CN111162466A - Modular convenient block terminal that overhauls - Google Patents

Modular convenient block terminal that overhauls Download PDF

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Publication number
CN111162466A
CN111162466A CN202010065284.8A CN202010065284A CN111162466A CN 111162466 A CN111162466 A CN 111162466A CN 202010065284 A CN202010065284 A CN 202010065284A CN 111162466 A CN111162466 A CN 111162466A
Authority
CN
China
Prior art keywords
box body
box
socket
breaker
bottom shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010065284.8A
Other languages
Chinese (zh)
Inventor
彭宁
何卓桦
张蓓
陈灵祥
卢清平
黄健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Tobacco Guangdong Industrial Co Ltd
Original Assignee
China Tobacco Guangdong Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Tobacco Guangdong Industrial Co Ltd filed Critical China Tobacco Guangdong Industrial Co Ltd
Priority to CN202010065284.8A priority Critical patent/CN111162466A/en
Publication of CN111162466A publication Critical patent/CN111162466A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • H02B1/48Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The application discloses modular convenient block terminal that overhauls includes: a box body cover and a box body bottom shell; the box body cover is detachably connected with the box body bottom shell; an incoming line breaker, an outgoing line breaker, a first breaker, a second breaker and a civil socket are arranged in the bottom shell of the box body; the box body cover is correspondingly provided with an operation window; a quick wiring terminal is also arranged in the bottom shell of the box body; the box body cover is provided with a mechanical interlocking socket and an industrial socket; the outgoing line breaker is electrically connected with the incoming line breaker; the incoming line breaker is electrically connected with the first breaker, the second breaker and the mechanical interlocking socket respectively; the first circuit breaker is electrically connected with the civil socket; the second circuit breaker is electrically connected with the industrial socket; the lower end of the bottom shell of the box body is provided with a breather valve and an inlet and outlet wire Glan; one side of box drain pan is provided with the through wires hole that is used for the combination concatenation of a plurality of block terminals. The invention greatly improves the flexibility and the power utilization reliability of the maintenance distribution box.

