CN221076592U - Portable hand warm pad of roll-up type - Google Patents

Abstract

The utility model relates to the technical field of heating equipment, and particularly discloses a rolled portable hand warming pad, which comprises a hollow cavity arranged in a shell along the length direction, wherein a battery module is fixedly arranged in the hollow cavity, and a sensor module is arranged near the front end face of the shell of the battery module; the sensor module is electrically connected with the battery module; the hand warming pad body is horizontally and fixedly connected to the bottom of the front end face of the shell, a plurality of carbon nano tube yarns and nylon yarns are woven and tiled, two ends of each carbon nano tube yarn are respectively and electrically connected with the wire collecting end, the wire collecting end is electrically connected with the electrode end of the battery module through a wire, the electric heating conversion efficiency is high, meanwhile, the carbon nano tube yarns are good in flexibility and small in diameter, breakage is not easy to occur, and the service life of the hand warming pad is prolonged; and when needs are accomodate, can encircle the casing with warm hand pad body and roll up, the rethread accomodates the fixed band and fix, so, warm hand pad occupation space is little, when outdoor use, convenience of customers carries.

Description

Portable hand warm pad of roll-up type

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a rolled portable hand warming pad.

Background

In cold weather, we can make some warm keeping measures. For example, when a user sits beside a computer, the user can easily be subjected to cold due to the fact that the hands are exposed outside; therefore, a warming tool is needed, and the hand warming pad is used for warming the hands of the user.

In the hand warming pad in the related art, most parts for heating are made of metal materials, such as a heating plate, a heating plate or a metal wire for generating heat; however, because the flexibility of the metal material is poor, the metal material is easy to break and can not be folded at a large angle, the hand warming pad occupies a large space, and is inconvenient to store and carry when being used outdoors, and the service life is short; meanwhile, the hand warming pad in the prior art has the defects of high power consumption, single function, poor experience, uneven heating due to the fact that the metal wires are electrified to heat, low electric heating conversion efficiency, poor heat preservation performance and the like.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a rolling type portable hand warming pad.

In a first aspect, embodiments of the present application provide a roll-up portable hand warming pad, comprising:

The battery module is fixedly installed in the cavity chamber, and a sensor module is installed near the front end face of the shell of the battery module; the sensor module is electrically connected with the battery module;

The hand warming pad body is horizontally and fixedly connected to the bottom of the front end face of the shell and comprises a heating fiber layer, the heating fiber layer comprises carbon nanotube yarns and wire collecting ends, the carbon nanotube yarns and the nylon wires are woven and tiled, each carbon nanotube yarn is electrically connected with the wire collecting ends at two ends, and the wire collecting ends are electrically connected with the electrode ends of the battery module through wires.

According to some embodiments of the application, the hand warming pad further comprises a storage fixing strap detachably connected to one side end of the hand warming pad body, two ends of the storage fixing strap are respectively provided with a sticky end and a connecting end, and a first elastic section is arranged on the storage fixing strap between the sticky end and the connecting end.

According to some embodiments of the present application, the wire collecting ends are horizontally arranged along the width direction of the hand warming pad body, the space between each two adjacent carbon nanotube yarns is uniformly arranged, and the value of the space between two adjacent carbon nanotube yarns is 1.5cm-2.5cm.

According to some embodiments of the application, the carbon nanotube yarn is made by twisting a plurality of carbon nanotube fibers, an insulating layer is coated on the surface of the twisted carbon nanotube fibers 2111, and the diameter of the carbon nanotube yarn is 150-200 μm.

According to some embodiments of the application, the hand warming pad body further comprises a first thermal insulation layer, a second thermal insulation layer, a first waterproof layer and a second waterproof layer, wherein the first thermal insulation layer and the first waterproof layer are sequentially stacked on one side end face of the heating fiber layer, and the second thermal insulation layer and the second waterproof layer are sequentially stacked on the other side end face of the heating fiber layer.

According to some embodiments of the application, the heat-generating fiber layer has an area smaller than the areas of the first thermal layer and the second thermal layer, and the thickness of the first thermal layer is equal to the thickness of the second thermal layer.

