CN108448711A - A kind of illumination switching device - Google Patents
A kind of illumination switching device Download PDFInfo
- Publication number
- CN108448711A CN108448711A CN201810508055.1A CN201810508055A CN108448711A CN 108448711 A CN108448711 A CN 108448711A CN 201810508055 A CN201810508055 A CN 201810508055A CN 108448711 A CN108448711 A CN 108448711A
- Authority
- CN
- China
- Prior art keywords
- switch
- power
- contactor
- power supply
- lighting device
- 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
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- 238000005286 illumination Methods 0.000 title claims abstract description 46
- 230000005611 electricity Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
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- H02J3/386—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Abstract
The invention discloses a kind of illumination switching devices, including first switch and the second switch；First switch is connected with power inverter and lighting device respectively；Second switch is connect with power supply, for when power supply powers off, linkage first switch action to make lighting device work to power on inverter and first switch.When alternating current (power supply) power supply is normal, second switch work, first switch does not work, and the lighting device being connect with first switch is in OFF state；But when power supply power failure, second switch can link first switch action, power on inverter and first switch, lighting device passes through power inverter powered operation (luminous)；Mains-supplied can be automatically switched to power inverter power supply by the device when alternating current powers off by second switch linkage first switch action, without manually opening related switch, so that it may light devices for emergency illumination, improve the operational efficiency of wind power plant.
Description
Technical field
The present invention relates to electric power application field, more particularly to a kind of illumination switching device.
Background technology
Currently, when wind power plant is when mains-supplied powers off, the direct current that itself can only be provided by power inverter
Electricity is converted to the alternating current of alternating current offer, then by the switch of the manually opened control emergency lighting lamp of personnel, could realize just
The often switching between illumination and emergency lighting, that is to say, that when alternating current powers off, can not normal illumination be switched to accident automatically
Illumination, influences the operational efficiency of wind power plant.
It can be seen that how to realize when alternating current powers off, normal illumination is switched to emergency lighting automatically, improves wind-force hair
The operational efficiency of electric field is those skilled in the art's urgent problem to be solved.
Invention content
The embodiment of the present application provides a kind of illumination switching device, to solve in the prior art when alternating current powers off, automatically
The problem of normal illumination is switched to emergency lighting, improves the operational efficiency of wind power plant.
In order to solve the above technical problems, the present invention provides a kind of illumination switching device, including first switch and second is opened
It closes；The first switch is series between power inverter and lighting device；One end of the second switch connects with power supply
It connects, the other end is connect with the first switch, for the first switch action that when the power supply powers off, links to connect
Leading to the power inverter and the first switch makes the lighting device work.
Preferably, the first switch is specially the normally opened contact of first contactor, and the normally opened of the first contactor touches
Point is series between the power inverter and the lighting device.
Preferably, further include being used for when described with the concatenated overcurrent protector of the lighting device, the overcurrent protector
When the current value of power inverter output is more than first threshold, the company between the lighting device and the first contactor is cut off
It connects.
Preferably, the second switch is specially the normally-closed contact of second contactor, and the normally closed of the second contactor is touched
Point is series between the power inverter and the first contactor, the coil of the second contactor and the power supply
Connection.
Preferably, further include the earth leakage protective device being connect with the power inverter, the earth leakage protective device is for when inspection
When measuring the leakage current of the power inverter more than second threshold, the switch of the power inverter is disconnected.
Preferably, further include the warning device being connect with the second switch, the warning device is for working as the power supply
When power cut-off, alarm.
Preferably, the number of the lighting device is multiple.
Preferably, the power inverter is specially power converter.
Compared with the prior art, a kind of illumination switching device provided by the present invention, including first switch and the second switch；
First switch is connected with power inverter and lighting device respectively；Second switch is connect with power supply, for working as power supply
When power-off, linkage first switch action makes lighting device work to power on inverter and first switch.It can be seen that this is cut
When alternating current (power supply) power supply is normal, second switch works changing device at this time, connection normal illumination device, and first switch
It does not work, the lighting device (devices for emergency illumination) being connect with first switch does not work, that is, is in OFF state；But when power supply electricity
When the power failure of source, at this time second switch can link first switch action, power on inverter and first switch, make power supply inverse
It is the power illuminating device that is connect with first switch to become device, and then makes lighting device work (luminous), the illumination switching device,
Mains-supplied is automatically switched to power inverter and supplied by the first switch action that can be linked by second switch when alternating current powers off
Electricity, without manually opening related switch, so that it may light devices for emergency illumination, realize the automatic switchover of emergency lighting, in turn
Improve the operational efficiency of wind power plant.
