CN113391561A - Power supply control method and related electric mosquito swatter device - Google Patents
Power supply control method and related electric mosquito swatter device Download PDFInfo
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- CN113391561A CN113391561A CN202010173110.3A CN202010173110A CN113391561A CN 113391561 A CN113391561 A CN 113391561A CN 202010173110 A CN202010173110 A CN 202010173110A CN 113391561 A CN113391561 A CN 113391561A
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- 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
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- 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
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Abstract
A power supply control method is executed by a control unit of an electric mosquito swatter device when a power supply switch of the electric mosquito swatter device is conducted, and comprises the following steps: (A) receiving a DC input voltage and starting to time a duration of receiving the DC input voltage; (B) generating a control signal according to the direct current input voltage to drive a power grid of the electric mosquito swatter device to output an electric shock; (C) determining whether the duration is less than a first predetermined duration; (D) when the judgment result in the step (C) is negative, discharging the received electricity every other first preset time, and stopping generating the control signal; (E) determining whether the duration is less than a second predetermined duration; and (F) when the judgment result in the step (E) is negative, discharging the received electricity every other second preset time, and stopping generating the control signal.
Description
Technical Field
The present invention relates to a method and an apparatus, and more particularly, to a power management and control method and an electronic mosquito swatter apparatus.
Background
If a power switch of the conventional electric mosquito swatter device is pressed for a long time due to carelessness, an electric net of the electric mosquito swatter device can continuously generate an electric shock output (more than 2kV), so that when the electric net contacts with aluminum foil paper or metal wires, sparks can be generated, and the continuous generation of the electric shock output can further cause overload damage to a circuit of the electric mosquito swatter device or damage to an internal power supply (such as a storage battery) due to over-discharge.
Therefore, the safety protection mechanism proposed by the manufacturer of the electric mosquito swatter device is to additionally connect a toggle switch in series with the electric mosquito swatter device. When the user wants to use the electric mosquito swatter device, the user needs to turn on the toggle switch and then press the power switch. However, when the user forgets to turn off the toggle switch, the toggle switch loses its safety protection function. Therefore, there is still room for improvement in the safety protection mechanism of the existing electric mosquito swatter device.
Disclosure of Invention
The invention aims to provide a power supply control method with a safety protection effect for an electric mosquito swatter device.
The power supply control method is executed by a control unit of the electric mosquito swatter device when a power switch of the electric mosquito swatter device is conducted, and the power supply control method comprises the following steps:
(A) receiving a DC input voltage and starting to time a duration of receiving the DC input voltage;
(B) generating a control signal according to the direct current input voltage so as to drive a power grid of the electric mosquito swatter device to output electric shock;
(C) determining whether the duration is less than a first predetermined duration;
(D) when the judgment result in the step (C) is negative, discharging the electricity received by the self-body every other first preset time, and stopping generating the control signal;
(E) determining whether the duration is less than a second predetermined duration; and
(F) and (E) when the judgment result in the step (E) is negative, discharging the electricity received by the controller per se every second preset time, and continuously stopping generating the control signal.
And (C) when the judgment result in the step (C) is yes, repeatedly executing the step (B) and the step (C).
And (E) when the judgment result in the step (E) is yes, repeatedly executing the step (D) and the step (E).
In the power management and control method of the present invention, the first predetermined duration is less than the second predetermined duration, and the first predetermined time is less than the second predetermined time.
The power supply control method of the invention further comprises the following steps:
(G) detecting whether a voltage value of the electricity received by the power supply device drops to a preset voltage value;
(H) discharging the electricity received by the battery to enter a power-off state; and
(I) detecting whether the voltage value of the electricity received by the power source device is reduced to the preset voltage value;
executing step (G) after executing step (D), executing step (H) when the judgment result in step (G) is yes, executing step (E) when the judgment result in step (G) is no, executing step (I) after executing step (F), executing step (H) when the judgment result in step (I) is yes, and repeatedly executing step (F) and step (I) when the judgment result in step (I) is no.
Another object of the present invention is to provide an electric mosquito swatter device with safety protection without additional series connection of toggle switches. The electric mosquito swatter device comprises an electric network, a power switch, a voltage stabilizing capacitor, a control unit, a high voltage generating unit and a discharging unit.
