CN208509349U - A kind of DC lighting control circuit - Google Patents
A kind of DC lighting control circuit Download PDFInfo
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- CN208509349U CN208509349U CN201821896389.2U CN201821896389U CN208509349U CN 208509349 U CN208509349 U CN 208509349U CN 201821896389 U CN201821896389 U CN 201821896389U CN 208509349 U CN208509349 U CN 208509349U
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- control circuit
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- wire system
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Abstract
The utility model discloses a kind of DC lighting control circuits, including three-phase four-wire system power supply, the three-phase four-wire system bus being connect with the three-phase four-wire system power supply, multiple AC/DC converters are connect with the three-phase four-wire system bus respectively, the DC side of the AC/DC converter is connect with direct current lamp, the DC side of the AC/DC converter is connected with electric current collection control circuit, the exchange side of each AC/DC converter passes through the technical solution that the first normal open switch is connect with the three-phase four-wire system bus, and the utility model can be used for DC lighting control.
Description
Technical field
The utility model relates to machinery fields, and in particular to a kind of DC lighting control circuit.
Background technique
With the development of city China urbanization, city construction project is continuously increased, especially in city street lamp illumination side
Face, existing route is all made of alternating current, and alternating current then corresponds to AC Lamp to be connected, however provides photograph using AC Lamp
The bright lamp that will lead to is easy fever, so that loss also accordingly becomes larger, small direct current street lamp application how will be lost into actual life
And can be carried out the effective management of concentration, it is current problem to be solved.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of DC lighting control circuits, and direct current lamp is connected to
In alternating current, and by concentrating effective management to reduce loss.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows: a kind of DC lighting control electricity
Road, including three-phase four-wire system power supply, the three-phase four-wire system bus being connect with the three-phase four-wire system power supply, multiple AC/DC conversions
Device is connect with the three-phase four-wire system bus respectively, and the DC side of the AC/DC converter is connect with direct current lamp, the AC/DC
The DC side of converter is connected with electric current collection control circuit, and the exchange side of each AC/DC converter passes through first and normally opened opens
Pass is connect with the three-phase four-wire system bus.
Further, it is preferable that first switch and the second normal open switch, institute are successively arranged in the three-phase four-wire system bus
It states first switch one end to connect with the three-phase four-wire system power supply, the first switch other end and second normal open switch
The first Surge Protector, the second normal open switch other end connection are connected in the three-phase four-wire system bus between one end
The three-phase four-wire system bus connect with first normal open switch one end, described in the first normal open switch other end connection
The exchange side of AC/DC converter.
Preferably, the anode of the DC side of all AC/DC converters connects with the electric current collection control circuit input end
It connects, the cathode of the DC side of the electric current collection control circuit output end and the AC/DC converter is connect with the direct current lamp simultaneously.
It is highly preferred that the DC side of all AC/DC converters anode by the first connecting terminal block with it is described
The cathode of the DC side of the connection of electric current collection control circuit input end, the electric current collection control circuit output end and the AC/DC converter
It is connect simultaneously by the second connecting terminal block with direct current lamp.
It is highly preferred that the route that the cathode of the DC side of the AC/DC converter is connect with second connecting terminal block
On be also connected with third terminal row.
It is highly preferred that first connecting terminal block and third terminal row connect with the second Surge Protector simultaneously.
It is highly preferred that successively being set on the route that the electric current collection control circuit output end is connect with second connecting terminal block
There is third normal open switch to connect with dc circuit breaker, the third normal open switch is by the electric current collection control circuit control.
First normal open switch and second normal open switch are by the electric current collection control circuit control.
Preferably, the route that first Surge Protector is connect with the three-phase four-wire system bus is equipped with alternating current interruption
Device.
It is highly preferred that the three-phase and four-line between the first switch other end and one end of second normal open switch
Time control unit is also connected in bus processed.
