CN108832700B - Wake-up and dormancy circuit of Hall switch - Google Patents

Wake-up and dormancy circuit of Hall switch Download PDF

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Publication number
CN108832700B
CN108832700B CN201810970496.3A CN201810970496A CN108832700B CN 108832700 B CN108832700 B CN 108832700B CN 201810970496 A CN201810970496 A CN 201810970496A CN 108832700 B CN108832700 B CN 108832700B
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circuit
resistor
diode
hall switch
singlechip
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CN108832700A (en
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白俊武
项佰川
熊杰
尹振坤
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Shenzhen Yuanyuan Intelligent Lighting Co ltd
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Shenzhen Yuanyuan Intelligent Lighting Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a wake-up and sleep circuit of a Hall switch. The power input end of the Hall switch is connected with the power supply, the signal output end of the Hall switch is connected with the signal input end of the singlechip, and the signal output end of the singlechip is connected with the controlled circuit. The Hall switch senses the magnetic piece and outputs a first level signal when the magnetic induction intensity reaches a preset magnetic intensity value and outputs a second level signal when the magnetic induction intensity is lower than the preset magnetic intensity value. And when receiving a second level signal output by the Hall switch, the singlechip controls the controlled circuit to work. The invention can solve the problem of larger power consumption of the existing solar lamp during storage or standby.

Description

Wake-up and dormancy circuit of Hall switch
Technical Field
The invention relates to the technical field of wake-up and sleep circuits of Hall switches, in particular to a wake-up and sleep circuit of a Hall switch.
Background
When the existing solar lamp is in standby, the infrared receiving module or other modules receiving the starting signals are required to be kept to work all the time, so that the solar lamp starts to work or is closed after receiving the specific signals. In this process, since the corresponding receiving module is always in an operating state, the battery of the solar lamp needs to be always supplied with the operating power of the corresponding receiving module, and thus, the power of the battery of the solar lamp is always discharged.
Disclosure of Invention
The invention mainly aims to provide a wake-up and sleep circuit of a Hall switch, which aims to solve the technical problem that the power consumption of the existing solar lamp is high when the solar lamp is stored or is in standby.
In order to achieve the above purpose, the invention provides a wake-up and sleep circuit based on a Hall switch, wherein the wake-up and sleep circuit of the Hall switch comprises a controlled circuit, the Hall switch, a magnetic piece and a singlechip;
the power input end of the Hall switch is connected with a power supply, and the signal output end of the Hall switch is connected with the signal input end of the singlechip; the signal output end of the singlechip is connected with the controlled circuit;
the Hall switch is used for sensing the magnetic piece, outputting a first level signal when the magnetic induction intensity reaches a preset magnetic intensity value, and outputting a second level signal when the magnetic induction intensity is lower than the preset magnetic intensity value;
the singlechip is used for controlling the controlled circuit to sleep when receiving a first level signal output by the Hall switch, and controlling the controlled circuit to work when receiving a second level signal output by the Hall switch.
Preferably, the controlled circuit comprises a sampling circuit and a charging circuit, the charging circuit is provided with an input end, an output end and a controlled end, the input end of the charging circuit is used for being connected with a charging power supply, the output end of the charging circuit is used for being connected with a storage battery, and the controlled end of the charging and discharging circuit is connected with the singlechip; the input end of the sampling circuit is connected with the storage battery, and the output end of the sampling circuit is connected with the singlechip;
the sampling circuit is used for detecting the voltage of the storage battery and outputting the voltage to the singlechip during working;
the singlechip is also used for outputting a first control signal or a second control signal according to the voltage of the storage battery detected by the sampling circuit, and controlling the charging circuit to work or sleep;
the charging circuit is used for conducting a passage between the charging power supply and the storage battery when the first control signal is received; and when the second control signal is received, disconnecting a passage between the charging power supply and the storage battery.
