CN111181548A - Counting and sampling circuit for mosquito killing equipment - Google Patents
Counting and sampling circuit for mosquito killing equipment Download PDFInfo
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- CN111181548A CN111181548A CN202010048347.9A CN202010048347A CN111181548A CN 111181548 A CN111181548 A CN 111181548A CN 202010048347 A CN202010048347 A CN 202010048347A CN 111181548 A CN111181548 A CN 111181548A
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- H03—ELECTRONIC CIRCUITRY
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- H03K21/00—Details of pulse counters or frequency dividers
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- H—ELECTRICITY
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Abstract
The invention belongs to the technical field of mosquito killing equipment, and particularly relates to a counting and sampling circuit for mosquito killing equipment. Two paths of comparison circuits with differentiation on voltage fluctuation are arranged in the counting and sampling circuit, so that the power supply side voltage fluctuation condition of the high-voltage package caused by discharge can be determined. A counting and sampling circuit for mosquito killing equipment comprises: sampling a resistor; the first comparison circuit and the second comparison circuit are connected in parallel, and different voltage fluctuation characteristics are formed between the first comparison circuit and the second comparison circuit; the head ends of the first comparison circuit and the second comparison circuit are arranged at the position between the high-voltage packet voltage output end and the sampling resistor, and the tail ends of the first comparison circuit and the second comparison circuit are connected with the grounding end; a comparison amplifier; the positive input end of the comparison amplifier is connected with the first comparison circuit, and the negative input end of the comparison amplifier is connected with the second comparison circuit.
Description
Technical Field
The invention belongs to the technical field of mosquito killing equipment, and particularly relates to a counting and sampling circuit for mosquito killing equipment.
Background
In the technical field of mosquito killing control, the mosquito killing equipment can induce pests to a high-voltage power grid by using a light source or a chemical inducer, and complete the pest killing work by using the instantaneous high-voltage discharge of a high-voltage bag. Compared with the traditional medicament toxicity killing type, the optical trapping or chemical inducer trapping has smaller toxicity to the environment and more reliable killing effect. However, the inventor further researches and discovers that the existing mosquito killing equipment can only kill the mosquitoes and can not determine the number statistics of killing, so that the inventor can not help technicians to further master pest disasters.
Disclosure of Invention
The invention provides a counting and sampling circuit for mosquito killing equipment, wherein two paths of comparison circuits with differentiation on voltage fluctuation are arranged in the counting and sampling circuit, so that the voltage fluctuation condition of a power supply side, which is generated by discharge of a high-voltage bag, can be determined, and finally help is provided for counting the mosquito killing quantity and assisting technicians to master pest disasters.
In order to solve the technical problems, the invention adopts the following technical scheme:
mosquito eradication is count sampling circuit for equipment, including:
a first comparison circuit and a second comparison circuit; the first comparison circuit and the second comparison circuit are connected in parallel, and different voltage fluctuation characteristics are formed between the first comparison circuit and the second comparison circuit; the head ends of the first comparison circuit and the second comparison circuit are arranged on the voltage output side of the high-voltage package, and the tail ends of the first comparison circuit and the second comparison circuit are connected with the grounding end.
Further, the method also comprises the following steps: a sampling resistor and a comparison amplifier;
the sampling resistor is arranged between the voltage output side of the high-voltage pack and a grounding end; the positive input end of the comparison amplifier is connected with the first comparison circuit, and the negative input end of the comparison amplifier is connected with the second comparison circuit.
Preferably, the first comparison circuit and the second comparison circuit are both formed by a diode and a resistor; the first comparison circuit is formed by a diode D01 and a resistor R01 which are connected in series, the positive end of the diode D01 is arranged between the high-voltage packet voltage output end and the sampling resistor, the negative end of the diode D01 is connected with the voltage input end of the resistor R01, and the voltage output end of the resistor R01 is connected with the ground end; the second comparison circuit is formed by a resistor R02 and a diode D02 which are connected in series, the voltage input end of the resistor R02 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R02 is connected with the positive end of the diode D02, and the negative end of the diode D02 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the negative terminal of the diode D01 and the voltage input terminal of the resistor R01, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R02 and the positive terminal of the diode D02.