According to some embodiments of the application, an electric quantity monitoring module and a switch module are sequentially arranged in the cavity chamber of the shell close to the battery module, and the electric quantity monitoring module and the switch module are electrically connected with the battery module.

According to some embodiments of the application, a charging module is disposed on a side end face of the housing, a USB jack is disposed near the side end face of the housing, the charging module and the USB jack are electrically connected with the battery module, and the charging module is used for charging the battery module.

Compared with the prior art, the roll-up type portable hand warming pad provided by the embodiment of the application at least comprises the following beneficial effects:

(1) The hand warming pad body is horizontally arranged at the bottom of the front side of the shell, the hand warming pad body consists of the heating fiber layer, the thermal insulation layer and the waterproof layer, the carbon nanotube yarns are made by twisting a plurality of carbon nanotube fibers, the electric heating conversion efficiency is high, meanwhile, the carbon nanotube yarns are good in flexibility and small in diameter, and are not easy to break, so that the service life of the hand warming pad is prolonged; the hand warming pad body can be folded at will, when the hand warming pad body needs to be stored, the hand warming pad body can be wound around the shell, and then the hand warming pad body is fixed through the storage fixing belt, so that the hand warming pad occupies small space, and is convenient for a user to carry when being used outdoors;

(2) Through the carbon nanotube yarn setting, the carbon nanotube yarn is twisted by many carbon nanotube fibers and is obtained, and the mechanical strength of carbon nanotube yarn is high has been improved, simultaneously, through reasonable carbon nanotube yarn distribution setting for it is more even to generate heat, adopts polyamide fibre line and the fibre line that generates heat to weave the fibre layer that generates heat and forms, sets up the cold-proof layer in the fibre layer both sides that generate heat, makes the heat preservation on fibre layer generate heat the effect better, because carbon nanotube yarn high conductivity, light in weight, the heating performance is good and power consumption is little, has improved user's experience nature.

(3) Through set up the USB jack in casing one end, the USB jack can make warm hand pad be used for supplying power to external electronic equipment, and warm hand pad body level sets up, can be used for replacing the mouse pad when warming up the hand, so, realizes the function diversification of warm hand pad.

(4) Through the sensor setting, make warm hand pad realize self-induction control, practiced thrift the consumption of electric energy.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a rolled portable hand warming pad according to an embodiment of the application;

FIG. 2 is a partial cross-sectional view of a rolled portable hand warming pad according to an embodiment of the application;

FIG. 3 is a cross-sectional view according to A-A of FIG. 2;

FIG. 4 is a cross-sectional view of a carbon nanotube yarn according to an embodiment of the present application;

fig. 5 is a schematic structural view of a storage fixing strap according to an embodiment of the present application;

FIG. 6 is a circuit diagram corresponding to a rolled portable hand warming pad according to an embodiment of the application;

Fig. 7 is another structural schematic diagram of a rolled portable hand warming pad according to an embodiment of the application.

Reference numerals:

100. a housing; 110. a battery module; 120. an electric quantity monitoring module; 130. a switch module; 140. a sensor module; 150. a charging module; 160. a USB jack;

200. a hand warming pad body; 210. a heat-generating fiber layer; 211. a carbon nanotube yarn; 2111. carbon nanotube fiber, 2112, insulating layer, 212, collector terminal; 213. a wire; 220. a first thermal insulation layer; 230. a second thermal layer; 240. a first waterproof layer; 250. a second waterproof layer; 260. a connecting ring;

300. Accommodating the fixing belt; 310. a sticky end; 320. a first elastic segment; 330. a connection end;

400. Thermal protection cloth; 410. a second elastic segment; 420. a magic tape.

Detailed Description

The following detailed description of embodiments of the utility model, with reference to the accompanying drawings, is illustrative of the embodiments described herein, and it is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model.

