CN208369304U - A kind of illumination switching device - Google Patents
A kind of illumination switching device Download PDFInfo
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- CN208369304U CN208369304U CN201820789518.1U CN201820789518U CN208369304U CN 208369304 U CN208369304 U CN 208369304U CN 201820789518 U CN201820789518 U CN 201820789518U CN 208369304 U CN208369304 U CN 208369304U
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- switch
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- contactor
- power supply
- lighting device
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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
Abstract
The utility model 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 power-off, linkage first switch movement 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 connecting with first switch is in OFF state;But when power supply power failure, second switch can link first switch movement, 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 second switch linkage first switch movement when alternating current is powered off by the device, 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 utility model relates to electric power application field, in particular to a kind of illumination switching device.
Background technique
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, is just able to achieve just
The often switching between illumination and emergency lighting, that is to say, that in alternating current power-off, normal illumination can not be switched to accident automatically
Illumination, influences the operational efficiency of wind power plant.
It can be seen that how to realize in alternating current power-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.
Utility model 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 utility model provides a kind of illumination switching device, including first switch and
Two switches;The first switch is series between power inverter and lighting device;One end of the second switch and power supply electricity
Source connection, the other end are connect with the first switch, for the first switch movement that when power supply power-off, links
The lighting device is set to work to connect the power inverter and the first switch.
Preferably, the first switch is specially the normally opened contact of first contactor, the normally opened touching of the first contactor
Point is series between the power inverter and the lighting device.
It preferably, further include being used for the concatenated overcurrent protector of the lighting device, the overcurrent protector when described
When the current value of power inverter output is greater 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, the normally closed touching of the second contactor
Point is series between the power inverter and the first contactor, the coil of the second contactor and the power supply
Connection.
It preferably, further include the earth leakage protective device being connect with the power inverter, the earth leakage protective device is used for when inspection
When measuring the leakage current of the power inverter more than second threshold, the switch of the power inverter is disconnected.
It preferably, further include the warning device being connect with the second switch, the warning device is used to work as the power supply
When power cut-off, warning note.
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 utility model, including first switch and second
Switch;First switch is connected with power inverter and lighting device respectively;Second switch is connect with power supply, for when power supply
When power cut-off, linkage first switch movement makes lighting device work to power on inverter and first switch.It can be seen that
When alternating current (power supply) power supply is normal, second switch works the switching device at this time, connection normal illumination device, and first
Switch does not work, and the lighting device (devices for emergency illumination) connecting with first switch does not work, that is, is in OFF state;But works as and supply
When electric power supply power supply is interrupted, second switch can link first switch movement at this time, power on inverter and first switch, allow electricity
Source inventer is the power illuminating device connecting with first switch, and then the lighting device is made to work (luminous), illumination switching
Mains-supplied is automatically switched to power inverter by device, the first switch movement that can be linked by second switch in alternating current power-off
Device power supply, without manually opening related switch, so that it may devices for emergency illumination is lighted, realizes the automatic switchover of emergency lighting,
And then improve the operational efficiency of wind power plant.
Detailed description of the invention
Fig. 1 is a kind of illumination switching device application structure composition schematic diagram provided by the utility model embodiment;
Fig. 2 is a kind of illumination switching device overall structure electrical schematic diagram provided by the utility model embodiment.
Specific embodiment
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 description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of illumination switching device, can solve and powers off in the prior art in alternating current
When, the problem of normal illumination is switched to emergency lighting automatically, improves the operational efficiency of wind power plant.
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand the embodiment of the utility model
Applying mode, the utility model is described in further detail.
Fig. 1 is a kind of illumination switching device application structure composition schematic diagram provided by the utility model embodiment, such as Fig. 1
Shown, which includes first switch 101, second switch 102;In practical applications, first switch 101 is series at power supply
Between inverter 103 and lighting device 105;One end of second switch 102 is connect with power supply 104, and the other end is opened with first
101 connections are closed, for when power supply 104 powers off, the movement of linkage first switch 101 to be to power on inverter 103 and the
One 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 city
When electric (power supply 104) power supply is normal, second switch 102 works, the normal illumination device at this moment connected with second switch 102
Work shines, and the first switch 101 connecting with power inverter 103 is not switched on, at lighting device 105 (devices for emergency illumination)
In OFF state.When mains-supplied power-off, second switch 102 can link the movement of first switch 101 at this time, and then can connect
Connection between power inverter 103 and first switch 101, and then make 105 points of lighting device connect with first switch 101
Bright, lighting device 105 refers to devices for emergency illumination in the embodiment of the present application, i.e., the illumination dress for needing to light when alternating current powers off
It sets;Lighting device just refers to light bulb;First switch 101 and second switch 102 select contactor, naturally it is also possible to select other
Qualified switching device, such as relay, the utility model embodiment is without limitation.In practical applications, 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 power supply unit.Preferably power inverter 103 can be power converter, electric power
Inverter has the characteristics that start speed fastly and converts high-efficient.Illumination switching device provided by the utility model, can be with
Normal illumination and the automatic switchover that accident is shone are realized by the cooperation between first switch 101 and second switch 102, improve wind-force
The operational efficiency of generating field.
