CN216365507U

CN216365507U - Hand warmer capable of continuously adjusting temperature

Info

Publication number: CN216365507U
Application number: CN202122392432.XU
Authority: CN
Inventors: 王宏鹤
Original assignee: Guangdong Xinqianchao Information Technology Co ltd
Current assignee: Guangdong Xinqianchao Information Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-26
Anticipated expiration: 2031-09-30
Also published as: WO2023051629A1

Abstract

The utility model provides a hand warmer capable of continuously adjusting temperature, which comprises: a main housing; the heat conduction shells are symmetrically buckled on the upper surface and the lower surface of the main shell, and heating sheets are respectively arranged between each heat conduction shell and the main shell; a battery disposed within the main housing; the circuit board is arranged in the main shell, a main chip is integrated on the circuit board, and the circuit board is provided with a first switch and a second switch for adjusting temperature; and a digital display screen; the main chip can be controlled to continuously adjust the temperature of the heating plate through the first switch and the second switch, and temperature information and electric quantity information are fed back in real time through the digital display screen.

Description

Hand warmer capable of continuously adjusting temperature

Technical Field

The utility model relates to the technical field of hand warmer products, in particular to a continuous temperature-adjustable hand warmer.

Background

Hand warmers are hand warmers commonly used by people in cold seasons such as autumn and winter. At present, hand worming treasured on the market is of a great variety, but mostly sets up a hot plate in the heating body, then adopts 220V's alternating current to charge the heating, fills the back and pulls out the power and can use, but has the weak point: the temperature of the heating plate is single and cannot be adjusted according to personal requirements of consumers, meanwhile, the temperature can be quickly reduced, if the heating plate is damaged, the heating plate cannot be continuously used, inconvenience is brought to users, the use is not safe enough, and resources are wasted. In addition, general hand warmer adopts cold-proof surface fabric to make, and inside adopts electrical heating or electric heat hot-water bottle to heat and keep warm, and general electric heating formula hand warmer's heating time is 5 to 15 minutes generally, and electromagnetic heating or electric hot-water bottle's shortcoming are that the consumption is big, have the danger of easy explosion, also can not realize the automatic control of temperature, lead to the high temperature easily, and then lead to the emergence of burn incident.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, the present invention is directed to a continuously temperature-adjustable hand warmer, which can freely and continuously adjust the temperature as required and feed back the temperature and the power information in real time.

Therefore, the utility model provides a hand warmer capable of continuously adjusting temperature, which comprises: a main housing; the heat conduction shells are symmetrically buckled on the upper surface and the lower surface of the main shell, and heating sheets are respectively arranged between each heat conduction shell and the main shell; a battery disposed within the main housing; the circuit board is arranged in the main shell, a main chip is integrated on the circuit board, and the circuit board is provided with a first switch and a second switch for adjusting temperature; and a digital display screen; the main chip can be controlled to continuously adjust the temperature of the heating plate through the first switch and the second switch, and temperature information and electric quantity information are fed back in real time through the digital display screen.

In one embodiment, the continuously temperature-adjustable hand warmer can be continuously adjusted within the range of 30-60 ℃.

In one embodiment, the first switch is connected with the main chip, and the first switch can control the continuous temperature-adjustable hand warmer to be turned on or off and can control the main chip to adjust the temperature rise of the heating plate.

In one embodiment, a power chip is further integrated on the circuit main board, the second switch is respectively connected with the power chip and the main chip, and the second switch can control the power chip to be turned on or off and can control the main chip to adjust the temperature of the heating plate to be reduced.

In one embodiment, the circuit main board is provided with a charge-discharge interface, and the charge-discharge interface is connected with the power supply chip.

In one embodiment, the circuit main board is further integrated with a first temperature sensor, a second temperature sensor and a third temperature sensor, the first temperature sensor and the second temperature sensor are respectively used for detecting the temperatures of the upper heating plate and the lower heating plate, and the third temperature sensor is used for detecting the temperature of the power supply chip.

In one embodiment, a lithium battery protection chip is further integrated on the circuit main board and used for protecting the battery.

In one embodiment, a mounting groove is formed in the surface of the main housing, the heating plate is embedded in the mounting groove, the heating plate is in compression contact with the main housing and the heat-conducting housing, and the heating plate can heat and transfer heat to the main housing and the heat-conducting housing.

