CN106159683B - A kind of electric control cabinet with dehumidification function - Google Patents
A kind of electric control cabinet with dehumidification function Download PDFInfo
- Publication number
- CN106159683B CN106159683B CN201610689687.3A CN201610689687A CN106159683B CN 106159683 B CN106159683 B CN 106159683B CN 201610689687 A CN201610689687 A CN 201610689687A CN 106159683 B CN106159683 B CN 106159683B
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- triode
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- base stage
- electrochemical capacitor
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 18
- 239000011230 binding agent Substances 0.000 claims description 13
- 239000004088 foaming agent Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 10
- 238000010348 incorporation Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 3
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 3
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 3
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 3
- -1 dicyandiamide modified phenolic resin Chemical class 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
-
- H02J13/0006—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Drying Of Gases (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The present invention relates to a kind of electric control cabinet with dehumidification function, including cabinet；It is characterized in that：It is provided with the top of described cabinet on inverted V-shaped top cover, the biside plate of inverted V-shaped top cover and is provided with thermal insulation board, the bottom edge of inverted V-shaped top cover is provided with water guide groove；The bottom of switch board is provided with supporting leg, and described supporting leg is fixed on the bottom plate for being arranged on ground；Air-breathing funnel is provided with described cabinet, described air-breathing funnel is connected with pipeline, described pipeline is connected with blower fan, moisture absorption chamber and drying cavity are disposed with the pipeline, described moisture absorption intracavitary, which is provided with moisture absorption layer, described drying cavity, is provided with electrical heating wire, and described electrical heating wire, blower fan are connected to power supply by electromagnetic relay, described electromagnetic relay is connected with controller, and described controller is also associated with being arranged at the humidity sensor in switch board.
Description
Technical field
The invention belongs to electrical equipment technical field, it is related to a kind of electric control cabinet, it is especially a kind of that there is dehumidification function
Electric control cabinet.
Background technology
Electric control cabinet is the important component of power system, in whole power network course of conveying, with extremely important
Effect.
With continuing to develop and progressive for economic construction, electric control cabinet is more and more built in open-air atmosphere,
The electric control cabinet under open-air atmosphere is chronically at, easily by external influence, moist inside electric control cabinet show is caused
As causing the various electrical devices in electric control cabinet can not normal work, the normal transmission of the whole power network of influence.
Although in addition, the method for operation of the power distribution cabinet neutral point of the prior art using resistance grounded, is simply played
The effect of ground connection, without sending alarm, such staff can not timely obtain warning message；This be prior art not
Foot part.
Therefore, for drawbacks described above of the prior art there is provided designing a kind of electric control cabinet with dehumidification function, with
Above-mentioned technical problem is solved, is necessary.
The content of the invention
It is an object of the present invention to which in view of the above-mentioned drawbacks of the prior art, providing design one kind has dehumidification function
Electric control cabinet, to solve above-mentioned technical problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of electric control cabinet with dehumidification function, including cabinet；It is characterized in that：It is provided with the top of described cabinet
Thermal insulation board is provided with inverted V-shaped top cover, the biside plate of inverted V-shaped top cover, the bottom edge of inverted V-shaped top cover is provided with water guide groove；
The bottom of switch board is provided with supporting leg, and described supporting leg is fixed on the bottom plate for being arranged on ground；
Air-breathing funnel is provided with described cabinet, described air-breathing funnel is connected with pipeline, and described pipeline is connected with
Moisture absorption chamber and drying cavity are disposed with blower fan, the pipeline, described moisture absorption intracavitary is provided with moisture absorption layer, described drying
Intracavitary is provided with electrical heating wire, and described electrical heating wire, blower fan are connected to power supply, described electromagnetism by electromagnetic relay
Relay is connected with controller, and described controller is also associated with being arranged at the humidity sensor in switch board；
