WO2020135617A1 - 电磁电荷感应式电蚊拍 - Google Patents

电磁电荷感应式电蚊拍 Download PDF

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Publication number
WO2020135617A1
WO2020135617A1 PCT/CN2019/128811 CN2019128811W WO2020135617A1 WO 2020135617 A1 WO2020135617 A1 WO 2020135617A1 CN 2019128811 W CN2019128811 W CN 2019128811W WO 2020135617 A1 WO2020135617 A1 WO 2020135617A1
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WIPO (PCT)
Prior art keywords
circuit
chip
transistor
electrode
central control
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Application number
PCT/CN2019/128811
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English (en)
French (fr)
Inventor
廖宝珠
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佛山市顺德区乐雪儿电器有限公司
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Priority to US17/417,782 priority Critical patent/US20220071190A1/en
Publication of WO2020135617A1 publication Critical patent/WO2020135617A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M3/00—Manual implements, other than sprayers or powder distributors, for catching or killing insects, e.g. butterfly nets
    • A01M3/02—Fly-swatters
    • A01M3/025—Fly-swatters using electrocution
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3381—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path

Definitions

  • the invention relates to the technical field of electric mosquito swatters, in particular to an electromagnetic charge induction type electric mosquito swatter.
  • the opening buttons of the existing electric mosquito swatter include ordinary button type and single-key capacitive touch type.
  • the ordinary button type is prone to poor contact and fatigue, and the single-button capacitive touch type is easy to trigger the output high voltage at will. Users of children have great security risks; in addition, the opening button of the electric mosquito swatter is touched by mice or other animals, which has unpredictable risk factors; and, the traditional electric mosquito swatter, whether it is a button or a single button Capacitive touch controls are installed at a certain position on the handle of the electric mosquito swatter. When a mosquito approaches the human body, the user needs to spend time to find the key position, but the chance of flicking the mosquito is fleeting, which greatly affects the user's use effect.
  • the purpose of the present invention is to provide an electromagnetic charge induction type electric mosquito swatter that is easy to use, safe, and has good electric mosquito effect.
  • An electromagnetic charge induction type electric mosquito swatter includes a charging and discharging circuit, a boosting circuit and a central control circuit, the charging and discharging circuit provides the required power for the boosting circuit, and is characterized in that it also includes an electromagnetic charge space scanning circuit, And a gate circuit, the gate circuit is bridged between the electromagnetic charge space scanning circuit and the central control circuit, so that when the electromagnetic charge space scanning circuit senses the grip signal of the human hand holding the electric mosquito swatter, the grip signal is passed through the gate circuit Turned into a start signal and sent to the central control circuit, the central control circuit drives the charging and discharging circuit to provide power to the booster circuit; this electric mosquito swatter, when a human hand holds the electric mosquito swatter, the electromagnetic charge space scanning circuit senses the outside Space electromagnetic field and space charge change signals, using the signal change characteristics to be processed by the electromagnetic charge space scanning circuit, and sensing the different characteristics of the human hand and other objects, judging whether to output or not, outputting the corresponding electrical signal to the electromagnetic charge
  • the electromagnetic charge space scanning circuit includes a chip IC2, a first electrode, a resistor R9, and a capacitor C6, the first electrode is grounded through the capacitor C6, a resistor R9 is connected between the IC2 and the first electrode, and the first height of the chip IC2
  • the level output terminal is connected to the gate circuit. After receiving the high-level holding signal sent from the chip IC2, the gate circuit outputs a low-level start signal to the central control circuit.
  • the electromagnetic charge space scanning circuit further includes a second electrode, a resistor R10 and a capacitor C7, the second electrode is grounded through the capacitor C7, a resistor R10 is connected between the chip IC2 and the second electrode, and the chip IC2 has the second highest The level output terminal is connected to the gate circuit. After receiving the high-level holding signal sent from the chip IC2, the gate circuit outputs a low-level start signal to the central control circuit.
  • a handle is included, and the first electrode and the second electrode are respectively disposed on the front and rear surfaces of the handle at the same horizontal height.
  • the first electrode and the second electrode are used to send electromagnetic waves and detect space charge. Simultaneously holding the corresponding positions of the handles of the first electrode and the second electrode, the chip IC2 judges that the first high-level output terminal and the second high-level output terminal will output high-level holding signals to the gate circuit.
  • the IC2 of the electromagnetic charge space scanning circuit alternately sends pulses of a specific frequency to generate an electromagnetic field and establish a space electric field.
  • the first electrode and the second electrode combine to perform a charge space scanning mode, which effectively avoids mutual interference, misoperation, and low sensitivity. Insufficient, and by detecting the human hand or other objects, such as: is the human hand holding the electric mosquito swatter handle, holding the handle to meet 180 degrees, the chip IC2 judges that it is valid, and can be operated by electric mosquitoes, otherwise it is invalid.
