CN107546603A - A kind of temperature automatic control distribution box - Google Patents
A kind of temperature automatic control distribution box Download PDFInfo
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- CN107546603A CN107546603A CN201710740804.9A CN201710740804A CN107546603A CN 107546603 A CN107546603 A CN 107546603A CN 201710740804 A CN201710740804 A CN 201710740804A CN 107546603 A CN107546603 A CN 107546603A
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Abstract
A kind of temperature automatic control distribution box, including casing, chamber door and case top, the case top is installed on the upper end of casing, chamber door is installed on the side of casing, the opposite side that chamber door is connected with casing is provided with door lock, operation handle, alarming determining button, selecting switch and thermovent are additionally provided with chamber door, the alarming determining button and selecting switch are installed on the centre of chamber door, alarming determining button is located at the upper end of selecting switch, thermovent is located at the upper end of alarming determining button, and operation handle is located at the upper end of door lock；It is provided with protection device in the distribution box, can all produces heat during component work in casing, after temperature overrate in casing; protection device can start the radiating in blower fan progress casing; the suitable of case vivo environment can be ensure that, reduces the generation of failure, reduces loss.
Description
Technical field
The present invention relates to power construction field, especially a kind of temperature automatic control distribution box.
Background technology
With the fast development of industry, power construction is more and more important, and power construction has obvious drawing to social economy
Action is used, and China's economic is fast-developing, and supply of electric power is relatively nervous, to meet the needs of national economy and social development, state
Family needs to accelerate power construction dynamics.All the time, with power construction there is positively related relation in National Industrial value added, with
The increase of the increase of power construction, particularly commercial power, industrial added value are consequently increased, electricity consumption be always treated as through
Help " thermometer " developed, and both are usually positively related, the composition of proportions electric power of electricity consumption growth rate and economic growth rate
Consumption elasticity coefficient, its variation is the coefficient result of the factors such as economic growth in the regular period, structure change, is built in electric power
It can't do without the use of distribution box during if, conventional distribution box is mostly ferrous material, and surface gets rusty easily over time；Electricity
It can all produce heat, especially summer during device element manipulation, the temperature in distribution box is higher, easily causes the damage of component,
Thus need to be cooled when overtemperature, but conventional distribution box is not provided with heat sink.
The present invention is exactly for the improvement for solving problem above and carrying out.
The content of the invention
It is an object of the invention to provide one kind to have water-tight corrosion-proof, versatile, ensure that the suitable of case vivo environment, subtracts
The generation of few failure, reduce a kind of temperature automatic control distribution box of loss.
The present invention is that technical scheme is used by solving its technical problem：
A kind of temperature automatic control distribution box, including casing, chamber door and case top, the case top are installed on the upper end of casing,
Chamber door is installed on the side of casing, and the opposite side that chamber door is connected with casing is provided with door lock, be additionally provided with chamber door operation handle,
Alarming determining button, selecting switch and thermovent, the alarming determining button and selecting switch are installed on the centre of chamber door, alarm
Confirm that button is located at the upper end of selecting switch, thermovent is located at the upper end of alarming determining button, and operation handle is located at the upper of door lock
End；
Main contactor, main circuit breaker, blower fan, earthing bar and protection device, main contactor, master are additionally provided with the casing
Breaker, blower fan and protection device are mounted on cabinet wall, and earthing bar is installed on the edge of casing surrounding, cabinet wall
Centre position is provided with blower fan, and the upper end of blower fan is provided with protection device, main contactor and main circuit breaker, and main contactor is positioned at master
