WO2016202022A1

WO2016202022A1 - Heating device of mosquito repellent bracelet and mosquito repellent bracelet based on o2o health management

Info

Publication number: WO2016202022A1
Application number: PCT/CN2016/076184
Authority: WO
Inventors: 张贯京; 陈兴明; 葛新科
Original assignee: 深圳市华科安测信息技术有限公司
Priority date: 2015-06-18
Filing date: 2016-03-12
Publication date: 2016-12-22
Also published as: CN204795637U

Abstract

A mosquito repellent bracelet based on O2O health management comprises a bracelet body (10), and a heating device (20), a repellent storage unit (30), a power button (70), a micro control unit (40), a mosquito repellent low concentration indicator (50), a USB interface (80), a rechargeable battery (90) and a circuit switch indicator (60) disposed on the bracelet body (10). The repellent storage unit (30) is used to store a mosquito repellent. The heating device (20) is used to provide heat to the repellent storage unit (30). The bracelet is capable of preventing mosquito bite in an outdoor environment, is power-saving, environmentally friendly, and harmless to human health, and is capable of improving health and life quality of people.

Description

Anti-mosquito bracelet heating device and anti-mosquito bracelet based on O2O health management

Technical field

The utility model relates to a wristband, in particular to a heating device for an anti-mosquito bracelet and an anti-mosquito bracelet based on O2O health management.

Background technique

Summer is here, mosquitoes are getting more and more, and everywhere, seriously affecting people's normal rest and life. When people are at home, because there are mosquito-repellent tools such as electric mosquito-repellent incense and mosquito-killing lamps, they can alleviate some mosquitoes. But when people go out for a walk in the evening or at night, they can’t do anything about mosquitoes in the outdoor environment because of electric mosquito coils. Anti-mosquito tools such as mosquito killers need to use the sockets in the home to prevent mosquitoes. In the outdoor environment, they cannot be continuously and evenly heated to achieve the effect of mosquito repellent, and most of the anti-mosquito bracelets on the market today are disposable. The product causes certain irritation to the skin of the wearer's wrist. Some anti-mosquito substances may even remain on the surface of the wearer's skin, and the penetration of the human skin may endanger the health of the wearer.

Based on this, it is necessary to provide an anti-mosquito bracelet based on O2O health management to meet the needs of mosquito bites in outdoor environments, and energy saving and environmental protection and harm to human health.

Utility model content

The main purpose of the utility model is to provide an anti-mosquito bracelet based on O2O health management, which aims to achieve long-lasting effect, energy saving and environmental protection and harmless to human health.

In order to achieve the above object, the present invention provides a heating device for an anti-mosquito bracelet, which comprises a heating wire, a heat transfer wire, a sponge tissue and a support frame:

The heating wire is used for heating to generate heat;

The heat transfer wire is disposed perpendicular to a horizontal plane of the heating wire for transferring heat generated by heating the heating wire to the sponge tissue;

The sponge tissue comprises two sponge bodies for absorbing and storing the mosquito repellent liquid;

The support frame includes two support portions disposed at an angle, and a fixing portion connected to the support portion and located below the support portion:

The supporting portion is configured to support the heating wire, the heating wire is located at a position where the two supporting portions intersect; the fixing portion is used for fixing the supporting portion;

The mounting portion is fixedly connected to the support portion, and an upper surface of the mounting portion is fixedly connected to a bottom of the fixing portion.

Preferably, the heating wire is a heating wire, and the heating wire is provided in one or more pieces.

Preferably, the heat transfer wire comprises at least two capillary wires; the capillary wire is evenly distributed between the two sponge bodies, and both ends of each of the capillary wires penetrate the two sponge bodies.

Preferably, each of the capillary wires has a ring shape, and the heating wire is located at a center position of the annular capillary wire.

Preferably, the sponge tissue is disposed parallel to a horizontal plane in which the heating wire is located.

Preferably, the material of the mounting portion is ultrafine glass wool and/or high silica wool for blocking heat generated by the heating wire.

Preferably, the mounting portion is in the shape of a rectangular parallelepiped, and the length of the mounting portion matches the length of the sponge tissue.

