CN110311365A - A kind of slip lid gate control circuit - Google Patents
A kind of slip lid gate control circuit Download PDFInfo
- Publication number
- CN110311365A CN110311365A CN201810260742.6A CN201810260742A CN110311365A CN 110311365 A CN110311365 A CN 110311365A CN 201810260742 A CN201810260742 A CN 201810260742A CN 110311365 A CN110311365 A CN 110311365A
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- triode
- main control
- slip lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
Abstract
The present invention relates to technical field of circuit design, disclose a kind of slip lid gate control circuit, it include: main control chip, motor, further include: protection circuit, the protection circuit is set between main control chip and the status switch of slip lid door, main control chip acquires the level value of the status switch, the state of slip lid door is judged according to the level value, and drive motor controls the slip lid door, in control process, by protecting circuit protection main control chip, the defencive function of control circuit is realized by hardware circuit, prevent main control chip from directly contacting with status switch, improve the reliability of equipment.
Description
Technical field
The present invention relates to technical field of circuit design more particularly to a kind of slip lid gate control circuits.
Background technique
Many electronic products generally contain cover sliding device at present, which mainly shields, the control electricity of slip lid door
Road mainly passes through master control IC detection slip lid door both ends and switches on or closed state, when what is opened or closed in slip lid door
Moment, there may be voltage overshoots or electrostatic ESD to interfere, and causes main control chip pin to burn, so as to cause equipment fault.
Summary of the invention
It is a primary object of the present invention to propose a kind of slip lid gate control circuit, control circuit is realized by hardware circuit
Defencive function prevents main control chip from directly contacting with status switch, improves the reliability of equipment.
To achieve the above object, a kind of slip lid gate control circuit provided by the invention, comprising: main control chip, motor, protection
Circuit, the slip lid door includes status switch, and the protection circuit is set between main control chip and the status switch of slip lid door,
Main control chip acquires the level value of the status switch, and the state of slip lid door, and drive motor pair are judged according to the level value
The slip lid door carries out motion control, in control process, by protecting circuit protection main control chip.
Optionally, the status switch includes first switch and the second switch, the main control chip include SW1 pin and
SW2 pin, the first switch is by protecting circuit to connect with the SW1 pin of the main control chip；The second switch passes through
Protection circuit is connect with the SW2 pin of the main control chip.
Optionally, the protection circuit includes isolation voltage overshoot circuit, and the isolation voltage overshoot circuit includes: resistance
R1 and resistance R2, resistance R1 one end connect with the first switch, the other end is connect with the SW1 pin of the main control chip；
One end of resistance R2 is connect with the second switch, and the other end is connect with the SW2 pin of the main control chip.
Optionally, the protection circuit further comprises resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance
R8, triode Q1, triode Q2, triode Q3, triode Q4 and power end VCC, wherein the other end and resistance R3 of resistance R1
One end and triode Q1 base stage connection, the emitter ground connection of triode Q1, the collector of triode Q1 and triode Q2's
The connection of one end of base stage and resistance R4, the emitter ground connection of triode Q2, the collector of triode Q2 and one end of resistance R5 and
The SW1 pin of main control chip connects, and connects together with the other end and the other end of the other end of resistance R4 and resistance R5 of resistance R3
To power end VCC；The other end of resistance R2 is connect with the base stage of one end of resistance R6 and triode Q3, the emitter of triode Q3
Ground connection, the collector of triode Q3 are connect with one end of the base stage of triode Q4 and resistance R7, the emitter ground connection of triode Q4,
The collector of triode Q4 is connect with the SW2 pin of one end of resistance R8 and main control chip, the other end and resistance R7 of resistance R6
The other end and the other end of resistance R8 be connected to power end VCC together.
Optionally, the protection circuit further include: anti-voltage dither circuit, the anti-voltage dither circuit includes: capacitor
C1 and capacitor C2, one end of the capacitor C1 are connect with the SW1 pin of the main control chip, one end of the capacitor C2 with it is described
The SW2 pin of main control chip connects；The other end of the capacitor C1 is grounded together with the other end of capacitor C2.
