CN2404836Y - Semiconductor, portable and two purpose box for cold storage or hot storage - Google Patents

Abstract

The utility model discloses a semiconductor, portable and two purpose box for cold storage or hot storage, which is composed of a box body 1, an aluminum liner 2, a guide block 3, a thermoelectric refrigerating component 8, a heat radiating fin 10, a fan 9, a bottom frame 5 and a control circuit, wherein, the box body 1 is made from soft and thermal insulation materials; the bottom in the box is fixed with the aluminum liner 2, the center of which is fixed with the guide block 3; the thermoelectric refrigerating component 8 is arranged between the guide block 3 and the heat radiating fin 10 and is tightly fixed by screws; the heat radiating fin 10 is used for a cooling device of computer chips, and the fan 9 is used for the cooling device of computer chips and is fixed onto the heat radiating fin 10 with screws. The bottom of the bag 1 is provided with the bottom frame 5, the side surface of which is provided with a DC power socket 13, a functional selective switch 14 and an indicating lamp 15, and a temperature relay 6 is fixed by being appressed with the guide block 3.

Description

A kind of semiconductor portable formula refrigeration heat is hidden dual-purpose case and bag

The utility model relates to a kind of semiconductor portable formula software refrigeration heat and hides dual-purpose case and bag, belongs to the thermoelectric refrigerating semiconductor component applied technical field.

Along with the raising of development of semiconductor and living standards of the people, adopt thermoelectric refrigerating semiconductor component to hide two-purpose box as quartz conductor refrigeration, the heat of refrigeration or heater element, claim portable portable refrigerator, automobile refrigerator again, be used widely.It is to utilize the Peltier effect principle of semiconductor temperature difference electric material to make, and needn't adopt the system of traditional usefulness compressor compresses chemical refrigerant circularly cooling again, just can directly convert electric energy to cooling power effectively or heat energy.It has characteristics such as simple in structure, with low cost, harmless, that noiselessness pollutes, application is convenient.But the portable refrigerator of existing structure all adopts the rigid plastic shell, Heavy Weight, and volume is big, is not suitable for the portable shoulder back of the body, places also inconvenient on roadlice.Its heat abstractor is to adopt aluminium section bar radiator and brush motor fan, heavily about 0.5kg, and manufacturing cost is higher.And the service life of brush motor is limited.

The purpose of this utility model is at the problems referred to above, and a kind of portable software cold, hot two-purpose bag is provided, and can the article of depositing in the bag be refrigerated or heat.It can folding storage, is fit to the portable shoulder back of the body, is easy to carry.

Embodiment of the present utility model is such: semiconductor portable formula refrigeration heat is hidden dual-purpose case and bag and is made up of body bag 1, aluminium courage 2, guide block 3, thermoelectric cooling module 8, radiating gill 10, fan 9, underframe 5 and control circuit.Body bag 1 usefulness software warm material is made, its lining is selected chemical fabrics such as rainproof nylon taffeta for use, middle heat-insulation layer is selected cheap warm materials such as EVA, sponge, tin silk floss for use, the bag inner bottom part is aluminium courage 2 fixedly, central fixed guide blocks 3 at aluminium courage 2, between guide block 3 and radiating gill 10, place refrigerating assembly 8, and fastening with screw, and radiating gill 10 is light-duty radiating gills that the computer chip cooling vessel is used; Fan 9 is miniature brush-less fans of computer chip cooling usefulness, totally two, is screwed respectively on radiating gill 10.In body bag 1 bottom underframe 5 is arranged, there is ventilation inlet the side, base plate 11 be positioned at underframe 5 below, there is heat radiation air outlet its position corresponding to two fans 9.Direct current power source socket 13, functional select switch 14 and indicator lamp 15 are installed in side at underframe 5.Two light emitting diode lamps 15, thermoelectric cooling module 8, fans 9 are distinguished the fixed end of access function select switches [14].Direct supply is after socket 13 inputs, be applied to the power positive cathode of thermoelectric cooling module 8 by functional select switch 14 controls, thereby control its refrigeration or heating work state, it is fixing that series connected temperature relay 6 is close to guide block 3 in the refrigerating assembly power circuit, when temperature reaches design temperature, automatically cut off the electricity supply, thereby can control heating-up temperature.Two light emitting diode lamps 15 are indicated refrigeration or heating work state respectively.

The utility model compared with prior art has the following advantages: (1) volume is little, in light weight, and the heavily about 1kg of integral body is 1/3rd of 7 liters of automobile refrigerators of existing similar volume, thereby can the portable shoulder back of the body, can also fold, and is convenient to collection and carries; (2) adopt double fan cpu cooling vessel to replace aluminium section bar radiating gill and brush motor fan, reduced volume and weight, be convenient to make, improved reliability; (3) simplify the structure, large plastic mould tool and large size plastic jetting-moulding device that need not be expensive have been saved investment, are convenient to tissue production.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Accompanying drawing 1 is that the portable refrigeration heat of the utility model embodiment is hidden dual-purpose bag profile scheme drawing.

Accompanying drawing 2 is that the portable refrigeration heat of the utility model embodiment is hidden dual-purpose bag inner structure scheme drawing.

Accompanying drawing 3 is that the portable refrigeration heat of the utility model embodiment is hidden dual-purpose bag internal electric schematic diagram.

