CN107591700A - A kind of safe boxing base for being common to high and low voltage electrical equipment - Google Patents
A kind of safe boxing base for being common to high and low voltage electrical equipment Download PDFInfo
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- CN107591700A CN107591700A CN201710705911.8A CN201710705911A CN107591700A CN 107591700 A CN107591700 A CN 107591700A CN 201710705911 A CN201710705911 A CN 201710705911A CN 107591700 A CN107591700 A CN 107591700A
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- earth leakage
- leakage protective
- control module
- supporting plate
- safe
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Abstract
The invention discloses a kind of safe boxing base for being common to high and low voltage electrical equipment; including bedframe; supporting plate is installed on the inside of bedframe; being dug in supporting plate has air vent; upper surface is installed with heat abstractor; it is connected between heat abstractor and supporting plate by support column, the head and the tail both ends of support column are to be carved with external screw thread, and earth leakage protective device is also equipped with the side wall of supporting plate；Heat abstractor includes radiating plate framework and fin, and cooling fan is also equipped with below the plate framework that radiates；Earth leakage protective device includes insulation machine box; insulation machine box is seal case; internal welding is connected to surface-mounted integrated circuit; earth leakage protective control module is welded with surface-mounted integrated circuit; the signal end of earth leakage protective control module is connected with signal acquisition module, and the signal output part of earth leakage protective control module is connected with alarm module and wireless transport module.The present invention, which removes and installs, facilitates storage easy to remove, and has good heat sinking function and leakage pre-alarm function.
Description
Technical field
The present invention relates to security appliance device field, specially a kind of safe boxing base for being common to high and low voltage electrical equipment.
Background technology
High-Voltage Electrical Appliances are to be used for realizing the equipment close, cut-off, protecting, controlling, adjusting, measuring in high-tension line.One
As High-Voltage Electrical Appliances include device for switching, measure electrical equipment and current limliting, pressure limiting electrical equipment.
Low-voltage electrical apparatus is a kind of signal that can be according to the external world and requirement, manually or automatically on-off circuit, to realize
The element or equipment of switching, control, protection, detection, conversion and regulation to circuit or non-electrical object.Control apparatus presses its work
The height of voltage, to exchange 1200V, direct current 1500V as boundary, high voltage control electrical equipment can be divided into and low-voltage controling appliance two is big
Class.Generally speaking, low-voltage electrical apparatus can be divided into electrical power distribution apparatus and the major class of control apparatus two, be the basic composition of assembled electric equipment
Element.It is most of to use low-voltage power supply, therefore electric elements in industry, agricultural, traffic, national defence and people's electricity consumption department
Quality will directly influence the reliability of low-voltage power supply system.
All there is certain difference in High-Voltage Electrical Appliances and low-voltage electrical apparatus, but in fact either High-Voltage Electrical Appliances are also at many aspects
It is that low-voltage electrical apparatus all has certain danger.Especially the High-Voltage Electrical Appliances in many places and low-voltage electrical apparatus can be sometimes integrated in now
One safety vanning is internal, and such integrated cabinet can not be typically directly placed on ground, the excessive radiating of one side electric current
Trouble, while easily cause contingency if there is leaky.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of safety vanning bottom for being common to high and low voltage electrical equipment
Seat, including bedframe, the bedframe combine composition, the inner side edge of bedframe using the mutual mortise and tenon of four pieces of insulating sheet materials
Cutting has buckling groove, and supporting plate is provided with groove, and being dug in the supporting plate has air vent, and the upper surface of supporting plate is fixedly mounted
There is heat abstractor, be connected between the heat abstractor and supporting plate by support column, the head and the tail both ends of the support column are
It is carved with external screw thread, screwed hole has been dug in the corner of heat abstractor and supporting plate, and support column rotation is plugged on inside screwed hole
Form a fixed connection, earth leakage protective device is also equipped with the side wall of the supporting plate；
The heat abstractor include radiating plate framework, it is described radiating plate framework surface by dividing plate separate into it is multiple every
Between, fin is fixed with compartment, the fin is higher by bedframe upper surface 2-3cm and is close to lower surface of casing safely,
Cooling fan is also equipped with below radiating plate framework；
The earth leakage protective device includes insulation machine box, and the insulation machine box is seal case, and internal welding is connected to integrated electricity
Road plate, earth leakage protective control module is welded with surface-mounted integrated circuit, the signal end of the earth leakage protective control module is connected with letter
Number acquisition module, the signal output part of earth leakage protective control module are connected with alarm module and wireless transport module.
