CN105353652B - A kind of power control circuit and its control method - Google Patents
A kind of power control circuit and its control method Download PDFInfo
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- CN105353652B CN105353652B CN201410410608.1A CN201410410608A CN105353652B CN 105353652 B CN105353652 B CN 105353652B CN 201410410608 A CN201410410608 A CN 201410410608A CN 105353652 B CN105353652 B CN 105353652B
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Abstract
The invention discloses a kind of power control circuit and its control method, which includes panel-switch, and power control circuit further includes driver and the conversion circuit plate being set to inside panel-switch；Alternating current is converted to the first direct current, and the first direct current is sent to conversion circuit plate by driver for accessing external communication electricity；Driver is additionally operable to send out control signal according to digital signal with output safety alternating current；Switching signal is converted to digital signal and is back to driver by conversion circuit plate for the switching signal that receiving panel switchs in the state of accessing the first direct current.The beneficial effects of the practice of the present invention is pulled at panel-switch by weak electric wire, ensure that the safety of panel-switch when in use, also makes panel-switch more convenient when replacing, meanwhile, the wire rod of forceful electric power line is also saved, that is, saves wiring cost；Further, since being weak electricity system, it is easier to be implemented in intelligent appliance system, expansibility is strong.
Description
Technical field
The present invention relates to household electrical appliances power supply control field more particularly to a kind of power control circuit and its control methods.
Background technology
Intelligent appliance power supply has wireless and wired two kinds of basic control methods.Although wireless control saves line, control
Stability it is poor, be not suitable for home improvement industries；Existing cable switch control method, referring to Fig. 1, the tradition in Fig. 1 is controlled
Method processed must move firewire at switch from entering to from line, by moving the electrical equipments such as lamps and lanterns after make and break contact to again, need longer
Forceful electric power line just can connect to switching node.And forceful electric power line is all thicker copper wire, higher price, and wiring complexity, power
Electricity loads in mixture, and safety is poor, wastes wire rod.
Invention content
The technical problem to be solved in the present invention is that middle firewire is directly accessed switch, forceful electric power line for the above-mentioned prior art
Using excessive problem, a kind of power control circuit and its control method are provided.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of power control circuit, including panel
Switch, the power control circuit further includes driver and the conversion circuit plate being set to inside the panel-switch；
The driver is converted to the first direct current for accessing external communication electricity, by the alternating current, and by described the
One direct current is sent to the conversion circuit plate；The driver is additionally operable to send out control signal according to digital signal to export peace
Full alternating current；
The conversion circuit plate is used to receive the switch of the panel-switch in the state of accessing first direct current
The switching signal is converted to the digital signal and is back to the driver by signal.
In power control circuit of the present invention, the driver is electrically connected with the conversion circuit plate and number
Word communication connection, the conversion circuit plate are electrically connected with the panel-switch；Wherein, the driver passes through two core weak electric wires
It is connected to the conversion circuit plate.
In power control circuit of the present invention, the driver includes power converting circuit, is electrically connected at institute
The modulation-demodulation circuit of power converting circuit is stated, the microprocessor of the modulation-demodulation circuit is electrically connected at and electrically connects
It is connected to the relay of the microprocessor；
The power converting circuit is for accessing external communication electricity and the external communication electricity being converted to described the
First direct current is sent to the conversion circuit plate by one direct current by the modulation-demodulation circuit；
The microprocessor is established digital communication with the conversion circuit plate by the modulation-demodulation circuit and is connect, described
Microprocessor for identification the digital signal to send the control signal to the relay；
The modulation-demodulation circuit, which is used to connect generated digital signal to the digital communication, is modulated demodulation, with
The microprocessor and the conversion circuit plate is set to identify the digital signal；
The relay is used for according to the control signal output safety alternating current.
In power control circuit of the present invention, the power converting circuit is additionally operable to turn the external communication electricity
It is changed to second direct current, second direct current is that the microprocessor and the modulation-demodulation circuit are powered.
