CN216086223U - Electric box opening control circuit - Google Patents
Electric box opening control circuit Download PDFInfo
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- CN216086223U CN216086223U CN202122540962.4U CN202122540962U CN216086223U CN 216086223 U CN216086223 U CN 216086223U CN 202122540962 U CN202122540962 U CN 202122540962U CN 216086223 U CN216086223 U CN 216086223U
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Abstract
The utility model discloses an electric box opening control circuit, which belongs to the technical field of electric box opening, and comprises a battery, wherein one end of the battery is connected with a charger module and a charging and discharging protection module, the other end of the battery is connected with a switch control module, an infrared sensor module, a CPU signal control module and a motor control module, the CPU signal control module is respectively connected with the switch control module, the infrared sensor module and the motor control module, the charger module comprises a charging management chip and a charging socket, and the charger module is used for a charging state indication function, a charging end indication function, a constant-current charging current setting function and a charging current detection function, and has the advantages of effective charging and discharging protection, automatic opening and closing, space saving, simplicity and convenience and practicability.
Description
Technical Field
The utility model relates to the technical field of electric box opening, in particular to an electric box opening control circuit.
Background
In an electric control mechanical motion system, a circuit mainly based on a battery protection management IC is used for effectively protecting the charging and discharging of a battery; the control circuit mainly using the CPU is used for controlling the motor, so that the electric device controls the mechanical motion to normally run to reach a set state, thereby facilitating production and life and meeting the production and life requirements of people.
When the prior art implements control, the power end battery does not obtain effective charge-discharge protection, the mechanical motion end can not obtain the control of effective telescopic distance and dynamics, easily causes the damage to articles and the person, the operation brings a great deal of inconvenience for life, does not have charge-discharge protection, very easily causes the battery life to shorten, leads to the battery burning even, from top to bottom, has the shortcoming of not having charge-discharge protection in the current electronic box-opening operation, is difficult to obtain popularization and application.
Therefore, it is desirable to provide an electric box opening control circuit, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings in the prior art, an embodiment of the present invention provides an electric box opening control circuit to solve the above problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
an electric box opening control circuit comprises a battery, wherein one end of the battery is connected with a charger module and a charging and discharging protection module, the other end of the battery is connected with a switch control module, an infrared sensor module, a CPU signal control module and a motor control module, and the CPU signal control module is respectively connected with the switch control module, the infrared sensor module and the motor control module;
the charger module comprises a charging management chip and a charging socket, and is used for indicating the charging state and the charging end, setting the constant-current charging current and detecting the charging current.
The charging and discharging protection module comprises a protection chip and an MOS (metal oxide semiconductor) tube, pins of the protection chip are connected with corresponding pins of the MOS tube, the protection chip is connected with the anode of the battery through a resistor, a pin voltage detection end of the protection chip is connected with the charging management chip through a resistor, and the protection chip is connected with the capacitor in series and is grounded.
As a further scheme of the present invention, the CPU signal main control module includes a CPU chip, a specific pin of the CPU chip is connected to corresponding sockets of the infrared sensor module and the switch control module, a related pin of the CPU chip is connected to the programming plug-in, and two output pins of the CPU chip controlling the driving motor to rotate forward and backward are respectively connected to two input ports of the motor control module.
As a further scheme of the present invention, the switch control module includes a control switch CON3, a control switch CON5 and a daughter board PCB, and sockets on the control switch CON3 and the control switch CON5 are respectively connected to corresponding pins on the CPU chip.
As a further scheme of the present invention, the infrared sensor module includes a plug CON3, a plug CON5, and a daughter board PCB, and sockets on the infrared sensor plug CON3 and the plug CON5 are respectively connected to corresponding pins of the CPU chip.
As a further scheme of the present invention, the motor control module includes a motor control chip, a pin 2 of the motor control chip is connected to a pin 2 of the CPU chip, a pin 3 of the motor control chip is connected to a pin 1 of the CPU chip, the pin 1 of the motor control chip is grounded, a pin 4 of the motor control chip is connected to a voltage of 4.2V, positive and negative output pins of a driving motor of the motor control chip are respectively connected to two sockets of a forward and reverse socket of the motor, and the remaining two pins of the motor control chip are respectively grounded.
In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
according to the utility model, through the charge-discharge protection module, the battery, the circuit and the components are effectively protected, and the service life of the circuit is prolonged; the single chip microcomputer and the program thereof effectively control the forward and reverse rotation of the motor by detecting the current of the switch and the infrared sensing signal, open and close the box according to the program setting, and the whole control system is respectively assembled on a PCB main board and a daughter board to form a complete control system, so that the arrangement is clear, the space is saved, the production and the use are convenient, and the effects of effective charge and discharge protection, automatic opening and closing and simplicity, convenience and practicability are achieved.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a circuit diagram of motor control in an embodiment of the present invention.
Fig. 2 is a circuit diagram of a program plug-in an embodiment of the present invention.