Preferably, the controlled circuit further comprises a discharging circuit, the discharging circuit is provided with an input end, an output end and a controlled end, the input end of the discharging circuit is used for being connected with the storage battery, the output end of the discharging circuit is used for being connected with an electric appliance, and the controlled end of the discharging circuit is connected with the singlechip;
the singlechip is used for outputting a third control signal or a fourth control signal according to the voltage of the storage battery detected by the sampling circuit and controlling the discharge circuit to work or sleep;
the discharging circuit is used for conducting a passage between the storage battery and the electric appliance when receiving the fourth control signal; and when the third control signal is received, disconnecting a passage between the storage battery and the electric appliance.
Preferably, the wake-up and sleep circuit of the hall switch further comprises a pull-up circuit, wherein the input end of the pull-up circuit is respectively connected with the power supply and the power supply input end of the hall switch, and the output end of the pull-up circuit is respectively connected with the signal input end of the singlechip and the signal output end of the hall switch;
the pull-up circuit is used for stabilizing the voltage input into the singlechip when the singlechip works.
Preferably, the pull-up circuit is a first resistor, a first end of the first resistor is connected with the power supply and a power input end of the hall switch respectively, and a second end of the first resistor is connected with a signal input end of the singlechip and a signal output end of the hall switch respectively.
Preferably, the charging circuit includes a first MOS transistor, a second resistor, a third resistor, a fourth resistor, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a first capacitor, and a second capacitor;
the grid electrode of the first MOS tube is respectively connected with the first end of the second resistor and the first end of the third resistor, the source electrode of the first MOS tube is respectively connected with the second end of the second resistor and the anode of the first diode, and the drain electrode of the first MOS tube is respectively connected with the anode of the second diode and the anode of the third diode; the second end of the third resistor is a controlled end of the charging circuit; the anode of the fourth diode is respectively connected with the cathode of the second diode and the cathode of the third diode, the connection nodes of the fourth diode, the second diode and the third diode are the output end of the charging circuit, the cathode of the fourth diode is respectively connected with the cathode of the fifth diode, the first end of the fourth resistor, the first end of the first capacitor and the first end of the second capacitor, and the connection nodes of the first capacitor and the fourth resistor are the input end of the charging circuit; the cathode of the first diode is connected with the second end of the fourth resistor; the second end of the first capacitor, the second end of the second capacitor and the anode of the fifth diode are all grounded.
Preferably, the discharging circuit comprises a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a second MOS tube and a third MOS tube;
the first end of the fifth resistor is a controlled end of the discharge circuit, and the second end of the fifth resistor is respectively connected with the grid electrode of the second MOS tube, the grid electrode of the third MOS tube and the first end of the sixth resistor; the source electrode of the second MOS tube is respectively connected with the source electrode of the third MOS tube, the first end of the seventh resistor, the first end of the eighth resistor, the first end of the ninth resistor and the first end of the tenth resistor, and the drain electrode of the second MOS tube, the drain electrode of the third MOS tube and the second end of the sixth resistor are grounded; the second end of the seventh resistor is respectively connected with the second end of the eighth resistor, the second end of the ninth resistor, the second end of the tenth resistor and the first end of the eleventh resistor, the connection node of the tenth resistor and the eleventh resistor is connected with the output end of the electric appliance, and the second end of the eleventh resistor is respectively connected with the input end of the electric appliance and the storage battery.
In order to achieve the above purpose, the invention also provides a solar cell system, which comprises the wake-up and sleep circuit of the Hall switch.
Preferably, the solar cell system further comprises: the device comprises a storage battery and a charging power supply, wherein a controlled circuit of a wake-up and sleep circuit of the Hall switch is provided with an input end and an output end, the input end of the controlled circuit is connected with the charging power supply, and the output end of the controlled circuit is connected with the storage battery.
In order to achieve the above purpose, the invention also provides a solar lamp, comprising the solar cell system.