The power switch is used for receiving and outputting a direct current input voltage.
The voltage stabilizing capacitor is electrically connected between the power switch and the ground, receives the direct current input voltage from the power switch and outputs a stabilized voltage according to the direct current input voltage.
The control unit is electrically connected with the power switch to receive the direct current input voltage and execute the power management and control method.
The high voltage generating unit is electrically connected with the power switch to receive the direct current input voltage, is electrically connected with the control unit to receive the control signal, generates a high voltage signal according to the direct current input voltage and the control signal, and outputs the high voltage signal to the power grid to drive the power grid to output electric shock.
The discharge unit is electrically connected between the control unit and the ground, and the control unit discharges the electricity received by the control unit through the discharge unit.
The electric mosquito swatter device of the invention is characterized in that the discharge unit comprises a resistor and a light emitting diode which are connected in series between the control unit and the ground.
In the electric mosquito swatter device, the resistor is electrically connected with the control unit, and the light-emitting diode is electrically connected with the ground.
In the electric mosquito swatter device, the resistor is electrically connected to the ground, and the light emitting diode is electrically connected with the control unit.
The invention has the beneficial effects that: the control unit is used for executing the power supply control method, so that the power grid can stop outputting electric shock when the power switch is conducted for more than the first preset duration time, further, the phenomenon that the power grid contacts aluminum foil paper or metal wires to generate sparks is avoided, and the phenomenon that the circuit of the electric mosquito swatter device is overloaded and damaged due to the fact that the power grid continuously outputs the electric shock is avoided.
Drawings
Other features and effects of the present invention will be clearly apparent from the embodiments with reference to the drawings:
FIG. 1 is a circuit block diagram illustrating one embodiment of an electric mosquito swatter apparatus of the present invention;
FIG. 2 is a flowchart illustrating the electric mosquito swatter apparatus executing a first embodiment of the power management method of the present invention; and
fig. 3 is a flowchart illustrating the electric mosquito swatter apparatus executing a second embodiment of the power management method.
Detailed Description
Referring to fig. 1 and 2, a first embodiment of the power management method of the present invention is executed by an electronic mosquito swatter device. The electric mosquito swatter device comprises a power supply 1 for providing a direct current input voltage, a power supply switch 2, a control unit 3, a high voltage generating unit 4, a discharging unit 5, a voltage stabilizing capacitor 6 and an electric network 7.
The power switch 2 has a first terminal electrically connected to the power source 1 for receiving the dc input voltage, a second terminal, and a control terminal that is turned on or off by an input operation associated with a user. In this embodiment, the power switch 2 is a push switch, but is not limited thereto.
The control unit 3 has first to fourth pins VDD, O1, GND, O2. The first pin VDD of the control unit 3 is electrically connected to the second terminal of the power switch 2. The third pin GND of the control unit 3 is electrically connected to ground. The control unit 3 receives the dc input voltage from the power supply 1 via the first pin VDD and the power switch 2, and generates and outputs a control signal at its own second pin O1 according to the dc input voltage.
The high voltage generating unit 4 is electrically connected to the second end of the power switch 2 for receiving the dc input voltage when the power switch 2 is turned on, electrically connected to the second pin O1 of the control unit 3 for receiving the control signal, and further electrically connected to the power grid 7. The high voltage generating unit 4 generates a high voltage signal according to the dc input voltage and the control signal, and outputs the high voltage signal to the power grid 7, so that the power grid 7 outputs an electric shock according to the high voltage signal.
The discharging unit 5 is electrically connected between the fourth pin O2 of the control unit 3 and ground for discharging electricity from the fourth pin O2 of the control unit 3. In this embodiment, the discharge unit 5 includes a resistor 51 and a light emitting diode 52. The resistor 51 and the led 52 are connected in series between the fourth pin O2 of the control unit 3 and ground. The resistor 51 is electrically connected to the fourth pin O2, and the led 52 is electrically connected to ground, but not limited thereto, it can also be adjusted that the resistor 51 is electrically connected to ground, and the led 52 is electrically connected to the fourth pin O2.
