Light-changing insect trapping and pest killing device

Through light-changing insect trapping and automated cleaning structures, the problems of the applicability and inconvenience of cleaning of existing insect-killing lamps are solved, and efficient trapping and automated cleaning of various pests are achieved.

CN223168992UActive Publication Date: 2025-08-01CHENQING FOREST FARM IN SUNWU COUNTY
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Patent Information

Application Number
CN202422307310.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-01
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing insect-extinguishing lamps have problems of unsatisfactory applicability and low automation in terms of insect luring and cleaning up insect corpses, especially the lack of light-repellent insect-induced structure and inconvenient cleaning of high-voltage power grids.

Method used

A light-changing insect-induced pest control device was designed, and the light-changing insect-induced pest control device was set up by setting up multiple different colors of insect-induced pest control lamps and timing controllers, and equipped with reciprocating electric push rods, air pumps and back-blowing cleaning components to realize automated high-voltage grid cleaning and insect corpse and slag collection.

Benefits of technology

It improves the applicability to a variety of phototaxis pests, and through automated cleaning and collection of insect corpses, the frequency of personnel cleaning is reduced and the degree of automation of use is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light-changing insect trapping and pest killing device which comprises a concentric-square-shaped base, a cylinder and a round box with the top open are fixedly connected to the bottom of the concentric-square-shaped base, the round box is located in the cylinder, a plurality of insect inlet holes are formed in the outer side of the cylinder, and a timing controller and an air pump are fixedly installed on the inner wall of the bottom of the concentric-square-shaped base. An air outlet of the air pump extends into the round box, the bottom of the round box is fixedly connected with a high-voltage power grid with an opening in the top, and the bottom of the round box is annularly and fixedly connected with a plurality of trap lamps located in the high-voltage power grid at equal intervals. By arranging a series of structures, the light-variable pest trapping device can trap pests in a light-variable manner and kill the pests through electric shock, can be suitable for trapping various pests with different phototaxis through the light-variable pest trapping manner, improves the applicability, is convenient to automatically and regularly blow and clean the high-voltage power grid and automatically discharge and collect dead pest residues in a centralized manner, and is high in practicability. Frequent cleaning by personnel is not needed, the personnel cleaning frequency is reduced, and the use automation degree is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of insect attracting and pest control equipment, in particular to a variable light insect attracting and pest control device. Background Technique

[0002] Insect killing lamps can be divided into electric shock type and sticky trapping type according to their killing functions. The principle is to use light to attract flies and insects, lure them close to the lamp tube of the insect killing lamp, and make the flies and insects contact the high-voltage power grid or flypaper near the insect killing lamp, electrocute or stick them, so as to achieve the purpose of killing flies and insects. In this regard, for example, the wall-mounted fly killing device disclosed in the publication number CN215836676U includes a fly killing lamp body and a mounting plate arranged on the left side of the fly killing lamp body. The fly killing lamp body includes a top plate and a transparent tube, a fly attracting lamp and a high-voltage power grid fixedly installed at the bottom of the top plate. The transparent tube is sleeved on the high-voltage power grid, the high-voltage power grid is sleeved on the fly attracting lamp, the top end of the fly attracting lamp is fixedly connected to the bottom of the top plate, and a plurality of first through holes are opened on the side wall of the transparent tube. A first storage battery is embedded at the bottom of the top plate, and the first storage battery is electrically connected to the fly attracting lamp. The bottom end of the transparent tube is in movable contact with a bottom plate. It is convenient to automatically control the extraction operation of the exhaust fan when flies and insects enter the transparent tube, which can effectively reduce the phenomenon that the flies and insects that enter the transparent tube fly out again, improve the effect of catching flies and insects, and is convenient to automatically lower and take out the high-voltage power grid for cleaning, without the need for personnel to climb high to take it out, which is convenient for personnel to clean and reduces potential safety hazards.

