CN107959493A - Inductive switch and its control method - Google Patents
Inductive switch and its control method Download PDFInfo
- Publication number
- CN107959493A CN107959493A CN201711210879.2A CN201711210879A CN107959493A CN 107959493 A CN107959493 A CN 107959493A CN 201711210879 A CN201711210879 A CN 201711210879A CN 107959493 A CN107959493 A CN 107959493A
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- Prior art keywords
- wireless
- module
- inductive switch
- mobile apparatus
- induction host
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 13
- 230000006698 induction Effects 0.000 claims abstract description 37
- 239000004065 semiconductor Substances 0.000 claims abstract description 15
- 230000007613 environmental effect Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004377 microelectronic Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K2017/515—Mechanical switches; Electronic switches controlling mechanical switches, e.g. relais
Abstract
Inductive switch, including wireless induction host and wireless mobile apparatus, wireless induction host include：Wireless module, for broadcast wireless signal and the wireless answering information of reception wireless mobile apparatus standard, the attribute information of the distance between wireless induction host and wireless mobile apparatus value and mobile wireless device is obtained by handling and calculating, and compares distance value and device attribute and gives switch metal-oxide-semiconductor with the difference of predetermined threshold value size and device attribute to export corresponding control signal；Metal-oxide-semiconductor is switched, for carrying out open or close according to the control signal received；Power module, for powering to wireless module.The present invention does sensing detection using the radio frequency signal with bluetooth or the electronic equipment of wifi and inductive switch, and two equipment are in communication with each other control in the range of certain distance；Product cost is low, and performance is stablized, easy to install, greatly improves the intellectualized operation of product.
Description
Technical field
The present invention relates to a kind of inductive switch and its control method.
Background technology
Existing market has the switch of inducing function, is mostly by internet APP transmission, 24G remote controls, 433MHZ remote controls etc.
Method come solve switch open and closed, corresponding product also compare it is more, some are fairly simple, easy to implement, and cost compares
It is low, also there are more complicated, some advantages such as remote control easy to implement, but be primarily present following shortcoming：
1st, fairly simple product function is relatively simple, it is necessary to which supporting remote controler goes to be remotely controlled, if remote controler is broken
Or lose, distant control function just fails at this time；
2nd, more complicated product, although can remote control easy to implement, use cost can increase, and control is reliable
Property is influenced very big by external factor, depends primarily upon the stabilization of network and the quality of control device, impracticable to ordinary user.
Existing 105096556 A of patent application CN disclose a kind of wireless digital sensing controlling switch, pass through the nothing of installation
Line induction module, makes user terminal in the case where that need not change hardware and software conditions, and nothing can be sensed in effective communication distance
Line digital signal, and response is carried out, sensing control module is controlled according to the terminal responds signal sensed and other control conditions
Switch.Feature is that the described method includes use standard radio communications protocol, including the wireless digital communication network such as wifi, bluetooth.
By wireless induction control module send using standard send information point data, when user hold open wifi, bluetooth without
The terminal device of line standard close to the induction module overlay area when, when wireless terminal receives the data of digital broadcasting, meeting
The wireless answering signal of reply standard, wireless digital induction module is according to the response message received and other setting control conditions
Switching signal is produced, realizes switch control.But this application does not disclose specific switch control mode.
The content of the invention
The present invention proposes a kind of performance and stablizes, and greatly improves the inductive switch and its controlling party of the intellectualized operation of product
Method.
The technical solution adopted by the present invention is：
Inductive switch, including wireless induction host and wireless mobile apparatus, it is characterised in that：Wireless induction host includes：
Wireless module, for broadcast wireless signal and the wireless answering information of reception wireless mobile apparatus standard, passes through place
Manage and calculate to obtain the attribute information of the distance between wireless induction host and wireless mobile apparatus value and mobile wireless device,
And compare distance value and device attribute with the difference of predetermined threshold value size and device attribute to export corresponding control signal to switch
Metal-oxide-semiconductor；
Metal-oxide-semiconductor is switched, for carrying out open or close according to the control signal received；
Power module, for powering to wireless module.The present invention is wireless using the electronic equipment with bluetooth or wifi
Radiofrequency signal and inductive switch do sensing detection, and two equipment are in communication with each other control in the range of certain distance；Product cost
Low, performance is stablized, easy to install, greatly improves the intellectualized operation of product.