It will be understood that when an element is referred to as being "fixed 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.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a rolled portable hand warming pad, which includes:

As shown in fig. 1, a housing 100 is provided in which a cavity chamber is formed in the housing 100, and preferably, the housing 100 is detachably connected to a lower housing by an upper housing, the housing 100 has a rectangular shape, a battery module 110 is provided in the cavity chamber of the housing 100 along a length direction, and a rechargeable battery is loaded in the battery module 110; the electric quantity monitoring module is installed inside the top surface of the shell 100 close to the battery module 110, three electric quantity display lamps of the electric quantity monitoring module 120 are arranged, the electric quantity display lamps of the electric quantity monitoring module 120 display electric quantity according to the residual quantity of the electric quantity of the battery, for example, when the battery is full, the three electric quantity display lamps emit light, and when the electric quantity is two thirds of the electric quantity, the two electric quantity display lamps emit light;

The device is arranged in such a way that the effective monitoring of the electric quantity is realized in the process of charging or power utilization; of course, it should be noted that, the power monitoring module 120 is electrically connected with the power supply battery in the battery module 110, and the power monitoring module 120 can be obtained from components existing in the market;

In this embodiment, a switch module 130 is fixedly installed inside the upper surface of the housing 100 close to the power monitoring module 120, and it should be noted that the switch module 130 is used for controlling the on-off of the total circuit in the hand warming pad, the switch module 130 is electrically connected with the power supply battery and the power monitoring module 120, and it should be noted that in some realizable modes, the switch module 130 may use a sliding switch or may use a touch switch for control;

Further, a charging module 150 is disposed on the side end surface of the housing 100, the charging module 150 is electrically connected with the power supply battery, the charging module 150 is configured to charge the power supply battery, and an exemplary jack of the charging module 150 is a Type-C interface, so that the charging module can share a charging line of the smart phone for charging; the USB jack 160 is further disposed near the side end face of the housing 100 of the charging module 150, and the USB jack 160 is electrically connected with the power supply battery of the battery module 110, it is understood that the USB jack 160 can be used for charging external devices, for example, when the electric quantity of the outdoor mobile phone is insufficient, the battery can be charged through the disposed USB jack 160, so that the functions of the hand warming pad are diversified;

In one embodiment, a mounting notch of the hand warming pad body 200 is formed at the bottom of the front end surface of the casing 100 along the length direction, one end of the hand warming pad body 200 is fixedly mounted at the bottom notch of the front end surface of the casing 100, a connecting ring 260 is arranged at one end of the hand warming pad body 200 far away from the casing 100, and the connecting ring 260 is detachably connected with a storage fixing strap 300, wherein the storage fixing strap 300 is used for fixing the rolling of the hand warming pad body 200; meanwhile, the hand warming pad body 200 can be used as a mouse pad when unfolded, so that the functions of the hand warming pad are more diversified;

Further, the end surface of the housing 100 close to the hand warming pad body 200 is fixedly provided with a sensor module 140, preferably, the sensor module 140 may be disposed at the center of the front end surface of the housing 100, the sensor module 140 is electrically connected with the heating layer of the hand warming pad body 200 and the battery module 110, it should be noted that the sensor module 140 may be an infrared sensor, and when the sensor module 140 detects that an object exists in front of the sensor module, the heating layer of the hand warming pad body 200 is communicated with the battery module 110;

When the hand warming pad of the embodiment is used, the switch module 130 is opened to enable the total circuit to be communicated, and due to the arrangement of the sensor module 140, the heating layer in the hand warming pad body 200 is not immediately communicated with the power supply battery of the battery module 110, when a user places hands on the hand warming pad body 200, the sensor module 140 detects and controls the heating layer of the hand warming pad body 200 to be communicated with the battery module 110, heating is achieved, when the user takes hands off, the sensor module 140 controls the heating layer of the hand warming pad body 200 to be disconnected with the battery module 110, and therefore consumption of electric energy is reduced, and comfort level of the hand warming pad is improved;

In one embodiment, as shown in fig. 2 to 3, the hand warming pad body 200 includes a heat generating fiber layer 210, a first heat insulating layer 220 and a first waterproof layer 240 sequentially disposed from one end surface of the heat generating fiber layer 210, and a second heat insulating layer 230 and a second waterproof layer 250 sequentially disposed from the other end surface of the heat generating fiber layer 210;

In this embodiment, the thicknesses of the first thermal insulation layer 220 and the second thermal insulation layer 230 are set to be the same, the first thermal insulation layer 220 and the second thermal insulation layer 230 may be woven by cotton fiber threads, and the first thermal insulation layer 220 and the second thermal insulation layer 230 may further accumulate heat generated by the heat-generating fiber layer 210, so that the heat-generating effect is more obvious;