In power control circuit of the present invention, it is provided in the relay for eliminating the safety AC electricity
The contact protection circuit of generated spark.
In power control circuit of the present invention, the conversion circuit plate includes being electrically connected at the driver
Connecting seat, the first conversion processor for being electrically connected at the connecting seat and it is electrically connected at first conversion processor
The second conversion processor；
First conversion processor is used to receive first direct current by the connecting seat and is converted into the
The third direct current is sent to second conversion processor by three direct currents；First conversion processor is additionally operable to connect
It receives the digital signal and it is back to the driver by the connecting seat；
To be connected to the panel-switch described to receive for accessing after the third direct current for second conversion processor
The switching signal of panel-switch, and the switching signal is converted into the digital signal.
On the other hand, the present invention provides a kind of power control method, provides above-mentioned power control circuit, power supply control
Method includes the following steps：
S1, driver access external communication electricity, the first direct current is converted to by the alternating current, and by described first
Direct current is sent to the conversion circuit plate；
S2, the conversion circuit plate receive the switch letter of the panel-switch in the state of accessing first direct current
Number, the switching signal is converted into the digital signal and is back to the driver；
S3, the driver send out control signal with output safety alternating current according to digital signal.
In power control method of the present invention, the step S1 includes following sub-step：
S11, the driver access the external communication electricity and the external communication electricity are converted to first direct current
Electricity；
S12, the driver establish digital communication with the conversion circuit plate and connect and be electrically connected；
First direct current is sent to the conversion circuit plate by S13, the driver.
In power control method of the present invention, the step S2 includes following sub-step：
S21, the conversion circuit plate receive first direct current and are converted into third direct current；
After S22, the conversion circuit plate access the third direct current, the panel-switch is connected to receive the panel
The switching signal of switch, and the switching signal is converted into the digital signal；
The digital signal is back to the driver by S23, the conversion circuit plate.
In power control method of the present invention, the step S3 includes following sub-step：
S31, the driver are modulated demodulation to identify the digital signal to the digital signal；
S32, the driver send out control signal according to the digital signal identified；
S33, the driver are according to the control signal output safety alternating current.
A kind of power control circuit and its control method for implementing the present invention, have the advantages that：Pass through weak electric wire
It is pulled at panel-switch, ensure that the safety of panel-switch when in use, also make panel-switch more convenient when replacing, together
When, the wire rod of forceful electric power line is also saved, that is, saves wiring cost；Further, since being weak electricity system, it is easier to be implemented in intelligent family
Electric system, expansibility are strong.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the structural schematic diagram of the power control circuit of the prior art；
Fig. 2 is a kind of structural schematic diagram for power control circuit that present pre-ferred embodiments provide；
Fig. 3 is the structural schematic diagram for the driver that present pre-ferred embodiments provide；
Fig. 4 is the structural schematic diagram of conversion circuit plate and panel-switch that present pre-ferred embodiments provide；
Fig. 5 is a kind of structural schematic diagram for power control circuit that another preferred embodiment of the present invention provides；
Fig. 6 is a kind of flow chart for power control method that present pre-ferred embodiments provide.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
The purpose of the present invention is to provide a kind of easy-to-use, safety, save wire rod, favorable expandability domestic power supply control circuit and
The dry node signal of variable connector is converted into counting by its control method, the present invention in the inside of normal domestic use switch enclosure, one piece of installation
The conversion circuit plate 3 of word signal, the variable connector may be disposed on panel-switch 1.This 3 one side of block conversion circuit plate and common family
It is connected with panel-switch 1 (singly-bound or multikey), another side is connect by two core light current circuits with driver 2, to pass through driving
Device 2 realizes the control to the household electric appliances power supply such as light, curtain.