First switch 101 and second switch 102 are intended merely to distinguish different switches and are named according to habit and hobby
, there is no other particular meanings, and certainly, the naming method of first switch 101 and second switch 102 will not influence the application
The realization of embodiment.
A kind of illumination switching device provided by the utility model embodiment, 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 powering off when power supply
When, linkage first switch movement makes lighting device work to power on inverter and first switch.It can be seen that the switching fills
It sets when alternating current (power supply) power supply is normal, second switch works at this time, connection normal illumination device, and the non-work of first switch
Make, the lighting device (devices for emergency illumination) connecting with first switch does not work, that is, is in OFF state;But when power supply supplies
When electricity interrupts, second switch can link first switch movement at this time, power on inverter and first switch, allow power inverter
For the power illuminating device connecting with first switch, and then the lighting device is made to work (luminous), the illumination switching device, in city
Mains-supplied is automatically switched to power inverter and powered by the first switch movement that can be linked by second switch when electricity power-off, nothing
Related switch need to manually be opened, so that it may light devices for emergency illumination, realize the automatic switchover of emergency lighting, and then improve
The operational efficiency of wind power plant.
Fig. 2 is a kind of illumination switching device overall structure electrical schematic diagram provided by the utility model embodiment, such as Fig. 2
Shown, a kind of illumination switching device overall structure provided by Fig. 2 is optimal embodiment, on the basis of above-described embodiment
On, 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 the second contact
The normally-closed contact K2 of the normally-closed contact K2 of device 202, second contactor 202 are series at power inverter 103 and first contactor 201
Between, 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 order to illustrate problem in Fig. 2, only depict 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, the coil Q2 electrification of second contactor 202, and the normally opened contact closure of second contactor 202 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 power loss 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 connecting with normally opened contact K1 are in OFF state.When mains-supplied power-off, second contactor 202
Coil Q2 power loss, corresponding normally-closed contact K2 closure, power inverter 103 is that first contactor 201 is powered, first contactor
201 coil Q1 electrification, corresponding normally opened contact K1 closure, the illumination being connect by normally opened contact K1 with power inverter 103
Device work shines, i.e. automatic switchover between realization 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 utility model and without limitation.First switch 101 and second switch 102 are intended merely to area
Not different switches is named according to habit and hobby, and there is no other particular meanings, certainly, first switch 101 and the
The naming method and type of two switches 102 will not 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 the concatenated overcurrent protector of lighting device 105, overcurrent protector
When the current value that power inverter 103 exports is greater 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 utility model is not
It limits.
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 power inverter 103 is disconnected.
When electric leakage occurs for the shell for detecting 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 utility model and without limitation.
When alternating current power-off, in order to allow relevant personnel's timely learning power blackout situation, 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, warning note.
A kind of illumination switching device provided by the utility model is described in detail above.Herein with several
Example is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is merely used to help understand
The technical solution of the utility model and its core concept;At the same time, for those skilled in the art, according to the utility model
Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be understood
For limitations of the present invention, those skilled in the art do the utility model under the premise of no creative work
Modification, equivalent replacement, improvement out etc., should be included in the 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 " includes ", so that including the unit of a series of elements, equipment
Or system not only includes those elements, but also including other elements that are not explicitly listed, or further includes 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 power supply power-off, the first switch of linking movement is 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 cut off institute when the current value that the power inverter exports is greater than first threshold
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 the leakage current for detecting 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 power supply power-off, warning note.
7. illumination switching device according to claim 1, which is characterized in that the number of the lighting device is multiple.
8. according to claim 1 to illumination switching device described in 7 any one, which is characterized in that the power inverter utensil
Body is power converter.
Priority Applications (1)
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CN201820789518.1U CN208369304U (en) | 2018-05-24 | 2018-05-24 | A kind of illumination switching device |
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CN201820789518.1U CN208369304U (en) | 2018-05-24 | 2018-05-24 | A kind of illumination switching device |
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CN208369304U true CN208369304U (en) | 2019-01-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108448711A (en) * | 2018-05-24 | 2018-08-24 | 华润新能源(连州)风能有限公司 | A kind of illumination switching device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108448711A (en) * | 2018-05-24 | 2018-08-24 | 华润新能源(连州)风能有限公司 | A kind of illumination switching device |
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