CN107863751A - The method for preventing distribution box from leaking electricity - Google Patents

The method for preventing distribution box from leaking electricity Download PDF

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Publication number
CN107863751A
CN107863751A CN201711219411.XA CN201711219411A CN107863751A CN 107863751 A CN107863751 A CN 107863751A CN 201711219411 A CN201711219411 A CN 201711219411A CN 107863751 A CN107863751 A CN 107863751A
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CN
China
Prior art keywords
clamper
cap
master
distribution box
motor
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.)
Granted
Application number
CN201711219411.XA
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Chinese (zh)
Other versions
CN107863751B (en
Inventor
邱红光
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.)
Guangdong Zhixin Electric Co ltd
Original Assignee
Ningbo Eaton Electric Power Technology 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 Ningbo Eaton Electric Power Technology Co Ltd filed Critical Ningbo Eaton Electric Power Technology Co Ltd
Priority to CN201711219411.XA priority Critical patent/CN107863751B/en
Publication of CN107863751A publication Critical patent/CN107863751A/en
Application granted granted Critical
Publication of CN107863751B publication Critical patent/CN107863751B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/26Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present patent application discloses a kind of method for preventing distribution box from leaking electricity, and is related to power control technology field, comprises the following steps:S1, detection of electrical leakage module detect that distribution box leaks electricity;S2, start motor and clamper;S3, motor driven freewheel clutch rotate;S4, freewheel clutch, which rotates, causes cap to be constantly turned out;S5, cap, which is opened, drives clamper movement;S6, master on off is pulled to close master on off when clamper moves;S7, the clamper touch fire extinguishing switch when pulling master on off.This programme solves the technical problem that distribution box of the prior art is hurted sb.'s feelings in electric leakage mistiming, suitable for resident's distribution.

