CN218634328U - An outdoor portable multifunctional heating blanket - Google Patents

Abstract

The utility model provides an outdoor portable multi-functional heating blanket which characterized in that: the heating blanket comprises an energy interface, a temperature controller and a heating blanket body, wherein the heating blanket body consists of a waterproof layer, a heat preservation layer and a heating layer in the thickness direction, the heating layer is made of two or more groups of conductive line bodies with different electric powers and packaged in an insulating material according to a certain shape, a first group of high-power conductive line bodies are arranged in the middle of the whole area of the heating layer of the heating blanket body, and a second group of low-power conductive line bodies are arranged outside the first group and surround the area where the first group is located; the conductive wire body is electrically connected with the energy interface, and the temperature controller is arranged on a connecting wire between the conductive wire body and the energy interface. The utility model discloses a two sets of electric conductor bodily form that control respectively become two heating regions, adjust two regional mutual positions and temperature relation, form two kinds of outdoor working state, correspond human heating and food heating two kinds of functions, and it has conveniently carries, and is energy-efficient, advantages such as safety ring protects.

Description

An outdoor portable multifunctional heating blanket

technical field

The utility model relates to the field of outdoor products, in particular to a heating blanket, in particular to an outdoor portable multifunctional heating blanket which takes into account both human body heating and food heating.

Background technique

Outdoor sports are one of the beneficial forms for people to explore nature, relax and exercise, and have become more and more popular in recent years. Changes in the temperature of the outdoor environment can easily cause discomfort to the human body, and in severe cases can be life-threatening. At the same time, long-term outdoor sports also have a certain demand for heating food or boiling water on the spot.

Existing outdoor food heating devices usually include a hard frame or use an open flame, and the volume, weight and heating method are difficult to meet people's requirements for outdoor sports portability and safety. Chinese patents ZL200620130190X, 2017109199292, and ZL2021207990012 disclose heating blankets that are common in the market at present. It is difficult to be used for food heating, and the human body heating effect needs to be further improved.

Utility model content

The purpose of the utility model is to solve the problem of the contradiction between lightness, safety and heating effect of the existing outdoor heating blanket, and the utility model is a portable multifunctional heating blanket integrating safe heating of food and efficient heating.

The technical scheme of the utility model is:

An outdoor portable multifunctional heating blanket, characterized in that it includes an energy interface, a temperature controller and a heating blanket body, the thickness direction of the heating blanket body is composed of a waterproof layer, a thermal insulation layer and a heating layer, the waterproof layer is placed on the outside, and the thermal insulation The heating layer is placed between the heating layer and the waterproof layer. The heating layer is placed on the side of the object to be heated. The heating layer is composed of two or more conductive wires with different electric powers and encapsulated in insulating materials in a certain shape. The first group of high-power conductive wires The body is arranged in the middle of the entire area of the heating layer of the heating blanket, and the second group of low-power conductive wires is arranged at a position other than the first group and surrounds the area where the first group is located; the conductive wires are electrically connected to the energy interface, and the temperature control The device is installed on the connection line between the conductive wire body and the energy interface; the heating blanket body can wrap the heated container in it to prevent heat convection heat exchange and heat radiation radiation, thereby speeding up the heating speed. The heated container is placed above the heating area surrounded by the first group of high-power conductive wires.

The waterproof layer is light and soft breathable silica gel and polytetrafluoroethylene film, the insulation layer is light and soft glass fiber felt and airgel felt, and high reflective tinfoil is arranged on one side of the waterproof layer, and the conductive wire body is high Loss of carbon fiber, iron-chromium-aluminum, nickel-chromium alloy wire, the packaging insulation material is heat-conducting insulating silicone.

The first group of conductive wires is placed in the middle of the overall area of the heating layer, the shape is a circle with a diameter of 50-250 mm, and the distance from the edge of the heating blanket is not less than 1.5 times the diameter of the circle. The second group of conductive wires is comprehensively considered The layout of the first group of conductive wires and the shape of the heating blanket body are evenly arranged, and conduction with the first group of conductive wires is avoided.

The beneficial effects of the utility model are:

1. The main body of this heating blanket is made of light and soft material, which is easy to fold and store, and convenient to carry.

2. This heating blanket adopts the principle of main and auxiliary heating, which can significantly improve the influence of low temperature in the outdoor environment on the heating rate, avoid open flames, and is safe and efficient.

3. The heating blanket adopts high conductive wire body and is equipped with heat preservation and waterproof layer, which has small heat loss, high efficiency and low energy consumption.

4. The heating blanket adopts zone temperature control, and the two zones work together, which can be used not only for outdoor heating of food, but also for human body heating.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an outdoor portable multifunctional heating blanket.