Description of the drawings
A kind of illumination switching device application structure composition schematic diagram that Fig. 1 is provided by the embodiment of the present invention；
A kind of illumination switching device overall structure electrical schematic diagram that Fig. 2 is provided by the embodiment of the present invention.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained without making creative work it is all its
Its embodiment, shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of illumination switching device, can solve in the prior art when alternating current powers off, from
Dynamic the problem of normal illumination is switched to emergency lighting, improves the operational efficiency of wind power plant.
In order to make those skilled in the art more fully understand the solution of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
The present invention is described in further detail for formula.
A kind of illumination switching device application structure composition schematic diagram that Fig. 1 is provided by the embodiment of the present invention, such as Fig. 1 institutes
Show, which includes first switch 101, second switch 102；In practical applications, it is inverse to be series at power supply for first switch 101
Become between device 103 and lighting device 105；One end of second switch 102 is connect with power supply 104, the other end and first switch
101 connections, for when power supply 104 powers off, the linkage action of first switch 101 to be to power on inverter 103 and first
Switch 101 makes lighting device 105 work.In the embodiment of the present application, second switch 102 is connect with power supply 104, works as alternating current
When (power supply 104) power supply is normal, second switch 102 works, the normal illumination device work at this moment connected with second switch 102
It shines, the first switch 101 being connect with power inverter 103 is not switched on, and lighting device 105 (devices for emergency illumination) is in
OFF state.When mains-supplied powers off, second switch 102 can link the action of first switch 101 at this time, and then can connect electricity
Connection between source inventer 103 and first switch 101, and then the lighting device being connect with first switch 101 105 is made to light,
Lighting device 105 refers to devices for emergency illumination in the embodiment of the present application, i.e., the lighting device lighted is needed when alternating current powers off；
Lighting device just refers to light bulb；First switch 101 and second switch 102 select contactor, naturally it is also possible to select other symbols
The switching device of conjunction condition, such as relay, the embodiment of the present invention do not limit.In practical applications, of lighting device 105
Number can be multiple.
Power inverter 103 is a kind of device that direct current can be converted to alternating current identical with alternating current, for general
Electric appliance uses, and can also be considered as a kind of for electric installation.Preferably power inverter 103 can be power converter, electric power
Inverter has the characteristics that start speed soon and converts efficient.Illumination switching device provided by the present invention, can pass through
The automatic switchover that normal illumination is shone with accident is realized in cooperation between first switch 101 and second switch 102, improves wind-power electricity generation
The operational efficiency of field.
First switch 101 and second switch 102 are intended merely to distinguish different switches and are named according to custom and hobby
, there is no other particular meanings, and certainly, the naming method of first switch 101 and second switch 102 can't influence the application
The realization of embodiment.
A kind of illumination switching device that the embodiment of the present invention is provided, including first switch and the second switch；First switch
It connects respectively with power inverter and lighting device；Second switch is connect with power supply, for when power supply powers off, joining
Dynamic first switch action makes lighting device work to power on inverter and first switch.It can be seen that the switching device is worked as
When alternating current (power supply) power supply is normal, second switch works at this time, connects normal illumination device, and first switch does not work,
The lighting device (devices for emergency illumination) being connect with first switch does not work, that is, is in OFF state；But when power supply is powered
When interruption, second switch can link first switch action at this time, power on inverter and first switch, allow the power inverter to be
The power illuminating device being connect with first switch, and then the lighting device is made to work (luminous), the illumination switching device, in alternating current
Mains-supplied is automatically switched to power inverter power supply by the first switch action that can be linked by second switch when power-off, is not necessarily to
Manually open related switch, so that it may light devices for emergency illumination, realize the automatic switchover of emergency lighting, and then improve wind
The operational efficiency of power generating field.
A kind of illumination switching device overall structure electrical schematic diagram that Fig. 2 is provided by the embodiment of the present invention, such as Fig. 2 institutes
To show, a kind of illumination switching device overall structure that Fig. 2 is provided is optimal embodiment, on the basis of the above embodiments,
Preferably embodiment, first switch 101 are specially the normally opened contact K1 of first contactor 201, first contactor 201
Normally opened contact K1 is series between power inverter 103 and lighting device 105.Second switch 102 is specially second contactor 202
Normally-closed contact K2, the normally-closed contact K2 of second contactor 202 is series between power inverter 103 and first contactor 201,
The coil Q2 of second contactor 202 is connect with power supply 104.