Fig. 2 is a kind of structural schematic diagram for power control circuit that present pre-ferred embodiments provide, as shown in Fig. 2, this
Invention provides a kind of power control circuit, which includes panel-switch 1, driver 2 and be set in the panel-switch 1
The conversion circuit plate 3 in portion；Wherein, panel-switch 1 is generally using 86 box of switch (English or American box) and mounted on from the ground one
Determine on the wall of height (for the ease of operation, terrain clearance is usually 1.3 to 1.5 meters), meanwhile, which can be
Singly-bound or multikey, to facilitate user to operate the power supply of different household electrical appliance.Driver 2 is heavy-current control equipment,
It is typically mounted in distribution box or in furred ceiling.As can be seen from Figure 2, the present invention can be used traditional panel-switch 1, operation compared with
Easily.
In the power control circuit, the alternating current is converted to first by the driver 2 for accessing external communication electricity
Direct current, and first direct current is sent to the conversion circuit plate 3；The conversion circuit plate 3 is used for described in access
The switching signal is converted to the number and believed by the switching signal that the panel-switch 1 is received in the state of the first direct current
Number and be back to the driver 2；The driver 2 be additionally operable to according to digital signal send out control signal exchanged with output safety
Electricity.
In addition, the driver 2 is electrically connected with the conversion circuit plate 3, the conversion circuit plate 3 is opened with the panel
1 is closed to be electrically connected；Wherein, the driver 2 is connected to the conversion circuit plate 3 by two core weak electric wires.The two cores weak electric wire
Use not only realized direct current supply of the driver 2 to panel-switch 1, but also realize the number between driver 2 and panel-switch 1
According to communication.What it is due to the access of panel-switch 1 is direct current, that is, is worked under light current environment, and wet season is not appeared in
Or the electric leakage fiber crops hand under wet environment；It is also very convenient to replace panel-switch 1, it is not necessary to power off, it is not necessary to worry to get an electric shock.
The driver 2 of the present invention is as shown in figure 3, Fig. 3 is the structural representation for the driver 2 that present pre-ferred embodiments provide
Figure, the driver 2 include power converting circuit 21, are electrically connected at the modulation-demodulation circuit of the power converting circuit 21
22, be electrically connected at the microprocessor 23 of the modulation-demodulation circuit 22 and be electrically connected at the microprocessor 23 after
Electric appliance 24；In figure 3, firewire is expressed as L (LIVE), and zero curve is expressed as N (NEUTRAL).
The power converting circuit 21 is for accessing the external communication electricity and being converted to the external communication electricity described
First direct current is sent to the conversion circuit plate 3 by the first direct current by the modulation-demodulation circuit 22；The electricity
Source translation circuit 21 is additionally operable to the external communication electricity being converted to second direct current, and second direct current is described micro-
Processor 23 and the modulation-demodulation circuit 22 are powered.Specifically, power converting circuit 21 220V convert alternating currents at
Two direct current+5V, the first direct current+28V.Working powers of+the 5V as microprocessor 23 and relay 24；+ 28V is through ovennodulation
After demodulator, networking bus is output to by J3, to give panel-switch 1 to provide power supply.
The microprocessor 23 establishes digital communication company by the modulation-demodulation circuit 22 and the conversion circuit plate 3
Connect, the microprocessor 23 for identification the digital signal to send the control signal to the relay 24；Specifically,
Contact protection circuit 241 of the delivery outlet of microprocessor 23 for controlling relay 24 line packet and relay 24, port (TX,
RX) data communication is carried out with the equipment in networking bus after modem.
The modulation-demodulation circuit 22, which is used to connect generated digital signal to the digital communication, is modulated demodulation,
So that the microprocessor 23 and the conversion circuit plate 3 identify the digital signal；Specifically, modulation-demodulation circuit 22 will+
After 28V DC power supplies are modulated/demodulate with signal of communication (TX, RX), power supply is provided to networking bus by J3 and data are logical
News.