The invention provides a wake-up and sleep circuit of a Hall switch, which comprises a controlled circuit, the Hall switch, an external magnetic part and a singlechip. The power input end of the Hall switch is connected with a power supply, the grounding end of the Hall switch is grounded, and the signal output end of the Hall switch is connected with the signal input end of the singlechip. And the signal output end of the singlechip is connected with the controlled circuit. When the magnetic induction intensity of the Hall element input by the external magnetic device reaches a preset magnetic intensity value, the Hall switch outputs a turnover level to the singlechip. And then the singlechip receives the output level of the Hall switch and controls the conduction state of the controlled circuit. And finally, the controlled circuit is conducted or closed according to the control signal of the singlechip. When the controlled circuit is in a closed state, no passage is formed in the wake-up and sleep circuit of the Hall switch, so that no current is required to be output by a power supply, the wake-up and sleep circuit of the Hall switch does not consume any current in sleep, and the technical problem that the power consumption of the existing solar lamp is large in storage or standby is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a wake-up and sleep circuit of a Hall switch according to the present invention;
FIG. 2 is a schematic diagram of a wake-up and sleep circuit of a Hall switch according to the present invention;
FIG. 3 is a schematic diagram of a charging circuit according to the present invention;
fig. 4 is a circuit schematic of the discharging circuit of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a wake-up and sleep circuit of a Hall switch, which aims to solve the technical problem that the power consumption of the existing solar lamp is high when the solar lamp is stored or is in standby.
In one embodiment, as shown in fig. 1 and 2, the wake-up and sleep circuit of the hall switch includes a controlled circuit 105, a hall switch 103, a magnetic element 101, and a single-chip microcomputer 104. The power input end of the Hall switch 103 is connected with a power supply, and the signal output end of the Hall switch 103 is connected with the signal input end of the singlechip 104; the signal output end of the singlechip 104 is connected with a controlled circuit 105.
The hall switch 103 senses the magnetic induction intensity of the magnetic member 101, and outputs a first level signal when the magnetic induction intensity reaches a preset magnetic intensity value, and outputs a second level signal when the magnetic induction intensity is lower than the preset magnetic intensity value. At this time, the preset magnetic intensity value of the magnetic induction intensity is determined according to the type of the hall switch 103, and the hall switch 103 is turned over when the hall switch 103 is lower than or higher than the preset magnetic intensity value. In this embodiment, if the hall switch 103 senses that the magnetic induction intensity of the magnetic element 101 is equal to the preset magnetic intensity value, a first level signal is output, optionally, the first level signal is at a low level at this time, and the singlechip 104 controls the controlled circuit 105 to sleep when receiving the first level signal output by the hall switch 103, and at this time, no power consumption device in the whole system is running, so that the wake-up and sleep circuit of the whole hall switch has no path, and no current loss occurs. If the hall switch 103 senses that the magnetic induction intensity of the magnetic piece 101 is lower than the preset magnetic intensity value, the output second level signal, and the singlechip 104 controls the controlled circuit 105 to work when receiving the second level signal output by the hall switch 103, and the circuit is turned on. Alternatively, the second level signal is low at this time. It is noted that the electrical appliances are subjected to a transportation process from the completion of their manufacture to their installation, because they are tested when shipped from the factory, and each electrical appliance has a battery, either for powering a sleep circuit or for powering the entire electrical appliance, which is charged during the off-site test, and then tested for performance. And finally, leaving the factory and transporting the storage battery to an installation destination, wherein in the transportation process, the circuit where the storage battery is positioned supplies power to the dormant circuit all the time, so that the power of the storage battery is gradually reduced, and finally, the residual power of the storage battery is possibly insufficient to support the work of the dormant circuit, thereby influencing the accuracy and the reliability of subsequent installation. In particular, after the electric quantity of the storage battery is output or when external current acts, irreversible damage can be caused to the storage battery or the whole electric appliance. The technical scheme in this embodiment can make the wake-up and sleep circuit of the hall switch not need to preset a signal receiving circuit, that is, no extra sleep power supply is required to be set to accept external, wake-up and sleep signals during sleep, in addition, the hall switch 103 is set to disconnect the circuit under the action of the magnetic element 101, so that external current or current possibly flowing through an electric appliance cannot pass through an induced magnetic field or an induced electric field, thereby affecting the sleep state and the wake-up state of the wake-up and sleep circuit of the hall switch, better isolating external interference, more reliably realizing zero-power sleep.