[0003] The above-mentioned wall-mounted fly killing device disclosed in the technology can lure flies and insects close to the high-voltage power grid at the lamp tube of the insect killing lamp to electrocute them, realizing the work of attracting insects and killing pests. However, there are still the following deficiencies in use: 1. The fly attracting lamp with a single light cannot be used for attracting insects with different phototaxis, lacking a variable light insect attracting structure, and the applicability is not ideal; 2. After killing insects with the high-voltage power grid, there will be a lot of insect corpse fragments remaining and accumulating on the outside, and it is necessary for personnel to operate frequently at regular intervals to remove and clean them. It cannot automatically clean the high-voltage power grid and automatically discharge and collect the insect corpse fragments. The cleaning frequency is high, and the degree of automation in use is not ideal. In view of this, this application proposes a variable light insect attracting and pest control device to solve the above problems. Summary of the Invention

[0004] The purpose of the utility model is to provide a variable light insect attracting and pest control device to solve the problems raised in the above background technique.

[0005] To achieve the above object, the present utility model provides the following technical solution: A variable-light insect-trapping and pest-killing device, including a U-shaped seat, the bottom of the U-shaped seat is fixedly connected with a cylinder and a round box with an open top, the round box is located inside the cylinder, a plurality of insect inlet holes are opened on the outer side of the cylinder, a timing controller and an air pump are fixedly installed on the bottom inner wall of the U-shaped seat, the air outlet of the air pump extends into the round box, the bottom of the round box is fixedly connected with a high-voltage power grid with an open top, the bottom of the round box is fixedly connected with a plurality of insect-trapping lights located inside the high-voltage power grid at equal intervals in a ring shape, and a plurality of insect-trapping lights and the air pump are electrically connected to the timing controller; the provided timing controller is used to set the sequential opening and closing times of the plurality of insect-trapping lights, use the plurality of insect-trapping lights to carry out insect-trapping work, the insects enter through the plurality of insect inlet holes, and use the high-voltage power grid to carry out electrocution pest-killing work on the entering insects;

[0006] The bottom of the cylinder is in movable contact with a plug plate with a frustum-shaped structure at the top, a reciprocating electric push rod located in the middle of the plurality of insect-trapping lights is fixedly installed on the bottom of the round box, the extending end of the reciprocating electric push rod is fixedly connected with the top of the plug plate, the bottom of the round box is fixedly connected and communicated with an anti-blow cleaning assembly matched with the high-voltage power grid, the bottom end of the anti-blow cleaning assembly is fixedly connected with the top of the plug plate, L-shaped air blowing pipes are fixedly connected and communicated on the four sides of the round box, the bottom end of the L-shaped air blowing pipe is in a hood-shaped structure, and a worm collecting assembly is fixedly installed on the outer side of the cylinder; use the timing controller to preset the time for controlling the start of the reciprocating electric push rod and the opening and closing of the air pump according to the cleaning requirement, use the reciprocating electric push rod to drive the plug plate to move up and down when starting, use the plug plate to move down to unseal the bottom of the cylinder, use the air pump to supply air into the round box, the anti-blow cleaning assembly is used to blow and clean the high-voltage power grid comprehensively from the inside to the outside when the plug plate moves up and down and gas is supplied into the round box, a part of the gas in the round box is blown out downward through the L-shaped air blowing pipe, and the insect corpses and debris blown and cleaned are blown out downward, and the worm collecting assembly centrally collects the blown-out insect corpses and debris.

[0007] Preferably, the anti-blow cleaning assembly includes two telescopic hoses fixedly connected and communicated at the bottom of the round box, the bottom ends of the two telescopic hoses are fixedly connected and communicated with the same annular pipe located inside the high-voltage power grid, a plurality of insect-trapping lights are all located inside the annular pipe, a plurality of anti-blow pipe heads all matched with the high-voltage power grid are fixedly connected and communicated at equal intervals in a ring shape on the outer side of the annular pipe, and two insulating guide rods are fixedly connected between the bottom of the annular pipe and the top of the plug plate, and the high-voltage power grid is movably sleeved on the two insulating guide rods.

[0008] Preferably, the worm collecting assembly includes an annular support plate fixedly sleeved on the outer bottom of the cylinder, the bottom of the annular support plate is fixedly connected with an annular male magic tape, the bottom of the annular male magic tape is adhered with an annular female magic tape, and the bottom of the annular female magic tape is fixedly connected with a breathable cloth bag, and the plug plate is located inside the breathable cloth bag.

[0009] Preferably, an L-shaped fixing seat is fixedly connected to the top of the U-shaped seat.

