CN104391520A - Safe and energy-saving cooling device for power distribution cabinet - Google Patents
Safe and energy-saving cooling device for power distribution cabinet Download PDFInfo
- Publication number
- CN104391520A CN104391520A CN201410584879.9A CN201410584879A CN104391520A CN 104391520 A CN104391520 A CN 104391520A CN 201410584879 A CN201410584879 A CN 201410584879A CN 104391520 A CN104391520 A CN 104391520A
- Authority
- CN
- China
- Prior art keywords
- distribution cabinet
- energy
- power distribution
- fan
- power
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a safe and energy-saving cooling device for a power distribution cabinet, which is characterized by comprising an opening and closing-type current transformer (1), a rectifier circuit (2) and a fan (3), wherein the secondary side of the opening and closing-type current transformer (1) is connected with the AC input end of the rectifier circuit (2); and the DC output end of the rectifier circuit (2) is connected with the power end of the fan (3). Compared with the prior art, energy can be obtained in an electromagnetic induction mode, the fan is driven to rotate, a heating element inside the power distribution cabinet is locally cooled, automatic rotation and cooling are realized only by clamping and hanging the device in a power-on circuit of the heating element, abnormal loss and hidden fire dangers caused by heating of the element inside the cabinet can be effectively prevented, false tripping accidents caused by heating of a wiring column of a circuit breaker can be also prevented, operation reliability, safety and energy conservation of the power distribution cabinet are greatly improved, and the use is excessively convenient.
Description
Technical field
The present invention relates to a kind of power equipment heat dissipation equipment, especially relate to a kind of power distribution cabinet energy-saving safe heat abstractor.
Background technology
The line of the low-voltage distribution apparatus such as low-voltage distribution cabinet, box-type substation is arranged, cable is large due to current density, is the position occurred frequently of abnormal heating.Once heating can cause surface of contact to be oxidized aggravation, thus increase contact resistance and heating is increased further, finally cause surface of contact to burn out completely, these generate heat none not to increase electric energy loss for cost, sometimes also can cause the accident of fire or switch trip.Because low-voltage distribution loop current density is large, heating problem is difficult to overcome, if can heat dissipation be had, dispel the heat for higher temperature or the larger region of current density or connector, then effectively can contain the fever development impetus, reduce contact resistance, thus reduction electric energy loss, and eliminate because of the fire safety evaluating hidden danger caused of generating heat.
Prior art adopts and increases louvre, install radiator fan additional even installs the means of air-conditioning additional to reduce heating hidden danger at switchgear building, but these scheme limitation are also very large, first be heat radiation less pertinence, in power distribution cabinet, heating position is generally the connecting portions such as cable splice, wiring pile crown, isolating switch, these positions are once heating temperature rise is very high, other positions seldom generate heat, and integral installation fan or air-conditioning have little significance for high temperature exothermic locally, and turn increase a large amount of energy consumption; Next installs inconvenient, and above-mentioned means all need to be installed by wiring, perforate, the mode such as fixing, and many times also by power distribution cabinet power cut construction, must install inconvenience to take precautions against electric shock, practicality is poor.
Summary of the invention
Object of the present invention be exactly provide to overcome defect that above-mentioned prior art exists a kind of easy for installation, without the need to power cut construction, power distribution cabinet energy-saving safe heat abstractor that operation energy consumption is low, the energy-saving safe of power distribution cabinet is run and brings great help.
Object of the present invention can be achieved through the following technical solutions:
A kind of power distribution cabinet energy-saving safe heat abstractor, it is characterized in that, comprise open-close type current transformer, rectification circuit and fan, the secondary side of described open-close type current transformer is connected with the ac input end of rectification circuit, and the DC output end of described rectification circuit is connected with the power end of fan.DC output end or the ac input end of described rectification circuit are parallel with temperature switch.
The DC output end of described rectification circuit is parallel with filter capacitor, and ac input end is parallel with overvoltage protection device.
Compared with prior art, the present invention is simply ingenious, it utilizes current field to get energy principle, energy is obtained by way of electromagnetic induction, drive fan operates, to the heat radiation of power distribution cabinet internal heat generation element local, this product design is close to split-core type meter, only needing to be clamped hangs on the power circuit of heater element, just can operate heat radiation voluntarily, without the need to any wiring, also without the need to any fixing, the installation processes such as perforate, do not need to have a power failure and install, its operation energy consumption is from the stray magnetic field energy of wire, therefore oneself power consumption is extremely low, but abnormal wear and disaster hidden-trouble that in cabinet, element heating produces can effectively be taken precautions against, can also take precautions against because breaker connection post generates heat the mistrip accident caused, drastically increase the operational reliability of power distribution cabinet, security and energy saving, use also very convenient.Successful Application of the present invention inherently brings significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, for the physical circuit figure of the embodiment of the present invention, comprise open-close type current transformer 1, rectification circuit 2 and fan 3, the secondary side of open-close type current transformer 1 is connected with the ac input end of rectification circuit 2, and the DC output end of rectification circuit 2 is connected with the power end of fan 3.The DC output end of rectification circuit 2 also can parallel filtering electric capacity 4, and ac input end also can overvoltage protection device 5 in parallel.In addition the DC output end of rectification circuit 2 or ac input end can also temperature switches 6 in parallel.