The utility model has the beneficial effects that the utility model by AC/DC converter convert alternating current to direct current from
And direct current lamp can be enable to apply, and carry out chain reaction by electric current collection control circuit come the on-off to circuit, to reach high
The effect of effect control direct current lamp opening and closing.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of DC lighting control circuit of the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Shown in Figure 1, present embodiment discloses a kind of DC lighting control circuits, including three-phase four-wire system power supply
100, the three-phase four-wire system bus 200 being connect with the three-phase four-wire system power supply 100, multiple AC/DC converters 1 respectively with it is described
Three-phase four-wire system bus 200 connects；
First switch 101 and the second normal open switch 102, first switch are successively arranged in the three-phase four-wire system bus 200
101 are used to control the on-off of entire circuit, described 101 one end of first switch and the three-phase four-wire system power supply 100 for master switch
Connection, the three-phase four-wire system bus between 101 other end of first switch and one end of second normal open switch 102
It is connected with the first Surge Protector 3 on 200, the purpose of lightning protection, the first Surge Protector 3 are played by the first Surge Protector 3
The route connecting with the three-phase four-wire system bus 200 is equipped with AC circuit breaker 22, controls wave by AC circuit breaker 22
Surge protector 3 obtains electric, the three-phase between 101 other end of first switch and one end of second normal open switch 102
Control unit 8 is also connected in four-wire system bus 200, described control unit 8 controls the opening and closing of the second normal open switch 102；
The three-phase four-wire system bus 200 and the first normal open switch 31 of second normal open switch, 102 other end connection
One end connection, 31 other end of the first normal open switch connect the exchange side of the AC/DC converter 1, the AC/DC converter
1 DC side is connect with direct current lamp 300, and the DC side of the AC/DC converter 1 is connected with electric current collection control circuit 2, and first is normally opened
Switch 31 passes through the control opening and closing of electric current collection control circuit 2, controllable second normal open switch 102 opening and closing simultaneously of electric current collection control circuit 2；
The anode of the DC side of all AC/DC converters 1 is connect with 2 input terminal of electric current collection control circuit, institute
It states the cathode of the DC side of 2 output end of electric current collection control circuit and the AC/DC converter 1 while being connect with direct current lamp 300；
The anode of the DC side of all AC/DC converters 1 passes through the first connecting terminal block 4 and the electric current collection control
The cathode of the DC side of the connection of 2 input terminal of circuit, 2 output end of electric current collection control circuit and the AC/DC converter 1 leads to simultaneously
It crosses the second connecting terminal block 5 to connect with direct current lamp 300, the cathode of the DC side of the AC/DC converter 1 and second wiring
Third terminal row 6 is also connected on the route that terminal block 5 connects, first connecting terminal block 4 and third terminal row 6 are same
When connect with the coil of the second Surge Protector 7, the purpose of lightning protection, the electric current collection control are played by the second Surge Protector 7
Third normal open switch 21 and direct current interruption are successively arranged on the route that 2 output end of circuit is connect with second connecting terminal block 5
Device 71 connects, and the third normal open switch 21 is controlled by the electric current collection control circuit 2；
Electric current collection control circuit 2 is using individually powering and being made of multiple contactors and the time relay, so as to simultaneously
The opening and closing and the multiple third normal open switch 21 of control for controlling the first normal open switch 31 and the second normal open switch 102 are successively closed；
It is closed first switch 101, AC circuit breaker 22 and dc circuit breaker 71 first, then allows electric current collection control circuit 2
It is electric, electric current collection control circuit 2 it is electric after the second normal open switch 102 and the first normal open switch 31 are closed, three-phase alternating current warp
AC/DC converter 1 is converted to direct current, at this time the second Surge Protector 7 it is electric, make under the control of electric current collection control circuit 2
Multiple third normal open switch 21 successively timing closing is prevented since third is normal so that multiple direct current lamps 300 are successively lighted
When switch 21 is closed at the same time, the electric current of generation is excessive and leads to the damage of device in circuit；
Control unit 8 is controlled as the auxiliary of entire circuit and is made of multiple time relays, is risen by the time relay
To the effect of delay, when electric current collection control circuit 2 after a certain period of time also not it is electric when, by time controller come impressed current collection control
Circuit 2 must be electric, and circuit then is connected.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of DC lighting control circuit, it is characterised in that: including three-phase four-wire system power supply (100), with the three-phase and four-line
The three-phase four-wire system bus (200) of power supply (100) connection processed, multiple AC/DC converters (1) are total with the three-phase four-wire system respectively
Line (200) connection, the DC side of the AC/DC converter (1) are connect with direct current lamp (300), the AC/DC converter (1)
DC side is connected with electric current collection control circuit (2), and the exchange side of each AC/DC converter (1) passes through the first normal open switch
(31) it is connect with the three-phase four-wire system bus (200).