The voltage stabilizing capacitor 6 is electrically connected between the second end of the power switch 2 and ground, and is charged according to the dc input voltage to output a stabilized voltage.
It should be noted that, since the control unit 3 is easily affected by the large current load change of the high voltage generating unit 4, the voltage stabilizing capacitor 6 is required to be provided in the electronic mosquito swatter device. However, when the user presses the power switch 2 (i.e. the power switch 2 is turned on), if the power grid 7 outputs an electric shock for only 3 seconds, the control unit 3 enters a sleep state in which the control signal is stopped from being output, and then the user stops pressing the power switch 2, at this time, due to the continuous power supply of the voltage stabilizing capacitor 6, the control unit 3 with low power consumption continues to be in the sleep state for tens of seconds. During the sleep state, when the user presses the power switch 2 again, the control unit 3 will not output the control signal because the control unit is still in the sleep state, so that the power grid 7 will not output an electric shock, and the voltage stabilizing capacitor 6 will be charged according to the dc input voltage, causing the control unit 3 to extend its sleep state for tens of seconds because the voltage stabilizing capacitor 6 continues to supply power. Therefore, a power management method is needed to improve the sleep problem of the control unit 3 when the user presses/releases the power switch 2, and the power consumption problem of the power supply 1 caused by the power switch 2 being pressed by a foreign object for a long time.
In detail, when the power switch 2 is turned on, the control unit 3 of the electronic mosquito swatter device executes a power management and control method including the following steps 81-86, so that the electronic mosquito swatter device has a safety protection mechanism to solve the above mentioned problems.
In step 81, the control unit 3 receives the dc input voltage from the power supply 1 via the first pin VDD, and starts to count a duration t (i.e., a duration of time that a user presses the power switch 2) during which the dc input voltage is received.
In step 82, the control unit 3 enters a shock state. In the shock state, the control unit 3 generates the control signal according to the dc input voltage and outputs the control signal to the high voltage generating unit 4 via the second pin O1, so that the high voltage generating unit 4 generates the high voltage signal to drive the power grid 7 to output a shock.
In step 83, the control unit 3 determines whether the duration T is less than a first predetermined duration T1 (i.e., determines whether T < T1). If yes, the flow returns to step 82; if not, the flow proceeds to step 84. In this embodiment, the first predetermined duration T1 is, for example, 3 seconds, but is not limited thereto.
In step 84, the control unit 3 enters a first protection state. In the first protection state, the control unit 3 discharges the power received by the first pin VDD (when the power switch 2 is turned on, the power received by the first pin VDD is from the dc input voltage, and when the power switch 2 is turned off, the power received by the first pin VDD is from the regulated voltage of the regulated voltage capacitor 6) via the fourth pin O2 and the discharging unit 5 every other first predetermined time, and at the same time, the control unit 3 stops generating the control signal, so that the high voltage generating unit 4 stops generating the high voltage output, and the power grid 7 stops outputting electric shock.
In this embodiment, the first predetermined time is, for example, 0.1 second, and the control unit 3 discharges the discharge unit 5 for 0.1 second every 0.1 second, but is not limited thereto. When the first predetermined time is 0 second, the control unit 3 makes the discharge unit 5 continuously discharge. In addition, when the power switch 2 is turned off, the control unit 3 discharges the power received by the first pin VDD from the voltage regulator 6, so that the control unit 3 enters a power-off state to stop operating, and thus, when the user presses the power switch 2 again next time, the control unit 3 can be enabled quickly and generate the control signal (i.e., the control unit 3 is not stuck in the above-mentioned sleep state), so that the power grid 7 can output electric shock quickly.
In step 85, the control unit 3 determines whether the duration T is less than a second predetermined duration T2 (i.e., determines whether T < T2). If yes, the flow returns to step 84; if no, it indicates that the power switch 2 should be pressed by a foreign object and continuously turned on (due to normal use, the duration of the power switch 2 pressed by the user is not longer than the second predetermined duration T2), the flow proceeds to step 86. In this embodiment, the second predetermined duration T2 is, for example, 30 seconds, but is not limited thereto.
In step 86, the control unit 3 enters a second protection state from the first protection state. In the second protection state, the control unit 3 discharges the power received by the first pin VDD through the fourth pin O2 and the discharging unit 5 every second predetermined time, and continuously stops generating the control signal, so that the power grid 7 continuously stops outputting electric shock.
