CN108154061A - A kind of control system for controlling electrical equipment power on/off - Google Patents
A kind of control system for controlling electrical equipment power on/off Download PDFInfo
- Publication number
- CN108154061A CN108154061A CN201810141886.XA CN201810141886A CN108154061A CN 108154061 A CN108154061 A CN 108154061A CN 201810141886 A CN201810141886 A CN 201810141886A CN 108154061 A CN108154061 A CN 108154061A
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- electrical equipment
- reader
- controller
- induction antenna
- switch
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- 230000006698 induction Effects 0.000 claims abstract description 65
- 230000001939 inductive effect Effects 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000007639 printing Methods 0.000 claims description 3
- 206010014357 Electric shock Diseases 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000700647 Variola virus Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
-
- 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
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to smart home fields, particularly a kind of control system for controlling electrical equipment power on/off, including inductive switch component, the reader to match with inductive switch component and the controller being electrically connected with reader, controller is electrically connected with electrical equipment, inductive switch component includes induction antenna, IC chip and key switch, the induction antenna and reader signal communication, wherein, by the opening and closing for triggering key switch, realize the induction antenna information that is carried of transmission IC chip to reader, after reader reads the information that induction antenna is sent out, the reader is decoded information and is transmitted to controller, by the energization or power-off of controller control electrical equipment.The control system of the present invention can realize household electricity equipment automatic power on-off, and control switch requires no connection to alternating current, prevents user from electric shock risk occurs, simultaneously, from anywhere in control switch can also be arbitrarily placed in family, the ease of use of user is improved.
Description
Technical field
The present invention relates to a kind of smart home field, particularly a kind of control system for controlling electrical equipment power on/off.
Background technology
Existing house fitting-up is required for arranging line in wall, and line is electrically connected to embedded wall
Interior switch controls the power on/off of household electrical appliance by Wall-type switch, for example, household illuminating lamp, TV, air-conditioning, washing machine, kitchen
Room electric appliance etc..Since Wall-type switch can only be installed on the fixed position of wall, not only unsightly, but also user's operation is or not appearance
Just, also, Wall-type switch installation is complicated, needs professional electrician that could install.Meanwhile Wall-type switch is mechanical switch, is made for a long time
With rear easily there are mechanical wear, disassembling, assembling and replacing or repair are very inconvenient.In addition, due to Wall-type switch directly with alternating current forceful electric power
Connection, when switching damage, user's self-maintain or replace when be also easy in the presence of get an electric shock risk.
Invention content
In order to solve the above-mentioned technical problem the present invention, provides a kind of control system for controlling electricity consumption setting power on/off, the control
System processed realizes electrical equipment automatic power on-off by Radio Frequency Identification Technology (RFID), and switch is controlled to require no connection to city
Electricity, the risk that can prevent user from getting an electric shock, meanwhile, control switch can also arbitrarily be placed in family anyly
Side improves the ease of use of user.
In order to achieve the above object, the present invention adopts the following technical scheme that：A kind of control for controlling electrical equipment power on/off
System, it is characterised in that：It the reader that matches including inductive switch component, with inductive switch component and is electrically connected with reader
Controller, the controller is electrically connected with electrical equipment, and the inductive switch component includes induction antenna, IC chip and button
Switch, the induction antenna and reader signal communication, wherein, by triggering the opening and closing of key switch, realize that induction antenna passes
Sending the information that IC chip is carried, after reader reads the information that induction antenna is sent out, the reader is to letter to reader
Breath is decoded and is transmitted to controller, by the energization or power-off of controller control electrical equipment.
Further, the RF tag that the induction antenna and IC chip are formed is ultrahigh-frequency radio-frequency tag, and its work
Frequency is 840MHz~960MHz.
Further, the key switch is between induction antenna and IC chip, and respectively with induction antenna and IC cores
Piece is electrically connected, and when triggering key switch closure, reader reads IC chip information, and controller control electrical equipment is powered.
Further, automatic-opening reset type switch after the key switch is closed for triggering every time, when touching again
When sending out key switch closure, reader transmits IC chip information to controller, controller control electrical equipment power-off.
