CN208540230U - A kind of dimmer circuit executing switch motion using relay - Google Patents
A kind of dimmer circuit executing switch motion using relay Download PDFInfo
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- CN208540230U CN208540230U CN201821164938.7U CN201821164938U CN208540230U CN 208540230 U CN208540230 U CN 208540230U CN 201821164938 U CN201821164938 U CN 201821164938U CN 208540230 U CN208540230 U CN 208540230U
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Abstract
The utility model relates to a kind of dimmer circuits that switch motion is executed using relay comprising: isolation zero cross detection circuit, rectification circuit, control circuit, isolation drive cut phase circuit, control signal input part and relay.The utility model dimmer circuit replaces common single-pole single-throw switch (SPST) using relay to execute the on-off action of light modulator, when light modulator executes shutoff operation, relay discharges, two input lines of load are completely cut through, make load and alternating current safe separating, when avoiding existing light modulator using single-pole single-throw switch (SPST) execution shutoff operation, only one input line of cutting load, load cannot the electrically separated security risks with city completely；The utility model light modulator makes to control signal input part and alternating current security isolation, ensure that the safe operation of user simultaneously using isolation power supply, isolation zero cross detection circuit and isolation drive cut phase circuit.
Description
Technical field
The utility model relates to a kind of illumination circuit fields, execute switch motion using relay especially with regard to a kind of
Dimmer circuit.
Background technique
The switch control of light modulator all uses single-pole single-throw switch (SPST) at present.In off state, only light modulator is born
The cutting of line all the way carried, another way line is still electrically connected with city, if the not instead of firewire of cutting, zero curve then dim
Device when off, is loaded or is charged, if going maintenance route or replacement to load just has Danger Electric shock risk.
Utility model content
In view of the above problems, the object of the present invention is to provide a kind of light modulators that switch motion is executed using relay
Circuit can be avoided effectively being also electrically connected existing security risk with city all the way when off, and can guarantee the safety of user.
To achieve the above object, the utility model takes following technical scheme:
A kind of dimmer circuit executing switch motion using relay, characterized by comprising: isolation zero passage detection electricity
Road, rectification circuit, control circuit, isolation drive cut phase circuit, control signal input part and relay；
The mistake that the input of alternating current firewire first and alternating current firewire second that the isolation zero cross detection circuit will test input
Zero-signal is transmitted to the control circuit；
The input of alternating current firewire first or alternating current firewire second are inputted and are flowed through the friendship of light modulator load by the rectification circuit
Alternating current signal rectification is flowed into the direct current signal of positive half cycle, is supplied to the isolation drive cut phase circuit and is carried out cut phase；
The control circuit receives the control signal of the control signal input part and the mistake of zero cross detection circuit is isolated
Zero-signal controls the on-off of the relay；And the control circuit outputting cutting Phase angle control signal is to the isolation drive
Cut phase circuit；
The direct current positive half cycle that the isolation drive cut phase circuit exports the rectification circuit according to the cut phase signal of input
Voltage carries out cut phase；
The control signal input part transmits the switching signal of light modulator and cutting for phase-cut dimming to the control circuit
Phase angular dimensions；
The relay executes the on-off action between light modulator and load.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: further include isolation power supply, the isolation supplies
Power supply is respectively that control circuit and isolation drive cut phase circuit provide the working power being individually isolated.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the first input end of the isolation power supply
It inputs and connects with alternating current firewire first, the second input terminal and the input of alternating current firewire second connect, and third input terminal and alternating current input
Zero curve input connection；First insulation output power supply end of the isolation power supply is connect with the control circuit, the isolation
Second insulation output power supply end of power supply and the isolation drive cut phase circuit connection.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the first of the isolation zero cross detection circuit is defeated
Enter end and the input of alternating current firewire first connects, the second input terminal and the input of alternating current firewire second connect, for detecting alternating current firewire
First input and alternating current firewire second input the voltage zero-crossing signal in two input lines；The third of the isolation zero cross detection circuit
Input terminal N and the input of alternating current zero curve connect, two isolation voltage zero cross signal output end is connected to the control circuit, respectively
The voltage zero-crossing signal of the input of alternating current firewire first and the input of alternating current firewire second is provided to the control circuit.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the first input end of the rectification circuit and city
