CN109613953A - A kind of electricity-getting switch control device and its control method - Google Patents
A kind of electricity-getting switch control device and its control method Download PDFInfo
- Publication number
- CN109613953A CN109613953A CN201910063352.4A CN201910063352A CN109613953A CN 109613953 A CN109613953 A CN 109613953A CN 201910063352 A CN201910063352 A CN 201910063352A CN 109613953 A CN109613953 A CN 109613953A
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- China
- Prior art keywords
- circuit
- central controller
- electricity
- control device
- switch control
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
Abstract
A kind of electricity-getting switch control device and its control method, electricity-getting switch control device includes ON-OFF control circuit, it further include the autonomous central controller and power amplification circuit generated with contactless card same frequency modulated signal, central controller is sequentially connected electrically by power amplification circuit and resonance circuit, detecting circuit, and central controller is electrically connected with ON-OFF control circuit.The electricity-getting switch control device, further includes integrating circuit, and central controller is sequentially connected electrically by power amplification circuit and resonance circuit, detecting circuit, integrating circuit.The electricity-getting switch control device, further includes coupling circuit, and central controller is sequentially connected electrically by power amplification circuit and resonance circuit, detecting circuit, integrating circuit, coupling circuit.The resonance circuit is the antiresonant circuit with antenna or the series resonant circuit with antenna.The central controller is electrically connected with clock signal circuit.The central controller is electrically connected by signal polarity negater circuit with power amplification circuit.The present invention has the characteristics that high sensitivity.
Description
Technical field
The present invention relates to a kind of electricity-getting switch control device and its control methods.
Background technique
With manufacturing innovation and development is switched, more and more switches use metal material as panel material, and
And it is firm using steel or irony mounting bracket in order to install.These metal materials have absorption to the signal of induction electricity-getting switch
Effect, lead to the sensitivity decrease of electricity-getting switch, thus there are many electricity-getting switch plug-in card cannot normally take electricity.
207368894 U of Chinese patent literature CN disclosed a kind of plug-and-consume switch on May 15th, 2018, packet
Include AC input current rectifying and wave filtering circuit, power conversion circuit, output rectification filter voltage regulator circuit and control circuit, the positive and negative anodes of power supply
Connect respectively with the input terminal of the AC input current rectifying and wave filtering circuit, the output end of the AC input current rectifying and wave filtering circuit with it is described
The input terminal of power conversion circuit connects, the output end of the power conversion circuit and the output rectification filter voltage regulator circuit
Input terminal connection, the output end of the output rectification filter voltage regulator circuit are connect with the input terminal of the control circuit, the control
Circuit processed is connect with plug-in card control switch.The power conversion circuit includes power supply chip and transformer, first resistor and second
The output end of resistance, the AC input current rectifying and wave filtering circuit is connect with the first end of the armature winding of the transformer, the change
The D drain lead of the mos pipe of the second end and power supply chip of the armature winding of depressor connects, second capacitor and the power supply
The BP bypass pin of chip connects, and is provided with the first resistor and second resistance on the second biasing winding of the transformer.
Summary of the invention
The purpose of the present invention is intended to provide the electricity-getting switch control device and its control method of a kind of high sensitivity, to overcome
Shortcoming in the prior art.
By a kind of electricity-getting switch control device that this purpose designs, including ON-OFF control circuit, structure feature are also to wrap
The autonomous central controller and power amplification circuit generated with contactless card same frequency modulated signal is included, central controller passes through power amplification circuit
It is sequentially connected electrically with resonance circuit, detecting circuit, central controller is electrically connected with ON-OFF control circuit.
Further, the electricity-getting switch control device, further includes integrating circuit, central controller by power amplification circuit with
Resonance circuit, detecting circuit, integrating circuit are sequentially connected electrically.
Further, the electricity-getting switch control device, further includes coupling circuit, central controller by power amplification circuit with
Resonance circuit, detecting circuit, integrating circuit, coupling circuit are sequentially connected electrically.
Further, the resonance circuit is the antiresonant circuit with antenna or the series resonant circuit with antenna.
Further, the central controller is electrically connected with clock signal circuit.
Further, the central controller is electrically connected by signal polarity negater circuit with power amplification circuit.
Further, the power amplification circuit is electrically connected by coupled capacitor with resonance circuit.
Further, the central controller is electrically connected with reset circuit.
Further, the model 12F1822 of the central controller.
Further, the electricity-getting switch control device, further includes filter circuit of pressure-stabilizing and relay drive circuit.