  • the gate circuit includes a transistor Q5, a resistor R17, a transistor Q6 and a resistor R18, the emitter of the transistor Q5 is connected to the collector of the transistor Q6, the emitter of the transistor Q6 is grounded, and the collector of the transistor Q5 is connected to the central control circuit, One end of the resistor R17 and the resistor R18 are respectively connected to the bases of the transistor Q5 and the transistor Q6, the other ends of the resistor R17 and the resistor R18 are respectively connected to the first high-level output terminal and the second high-level output terminal of the chip IC2, and the transistor Q5 and Transistor Q6 is a signal communication AND gate circuit between the central control circuit and chip IC2.
  • chip IC2 When chip IC2 receives a human hand and simultaneously grips the front and rear faces of the handle, chip IC2 outputs a high level to drive transistor Q5 and transistor Q6, respectively.
  • the terminal of the collector of the transistor Q5 connected to the central control circuit is set to a low-level signal, and the central control circuit performs opening of the charging and discharging circuit according to the signal to provide power for the booster circuit.
  • the central control circuit includes a chip IC1, the low-level signal input terminal of the chip IC1 is connected to the collector of the transistor Q5, one end of the chip IC1 is connected to the charging and discharging circuit, and the collector of the transistor Q5 is connected to the center
  • the width of the first electrode and the second electrode is between 8-10 mm and the length is between 30-100 mm.
  • the two electrodes form 180 degrees in the space,
  • Each electrode is connected to the chip IC2 through a resistor R9 and a resistor R10 respectively.
  • the chip IC2 actively outputs pulses of a specific frequency within a certain period of time to generate a corresponding magnetic field in space, and a certain voltage is applied between the two poles to generate a corresponding electric field to carry out uninterrupted electromagnetic charge Spatial scanning to retrieve the differences between people and other objects, reflecting the greatest characteristics of humanized products.
  • a digital tube which is connected to the charging and discharging circuit, so as to display the current charge and discharge power through the digital tube.
  • a voltage stabilizing circuit is also included.
  • the voltage stabilizing circuit is connected between the charging and discharging circuit and the electromagnetic charge space scanning circuit, so as to provide stable power for the chip IC2.
  • the voltage stabilizing circuit includes a voltage stabilizing chip IC3, a capacitor C1 and a capacitor C2.
  • the voltage stabilizing chip IC3 is a three-terminal voltage stabilizing chip model HT7133, and one end of the capacitor C1 and the capacitor C2 are respectively connected to the input of the voltage stabilizing chip IC3 And the output end, the other ends of the capacitor C1 and the capacitor C2 are connected to the grounding terminal of the voltage stabilizing chip IC3, the input end of the voltage stabilizing chip IC3 is also connected to the charging and discharging circuit, and the output end thereof is connected to the power input end of the chip IC2.
  • the voltage circuit provides stable power for the chip IC2.
  • This electric mosquito swatter when the human hand holds the electric mosquito swatter, the electromagnetic charge space scanning circuit senses the external space electromagnetic field and space charge change signal, and uses this signal change characteristic to be processed and sensed by the electromagnetic charge space scanning circuit.
  • Different characteristics of human hand and other objects judge whether to output or not, output corresponding electrical signal to electromagnetic charge space scanning circuit when it is hand, and the electromagnetic charge space scanning circuit outputs driving signal, turn on the power of boost circuit, boost circuit It can output DC high voltage to the surface of the electric mosquito swatter to achieve the purpose of electric mosquitoes, to avoid the mutual interference, misoperation, and low sensitivity of the common capacitive touch mode. Its use is safe, convenient, and significantly improves its electric mosquitoes. effect.
  • the first electrode and the second electrode are respectively arranged on the front and rear surfaces of the handle at the same horizontal height, and the electric mosquito swatter handle is held tightly by a human hand, and the handle is held at 180 degrees, and the chip IC2 judges that it is valid.
  • the electric mosquito operation is performed, otherwise it is invalid, and the detection accuracy of the human hand is higher, and the electric mosquito effect is better.
  • the width of the first electrode and the second electrode is between 8-10 mm and the length is between 30-100 mm.
  • the two electrodes form 180 degrees in the space,
  • Each electrode is connected to the chip IC2 through a resistor R9 and a resistor R10 respectively.
  • the chip IC2 actively outputs pulses of a specific frequency within a certain period of time to generate a corresponding magnetic field in space, and a certain voltage is applied between the two poles to generate a corresponding electric field to carry out uninterrupted electromagnetic charge Spatial scanning to retrieve the differences between people and other objects, reflecting the greatest characteristics of humanized products.