In addition, in order to achieve the above object, the present invention further provides an anti-mosquito bracelet based on O2O health management, the anti-mosquito bracelet based on O2O health management includes a wristband body, further including the heating device, and setting a medicine storage unit, a power button, a micro control unit, a low concentration indicator for mosquito repellent liquid, a USB interface, a rechargeable battery, and a circuit switch indicator on the body of the wristband:

The drug storage unit is configured to store a mosquito repellent liquid, and the drug storage unit includes an adsorption portion, a mosquito repellent liquid adsorbed in the adsorption portion, and a coating portion coated on an outer side of the adsorption portion;

The heating device is configured to provide heat to the drug storage unit;

The power button is configured to control an operating state of the wristband body;

The micro control unit is configured to control a circuit board of the wristband body to control the heating device to heat the drug storage unit;

The USB interface is configured to charge a rechargeable battery of the wristband body through a connecting line;

The low concentration indicator of the mosquito repellent liquid is used for prompting when the stock of the mosquito repellent liquid is below a threshold;

The circuit switch indicator light is used to indicate an operating state of the wristband body.

The anti-mosquito bracelet based on O2O health management includes a wristband body, and a heating device, a drug storage unit, a power button, a micro control unit, a low concentration indicator for mosquito repellent liquid, a USB interface, and a set on the body of the wristband. a rechargeable battery and a circuit switch indicator lamp: the drug storage unit is configured to store the mosquito repellent liquid; the heating device is configured to supply heat to the drug storage unit; the power button is used to control the working state of the wristband body; and the micro control unit is used for Controlling a circuit board of the wristband body to control the heating device to heat the drug storage unit; a USB interface for charging a rechargeable battery of the wristband body through a connecting line; a low concentration indicator of a mosquito repellent liquid is used for Prompting when the inventory of the mosquito repellent liquid is below a threshold; the circuit switch indicator light is used to indicate the working state of the wristband body. The anti-mosquito bracelet of the utility model can prevent mosquito bites in an outdoor environment, and can achieve energy-saving, environmental protection and harmlessness to human health, improve people's health and improve people's quality of life.

DRAWINGS

1 is a schematic structural view of a heating device for an anti-mosquito bracelet of the present invention;

2 is a schematic diagram of functional modules of a first embodiment of an anti-mosquito bracelet based on O2O health management according to the present invention;

FIG. 3 is a schematic structural view of a first embodiment of an anti-mosquito bracelet based on O2O health management according to the present invention.

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a heating device for an anti-mosquito bracelet.

Referring to Figure 1, Figure 1 is a schematic view showing the structure of a heating device for an anti-mosquito bracelet of the present invention.

In this embodiment, as shown in FIG. 1, the heating device of the anti-mosquito bracelet includes a heating wire 202, a heat transfer wire 203, a sponge tissue 204, and a support frame 201:

The heating wire 202 is used for heating to generate heat;

The heat transfer wire 203 is disposed perpendicular to the horizontal plane of the heating wire, for transferring heat generated by heating the heating wire 202 to the sponge tissue 204;

The sponge tissue 204 includes two sponge bodies for absorbing and storing the mosquito repellent liquid;

The support frame 201 includes two support portions 2011 disposed at an angle, and a fixing portion 2012 connected to the support portion and located below the support portion:

The support portion 2011 is for supporting the heating wire 202, and the heating wire 202 is located at a position where the two supporting portions 2011 intersect; the fixing portion 2012 is for fixing the supporting portion 2011.

The mounting portion is fixedly coupled to the support portion 2011, and an upper surface of the mounting portion is fixedly coupled to a bottom portion of the fixing portion 2012.

Specifically, the heating device includes a heating wire 202, a heat transfer wire 203, a sponge tissue 204, and a support frame 201: the heating wire 202 is a heating wire, and the number of the heating wires may be one or more, that is, the heating wire 202 may be one or more The heating wire, the thickness of the heating wire is not particularly limited; the heating wire 202 is used to generate heat required for the mosquito body and mosquito repellent activity of the wrist body 10 after heating; the heat transfer wire 203 includes at least two capillary wires, capillary The wire is used to transfer the heat generated by heating the heating wire 202 to the sponge tissue 204, and the capillary wire is evenly distributed between the two sponge bodies, and the ends of each capillary wire penetrate the inside of the two sponge bodies, and There is no need to pass through the upper and lower surfaces of the two sponge bodies, and the top view of the capillary wires passing through the two sponge bodies has an annular structure; the heating wire 202 is located at the center of the annular capillary wire. The heat transfer wire 203 is disposed perpendicular to the horizontal plane where the heating wire 202 is located. .

