WO2023082054A1 - Structure de circuit et son procédé de commande, et dispositif intelligent - Google Patents

Structure de circuit et son procédé de commande, et dispositif intelligent Download PDF

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Publication number
WO2023082054A1
WO2023082054A1 PCT/CN2021/129603 CN2021129603W WO2023082054A1 WO 2023082054 A1 WO2023082054 A1 WO 2023082054A1 CN 2021129603 W CN2021129603 W CN 2021129603W WO 2023082054 A1 WO2023082054 A1 WO 2023082054A1
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WO
WIPO (PCT)
Prior art keywords
circuit structure
switch
power supply
controller
sampling
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Application number
PCT/CN2021/129603
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English (en)
Chinese (zh)
Inventor
雷云
张智锋
林建平
Original Assignee
深圳市华思旭科技有限公司
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Application filed by 深圳市华思旭科技有限公司 filed Critical 深圳市华思旭科技有限公司
Priority to PCT/CN2021/129603 priority Critical patent/WO2023082054A1/fr
Publication of WO2023082054A1 publication Critical patent/WO2023082054A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the present application relates to the field of consumer electronic products, and more specifically, to a circuit structure, a control method thereof, and an intelligent device.
  • the power supply device when the voltage of the vehicle battery is insufficient, the power supply device can be used to supply power to the engine to assist in ignition. Wherein, in order to enable the power supply equipment to effectively output energy, it is necessary to control the discharge of the power supply equipment. Therefore, how to accurately control the power supply equipment to supply power to the engine is a technical problem that needs to be solved urgently in this field.
  • the embodiments of the present application relate to a circuit structure, a control method thereof, and an intelligent device.
  • the circuit structure of the embodiment of the present application can realize the connection between the power supply device and the car battery, the power supply device includes a power supply component, and the circuit structure includes a first power port, a second power port, a sampling module, a first switch and a controller,
  • the first power port can be connected to the first pole of the car battery through the sampling module and the first switch respectively;
  • the second power port can be connected to the second pole of the car battery;
  • the control The controller is used to control the state of the first switch according to the sampling electrical signal on the sampling module.
  • the sampling module includes a sampling resistor and a second switch, and when the second switch is turned on, the controller is used to control the first sampling resistor according to the sampling electrical signal on the sampling resistor. The state of a switch.
  • the controller is configured to control the second switch to turn off when controlling the first switch to turn on.
  • the sampling module further includes a current-limiting resistor, and the first power port can be connected to the first pole of the car battery through the sampling resistor, the current-limiting resistor and the second switch .
  • the controller is used to determine whether the vehicle starts ignition according to the sampled electrical signal.
  • the value of the sampled electrical signal is related to the current of the sampling module, and the controller can determine that the rate of change of the current of the sampling module is greater than a preset current change based on the sampled electrical signal. If the rate is low, make sure the car is sparked.
  • the value of the sampled electrical signal is related to the voltage of the sampling module, and the controller can determine that the rate of change of the voltage of the sampling module is greater than a preset voltage change based on the sampled electrical signal. If the rate is low, make sure the car is sparked.
  • the controller is configured to control the first switch to be turned on when it is determined that the car is being turned on; and to control the first switch to be turned off when it is determined that the car is not being turned on. .
  • the circuit structure further includes a signal amplification module, the signal amplification module is used to amplify the sampled electrical signal, and the controller is used to control the first The state of the switch.
  • the controller is used to control the sampling module to be turned on at a preset period, so as to control the state of the first switch according to the sampling electrical signal.
  • the circuit structure includes an electronic switch driving power supply and an electronic switch control circuit
  • the electronic switch driving power supply is used to provide an operating voltage for the first switch
  • the electronic switch control circuit is used to A signal from the controller controls the state of the first switch.
  • the circuit structure includes a controller power supply circuit, and the controller power supply circuit is used to provide an operating voltage for the controller.