  • FIG. 1 is a circuit schematic diagram of an electromagnetic charge induction type electric mosquito swatter of the present invention.
  • FIG. 2 is a schematic diagram of the first electrode and the second electrode on the handle of the electric mosquito swatter of the present invention.
  • an electromagnetic charge induction type electric mosquito swatter includes a charging and discharging circuit 1, a boosting circuit 3, and a central control circuit 4.
  • the charging and discharging circuit 1 provides the booster circuit 3 with a required power supply. It is characterized in that it also includes an electromagnetic charge space scanning circuit 5 and a gate circuit 6 which is connected between the electromagnetic charge space scanning circuit 5 and the central control circuit 4 so that the electromagnetic charge space scanning circuit 5 senses When a person holds the grip signal of the electric mosquito swatter, the grip signal is converted into a start signal through the gate circuit 6 and transmitted to the central control circuit 4, the central control circuit 4 drives the charging and discharging circuit 1 to provide power to the boost circuit 3 .
  • the electromagnetic charge space scanning circuit 5 includes a chip IC2, a first electrode 7, a resistor R9, and a capacitor C6, the first electrode 7 is grounded through the capacitor C6, and a resistor R9 is connected between the IC2 and the first electrode 7
  • the first high-level output terminal 10 of the chip IC2 is connected to the gate circuit 6. After receiving the high-level holding signal sent from the chip IC2, the gate circuit 6 outputs a low-level start signal to the central control circuit 4.
  • the electromagnetic charge space scanning circuit 5 further includes a second electrode 8, a resistor R10 and a capacitor C7, the second electrode 8 is grounded through the capacitor C7, and a resistor R10 is connected between the chip IC2 and the second electrode 8,
  • the second high-level output terminal 11 of the chip IC2 is connected to the gate circuit 6. After receiving the high-level holding signal sent from the chip IC2, the gate circuit 6 outputs a low-level start signal to the central control circuit 4.
  • a handle 9 is also included.
  • the first electrode 7 and the second electrode 8 are respectively disposed on the front end face 91 and the rear end face 92 of the handle 9 at the same horizontal height.
  • the first electrode 7 and the second electrode 8 8 is used to send electromagnetic waves and space charge detection.
  • a human hand holds the corresponding positions of the handle 9 of the first electrode 7 and the second electrode 8 at the same time.
  • the terminal 11 will output a high-level grip signal to the gate circuit 6.
  • the gate circuit 6 includes a transistor Q5, a resistor R17, a transistor Q6, and a resistor R18, the emitter of the transistor Q5 is connected to the collector of the transistor Q6, the emitter of the transistor Q6 is grounded, and the collector of the transistor Q5 is connected
  • the central control circuit one end of the resistor R17 and the resistor R18 are connected to the bases of the transistor Q5 and the transistor Q6 respectively, and the other ends of the resistor R17 and the resistor R18 are respectively connected to the first high-level output terminal 10 and the second high-level output of the chip IC2 Terminal 11, transistor Q5 and transistor Q6 are the signal communication AND gate circuit between the central control circuit 4 and the chip IC2.
  • the chip IC2 When the chip IC2 receives the human hand while holding the front side 91 and the rear side 92 of the handle 9, the chip IC2 outputs high Level drive transistor Q5 and transistor Q6, make the collector of transistor Q5 connected to the terminal of the central control circuit 4 is set to a low level signal, the central control circuit 4 according to the signal to open the charging and discharging circuit 1, the booster circuit 3 Provide power.
  • the central control circuit 4 includes a chip IC1, the low-level signal input terminal of the chip IC1 is connected to the collector of the transistor Q5, one end of the chip IC1 is connected to the charging and discharging circuit 1, and the collector of the transistor Q5 is connected To the low-level signal input terminal of the chip IC1 of the central control circuit 4, the chip IC1 executes to turn on the charging and discharging circuit 1 according to the signal, and supplies power to the booster circuit 3.
  • the first electrode 7 and the second electrode 8 have a width of 8-10 mm and a length of 30-100 mm.
  • a digital tube 12 and a voltage stabilizing circuit 13 are also included.
  • the digital tube 12 is connected to the charging and discharging circuit 1 to display the current charge and discharge power through the digital tube 12.
  • the voltage stabilizing circuit 13 is connected across the charging Between the discharge circuit 1 and the electromagnetic charge space scanning circuit 5, in order to provide stable power for the chip IC2.
  • the voltage stabilizing circuit 13 includes a voltage stabilizing chip IC3, a capacitor C1 and a capacitor C2.
  • the voltage stabilizing chip IC3 is a three-terminal voltage stabilizing chip model HT7133, and one end of the capacitor C1 and the capacitor C2 are respectively connected to the input of the voltage stabilizing chip IC3 And the output end, the other ends of the capacitor C1 and the capacitor C2 are connected to the ground end of the voltage stabilizing chip IC3, the input end of the voltage stabilizing chip IC3 is also connected to the charging and discharging circuit 1, and the output end thereof is connected to the power input end of the chip IC2,
  • the voltage stabilizing circuit 1 provides stable power for the chip IC2.
  • the charging and discharging circuit 1, the voltage stabilizing circuit 2, the boosting circuit 3 and the charging and discharging circuit 1 provide the required power for the boosting circuit 3, which is characterized in that it also includes an electromagnetic charge space scanning circuit 5
  • the invention mainly includes the following main circuits: the central control circuit 4, the voltage stabilizing circuit 13, the electromagnetic charge space scanning circuit 5 and the boosting circuit 3.
  • Central control circuit 4 It is used for charging and discharging of transistor Q1, transistor Q2, transistor Q5, transistor Q6 and gate circuit 6 signal execution, and power on and off of booster circuit 3.
  • transistor Q1 and transistor Q2 when the battery voltage of the electric mosquito swatter is lower than 4.0V, chip IC1 turns on transistor Q1, the USB charger charges the battery through diode D1 and transistor Q1, and displays the current status through digital tube 12 Charging percentage, turn off the transistor Q1 when charging to 4.2V, stop charging the battery, and realize the overcharge function; during the turn-on period of the transistor Q1 (that is, the charging state), the transistor Q2 is controlled by the pin 7 of the chip IC1, the boost circuit 3 The power supply is turned off, and the electric mosquito cannot be operated in the charging state.
  • the chip IC1 turns on the transistor Q2, connects the power supply of the booster circuit 3, and displays the current discharge power percentage through the digital tube 12, and closes Q2 when the battery discharges to 2.8V, and disconnects the power supply of the booster circuit 3 to realize the over-discharge function.
  • Transistor Q5, transistor Q6 and gate circuit 6 are the signal communication and gate circuit of chip IC1 and chip IC2.
  • chip IC2 receives the electric mosquito-snap handle 9 held by human hand, if the holding range meets 180 Chip IC2 outputs a high level to drive transistor Q5 and transistor Q6 respectively, so that transistor Q5 connected to pin 14 of chip IC1 is set to a low level signal, and chip IC1 executes the signal according to this signal to turn on transistor Q2 to boost circuit 3 powered by.
  • Voltage stabilizing circuit 13 It is realized by the three-terminal voltage stabilizing chip IC3 (HT7133).
  • the stabilized power supply VDD is mainly used by MCU2.
  • MCU2 works under a pure and stable DC power supply to make the space electromagnetic field and space charge generated more Stable and reliable, enhance anti-interference ability.
  • Electromagnetic charge space scanning circuit 5 mainly realized by the chip IC2, by adding the first electrode 7 and the second electrode 8 of a specific width and length, the two electrodes form 180 degrees in the space, and each electrode passes through the resistor R9, Resistor R10 is connected to pins 5 and 6 of chip IC1.
  • Chip IC2 actively outputs pulses of a specific frequency within a certain period of time to generate a corresponding magnetic field in space, and a certain voltage is applied between the two poles to generate a corresponding electric field to carry out uninterrupted electromagnetic charge space. Scanning, using a special program algorithm to retrieve the difference between people and other objects, reflecting the greatest characteristics of humanized products.