Specifically, the sponge tissue 204 includes two sponge bodies for absorbing and storing the mosquito repellent liquid, and the sponge tissue 204 is disposed parallel to the horizontal plane where the heating wire 202 is located, since both ends of the capillary wire penetrate through the solid interior of the two sponge bodies. The upper and lower layers, when the heating wire 202 generates heat, the heat is transmitted to the upper and lower layers of the inner body of the two sponge bodies through a plurality of capillary wires, so that the two sponge bodies obtain uniform heat, and at this time, the sponge body absorbs and The stored mosquito repellent liquid obtains a certain amount of heat. When the heat exceeds the preset volatilization temperature threshold of the mosquito repellent liquid, the mosquito repellent liquid volatilizes, and the mosquito repellent bracelet performs mosquito repellent work; when the heat generated by the heating wire 202 is insufficient to exceed the flooding When the mosquito liquid has a preset volatilization temperature threshold, the mosquito repellent liquid does not volatilize, and the mosquito repellent bracelet cannot perform mosquito repellent work.

Specifically, the support frame 201 includes two support portions 2011 disposed at an angle, and a fixing portion 2012 connected to the support portion 2011 and located under the support portion 2011. The support frame 201 is used for supporting the heating wire 202, and the support portion 2011 is fixed below. In the department 2012, the two are connected, and the heating wire 202 is located at a position where the two supporting portions 2011 intersect; the fixing portion 2012 is used to fix the supporting portion 2011, and the number of the supporting frames 201 may be one or more, and the actual length of the heating wire 202 Match.

The heating device also includes a mounting portion 205:

Specifically, the material of the mounting portion 205 of the mounting portion 205 for heating the wire 202 is ultrafine glass wool and/or high silica wool, the mounting portion 205 has a rectangular parallelepiped shape, and the length of the mounting portion 205 matches the length of the sponge tissue 204; The bottom of the fixing portion 2012 is fixedly connected to the upper surface of the mounting portion 205. The mounting portion 205 is used for fixing the support frame 201, and blocks part of the heat generated by the heating wire 202 from being transmitted to the skin contact surface of the wrist body 10 and the wrist of the user. Preventing burns to the user's skin; since the material of the mounting portion 205 is ultra-fine glass wool and/or high silica wool, the user's discomfort during the use of the mosquito repellent bracelet is effectively solved, and the user is improved. Experience.

The heating device of the anti-mosquito bracelet of the present invention comprises a heating wire 202, a heat transfer wire 203, a sponge structure 204 and a support frame 201; the heating wire 202 is used for heating to generate heat; the heat transfer wire 203 is perpendicular to the horizontal plane of the heating wire. Provided to transfer heat generated by heating the heating wire 202 to the sponge tissue 204; the sponge tissue 204 includes two sponge bodies for absorbing and storing the mosquito repellent liquid; the support frame 201 includes two support portions 2011 disposed at an angle And a fixing portion 2012 connected to the support portion 2011 and located under the support portion 2011: the support portion 2011 is for supporting the heating wire 202, and the heating wire 202 is located at a position where the two supporting portions 2011 intersect; The fixing portion 2012 is for fixing the support portion 2011. The utility model relates to an anti-mosquito bracelet heating device 20 based on O2O health management, which can efficiently and energy-savingly generate and transfer heat to the medicine storage unit 30, and can meet the anti-mosquito bite effect of the mosquito-proof bracelet in an outdoor environment, and improves the effect. People's health improves the quality of people's lives.

The utility model also provides an anti-mosquito bracelet based on O2O health management.

Referring to Figures 2 and 3, Figure 2 The utility model is a schematic diagram of the functional module of the first embodiment of the anti-mosquito bracelet based on the O2O health management of the utility model; and FIG. 3 is a schematic structural view of the first embodiment of the anti-mosquito bracelet based on the O2O health management of the utility model.

