High-voltage mosquito-killing circuit and mosquito-killing device

Abstract

The present application relates to a high-voltage mosquito killing circuit and a mosquito killer, including an upper shell, a lower shell, and a support column connecting the upper shell and the lower shell; a circuit board and an LED component are arranged in sequence from top to bottom in the upper shell; an air inlet, a fan, a power grid component, and a mosquito storage space are arranged in sequence from top to bottom in the lower shell; wherein the light-emitting surface of the LED component is arranged directly above the air inlet, and the circuit board is connected to the LED component, the fan, and the power grid component respectively through a wiring harness. The beneficial effect of the present application is that by adding a power grid component to the mosquito killer, after the mosquito is attracted to the LED component, it is sucked into the power grid component by the fan and electrocuted, thereby killing the mosquito within 3 seconds, and has the function of preventing mosquitoes from escaping and quickly killing mosquitoes.

Description

Technical Field

[0001] The present application relates to the technical field of mosquito killers, and more specifically, to a high-voltage mosquito killer circuit and a mosquito killer. Background Art

[0002] The mosquito repellents on the market mainly rely on purple light to lure mosquitoes to the air inlet. After the fan sucks in the mosquitoes, it needs to be blown for a period of time and then killed by physical air drying. This method takes more than 5 hours to kill the mosquitoes. If the mosquito storage box is opened before the time is up, the mosquitoes will slip through the net and escape, resulting in unsatisfactory mosquito repellent effect. Summary of the invention

[0003] The present application aims to overcome the problem in the prior art that mosquitoes may escape if the mosquito storage box is not opened in time, and the technical problem to be solved by the present application is to provide a high-pressure mosquito killer.

[0004] A high-voltage mosquito killing circuit is used in a mosquito killer. The circuit includes a main control chip, and a control circuit and a high-voltage circuit connected to the main control chip. The power input end of the main control chip is connected to the input power supply through a filter circuit, the control circuit is connected to a load circuit, and the high-voltage circuit is connected to a power grid component of the mosquito killer.

[0005] Optionally, the control circuit includes a first control circuit and a second control circuit; wherein,

[0006] The first control circuit comprises a first indicator light and a first MOS tube connected in parallel, wherein the gate of the first MOS tube is connected to the first control terminal of the main control chip, the source is connected to the input power supply, the drain is connected to the load circuit through a first resistor and a second resistor, one end of the first indicator light is connected to the input power supply, and the other end of the first indicator light is connected to the first control terminal through a resistor;

[0007] The second control circuit includes a second indicator light and a second MOS tube connected in parallel, the gate of the second MOS tube is connected to the second control end of the main control chip, the source is connected to the input power supply, the drain is connected to the load circuit, one end of the second indicator light is connected to the input power supply, and the other end of the second indicator light is connected to the second control end through a resistor.

[0008] Optionally, the high-voltage circuit includes a switching circuit, an oscillating circuit, a transformer, and a boosting circuit, wherein the power input end of the transformer is connected to the input power supply and the oscillating circuit, and the output end of the transformer is connected to the power grid component through the boosting circuit, wherein:

[0009] The switch circuit comprises a third MOS tube, the gate of the third MOS tube is connected to the main control chip, the drain is connected to the ground terminal of the transformer, and the source is grounded;

[0010] The oscillation circuit comprises a first triode, a third resistor, and a first diode, and is used to generate an oscillating current;

[0011] The boost circuit includes at least one capacitor and at least one diode for voltage doubling and power conversion. The positive output end of the boost circuit is connected to the positive metal mesh of the power grid component, and the negative output end is connected to the negative metal mesh of the power grid component.

[0012] In addition, the present application provides a mosquito killer, comprising an upper shell, a lower shell, and a support column connecting the upper shell and the lower shell;

[0013] The upper shell is provided with a circuit board and an LED component in order from top to bottom; the lower shell is provided with an air inlet, a fan, a power grid component, and a mosquito storage space in order from top to bottom;

[0014] The light-emitting surface of the LED component is arranged directly above the air inlet, and the circuit board is respectively connected to the LED component, the fan, and the power grid component through a wiring harness;

[0015] Wherein, the circuit board is provided with the above-mentioned high-voltage mosquito killing circuit, and the power grid component is connected to the high-voltage circuit of the high-voltage mosquito killing circuit.

[0016] Optionally, an upper mounting frame and a lower mounting frame connected to each other are provided in the middle of the inner wall of the lower shell, the fan is arranged above the upper mounting frame through a connecting rod, and the power grid component is arranged between the upper mounting frame and the lower mounting frame.