The input connection of electrical fire line first, the second input terminal and the input of alternating current firewire second connect, and third input terminal passes through the relay
One group of contact and light modulator load fire wire output end connect；Two output ends of the rectification circuit are connected to the isolation drive
Cut phase circuit provides the direct current positive half cycle voltage after rectification to the isolation drive cut phase circuit.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the control circuit was isolated with described respectively
Two isolation voltage zero cross signal output ends connection of zero detection circuit exports electricity with first isolation that power supply is isolated
Source feeder ear is connected and is connect with the output end of the control signal input part；The cut phase signal of the control circuit is defeated
Outlet and the isolation drive cut phase circuit connection, the relay driving output end and the relay of the control circuit connect
It connects.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the isolation drive cut phase circuit is imitated using field
Should pipe as switch element；The isolation drive cut phase circuit connects with the cut phase driving signal output end of the control circuit respectively
It connects, is connected with the second insulation output power supply feeder ear that power supply is isolated, connected with two output ends of the rectification circuit
It connects.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the relay uses double-pole single-throw (D.P.S.T.) relay,
One group of contact is connect with the input terminal of the rectification circuit and light modulator load fire wire output end respectively；Another group of contact respectively with
Alternating current zero curve input terminal is connected with light modulator load zero line output end；The relay of the coil of the relay and the control circuit
The connection of device drive output, the relay on-off movement are controlled by the control circuit.
Dimmer circuit as in the foregoing embodiment, it is characterised in that: the control signal input part output signal
End is connect with the control circuit；The control signal input part generates on-off signal using button switch or toggle switch,
And the setting of cut phase angular dimensions is carried out using coding volume, change resistance potentiometer and button switch.
Because the utility model adopts the above technical scheme, it has the following advantages: the utility model uses relay generation
The on-off action of light modulator is executed for common single-pole single-throw switch (SPST)；Use isolation power supply, isolation zero cross detection circuit
With isolation drive cut phase circuit, make light modulator in off state, load and alternating current safe separating avoid existing light modulator
Using single-pole single-throw switch (SPST), it is also electrically connected existing security risk with city all the way when off, while control signal being allowed to input
Component and alternating current security isolation, ensure that the safety of user.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model provides a kind of dimmer circuit for executing switch motion using relay comprising
Zero cross detection circuit 1, isolation power supply 2, rectification circuit 3, control circuit 4, isolation drive cut phase circuit 5, control letter is isolated
Number input part 6 and relay 7.Wherein:
The zero passage letter that isolation zero cross detection circuit 1 is used to detect the input of alternating current firewire first and alternating current firewire second inputs
Number, it will be supplied to control circuit 4 after zero cross signal security isolation and use, make control circuit 4 and control signal input part 6 and city
Electric security isolation.
Isolation power supply 2 is respectively that control circuit 4 and isolation drive cut phase circuit 5 provide the work electricity being individually isolated
Source makes control circuit 4 and control signal input part 6 and alternating current security isolation.
Rectification circuit 3 by alternating current firewire first input or alternating current firewire second input with flow through light modulator load exchange city
Electric signal is rectified into the direct current signal of positive half cycle, is supplied to isolation drive cut phase circuit 5 and carries out cut phase, realizes and load to light modulator
Light modulation；When isolation drive cut phase circuit 5 is closed, rectification circuit 3 inputs the input of alternating current firewire first and alternating current firewire second
Keep apart, isolation zero cross detection circuit 1 is allow to detect what the input of alternating current firewire first and alternating current firewire second inputted respectively
Independent voltage zero cross signal.
Control circuit 4 receives the control signal of control signal input part 6 and the zero passage letter that zero cross detection circuit 1 is isolated
Number, control the on-off of relay 7；And 4 outputting cutting Phase angle control signal of control circuit is realized to isolation drive cut phase circuit 5
Cut phase is carried out to the direct current positive half cycle voltage that rectification circuit 3 exports, realization dims load.
The cut phase driving signal from control circuit 4 is isolated in isolation drive cut phase circuit 5, according to the cut phase of input
Signal carries out cut phase to the direct current positive half cycle voltage that rectification circuit 3 exports, executes the function to load light modulation.
It controls signal input part 6 and is used to transmit the switching signal of light modulator and the cut phase of phase-cut dimming to control circuit 4
Angular dimensions.
