CN2146181Y

CN2146181Y - Thermoelectric cooling and heating water bed

Info

Publication number: CN2146181Y
Application number: CN 93227069
Authority: CN
Inventors: 于长胜
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-01-07
Filing date: 1993-01-07
Publication date: 1993-11-17
Anticipated expiration: 2003-01-07

Abstract

The utility model provides an improved thermoelectric cooling and heating water bed. The water bed of a water circulation system is composed of a water mattress, a water pipe, a water pump and a hot and cold exchanger, a hot and cold changeover switch, and a temperature control circuit. The utility model is characterized in that the hot and cold exchanger is composed of a square pipe which is in the center and semiconductor refrigeration blocks and radiating fins which are at periphery. Under the condition of the hot and cold changeover switch transforms the polarity of the electric current and the control of the temperature control circuit, the thermoelectric cooling and heating water bed cools down or heats up according to the requirements of the people. The utility model has wide hot and cold regulation range, cools down the patient who has hyperpyrexia, provides a hot water mattress for sleeping of the people in winter, and satisfies the requirements of warm in winter and cool in summer.

Description

Thermoelectric cooling and heating water bed

The utility model relates to that hotel, a kind of family bedroom dosses or therapeutic medical hot and cold water bed.

People's life at present has varied with bed or medical bed, water bed also has multiple.Advantage as water bed has been that people are in common knowledge, is a kind of recirculated water homeothermic water cusion as Chinese patent CN217788U, has to be connected with S type water pipe and thermosistor and water pump formation in the water cushion, and the water in the thermosistor is electrical heating.This technology can not refrigeration.Be the S water pipe structure in addition in the water cushion, that can not realize water is used for supporting human body, the uneven stressed human body somewhere that makes will occur and produce the paralysis phenomenon.Existing water bed water temperature can be along with the continuity of service time raises gradually, and this is because the water bed cause that constantly absorbs human body and surrounding environment heat and they are accumulated in use.Each user requires also to have nothing in common with each other to the serviceability temperature of water bed, for example use water bed summer, can wish that the water bed temperature is a little less than body temperature, someone then can desired temperature is low more sleeps satisfiedly more, also there is people's user can wish all to use throughout the year water bed, and wish and to regulate the water bed temperature easily according to the weather in the four seasons.The cold in summer, winter heat, spring and autumn, then temperature was moderate or all keep a steady temperature throughout the year.If water bed is used for medical aspect, then need the temperature range of regulating then bigger, as be used to replace ice cube or ice bag to give the high fever patient cooling, wish that then the water bed temperature can reach the freezing point near; If be used for patient is carried out thermotherapy, wish again then that the water bed temperature can reach and be higher than body temperature.

For solving the deficiency of above-mentioned technology, task of the present utility model is to utilize the principle of thermoelectric (al) cooling, heat, provides a kind of comfortable temperature range of human body that makes big, causes the wide water bed of hot and cold purposes.

Task of the present utility model realizes by following technical scheme: it is to utilize the conductor refrigeration piece, claims the cool-heat-exchanger of thermoelectric cooling module again, reaches the purpose of refrigeration or pyrogenicity.It is that the metallic conductor of any two kinds of different materials is connected that the principle of semiconductor refrigerating piece is based on Peltier (Peltier) effect, when the conductor two ends pass to direct current, then except that Joule heat, also have unnecessary heat to absorb or discharge according to the sense of current is different in the joint, the semiconductor cooler of manufacturing with it, promptly go up cold accumulator of installing at an end face (refrigeration face) of conductor refrigeration piece, at radiator of other end installing, at refrigerating block, cold accumulator, the heat-barrier material filling of the gap of radiator, its effect is to isolate the heat loss that cold and hot end clearing house produces, thereby improve the refrigeration thermal efficiency, like this semiconductor refrigerating block is passed to safe direct current, huyashi-chuuka (cold chinese-style noodles) at it just can refrigeration, hot side just can pyrogenicity, when changing electric power polarity, refrigerating block energy reversible working promptly becomes original refrigeration face and is pyrogenicity, and the pyrogenicity face is refrigeration.Consider with the conductor refrigeration piece and do cool-heat-exchanger.Heat exchange to as if recirculated water, so just existing block cold accumulator has been done the design that adapts to new solution, be about to cold accumulator be designed to the square tube type 2--4 conductor refrigeration piece 2--1 of cavity and radiator 2--2 be fixed on it around, the two ends of cavity square tube type cold accumulator are the import and export 2-5 of recirculated water, the adjacent 2--3 of refrigerating block, just the PN junction that four jiaos of places of refrigerating block are exposed is cured processing, such processing can improve the refrigeration life-span 50%, recirculated water will be constantly by refrigeration by cavity square tube type cold accumulator like this, till water temperature drops to design temperature, when conversion refrigeration electric power polarity, cold and hot end conversion, cavity square tube type cold accumulator is by pyrogenicity, and the recirculated water of flowing through is also just constantly by pyrogenicity, and is high to design temperature outside water temperature.