  • the circuit structure includes a voltage detection circuit for detecting the voltage value of the vehicle battery, and the controller is used for outputting a control signal according to the voltage value of the vehicle battery.
  • the circuit structure includes a prompting element, and the prompting element is used to issue a prompt when the power supply device is connected to the vehicle battery in reverse.
  • the circuit structure further includes a key
  • the controller is used to control the working mode of the circuit structure according to the state of the key.
  • the power supply component includes a plurality of supercapacitors connected in series.
  • the control method in the embodiment of the present application is used in a circuit structure, the circuit structure can realize the connection between the power supply device and the car battery, the power supply device includes a power supply component, and the circuit structure includes a first power supply port, a second power supply port, a sampling module and a first switch, the first power port can be connected to the first pole of the car battery through the sampling module and the first switch respectively; the second power port can be connected to the second pole of the car battery pole connection; the control method includes:
  • the state of the first switch is controlled according to the sampling electrical signal on the sampling module.
  • the smart device in the embodiment of the present application includes a housing and the circuit structure in any of the above embodiments, the circuit structure is arranged in the housing.
  • the power port forms a loop with the car battery through the sampling module, and the power port can discharge to the car battery through the sampling module. Therefore, the electrical signal on the loop will also change. At this time, the sampling electrical signal on the sampling module can reflect whether there is such a change. By obtaining the sampling electrical signal on the sampling module, the sampling electrical signal can be quickly and accurately The state of the first switch can be precisely controlled, so that the power supply port can be accurately controlled to supply power to the vehicle engine.
  • Fig. 1 is a schematic diagram of connection of power supply equipment, circuit structure, and car battery in some embodiments of the present application.
  • Fig. 2 is a schematic diagram of the circuit structure of some embodiments of the present application.
  • Fig. 3 is a schematic diagram of a smart device in some embodiments of the present application.
  • the circuit structure 10 of the embodiment of the present application can realize the connection between the power supply device 400 and the car battery 600 , and the power supply device 400 includes a power supply assembly 410 .
  • the circuit structure 10 includes a first power port 11 , a second power port 12 , a sampling module 13 , a first switch 14 and a controller 15 .
  • the first power port 11 can be connected to the first pole of the car battery 600 through the sampling module 13 and the first switch 14 respectively.
  • the second power supply port 12 can be connected to the second pole of the vehicle battery 600 .
  • the controller 15 is configured to control the state of the first switch 14 according to the sampling electrical signal on the sampling module 13 , wherein the state of the first switch 14 includes on, off and so on.
  • the power port (the first power port 11 and the second power port 12) forms a loop with the car battery 600 through the sampling module 13, and the power port can discharge the car battery 600 through the sampling module 13, because When the car is turned on, the voltage of the car battery 600 will change, therefore, the electrical signal on the loop will also change.
  • the sampling electrical signal on the sampling module 13 can reflect whether there is such a change.
  • the sampled electrical signal can be used to quickly and accurately control the state of the first switch 14 according to the sampled electrical signal, so that the power port can be accurately controlled to supply power to the vehicle engine.
  • the power supply device 400 can be a starting power supply, an emergency power supply and other equipment.
  • the power supply device 400 can be connected to the car battery 600 through the circuit structure 10, and the power supply device 400 is used to assist the car in ignition.
  • the power supply device 400 includes a power supply assembly 410, and the electric energy stored in the power supply assembly 410 can be used to assist the ignition of the vehicle.
  • the first power port 11 can be used to connect the first pole of the power supply assembly 410 and the first pole of the car battery 600
  • the second power port 12 can be used to connect the second pole of the power supply assembly 410 and the second pole of the car battery 600 .
  • the first pole of the power supply component 410 may be one of the positive pole and the negative pole of the power supply component 410
  • the second pole of the power supply component 410 may be the other of the positive pole and the negative pole of the power supply component 410
  • the first power port 11 can be used to connect the positive pole of the power supply component 410
  • the second power supply port 12 can be used to connect the negative pole of the power supply component 410 .