Support is additionally provided with switch board, grounding resistance is provided with support, described grounding resistance passes through insulator
It is fixed on support, grounding resistance is connected with ground wire, current transformer, current transformer and control is provided with ground wire
Device is connected, and described controller is connected by drive circuit with alarm and wireless communication module；
Described grounding resistance includes the first grounding resistance group and the second grounding resistance group, the first grounding resistance group and first
Ground wire is connected, and the second grounding resistance group is connected with the second ground wire, and current transformer is arranged on the first ground wire；
Described controller is also connected with control circuit, and control circuit controls the break-make of the second ground wire, described control
Circuit includes photoelectrical coupler U1, and photoelectrical coupler U1 1 pin is connected by 3rd resistor R3 with+VCC1, photoelectrical coupler U1
2 pin be connected with controller, photoelectrical coupler U1 4 pin are connected with+VCC2, and photoelectrical coupler U1 3 pin pass through first resistor
R1 is connected with triode VT1 base stage, triode VT1 grounded emitter, between triode VT1 base stage and emitter stage
Second resistance R2 is concatenated, the colelctor electrode of triode is connected by the first relay JI with+VCC3, the normally opened of the first relay JI touches
Point J1-1 is connected between the second grounding resistance group and the second ground wire；
Described drive circuit includes rectification circuit, output end concatenation the 4th resistance R4, the 4th resistance R4 of rectification circuit
The first electrochemical capacitor C1 and first diode D1 are in series with, the first described electrochemical capacitor C1 and first diode D1 are simultaneously
Connection, described controller is connected with second triode VT2 base stage, and second triode VT2 colelctor electrode passes through the 5th electricity
Resistance R5 is connected with the first electrochemical capacitor C1 positive pole, second triode VT2 emitter stage and the 3rd triode VT3 base stage
Connection, second triode VT2 colelctor electrode is connected with the 3rd triode VT3 colelctor electrode, the 3rd triode VT3 hair
Emitter-base bandgap grading is connected with the first electrochemical capacitor C1 negative pole, the first electrochemical capacitor C1 negative pole ground connection, the 3rd triode VT3 current collection
Pole is connected by the 6th resistance R6 with the 4th triode VT4 base stage, and the 4th triode VT4 colelctor electrode passes through the 7th electricity
Resistance R7 is connected with the first electrochemical capacitor C1 positive pole, and the 4th triode VT4 emitter stage is grounded by the 8th resistance R8, and the 4th
Individual triode VT4 emitter stage is connected with the 5th triode VT5 emitter stage, and the 4th triode VT4 colelctor electrode passes through
9th resistance R9 is connected with the 5th triode VT5 base stage, and the second electric capacity C2 is in parallel with the 9th resistance R9, the 5th triode
VT5 base stage is grounded by the tenth resistance R10, and the 5th triode VT5 colelctor electrode passes through the electricity of the 11st resistance R11 and first
Electric capacity C1 positive pole connection is solved, the 5th triode VT5 colelctor electrode passes through the 3rd electric capacity C3, second diode D2, the 4th
Electric capacity C4 is connected with the 6th triode VT6 base stage, and second diode D2 negative pole passes through the 12nd resistance R12 and first
Electrochemical capacitor C1 positive pole connection, second diode D2 positive pole passes through the 13rd resistance R13's and the first electrochemical capacitor C1
Positive pole is connected, and the 6th triode VT6 emitter stage is connected with the 7th triode VT7 emitter stage, the 7th triode
VT7 base stage is connected by the 14th resistance R14 with the first electrochemical capacitor C1 positive pole, and the 7th triode VT7 base stage is led to
The 15th resistance R15 ground connection is crossed, the 7th triode VT7 emitter stage is grounded by the 16th resistance R16, the 6th three poles
Pipe VT6 base stage is connected by the 17th resistance R17 with the first electrochemical capacitor C1 positive pole, the 6th triode VT6 base stage
Colelctor electrode is connected by the 18th resistance R18 with the first electrochemical capacitor C1 positive pole, and the 6th triode VT6 colelctor electrode passes through
19th resistance R19, the first voltage-stabiliser tube VD1 are connected with the 8th triode VT8 base stage, the 8th triode VT8 base stage
It is grounded by the 20th resistance R20, the 8th triode VT8 grounded emitter, the 8th triode VT8 colelctor electrode leads to
The positive pole that the second relay J2 is crossed with the first electrochemical capacitor C1 is connected, and has the 3rd diode D3 in parallel with the second relay J2,
Second relay J2 normally opened contact J2-1 is connected after being connected with wireless communication module with power supply, alarm and radio communication
Wired in parallel.