The relay 24 is used for according to the control signal output safety alternating current.Setting is useful in the relay 24
In the contact protection circuit 241 for eliminating spark caused by the safety AC electricity.Specifically, the contact of relay 24 is (also
Output end) for control 220V electrical appliances (such as：Headlamp etc.) alternating current fire wire (the first foot or second of J1 in Fig. 3
Foot), alternating current zero curve leads directly to uncontrolled.In order to extend the service life of 24 contact of relay, on contact and the fire that disappears has been connect
Flower contact protection circuit 241.
The panel-switch 1 of the present invention is with conversion circuit plate 3 as shown in figure 4, turn that Fig. 4, which is present pre-ferred embodiments, to be provided
The structural schematic diagram of circuit board 3 and panel-switch 1 is changed, the conversion circuit plate 3 includes the company for being electrically connected at the driver 2
It joint chair 31, the first conversion processor 32 for being electrically connected at the connecting seat 31 and is electrically connected at first conversion
Manage the second conversion processor 33 of device 32；In Fig. 4, the first conversion processor 32 is U1, and the second conversion processor 33 is U2.
First conversion processor 32 is for receiving first direct current by the connecting seat 31 and being converted
For third direct current, the third direct current is sent to second conversion processor 33；First conversion processor 32
It is additionally operable to receive the digital signal and it is back to the driver 2 by the connecting seat 31；Specifically, connecting seat 31
J1 be the two core weak electric wire connecting seats 31 networked with driver 2, TTVS1 is antistatic pipe；+ 28V the direct currents that driver 2 provides
Power supply enters the 3rd foot of U1 by J1, TR1, TD1；And the digital signal entered from J1, the 4th foot of U1 is accessed after TC1.
The major function of U1 is：+ 28V power supplys are converted into+5V power supplys, to be used for U2；The number that 4th foot is inputted
The digital signal for becoming Transistor-Transistor Logic level after signal demodulation, is supplied to U2 microprocessors 23；The TTL numbers that U2 microprocessors 23 are provided
It is exported from the 4th foot after word signal modulation.
Second conversion processor 33 after accessing the third direct current for being connected to the panel-switch 1 to receive
The switching signal of panel-switch 1 is stated, and the switching signal is converted into the digital signal.The panel-switch 1 can be by
Key switch can also be soft-touch control, and specifically, J2, J3, J4, J5 of the second conversion processor 33 are that the four road dry contacts of U2 are defeated
Incoming interface can at most connect 4 key general panels switch, i.e. key switch.If panel-switch 1 uses soft-touch control, will be in Fig. 4
J2, J3, J4, J5 change touch chip interface into, you can become soft-touch control.
The advantageous effect of the embodiment is that safety is easy-to-use, and two core weak electric wires are used between panel-switch 1 and driver 2,
Cost is lower compared with traditional scheme.Special AC power delivery outlet is used simultaneously, can be used in mixed way with other various intelligent panels,
Also two core weak electric wires are only needed and are connect.
Fig. 5 is a kind of structural schematic diagram for power control circuit that another preferred embodiment of the present invention provides, such as Fig. 5 institutes
Show, which is different from being in place of a upper embodiment, and multiple panel-switches 1 are connected in parallel, and multiple drivers 2 are in parallel even
It connects, is controlled to realize that multiple panel-switches 1 correspond multiple drivers 2.
In Figure 5, various forms of panel-switches 1 can be respectively adopted in multiple panel-switches 1, and corresponding different panel is opened
1 is closed, different drivers 2 need to be set and carry out digital communication with it, it is preferred that is located at the panel-switch 1 above Fig. 5 using common
Three key switches, be located at Fig. 5 below panel-switch 1 use two key soft-touch controls.Since panel-switch 1 and driver 2 use
Be digital communication connection, therefore can greatly reduce the possibility of signal error during transmitting, meanwhile, when multiple panels are opened
When pass 1 is mounted side by side, that is, being installed in parallel also only needs a 2 core weak electric wires by each 86 box and connects, and then moves driver 2 to i.e.
It can.