As a kind of preferable technical scheme of the present invention, the radiating plate framework is made of thermal conductive metal plate, metallic plate
Surface is coated with coatings, and the junction of radiating plate framework and fin is also coated with thermal grease conduction.
As a kind of preferable technical scheme of the present invention, the base of the cooling fan is welded on heat sink by connecting rod
The lower surface of framework, the air outlet of cooling fan face the gap between fin.
As a kind of preferable technical scheme of the present invention, the earth leakage protective control module includes microcontroller, microcontroller
Device chip uses STM32Cortex-M3 series monolithics, and SCM peripheral is connected with reset circuit and clock crystal oscillator composition is minimum
System, and chip internal is also integrated with UART ports.
As a kind of preferable technical scheme of the present invention, the signal acquisition module include divider resistance and linear optical coupling every
From device, the signal after the output isolation of linear optical coupling isolation device is to sampling holder LF398, and sampling holder output crest voltage is extremely
A/D conversion chips AD574A, A/D conversion chip output digit signals are to earth leakage protective control module.
As a kind of preferable technical scheme of the present invention, the alarm module includes driving amplifier ULN2003, and driving is put
Big device ULN2003 current output terminal LED warning lamps and buzzer, LED warning lamps are embedded in insulation machine box outer surfac.
As a kind of preferable technical scheme of the present invention, the wireless transport module integrates ZigBee transmission using CC2430
Module, baseband chip and dual-mode antenna are internally integrated, the wherein COM1 of baseband chip passes through bus and earth leakage protective control
The UART ports connection of molding block.
As a kind of preferable technical scheme of the present invention, the earth leakage protective control module is also associated with motor control mould
Block, the motor control module include power governor and decelerator, and the power governor power output adjust instruction is to subtracting
Fast device, the output shaft of decelerator are coupling in the rotating shaft of cooling fan.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention is realized mutual connection using tenon structure, passed through by setting bedframe and supporting plate
Hole and support column are threaded, the connection of supporting plate and heat abstractor is realized using spiral connection, whole device is detachable
Structure, easy for installation, carrying easy to disassemble；
(2) present invention is by setting heat abstractor, to radiate plate framework and the vanning of fin abundant touch-safe is improved and dissipated
The thermal efficiency, while increase cooling fan, further improve radiating effect；
(3) present invention is realized by setting earth leakage protective device using signal acquisition module and earth leakage protective control module
The surface current cased safely is gathered in real time, leakage-current alarm is carried out using alarm module, prevents someone's false touch from causing danger；Simultaneously
Wireless transport module is also designed, realizes remote data transmission and monitoring, further improves the security performance of device.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is earth leakage protective device structured flowchart；
Fig. 3 is signal acquisition module circuit theory diagrams；
Fig. 4 is alarm module circuitry schematic diagram.
In figure：1- bedframes；2- supporting plates；3- air vents；4- heat abstractors；5- support columns；6- screwed holes；7- leaks electricity
Protection device.
401- radiating plate frameworks；402- fin；403- cooling fans.