Description

The method for preventing distribution box from leaking electricity
Technical field
The present invention relates to power control technology field, more particularly to a kind of method for preventing distribution box from leaking electricity.
Background technology
Distribution box is that switchgear, measuring instrumentss, protection electrical equipment and auxiliary equipment are assembled in into envelope by electrical wiring requirement Close or semiclosed metal safe in or screen width on, form low-voltage distribution equipment.It can be connect during normal operation by manual or automatic switch Logical or disjunction circuit.By protection electrical equipment cut-out circuit or alarm when failure or irregular operating.Fortune can be shown by means of measuring instrumentss Various parameters in row, some electric parameters can be also adjusted, letter is prompted or sent to deviateing normal operating conditions Number.It is usually used in each sending out, matching somebody with somebody, in electric substation.
And demand due to distribution box during the upgrading of rural power grids is huge, the construction time is short so that workpeople is in transformation Accelerating The Construction speed and build lack of standardization, cause the insufficiency of distribution box, such distribution box easily causes security incident, Wherein electric leakage is a kind of relatively conventional potential safety hazard, and the electric current after electric leakage in distribution box, which may directly punch air, makes close match somebody with somebody The people of electronic box is injured, or triggers fire.In order to prevent fire from needing emergency power off after distribution box electric leakage, but distribution Case is likely to be at personnel can not close state safely.
The method for preventing electric leakage in the prior art is ground wire, but the ground wire connected may be because aging or installation The leaky not in place for causing distribution box is not resolved, and the cost for reexamining ground wire is too big.
The content of the invention
The invention is intended to provide a kind of method for preventing distribution box from leaking electricity, to solve the skill of distribution box electric leakage in the prior art Art problem.
The method for preventing distribution box electric leakage in this programme, realize, the device includes by following device:
Including electronic box shell, master on off, clamper and earth leakage protective device, wherein electronic box shell include housing, cap, rotation Axle, the rotary shaft is on housing, and on the rotating shaft, cap can be covered on housing, and master on off is in housing for the cap connection Interior, clamper is hinged on cap close to the side of master on off, and the clamper is turning in holding state for earth leakage protective device On moving axis;
The earth leakage protective device includes, motor, freewheel clutch, detection of electrical leakage module and carbon-dioxide fire engine module, Motor connection is on freewheel clutch, and on the rotating shaft, detection of electrical leakage module is on cap, institute for the motor and freewheel clutch The circuit for stating detection of electrical leakage module is connected with diode, motor, clamper and switch, and the carbon-dioxide fire engine module includes going out Fire switch and fire-suppression bottle, the fire-suppression bottle are arranged on the bottom of distribution box, and the fire extinguishing switch is arranged on the inside of master on off;
Comprise the following steps:
S1, detection of electrical leakage module detect that distribution box leaks electricity;
S2, electric motor starting, clamper clamp master on off;
S3, motor driven freewheel clutch rotate;
S4, freewheel clutch, which rotates, causes cap to be constantly turned out;
S5, cap, which is opened, drives clamper movement;
S6, master on off is pulled to close master on off when clamper moves;
S7, the clamper touch fire extinguishing switch when pulling master on off;
S8, carbon-dioxide fire engine module are opened.
When detection of electrical leakage module detects electric leakage, motor and clamper are powered and started, and motor driven freewheel clutch turns Dynamic, freewheel clutch, which rotates, causes cap to be constantly turned out, and is gradually opened cap, and cap, which is opened, drives clamper movement, The master on off that clamper is clasped when moving by clamper is closed, and reaches the purpose of power-off protection, while clamper is also pressed Fire extinguishing switch, the electric spark for further avoiding spilling out of distribution box cause fire, and the cap having already turned on facilitates staff Maintenance, electronic box shell is no longer powered after clamper leaves behind master on off, and motor is stopped, and clamper leaves master on off.
Motor, which is set, can rotate on the rotating shaft motor rotational band turn moving axis, promote cap to open;By motor It is connected with freewheel clutch and avoids cap from persistently being deformed by the power that motor provides;Clamper is hinged on one close to master on off Side is left behind master on off when clamper is moved with the opening of cap;To put out a fire, switch is old to cause folder on master on off Holder can also press fire extinguishing switch while master on off is left behind.