Preferably, the cross section of described water guide groove is semicircle.
Preferably, described wireless communication module is 3G or 4G wireless communication modules.
Preferably, the second described relay J2 is auxiliary reclay.
Preferably, the thermal insulation board is made up of the raw material of following parts by weight：
10-12 parts of base material；
13-17 parts of glass fibre；
15-19 parts of zinc powder；
8-12 parts of binding agent；
30-35 parts of zirconium dioxide；
8-16 parts of foaming agent；
The base material selects kaolin；
The binding agent is selected from Pioloform, polyvinyl acetal phenol-formaldehyde resin modified or dicyandiamide modified phenolic resin；
The foaming agent selects calcium bicarbonate.
Preferably, the thermal insulation board is made up of the raw material of following parts by weight：
11 parts of base material；
15 parts of glass fibre；
16 parts of zinc powder；
10 parts of binding agent；
32 parts of zirconium dioxide；
12 parts of foaming agent；
Preferably, the preparation method of the thermal insulation board is：
Base material, glass fibre and binding agent are added in batch mixer according to number and mixed, incorporation time is controlled
For 3 minutes；Then zinc powder and zirconium dioxide are then added in batch mixer according to number and mixed, control the incorporation time to be
2.5 minute；Finally foaming agent is added in batch mixer according to number and mixed, it is 3.5 minutes to control incorporation time, and is sprayed
The ethanol that volumetric concentration is 75% is drenched, then dries mixture in dryer；
Obtained mixture is placed in mould, it is 130 DEG C to control shaping humidity, and briquetting pressure is 180kg/cm2
Compacting 2 minutes；
Shaping thermal insulation board is sintered again, it is 100 DEG C to control sintering humidity, and sintering time is 8h；
The thermal insulation board sintered is placed in steam ambient and is cooled to room temperature.
The beneficial effects of the present invention are due to having support in switch board in this scenario, can be used for placing ground connection electricity
Resistance；Grounding resistance is fixed on support by insulator, thus is avoided that grounding resistance is leaked electricity by support, and such support just can be with
It is solid firm using metallic support, can effective dead earth resistance；There is humidity sensor, can timely obtain switch board
Interior humidity information, and then blower fan work is controlled by controller, such blower fan avoids the need for working always, electric energy is saved, when wet
When spending high, humidity sensor obtains humidity information, and controller is obtained after the information of humidity sensor, control blower fan, electrical heating
Silk work, in the presence of blower fan, the air in switch board sequentially passes through moisture absorption chamber and drying cavity after air-breathing funnel, according to
It is secondary gas to be dehumidified and drying and processing, to reduce the air humidity in switch board；Switch board setting inverted V-shaped top cover, and
The biside plate bottom edge of inverted V-shaped top cover sets water guide groove, so can effectively prevent rainwater from entering inside switch board；Ground connection
Resistance be two groups, when current transformer measure electric current it is excessive when, controller by control circuit control the second grounding resistance group connect
Enter, so carry out the shunting of electric current, it is to avoid the first grounding resistance group is damaged；Control circuit uses photoelectrical coupler, so
Interference can effectively be avoided；When current transformer monitor electric current it is excessive when, controller by drive circuit, realize alarm and
The energization of wireless communication module, and then alarm sends alarm, wireless communication module uses 3G or 4G wireless communication modules, can be with
On the mobile phone that current information is fed back to superior platforms or setting, remote alarms are realized；By setting heat-insulated on inverted V-shaped top cover
Plate, can reduce influence of the solar irradiation to control in-cabinet temperature.