The advantageous effect of the embodiment is that more electrical appliances power control circuit using the present invention can be saved more
More wire rods.
Fig. 6 is a kind of flow chart for power control method that present pre-ferred embodiments provide, as shown in fig. 6, the invention
A kind of power control method provided includes the following steps：
S1, the driver 2 access external communication electricity, and the alternating current is converted to the first direct current, and by described the
One direct current is sent to the conversion circuit plate 3；Wherein, the step S1 includes following sub-step：
S11, the driver 2 access the external communication electricity and the external communication electricity are converted to first direct current
Electricity；
S12, the driver 2 establish digital communication with the conversion circuit plate 3 and connect and be electrically connected；
First direct current is sent to the conversion circuit plate 3 by S13, the driver 2.
S2, the conversion circuit plate 3 receive the switch of the panel-switch 1 in the state of accessing first direct current
The switching signal is converted to the digital signal and is back to the driver 2 by signal；Wherein, the step S2 includes
Following sub-step：
S21, the conversion circuit plate 3 receive first direct current and are converted into third direct current；
After S22, the conversion circuit plate 3 access the third direct current, the panel-switch 1 is connected to receive the face
The switching signal of switching plate 1, and the switching signal is converted into the digital signal；
The digital signal is back to the driver 2 by S23, the conversion circuit plate 3.
S3, the driver 2 send out control signal with output safety alternating current according to digital signal.Wherein, the step
S3 includes following sub-step：
S31, the driver 2 are modulated demodulation to identify the digital signal to the digital signal；
S32, the driver 2 send out control signal according to the digital signal identified；
S33, the driver 2 are according to the control signal output safety alternating current.
This method embodiment effectively illustrates the workflow of power control circuit, power supply controlling party using the present invention
Method can reach safe easy-to-use, save wire rod, the strong advantage of expansibility.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (8)
1. a kind of power control circuit, including panel-switch, which is characterized in that the power control circuit further include driver with
And it is set to the conversion circuit plate inside the panel-switch；
The driver is converted to the first direct current for accessing external communication electricity, by the alternating current, and straight by described first
Galvanic electricity is sent to the conversion circuit plate；The driver be additionally operable to according to digital signal send out control signal handed over output safety
Galvanic electricity；
The conversion circuit plate is used to receive the switching signal of the panel-switch in the state of accessing first direct current,
The switching signal is converted into the digital signal and is back to the driver；
The driver includes power converting circuit, is electrically connected at the modulation-demodulation circuit of the power converting circuit, electrically
It is connected to the microprocessor of the modulation-demodulation circuit and is electrically connected at the relay of the microprocessor；
The power converting circuit is straight for accessing the external communication electricity and the external communication electricity being converted to described first
First direct current is sent to the conversion circuit plate by galvanic electricity by the modulation-demodulation circuit；
The microprocessor is established digital communication with the conversion circuit plate by the modulation-demodulation circuit and is connect, micro- place
Manage device for identification the digital signal to send the control signal to the relay；
The modulation-demodulation circuit, which is used to connect generated digital signal to the digital communication, is modulated demodulation, so that institute
It states microprocessor and the conversion circuit plate identifies the digital signal；
The relay is used for according to the control signal output safety alternating current；
The driver establishes electric connection with the conversion circuit plate and digital communication is connect, the conversion circuit plate and institute
State panel-switch electric connection；Wherein, the driver is connected to the conversion circuit plate by two core weak electric wires.
2. power control circuit according to claim 1, which is characterized in that the power converting circuit is additionally operable to will be described
External communication electricity is converted to the second direct current, and second direct current is that the microprocessor and the modulation-demodulation circuit supply
Electricity.
3. power control circuit according to claim 1, which is characterized in that be provided in the relay for eliminating
State the contact protection circuit of spark caused by safety AC electricity.
