CN2139070Y - Electric heating cushion for automobile - Google Patents

Abstract

The utility model which discloses an electric heating cushion for an automobile belongs to the electrothermal technology, and the electric heating cushion for the automobile is mainly used for the warm keep 9 ing and the health protection of a driver in winter. The utility model is characterized in that the electric heating cushion is composed of a fastening strip, five roots of parallel linear type heating wire which are put into the twists and turns arrangement, discrete connecting wire, power-supply line, switches, a fuse box, an inner liner, a casing and a sealing insulated connecting body for the connection point between the discrete connecting wire, the heating wire and the power-supply line. The utility model has the advantages of simple structure, easy manufacture and convenient and safe use; the low-voltage DC power supply can be utilized, the driver can be kept warm, and the utility model has the adjunctive therapy to the disease such the lumbago.

Description

Electric heating cushion for automobile

The hot back cushion of a kind of automobile electrical belongs to the electroheat technology field, is mainly used in automobilist's heating health care.

The product relevant with the utility model has electric blanket or electric mattress in prior art, the application number that has of patent applied for is that 89214021.6 electric heating cushion and application number are 91221845.2 Antifrost cushion, and motor bike electric heating knee protector, trac. electric heating knee protector etc.The above two are and are applicable to 220 volts of power supplys, family or office heating; Though the latter can use low-voltage direct, its structure is very simple, and its effect only limits to protect knee, the purpose of out of reach heating health care.The automobilist is driving automobile and running quickly in the open air all day, and is not only arduous, and must stand cold invasion and attack winter, designs the hot back cushion of a kind of automobile electrical for this reason and is automobilist's Gospel in fact.

It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and is power supply with 12 volts of storage batterys on the automobile, rises warm and Coldproof health equipment health-care effect to driver's back and waist.

According to the electric heating groundwork, at the subject matter that exists in the prior art, basic design of the present utility model is: utilize existing alternating current 220V, the 12V direct supply that has been equipped with on linear pattern heating wire that the 80W electric mattress is used and the automobile is according to P=(V ²)/(R) calculated the length of every heating wire, and every two ends connect one section discrete connecting wire side by side to take 5, is sewn on the lining cloth that adapts with automobile chair backrest size after arranging according to the bent arrangement mode of the Hang rotation of Ping.

The hot back cushion of described automobile electrical that is characterised in that of the present utility model is by four frenulums, 5 linear pattern heating wires, ten sections discrete connecting wires, power lead, switch, fuse, ground wire, discrete connecting wire and power lead contact sealed insulation connector, two heating wires and discrete connecting wire contact sealed insulation connector, two-layer up and down in lining cloth and two layers of jackets cloth or blanket formation up and down; On four above-mentioned each angle of root system band one, respectively there is an end to be sewn on the above-mentioned outer cover or blanket, above-mentioned linear pattern heating wire is made of 5 that are applicable to 12 volts of direct supplys of automobile isometric equidistantly parallel linear pattern heating wires arranged side by side, each is connected the two ends of every heating wire with one section above-mentioned discrete connecting wire, in order to avoid heating wire and power lead direct connection too generate heat, 5 contact rectangular distributions of every end do not contact sealed being fixed in two above-mentioned connectors mutually, the discrete connecting wire in two ends each 5 and together after be connected with the both positive and negative polarity of said power again, these two points by discrete sealing and fixing in another above-mentioned connector, 5 above-mentioned heating wires are sewn between the above-mentioned two-layer up and down interior lining cloth together with three above-mentioned connectors after arranging according to the bent arrangement mode of flat capable rotation as shown in Figure 2, and above-mentioned cloth of two layers of jackets up and down or blanket then cover on outermost layer.Above-mentioned fuse and switch series are connected on the power lead, ride over after ground wire is drawn on the arbitrary ironware of automobile.

The utility model has the advantages that simple in structure, raw MAT'L is easy to get, make easily, can utilize the low direct supply on the automobile, easy to use, Electrical Safety, it is warm that can make the driver obtain winter, lessen fatigue, guarantee traffic safety, again occupational diseases such as driver's pain in back and loin, lumbar muscle strain are had the supplemental treatment effect.