Preferably, the first comparison circuit and the second comparison circuit are both formed by an inductor and a capacitor; the first comparison circuit is formed by a capacitor C11 and an inductor T11 which are mutually connected in series, the voltage input end of a capacitor C11 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of a capacitor C11 is connected with the voltage input end of an inductor T11, and the voltage output end of an inductor T11 is connected with the ground end; the second comparison circuit is formed by an inductor T12 and a capacitor C12 which are mutually connected in series, the voltage input end of the inductor T12 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the inductor T12 is connected with the voltage input end of the capacitor C12, and the voltage output end of the capacitor C12 in the second comparison circuit is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C11 and the voltage input terminal of the inductor T11, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the inductor T12 and the voltage input terminal of the capacitor C12.
Preferably, the first comparison circuit and the second comparison circuit are both formed by a capacitor and a resistor; the first comparison circuit is formed by a capacitor C21 and a resistor R21 which are mutually connected in series, a voltage output end of a capacitor C21 is arranged between a high-voltage packet voltage output end and the sampling resistor, a voltage output end of a capacitor C21 is connected with a voltage input end of a resistor R21, and a voltage output end of a resistor R21 is connected with a ground end; the second comparison circuit is formed by a resistor R22 capacitor and a resistor C22 which are mutually connected in series, the voltage input end of the resistor R22 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R22 is connected with the voltage input end of the capacitor C22, and the voltage output end of the capacitor C22 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C21 and the voltage input terminal of the resistor R21, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R22 and the voltage input terminal of the capacitor C22.
Preferably, the first comparison circuit and the second comparison circuit are both formed by a capacitor and two resistors; the first comparison circuit is composed of a resistor R301, a resistor R302 and a capacitor C31, wherein the resistor R301, the resistor R302 and the capacitor C31 are arranged in series, the voltage input end of the resistor R301 is arranged between the high-voltage package voltage output end and the sampling resistor, the voltage output end of the resistor R301 is connected with the voltage input end of the resistor R302, and the voltage output end of the resistor R302 is connected with the ground end; the second comparison circuit is composed of a resistor R311, a resistor R312 and a capacitor C32, wherein the resistor R311, the resistor R312 and the capacitor C32 are arranged in series, the voltage input end of the resistor R311 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R311 is connected with the voltage input end of the resistor R312, and the voltage output end of the resistor R312 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R301 and the voltage input terminal of the resistor R302, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R311 and the voltage input terminal of the resistor R312.
The invention provides a counting and sampling circuit for mosquito killing equipment, which comprises a sampling resistor, a first comparison circuit, a second comparison circuit, a comparison amplifier and other structural units. The counting sampling circuit for the mosquito killing equipment with the structural characteristics is used for determining a voltage fluctuation condition of a power supply side generated by discharging of the high-voltage package through a voltage fluctuation differential sampling result of the double-path comparison circuit, and finally providing technical support of current signals for technicians to determine the mosquito killing condition.
Drawings
Fig. 1 is a schematic circuit diagram of a counting and sampling circuit for a mosquito killing device according to the present invention;
FIG. 2 is a second schematic circuit diagram of a counting and sampling circuit for a mosquito killing device according to the present invention;
fig. 3 is a third schematic circuit diagram of a counting and sampling circuit for a mosquito killing device according to the present invention;
fig. 4 is a fourth schematic circuit diagram of the counting and sampling circuit for the mosquito killing device of the present invention;
reference numerals: RV: sampling a resistor; a1: and a comparison amplifier.
Detailed Description
The invention provides a counting and sampling circuit for mosquito killing equipment, wherein two paths of comparison circuits with differentiation on voltage fluctuation are arranged in the counting and sampling circuit, so that the voltage fluctuation condition of a power supply side, which is generated by discharge of a high-voltage bag, can be determined, and finally help is provided for counting the mosquito killing quantity and assisting technicians to master pest disasters.