Optionally, the protection circuit further include: anti-voltage dither circuit, the anti-voltage dither circuit includes: capacitor
One end of C1 and capacitor C2, one end of the capacitor C1 and the resistance R1 or connection, one end of the capacitor C2 and the electricity
Hinder one end or the connection of R2；The other end of the capacitor C1 is grounded together with the other end of capacitor C2.
Optionally, the protection circuit further include: anti-static protection circuit, the anti-static protection circuit include: transient state
Diode D1 and transient diode D2, one end of the transient diode D1 is connect with the SW1 pin of the main control chip, described
One end of transient diode D2 is connect with the SW2 pin of the main control chip；The other end and transient state of the transient diode D1
The other end of diode D2 is grounded together.
Optionally, the protection circuit further include: anti-static protection circuit, the anti-static protection circuit include: transient state
Diode D1 and transient diode D2, one end of the transient diode D1 are connect with one end of the resistance R1, the transient state
One end of diode D2 is connect with one end of the resistance R2；The other end of the transient diode D1 is with transient diode D2's
The other end is grounded together.
Optionally, the protection circuit includes isolation voltage overshoot circuit, anti-voltage dither circuit and antistatic protection electricity
Road, the anti-voltage dither circuit and anti-static protection circuit are located at the same side of isolation voltage overshoot circuit.
Optionally, the protection circuit includes isolation voltage overshoot circuit, anti-voltage dither circuit and antistatic protection electricity
Road, the anti-voltage dither circuit and anti-static protection circuit are located at isolation voltage overshoot circuit close to the main control chip
Side or the anti-voltage dither circuit and anti-static protection circuit be located at isolation voltage overshoot circuit close to the shape
The side of state switch.
Optionally, the protection circuit includes isolation voltage overshoot circuit, anti-voltage dither circuit and antistatic protection electricity
Road, the anti-voltage dither circuit and the anti-static protection circuit are located at the opposite sides of isolation voltage overshoot circuit.
A kind of slip lid gate control circuit proposed by the present invention, comprising: main control chip, motor, further includes: protection circuit, institute
It states protection circuit to be set between main control chip and the status switch of slip lid door, main control chip acquires the level of the status switch
Value, the state of slip lid door is judged according to the level value, and drive motor controls the slip lid door, in control process
In, by protect circuit protection main control chip, by hardware circuit realize control circuit defencive function, prevent main control chip with
Status switch directly contacts, and improves the reliability of equipment.
Detailed description of the invention
Fig. 1 is a kind of illustrative view of functional configuration for slip lid gate control circuit that the embodiment of the present invention one provides；
Fig. 2 is the circuit diagram for the protection circuit that the embodiment of the present invention one provides；
Fig. 3 is a kind of circuit diagram for protecting circuit provided by Embodiment 2 of the present invention；
Fig. 4 is the circuit diagram of another protection circuit provided by Embodiment 2 of the present invention；
Fig. 5 is the circuit diagram of another protection circuit provided by Embodiment 2 of the present invention；
Fig. 6 is a kind of circuit diagram for protection circuit that the embodiment of the present invention three provides；
Fig. 7 is the circuit diagram for another protection circuit that the embodiment of the present invention three provides；
Fig. 8 is the circuit diagram for another protection circuit that the embodiment of the present invention three provides；
Fig. 9 is a kind of circuit diagram for protection circuit that the embodiment of the present invention four provides；
Figure 10 is the circuit diagram for another protection circuit that the embodiment of the present invention four provides；
Figure 11 is the circuit diagram for another protection circuit that the embodiment of the present invention four provides；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment one
As shown in Figure 1, in the present embodiment, a kind of slip lid gate control circuit, comprising: main control chip, motor, further includes:
Circuit is protected, the slip lid door includes status switch, and the protection circuit is set to the status switch of main control chip Yu slip lid door
Between, main control chip acquires the level value of the status switch, the state of slip lid door is judged according to the level value, and drive horse
Motion control is carried out up to the slip lid door, in control process, by protecting circuit protection main control chip.