Accompanying drawing 1 cuts open scheme drawing for the integral structure office of one of the utility model most preferred embodiment, Fig. 2 is that Figure 1A-A section schematic side view is represented the up-down structure feature, Fig. 3 arranges and connection diagram for heating wire, Fig. 4 is that Fig. 3 C-C section amplifies schematic side view, Fig. 5 faces enlarged diagram for Fig. 3 B-B section, and Fig. 6 faces enlarged diagram for Fig. 3 D-D section.1 frenulum among the figure, 2 linear pattern heating wires, 3 heating wires and discrete connecting wire point of connection, 4 discrete connecting wires, 5 discrete connecting wires and power lead point of connection, 6, power lead, 7 switches, 8 fuses, 9 discrete connecting wires and power lead contact sealed insulation connector, 10 heating wires and discrete connecting wire contact sealed insulation connector, two-layer interior lining cloth about in the of 11, two layers of jackets cloth or blanket about in the of 12.

Frenulum 1 adopts general cloth or strap in this embodiment, the linear pattern that heating wire 2 adopts former alternating current 220V 80W electric mattress to use, and totally 5, every long 2.13m single straight leakage resistance 48 Ω, 5 back in parallel resistances are 9.6 Ω, heating power is 15W; Discrete connecting wire 4 is selected plastic skin flexible cord BVR-0.5mm for use ²Totally 10, every long 60mm, power lead 6 select plastic skin flexible cord BVR-1mm for use ², switch 7 is selected the JK812-1 type for use, fuse 8 employing 2A's, connector 9 and 10 all adopts polyvinyl chloride (PVC) insulating plastics, and interior lining cloth 11 is selected cotton size 400 * 400(mm) for use, and outer cover or blanket 12 are selected blanket overall dimensions 410 * 410(mm) for use.

Change as present embodiment:

1, the length of linear pattern heating wire and radical and arrangement mode can be done suitable change, with other vehicles of being applicable to direct current 24V diesel car and equal power supply such as loop wheel machine, loader, forklift etc.;

2, the materials of appropriate change overall dimensions and shape and liner outer cover are used for other vehicles of any 12 volts of direct supplys or possess the sofa cushion such as family, office of 12 volts or 24 volts direct supplys.

Claims (2)

1, the hot back cushion of a kind of automobile electrical, form by tether, heating wire, interior lining cloth and outer cover, of the present utility model be characterised in that the hot back cushion of described automobile electrical by frenulum 1, linear pattern heating wire 2, discrete connecting wire 4, power lead 6, switch 7, fuse 8, discrete connecting wire and power lead contact sealed insulation connector 9, heating wire and discrete connecting wire contact sealed insulation connector 10, two-layer up and down in lining cloth 11 and two layers of jackets cloth or blanket 12 constitute up and down; Above-mentioned frenulum 1, on each angle one, respectively there is an end to be sewn on the above-mentioned outer cover or blanket 12, above-mentioned linear pattern heating wire 2 all is sealed in the above-mentioned connector 10 by rectangular distribution with each point of connection 3 of discrete connecting wire 4, above-mentioned discrete connecting wire 4 is sealed in the above-mentioned connector 9 by discrete with the point of connection 5 of power lead 6, above-mentioned linear pattern heating wire 2 according to the arrangement mode of flat row rotation song arrange good back together with above-mentioned three connectors 9 and 10 be sewn to above-mentioned two-layer up and down between the lining cloth 11, above-mentioned outer cover or blanket 12 cover on outermost layer.

2, the hot back cushion of automobile electrical according to claim 1, it is characterized in that above-mentioned linear pattern heating wire 2, constitute by 5 that are applicable to 12 volts of direct supplys of automobile isometric equidistantly parallel linear pattern heating wires arranged side by side, each is connected the two ends of every heating wire with one section connecting wire 4,5 connecting wires 4 of every end and back together power connection line 6.