Further, the induction antenna includes the first induction antenna and the second induction antenna, first induction antenna
Be electrically connected respectively with IC chip with the second induction antenna, and key switch be set to the first induction antenna and the second induction antenna it
Between, when triggering key switch unlatching, reader reads IC chip information, and controller control electrical equipment is powered.
Further, the reset type switch that can be closed automatically after the key switch is opened for triggering every time, when touching again
When sending out key switch unlatching, reader transmits IC chip information to controller, controller control electrical equipment power-off.
Further, the reader includes read module and active antenna, the active antenna and induction antenna signal
Communication, and active antenna have it is multiple, multiple active antennas are electrically connected respectively with read module.
Further, the reader further includes time-shared switch module, and the multiple active antenna passes through time-shared switch mould
Block is connected respectively with read module.
Further, the controller includes processor and driving switch, and the processor is communicated to connect with reader, institute
Driving switch is stated to be electrically connected with electrical equipment, the processor receive after the information of reader transmission the connection of control driving switch or
It disconnects, realizes the energization or power-off of electrical equipment.
Further, the inductive switch component is mounted on wall；
Alternatively, the inductive switch component is pasted on wall；
Alternatively, the inductive switch component is printing film；
Alternatively, the inductive switch component is the hand-held remote control unit with key switch.
The control switch of present invention control electrical equipment power on/off is inductive switch component, has in inductive switch component and penetrates
Frequency marking label can also be provided with reader in home wall, when inductive switch component acts, radio frequency mark is read using reader
The information of label automatically controls the power on/off of electrical equipment so as to fulfill controller.Its operation principle is mainly using " radio frequency is known
Other technology " (RFID), what is utilized is radio communication, i.e. electromagnetic wave.General reader can have the master sent and received signal
Dynamic antenna and read module, when active antenna is in certain distance with RF tag, the electromagnetic wave that active antenna is sent out can quilt
Induction antenna in RF tag receives, since the frequency of electromagnetic wave is identical with the resonant frequency of induction antenna, so as to cause
Induction antenna generates the alternating current of same frequency, thus in the IC chip in energy input to RF tag, meanwhile, IC cores
Integrated circuit in piece launches one section of electromagnetic wave for carrying IC chip information to master by induction antenna again under energy driving
By the signal transmission received to read module, reading, read module are decoded by read module again for dynamic antenna, active antenna
Decoded information is sent to controller, and carry out logical operation with the information of controller original storage, so as to fulfill control
Device automatically controls the energization or power-off of electrical equipment.
For the present invention, inductive switch component does not need to directly be electrically connected with city, can completely avoid user
The risk of electric shock, meanwhile, inductive switch component can be placed in any position of family, can both be fixedly mounted or detachably
Be installed in home wall or the remote control unit of hand-held.For Wall-type switch compared with the prior art, installation
With use enhanced convenience.In addition, even if inductive switch component is damaged, it is also convenient for replacing or repairs, completely without special
Industry electrician is repaired or replaced.For the control system of the present invention, do not need to be special and switching line is arranged in wall
Road, decoration cost is lower, and home wall surfacing, and more beautiful.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the schematic diagram of the embodiment of the present invention one；
Fig. 2 is the schematic block circuit diagram of control system in Fig. 1；
Fig. 3 is the schematic diagram of the embodiment of the present invention two；
Fig. 4 is the schematic block circuit diagram of the embodiment of the present invention three.
Specific embodiment
Embodiment one：
It is as shown in Figure 1 and Figure 2 the first embodiment of the invention.A kind of control system for controlling electrical equipment power on/off, packet
Inductive switch component 1, the reader 2 to match with inductive switch component 1 and the controller 3 being electrically connected with reader 2 are included, it is described
Controller 3 is electrically connected with electrical equipment 4, and the inductive switch component 1 and 2 signal communication of reader sense when reader 2 is read
After the information that switch module 1 is sent out, the reader 2 is decoded information and is transmitted to controller 3, is controlled by controller 3
The energization or power-off of electrical equipment 4.