701- insulation machine boxes；702- earth leakage protective control modules；703- signal acquisition modules；704- alarm modules；705-
Wireless transport module；706- motor control modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., only it is direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As shown in figure 1, the invention provides a kind of safe boxing base for being common to high and low voltage electrical equipment, including bedframe
1, the bedframe 1 combines composition using the mutual mortise and tenon of four pieces of insulating sheet materials, and the inner side edge of bedframe 1, which is dug, clamping
Groove, supporting plate 2 is installed, being dug in the supporting plate 2 has air vent 3, and the upper surface of supporting plate 2 is installed with radiating in groove
Device 4, it is connected between the heat abstractor 4 and supporting plate 2 by support column 5, the head and the tail both ends of the support column 5 are carving
It is carved with external screw thread, screwed hole 6 has been dug in the corner of heat abstractor 4 and supporting plate 2, and the rotation of support column 5 is plugged in screwed hole 6
Portion is formed a fixed connection, and earth leakage protective device 7 is also equipped with the side wall of the supporting plate 2；The bedframe 1 has insulation
Protective value, it can effectively prevent from leaking electricity, the support plate 2 is used for fixed support superstructure, and the air vent 3 is used to realize
Air circulation inside and outside base, heat dispersion, the support column 5 and the mode being rotatably connected of screwed hole 6 are improved, can be passed through
Rotation conveniently realizes the installation and removal of heat abstractor 4, is convenient for repairing；The earth leakage protective device 7, which is used to realize, to be leaked
Pyroelectric monitor simultaneously carries out alarm and protection operation；
The heat abstractor 4 includes radiating plate framework 401, and the surface of the radiating plate framework 401 is separated into by dividing plate
Multiple compartments, fin 402 are fixed with compartment, the fin 402 is higher by the upper surface 2-3cm of bedframe 1 and is close to pacify
Full vanning lower surface, the lower section of radiating plate framework 401 are also equipped with cooling fan 403；The radiating plate framework 401 uses heat conduction
Metallic plate is made, and metal sheet surface is coated with coatings, and the junction of radiate plate framework 401 and fin 402 also coats
There is thermal grease conduction；The base of the cooling fan 403 is welded on the lower surface of radiating plate framework 401, cooling fan by connecting rod
403 air outlet faces the gap between fin 402；The radiating plate framework 401 is used to fin 402 be fixedly mounted,
The junction coated with thermally conductive fat of fin 402 and radiating plate framework 401, most of heat of such device pass through fin 402
Radiating plate framework 401 is directly conducted to, then control supporting plate 2 is reached by radiating plate framework 401, then is heated sink to heat sink；Institute
Stating cooling fan 403 has external power source power supply, is opened when temperature reaches certain and required, strengthens heat dispersion；
As shown in Fig. 2 the earth leakage protective device 7 includes insulation machine box 701, the insulation machine box 701 is seal case,
Internal welding is connected to surface-mounted integrated circuit, and earth leakage protective control module 702 is welded with surface-mounted integrated circuit, and the earth leakage protective controls mould
The signal end of block 702 is connected with signal acquisition module 703, and the signal output part of earth leakage protective control module 702 is connected with alarm
Module 704 and wireless transport module 705；The earth leakage protective control module 702 is also associated with motor control module 706, described
Motor control module 706 includes power governor and decelerator, the power governor power output adjust instruction to decelerator,
The output shaft of decelerator is coupling in the rotating shaft of cooling fan 403, and power governor is used for the adjustable PWM ripples of output duty cycle,
By changing the power output of Duty ratio control decelerator, change the rotating speed of cooling fan 403 by decelerator；
The insulation machine box 701, which has, is dielectrically separated from function, reduces influence of the external equipment to internal circuit, the electric leakage
The control core that control module 702 is whole device is protected, is controlled for carrying out data analysis and instruction；The signal acquisition mould
Block 703 is used to gather electric leakage signal, and the alarm module 704 is driven when there is leaky to be started to alarm, the wireless biography
Defeated module 705 is used to transmit the signal that earth leakage protective control module 702 collects to remote supervisory and control(ling) equipment to realize remote monitoring
Operation, the motor control module 706 are used to be controlled cooling fan 403；
Preferably, the earth leakage protective control module 702 includes microcontroller, and microcontroller chip uses
STM32Cortex-M3 series monolithics, SCM peripheral are connected with reset circuit and clock crystal oscillator composition minimum system, and core
UART ports are also integrated with inside piece；The enhanced serial clock frequency of the chip reaches 72MHz, is performance highest in like product
Product；Basic model clock frequency is 36MHz, and the performance being substantially improved than 16 products is obtained with the price of 16 products, place