In addition, design principle of the present invention is reliable, and it is simple in construction, with application prospect widely.
As can be seen here, the present invention compared with prior art, improves with prominent substantive distinguishing features and significantly, and it is implemented
Beneficial effect be also obvious.
Brief description of the drawings
Fig. 1 is a kind of structural representation for electric control cabinet with dehumidification function that the present invention is provided.
Fig. 2 is a kind of electrical schematic diagram for electric control cabinet with dehumidification function that the present invention is provided.
Fig. 3 is the circuit theory diagrams of control circuit in Fig. 2.
Fig. 4 is the circuit theory diagrams of drive circuit in Fig. 2.
Wherein, 1- cabinets, 2- inverted V-shaped top covers, 3- thermal insulation boards, 4- water guide grooves, 5- supporting legs, 6- bottom plates, 7- air-breathing funnels,
8- moisture absorption chambers, 9- drying cavities, 10- humidity sensors, 11- blower fans, 12- supports, 13- the first grounding resistance groups, 14- second is grounded
Resistance group, 15- insulators.
Embodiment
Below in conjunction with the accompanying drawings and the present invention will be described in detail by specific embodiment, following examples are to the present invention
Explanation, and the invention is not limited in implementation below.
As shown in Figures 1 to 4, a kind of electric control cabinet with dehumidification function that the present invention is provided, including cabinet 1；It is described
The top of cabinet 1 be provided with inverted V-shaped top cover 2, the biside plate of inverted V-shaped top cover 2 and be provided with thermal insulation board 3, the bottom of inverted V-shaped top cover 2
End margin is provided with water guide groove 4；
The bottom of switch board is provided with supporting leg 5, and described supporting leg 5 is fixed on the bottom plate 6 for being arranged on ground；
Air-breathing funnel 7 is provided with described cabinet, described air-breathing funnel 7 is connected with pipeline, described pipeline connection
Have and moisture absorption chamber 8 and drying cavity 9 are disposed with blower fan 11, the pipeline, be provided with moisture absorption layer in described moisture absorption chamber 8, institute
It is provided with electrical heating wire in the drying cavity 9 stated, described electrical heating wire, blower fan are connected to power supply by electromagnetic relay,
Described electromagnetic relay is connected with controller, and described controller is also associated with being arranged at the humidity sensor in switch board
10；
Support 12 is additionally provided with switch board, grounding resistance is provided with support, described grounding resistance passes through insulation
Son 15 is fixed on support 12, and grounding resistance is connected with ground wire, and current transformer, current transformer are provided with ground wire
It is connected with controller, described controller is connected by drive circuit with alarm and wireless communication module；
Described grounding resistance include the first grounding resistance group 13 and the second grounding resistance group 14, the first grounding resistance group with
First ground wire is connected, and the second grounding resistance group is connected with the second ground wire, and current transformer is arranged on the first ground wire；
Described controller is also connected with control circuit, and control circuit controls the break-make of the second ground wire, described control
Circuit includes photoelectrical coupler U1, and photoelectrical coupler U1 1 pin is connected by 3rd resistor R3 with+VCC1, photoelectrical coupler U1
2 pin be connected with controller, photoelectrical coupler U1 4 pin are connected with+VCC2, and photoelectrical coupler U1 3 pin pass through first resistor
R1 is connected with triode VT1 base stage, triode VT1 grounded emitter, between triode VT1 base stage and emitter stage
Second resistance R2 is concatenated, the colelctor electrode of triode is connected by the first relay JI with+VCC3, the normally opened of the first relay JI touches
Point J1-1 is connected between the second grounding resistance group and the second ground wire；
