CN210695615U

CN210695615U - Sticky catching type mosquito killer lamp

Info

Publication number: CN210695615U
Application number: CN201920986991.3U
Authority: CN
Inventors: 倪志军
Original assignee: Jiande Igreen Electric Appliance Co ltd
Current assignee: Jiande Igreen Electric Appliance Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-06-09
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a sticking type mosquito killer lamp, which aims to provide a sticking type mosquito killer lamp which is not only environment-friendly but also safe. The novel LED lamp tube comprises a side plate assembly and a control box, wherein the bottom end of the side plate assembly is connected with the control box, a strong adhesive plate is arranged at the top end of the side plate assembly and is in sliding connection with the side plate assembly, a grid mesh enclosure is arranged on the control box, the left end and the right end of the grid mesh enclosure are in contact with the outer edge of the side plate assembly, the top end of the grid mesh enclosure is in contact with the strong adhesive plate, the bottom end of the grid mesh enclosure is connected with the control box, the side plate assembly, the control box, the grid mesh enclosure and the strong adhesive plate form a cavity, a lamp tube is arranged in the cavity, the two ends of the lamp tube are connected with the side plate assembly, a circuit.

Description

Sticky catching type mosquito killer lamp

Technical Field

The utility model relates to a related technical field of kill mosquito especially indicates a glue formula of catching mosquito killer lamp.

Background

The mosquito killing lamp is an environment-friendly pollution-free efficient catching and killing tool black light lamp for killing mosquitoes, which is developed according to the living habits of mosquitoes, and by utilizing the habits that the mosquitoes tend to shine, move along with air flow, are sensitive to temperature and are interested in gathering, and particularly, by utilizing the habits that the mosquitoes chase carbon dioxide and seek sex pheromones. The mosquito killer lamp can be divided into an electronic mosquito killer lamp, a sticking type mosquito killer lamp and a negative pressure air flow mosquito suction lamp. The mosquito killer lamp has the characteristics of simple structure, low selling price, elegant appearance, small volume, power saving and the like. When in use, no chemical mosquito killing substance is needed, so that the mosquito killing device is a relatively environment-friendly mosquito killing mode.

The existing mosquito killer lamp is simple in structure, the mosquito killing effect is realized by depending on the active approach of mosquitoes, the mosquito killing efficiency is not high, the mosquitoes escape easily, the killing of the mosquitoes is not facilitated, the use is not convenient and effective enough, the existing mosquito killer lamp attracts the mosquitoes through the mosquito killer lamp, then the mosquitoes are killed by liquid medicine or electric shock, but the liquid medicine has certain peculiar smell or toxicity, discomfort can be brought, especially, the body of an infant is greatly damaged, the electric shock mosquito killing method is used, safety protection measures are lacked when the mosquito killer lamp is used, and the environment protection and the safety are lacked.

SUMMERY OF THE UTILITY MODEL

The utility model provides an adhesive catching type mosquito killer lamp which is not only environment-friendly but also safe, in order to overcome the problem that the mosquito killer lamp in the prior art is lack of environment protection and safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a glue formula of catching mosquito killer lamp, it includes curb plate assembly and control box, the bottom and the control box of curb plate assembly are connected, the top of curb plate assembly is equipped with powerful adhesive plate, powerful adhesive plate and curb plate assembly sliding connection, be equipped with the grid screen panel on the control box, both ends all contact with the outward flange of curb plate assembly about the grid screen panel, the top and the powerful adhesive plate of grid screen panel contact, the bottom and the control box of grid screen panel are connected, and curb plate assembly, control box, grid screen panel and powerful adhesive plate constitute a cavity, be equipped with the fluorescent tube in the cavity, the both ends of fluorescent tube all are connected with the curb plate assembly, be equipped with the circuit board in the control box, be equipped with the switch on the control box, the fluorescent tube passes through the switch and is connected with the circuit board electricity.

The bottom end of the side plate assembly is connected with the control box, a strong adhesive plate is arranged at the top end of the side plate assembly and is in sliding connection with the side plate assembly, a grid mesh enclosure is arranged on the control box, the left end and the right end of the grid mesh enclosure are in contact with the outer edge of the side plate assembly, the top end of the grid mesh enclosure is in contact with the strong adhesive plate, the bottom end of the grid mesh enclosure is connected with the control box, the side plate assembly, the control box, the grid mesh enclosure and the strong adhesive plate form a cavity, a lamp tube is arranged in the cavity, the two ends of the lamp tube are connected with the side plate assembly, a circuit board is arranged in the control box. The lamp tube emits ultraviolet rays to attract mosquitoes to enter the chamber, the mosquitoes are caught through the strong sticky plate, and when the strong sticky plate needs to be cleaned, the strong sticky plate can be pulled out from the top end, so that the purposes of environmental protection and safety are achieved.