The portable refrigeration heat of embodiment of the present utility model-7 liter capacity is hidden dual-purpose bag: in Fig. 1 and Fig. 2, the body bag 1 of the handbag styles that is sewn into by the software warm material, its lining is selected chemical fabrics such as rainproof nylon taffeta for use, middle heat-insulation layer is selected cheap warm materials such as EVA, sponge, tin silk floss for use, about 7 liters of bag internal volume.At body bag 1 inner bottom part, an aluminium courage 2 is installed, fix a guide block 3 in the central, a square hole is opened in the position of corresponding guide block 3 at the bag end, and guide block 3 is exposed outside the bag, in outside, the bag end one plastic splint 4 is arranged, link by screw and aluminium courage 2, heat-insulation layer is fixed at the bottom of the bag that the centre is clamped.Cover one nylon registration arm 7 on joint bolt is to keep the spacing between aluminium courage 2 and the clamping plate 4.Clamping plate 4 central authorities open a square hole, make guide block 3 be arranged in square hole, and its end face is concordant with clamping plate 4 surfaces.Below clamping plate 4, fix a underframe 5.By 6 cover screws and registration arm 7 aluminium courage 2, body bag 1, clamping plate 4, underframe 5 are tightened to an integral body.Select later-model computer chip cooling fan-P II 450cpu double fan cooling vessel for use, transform radiating element into into thermoelectric cooling module.Earlier 2 fans 9 are pulled down from radiating gill 10, removed the metal spring leaf with the fastening connection usefulness of chip base, correct position bores two holes that diameter is φ 3.5mm from the radiating gill 10 again, so that connect with guide block 3.Thermoelectric cooling module 8 is between guide block 3 and radiating gill 10, and huyashi-chuuka (cold chinese-style noodles) pastes guide block 3 end faces, and hot side pastes radiating gill 10 planes.Between two contact surfaces, all scribble heat-conducting silicone grease.By two screws radiating gill 10, thermoelectric cooling module 8 and guide block 3 closely are fixed together, require two faces all to contact reliably, to reduce thermal resistance.In order to prevent to cause heat leakage between radiating gill 10 and the guide block 3, overlap a nylon insulating mat respectively at the head of screw by screw.Two fans 9 are fixed on the radiating gill 10 with 4 self-tapping screws respectively.There are two ventilation inlets the position of the corresponding fan 9 in base plate 11 middle parts.With self-tapping screw 4 rubber cushions 12 and base plate 11 be fixed on underframe below, constitute the bottom of dual-purpose bag.Direct current power source socket 13, cold/hot merit energy select switch 14 and indicator lamp 15 all are positioned at the side of underframe 5.

Fig. 3 is the back panel wiring circuit diagram, and its annexation is as follows: direct supply is by socket 13 input, when 14 groups on switch upward, electric current through the right light-emitting diode of resistance R 1, indicator lamp 15 flow through, right pipe lights, and is indicated as the refrigeration mode of operation; At this moment, electric current gives fan 9 power supplies through rectifier diode D1, and fan 9 is radiating gill 10 heat radiations; Simultaneously, electric current is given the power supply of thermoelectric cooling module 8 forwards through temperature relay 6, makes guide block 3,2 coolings of aluminium courage.Dial 14 downwards the time when switch, electric current flows through through the left side of indicator lamp 15 light-emitting diode, R2, and this pipe is lighted, and is indicated as the heating work state; At this moment, D1 ends, and fan is not worked; Electric current flows through through thermoelectric cooling module 8 and temperature relay 6, and refrigerating assembly 8 is in reverse power supply, heating guide block 3, aluminium courage 2.When temperature rose to setting value, the working current of thermoelectric cooling module 8 was cut off in the normally closed contact automatic cutout of relay 6, thereby can the interior heating-up temperature of controlling packet.

Claims (3)

1, a kind of semiconductor portable formula refrigeration heat is hidden dual-purpose case and bag, form by body bag [1], aluminium courage [2], guide block [3], thermoelectric cooling module [8], radiating gill [10], fan [9], underframe [5], base plate [11] and control circuit, it is characterized in that: body bag [1] is made with the software warm material, the bag inner bottom part is aluminium courage [2] fixedly, central fixed guide blocks [3] at aluminium courage [2], between guide block [3] and radiating gill [10], place thermoelectric cooling module [8], and fastening with screw; Radiating gill [10] is the light-duty radiating gill that the computer chip cooling vessel is used; Fan [9] is the miniature brush-less fan of computer chip cooling usefulness, totally two, is screwed respectively on radiating gill [10]; In body bag [1] bottom underframe [5] is arranged, there is ventilation inlet the side, base plate [11] be positioned at underframe [5] below, there is heat radiation air outlet its position corresponding to two fans [9]; Direct current power source socket [13], functional select switch [14] and indicator lamp [15] are installed in side at underframe [5]; It is fixing that series connected temperature relay [6] is close to guide block [3] in the refrigerating assembly power circuit; Two light emitting diode lamps [15], thermoelectric cooling module 8, fan 9 be the fixed end of access function select switch [14] respectively.

2, a kind of semiconductor portable formula refrigeration heat according to claim 1 is hidden dual-purpose case and bag, and it is characterized in that: body bag [1] adopts the software warm material to be sewn into, and its lining is selected rainproof nylon taffeta for use, and middle heat-insulation layer is selected cheap warm material for use.

3, a kind of semiconductor portable formula refrigeration heat according to claim 1 is hidden dual-purpose case and bag, it is characterized in that: radiating gill [10] and fan [9] are to be converted by a kind of later-model computer chip cooling fan-P II 450cpu double fan cooling vessel, go up boring at radiating gill [10], so that connect fastening thermoelectric cooling module [8] with guide block [3] with screw.

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