[0017] Optionally, the power grid assembly includes a positive metal mesh arranged on the lower surface of the upper mounting frame and a negative metal mesh arranged on the upper surface of the lower mounting frame, and the positive metal mesh and the negative metal mesh are arranged in an alternating manner.

[0018] Optionally, a wire groove for fixing a wire harness is provided on the connecting rod.

[0019] Optionally, the mosquito storage space is surrounded by an anti-dropping net fixed to the lower mounting frame, a mosquito storage box arranged at the bottom of the lower shell body, and the lower shell body.

[0020] Optionally, the LED component includes at least one LED lamp attached to the circuit board, and a lampshade arranged along the projection direction of the LED lamp light source, the lampshade is fixed to the bottom of the upper shell, and the lampshade is arranged directly above the air inlet; the surface adjacent to the lampshade and the LED lamp is set to be a wavy pattern, a beaded pattern, a frosted pattern, or a diamond pattern.

[0021] Optionally, a transparent cover is further provided on the side of the lower shell.

[0022] Compared with the prior art, the beneficial effects of this application are:

[0023] (1) The present application is provided with a first control circuit and a second control circuit, and by switching different modes, the fan power can be reduced by the first control circuit to make mosquito killing more silent, and the fan power can be increased by the second control circuit to achieve better mosquito killing effect.

[0024] (2) The present application also greatly improves the voltage transformation of the power grid components by setting an oscillating circuit, a transformer, and a boosting circuit in the high-voltage circuit, thereby further improving the mosquito killing effect.

[0025] (3) The present application adds an electric grid component to the mosquito killer. After the mosquitoes are attracted to the LED component, they are sucked into the electric grid component by the fan and electrocuted, thereby killing the mosquitoes within 3 seconds. The invention has the function of preventing mosquitoes from escaping and quickly killing mosquitoes.

[0026] (4) The power grid component of the present application is composed of staggered positive metal mesh and negative metal mesh, which increases the mosquito killing area of ​​the two electrodes and further improves the mosquito killing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of a mosquito killer according to an embodiment of the present application.

[0028] Figure 2 It is a cross-sectional schematic diagram of a mosquito killer according to an embodiment of the present application.

[0029] Figure 3 This is a schematic diagram of the explosion of the mosquito killer according to an embodiment of the present application.

[0030] Figure 4 This is a schematic diagram of an LED component according to an embodiment of the present application.

[0031] Figure 5 A schematic diagram of a power grid component according to an embodiment of the present application.

[0032] Figure 6 This is a schematic diagram of the main control chip and control circuit of an embodiment of the present application.

[0033] Figure 7 This is a schematic diagram of a high voltage circuit according to an embodiment of the present application. DETAILED DESCRIPTION

[0034] The present application is further described below in conjunction with specific implementation methods.

[0035] The same or similar numbers in the drawings of the embodiments of the present application correspond to the same or similar parts; in the description of the present application, it should be understood that if the terms "upper", "lower", "left", "right", "top", "bottom", "inside", "outside", etc. indicate the orientation or position relationship, it is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0036] In addition, if there are terms such as "first" and "second", they are only used for descriptive purposes, mainly to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components, and cannot be understood as indicating or implying relative importance.

[0037] In such Figure 1-5 In the illustrated embodiment, the present application provides a high-voltage mosquito killer, including an upper shell 2, a lower shell 1, and a support column 3 connecting the upper shell 2 and the lower shell 1; a circuit board 4 and an LED assembly 5 are sequentially arranged from top to bottom in the upper shell 2; an air inlet 11, a fan 6, a power grid assembly 7, and a mosquito storage space are sequentially arranged from top to bottom in the lower shell 1; wherein, the light-emitting surface of the LED assembly 5 is arranged directly above the air inlet 11, and the circuit board 4 is respectively connected to the LED assembly 5, the fan 6, and the power grid assembly 7 through a wiring harness. In this embodiment, the upper shell 2 and the lower shell 1 are arranged separately, the upper shell 2 and the lower shell 1 are connected through the support column 3, and the LED assembly 5 is arranged at the bottom of the upper shell 2, above the air inlet 11. The present application attracts mosquitoes through the LED assembly 5, and sucks mosquitoes from the air inlet 11 into the lower shell 1 through the fan 6, and kills them with electricity through the power grid assembly 7. The present application adds a power grid component 7 to the mosquito killer. After the mosquitoes are attracted to the LED component 5, they are sucked into the power grid component 7 by the fan 6 and killed by electricity, thereby killing the mosquitoes within 3 seconds. The present application has the function of preventing mosquitoes from escaping and killing mosquitoes quickly. The circuit board is provided with the above-mentioned high-voltage mosquito killing circuit, and the power grid component is connected to the high-voltage circuit of the high-voltage mosquito killing circuit; the present application outputs a high-voltage circuit to the power grid component through the high-voltage mosquito killing circuit to kill the mosquitoes entering the mosquito killer.