After opening the switch on earth leakage protective device, when cap is powered, circuit communication, motor and controller start, control Device processed sends closure signal to clamper, and clamper clamps master on off, while motor driven is arranged on the overdrive clutch on motor Device rotates, the power being turned out to cap of freewheel clutch interruption, the electricity when cap opening drive clamper leaves behind master on off Machine powers off so that freewheel clutch stops operating.
The cooperation of motor and the clamper that is arranged on cap on of this programme by setting on the rotating shaft, distribution box are leaking When electric, housing is powered, the circuit communication of detection of electrical leakage module so that motor and clamper start, and clamper, which starts, clasps total electricity Lock, electric motor starting drive freewheel clutch to rotate, and freewheel clutch interval applies the power being turned out to cap so that cap To open, clamper moves out together with cap, so as to drive the master on off being fastened to close, distribution box power-off, wherein two When what pole pipe make it that detection of electrical leakage module is connected to is alternating current electronic box shell will not be made powered, no longer powered on electronic box shell, motor Powered off with clamper, motor stops that freewheel clutch is stopped operating, and clamper, which powers off, causes gripper return to unclamp total electricity Lock, solves the technical problem that distribution box of the prior art is hurted sb.'s feelings in electric leakage mistiming.
Further, the clamper in step S2 includes No.1 clamping pin, No. two clamping pin, No.1 torsion spring, actuating arms and two Number torsion spring, No.1 torsion spring is provided between the No.1 clamping pin and No. two clamping pin, No.1 clamping pin and No. two clamp pin can The circle of one closing of composition, actuating arm connection No.1 clamping pin, No. two clamping pin and cap, the position that actuating arm connects with cap Provided with No. two torsion springs.When clamper is powered, actuating arm, which closes up, drives No.1 clamping pin and No. two clamping pin to close up to form one The circle of closing, so as to clamp master on off, when clamper no power, No.1 clamping pin and No. two clamping pin are in No.1 torsion spring Effect is lower to be separated so that clamper unclamps master on off, and when clamper is displaced outwardly with cap, clamper follows master on off one Rise and rotate down, lifted again in the presence of No. two torsion springs when clamper leaves master on off, when keeping opening with master on off Sustained height.
Further, detection of electrical leakage module is also in series with siren in step S1, and the siren is arranged on diode and hair Between motor.Setting can be such that people are ready before power-off after alarm, avoid caused by electrical equipment closes by force because of power-off Loss.
Further, detection of electrical leakage module is provided with time-delay mechanism between siren and generator in step S1.Compared to not having The scheme for setting time-delay mechanism to alarm again, this programme can give people more times.
Further, the manner of cap is suction buckle in step S4.Knocker compared to hand can more coordinate overdrive clutch Device opens cap.
Further, the material of the electronic box shell for the distribution box that detection of electrical leakage module detects is energization material in step S1.With Electronic box leak electricity when, compared to electronic box shell this programme made of insulating materials electronic box shell be more prone to enough electric currents make motor and Clamper is powered.
Brief description of the drawings
The three-dimensional signal that Fig. 1 is the cap of the embodiment of the earth leakage protective distribution box of the present invention and clamper is opening Figure;
Fig. 2 is to be clamped under hiding cap and housing the cap closure state of the embodiment of the earth leakage protective distribution box of the present invention Device clasps master on off schematic perspective view;
Fig. 3 is to be clamped under hiding cap and housing the cap opening of the embodiment of the earth leakage protective distribution box of the present invention Device clasps master on off schematic perspective view;
Fig. 4 clasps master on off for the cap opening lower gripper of the embodiment of the earth leakage protective distribution box of the present invention and stood Body schematic diagram;
Fig. 5 is the schematic perspective view of the hiding housing and master on off of the embodiment of the earth leakage protective distribution box of the present invention;
Fig. 6 is the circuit diagram of the detection of electrical leakage module of the embodiment of the earth leakage protective distribution box of the present invention.
Embodiment
Below by the further details of explanation of embodiment:
Reference in Figure of description includes:Housing 1, cap 2, rotary shaft 3, freewheel clutch 4, motor 5, clamping Device 6, master on off 7, diode 8, switch 9, No.1 clamping pin 10, No. two clamping pin 11, No.1 torsion spring 12, actuating arms 13, two Torsion spring 14, snap-in latch 15, siren 16, fire extinguishing switch 17.
Embodiment is basic as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4:
Prevent the method that distribution box leaks electricity from being realized by following device in the present embodiment, including electronic box shell, master on off 7, folder Holder 6 and earth leakage protective device, wherein electronic box shell include housing 1, cap 2, rotary shaft 3, and the material of the electronic box shell is energization Material, snap-in latch 15 is provided between housing 1 and cap 2, for the rotary shaft 3 on housing 1, the cap 2 is connected to rotation On axle 3, cap 2 can be covered on housing 1, and for master on off 7 in housing 1, clamper 6 is hinged on cap 2 close to the one of master on off 7 Side, the clamper 6 are earth leakage protective device in holding state in rotary shaft 3;