Fig. 2 is a schematic diagram of the layout of conductive wires in the heating layer.

Fig. 3 is a schematic diagram of boiling water using an outdoor portable multifunctional heating blanket.

In the figure: 1. Energy interface; 2. Thermostat; 3. Heating blanket body; 4. Waterproof layer; 5. Insulation layer; 6. Heating layer; 9. The second group of conductive wires; 10. The container to be heated; 11. The fixing clip.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figure 1-3.

An outdoor portable multifunctional heating blanket, mainly composed of an energy interface 1, a thermostat 2 and a heating blanket body 3, and the thickness direction of the heating blanket body is composed of three layers of soft material layers such as a waterproof layer 4, an insulation layer 5, and a heating layer 6 , as shown in Figure 1, the waterproof layer 4 is made of polymer waterproof and breathable material (PTFE membrane) placed on the outside in contact with the ground or cold air, and the insulation layer 5 is made of glass fiber felt cloth between the heating layer 6 and the waterproof layer 4. Thermal insulation function, wherein a tin foil layer is provided on the side close to the waterproof layer 4 to reflect infrared radiation, and the heating layer 6 encapsulates the conductive wire body in a heat-conducting insulating silica gel 7 using a high-temperature process, and places it on the side of the heated object as a heating source .

The heating layer 6 of the heating blanket of the present utility model includes two groups of conductive wire bodies of non-conductive carbon fibers to form two heating areas. Made of T300 carbon fiber with a resistance of 0.15 ohm/m, it is in a circular layout with a diameter of 200mm. It is located in the middle of the 2000*1000mm rectangular heating blanket and is the first heating area; other areas are the second heating area, through the second heating area. The two groups of conductive wire bodies 9 are realized by uniformly encircling nickel-chromium alloy wires with a meter resistance of 0.20 ohms and a total length of 25 meters.

When using a heating blanket to warm the human body, input 5V voltage through the USB interface, and adjust the two thermostats 2 respectively, so that the temperature in the two areas is in a comfortable state. During use, the thermostat can be adjusted according to the comfort of the person. , to meet the heating requirements. The heating blanket can be directly draped on people's clothing, and can also be placed on the side or bottom of the tent as a carpet.

The using method of the present utility model is:

(1) When used as an electric blanket, input an external power supply through the energy interface, adjust the thermostat respectively, and put the first group of conductive wires and the second group of conductive wires at a comfortable temperature for human body heating;

(2) When used as a heating device for boiling water, first place a container 10 to be heated, such as a stainless steel water cup, in the center of the area of the first group of conductive wires, and use a fixing clip (such as a dovetail clip) 11 to place the second group of conductive wires The area where 9 is located is surrounded by the periphery of the stainless steel water cup, and is fixed to form a nearly closed space to reduce convective heat transfer, as shown in Figure 3. The first group of conductive wires 8 is driven and controlled by a 12V/40A outdoor portable power supply, and the thermostat 2 is adjusted to control the first heating area to a calibrated high temperature area of 150 degrees for conduction heating of boiling water. Set the temperature of the conductive thread body 9 to about 40 degrees to feel comfortable to increase the ambient temperature and assist in accelerating the heating process of boiling water.

The parts not involved in the utility model are all the same as the prior art or can be realized by adopting the prior art.

Claims (2)

1. An outdoor portable multifunctional heating blanket is characterized in that: it includes an energy interface, a thermostat and a heating blanket body, the thickness direction of the heating blanket body is composed of a waterproof layer, a thermal insulation layer and a heating layer, and the waterproof layer is placed on the outside , the insulation layer is between the heating layer and the waterproof layer, and the heating layer is placed on the side of the heated object. The heating layer is composed of two or more conductive wires with different electric powers and encapsulated in insulating materials in a certain shape. The first group of high-power The conductive wires are arranged in the middle of the entire area of the heating layer of the heating blanket, and the second group of low-power conductive wires is arranged outside the first group and surrounds the area where the first group is located; the conductive wires are electrically connected to the energy interface, The temperature controller is installed on the connection line between the conductive wire body and the energy interface; the heated container is placed above the heating area surrounded by the first group of high-power conductive wire bodies. 2. The outdoor portable multifunctional heating blanket according to claim 1, characterized in that, the first group of conductive wires is placed in the middle of the overall area of the heating layer, the shape is a circle with a diameter of 50-250mm, and the distance from the heating blanket body The edge is not less than 1.5 times the diameter of the circle, and the second group of conductive wires is evenly arranged considering the layout of the first group of conductive wires and the shape of the heating blanket, and avoids conducting with the first group of conductive wires.

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