[0038] In some embodiments, an upper mounting frame 12 and a lower mounting frame 13 connected to each other are provided in the middle of the inner wall of the lower housing 1, the fan 6 is provided above the upper mounting frame 12 through a connecting rod, and the power grid component 7 is provided between the upper mounting frame 12 and the lower mounting frame 13. In this embodiment, the upper mounting frame 12 and the lower mounting frame 13 are combined and fixed on the inner wall of the lower housing 1, the fan 6 is provided below the air inlet 11 and above the upper mounting frame 12; the power grid component 7 is provided between the upper mounting frame 12 and the lower mounting frame 13, and a mosquito storage space is provided below the lower mounting frame 13. A wire groove for fixing the wire harness is provided on the connecting rod. The wire harness connected to the circuit board 4 is fixed by the wire groove so that it does not interfere with the operation of the fan 6 and the power grid component 7.

[0039] In some embodiments, the power grid assembly 7 includes a positive metal mesh 71 disposed on the lower surface of the upper mounting frame 12, and a negative metal mesh 72 disposed on the upper surface of the lower mounting frame 13, and the positive metal mesh 71 and the negative metal mesh 72 are staggered. In this embodiment, the negative metal mesh 72 and the positive metal mesh 71 are in a mesh structure, and the negative metal mesh 72 and the positive metal mesh 71 both include a ring, and a connecting rod that is transversely connected to the ring, and the connecting rods of the positive metal mesh 71 and the negative metal mesh 72 are staggered; by setting the power grid assembly 7 to be composed of the staggered positive metal mesh 71 and the negative metal mesh 72, the mosquito killing area of ​​the two electrodes is increased, and the mosquito killing effect is further improved.

[0040] In some embodiments, the mosquito storage space is surrounded by the anti-dropping net 14 fixed to the lower mounting frame 13, the mosquito storage box 15 arranged at the bottom of the lower housing 1, and the lower housing. In this embodiment, the mosquito storage space is used to store the remaining mosquitoes, and the anti-dropping net 14 is arranged to prevent the mosquitoes from escaping; at the same time, the mosquito storage box 15 is detachably connected to the lower housing 1, and the mosquito storage box 15 can be removed from the housing for cleaning.

[0041] In some embodiments, the LED assembly 5 includes at least one LED lamp 51 attached to the circuit board 4, and a lampshade 52 arranged along the projection direction of the light source of the LED lamp 51. The lampshade 52 is fixed to the bottom of the upper shell 2, and the lampshade 52 is arranged directly above the air inlet 11; the surface adjacent to the lampshade 52 and the LED lamp 51 is set as a wave pattern or a beaded pattern or a frosted pattern or a diamond pattern. In this embodiment, the number of LED lamps 51 is 10, including 8 LED 2835 365nm purple LEDs and 2 LED 2835 400nm purple LEDs; among them, the 8 LED 2835 365nm purple LEDs are visible to mosquitoes, have great attraction to mosquitoes, and are used to lure mosquitoes. The 2 LED 2835 400nm purple LEDs are visible to the human eye and are used to indicate that the mosquito killer has started working. Among them, multiple LED lamps 51 are attached to the circuit board 4 in a ring shape, and the lampshade 52 is arranged in a ring shape at the projection of the light source. The surfaces adjacent to the lampshade 52 and the LED lamp 51 are designed to have wavy patterns, pearlescent patterns, frosted patterns, or diamond patterns, so as to optimize the light.

[0042] In some embodiments, a transparent cover 16 is further provided on the side of the lower housing 1. The transparent cover 16 is used to display whether there are mosquitoes in the mosquito storage space.

[0043] exist Figure 6-7 In the illustrated embodiment, the present application also provides a high-voltage mosquito killing circuit, which includes a main control chip U1, and a control circuit and a high-voltage circuit connected to the main control chip U1. The power input terminal U1_VDD of the main control chip U1 is connected to the input power supply through a filter circuit, the control circuit is connected to the load circuit, and the high-voltage circuit is connected to the power grid component 7. In this embodiment, the main control chip U1 of the present application can be a chip of model DLT8P65SA, and the power input terminal U1_VDD of the main control chip is connected to the input power supply VCC through a filter circuit 46. The filter circuit 46 includes at least one capacitor, a resistor, and an anti-reverse diode. The capacitor, the resistor, and the anti-reverse diode are connected between the input power supply VCC and the power ground for filtering and voltage stabilization. The main control chip U1 is also provided with a first control switch SW1 and a second control switch SW2, which respectively control the on and off of the first control circuit and the second control circuit. The first control switch SW1 and the second control switch SW2 are provided at the top of the upper housing 2.