In this embodiment, the thicknesses of the first waterproof layer 240 and the second waterproof layer 250 are set to be the same, the first waterproof layer 240 and the second waterproof layer 250 may be made of TPU, polytetrafluoroethylene or other waterproof materials, and the waterproof treatment is adopted to prevent the damage of the inflow water to the carbon nanotube electric heating assembly, and is beneficial to cleaning;

Further, the heating fiber layer 210 is woven by nylon yarn and heating fiber yarn, in order to achieve better hand warming effect, one heating fiber yarn is woven by weft yarn at each interval of 1.5cm-2.5cm on the heating fiber layer 210, the heating fiber yarn is made by carbon nano tube yarns 211 with the diameter of 150 μm-200 μm, the outer layer of which is sprayed with insulating material, two ends of each carbon nano tube yarn 211 are fixedly electrically connected with the wire collecting ends 212, and the wire collecting ends 212 can be heating fiber yarns with larger diameters, the wire collecting ends 212 are vertically distributed along the width of the hand warming pad body 200, and the two wire collecting ends 212 are respectively electrically connected with the battery module 110 through wires 21;

In one embodiment, as shown in fig. 4, the carbon nanotube yarn 211 is twisted by 4 carbon nanotube fibers 2111, and the twist is 1500 turns/m, wherein the surface of the twisted carbon nanotube fibers 2111 is coated with an insulating layer 2112, it is understood that the carbon nanotube yarn 211 may be twisted by other numbers of carbon nanotube fibers 2111, and the invention is not limited thereto;

For generating heat through the metal wire, the carbon nanotube yarn 211 has the advantages of high mechanical strength, high conductivity, light weight, good heating performance, small power consumption and the like, and meanwhile, the carbon nanotube yarn 211 is distributed reasonably, so that the heat generation is more uniform, and the heat-generating fiber layer 210 has better heat preservation effect by weaving the nylon yarn and the heat-generating fiber yarn.

In addition, the carbon nanotube yarn 211 is made by twisting a plurality of carbon nanotube fibers 2111, the electric heating conversion efficiency is high, meanwhile, as the carbon nanotube yarn 211 has good flexibility and small diameter, the heating fiber layer 210 is formed by weaving nylon yarns and the carbon nanotube yarn 211, so that the hand warming pad body 200 can be folded at will, the convenience and the service life of the hand warming pad are provided,

The hand warming pad body 200 is wound around the shell 100 and then fixed by the storage fixing belt 300, so that the hand warming pad occupies small space, and is convenient for a user to carry when being used outdoors;

Example 2

Referring to fig. 5, the structure of the accommodating fixing strap 300 according to the present embodiment is further described based on embodiment 1, and includes:

One end of the storage fixing strap 300 is provided with a connecting end 330, the connecting end 330 consists of four hidden buckles, the connecting end 330 of the storage fixing strap 300 penetrates through the connecting ring 260 of the hand warming pad body 200 to be fixed through the hidden buckles, the middle section of the storage fixing strap 300 close to the connecting end 330 is provided with a first elastic section 320, the first elastic section 320 can be made of elastic materials, the length of the storage fixing strap 300 can be adaptively changed through the arrangement of the first elastic section 320, the hand warming pad is fixed more stably through the storage fixing strap 300 after being rolled up, and one end of the storage fixing strap 300 far away from the connecting end 330 is provided with a sticky end 310; illustratively, the tacky end 310 may be made of velcro, enabling repeated tacky fixation; and, accomodate the fixed band 300 and can dismantle with warm hand pad body 200 through the hidden discount and be connected, when the viscidity that glues glutinous end 310 weakens, can follow the fixed band 300 of accomodating and trade.

Example 3

Referring to fig. 6, in this embodiment, based on embodiment 1, the electrical connection relationship between the internal components of the rolled portable hand warming pad is further described, including:

The two ends of the power supply battery electrode of the battery module 110 are connected with the charging module 150 and the USB jack 160 in parallel through wires, meanwhile, one end of the power supply battery electrode of the battery module 110 is independently and electrically connected with the input end of the switch module 130, the output end of the switch module 130 is respectively and electrically connected with the electric quantity monitoring module 120, the sensor module 140 and the heating fiber layer 210, wherein the sensor module 140 is connected with the heating fiber layer 210 in series, and thus, the sensor module 140 is used for carrying out induction control on the heating fiber layer 210.