Described drive circuit includes rectification circuit, output end concatenation the 4th resistance R4, the 4th resistance R4 of rectification circuit
The first electrochemical capacitor C1 and first diode D1 are in series with, the first described electrochemical capacitor C1 and first diode D1 are simultaneously
Connection, described controller is connected with second triode VT2 base stage, and second triode VT2 colelctor electrode passes through the 5th electricity
Resistance R5 is connected with the first electrochemical capacitor C1 positive pole, second triode VT2 emitter stage and the 3rd triode VT3 base stage
Connection, second triode VT2 colelctor electrode is connected with the 3rd triode VT3 colelctor electrode, the 3rd triode VT3 hair
Emitter-base bandgap grading is connected with the first electrochemical capacitor C1 negative pole, the first electrochemical capacitor C1 negative pole ground connection, the 3rd triode VT3 current collection
Pole is connected by the 6th resistance R6 with the 4th triode VT4 base stage, and the 4th triode VT4 colelctor electrode passes through the 7th electricity
Resistance R7 is connected with the first electrochemical capacitor C1 positive pole, and the 4th triode VT4 emitter stage is grounded by the 8th resistance R8, and the 4th
Individual triode VT4 emitter stage is connected with the 5th triode VT5 emitter stage, and the 4th triode VT4 colelctor electrode passes through
9th resistance R9 is connected with the 5th triode VT5 base stage, and the second electric capacity C2 is in parallel with the 9th resistance R9, the 5th triode
VT5 base stage is grounded by the tenth resistance R10, and the 5th triode VT5 colelctor electrode passes through the electricity of the 11st resistance R11 and first
Electric capacity C1 positive pole connection is solved, the 5th triode VT5 colelctor electrode passes through the 3rd electric capacity C3, second diode D2, the 4th
Electric capacity C4 is connected with the 6th triode VT6 base stage, and second diode D2 negative pole passes through the 12nd resistance R12 and first
Electrochemical capacitor C1 positive pole connection, second diode D2 positive pole passes through the 13rd resistance R13's and the first electrochemical capacitor C1
Positive pole is connected, and the 6th triode VT6 emitter stage is connected with the 7th triode VT7 emitter stage, the 7th triode
VT7 base stage is connected by the 14th resistance R14 with the first electrochemical capacitor C1 positive pole, and the 7th triode VT7 base stage is led to
The 15th resistance R15 ground connection is crossed, the 7th triode VT7 emitter stage is grounded by the 16th resistance R16, the 6th three poles
Pipe VT6 base stage is connected by the 17th resistance R17 with the first electrochemical capacitor C1 positive pole, the 6th triode VT6 base stage
Colelctor electrode is connected by the 18th resistance R18 with the first electrochemical capacitor C1 positive pole, and the 6th triode VT6 colelctor electrode passes through
19th resistance R19, the first voltage-stabiliser tube VD1 are connected with the 8th triode VT8 base stage, the 8th triode VT8 base stage
It is grounded by the 20th resistance R20, the 8th triode VT8 grounded emitter, the 8th triode VT8 colelctor electrode leads to
The positive pole that the second relay J2 is crossed with the first electrochemical capacitor C1 is connected, and has the 3rd diode D3 in parallel with the second relay J2,
Second relay J2 normally opened contact J2-1 is connected after being connected with wireless communication module with power supply, alarm and radio communication
Wired in parallel.
In the present embodiment, the cross section of described water guide groove is semicircle.
Described wireless communication module is 3G or 4G wireless communication modules.
The second described relay J2 is auxiliary reclay.
In the present embodiment, the thermal insulation board is made up of the raw material of following parts by weight：
11 parts of base material；
15 parts of glass fibre；
16 parts of zinc powder；
10 parts of binding agent；
32 parts of zirconium dioxide；
12 parts of foaming agent；
The base material selects kaolin；
The binding agent is selected from Pioloform, polyvinyl acetal phenol-formaldehyde resin modified or dicyandiamide modified phenolic resin；
The foaming agent selects calcium bicarbonate.