  • the electric circuit 3 When the switch K1 is turned on, and the transistor Q2 is turned on, the booster circuit 3 is powered by the battery, in which the high-frequency oscillation circuit composed of the transistors Q7, T, R20, the battery voltage is boosted to 1000V, then through the triple voltage of diodes D2, D3, D4, C8, C9, C10 and then raised to 3000V, with 3000V DC high voltage loaded on the electric mosquito net surface 2, to achieve high-voltage electric mosquitoes.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Power Engineering (AREA)
  • Catching Or Destruction (AREA)

Abstract

一种电磁电荷感应式电蚊拍，包括充放电路（1）、升压电路（3）和中央控制电路（4）。充放电路（1）为升压电路（3）提供所需电源。还包括有电磁电荷空间扫描电路（5），以及门电路（6）。门电路（6）跨接在电磁电荷空间扫描电路（5）与中央控制电路（4）之间，以便电磁电荷空间扫描电路（5）感应到人手握持电蚊拍的握持信号时，通过门电路（6）将握持信号转为启动信号并传送给中央控制电路（4），由中央控制电路（4）驱动充放电路（1），向升压电路（3）提供电源。此款电蚊拍具有使用方便、安全，而且电蚊效果好的优点。

Description

电磁电荷感应式电蚊拍 技术领域
本发明涉及电蚊拍技术领域，尤其是一种电磁电荷感应式电蚊拍。
背景技术
现有电蚊拍的开启键，包括有普通按键式和单键电容触控式，普通按键式容易存在接触不良、使用疲劳等现象，而单键电容触控式容易随意触发输出高压，对有小孩的用户存在极大的安全隐患；另外，电蚊拍的开启键有老鼠或其它动物被触碰到，有不可预测的危险因素；还有，传统电蚊拍，无论是按键式还是单键电容触控式，都装在电蚊拍手柄某个位置上，当有蚊子接近人体时，需要用户花费时间寻找键位，但拍打蚊子时机会稍纵即逝，大大影响了用户使用效果。
发明内容
本发明的目的在于提供一种使用方便、安全，而且电蚊效果好的电磁电荷感应式电蚊拍。
本发明的目的是这样实现的：
一种电磁电荷感应式电蚊拍，包括充放电路、升压电路和中央控制电路，所述充放电路为升压电路提供所需电源，其特征是，还包括有电磁电荷空间扫描电路，以及门电路，所述门电路跨接在电磁电荷空间扫描电路与中央控制电路之间，以便电磁电荷空间扫描电路感应到人手握持电蚊拍的握持信号时，通过门电路将握持信号转为启动信号并传送给中央控制电路，由中央控制电路驱动充放电路，向升压电路提供电源；此款电蚊拍，当人手握持电蚊拍时，电磁电荷空间扫描电路感应到外部空间电磁场和空间电荷变化信号，利用该信号变化特性由电磁电荷空间扫描电路运算处理，并感知人手和其它物件不同的特点，判断输出与否，是人手时输出相应的电信号给电磁电荷空间扫描电路运算处理，且电磁电荷空间扫描电路输出驱动信号，接通升压电路电源，升压电路得电输出直流高压到电蚊拍网面，达到电蚊目的，避免普通电容触控模式会有互相干扰、误动作，以及灵敏度低等不足，其使用安全、且方便，而且明显提高其电蚊效果。
本发明还可以采用以下技术措施解决：
进一步地，所述电磁电荷空间扫描电路包括芯片IC2、第一电极、电阻R9和电容C6，第一电极通过电容C6接地，IC2与第一电极之间连接有电阻R9，芯片IC2的第一高电平输出端连接门电路，门电路接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路。
进一步地，所述电磁电荷空间扫描电路还包括有第二电极、电阻R10和电容C7，第二电极通过电容C7接地，芯片IC2与第二电极之间连接有电阻R10，芯片IC2的第二高电平输出端连接门电路，门电路接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路。
进一步地，还包括有手柄，所述第一电极和第二电极以相同的水平高度分别设置 在手柄的前端面和后端面，第一电极和第二电极用来发送电磁波和空间电荷检测，人手同时握持第一电极和第二电极的手柄对应位置，芯片IC2判决有效，其第一高电平输出端和第二高电平输出端才会输出高电平握持信号给门电路。