The technical solution of the utility model is by water bed 1 cool-heat-exchanger 2 for this reason, water pump 3, water pipe 4, cooling-heating change-over switch and temperature control circuit constitute, water bed has water bag, outlet above the water bag, inlet connect water pipe, cross current cool-heat-exchanger heart portion square tube type cold accumulator two-port is communicated with water pump 3 again, become water circulation system, the cooling-heating change-over switch of electric part and the power line of temperature control circuit and control line are connected the lead-out wire of thermoelectric (al) cooling piece of cool-heat-exchanger and the lead-out wire and the air-cooled electric fan lead-out wire of water pump respectively.The water bed of the thermoelectric (al) cooling heat of Gou Chenging like this.

Water bed bed body of the present utility model has effect and the decorative appearance that overcoat 1--1 is the protection water bag, makes create an aesthetic feeling, and water bag 1--2 is used for water storage and supports human body is the major part of water bed, and sponge frame 1--4 is fixedly water bag and insulation effect.Water in the water inlet 1--3 of water bed and the delivery port 1--5 water bed is exactly to be communicated with water pipe 4 by these two gateways to be communicated with the water circulation that water pump 3 is communicated with the cold accumulator formation of cavity square tube again.

Have in the utility model and adopt temperature sensor μ PC616 in temperature control circuit, the circuit, μ PC616 is integrated with temperature-sensitive element and linear circuit, temperature controlling point potentiometer RW sets, its course of work is when environment temperature is lower than the setting temperature controlling point, μ PC616 output high level transistor V saturation conduction relay J ₁Adhesive ends relay J when environment temperature is higher than setting temperature controlling point μ PC616 output low level transistor V ₁Discharge, control thermoelectric (al) cooling, thermal technology's work with this, it is by change-over circuit change-over switch to be arranged that the thermoelectric (al) cooling piece causes hot and cold method of work.The relay of control water pump has relay indicating light.Its course of work: all contact positions are the refrigeration position in circuit, adjust potentiometer and set the control temperature range, if this moment, the water bed water temperature was higher than the setting temperature controlling point, not adhesive of relay, normally-closed contact is connected power supply, the refrigeration of thermoelectric (al) cooling BOB(beginning of block), the work of relay adhesive water circulating pump, normally-closed contact can be connected cooling fan work, relay indicating light is bright, when the water bed temperature is lower than the setting temperature controlling point, and the relay adhesive, normally-closed contact disconnects, its cold and hot change-over circuit is not worked, and when water temperature was higher than the setting temperature controlling point again gradually, relay discharged again, circuit is started working again, makes the water bed water temperature stability at design temperature so repeatedly.

If cooling-heating change-over switch is beaten in the pyrogenicity position, just with above-mentioned electric power polarity conversion, the thermoelectric (al) cooling piece is in pyrogenicity and gives state fully, adjust potentiometer RW and set temperature controlling point, if this moment, the water bed water temperature was higher than the setting temperature controlling point, not adhesive of relay, thermoelectric (al) cooling heat is not worked, when being lower than, the water bed temperature sets the temperature controlling point adhesive that continues, the normally opened contact contact, the work of thermoelectric (al) cooling piece pyrogenicity water circulating pump, because this moment, change-over switch was beaten on the pyrogenicity position, no matter relay adhesive or release, air-cooled electric fan is not all worked, and relay discharges when setting temperature controlling point when the water bed water temperature is higher than again gradually, thermoelectric (al) cooling heat quits work again so repeatedly, makes the water bed water temperature stability in setting value.If cooling-heating change-over switch is beaten in the refrigeration position, then working method is opposite.

The utility model compared with prior art, because the water bag of water bed is to be full of recirculated water, make people's parts of body stressed evenly, make sleeping eyes obtain good result, because being square tube type, the interchanger of thermoelectric (al) cooling heat realizes finishing the Heshui pump work, carried out the circulation of water, heat is imitated high, the cooling that heats up is fast, and realized than big temperature range, near the water temperature need in the cooling in summer of heat and the medical treatment can be applied to 0 ℃ or be higher than the water temperature of human body temperature enlarged range of application, so also can be used in and use warm mattress cold winter.Constant temperature can be reconciled and keep to the water bed temperature as required arbitrarily in its adjustable range in a word.

Fig. 1 is the utility model structural representation.

Fig. 2 is the schematic diagram of the utility model water bed mattress.

Fig. 3 is a cool-heat-exchanger schematic diagram of the present utility model.

Fig. 4 is the utility model temperature-control circuit figure.

Fig. 5 is the cold and hot exchange work of the utility model change-over circuit figure.

The 1--water bed mattress, 2--cool-heat-exchanger, 3--water pump, the 4--water pipe, 5--temperature control circuit change-over switch, power supply, the 1--1 overcoat, 1--2 water bag, 1--3 water inlet, the 1--4 frame, 1--5 delivery port, 2--1 conductor refrigeration piece, the 2--2 fin, the 2--3 fluid sealant, 2--4 square tube cool storage container, 2--5 recirculated water.

Below in conjunction with accompanying drawing the utility model is described specifically.

