CN106253071A - A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit - Google Patents
A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit Download PDFInfo
- Publication number
- CN106253071A CN106253071A CN201610731470.4A CN201610731470A CN106253071A CN 106253071 A CN106253071 A CN 106253071A CN 201610731470 A CN201610731470 A CN 201610731470A CN 106253071 A CN106253071 A CN 106253071A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- controller
- electric current
- control circuit
- digital control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses the multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit; including the cabinet accommodating DC DC change-over circuit; cabinet is provided with cabinet doorframe; cabinet door is installed on cabinet doorframe; the both sides of described cabinet are respectively arranged with wire guide; cabinet upper surface is provided with rain cover along cabinet eaves; the internally installed of cabinet has leakage switch; described leakage switch is connected with external power source by wire guide; cabinet is internally installed temperature sensor; being provided with the controller being connected with temperature sensor outside cabinet, described controller connects alarm.The present invention has the functions such as rainproof, anticreep, anticorrosion, monitoring temperature.
Description
Technical field
The present invention relates to a kind of circuit protection device, be specifically related to a kind of voltage controlable electric current digital control circuit many
Purposes protection equipment.
Background technology
Existing power distribution cabinet needs in outdoor application mostly, and the cabinet of power distribution cabinet is typically directly put on the ground, ventilation rainproof
Function is bad, and when humidity or rainy weather, rainwater easily infiltrates in power distribution cabinet, causes the electrical equipment in power distribution cabinet short
Road, damage, affect the normal use of power distribution cabinet, and at present, the top cover of major part power distribution cabinet is still slab construction, is unfavorable for rainwater
Discharge, along with the use temperature of power distribution cabinet can gradually rise, the most easily make device damage in cabinet, and existing power distribution cabinet
Also it is not easy to mobile, very flexible, generally lifted by people time mobile, very inconvenient, it is impossible to adapt to the building ring being continually changing
Border.
Summary of the invention
Present invention aim at providing the multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit, solve
Power distribution cabinet internal temperature can not be monitored in working due to poor performance rainproof, anticreep and circuit by universal power distribution cabinet in time at present
And the problem bringing big potential safety hazard to workmen.
The present invention is achieved through the following technical solutions:
The multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit, including the cabinet accommodating DC-DC change-over circuit
Body, cabinet is provided with cabinet doorframe, and cabinet doorframe is provided with cabinet door, and the both sides of described cabinet are respectively arranged with wire guide, cabinet
Body upper surface is provided with rain cover along cabinet eaves, and the internally installed of cabinet has leakage switch, described leakage switch by wire guide with
External power source connects, and cabinet is internally installed temperature sensor, is provided with the controller being connected with temperature sensor outside cabinet,
Described controller connects alarm.
DC-DC: DC-to-DC on and off switch.
The present invention has rainproof, anticreep, and the function of temperature in monitoring DC-DC change-over circuit, wherein cabinet in real time
Rainwater can be led away by the rain cover that upper surface is arranged along cabinet eaves, rainwater will not be made to penetrate in power distribution cabinet, cause the electricity in power distribution cabinet
Gas element short, damage；Leakage switch, for the anticreep effect of power distribution cabinet, is understood certainly when electric current passes through when leakage switch senses
Dynamic circuit breaker is opened, and making circuit is open-circuit condition, will not continue to electric leakage and workmen is caused personal injury；Cabinet is provided with temperature
Sensor, when temperature sensor detects cabinet internal temperature higher than its ultimate value, can pass to control by the signal of high-temperature
Device, controller controls alarm and sends high temperature signal to workmen.
Described DC-DC change-over circuit includes the DC-DC controller that power input VIN is connected with power supply input VIN end,
Described DC-DC controller includes that internal drive or external drive, internal drive or external drive are connected to power output end VOUT,
Power output end VOUT connects has resistance R1, resistance R1 by the input port FB of DC-DC controller with DC-DC controller even
Connecing, being connected between resistance R1 and DC-DC controller has numerical control unit；
Described numerical control unit includes that NPN audion Q2, the NPN audion Q2 that the A end of resistance R3 and resistance R3 is connected is connected to drive
Connecting line between the B end of galvanic electricity source CTLB1, resistance R3 with resistance R1 and DC-DC controller is connected, described NPN audion Q2
Base stage with drive power supply CTLB1 be connected, the colelctor electrode of NPN audion Q2 is connected with resistance R3, the emitter stage of NPN audion Q2
Ground connection.
Described cabinet uses cuboid cabinet.
Four seamed edges of cuboid cabinet upper surface are provided with rain cover.Cabinet is both provided with rain cover energy at the periphery above
Enough the most omnibearing rainwater is led away.
