CN210017558U - Resistance induction type electric mosquito swatter - Google Patents
Resistance induction type electric mosquito swatter Download PDFInfo
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- CN210017558U CN210017558U CN201920369614.5U CN201920369614U CN210017558U CN 210017558 U CN210017558 U CN 210017558U CN 201920369614 U CN201920369614 U CN 201920369614U CN 210017558 U CN210017558 U CN 210017558U
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Abstract
The utility model discloses a resistance induction type electric mosquito swatter, which comprises a charge-discharge circuit, a booster circuit and a central control circuit, wherein the charge-discharge circuit provides required power for the booster circuit, and also comprises a resistance induction circuit, which comprises a first induction electrode, a second induction electrode, a triode Q5, a resistor R18, a capacitor C7 and a triode Q6, the first induction electrode and the second induction electrode are arranged on the handle of the electric mosquito swatter, and a space is reserved between the first induction electrode and the second induction electrode, the first induction electrode is connected with the charge-discharge circuit, the second induction electrode is connected with the base of a triode Q5, the emitter of a triode Q5 is connected with the base of a triode Q6, the emitter of a triode Q6 is grounded, the collector of a triode Q5 and the collector of a triode Q6 are connected with the central control circuit through a common connecting end, a resistor R18 is connected between the second induction electrode and the base plate of a triode Q5 in series, the electric mosquito swatter is convenient and safe to use, and has a good electric mosquito effect.
Description
Technical Field
The utility model belongs to the technical field of electric mosquito swatter technique and specifically relates to a resistance induction type electric mosquito swatter.
Background
The existing electric mosquito swatter has the key-opening modes comprising a common key mode and a single-key capacitance touch mode, but the two key modes still have the following defects: (1) the common keys have the phenomena of poor contact, easy fatigue in operation and the like, the single-key capacitive touch control type is easy to randomly trigger and output high voltage, and potential safety hazards exist for children; (2) in addition, if the mouse or other animals are touched, unpredictable adverse factors are extremely existed; (3) the traditional electric mosquito swatter, no matter the button or the single-key capacitive touch, is arranged at a certain position of the handle of the electric mosquito swatter, when a mosquito approaches a human body, the key position is searched for and time is needed, so that the electric mosquito can become a little vanishing in the early days, and the embarrassing situation is not small.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient to use, safety, effectual resistance induction type electric mosquito swatter of electric mosquito moreover.
The purpose of the utility model is realized like this:
a resistance induction type electric mosquito swatter comprises a charge-discharge circuit, a booster circuit and a central control circuit, wherein the charge-discharge circuit provides a required power supply for the booster circuit, and is characterized by further comprising a resistance induction circuit, the resistance induction circuit comprises a first induction electrode, a second induction electrode, a triode Q5, a resistor R18, a capacitor C7 and a triode Q6, the first induction electrode and the second induction electrode are arranged on a handle of the electric mosquito swatter, a distance exists between the first induction electrode and the second induction electrode, the first induction electrode is connected with the charge-discharge circuit, the second induction electrode is connected with a base electrode of a triode Q5, an emitting electrode of a triode Q5 is connected with a base electrode of a triode Q6, an emitting electrode of the triode Q6 is grounded, a collector electrode of the triode Q5 and a collector electrode of a triode Q6 are connected with the central control circuit through a common collector connection end, a resistor R18 is connected between the second induction electrode and a base plate of the triode Q5 in, two ends of the capacitor C7 are connected in parallel with two ends of the resistor R18; when the electric mosquito swatter is held by hands, the electric mosquito swatter must be simultaneously contacted with the first induction electrode and the second induction electrode, the triode Q5 and the triode Q6 detect that a human body resistor exists between the first induction electrode and the second induction electrode, level signals are output to the central control circuit, the central control circuit is connected with the charge-discharge circuit to provide power for the booster circuit, the mosquito killing net on the booster circuit is electrified to work, the use is convenient, and the electric mosquito swatter can not be simultaneously contacted with the first induction electrode and the second induction electrode when being held by children due to small hands, therefore, the booster circuit can not be connected, the mosquito killing net can not work, the potential safety hazard caused by the misoperation of opening the electric mosquito swatter when a child holds the electric mosquito swatter by hands can be avoided, the safety of the racket is greatly improved, and the racket handle is more stable and has better effect of flapping mosquitoes and flies because the two induction electrodes are simultaneously held by hands.