A kind of control method of electricity-getting switch control device, it is characterized in that the following steps are included:
Step 1, electricity-getting switch power on；
Step 2, central controller reset；
Step 3, central controller issue modulated signal；
Step 4, power amplification circuit enhanced modulation signal；
Step 5, central controller detect and judge whether there is contactless card；
Step 6 enters step five when judging result is " no card "；When judging result is " having card ", enter step
Seven；
Step 7, central controller output control signal；
Step 8, central controller detect and judge whether there is contactless card；
Step 9 enters step ten when judging result is " no card "；When judging result is " having card ", enter step
Seven；
Step 10, central controller is through delay after a period of time；
Step 11, central controller detect and judge whether there is contactless card；
Step 12 enters step 13 when judging result is " no card "；When judging result is " having card ", enter
Step 5；
Step 13, central controller turn off the switch control signal, enter step five.
Whether by receiving contactless card to the feedback signal of the contactless card of same frequency, tell in electricity-getting switch has the present invention
It is inserted with contactless card；Wherein, central controller, which can be generated independently, passes through power amplification electricity with contactless card same frequency modulated signal, central controller
Road is sequentially connected electrically with resonance circuit, detecting circuit, and central controller is electrically connected with ON-OFF control circuit, enhances electricity by digital signal
Road increases the power of modulated signal output, improves the intensity of rf modulated signal, the intensity of the rf modulated signal is enough to penetrate
Metallic support or metal shell guarantee that contactless card can receive modulated signal and antenna and can receive contactless card feedback letter
Number, to improve the sensitivity of electricity-getting switch.
Central controller can be passed through signal polarity negater circuit and power amplification electricity to realize better control by the present invention
Road electrical connection, the signal polarity that central controller generates is identical with the polarity of output, writes control software consequently facilitating improving
Precision and accuracy.
In conclusion the present invention has the characteristics that high sensitivity.
Detailed description of the invention
Fig. 1 is the control principle block diagram of first embodiment of the invention.
Fig. 2 is the circuit connection diagram of the first embodiment of the present invention.
Fig. 3 is the connection schematic diagram of filter circuit of pressure-stabilizing.
Fig. 4 is the connection schematic diagram of relay drive circuit.
Fig. 5 is the control flow chart of first embodiment of the invention.
The circuit connection diagram of Fig. 6 second embodiment of the present invention.
In figure: 1 is clock signal circuit, and 2 be power amplification circuit, and 3 be resonance circuit, and 4 be detecting circuit, and 5 be integral
Circuit, 6 be coupling circuit, and 7 be reset circuit, and 8 be signal polarity negater circuit, and 9 be filter circuit of pressure-stabilizing, and 10 drive for relay
Dynamic circuit, TX is antenna.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Referring to Fig. 1-Fig. 5, this electricity-getting switch control device, including ON-OFF control circuit further include autonomous generate and induction
The central controller U1 and power amplification circuit 2 of card same frequency modulated signal, central controller U1 pass through power amplification circuit 2 and resonance circuit
3, detecting circuit 4 is sequentially connected electrically, and central controller U1 is electrically connected with ON-OFF control circuit.
In the present embodiment, the electricity-getting switch control device, further includes integrating circuit 5, and central controller U1 passes through power
Amplifying circuit 2 is sequentially connected electrically with resonance circuit 3, detecting circuit 4, integrating circuit 5.
Integrating circuit 5 is mainly used for the elimination of 2 offset voltage of power amplification circuit.
The electricity-getting switch control device, further includes coupling circuit 6, central controller U1 by power amplification circuit 2 with it is humorous
Vibration circuit 3, detecting circuit 4, integrating circuit 5, coupling circuit 6 are sequentially connected electrically.
The resonance circuit 3 is the antiresonant circuit with antenna or the series resonant circuit with antenna.
The central controller U1 is electrically connected with clock signal circuit 1.
The power amplification circuit 2 is electrically connected by coupled capacitor C2 with resonance circuit 3.
The central controller U1 is electrically connected with reset circuit 7.
The central controller U1 is single-chip microcontroller.The model 12F1822 of central controller U1.
The electricity-getting switch control device further includes filter circuit of pressure-stabilizing 9.
The electricity-getting switch control device further includes relay drive circuit 10.
A kind of control method of electricity-getting switch control device, comprising the following steps:
Step 1, electricity-getting switch power on.
Step 2, central controller reset.