Described alarm uses acousto-optic buzzer.After acousto-optic buzzer receives the signal of controller, it is simultaneously emitted by sound
And bright light reports to the police, warning effect is good, more can cause the attention of workmen.
Described leakage switch uses electromagnet leakage switch.
The housing of described cabinet uses corrosion-resistant plastic plate.Use corrosion-resistant plastic plate not only to insulate and be also prevented from cabinet
Corroded, extended the service life of cabinet.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the multipurpose protection equipment water-resistant performance of a kind of voltage of present invention controlable electric current digital control circuit is good, above cabinet
It is provided with rain cover and can lead away rainwater the most comprehensively；
2, the multipurpose protection equipment leakproof good electrical property of a kind of voltage of present invention controlable electric current digital control circuit, is accessing
Being provided with leakage switch at external power source, once leak electricity, leakage switch can turn off so that circuit is open-circuit condition；
3, the multipurpose protection equipment of a kind of voltage of present invention controlable electric current digital control circuit can monitor temperature, cabinet in time
It is internally provided with portion's variations in temperature in temperature sensor monitoring cabinet body at any time.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is electric saw schematic diagram of the present invention.
The parts title of labelling and correspondence in accompanying drawing:
1-cabinet, 2-cabinet doorframe, 3-cabinet door, 4-wire guide, 5-rain cover, 6-leakage switch, 7-temperature sensor, 8-controls
Device, 9-alarm.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As it is shown in figure 1, the multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit, turn including accommodating DC-DC
Changing the cabinet 1 of circuit, cabinet 1 is provided with cabinet doorframe 2, and cabinet doorframe 2 is provided with cabinet door 3, and the both sides of described cabinet 1 are respectively
Being provided with wire guide 4, cabinet 1 upper surface is provided with rain cover 5 along cabinet eaves, and cabinet 1 internally installed has leakage switch 6, described
Leakage switch 6 is connected with external power source by wire guide 4, and cabinet 1 is internally installed temperature sensor 7, and cabinet 1 is outside to be provided with
The controller 8 being connected with temperature sensor 7, described controller 8 connects alarm 9.
The present invention has rainproof, anticreep, and the function of temperature in monitoring DC-DC change-over circuit, wherein cabinet in real time
Rainwater can be led away by the rain cover that upper surface is arranged along cabinet eaves, rainwater will not be made to penetrate in power distribution cabinet, cause the electricity in power distribution cabinet
Gas element short, damage；Leakage switch, for the anticreep effect of power distribution cabinet, is understood certainly when electric current passes through when leakage switch senses
Dynamic circuit breaker is opened, and making circuit is open-circuit condition, will not continue to electric leakage and workmen is caused personal injury；Cabinet is provided with temperature
Sensor, when temperature sensor detects cabinet internal temperature higher than its ultimate value, can pass to control by the signal of high-temperature
Device, controller controls alarm and sends high temperature signal to workmen.
Embodiment 2
Based on embodiment 1, as in figure 2 it is shown, described DC-DC change-over circuit includes power input VIN and power supply input VIN end
The DC-DC controller connected, described DC-DC controller includes that internal drive or external drive, internal drive or external drive are even
It is connected to power output end VOUT, power output end VOUT and connects the input port having resistance R1, resistance R1 to pass through DC-DC controller
FB with DC-DC controller is connected, and being connected between resistance R1 and DC-DC controller has numerical control unit；
Described numerical control unit includes that NPN audion Q2, the NPN audion Q2 that the A end of resistance R3 and resistance R3 is connected is connected to drive
Connecting line between the B end of galvanic electricity source CTLB1, resistance R3 with resistance R1 and DC-DC controller is connected, described NPN audion Q2
Base stage with drive power supply CTLB1 be connected, the colelctor electrode of NPN audion Q2 is connected with resistance R3, the emitter stage of NPN audion Q2
Ground connection.
Embodiment 3
Based on embodiment 1, described cabinet 1 uses cuboid cabinet.
Embodiment 4
Based on above-described embodiment, four seamed edges of cuboid cabinet upper surface are provided with rain cover 5.Cabinet the most all sets
It is equipped with rain cover can the most omnibearing be led away by rainwater.
Embodiment 5
Based on above-described embodiment, described alarm 9 uses acousto-optic buzzer.After acousto-optic buzzer receives the signal of controller,
Being simultaneously emitted by sound and bright light is reported to the police, warning effect is good, more can cause the attention of workmen.
Embodiment 6
Based on above-described embodiment, described leakage switch 6 uses electromagnet leakage switch.Leakage switch refers to that not only it breaks with other
Road device is the same can be switched on or switched off main circuit, and has the function to leakage current test and judgement, when occurring in major loop
When electric leakage or insulation breakdown, the switch element that main circuit can be switched on or switched off by earth leakage circuit-breaker according to judged result.