Further, the calculation formula of distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is when transmitting terminal and receiving terminal are separated by 1 meter
Signal strength；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
Further, wireless module is bluetooth or WIFI module.
Further, switch metal-oxide-semiconductor is relay or MOSFET, and the input terminal of relay passes through triode and wireless module
GPIO interface connects, and the input terminal of MOSFET and the GPIO interface of wireless module connect.
Further, power module include by 220VAC be converted into the AC/DC circuits of 5V direct currents with by 5V voltage stabilizings into the low of 3V3
Pressure difference linear voltage regulator.
The control method of above-mentioned inductive switch, its step include：
Open wireless mobile apparatus；
The timing of wireless induction host is launched generic broadcasted, and movable wireless mobile apparatus can connect in the range of broadcast covers
Receive this characteristic broadcasted and respond itself；
After wireless induction host receives the information that wireless mobile apparatus responds broadcast packet, it can be handled and be calculated and
Obtain address, attribute and the distance value apart from wireless induction host of Target Wireless movement equipment；
Wireless induction host controls the switch of inductive switch by comparing the size of distance value and predetermined threshold value.
Further, when distance value is less than predetermined threshold value, inductive switch is opened；When distance value is more than predetermined threshold value, sense
Inductive switch is closed.
Further, the calculation formula of distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is when transmitting terminal and receiving terminal are separated by 1 meter
Signal strength；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
Further, the wireless module of wireless induction host is bluetooth or WIFI module.
Further, the switch metal-oxide-semiconductor of wireless induction host is relay or MOSFET, relay by wireless module GPIO
Triode is driven to control, MOSFET is directly by the GPIO drive controls of wireless module.
Beneficial effects of the present invention：It is more advanced than traditional switch, Operation switch is gone without hand, takes bluetooth or wifi equipment just
The open and closed of energy controlling switch；It is simpler than the Internet switch, should not network also can wireless short-distance control；It can discharge
Both hands, but solve under no network condition also can automatic sensing controlling switch on and off.
Brief description of the drawings
The structure that Fig. 1 is the present invention opens schematic diagram.
The structure that Fig. 2 is the present invention closes schematic diagram.
Fig. 3 is the circuit diagram of the wireless induction host of the present invention.
Embodiment
The present invention is further described with reference to specific embodiment, but does not limit the invention to these tools
Body embodiment.One skilled in the art would recognize that present invention encompasses may include in Claims scope
All alternatives, improvement project and equivalents.
Embodiment one
Referring to Fig. 1-3, inductive switch, including wireless induction host 2 and wireless mobile apparatus 5, wireless induction host 2 wrap
Include：
Wireless module 4, can be bluetooth module or WIFI module, for broadcast wireless signal and receive wireless mobile apparatus
The wireless answering information of standard, the distance between wireless induction host and mobile wireless device value are obtained by handling and calculating
With the attribute information of wireless mobile apparatus, and compare distance value and device attribute and predetermined threshold value size and the difference of device attribute
Switch metal-oxide-semiconductor is given to export corresponding control signal；
Metal-oxide-semiconductor 3 is switched, can be relay or MOSFET, relay is controlled by the GPIO driving triodes of wireless module
System, MOSFET is directly by the GPIO drive controls of wireless module, for carrying out open or close according to the control signal received；
Power module 1, for powering to wireless module.The present invention is wireless using the electronic equipment with bluetooth or wifi
Radiofrequency signal and inductive switch do sensing detection, and two equipment are in communication with each other control in the range of certain distance；Product cost
Low, performance is stablized, easy to install, greatly improves the intellectualized operation of product.
