CN205036213U - Remote switch circuit of bassinet door - Google Patents
Remote switch circuit of bassinet door Download PDFInfo
- Publication number
- CN205036213U CN205036213U CN201520793910.XU CN201520793910U CN205036213U CN 205036213 U CN205036213 U CN 205036213U CN 201520793910 U CN201520793910 U CN 201520793910U CN 205036213 U CN205036213 U CN 205036213U
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- triode
- control chip
- motor
- colelctor electrode
- pin
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Abstract
The utility model discloses a remote switch circuit of bassinet door, including motor and motor control circuit, door state detection circuitry and control chip, control chip's model is LT6900AS, motor corotation control circuit connects control chip's fourth pin, the motor reversal control circuit connect control chip's the 5th pin, door state detection circuitry includes adjustable resistance, and adjustable resistance's adjustable end is connected control chip's the 13 pin. The utility model relates to a there is door state detection circuitry, can detects the on off state of door at any time, when the door takes place abnormal state, accessible time detect and send corresponding signal to control chip to sending the suggestion, reminding the head of a family to inspect the abnormal state of bassinet, effective to prevent children from is be injured.
Description
Technical field
The utility model relates to perambulator door control system, is specifically related to a kind of remote control switching circuit of perambulator car door.
Background technology
Perambulator is the dilly used to children's play, due to the self-care ability of children and awareness of safety all poor, when upper and lower car door, be easy to be clipped to by car door, cause danger, in the prior art, there is no the abnormality of enough reliable, simple safety measure monitoring car door, prevent children to be at play in process and cause danger.
Utility model content
For the deficiencies in the prior art, the utility model discloses a kind of remote control switching circuit of perambulator car door.
The technical solution of the utility model is as follows:
A remote control switching circuit for perambulator car door, comprises motor and circuit for controlling motor, vehicle door status testing circuit and control chip;
The model of described control chip is LT6900AS; First pin of described control chip is remote controller signal receiving port;
Described motor and circuit for controlling motor comprise motor, motor rotates forward control circuit and motor reversal control circuit; Also comprise the driving interface be connected on motor;
Described motor rotates forward control circuit and comprises the first triode, the second triode, the 3rd triode; The base stage of the first triode connects the 4th pin of described control chip, and colelctor electrode connects power voltage terminal, and emitter stage connects the base stage of the 3rd triode; The emitter stage of the second triode is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 3rd triode; The grounded emitter of the 3rd triode; The colelctor electrode of the second triode is connected the first pin driving interface with the common port of the colelctor electrode of the 3rd triode;
Described motor reversal control circuit comprises the 4th triode, the 5th triode, the 6th triode; The base stage of the 5th triode connects the 5th pin of described control chip, and colelctor electrode connects power voltage terminal, and emitter stage connects the base stage of the 6th triode; The emitter stage of the 4th triode is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 6th triode; 6th triode grounded emitter;
Described vehicle door status testing circuit comprises variable resistor, and described variable-resistance two fixed ends connect power voltage terminal and earth terminal respectively, and variable-resistance adjustable end connects the 13 pin of described control chip.
Advantageous Effects of the present utility model is:
The utility model is designed with vehicle door status testing circuit, can detect the on off state of car door at any time, when car door generation abnormality, can detect in time and corresponding signal is sent to control chip, and send prompting, remind the abnormality of the head of a family to perambulator to check, effectively prevent children injured.
The utility model also includes wireless remote controller, the on off state of remote controlled car door, convenient when making the head of a family accompany child to play.
Accompanying drawing explanation
Fig. 1 is motor of the present utility model and circuit for controlling motor schematic diagram.
Fig. 2 is vehicle door status testing circuit schematic diagram of the present utility model.
Fig. 3 is control chip circuit diagram of the present utility model.
Detailed description of the invention
Fig. 1 is motor of the present utility model and circuit for controlling motor schematic diagram.
Motor and circuit for controlling motor comprise motor M, motor rotates forward control circuit and motor reversal control circuit.Motor M is connected to and drives on interface CN1, and the running of motor M controls by driving interface CN1.