The control system of the present embodiment in family, wherein, electrical equipment 4 can be TV, air-conditioning, washing machine,
Headlamp or kitchen appliance etc..Inductive switch component 1 is mounted in home wall 51, and reader 2 is installed on family's smallpox
In plate 52.The inductive switch component 1 includes induction antenna 11, IC chip 12 and key switch 13, wherein, key switch 13
It between induction antenna 11 and IC chip 12, and is electrically connected respectively with induction antenna 11 and IC chip 12, also, reader 2 wraps
Include read module 22 and one actively burst at the seams 21, when actively burst at the seams 21 be separated by a certain distance with induction antenna 11 when, and triggering is pressed
When key switch 13 is closed, reader 2 can read 12 information of IC chip, also, the information of reading is decoded simultaneously by reader 2
Controller 3 is transmitted to, electrical equipment 4 is controlled to be powered by controller 3.
In the present embodiment, the control switch of control electrical equipment power on/off is inductive switch component, in inductive switch component
With RF tag, when inductive switch component acts, the information of RF tag is read using reader, so as to fulfill control
Device automatically controls the power on/off of electrical equipment.Its operation principle mainly using " Radio Frequency Identification Technology " (RFID), utilizes
Radio communication, i.e. electromagnetic wave.When active antenna and RF tag are in certain distance, electromagnetic wave that active antenna is sent out
It can be received by the induction antenna in RF tag, since the frequency of electromagnetic wave is identical with the resonant frequency of induction antenna, so as to
Induction antenna is caused to generate the alternating current of same frequency, thus in the IC chip in energy input to RF tag, meanwhile,
Integrated circuit in IC chip launches the electromagnetic wave of one section of carrying IC chip information by induction antenna again under energy driving
To active antenna, by the signal transmission received to read module, reading is decoded by read module again for active antenna, is read
Decoded information is sent to controller, and carry out logical operation with the information of controller original storage by module, so as to fulfill
Controller automatically controls the energization or power-off of electrical equipment.
For the present embodiment, inductive switch component does not need to directly be electrically connected with city, can completely avoid user's hair
The raw risk got an electric shock, meanwhile, inductive switch component can be placed in any position of family, can both be fixedly mounted or removable
Unload be installed in home wall or the remote control unit of hand-held.For Wall-type switch compared with the prior art, peace
Fill and use enhanced convenience.In addition, even if inductive switch component is damaged, it is also convenient for replacing or repairs, completely without
Professional electrician is repaired or replaced.For the control system of the present invention, do not need to be special and switch is arranged in wall
Circuit, decoration cost is lower, and home wall surfacing, and more beautiful.
It should be noted that for the present embodiment, when triggering key switch and opening, induction antenna and IC chip it
Between cannot be formed into a loop, IC chip information can not be transmitted to reader by induction antenna, and therefore, controller can control electrical equipment
Power-off.Certainly, for the present embodiment, key switch may be after each triggering is closed automatic-opening homing position type open
It closes, after key switch is closed for the first time, the IC chip information of reading is transmitted to controller by reader, realizes controller control
Electrical equipment is powered, meanwhile, key switch is due to being reset type switch, and can automatically reset unlatching after pressing.When pressing again
During key switch, reader transmits IC chip information to controller again, and controller can be controlled according to the program originally set
Electrical equipment power-off processed, can use as the remote controler of hand-held so as to fulfill inductive switch component, be switched by one-touch, real
It is now powered, then the purpose for realizing power-off is switched by one-touch.
For the present embodiment, RF tag used in inductive switch component is ultrahigh-frequency radio-frequency tag.Its work
Frequency is that the RF tag that the induction antenna is formed with IC chip is ultrahigh-frequency radio-frequency tag, and its working frequency is 840MHz
~960MHz, and transmission range reaches 10 meters or more, fits entirely into family and uses.Meanwhile the read-write in the present embodiment
Device is identical with the working frequency of ultrahigh-frequency radio-frequency tag, the signal communication between can realizing.
It for the inductive switch component of the present embodiment, can be fixedly installed on wall, can also removably pacify
Any position loaded on family, meanwhile, inductive switch component can also be printed as film by way of printing, then by viscous
The mode of patch is installed on wall.Also, for the present embodiment, the communication connection of reader and controller can be to have
The communication connection of line form, or wireless communication.It should be noted that the above structure transformation for the present embodiment also may be used
To be suitable for the invention in other embodiments.