The reason fast interface resource of speed enriches；
As shown in figure 3, the signal acquisition module 703 includes divider resistance and linear optical coupling isolation device, linear optical coupling every
From the signal after device output isolation to sampling holder LF398, sampling holder exports crest voltage to A/D conversion chips
AD574A, A/D conversion chip output digit signals are to earth leakage protective control module 702；Point in the signal acquisition module 703
The safety that piezoresistance is connected to top by wire is cased, the progress of voltage that linear optical coupling isolation device export through divider resistance every
From, reduce the impact to subsequent conditioning circuit, current crest voltage is gathered using retainer, and crest voltage is kept, A/D conversions
Chip by the analog voltage signal rapid translating collected into data signal, obtained data signal by spi bus transmit to
The SPI port of microcontroller；
As shown in figure 4, the alarm module 704 includes driving amplifier ULN2003, driving amplifier ULN2003 electricity
Stream output end LED warning lamps and buzzer, LED warning lamps are embedded in the outer surface of insulation machine box 701；When earth leakage protective control module
I.e. there is serious leaky, therefore triggering report immediately in explanation when 702 voltage peaks for judging to collect exceed secure threshold
Alert module 704, LED warning lamps are lighted in driving current through for output again after driving amplifier is amplified, while drive buzzing
Device sends audible alarm；
Further illustrate, the wireless transport module 705 integrates ZigBee transport modules, inside collection using CC2430
Into having baseband chip and dual-mode antenna, the wherein COM1 of baseband chip passes through bus and earth leakage protective control module 702
UART ports connect；The data that microcontroller transmits are modulated and are converted into rf wireless signal by the baseband chip, pass through
Sent after amplification by dual-mode antenna to pre-set passage, so long-range equipment is by accessing corresponding port
To obtain the real time data on current base, remote monitoring activities are convenient for.
In summary, the main characteristic of the invention lies in that：
(1) present invention is realized mutual connection using tenon structure, passed through by setting bedframe and supporting plate
Hole and support column are threaded, the connection of supporting plate and heat abstractor is realized using spiral connection, whole device is detachable
Structure, easy for installation, carrying easy to disassemble；
(2) present invention is by setting heat abstractor, to radiate plate framework and the vanning of fin abundant touch-safe is improved and dissipated
The thermal efficiency, while increase cooling fan, flowing air channel is formed with reference to air vent, further improves radiating effect；
(3) present invention is realized by setting earth leakage protective device using signal acquisition module and earth leakage protective control module
The surface current cased safely is gathered in real time, leakage-current alarm is carried out using alarm module, prevents someone's false touch from causing danger；Simultaneously
Wireless transport module is also designed, realizes remote data transmission and monitoring, further improves the security performance of device.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one 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, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (8)
- A kind of 1. safe boxing base for being common to high and low voltage electrical equipment, it is characterised in that：Including bedframe (1), the base Framework (1) combines composition using the mutual mortise and tenon of four pieces of insulating sheet materials, and the inner side edge of bedframe (1), which is dug, buckling groove, in groove Supporting plate (2) is installed, being dug on the supporting plate (2) has air vent (3), and the upper surface of supporting plate (2) is installed with scattered Thermal (4), it is connected between the heat abstractor (4) and supporting plate (2) by support column (5), the head of the support column (5) Tail both ends are to be carved with external screw thread, and screwed hole (6), support column have been dug in heat abstractor (4) and the corner of supporting plate (2) (5) rotation, which is plugged on screwed hole (6) and is internally formed, is fixedly connected, and earth leakage protective is also equipped with the side wall of the supporting plate (2) Device (7)；The heat abstractor (4) includes radiating plate framework (401), and the surface of the radiating plate framework (401) is separated by dividing plate Into multiple compartments, fin (402) is fixed with compartment, the fin (402) is higher by bedframe (1) upper surface 2-3cm And it is close to lower surface of casing safely, it is also equipped with cooling fan (403) below radiating plate framework (401)；The earth leakage protective device (7) includes insulation machine box (701), and the insulation machine box (701) is seal case, interior welds There is surface-mounted integrated circuit, earth leakage protective control module (702), the earth leakage protective control module are welded with surface-mounted integrated circuit (702) signal end is connected with signal acquisition module (703), and the signal output part of earth leakage protective control module (702) is connected with Alarm module (704) and wireless transport module (705).