The calculation formula of the present embodiment distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is when transmitting terminal and receiving terminal are separated by 1 meter
Signal strength；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
The wireless module of the present embodiment insults the Bluetooth chip TLSR8267 of microelectronics using Thailand by taking bluetooth module as an example, this
It is a single-chip bluetooth, there is abundant peripheral hardware, without external microcontroller.Switch metal-oxide-semiconductor is relay or MOSFET, relay
The input terminal of device is connected by the GPIO interface of triode and Bluetooth chip, and the input terminal of MOSFET and the GPIO of Bluetooth chip connect
Mouth connection.The AC/DC circuits that power module uses, are made of devices such as U3, T1,220VAC directly are converted into 5V direct currents,
5V voltage stabilizings are used into 3V3 supply Bluetooth chips using a LDO low pressure difference linear voltage regulator (U2).Corresponding wireless mobile is set
Standby 5 use the mobile phone with Bluetooth function.
The present embodiment given threshold is 3m, and when user holds mobile phone (bluetooth has already turned on), close to bluetooth host, arrival is felt
Answer in region, Bluetooth chip calculates the distance value d of mobile phone and bluetooth host, and when distance value d is more than 3m, then Bluetooth chip controls
Relay (or MOSFET) closes, so as to fulfill the closure of inductive switch.When distance value d is less than 3m, then Bluetooth chip controls
Relay (or MOSFET) is opened, so as to fulfill the opening of inductive switch.
Not by installing extra mobile equipment application between the wireless induction host 2 and wireless mobile apparatus 5 of the present invention
APP processing, which can just sense, detects radiofrequency signal, and the state of the on and off of processing switch is gone by radiofrequency signal.It can be applied to
Bluetooth senses 86 boxes switch, bluetooth sensing access control, bluetooth sensing socket etc. application scenario.
Embodiment two
Referring to Fig. 1-3, a kind of control method of inductive switch, including wireless induction host 2 and wireless mobile apparatus 5, nothing
Line sensing host 2 includes：Wireless module 4, can be bluetooth module or WIFI module, for broadcast wireless signal and receive movement
The wireless answering information of equipment standard, by handle and calculate obtain between wireless induction host and mobile wireless device away from
From value and the attribute information of mobile wireless device, and compare distance value and device attribute and predetermined threshold value size and device attribute
Difference gives switch metal-oxide-semiconductor to export corresponding control signal；Metal-oxide-semiconductor 3 is switched, can be relay or MOSFET, relay is by nothing
The GPIO of wire module drives triode to control, and MOSFET is directly by the GPIO drive controls of wireless module, for according to reception
The control signal arrived carries out open or close；Power module 1, for powering to wireless module；Its step includes：
Open wireless mobile apparatus 5；
Wireless induction host 2 periodically launches generic broadcasted, the movable wireless mobile apparatus meeting in the range of broadcast covers
Receive this characteristic broadcasted and respond itself；
After wireless induction host 2 receives the information that wireless mobile apparatus 5 responds broadcast packet, it can be handled and be calculated
To obtain address, attribute and the distance value apart from wireless induction host 2 of Target Wireless movement equipment 5；
Wireless induction host 2 controls the switch of inductive switch by comparing the size of distance value and predetermined threshold value；When away from
When being less than predetermined threshold value from value, inductive switch is opened；When distance value is more than predetermined threshold value, inductive switch is closed.