In this embodiment, the resistor 51 has a resistance of about 100 Ω, so that the discharge reaction speed is fast. The second predetermined time is, for example, 3 seconds, and the control unit 3 discharges the discharge unit 5 for 0.1 second every 3 seconds, but is not limited thereto. That is, when the power switch 2 is pressed by a foreign object and is continuously turned on, the control unit 3 stops the power grid 7 from outputting the electric shock, and outputs the electricity received by the first pin VDD to the discharge unit 5 via the fourth pin O2 for one discharge every 3 seconds. Thus, compared to the prior art (i.e. when the power switch is continuously turned on, the electric mosquito swatter device continuously generates the electric shock output through the power grid), the control unit 3 can save power for the power supply 1, and even if the power switch 2 is continuously pressed by mistake for tens of days, the power supply 1 will not be damaged by over-discharge.
< second embodiment >
Referring to fig. 1 and 3, when the power switch 2 is turned on, the control unit 3 of the electronic mosquito swatter device can also execute another power management and control method including the following steps 91-99. In this embodiment, a light emitting diode and a resistor with a resistance value of 1K Ω, which are conventionally used as power indication of the electronic mosquito swatter device, are used as the discharge unit 5, so that the electronic mosquito swatter device discharges by using the discharge unit 5 without additional components, and thus the cost thereof does not need to be increased, and the power consumption of the second embodiment is about 1/10 times that of the first embodiment.
In step 91, the control unit 3 receives the dc input voltage from the power supply 1 and starts to count the duration t during which it receives the dc input voltage.
In step 92, the control unit 3 enters the shock state. In the shock state, the control unit 3 generates and outputs the control signal to the high voltage generating unit 4, so that the high voltage generating unit 4 generates the high voltage signal to drive the power grid 7 to output a shock.
In step 93, the control unit 3 determines whether the duration T is less than the first predetermined duration T1 (i.e., determines whether T < T1). If yes, the flow returns to step 92; if not, the flow proceeds to step 94.
In step 94, the control unit 3 enters the first protection state. In the first protection state, the control unit 3 discharges the power received by the first pin VDD thereof via the fourth pin O2 and the discharge unit 5 every the first predetermined time, and at the same time, the control unit 3 stops generating the control signal, so that the power grid 7 stops outputting electric shock. It should be noted that the steps 91 to 94 are the same as the steps 81 to 84 (see fig. 2) in the first embodiment.
In step 95, the control unit 3 uses an analog-to-digital converter (not shown) to detect whether a voltage value of the power received by the first pin VDD (which is related to the dc input voltage and/or the regulated voltage of the regulator capacitor 6) drops to a predetermined voltage value, so as to quickly know whether the power switch 2 is switched to be non-conductive. If it is determined that the power switch 2 is switched from on to off, the process proceeds to step 96; if no, the flow proceeds to step 97. In the present embodiment, the predetermined voltage value is 90% of the dc input voltage, but is not limited thereto.
In step 96, the control unit 3 outputs the voltage-stabilizing capacitor 6 via the second pin O1 and the high voltage generating unit 4 (compared with the discharging unit 5, the high voltage generating unit 4 belongs to a discharging unit with lower impedance) to perform fast discharging, so that the control unit 3 enters the power-off state.
For example, in this embodiment, the control unit 3 makes a transistor (not shown) in the high voltage generating unit 4 continuously conduct for an upper limit of 5ms, or makes the power grid 7 briefly generate an electric shock output for 100ms (at this time, the electric mosquito swatter device consumes more than 200 mA), so as to achieve the above-mentioned rapid discharge. In detail, the impedance of the discharge loop formed by the high voltage generating unit 4 is less than 1 Ω, the capacitance of the voltage stabilizing capacitor 6 is calculated as 1000uF, and the discharge time required for the control unit 3 to discharge the electricity of the voltage stabilizing capacitor 6 through the high voltage generating unit 4 is less than 1 ms. However, when the capacitance of the voltage regulator capacitor 6 is 1000uF, in order to prolong the lifetime of the control unit 3 and the led 52 and save power, the resistance of the resistor 51 is 1K Ω, so the discharge unit 5 has a higher impedance, so the discharge time required for the control unit 3 to discharge the voltage regulator capacitor 6 through the discharge unit 5 is 1sec, that is, the control unit 3 discharges the voltage regulator capacitor 6 through the high voltage generating unit 4 instead of the discharge unit 5, which can achieve a fast discharge to the power-off state.