[0010] Preferably, a storage battery is fixedly installed on the inner wall of the bottom of the clip seat, and the air pump, the timing controller, the insect attracting lamp, the high-voltage power grid and the reciprocating electric push rod are all electrically connected to the storage battery.

[0011] Preferably, an insulating guide sleeve is embedded and fixed on the inner wall of the bottom of the high-voltage power grid, and the insulating guide sleeve is movably sleeved outside the extending end of the reciprocating electric push rod.

[0012] Preferably, the plurality of insect attracting lamps are respectively a yellow light lamp, a blue light lamp, a green light lamp and a black mercury lamp, and the opening and closing times of the plurality of insect attracting lamps are sequentially replaced. By using different lights of the yellow light lamp, the blue light lamp, the green light lamp and the black mercury lamp and matching with the sequentially replaced opening and closing mode, the lights can be automatically changed under the control of the preset timing opening and closing time, so as to be applicable to the work of attracting and killing various pests with different phototaxis.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. By the cooperation of the set timing controller, the cylinder, the insect inlet hole, the high-voltage power grid, the round box and the plurality of insect attracting lamps, the light can be changed to attract insects and the insects can be electrocuted and killed. By the way of changing the light to attract insects, it is applicable to the work of attracting various pests with different phototaxis, and the applicability is improved;

[0015] 2. By the cooperation of the set timing controller, the cylinder, the high-voltage power grid, the round box, the air pump, the plug plate, the reciprocating electric push rod, the back-blowing cleaning assembly and the insect collecting assembly, the high-voltage power grid can be cleaned by back-blowing automatically at regular time and the insect corpses and debris can be automatically discharged, and the discharged insect corpses and debris can be centrally collected by using the breathable cloth bag. Since the insect corpses and debris are small, the breathable cloth bag can be taken off and cleaned after being collected for many times, without frequent cleaning by personnel, reducing the cleaning frequency of personnel and improving the automation degree of use.

[0016] By arranging a series of structures, the utility model can change the light to attract insects and electrocute and kill them. By the way of changing the light to attract insects, it is applicable to the work of attracting various pests with different phototaxis, improving the applicability, facilitating the automatic back-blowing cleaning of the high-voltage power grid at regular time and automatically discharging and centrally collecting the insect corpses and debris, without frequent operation and cleaning by personnel, reducing the cleaning frequency of personnel and improving the automation degree of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of a variable-light insect attracting and killing device proposed by the utility model;

[0018] Figure 2 is Figure 1 the sectional structural diagram of

[0019] Figure 3 is Figure 2Schematic diagram of the enlarged structure of part A in

[0020] In the figure: 1, U-shaped seat; 2, cylinder; 201, annular support plate; 202, breathable cloth bag; 3, insect inlet hole; 4, round box; 5, insect attracting lamp; 6, high-voltage power grid; 7, L-shaped air blowing pipe; 8, air pump; 9, timing controller; 10, plug plate; 11, reciprocating electric push rod; 12, insulating guide sleeve; 13, insulating guide rod; 14, annular pipe; 15, back blowing pipe head; 16, telescopic hose. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] As Figures 1 to 3 shown, a variable-light insect attracting and pest killing device proposed in this embodiment includes a U-shaped seat 1. The top of the U-shaped seat 1 is fixedly connected with an L-shaped fixed seat. The bottom of the U-shaped seat 1 is fixedly connected with a cylinder 2 and a round box 4 with an open top. The round box 4 is located inside the cylinder 2. A plurality of insect inlet holes 3 are opened on the outer side of the cylinder 2. A timing controller 9 and an air pump 8 are fixedly installed on the inner wall of the bottom of the U-shaped seat 1. The air outlet of the air pump 8 extends into the round box 4. The bottom of the round box 4 is fixedly connected with a high-voltage power grid 6 with an open top. The bottom of the round box 4 is fixedly connected with a plurality of insect attracting lamps 5 located inside the high-voltage power grid 6 at equal intervals in a ring shape. A plurality of insect attracting lamps 5 and the air pump 8 are both electrically connected to the timing controller 9. The plurality of insect attracting lamps 5 are respectively yellow light lamps, blue light lamps, green light lamps and black mercury lamps. The opening and closing times of the plurality of insect attracting lamps 5 succeed each other in turn. By using different lights of the yellow light lamp, blue light lamp, green light lamp and black mercury lamp and cooperating with the way of successive opening and closing, the lights can be automatically changed under the control of the preset timing opening and closing time to be suitable for the work of attracting and killing insects for a variety of pests with different phototaxis; the set timing controller 9 is used to set the successive opening and closing times of the plurality of insect attracting lamps 5. The plurality of insect attracting lamps 5 are used for attracting insects. Insects enter through the plurality of insect inlet holes 3, and the high-voltage power grid 6 is used to electrocute the entering insects for pest killing work;