Fig. 3 is a circuit diagram of battery connection according to an embodiment of the present invention.
Fig. 4 is a connection diagram of the PCB board in the embodiment of the present invention.
Reference numerals: 1-charger chip, 2-CPU chip, 3-motor control chip, 4-charge-discharge protection chip, 5-MOS tube, 6-charging socket, 7-program burning socket, 8-switch and infrared sensing control socket A, 9-switch and infrared sensing control socket B, 10-motor positive and negative rotation socket, 11-battery positive pole and 12-battery negative pole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In an embodiment of the present invention, referring to fig. 1, 2, 3 and 4, the electric box opening control circuit includes a battery, one end of the battery is connected with a charger module and a charging and discharging protection module, the other end of the battery is connected with a switch control module, an infrared sensor module, a CPU signal control module and a motor control module, and the CPU signal control module is respectively connected with the switch control module, the infrared sensor module and the motor control module; the charger module comprises a charging management chip and a charging socket 6, and is used for a charging state indicating function, a charging end indicating function, a constant-current charging current setting function and a charging current detecting function; the charge and discharge protection module comprises a protection chip 4 and an MOS (metal oxide semiconductor) tube 5, wherein pins of the protection chip 4 are connected with corresponding pins of the MOS tube 5, the protection chip 4 is connected with the anode of a battery through a resistor, a pin voltage detection end of the protection chip 4 is connected with a charge management chip through a resistor, and the protection chip 4 is connected with a capacitor in series and grounded.
In this embodiment, the switch control module and the infrared sensing module include control switches CON3, CON5, R10, R11, R1 and R7, and CON3 and CON5 respectively corresponding to the switch and the infrared sensing control socket A8 and the switch and the infrared sensing control socket B9 are connected to related pins of the CPU chip 2 through resistors to transmit signals, so as to control the motor by the CPU chip 2, and finally realize the use function of opening the box, and the charging socket 6 is connected to the charger chip 1 to provide a safe and stable support for battery charging.
The CON2 corresponding to the program recording socket 7 provides convenience for CPU program recording input, wherein the switch control module is used for transmitting a signal for controlling opening and closing or opening to the signal control module, the infrared sensing module is used for receiving an infrared signal to control opening or closing of the box and sending the infrared signal to the signal control module after the opening or closing state meets requirements, the signal control module is used for outputting the signal input by the switch control module to the motor control module, when receiving the signal input by the infrared sensing detection module, the signal is output to the motor control module, the motor control module is used for controlling the motor to rotate forward (open) or rotate backward (close) according to the signal input by the signal control module, and the charge and discharge protection module is used for protecting a battery and a circuit during opening and charging and discharging.
In an embodiment of the present invention, referring to fig. 1, fig. 2, fig. 3 and fig. 4, the signal control module includes a CPU chip 2, the related pins of the CPU chip 2 are connected to a switch and infrared sensing control socket A8 and a switch and infrared sensing control socket B9, the related pins of the CPU chip 2 are connected to a CON2 corresponding to the program burning socket 7, and the related pins of the CPU chip 2 are connected to the signal input pins of the driving motor chip 3, so as to form a complete signal transmission network.
The CPU chip 2 receives signals of the control switch and infrared sensing control socket A8 and the switch and infrared sensing control socket B9, outputs the signals to the motor control module, and drives the motor to operate when the CPU chip 2 receives the signals input by the switch and infrared sensing control socket A8 and the switch and infrared sensing control socket B9, so that the box opening function is realized.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the motor control module includes a motor control chip 3, a positive/negative rotation control input pin of the motor control chip 3 is connected to a positive/negative rotation control output pin of the CPU chip 2, respectively, a ground pin of the motor control chip 3 is grounded, a power input pin of the motor control chip 3 is connected to a 4.2V voltage, and a positive rotation pin and a negative rotation output pin of the motor control chip 3 are connected to a positive electrode and a negative electrode of a positive/negative rotation socket 10 of the driving motor, respectively.
The motor control chip 3 processes according to the signal input by the CPU chip 2 to control the forward rotation and the reverse rotation of the driving motor, and meanwhile, the motor control chip 3 has a current-limiting protection function, and when the over-discharge occurs, the CPU chip 2 can control the motor control chip 3 to stop working, so that the battery is prevented from being damaged.
In an embodiment of the present invention, referring to fig. 1, fig. 2, fig. 3, and fig. 4, the charge and discharge protection module includes a protection chip 4 and an MOS transistor 5, a pin 3 of the battery protection chip 4 is connected to a pin 2 of the MOS transistor 5, a pin 4 of the battery protection chip 4 is connected to a pin 4 of the MOS transistor 5, a pin 1 of the battery protection chip 4 is connected to a battery anode 11 through a resistor R8, a pin 5 of the battery protection chip 4 for charge voltage detection and a resistor R5 are connected in series to a battery charge input terminal of the charger chip 1, a pin 6 of the battery protection chip 4 is grounded through a capacitor C5, a pin 1 of the battery protection chip 4 is grounded through a capacitor C6 and a C5 in series, and a pin 2 of the battery protection chip 4 is grounded.