Between breaker and protection device；
The protection device is connected with main circuit breaker, and environment temperature controller, environment temperature controller are provided with the protection device
It is made up of temperature sensor, oscillating circuit, indicating circuit twinkling, audio oscillator circuit and audio amplifier circuit；The vibration electricity
Six ungated integrated circuit IC are provided with road；
The indicating circuit twinkling is made up of the not circuit d inside IC, resistance R3 and light emitting diode VL, not circuit
D 8 pins are connected after being connected with resistance R3 with light emitting diode VL；
Not circuit a, the not circuit b being provided with the audio oscillator circuit inside IC, not circuit a 2 pins
NAND gate circuit b 3 pins are connected, and not circuit a 1 pin NAND gate circuit b 4 pins pass through first connecting line phase
Even, electric capacity C2 is provided with first connecting line, resistance R4 is additionally provided between electric capacity C2 and not circuit a, resistance R4's
One end is connected with first connecting line, and resistance R4 other end NAND gate circuit a 2 pins are connected；
The audio amplifier circuit is made up of the not circuit c inside IC, transistor V1, transistor V2 and piezo, non-
Gate circuit c 5 pin NAND gate circuit b 4 pins are connected, and not circuit c 6 pins are connected with transistor V1 base stage, brilliant
Body pipe V1 emitter stage is connected with transistor V2 base stage, transistor V2 colelctor electrode be connected with transistor V1 colelctor electrode after
It is connected with piezo；
The protection device is connected with power supply VCC ends by second connecting line and can be by switching S controls, at second
Resistance R1 is provided with connecting line, diode VD1 positive pole is connected with resistance R1 and protection device respectively by connecting line, two poles
Pipe VD1 negative pole is connected with 13 pins of not circuit f inside IC, and not circuit f 7 pins pass through connecting line and protection device
It is connected, not circuit f 14 pins are connected on second connecting line between resistance R1 and power supply VCC ends；Not circuit c's
11 pin NAND gate circuit f 12 pins are connected, not circuit c 10 pins difference NAND gate circuit d 9 pins and diode
VD2 positive pole is connected, and diode VD2 negative pole NAND gate circuit a 1 pin is connected；Not circuit d 9 pins pass through the 3rd
Root connecting line NAND gate circuit f 13 pins are connected, and are provided with electric capacity C1 on the 3rd connecting line, resistance R2 one end passes through
13 pins of the connecting line respectively with electric capacity C1 and not circuit f are connected, and NAND gate circuit f 12 draws respectively for the resistance R2 other end
Pin is connected with not circuit c 11 pins；
Triggers circuit is additionally provided with the protection device, the triggers circuit includes resistance R5, triode Q1, triode
Q2, resistance R6 and electric capacity C3, resistance R5 one end are connected by base stage of the connecting line respectively with piezo and triode Q1, resistance
The R5 other end is connected with resistance R6, and the other end of piezo is connected with power supply VCC；Triode Q1 emitter stage passes through connecting line
It is connected respectively with power supply VCC and piezo, triode Q1 colelctor electrode is connected with triode Q2 base stage, the resistance R6 other end
It is connected respectively with triode Q1 colelctor electrode and triode Q2 base stage, triode Q2 emitter stage is connected on power supply VCC, electricity
The one end for holding C3 is connected on triode Q2 emitter stage, and the electric capacity C3 other end is connected with triode Q2 colelctor electrode；
Colelctor electrode of the one end of the main contactor respectively with electric capacity C3 and triode Q2 is connected, the other end of main contactor
It is connected with blower fan；
Further, the bottom half is provided with cable incoming-outgoing hole；
It is welded specifically, the casing and chamber door are bent using stainless steel plate, between the casing, chamber door and case top
Using modular construction, box part punching shapes and connected with standard component；
Temperature sensing liquid is provided with temperature sensor；Open Side Down for thermovent.
Wherein, resistance R1 resistance is 100 kilo-ohms, and resistance R2 resistance is 150 kilo-ohms, and resistance R3 resistance is 1 kilo-ohm,
Resistance R4 resistance is 100 kilo-ohms, and resistance R5 resistance is 4.7 megaohms, and resistance R6 resistance is 47 kilo-ohms, electric capacity C1 capacity
For 4.7 microfarads, electric capacity C2 capacity is 0.01 microfarad, and electric capacity C3 capacity is 104 microfarads.