Example 4

Referring to fig. 7, the present embodiment provides a rolled portable hand warming pad based on embodiment 1, wherein a warm keeping protective cloth 400 is detachably connected to the surface of the hand warming pad body 200, two ends of the warm keeping protective cloth 400 are respectively provided with a second elastic section 410 and a magic tape 420, and under some special cold conditions, a better cold-proof effect can be achieved through the arrangement of the warm keeping protective cloth 400, and meanwhile, the warm keeping protective cloth 400 is detachably arranged, so that the use is more convenient.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

It will be apparent that the described embodiments are only some, but not all, embodiments of the application. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application for the embodiment. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. A roll-up portable hand warming pad comprising:

The battery module comprises a shell (100), wherein a hollow cavity is formed in the shell (100) along the length direction, a battery module (110) is fixedly installed in the hollow cavity, and a sensor module (140) is installed on the front end face of the shell (100) close to the battery module (110); the sensor module (140) is electrically connected with the battery module (110);

The hand warming pad comprises a hand warming pad body (200), wherein the hand warming pad body (200) is horizontally and fixedly connected to the bottom of the front end face of the shell (100), the hand warming pad body (200) comprises a heating fiber layer (210), the heating fiber layer (210) comprises carbon nanotube yarns (211) and wire collecting ends (212), the carbon nanotube yarns (211) are woven and tiled with nylon wires, each carbon nanotube yarn (211) is electrically connected with the wire collecting ends (212) at two ends respectively, and the wire collecting ends (212) are electrically connected with electrode ends of the battery module (110) through wires (213).

2. The portable hand warming pad according to claim 1, further comprising a storage fixing strap (300), wherein the storage fixing strap (300) is detachably connected to one side end of the hand warming pad body (200), two ends of the storage fixing strap (300) are respectively provided with an adhesive end (310) and a connecting end (330), and the storage fixing strap (300) between the adhesive end (310) and the connecting end (330) is provided with a first elastic section (320).

3. The portable hand warming pad according to claim 1, wherein the wire collecting end (212) is horizontally arranged along the width direction of the hand warming pad body (200), the interval between each carbon nanotube yarn (211) is uniformly arranged, and the interval between two adjacent carbon nanotube yarns (211) is in the range of 1.5cm-2.5cm.

4. A rolled portable hand warmer according to claim 3, wherein the carbon nanotube yarn (211) is made of a plurality of twisted carbon nanotube fibers (2111), and an insulating layer (2112) is coated on the twisted surface of the carbon nanotube fibers 2111, and the diameter of the carbon nanotube yarn is 150 μm-200 μm.

5. The rolled portable hand warming pad according to claim 1, wherein the hand warming pad body (200) further comprises a first thermal layer (220), a second thermal layer (230), a first waterproof layer (240) and a second waterproof layer (250), the first thermal layer (220) and the first waterproof layer (240) are sequentially stacked on one side end face of the heating fiber layer (210), and the second thermal layer (230) and the second waterproof layer (250) are sequentially stacked on the other side end face of the heating fiber layer (210).

6. The roll-up portable hand warming pad of claim 5 wherein the area of the heat-generating fiber layer (210) is smaller than the area of the first thermal layer (220) and the second thermal layer (230), the thickness of the first thermal layer (220) being equal to the thickness of the second thermal layer (230).

7. The portable hand warming pad according to claim 1, wherein an electric quantity monitoring module (120) and a switch module (130) are sequentially arranged in the cavity chamber of the housing (100) close to the battery module (110), and the electric quantity monitoring module (120) and the switch module (130) are electrically connected with the battery module (110).

8. The portable hand warming pad according to claim 1, wherein a charging module (150) is disposed on a side end surface of the housing (100), a USB jack (160) is disposed on the side end surface of the housing (100) close to the charging module (150), the charging module (150) and the USB jack (160) are electrically connected with the battery module (110), and the charging module (150) is configured to charge the battery module (110).