Optionally, as shown in fig. 3, the controlled circuit 105 includes a sampling circuit and a charging circuit, the charging circuit has an input end, an output end and a controlled end, the input end of the charging circuit is used for being connected with a charging power supply, the output end of the charging circuit is used for being connected with a storage battery, and the controlled end of the charging circuit is connected with the singlechip 104; the input end of the sampling circuit is connected with the storage battery, and the output end of the sampling circuit is connected with the singlechip 104.
When the sampling circuit works, the voltage of the storage battery is detected and output to the singlechip 104. The singlechip 104 outputs a first control signal or a second control signal according to the voltage of the storage battery detected by the sampling circuit, controls the charging circuit to work or sleep, at this time, compares the collected voltage of the storage battery with the real-time charging power supply voltage, in this embodiment, optionally, the charging power supply is a solar panel, so that the real-time charging power supply voltage is the voltage converted by the solar panel during this time, namely, the light-operated voltage is compared with the voltage of the storage battery, when the light-operated voltage is greater than the voltage of the storage battery, the singlechip 104 outputs the first control signal, and after receiving the first control signal, the charging circuit conducts a path between the charging power supply and the storage battery, namely, the solar panel starts charging the storage battery. When the photo-controlled voltage is lower than the voltage of the storage battery, the singlechip 104 outputs a second control signal, and the charging circuit cuts off a passage between the charging power supply and the storage battery after receiving the second control signal, so that the charging of the storage battery is stopped. In this embodiment, the state of charge of the battery can be controlled by detecting the battery voltage versus the charging source to achieve a self-regulating function without additional control circuitry or manual control. The intelligent charging device is used for comparing the light-operated voltage of the solar panel with the voltage of the storage battery, not only can realize intelligent charging of the storage battery, but also can judge whether the external environment is in daytime (bright) or in dark (dark) according to the voltage, and the light-operated voltage of the solar panel can be higher than the voltage of the storage battery during the daytime to charge the storage battery, so that the intelligent charging of the storage battery is realized, the solar panel is convenient for recycling, and the intelligent charging device has a stronger self-regulating function.
Optionally, as shown in fig. 4, the controlled circuit 105 further includes a discharging circuit, where the discharging circuit has an input end, an output end and a controlled end, the input end of the discharging circuit is used for being connected with the storage battery, the output end of the discharging circuit is used for being connected with the electric appliance, and the controlled end of the discharging circuit is connected with the singlechip 104.
The singlechip 104 outputs a third control signal or a fourth control signal according to the voltage of the storage battery detected by the sampling circuit, and controls the discharge circuit to work or sleep. At this time, the collected voltage of the storage battery is compared with the voltage of the real-time charging power supply, in this embodiment, the charging power supply is a solar panel, so the voltage converted by the solar panel is the voltage converted by the real-time charging power supply, namely, the photo-control voltage is compared with the voltage of the storage battery, when the photo-control voltage is greater than the voltage of the storage battery, the singlechip 104 outputs a third control signal, and the discharging circuit cuts off the path between the storage battery and the electric appliance after receiving the third control signal, namely, the storage battery stops discharging. When the light-operated voltage is lower than the voltage of the storage battery, the singlechip 104 outputs a fourth control signal, and the discharging circuit conducts the passage between the storage battery and the electric appliance after receiving the fourth control signal, namely, the storage battery starts to discharge. In this embodiment, the discharge state of the battery can be controlled by detecting the battery voltage to be compared with the charging power source, so as to realize the self-adjusting function without additional control circuit or manual control. The intelligent charging and discharging device is used for comparing the light-operated voltage of the solar panel with the voltage of the storage battery in a solar system, not only can realize intelligent charging and discharging of the storage battery, but also can judge whether the external environment is in daytime (bright) or in dark (dark) according to the voltage, the light-operated voltage of the solar panel can be higher than the voltage of the storage battery during daytime to charge the storage battery, and the light-operated voltage of the solar panel can be lower than the voltage of the storage battery during evening to discharge the storage battery. Thereby realizing the intelligent charge and discharge of the storage battery and facilitating the recycling of the solar energy system.
