CN209343345U - Synchronous automatic shifting phase Wireless exciters device - Google Patents
Synchronous automatic shifting phase Wireless exciters device Download PDFInfo
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- CN209343345U CN209343345U CN201920152139.6U CN201920152139U CN209343345U CN 209343345 U CN209343345 U CN 209343345U CN 201920152139 U CN201920152139 U CN 201920152139U CN 209343345 U CN209343345 U CN 209343345U
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Abstract
The utility model discloses a kind of synchronous automatic shifting phase Wireless exciters devices, including power circuit, governor circuit and synchronous control circuit, the power circuit powers to the governor circuit, exchange input is converted into low-voltage AC by power circuit, the synchronous control circuit receives the low-voltage AC, and the synchronous control circuit obtains and the synperiodic synchronization signal of low-voltage AC according to the low-voltage AC；The synchronous control circuit is connect with governor circuit, and the governor circuit receives the synchronization signal, and governor circuit carries out phase shift processing to the synchronization signal, and generates corresponding pwm signal；The Wireless exciters device further includes power amplifier and LC resonance antenna, exchange input is converted into direct current through the power circuit and powers to power amplifier, the power amplifier receives the pwm signal, the pwm signal is coupled on LC resonance antenna by power amplifier, generates the labeling task outside wireless signal triggering.
Description
Technical field
The utility model relates to internet of things field, more specifically, being related to a kind of synchronous automatic shifting phase wireless activation
Device device.
Background technique
In the prior art, in practical applications, different drivers are in the same space effective range for wireless signal driver
Interior, driver can not achieve excitation of staggering the time, and the label in space can be activated by different drivers, and label can not be judged
It is activated by which driver, causes to judge by accident.If increasing between different drivers distance to realize, coverage hole will cause.
The usual way for solving above-mentioned technical problem is to increase optic module or wire communication module to realize different device
Between realize signal stagger the time, such system needs to dispose low-voltage circuit in advance, causes project amount big, at high cost.According to wireless
Modular manner, driver itself are wireless devices, and the space electromagnetic environment of driver equipment can be allowed very complicated, cause system reliable
Property is poor.
Utility model content
In view of this, the utility model proposes a kind of synchronization automatic shifting phase Wireless exciters device for realizing excitation of staggering the time,
There is technical issues that wireless signal driver cannot achieve for solving the prior art to stagger the time.
The utility model provides a kind of synchronous automatic shifting phase Wireless exciters device, including power circuit, governor circuit
And synchronous control circuit, the power circuit power to the governor circuit, exchange input is converted into low pressure by power circuit
Alternating current, the synchronous control circuit receive the low-voltage AC, and the synchronous control circuit is according to the low-voltage AC
It obtains and the synperiodic synchronization signal of low-voltage AC；The synchronous control circuit is connect with governor circuit, the governor circuit
The synchronization signal is received, the governor circuit carries out phase shift processing to the synchronization signal, and generates corresponding pwm signal.
Optionally, the synchronous automatic shifting phase Wireless exciters device further includes power amplifier and LC resonance antenna, exchange
Input is converted into direct current through the power circuit and powers to power amplifier, and the power amplifier receives the pwm signal, described
Pwm signal is coupled on LC resonance antenna by power amplifier, generates the labeling task outside the triggering of high-voltage radio signal.
Optionally, the synchronous control circuit includes resistance reduction voltage circuit, photoelectric coupling circuit and resistance capacitance filtered electrical
The one end on road, the resistance reduction voltage circuit is connect with the power circuit, the other end and the light of the resistance reduction voltage circuit
The input terminal of electric coupling circuit connects, and the output end of the photoelectric coupling circuit is connect with the resistance capacitance filter circuit, institute
State resistance capacitance filter circuit output synchronization signal.
Optionally, the LC resonance antenna is composed in series by inductance coil and capacitor, resonance frequency 100kHz-
200kHz。
Optionally, it is provided with timing module in the governor circuit, characterization phase shift phase is preset in the timing module
Timing time, the timing module receives the synchronization signal, delay meter carried out at the rising edge of the synchronization signal
When the time to realize phase shift, and export the pwm signal after phase shift.
Optionally, the timing time is the odd-multiple of half of power frequency period.