  • the first power port 11 can be connected to the first pole of the car battery 600 through the sampling module 13 and the first switch 14 respectively, thereby forming two branches.
  • the first branch is that the first power port 11 is connected to the first pole of the car battery 600 through the sampling module 13, and the state of the car battery 600 (for example, whether it is discharged) can be detected through the first branch.
  • the second branch is that the first power port 11 is connected to the first pole of the car battery 600 through the first switch 14, and the first power port 11 can discharge to the car through the second branch.
  • the first switch 14 can include a high-power electronic switch, which can be an electronic switch with a power greater than a preset power, and the first power port 11 can be connected to the first pole of the car battery 600 through a high-power electronic switch, thereby improving discharge Speed, so that the electric energy of the power supply assembly 410 can be discharged to the car with a relatively large power, thereby assisting the ignition of the car.
  • the first pole of the car battery 600 may be one of the positive pole and the negative pole of the car battery 600
  • the second pole of the car battery 600 may be the other of the positive pole and the negative pole of the car battery 600 .
  • the first pole of the car battery 600 corresponds to the first pole of the power supply assembly 410, that is, both are positive or negative; the second pole of the car battery 600 The poles correspond to the second poles of the power supply assembly 410, that is, both are negative poles or both are positive poles.
  • the control of the circuit arrangement 10 can be realized by means of the controller 15 .
  • the controller 15 may include a driver board, other general-purpose processors, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a ready-made programmable gate array (Field-Programmable Gate Array, FPGA) ) or one or more of other programmable logic devices, discrete gate or transistor logic devices, and discrete hardware components.
  • the driver board may include a central processing unit (Central Processing Unit, CPU).
  • the sampling module 13 includes a sampling resistor 132 and a second switch 134.
  • the controller 15 is used to control the The state of the first switch 14 .
  • the control of the sampling resistor 132 can be realized through the second switch 134, so that the sampling resistor 132 can be connected to the circuit or disconnected.
  • the second switch 134 When the second switch 134 is turned on, the sampling resistor 132 is connected to the circuit, and the first power supply port 11 can be connected to the first pole of the car battery 600 through the sampling resistor 132 and the second switch 134. Therefore, when the voltage of the car battery 600 occurs When changing, the sampling electrical signal on the sampling resistor 132 can reflect whether there is the change, therefore, by acquiring the sampling electrical signal on the sampling resistor 132, the state of the first switch 14 can be quickly and accurately controlled according to the sampling electrical signal, thereby The power port can be accurately controlled to supply power to the car engine.
  • the specific resistance value of the sampling resistor 132 can be designed according to circuit requirements, and is not specifically limited here. In one embodiment, the resistance value of the sampling resistor 132 may be 10 milliohms or 20 milliohms (m ⁇ ).
  • the withstand power of the first switch 14 is greater than the withstand power of the second switch 134, and the relatively small withstand power of the second switch 134 can facilitate the reduction of the loop current of the branch corresponding to the sampling module 13, and reduce the load on the loop. Lost power, thereby reducing the energy consumption of the power supply device 400 .
  • the controller 15 is configured to control the second switch 134 to turn off when the first switch 14 is turned on.
  • the power supply device 400 discharges to the car through the first power port 11. At this time, it is not necessary to detect the state of the car battery 600 through the sampling module 13. Therefore, the second switch 134 can be controlled to be disconnected, thereby avoiding Unnecessary energy consumption.
  • the controller 15 is used to control the first switch 14 to be turned off when the second switch 134 is controlled to be closed.
  • the circuit structure 10 detects the state of the car storage battery 600 through the sampling module 13. At this time, the power supply device 400 does not need to discharge to the car through the first power port 11. Therefore, the first switch 14 can be controlled to be disconnected, thereby Avoid unnecessary energy consumption.
  • the sampling module 13 also includes a current-limiting resistor 136 , and the first power port 11 can be connected to the first battery 600 of the car battery 600 through the sampling resistor 132 , the current-limiting resistor 136 and the second switch 134 . pole.