In one embodiment, the integral outer contour of the main housing and the heat-conducting housing is an ellipsoid.

In one embodiment, the digital display screen is provided with a transparent protective cover that passes through the main housing and the corresponding thermally conductive housing.

Compared with the prior art, the utility model has the advantages that:

the hand warmer capable of continuously adjusting the temperature can continuously adjust the temperature and can quickly heat through the heating sheet, so that the temperature can be quickly adjusted to the required temperature, and the temperature adjusting efficiency is high. Moreover, the hand warmer capable of continuously adjusting the temperature has two functions of the hand warmer and a mobile power supply, is convenient to carry, can charge other electronic products, and is high in applicability. The hand warmer capable of continuously adjusting the temperature is uniformly heated, and the heating effect is very favorable to be enhanced. In addition, this but battery of warm hand of formula of adjusting temperature in succession is equipped with lithium electricity protection chip, and the main casing body and the material of heat conduction shell 2 are fire-retardant material, or be equipped with fire-retardant layer on its surface, but the warm hand of formula of adjusting temperature in succession prevents fires and reaches the V0 rank to can guarantee that the warm hand of formula of adjusting temperature in succession generates heat safely, the security is high.

Drawings

The utility model will now be described with reference to the accompanying drawings.

Fig. 1 shows the structure of a continuously temperature-adjustable hand warmer according to the present invention.

Fig. 2 and 3 are exploded views of the continuously variable temperature hand warmer of fig. 1 from different angles, respectively.

In the present application, the drawings are all schematic and are used only for illustrating the principles of the utility model and are not drawn to scale.

Detailed Description

The utility model is described below with reference to the accompanying drawings.

Fig. 1 shows the structure of a continuously variable temperature hand warmer 100 according to the present invention. As shown in fig. 1, the continuously temperature-adjustable hand warmer 100 includes a main housing 1, a heat-conductive housing 2 provided on an outer surface of the main housing 1, a heating sheet 3 provided between the main housing 1 and the heat-conductive housing 2, a battery 4 provided inside the main housing 1, a circuit board 5 disposed inside the main housing 1, and a digital display screen (6). A main chip 51 is integrated on the circuit board 5, and the circuit board 5 is provided with a first switch 52 and a second switch 53 for adjusting temperature. When in use, the main chip 51 can be controlled by the first switch 52 and the second switch 53 to continuously adjust the temperature of the heating plate 3, so that the hand warmer can be continuously adjusted to be stable, and the temperature information and the electric quantity information can be fed back in real time through the digital display screen 6.

The hand warmer 100 capable of continuously adjusting the temperature can be continuously adjusted within the range of 30-60 ℃. The continuously adjustable hand warmer 100 is capable of achieving a rapid heating for 3 seconds and is freely and continuously adjustable to a temperature range of 30-60 deg.C (86-140 deg.F) to rapidly reach a desired temperature.

As shown in fig. 2, the main casing 1 is configured to include two upper and

lower casings

11 and 12 that are snap-fitted together. In one embodiment, the upper housing 11 and the lower housing 12 are snap fit to form a mating connection. An internal cavity is formed inside the upper shell 11 and the lower shell 12, both the battery 4 and the circuit board 5 are arranged in the internal cavity, and the circuit board is located at one end of the battery 4.

According to the present invention, as shown in fig. 3, a mounting groove 112 is provided on the surface of the main housing 1, and the heating sheet 3 is embedded in the mounting groove 112. The heating plate 3 is connected with the main chip 51, and the heating plate 3 can be controlled to be heated or cooled through the main chip 51. Preferably, the mounting groove 112 is correspondingly provided in the middle regions of the upper and

lower cases

11 and 12. Thus, the heater chip 3 is provided on each of the upper and lower surfaces of the main casing 1.

In one embodiment, the heat conductive housing 2 is mounted outside the main housing 1 by snap fitting into a fitting engagement with the main housing 1, and the heat sheet 3 is brought into pressing contact with the main housing 1 and the heat conductive housing 2. The heating sheet 3 can be electrically heated and transfers the generated heat to the main casing 1 and the heat conductive casing 2, thereby being uniformly warmed by the outer surface of the hand warmer.