Preferably, the cross section of the side plate assembly is U-shaped, two side plates of the side plate assembly are symmetrically distributed left and right, lamp holders are arranged on the two side plates of the side plate assembly, one of the lamp holders is electrically connected with the circuit board through a switch and connected with one end of a lamp tube, the other end of the lamp tube is sleeved with the other lamp holder, two side plates of the side plate assembly are respectively provided with a limiting plate matched with the outer edges of the left end and the right end of the grid mesh cover, the limiting plate is in contact with the grid mesh cover, the left end of the grid mesh cover is in contact with one side plate of the side plate assembly, and the right end of the grid mesh cover. The lamp tube is connected with the circuit, ultraviolet rays are emitted to attract mosquitoes, and the mosquitoes enter the cavity from the outer side through the grid mesh enclosure; the limiting plate is convenient for installing and positioning the grating net cover.

Preferably, the bottom panel of the side plate assembly is provided with a sliding groove, a mounting hole and a first baffle plate, the side plate assembly comprises a baffle II and a baffle III, the sliding groove is located at the top end of the side plate assembly, the sliding groove, the baffle I and the positioning column I are symmetrically distributed in the left-right direction, one surface of the baffle I is in contact with the grid mesh cover, the other surface of the baffle I is provided with the positioning column I, the baffle I and the positioning column I are located between the sliding groove and the side plate of the side plate assembly, the baffle III is located at the bottom end of the side plate assembly, the baffle II is located between the baffle I and the baffle III, the side surface of the baffle II is provided with the positioning column II, the positioning column III is arranged on the bottom panel of the side plate assembly, the positioning column III is located between the baffle II and the baffle III, the side plate assembly is located through the baffle II and the baffle III firstly, then is connected with the control box through the positioning column II and the. The bottom panel of the side plate assembly is provided with the sliding chutes which are symmetrical left and right, so that the powerful adhesive plate can be conveniently pulled from the top end, and the cleaning is convenient; the first positioning column facilitates the matching installation of the grid mesh enclosure and the side plate assembly, so that the positioning is faster and more accurate; the second positioning column facilitates the matching installation among the grille mesh enclosure, the control box and the side plate assembly; and the positioning column III is convenient for the matching installation of the control box and the side plate assembly.

Preferably, a first groove is formed in the first positioning column, a first through hole is formed in the bottom of the first groove, a second groove is formed in the second positioning column, a second through hole is formed in the bottom of the second groove, a third groove is formed in the third positioning column, and a third through hole is formed in the bottom of the third groove. The first groove facilitates the limiting of a first positioning pin on the grille mesh enclosure; the fastener is in threaded connection with the positioning pin I through the through hole I; the second groove facilitates the limiting of a second positioning pin on the grid mesh enclosure; the fastener is in threaded connection with the positioning pin II through the through hole II; the third groove is convenient for limiting a third positioning pin on the control box; the fastener is in threaded connection with the positioning pin through the third through hole.

Preferably, a first positioning pin matched with the first groove is arranged at the top end of the grid mesh enclosure, a first threaded hole is formed in the first positioning pin, the inner diameter of the first threaded hole is smaller than that of the first through hole, the grid mesh enclosure is in threaded connection with the side plate assembly after being positioned with the first positioning column through the first positioning pin, a second positioning pin matched with the second groove is arranged at the bottom end of the grid mesh enclosure, a second threaded hole is formed in the second positioning pin, the inner diameter of the second threaded hole is smaller than that of the second through hole, and the grid mesh enclosure is in threaded connection with the side plate assembly after. A first positioning pin at the top end of the grille net cover is arranged in the first groove, and the inner diameter of the first threaded hole is smaller than that of the first through hole, so that a fastener is in threaded connection with the first threaded hole through the first through hole; and a second positioning pin at the bottom end of the grid mesh enclosure is arranged in the second groove, and the inner diameter of the second threaded hole is smaller than that of the second through hole, so that the fastener is in threaded connection with the second threaded hole through the second through hole.