  • the current limiting resistor 136 can reduce the loop current of the branch corresponding to the sampling module 13, reduce the power consumed by the loop, thereby reducing the energy consumption of the power supply device 400, and can avoid the second switch 134, Components such as the car battery 600 are damaged.
  • the resistance value of the current limiting resistor 136 is greater than the resistance value of the sampling resistor 132 , so the current limiting resistor 136 can play a better role in current limiting. In one embodiment, the resistance value of the current limiting resistor 136 is 100 ohms ( ⁇ ).
  • the controller 15 is used to determine whether the vehicle starts ignition according to the sampled electrical signal.
  • the power port forms a loop with the car battery 600 through the sampling module 13, and the power port can discharge to the car battery 600 through the sampling module 13.
  • the voltage of the car battery 600 will change.
  • the electric signal also changes, and the sampling electric signal on the sampling module 13 can reflect whether there is this change at this time.
  • the value of the sampled electrical signal is related to the current of the sampling module 13, and the controller 15 can determine that the rate of change of the current of the sampling module 13 based on the sampled electrical signal is greater than the preset rate of change of the current. To start a fire.
  • the sampled electrical signal is a current signal, and it may be directly determined whether the current change rate of the sampled electrical signal is greater than a preset current change rate. In another embodiment, the sampled electrical signal is a voltage signal, and whether the current change rate is greater than a preset current change rate can be determined through the voltage signal and the resistance value of the sampling resistor 132 .
  • the preset current change rate can be adjusted according to the actual circuit design, and different sampling resistors 132 and current limiting resistors 136 can correspond to different preset current change rates.
  • the preset current change rate is, for example, 20mA/2ms.
  • the controller 15 can determine that the car is being turned on when it is determined based on the sampled electrical signal that the current current of the sampling module 13 is greater than a preset current value. In this way, it can be judged quickly according to the current whether the car is sparking.
  • the value of the sampled electrical signal is related to the voltage of the sampling module 13, and the controller 15 can determine that the rate of change of the voltage of the sampling module 13 based on the sampled electrical signal is greater than a preset rate of change of the voltage To start a fire.
  • the car battery 600 will discharge to the car engine, so the voltage of the car battery 600 will become lower. , therefore, the power supply component 410 will discharge to the car battery 600, thereby forming a loop.
  • the voltage drop of the car battery 600 is relatively obvious. Therefore, the voltage difference between the power supply component 410 and the car battery 600 will be relatively large at this time. It can be determined based on the sampled electrical signal whether the rate of change of the voltage of the sampling module 13 is greater than the preset rate of change of the voltage.
  • the sampled electrical signal is a voltage signal, and it may be directly determined whether the rate of change of the voltage is greater than a preset rate of change of the voltage.
  • the preset voltage change rate can be adjusted according to the actual circuit design, and different sampling resistors 132 and current limiting resistors 136 can correspond to different preset voltage change rates. In one embodiment, the preset voltage change rate is, for example, 1V/2ms.
  • the controller 15 can determine that the car is being turned on when it is determined based on the sampled electrical signal that the current voltage of the sampling module 13 is greater than a preset voltage value. In this way, it can be judged quickly according to the voltage whether the car is sparking.
  • the controller 15 is configured to control the first switch 14 to be turned on when it is determined that the car is being turned on; and to be turned off when it is determined that the car is not being turned on.
  • the state of the first switch 14 can be quickly and accurately controlled, so that the power port can be accurately controlled to supply power to the vehicle engine.
  • the first switch 14 when the car is turned on, the first switch 14 is turned on, so that the power supply assembly 410 can supply power to the car engine through the first switch 14 to assist the ignition; when the car is not turned on, the first switch 14 is turned off , so as to avoid unnecessary energy consumption caused by the power supply component 410 discharging to the car battery 600 .