Embodiment 7
Based on above-described embodiment, the housing of described cabinet 1 uses corrosion-resistant plastic plate.Corrosion-resistant plastic plate is used not only to insulate also
It is possible to prevent cabinet to be corroded, extends the service life of cabinet.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (7)
1. a multipurpose protection equipment for voltage controlable electric current digital control circuit, including accommodating DC-DC change-over circuit
Cabinet (1), cabinet (1) is provided with cabinet doorframe (2), and cabinet doorframe (2) is provided with cabinet door (3), the both sides of described cabinet (1)
It is respectively arranged with wire guide (4), it is characterised in that cabinet (1) upper surface is provided with rain cover (5) along cabinet eaves, cabinet (1) interior
Portion is provided with leakage switch (6), and described leakage switch (6) is connected with external power source by wire guide (4), the internal peace of cabinet (1)
Equipped with temperature sensor (7), cabinet (1) is outside is provided with the controller (8) being connected with temperature sensor (7), described controller
(8) connection has alarm (9).
The multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit the most according to claim 1, it is special
Levying and be, described DC-DC change-over circuit includes the DC-DC controller that power input VIN is connected, institute with power supply input VIN end
State DC-DC controller and include that internal drive or external drive, internal drive or external drive are connected to power output end VOUT, electricity
Source output terminal VOUT connects has resistance R1, resistance R1 to be connected by input port FB and the DC-DC controller of DC-DC controller,
It is connected between resistance R1 and DC-DC controller and has numerical control unit；
Described numerical control unit includes that NPN audion Q2, the NPN audion Q2 that the A end of resistance R3 and resistance R3 is connected is connected to drive
Connecting line between the B end of galvanic electricity source CTLB1, resistance R3 with resistance R1 and DC-DC controller is connected, described NPN audion Q2
Base stage with drive power supply CTLB1 be connected, the colelctor electrode of NPN audion Q2 is connected with resistance R3, the emitter stage of NPN audion Q2
Ground connection.
The multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit the most according to claim 1, it is special
Levying and be, described cabinet (1) uses cuboid cabinet.
The multipurpose protection equipment of a kind of voltage controlable electric current digital control circuit the most according to claim 3, it is special
Levying and be, four seamed edges of cuboid cabinet upper surface are provided with rain cover (5).
5. protect equipment according to the multipurpose of a kind of voltage controlable electric current digital control circuit described in claim 1 or 3, its
Being characterised by, described alarm (9) uses acousto-optic buzzer.
6. protect equipment according to the multipurpose of a kind of voltage controlable electric current digital control circuit described in claim 1 or 3, its
Being characterised by, described leakage switch (6) uses electromagnet leakage switch.
7. protect equipment according to the multipurpose of a kind of voltage controlable electric current digital control circuit described in claim 1 or 3, its
Being characterised by, the housing of described cabinet (1) uses corrosion-resistant plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731470.4A CN106253071A (en) | 2016-08-26 | 2016-08-26 | A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731470.4A CN106253071A (en) | 2016-08-26 | 2016-08-26 | A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106253071A true CN106253071A (en) | 2016-12-21 |
Family
ID=57595579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731470.4A Pending CN106253071A (en) | 2016-08-26 | 2016-08-26 | A kind of multipurpose protection equipment of voltage controlable electric current digital control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106253071A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030111983A1 (en) * | 2001-12-10 | 2003-06-19 | Miller Greg J. | Efficient buck topology DC-DC power stage utilizing monolithic N- channel upper FET and pilot current sensing |
| CN201985759U (en) * | 2011-02-28 | 2011-09-21 | 广州视源电子科技有限公司 | DCDC (direct current direct current) output circuit |
| CN202679050U (en) * | 2012-06-09 | 2013-01-16 | 深圳市清雅科技有限公司 | Communication base station centralized power supply system |
| CN205985795U (en) * | 2016-08-26 | 2017-02-22 | 成都众乐泰科技有限公司 | DC DC converting circuit's protection device based on cycling circuit |
-
2016
- 2016-08-26 CN CN201610731470.4A patent/CN106253071A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030111983A1 (en) * | 2001-12-10 | 2003-06-19 | Miller Greg J. | Efficient buck topology DC-DC power stage utilizing monolithic N- channel upper FET and pilot current sensing |
| CN201985759U (en) * | 2011-02-28 | 2011-09-21 | 广州视源电子科技有限公司 | DCDC (direct current direct current) output circuit |
| CN202679050U (en) * | 2012-06-09 | 2013-01-16 | 深圳市清雅科技有限公司 | Communication base station centralized power supply system |
| CN205985795U (en) * | 2016-08-26 | 2017-02-22 | 成都众乐泰科技有限公司 | DC DC converting circuit's protection device based on cycling circuit |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |