CN208092942U - A kind of bathroom Wireless remote control switch device - Google Patents
A kind of bathroom Wireless remote control switch device Download PDFInfo
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- CN208092942U CN208092942U CN201820643827.8U CN201820643827U CN208092942U CN 208092942 U CN208092942 U CN 208092942U CN 201820643827 U CN201820643827 U CN 201820643827U CN 208092942 U CN208092942 U CN 208092942U
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Abstract
A kind of bathroom Wireless remote control switch device disclosed by the utility model, including power module, controller, keyboard input module, wireless transmitter module, power module is connected with controller and device is powered in order to control, keyboard input module, wireless transmitter module are connected with controller, keyboard input module, which is used to send to controller, controls signal, and corresponding control signal is sent to wireless responding to switch device by wireless transmitter module after controller reception control signal.The utility model is using ripe chip component remote control module, and wireless transmitter module uses special chip F117 components, while reducing power consumption, its signal quality higher emitted, small by external interference, due to the use of crystal oscillating circuit, launching frequency drift is small, signal transmission power foot, in the case where bath indoor short distance communication requires, antenna can be saved, reduce use cost, and antenna is then used when slightly remote, select most suitable, power saving mode to carry out signal transmission according to different distance.
Description
Technical field
The utility model belongs to locomotive electric apparatus technical field, and in particular to a kind of bathroom Wireless remote control switch device.
Background technology
General home bathroom control system is all that wired connection, manual switch operation format and switch are directly accessed electricity
Net.The wet finger operation switch human body filtered has the danger of electric shock, and the wet-hot steam environment in bathroom is easier increase human body and touches
It is electric dangerous.
Therefore, the bathroom for capableing of wireless control connection household 220V forceful electric power there is an urgent need to a kind of remote control switch now switchs,
It is to utilize that 220V forceful electric power and wireless light current switch is completely separable, fundamentally disconnect the possibility of human electric shock.The prior art
In had the remote controler of remote control related switch break-make and a wireless responding to switch device, but existing remote controler be by
The oscillating circuit structure of simple dispersive element composition, the structure transmitting range is short, poor anti jamming capability, but also need to configure day
Line uses, therefore remote control reliability and using effect are bad.
Utility model content
The purpose of this utility model is to provide a kind of bathroom Wireless remote control switch devices, solve the distant of the prior art
Control device need to configure antenna, reliability and the bad problem of using effect.
Technical solution used by the utility model is：A kind of bathroom Wireless remote control switch device, including power module,
Controller, keyboard input module, wireless transmitter module, the power module is connected with controller and device is powered in order to control,
The keyboard input module, wireless transmitter module are connected with the controller, and the keyboard input module is used for the control
Device processed sends control signal, and the controller is filled by wireless transmitter module to wireless responding to switch after receiving the control signal
Set transmission corresponding control signal.
The utility model is also characterized by
The controller include the first chip U1, the first crystal oscillator Y1, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5,
6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 9th capacitance C9, the tenth capacitance C10, first start adjustment resistance RK1,
Second starts adjustment resistance RK2, zero Europe test resistance R0,
The first chip U1 the 5th, the first crystal oscillator Y1 of 6 ends parallel connection, the first crystal oscillator Y1 both ends parallel connections third capacitance
C3 and the 4th capacitance C4 connects and is grounded between the third capacitance C3 and the 4th capacitance C4；The first chip U1 the 10th,
12 ends correspond to the 6th capacitance C6 and the 5th capacitance C5 that connects, and the 6th capacitance C6 and the 5th capacitance C5 connects with the first chip U1's
11st end, the 11st end also respectively series connection eightth capacitance C8, the nineth capacitance C9 corresponding with the ends 17-19 of the first chip U1 with
And the tenth capacitance C10, the both ends of the 7th capacitance C7 are connected to the 15th of the first chip U1 the, 16 ends, the first chip U1
The 20th end ground connection, the ends 39-41 of the first chip U1 meet zero Europe test resistance R0 respectively, the of the first chip U1
45, corresponding connect after the first starting adjusts resistance RK1, the second starting adjustment resistance RK2 is grounded respectively at 46 ends.