The calculation formula of the present embodiment distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is when transmitting terminal and receiving terminal are separated by 1 meter
Signal strength；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
The wireless module of the present embodiment insults the Bluetooth chip TLSR8267 of microelectronics using Thailand by taking bluetooth module as an example, this
It is a single-chip bluetooth, there is abundant peripheral hardware, without external microcontroller.Switch metal-oxide-semiconductor is relay or MOSFET, relay
The input terminal of device is connected by the GPIO interface of triode and Bluetooth chip, and the input terminal of MOSFET and the GPIO of Bluetooth chip connect
Mouth connection.The AC/DC circuits that power module uses, are made of devices such as U3, T1,220VAC directly are converted into 5V direct currents,
5V voltage stabilizings are used into 3V3 supply Bluetooth chips using a LDO low pressure difference linear voltage regulator (U2).Corresponding wireless mobile is set
Standby 5 use the mobile phone with Bluetooth function.
The present embodiment given threshold is 3m, and when user holds mobile phone (bluetooth has already turned on), close to bluetooth host, arrival is felt
Answer in region, Bluetooth chip calculates the distance value d of mobile phone and bluetooth host, and when distance value d is more than 3m, then Bluetooth chip controls
Relay (or MOSFET) closes, so as to fulfill the closure of inductive switch.When distance value d is less than 3m, then Bluetooth chip controls
Relay (or MOSFET) is opened, so as to fulfill the opening of inductive switch.
It can sense without being handled by APP between the wireless induction host 2 and wireless mobile apparatus 5 of the present invention and detect and penetrate
Frequency signal, the state of the on and off of processing switch is gone by radiofrequency signal.It can be applied to bluetooth and sense 86 boxes switch, bluetooth sense
Answer access control, bluetooth sensing socket etc. application scenario.
Claims (10)
1. inductive switch, including wireless induction host and wireless mobile apparatus, it is characterised in that：Wireless induction host includes：
Wireless module, for broadcast wireless signal and receive wireless mobile apparatus standard wireless answering information, by processing and
Calculate to obtain the attribute information of the distance between wireless induction host and wireless mobile apparatus value and mobile wireless device, and compare
Compared with distance value and device attribute switch MOS is given to export corresponding control signal with the difference of predetermined threshold value size and device attribute
Pipe；
Metal-oxide-semiconductor is switched, for carrying out open or close according to the control signal received；
Power module, for powering to wireless module.
2. inductive switch according to claim 1, it is characterised in that：The calculation formula of distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is signal when transmitting terminal and receiving terminal are separated by 1 meter
Intensity；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
3. inductive switch according to claim 1, it is characterised in that：Wireless module is bluetooth or WIFI module.
4. inductive switch according to claim 1, it is characterised in that：Switch metal-oxide-semiconductor is relay or MOSFET, relay
Input terminal pass through the GPIO interface of triode and wireless module and connect, the input terminal of MOSFET and the GPIO interface of wireless module
Connection.
5. the inductive switch according to one of Claims 1 to 4, it is characterised in that：Power module includes changing 220VAC
AC/DC circuits into 5V direct currents and the low pressure difference linear voltage regulator by 5V voltage stabilizings into 3V3.
6. the control method of inductive switch according to claim 1, its step includes：
Open wireless mobile apparatus；
The timing of wireless induction host is launched generic broadcasted, and movable wireless mobile apparatus can receive this in the range of broadcast covers
It is a to broadcast and respond the characteristic of itself；
After wireless induction host receives the information that wireless mobile apparatus responds broadcast packet, it can be handled and be calculated to obtain
Target Wireless moves address, attribute and the distance value apart from wireless induction host of equipment；
Wireless induction host controls the switch of inductive switch by comparing the size of distance value and predetermined threshold value.
7. control method according to claim 6, it is characterised in that：When distance value is less than predetermined threshold value, inductive switch
Open；When distance value is more than predetermined threshold value, inductive switch is closed.
8. control method according to claim 6, it is characterised in that：The calculation formula of distance value is as follows：
D=10^ ((abs (RSSI)-A)/(10*n))
Wherein：D is calculating gained distance；RSSI is received signal strength；A is signal when transmitting terminal and receiving terminal are separated by 1 meter
Intensity；N is the environmental attenuation factor；Abs functions are to obtain the absolute value of number of targets.