The invention relates to a counting and sampling circuit for mosquito killing equipment, which comprises: a first comparison circuit and a second comparison circuit; the first comparison circuit and the second comparison circuit are connected in parallel, and different voltage fluctuation characteristics are formed between the first comparison circuit and the second comparison circuit; the head ends of the first comparison circuit and the second comparison circuit are arranged on the voltage output side of the high-voltage package, and the tail ends of the first comparison circuit and the second comparison circuit are connected with the grounding end. Further, it is preferred, still include in the mosquito eradication equipment with count sampling circuit: a sampling resistor and a comparison amplifier; the sampling resistor is arranged between the voltage output side of the high-voltage pack and a grounding end; the positive input end of the comparison amplifier is connected with the first comparison circuit, the negative input end of the comparison amplifier is connected with the second comparison circuit, the output end of the comparison amplifier is used for outputting a counting signal, the counting signal can reflect voltage fluctuation generated by high-voltage package discharge (caused by mosquito killing), and finally help is provided for mosquito killing counting.
Example one
As shown in fig. 1, specifically, the first comparing circuit and the second comparing circuit are both formed by using a diode and a resistor (preferably, the diode and the resistor used by the first comparing circuit are the same as those used by the second comparing circuit). The first comparison circuit and the second comparison circuit are both formed by a diode and a resistor; the first comparison circuit is formed by a diode D01 and a resistor R01 which are connected in series, the positive end of the diode D01 is arranged between the high-voltage packet voltage output end and the sampling resistor, the negative end of the diode D01 is connected with the voltage input end of the resistor R01, and the voltage output end of the resistor R01 is connected with the ground end; the second comparison circuit is formed by a resistor R02 and a diode D02 which are connected in series, the voltage input end of the resistor R02 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R02 is connected with the positive end of the diode D02, and the negative end of the diode D02 is connected with the ground end; the positive input terminal of the comparison amplifier is disposed at a position between the negative terminal of the diode D01 and the voltage input terminal of the resistor R01, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R02 and the positive terminal of the diode D02.
It should be noted that the diode has a unidirectional conduction characteristic, i.e., the diode is turned on when the diode is loaded with a forward voltage, and the diode is turned off when the diode is loaded with a reverse voltage. Therefore, for the comparison amplifier, the negative input terminal of the comparison amplifier is arranged at a position between the voltage output terminal of the resistor R02 and the positive terminal of the diode D02, that is, since the negative input terminal of the comparison amplifier is arranged at the front end of the positive terminal of the diode D02, the negative input terminal of the comparison amplifier is not affected by the reverse loading voltage cut-off of the diode D02; the positive input terminal of the comparison amplifier is disposed between the negative terminal of the diode D01 and the voltage input terminal of the resistor R01, that is, the positive input terminal of the comparison amplifier is disposed at the rear end of the diode D01, so that the positive input terminal of the comparison amplifier can only receive the influence of the voltage fluctuation caused by the positive voltage jump, and the influence of the voltage fluctuation caused by the negative voltage jump is blocked by the diode D01. Therefore, the comparison amplifier performs the both-end cancellation operation (the positive input end value of the comparison amplifier is cancelled by the negative input end value of the comparison amplifier), and when the output result is not 0, it indicates that the voltage fluctuation of the power supply side due to the discharge of the high-voltage bag occurs, that is, the mosquito killing device performs the mosquito killing discharge operation once.
Example two
As shown in fig. 2, specifically, the first comparing circuit and the second comparing circuit are both formed by using an inductor and a capacitor (preferably, the inductor and the capacitor used by the first comparing circuit are the same as those used by the second comparing circuit); the first comparison circuit and the second comparison circuit are both formed by an inductor and a capacitor; the first comparison circuit is formed by a capacitor C11 and an inductor T11 which are mutually connected in series, the voltage input end of a capacitor C11 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of a capacitor C11 is connected with the voltage input end of an inductor T11, and the voltage output end of an inductor T11 is connected with the ground end; the second comparison circuit is formed by an inductor T12 and a capacitor C12 which are mutually connected in series, the voltage input end of the inductor T12 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the inductor T12 is connected with the voltage input end of the capacitor C12, and the voltage output end of the capacitor C12 in the second comparison circuit is connected with the ground end; the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C11 and the voltage input terminal of the inductor T11, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the inductor T12 and the voltage input terminal of the capacitor C12.
