is arranged on the sealing door, and display ends of the three-phase voltmeter, the three-phase ammeter and the temperature and humidity controller are arranged opposite to the transparent observation window.
6. The low-voltage portable quick transfer box according to claim 1, wherein the input end quick connector comprises a metal piece, a mandrel and an insulating tube, one end of the metal piece is in a round tube shape, the mandrel is coaxially arranged in the metal piece, one end of the mandrel arranged in the metal piece is elastically abutted to the metal piece through a spring, the insulating tube is coaxially sleeved on the metal piece, one end of the metal piece is provided with a plug pin outlet groove, and one end of the plug pin outlet groove is communicated with an annular plug pin groove formed in the inner peripheral surface of the metal piece.
7. The low-pressure portable quick transfer box according to claim 6, wherein a stud fixedly connected with the metal piece coaxially is arranged at the tail of the metal piece, and a butt baffle and a locking nut are arranged on the stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302554.1U CN216959281U (en) | 2021-12-24 | 2021-12-24 | Low-voltage portable quick transfer box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302554.1U CN216959281U (en) | 2021-12-24 | 2021-12-24 | Low-voltage portable quick transfer box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959281U true CN216959281U (en) | 2022-07-12 |
Family
ID=82313240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123302554.1U Active CN216959281U (en) | 2021-12-24 | 2021-12-24 | Low-voltage portable quick transfer box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959281U (en) |
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2021
- 2021-12-24 CN CN202123302554.1U patent/CN216959281U/en active Active
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