First switch 101 is preferably the normally opened contact K1 of first contactor 201, second switch in the embodiment of the present application
102 preferably 202 normally-closed contact K2 of second contactor, contactor is easy to use and cost is relatively low.In practical applications, such as Fig. 2
Shown, the coil Q2 of second contactor 202 is connect with power supply 104, one end of the normally-closed contact K2 of second contactor 202 with
The anode connection of power inverter 103, the other end are connect with the coil Q1 of first contactor 201；First contactor 201 it is normally opened
Contact one end K1 is connect with power inverter 103, and the other end is connect with lighting device 105；It is in fact to deposit in a contactor
In normally opened contact and there is also normally-closed contacts, in fig. 2 in order to illustrate problem, are only depicted in first contactor 201 normally opened
Contact K1, is not drawn into normally-closed contact；Normally-closed contact K2 is only depicted in second contactor 202, is not drawn into normally opened contact；Work as alternating current
Power supply is normal, and the coil Q2 electrifications of second contactor 202, the normally opened contact of second contactor 202 is closed, connects with the normally opened contact
The normal illumination device work connect, but the normally-closed contact K2 of second contactor 202 is disconnected at this time passes through normally-closed contact K2 and the
The coil Q1 dead electricity of the first contactor 201 of two contactors 202 connection, the normally opened contact K1 of first contactor 201, which is in, to be disconnected
State, the lighting device 105 being connect with normally opened contact K1 are in OFF state.When mains-supplied powers off, second contactor 202
Coil Q2 dead electricity, corresponding normally-closed contact K2 is closed, and power inverter 103 is the power supply of first contactor 201, first contactor
201 coil Q1 electrifications, corresponding normally opened contact K1 are closed, the illumination being connect with power inverter 103 by normally opened contact K1
Device work shines, that is, realizes the automatic switchover between normal illumination and emergency lighting.When contactor coil is not charged, in disconnected
The contact of open state is known as normally opened contact, and the contact in closed state is known as normally-closed contact；Normally opened contact is after coil energization
It closes, normally-closed contact disconnects after coil energization.
It is understood that first switch 101 and second switch 102 can also select other than it can select contactor
With qualified other devices, the present invention does not limit.First switch 101 and second switch 102 are intended merely to difference not
Same switch is named according to custom and hobby, and there is no other particular meanings, and certainly, first switch 101 and second is opened
The naming method and type of pass 102 can't influence the realization of the embodiment of the present application.
The electric current that power inverter 103 provides in order to prevent is excessive, lighting device 105 is burnt out, in the base of above-described embodiment
On plinth, preferably embodiment, further includes being used to work as with 105 concatenated overcurrent protector of lighting device, overcurrent protector
When the current value that power inverter 103 exports is more than first threshold, cut off between lighting device 105 and first contactor 201
Connection.First threshold is set in advance, and how much be specifically set as properly can determines according to actual conditions, and the present invention does not limit
It is fixed.
It is on the basis of the above embodiments, preferably real in order to prevent because accident occurs for the electric leakage of power inverter 103
Mode is applied, further includes the earth leakage protective device being connect with power inverter 103, earth leakage protective device, which is used to work as, detects power inverter
When 103 leakage current is more than second threshold, the switch of deenergization inverter 103.
When detecting that electric leakage occurs for the shell of power inverter 103 and leakage current is more than second threshold, earth leakage protective
The automatic switch of device is threaded off, inverter 103 of cutting off the power.Second threshold is set in advance, and is specifically set as how much properly may be used
Determines according to actual conditions, the present invention does not limit.
When alternating current powers off, in order to allow the relevant personnel to know power blackout situation in time, on the basis of the above embodiments, as
It is preferably carried out mode, further includes the warning device being connect with second switch 102, warning device is used for when power supply 104 is disconnected
When electric, alarm.
A kind of illumination switching device provided by the present invention is described in detail above.Several examples are used herein
Principle and implementation of the present invention are described, the explanation of above example, is merely used to help understand the present invention's
Method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the content of the present specification should not be construed as limiting the invention, this
Field technology personnel, under the premise of no creative work, to modification, equivalent replacement, improvement etc. that the present invention is made,
Should include in this application.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One operation is distinguished with another operation, without necessarily requiring or implying there are any between these entities or operation
This actual relationship or sequence.Moreover, the similar word such as term " comprising " so that unit, equipment including a series of elements
Or system includes not only those elements, but also include other elements that are not explicitly listed, or further include for this list
Member, equipment or the intrinsic element of system.
Claims (8)
1. a kind of illumination switching device, which is characterized in that including first switch and the second switch；The first switch is series at electricity
Between source inventer and lighting device；One end of the second switch is connect with power supply, the other end and the first switch
Connection, for when the power supply power off, the first switch that links is acted to connect the power inverter and described
First switch makes the lighting device work.
2. illumination switching device according to claim 1, which is characterized in that the first switch is specially first contactor
Normally opened contact, the normally opened contact of the first contactor is series between the power inverter and the lighting device.