In one embodiment, the main housing 1 and/or the thermally conductive outer housing 2 are made of a flame retardant material having a flame retardant coefficient sufficient to render the continuous temperature adjustable hand warmer 100 flame resistant to a rating of V0. In yet another embodiment, a fire retardant layer is disposed on both the mounting groove 112 and the surface of the heat conductive housing 2, further fire-proofing the hand warmer 100 to a V0 level. The hand warmer provided by the utility model can safely generate heat. The hand warmer 100 product capable of continuously adjusting the temperature passes through CE, PSE, FCC and ROHS quality detection and certification, and is safe and reliable.

In order to facilitate hand warming, the external contour of the hand warmer can be designed according to human engineering. The main housing 1 can be designed, for example, as an ellipsoid which is easy to handle.

As shown in fig. 2, in one embodiment, the circuit board 5 is configured in a semicircular shape. The main chip 51 is integrated on the circuit board 5. The first switch 52 is provided on the radial side of the circuit main board 5, and is connected to the main chip connection 51. The first switch 52 can control the hand warmer 100 capable of continuously adjusting the temperature to be turned on or turned off, and can control the main chip 51 to adjust the heating sheet 3 to heat up under the turning-on state of the hand warmer 100 capable of continuously adjusting the temperature, so as to raise the temperature of the hand warmer 100 capable of continuously adjusting the temperature.

According to the present invention, a power supply chip 54 is also integrated on the circuit main board 5. The second switch 53 is also provided at the radial side portion of the circuit main board 5. Preferably, the second switches 53 and the first switches 52 are symmetrically distributed on both sides. The second switch 53 is connected with power chip 54 and main chip 51 respectively, and second switch 53 can control power chip 54 and open or close to can be under the warm hand of formula 100 of can adjusting temperature in succession open mode, control main chip 51 and adjust the cooling of heating plate 3, in order to reduce the warm hand of formula 100 of can adjusting temperature in succession.

When the power supply chip 54 is controlled to be turned on by the second switch, the hand warmer 100 capable of continuously adjusting the temperature can be used as a mobile power supply for charging electronic products such as a mobile phone, a computer, a tablet and the like.

According to the utility model, the circuit main board 5 is further provided with a charge-discharge interface 55, and the charge-discharge interface 55 is connected with the power chip 54. Preferably, the charge and discharge interface 55 is disposed between the first switch 52 and the second switch 53. The battery 4 is charged through the charge and discharge interface 55, and when the hand warmer 100 is used as a portable power source, the battery is discharged through the charge and discharge interface 55 to charge other electronic products. The charge/discharge interface 55 may be, for example, a USB Type C input/output interface.

According to the utility model, the working time of the hand warmer 100 capable of continuously adjusting the temperature is 4-8H, the charging time is 2-3H, the main chip 51 and the power chip 54 are adopted to form a double A-level battery core, the battery 4 can be circulated for more than 500 times, and the service life of the hand warmer 100 capable of continuously adjusting the temperature is ensured. From this, this but warm hand of continuous temperature regulation formula is warmed up precious 100 and is possessed two unification functions of warm hand and portable power source, has USB Type C input/output interface to can charge for cell-phone or panel computer through cooperation Type C-Usb A adapter, compatible android mobile phone and iPhone, application scope is wide.

In the present embodiment, a first through hole and a second through hole are provided on the side walls of the main casing 1 corresponding to the first switch 52 and the second switch 53, respectively. Control buttons are respectively installed in the first through hole and the second through hole, and the first switch 52 and the second switch 53 are respectively controlled through the control buttons. A third through hole is provided on a side wall of the main case 1 corresponding to the charge and discharge interface 55, and the charge and discharge interface 55 is disposed in the third through hole.

In the present embodiment, a first temperature sensor, a second temperature sensor, and a third temperature sensor (not shown in the drawings) are also integrated on the circuit main board 5. The first temperature sensor and the second temperature sensor are respectively used for detecting the temperature of the heating sheet 3 disposed on the upper and lower surfaces of the main casing 1, and the third temperature sensor is used for detecting the temperature of the power supply chip 54 and transmitting the detected temperature information to the digital display screen 6, thereby feeding back the temperature information in real time through the digital display screen 6.

Meanwhile, the power supply chip 54 is in signal connection with the digital display screen 6, and the battery power can be fed back in real time through the digital display screen 6.

According to the present invention, in one embodiment, a lithium battery protection chip 10 is further integrated on the circuit board 5 for protecting the battery 4.