In step 97, the control unit 3 determines whether the duration T is less than the second predetermined duration T2 (i.e., determines whether T < T2). If yes, the flow returns to step 94; if it is determined not to be the case, the power switch 2 is pressed by a foreign object and continuously turned on, the flow proceeds to step 98.
In step 98, the control unit 3 enters the second protection state from the first protection state. In the second protection state, the control unit 3 discharges the power received by the first pin VDD through the fourth pin O2 and the discharge unit 5 every second predetermined time, and continuously stops generating the control signal, so that the power grid 7 continuously stops outputting electric shock. It should be noted that steps 97 and 98 are the same as steps 85 and 86 (see fig. 2) in the first embodiment, respectively.
In step 99, the control unit 3 uses the adc to detect whether the voltage value of the power received by the first pin VDD drops to the predetermined voltage value (i.e. 90% of the dc input voltage) to quickly determine whether the power switch 2 is turned off. If it is determined that the power switch 2 is switched from on to off, the process proceeds to step 96; if no, the flow proceeds to step 98.
It should be noted that, in other embodiments, step 94 may also be executed between step 95 and step 97, and in step 97, when the determination is yes, the flow returns to step 95. In addition, the execution order of the steps 98 and 99 can be interchanged, that is, when the determination of the step 97 is no, the process will enter the step 99 first, and when the determination of the step 99 is no, the process will enter the step 98, and when the step 98 is executed, the process will return to the step 99.
In summary, when the power switch 2 is continuously turned on for more than the first predetermined duration or the second predetermined duration, the control unit 3 is utilized to execute the power management and control method of the present invention to stop the power grid 7 from outputting electric shock, so as to prevent the power grid 7 from contacting with aluminum foil paper or metal wires to generate sparks, and to prevent the power grid 7 from continuously outputting electric shock to cause circuit overload damage of the electric mosquito swatter device. In addition, compared to the prior art, the control unit 3 discharges the power received by the first pin VDD through the discharging unit 5 once every 3 seconds, so that the power supply 1 can save power, and even if the power switch 2 is continuously pressed for tens of days by mistake, the power supply 1 is not damaged by over-discharge. Furthermore, when the power switch 2 is turned off, the control unit 3 discharges the power received by the first pin VDD from the voltage stabilizing capacitor 6 and enters the power-off state, so that when the user presses the power switch 2 again next time, the control unit 3 can be enabled quickly to drive the power grid 7 to respond quickly and output an electric shock.
It should be understood that the above description is only exemplary of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (9)
1. A power supply control method is executed by a control unit of an electric mosquito swatter device when a power switch of the electric mosquito swatter device is conducted, and is characterized by comprising the following steps:
(A) receiving a DC input voltage and starting to time a duration of receiving the DC input voltage;
(B) generating a control signal according to the direct current input voltage so as to drive a power grid of the electric mosquito swatter device to output electric shock;
(C) determining whether the duration is less than a first predetermined duration;
(D) when the judgment result in the step (C) is negative, discharging the electricity received by the self-body every other first preset time, and stopping generating the control signal;
(E) determining whether the duration is less than a second predetermined duration; and
(F) and (E) when the judgment result in the step (E) is negative, discharging the electricity received by the controller per se every second preset time, and continuously stopping generating the control signal.
2. The power management and control method according to claim 1, wherein: and (C) when the judgment result in the step (C) is yes, repeatedly executing the step (B) and the step (C).
3. The power management and control method according to claim 1, wherein: and (E) when the judgment result in the step (E) is yes, repeatedly executing the step (D) and the step (E).
4. The power management and control method according to claim 1, wherein: the first predetermined duration is less than the second predetermined duration, and the first predetermined time is less than the second predetermined time.