[0044] In some embodiments, the control circuit includes a first control circuit 41 and a second control circuit 42; wherein,

[0045] The first control circuit 41 includes a first indicator LED11 and a first MOS tube Q1 connected in parallel. The gate of the first MOS tube Q1 is connected to the first control terminal of the main control chip, the source is connected to the input power supply VCC, the drain is connected to the fan 6, the LED component 5 and the load circuit through the first resistor R1 and the second resistor R2. One end of the first indicator LED11 is connected to the input power supply VCC, and the other end of the first indicator LED11 is connected to the first control terminal U1_PA0 through the resistor; the gate of the first MOS tube Q1 is also connected to two resistors, one of which is connected to the input circuit, and the other is connected to the first control terminal U1_PA0 of the main control chip U1, for stabilizing the circuit. Among them, the load circuit is a load circuit composed of the fan 6, LED1-8, LED9-10 and the resistor; the main control chip U1 controls the on and off of the first MOS tube Q1 to control the load circuit to be turned on by the first resistor R1 and the second resistor R2.

[0046] The second control circuit 42 includes a second indicator LED12 and a second MOS tube Q2 connected in parallel. The gate of the second MOS tube Q2 is connected to the second control terminal U1_PA2 of the main control chip, the source is connected to the input power supply VCC, the drain is connected to the load circuit, one end of the second indicator LED12 is connected to the input power supply VCC, and the other end of the second indicator LED12 is connected to the first control terminal U1_PA0 through a resistor. The gate of the second MOS tube Q2 is also connected to two resistors, one of which is connected to the input circuit, and the other is connected to the first control terminal U1_PA0 of the main control chip U1, for stabilizing the circuit. Among them, the load circuit is a load circuit composed of a fan 6, LED1-8, LED9-10 and a resistor; the main control chip U1 controls the conduction of the load circuit by controlling the on and off of the first MOS tube Q1.

[0047] The present application is also provided with a first control circuit 41 and a second control circuit 42. By switching different modes, the power of the fan 6 can be reduced by the first control circuit 41 to make the mosquito killing more silent, and the power of the fan 6 can be increased by the second control circuit 42 to achieve a better mosquito killing effect.

[0048] In some embodiments, the high-voltage circuit includes a switch circuit 43, an oscillating circuit 44, a transformer BD1, and a boost circuit 45. The power input end of the transformer BD1 is connected to the input power supply and the oscillating circuit 44, and the output end of the transformer BD1 is connected to the grid component 7 through the boost circuit 45.

[0049] The switch circuit 43 includes a third MOS transistor Q3, the gate of the third MOS transistor Q3 is connected to the main control chip U1, the drain is connected to the ground terminal of the transformer BD1, and the source is grounded; the gate of the third MOS transistor Q3 is also connected to two resistors, one of which is connected to the input circuit, and the other is connected to the main control chip U1, for stabilizing the circuit.

[0050] The oscillation circuit 44 includes a first transistor Q4, a third resistor R3, and a first diode D1, and is used to generate an oscillation current to achieve a boosting effect.

[0051] The boost circuit 45 includes at least one capacitor and at least one diode, which are used for voltage doubling and voltage transformation. The positive output terminal A+ of the boost circuit 45 is connected to the positive metal mesh 71 of the power grid component 7, and the negative output terminal A- is connected to the negative metal mesh 72 of the power grid component 7. By connecting multiple capacitors and diodes of the transformer BD1, the voltage is doubled, and the electric shock effect of the power grid component 7 is further improved.

[0052] The present application adds a power grid component 7 to the mosquito killer. After the mosquito is attracted to the LED component 5, it is sucked into the power grid component 7 by the fan 6 and electrocuted, thereby killing the mosquito within 3 seconds. It has the function of preventing mosquitoes from escaping and quickly killing mosquitoes. The power grid component 7 of the present application is composed of staggered positive metal mesh 71 and negative metal mesh 72, which increases the mosquito killing area of ​​the two electrodes and further improves the mosquito killing effect. The present application is also provided with a first control circuit 41 and a second control circuit 42. By switching different modes, the power of the fan 6 can be reduced by the first control circuit 41 to make the mosquito killing quieter, and the power of the fan 6 can be increased by the second control circuit 42 to make the mosquito killing effect better. The present application also greatly improves the voltage transformation of the power grid component 7 by setting an oscillating circuit 44, a transformer BD1, and a boost circuit 45 in the high-voltage circuit, thereby further improving the mosquito killing effect.