[0023] The bottom of the cylinder 2 is in movable contact with a plug plate 10 having a frustum-shaped structure at the top. A reciprocating electric push rod 11 located in the middle of a plurality of insect attracting lamps 5 is fixedly installed at the bottom of the round box 4. The extending end of the reciprocating electric push rod 11 is fixedly connected to the top of the plug plate 10. An insulating guide sleeve 12 is fixedly embedded on the inner wall of the bottom of the high-voltage power grid 6. An embedding hole fixedly connected to the outside of the insulating guide sleeve 12 is formed on the inner wall of the bottom of the high-voltage power grid 6, and the insulating guide sleeve 12 is movably sleeved on the outside of the extending end of the reciprocating electric push rod 11. A reverse blowing and cleaning assembly matched with the high-voltage power grid 6 is fixedly connected to the bottom of the round box 4 in a communicating manner. The bottom end of the reverse blowing and cleaning assembly is fixedly connected to the top of the plug plate 10. L-shaped air blowing pipes 7 are fixedly connected to the four sides of the round box 4 in a communicating manner. The bottom end of the L-shaped air blowing pipe 7 is in a hood-shaped structure. An insect collecting assembly is fixedly installed on the outside of the cylinder 2. A storage battery is fixedly installed on the inner wall of the bottom of the return seat 1. The air pump 8, the timing controller 9, the insect attracting lamps 5, the high-voltage power grid 6 and the reciprocating electric push rod 11 are all electrically connected to the storage battery; the timing controller 9 is used to preset the time for controlling the start of the reciprocating electric push rod 11 and the opening and closing of the air pump 8 according to the cleaning requirements. When the reciprocating electric push rod 11 starts, it drives the plug plate 10 to move up and down. When the plug plate 10 moves down, the bottom of the cylinder 2 is unsealed. The air pump 8 is used to supply air into the round box 4. The reverse blowing and cleaning assembly is used to blow and clean the high-voltage power grid 6 comprehensively from the inside to the outside when the plug plate 10 moves up and down and gas is supplied into the round box 4. Part of the gas in the round box 4 is blown downward through the L-shaped air blowing pipes 7, and the insect corpses and debris blown and cleaned are blown downward and discharged. The insect collecting assembly centrally collects the blown insect corpses and debris.

[0024] Specifically, the reverse blowing and cleaning assembly includes two telescopic hoses 16 fixedly connected to the bottom of the round box 4 in a communicating manner. The bottom ends of the two telescopic hoses 16 are fixedly connected to the same annular pipe 14 located inside the high-voltage power grid 6. A plurality of insect attracting lamps 5 are all located inside the annular pipe 14. A plurality of reverse blowing nozzles 15 all matched with the high-voltage power grid 6 are fixedly connected to the outside of the annular pipe 14 at equal intervals in a circular shape. Two insulating guide rods 13 are fixedly connected between the bottom of the annular pipe 14 and the top of the plug plate 10. The high-voltage power grid 6 is movably sleeved on the two insulating guide rods 13. Vertical guide holes respectively in movable contact with the outside of the corresponding insulating guide rods 13 are formed on the inner wall of the bottom of the high-voltage power grid 6, which has the effect of allowing the insulating guide rods 13 to pass through and guiding them vertically; the arranged telescopic hoses 16, annular pipe 14, reverse blowing nozzles 15 and insulating guide rods 13 cooperate. When the plug plate 10 moves up and down, the annular pipe 14 will be driven to move up and down by the two insulating guide rods 13. The annular pipe 14 stretches or compresses the telescopic hoses 16. The annular pipe 14 drives the reverse blowing nozzles 15 to move up and down. When gas is supplied into the round box 4, part of the gas is discharged into the annular pipe 14 through the two telescopic hoses 16 and then blown out through a plurality of reciprocatingly moving reverse blowing nozzles 15. The gas blown out by the up and down movement blows and cleans the high-voltage power grid 6 from the inside to the outside, realizing the effect of automatically blowing and cleaning the high-voltage power grid 6.