It is noted that, unlike the first embodiment, the first and second comparison circuits in the second embodiment adopt a configuration of an inductor and a capacitor. And in the voltage fluctuation process, the capacitor has the effects of isolating direct current and low frequency. Thus, for the comparison amplifier, the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C11 and the voltage input terminal of the inductor T11, that is, the positive input terminal of the comparison amplifier is located at the rear end of the voltage output terminal of the capacitor C11; the negative input terminal of the comparison amplifier is arranged between the voltage output terminal of the inductor T12 and the voltage input terminal of the capacitor C12, that is, the negative input terminal of the comparison amplifier is located at the front end of the voltage input terminal of the capacitor C12, so that the voltage fluctuation on the receiving power supply side is not affected. The positive input terminal of the comparison amplifier receives the signal that is buffered by the capacitor C11 (i.e., the received signal is delayed), while the negative input terminal of the comparison amplifier is not affected by the capacitor (i.e., there is no received signal delay). Therefore, through the operation of the comparison amplifier (the positive input end of the comparison amplifier is cancelled with the negative input end of the comparison amplifier), when the output result is not 0 (namely, the positive input end of the comparison amplifier has delay), the voltage fluctuation of the power supply side caused by the discharge of the high-voltage bag occurs, namely, the mosquito killing device performs a mosquito killing discharge action.
EXAMPLE III
As shown in fig. 3, the first comparing circuit and the second comparing circuit are both formed by using a capacitor and a resistor (preferably, the capacitor and the resistor used by the first comparing circuit are the same as those used by the second comparing circuit); the first comparison circuit and the second comparison circuit are both formed by a capacitor and a resistor; the first comparison circuit is formed by a capacitor C21 and a resistor R21 which are mutually connected in series, a voltage output end of a capacitor C21 is arranged between a high-voltage packet voltage output end and the sampling resistor, a voltage output end of a capacitor C21 is connected with a voltage input end of a resistor R21, and a voltage output end of a resistor R21 is connected with a ground end; the second comparison circuit is formed by a resistor R22 capacitor and a resistor C22 which are mutually connected in series, the voltage input end of the resistor R22 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R22 is connected with the voltage input end of the capacitor C22, and the voltage output end of the capacitor C22 is connected with the ground end; the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C21 and the voltage input terminal of the resistor R21, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R22 and the voltage input terminal of the capacitor C22.
It should be noted that in the third embodiment, the first comparing circuit and the second comparing circuit are formed by a capacitor and a resistor. And in the voltage fluctuation process, the capacitor has the effects of isolating direct current and low frequency. Therefore, for the comparison amplifier, the negative input terminal of the comparison amplifier is arranged at a position between the voltage output terminal of the resistor R22 and the voltage input terminal of the capacitor C22, that is, the negative input terminal of the comparison amplifier is arranged at the front end of the voltage input terminal of the capacitor C22, so that the voltage fluctuation of the receiving power supply side thereof is not affected; the positive input terminal of the comparison amplifier is disposed between the voltage output terminal of the capacitor C21 and the voltage input terminal of the resistor R21, that is, the received signal at the positive input terminal of the comparison amplifier is buffered by the capacitor C21 (i.e., the received signal is delayed). Therefore, through the operation of the comparison amplifier (the positive input end of the comparison amplifier is cancelled with the negative input end of the comparison amplifier), when the output result is not 0 (namely, there is a delay of the received signal at the negative input end of the comparison amplifier, but there is no delay at the positive input end of the comparison amplifier), it indicates that a voltage fluctuation at the power supply side caused by the discharge of the high-voltage bag occurs, namely, the mosquito killing device performs a mosquito killing discharge operation.
Example four
The first comparison circuit and the second comparison circuit are both formed by a capacitor and two resistors; the first comparison circuit and the second comparison circuit are both formed by a capacitor and two resistors; the first comparison circuit is composed of a resistor R301, a resistor R302 and a capacitor C31, wherein the resistor R301, the resistor R302 and the capacitor C31 are arranged in series, the voltage input end of the resistor R301 is arranged between the high-voltage package voltage output end and the sampling resistor, the voltage output end of the resistor R301 is connected with the voltage input end of the resistor R302, and the voltage output end of the resistor R302 is connected with the ground end; the second comparison circuit is composed of a resistor R311, a resistor R312 and a capacitor C32, wherein the resistor R311, the resistor R312 and the capacitor C32 are arranged in series, the voltage input end of the resistor R311 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R311 is connected with the voltage input end of the resistor R312, and the voltage output end of the resistor R312 is connected with the ground end; the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R301 and the voltage input terminal of the resistor R302, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R311 and the voltage input terminal of the resistor R312.