4. power control circuit according to claim 1, which is characterized in that the conversion circuit plate includes being electrically connected at
The connecting seat of the driver, the first conversion processor for being electrically connected at the connecting seat and it is electrically connected at described
Second conversion processor of one conversion processor；
First conversion processor is used for through connecting seat reception first direct current and to be converted into third straight
The third direct current is sent to second conversion processor by galvanic electricity；First conversion processor is additionally operable to receive institute
It states digital signal and it is back to the driver by the connecting seat；
Second conversion processor after accessing the third direct current for being connected to the panel-switch to receive the panel
The switching signal of switch, and the switching signal is converted into the digital signal.
5. a kind of power control method provides power control circuit as described in claim 1, which is characterized in that the power supply control
Method processed includes the following steps：
S1, driver access external communication electricity, the first direct current is converted to by the alternating current, and by first direct current
It transmits electrically to the conversion circuit plate；
S2, the conversion circuit plate receive the switching signal of the panel-switch in the state of accessing first direct current,
The switching signal is converted into the digital signal and is back to the driver；
S3, the driver send out control signal with output safety alternating current according to digital signal.
6. power control method according to claim 5, which is characterized in that the step S1 includes following sub-step：
S11, the driver access the external communication electricity and the external communication electricity are converted to first direct current；
S12, the driver establish digital communication with the conversion circuit plate and connect and be electrically connected；
First direct current is sent to the conversion circuit plate by S13, the driver.
7. power control method according to claim 6, which is characterized in that the step S2 includes following sub-step：
S21, the conversion circuit plate receive first direct current and are converted into third direct current；
After S22, the conversion circuit plate access the third direct current, the panel-switch is connected to receive the panel-switch
Switching signal, and the switching signal is converted into the digital signal；
The digital signal is back to the driver by S23, the conversion circuit plate.
8. power control method according to claim 7, which is characterized in that the step S3 includes following sub-step：
S31, the driver are modulated demodulation to identify the digital signal to the digital signal；
S32, the driver send out control signal according to the digital signal identified；
S33, the driver are according to the control signal output safety alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410608.1A CN105353652B (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410410608.1A CN105353652B (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105353652A CN105353652A (en) | 2016-02-24 |
| CN105353652B true CN105353652B (en) | 2018-09-21 |
Family
ID=55329641
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410410608.1A Active CN105353652B (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit and its control method |
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| CN (1) | CN105353652B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402105A (en) * | 2001-08-14 | 2003-03-12 | 王定良 | Computer power supply device |
| WO2003044924A1 (en) * | 2001-11-22 | 2003-05-30 | Doo Won Precision Co., Ltd. | Control system for suppling power by power line communication |
| CN2575900Y (en) * | 2002-09-18 | 2003-09-24 | 李坤 | Double-magneto aero loop telephone receiver and transmitter |
| CN201877889U (en) * | 2010-11-10 | 2011-06-22 | 白银有色集团股份有限公司 | Comprehensive relay protection device for microcomputer |
| CN203057000U (en) * | 2012-12-28 | 2013-07-10 | 广州数控设备有限公司 | A servo intelligent power control circuit based on silicon controlled rectifier rectification |
| CN203225213U (en) * | 2013-03-22 | 2013-10-02 | 深圳市慧锐通智能电器股份有限公司 | A protecting circuit used for protecting contacts of a relay |
| CN204086861U (en) * | 2014-08-19 | 2015-01-07 | 深圳市慧锐通智能电器股份有限公司 | A kind of power control circuit |
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2014
- 2014-08-19 CN CN201410410608.1A patent/CN105353652B/en active Active
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| CN105353652A (en) | 2016-02-24 |
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Effective date of registration: 20230327 Address after: Room 302, No. 6, Dafu Industrial Zone, Kukeng Community, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen huiruitong Intelligent Technology Co.,Ltd. Address before: 518110 Huiruitong Science Park, Dafu Industrial Zone, Guanlan Town, Longhua New District, Shenzhen City, Guangdong Province Patentee before: WRT INTELLIGENT TECHNOLOGY Co.,Ltd. |
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