[0025] Furthermore, the insect collecting component includes an annular support plate 201 fixedly sleeved on the outer bottom of the cylinder 2, the bottom of the annular support plate 201 is fixedly connected with an annular male Velcro, the bottom of the annular male Velcro is adhered with an annular female Velcro, the bottom of the annular female Velcro is fixedly connected with a breathable cloth bag 202, and the blocking plate 10 is located in the breathable cloth bag 202; the annular support plate 201, the annular male Velcro, the annular female Velcro and the breathable cloth bag 202 are arranged to cooperate, and when the blocking plate 10 moves down to unseal the bottom of the cylinder 2, the insects blown downward by the L-shaped blowing pipe 7 The insect debris is discharged downward through the space separated by the blocking plate 10 and the cylinder 2. The discharged insect debris falls directly into the breathable cloth bag 202 and is collected in a centralized manner, so as to achieve the effect of centralized collection of the insect debris discharged by the blow. The insect debris is automatically discharged and centralized. Since the insect debris is small, it can be collected multiple times and then the breathable cloth bag 202 is removed for cleaning. There is no need for frequent cleaning by personnel, which reduces the frequency of cleaning by personnel. The setting of the ring-shaped male Velcro and the ring-shaped female Velcro makes it convenient for personnel to peel off the breathable cloth bag 202 for replacement.

[0026] The method of using this embodiment is as follows: during use, a person sets the on / off time of the plurality of insect attracting lamps 5 through the timing controller 9. The on / off time of the plurality of insect attracting lamps 5 is sequentially switched. The yellow light, blue light, green light and black mercury lamp are used, and the lighting is automatically switched according to the preset timed on / off time. For example, when the black mercury lamp is switched, it has a better attracting effect on moth pests. The insects enter through the plurality of insect entrance holes 3, and the high-voltage power grid 6 is used to electrocute the entering insects. The variable light mode achieves the insect attracting effect, which is convenient for attracting a variety of pests with different phototropisms, thereby improving the applicability.

[0027] According to the cleaning requirements in advance, the timing controller 9 is used to preset the time for controlling the start of the reciprocating electric push rod 11 and the opening and closing of the air pump 8. When the cleaning time is reached, the timing controller 9 controls the reciprocating electric push rod 11 and the air pump 8 to start. The reciprocating electric push rod 11 drives the plug plate 10 to move up and down. When the plug plate 10 moves down, the bottom of the cylinder 2 is unsealed. When the air pump 8 starts, it supplies air into the round box 4. When the plug plate 10 moves up and down, it drives the annular pipe 14 to move up and down through two insulating guide rods 13. The annular pipe 14 stretches or compresses the telescopic hose 16, and the annular pipe 14 drives the backflush pipe head 15 to move up and down. When gas is supplied into the round box 4, part of the gas is discharged into the annular pipe 14 through the two telescopic hoses 16 and then blown out through multiple reciprocating backflush pipe heads 15. The gas blown out by the up and down movement blows the high-voltage power grid 6 from the inside to the outside for backflush cleaning. Another part of the gas entering the round box 4 is blown downward through the L-shaped blow pipe 7 to blow out the insect corpse debris after backflush cleaning downward. When the closing time is reached, the timing controller 9 controls the air pump 8 to close and stop supplying air, waiting for the next set cleaning time to control the start again for cleaning and discharging work, realizing the effect of automatically backflush cleaning the high-voltage power grid 6 at a fixed time and automatically discharging the insect corpse debris downward;

[0028] When the insect corpse debris blown downward by the L-shaped blow pipe 7 is discharged downward through the space separated by the plug plate 10 and the cylinder 2, the discharged insect corpse debris directly falls into the breathable cloth bag 202 for collection, realizing the effect of centralized collection of the blown-out insect corpse debris. By using fixed-time automatic discharge and centralized collection of the insect corpse debris, since the insect corpse debris is relatively small, it can be collected multiple times and then the breathable cloth bag 202 can be removed for cleaning, without the need for personnel to clean frequently, reducing the cleaning frequency of personnel and improving the degree of automation of use.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A variable-light insect-trapping and pest-killing device, comprising a loop-shaped seat (1), characterized in that: The bottom of the loop-shaped base (1) is fixedly connected to a cylinder (2) and a round box (4) with an open top. The round box (4) is located inside the cylinder (2). A plurality of insect inlet holes (3) are formed in the outer side of the cylinder (2). A timing controller (9) and an air pump (8) are fixedly installed on the bottom inner wall of the loop-shaped base (1). The air outlet of the air pump (8) extends into the round box (4). The bottom of the round box (4) is fixedly connected to a high-voltage power grid (6) with an open top. The bottom of the round box (4) is fixedly connected with a plurality of insect attracting lamps (5) arranged at equal intervals in a ring shape inside the high-voltage power grid (6). The plurality of insect attracting lamps (5) and the air pump (8) are both electrically connected to the timing controller (9); The bottom of the cylinder (2) is in movable contact with a plug board (10) with a frustum-shaped top structure. A reciprocating electric push rod (11) located in the middle of the plurality of insect attracting lamps (5) is fixedly installed on the bottom of the round box (4). The extending end of the reciprocating electric push rod (11) is fixedly connected to the top of the plug board (10). The bottom of the round box (4) is connected and fixed with a back-blowing cleaning assembly that cooperates with the high-voltage power grid (6). The bottom end of the back-blowing cleaning assembly is fixedly connected to the top of the plug board (10). An L-shaped blowing air pipe (7) is connected and fixed to each of the four sides of the round box (4). The bottom end of the L-shaped blowing air pipe (7) is in a hood shape. A insect collecting assembly is fixedly installed on the outer side of the cylinder (2).

2. The variable-light insect-trapping and pest-killing device according to claim 1, wherein: The back-blowing cleaning assembly includes two telescopic hoses (16) connected and fixed to the bottom of the round box (4). The bottom ends of the two telescopic hoses (16) are connected and fixed to the same annular pipe (14) located inside the high-voltage power grid (6). The plurality of insect attracting lamps (5) are all located inside the annular pipe (14). A plurality of back-blowing pipe heads (15) that all cooperate with the high-voltage power grid (6) are connected and fixed to the outer side of the annular pipe (14) at equal intervals in a ring shape. Two insulating guide rods (13) are fixedly connected between the bottom of the annular pipe (14) and the top of the plug board (10). The high-voltage power grid (6) is movably sleeved on the outer sides of the two insulating guide rods (13).

3. The variable-light insect-trapping and pest-killing device according to claim 1, characterized in that: The insect collecting assembly includes an annular support plate (201) fixedly sleeved on the outer bottom of the cylinder (2). The bottom of the annular support plate (201) is fixedly connected to an annular male magic tape. The bottom of the annular male magic tape is adhesively bonded to an annular female magic tape. The bottom of the annular female magic tape is fixedly connected to a breathable cloth bag (202). The plug board (10) is located inside the breathable cloth bag (202).

4. The variable-light insect-trapping and pest-killing device according to claim 1, characterized in that: An L-shaped fixing seat is fixedly connected to the top of the loop-shaped base (1).

5. The variable-light insect-trapping and pest-killing device according to claim 1, wherein: A storage battery is fixedly installed on the bottom inner wall of the loop-shaped base (1). The air pump (8), the timing controller (9), the insect attracting lamps (5), the high-voltage power grid (6) and the reciprocating electric push rod (11) are all electrically connected to the storage battery.

6. The variable-light insect-trapping and pest-killing device according to claim 1, characterized in that: An insulating guide sleeve (12) is embedded and fixed on the bottom inner wall of the high-voltage power grid (6). And the insulating guide sleeve (12) is movably sleeved on the outer side of the extending end of the reciprocating electric push rod (11).

7. The variable-light insect-trapping and pest-killing device according to claim 1, wherein: The plurality of insect attracting lamps (5) are respectively yellow light lamps, blue light lamps, green light lamps and black mercury lamps. The opening and closing times of the plurality of insect attracting lamps (5) succeed each other in turn.