9. control method according to claim 6, it is characterised in that：The wireless module of wireless induction host for bluetooth or
WIFI module.
10. according to the control method described in one of claim 6-9, it is characterised in that：The switch metal-oxide-semiconductor of wireless induction host is
Relay or MOSFET, relay are controlled by the GPIO driving triodes of wireless module, and MOSFET is directly by wireless module
GPIO drive controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210879.2A CN107959493A (en) | 2017-11-28 | 2017-11-28 | Inductive switch and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210879.2A CN107959493A (en) | 2017-11-28 | 2017-11-28 | Inductive switch and its control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107959493A true CN107959493A (en) | 2018-04-24 |
Family
ID=61959458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210879.2A Pending CN107959493A (en) | 2017-11-28 | 2017-11-28 | Inductive switch and its control method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108900964A (en) * | 2018-06-07 | 2018-11-27 | 安徽融合智能科技有限公司 | Intelligent switch device and control method based on bluetooth ranging |
| CN109215415A (en) * | 2018-10-22 | 2019-01-15 | 天津天创数字科技有限公司 | The exchange method of showpiece explanation content based on bluetooth positioning |
| CN110070652A (en) * | 2019-04-26 | 2019-07-30 | 广东昇辉电子控股有限公司 | A kind of access control method, system, electronic equipment and storage medium |
| CN110349395A (en) * | 2019-07-08 | 2019-10-18 | 河南理工大学 | Intelligence based on RSSI ranging can turn off total power switch system |
| CN110495897A (en) * | 2018-05-16 | 2019-11-26 | 通用电气公司 | The mobile control system and method for mobile device |
| CN114170781A (en) * | 2021-11-18 | 2022-03-11 | 广州大学 | Intelligent socket control system, method and device and storage medium |
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| US20170117891A1 (en) * | 2014-06-02 | 2017-04-27 | Xyz Interactive Technologies Inc. | Touch-less switching |
| CN107103673A (en) * | 2017-05-24 | 2017-08-29 | 广州跨行网络科技有限公司 | Automatic sensing gate control system and its implementation based on Bluetooth of mobile phone |
| CN207530798U (en) * | 2017-11-28 | 2018-06-22 | 杭州阔联科技有限公司 | Inductive switch |
-
2017
- 2017-11-28 CN CN201711210879.2A patent/CN107959493A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170117891A1 (en) * | 2014-06-02 | 2017-04-27 | Xyz Interactive Technologies Inc. | Touch-less switching |
| CN107103673A (en) * | 2017-05-24 | 2017-08-29 | 广州跨行网络科技有限公司 | Automatic sensing gate control system and its implementation based on Bluetooth of mobile phone |
| CN207530798U (en) * | 2017-11-28 | 2018-06-22 | 杭州阔联科技有限公司 | Inductive switch |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495897A (en) * | 2018-05-16 | 2019-11-26 | 通用电气公司 | The mobile control system and method for mobile device |
| CN110495897B (en) * | 2018-05-16 | 2023-09-05 | 通用电气公司 | Mobile control system and method for mobile equipment |
| CN108900964A (en) * | 2018-06-07 | 2018-11-27 | 安徽融合智能科技有限公司 | Intelligent switch device and control method based on bluetooth ranging |
| CN109215415A (en) * | 2018-10-22 | 2019-01-15 | 天津天创数字科技有限公司 | The exchange method of showpiece explanation content based on bluetooth positioning |
| CN110070652A (en) * | 2019-04-26 | 2019-07-30 | 广东昇辉电子控股有限公司 | A kind of access control method, system, electronic equipment and storage medium |
| CN110349395A (en) * | 2019-07-08 | 2019-10-18 | 河南理工大学 | Intelligence based on RSSI ranging can turn off total power switch system |
| CN114170781A (en) * | 2021-11-18 | 2022-03-11 | 广州大学 | Intelligent socket control system, method and device and storage medium |
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