Relay 7 is dimmer switch actuator part, executes the on-off action between light modulator and load；Light modulator
When shutdown, the connection between light modulator and load is completely cut through by relay 7, makes load and alternating current safe separating.
In a preferred embodiment, first input end L1 and the alternating current firewire first that zero cross detection circuit 1 is isolated are defeated
Enter connection, the second input terminal L2 and the input of alternating current firewire second connect, for detecting the input of alternating current firewire first and alternating current firewire
Voltage zero-crossing signal in second two input lines of input；The third input terminal N and alternating current zero curve that zero cross detection circuit 1 is isolated are inputted
Connection, two isolation voltage zero cross signal output ends DT1 and DT2 of isolation zero cross detection circuit 1 are connected to control circuit 4, point
The voltage zero-crossing signal of the input of alternating current firewire first and the input of alternating current firewire second is not provided to control circuit 4, makes control circuit 4
It is isolated entirely with control signal input part 6 with alternating current.
In a preferred embodiment, the first input end L1 and the input of alternating current firewire first that power supply 2 is isolated connect
It connects, the second input terminal L2 and the input of alternating current firewire second connect, and third input terminal N and alternating current input zero curve input connect, with true
It protects either from the input of alternating current firewire first or the input access alternating current of alternating current firewire second, the safety electricity of isolation can be exported
Source；First insulation output power supply end V1+ of isolation power supply 2 is connect with control circuit 4, provides isolation peace for control circuit 4
Full working power makes control circuit 4 and control signal input part 6 and alternating current security isolation, guarantees the operation peace of user
Entirely；Second insulation output power supply end V2+ of isolation power supply 2 is connect with isolation drive cut phase circuit 5, is isolation drive cut phase
Circuit 5 provides working power.
In a preferred embodiment, the first input end L1 of rectification circuit 3 and the input of alternating current firewire first connect, the
Two input terminal L2 and the input of alternating current firewire second connect, and third input terminal L0 is negative by one group of contact of relay 7 and light modulator
Carry fire wire output end connection；Two output end LC and LG of rectification circuit 3 are connected to isolation drive cut phase circuit 5, to isolation drive
Cut phase circuit 5 provides the direct current positive half cycle voltage after rectification；When isolation drive cut phase circuit 5 is closed, rectification circuit 3 is by alternating current
The input of firewire first and the input of alternating current firewire second are kept apart, and isolation zero cross detection circuit 1 is allow to detect city's electrical fire respectively
The independent voltage zero cross signal that the input of line first and alternating current firewire second input.
In a preferred embodiment, control circuit 4 respectively with two isolation voltage mistakes that zero cross detection circuit 1 is isolated
Zero-signal output end DT1 and DT2 connection, with the first insulation output power supply feeder ear V1+ connection that power supply 2 is isolated and
It is connect with the output end SN of control signal input part 6；The cut phase signal output end DR of control circuit 4 and isolation drive cut phase electricity
Road 5 connects, and the relay driving output end RL of control circuit 4 is connect with relay 7.Control circuit 4 is according to control signal input
The signal that component 6 issues, and inputted and alternating current firewire second according to the alternating current firewire first that isolation zero cross detection circuit 1 exports
The voltage zero-crossing signal state control relay 7 of input executes on-off line operation；The cut phase being arranged according to control signal input part 6
The voltage zero-crossing signal that angular dimensions and isolation zero cross detection circuit 1 export exports corresponding control signal to isolation drive cut phase
Circuit 5 carries out cut phase operation to the direct current positive half cycle voltage that rectification circuit 3 exports, realizes and load light modulation to light modulator.
In a preferred embodiment, isolation drive cut phase circuit 5 is cut using field-effect tube as switch element
Mutually operate.Isolation drive cut phase circuit 5 is connect with the cut phase driving signal output end DR of control circuit 4 respectively, is powered with being isolated
Second insulation output power supply feeder ear V2+ connection of power supply 2, connect with two output end LC and LG of rectification circuit 3.Isolation drive
After cut phase circuit 5 is isolated by the phase cut control signal from control circuit 4, driving FET exports rectification circuit 3
Direct current positive half cycle voltage carry out cut phase, realization the load of light modulator is dimmed.