  • the circuit structure 10 further includes a signal amplification module 16, the signal amplification module 16 is used to amplify the sampled electrical signal, and the controller 15 is used to control the first switch according to the amplified sampled electrical signal 14 states.
  • the state of the first switch 14 can be accurately controlled according to the amplified sampled electrical signal.
  • the sampling electrical signal on the sampling module 13 may be relatively small, so the signal amplification module 16 can be used to convert the sampling electrical signal Amplification is carried out, so that it can be accurately determined whether the car is to be ignited and the state of the first switch 14 can be accurately controlled according to the amplified sampled electrical signal.
  • the signal amplifying module 16 may be any electronic component capable of amplifying signals, which is not specifically limited here. In one embodiment, the signal amplification module 16 may be an operational amplifier.
  • the controller 15 is used to control the sampling module 13 to be turned on at a preset period, so as to control the state of the first switch 14 according to the sampling electrical signal.
  • the sampling module 13 is turned on at a preset cycle, specifically means that the sampling module 13 is turned on for a period of time, then turned off for a period of time, and continues to circulate until the ignition of the car is detected or the connection between the power supply device 400 and the car battery 600 is disconnected.
  • the energy consumption of the power supply assembly 410 can be reduced while the state of the car battery 600 can be detected more accurately according to the sampling electrical signal.
  • the specific value of the preset period can be set according to requirements, wherein the longer the conduction time is, the more accurate the detection result is, and the shorter the conduction time is, the lower the energy consumption is.
  • the circuit structure 10 includes an electronic switch driving power supply 171 and an electronic switch control circuit 172 , the electronic switch driving power supply 171 is used to provide an operating voltage for the first switch 14 , and the electronic switch control circuit 172 For controlling the state of the first switch 14 based on a signal from the controller 15 .
  • the electronic switch driving power supply 171 can be used to convert the voltage of the power supply assembly 410 or the car battery 600 into an operating voltage for supplying the first switch 14 or other circuit components for operation.
  • the electronic switch driving power supply 171 may be a voltage stabilizing circuit. In this way, the normal operation of the first switch 14 can be facilitated.
  • the first switch 14 may include a high-power electronic switch, and the controller 15 may not be able to directly control the state of the first switch 14. Therefore, the controller 15 may control the first switch 14 through the electronic switch control circuit 172.
  • the state of the electronic switch control circuit 172 can be, for example, a driving circuit, and the driving circuit can be used to control the state of the high-power electronic switch based on the signal of the controller 15 . In this way, the state of the first switch 14 can be accurately controlled by the electronic switch control circuit 172 .
  • the circuit structure 10 includes a controller power supply circuit 173 , and the controller power supply circuit 173 is used to provide the controller 15 with an operating voltage.
  • the controller power supply circuit 173 can be used to convert the voltage of the power supply assembly 410 or the car battery 600 into a working voltage for the controller 15 or other circuit components to work.
  • the controller power supply circuit 173 may be a voltage stabilizing circuit. In this way, the normal operation of the controller 15 can be facilitated.
  • the circuit structure 10 includes a voltage detection circuit 174 for detecting the voltage value of the car battery 600 , and the controller 15 is used for outputting a control signal according to the voltage value of the car battery 600 .
  • the controller 15 can be used to output a control signal according to the voltage value of the car battery 600 to control the car battery 600 to charge the power supply device 400, for example, when the voltage of the car battery 600 is greater than that of the power supply device 400 and the voltage difference between the two is greater than the preset difference, the car battery 600 can charge the power supply component 410 through the step-down circuit in the circuit structure 10 .
  • the car battery 600 can directly charge the power supply component 410 .
  • the circuit structure 10 includes a load reverse connection control circuit 175 , and the load reverse connection control circuit 175 is used to detect whether the power supply device 400 and the car battery 600 are reversely connected.
  • the reverse connection between the power supply device 400 and the car battery 600 can be quickly and accurately detected by the load reverse connection control circuit 175 .