本电路通过电磁电荷空间扫描电路的芯片IC2交替发送特定频率的脉冲产生电磁场和建立空间电场，第一电极和第二电极结合进行电荷空间扫描模式，有效避免了互相干扰，误动作、灵敏度低等不足，并通过检测人手还是其它物体，如：是人手紧握电蚊拍手柄，握住手柄满足180度，芯片IC2判断有效，可进行电蚊操作，否则无效。
进一步地，所述门电路包括三极管Q5、电阻R17、三极管Q6和电阻R18，三极管Q5的发射极与三极管Q6的集电极连接，三极管Q6的发射极接地，三极管Q5的集电极连接中央控制电路，电阻R17和电阻R18的一端分别连接三极管Q5和三极管Q6的基极，电阻R17和电阻R18的另一端分别连接芯片IC2的第一高电平输出端和第二高电平输出端，三极管Q5和三极管Q6是中央控制电路与芯片IC2之间的信号通讯与门电路，当芯片IC2接收到人手同时握住手柄前端面和后端面时，芯片IC2分别输出高电平驱动三极管Q5和三极管Q6，使三极管Q5的集电极连接到中央控制电路的端脚置为低电平信号，中央控制电路根据该信号执行打开充放电路，为升压电路提供电源。
进一步地，所述中央控制电路包括芯片IC1，芯片IC1的低电平信号输入端与三极管Q5的集电极连接，所述芯片IC1的一端脚与充放电路连接，三极管Q5的集电极连接到中央控制电路的芯片IC1低电平信号输入端，芯片IC1根据该信号执行打开充放电路，为升压电路提供电源。
进一步地，所述第一电极和第二电极的宽度在8-10mm之间、长度在30-100mm之间，通过加装上述宽度和长度的两个电极，两个电极在空间形成180度，各电极分别通过电阻R9、电阻R10连接到芯片IC2，芯片IC2在一定时段内主动交替输出特定频率脉冲使其空间产生相应的磁场，和两极间施加一定电压产生相应的电场，进行不间断电磁电荷空间扫描，以检索出人与其它物体不同之处，体现人性化产品的最大特点。
进一步地，还包括有数码管，数码管连接充放电路，以便通过数码管显示当前充电和放电的电量。
还包括有稳压电路，所述稳压电路跨接在充放电路与电磁电荷空间扫描电路之间，以便为芯片IC2提供稳定电源。
进一步地，所述稳压电路包括稳压芯片IC3、电容C1和电容C2，稳压芯片IC3是型号为HT7133的三端稳压芯片，电容C1和电容C2的一端分别连接稳压芯片IC3的输入端和输出端，电容C1和电容C2的另一端与稳压芯片IC3的接地端连接在一起，稳压芯片IC3的输入端还连接充放电路，其输出端连接芯片IC2的电源输入端，稳压电路为芯片IC2提供稳定电源。
本发明的有益效果如下：
(1)此款电蚊拍，当人手握持电蚊拍时，电磁电荷空间扫描电路感应到外部空间电磁场和空间电荷变化信号，利用该信号变化特性由电磁电荷空间扫描电路运算处理，并感知人手和其它物件不同的特点，判断输出与否，是人手时输出相应的电信号给电磁电荷空间扫描电路运算处理，且电磁电荷空间扫描电路输出驱动信号，接通升压电路电源，升压电路得电输出直流高压到电蚊拍网面，达到电蚊目的，避免普通电容触控模式会有互相干扰、误动作，以及灵敏度低等不足，其使用安全、且方便，而且明显提高其电蚊效果。
(2)再有，第一电极和第二电极以相同的水平高度分别设置在手柄的前端面和后端面，人手紧握电蚊拍手柄，握住手柄满足180度，芯片IC2判断有效，可进行电蚊操作，否则无效，其检测人手握持的精确度更高，电蚊效果更好。
(3)另，第一电极和第二电极的宽度在8-10mm之间、长度在30-100mm之间，通过加装上述宽度和长度的两个电极，两个电极在空间形成180度，各电极分别通过电阻R9、电阻R10连接到芯片IC2，芯片IC2在一定时段内主动交替输出特定频率脉冲使其空间产生相应的磁场，和两极间施加一定电压产生相应的电场，进行不间断电磁电荷空间扫描，以检索出人与其它物体不同之处，体现人性化产品的最大特点。
附图说明
图1为本发明的电磁电荷感应式电蚊拍的电路原理图。
图2为本发明电蚊拍在拍柄上安置第一电极和第二电极的示意图。
具体实施方式
下面结合附图及实施例对本发明作进一步描述：
见图1-2所示，一种电磁电荷感应式电蚊拍，包括充放电路1、升压电路3和中央控制电路4，所述充放电路1为升压电路3提供所需电源，其特征是，还包括有电磁电荷空间扫描电路5，以及门电路6，所述门电路6跨接在电磁电荷空间扫描电路5与中央控制电路4之间，以便电磁电荷空间扫描电路5感应到人手握持电蚊拍的握持信号时，通过门电路6将握持信号转为启动信号并传送给中央控制电路4，由中央控制电路4驱动充放电路1，向升压电路3提供电源。
作为更具体的方案，所述电磁电荷空间扫描电路5包括芯片IC2、第一电极7、电阻R9和电容C6，第一电极7通过电容C6接地，IC2与第一电极7之间连接有电阻R9，芯片IC2的第一高电平输出端10连接门电路6，门电路6接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路4。