Further include display module, the display module is the LCD display that model is TN5268, the LCD display
The ends COM0-COM3 are connected with the ends 33-36 of the first chip U1, the ends SEG0-SEG18 of the LCD display correspond to
The first chip U1 the 13rd, 14, zero Europe test resistance R0 of the rear ends 21-32 and 39-31 is connected.
The power module include battery powered end VCC, two NTC thermistors, the first variable resistance Rt1, second can
Become resistance Rt2, the first variable capacitance Ct1, two described NTC thermistor one end are parallel to the battery powered end VCC and two
It is separately connected the first variable resistance Rt1, the second adjustable resistance Rt2 after a NTC thermistor other end parallel connection, described second
It is grounded after variable resistance Rt2 connections the first variable capacitance Ct1, the second adjustable resistance Rt2 is also attached to described first
The 38th end of chip U1, the first variable resistance Rt1 are connected to the 48th end of the first chip U1.
Further include power source protective module, the power source protective module includes power protection chip P1, first resistor R1, second
Resistance R2, the first capacitance C1 and the second capacitance C2, the 1st end of the power protection chip P1 and the battery powered end VCC phases
Even, after the second resistance R2 and third capacitance C3 connects and the first capacitance C1 is parallel to the power protection chip P1's
1st, 2 ends, the first capacitance C1 ground connection, the 3rd end of the power protection chip P1 is connected to the second resistance R2 and third
Between capacitance C3, the first resistor R1 is connected to the 1st of the power protection chip P1 the, 4 ends.
The wireless transmitter module includes the second chip U2, antenna ANT, the second inductance L2, the 13rd capacitance C13, first
Inductance L1, the 19th capacitance C19, the 18th capacitance C18, third inductance L3, the 15th capacitance C15,3rd resistor R3, the second crystalline substance
Shake Y2, the 11st capacitance C11, the 12nd capacitance C12, the 16th capacitance C16, the 17th capacitance C17, the 20th capacitance C20 with
And the 4th resistance R4；
The 1st end of the second chip U2 connects concatenated first inductance L1, third inductance L3, the 20th capacitance C20, institute
State both ends difference parallel connection the 17th capacitance C17, the 16th capacitance C16 and the 15th capacitance C15 of the 20th capacitance C20, institute
The 17th capacitance C17 ground connection is stated, passes through 3rd resistor 3 between the 15th capacitance C15 and the 6th end of the second chip U2
It is connected, one end of the 19th capacitance C19, the 18th capacitance C18 is separately connected between the first inductance L1 and third inductance L3,
The 19th capacitance C19, the 18th capacitance C18 the other end be connected between the 15th capacitance C15 and 3rd resistor R3, institute
The 1st end for stating the second chip U2 is also connected with concatenated 13rd capacitance C13, the second inductance L2, and the second inductance L2 connects respectively
Meet antenna ANT and the 14th capacitance C14, the 14th capacitance C14 ground connection, the 2nd end ground connection of the second chip U2, institute
The 3rd end for stating the second chip is connected between the first inductance L1 and the 19th capacitance C19, the both ends difference of the second crystal oscillator Y2
Be connected to the second chip U2 the 4th, 5 ends, both ends connect after the 11st capacitance C11 and the 12nd capacitance C12 series connection
In the both ends the second crystal oscillator Y2, the 11st capacitance C11 and the 12nd capacitance C12 ground connection, the 6th of the second chip U2 the
End connects the 37th end of the first chip U1 by the 4th resistance R4.
The keyboard input module includes the first button K1, the second button K2, third button K3, the 4th button K4, the 5th
Button K5, the 6th button K6, the first button K1 are connected to the 42nd of the first chip U1 the, 46 ends respectively, and described second presses
Key K2 is connected to the 42nd of the first chip U1 the, 45 ends respectively, and the third button K3 is connected to the first chip U1's respectively
43rd, 46 ends, the 4th button K4 are connected to the 43rd of the first chip U1 the, 45 ends, the 5th button K5 difference respectively
Be connected to the first chip U1 the 44th, 46 ends, the 6th button K6 is connected to the 44th, the 45 of the first chip U1 respectively
End.