In the present embodiment, the preparation method of the thermal insulation board is：
Base material, glass fibre and binding agent are added in batch mixer according to number and mixed, incorporation time is controlled
For 3 minutes；Then zinc powder and zirconium dioxide are then added in batch mixer according to number and mixed, control the incorporation time to be
2.5 minute；Finally foaming agent is added in batch mixer according to number and mixed, it is 3.5 minutes to control incorporation time, and is sprayed
The ethanol that volumetric concentration is 75% is drenched, then dries mixture in dryer；
Obtained mixture is placed in mould, it is 130 DEG C to control forming temperature, and briquetting pressure is 180kg/cm2
Compacting 2 minutes；
Shaping thermal insulation board is sintered again, it is 100 DEG C to control sintering temperature, and sintering time is 8h；
The thermal insulation board sintered is placed in steam ambient and is cooled to room temperature.
In other embodiments, thermal insulation board can also be made up of the raw material of following parts by weight：
10 parts of base material；
13 parts of glass fibre；
15 parts of zinc powder；
8 parts of binding agent；
30 parts of zirconium dioxide；
8 parts of foaming agent.
In other embodiments, thermal insulation board can also be made up of the raw material of following parts by weight：
12 parts of base material；
17 parts of glass fibre；
19 parts of zinc powder；
12 parts of binding agent；
35 parts of zirconium dioxide；
16 parts of foaming agent.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any this area
What technical staff can think does not have a creative change, and some improvement made without departing from the principles of the present invention and
Retouching, should all be within the scope of the present invention.
Claims (7)
1. a kind of electric control cabinet with dehumidification function, including cabinet；It is characterized in that：It is provided with down at the top of described cabinet
Thermal insulation board is provided with V-arrangement top cover, the biside plate of inverted V-shaped top cover, the bottom edge of inverted V-shaped top cover is provided with water guide groove；
The bottom of switch board is provided with supporting leg, and described supporting leg is fixed on the bottom plate for being arranged on ground；
Air-breathing funnel is provided with described cabinet, described air-breathing funnel is connected with pipeline, and described pipeline is connected with blower fan,
Moisture absorption chamber and drying cavity are disposed with the pipeline, described moisture absorption intracavitary is provided with moisture absorption layer, described drying cavity
It is provided with electrical heating wire, described electrical heating wire, blower fan are connected to power supply, described electromagnetism relay by electromagnetic relay
Device is connected with controller, and described controller is also associated with being arranged at the humidity sensor in switch board；
Support is additionally provided with switch board, grounding resistance is provided with support, described grounding resistance is fixed by insulator
On support, grounding resistance is connected with ground wire, and current transformer is provided with ground wire, and current transformer connects with controller
Connect, described controller is connected by drive circuit with alarm and wireless communication module；
Described grounding resistance includes the first grounding resistance group and the second grounding resistance group, the first grounding resistance group and the first ground connection
Line is connected, and the second grounding resistance group is connected with the second ground wire, and current transformer is arranged on the first ground wire；
Described controller is also connected with control circuit, and control circuit controls the break-make of the second ground wire, described control circuit
Including photoelectrical coupler U1, photoelectrical coupler U1 1 pin is connected by 3rd resistor R3 with+VCC1, photoelectrical coupler U1 2 pin
It is connected with controller, photoelectrical coupler U1 4 pin are connected with+VCC2, photoelectrical coupler U1 3 pin pass through first resistor R1 and one
Individual triode VT1 base stage connection, triode VT1 grounded emitter concatenates the between triode VT1 base stage and emitter stage
Two resistance R2, the colelctor electrode of triode is connected by the first relay JI with+VCC3, the first relay JI normally opened contact J1-1
It is connected between the second grounding resistance group and the second ground wire；