  • the reverse connection between the power supply device 400 and the car battery 600 may mean that the first pole of the car battery 600 is opposite to the first pole of the power supply assembly 410 (one is positive and the other is negative); The second pole of the power supply assembly 410 is also reversed.
  • the load reverse connection control circuit 175 can also be used to detect whether the power supply device 400 is connected to the car battery 600 .
  • the load reverse connection control circuit 175 is also used to control the electronic switch drive power supply 171 to turn off, thereby preventing the power supply component 410 from discharging to the car battery 600 by mistake.
  • the circuit structure 10 includes a prompting element 176 , and the prompting element 176 is used to issue a prompt when the power supply device 400 is connected reversely to the car battery 600 .
  • the prompting element 176 can be a display module 1762, a vibrating element, a horn, etc.
  • the display module 1762 can be used to display the prompt text of "positive and negative polarity reversed", or the vibrating element can be used to vibrate according to a preset rule, and the horn can also be used to broadcast " The positive and negative poles are reversed" prompt sound.
  • Using the prompting element 176 to prompt information can facilitate the user to quickly and accurately grasp the relevant information of the power supply device 400 .
  • the prompting element 176 can also be used to prompt the voltage of the car battery 600 , for example, the prompting element is a display module 1762 , and the display module 1762 can be used to display the voltage of the car battery 600 detected by the voltage detection circuit 174 .
  • the circuit structure 10 further includes a key 177 , and the controller 15 is used to control the working mode of the circuit structure 10 according to the state of the key 177 .
  • the setting of the key 177 enables the circuit structure 10 to realize more functions.
  • the button 177 can be used to forcibly control the power supply device 400 to output energy to assist the ignition of the car.
  • the circuit structure 10 includes a lighting element, and the button 177 can be used to control the lighting element to emit light, so as to provide light for the user.
  • the lighting element is, for example, a light emitting diode or the like.
  • the circuit structure 10 further includes a current sampling module 178, and the current sampling module 178 can be used to detect the loop current.
  • the power supply component 410 includes a plurality of supercapacitors connected in series.
  • the supercapacitor can be a capacitor with a capacitance value greater than a preset capacitance value, and a supercapacitor can be equivalent to a battery.
  • the preset capacitance value is, for example, 1F.
  • the number of supercapacitors in the power supply assembly 11 may be two or more, such as 2, 3, 4, 5, 6, 7, 8, 9, and so on.
  • the rated voltage of each supercapacitor can be a preset rated voltage.
  • the power supply device 400 is used as an example to illustrate the starting power supply for assisting the ignition of the car.
  • the preset rated voltage of each supercapacitor is 3V, and the number of supercapacitors in the power supply assembly 11 is 5 , the voltage required to start the car is 12V, and the five supercapacitors are fully charged (that is, the voltage of each supercapacitor is greater than the set voltage, the set voltage can be the preset rated voltage or slightly lower than the preset rated circuit, For example, in the case of 3.0V, 2.9V, 2.8V, etc.), the voltage of the power supply device 400 is 15V, so that it can assist the ignition of the car.
  • the control method in the embodiment of the present application can be used in the circuit structure 10 of any of the above embodiments.
  • the circuit structure 10 can realize the connection between the power supply device 400 and the car battery 600 , and the power supply device 400 includes a power supply component 410 .
  • the circuit structure 10 includes a first power port 11 , a second power port 12 , a sampling module 13 and a first switch 14 .
  • the first power port 11 can be connected to the first pole of the car battery 600 through the sampling module 13 and the first switch 14 respectively.
  • the second power supply port 12 can be connected to the second pole of the vehicle battery 600 .
  • Control methods include:
  • control method in the embodiment of the present application can be realized by the circuit structure 10 in the embodiment of the present application, specifically, the control method can be realized by the controller 15 .
  • the power port (the first power port 11 and the second power port 12) forms a loop with the car battery 600 through the sampling module 13, and the power port can discharge to the car battery 600 through the sampling module 13.
  • the voltage of the car battery 600 will change, therefore, the electrical signal on the loop will also change.