Step 3, central controller issue modulated signal.
Step 4,2 enhanced modulation signal of power amplification circuit.
Step 5, central controller detect and judge whether there is contactless card.
Step 6 enters step five when judging result is " no card "；When judging result is " having card ", enter step
Seven.
Step 7, central controller output control signal.
Step 8, central controller detect and judge whether there is contactless card.
Step 9 enters step ten when judging result is " no card "；When judging result is " having card ", enter step
Seven.
Step 10, central controller is through delay after a period of time；In the present embodiment, delay time is 5~60 seconds.
Step 11, central controller detect and judge whether there is contactless card.
Step 12 enters step 13 when judging result is " no card "；When judging result is " having card ", enter
Step 5.
Step 13, central controller turn off the switch control signal, enter step five.
In the present embodiment, switch control signal is that the control for control switch closing of circuit that central controller issues is believed
Number.
Second embodiment
Referring to Fig. 6, in the present embodiment, the central controller U1 passes through signal polarity negater circuit 8 and power amplification circuit 2
Electrical connection.
First embodiment is seen in remaining not described part, repeats no more.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of electricity-getting switch control device, the ON-OFF control circuit including electricity-getting switch, it is characterized in that further including independently generating
With the central controller (U1) and power amplification circuit (2) of contactless card same frequency modulated signal, central controller (U1) passes through power amplification electricity
Road (2) is sequentially connected electrically with resonance circuit (3), detecting circuit (4), and central controller (U1) is electrically connected with ON-OFF control circuit.
2. electricity-getting switch control device according to claim 1, it is characterized in that further including integrating circuit (5), central controller
(U1) it is sequentially connected electrically by power amplification circuit (2) with resonance circuit (3), detecting circuit (4), integrating circuit (5).
3. electricity-getting switch control device according to claim 2, it is characterized in that further including coupling circuit (6), central controller
(U1) successively by power amplification circuit (2) and resonance circuit (3), detecting circuit (4), integrating circuit (5), coupling circuit (6)
Electrical connection.
4. electricity-getting switch control device according to any one of claims 1 to 3, it is characterized in that the resonance circuit (3) is band
The antiresonant circuit of antenna or series resonant circuit with antenna.
5. electricity-getting switch control device according to claim 4, it is characterized in that the central controller (U1) and clock signal electricity
Road (1) electrical connection.
6. electricity-getting switch control device according to claim 4, it is characterized in that the central controller (U1) passes through signal polarity
Negater circuit (8) is electrically connected with power amplification circuit (2).
7. electricity-getting switch control device according to claim 4, it is characterized in that the power amplification circuit (2) passes through coupling
Capacitor (C2) is electrically connected with resonance circuit (3).
8. electricity-getting switch control device according to claim 4, it is characterized in that the central controller (U1) and reset circuit (7)
Electrical connection.
9. electricity-getting switch control device according to claim 4, it is characterized in that further including filter circuit of pressure-stabilizing (9) and relay
Device driving circuit (10).
10. a kind of control method of electricity-getting switch control device as described in claim 1.It is characterized in that the following steps are included:
Step 1, electricity-getting switch power on；
Step 2, central controller reset；
Step 3, central controller issue modulated signal；
Step 4, power amplification circuit (2) enhanced modulation signal；
Step 5, central controller detect and judge whether there is contactless card；
Step 6 enters step five when judging result is " no card "；When judging result is " having card ", seven are entered step；
Step 7, central controller output control signal；
Step 8, central controller detect and judge whether there is contactless card；
Step 9 enters step ten when judging result is " no card "；When judging result is " having card ", seven are entered step；
Step 10, central controller is through delay after a period of time；
Step 11, central controller detect and judge whether there is contactless card；
Step 12 enters step 13 when judging result is " no card "；When judging result is " having card ", enter step
Five；
Step 13, central controller turn off the switch control signal, enter step five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063352.4A CN109613953A (en) | 2019-01-23 | 2019-01-23 | A kind of electricity-getting switch control device and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910063352.4A CN109613953A (en) | 2019-01-23 | 2019-01-23 | A kind of electricity-getting switch control device and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109613953A true CN109613953A (en) | 2019-04-12 |
Family
ID=66017129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910063352.4A Pending CN109613953A (en) | 2019-01-23 | 2019-01-23 | A kind of electricity-getting switch control device and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109613953A (en) |
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2019
- 2019-01-23 CN CN201910063352.4A patent/CN109613953A/en active Pending
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