The utility model discloses can also adopt following technical measure to solve:
furthermore, first response electrode and second response electrode with the same level, set up respectively in the corresponding both sides of handle to the user holds the wide range, reaches half area of holding handle at least, just can switch on boost circuit, and its security and the mosquito effect of clapping are better.
Furthermore, the central control circuit comprises a chip IC1, a resistor R7, a resistor R8 and a capacitor C3, one end of the resistor R8 is grounded, the other end of the resistor R8 is connected with a VDD pin of the chip IC1, one end of the resistor R8 is connected with a charge-discharge circuit, the other end of the resistor R8 is connected with one end of a capacitor C3, the other end of the capacitor C3 is grounded, and two ends of the capacitor C3 are respectively connected with the VDD pin and the VCC pin of the chip IC 1; the central control circuit can realize the control of the charge-discharge circuit and the booster circuit, and has simple circuit and easy implementation.
Furthermore, a chip IC1 of the central control circuit is provided with level signal input ends IC1-14 which are connected with a common connection end of a collector of the triode Q5 and a collector of the triode Q6, so that when the triode Q5 and the triode Q6 acquire that a hand holds the first induction electrode and the second induction electrode at the same time, level signal output can be generated, the chip IC1 can send an execution signal to the charge and discharge circuit according to the received level signal and the perception that the level signal is in the range of the resistance of the human body, and the charge and discharge circuit supplies power for the boosting circuit.
Further, the charging and discharging circuit comprises a triode Q2, a resistor R5, a resistor R6, a battery E, a triode Q1, a resistor R3, a resistor R4 and a diode D1, an input end of the diode D1 is connected with a USB charging end, the other end of the diode D1 is connected with an emitter of a triode Q1, a collector of the triode Q1 is connected with an anode of the battery E, one end of the resistor R3 is connected with an emitter of a triode Q1, the other end of the resistor R3 and one end of the resistor R4 are connected to a base of a triode Q1, the other end of the resistor R4 is connected with a pin IC1-15 of a chip IC1, so that the triode Q1 is turned off when the battery E reaches a set value, the charging of the battery E is stopped, the emitter of the triode Q2 is output to the boosting circuit, a collector of the triode Q2 is connected with a cathode of the battery E, the resistors R6 and R5 are connected in series, so that transistor Q2 is controlled by pin IC1-7 of chip IC1 and the boost circuit power is turned off when transistor Q1 is turned on.
Furthermore, the digital tube is connected with the charge-discharge circuit so as to display the current charge and discharge electric quantity through the digital tube.
Furthermore, the included angle between the first sensing electrode and the second sensing electrode is 180 degrees, so that the user can simultaneously contact the two sensing electrodes by holding the handle by 180 degrees by hands, and the angle is humanized.
Furthermore, the width of the first sensing electrode and the second sensing electrode is between 8 mm and 10mm, the length of the first sensing electrode and the second sensing electrode is between 30 mm and 100mm, and the two sensing electrodes with specific width and length are easy to operate by a user, avoid misoperation and have high sensitivity.
The utility model has the advantages as follows:
(1) when the electric mosquito swatter is held by hands, the electric mosquito swatter must be simultaneously contacted with the first induction electrode and the second induction electrode, the triode Q5 and the triode Q6 detect that a human body resistor exists between the first induction electrode and the second induction electrode, level signals are output to the central control circuit, the central control circuit is connected with the charge-discharge circuit to provide power for the booster circuit, the mosquito killing net on the booster circuit is electrified to work, the use is convenient, and the electric mosquito swatter can not be simultaneously contacted with the first induction electrode and the second induction electrode when being held by children due to small hands, therefore, the booster circuit can not be connected, the mosquito killing net can not work, the potential safety hazard caused by the misoperation of opening the electric mosquito swatter when a child holds the electric mosquito swatter by hands can be avoided, the safety of the racket is greatly improved, and the racket handle is more stable and has better effect of flapping mosquitoes and flies because the two induction electrodes are simultaneously held by hands.