Description

Modular convenient block terminal that overhauls
Technical Field
The application relates to the technical field of overhaul distribution boxes, in particular to a combined convenient overhaul distribution box.
Background
The field overhaul distribution box adopts a standard industrial socket mode, and provides 380V and 220V plug-in power taking modes. In the equipment maintenance process, the maintenance tool can conveniently take electricity only through a standard socket on the maintenance box. At present, the existing overhaul distribution box is low in flexibility and low in power utilization reliability, and therefore the invention provides a combined convenient overhaul distribution box.
Disclosure of Invention
The embodiment of the application provides a modular convenient distribution box that overhauls for the flexibility and the power consumption reliability of overhauing the distribution box have been improved greatly.
In view of this, the application provides a modular convenient maintenance block terminal, includes: a box body cover and a box body bottom shell;
the box body cover is detachably connected with the box body bottom shell;
an incoming line breaker, an outgoing line breaker, a first breaker, a second breaker and a civil socket are arranged in the bottom shell of the box body;
the box body cover is correspondingly provided with an operation window for conveniently operating the devices in the bottom shell of the box body;
a quick wiring terminal for facilitating wiring of workers is further arranged in the bottom shell of the box body;
the box body cover is provided with a mechanical interlocking socket and an industrial socket;
the outgoing line breaker is electrically connected with the incoming line breaker;
the incoming line circuit breaker is electrically connected with the first circuit breaker, the second circuit breaker and the mechanical interlocking socket respectively;
the first circuit breaker is electrically connected with the civil socket;
the second circuit breaker is electrically connected with the industrial socket;
the lower end of the bottom shell of the box body is provided with a breather valve and an inlet and outlet wire Glan;
one side of box drain pan is provided with the through wires hole that is used for the combination concatenation of a plurality of block terminals.
Optionally, sealing elements are disposed between the box bottom case and the box cover, between the operation window and the box cover, between the breather valve and the box bottom case, between the access wire glan and the box bottom case, between the mechanical interlocking socket and the box cover, and between the industrial socket and the box cover.
Optionally, a guide rail is fixed in the bottom case of the box body;
the incoming line circuit breaker, the outgoing line circuit breaker, the first circuit breaker, the second circuit breaker and the civil socket are all fixed on the guide rail.
Optionally, an inner hinge is fixed to one side of the inside of the bottom case of the case body, and the case body cover is detachably connected to the bottom case of the case body through the inner hinge.
Optionally, a plurality of threaded holes are uniformly formed in the edge of the bottom shell of the box body;
the box body cover is in threaded connection with the box body bottom shell through bolts.
Optionally, an LED display screen for observing the power-on condition of the socket is arranged on the mechanical interlocking socket.
Optionally, the domestic sockets comprise three-jack sockets and two-jack sockets.
Optionally, four corners of the bottom case of the box body are provided with mounting lugs for mounting and fixing.
Optionally, the bottom case and the cover are made of glass fiber reinforced polycarbonate.
Optionally, the sealing element is made of flame-retardant silica gel.
According to the technical scheme, the embodiment of the application has the following advantages: the outgoing line of the maintenance distribution box adopts an outgoing line breaker control and quick wiring terminal structure, can conveniently and flexibly adapt to the requirements of field working conditions, can conveniently, quickly, safely and reliably wire and supply power no matter whether a plug is arranged or not, when the outgoing line needs to be connected to the next maintenance distribution box, only an outgoing cable needs to be connected to a corresponding quick wiring terminal, when a load needs to be connected nearby, the cable can be connected to the outgoing line breaker, and the power utilization safety of the whole loop is protected while the outgoing line breaker is convenient and quick; the civil socket, the industrial socket and the mechanical interlocking socket are controlled and protected by the special leakage protection switches by arranging the plurality of circuit breakers, and the power supply of the circuits can be actively cut off when the circuits break down, so that the leakage loading mode can ensure that the power supply of other branch circuits cannot be influenced when one branch circuit breaks down, and higher independence and safety are realized; the combined type modularized design is adopted, the threading holes for combining and splicing the distribution boxes are formed in one side of the bottom shell of the box body, the switch quantity and the switch combination with different voltage levels can be matched at will according to the on-site maintenance requirements, the power supply of any maintenance equipment or instrument without an industrial plug is met, and in the using process, the protection level of the box body and the arrangement of an electrical loop in the box body are not influenced; the mechanical interlocking socket is arranged, so that the plug can be inserted or pulled out only when the breaker is positioned at a power-off position, and the breaker can be switched on and powered only when the plug is reliably inserted in place, so that the plug can be prevented from being plugged in and pulled out in a hot-line manner, and the power utilization is safer and more reliable; the breather valve is arranged at the lower end of the bottom shell of the box body, so that the exchange of air inside and outside the box body can be realized under the condition of preventing external water or dust from entering, and the generation of condensed water is prevented.
Drawings
FIG. 1 is a front view of a modular convenience access power distribution box of an embodiment of the present application;