In the present embodiment, by protecting circuit protection main control chip, the protection of control circuit is realized by hardware circuit
Function prevents main control chip from directly contacting with status switch, improves the reliability of equipment.
In the present embodiment, the control method of the slip lid door is suitable for all electronic products including slip lid door, such as swashs
Photoelectricity view, projector etc..
In the present embodiment, the status switch includes that first switch (switch 1 is shown as in figure) and second switch (show in figure
For switch 2), the main control chip includes SW1 pin and SW2 pin, and the first switch passes through protection circuit and the master control
The SW1 pin of chip connects；The second switch is by protecting circuit to connect with the SW2 pin of the main control chip.
As shown in Fig. 2, in the present embodiment, the protection circuit includes isolation voltage overshoot circuit, the isolation voltage
Overshoot circuit include: resistance R1 and resistance R2, resistance R1 one end connect with the first switch, the other end and the master control core
The SW1 pin of piece connects；One end of resistance R2 is connect with the second switch, the SW2 pin of the other end and the main control chip
Connection.
Further, the protection circuit further comprises resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electricity
Hinder R8, triode Q1, triode Q2, triode Q3, triode Q4 and power end VCC, wherein the other end and resistance of resistance R1
One end of R3 and the base stage connection of triode Q1, the emitter ground connection of triode Q1, the collector and triode Q2 of triode Q1
Base stage and resistance R4 one end connection, the emitter ground connection of triode Q2, one end of the collector of triode Q2 and resistance R5
And the SW1 pin of main control chip connects, and connects together with the other end and the other end of the other end of resistance R4 and resistance R5 of resistance R3
It is connected to power end VCC；The other end of resistance R2 is connect with the base stage of one end of resistance R6 and triode Q3, the transmitting of triode Q3
Pole ground connection, the collector of triode Q3 are connect with one end of the base stage of triode Q4 and resistance R7, and the emitter of triode Q4 connects
The collector on ground, triode Q4 is connect with the SW2 pin of one end of resistance R8 and main control chip, the other end and resistance of resistance R6
The other end of R7 and the other end of resistance R8 are connected to power end VCC together.
In the present embodiment, in the case where equipment is not powered on, slip lid door is in close state, the conducting of switch 1, switch
2 disconnect；If assigning power-on instruction, master control IC enters initialization procedure, and detects two switch level states, the slip lid in booting
Three kinds of states of two switches can be detected in door opening procedure: 1, when slip lid door is in closing, since the conducting of switch 1 is directly grounded
And drag down triode Q1 base voltage, therefore Q1 cut-off, Q2 conducting, and NPN type triode in the on-state collector with
Voltage between emitter levels off to zero, therefore master control IC detects that 1 level of switch is low by SW1 pin；Correspondingly, due to opening
It closes 2 to disconnect and keep Q3 base voltage high, therefore Q3 conducting, Q4 cut-off, master control IC detect 2 level of switch by SW2 pin
For height；After having detected switch 1,2 state of switch, drive motor starts to rotate forward master control IC immediately, and slip lid door is driven to open；2, in cunning
Lid door opens moment to before opening completion, and two switches are in off-state, and master control IC detects that two switches are for high electricity
Flat, then persistently drive motor rotates；3, it is opened in slip lid door and completes (slip lid door reaches bottom) moment, switch 2 is closed, switch 1
Still off, master control IC detects that switch 1 is high level, switch 2 is low level, then controls motor and stop operating.
In the present embodiment, slip lid door open moment, switch 1 by closure be switched to disconnections (or switch 2 by disconnection switching
For closure) when there are voltage overshoots the phenomenon that, this circuit mainly by isolation voltage overshoot circuit part to master control IC pin into
Row protection, such as the voltage overshoot at switch 1, protection philosophy is when the voltage overshoot of switch terminals, which passes through electricity
Triode Q1 base stage is reached after hindering R1 partial pressure, Q1 is connected, passes through triode as long as can guarantee by control R1 resistance value size
Q1 is in switch state, makes the base voltage zero of Q2 after Q1 conducting and ends, and voltage clamp at SW1 is it by VCC at this time
Body voltage swing (VCC), if the safe voltage range V0~V1 for working normally master control IC, adjusts VCC voltage swing
It can reach the effect of protection master control IC in the range.