3. illumination switching device according to claim 2, which is characterized in that further include and the concatenated mistake of the lighting device
Protector is flowed, the overcurrent protector is used to, when the current value that the power inverter exports is more than first threshold, cut off institute
State the connection between lighting device and the first contactor.
4. illumination switching device according to claim 2, which is characterized in that the second switch is specially second contactor
Normally-closed contact, the normally-closed contact of the second contactor is series between the power inverter and the first contactor,
The coil of the second contactor is connect with the power supply.
5. illumination switching device according to claim 1, which is characterized in that further include being connect with the power inverter
Earth leakage protective device, the earth leakage protective device are used for when detecting that the leakage current of the power inverter is more than second threshold,
Disconnect the switch of the power inverter.
6. illumination switching device according to claim 1, which is characterized in that further include the report being connect with the second switch
Alarm device, the warning device are used for when the power supply powers off, alarm.
7. illumination switching device according to claim 1, which is characterized in that the number of the lighting device is multiple.
8. the illumination switching device according to claim 1 to 7 any one, which is characterized in that the power inverter utensil
Body is power converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508055.1A CN108448711A (en) | 2018-05-24 | 2018-05-24 | A kind of illumination switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810508055.1A CN108448711A (en) | 2018-05-24 | 2018-05-24 | A kind of illumination switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108448711A true CN108448711A (en) | 2018-08-24 |
Family
ID=63205478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810508055.1A Pending CN108448711A (en) | 2018-05-24 | 2018-05-24 | A kind of illumination switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515481A (en) * | 2018-10-25 | 2019-03-26 | 交控科技股份有限公司 | A kind of circuit, the train of the not parking auto-changeover control power of ATP and LKJ |
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|---|---|---|---|---|
| CN201478875U (en) * | 2009-08-25 | 2010-05-19 | 苏州柳溪机电工程有限公司 | Double-power automatic conversion cabinet |
| CN202004527U (en) * | 2011-01-31 | 2011-10-05 | 沈阳全密封变压器股份有限公司 | Automatic double-power supply fan control box |
| CN103887874A (en) * | 2014-03-12 | 2014-06-25 | 国家电网公司 | Emergency lighting automatic switchover and alternating current default phase warning device for transformer substation |
| CN203813508U (en) * | 2014-03-12 | 2014-09-03 | 国家电网公司 | Emergency lighting automatic switching and AC phase loss warning device for transformer station |
| CN204425033U (en) * | 2015-03-18 | 2015-06-24 | 北京国电光宇机电设备有限公司 | A kind of emergency lighting automatic switchover system |
| CN204858724U (en) * | 2015-07-21 | 2015-12-09 | 国家电网公司 | Hand over automatic switching device of DC power supply |
| CN105958633A (en) * | 2016-06-22 | 2016-09-21 | 中航太克（厦门）电力技术股份有限公司 | Two-way power supply automatic switching power supply circuit |
| CN208369304U (en) * | 2018-05-24 | 2019-01-11 | 华润新能源（连州）风能有限公司 | A kind of illumination switching device |
-
2018
- 2018-05-24 CN CN201810508055.1A patent/CN108448711A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478875U (en) * | 2009-08-25 | 2010-05-19 | 苏州柳溪机电工程有限公司 | Double-power automatic conversion cabinet |
| CN202004527U (en) * | 2011-01-31 | 2011-10-05 | 沈阳全密封变压器股份有限公司 | Automatic double-power supply fan control box |
| CN103887874A (en) * | 2014-03-12 | 2014-06-25 | 国家电网公司 | Emergency lighting automatic switchover and alternating current default phase warning device for transformer substation |
| CN203813508U (en) * | 2014-03-12 | 2014-09-03 | 国家电网公司 | Emergency lighting automatic switching and AC phase loss warning device for transformer station |
| CN204425033U (en) * | 2015-03-18 | 2015-06-24 | 北京国电光宇机电设备有限公司 | A kind of emergency lighting automatic switchover system |
| CN204858724U (en) * | 2015-07-21 | 2015-12-09 | 国家电网公司 | Hand over automatic switching device of DC power supply |
| CN105958633A (en) * | 2016-06-22 | 2016-09-21 | 中航太克（厦门）电力技术股份有限公司 | Two-way power supply automatic switching power supply circuit |
| CN208369304U (en) * | 2018-05-24 | 2019-01-11 | 华润新能源（连州）风能有限公司 | A kind of illumination switching device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515481A (en) * | 2018-10-25 | 2019-03-26 | 交控科技股份有限公司 | A kind of circuit, the train of the not parking auto-changeover control power of ATP and LKJ |
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