The earth leakage protective device includes, motor 5, freewheel clutch 4, detection of electrical leakage module and carbon-dioxide fire engine mould Block, motor 5 is Nanoelectromechanical 5 in the present embodiment, and the freewheel clutch 4 in the present embodiment is roller-type overrunning clutch 4, motor 5 are connected on freewheel clutch 4, the motor 5 and freewheel clutch 4 in rotary shaft 3, detection of electrical leakage module on cap 2, The carbon-dioxide fire engine module includes fire extinguishing switch 17 and fire-suppression bottle, and the fire-suppression bottle is arranged on the bottom of distribution box, described Fire extinguishing switch 17 is arranged on the inner side of master on off 7, as shown in Figure 6, the circuit of the detection of electrical leakage module be connected with diode 8, Motor 5, clamper 6, switch 9 and siren 16, the siren 16 in the present embodiment are loudspeaker siren 16, detection of electrical leakage module Time-delay mechanism, the electric capacity for being 100uF in the present embodiment are additionally provided between siren 16 and generator.
As shown in Figure 5, the clamper 6 includes No.1 clamping pin 10, No. two clamping pin 11, No.1 torsion spring 12, drivings Arm 13 and No. two torsion springs 14, No.1 torsion spring 12, No.1 clamping pin are provided between the No.1 clamping pin 10 and No. two clamping pin 11 10 and No. two clamping pin 11 can make up the circle of a closing, actuating arm 13 connects the No.1 clamping clamping pin 11 of pin 10, two and The position that cap 2, actuating arm 13 and cap 2 connect is provided with No. two torsion springs 14.
Comprise the following steps:
S1, detection of electrical leakage module detect that distribution box leaks electricity;
S2, start clamper 6 and clamp master on off 7;
S3, motor 5 drive freewheel clutch 4 to rotate;
S4, freewheel clutch 4, which rotates, causes cap 2 to be constantly turned out;
S5, cap 2, which is opened, drives clamper 6 to move;
S6, master on off 7 is pulled to close master on off 7 when clamper 5 moves;
S7, the clamper touch fire extinguishing switch when pulling master on off;
S8, carbon-dioxide fire engine module are opened.
When detection of electrical leakage module detects electric leakage, motor 5 and clamper 6 are powered and started, and motor 5 drives freewheel clutch 4 rotate, and freewheel clutch 4, which rotates, causes cap 2 to be constantly turned out, and is gradually opened cap 2, and cap 2, which is opened, drives clamping Device 6 is moved, and clamper 6 is closed when moving by the master on off 7 that clamper 6 clasps, and is reached the purpose of power-off protection, is clamped simultaneously Device 6 also presses fire extinguishing switch 17, and the electric spark for further avoiding spilling out of distribution box causes fire, the cap having already turned on 2 facilitate staff to overhaul, and electronic box shell is no longer powered after clamper 6 leaves behind master on off 7, and motor 5 is stopped, clamper 6 Leave master on off 7.
Motor 5, which is arranged in rotary shaft 3, can rotate the rotational band turn moving axis 3 of motor 5, promote cap 2 to open;Will Motor 5 is connected with freewheel clutch 4 avoids cap 2 from persistently being deformed by the power that motor 5 provides;Clamper 6 is hinged on close The side of master on off 7 is left behind master on off 7 when clamper 6 is moved with the opening of cap 2.
After opening the switch 9 on earth leakage protective device, when cap 2 is powered, circuit communication, motor 5 and controller start, Controller sends closure signal to clamper 6, and clamper 6 clamps master on off 7, while motor 5 drives and is arranged on surpassing on motor 5 More clutch 4 rotates, and the power being turned out to cap 2 that freewheel clutch 4 is interrupted, is opened when cap 2 and drives clamper 6 to leave behind Motor 5 powers off during master on off 7 so that freewheel clutch 4 stops operating.
When clamper 6 is powered, actuating arm 13, which closes up, drives No.1 clamping pin 10 and No. two clamping pin 11 to close up to form one The circle of individual closing, so as to clamp master on off 7, when 6 no power of clamper, No.1 clamping pin 10 and No. two clamping pin 11 are one Being separated in the presence of number torsion spring 12 so that clamper 6 unclamps master on off 7, when clamper 6 is displaced outwardly with cap 2, clamping Device 6 follows master on off 7 to rotate downwardly together, is lifted again in the presence of No. two torsion springs 14 when clamper 6 leaves master on off 7 Rise, sustained height when keeping opening with master on off 7.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date Ordinary technical knowledge, prior art all in the field can be known, and with using normal experiment hand before the date The ability of section, one skilled in the art can improve and implement under the enlightenment that the application provides with reference to self-ability This programme, some typical known features or known method should not implement the application as one skilled in the art Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, it can also make Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention Fruit and practical applicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification The records such as body embodiment can be used for the content for explaining claim.

Claims (6)

1. the method for preventing distribution box from leaking electricity, it is characterised in that realized by following device, the device includes:
Including electronic box shell, master on off, clamper and earth leakage protective device, wherein electronic box shell include housing, cap, rotary shaft, institute State rotary shaft to be connected on housing, on the rotating shaft, cap can be covered on housing, and master on off is in housing for the cap connection Interior, clamper is hinged on cap close to the side of master on off, and the clamper is turning in holding state for earth leakage protective device On moving axis;
The earth leakage protective device includes, motor, freewheel clutch, detection of electrical leakage module and carbon-dioxide fire engine module, motor It is connected on freewheel clutch, on the rotating shaft, detection of electrical leakage module is on cap, the leakage for the motor and freewheel clutch The circuit of electro-detection module is connected with diode, motor, clamper and switch, and the carbon-dioxide fire engine module is opened including fire extinguishing Close and fire-suppression bottle, the fire-suppression bottle are arranged on the bottom of distribution box, the fire extinguishing switch is arranged on the inside of master on off;
Comprise the following steps:
S1, detection of electrical leakage module detect that distribution box leaks electricity;
S2, electric motor starting, clamper clamp master on off;
S3, motor driven freewheel clutch rotate;
S4, freewheel clutch, which rotates, causes cap to be constantly turned out;
S5, cap, which is opened, drives clamper movement;
S6, master on off is pulled to close master on off when clamper moves;
S7, the clamper touch fire extinguishing switch when pulling master on off;
S8, carbon-dioxide fire engine module are opened.
2. the method according to claim 1 for preventing distribution box from leaking electricity, it is characterised in that:Clamper in step S2 includes No.1 clamping pin, No. two clamping pin, No.1 torsion spring, actuating arm and No. two torsion springs, the No.1 clamping pin and No. two clamping pin it Between be provided with No.1 torsion spring, No.1 clamping pin can make up the circle of a closing with No. two clamping pin, and actuating arm connection No.1 clamps Pin, No. two clamping pin and cap, the position that actuating arm connects with cap are provided with No. two torsion springs.
3. the method according to claim 1 for preventing distribution box from leaking electricity, it is characterised in that:Detection of electrical leakage module in step S1 Siren is also in series with, the siren is between diode and generator.
4. the method according to claim 3 for preventing distribution box from leaking electricity, it is characterised in that:Detection of electrical leakage module in step S1 Time-delay mechanism is provided between siren and generator.
5. the method according to claim 1 for preventing distribution box from leaking electricity, it is characterised in that:The fastening side of cap in step S4 Formula is suction buckle.
6. the method according to claim 1 for preventing distribution box from leaking electricity, it is characterised in that:Detection of electrical leakage module in step S1 The material of the electronic box shell of the distribution box of detection is energization material.
CN201711219411.XA 2017-11-28 2017-11-28 The method for preventing distribution box from leaking electricity Active CN107863751B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711219411.XA CN107863751B (en) 2017-11-28 2017-11-28 The method for preventing distribution box from leaking electricity

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Application Number Priority Date Filing Date Title
CN201711219411.XA CN107863751B (en) 2017-11-28 2017-11-28 The method for preventing distribution box from leaking electricity

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CN107863751A true CN107863751A (en) 2018-03-30
CN107863751B CN107863751B (en) 2019-03-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829227A (en) * 2019-11-24 2020-02-21 安徽明坤电器设备有限公司 Household distribution box convenient to maintain and using method thereof
CN113034830A (en) * 2021-03-05 2021-06-25 浙江万里扬能源科技股份有限公司 Linkage device for thermal power energy storage combined frequency modulation fire alarm

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120011210A (en) * 2010-07-28 2012-02-07 박정례 Control Box
KR101284634B1 (en) * 2013-06-11 2013-07-10 주식회사 동양이엔씨 Digital control device and building control system for error recovery
CN205595652U (en) * 2016-05-06 2016-09-21 国网山东省电力公司德州供电公司 Protection against electric shock block terminal
CN205846496U (en) * 2016-08-01 2016-12-28 陕西奥源电器设备制造有限公司 A kind of hinge type distribution box with warning function
CN205985767U (en) * 2016-05-24 2017-02-22 北京京润海自动化技术研究所 Block terminal with fire control function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120011210A (en) * 2010-07-28 2012-02-07 박정례 Control Box
KR101284634B1 (en) * 2013-06-11 2013-07-10 주식회사 동양이엔씨 Digital control device and building control system for error recovery
CN205595652U (en) * 2016-05-06 2016-09-21 国网山东省电力公司德州供电公司 Protection against electric shock block terminal
CN205985767U (en) * 2016-05-24 2017-02-22 北京京润海自动化技术研究所 Block terminal with fire control function
CN205846496U (en) * 2016-08-01 2016-12-28 陕西奥源电器设备制造有限公司 A kind of hinge type distribution box with warning function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110829227A (en) * 2019-11-24 2020-02-21 安徽明坤电器设备有限公司 Household distribution box convenient to maintain and using method thereof
CN113034830A (en) * 2021-03-05 2021-06-25 浙江万里扬能源科技股份有限公司 Linkage device for thermal power energy storage combined frequency modulation fire alarm

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Effective date of registration: 20230825

Address after: Building 2, No. 91 Nange East Road, Daojiao Town, Dongguan City, Guangdong Province, 523170

Patentee after: GUANGDONG ZHIXIN ELECTRIC Co.,Ltd.

Address before: Room 403, auxiliary building, Chuangye building, 66 academician Road, high tech Zone, Ningbo, Zhejiang 315000

Patentee before: NINGBO EATON POWER TECHNOLOGY CO.,LTD.

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