Described drive circuit includes rectification circuit, and the output end of rectification circuit concatenates the 4th resistance R4, the 4th resistance R4 series connection
There are the first electrochemical capacitor C1 and first diode D1, the first described electrochemical capacitor C1 in parallel with first diode D1, institute
The controller stated is connected with second triode VT2 base stage, second triode VT2 colelctor electrode by the 5th resistance R5 with
First electrochemical capacitor C1 positive pole connection, second triode VT2 emitter stage is connected with the 3rd triode VT3 base stage,
Second triode VT2 colelctor electrode is connected with the 3rd triode VT3 colelctor electrode, the 3rd triode VT3 emitter stage
It is connected with the first electrochemical capacitor C1 negative pole, the first electrochemical capacitor C1 negative pole ground connection, the 3rd triode VT3 colelctor electrode leads to
The base stage that the 6th resistance R6 is crossed with the 4th triode VT4 is connected, and the 4th triode VT4 colelctor electrode passes through the 7th resistance R7
It is connected with the first electrochemical capacitor C1 positive pole, the 4th triode VT4 emitter stage is grounded by the 8th resistance R8, the 4th three
Pole pipe VT4 emitter stage is connected with the 5th triode VT5 emitter stage, and the 4th triode VT4 colelctor electrode passes through the 9th
Resistance R9 is connected with the 5th triode VT5 base stage, and the second electric capacity C2 is in parallel with the 9th resistance R9, the 5th triode VT5
Base stage be grounded by the tenth resistance R10, the 5th triode VT5 colelctor electrode passes through the electrolysis of the 11st resistance R11 and first
Electric capacity C1 positive pole connection, the 5th triode VT5 colelctor electrode passes through the 3rd electric capacity C3, second diode D2, the 4th electricity
Hold C4 to be connected with the 6th triode VT6 base stage, second diode D2 negative pole passes through the electricity of the 12nd resistance R12 and first
Solve electric capacity C1 positive pole connection, second diode D2 positive pole by the 13rd resistance R13 and the first electrochemical capacitor C1 just
Pole is connected, and the 6th triode VT6 emitter stage is connected with the 7th triode VT7 emitter stage, the 7th triode VT7
Base stage be connected by the 14th resistance R14 with the first electrochemical capacitor C1 positive pole, the 7th triode VT7 base stage passes through
15 resistance R15 are grounded, and the 7th triode VT7 emitter stage is grounded by the 16th resistance R16, the 6th triode VT6
Base stage be connected by the 17th resistance R17 with the first electrochemical capacitor C1 positive pole, the 6th triode VT6 base collector
It is connected by the 18th resistance R18 with the first electrochemical capacitor C1 positive pole, the 6th triode VT6 colelctor electrode passes through the 19th
Resistance R19, the first voltage-stabiliser tube VD1 are connected with the 8th triode VT8 base stage, and the 8th triode VT8 base stage passes through
20 resistance R20 ground connection, the 8th triode VT8 grounded emitter, the 8th triode VT8 colelctor electrode passes through second
Relay J2 is connected with the first electrochemical capacitor C1 positive pole, has the 3rd diode D3 in parallel with the second relay J2, second after
Electrical equipment J2 normally opened contact J2-1 is connected after being connected with wireless communication module with power supply, and alarm and wireless communication module are simultaneously
Connection.
2. a kind of electric control cabinet with dehumidification function according to claim 1, it is characterised in that：Described disposal ditches
The cross section of groove is semicircle.
3. a kind of electric control cabinet with dehumidification function according to claim 1 or 2, it is characterised in that：Described nothing
Line communication module is 3G or 4G wireless communication modules.
4. a kind of electric control cabinet with dehumidification function according to claim 3, it is characterised in that：Described second after
Electrical equipment J2 is auxiliary reclay.
5. a kind of electric control cabinet with dehumidification function according to claim 4, it is characterised in that：The thermal insulation board by
The raw material composition of following parts by weight：
10-12 parts of base material；
13-17 parts of glass fibre；
15-19 parts of zinc powder；
8-12 parts of binding agent；
30-35 parts of zirconium dioxide；
8-16 parts of foaming agent；
The base material selects kaolin；
The binding agent is selected from Pioloform, polyvinyl acetal phenol-formaldehyde resin modified or dicyandiamide modified phenolic resin；
The foaming agent selects calcium bicarbonate.