  • the sampling electrical signal on the sampling module 13 can reflect whether there is this change.
  • the sampling module 13 includes a sampling resistor 132 and a second switch 134, and the state of the first switch 14 is controlled according to the sampling electrical signal on the sampling module 13, including:
  • the second switch 134 is controlled to be turned on so as to control the state of the first switch 14 according to the sampling electrical signal on the sampling resistor 132 .
  • control method includes:
  • the second switch 134 is controlled to be opened.
  • control method includes:
  • control method includes:
  • the value of the sampled electrical signal is related to the current of the sampling module 13, and it is determined whether the car is started according to the sampled electrical signal, including:
  • the value of the sampled electrical signal is related to the voltage of the sampling module 13, and it is determined whether the car is started according to the sampled electrical signal, including:
  • controlling the state of the first switch 14 according to the sampling electrical signal on the sampling module 13 includes:
  • the first switch 14 When it is determined that the car is being turned on, the first switch 14 is controlled to be turned on; when it is determined that the car is not being turned on, the first switch 14 is controlled to be turned off.
  • the circuit structure 10 further includes a signal amplification module 16, the signal amplification module 16 is used to amplify the sampling electrical signal, and control the state of the first switch 14 according to the sampling electrical signal on the sampling module 13, including:
  • the state of the first switch 14 is controlled according to the amplified sampled electrical signal.
  • controlling the state of the first switch 14 according to the sampling electrical signal on the sampling module 13 includes:
  • the sampling module 13 is controlled to be turned on at a preset period, so as to control the state of the first switch 14 according to the sampling electrical signal.
  • the circuit structure 10 includes an electronic switch driving power supply 171 and an electronic switch control circuit 172, and the control method includes:
  • the electronic switch driving power supply 171 is controlled to provide an operating voltage for the first switch 14
  • the electronic switch control circuit 172 is controlled to control the state of the first switch 14 .
  • the circuit structure 10 includes a controller power supply circuit 173, and the control method includes:
  • the control controller power supply circuit 173 provides the controller 15 with operating voltage.
  • the circuit structure 10 includes a voltage detection circuit 174, and the voltage detection circuit 174 is used to detect the voltage value of the car storage battery 600, and the control method includes:
  • a control signal is output according to the voltage value of the car battery 600 .
  • the circuit structure 10 includes a load reverse connection control circuit 175, and the control method includes:
  • Control the load reverse connection control circuit 175 to detect whether the power supply device 400 and the car battery 600 are reversely connected.
  • the prompting element 176 is controlled to issue a prompt.
  • the circuit structure 10 also includes a button 177, and the control method includes:
  • the working mode of the circuit structure 10 is controlled according to the state of the button 177 .
  • circuit structure 10 are also applicable to the control method, and will not be repeated here.
  • a smart device 100 includes a casing 20 and a circuit structure 10 according to any one of the above-mentioned embodiments, and the circuit structure 10 is disposed in the casing 20 .
  • the power port (the first power port 11 and the second power port 12) forms a loop with the car battery 600 through the sampling module 13, and the power port can discharge the car battery 600 through the sampling module 13, because When the car is turned on, the voltage of the car battery 600 will change, therefore, the electrical signal on the loop will also change.
  • the sampling electrical signal on the sampling module 13 can reflect whether there is such a change.
  • the sampled electrical signal can be used to quickly and accurately control the state of the first switch 14 according to the sampled electrical signal, so that the power port can be accurately controlled to supply power to the vehicle engine.
  • the casing 20 can be made of plastic, metal and other materials, and the casing 20 can provide protection for the circuit structure 10, thereby reducing or preventing the circuit structure 10 from being affected by external dust, water vapor and the like.
  • the smart device 100 is a power supply device 400 , that is to say, the circuit structure 10 can be set in the power supply device 400 , and the power supply device 400 can be connected to the car battery 600 through a common battery clip.