fig. 2 is a schematic view of an internal structure of the combined convenient maintenance distribution box in the embodiment of the present application;
fig. 3 is a left side view of the combined portable access distribution box in an embodiment of the present application;
fig. 4 is a perspective view of a combined portable access distribution box in an embodiment of the present application;
FIG. 5 is a circuit diagram of a combined portable access distribution box in an embodiment of the present application;
wherein the reference numerals are:
1-incoming line breaker, 2-second breaker, 3-outgoing line breaker, 4-first breaker, 5-three-hole socket, 6-two-hole socket, 7-industrial socket, 8-mechanical interlocking socket, 9-installation hanging lug, 10-breather valve, 11-incoming and outgoing line glan, 12-quick wiring terminal, 13-box bottom shell, 14-box cover, 15-operation window, 16-internal hinge, 17-LED display screen, 18-fixing piece, 19-guide rail and 20-bolt.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The inventor finds that: because the field standard industrial maintenance distribution box circuit does not have a standby connecting port, and a bare circuit system is not allowed in the environment with high dust concentration, humidity and temperature, the power supply can not be connected and powered through a direct wire if the maintenance equipment or instrument does not have a standard 380V or 220V power supply plug in the maintenance process. And adopt interim scene to install additional, can reduce maintenance efficiency to a great extent, so current maintenance block terminal's the nimble degree of degree is low.
The application provides an embodiment of a modular convenient access block terminal, please refer specifically to fig. 1-5.
Convenient maintenance block terminal of combination formula in this embodiment includes: the box body cover 14 and the box body bottom shell 13, the box body cover 14 is detachably connected with the box body bottom shell 13, the box body bottom shell 13 is internally provided with an incoming line breaker 1, an outgoing line breaker 3 and a first breaker 4, second circuit breaker 2 and civilian socket, it is used for conveniently carrying out the operation window 15 of operating to the device in the box drain pan 13 to correspond to be provided with on the box lid 14, still be provided with the quick binding post 12 that is used for making things convenient for the workman to work a telephone switchboard in the box drain pan 13, be provided with mechanical interlocking socket 8 and industrial socket 7 on the box lid 14, circuit breaker 3 that is qualified for the next round of competitions is connected with inlet wire circuit breaker 1 electricity, inlet wire circuit breaker 1 respectively with first circuit breaker 4, second circuit breaker 2 is connected with mechanical interlocking socket 8 electricity, first circuit breaker 4 is connected with civilian electric connection with civilian socket, second circuit breaker 2 is connected with industrial socket 7 electricity, the lower extreme of box drain pan 13 is provided with breather valve 10 and business turn over line glan 11, one side.
It should be noted that: the outgoing line of the maintenance distribution box adopts a structure of an outgoing line breaker 3 control and a quick wiring terminal 12, so that the requirements of field working conditions can be conveniently and flexibly adapted, whether a plug exists or not, wiring and power supply can be conveniently, quickly, safely and reliably realized, when the outgoing line needs to be connected to the next maintenance distribution box, only an outgoing cable needs to be connected to the corresponding quick wiring terminal 12, when a load needs to be connected nearby, the cable can be connected to the outgoing line breaker 3, and the electricity utilization safety of the whole loop is protected conveniently and quickly; the civil socket, the industrial socket 7 and the mechanical interlocking socket 8 are controlled and protected by the special leakage protection switches by arranging the plurality of circuit breakers, and the power supply of the circuits can be actively cut off when the circuits break down, so that the leakage loading mode can ensure that the power supply of other circuits cannot be influenced when one circuit breaks down, and higher independence and safety are achieved; the combined type modularized design is adopted, the threading holes for combining and splicing the distribution boxes are formed in one side of the bottom shell 13 of the box body, the switch quantity and the switch combination with different voltage levels can be matched at will according to the on-site maintenance requirements, the power supply of any maintenance equipment or instrument without an industrial plug is met, and in the using process, the protection level of the box body and the arrangement of an electric loop in the box body are not influenced; the mechanical interlocking socket 8 is arranged, so that a plug can be inserted or pulled out only when the breaker is in a power-off position, and the breaker can be switched on and powered only when the plug is reliably inserted in place, so that the plug can be prevented from being plugged in and pulled out in a hot-line manner, and the power utilization is safer and more reliable; the breather valve 10 is arranged at the lower end of the bottom shell 13 of the box body, so that the exchange of air inside and outside the box body can be realized under the condition of preventing external water or dust, and the generation of condensed water is prevented.
The above embodiment first of a combined convenient maintenance block terminal that this application embodiment provided, the following embodiment second of a combined convenient maintenance block terminal that this application embodiment provided, please refer to fig. 1 to 5 specifically.