6. a kind of electric control cabinet with dehumidification function according to claim 5, it is characterised in that：The thermal insulation board by
The raw material composition of following parts by weight：
11 parts of base material；
15 parts of glass fibre；
16 parts of zinc powder；
10 parts of binding agent；
32 parts of zirconium dioxide；
12 parts of foaming agent.
7. a kind of electric control cabinet with dehumidification function according to claim 6, it is characterised in that：The thermal insulation board
Preparation method is：
Base material, glass fibre and binding agent are added in batch mixer according to number and mixed, it is 3 points to control incorporation time
Clock；Then zinc powder and zirconium dioxide are then added in batch mixer according to number and mixed, it is 2.5 points to control incorporation time
Clock；Finally foaming agent is added in batch mixer according to number and mixed, it is 3.5 minutes to control incorporation time, and sprays body
The ethanol that product concentration is 75%, then dries mixture in dryer；
Obtained mixture is placed in mould, it is 130 DEG C to control shaping humidity, and briquetting pressure is 180kg/cm2Compacting 2
Minute；
Shaping thermal insulation board is sintered again, it is 100 DEG C to control sintering humidity, and sintering time is 8h；
The thermal insulation board sintered is placed in steam ambient and is cooled to room temperature.
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| CN201610689687.3A CN106159683B (en) | 2016-08-19 | 2016-08-19 | A kind of electric control cabinet with dehumidification function |
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| CN201610689687.3A CN106159683B (en) | 2016-08-19 | 2016-08-19 | A kind of electric control cabinet with dehumidification function |
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| CN106159683B true CN106159683B (en) | 2017-09-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106451143B (en) * | 2016-12-23 | 2018-04-10 | 国网山东省电力公司龙口市供电公司 | A kind of electric power cabinet dehydrating unit |
| CN107492815B (en) * | 2017-09-19 | 2019-04-02 | 广西贯鼎电气有限公司 | A kind of moisture-proof hardware distribution box |
| CN110752079A (en) * | 2019-10-28 | 2020-02-04 | 烟台艾易网络科技有限公司 | Multifunctional transformer protection device capable of alarming |
| CN112248851B (en) * | 2020-10-15 | 2022-09-27 | 深圳市嘉兴南电科技有限公司 | Automobile charging pile capable of preventing electric leakage in rain days |
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| US5934368A (en) * | 1994-09-20 | 1999-08-10 | Hitachi, Ltd. | Air-cooled electronic apparatus with condensation prevention |
| CN201887551U (en) * | 2010-11-29 | 2011-06-29 | 厦门安达兴电气有限公司 | Monitor and control device for medium and high-voltage switch cabinet |
| CN104124677A (en) * | 2014-08-01 | 2014-10-29 | 安徽恒凯电力保护设备有限公司 | Neutral-point grounding resistance cabinet |
| CN204833017U (en) * | 2015-07-28 | 2015-12-02 | 天津元亨利贞科技有限公司 | Novel watch -dog switch board |
| CN105826839A (en) * | 2016-03-25 | 2016-08-03 | 国网山东省电力公司滨州市滨城区供电公司 | Intelligent distribution box |
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| US5934368A (en) * | 1994-09-20 | 1999-08-10 | Hitachi, Ltd. | Air-cooled electronic apparatus with condensation prevention |
| CN201887551U (en) * | 2010-11-29 | 2011-06-29 | 厦门安达兴电气有限公司 | Monitor and control device for medium and high-voltage switch cabinet |
| CN104124677A (en) * | 2014-08-01 | 2014-10-29 | 安徽恒凯电力保护设备有限公司 | Neutral-point grounding resistance cabinet |
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