Embodiment two
As shown in Figure 3-4, in the present embodiment, the protection circuit further include: anti-voltage dither circuit, the anti-voltage
Dither circuit includes: capacitor C1 and capacitor C2, and one end of the capacitor C1 is connect with one end of the resistance R1, the capacitor C2
One end connect with one end of the resistance R2；The other end of the capacitor C1 is grounded together with the other end of capacitor C2.
In the present embodiment, when voltage dithering, C1, C2 meeting smooth voltage spike achieve the effect that filter out interference.
As another embodiment, the anti-voltage dither circuit connection relationship as shown in figure 5, the capacitor C1 one
End is connect with the SW1 pin of the main control chip, and one end of the capacitor C2 is connect with the SW2 pin of the main control chip；Institute
The other end for stating capacitor C1 is grounded together with the other end of capacitor C2.
Embodiment three
As shown in fig. 6-7, in the present embodiment, the protection circuit further include: anti-static protection circuit, the antistatic
Protecting circuit includes: transient diode (Transient Voltage Suppressor, TVS) D1 and transient diode D2, institute
The one end for stating transient diode D1 is connect with one end of the resistance R1, one end of the transient diode D2 and the resistance R2
One end connection；The other end of the transient diode D1 is grounded together with the other end of transient diode D2.
In the present embodiment, when circuit works normally, TVS pipe is in off state (high-impedance state), does not influence linemen's
Make, when abnormal over-voltage occurs in circuit, reaches its breakdown voltage, it becomes low resistance state from high-impedance state rapidly, mentions to immediate current
It is clamped down within a level of security for Low ESR guiding path, while abnormal high pressure, thus play the role of protecting IC, and
And when abnormal over-voltage disappears, it restores high-impedance state, and circuit works normally.
As another embodiment, the connection relationship of the anti-static protection circuit is as shown in figure 8, the transient diode
One end of D1 is connect with the SW1 pin of the main control chip, one end of the transient diode D2 and the SW2 of the main control chip
Pin connection；The other end of the transient diode D1 is grounded together with the other end of transient diode D2.
Example IV
In the present embodiment, as shown in figure 9, the protection circuit includes isolation voltage overshoot circuit, anti-voltage dithering electricity
Road and anti-static protection circuit, the anti-voltage dither circuit and anti-static protection circuit are located at isolation voltage overshoot circuit
The same side.
As another embodiment, as shown in Figure 10, the protection circuit includes that isolation voltage overshoots circuit, anti-voltage is trembled
Dynamic circuit and anti-static protection circuit, the anti-voltage dither circuit and anti-static protection circuit are located at isolation voltage overshoot
Circuit is located at the isolation electricity close to the side of the main control chip or the anti-voltage dither circuit and anti-static protection circuit
It presses through and rushes circuit close to the side of the status switch.
As another embodiment, as shown in figure 11, the protection circuit includes that isolation voltage overshoots circuit, anti-voltage is trembled
Dynamic circuit and anti-static protection circuit, the anti-voltage dither circuit and the anti-static protection circuit are located at the isolation voltage
Overshoot the opposite sides of circuit.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of slip lid gate control circuit, comprising: main control chip, motor, which is characterized in that further include: protection circuit, the cunning
Lid door includes status switch, and the protection circuit is set between main control chip and the status switch of slip lid door, and main control chip is adopted
The level value for collecting the status switch judges the state of slip lid door according to the level value, and drive motor is to the slip lid door
Motion control is carried out, in control process, by protecting circuit protection main control chip.