5. The power management and control method according to claim 1, further comprising:
(G) detecting whether a voltage value of the electricity received by the power supply device drops to a preset voltage value;
(H) discharging the electricity received by the battery to enter a power-off state; and
(I) detecting whether the voltage value of the electricity received by the power source device is reduced to the preset voltage value;
executing step (G) after executing step (D), executing step (H) when the judgment result in step (G) is yes, executing step (E) when the judgment result in step (G) is no, executing step (I) after executing step (F), executing step (H) when the judgment result in step (I) is yes, and repeatedly executing step (F) and step (I) when the judgment result in step (I) is no.
6. An electric mosquito swatter device, comprising:
a power grid;
the power switch is used for receiving and outputting a direct current input voltage;
the voltage stabilizing capacitor is electrically connected between the power switch and the ground, receives the direct current input voltage from the power switch and outputs a stabilized voltage according to the direct current input voltage;
a control unit electrically connected to the power switch to receive the dc input voltage and perform the power management method of any one of claims 1 to 5;
the high-voltage generating unit is electrically connected with the power switch to receive the direct-current input voltage, is electrically connected with the control unit to receive the control signal, generates a high-voltage signal according to the direct-current input voltage and the control signal, and outputs the high-voltage signal to the power grid so as to drive the power grid to output electric shock; and
and the discharge unit is electrically connected between the control unit and the ground, and the control unit discharges the electricity received by the control unit through the discharge unit.
7. An electric mosquito swatter apparatus, as claimed in claim 6, wherein: the discharge unit includes
And the resistor and the light emitting diode are connected between the control unit and the ground in series.
8. An electric mosquito swatter apparatus, as claimed in claim 7, wherein: the resistor is electrically connected with the control unit, and the light emitting diode is electrically connected with the ground.
9. An electric mosquito swatter apparatus, as claimed in claim 7, wherein: the resistor is electrically connected to the ground, and the light emitting diode is electrically connected with the control unit.
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| CN202010173110.3A CN113391561A (en) | 2020-03-13 | 2020-03-13 | Power supply control method and related electric mosquito swatter device |
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| CN202010173110.3A CN113391561A (en) | 2020-03-13 | 2020-03-13 | Power supply control method and related electric mosquito swatter device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129327A (en) * | 1986-11-19 | 1988-06-01 | West Electric Co Ltd | Strobe lighting device for photography |
| CN2243179Y (en) * | 1996-04-18 | 1996-12-25 | 林翠雯 | Electric mosquito wapper controlling circuit with safety discharging circuit |
| US20080278882A1 (en) * | 2007-05-10 | 2008-11-13 | Saliga Thomas V | Electric Disabling Device with Controlled Immobilizing Pulse Widths |
| CN104345269A (en) * | 2013-08-02 | 2015-02-11 | 株式会社捷太格特 | Power circuit abnormality detection method |
| CN104808758A (en) * | 2014-01-26 | 2015-07-29 | 明泰科技股份有限公司 | Electronic device capable of being automatically reset and automatic resetting method thereof |
| CN110299694A (en) * | 2018-03-23 | 2019-10-01 | 东莞劲华电子有限公司 | The overpower protection method and device of power supply unit |
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2020
- 2020-03-13 CN CN202010173110.3A patent/CN113391561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63129327A (en) * | 1986-11-19 | 1988-06-01 | West Electric Co Ltd | Strobe lighting device for photography |
| CN2243179Y (en) * | 1996-04-18 | 1996-12-25 | 林翠雯 | Electric mosquito wapper controlling circuit with safety discharging circuit |
| US20080278882A1 (en) * | 2007-05-10 | 2008-11-13 | Saliga Thomas V | Electric Disabling Device with Controlled Immobilizing Pulse Widths |
| CN104345269A (en) * | 2013-08-02 | 2015-02-11 | 株式会社捷太格特 | Power circuit abnormality detection method |
| CN104808758A (en) * | 2014-01-26 | 2015-07-29 | 明泰科技股份有限公司 | Electronic device capable of being automatically reset and automatic resetting method thereof |
| CN110299694A (en) * | 2018-03-23 | 2019-10-01 | 东莞劲华电子有限公司 | The overpower protection method and device of power supply unit |
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Application publication date: 20210914 |