In this embodiment, the anti-mosquito bracelet includes a wristband body 10, and further includes a heating device 20, and a medicine storage unit 30, a power button 70, a micro control unit 40, and a mosquito repellent liquid disposed on the wristband body 10. Low concentration indicator light 50, USB interface 80, rechargeable battery 90, and circuit switch indicator light 60:

The drug storage unit 30 is configured to store a mosquito repellent liquid, and the drug storage unit includes an adsorption portion, a mosquito repellent liquid adsorbed in the adsorption portion, and a coating portion coated on an outer side of the adsorption portion;

The heating device 20 is configured to provide heat to the drug storage unit 30;

The power button 70 is configured to control an operating state of the wristband body 10;

The micro control unit 40 is used to control the circuit board of the wristband body 10 to control the heating device 20 to heat the drug storage unit 30;

The USB interface 80 is configured to charge the rechargeable battery 90 of the wristband body 10 through a connecting line;

The mosquito repellent liquid low concentration indicator lamp 50 is configured to prompt when the inventory of the mosquito repellent liquid is below a threshold;

The circuit switch indicator light 60 is used to indicate the working state of the wristband body 10.

The heating device 20 includes a heating wire 202, a heat transfer wire 203, a sponge tissue 204, and a support frame 201:

The heating wire 202 is used for heating to generate heat;

The support frame 201 includes two support portions 2011 disposed at an angle, and a fixing portion 2012 connected to the support portion 2011 and located below the support portion 2011:

Specifically, the drug storage unit 30 is configured to store the mosquito repellent liquid, and the drug storage unit 30 includes an adsorption portion, a mosquito repellent liquid adsorbed in the adsorption portion, and a coating portion coated on the outer side of the adsorption portion, and the mosquito repellent liquid It may be a mosquito repellent substance containing an active ingredient, such as a composition of trimethoprim and acryl pyrethrum, and the presence of a mosquito repellent substance helps to remove or repel mosquitoes. Of course, in this embodiment, the mosquito repellent substance may be in the form of microcapsules. Or the preparation, even if the concentration of the active ingredient of the mosquito repellent substance is low during use, the mosquito repellent protection effect can be provided, and the mosquito repellent protection time is prolonged. The material of the adsorption portion may be a sponge body and/or a sponge structure 204 for adsorbing the mosquito repellent liquid, and the adsorption portion may also be other light and elastic water absorbing materials for absorbing mosquito repellent liquid or mosquito repellent substances. When the temperature exceeds the preset temperature, the mosquito repellent liquid or the mosquito repellent substance will volatilize from the water absorbing material to achieve the mosquito repellent effect; due to the presence of the water absorbing material, the mosquito repellent liquid will not be in the liquid or other form in the drug storage unit 30. The internal flow or mixing avoids the waste of the mosquito repellent liquid; the shape of the adsorption portion is a sheet shape for absorbing and storing the mosquito repellent liquid. The covering portion is wrapped on the outer side of the adsorption portion, and the size is matched with the adsorption portion. The covering portion may be a cover, and the outer cover may be a polymer waterproof and breathable material for volatilizing the smell of the mosquito repellent liquid and preventing The mosquito repellent liquid is spilled.

Specifically, the heating device 20 is configured to supply heat to the drug storage unit 30. The heating device 20 includes a heating wire 202, a heat transfer wire 203, a sponge tissue 204, and a support frame 201: the heating wire 202 is used for heating to generate a bracelet. The heat of the body 10 for mosquito and mosquito repellent activities; the heat transfer wire 203 is disposed perpendicular to the horizontal plane of the heating wire for transferring heat generated by heating the heating wire 202 to the sponge tissue 204; the sponge tissue 204 includes two sponge bodies For absorbing and storing the mosquito repellent liquid; the support frame 201 includes two support portions 2011 disposed at an angle, and a fixing portion 2012 connected to the support portion 2011 and located below the support portion 2011: the support portion 2011 is for supporting the The heating wire 202 is located at a position where the two supporting portions 2011 intersect; the fixing portion 2012 is for fixing the supporting portion 2011; the heating device 20 further includes a mounting portion 205 for fixing the supporting frame 201, and the heat generated by the blocking heating wire 202 is transmitted to the skin contact surface of the wrist body 10 and the wrist of the user, and the storage unit can be satisfied in real time due to the presence of the heating device 20. The normal operation of the 30 mosquito repellent work provides the user with a healthy, safe and mosquito-free environment.

Specifically, the power button 70 is used to control the working state of the wristband body 10. When the user finishes using the mosquito repellent bracelet, the power button 70 can be manually turned off; when the user needs to use the mosquito repellent bracelet, When the mosquito repellent bracelet is about to work, the power button 70 can be manually turned on; the position of the power button 70 is set inside the wristband body 10 to prevent the user from turning off the power caused by the accidental touch of the power button 70 during use. Affect the normal mosquito repellent work of the user.