When the present invention uses, by on wire larger for open-close type current transformer 1 clamp electric current in power distribution cabinet or connection row, alternating magnetic field around high-current conductor just can be sensed secondary side by such mutual inductor, a less alternating current is produced at secondary side, become DC current rear drive fan 3 through the rectification of rectification circuit 2 to rotate, thus play the effect of local radiating and cooling.Because in cabinet, the heating power of electric elements is doubly directly proportional to current squaring, therefore electric current is larger, and rotation speed of the fan is faster, automatically can keep the stability of radiating effect.The DC output end of rectification circuit 2 is also parallel with filter capacitor 4, and energy smoothing current waveform, makes fan running more steady.The ac input end of rectification circuit 2 also can overvoltage protection device 5 in parallel, and the mutual inductor that just can prevent from mutual inductor secondary side from opening a way like this causing when fan failure is opened a way damages.For further saves energy, mutual inductor secondary side of the present invention temperature switch 6, when the temperature is low automatic short circuit mutual inductor in parallel, stoppage in transit fan, restarts fan time higher to temperature.
Beneficial effect of the present invention is: the present invention is simply ingenious, it utilizes current field to get energy principle, energy is obtained by way of electromagnetic induction, drive instrument fan running, to the heat radiation of power distribution cabinet internal heat generation element local, this product design is close to split-core type meter, only needing to be clamped hangs on the power circuit of heater element, just can operate heat radiation voluntarily, without the need to any wiring, also without the need to any fixing, the installation processes such as perforate, do not need to have a power failure and install, its operation energy consumption is from the stray magnetic field energy of wire, therefore oneself power consumption is extremely low, but abnormal wear and disaster hidden-trouble that in cabinet, element heating produces can effectively be taken precautions against, can also take precautions against because breaker connection post generates heat the mistrip accident caused, drastically increase the operational reliability of power distribution cabinet, security and energy saving, use also very convenient.Successful Application of the present invention inherently brings significant economic benefit and social benefit.
It should be noted that; the above embodiments are all in order to the present invention instead of restriction the present invention are described; also suitable external circuit can be increased or control assembly optimizes its performance etc. further; obviously; many technical characteristics of the present invention are interchangeable or omit; the setting of many elements can change as required, and the "a" or "an" before element of the present invention is not got rid of and occurred multiple this element, and these changes all should belong to protection scope of the present invention.
Claims (2)
1. a power distribution cabinet energy-saving safe heat abstractor, it is characterized in that, comprise open-close type current transformer (1), rectification circuit (2) and fan (3), the secondary side of described open-close type current transformer (1) is connected with the ac input end of rectification circuit (2), and the DC output end of described rectification circuit (2) is connected with the power end of fan (3).The DC output end of described rectification circuit (2) or ac input end are parallel with temperature switch (6).
2. a kind of power distribution cabinet energy-saving safe heat abstractor according to claim 1; it is characterized in that; the DC output end of described rectification circuit (2) is parallel with filter capacitor (4), and ac input end is parallel with overvoltage protection device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584879.9A CN104391520A (en) | 2014-10-27 | 2014-10-27 | Safe and energy-saving cooling device for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584879.9A CN104391520A (en) | 2014-10-27 | 2014-10-27 | Safe and energy-saving cooling device for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104391520A true CN104391520A (en) | 2015-03-04 |
Family
ID=52609437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410584879.9A Pending CN104391520A (en) | 2014-10-27 | 2014-10-27 | Safe and energy-saving cooling device for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104391520A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036934A (en) * | 2021-05-31 | 2021-06-25 | 沈阳微控新能源技术有限公司 | Flywheel energy storage system and cooling method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD127974A1 (en) * | 1976-09-20 | 1977-10-26 | Reinhard Schwarz | CIRCUIT ARRANGEMENT FOR CONTROLLING VENTILATION OF TRANSFORMER STATIONS |