According to one embodiment of the utility model, the digital display screen 6 is provided with a transparent protective cover 61 for protecting the digital display screen 6. As shown in fig. 2 and 3, the corresponding first through hole 111 is provided in the main casing 1, the corresponding second through hole 21 is provided in the heat conductive housing 2, and the transparent protective cover 61 sequentially passes through the corresponding first through hole 111 and second through hole 21 in the main casing 1 and the heat conductive housing 2.

The hand warmer 100 with the continuous temperature adjustment function is particularly suitable for outdoor sports such as fishing, hiking, camping, skiing, traveling and the like. The continuously temperature-adjustable hand warmer 100 according to the present invention is also suitable for a special group in need thereof, such as patients with raynaud's arthritis, which can effectively warm up in cold conditions.

The hand warmer 100 capable of continuously adjusting the temperature according to the present invention can continuously adjust the temperature and can rapidly heat by the heating sheet 3 to quickly adjust to a desired temperature, and the temperature adjustment efficiency is high. Moreover, the hand warmer 100 capable of continuously adjusting the temperature has two functions of hand warmer and mobile power supply, is convenient to carry, can charge other electronic products, and is high in applicability. The hand warmer 100 capable of continuously adjusting the temperature is uniformly heated, which is very favorable for enhancing the warming effect. In addition, this can warm up hand treasured 100 of formula of adjusting temperature in succession battery 4 is equipped with lithium electricity protection chip 10, and the material of main casing body 1 and heat conduction shell 2 is fire-retardant material, or is equipped with fire-retardant layer on its surface, and the hand treasured 100 of formula of can adjusting temperature in succession prevents fires and reaches the V0 rank to can guarantee that can warm up hand treasured 100 of formula of adjusting temperature in succession generates heat safely, and the security is high.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a but hand warmer of continuous temperature regulation formula which characterized in that includes:

a main housing (1);

heat conduction shells (2) symmetrically buckled on the upper surface and the lower surface of the main shell, and heating sheets (3) are respectively arranged between each heat conduction shell and the main shell;

a battery (4) disposed within the main housing;

a circuit board (5) arranged in the main housing, on which a main chip (51) is integrated, and provided with a first switch (52) and a second switch (53) for adjusting the temperature; and

a digital display screen (6);

the main chip can be controlled to continuously adjust the temperature of the heating plate through the first switch and the second switch, and temperature information and electric quantity information are fed back in real time through the digital display screen.

2. The continuously temperature-adjustable hand warmer of claim 1, wherein the continuously temperature-adjustable hand warmer is capable of being continuously adjusted within a range of 30 ℃ to 60 ℃.

3. The hand warmer according to claim 1 or 2, wherein the first switch is connected to the main chip, and the first switch can control the hand warmer to be turned on or off and can control the main chip to adjust the temperature of the heating plate to rise.

4. The hand warmer according to claim 1 or 2, wherein a power chip (54) is further integrated on the circuit board, the second switch is respectively connected to the power chip and the main chip, and the second switch can control the power chip to be turned on or off and can control the main chip to adjust the temperature of the heating plate to be reduced.

5. The hand warmer capable of continuously adjusting the temperature according to claim 4, wherein the circuit main board is provided with a charge and discharge interface (55), and the charge and discharge interface is connected with the power supply chip.

6. The hand warmer according to claim 4, wherein a first temperature sensor, a second temperature sensor and a third temperature sensor are further integrated on the circuit board, the first temperature sensor and the second temperature sensor are respectively used for detecting the temperatures of the upper heating plate and the lower heating plate, and the third temperature sensor is used for detecting the temperature of the power supply chip.

7. The hand warmer according to claim 1 or 2, wherein a lithium battery protection chip (10) is further integrated on the circuit board for protecting the battery.

8. The hand warmer according to claim 1, wherein a mounting groove (112) is provided on a surface of the main housing, the heating sheet is embedded in the mounting groove,

the heating plate with main casing body with heat conduction shell compresses tightly the contact, the heating plate can heat and give the heat transfer to main casing body with heat conduction shell.

9. The continuously adjustable hand warmer of claim 1, wherein the integral outer contour of the main housing and the thermally conductive outer shell is an ellipsoid.

10. The continuously temperature adjustable hand warmer of claim 1, wherein the digital display screen is provided with a transparent protective cover (61) that passes through the main housing and the corresponding thermally conductive outer shell.