Specifically, the micro control unit 40 is configured to control the circuit board of the wristband body 10 to control the heating device 20 to heat the medicine storage unit 30; the micro control unit 40 is configured to control the heating device 20 according to the temperature value. When the temperature value of the drug storage unit 30 is lower than a preset threshold, the micro control unit 40 controls the heating wire 202 of the heating device 20 to generate heat, and the heat transfer wire 203 transfers the heat generated by the heating wire 202 to the sponge of the drug storage unit 30. Wherein, the heat required for the mosquito repellent liquid volatilization and mosquito repellent activity is satisfied; when the temperature value of the drug storage unit 30 reaches or exceeds a preset threshold, the micro control unit 40 controls the heating wire 202 of the heating device 20 to stop generating heat, The heat transfer wire 203 no longer transfers heat to the sponge of the drug storage unit 30. Specifically, the USB interface 80 is used to charge the rechargeable battery 90 of the wristband body 10 through the connecting line, thereby achieving the effect of multiple use and recycling.

Specifically, the low concentration indicator light 50 of the mosquito repellent liquid is used for prompting when the stock of the mosquito repellent liquid is lower than the threshold value, and the low concentration indicator light 50 of the mosquito repellent liquid can also be used for prompting the concentration of the mosquito repellent liquid; the mosquito repellent liquid The color of the low-concentration indicator lamp 50 may be other colors than red, such as green, yellow, purple, etc.; since the active ingredient of the mosquito repellent substance is trimethoprim and/or propylene pyrethrum, trimethoprim Flumeththrin and/or propylene pyrethrum can help to remove or drive out mosquitoes in a room or outdoor environment. Of course, in this embodiment, the mosquito repellent substance may be in the form or preparation of microcapsules, even if the active ingredient concentration of the mosquito repellent substance is used. Lower, it can still provide mosquito repellent protection and prolong mosquito repellent protection time. However, when the mosquito repellent liquid concentration is lower than the preset concentration, the micro control unit 40 controls the mosquito repellent liquid low concentration indicator lamp 50 to illuminate, and the color of the light is yellow; when the mosquito repellent liquid concentration is not lower than the preset value At the concentration, the micro control unit 40 does not control the mosquito repellent liquid low concentration indicator light 50 to illuminate.

Specifically, the circuit switch indicator light 60 is used to indicate the working state of the wristband body 10; the circuit switch can be a red indicator light. When the wristband body 10 starts to work, the micro control unit 40 controls the circuit switch indicator light 60 to be turned on. The color is red. When the wristband body 10 finishes working, the micro control unit 40 controls the circuit switch indicator light 60 to be turned off; the circuit switch indicator light 60 can be disposed on one side of the micro control unit 40. It may be the left side or the right side, but it is symmetrical with the position where the mosquito-repellent liquid low-concentration indicator lamp 50 is set, and cannot be disposed on the same side. Prevent users from misjudge the color of the indicator light and affect the user's mosquito repellent and anti-mosquito work.

The anti-mosquito bracelet based on the O2O health management of the embodiment includes a wristband body 10, and a heating device 20, a drug storage unit 30, a power button 70, a micro control unit 40, and a mosquito repellent set on the wristband body 10. The liquid low-concentration indicator lamp 50, the USB interface 80, the rechargeable battery 90, and the circuit switch indicator lamp 60: the drug storage unit 30 is configured to store the mosquito repellent liquid; the heating device 20 is configured to supply heat to the drug storage unit 30; and the power button 70 For controlling the working state of the wristband body 10; the micro control unit 40 is configured to control the circuit board of the wristband body 10 to control the heating device 20 to heat the medicine storage unit 30; the USB interface 80 is used for Charging the rechargeable battery 90 of the wristband body 10 through a connecting line; the mosquito repellent liquid low concentration indicator light 50 is used to prompt when the inventory of the mosquito repellent liquid is below a threshold; the circuit switch indicator light 60 is used to indicate The working state of the wristband body 10 is described. The anti-mosquito bracelet based on O2O health management can prevent mosquito bites in an outdoor environment, and can achieve energy-saving, environmental protection and harmless to human health, improve people's health and improve people's quality of life.