[0053] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation methods of the present application. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present application should be included in the protection scope of the claims of the present application.

Claims

1. A high voltage mosquito killing circuit, characterized in that: Applied to a mosquito killer, the circuit includes a main control chip, and a control circuit and a high-voltage circuit connected to the main control chip. The power input end of the main control chip is connected to the input power supply through a filter circuit, the control circuit is connected to a load circuit, and the high-voltage circuit is connected to a power grid component of the mosquito killer; Wherein, the control circuit includes a first control circuit and a second control circuit; The high-voltage circuit includes a switching circuit, an oscillation circuit, a transformer, and a boost circuit. The power input end of the transformer is connected to the input power supply and the oscillation circuit, and the output end of the transformer is connected to the power grid component through the boost circuit.

2. A high-voltage mosquito-killing circuit according to claim 1, characterized in that: The first control circuit comprises a first indicator light and a first MOS tube connected in parallel, wherein the gate of the first MOS tube is connected to the first control terminal of the main control chip, the source is connected to the input power supply, the drain is connected to the load circuit through a first resistor and a second resistor, one end of the first indicator light is connected to the input power supply, and the other end of the first indicator light is connected to the first control terminal through a resistor; The second control circuit includes a second indicator light and a second MOS tube connected in parallel, the gate of the second MOS tube is connected to the second control end of the main control chip, the source is connected to the input power supply, the drain is connected to the load circuit, one end of the second indicator light is connected to the input power supply, and the other end of the second indicator light is connected to the second control end through a resistor.

3. A high-voltage mosquito-killing circuit according to claim 1, characterized in that: The switch circuit comprises a third MOS tube, the gate of the third MOS tube is connected to the main control chip, the drain is connected to the ground terminal of the transformer, and the source is grounded; The oscillation circuit comprises a first triode, a third resistor, and a first diode, and is used to generate an oscillating current; The boost circuit includes at least one capacitor and at least one diode for voltage doubling and power conversion. The positive output end of the boost circuit is connected to the positive metal mesh of the power grid component, and the negative output end is connected to the negative metal mesh of the power grid component.

4. A mosquito killer, characterized in that: It includes an upper shell, a lower shell, and a support column connecting the upper shell and the lower shell; The upper shell is provided with a circuit board and an LED component in order from top to bottom; the lower shell is provided with an air inlet, a fan, a power grid component, and a mosquito storage space in order from top to bottom; The light-emitting surface of the LED component is arranged directly above the air inlet, and the circuit board is respectively connected to the LED component, the fan, and the power grid component through a wiring harness; Wherein, the circuit board is provided with the high-voltage mosquito killing circuit described in any one of claims 1 to 3, and the power grid component is connected to the high-voltage circuit of the high-voltage mosquito killing circuit.

5. A mosquito killer according to claim 4, characterized in that: An upper mounting frame and a lower mounting frame connected to each other are arranged in the middle of the inner wall of the lower shell body, the fan is arranged above the upper mounting frame through a connecting rod, and the power grid component is arranged between the upper mounting frame and the lower mounting frame.

6. A mosquito killer according to claim 5, characterized in that: The power grid assembly includes a positive metal mesh arranged on the lower surface of the upper mounting frame and a negative metal mesh arranged on the upper surface of the lower mounting frame, and the positive metal mesh and the negative metal mesh are arranged in an alternating manner.

7. A mosquito killer according to claim 5, characterized in that: The connecting rod is provided with a wire groove for fixing the wire harness.

8. The mosquito killer according to claim 5, characterized in that: The mosquito storage space is surrounded by an anti-dropping net fixed to the lower mounting frame, a mosquito storage box arranged at the bottom of the lower shell body, and the lower shell body.

9. The mosquito killer according to claim 4, characterized in that: The LED assembly includes at least one LED lamp attached to the circuit board, and a lampshade arranged along the projection direction of the LED lamp light source, the lampshade is fixed to the bottom of the upper shell, and the lampshade is arranged directly above the air inlet; the surface adjacent to the lampshade and the LED lamp is set to be a wavy pattern, a beaded pattern, a frosted pattern, or a diamond pattern.

10. The mosquito killer according to claim 4, characterized in that: A transparent cover is also provided on the side of the lower shell.

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