Operation principle is：Temperature sensor in protection device uses temperature sensing liquid expanded by heating principle, when temperature exceedes
During rated value, the circuit of temperature sensing liquid expansion conducting environment temperature controller, diode VD1 positive pole is set to be changed into low level, VD1 is cut
Only, oscillating circuit works, the oscillator signal longer from the IC 10 pins output cycle, when the oscillating voltage signal is timing, two
Pole pipe VD2 is turned on, and IC 1 pin is high level, and audio oscillator circuit does not work；When the oscillator signal electricity that IC 10 pins export
When pressing to bear, VD2 cut-offs, audio oscillator circuit work；So, audio oscillator circuit will intermittently work, from IC 6 pins
Interrupted audio signal is exported, the signal promotes piezo that buzzerphone occurs after transistor V1 and transistor V2 amplifications；
After trigger receives buzzerphone, positive trigger current is produced, the running of blower fan is controlled by main contactor；When temperature lowers
When, temperature sensing liquid declines, and protection device is in open-circuit condition, and power supply adds to diode VD1 positive pole through switch S, resistance R1, made
VD1 is turned on, and IC 13 pins, 10 pins, 1 pin and 4 pins are high level, and piezo does not work without buzzerphone, blower fan.
The advantage of the invention is that：
It is welded 1. the casing and chamber door of the distribution box are bent using stainless steel plate, there is water-tight corrosion-proof；Case
Modular construction is used between top, casing and chamber door, box part punching shaping, is connected using standard component, no-welding, it is assembled quick
Flexibly, there is very strong versatility.
2. being provided with protection device in the distribution box, the component in casing can all produce heat when working, when in casing
Temperature overrate after, protection device can start blower fan and carry out radiating in casing, it is ensured that case vivo environment it is suitable
Preferably, the generation of failure is reduced, reduces loss.
Brief description of the drawings
Fig. 1 is a kind of structural representation of temperature automatic control distribution box proposed by the present invention.
Fig. 2 is a kind of box house layout drawing of temperature automatic control distribution box proposed by the present invention.
Fig. 3 is a kind of circuit theory diagrams figure of the environment temperature controller of temperature automatic control distribution box proposed by the present invention.
Fig. 4 is the schematic diagram of triggers circuit in Fig. 2 protection devices.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Diagram and specific embodiment are closed, the present invention is expanded on further.
Shown in reference picture 1, Fig. 2, Fig. 3, Fig. 4, a kind of temperature automatic control distribution box, including casing 1, chamber door 2 and case
Top 3, the case top 3 is installed on the upper end of casing 1, and chamber door 2 is installed on the side of casing 1, and chamber door 2 is connected another with casing 1
Side is provided with door lock 24, and operation handle 21, alarming determining button 22, selecting switch 23 and thermovent 25 are additionally provided with chamber door 2,
The alarming determining button 22 and selecting switch 23 are installed on the centre of chamber door 2, and alarming determining button 22 is located at selecting switch 23
Upper end, thermovent 25 is located at the upper end of alarming determining button 22, and operation handle 21 is located at the upper end of door lock 24；
Main contactor 11, main circuit breaker 12, blower fan 13, earthing bar 14 and protection device 15 are additionally provided with the casing 1,
Main contactor 11, main circuit breaker 12, blower fan 13 and protection device 15 are mounted on cabinet wall 4, and earthing bar 14 is installed on case
The edge of the surrounding of body 1, the centre position of cabinet wall 4 are provided with blower fan 13, and the upper end of blower fan 13 is provided with protection device 15, master connects
Tentaculum 11 and main circuit breaker 12, main contactor 11 is between main circuit breaker 12 and protection device 15；
The protection device 15 is connected with main circuit breaker 12, and environment temperature controller, environment are provided with the protection device 15
Temperature controller is made up of temperature sensor, oscillating circuit, indicating circuit twinkling, audio oscillator circuit and audio amplifier circuit；It is described