The utility model has the beneficial effects that：A kind of bathroom of the utility model solves existing with Wireless remote control switch device
There is the remote controler of technology that need to configure antenna, reliability and the bad problem of using effect.The utility model utilizes ripe chip
Component remote control module, wireless transmitter module use special chip F117 components, and reducing power consumption, (button cell of 3V can be just
It is often used 1 year) while, the signal quality higher of transmitting is small by external interference, due to the use of crystal oscillating circuit, transmitting frequency
Point drift is small, and signal transmission power foot can save antenna in the case where bath indoor short distance communication requires, and reduces use cost, and
Antenna is then used when slightly remote, selects most suitable, power saving mode to carry out signal transmission according to different distance.
Description of the drawings
Fig. 1 is a kind of structure diagram of bathroom Wireless remote control switch device of the utility model；
Fig. 2 be the utility model a kind of bathroom Wireless remote control switch device in controller circuit diagram；
Fig. 3 be the utility model a kind of bathroom Wireless remote control switch device in display module circuit diagram；
Fig. 4 be the utility model a kind of bathroom Wireless remote control switch device in power module circuit diagram；
Fig. 5 be the utility model a kind of bathroom Wireless remote control switch device in power source protective module circuit diagram；
Fig. 6 be the utility model a kind of bathroom Wireless remote control switch device in wireless transmitter module circuit diagram；
Fig. 7 be the utility model a kind of bathroom Wireless remote control switch device in keyboard input module circuit diagram.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of structure of bathroom Wireless remote control switch device provided by the utility model is as shown in Figure 1, include power supply mould
Block 2, controller 1, keyboard input module 5, wireless transmitter module 4, the power module 2 is connected with controller 1 and device 1 in order to control
It is powered, the keyboard input module 5, wireless transmitter module 4 are connected with the controller 1, the keyboard input module 5
For sending control signal to the controller 1, the controller 1 receives after the control signal through wireless transmitter module 4
To wireless responding to switch device send corresponding control signal, make wireless responding to switch device to reply bathroom in illumination, blowing,
Wind is warm, ventilation switch carries out accordingly cut-offfing operation.
The structure of controller 1 is as shown in Fig. 2, including the first chip U1, the first crystal oscillator Y1, third capacitance C3, the 4th capacitance
C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8, the 9th capacitance C9, the tenth capacitance C10, the first
Dynamic adjustment resistance RK1, second start adjustment resistance RK2, zero Europe test resistance R0, the 5th, the 6 end parallel connections first of the first chip U1
Crystal oscillator Y1, the first crystal oscillator Y1 both ends parallel connections the third capacitance C3 and the 4th capacitance C4, the third capacitance C3 and the 4th capacitance
It connects and is grounded between C4；The first chip U1 the 10th, 12 ends correspond to series connection the 6th capacitance C6 and the 5th capacitance C5, it is described
6th capacitance C6 and the 5th capacitance C5 connects the 11st end with the first chip U1, and the 11st end of the first chip U1 is also respectively with
The ends 17-19 correspond to the both ends connection of the 8th capacitance C8 of series connection, the 9th capacitance C9 and the tenth capacitance C10, the 7th capacitance C7
In the first chip U1 the 15th, 16 ends, the 20th end ground connection of the first chip U1, the ends 39-41 of the first chip U1 point
Do not meet zero Europe test resistance R0, the first chip U1 the 45th, 46 ends are corresponding respectively connects the first starting adjustment resistance RK1, the
It is grounded after two starting adjustment resistance RK2.
Further include display module 4, structure is as shown in figure 3, display module 4 is the LCD display that model is TN5268, institute
The ends COM0-COM3 for stating LCD display are connected with the ends 33-36 of the first chip U1, the SEG0- of the LCD display
The ends SEG18 correspond to the 13rd of the first chip U1,14, zero Europe test resistance R0 of the rear ends 21-32 and 39-31 be connected,
Zero Europe test resistance R0 when testing for accessing test device.