Embodiment two：
As shown in figure 3, for second of embodiment of the invention.The present embodiment and embodiment one the difference lies in：This implementation
In example, the induction antenna includes the first induction antenna 111 and the second induction antenna 112, first induction antenna 111 and the
Two induction antennas 112 are electrically connected respectively with IC chip 12, and key switch 13 is set to the first induction antenna 111 and the second sensing
Between antenna 112, when triggering the unlatching of key switch 13, reader reads 12 information of IC chip, and controller control electricity consumption is set
It is standby to be powered.
In the present embodiment, since key switch is set between the first induction antenna and the second induction antenna, when button is opened
When closing in opening, the first induction antenna is respectively communicated with the second induction antenna, realizes the first induction antenna and the second sense
Antenna is answered to carry out signal communication with reader simultaneously.But work as key switch in the closure state, the closure of key switch is destroyed
The transmission signal circuit of inductive switch component so that the first induction antenna and the second induction antenna can not carry out letter with reader
Signal communication, so as to which reader also can not just read the information of IC chip and be transmitted to controller.Therefore, controller control electricity consumption is set
Standby power-off.
For the present embodiment, key switch may be that the homing position type that can be closed automatically after each triggering is opened is opened
It closes, when triggering key switch is opened again, reader transmits IC chip information to controller, and controller can control electricity consumption to set
Standby power-off.I.e. key switch is opened primary, and electrical equipment is powered, and key switch is closed immediately, when key switch is then turned on once,
Electrical equipment powers off, and key switch is closed immediately.
It should be noted that the structure for the present embodiment is readily applicable to other embodiments of the invention.
Embodiment three：
As shown in figure 4, for the third embodiment of the invention.The present embodiment is the improvement done on the basis of embodiment one.And
And the key switch in the present embodiment is using the reset switch for the unlatching that can automatically reset.For the present embodiment, actively
Antenna have it is multiple, including active antenna A, active antenna B and active antenna C, also, each active antenna respectively with read module
Electrical connection.
Wherein, active antenna A can be installed on the ceiling or wall in family parlor, and active antenna B can be installed
In bedroom ceiling either on wall and active antenna C can be installed on the ceiling or wall of kitchen or lavatory,
It can realize no matter inductive switch component is installed on family where, can have active antenna to be opened with sensing using multiple active antennas
Close the induction antenna signal communication of component.
In the present embodiment, multiple active antennas are also connected with read module respectively by time-shared switch module.It is because multiple
If active antenna is connected simultaneously with read module, the load that read module is born is larger, and reader bulk life time will
It greatly shortens, at the same time, if multiple active antennas work at the same time, it is also possible to existing mutually dry between each active antenna
It disturbs, influences normally receiving or sending for signal.
Also, for the present embodiment, controller includes processor and driving switch, processor and reader communication link
It connects, driving switch is electrically connected with electrical equipment, and processor can receive the information of reader transmission, then be handled, then lead to
The connection or disconnection of control driving switch are crossed, realizes the energization or power-off of electrical equipment.The control system of the present embodiment is unlimited
In applied to family, enterprise either factory or the arbitrary fixed-site with electrical equipment can also be applied to.
In addition, for the present embodiment, as a result of multiple active antennas and induction antenna signal communication.It realizes and uses
Family can control the energization or power-off of electrical equipment in any corner of family.It is used compared to one inductive switch component of embodiment
RF tag for the RF tag of ultra-high frequency for, the RF tag of the present embodiment can be with frequency of use less than 840MHz's
RF tag, because frequency is lower, the distance of signal communication is also just smaller, if wanting to realize short haul connection, mutually in requisition for master
The distance of dynamic antenna and induction antenna is the smaller the better.Therefore, the present embodiment, by the way that multiple active antennas are installed on family not
Same position can realize that always there are one the purposes that active antenna can realize short haul connection with induction antenna.
It should be noted that the above structure for the present embodiment converts, it is readily applicable to other implementations of the present invention
In example.
Those skilled in the art should be understood that the present invention includes but not limited to attached drawing and above specific embodiment
Described in content.The modification of any function and structure principle without departing from the present invention is intended to be included in the range of claims
In.