In a preferred embodiment, control 6 output signal end SN of signal input part is connect with control circuit 4；Control
Signal input part 6 processed generates on-off signal using button switch or toggle switch, and using coding volume, change resistance electrometer
Device and button switch carry out the setting of cut phase angular dimensions.
In a preferred embodiment, relay 7 use double-pole single-throw (D.P.S.T.) relay, one group of contact respectively with rectification circuit
3 input terminal LO is connected with light modulator load fire wire output end；Another group of contact respectively with alternating current zero curve input terminal and light modulator
Load the connection of zero line output end.The coil of relay 7 is connect with the relay driving output end RL of control circuit 4, and relay 7 is logical
Disconnected movement is controlled by control circuit 4.When relay 7 executes logical movement, two groups of contacts are attracted, respectively by the input of rectification circuit 3
End LO is connect with light modulator load fire wire output end, and alternating current zero curve input terminal is connect with light modulator load zero line output end, makes to adjust
Performance loop is formd between light device and light modulator load；When executing disconnected movement, two groups of contact releases, it is defeated that light modulator loads firewire
Outlet is completely disengaged with load zero line output end with dimmer circuit, light modulator load and alternating current security isolation.
In conclusion when the utility model is used, its circuit workflow are as follows: control circuit 4 is defeated according to control signal
Enter the signal of the sending of component 6, and the input of alternating current firewire first exported according to isolation zero cross detection circuit 1 and alternating current firewire the
Two input voltage zero-crossing signal states come allow relay 7 execute on-off line operation；It is cut according to what control signal input part 6 was arranged
Phase angular dimensions, and the voltage zero-crossing signal that isolation zero cross detection circuit 1 exports export corresponding control signal and cut to isolation drive
Circuitry phase 5 carries out cut phase operation to the direct current positive half cycle voltage that rectification circuit 3 exports, realizes and load light modulation to light modulator.
When relay 7 executes logical movement, two groups of contacts are attracted, respectively will: the input terminal LO and light modulator of rectification circuit 3 are negative
It carries fire wire output end to be connected, alternating current zero curve input terminal is connected with light modulator load zero line output end, keeps light modulator and light modulator negative
Performance loop is formd between load；When executing disconnected movement, two groups of contact releases, light modulator loads fire wire output end and load zero curve
Output end is completely disengaged with dimmer circuit, light modulator load and alternating current security isolation.
The various embodiments described above are merely to illustrate the utility model, and structure and size, setting position and the shape of each component are all
Can be varied, on the basis of technical solutions of the utility model, it is all according to the utility model principle to individual part into
Capable improvement and equivalents, should not exclude except the protection scope of the utility model.
Claims (9)
1. a kind of dimmer circuit for executing switch motion using relay, characterized by comprising: isolation zero cross detection circuit
(1), rectification circuit (3), control circuit (4), isolation drive cut phase circuit (5), control signal input part (6) and relay
(7)；
The zero passage that the input of alternating current firewire first and alternating current firewire second that isolation zero cross detection circuit (1) will test input
Signal is transmitted to the control circuit (4)；
The rectification circuit (3) is by the input of alternating current firewire first or the input of alternating current firewire second and flows through exchanging for light modulator load
Alternating current signal rectification is supplied to the isolation drive cut phase circuit (5) and carries out cut phase at the direct current signal of positive half cycle；
The control circuit (4) receives control signal and isolation zero cross detection circuit (1) of control signal input part (6)
Zero cross signal, control the on-off of the relay (7)；And control circuit (4) the outputting cutting Phase angle control signal is to institute
State isolation drive cut phase circuit (5)；
The direct current just half that the isolation drive cut phase circuit (5) exports the rectification circuit (3) according to the cut phase signal of input
All voltage carries out cut phase；
Switching signal and phase-cut dimming of control signal input part (6) to the control circuit (4) transmission light modulator
Cut phase angular dimensions；
The relay (7) executes the on-off action between light modulator and load.
2. dimmer circuit as described in claim 1, it is characterised in that: further include isolation power supply (2), the isolation supplies
Power supply (2) is respectively that control circuit (4) and isolation drive cut phase circuit (5) provide the working power being individually isolated.