(2) Furthermore, the first induction electrode and the second induction electrode are respectively arranged on the front end face and the rear end face of the handle at the same horizontal height, the electric mosquito swatter handle is tightly held by hands, the holding handle is 180 degrees, the chip IC1 is effective in judgment, electric mosquito operation can be carried out, otherwise, the electric mosquito swatter is invalid, the accuracy of holding by the detection hands is higher, and the electric mosquito effect is better.
(3) In addition, the width of the first sensing electrode and the second sensing electrode is 8-10mm, the length of the first sensing electrode and the second sensing electrode is 30-100mm, the two electrodes with the widths and the lengths are additionally arranged, the two electrodes form 180 degrees in space, and for the two sensing electrodes with the specific widths and the specific lengths, the operation of a user is easier, the misoperation is avoided, and the sensitivity is high.
Drawings
Fig. 1 is a schematic circuit diagram of the resistance induction type electric mosquito swatter of the present invention.
Fig. 2 is a schematic view of the electric mosquito swatter using the first and second sensing electrodes of the present invention.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
as shown in figure 1, the resistance induction type electric mosquito swatter comprises a charge-discharge circuit 1, a booster circuit 2 and a central control circuit 3, wherein the charge-discharge circuit 1 provides required power for the booster circuit 2, and is characterized by further comprising a resistance induction circuit 4, the resistance induction circuit 4 comprises a first induction electrode 5, a second induction electrode 6, a triode Q5, a resistor R18, a capacitor C7 and a triode Q6, the first induction electrode 5 and the second induction electrode 6 are arranged on a handle 7 of the electric mosquito swatter, a distance exists between the first induction electrode 5 and the second induction electrode 6, the first induction electrode 5 is connected with the charge-discharge circuit 1, the second induction electrode 6 is connected with a base electrode of the triode Q5, an emitting electrode of the triode Q5 is connected with the base electrode of the triode Q6, an emitting electrode of the triode Q6 is grounded, a collector electrode of the triode Q5 and a collector electrode of the triode Q6 are connected with the central control circuit 3 through a common connection end, the resistor R18 is connected in series between the second inductive electrode 6 and the substrate of the triode Q5, two ends of the capacitor C7 are connected in parallel at two ends of the resistor R18, the handle 7 is held by a hand and simultaneously contacts the first inductive electrode 5 and the second inductive electrode 6, the triode Q5 and the triode Q6 detect that the body resistor is arranged between the first inductive electrode 5 and the second inductive electrode 6, a level signal is output to the central control circuit 3, the central control circuit 3 is connected with the charge-discharge circuit 1, and power is provided for the booster circuit 2.
As shown in fig. 2, the first sensing electrode 5 and the second sensing electrode 6 are respectively disposed at the two corresponding sides of the handle 7 at the same horizontal height. The included angle between the first sensing electrode 5 and the second sensing electrode 6 is 180 degrees. The width of the first induction electrode 5 and the second induction electrode 6 is 8-10mm, the length of the first induction electrode is 30-100mm, the two electrodes with the widths and the lengths are additionally arranged, the two electrodes form 180 degrees in space, and for the two induction electrodes with the specific widths and the specific lengths, the operation of a user is easier, the misoperation is avoided, and the sensitivity is high.
In this embodiment, the central control circuit 3 includes a chip IC1, a resistor R7, a resistor R8 and a capacitor C3, one end of the resistor R8 is grounded, the other end of the resistor R8 is connected to the VDD pin of the chip IC1, one end of the resistor R8 is connected to the charge-discharge circuit 1, the other end of the resistor R3 is connected to one end of the capacitor C3, and the other end of the capacitor C3 is grounded and is connected to the VDD pin and the VCC pin of the chip IC 1.