  • the smart device 100 is a smart battery clip, that is to say, the circuit structure 10 can be set in the smart battery clip, and the common power supply device 400 can be connected to the car battery 600 through the smart battery clip.
  • the smart device 100 can also be a power supply device 400 and a smart battery clip, and the circuit structure 10 can be split into two parts, part of the circuit structure is located in the power supply device 400, and part of the circuit structure is located in the smart battery clip , not specifically limited here.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the term "connected” may include “directly connected” or "indirectly connected”.
  • the first power port can be connected to the first pole of the car battery through the sampling module, wherein the first power port can be directly connected to the sampling module, and the first power port can also be indirectly connected to the sampling module through a certain circuit module or component.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne une structure de circuit (10) et un procédé de commande de celle-ci, ainsi qu'un dispositif intelligent (100). La structure de circuit (10) permet de réaliser une connexion entre un dispositif source de courant (400) et une batterie de véhicule (600), et le dispositif source de courant (400) comprend un ensemble source de courant (410). La structure de circuit (10) comprend un premier port de source de courant (11), un second port de source de courant (12), un module d'échantillonnage (13), un premier commutateur (14) et un dispositif de commande (15). Le premier port de source de courant (11) peut être connecté à une première électrode de la batterie de véhicule (600) au moyen respectivement du module d'échantillonnage (13) et du premier commutateur (14). Le second port de source de courant (12) peut être connecté à une seconde électrode de la batterie de véhicule (600). Le dispositif de commande (15) est utilisé pour commander l'état du premier commutateur (14) en fonction d'un signal électrique d'échantillonnage sur le module d'échantillonnage (13).
PCT/CN2021/129603 2021-11-09 2021-11-09 Structure de circuit et son procédé de commande, et dispositif intelligent WO2023082054A1 (fr)

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CN107124023A (zh) * 2017-06-16 2017-09-01 奇瑞汽车股份有限公司 电池充电装置及电池充电方法
CN107546790A (zh) * 2016-06-29 2018-01-05 深圳市华思旭科技有限公司 供电组件和方法
CN110011371A (zh) * 2019-03-07 2019-07-12 深圳市电将军科技有限公司 智能电瓶线夹、一体式启动电源装置及启动打火方法
CA3079795A1 (fr) * 2019-03-11 2020-09-11 Shenzhen Carku Technology Co.,Limited Alimentation electrique de demarrage de secours et procede de demarrage de secours
CN113474965A (zh) * 2020-11-19 2021-10-01 深圳市华思旭科技有限公司 智能连接装置、启动电源以及电瓶夹
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080007202A1 (en) * 2006-06-30 2008-01-10 Pryor Bryan K System and method for optimizing grid charging of an electric/hybrid vehicle
CN201472270U (zh) * 2009-07-25 2010-05-19 比亚迪股份有限公司 一种车辆启动系统
JP2012110071A (ja) * 2010-11-15 2012-06-07 Mitsubishi Electric Corp 車両用電源装置
CN105449785A (zh) * 2015-12-31 2016-03-30 深圳市华思旭科技有限公司 一种辅助车辆启动装置及方法
CN107546790A (zh) * 2016-06-29 2018-01-05 深圳市华思旭科技有限公司 供电组件和方法
CN107124023A (zh) * 2017-06-16 2017-09-01 奇瑞汽车股份有限公司 电池充电装置及电池充电方法
CN110011371A (zh) * 2019-03-07 2019-07-12 深圳市电将军科技有限公司 智能电瓶线夹、一体式启动电源装置及启动打火方法
CA3079795A1 (fr) * 2019-03-11 2020-09-11 Shenzhen Carku Technology Co.,Limited Alimentation electrique de demarrage de secours et procede de demarrage de secours
CN113474965A (zh) * 2020-11-19 2021-10-01 深圳市华思旭科技有限公司 智能连接装置、启动电源以及电瓶夹
CN216981587U (zh) * 2021-11-09 2022-07-15 深圳市华思旭科技有限公司 电路结构、智能设备

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