Using the utility model, compared with prior art, the technical solution of the utility model is had the advantage that in space
One/or multiple Wireless exciters devices are disposed, on the basis of the zero crossing of synchronization signal, carries out phase shift, wireless signal phase
Automatic shifting phase, the utility model are realized the synchronous automatic shifting phase of activator device wireless signal, are prevented in driver effective range
Signal conflict.
Detailed description of the invention
Fig. 1 is the structural block diagram of the synchronous automatic shifting phase Wireless exciters device of the utility model；
Fig. 2 is the structural schematic diagram of the utility model synchronous control circuit；
Fig. 3 is the working waveform figure of the synchronous automatic shifting phase Wireless exciters device of the utility model.
It is as shown in the figure: 1, power circuit, 2, governor circuit, 3, power amplifier, 4, LC resonance antenna, 5, synchronously control electricity
Road, 51, resistance reduction voltage circuit, 52, photoelectric coupling circuit, 53, resistance capacitance filter circuit.
Specific embodiment
It is described in detail below in conjunction with preferred embodiment of the attached drawing to the utility model, but the utility model is not merely
It is limited to these embodiments.The utility model covers any substitution made in the spirit and scope of the utility model, modification, equivalent
Method and scheme.
In order to make the public have thorough understanding to the utility model, in following the preferred embodiment in the utility model specifically
Concrete details is illustrated, and that this can also be understood completely is practical new for description without these details for a person skilled in the art
Type.
The utility model is more specifically described by way of example referring to attached drawing in the following passage.It should be noted that attached drawing
It is all made of more simplified form and uses non-accurate ratio, only to facilitate, lucidly aid in illustrating the utility model
The purpose of embodiment.
As shown in Figure 1, the synchronization automatic shifting phase Wireless exciters device of the utility model is illustrated, including power circuit 1,
Governor circuit 2 and synchronous control circuit 5, the power circuit 1 power to the governor circuit 2, and exchange input passes through power supply electricity
Road 1 is converted into low-voltage AC, and (power circuit 1 includes transformer, and voltage is become 12-36V low-voltage alternating-current by transformer
Electricity), the synchronous control circuit 5 receives the low-voltage AC, and the synchronous control circuit 5 is obtained according to the low-voltage AC
To with the synperiodic synchronization signal of low-voltage AC；The synchronous control circuit 5 is connect with governor circuit 2, the governor circuit 2
The synchronization signal is received, the governor circuit 2 carries out phase shift processing to the synchronization signal, and generates corresponding pwm signal.?
The same space disposes at least one or more above-mentioned Wireless exciters device.
The synchronous automatic shifting phase Wireless exciters device further includes power amplifier 3 and LC resonance antenna 4, exchange input warp
The power circuit 1 is converted into direct current and powers to power amplifier 3, and the power amplifier 3 receives the pwm signal, the PWM
Signal is coupled on LC resonance antenna 4 by power amplifier, generates the labeling task outside the triggering of high-voltage radio signal.Wherein,
The LC resonance antenna is composed in series by inductance coil and capacitor, resonance frequency 100kHz-200kHz.
As shown in Fig. 2, illustrating the theory structure of the synchronous control circuit of the utility model.The synchronous control circuit packet
Include resistance reduction voltage circuit 51, photoelectric coupling circuit 52 and resistance capacitance filter circuit 53, one end of the resistance reduction voltage circuit 51
It is connect with the power circuit 1, the input terminal of the other end of the resistance reduction voltage circuit 51 and the photoelectric coupling circuit 52 connects
It connects, the output end of the photoelectric coupling circuit 52 is connect with the resistance capacitance filter circuit 53, the resistance capacitance filtered electrical
Road 53 exports synchronization signal.
The present embodiment, resistance reduction voltage circuit 51 use common resistance R1, the Europe model 30K-100K conventional, electric-resistance, photoelectricity
Coupling circuit 52 use Integrated circuit IC, and Integrated circuit IC is integrated with a light emitting diode and a phototriode, such as
Model PC817, resistance capacitance filter circuit 53, using resistance R2, capacitor C is in parallel, model using common Europe resistance 1-10K and
Capacitor 0.01-0.047 μ F.
