CN108199266A - A kind of multi-functional anti-not dynamic electrical cabinet - Google Patents

A kind of multi-functional anti-not dynamic electrical cabinet Download PDF

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Publication number
CN108199266A
CN108199266A CN201810082094.XA CN201810082094A CN108199266A CN 108199266 A CN108199266 A CN 108199266A CN 201810082094 A CN201810082094 A CN 201810082094A CN 108199266 A CN108199266 A CN 108199266A
Authority
CN
China
Prior art keywords
electrical cabinet
resistance
triode
ontology
functional anti
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
CN201810082094.XA
Other languages
Chinese (zh)
Inventor
王利
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.)
Shandong Bo Intelligent Technology Co Ltd
Original Assignee
Shandong Bo Intelligent 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 Shandong Bo Intelligent Technology Co Ltd filed Critical Shandong Bo Intelligent Technology Co Ltd
Priority to CN201810082094.XA priority Critical patent/CN108199266A/en
Publication of CN108199266A publication Critical patent/CN108199266A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • 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
    • H02B1/24Circuit arrangements for boards or switchyards
    • 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
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • 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
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows
    • 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
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting 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
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/38Hinged covers or doors
    • 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
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention discloses a kind of multi-functional anti-not dynamic electrical cabinets,Including electrical cabinet ontology,Cabinet door,Pedestal,Canopy and exhaust fan,Cabinet door is arranged on by hinge on electrical cabinet ontology,The outer surface of cabinet door is provided with Fingerprint Lock,Observation panel and indicator light,The inner surface of cabinet door is provided with headlamp,Canopy is fixed by the bracket in the upper end of electrical cabinet ontology,The back side of electrical cabinet ontology is provided with exhausting window and exhaust fan,Pedestal is arranged on the lower end of electrical cabinet ontology,The lower end of pedestal is provided with idler wheel,The multi-functional anti-dynamic electrical cabinet of the present invention has the function of waterproof fireproofing and anti-scratch,Avoid the security risk caused by extreme misery,Unlocked by fingerprint more safe ready,The openings such as people without fixed duties is effectively prevent to destroy electric wiring,The design has the function of automatic illuminating and intelligent lighting controls simultaneously,It is convenient for people to use electrical cabinet at night,Perfect heat-dissipating,And electrical cabinet is easy to remove and fixed,Reduce the labor intensity of staff when carrying.