3. dimmer circuit as claimed in claim 2, it is characterised in that: the first input end of isolation power supply (2)
It inputs and connects with alternating current firewire first, the second input terminal and the input of alternating current firewire second connect, and third input terminal and alternating current input
Zero curve input connection；First insulation output power supply end of isolation power supply (2) is connect with the control circuit (4), institute
The the second insulation output power supply end for stating isolation power supply (2) is connect with the isolation drive cut phase circuit (5).
4. dimmer circuit as claimed in claim 3, it is characterised in that: the first of isolation zero cross detection circuit (1) is defeated
Enter end and the input of alternating current firewire first connects, the second input terminal and the input of alternating current firewire second connect, for detecting alternating current firewire
First input and alternating current firewire second input the voltage zero-crossing signal in two input lines；Isolation zero cross detection circuit (1)
Third input terminal N and the input of alternating current zero curve connect, two isolation voltage zero cross signal output end is connected to the control circuit
(4), the voltage zero-cross letter of the input of alternating current firewire first and the input of alternating current firewire second is provided to the control circuit (4) respectively
Number.
5. such as the described in any item dimmer circuits of Claims 1-4, it is characterised in that: the first of the rectification circuit (3) is defeated
Enter end and the input of alternating current firewire first connects, the second input terminal and the input of alternating current firewire second connect, and third input terminal passes through institute
One group of contact for stating relay (7) is connect with light modulator load fire wire output end；Two output ends of the rectification circuit (3) connect
To the isolation drive cut phase circuit (5), the direct current positive half cycle electricity after rectification is provided to the isolation drive cut phase circuit (5)
Pressure.
6. dimmer circuit as claimed in claim 4, it is characterised in that: the control circuit (4) was isolated with described respectively
Zero detection circuit (1) two isolation voltage zero cross signal output ends connection, with it is described be isolated power supply (2) first be isolated
Out-put supply feeder ear is connected and is connect with the output end of control signal input part (6)；The control circuit (4)
Cut phase signal output end connect with the isolation drive cut phase circuit (5), the output of the relay driving of the control circuit (4)
End is connect with the relay (7).
7. dimmer circuit as claimed in claim 6, it is characterised in that: the isolation drive cut phase circuit (5) is imitated using field
Should pipe as switch element；The isolation drive cut phase circuit (5) is defeated with the cut phase driving signal of the control circuit (4) respectively
Outlet connection is connected with the second insulation output power supply feeder ear that power supply (2) is isolated, with the rectification circuit (3)
Two output ends connection.
8. dimmer circuit as claimed in claim 6, it is characterised in that: the relay (7) uses double-pole single-throw (D.P.S.T.) relay,
One group of contact is connect with the input terminal of the rectification circuit (3) and light modulator load fire wire output end respectively；Another group of contact point
It is not connect with alternating current zero curve input terminal and light modulator load zero line output end；The coil of the relay (7) and control electricity
The relay driving output end on road (4) connects, and relay (7) on-off action is controlled by the control circuit (4).
9. dimmer circuit as described in claim 1, it is characterised in that: control signal input part (6) output signal
End is connect with the control circuit (4)；The control signal input part (6) generates on-off using button switch or toggle switch
Signal, and the setting of cut phase angular dimensions is carried out using coding volume, change resistance potentiometer and button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164938.7U CN208540230U (en) | 2018-07-23 | 2018-07-23 | A kind of dimmer circuit executing switch motion using relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821164938.7U CN208540230U (en) | 2018-07-23 | 2018-07-23 | A kind of dimmer circuit executing switch motion using relay |
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| Publication Number | Publication Date |
|---|---|
| CN208540230U true CN208540230U (en) | 2019-02-22 |
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ID=65385830
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821164938.7U Active CN208540230U (en) | 2018-07-23 | 2018-07-23 | A kind of dimmer circuit executing switch motion using relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087370A (en) * | 2019-04-30 | 2019-08-02 | 领佳科技发展有限公司 | A kind of phase-cut dimming equipment combinational circuit using voltage code transmission control instruction |
-
2018
- 2018-07-23 CN CN201821164938.7U patent/CN208540230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087370A (en) * | 2019-04-30 | 2019-08-02 | 领佳科技发展有限公司 | A kind of phase-cut dimming equipment combinational circuit using voltage code transmission control instruction |
| CN110087370B (en) * | 2019-04-30 | 2021-05-04 | 领佳科技发展有限公司 | Phase-cut dimming equipment combination circuit adopting voltage coding to transmit control command |
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