2. a kind of slip lid gate control circuit according to claim 1, which is characterized in that the status switch is opened including first
Close and second switch, the main control chip include SW1 pin and SW2 pin, the first switch by protection circuit with it is described
The SW1 pin of main control chip connects；The second switch is by protecting circuit to connect with the SW2 pin of the main control chip.
3. a kind of slip lid gate control circuit according to claim 2, which is characterized in that the protection circuit includes isolation electricity
It presses through and rushes circuit, the isolation voltage overshoot circuit includes: resistance R1 and resistance R2, one end of resistance R1 and the first switch
Connection, the other end are connect with the SW1 pin of the main control chip；One end of resistance R2 is connect with the second switch, the other end
It is connect with the SW2 pin of the main control chip.
4. a kind of slip lid gate control circuit as claimed in claim 3, which is characterized in that the protection circuit further comprises electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, triode Q1, triode Q2, triode Q3, triode Q4 and
Power end VCC, wherein the other end of resistance R1 is connect with the base stage of one end of resistance R3 and triode Q1, the hair of triode Q1
The collector of emitter grounding, triode Q1 is connect with one end of the base stage of triode Q2 and resistance R4, the emitter of triode Q2
Ground connection, the collector of triode Q2 are connect with the SW1 pin of one end of resistance R5 and main control chip, the other end and electricity of resistance R3
The other end of the other end and resistance R5 that hinder R4 is connected to power end VCC together；The other end of resistance R2 and one end of resistance R6
And the base stage connection of triode Q3, the emitter ground connection of triode Q3, the collector of triode Q3 and the base stage of triode Q4 and
One end of resistance R7 connects, the emitter ground connection of triode Q4, the collector of triode Q4 and one end of resistance R8 and master control core
The SW2 pin of piece connects, and is connected to power supply together with the other end and the other end of the other end of resistance R7 and resistance R8 of resistance R6
Hold VCC.
5. a kind of slip lid gate control circuit according to claim 2, which is characterized in that the protection circuit further include: anti-
Voltage dithering circuit, the anti-voltage dither circuit include: capacitor C1 and capacitor C2, the capacitor C1 one end and the master control
The SW1 pin of chip connects, and one end of the capacitor C2 is connect with the SW2 pin of the main control chip；The capacitor C1's is another
One end is grounded together with the other end of capacitor C2.
6. a kind of slip lid gate control circuit according to claim 3, which is characterized in that the protection circuit further include: anti-
Voltage dithering circuit, the anti-voltage dither circuit include: capacitor C1 and capacitor C2, the capacitor C1 one end and the resistance
One end of one end of R1 or connection, one end of the capacitor C2 and the resistance R2 or connection；The other end of the capacitor C1 with
The other end of capacitor C2 is grounded together.
7. a kind of slip lid gate control circuit according to claim 2, which is characterized in that the protection circuit further include: anti-
Electrostatic discharge protective circuit, the anti-static protection circuit include: transient diode D1 and transient diode D2, the transient diode
One end of D1 is connect with the SW1 pin of the main control chip, one end of the transient diode D2 and the SW2 of the main control chip
Pin connection；The other end of the transient diode D1 is grounded together with the other end of transient diode D2.
8. a kind of slip lid gate control circuit according to claim 3, which is characterized in that the protection circuit further include: anti-
Electrostatic discharge protective circuit, the anti-static protection circuit include: transient diode D1 and transient diode D2, the transient diode
One end of D1 is connect with one end of the resistance R1, and one end of the transient diode D2 is connect with one end of the resistance R2；
The other end of the transient diode D1 is grounded together with the other end of transient diode D2.
9. a kind of slip lid gate control circuit according to claim 1, which is characterized in that the protection circuit includes isolation electricity
It presses through and rushes circuit, anti-voltage dither circuit and anti-static protection circuit, the anti-voltage dither circuit and anti-static protection circuit
Positioned at the same side of isolation voltage overshoot circuit.