- A kind of 2. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：It is described to dissipate Hot plate framework (401) is made of thermal conductive metal plate, and metal sheet surface is coated with coatings, and radiate plate framework (401) with The junction of fin (402) is also coated with thermal grease conduction.
- A kind of 3. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：It is described to dissipate The base of air-heater (403) is welded on the lower surface of radiating plate framework (401), the air-out of cooling fan (403) by connecting rod Mouth faces the gap between fin (402).
- A kind of 4. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：The leakage Electric protection control module (702) includes microcontroller, and microcontroller chip uses STM32Cortex-M3 series monolithics, monolithic Machine periphery is connected with reset circuit and clock crystal oscillator composition minimum system, and chip internal is also integrated with UART ports.
- A kind of 5. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：The letter Number acquisition module (703) includes divider resistance and linear optical coupling isolation device, and the signal after the output isolation of linear optical coupling isolation device is extremely Sampling holder LF398, sampling holder export crest voltage to A/D conversion chips AD574A, A/D conversion chip and export numeral Signal is to earth leakage protective control module (702).
- A kind of 6. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：The report Alert module (704) includes driving amplifier ULN2003, driving amplifier ULN2003 current output terminal LED warning lamps and buzzing Device, LED warning lamps are embedded in insulation machine box (701) outer surface.
- A kind of 7. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：The nothing Line transport module (705) integrates ZigBee transport modules using CC2430, has been internally integrated baseband chip and dual-mode antenna, wherein The COM1 of baseband chip is connected by bus with the UART ports of earth leakage protective control module (702).
- A kind of 8. safe boxing base for being common to high and low voltage electrical equipment according to claim 1, it is characterised in that：The leakage Electric protection control module (702) is also associated with motor control module (706), and the motor control module (706) is adjusted including power Section device and decelerator, the power governor power output adjust instruction to decelerator, the output shaft of decelerator are coupling in radiating In the rotating shaft of blower fan (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705911.8A CN107591700A (en) | 2017-08-17 | 2017-08-17 | A kind of safe boxing base for being common to high and low voltage electrical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705911.8A CN107591700A (en) | 2017-08-17 | 2017-08-17 | A kind of safe boxing base for being common to high and low voltage electrical equipment |
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| CN107591700A true CN107591700A (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710705911.8A Pending CN107591700A (en) | 2017-08-17 | 2017-08-17 | A kind of safe boxing base for being common to high and low voltage electrical equipment |
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Cited By (3)
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| CN109067055A (en) * | 2018-07-04 | 2018-12-21 | 盐城康鼎机械有限公司 | A kind of engineering machinery generator cover |
| CN110858704A (en) * | 2018-08-15 | 2020-03-03 | 江苏瀚晨电气科技有限公司 | Anti-leakage power distribution cabinet and electric leakage alarm method |
| CN112702262A (en) * | 2020-11-24 | 2021-04-23 | 深圳市宇虹飞科技有限公司 | Data information fusion gateway equipment based on multiple antennas |
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| CN109067055A (en) * | 2018-07-04 | 2018-12-21 | 盐城康鼎机械有限公司 | A kind of engineering machinery generator cover |
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| CN112702262A (en) * | 2020-11-24 | 2021-04-23 | 深圳市宇虹飞科技有限公司 | Data information fusion gateway equipment based on multiple antennas |
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Application publication date: 20180116 |
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