As shown in the figure, the chip IC1 of the central control circuit 3 is provided with level signal input terminals IC1-14 connected to a common connection terminal of the collector of the transistor Q5 and the collector of the transistor Q6, so that when the transistor Q5 and the transistor Q6 acquire that a hand holds the first inductive electrode 5 and the second inductive electrode 6 at the same time, a level signal output is generated, the chip IC1 senses a human body resistance range according to the received level signal, sends an execution signal to the charge and discharge circuit 1, and the charge and discharge circuit 1 supplies power to the boost circuit 2.
The charging and discharging circuit 1 comprises a transistor Q2, a resistor R5, a resistor R6, a battery E, a transistor Q1, a resistor R3, a resistor R4 and a diode D1, wherein the input end of the diode D1 is connected with a USB charging terminal, the other end of the diode D1 is connected with the emitter of the transistor Q1, the collector of the transistor Q1 is connected with the positive electrode of the battery E, one end of the resistor R1 is connected with the emitter of the transistor Q1, the other end of the resistor R1 is connected with the base of the transistor Q1, the other end of the resistor R1 is connected with a pin IC1-15 of the chip IC1, so that the transistor Q1 is turned off when the battery E reaches a set value, the charging of the battery E is stopped, the emitter of the transistor Q1 is output to the boosting circuit 2, the collector of the transistor Q1 is connected with the negative electrode of the battery E, the resistor R1 and the resistor R1 are connected with the negative electrode of the battery E, the other end of the resistor R1 is connected with the pin IC1, the pin IC1, the booster circuit 2 is powered off.
In this embodiment, the digital tube 8 is further included, and the digital tube 8 is connected to the charge-discharge circuit 1 so as to display the current charge and discharge electric quantity through the digital tube 8.
The circuit is mainly characterized in that resistance change between the first sensing electrode 5 and the second sensing electrode 6 is applied to the handle 7 of the electric mosquito swatter, the resistance change between the first sensing electrode 5 and the second sensing electrode 6 enables an internal circuit to sense a change signal, the signal is processed by an IC1 (MCU) in a computing mode, the characteristics of different hand resistances and other objects are sensed, whether the output is judged, corresponding electric signals are output when the hand resistances are in the range, the MCU outputs a driving instruction to switch on a power supply of the booster circuit 2, the booster circuit 2 outputs direct-current high voltage to the net surface 9 of the electric mosquito swatter after being electrified, and the purpose of the electric mosquito is achieved.
The circuit for realizing the functions mainly comprises an MCU central control circuit, a human body resistance detection circuit and a booster circuit 2.
MCU central control circuit 3: the power supply control circuit is used for charging and discharging the triode Q1 and the triode Q2, and performing signal execution of the triode Q5 and the triode Q6 and gate circuits, and switching on and off the power supply of the booster circuit 2.
Charging a transistor Q1 and a transistor Q2: when the voltage of a battery E of the electric mosquito swatter is lower than 4.0V, the central control circuit 3 turns on the triode Q1, the USB charger charges the battery E through the diode D1 and the triode Q1, the current charging capacity percentage is displayed through the nixie tube 8, and the triode Q1 is turned off when the voltage is 4.2V, the battery E is stopped being charged, and the overcharging function is realized; in the on period (i.e. charging state) of the triode Q1, the triode Q2 is controlled by the terminal pin IC1-7 of the central control circuit 3, the power supply of the booster circuit 2 is turned off, and the charging state is realized so that the electric mosquito cannot operate.
When discharging, the terminal pin IC1-7 of the central control circuit 3 turns on the triode Q2, turns on the power supply of the booster circuit 2, displays the current discharging electric quantity percentage through the nixie tube 8, turns off the triode Q2 when the battery E discharges to 2.8V, and turns off the power supply of the booster circuit 2 to realize the over-discharge function.