The circuit theory of synchronous control circuit 5 is one end of the low-voltage alternating-current electricity output of the power transformer of power circuit 1
L is connected to one end of resistance R1, the anode of another light emitting diode for terminating to Integrated circuit IC of resistance R, and cathode is connected to low pressure
The N-terminal of alternating current output end completes synchronization signal sampling.The collector of the phototriode of Integrated circuit IC is connected to digital electricity
Source, transmitting collection are connected to R2 in parallel, the one end C, and the interruption I/O port of output synchronization signal to master control borad 2 completes synchronization signal output,
R2 in parallel, another termination signal ground of C.
The specific working principle is as follows for synchronous control circuit 5: low-voltage AC inputs synchronous control circuit 5, synchronously control
Circuit 5 passes through electric resistance reduction voltage circuit 51, to one constant conduction electric current of light emitting diode of photoelectric coupling circuit 52, photoelectricity coupling
The output one period wave synchronous with low-voltage AC of circuit is closed, this period wave passes through 53 shaping of resistance capacitance filter circuit
It is processed into the manageable square wave of microprocessor on governor circuit 2.The microprocessor of governor circuit 2 controls its interface circuit,
After phase shift processing, ± 10% pulse width modulation (PWM) of the 125KHz with digital information of generation passes through power amplifier to power amplifier 3
Circuit 3 amplifies signal, is coupled on LC resonance antenna 4, generates the wireless signal of 125KHz ± 10% in space.Herein only
It is can also have other values by taking 125KHz ± 10% as an example.
In the utility model, it is provided with timing module in the governor circuit, presets characterization in the timing module and moves
The timing time of phase phase, the timing module receive the synchronization signal, carry out at the rising edge of the synchronization signal
Timing time be delayed to realize phase shift, and exports the pwm signal after phase shift.The timing time is the odd number of half of power frequency period
Times.
As shown in figure 3, illustrating the work wave of the synchronous automatic shifting phase Wireless exciters device of the utility model.In this base
On plinth, the utility model additionally provides a kind of synchronous automatic shifting phase method, comprising the following steps: samples the exchange letter of power circuit
Number, by detecting the zero crossing of AC power source, output synchronization signal is the square wave of 50Hz/ or 60Hz frequency, which is input to
Governor circuit, when starting wireless signal automatic shifting phase T1 phase angle meter；1 period of 50Hz/ or 60Hz power supply is T, radio frames
Signal period T2, T2 < 0.5T；Governor circuit receives synchronization signal, and automatic time delay T1, T1 are N times of 0.5T, and N is 0/ or surprise
Number, wireless signal phase automatic shifting phase N multiply 180 degree；Governor circuit exports a pulse width modulation (PWM), frequency 100kHz-
The wireless signal of the frame cycle T 2 of 200kHz, the wireless signal are coupled to LC resonance antenna by power amplifier, generate high pressure without
Labeling task outside the triggering of line signal.
2 time of radio frame signal cycle T.Power supply illustrates that 1 cycle T of power supply is 20ms, and T2 is most using 50Hz alternating current
Big 10ms.Synchronous signal acquisition source is the low-voltage AC end of power circuit 1, passes through synchronous control circuit 5, automatic time delay T1
It is N times of 10ms, N is 0/ or odd number, and wireless signal phase is that N multiplies 180 degree.The square wave that synchronization signal is 50Hz frequency is exported,
The square wave is input to the interruption I/O port of master control borad 2, and governor circuit 2 exports a pulse width modulation (PWM), frequency be 125kHz ±
The signal of 10% frame cycle T 2, the signal are coupled to LC resonance antenna 4 by power amplifier 3, generate the touching of high-voltage radio signal
Labeling task outside hair.
Wireless signal automatic shifting phase activator device can space dispose at least one/or when multiple such devices,
The method of the automatic time delay T1 of the automatic shifting phase of different device is set, and T1 is N times of 10ms, and N is 0/ or odd number, wireless signal phase
Position is that N multiplies 180 degree.One of them selects N=0, generates 0 degree of wireless signal phase reference, other devices select for a post meaning odd number N, nothing
Line signal phase automatic shifting phase N multiplies 180 degree, realizes the synchronous automatic shifting phase of different activator device wireless signals, prevents from motivating
Signal conflict in device effective range.