Motor rotates forward control circuit and comprises triode QM2, triode TM1, triode QM5; The base stage of triode QM2 is port PWM1, connection control chip, and colelctor electrode connects supply voltage, the base stage of emitter stage connecting triode QM5; The emitter stage of triode TM1 is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 3rd triode QM5; The grounded emitter of triode QM3; The colelctor electrode of triode TM1 is connected the first pin driving interface CN1 with the common port of the colelctor electrode of triode QM5.
Described motor reversal control circuit comprises triode TM2, triode QM3, triode QM4; The base stage of triode QM3 is port PWM2, connection control chip, and colelctor electrode connects supply voltage, the base stage of emitter stage connecting triode QM4; The emitter stage of triode TM2 is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 6th triode QM4; Triode QM4 grounded emitter.The colelctor electrode of triode TM2 is connected the second pin driving interface CN1 with the common port of the colelctor electrode of triode QM4.
For ensureing that each triode above-mentioned normally works, in Fig. 1, also comprise multiple auxiliary resistance and diode.As shown in Figure 1, resistance RM1 is connected between the base stage of port PWM1 and triode QM2, between the base stage that resistance RM3 is connected to triode QM2 and earth terminal.Resistance RM6 and resistance RM10 connects, between the colelctor electrode being connected to power voltage terminal and triode QM2.Resistance RM2 is connected between the base stage of port PWM2 and triode QM3, and resistance RM4 is connected between the base stage of earth terminal and triode QM3, and resistance RM7 and resistance RM9 connects, between the colelctor electrode being connected to triode QM5 and power voltage terminal.
The positive pole of diode D3 is connected to the emitter stage of triode QM5, and the negative pole of diode D3 is connected to the colelctor electrode of triode QM5.The positive pole of diode D2 is connected to the colelctor electrode of triode QM5, the minus earth of diode D2.The positive pole of diode D1 is connected to the colelctor electrode of triode QM4, the minus earth of diode D1.The positive pole of diode D4 is connected to the emitter stage of triode QM4, and the negative pole of diode D4 is connected to the colelctor electrode of QM4.
Fig. 2 is vehicle door status testing circuit schematic diagram of the present utility model.Vehicle door status testing circuit comprises variable resistor R1, and two fixed ends of variable resistor R1 connect power voltage terminal and earth terminal respectively, and the adjustable end P1 of variable resistor R1 is port MCU-CHECK, is connected on control chip.Also comprise resistance RM in Fig. 2, be connected between adjustable end P1 and port MCU-CHECK.Also comprise electric capacity CU21, one end ground connection, other end connectivity port MCU-CHECK.
Fig. 3 is control chip circuit diagram of the present utility model.The model of control chip U1 is LT6900AS, and the 4th pin of control chip U1 is the base stage of port PWM1, connecting triode QM3.5th pin of control chip U1 is the base stage of port PWM2, connecting triode QM3.13 pin of control chip U1 is port MCU-CHECK, is connected with the adjustable end P1 of variable resistor R1.First pin of control chip U1 is remote controller signal receiving port ANT.
Operating principle of the present utility model is:
The two ends of variable resistor R1 connect power voltage terminal and earth terminal respectively, and the voltage of variable resistor R1 keeps certain.When vehicle door status changes, the position of the adjustable end P1 of variable resistor R1 changes, and namely the dividing potential drop at adjustable end P1 place changes, and when the dividing potential drop of adjustable end P1 is 0 ~ 0.7V, represents closing of the door; When the dividing potential drop of adjustable end P1 is 11.3 ~ 12V, represent car door opening; When the dividing potential drop of adjustable end P1 is between 0.7 ~ 11.3V, represent that vehicle door status is abnormal.Namely vehicle door status testing circuit is detected the state of car door by variable resistor R1, and by adjustable end P1 by the status information transmission of car door to control chip U1.By programming, the state change of control chip U1 to car door is set and makes corresponding reaction.