Six ungated integrated circuit IC are provided with oscillating circuit；
The indicating circuit twinkling is made up of the not circuit d inside IC, resistance R3 and light emitting diode VL, not circuit
D 8 pins are connected after being connected with resistance R3 with light emitting diode VL；
Not circuit a, the not circuit b being provided with the audio oscillator circuit inside IC, not circuit a 2 pins
NAND gate circuit b 3 pins are connected, and not circuit a 1 pin NAND gate circuit b 4 pins pass through first connecting line phase
Even, electric capacity C2 is provided with first connecting line, resistance R4 is additionally provided between electric capacity C2 and not circuit a, resistance R4's
One end is connected with first connecting line, and resistance R4 other end NAND gate circuit a 2 pins are connected；
The audio amplifier circuit is made up of the not circuit c inside IC, transistor V1, transistor V2 and piezo, non-
Gate circuit c 5 pin NAND gate circuit b 4 pins are connected, and not circuit c 6 pins are connected with transistor V1 base stage, brilliant
Body pipe V1 emitter stage is connected with transistor V2 base stage, transistor V2 colelctor electrode be connected with transistor V1 colelctor electrode after
It is connected with piezo；
The protection device 15 is connected with power supply VCC ends by second connecting line and can be by switching S controls, second
Resistance R1 is provided with root connecting line, diode VD1 positive pole is connected with resistance R1 and protection device 15 respectively by connecting line,
Diode VD1 negative pole is connected with 13 pins of not circuit f inside IC, and not circuit f 7 pins pass through connecting line and protection
Device 15 is connected, and not circuit f 14 pins are connected on second connecting line between resistance R1 and power supply VCC ends；NOT gate
Circuit c 11 pin NAND gate circuit f 12 pins are connected, not circuit c 10 pins difference NAND gate circuit d 9 pins
It is connected with diode VD2 positive pole, diode VD2 negative pole NAND gate circuit a 1 pin is connected；Not circuit d 9 pins
It is connected by the 3rd connecting line NAND gate circuit f 13 pins, electric capacity C1 is provided with the 3rd connecting line, resistance R2's
One end is connected by 13 pins of the connecting line respectively with electric capacity C1 and not circuit f, resistance R2 other end difference NAND gate electricity
Road f 12 pins are connected with not circuit c 11 pins；
Triggers circuit is additionally provided with the protection device 15, the triggers circuit includes resistance R5, triode Q1, three poles
Pipe Q2, resistance R6 and electric capacity C3, resistance R5 one end are connected by base stage of the connecting line respectively with piezo and triode Q1, electricity
The resistance R5 other end is connected with resistance R6, and the other end of piezo is connected with power supply VCC；Triode Q1 emitter stage passes through connection
Line is connected with power supply VCC and piezo respectively, and triode Q1 colelctor electrode is connected with triode Q2 base stage, and resistance R6's is another
End is connected with triode Q1 colelctor electrode and triode Q2 base stage respectively, and triode Q2 emitter stage is connected on power supply VCC,
Electric capacity C3 one end is connected on triode Q2 emitter stage, and the electric capacity C3 other end is connected with triode Q2 colelctor electrode；
Colelctor electrode of the one end of the main contactor 11 respectively with electric capacity C3 and triode Q2 is connected, main contactor 11 it is another
One end is connected with blower fan 13；
Further, the bottom of casing 1 is provided with cable incoming-outgoing hole；
It is welded specifically, the casing 1 and chamber door 2 are bent using stainless steel plate, the casing 1, chamber door 2 and case
Modular construction is used between top 3, the part punching of casing 1 shapes and connected with standard component；
Temperature sensing liquid is provided with temperature sensor；Open Side Down for thermovent 25；
Wherein, resistance R1 resistance is 100 kilo-ohms, and resistance R2 resistance is 150 kilo-ohms, and resistance R3 resistance is 1 kilo-ohm,
Resistance R4 resistance is 100 kilo-ohms, and resistance R5 resistance is 4.7 megaohms, and resistance R6 resistance is 47 kilo-ohms, electric capacity C1 capacity
For 4.7 microfarads, electric capacity C2 capacity is 0.01 microfarad, and electric capacity C3 capacity is 104 microfarads.