The human body resistance detection triode Q5 and the triode Q6 circuit: the triode Q5 and the triode Q6 are triodes which are connected with the first induction electrode 5 and the second induction electrode 6 to detect human body resistance, when a person holds the electric mosquito swatter handle 7, if the holding range meets 180 degrees, the central control circuit 3 passes through a special algorithm according to level signals changed by the triode Q5 and the triode Q6, and senses that the electric mosquito swatter is in the human body resistance range, the central control circuit 3 opens the triode Q2 according to the signals to supply power to the boosting circuit 2.
The power up circuit 2: when the switch K1 is switched on, the triode Q2 is switched on, the booster circuit 2 is powered by the battery E, wherein Q7 and T, R20 form a high-frequency oscillation circuit, the voltage of the battery E is boosted to 1000V through a high-frequency converter, and then is boosted to 3000V through triple voltage of the diode D2, the diode D3, the diode D4, the capacitor C8, the capacitor C9 and the capacitor C10, and is loaded on the electric mosquito net surface 9 through 3000V direct-current high voltage, so that the high-voltage electric mosquito is realized.
① two electrodes are mounted on the handle 7 of the electric mosquito swatter (the first induction electrode 5 and the second induction electrode 6, the width of the first induction electrode 5 and the second induction electrode 6 is 8-10mm, the length is 30-100mm, the electrodes are used for detecting the resistance value range of the human body resistance, the electrodes with specific width and length are set according to the size of the human palm, which is a humanized embodiment method, and there is no chance of missing the electric mosquito by pressing a key, ② the space installation angle of the first induction electrode 5 and the second induction electrode 6 is 180 degrees, which is one of humanized design methods, which is an effective method for avoiding random triggering, the electric mosquito operation is effective only when the electric mosquito swatter handle is tightly held by the human hand for 180 degrees, ③ the phenomena of mutual interference, malfunction, low sensitivity and the like of the common capacitance touch control mode for the electrodes with specific width and length, the circuit detects the resistance range of the human palm through the special algorithm of the central control circuit 3, which effectively avoids the phenomena of mosquito swatter, low sensitivity and the phenomena of other resistance touch electrodes, if the electric mosquito swatter handle is tightly held by the hand, the handle can meet the requirements of MCU for judging that the electric mosquito is effectively held by the hand, otherwise, the MCU 7 can meet the effective hand holding.
Claims (8)
1. The resistance induction type electric mosquito swatter comprises a charge-discharge circuit (1), a booster circuit (2) and a central control circuit (3), wherein the charge-discharge circuit (1) provides required power for the booster circuit (2), and the resistance induction circuit (4) is characterized by further comprising the resistance induction circuit (4), the resistance induction circuit (4) comprises a first induction electrode (5), a second induction electrode (6), a triode Q5, a resistor R18, a capacitor C7 and a triode Q6, the first induction electrode (5) and the second induction electrode (6) are arranged on a handle (7) of the electric mosquito swatter, a space exists between the first induction electrode (5) and the second induction electrode (6), the first induction electrode (5) is connected with the charge-discharge circuit (1), the second induction electrode (6) is connected with a base electrode of the triode Q5, an emitting electrode of the triode Q5 is connected with a base electrode of a triode Q6, and an emitting electrode of the triode Q6 is grounded, the collector of triode Q5 and the collector of triode Q6 are connected with central control circuit (3) for the joint end, resistance R18 is established ties between second induction electrode (6) and triode Q5's base plate, the both ends of electric capacity C7 connect in parallel at resistance R18's both ends, the staff holds handle (7), and contact first induction electrode (5) and second induction electrode (6) simultaneously, there is human body resistance triode Q5 and triode Q6 detect between first induction electrode (5) and second induction electrode (6), output level signal to central control circuit (3), switch on charge-discharge circuit (1) by central control circuit (3), provide the power for boost circuit (2).
2. The resistance induction type electric mosquito swatter according to claim 1, wherein the first induction electrode (5) and the second induction electrode (6) are respectively arranged on the two corresponding sides of the handle (7) at the same horizontal height.