Preferably, the left side and the right side of the powerful sticky board are both provided with slide rails, the slide rails are installed in the slide grooves, the bottom ends of the slide grooves are provided with limit blocks, limit grooves matched with the limit blocks are arranged in the slide rails, turned-over edges matched with the top ends of the side plate assemblies are arranged at the top ends of the powerful sticky board and located on the first baffle plate, the bottom ends of the powerful sticky board are located on the second baffle plate, handles are arranged on the turned-over edges, and the turned-over edges are respectively contacted with the top end edges of the side. The strong adhesive plate slides in the sliding groove through the sliding rail, so that the strong adhesive plate can be pulled from the top end, and the cleaning is convenient; a limiting block at the bottom end of the sliding groove is matched with a limiting groove in the sliding rail for use and is used for positioning the strong adhesive plate; the handle on the turn-ups is convenient for the people and is followed the powerful sticky plate of top pull, and turn-ups one side contacts with the curb plate assembly, and the turn-ups contacts with the top edge of curb plate assembly and the top edge of grid screen panel respectively, does benefit to the pleasing to the eye escape rate of reducible mosquito of while of outward appearance, improves kill mosquito efficiency.

Preferably, the control box comprises a U-shaped plate, one side panel of the U-shaped plate is provided with anti-skid lines and is clamped with a baffle plate III, the other side panel of the U-shaped plate is clamped with a baffle plate II, the switch is positioned on a bottom panel of the U-shaped plate and is electrically connected with the circuit board, a limiting hole and a positioning pin III matched with a groove in a three-phase mode are arranged on the bottom panel of the U-shaped plate, the positioning pin II on the grid mesh enclosure is positioned with a positioning column II through the limiting hole and then is in threaded connection with the side plate assembly, the U-shaped plate is positioned with the positioning column III through the positioning pin III and then is in threaded connection with the side plate assembly, the left end of the U-shaped plate is contacted with one side panel of the side plate assembly, the right end of the U-shaped plate is contacted with the other side panel of the side plate assembly, the threading hole is internally provided with a power line, and the circuit board is electrically connected with the power line. The anti-skid lines enable the mosquito killer lamp to be more stably placed horizontally; one side panel of the U-shaped plate is clamped with the third baffle plate, and the other side panel of the U-shaped plate is clamped with the second baffle plate, so that the U-shaped plate is prepositioned; a positioning pin II on the grid mesh enclosure positions the U-shaped plate through the limiting hole, is positioned with the positioning column II and then is in threaded connection with the side plate assembly, and secondary positioning is achieved; the U-shaped plate is positioned by the positioning pin III and the positioning column III and then is in threaded connection with the side plate assembly, so that the U-shaped plate is fixed; the switch is connected with the circuit board in the cavity through a circuit and is used for turning on and off the mosquito killer lamp; the circuit board is located the confined cavity, does benefit to the security that increases the mosquito killer lamp, protects the human body.

The utility model has the advantages that: the lamp tube emits ultraviolet rays to attract mosquitoes to enter the chamber, and the mosquitoes are stuck and caught through the strong sticking plate, so that the lamp tube is environment-friendly and safe; when the powerful sticky plate needs to be cleaned, the powerful sticky plate can be pulled out from the top end, and the cleaning device is convenient and quick.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the construction of the side panel assembly;

FIG. 3 is an installation view of the grille guard and the U-shaped plate;

FIG. 4 is a schematic structural view of a high-power adhesive plate;

FIG. 5 is a schematic view of the chute;

FIG. 6 is a schematic structural view of a spacing groove;

FIG. 7 is an installation view of the control box and side plate assembly;

fig. 8 is a schematic structural view of a U-shaped plate.

In the figure: 1. the lamp comprises a side plate assembly, a control box, a grid mesh cover, a lamp tube, a strong adhesion plate, a lamp holder, a sliding groove, a mounting hole, a sliding rail, a limiting block, a limiting groove, a flanging, a handle, a U-shaped plate, a switch, a threading hole, a first baffle plate, a second baffle plate, a switch 16, a threading hole, a first baffle plate, a baffle plate II, a baffle plate III, a locating column I, a locating column II, a locating column III, a locating pin I, a locating pin II, a locating pin 25, a limiting hole, a locating pin III, a limiting plate 27, a first groove, a second groove, a groove III.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, the sticky trap type mosquito killer lamp comprises a side plate assembly 1 and a control box 2, wherein the bottom end of the side plate assembly 1 is connected with the control box 2, a strong adhesive plate 5 is arranged at the top end of the side plate assembly 1, the strong adhesive plate 5 is connected with the side plate assembly 1 in a sliding manner, a grid mesh enclosure 3 is arranged on the control box 2, the left end and the right end of the grid mesh enclosure 3 are both contacted with the outer edge of the side plate assembly 1, the top end of the grid mesh enclosure 3 is contacted with the strong adhesive plate 5, the bottom end of the grid mesh enclosure 3 is connected with the control box 2, the side plate assembly 1, the control box 2, the grid mesh enclosure 3 and the strong adhesive plate 5 form a cavity, a lamp tube 4 is arranged in the cavity, both ends of the lamp tube 4 are connected with the side plate assembly 1, a circuit board is arranged in.

As shown in fig. 2, the cross sectional shape of the side plate assembly 1 is a U-shape, two side plates of the side plate assembly 1 are bilaterally symmetrically distributed, two side plates of the side plate assembly 1 are all provided with a lamp holder 6, one of the lamp holders 6 is electrically connected with the circuit board through a switch 15 and is connected with one end of the lamp tube 4, the other end of the lamp tube 4 is sleeved with the other lamp holder 6, two side plates of the side plate assembly 1 are all provided with a limiting plate 27 matched with the outer edge of the left end and the right end of the grid mesh enclosure 3, the limiting plate 27 is in contact with the grid mesh enclosure 3, as shown in fig. 1, the left end of the grid mesh enclosure 3 is in contact with one side plate of the side plate assembly.

As shown in fig. 2, a sliding groove 7, a mounting hole 8, a first baffle 17, a second baffle 18 and a third baffle 19 are arranged on a bottom panel of a side plate assembly 1, the sliding groove 7 is positioned at the top end of the side plate assembly 1, the sliding groove 7, the first baffle 17 and the first positioning column 20 are respectively provided with two parts which are symmetrically distributed in the left-right direction, one surface of the first baffle 17 is contacted with a grid mesh enclosure 3, the other surface of the first baffle 17 is provided with a first positioning column 20, the first baffle 17 and the first positioning column 20 are both positioned between the sliding groove 7 and a side panel of the side plate assembly 1, the third baffle 19 is positioned at the bottom end of the side plate assembly 1, the second baffle 18 is positioned between the first baffle 17 and the third baffle 19, the side surface of the second baffle 18 is provided with a second positioning column 21, the bottom panel of the side plate assembly 1 is provided with a third positioning column 22, the positioning column 22 is positioned between the second baffle 18 and the third baffle 19, the side plate assembly 1 is limited by the first baffle 17, positioned by the first positioning column 20 and the second positioning column 21 and then connected with the grid mesh cover 3. The first positioning column 20 is provided with a first groove 28, the bottom of the first groove 28 is provided with a first through hole, the second positioning column 21 is provided with a second groove 29, the bottom of the second groove 29 is provided with a second through hole, the third positioning column 22 is provided with a third groove 30, and the bottom of the third groove 30 is provided with a third through hole.

As shown in fig. 3, a first positioning pin 23 matched with the first groove 28 is arranged at the top end of the grid mesh enclosure 3, a first threaded hole is formed in the first positioning pin 23, the inner diameter of the first threaded hole is smaller than that of the first through hole, the grid mesh enclosure 3 is in threaded connection with the side plate assembly 1 after being positioned with the first positioning column 20 through the first positioning pin 23, a second positioning pin 24 matched with the second groove 29 is arranged at the bottom end of the grid mesh enclosure 3, a second threaded hole is formed in the second positioning pin 24, the inner diameter of the second threaded hole is smaller than that of the second through hole, and the grid mesh enclosure 3 is in threaded connection with the side plate.

As shown in fig. 4, the left and right sides of the strong adhesion plate 5 are both provided with slide rails 9, the slide rails 9 are installed in the slide grooves 7, as shown in fig. 5, the bottom ends of the slide grooves 7 are provided with limit blocks 10, as shown in fig. 6, the slide rails 9 are provided with limit grooves 11 matched with the limit blocks 10. As shown in fig. 7, a flange 12 matched with the top end of the side plate assembly 1 is arranged at the top end of the strong adhesion plate 5, the flange 12 is positioned on the first baffle 17, the bottom end of the strong adhesion plate 5 is positioned on the second baffle 18, a handle 13 is arranged on the flange 12, and the flange 12 is respectively contacted with the top end edge of the side plate assembly 1 and the top end edge of the grid mesh enclosure 3.

As shown in fig. 7 and 8, the control box 2 includes a U-shaped plate 14, one side surface plate of the U-shaped plate 14 is provided with anti-skid threads and is clamped with a third baffle plate 19, the other side surface plate of the U-shaped plate 14 is clamped with a second baffle plate 18, a switch 15 is positioned on a bottom surface plate of the U-shaped plate 14, the switch 15 is electrically connected with the circuit board, a limiting hole 25 and a third positioning pin 26 matched with a third groove 30 are arranged on the bottom surface plate of the U-shaped plate 14, a second positioning pin 24 on the grille screen 3 is positioned with a second positioning column 21 through the limiting hole 25 and then is in threaded connection with the side plate assembly 1, the U-shaped plate 14 is positioned with a third positioning column 22 through the third positioning pin 26 and then is in threaded connection with the side plate assembly 1, the left end of the U-shaped plate 14 is in contact with one side surface plate of the side plate assembly 1, the right end of the U-, the circuit board is located the cavity, is equipped with through wires hole 16 on one side panel of curb plate assembly 1, is equipped with the power cord in the through wires hole 16, and the circuit board is connected with the power cord electricity.

The working principle is as follows: the lamp tube 4 is connected with a circuit, ultraviolet rays are emitted to attract mosquitoes, and the mosquitoes enter the cavity from the outer side through the grille net cover 3; the mosquito is caught by the strong sticky plate 5, and when the strong sticky plate 5 needs to be cleaned, the strong sticky plate 5 is pulled out from the top end. The mosquito killer lamp is a mosquito killing device without adopting any chemical mosquito killing substance, and is a new generation of high-efficiency environment-friendly mosquito killing instrument for absorbing foreign advanced technologies and then carrying out a plurality of technical improvements. The mosquito is an environment-friendly and pollution-free efficient trapping and killing tool which is developed by utilizing the fact that mosquitoes tend to shine, move along with airflow, are sensitive to temperature and tend to gather. When in use, no biochemical mosquito killing substance is needed, so that the mosquito killing device is a relatively environment-friendly mosquito killing mode.

Claims

1. The utility model provides a glue formula of catching mosquito killer lamp, characterized by, including curb plate assembly (1) and control box (2), the bottom and the control box (2) of curb plate assembly (1) are connected, the top of curb plate assembly (1) is equipped with powerful bonding plate (5), powerful bonding plate (5) and curb plate assembly (1) sliding connection, be equipped with grid screen panel (3) on control box (2), both ends all contact with the outward flange of curb plate assembly (1) about grid screen panel (3), the top and the powerful bonding plate (5) of grid screen panel (3) contact, the bottom and the control box (2) of grid screen panel (3) are connected, curb plate assembly (1), control box (2), grid screen panel (3) and powerful bonding plate (5) constitute a cavity, be equipped with fluorescent tube (4) in the cavity, the both ends of fluorescent tube (4) all are connected with curb plate assembly (1), the lamp tube is characterized in that a circuit board is arranged in the control box (2), a switch (15) is arranged on the control box (2), and the lamp tube (4) is electrically connected with the circuit board through the switch (15).

2. The sticky catching type mosquito killer lamp according to claim 1, wherein the cross section of the side plate assembly (1) is U-shaped, two side plates of the side plate assembly (1) are symmetrically distributed, lamp holders (6) are arranged on the two side plates of the side plate assembly (1), one of the lamp holders (6) is electrically connected with the circuit board through a switch (15) and is connected with one end of the lamp tube (4), the other end of the lamp tube (4) is sleeved with another lamp holder (6), two side panels of the side panel assembly (1) are respectively provided with a limiting plate (27) matched with the outer edges of the left end and the right end of the grid mesh enclosure (3), the limiting plate (27) is contacted with the grid mesh enclosure (3), the left end of the grid mesh enclosure (3) is contacted with one side panel of the side plate assembly (1), the right end of the grid mesh enclosure (3) is in contact with the other side panel of the side plate assembly (1).

3. The sticky catching type mosquito killer lamp according to claim 2, wherein a sliding groove (7), a mounting hole (8), a first baffle (17), a second baffle (18) and a third baffle (19) are arranged on a bottom panel of the side plate assembly (1), the sliding groove (7) is positioned at the top end of the side plate assembly (1), the sliding groove (7), the first baffle (17) and the first positioning column (20) are distributed in bilateral symmetry, one surface of the first baffle (17) is in contact with the grille net cover (3), the other surface of the first baffle (17) is provided with the first positioning column (20), the first baffle (17) and the first positioning column (20) are positioned between the sliding groove (7) and the side panel of the side plate assembly (1), the third baffle (19) is positioned at the bottom end of the side plate assembly (1), the second baffle (18) is positioned between the first baffle (17) and the third baffle (19), the side of baffle two (18) is equipped with reference column two (21), be equipped with reference column three (22) on the bottom panel of curb plate assembly (1), reference column three (22) are located between baffle two (18) and baffle three (19), curb plate assembly (1) is connected with control box (2) through locating back and locating of baffle two (18) and baffle three (19) earlier through reference column two (21) and reference column three (22), curb plate assembly (1) is connected with grid screen panel (3) through locating back and locating of baffle one (17) earlier through reference column one (20) and reference column two (21).

4. The sticky trap type mosquito killer lamp as claimed in claim 3, wherein a first groove (28) is formed in the first positioning column (20), a first through hole is formed in the bottom of the first groove (28), a second groove (29) is formed in the second positioning column (21), a second through hole is formed in the bottom of the second groove (29), a third groove (30) is formed in the third positioning column (22), and a third through hole is formed in the bottom of the third groove (30).

5. The sticky catching type mosquito killer lamp according to claim 4, wherein a first positioning pin (23) matched with the first groove (28) is arranged at the top end of the grille mesh enclosure (3), a first threaded hole is formed in the first positioning pin (23), the inner diameter of the first threaded hole is smaller than that of the first through hole, the grille mesh enclosure (3) is in threaded connection with the side plate assembly (1) after being positioned with the first positioning column (20) through the first positioning pin (23), a second positioning pin (24) matched with the second groove (29) is arranged at the bottom end of the grille mesh enclosure (3), a second threaded hole is formed in the second positioning pin (24), the inner diameter of the second threaded hole is smaller than that of the second through hole, and the grille mesh enclosure (3) is in threaded connection with the side plate assembly (1) after being positioned with the second positioning column (21) through the second positioning pin (24).

6. The sticky catching type mosquito killer lamp according to claim 3, 4 or 5, characterized in that slide rails (9) are arranged on the left side and the right side of the strong sticky plate (5), the slide rails (9) are installed in the slide grooves (7), the bottom ends of the slide grooves (7) are provided with limit blocks (10), limit grooves (11) matched with the limit blocks (10) are arranged in the slide rails (9), turned-ups (12) matched with the top end edges of the side plate assemblies (1) are arranged on the top ends of the strong sticky plate (5), the turned-ups (12) are arranged on the first baffle (17), the bottom ends of the strong sticky plate (5) are arranged on the second baffle (18), handles (13) are arranged on the turned-ups (12), and the turned-ups (12) are respectively contacted with the top end edges of the side plate assemblies (1) and the top end edges of the grids (3).

7. The sticky catching type mosquito killer lamp according to claim 4 or 5, characterized in that the control box (2) comprises a U-shaped plate (14), one side panel of the U-shaped plate (14) is provided with anti-skid threads and is clamped with a third baffle (19), the other side panel of the U-shaped plate (14) is clamped with a second baffle (18), the switch (15) is positioned on the bottom panel of the U-shaped plate (14), the switch (15) is electrically connected with the circuit board, the bottom panel of the U-shaped plate (14) is provided with a limiting hole (25) and a third positioning pin (26) matched with a third groove (30), a second positioning pin (24) on the grille mesh enclosure (3) is positioned with the second positioning column (21) through the limiting hole (25) and then is in threaded connection with the side plate assembly (1), the U-shaped plate (14) is positioned with the third positioning column (22) through the third positioning pin (26) and then is in threaded connection with the side plate assembly (1), the left end of U template (14) contacts with a side board of curb plate assembly (1), the right-hand member of U template (14) contacts with another side board of curb plate assembly (1), U template (14), baffle two (18), baffle three (19) and curb plate assembly (1) constitute a confined cavity, the circuit board is located the cavity, be equipped with through wires hole (16) on the side board of curb plate assembly (1), be equipped with the power cord in through wires hole (16), the circuit board is connected with the power cord electricity.