The structure of power module 2 as shown in figure 4, including battery powered end VCC, two NTC thermistors, first can power transformation
Rt1, the second adjustable resistance Rt2, the first variable capacitance Ct1 are hindered, two described NTC thermistor one end are parallel to the battery and supply
It is separately connected the first variable resistance Rt1, the second adjustable resistance after electric end VCC and two NTC thermistor other end parallel connections
It is grounded after Rt2, the second adjustable resistance Rt2 connections the first variable capacitance Ct1, the second adjustable resistance Rt2 also connects
It is connected to the 38th end of the first chip U1, the first variable resistance Rt1 is connected to the 48th end of the first chip U1.
Further include power source protective module 6,6 structure of power source protective module is as shown in figure 5, including power protection chip P1, the
The 1st end and the electricity of one resistance R1, second resistance R2, the first capacitance C1 and the second capacitance C2, the power protection chip P1
Pond feeder ear VCC is connected, and after the second resistance R2 and third capacitance C3 series connection and the first capacitance C1 is parallel to the electricity
Source protection chip P1 the 1st, 2 ends, the first capacitance C1 ground connection, the 3rd end of the power protection chip P1 is connected to described the
Between two resistance R2 and third capacitance C3, the first resistor R1 is connected to the 1st of the power protection chip P1 the, 4 ends.Work as electricity
When source module 2 is abnormal, the normal work of controller 1 is protected by the reset of power source protective module 6 and interrupt function.
The structure of wireless transmitter module is as shown in fig. 6, including the second chip U2, antenna ANT, the second inductance L2, the 13rd
Capacitance C13, the first inductance L1, the 19th capacitance C19, the 18th capacitance C18, third inductance L3, the 15th capacitance C15, third
Resistance R3, the second crystal oscillator Y2, the 11st capacitance C11, the 12nd capacitance C12, the 16th capacitance C16, the 17th capacitance C17,
20 capacitance C20 and the 4th resistance R4；The 1st end of second chip U2 connects concatenated first inductance L1, third inductance L3, the
The both ends of 20 capacitance C20, the 20th capacitance C20 parallel connection the 17th capacitance C17, the 16th capacitance C16 and the respectively
15 capacitance C15, the 17th capacitance C17 ground connection, the 6th end of the 15th capacitance C15 and the second chip U2 it
Between by 3rd resistor 3 be connected, be separately connected the 19th capacitance C19, the tenth between the first inductance L1 and third inductance L3
One end of eight capacitance C18, the 19th capacitance C19, the 18th capacitance C18 the other end be connected to the 15th capacitance C15 with
Between 3rd resistor R3, the 1st end of the second chip U2 is also connected with concatenated 13rd capacitance C13, the second inductance L2, described
Second inductance L2 is separately connected antenna ANT and the 14th capacitance C14, the 14th capacitance C14 ground connection, second chip
The 2nd end of U2 is grounded, and the 3rd end of second chip is connected between the first inductance L1 and the 19th capacitance C19, and described second
The both ends of crystal oscillator Y2 are connected to the 4th of the second chip U2 the, 5 ends, the 11st capacitance C11 and the 12nd capacitance
Both ends are connected to the both ends the second crystal oscillator Y2, the 11st capacitance C11 and the 12nd capacitance C12 ground connection, institute after C12 series connection
The 6th end for stating the second chip U2 connects the 37th end of the first chip U1 by the 4th resistance R4.When short-range communication, it can go
Fall antenna and directly transmit signal, signal is then sent by antenna when slightly remote, realizes the differentiation transmission of different distance, together
When, in bathroom, the presence of antenna can also make the remote-controlled switchgear volume of the utility model larger, it has not been convenient to it uses, because
This can retain antenna in bathroom or remove antenna use.
The structure of keyboard input module is as shown in fig. 6, including the first button K1, the second button K2, third button K3, the 4th
Button K4, the 5th button K5, the 6th button K6, the first button K1 are connected to the 42nd of the first chip U1 the, 46 ends respectively,
The second button K2 is connected to the 42nd of the first chip U1 the, 45 ends respectively, and the third button K3 is connected to described respectively
One chip U1 the 43rd, 46 ends, the 4th button K4 is connected to the 43rd of the first chip U1 the, 45 ends respectively, the described 5th
Button K5 is connected to the 44th of the first chip U1 the, 46 ends respectively, and the 6th button K6 is connected to the first chip U1 respectively
The 44th, 45 ends.It presets different buttons and corresponds to the different switch on and off of control, when controller 1 passes through wireless transmitter module 3
Control signal is sent to wireless responding to switch device, wireless responding to switch device then for example divulge information, illuminate, warm oneself by corresponding control
Break-make is carried out etc. different switches.