Optionally, the wake-up and sleep circuit of the hall switch further comprises a pull-up circuit, wherein the input end of the pull-up circuit is respectively connected with the power supply and the power input end of the hall switch 103, and the output end of the pull-up circuit is respectively connected with the signal input end of the singlechip 104 and the signal output end of the hall switch 103.
When the single-chip microcomputer 104 works, the pull-up circuit stabilizes the voltage input into the single-chip microcomputer 104, namely when the hall switch 103 is turned off, the pull-up circuit provides a high level for the single-chip microcomputer 104, so that the single-chip microcomputer 104 outputs a control signal to control the corresponding controlled circuit 105 to work. The pull-up circuit stabilizes the voltage input to the singlechip 104, so that the voltage to the singlechip 104 is more stable, and the control process is more accurate.
Optionally, the pull-up circuit is a first resistor, a first end of the first resistor is connected with the power supply and a power input end of the hall switch 103 respectively, and a second end of the first resistor is connected with a signal input end of the singlechip 104 and a signal output end of the hall switch 103 respectively.
Optionally, the charging circuit includes a first MOS transistor Q1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a fifth diode D5, a first capacitor C1, and a second capacitor C2. The grid electrode of the first MOS tube Q1 is respectively connected with the first end of the second resistor R2 and the first end of the third resistor R3, the source electrode of the first MOS tube Q1 is respectively connected with the second end of the second resistor R2 and the anode of the first diode D1, and the drain electrode of the first MOS tube Q1 is respectively connected with the anode of the second diode D2 and the anode of the third diode D3; the second end of the third resistor R3 is the controlled end of the charging circuit. The anode of the fourth diode D4 is respectively connected with the cathode of the second diode D2 and the cathode of the third diode D3, the connection node of the fourth diode D4, the second diode D2 and the third diode D3 is the output end of the charging circuit, the cathode of the fourth diode D4 is respectively connected with the cathode of the fifth diode D5, the first end of the fourth resistor R4, the first end of the first capacitor C1 and the first end of the second capacitor C2, and the connection node of the first capacitor C1 and the fourth resistor R4 is the input end of the charging circuit. The cathode of the first diode D1 is connected to the second terminal of the fourth resistor R4. The second end of the first capacitor C1, the second end of the second capacitor C2 and the anode of the fifth diode D5 are all grounded.
When the light-operated voltage of the solar panel is higher than the voltage of the storage battery, a first control signal input by a controlled end of the charging circuit is at a high level, at this time, the control signal flows through the second resistor R2 and the third resistor R3 through the controlled end and flows through the first MOS tube Q1 to enable the first MOS tube Q1 to be conducted, then flows through the second diode D2 and the third diode D3 and conducts the fourth diode D4, at this time, the input end of the charging circuit, namely the charging power supply, is connected with the storage battery, and the alternating current signal is filtered under the action of the first capacitor C1 and the second capacitor C2. Thereby stabilizing the voltage obtained by the battery. When the light-operated voltage of the solar panel is lower than the voltage of the storage battery, a first control signal input by a controlled end of the charging circuit is low level, and the control signal flows through the second resistor R2 and the third resistor R3 through the controlled end, so that the first MOS tube Q1 is disconnected, and the second diode D2, the third diode D3 and the fourth diode D4 are disconnected, and the input end of the charging circuit, namely the charging power supply and the passage of the storage battery are disconnected.
Preferably, the discharging circuit includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a second MOS transistor Q2, and a third MOS transistor Q3.
The first end of the fifth resistor R5 is a controlled end of the discharge circuit, and the second end of the fifth resistor R5 is respectively connected with the grid electrode of the second MOS tube Q2, the grid electrode of the third MOS tube Q3 and the first end of the sixth resistor R6; the source electrode of the second MOS tube Q2 is respectively connected with the source electrode of the third MOS tube Q3, the first end of the seventh resistor R7, the first end of the eighth resistor R8, the first end of the ninth resistor R9 and the first end of the tenth resistor R10, and the drain electrode of the second MOS tube Q2, the drain electrode of the third MOS tube Q3 and the second end of the sixth resistor R6 are grounded; the second end of the seventh resistor R7 is connected to the second end of the eighth resistor R8, the second end of the ninth resistor R9, the second end of the tenth resistor R10 and the first end of the eleventh resistor R11, respectively, the connection node of the tenth resistor R10 and the eleventh resistor R11 is connected to the output end of the electric appliance, and the second end of the eleventh resistor R11 is connected to the input end of the electric appliance and the storage battery, respectively.