10. a kind of slip lid gate control circuit according to claim 9, which is characterized in that the protection circuit includes isolation
Voltage overshoot circuit, anti-voltage dither circuit and anti-static protection circuit, the anti-voltage dither circuit and antistatic protection electricity
Road is located at isolation voltage overshoot circuit close to the side of the main control chip or the anti-voltage dither circuit and antistatic
Protection circuit is located at isolation voltage overshoot circuit close to the side of the status switch.
11. slip lid gate control circuit as described in claim 1, which is characterized in that the protection circuit includes isolation voltage mistake
Rush circuit, anti-voltage dither circuit and anti-static protection circuit, the anti-voltage dither circuit and the anti-static protection circuit
Positioned at the opposite sides of isolation voltage overshoot circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260742.6A CN110311365A (en) | 2018-03-27 | 2018-03-27 | A kind of slip lid gate control circuit |
| PCT/CN2018/118822 WO2019184421A1 (en) | 2018-03-27 | 2018-12-03 | Sliding door control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260742.6A CN110311365A (en) | 2018-03-27 | 2018-03-27 | A kind of slip lid gate control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110311365A true CN110311365A (en) | 2019-10-08 |
Family
ID=68060910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810260742.6A Pending CN110311365A (en) | 2018-03-27 | 2018-03-27 | A kind of slip lid gate control circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110311365A (en) |
| WO (1) | WO2019184421A1 (en) |
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| CN203773348U (en) * | 2013-12-31 | 2014-08-13 | 镇江恒驰科技有限公司 | High-speed isolation protective circuit for online debugging tool |
| CN104563715A (en) * | 2013-10-25 | 2015-04-29 | 天津绪宝兴盛电动门有限公司 | Intelligent electric door |
| CN205657859U (en) * | 2016-04-11 | 2016-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Drive circuit and electromagnetic heating device |
| CN206235714U (en) * | 2016-11-03 | 2017-06-09 | 浙江正泰电器股份有限公司 | For the communication module of low-voltage circuit breaker detection |
| CN107217945A (en) * | 2017-06-03 | 2017-09-29 | 合肥伊只门窗有限公司 | A kind of intelligent electric door |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI309547B (en) * | 2006-11-27 | 2009-05-01 | Asustek Comp Inc | Sliding-cover faceplate and electronic device using the same |
| CN101471968A (en) * | 2007-12-27 | 2009-07-01 | 英业达股份有限公司 | Slip cover type handhold device and control mode of side key thereof |
| CN201601773U (en) * | 2009-12-25 | 2010-10-06 | 康佳集团股份有限公司 | Television |
| CN201594858U (en) * | 2009-12-30 | 2010-09-29 | 四川长虹电器股份有限公司 | Set-top box with sliding front face frame |
| CN202332271U (en) * | 2011-12-12 | 2012-07-11 | 惠州三星电子有限公司 | Novel multimedia optical disk playing device |
| CN206788538U (en) * | 2017-03-22 | 2017-12-22 | 成都市极米科技有限公司 | A kind of power-operated sliding door and projecting apparatus |
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2018
- 2018-03-27 CN CN201810260742.6A patent/CN110311365A/en active Pending
- 2018-12-03 WO PCT/CN2018/118822 patent/WO2019184421A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563715A (en) * | 2013-10-25 | 2015-04-29 | 天津绪宝兴盛电动门有限公司 | Intelligent electric door |
| CN203773348U (en) * | 2013-12-31 | 2014-08-13 | 镇江恒驰科技有限公司 | High-speed isolation protective circuit for online debugging tool |
| CN205657859U (en) * | 2016-04-11 | 2016-10-19 | 佛山市顺德区美的电热电器制造有限公司 | Drive circuit and electromagnetic heating device |
| CN206235714U (en) * | 2016-11-03 | 2017-06-09 | 浙江正泰电器股份有限公司 | For the communication module of low-voltage circuit breaker detection |
| CN107217945A (en) * | 2017-06-03 | 2017-09-29 | 合肥伊只门窗有限公司 | A kind of intelligent electric door |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019184421A1 (en) | 2019-10-03 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20191008 |