3. The resistance induction type electric mosquito swatter according to claim 1, wherein the central control circuit (3) comprises a chip IC1, a resistor R7, a resistor R8 and a capacitor C3, one end of the resistor R8 is grounded, the other end of the resistor R8 is connected with a VDD pin of the chip IC1, one end of the resistor R8 is connected with the charging and discharging circuit (1), the other end of the resistor R3 is connected with one end of the capacitor C3684, the other end of the capacitor C3 is grounded, and two ends of the capacitor C3 are respectively connected with the VDD pin and the VCC pin of the chip IC 1.
4. A resistance induction type mosquito swatter according to claim 3 wherein the chip IC1 of the central control circuit (3) is provided with a level signal input terminal IC1-14 connected to the common connection terminal of the collector of the transistor Q5 and the collector of the transistor Q6, so that when the transistor Q5 and the transistor Q6 gather that a human hand holds the first sensing electrode (5) and the second sensing electrode (6) at the same time, a level signal output is generated, the chip IC1 senses the human body resistance range according to the received level signal, and sends an execution signal to the charge and discharge circuit (1), and the charge and discharge circuit (1) supplies power to the boosting circuit (2).
5. A resistance induction type electric mosquito swatter according to claim 4 wherein the charging and discharging circuit (1) comprises a transistor Q2, a resistor R5, a resistor R6, a battery E, a transistor Q1, a resistor R3, a resistor R4 and a diode D1, wherein the input end of the diode D1 is connected with the USB charging end, the other end of the diode D1 is connected with the emitter of the transistor Q1, the collector of the transistor Q1 is connected with the positive electrode of the battery E, one end of the resistor R3 is connected with the emitter of the transistor Q1, the other end of the resistor R3 and one end of the resistor R4 are connected with the base of the transistor Q1, the other end of the resistor R4 is connected with the terminal pin IC1-15 of the chip IC1, so that the transistor Q695Q 1 is turned off when the battery E reaches a set value, the battery E is stopped being charged, the emitter of the transistor Q2 is output to the boosting circuit (2), the collector of the transistor Q2 is connected with the negative electrode of the battery, the other end of the resistor R5 and the negative electrode of the battery E are both grounded, so that when the transistor Q1 is switched on, the transistor Q2 is controlled by a pin IC1-7 of the chip IC1, and the power supply of the booster circuit (2) is switched off.
6. A resistance induction type electric mosquito swatter according to claim 5, further comprising a nixie tube (8), wherein the nixie tube (8) is connected with the charging and discharging circuit (1) so as to display the current charging and discharging electric quantity through the nixie tube (8).
7. A resistance induction type electric mosquito swatter as claimed in claim 5 wherein the angle between the first induction electrode (5) and the second induction electrode (6) is 180 degrees.
8. A resistance induction mosquito swatter as claimed in claim 1 wherein the first and second sensing electrodes (5, 6) have a width of between 8-10mm and a length of between 30-100 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369614.5U CN210017558U (en) | 2019-03-22 | 2019-03-22 | Resistance induction type electric mosquito swatter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920369614.5U CN210017558U (en) | 2019-03-22 | 2019-03-22 | Resistance induction type electric mosquito swatter |
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| CN210017558U true CN210017558U (en) | 2020-02-07 |
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| CN201920369614.5U Active CN210017558U (en) | 2019-03-22 | 2019-03-22 | Resistance induction type electric mosquito swatter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476920A (en) * | 2019-08-09 | 2019-11-22 | 关铭佳 | Pressure inductive electric mosquito flap |
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2019
- 2019-03-22 CN CN201920369614.5U patent/CN210017558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476920A (en) * | 2019-08-09 | 2019-11-22 | 关铭佳 | Pressure inductive electric mosquito flap |
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Denomination of utility model: Resistance induction electric mosquito swatter Effective date of registration: 20230518 Granted publication date: 20200207 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: FOSHAN SHUNDE LEXUEER ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2023980041007 |