Convenient maintenance block terminal of combination formula in this embodiment includes: the box body cover 14 and the box body bottom shell 13 are detachably connected, the box body cover 14 is detachably connected with the box body bottom shell 13, an incoming line breaker 1, an outgoing line breaker 3, a first breaker 4, a second breaker 2 and a civil socket are arranged in the box body bottom shell 13, an operation window 15 for conveniently operating the devices in the box body bottom shell 13 is correspondingly arranged on the box body cover 14, and specifically, the operation window 15 is a 12-position operation folding window; a quick wiring terminal 12 for facilitating wiring of workers is further arranged in the bottom case 13 of the box body, jump connection is made in advance according to functional requirements in the production process, operation on a circuit breaker is not needed when wiring is led out, and diversified connection can be achieved only by easily connecting a corresponding cable to the corresponding quick wiring terminal 12 according to an identifier; be provided with mechanical interlocking socket 8 and industrial socket 7 on box lid 14, circuit breaker 3 that is qualified for next round of competitions is connected with inlet wire circuit breaker 1 electricity, inlet wire circuit breaker 1 respectively with first circuit breaker 4, second circuit breaker 2 and mechanical interlocking socket 8 electricity are connected, first circuit breaker 4 is connected with civilian socket electricity, second circuit breaker 2 is connected with industrial socket 7 electricity, the lower extreme of box drain pan 13 is provided with breather valve 10 and business turn over line glan 11, one side of box drain pan 13 is provided with the through wires hole that is used for making up a plurality of block terminals and splices.
Specifically, the industrial socket 7 is a 220V industrial socket 7, the mechanical interlocking socket 8 is a 380V mechanical interlocking socket 8, the civil socket comprises a three-hole socket 5 and a two-hole socket 6, the socket types are multiple, the socket types can be freely selected, and the applicability is stronger.
Sealing elements are arranged between the box body bottom shell 13 and the box body cover 14, between the operation window 15 and the box body cover 14, between the breather valve 10 and the box body bottom shell 13, between the inlet and outlet wire glan 11 and the box body bottom shell 13, between the mechanical interlocking socket 8 and the box body cover 14, and between the industrial socket 7 and the box body cover 14, and are sealed through the sealing elements; threading hole department also seals up, strengthens sealing performance, and this maintenance block terminal has IP67 protection level, makes the maintenance block terminal power consumption safer under adverse circumstances, prevents effectively that water and dust from to the damage of component, improves the life of component, can be applicable to adverse circumstances such as outdoor, moist basement, high dust concentration environment, each job site and solution cavity of various weather.
A guide rail 19 is fixed in the bottom case 13 of the box body, and specifically, the guide rail 19 is fixed in the bottom case 13 of the box body through a fixing piece 18; the incoming line circuit breaker 1, the outgoing line circuit breaker 3, the first circuit breaker 4, the second circuit breaker 2 and the civil socket are all fixed on the guide rail 19.
It should be noted that: the device in box drain pan 13 can be according to actual need independent assortment, and this maintenance block terminal carries out combination formula modularized design to inside electric circuit, and every return circuit all adopts current standard product to assemble, raises the efficiency, convenient maintenance.
One side in the box drain pan 13 is fixed with interior hinge 16, and box lid 14 can dismantle with box drain pan 13 through interior hinge 16 and be connected, and interior hinge 16 can install the left side or the right side in box drain pan 13 according to the user's demand, and through installing interior hinge 16, accessible is adjusted interior hinge 16 when opening box lid 14 and is stretched out and drawn back the clearance between regulation box lid 14 and box drain pan 13 to increased the space of maintenance wiring, be convenient for workman's maintenance operation and maintenance more.
The edge of the box bottom shell 13 is uniformly provided with a plurality of threaded holes, the box cover 14 is in threaded connection with the box bottom shell 13 through bolts 20, and although the inner hinge 16 is arranged, the box cover can be fixed through the bolts 20, so that the box bottom shell can meet the requirements of various places and is high in flexibility.
Be provided with the LED display screen 17 that is used for observing socket circular telegram situation on the mechanical interlocking socket 8, LED display screen 17 shows that IN and OUT, IN represent the inlet wire, OUT represents the output, and the display lamp is bright to represent and has electric, and the display lamp goes OUT to represent and does not have electric, can be more audio-visual to observe socket circular telegram state through LED display screen 17.
The four corners of the bottom of the box bottom shell 13 are provided with mounting lugs 9, and the maintenance distribution box can be fixedly mounted through the mounting lugs 9.
The bottom case 13 and the cover 14 are made of glass fiber reinforced polycarbonate.
It should be noted that: the traditional metal overhaul distribution box is provided with a shell grounding wire, but whether the grounding wire can be reliable all the time cannot be guaranteed. No matter what kind of reason, under the condition that the false contact or disconnection take place at the shell earth connection, overhaul the electrified wire touching in the block terminal to the metal and overhaul the block terminal shell, still can cause the power consumption to reveal and operating personnel risk of electrocuting, for this reason, this overhaul the box drain pan 13 and the box lid 14 of block terminal all adopt glass fiber reinforcement polycarbonate material to make, this material has characteristics such as all insulation, ultraviolet resistance, ageing resistance, fire-retardant V0, consequently make the power consumption safe and reliable more.
The sealing element is made of flame-retardant silica gel, and has the characteristics of ageing resistance, flame retardance V0 and good sealing property.
It can be understood that: each operation component (such as a 12-bit operation folding window, a 220V industrial socket 7 and a 380V mechanical interlocking socket 8) of the overhaul distribution box is provided with a selectable padlock reservation, any operation position can be locked according to requirements, illegal operation is prevented, and operation safety is further ensured.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should 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 in the embodiments of the present application.