Claims (7)
1. a kind of bathroom Wireless remote control switch device, which is characterized in that including power module, controller, keyboard input module,
Wireless transmitter module, the power module is connected with controller and device is powered in order to control, the keyboard input module, wireless
Transmitting module is connected with the controller, and the keyboard input module is used to send control signal to the controller, described
Corresponding control signal is sent to wireless responding to switch device by wireless transmitter module after the controller reception control signal.
2. a kind of bathroom Wireless remote control switch device as described in claim 1, which is characterized in that the controller includes the
One chip U1, the first crystal oscillator Y1, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7,
Eight capacitance C8, the 9th capacitance C9, the tenth capacitance C10, first start adjustment resistance RK1, the second starting adjustment resistance RK2, zero Europe
Test resistance R0,
The first chip U1 the 5th, the parallel connection of 6 ends the first crystal oscillator Y1, the first crystal oscillator Y1 both ends parallel connections third capacitance C3 and
4th capacitance C4 connects and is grounded between the third capacitance C3 and the 4th capacitance C4；The first chip U1 the 10th, 12 ends
Corresponding series connection the 6th capacitance C6 and the 5th capacitance C5, the 6th capacitance C6 and the 5th capacitance C5 connect the 11st with the first chip U1
End, the 11st end also respectively series connection eightth capacitance C8, the nineth capacitance C9 corresponding with the ends 17-19 of the first chip U1 and the
The both ends of ten capacitance C10, the 7th capacitance C7 are connected to the 15th of the first chip U1 the, 16 ends, and the of the first chip U1
20 ends are grounded, and the ends 39-41 of the first chip U1 meet zero Europe test resistance R0 respectively, and the 45th, the 46 of the first chip U1
Corresponding connect after the first starting adjusts resistance RK1, the second starting adjustment resistance RK2 is grounded respectively at end.
3. a kind of bathroom Wireless remote control switch device as claimed in claim 2, which is characterized in that further include display module,
The display module is the LCD display that model is TN5268, the ends COM0-COM3 of the LCD display and first core
The ends 33-36 of piece U1 are connected, the ends SEG0-SEG18 of the LCD display correspond to the 13rd of the first chip U1,14,
Zero Europe test resistance R0 of the rear ends 21-32 and 39-31 is connected.
4. a kind of bathroom Wireless remote control switch device as claimed in claim 2, which is characterized in that the power module includes
Battery powered end VCC, two NTC thermistors, the first variable resistance Rt1, the second adjustable resistance Rt2, the first variable capacitance
Ct1, two described NTC thermistor one end are parallel to the battery powered end VCC and two NTC thermistors are another
It is separately connected the first variable resistance Rt1, the second adjustable resistance Rt2 after end is in parallel, the second adjustable resistance Rt2 connections described the
It being grounded after one variable capacitance Ct1, the second adjustable resistance Rt2 is also attached to the 38th end of the first chip U1, and described
One variable resistance Rt1 is connected to the 48th end of the first chip U1.
5. a kind of bathroom Wireless remote control switch device as claimed in claim 4, which is characterized in that further include power protection mould
Block, the power source protective module include power protection chip P1, first resistor R1, second resistance R2, the first capacitance C1 and second
Capacitance C2, the 1st end of the power protection chip P1 are connected with the battery powered end VCC, the second resistance R2 and third
After capacitance C3 series connection and the first capacitance C1 is parallel to the 1st of the power protection chip P1 the, 2 ends, the first capacitance C1
Ground connection, the 3rd end of the power protection chip P1 are connected between the second resistance R2 and third capacitance C3, the first resistor
R1 is connected to the 1st of the power protection chip P1 the, 4 ends.