图中所示，所述电磁电荷空间扫描电路5还包括有第二电极8、电阻R10和电容C7，第二电极8通过电容C7接地，芯片IC2与第二电极8之间连接有电阻R10，芯片IC2的第二高电平输出端11连接门电路6，门电路6接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路4。
如图2所示，还包括有手柄9，所述第一电极7和第二电极8以相同的水平高度分别设置在手柄9的前端面91和后端面92，第一电极7和第二电极8用来发送电磁波和空间电荷检测，人手同时握持第一电极7和第二电极8的手柄9对应位置，芯片IC2判决有效，其第一高电平输出端10和第二高电平输出端11才会输出高电平握持信号给门电路6。
作为更具体的方案，所述门电路6包括三极管Q5、电阻R17、三极管Q6和电阻R18，三极管Q5的发射极与三极管Q6的集电极连接，三极管Q6的发射极接地，三极管Q5的集电极连接中央控制电路，电阻R17和电阻R18的一端分别连接三极管Q5和三极管Q6的基极，电阻R17和电阻R18的另一端分别连接芯片IC2的第一高电平输出端10和第二高电平输出端11，三极管Q5和三极管Q6是中央控制电路4与芯片IC2之间的信号通讯与门电路，当芯片IC2接收到人手同时握住手柄9前端面91和后端面92时，芯片IC2分别输出高电平驱动三极管Q5和三极 管Q6，使三极管Q5的集电极连接到中央控制电路4的端脚置为低电平信号，中央控制电路4根据该信号执行打开充放电路1，为升压电路3提供电源。
进一步地，所述中央控制电路4包括芯片IC1，芯片IC1的低电平信号输入端与三极管Q5的集电极连接，所述芯片IC1的一端脚与充放电路1连接，三极管Q5的集电极连接到中央控制电路4的芯片IC1低电平信号输入端，芯片IC1根据该信号执行打开充放电路1，为升压电路3提供电源。
所述第一电极7和第二电极8的宽度在8-10mm之间、长度在30-100mm之间。
作为更具体的方案，还包括有数码管12和稳压电路13，数码管12连接充放电路1，以便通过数码管12显示当前充电和放电的电量，所述稳压电路13跨接在充放电路1与电磁电荷空间扫描电路5之间，以便为芯片IC2提供稳定电源。
其中，所述稳压电路13包括稳压芯片IC3、电容C1和电容C2，稳压芯片IC3是型号为HT7133的三端稳压芯片，电容C1和电容C2的一端分别连接稳压芯片IC3的输入端和输出端，电容C1和电容C2的另一端与稳压芯片IC3的接地端连接在一起，稳压芯片IC3的输入端还连接充放电路1，其输出端连接芯片IC2的电源输入端，稳压电路1为芯片IC2提供稳定电源。
充放电路1、稳压电路2、升压电路3和，所述充放电路1为升压电路3提供所需电源，其特征是，还包括有电磁电荷空间扫描电路5
本发明主要包括以下几部分主要电路：中央控制电路4、稳压电路13、电磁电荷空间扫描电路5和升压电路3四部分。
一、中央控制电路4:用于三极管Q1、三极管Q2作充电与放电，三极管Q5、三极管Q6与门电路6信号执行和升压电路3电源开通与关闭等功能。
三极管Q1、三极管Q2的充电与放电原理：当电蚊拍的电池电压低于4.0V时，芯片IC1开通三极管Q1，USB充电器通过二极管D1、三极管Q1向电池充电，并通过数码管12显示当前充电电量百分比，当充到4.2V时关闭三极管Q1，停止对电池充电，实现过充功能；在三极管Q1开通时段(即充电状态)，三极管Q2由芯片IC1的第7脚控制，升压电路3电源被关闭，实现充电状态不能电蚊操作。
放电时芯片IC1开通三极管Q2，接通升压电路3电源，并通过数码管12显示当前放电电量百分比，当电池放电到2.8V时关闭Q2，断开升压电路3电源电实现过放功能。
二、三极管Q5、三极管Q6与门电路6：三极管Q5、三极管Q6是芯片IC1与芯片IC2信号通讯与门电路，当芯片IC2接收到人手握住电蚊拍手柄9时，如握住范围满足180度，芯片IC2分别输出高电平驱动三极管Q5、三极管Q6，使三极管Q5连接到芯片IC1的第14脚置为低电平信号，芯片IC1跟据这信号执行打开三极管Q2，向升压电路3供电。
三、稳压电路13：由三端稳压芯片IC3(HT7133)来实现，稳压后的电源VDD主要给MCU2使用，MCU2在纯净稳定的直流电源下工作使其产生的空间电磁场和空间电荷更稳定可靠，增强抗干扰能力。
四、电磁电荷空间扫描电路5：主要由芯片IC2来实现，通过加装特定宽度和长度的第一电极7和第二电极8，两个电极在空间形成180度，各电极分别通过电阻R9、电阻R10连接到芯片IC1的5脚、6脚，芯片IC2在一定时段内主动交替输出特定频率脉冲使其空间产生相应的磁场，和两极间施加一定电压产生相应的电场，进行不间断电磁电荷空间扫描，用特殊的程序算法检索出人与其它物体不同之处，体现人性化产品的最大特点。