When the light-operated voltage of the solar panel is lower than the voltage of the storage battery, a fourth control signal input by a controlled end of the discharging circuit is at a high level, the fourth control signal flows into the second MOS tube Q2 and the third MOS tube Q3 through the fifth resistor R5 respectively, so that the second MOS tube Q2 and the third MOS tube Q3 are conducted, namely the storage battery is in a channel with a sixth diode, a seventh diode, an eighth diode, a ninth diode, a twelfth diode, an eleventh diode, a twelfth diode, a thirteenth diode, a fourteenth diode, a fifth diode D5, a sixteenth diode and a seventeenth diode of the load, and the storage battery supplies power to the load. When the light control voltage of the solar panel is higher than the voltage of the storage battery, a third control signal input by a controlled end of the charging circuit is at a low level, and the third control signal flows into the second MOS tube Q2 and the third MOS tube Q3 through the fifth resistor R5 respectively, so that the second MOS tube Q2 and the third MOS tube Q3 are disconnected, namely a passage is not formed between the storage battery and the load, and the discharging circuit is disconnected. The purpose of controlling and protecting the storage battery is achieved.
The circuit principle of the invention is described below with reference to fig. 1, 2, 3, 4:
when the Hall switch 103 senses that the magnetic induction intensity of the magnetic piece 101 is equal to a preset magnetic intensity value, a first level signal is output, at the moment, the first level signal is low level, the singlechip 104 controls the controlled circuit 105 to sleep when receiving the first level signal output by the Hall switch 103, and no power consumption equipment in the whole system is running at the moment, so that a wake-up and sleep circuit of the whole Hall switch has no any passage, and the condition of current loss does not occur. If the hall switch 103 senses that the magnetic induction intensity of the magnetic piece 101 is lower than the preset magnetic intensity value, the output second level signal is output, and when the singlechip 104 receives the second level signal output by the hall switch 103, the controlled circuit 105 is controlled to work, and at the moment, the circuit is conducted, and the singlechip 104 starts to work.
When the light-operated voltage of the solar panel is higher than the voltage of the storage battery, a first control signal input by a controlled end of the charging circuit is at a high level, at this time, the control signal flows through a second resistor R2 and a third resistor R3 through the controlled end and flows through a first MOS tube Q1 to enable the first MOS tube Q1 to be conducted, then flows through a second diode D2 and a third diode D3 and conducts a fourth diode D4, at this time, an input end of the charging circuit, namely a charging power supply, is connected with the storage battery, and an alternating current signal is filtered under the action of a first capacitor C1 and a second capacitor C2. Thereby stabilizing the voltage obtained by the battery. When the light-operated voltage of the solar panel is lower than the voltage of the storage battery, a first control signal input by a controlled end of the charging circuit is low level, and the control signal flows through the second resistor R2 and the third resistor R3 through the controlled end, so that the first MOS tube Q1 is disconnected, and the second diode D2, the third diode D3 and the fourth diode D4 are disconnected, and the input end of the charging circuit, namely the charging power supply and the passage of the storage battery are disconnected.
When the light-operated voltage of the solar panel is lower than the voltage of the storage battery, a fourth control signal input by a controlled end of the discharging circuit is in a high level, the fourth control signal flows into the second MOS tube Q2 and the third MOS tube Q3 through a fifth resistor R5 respectively, so that the second MOS tube Q2 and the third MOS tube Q3 are conducted, namely the storage battery is in a passage with a sixth diode, a seventh diode, an eighth diode, a ninth diode, a twelfth diode, an eleventh diode, a twelfth diode, a thirteenth diode, a fourteenth diode, a fifth diode D5, a sixteenth diode and a seventeenth diode of the load, and the storage battery supplies power to the load. When the light control voltage of the solar panel is higher than the voltage of the storage battery, a third control signal input by a controlled end of the charging circuit is in a low level, and the third control signal flows into the second MOS tube Q2 and the third MOS tube Q3 through the fifth resistor R5 respectively, so that the second MOS tube Q2 and the third MOS tube Q3 are disconnected, namely, a passage is not formed between the storage battery and a load, and the discharging circuit is disconnected. The purpose of controlling and protecting the storage battery is achieved.