Claims (10)

1. The utility model provides a modular convenient maintenance block terminal which characterized in that includes: a box body cover and a box body bottom shell;
the box body cover is detachably connected with the box body bottom shell;
an incoming line breaker, an outgoing line breaker, a first breaker, a second breaker and a civil socket are arranged in the bottom shell of the box body;
the box body cover is correspondingly provided with an operation window for conveniently operating the devices in the bottom shell of the box body;
a quick wiring terminal for facilitating wiring of workers is further arranged in the bottom shell of the box body;
the box body cover is provided with a mechanical interlocking socket and an industrial socket;
the outgoing line breaker is electrically connected with the incoming line breaker;
the incoming line circuit breaker is electrically connected with the first circuit breaker, the second circuit breaker and the mechanical interlocking socket respectively;
the first circuit breaker is electrically connected with the civil socket;
the second circuit breaker is electrically connected with the industrial socket;
the lower end of the bottom shell of the box body is provided with a breather valve and an inlet and outlet wire Glan;
one side of box drain pan is provided with the through wires hole that is used for the combination concatenation of a plurality of block terminals.
2. The combined convenient-to-overhaul distribution box of claim 1, wherein sealing members are disposed between the box bottom case and the box cover, between the operation window and the box cover, between the breather valve and the box bottom case, between the access wire glan and the box bottom case, between the mechanical interlocking socket and the box cover, and between the industrial socket and the box cover.
3. The combined convenient-to-overhaul distribution box according to claim 1, wherein a guide rail is fixed in a bottom shell of the box body;
the incoming line circuit breaker, the outgoing line circuit breaker, the first circuit breaker, the second circuit breaker and the civil socket are all fixed on the guide rail.
4. The combined convenient and fast maintenance distribution box according to claim 1, wherein an inner hinge is fixed on one side in the bottom shell of the box body, and the box body cover is detachably connected with the bottom shell of the box body through the inner hinge.
5. The combined convenient and fast overhauling distribution box according to claim 1, wherein a plurality of threaded holes are uniformly formed in the edge of the bottom shell of the box body;
the box body cover is in threaded connection with the box body bottom shell through bolts.
6. The combined convenient-to-overhaul power distribution box according to claim 1, wherein an LED display screen for observing the power-on condition of the socket is arranged on the mechanical interlocking socket.
7. The modular easy access power distribution box of claim 1, wherein said residential outlets comprise a three-hole outlet and a two-hole outlet.
8. The combined convenient and fast overhauling distribution box according to claim 1, wherein four corners of the bottom shell of the box body are provided with mounting lugs for mounting and fixing.
9. The combined convenient-to-overhaul distribution box of claim 1, wherein the bottom case and the cover are both made of glass fiber reinforced polycarbonate.
10. The combined convenient and fast maintenance distribution box according to claim 2, wherein the sealing element is made of flame-retardant silica gel.
CN202010065284.8A 2020-01-20 2020-01-20 Modular convenient block terminal that overhauls Pending CN111162466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010065284.8A CN111162466A (en) 2020-01-20 2020-01-20 Modular convenient block terminal that overhauls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010065284.8A CN111162466A (en) 2020-01-20 2020-01-20 Modular convenient block terminal that overhauls

Publications (1)

Publication Number Publication Date
CN111162466A true CN111162466A (en) 2020-05-15

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Application Number Title Priority Date Filing Date
CN202010065284.8A Pending CN111162466A (en) 2020-01-20 2020-01-20 Modular convenient block terminal that overhauls

Country Status (1)

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CN (1) CN111162466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112564103A (en) * 2020-12-10 2021-03-26 西安航天动力研究所 Outdoor portable power supply and distribution equipment of target field emission

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202444183U (en) * 2012-02-29 2012-09-19 李霞 Stepped maintenance power box
CN104505742A (en) * 2014-12-26 2015-04-08 黑默(天津)电气工程系统有限公司 Distribution box
CN205377097U (en) * 2016-01-22 2016-07-06 杭州余丰协仪器仪表有限公司 Overhaul power supply box
CN206149016U (en) * 2016-08-31 2017-05-03 安徽华电工程咨询设计有限公司 Novel maintenance power supply box suitable for outdoor AIS transformer substation of 110kV
CN206211363U (en) * 2016-12-07 2017-05-31 大唐环境产业集团股份有限公司 A kind of safety inspection case containing multiple voltage grade
CN206947797U (en) * 2017-08-02 2018-01-30 华润电力(海丰)有限公司 A kind of Novel maintenance power box for power plant

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202444183U (en) * 2012-02-29 2012-09-19 李霞 Stepped maintenance power box
CN104505742A (en) * 2014-12-26 2015-04-08 黑默(天津)电气工程系统有限公司 Distribution box
CN205377097U (en) * 2016-01-22 2016-07-06 杭州余丰协仪器仪表有限公司 Overhaul power supply box
CN206149016U (en) * 2016-08-31 2017-05-03 安徽华电工程咨询设计有限公司 Novel maintenance power supply box suitable for outdoor AIS transformer substation of 110kV
CN206211363U (en) * 2016-12-07 2017-05-31 大唐环境产业集团股份有限公司 A kind of safety inspection case containing multiple voltage grade
CN206947797U (en) * 2017-08-02 2018-01-30 华润电力(海丰)有限公司 A kind of Novel maintenance power box for power plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112564103A (en) * 2020-12-10 2021-03-26 西安航天动力研究所 Outdoor portable power supply and distribution equipment of target field emission

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Application publication date: 20200515

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