It is noted that, unlike the previous embodiments, in the fourth embodiment, the first comparing circuit and the second comparing circuit adopt a configuration of one capacitor and two resistors. In the process of voltage fluctuation, the (parallel) capacitor is arranged to prevent the voltage of the resistor connected in parallel from fluctuating. For the comparison amplifier, the negative input terminal of the comparison amplifier is arranged at a position between the voltage output terminal of the resistor R311 and the voltage input terminal of the resistor R312, that is, the negative input terminal of the comparison amplifier is arranged at the front end of the voltage input terminal of the resistor R312, which is limited by the capacitor C32 in voltage fluctuation, and receives the voltage fluctuation process of the power supply side without being affected; in contrast, the positive input terminal of the comparison amplifier is disposed between the voltage output terminal of the resistor R301 and the voltage input terminal of the resistor R302, that is, the positive input terminal of the comparison amplifier is disposed at the rear end of the voltage output terminal of the resistor R301 whose voltage fluctuation is limited by the capacitor C31, and the reception signal at the negative input terminal of the comparison amplifier is limited by the capacitor C31 to generate a reception signal delay. Therefore, through the operation of the comparison amplifier (the positive input end of the comparison amplifier is cancelled with the negative input end of the comparison amplifier), when the output result is not 0 (namely, the positive input end of the comparison amplifier has delay), the voltage fluctuation of the power supply side caused by the discharge of the high-voltage bag occurs, namely, the mosquito killing device performs a mosquito killing discharge action.
Finally, the point to be supplemented is that the two paths of comparison circuits selected by the invention are reflected in the dynamic sampling result of the comparison amplifier through the differentiated response characteristics of the comparison circuits to the voltage (current) fluctuation, so as to realize the counting detection of the voltage fluctuation (the voltage fluctuation is caused by the discharge of the high-voltage package), and finally realize the counting of the mosquito killing equipment by means of the counting detection, and subsequently continue to perform a series of data processing such as standard digital pulse counting output and the like.
The invention provides a counting and sampling circuit for mosquito killing equipment, which comprises a sampling resistor, a first comparison circuit, a second comparison circuit, a comparison amplifier and other structural units. The counting sampling circuit for the mosquito killing equipment with the structural characteristics is used for determining a voltage fluctuation condition of a power supply side generated by discharging of the high-voltage package through a voltage fluctuation differential sampling result of the double-path comparison circuit, and finally providing technical support of current signals for technicians to determine the mosquito killing condition.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. Mosquito eradication is count sampling circuit for equipment, its characterized in that, including:
a first comparison circuit and a second comparison circuit; the first comparison circuit and the second comparison circuit are connected in parallel, and different voltage fluctuation characteristics are formed between the first comparison circuit and the second comparison circuit; the head ends of the first comparison circuit and the second comparison circuit are arranged on the voltage output side of the high-voltage package, and the tail ends of the first comparison circuit and the second comparison circuit are connected with the grounding end.
2. The counting and sampling circuit for mosquito and insect eradication equipment according to claim 1, further comprising: a sampling resistor and a comparison amplifier;
the sampling resistor is arranged between the voltage output side of the high-voltage pack and a grounding end; the positive input end of the comparison amplifier is connected with the first comparison circuit, and the negative input end of the comparison amplifier is connected with the second comparison circuit.
3. The counting and sampling circuit for the mosquito eradication device according to claim 2, wherein the first comparison circuit and the second comparison circuit are each formed by a diode and a resistor; the first comparison circuit is formed by a diode D01 and a resistor R01 which are connected in series, the positive end of the diode D01 is arranged between the high-voltage packet voltage output end and the sampling resistor, the negative end of the diode D01 is connected with the voltage input end of the resistor R01, and the voltage output end of the resistor R01 is connected with the ground end; the second comparison circuit is formed by a resistor R02 and a diode D02 which are connected in series, the voltage input end of the resistor R02 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R02 is connected with the positive end of the diode D02, and the negative end of the diode D02 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the negative terminal of the diode D01 and the voltage input terminal of the resistor R01, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R02 and the positive terminal of the diode D02.