The MOS tube 5 is driven to be conducted when the protection chip 4 is charged and discharged, and damage to the battery during charging and discharging is prevented.
In this embodiment, when the box needs to be opened, the infrared sensing control plug-ins CON3, CON5 and the control pins of the daughter board PCB output signals, and the related pins of the CPU chip 2 receive signals, so that the control motor signal output pin of the CPU chip 2 outputs signals to the related signal receiving pin of the motor control chip 3, and further the forward rotation pin of the motor control chip 3 outputs a high level to drive the motor to rotate forward, so as to drive the box to be opened, and when the box is opened to a certain angle, the box is automatically closed after a pause of several seconds is set through the CPU chip 2; meanwhile, the output signals of the contact switch plug-ins A8 and B9 and the control pins of the daughter board PCB are used for transmitting the output signals to the relevant signal receiving pins of the CPU chip 2, so that the CPU chip 2 outputs the processed signals to the motor control chip 3, and the driving motor is driven to operate to realize the functions of opening and closing the electric box.
In an embodiment of the present invention, referring to fig. 4, the battery anode 11 and the battery cathode 12 at the battery power supply correspond to voltages input by each module, the charger socket 6 charges the battery (not shown in the circuit structure), the protection chip 4 protects the battery anode 11, the battery cathode 12, the charger socket 6 and the charger chip 1, the protection chip 4, the charger socket 6, the first switch and the infrared sensing socket a8, the second switch and the infrared sensing socket B9 corresponding to the control switches CON3 and CON5, the battery anode 11 and the battery cathode 12 are respectively assembled on a PCB motherboard and a daughter board to form a complete control system.
Discharging the battery, and supplying electric energy to the circuit to ensure the effective operation of the open box by starting the first switch and infrared sensing plug A8 and the second switch and infrared sensing plug B9; the mechanical motion part takes the CPU chip 2 as a master controller, transmits signals for controlling the forward rotation and the reverse rotation of the motor to the motor control chip 3 through the CPU chip 2, and finally realizes the effective opening or closing of the box opening, thereby achieving the purpose of use, and the box opening is automatically closed after the box opening is finished for a long time.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An electric box opening control circuit comprises a battery, and is characterized in that one end of the battery is connected with a charger module and a charging and discharging protection module, the other end of the battery is connected with a switch control module, an infrared sensor module, a CPU signal control module and a motor control module, and the CPU signal control module is respectively connected with the switch control module, the infrared sensor module and the motor control module;
the charger module comprises a charging management chip and a charging socket and is used for indicating a charging state and a charging end and setting a constant-current charging current and detecting the charging current;
the charging and discharging protection module comprises a protection chip and an MOS (metal oxide semiconductor) tube, pins of the protection chip are connected with corresponding pins of the MOS tube, the protection chip is connected with the anode of the battery through a resistor, a pin voltage detection end of the protection chip is connected with the charging management chip through a resistor, and the protection chip is connected with the capacitor in series and is grounded.
2. The electric box opening control circuit according to claim 1, wherein the CPU signal main control module comprises a CPU chip, related pins of the CPU chip are connected to corresponding sockets of the infrared sensor module and the switch control module, related pins of the CPU chip are connected to a programming plug-in, and two pins of the CPU chip controlling the driving motor to rotate forward and backward are respectively connected to two input ports of the motor control module.
3. The electric box-opening control circuit of claim 2, wherein the switch control module comprises a control switch CON3 and a control switch CON5, and the sockets on the control switch CON3 and the control switch CON5 are respectively connected to corresponding pins on the CPU chip.
4. The electric box opening control circuit according to claim 2, wherein the infrared sensor module comprises a plug CON3 and a plug CON5, and the sockets on the infrared sensor plug CON3 and the plug CON5 are respectively connected with corresponding pins of the CPU chip.
5. The electric box opening control circuit according to claim 2, wherein the motor control module comprises a motor control chip, a pin 2 of the motor control chip is connected with a pin 2 of the CPU chip, a pin 3 of the motor control chip is connected with a pin 1 of the CPU chip, the pin 1 of the motor control chip is grounded, a pin 4 of the motor control chip is connected with a voltage of 4.2V, a positive electrode pin and a negative electrode pin of a driving motor of the motor control chip are respectively connected with two sockets of a socket for forward and reverse rotation of the motor, and the remaining two pins of the motor control chip are respectively grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122540962.4U CN216086223U (en) | 2021-10-21 | 2021-10-21 | Electric box opening control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122540962.4U CN216086223U (en) | 2021-10-21 | 2021-10-21 | Electric box opening control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216086223U true CN216086223U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122540962.4U Active CN216086223U (en) | 2021-10-21 | 2021-10-21 | Electric box opening control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216086223U (en) |
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2021
- 2021-10-21 CN CN202122540962.4U patent/CN216086223U/en active Active
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