Based on the first embodiment of the anti-mosquito bracelet based on O2O health management of the present invention, in the second embodiment of the anti-mosquito bracelet based on O2O health management, the outer surface of the wristband body 10 corresponds to An opening is provided at a portion of the drug storage unit 30, and an upper cover matching the opening is provided on the opening, and when the upper cover is opened, the mosquito repellent liquid is replenished to the drug storage unit 30 through the opening. Specifically, the outer surface of the wristband body 10 is provided with an opening, and the position of the opening corresponds to a portion of the medicine storage module. The number of the openings may be one or more, and the upper cover is matched with the opening on the opening. When the user is in the process of using, the problem of insufficient stock of mosquito repellent liquid is often encountered, resulting in unsustainable and complete mosquito repellent, which affects people's normal use. Due to the presence of the opening, one can open the drug to the drug storage module through the opening. Replenishing mosquito repellent liquid, achieving the effect of repeated use and utilization, avoiding the possibility that the mosquito repellent bracelet becomes a one-time consumable; avoiding the mosquito repellent liquid spilling into the external environment during use due to the presence of the upper cover, Cause environmental pollution.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the patents of the present invention. Any equivalent structure or equivalent flow transformation made by the specification and the drawings of the present invention may be directly or indirectly applied to other related The technical fields are all included in the scope of patent protection of the present invention.

Claims

A heating device for an anti-mosquito bracelet, characterized in that the heating device comprises a heating wire, a heat transfer wire, a sponge tissue, a support frame and a mounting portion:

The heating wire is used for heating to generate heat;

The heat transfer wire is disposed perpendicular to a horizontal plane of the heating wire for transferring heat generated by heating the heating wire to the sponge tissue;

The sponge tissue comprises two sponge bodies for absorbing and storing the mosquito repellent liquid;

The support frame includes two support portions disposed at an angle, and a fixing portion connected to the support portion and located below the support portion:

The supporting portion is configured to support the heating wire, the heating wire is located at a position where the two supporting portions intersect; the fixing portion is used for fixing the supporting portion;

The mounting portion is fixedly connected to the support portion, and an upper surface of the mounting portion is fixedly connected to a bottom of the fixing portion.
A heating device for an anti-mosquito bracelet according to claim 1, wherein said heating wire is a heating wire, and said heating wire is one or more.
A heating device for an anti-mosquito bracelet according to claim 1, wherein said heat transfer wire comprises at least two capillary wires; said capillary wires are evenly distributed between two sponge bodies, each of said capillary wires Both ends penetrate through the two sponge bodies.
The anti-mosquito bracelet heating apparatus according to claim 1, wherein each of the capillary wires has a ring shape, and the heating wire is located at a center position of the annular capillary wire.
The anti-mosquito bracelet heating apparatus according to claim 1, wherein said sponge tissue is disposed parallel to a horizontal plane in which said heating wire is located.
The anti-mosquito bracelet heating device according to claim 1, wherein the mounting portion is made of ultrafine glass wool and/or high silica wool for blocking heat generated by the heating wire.
The anti-mosquito bracelet heating device according to claim 6, wherein the mounting portion has a rectangular parallelepiped shape, and the length of the mounting portion matches the length of the sponge tissue.
An anti-mosquito bracelet based on O2O health management, characterized in that the mosquito-repellent bracelet comprises the heating device of claim 1, the mosquito-repellent bracelet further comprising a bracelet body, and is set in the The medicine storage unit, the power button, the micro control unit, the low concentration indicator of the mosquito repellent liquid, the USB interface, the rechargeable battery and the circuit switch indicator on the body of the wristband:

The drug storage unit is configured to store a mosquito repellent liquid, and the drug storage unit includes an adsorption portion, a mosquito repellent liquid adsorbed in the adsorption portion, and a coating portion coated on an outer side of the adsorption portion;

The heating device is configured to provide heat to the drug storage unit;

The power button is configured to control an operating state of the wristband body;

The micro control unit is configured to control a circuit board of the wristband body to control the heating device to heat the drug storage unit;

The USB interface is configured to charge a rechargeable battery of the wristband body through a connecting line;

The low concentration indicator of the mosquito repellent liquid is used for prompting when the stock of the mosquito repellent liquid is below a threshold;

The circuit switch indicator light is used to indicate an operating state of the wristband body.