4. The counting and sampling circuit for the mosquito eradication device according to claim 2, wherein the first comparison circuit and the second comparison circuit are each formed by an inductor and a capacitor; the first comparison circuit is formed by a capacitor C11 and an inductor T11 which are mutually connected in series, the voltage input end of a capacitor C11 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of a capacitor C11 is connected with the voltage input end of an inductor T11, and the voltage output end of an inductor T11 is connected with the ground end; the second comparison circuit is formed by an inductor T12 and a capacitor C12 which are mutually connected in series, the voltage input end of the inductor T12 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the inductor T12 is connected with the voltage input end of the capacitor C12, and the voltage output end of the capacitor C12 in the second comparison circuit is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C11 and the voltage input terminal of the inductor T11, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the inductor T12 and the voltage input terminal of the capacitor C12.
5. The counting and sampling circuit for the mosquito eradication device according to claim 2, wherein the first comparison circuit and the second comparison circuit are each formed by a capacitor and a resistor; the first comparison circuit is formed by a capacitor C21 and a resistor R21 which are mutually connected in series, a voltage output end of a capacitor C21 is arranged between a high-voltage packet voltage output end and the sampling resistor, a voltage output end of a capacitor C21 is connected with a voltage input end of a resistor R21, and a voltage output end of a resistor R21 is connected with a ground end; the second comparison circuit is formed by a resistor R22 capacitor and a resistor C22 which are mutually connected in series, the voltage input end of the resistor R22 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R22 is connected with the voltage input end of the capacitor C22, and the voltage output end of the capacitor C22 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the capacitor C21 and the voltage input terminal of the resistor R21, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R22 and the voltage input terminal of the capacitor C22.
6. The counting and sampling circuit for the mosquito eradication device according to claim 2, wherein the first comparison circuit and the second comparison circuit are each formed by a capacitor and two resistors; the first comparison circuit is composed of a resistor R301, a resistor R302 and a capacitor C31, wherein the resistor R301, the resistor R302 and the capacitor C31 are arranged in series, the voltage input end of the resistor R301 is arranged between the high-voltage package voltage output end and the sampling resistor, the voltage output end of the resistor R301 is connected with the voltage input end of the resistor R302, and the voltage output end of the resistor R302 is connected with the ground end; the second comparison circuit is composed of a resistor R311, a resistor R312 and a capacitor C32, wherein the resistor R311, the resistor R312 and the capacitor C32 are arranged in series, the voltage input end of the resistor R311 is arranged between the voltage output end of the high-voltage packet and the sampling resistor, the voltage output end of the resistor R311 is connected with the voltage input end of the resistor R312, and the voltage output end of the resistor R312 is connected with the ground end;
the positive input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R301 and the voltage input terminal of the resistor R302, and the negative input terminal of the comparison amplifier is disposed at a position between the voltage output terminal of the resistor R311 and the voltage input terminal of the resistor R312.
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| JP2013090153A (en) * | 2011-10-18 | 2013-05-13 | Renesas Electronics Corp | Semiconductor device, electronic equipment, vehicle, and overheat detection method |
| CN203839984U (en) * | 2013-12-03 | 2014-09-17 | 深圳市雅格朗电子有限公司 | Power balance management system for series lithium battery pack |
| CN105450003A (en) * | 2016-01-13 | 2016-03-30 | 中国石油集团渤海钻探工程有限公司 | Stabilized voltage power supply vibration damping circuit |
| CN206422754U (en) * | 2017-01-20 | 2017-08-18 | 安徽赛腾微电子有限公司 | A kind of electrification reset circuit |
| CN207198238U (en) * | 2017-09-04 | 2018-04-06 | 珠海格力电器股份有限公司 | Mains frequency detects circuit |
| CN208657755U (en) * | 2018-08-22 | 2019-03-29 | 山东美创生物科技股份有限公司 | A kind of insect killing trapping device with tally function |
| CN209265499U (en) * | 2018-12-13 | 2019-08-16 | 山东美创生物科技股份有限公司 | A kind of insect killing trapping device oscillation counting circuit |
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