The wake-up and sleep circuit of the Hall switch acts together with the charging circuit and the discharging circuit, so that the conditions of various high-voltage low-voltage and external power supply interference possibly encountered in the transportation and the use of the wake-up and sleep circuit of the Hall switch are comprehensively protected, the charging and discharging states can be flexibly changed according to the intensity of external light, and the Hall switch has higher self-adaption and higher economic value. The problem of solar lamp power consumption when depositing or standby great is solved.
In order to achieve the above purpose, the present invention further provides a solar cell system, which includes the wake-up and sleep circuit of the hall switch.
The solar cell system comprises a wake-up and sleep circuit of a Hall switch. The working principle of the solar cell system can refer to the above embodiments, and will not be described herein. It should be noted that, since the solar cell system of the present embodiment adopts the technical scheme of the wake-up and sleep circuit of the hall switch, the solar cell system has all the beneficial effects of the wake-up and sleep circuit of the hall switch.
Optionally, the solar cell system further comprises: the battery and the charging power supply, the controlled circuit 105 of the wake-up and sleep circuit of the Hall switch is provided with an input end and an output end, the input end of the controlled circuit is connected with the charging power supply, and the output end of the controlled circuit is connected with the battery.
Optionally, the solar cell system further comprises: the controlled circuit 105 of the wake-up and sleep circuit of the Hall switch is provided with an input end and an output end, the input end of the controlled circuit is electrically connected with the power consumption, and the output end of the controlled circuit is connected with the storage battery.
In order to achieve the above purpose, the invention also provides a solar lamp, comprising the solar cell system.
The solar lamp comprises a solar cell system. The working principle of the solar lamp can refer to the above embodiment, and will not be described herein. It should be noted that, since the solar lamp of the embodiment adopts the technical scheme of the solar cell system, the solar lamp has all the beneficial effects of the solar cell system.
The foregoing description of the preferred embodiments of the present invention should not be construed as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (5)

1. The wake-up and sleep circuit based on the Hall switch is characterized by comprising a controlled circuit, the Hall switch, a magnetic piece and a singlechip; the power input end of the Hall switch is connected with a power supply, and the signal output end of the Hall switch is connected with the signal input end of the singlechip; the signal output end of the singlechip is connected with the controlled circuit; the Hall switch is used for sensing the magnetic piece, outputting a first level signal when the magnetic induction intensity reaches a preset magnetic intensity value, and outputting a second level signal when the magnetic induction intensity is lower than the preset magnetic intensity value; the singlechip is used for controlling the controlled circuit to sleep when receiving a first level signal output by the Hall switch and controlling the controlled circuit to work when receiving a second level signal output by the Hall switch;
the controlled circuit comprises a sampling circuit and a charging circuit, the charging circuit is provided with an input end, an output end and a controlled end, the input end of the charging circuit is used for being connected with a charging power supply, the output end of the charging circuit is used for being connected with a storage battery, and the controlled end of the charging circuit is connected with the singlechip; the input end of the sampling circuit is connected with the storage battery, and the output end of the sampling circuit is connected with the singlechip; the sampling circuit is used for detecting the voltage of the storage battery and outputting the voltage to the singlechip during working; the singlechip is also used for outputting a first control signal or a second control signal according to the voltage of the storage battery detected by the sampling circuit, and controlling the charging circuit to work or sleep; the charging circuit is used for conducting a passage between the charging power supply and the storage battery when the first control signal is received; when the second control signal is received, a passage between the charging power supply and the storage battery is disconnected;
the charging circuit comprises a first MOS tube, a second resistor, a third resistor, a fourth resistor, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a first capacitor and a second capacitor; the grid electrode of the first MOS tube is respectively connected with the first end of the second resistor and the first end of the third resistor, the source electrode of the first MOS tube is respectively connected with the second end of the second resistor and the anode of the first diode, and the drain electrode of the first MOS tube is respectively connected with the anode of the second diode and the anode of the third diode; the second end of the third resistor is a controlled end of the charging circuit; the anode of the fourth diode is respectively connected with the cathode of the second diode and the cathode of the third diode, the connection nodes of the fourth diode, the second diode and the third diode are the output end of the charging circuit, the cathode of the fourth diode is respectively connected with the cathode of the fifth diode, the first end of the fourth resistor, the first end of the first capacitor and the first end of the second capacitor, and the connection nodes of the first capacitor and the fourth resistor are the input end of the charging circuit; the cathode of the first diode is connected with the second end of the fourth resistor; the second end of the first capacitor, the second end of the second capacitor and the anode of the fifth diode are all grounded.