Temperature sensor in protection device uses temperature sensing liquid expanded by heating principle, when temperature overrate, sense
The circuit of geothermal liquid expansion conducting environment temperature controller, diode VD1 positive pole is set to be changed into low level, VD1 cut-offs, oscillating circuit work
Make, the oscillator signal longer from the IC 10 pins output cycle, when the oscillating voltage signal is timing, diode VD2 is turned on, IC
1 pin be high level, audio oscillator circuit does not work；When the oscillating voltage signal that IC 10 pins export is bears, VD2 is cut
Only, audio oscillator circuit works；So, audio oscillator circuit will intermittently be worked, and interrupted audio is exported from IC 6 pins
Signal, the signal promote piezo that buzzerphone occurs after transistor V1 and transistor V2 amplifications；Trigger receives honeybee
Ring after signal, produce positive trigger current, the running of blower fan is controlled by main contactor；When temperature lowers, under temperature sensing liquid
Drop, protection device are in open-circuit condition, and power supply adds to diode VD1 positive pole through switch S, resistance R1, turns on VD1, IC's
13 pins, 10 pins, 1 pin and 4 pins are high level, and piezo does not work without buzzerphone, blower fan；
The casing and chamber door of the distribution box are bent using stainless steel plate to be welded, and has the function that water-tight corrosion-proof；Case top,
Modular construction is used between casing and chamber door, box part punching shaping, is connected using standard component, no-welding, assembled quick spirit
It is living, there is very strong versatility；It is provided with protection device in the distribution box, can all produces heat during component work in casing
Amount, after temperature overrate in casing, protection device can start blower fan and carry out radiating in casing, it is ensured that casing
Interior environment it is suitable, reduce the generation of failure, reduce loss.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (5)
1. a kind of temperature automatic control distribution box, including casing (1), chamber door (2) and case top (3), it is characterised in that the case top
(3) upper end of casing (1) is installed on, chamber door (2) is installed on the side of casing (1), and chamber door (2) is connected another with casing (1)
Side is provided with door lock (24), and operation handle (21), alarming determining button (22), selecting switch (23) are additionally provided with chamber door (2)
And thermovent (25), the alarming determining button (22) and selecting switch (23) are installed on the centre of chamber door (2), alarming determining is pressed
Key (22) is located at the upper end of selecting switch (23), and thermovent (25) is located at the upper end of alarming determining button (22), operation handle
(21) it is located at the upper end of door lock (24)；
Main contactor (11), main circuit breaker (12), blower fan (13), earthing bar (14) and protection are additionally provided with the casing (1)
Device (15), main contactor (11), main circuit breaker (12), blower fan (13) and protection device (15) are mounted on cabinet wall (4)
On, earthing bar (14) is installed on the edge of casing (1) surrounding, and cabinet wall (4) centre position is provided with blower fan (13), blower fan
(13) upper end is provided with protection device (15), main contactor (11) and main circuit breaker (12), and main contactor (11) is positioned at main disconnected
Between road device (12) and protection device (15)；
The protection device (15) is connected with main circuit breaker (12), and environment temperature controller, ring are provided with the protection device (15)
Border temperature controller is made up of temperature sensor, oscillating circuit, indicating circuit twinkling, audio oscillator circuit and audio amplifier circuit；Institute
State and six ungated integrated circuit IC are provided with oscillating circuit；
The indicating circuit twinkling is made up of the not circuit d inside IC, resistance R3 and light emitting diode VL, and the 8 of not circuit d
Pin is connected after being connected with resistance R3 with light emitting diode VL；
Not circuit a, the not circuit b being provided with the audio oscillator circuit inside IC, not circuit a 2 pins with it is non-
Gate circuit b 3 pins are connected, and not circuit a 1 pin NAND gate circuit b 4 pins are connected by first connecting line,
Electric capacity C2 is provided with first connecting line, is additionally provided with resistance R4 between electric capacity C2 and not circuit a, resistance R4 one end with
First connecting line is connected, and resistance R4 other end NAND gate circuit a 2 pins are connected；
The audio amplifier circuit is made up of the not circuit c inside IC, transistor V1, transistor V2 and piezo, NOT gate electricity
Road c 5 pin NAND gate circuit b 4 pins are connected, and not circuit c 6 pins are connected with transistor V1 base stage, transistor
V1 emitter stage is connected with transistor V2 base stage, transistor V2 colelctor electrode be connected with transistor V1 colelctor electrode after with honeybee
Ring piece is connected；