五、电升电路3：当开关K1接通，三极管Q2开通后，升压电路3由电池供电，其中三极管Q7、T、R20构成的高频振荡电路，电池电压通过高频变器升压到1000V，然后通过二极管D2、D3、D4、C8、C9、C10三倍压后升到3000V，用3000V的直流高压加载到电蚊网面2上，实现高压电蚊。

Claims (10)

  1. 电磁电荷感应式电蚊拍，包括充放电路(1)、升压电路(3)和中央控制电路(4)，所述充放电路(1)为升压电路(3)提供所需电源，其特征是，还包括有电磁电荷空间扫描电路(5)，以及门电路(6)，所述门电路(6)跨接在电磁电荷空间扫描电路(5)与中央控制电路(4)之间，以便电磁电荷空间扫描电路(5)感应到人手握持电蚊拍的握持信号时，通过门电路(6)将握持信号转为启动信号并传送给中央控制电路(4)，由中央控制电路(4)驱动充放电路(1)，向升压电路(3)提供电源。
  2. 根据权利要求1所述电磁电荷感应式电蚊拍，其特征是，所述电磁电荷空间扫描电路(5)包括芯片IC2、第一电极(7)、电阻R9和电容C6，第一电极(7)通过电容C6接地，IC2与第一电极(7)之间连接有电阻R9，芯片IC2的第一高电平输出端(10)连接门电路(6)，门电路(6)接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路(4)。
  3. 根据权利要求2所述电磁电荷感应式电蚊拍，其特征是，所述电磁电荷空间扫描电路(5)还包括有第二电极(8)、电阻R10和电容C7，第二电极(8)通过电容C7接地，芯片IC2与第二电极(8)之间连接有电阻R10，芯片IC2的第二高电平输出端(11)连接门电路(6)，门电路(6)接收到芯片IC2输送过来的高电平握持信号后，会输出低电平的启动信号给中央控制电路(4)。
  4. 根据权利要求3所述电磁电荷感应式电蚊拍，其特征是，还包括有手柄(9)，所述第一电极(7)和第二电极(8)以相同的水平高度分别设置在手柄(9)的前端面(91)和后端面(92)，第一电极(7)和第二电极(8)用来发送电磁波和空间电荷检测，人手同时握持第一电极(7)和第二电极(8)的手柄(9)对应位置，芯片IC2判决有效，其第一高电平输出端(10)和第二高电平输出端(11)才会输出高电平握持信号给门电路(6)。
  5. 根据权利要求4所述电磁电荷感应式电蚊拍，其特征是，所述门电路(6)包括三极管Q5、电阻R17、三极管Q6和电阻R18，三极管Q5的发射极与三极管Q6的集电极连接，三极管Q6的发射极接地，三极管Q5的集电极连接中央控制电路，电阻R17和电阻R18的一端分别连接三极管Q5和三极管Q6的基极，电阻R17和电阻R18的另一端分别连接芯片IC2的第一高电平输出端(10)和第二高电平输出端(11)，三极管Q5和三极管Q6是中央控制电路(4)与芯片IC2之间的信号通讯与门电路，当芯片IC2接收到人手同时握住手柄(9)前端面(91)和后端面(92)时，芯片IC2分别输出高电平驱动三极管Q5和三极管Q6，使三极管Q5的集电极连接到中央控制电路(4)的端脚置为低电平信号，中央控制电路(4)根据该信号执行打开充放电路(1)，为升压电路(3)提供电源。
  6. 根据权利要求5所述电磁电荷感应式电蚊拍，其特征是，所述中央控制电路(4)包括芯片IC1，芯片IC1的低电平信号输入端与三极管Q5的集电极连接，所述芯片IC1的一端脚与充放电路(1)连接，三极管Q5的集电极连接到中央控制电路(4)的芯片IC1低电平信号输入端，芯片IC1根据该信号执行打开充放电路(1)，为升压电路(3)提供电源。
  7. 根据权利要求3-6任一所述电磁电荷感应式电蚊拍，其特征是，所述第一电极(7)和第二电极(8)的宽度在8-10mm之间、长度在30-100mm之间。
  8. 根据权利要求7所述电磁电荷感应式电蚊拍，其特征是，还包括有数码管(12)，数码管(12)连接充放电路(1)，以便通过数码管(12)显示当前充电和放电的电量。
  9. 根据权利要求1所述电磁电荷感应式电蚊拍，其特征是，还包括有稳压电路(13)，所 述稳压电路(13)跨接在充放电路(1)与电磁电荷空间扫描电路(5)之间，以便为芯片IC2提供稳定电源。
  10. 根据权利要求1所述电磁电荷感应式电蚊拍，其特征是，所述稳压电路(13)包括稳压芯片IC3、电容C1和电容C2，稳压芯片IC3是型号为HT7133的三端稳压芯片，电容C1和电容C2的一端分别连接稳压芯片IC3的输入端和输出端，电容C1和电容C2的另一端与稳压芯片IC3的接地端连接在一起，稳压芯片IC3的输入端还连接充放电路1，其输出端连接芯片IC2的电源输入端，稳压电路(1)为芯片IC2提供稳定电源。
PCT/CN2019/128811 2018-12-27 2019-12-26 电磁电荷感应式电蚊拍 WO2020135617A1 (zh)

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