2. a kind of DC lighting control circuit as described in claim 1, which is characterized in that the three-phase four-wire system bus
(200) first switch (101) and the second normal open switch (102), described first switch (101) one end and described three are successively arranged on
Phase four-wire system power supply (100) connection, one end of first switch (101) other end and second normal open switch (102) it
Between the three-phase four-wire system bus (200) on be connected with the first Surge Protector (3), second normal open switch (102) is another
The three-phase four-wire system bus (200) of one end connection connect with described first normal open switch (31) one end, and described first is normally opened
Switch the exchange side that (31) other end connects the AC/DC converter (1).
3. a kind of DC lighting control circuit as described in claim 1, which is characterized in that all AC/DC converters (1)
DC side anode connect with electric current collection control circuit (2) input terminal, electric current collection control circuit (2) output end and institute
It states the cathode of the DC side of AC/DC converter (1) while being connect with the direct current lamp (300).
4. a kind of DC lighting control circuit as claimed in claim 3, which is characterized in that all AC/DC converters (1)
The anode of DC side connect with electric current collection control circuit (2) input terminal by the first connecting terminal block (4), the electric current
The cathode of the DC side of collection control circuit (2) output end and the AC/DC converter (1) passes through the second connecting terminal block (5) simultaneously
It is connect with direct current lamp (300).
5. a kind of DC lighting control circuit as claimed in claim 4, which is characterized in that the AC/DC converter (1) it is straight
Third terminal row (6) is also connected on the route that the cathode of stream side is connect with second connecting terminal block (5).
6. a kind of DC lighting control circuit as claimed in claim 5, which is characterized in that first connecting terminal block (4)
It is connect simultaneously with the second Surge Protector (7) with third terminal row (6).
7. a kind of DC lighting control circuit as claimed in claim 6, which is characterized in that the electric current collection control circuit (2) is defeated
Third normal open switch (21) and dc circuit breaker are successively arranged on the route that outlet is connect with second connecting terminal block (5)
(71) it connects, the third normal open switch (21) is controlled by the electric current collection control circuit (2).
8. a kind of DC lighting control circuit as claimed in claim 2, which is characterized in that first normal open switch (31) and
Second normal open switch (102) is controlled by the electric current collection control circuit (2).
9. a kind of DC lighting control circuit as claimed in claim 2, which is characterized in that first Surge Protector (3)
The route connecting with the three-phase four-wire system bus (200) is equipped with AC circuit breaker (22).
10. a kind of DC lighting control circuit as claimed in claim 2, which is characterized in that the first switch (101) is another
Time control list is also connected on the three-phase four-wire system bus (200) between end and one end of second normal open switch (102)
First (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896389.2U CN208509349U (en) | 2018-11-16 | 2018-11-16 | A kind of DC lighting control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821896389.2U CN208509349U (en) | 2018-11-16 | 2018-11-16 | A kind of DC lighting control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509349U true CN208509349U (en) | 2019-02-15 |
Family
ID=65300974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821896389.2U Active CN208509349U (en) | 2018-11-16 | 2018-11-16 | A kind of DC lighting control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509349U (en) |
-
2018
- 2018-11-16 CN CN201821896389.2U patent/CN208509349U/en active Active
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