Claims (10)
1. a kind of control system for controlling electrical equipment power on/off, it is characterised in that：Including inductive switch component and inductive switch
The reader that component matches and the controller being electrically connected with reader, the controller are electrically connected with electrical equipment, the sense
Inductive switch component includes induction antenna, IC chip and key switch, the induction antenna and reader signal communication, wherein, lead to
Cross the opening and closing of triggering key switch, the information that realization induction antenna transmission IC chip is carried to reader, when reader is read
After the information that induction antenna is sent out, the reader is decoded information and is transmitted to controller, and electricity consumption is controlled by controller
The energization or power-off of equipment.
2. the control system of electrical equipment power on/off is controlled according to claim 1, it is characterised in that：The induction antenna with
The RF tag that IC chip is formed is ultrahigh-frequency radio-frequency tag, and its working frequency is 840MHz~960MHz.
3. the control system of control electrical equipment power on/off according to claim 1 or claim 2, it is characterised in that：The button is opened
Off-position is electrically connected between induction antenna and IC chip with induction antenna and IC chip respectively, when triggering key switch is closed
When, reader reads IC chip information, and controller control electrical equipment is powered.
4. the control system of electrical equipment power on/off is controlled according to claim 3, it is characterised in that：The key switch is
Automatic-opening reset type switch after triggering is closed every time, when triggering key switch is closed again, reader transmission IC cores
Piece information to controller, controller control electrical equipment powers off.
5. the control system of control electrical equipment power on/off according to claim 1 or claim 2, it is characterised in that：The sensing day
Line includes the first induction antenna and the second induction antenna, and first induction antenna and the second induction antenna are electric with IC chip respectively
Connection, and key switch is set between the first induction antenna and the second induction antenna, when triggering key switch unlatching, read-write
Device reads IC chip information, and controller control electrical equipment is powered.
6. the control system of electrical equipment power on/off is controlled according to claim 5, it is characterised in that：The key switch is
The reset type switch that triggering can be closed automatically after opening every time, when triggering key switch is opened again, reader transmission IC cores
Piece information to controller, controller control electrical equipment powers off.
7. the control system of control electrical equipment power on/off according to claim 1 or claim 2, it is characterised in that：The reader
Including read module and active antenna, the active antenna and induction antenna signal communication, and active antenna have it is multiple, it is multiple
Active antenna is electrically connected respectively with read module.
8. the control system of electrical equipment power on/off is controlled according to claim 7, it is characterised in that：The reader also wraps
Time-shared switch module is included, the multiple active antenna is connected by time-shared switch module with read module respectively.
9. the control system of control electrical equipment power on/off according to claim 1 or claim 2, it is characterised in that：The controller
Including processor and driving switch, the processor is communicated to connect with reader, and the driving switch is electrically connected with electrical equipment,
The processor controls driving switch connection after receiving the information of reader transmission or disconnects, and realizes the energization or disconnected of electrical equipment
Electricity.
10. the control system of control electrical equipment power on/off according to claim 1 or claim 2, it is characterised in that：The sensing is opened
Component is closed to be mounted on wall；
Alternatively, the inductive switch component is pasted on wall；
Alternatively, the inductive switch component is printing film；
Alternatively, the inductive switch component is the hand-held remote control unit with key switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141886.XA CN108154061A (en) | 2018-02-11 | 2018-02-11 | A kind of control system for controlling electrical equipment power on/off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141886.XA CN108154061A (en) | 2018-02-11 | 2018-02-11 | A kind of control system for controlling electrical equipment power on/off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108154061A true CN108154061A (en) | 2018-06-12 |
Family
ID=62459963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141886.XA Pending CN108154061A (en) | 2018-02-11 | 2018-02-11 | A kind of control system for controlling electrical equipment power on/off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108154061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112241637A (en) * | 2019-07-19 | 2021-01-19 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
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|---|---|---|---|---|
| CN1900856A (en) * | 2006-07-26 | 2007-01-24 | 中山大学 | Non-contact type self adaption control method and its control system for home appliance device |
| CN101226581A (en) * | 2007-01-18 | 2008-07-23 | 中国科学院自动化研究所 | Electronic label array and system as well as implementing method for separation multiplexing chip and antenna |
| CN101447120A (en) * | 2008-12-23 | 2009-06-03 | 天津大学 | Remote control system without standby power consumption based on radio frequency identification and remote control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112241637A (en) * | 2019-07-19 | 2021-01-19 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
| CN112241637B (en) * | 2019-07-19 | 2024-05-14 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
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Application publication date: 20180612 |