6. a kind of bathroom Wireless remote control switch device as claimed in claim 4, which is characterized in that the wireless transmitter module
Including the second chip U2, antenna ANT, the second inductance L2, the 13rd capacitance C13, the first inductance L1, the 19th capacitance C19, the tenth
Eight capacitance C18, third inductance L3, the 15th capacitance C15,3rd resistor R3, the second crystal oscillator Y2, the 11st capacitance C11, the 12nd
Capacitance C12, the 16th capacitance C16, the 17th capacitance C17, the 20th capacitance C20 and the 4th resistance R4；
The 1st end of the second chip U2 connects concatenated first inductance L1, third inductance L3, the 20th capacitance C20, and described the
The both ends of 20 capacitance C20 parallel connection the 17th capacitance C17, the 16th capacitance C16 and the 15th capacitance C15 respectively, described the
17 capacitance C17 are grounded, and pass through 3 phase of 3rd resistor between the 6th end of the 15th capacitance C15 and the second chip U2
Even, one end of the 19th capacitance C19, the 18th capacitance C18, institute are separately connected between the first inductance L1 and third inductance L3
State the 19th capacitance C19, the other end of the 18th capacitance C18 is connected between the 15th capacitance C15 and 3rd resistor R3, described
The 1st end of second chip U2 is also connected with concatenated 13rd capacitance C13, the second inductance L2, and the second inductance L2 is separately connected
Antenna ANT and the 14th capacitance C14, the 14th capacitance C14 ground connection, the 2nd end ground connection of the second chip U2 are described
3rd end of the second chip is connected between the first inductance L1 and the 19th capacitance C19, and the both ends of the second crystal oscillator Y2 connect respectively
Be connected to the second chip U2 the 4th, 5 ends, both ends are connected to after the 11st capacitance C11 and the 12nd capacitance C12 series connection
The both ends second crystal oscillator Y2, the 11st capacitance C11 and the 12nd capacitance C12 ground connection, the 6th end of the second chip U2
The 37th end of the first chip U1 is connect by the 4th resistance R4.
7. a kind of bathroom Wireless remote control switch device as claimed in claim 2, which is characterized in that the keyboard input module
Including the first button K1, the second button K2, third button K3, the 4th button K4, the 5th button K5, the 6th button K6, described
One button K1 is connected to the 42nd of the first chip U1 the, 46 ends respectively, and the second button K2 is connected to first chip respectively
U1 the 42nd, 45 ends, the third button K3 is connected to the 43rd of the first chip U1 the, 46 ends, the 4th button K4 respectively
Be connected to respectively the first chip U1 the 43rd, 45 ends, the 5th button K5 be connected to respectively the first chip U1 the 44th,
46 ends, the 6th button K6 are connected to the 44th of the first chip U1 the, 45 ends respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820643827.8U CN208092942U (en) | 2018-05-02 | 2018-05-02 | A kind of bathroom Wireless remote control switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820643827.8U CN208092942U (en) | 2018-05-02 | 2018-05-02 | A kind of bathroom Wireless remote control switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092942U true CN208092942U (en) | 2018-11-13 |
Family
ID=64052707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820643827.8U Expired - Fee Related CN208092942U (en) | 2018-05-02 | 2018-05-02 | A kind of bathroom Wireless remote control switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208092942U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640447A (en) * | 2018-12-25 | 2019-04-16 | 苏州东灿光电科技有限公司 | A kind of control circuit of LED street lamp |
| CN110635820A (en) * | 2019-09-27 | 2019-12-31 | 深圳创元智能软件科技有限公司 | Circuit with antenna function and key function and Internet of things terminal |
-
2018
- 2018-05-02 CN CN201820643827.8U patent/CN208092942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640447A (en) * | 2018-12-25 | 2019-04-16 | 苏州东灿光电科技有限公司 | A kind of control circuit of LED street lamp |
| CN110635820A (en) * | 2019-09-27 | 2019-12-31 | 深圳创元智能软件科技有限公司 | Circuit with antenna function and key function and Internet of things terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210502 |
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| CF01 | Termination of patent right due to non-payment of annual fee |