The protection device (15) is connected with power supply VCC ends by second connecting line and can be by switching S controls, at second
Resistance R1 is provided with connecting line, diode VD1 positive pole is connected with resistance R1 and protection device (15) respectively by connecting line,
Diode VD1 negative pole is connected with 13 pins of not circuit f inside IC, and not circuit f 7 pins pass through connecting line and protection
Device (15) is connected, and not circuit f 14 pins are connected on second connecting line between resistance R1 and power supply VCC ends；It is non-
Gate circuit c 11 pin NAND gate circuit f 12 pins are connected, and NAND gate circuit d 9 draws respectively for not circuit c 10 pins
Pin is connected with diode VD2 positive pole, and diode VD2 negative pole NAND gate circuit a 1 pin is connected；Draw the 9 of not circuit d
Pin is connected by the 3rd connecting line NAND gate circuit f 13 pins, and electric capacity C1, resistance R2 are provided with the 3rd connecting line
One end be connected by 13 pins of the connecting line respectively with electric capacity C1 and not circuit f, resistance R2 other end difference NAND gate
Circuit f 12 pins are connected with not circuit c 11 pins；
Triggers circuit is additionally provided with the protection device (15), the triggers circuit includes resistance R5, triode Q1, triode
Q2, resistance R6 and electric capacity C3, resistance R5 one end are connected by base stage of the connecting line respectively with piezo and triode Q1, resistance
The R5 other end is connected with resistance R6, and the other end of piezo is connected with power supply VCC；Triode Q1 emitter stage passes through connecting line
It is connected respectively with power supply VCC and piezo, triode Q1 colelctor electrode is connected with triode Q2 base stage, the resistance R6 other end
It is connected respectively with triode Q1 colelctor electrode and triode Q2 base stage, triode Q2 emitter stage is connected on power supply VCC, electricity
The one end for holding C3 is connected on triode Q2 emitter stage, and the electric capacity C3 other end is connected with triode Q2 colelctor electrode；
Colelctor electrode of the one end of the main contactor (11) respectively with electric capacity C3 and triode Q2 is connected, main contactor (11) it is another
One end is connected with blower fan (13).
2. a kind of temperature automatic control distribution box according to claim 1, it is characterised in that casing (1) bottom is set
It is equipped with cable incoming-outgoing hole.
3. a kind of temperature automatic control distribution box according to claim 1, it is characterised in that the casing (1) and chamber door
(2) bent and be welded using stainless steel plate, modular construction, case are used between the casing (1), chamber door (2) and case top (3)
Body (1) part punching shapes and connected with standard component.
4. a kind of temperature automatic control distribution box according to claim 1, it is characterised in that be provided with temperature sensor
Temperature sensing liquid.
A kind of 5. temperature automatic control distribution box according to claim 1, it is characterised in that thermovent (25) be open to
Under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740804.9A CN107546603A (en) | 2017-08-25 | 2017-08-25 | A kind of temperature automatic control distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740804.9A CN107546603A (en) | 2017-08-25 | 2017-08-25 | A kind of temperature automatic control distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107546603A true CN107546603A (en) | 2018-01-05 |
Family
ID=60958530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740804.9A Pending CN107546603A (en) | 2017-08-25 | 2017-08-25 | A kind of temperature automatic control distribution box |
Country Status (1)
| Country | Link |
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| CN (1) | CN107546603A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103787A (en) * | 2018-09-10 | 2018-12-28 | 镇江禹成机电有限公司 | A kind of active power filtering cabinet with automatic heat radiation |
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| CN204733427U (en) * | 2015-06-15 | 2015-10-28 | 常州银河世纪微电子有限公司 | Portable color-adjustable LED |
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| CN206283144U (en) * | 2016-12-20 | 2017-06-27 | 邯郸市瑞银电气有限公司 | A kind of safe power distribution box for preventing from getting an electric shock |
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| CN2096164U (en) * | 1991-06-24 | 1992-02-12 | 葛向东 | Electronic timed alarm |
| CN201490600U (en) * | 2009-08-26 | 2010-05-26 | 张治� | High-efficiency radiating power cabinet |
| CN202737350U (en) * | 2012-08-16 | 2013-02-13 | 银川市立恒电气设备有限公司 | Digital monitoring intelligentized power distribution cabinet |
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| CN109103787A (en) * | 2018-09-10 | 2018-12-28 | 镇江禹成机电有限公司 | A kind of active power filtering cabinet with automatic heat radiation |
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Application publication date: 20180105 |
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| RJ01 | Rejection of invention patent application after publication |