First pin of control chip U1 is also connected with wireless antenna ANT, the signal opening car door or closed door of remote controller can be received, after control chip U1 receives signal, to the 4th pin and the 5th pin, namely port PWM1 and port PWM2 sends the control signal to car door.
When port PWM1 is high level, when port PMW2 is low level, motor rotates forward triode QM2, triode TM1 in control circuit, triode QM3 is energized unlatchings, and by driving interface CN1, drive motors M operates, and makes closing of the door.When port PWM1 is low level, when port PWM2 is high level, the triode TM2 in motor reversal control circuit, triode QM3, triode QM4 are energized unlatching, by driving interface CN1, drive car door motor M to operate to other direction, car door opening.
When vehicle door status is abnormal, port MCU-CHECK receives the signal of vehicle door status exception, passes to control chip U1, and control chip U1 makes response, and to port PWM1 and port PWM2 all output low levels, car door is out of service, ensures the safety of children by bus.
Above-described is only preferred embodiment of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate under the prerequisite not departing from spirit of the present utility model and design, all should think and be included within protection domain of the present utility model.
Claims (1)
1. a remote control switching circuit for perambulator car door, is characterized in that: motor and circuit for controlling motor, vehicle door status testing circuit and control chip (U1);
The model of described control chip (U1) is LT6900AS; First pin of described control chip (U1) is remote controller signal receiving port;
Described motor and circuit for controlling motor comprise motor (M), motor rotates forward control circuit and motor reversal control circuit; Also comprise the driving interface (CN1) be connected on motor (M);
Described motor rotates forward control circuit and comprises the first triode (QM2), the second triode (TM1), the 3rd triode (QM5); The base stage of the first triode (QM2) connects the 4th pin of described control chip (U1), and colelctor electrode connects power voltage terminal, and emitter stage connects the base stage of the 3rd triode (QM5); The emitter stage of the second triode (TM1) is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 3rd triode (QM5); The grounded emitter of the 3rd triode (QM5); The colelctor electrode of the second triode (TM1) is connected the first pin driving interface (CN1) with the common port of the colelctor electrode of the 3rd triode (QM5);
Described motor reversal control circuit comprises the 4th triode (TM2), the 5th triode (QM3), the 6th triode (QM4); The base stage of the 5th triode (QM3) connects the 5th pin of described control chip (U1), and colelctor electrode connects power voltage terminal, and emitter stage connects the base stage of the 6th triode (QM4); The emitter stage of the 4th triode (TM2) is connected supply voltage with base stage, and colelctor electrode connects the colelctor electrode of the 6th triode (QM4); 6th triode (QM4) grounded emitter; The colelctor electrode of the 4th triode (TM2) is connected the second pin driving interface (CN1) with the common port of the colelctor electrode of the 6th triode (QM4);
Described vehicle door status testing circuit comprises variable resistor (R1), two fixed ends of described variable resistor (R1) connect power voltage terminal and earth terminal respectively, and the adjustable end (P1) of variable resistor (R1) connects the 13 pin of described control chip (U1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793910.XU CN205036213U (en) | 2015-10-14 | 2015-10-14 | Remote switch circuit of bassinet door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793910.XU CN205036213U (en) | 2015-10-14 | 2015-10-14 | Remote switch circuit of bassinet door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205036213U true CN205036213U (en) | 2016-02-17 |
Family
ID=55295122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520793910.XU Expired - Fee Related CN205036213U (en) | 2015-10-14 | 2015-10-14 | Remote switch circuit of bassinet door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205036213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234635A (en) * | 2017-06-15 | 2017-10-10 | 深圳市海曼科技有限公司 | Manipulator circuit for remotely controlling and remote detecting system and its detection method |
-
2015
- 2015-10-14 CN CN201520793910.XU patent/CN205036213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107234635A (en) * | 2017-06-15 | 2017-10-10 | 深圳市海曼科技有限公司 | Manipulator circuit for remotely controlling and remote detecting system and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20201014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |