CN213695410U

CN213695410U - Automatic mosquito killer

Info

Publication number: CN213695410U
Application number: CN202022252376.5U
Authority: CN
Inventors: 韦作辉; 孙太喜; 罗建荣
Original assignee: Shenzhen Btk Technology Co ltd
Current assignee: Shenzhen Btk Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-16
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to an automatic mosquito killer, which comprises a housin, the PCB board, smell inductive probe, generate heat board and electric plug, the PCB board sets up in the casing, be provided with control circuit on the PCB board, control circuit includes master control IC and switch at least, master control IC has a plurality of pins, one of them pin is connected to the board that generates heat through the switch, smell inductive probe is connected to another pin, smell inductive probe gathers the smell information in the air, and change the smell information of gathering into electric signal transmission to master control IC, master control IC analyzes the back, to switch transmission control signal, the break-make of control switch, and the work of the board that generates heat through switch control. Through setting up smell inductive probe, smell inductive probe gathers the smell in the air to when the smell exceedes the threshold value, main control IC passes through the switch and cuts off the power supply to the board that generates heat, thereby, automatic mosquito killer can realize automatic work, cuts off the power supply when the smell is great, avoids the human body to produce uncomfortable sense, prolongs the operating time of mosquito-repellent incense piece simultaneously.

Description

Automatic mosquito killer

Technical Field

The application relates to the field of mosquito killers, in particular to an automatic mosquito killer.

Background

People are often plagued by mosquitoes, and mosquito eradication devices are common household devices. The mosquito incense is used for killing mosquitoes in the past, and when the mosquito incense is used, the mosquito incense needs to be taken by hands and then ignited, but the mosquito incense has large smell and needs to be washed by hands after being ignited every time. Mosquito killers have now been used instead. Current mosquito killer all adopts plug-in formula, inserts the commercial power, opens the switch after, as long as the user does not initiatively close the mosquito killer switch, then the work of mosquito killer not time-limited, this just leads to having mosquito-repellent incense piece/mosquito-repellent incense liquid to be toasted always, on the one hand, has reduced the life of mosquito-repellent incense piece/mosquito-repellent incense liquid, and on the other hand can have the phenomenon of smell rich always owing to toasting always, causes negative effects to the human body easily.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to work when not limiting to the mosquito killer for mosquito-repellent incense piece/mosquito-repellent incense liquid is toasted always, has the phenomenon of smell excessively strong, causes the problem of negative effect to the human body easily, provides an automatic mosquito killer.

An automatic mosquito killer comprises a shell, a PCB (printed circuit board), a smell sensing probe, a heating plate and an electric plug, wherein the PCB is arranged in the shell, a control circuit is arranged on the PCB, the smell sensing probe, the heating plate and the electric plug are connected to the control circuit, at least part of the smell sensing probe extends out of the shell, the heating plate is arranged on the shell and is used for heating mosquito-repellent incense pieces, and the electric plug is connected to a mains supply to take electricity for the control circuit;

the control circuit at least comprises a main control IC and a switcher, wherein the main control IC is provided with a plurality of pins, one pin is connected to the heating plate through the switcher, the smell sensing probe is connected to the other pin, the smell sensing probe collects smell information in the air and converts the collected smell information into an electric signal to be transmitted to the main control IC, and the main control IC transmits a control signal to the switcher after analysis to control the on-off of the switcher and controls the work of the heating plate through the switcher.

In one embodiment, the switch is an MOS transistor, and the main control IC analyzes the electrical signal transmitted by the odor sensing probe, generates a level control signal, and turns on the MOS transistor through the level control signal, thereby cutting off power supply to the heating panel.

In one embodiment, the switch is also a relay, and when the odor sensing probe senses that the odor emitted by the mosquito-repellent incense sheets is too strong, the master control IC controls the relay to cut off the power supply to the heating plate.

In one embodiment, the control circuit further includes a mode control switch, the mode control switch is connected to the main control IC, and the main control IC controls the on/off of the switch in response to a signal of the mode control switch.

In one embodiment, the mode control switch is coupled to the odor sensing probe, and the master IC controls the odor sensing probe to be connected with or disconnected from a signal transmission path of the master IC in response to a signal of the mode control switch.

In one embodiment, the mode control switch has a long-time operation mode, a timed operation mode, and an automatic operation mode, wherein,

when the mode control switch is switched to a long-time working mode, the main control IC does not respond to the control of the odor induction probe any more;

when the mode control switch is switched to a timing working mode, the master control IC generates a control signal after reaching preset time, and cuts off the power supply of the heating plate;

when the mode control switch is switched to an automatic working mode, the main control IC responds to the control of the smell sensing probe, and the smell sensing probe controls the on-off of the switcher.

In one embodiment, the housing is provided with a through hole corresponding to the odor sensing probe, and the odor sensing probe at least partially penetrates through the through hole and extends out of the housing;

the smell sensing probe is fixedly connected with the shell, corresponds to the through hole and is surrounded with the shell to form an accommodating groove, the part of the smell sensing probe extending out of the shell is accommodated in the accommodating groove, at least one first hollow hole is formed in the protecting fence, and the accommodating groove is communicated with the outside through the first hollow hole.

In one embodiment, the heating device further comprises a fixing frame, the fixing frame is fixedly connected to the shell, a groove is formed in the fixing frame, and the heating plate is arranged in the groove.

In one embodiment, the fixing frame comprises a bottom plate and a baffle plate, the bottom plate is fixedly connected to the baffle plate, at least a part of the bottom plate and the baffle plate is provided with a preset gap, an access passage is formed between the bottom plate and the baffle plate, the groove is communicated with the access passage, and when the heating plate is arranged in the groove, mosquito-repellent incense pieces are placed in the access passage and are in contact with the heating plate.

In one embodiment, the outer side wall of the shell is further provided with a placing groove, and the placing groove is used for placing the mosquito-repellent incense.

Above-mentioned automatic mosquito killer, through setting up smell inductive probe, smell inductive probe gathers the smell in the air to when the smell surpassed the threshold value, main control IC passed through the switch and cuts off the power supply to the board that generates heat, thereby, automatic mosquito killer can realize automatic work, cuts off the power supply when the smell is great, avoids the human body to produce uncomfortable and feels, prolongs the operating time of mosquito-repellent incense piece simultaneously.

Drawings

FIG. 1 is a schematic view of an automatic mosquito killer according to an embodiment of the present application;

FIG. 2 is another schematic view of an automatic mosquito killer according to an embodiment of the present application;

FIG. 3 is a schematic diagram of an exploded view of an automatic mosquito killer according to an embodiment of the present application;

fig. 4 is an exploded view of a holder of an automatic mosquito killer according to an embodiment of the present application;

fig. 5 is a schematic diagram of a frame structure of a control circuit of an automatic mosquito killer according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a schematic structural diagram of an automatic mosquito killer 10 according to an embodiment of the present application is exemplarily shown, where the automatic mosquito killer 10 includes a housing 110, a PCB 120, a smell sensing probe 130, a heating plate 140 and an electrical plug 150, the PCB 120 is disposed in the housing 110, a control circuit is disposed thereon, the smell sensing probe 130, the heating plate 140 and the electrical plug 150 are connected to the control circuit, at least a portion of the smell sensing probe 130 extends out of the housing 110, the heating plate 140 is disposed on the housing 110 for heating mosquito coils, and the electrical plug 150 is connected to a mains supply to take electricity for the control circuit.

Referring to fig. 3, the housing 110 is a hollow structure, and a cavity is disposed in the hollow structure, the cavity is used for accommodating components such as the PCB 120, the PCB 120 is fixedly connected to the housing 110, and the odor sensing probe 130 is fixedly connected to at least one of the housing 110 and the PCB 120. For example, in the illustrated embodiment, the scent sensing probe 130 is secured to the PCB board 120.

Referring to fig. 2 and 3, the casing 110 is provided with a through hole 110a corresponding to the smell sensing probe 130, and the smell sensing probe 130 at least partially passes through the through hole 110a and extends out of the casing 110. In one or more embodiments, the odor sensor further includes a protection bar 160, the protection bar 160 is fixedly connected to the housing 110, is disposed corresponding to the through hole 110a, and forms a receiving groove with the housing 110, a portion of the odor sensor probe 130 extending out of the housing 110 is received in the receiving groove, the protection bar 160 is provided with at least one first hollow hole 160a, and the receiving groove is communicated with an external device through the first hollow hole 160 a. Through setting up protection fence 160, play the guard action to smell inductive probe 130, set up first fretwork hole 160a on protection fence 160 simultaneously, the smell inductive probe 130 of being convenient for gathers the smell information in the air.

In some embodiments, the casing 110 is provided with a fixing position, the heating plate 140 is accommodated in the fixing position, the mosquito-repellent incense sheets are arranged on the heating plate 140, and the mosquito-repellent incense sheets can be heated after the heating plate 140 is electrified.

Referring to fig. 2 to 4, in other embodiments, the heat dissipation device further includes a fixing frame 170, the fixing frame 170 is fixedly connected to the housing 110, a groove 170a is disposed on the fixing frame 170, and the heating plate 140 is disposed in the groove 170 a.

The fixing frame 170 may include a bottom plate 171 and a baffle 173, the bottom plate 171 is fixedly connected to the baffle 173, and at least a portion of the bottom plate 171 and the baffle 173 has a predetermined gap, and an access passage 170b is formed between the bottom plate 171 and the baffle 173, the groove 170a is communicated with the access passage 170b, when the heating plate 140 is disposed in the groove 170a, the mosquito-repellent incense pieces are placed in the access passage 170b and contact with the heating plate 140, so that after the heating plate 140 is powered on to generate heat, the mosquito-repellent incense pieces are baked, and the mosquito-repellent incense pieces emit odor to repel mosquitoes. In the illustrated embodiment, the access channel 170b is open at both ends, and it is understood that the access channel 170b may also be open at one end, i.e. three sides of the baffle 173 are fixed to the bottom plate 171. Through setting up mount 170, can play limiting displacement to the mosquito-repellent incense piece to a certain extent, avoid the mosquito-repellent incense piece to shift and/or drop.

Baffle 173 is last to be provided with second fretwork hole 173a to in the faster diffusion of the smell of giving off of mosquito-repellent incense piece the air, promote kill mosquito effect. For example, the second hollow hole 173a may be disposed opposite to the heat generating plate 140.

In one or more embodiments, the mount 170 may be at least partially embedded within the housing 110. For example, the case 110 may include a lower case 111 and an upper case 113, the upper case 113 is fixedly coupled to the lower case 111, the fixing frame 170 is at least partially embedded in the upper case 113, and the upper case 113 is at an end away from the ground when the automatic mosquito killer 10 is used. In a specific embodiment, the upper housing 113 and the bottom plate 171 are at least partially hollow to facilitate the wiring, and the heat generating plate 140 may be disposed corresponding to the hollow portions of the upper housing 113 and the bottom plate 171 to cover the hollow portions.

In one or more embodiments, the outer side wall of the housing 110 may be further provided with a placement groove 110b, and the placement groove 110b is used for placing the mosquito mat.

Referring to fig. 5, the control circuit at least includes a main control IC121 and a switch 123, the main control IC121 has a plurality of pins, one of the pins is connected to the heating plate 140 through the switch 123, the odor sensing probe 130 is connected to the other pin, the odor sensing probe 130 collects odor information in the air and converts the collected odor information into an electrical signal to be transmitted to the main control IC121, the main control IC121 analyzes the electrical signal, and transmits a control signal to the switch 123 to control the on/off of the switch 123, and the switch 123 controls the operation of the heating plate 140.

In a specific embodiment, the switch 123 may be a MOS transistor, and the main control IC121 generates a level control signal after analyzing the electrical signal transmitted by the odor sensing probe 130, and turns on the MOS transistor through the level control signal to cut off the power supply to the heating plate 140. For example, when the odor sensing probe 130 senses that the odor emitted from the mosquito mat is too strong, the odor sensing probe transmits an electrical signal to the main control IC121, and after the main control IC121 analyzes the electrical signal, the high level signal generates a high level signal, and the MOS transistor is turned on by the high level signal to cut off the power supply to the heating plate 140.

In other embodiments, the switch 123 may also be a relay, and when the odor sensing probe 130 senses that the odor emitted from the mosquito mat is too strong, the main control IC121 controls the relay to cut off the power supply to the heating plate 140.

Referring to fig. 2 and 5, in one or more embodiments, the control circuit further includes a mode control switch 125, the mode control switch 125 is connected to the main control IC121, and the main control IC121 controls the switch 123 to be turned on or off in response to a signal of the mode control switch 125. The mode control switch 125 is coupled to the odor sensing probe 130, and the main control IC121 responds to a signal of the mode control switch 125 to control the connection and disconnection of the signal transmission path between the odor sensing probe 130 and the main control IC 121.

In a specific embodiment, the mode control switch 125 has a long-time operation mode, a timing operation mode and an automatic operation mode, and when the mode control switch 125 is switched to the long-time operation mode, the main control IC121 no longer responds to the control of the odor sensing probe 130; when the mode control switch 125 is switched to the timing operation mode, the main control IC121 generates a control signal to cut off the power supply of the heating plate 140 after reaching a preset time; when the mode control switch 125 is switched to the automatic operation mode, the main control IC121 responds to the control of the odor sensing probe 130, and the odor sensing probe 130 controls the on/off of the switch 123.

Above-mentioned automatic mosquito killer 10, through setting up smell inductive probe 130, smell inductive probe 130 gathers the smell in the air to when the smell surpassed the threshold value, main control IC121 cuts off the power supply to board 140 that generates heat through switch 123, thereby, automatic mosquito killer 10 can realize automatic work, cuts off the power supply when the smell is great, avoids the human body to produce uncomfortable sense, prolongs the operating time of mosquito-repellent incense piece simultaneously.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic mosquito killer is characterized by comprising a shell, a PCB (printed circuit board), a smell sensing probe, a heating plate and an electric plug, wherein the PCB is arranged in the shell, a control circuit is arranged on the PCB, the smell sensing probe, the heating plate and the electric plug are connected to the control circuit, at least part of the smell sensing probe extends out of the shell, the heating plate is arranged on the shell and is used for heating mosquito-repellent incense pieces, and the electric plug is connected to a mains supply to take electricity for the control circuit;

the control circuit at least comprises a main control IC and a switcher, wherein the main control IC is provided with a plurality of pins, one pin is connected to the heating plate through the switcher, the odor induction probe is connected to the other pin, and the main control IC controls the work of the heating plate by controlling the on-off of the switcher.

2. The automatic mosquito killer of claim 1, wherein the switch is a MOS transistor.

3. The automatic mosquito killer of claim 1, wherein the switch is a relay.

4. The automatic mosquito killer of claim 1, wherein the control circuit further comprises a mode control switch connected to the master IC, the master IC controlling the on/off of the switch in response to a signal of the mode control switch.

5. The automatic mosquito killer of claim 4, wherein the mode control switch is coupled to the odor sensing probe, and the master IC controls the switching of the signal transmission path between the odor sensing probe and the master IC in response to the signal of the mode control switch.

6. The automatic mosquito killer of claim 4, wherein the mode control switch has a long-time operation mode, a timed operation mode and an automatic operation mode.

7. The automatic mosquito killer of claim 1, wherein said housing is provided with a through hole corresponding to said odor sensing probe, said odor sensing probe at least partially passing through said through hole and protruding out of said housing;

8. The automatic mosquito killer of claim 1, further comprising a fixing frame fixedly connected to the housing, wherein a groove is formed in the fixing frame, and the heating plate is disposed in the groove.

9. The automatic mosquito killer of claim 8, wherein the fixing frame comprises a bottom plate and a baffle plate, the bottom plate is fixedly connected to the baffle plate, at least a part of the bottom plate and the baffle plate is provided with a preset gap, an access passage is formed between the bottom plate and the baffle plate, the groove is communicated with the access passage, and when the heating plate is arranged in the groove, mosquito-repellent incense pieces are put into the access passage and are contacted with the heating plate.

10. The automatic mosquito killer of claim 1, wherein the outer side wall of the case is further provided with a placing groove for placing mosquito-repellent incense pieces.