Two driver wireless signal automatic synchronization phase shifts, when power supply zero passage, synchronous circuit output level from low to high
0 degree of wireless signal phase reference of a driver 1 is arranged in synchronization signal.Other devices select for a post meaning odd number N, wireless signal
Phase automatic shifting phase N multiplies 180 degree, selects N=1, and 2 phase shift 180 degree of driver realizes that, in the power supply upper half period, driver 1 emits nothing
Line signal.Emit wireless signal in power supply lower half period driver 2, realizes different driver automatic synchronization phase shifts.
Although embodiment is separately illustrated and is illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
It can refer to another embodiment on the books.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (6)
1. a kind of synchronous automatic shifting phase Wireless exciters device, including power circuit, governor circuit and synchronous control circuit, special
Sign is: the power circuit powers to the governor circuit, and exchange input is converted into low-voltage AC by power circuit, institute
It states synchronous control circuit and receives the low-voltage AC, the synchronous control circuit is obtained according to the low-voltage AC and low pressure
The synperiodic synchronization signal of alternating current；The synchronous control circuit is connect with governor circuit, and the governor circuit receives described same
Signal is walked, the governor circuit carries out phase shift processing to the synchronization signal, and generates corresponding pwm signal.
2. synchronous automatic shifting phase Wireless exciters device according to claim 1, it is characterised in that: described to synchronize automatic shifting
Phase Wireless exciters device further includes power amplifier and LC resonance antenna, and exchange input is converted into direct current through the power circuit
It powers to power amplifier, the power amplifier receives the pwm signal, and it is humorous that the pwm signal by power amplifier is coupled to LC
It shakes on antenna, generates the labeling task outside the triggering of high-voltage radio signal.
3. synchronous automatic shifting phase Wireless exciters device according to claim 1, it is characterised in that: the synchronously control electricity
Road includes resistance reduction voltage circuit, photoelectric coupling circuit and resistance capacitance filter circuit, one end of the resistance reduction voltage circuit and institute
Power circuit connection is stated, the other end of the resistance reduction voltage circuit is connect with the input terminal of the photoelectric coupling circuit, the light
The output end of electric coupling circuit is connect with the resistance capacitance filter circuit, and the resistance capacitance filter circuit output is synchronous to be believed
Number.
4. synchronous automatic shifting phase Wireless exciters device according to claim 2, it is characterised in that: the LC resonance day
Line is composed in series by inductance coil and capacitor, resonance frequency 100kHz-200kHz.
5. synchronous automatic shifting phase Wireless exciters device according to claim 2, it is characterised in that: the governor circuit
It is inside provided with timing module, the timing time of characterization phase shift phase is preset in the timing module, the timing module receives
The synchronization signal carries out delay timing time at the rising edge of the synchronization signal to realize phase shift, and after exporting phase shift
Pwm signal.
6. synchronous automatic shifting phase Wireless exciters device according to claim 5, it is characterised in that: the timing time is
The odd-multiple of half of power frequency period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152139.6U CN209343345U (en) | 2019-01-29 | 2019-01-29 | Synchronous automatic shifting phase Wireless exciters device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152139.6U CN209343345U (en) | 2019-01-29 | 2019-01-29 | Synchronous automatic shifting phase Wireless exciters device |
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| Publication Number | Publication Date |
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| CN209343345U true CN209343345U (en) | 2019-09-03 |
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| CN201920152139.6U Active CN209343345U (en) | 2019-01-29 | 2019-01-29 | Synchronous automatic shifting phase Wireless exciters device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109670361A (en) * | 2019-01-29 | 2019-04-23 | 杭州檀木科技有限公司 | A kind of synchronous automatic shifting phase Wireless exciters device and synchronous automatic shifting phase method |
-
2019
- 2019-01-29 CN CN201920152139.6U patent/CN209343345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109670361A (en) * | 2019-01-29 | 2019-04-23 | 杭州檀木科技有限公司 | A kind of synchronous automatic shifting phase Wireless exciters device and synchronous automatic shifting phase method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201124 Address after: 310016 No. 1187 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG DAHUA TECHNOLOGY Co.,Ltd. Address before: 310051 B3 Floor, Building 1187 Binan Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU TECOMORE Co.,Ltd. |
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| TR01 | Transfer of patent right |