2. The wake-up and sleep circuit of the hall switch according to claim 1, wherein the controlled circuit further comprises a discharging circuit, the discharging circuit has an input end, an output end and a controlled end, the input end of the discharging circuit is used for being connected with the storage battery, the output end of the discharging circuit is used for being connected with an electric appliance, and the controlled end of the discharging circuit is connected with the singlechip; the singlechip is used for outputting a third control signal or a fourth control signal according to the voltage of the storage battery detected by the sampling circuit and controlling the discharge circuit to work or sleep; the discharging circuit is used for conducting a passage between the storage battery and the electric appliance when receiving the fourth control signal; and the circuit breaker is also used for breaking the passage between the storage battery and the electric appliance when the third control signal is received.
3. The wake-up and sleep circuit of the hall switch according to claim 2, wherein the wake-up and sleep circuit of the hall switch further comprises a pull-up circuit, an input end of the pull-up circuit is respectively connected with the power supply and a power input end of the hall switch, and an output end of the pull-up circuit is respectively connected with a signal input end of the singlechip and a signal output end of the hall switch; the pull-up circuit is used for stabilizing the voltage input into the singlechip when the singlechip works.
4. The wake-up and sleep circuit of claim 3, wherein the pull-up circuit is a first resistor, a first end of the first resistor is connected with the power supply and a power input end of the hall switch, and a second end of the first resistor is connected with a signal input end of the singlechip and a signal output end of the hall switch, respectively.
5. The wake-up and sleep circuit of any one of claims 2 to 4 wherein the discharge circuit comprises a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a second MOS transistor, and a third MOS transistor; the first end of the fifth resistor is a controlled end of the discharge circuit, and the second end of the fifth resistor is respectively connected with the grid electrode of the second MOS tube, the grid electrode of the third MOS tube and the first end of the sixth resistor; the source electrode of the second MOS tube is respectively connected with the source electrode of the third MOS tube, the first end of the seventh resistor, the first end of the eighth resistor, the first end of the ninth resistor and the first end of the tenth resistor, and the drain electrode of the second MOS tube, the drain electrode of the third MOS tube and the second end of the sixth resistor are grounded; the second end of the seventh resistor is respectively connected with the second end of the eighth resistor, the second end of the ninth resistor, the second end of the tenth resistor and the first end of the eleventh resistor, the connection node of the tenth resistor and the eleventh resistor is connected with the output end of the electric appliance, and the second end of the eleventh resistor is respectively connected with the input end of the electric appliance and the storage battery.
CN201810970496.3A 2018-08-23 2018-08-23 Wake-up and dormancy circuit of Hall switch Active CN108832700B (en)

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CN109709616A (en) * 2018-12-28 2019-05-03 东莞美泰电子有限公司 Bluetooth leather sheath keyboard suspend mode magnet test device and test method

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CN208971164U (en) * 2018-08-23 2019-06-11 深圳源创智能照明有限公司 The wake-up and dormant circuit of Hall switch

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CN201766400U (en) * 2010-01-30 2011-03-16 西北师范大学 High-power intelligent control circuit for switch power charger
CN105322590A (en) * 2014-07-29 2016-02-10 深圳市倍斯特电源有限公司 Mobile power supply possessing desk lamp function
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