| JPH05153715A (en) * | 1991-11-27 | 1993-06-18 | Toshiba Corp | Cooler for phase isolated bus |
| CN101202161A (en) * | 2007-10-24 | 2008-06-18 | 钱维忠 | Open/close current transformer |
| CN101447328A (en) * | 2008-09-12 | 2009-06-03 | 郑元豹 | Open-close type current transformer |
| JP2010071590A (en) * | 2008-09-19 | 2010-04-02 | Sanyo Electric Co Ltd | Refrigerating device |
| CN201946882U (en) * | 2010-07-02 | 2011-08-24 | 赵章明 | Energy-saving switch cabinet |
| CN102944264A (en) * | 2012-11-22 | 2013-02-27 | 张健 | Contact type transmission line integrated monitoring system with supercapacitor for power storing and charging |
| CN203260920U (en) * | 2013-04-09 | 2013-10-30 | 上海上京电气集团有限公司 | High-voltage switchgear capable of cooling and dehumidifying |
| CN103457168A (en) * | 2012-05-28 | 2013-12-18 | 成都振中电气有限公司 | High-voltage cable distribution box with dehumidifying and radiating functions |
| CN203690745U (en) * | 2013-09-26 | 2014-07-02 | 国家电网公司 | Heat dissipating and dustproof distribution box |
-
2014
- 2014-10-27 CN CN201410584879.9A patent/CN104391520A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD127974A1 (en) * | 1976-09-20 | 1977-10-26 | Reinhard Schwarz | CIRCUIT ARRANGEMENT FOR CONTROLLING VENTILATION OF TRANSFORMER STATIONS |
| JPH05153715A (en) * | 1991-11-27 | 1993-06-18 | Toshiba Corp | Cooler for phase isolated bus |
| CN101202161A (en) * | 2007-10-24 | 2008-06-18 | 钱维忠 | Open/close current transformer |
| CN101447328A (en) * | 2008-09-12 | 2009-06-03 | 郑元豹 | Open-close type current transformer |
| JP2010071590A (en) * | 2008-09-19 | 2010-04-02 | Sanyo Electric Co Ltd | Refrigerating device |
| CN201946882U (en) * | 2010-07-02 | 2011-08-24 | 赵章明 | Energy-saving switch cabinet |
| CN103457168A (en) * | 2012-05-28 | 2013-12-18 | 成都振中电气有限公司 | High-voltage cable distribution box with dehumidifying and radiating functions |
| CN102944264A (en) * | 2012-11-22 | 2013-02-27 | 张健 | Contact type transmission line integrated monitoring system with supercapacitor for power storing and charging |
| CN203260920U (en) * | 2013-04-09 | 2013-10-30 | 上海上京电气集团有限公司 | High-voltage switchgear capable of cooling and dehumidifying |
| CN203690745U (en) * | 2013-09-26 | 2014-07-02 | 国家电网公司 | Heat dissipating and dustproof distribution box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036934A (en) * | 2021-05-31 | 2021-06-25 | 沈阳微控新能源技术有限公司 | Flywheel energy storage system and cooling method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102361295A (en) | Structure of copper-aluminum composite conductor bus duct | |
| CN204155741U (en) | A kind of novel Power Plant Main Transformer | |
| CN205622116U (en) | Low -voltage distribution intelligent control cabinet | |
| CN203645309U (en) | Three-phase motor overcurrent protection device | |
| CN104391520A (en) | Safe and energy-saving cooling device for power distribution cabinet | |
| CN204696702U (en) | Grid-connected distribution box | |
| CN205141413U (en) | Energy -conserving switch board of security | |
| CN204241921U (en) | A kind of temperature controller of dry type transformer with dead electricity warning function | |
| CN106154205A (en) | Multifunctional electric energy metering Site Detection load box | |
| CN205195244U (en) | A safe combined floodgate system for 10kV reducing transformer | |
| CN104113037A (en) | Wireless intelligent power supply management device | |
| CN204131220U (en) | Intelligent micro direct current operative power source | |
| CN204243586U (en) | A kind of armored withdraw type closed switch cabinet | |
| CN203287797U (en) | Novel transformer intelligent cooling device | |
| CN103076102A (en) | Main loop overheat automatic protection and fault diagnosis device for switch cabinet | |
| CN202002956U (en) | Prepayment electric energy meter capable of identifying malignant load | |
| CN206412758U (en) | Arc-control device and electric power system | |
| CN104238590A (en) | Novel intelligent cooling device of transformer | |
| CN205791558U (en) | A kind of assembly of power distribution cabinet power factor compensation | |
| CN205749696U (en) | A kind of have the Temperature Controller for Dry-Type Transformer renovated | |
| CN205070191U (en) | A damp device is driven to integral type for switch operation of transformer substation case | |
| CN204205555U (en) | A kind of protective device for low voltage electric network | |
| CN204462372U (en) | Multifunctional electric energy metering Site Detection load box | |
| CN204792666U (en) | Fuse -element malfunction alerting ware | |
| CN203218861U (en) | Variable frequency electromotor protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
|
| RJ01 | Rejection of invention patent application after publication |