Description

A kind of multi-functional anti-not dynamic electrical cabinet
Technical field
The present invention relates to a kind of electrical cabinet, specifically a kind of multi-functional anti-not dynamic electrical cabinet.
Background technology
In power infrastructures field, electrical cabinet is common device, is substantially in by one mainly for current electrical cabinet The metal shell of cuboid is formed.But many electrical cabinets often occur electrical outdoors in use, because of its complicated ground environment The problem of cabinet inconvenience is steadily placed, and electrical cabinet is heavier, is not easy to move;Electrical cabinet is used to implement the peace of electric control appliance Dress, traditional electrical cabinet equipment drain function, fire-proof function are very poor, are easy for penetrating into cabinet in rainy weather rainwater Portion easily damages, and once internal or external generation Mars, electrical cabinet are not prevented fires internal electric control appliance It is difficult to protect internal electric control appliance, Electrical Safety cannot ensure;In addition the heat dissipation performance of electrical cabinet is also very heavy Will, when easily causing safety problem when the temperature is excessively high in electrical cabinet;Staff is easy in conventional operational by electrical cabinet Scratch, so need that a kind of safeguard measure is taken to protect staff, while existing electrical cabinet used at night and Worker's self illumination device is needed during investigation, there are big inconveniences in concrete operations.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of multi-functional anti-not dynamic electrical cabinet Problem.
To achieve the above object, the present invention provides following technical solution:
A kind of multi-functional anti-not dynamic electrical cabinet, including electrical cabinet ontology, cabinet door, pedestal, canopy and exhaust fan, the cabinet door passes through Hinge is arranged on electrical cabinet ontology, and the lower part of hinge is equipped with reed switch, and Fingerprint Lock is provided in the outer surface of cabinet door, is seen Cha Kou and indicator light are provided with headlamp and lighting controller in the inner surface of cabinet door, and the canopy is fixed by the bracket in electricity The upper end of gas holder ontology is provided with exhausting window and exhaust fan at the back side of electrical cabinet ontology, and in the interior subordinate of electrical cabinet ontology End is provided with ash collecting box, and ash collecting box is extended to the outer end of electrical cabinet ontology, and connects dust bucket, and the pedestal is arranged on electrically The lower end of cabinet ontology is provided with idler wheel in the lower end of pedestal, and is provided at both ends with fixed seat, fixed seat connection positioning spiral shell in pedestal Bar, is provided with plastic framing strip on the shell of electrical cabinet ontology, and the reed switch, headlamp, indicator light are and Lighting control Device is connected.
As further embodiment of the present invention:The lighting controller include resistance R1, triode V1, potentiometer RP1 and Unidirectional thyristor Q1, described, one end connection power supply VCC of resistance R1, resistance R5, resistance R6, the collector of triode V1, three poles The collector of pipe V2 and headlamp H, collector, reed switch K and the triode V1 of the other end connecting triode V3 of resistance R1 Base stage, the other end connection capacitance C1 of reed switch K, the cathode of diode D1, resistance R3, potentiometer RP1, triode V3 The cathode of emitter and unidirectional thyristor Q1, the emitter connection capacitance C1 and resistance R2 of triode V1, the other end of resistance R2 The base stage of connecting triode V2, the other end and resistance R4 of the emitter connection resistance R3 of triode V2, the other end of resistance R4 Connect the control pole of unidirectional thyristor Q1, the other end of the anode connection headlamp H of unidirectional thyristor Q1, the other end of resistance R6 Connect the anode of diode D1, the other end of base stage connection resistance R5 of triode V3 and the other end of potentiometer RP1.
As further embodiment of the present invention:The model LM7812 of the chip IC 1.
As further embodiment of the present invention:The diode D1 is light emitting diode.
As further embodiment of the present invention:The exhausting window is arranged on the upper end position of exhaust fan.
As further scheme of the invention:The dust bucket lower end is provided with dust export.
As further scheme of the invention:The headlamp is set as LED light.
Compared with prior art, the beneficial effects of the invention are as follows:
The multi-functional anti-dynamic electrical cabinet of the present invention has the function of waterproof fireproofing and anti-scratch, avoids hidden safely caused by extreme misery Suffer from, unlocked by fingerprint more safe ready, the openings such as people without fixed duties is effectively prevent to destroy electric wiring, while the design has automatic shine The functions of bright and intelligent lighting controls, be convenient for people to night using electrical cabinet, perfect heat-dissipating, and electrical cabinet it is easy to remove and It is fixed, reduce the labor intensity of staff when carrying.
Description of the drawings
Fig. 1 is the structure diagram of multi-functional anti-not dynamic electrical cabinet.
Fig. 2 is the structure diagram that multi-functional anti-not dynamic electrical cabinet opens cabinet door.
Fig. 3 is the circuit diagram of lighting controller.
In figure:1- electrical cabinets ontology, 2- cabinet doors, 3- Fingerprint Locks, 4- observation panels, 5- indicator lights, 6- hinges, 7- pedestals, 8- Idler wheel, 9- fixed seats, 10- positioning screws, 11- dusts bucket, 12- canopys, 13- stents, 14- plastic framing strips, 15- headlamps, 16- Exhausting window, 17- exhaust fans, 18- ash collecting box, 19- reed switch, 20- lighting controllers.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the embodiment of the present invention, it is a kind of it is multi-functional it is anti-do not move electrical cabinet, including electrical cabinet ontology 1, cabinet Door 2, pedestal 7, canopy 12 and exhaust fan 17, the cabinet door 2 are arranged on by hinge 6 on electrical cabinet ontology 1, the lower part of hinge 6 Reed switch 19 is installed, Fingerprint Lock 3, observation panel 4 and indicator light 5 are provided in the outer surface of cabinet door 2, in the interior table of cabinet door 2 Face is provided with headlamp 15 and lighting controller 20, and the canopy 12 is fixed on the upper end of electrical cabinet ontology 1 by stent 13, The back side of electrical cabinet ontology 1 is provided with exhausting window 16 and exhaust fan 17, and the interior lower end of electrical cabinet ontology 1 is provided with collection ash Box 18, ash collecting box 18 are extended to the outer end of electrical cabinet ontology 1, and connect dust bucket 11, and the pedestal 7 is arranged on electrical cabinet sheet The lower end of body 1 is provided with idler wheel 8 in the lower end of pedestal 7, and is provided at both ends with fixed seat 9, the connection positioning of fixed seat 9 in pedestal 7 Screw rod 10 is provided with plastic framing strip 14, the reed switch 19, headlamp 15, indicator light 5 on the shell of electrical cabinet ontology 1 It is connected with lighting controller 20.
The present invention operation principle be:
The present invention relates to a kind of electrical cabinets, and the lower end of this electrical cabinet is provided with idler wheel 8, can very easily mobile electrical cabinet, In addition when electrical cabinet is needed to fix, the height of fixed seat 9 can be adjusted by rotational positioning screw rod 10, it on the one hand can be with Water-proof function is played, on the other hand by adjusting fixed seat 9, electrical cabinet can be made to be placed in the ground of various injustice, and keep Balance;The upper end of cabinet is provided with canopy 12, can play the function of rain and sun in this way, and protection electrical cabinet is durable;Row The setting of transom window 16 and exhaust fan 17 can play the role of the function of ventilation and heat, and can also play damp-proof, and protection is electrical Device inside cabinet is not affected;It is provided with ash collecting box 18 and dust bucket 11 in the lower end of cabinet, the dust in cabinet can edge It cabinet inner wall and falls into ash collecting box 18, then enter dust bucket 11 from ash collecting box 18, finally cleaned up by staff;In addition, Fingerprint Lock 3 is provided in cabinet door 2, the personnel only specified could open cabinet door 2 and carry out relevant operation, can play so very well Protective effect, while be also a kind of protection to personal safety;In addition the setting of plastic framing strip 14 can protect staff It is scraped off, indicator light 5 and headlamp 15 is additionally provided in cabinet door 2, indicator light 5 and headlamp 15 are controlled by lighting controller 20 System as shown in figure 3, when cabinet door 2 is shut, is attracted inside reed switch K, so triode V1 is in due to base stage is low level Off-state, V2 are also switched off, therefore thyristor Q1 control poles are off state without trigger voltage, and lamp H does not work.When cabinet door is opened, It is attracted inside reed switch K, V1 is connected due to R1 obtains base bias current, and voltage is charged rapidly, and to capacitance C1 through R2 by V1 V2 is made also therefore to be connected to V2 injection base flows, Q1 obtains trigger current and just switchs to conducting state by original OFF state, and lamp H just leads to Electroluminescence.Cabinet door 2 shuts door conveniently again after closing, although V1 has restored cut-off state again, since the charge of C1 storages can lead to It crosses R2 to discharge to the base stage of V2, so as to which V2 be maintained to continue to be held on state, so electric light H is still lighted without extinguishing.Until C1 Charge discharges substantially, and when being not enough to maintain V2 conductings, Q1 is because losing trigger current, lamps and lanterns H extinguishings, triode V3 in circuit, Photo resistance R5 and potentiometer RP1 composition control modules, when bright and clear, the resistance value of resistance R5 is very low, and triode V3 is because of base stage Voltage is connected higher than conducting voltage, therefore opens the door in time, and the base stage of triode V1 also cannot get base current, only light not When sufficient, the resistance value raising of resistance R5, triode V3 disconnections at this time, when opening the door again, triode V1 just can triggering and conducting.Indicator light 5 be the light emitting diode D1 in Fig. 3, for the position of night instruction Fingerprint Lock.
The multi-functional anti-dynamic electrical cabinet of the present invention has the function of waterproof fireproofing and anti-scratch, avoids the peace caused by extreme misery Full hidden danger, unlocked by fingerprint more safe ready effectively prevent the openings such as people without fixed duties to destroy electric wiring, while the design has certainly Dynamic illumination and the function of intelligent lighting controls, are convenient for people to be convenient for moving using electrical cabinet, perfect heat-dissipating, and electrical cabinet at night It is dynamic and fixed, reduce the labor intensity of staff when carrying.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a kind of multi-functional anti-not dynamic electrical cabinet, which is characterized in that including electrical cabinet ontology(1), cabinet door(2), pedestal(7), umbrella Lid(12)And exhaust fan(17), the cabinet door(2)Pass through hinge(6)It is arranged on electrical cabinet ontology(1)On, hinge(6)Lower part Reed switch is installed(19), in cabinet door(2)Outer surface be provided with Fingerprint Lock(3), observation panel(4)And indicator light(5), in cabinet Door(2)Inner surface be provided with headlamp(15)And lighting controller(20), the canopy(12)Pass through stent(13)It is fixed on Electrical cabinet ontology(1)Upper end, in electrical cabinet ontology(1)The back side be provided with exhausting window(16)And exhaust fan(17), and in electricity Gas holder ontology(1)Interior lower end be provided with ash collecting box(18), ash collecting box(18)It is extended to electrical cabinet ontology(1)Outer end, and And connection dust bucket(11), the pedestal(7)It is arranged on electrical cabinet ontology(1)Lower end, in pedestal(7)Lower end be provided with rolling Wheel(8), and in pedestal(7)It is provided at both ends with fixed seat(9), fixed seat(9)Connect positioning screw(10), in electrical cabinet ontology (1)Shell on be provided with plastic framing strip(14), the reed switch(19), headlamp(15), indicator light(5)Controlled with illumination Device processed(20)It is connected.
2. multi-functional anti-not dynamic electrical cabinet according to claim 1, which is characterized in that the lighting controller(20)Including Resistance R1, triode V1, potentiometer RP1 and unidirectional thyristor Q1, it is described, one end connection power supply VCC of resistance R1, resistance R5, Resistance R6, the collector of triode V1, the collector of triode V2 and headlamp H, the other end connecting triode V3 of resistance R1 Collector, reed switch K and triode V1 base stage, the other end connection capacitance C1 of reed switch K, the moon of diode D1 Pole, resistance R3, potentiometer RP1, the emitter of triode V3 and unidirectional thyristor Q1 cathode, the emitter connection of triode V1 The base stage of the other end connecting triode V2 of capacitance C1 and resistance R2, resistance R2, the emitter connection resistance R3's of triode V2 The other end and resistance R4, the control pole of the other end connection unidirectional thyristor Q1 of resistance R4, the anode connection of unidirectional thyristor Q1 The other end of headlamp H, the anode of the other end connection diode D1 of resistance R6, the base stage connection resistance R5's of triode V3 is another One end and the other end of potentiometer RP1.
3. multi-functional anti-not dynamic electrical cabinet according to claim 2, which is characterized in that the model of the chip IC 1 LM7812。
4. multi-functional anti-not dynamic electrical cabinet according to claim 2, which is characterized in that the diode D1 is light-emitting diodes Pipe.
5. multi-functional anti-not dynamic electrical cabinet according to claim 1, which is characterized in that the exhausting window(16)The row of being arranged on Gas is fanned(17)Upper end position.
6. multi-functional anti-not dynamic electrical cabinet according to claim 1, which is characterized in that the dust bucket(11)Lower end is set There is dust export.
7. multi-functional anti-not dynamic electrical cabinet according to claim 1, which is characterized in that the headlamp(15)It is set as LED light.
CN201810082094.XA 2018-01-29 2018-01-29 A kind of multi-functional anti-not dynamic electrical cabinet Pending CN108199266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810082094.XA CN108199266A (en) 2018-01-29 2018-01-29 A kind of multi-functional anti-not dynamic electrical cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810082094.XA CN108199266A (en) 2018-01-29 2018-01-29 A kind of multi-functional anti-not dynamic electrical cabinet

Publications (1)

Publication Number Publication Date
CN108199266A true CN108199266A (en) 2018-06-22

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CN201810082094.XA Pending CN108199266A (en) 2018-01-29 2018-01-29 A kind of multi-functional anti-not dynamic electrical cabinet

Country Status (1)

Country Link
CN (1) CN108199266A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767680A (en) * 2018-07-04 2018-11-06 武汉中智德远科技开发有限公司 A kind of power switch cabinet of safe antitheft
CN108988172A (en) * 2018-07-20 2018-12-11 吴鑫锋 A kind of distribution box with intelligent heat dissipation function
CN111431060A (en) * 2018-10-19 2020-07-17 杨华根 Protection device and method suitable for indoor construction distribution box of high-rise building engineering

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217803A (en) * 1990-12-20 1992-08-07 Toshiba Corp Naturally cooling outdoor control panel
CN205565448U (en) * 2016-04-20 2016-09-07 象山艾尔沃特智能科技有限公司 Multi -functional outdoor cabinet
CN206118132U (en) * 2016-11-10 2017-04-19 黑龙江科技大学 Gate illumination LED control circuit
CN206894021U (en) * 2017-05-25 2018-01-16 成都英威讯电子技术有限公司 A kind of energy saving and environment friendly outdoor electric cabinet with moisture-proof function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217803A (en) * 1990-12-20 1992-08-07 Toshiba Corp Naturally cooling outdoor control panel
CN205565448U (en) * 2016-04-20 2016-09-07 象山艾尔沃特智能科技有限公司 Multi -functional outdoor cabinet
CN206118132U (en) * 2016-11-10 2017-04-19 黑龙江科技大学 Gate illumination LED control circuit
CN206894021U (en) * 2017-05-25 2018-01-16 成都英威讯电子技术有限公司 A kind of energy saving and environment friendly outdoor electric cabinet with moisture-proof function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108767680A (en) * 2018-07-04 2018-11-06 武汉中智德远科技开发有限公司 A kind of power switch cabinet of safe antitheft
CN108988172A (en) * 2018-07-20 2018-12-11 吴鑫锋 A kind of distribution box with intelligent heat dissipation function
CN111431060A (en) * 2018-10-19 2020-07-17 杨华根 Protection device and method suitable for indoor construction distribution box of high-rise building engineering

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Application publication date: 20180622

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