Shown in accompanying drawing, if the utility model is the cold and hot water bed that is used to sleep, can select TECI--12703 type refrigerating block for use, operating voltage 12V, operating current 3A, maximum temperature difference is greater than 55 ℃, cooling power 33W, appearance and size 40 * 40 * 5mm, the heat exchanger made from 12 pieces of TECI--12703 type refrigerating blocks can reach substantially requirement cool-heat-exchanger power can reach 400W can the satisfied temperature scope, from Celsius tens requirements of spending thirties degree Celsius.

Water circulating pump can meet the demands with the micro pump of 1 meter Yang Cheng, and the radiator cooling fan adopts the general instrument fan.

As be used for medical cold, hot two-purpose water bed: hospital carries out Physical temperature-lowering for the high fever patient and mostly adopts ice cube or ice bag in the past, if make high-power heat exchanger with polylith conductor refrigeration piece, the water bed water temperature is dropped near the freezing point, can be raised to the required temperature of treatment to water temperature easily if carry out thermotherapy by water bed.Because medical water bed need heat up or lower the temperature rapidly, is to use temperature range big, required heat exchanger power is far longer than sleep water bed power.

One piece of TECI--12705 type refrigerating block, operating voltage 12V, operating current 5A, maximum temperature difference is greater than 55 ℃ of cooling power 40W, overall dimensions 40 * 40 * 4mm, the heat exchanger made from 56 pieces of TECI--12705 type refrigerating blocks can reach the cooling power greater than 2000W.

Adopt 2m lift water circulating pump can satisfy water circulation requirement, the radiator cooling fan adopts the instrument cooling fan.

Fig. 4 is a kind of temperature control circuit figure, has adopted novel temperature sensor UPC616 in the circuit, and UPC616 is integrated with temperature-sensitive element and linear circuit, thereby has simplified circuit widely, and temperature controlling point is set by potentiometer RW.The concrete course of work is that UPC616 exports high level when environment temperature is lower than the setting temperature controlling point, and transistor V satisfies and closes conducting.Relay J ₁Adhesive; When environment temperature is higher than the setting temperature controlling point, UPC616 output low level transistor V ends relay J ₁Discharge, with the work of these control chart 5 circuit.

Fig. 5 is the refrigeration of thermoelectric (al) cooling piece, refrigeration duty change-over circuit K ₁Be change-over switch, J ₂Be the water pump control relay, ZD is a relay indicating light, and the concrete course of work is: all contact positions are the refrigeration position among Fig. 5, adjust potentiometer RW setting temperature controlling point among Fig. 4.If this moment, the water bed water temperature was higher than setting temperature controlling point, relay J ₁Not adhesive, J _1--1Normally-closed contact is connected power supply, the refrigeration of thermoelectric (al) cooling BOB(beginning of block), relay J ₂Adhesive, water circulating pump work.J _1--2Normally-closed contact is connected cooling fan work, and relay indicating light is bright, when the water bed water temperature is lower than setting temperature controlling point, relay J ₁Adhesive, J _1--1Normally-closed contact disconnects, J _1--2Normally-closed contact disconnects, and whole Fig. 5 circuit is not worked, when the water bed water temperature again gradually custard when setting temperature control, relay J ₁Discharge again, Fig. 5 circuit is started working again, as inhaling repeatedly, makes the water bed water temperature be lower than setting temperature controlling point, relay J ₁Adhesive, J _1--1The normally opened contact contact, Fig. 5 circuit working, thermoelectric (al) cooling piece pyrogenicity, water circulating pump work is because K ₁Beat this moment on the pyrogenicity position, no matter little adhesive of relay or release, and air-cooled electric fan is not all worked, when the water bed water temperature is higher than again when setting temperature controlling point gradually, the little release of relay, Fig. 5 circuit quits work again, so repeatedly, the water bed water temperature stability is being set value.

Claims

1, a kind of thermoelectric (al) cooling, hot water bed, constituted by water bed mattress 1, cool-heat-exchanger 2, water pump 3, water pipe 4, cooling-heating change-over switch and temperature control circuit, it is characterized in that water bed mattress is a water bag, the water in-out port of water bag connects water pipe, cross current cool-heat-exchanger heart portion square tube type cold accumulator two-port is communicated with water pump becomes water circulation system, and the cooling-heating change-over switch of electric part and the power line of temperature control circuit and control line are connected the lead-out wire of thermoelectric (al) cooling piece of cool-heat-exchanger and the lead-out wire and the air-cooled electric fan lead-out wire of water pump respectively.

2, thermoelectric (al) cooling hot water bed according to claim 1, it is characterized in that said water bed mattress has to establish in the overcoat 1-1 and has frame 1--4 around the water bag 1-2, water bag has delivery port and water inlet, cool-heat-exchanger is the cold accumulator 2--4 of square tube type, the fixing thermoelectric (al) cooling block assembly 2--1 that is provided with around it is outer, the fixing radiator 2--2 that fin is housed around the refrigerator assembly outside is in four jiaos of places of square tube of refrigerating block combination, fluid sealant encapsulation process.