CN201630714U - Automatic temperature control chair - Google Patents
Automatic temperature control chair Download PDFInfo
- Publication number
- CN201630714U CN201630714U CN2009202149392U CN200920214939U CN201630714U CN 201630714 U CN201630714 U CN 201630714U CN 2009202149392 U CN2009202149392 U CN 2009202149392U CN 200920214939 U CN200920214939 U CN 200920214939U CN 201630714 U CN201630714 U CN 201630714U
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- CN
- China
- Prior art keywords
- chair
- temperature
- temperature control
- heater
- thermistor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to an automatic temperature control chair. The utility model aims at providing an automatic temperature control chair which can overcome the defects and can automatically control the temperature. In order to realize the purpose, the technical scheme of the automatic temperature control chair is an automatic temperature control chair; wherein the automatic temperature control chair includes a chair and a temperature controller; the temperature controller consists of a heater, a cooler and a temperature selector; the heater and the cooler are arranged below a chair seat; the temperature selector is connected in series with the heater and the cooler which are connected in parallel. The automatic temperature control chair can provide special care for a plurality of special patients like high risk patients or handicapped crowds to lead the high risk patients or handicapped crowds to rest and heal on the chair with proper temperature.
Description
Technical field
The utility model relates to a kind of chair, is specifically related to a kind of temperature automatically controlled chair.
Background technology
Chair is the daily necessities commonly used in people's daily life, when people when using chair, wish that all the temperature of the temperature of chair and human body is just in time suitable.Weather colder the district, if people just the seat to chair time, can feel that the lower part of the body is ice-cold, and in the process that people sit, can be in inactive state, the lower limb velocity of blood flow can slow down always, if be sitting in for a long time on the chair, then may infringement be arranged to the lower limb nerve of human body.At present people can prevent that the ice-cold temperature of chair is low by place mat one deck cotton wool thing on chair, but in the area or the season of weather sweltering heat, this method can not help people to disencumber.In the area or the season of weather sweltering heat, people tend to because weather is too warm and fidgety, and the local stuffy stuffiness that lower limb contacts with chair when being sitting on the chair, and often perspiration easily makes people can't be willing to sitting.But chair is again an indispensable daily necessities in people's daily life, almost all will use for each person every day.Say that for some special population people current chairs has more embodied its intrinsic defective, because some high risk patient, physique in poor health is poor, in the time of on being sitting in chair, also wants sitting in the above even the chair temperature is uncomfortable.This chair has alleviated patient's comfort level and has increased nursing staff's operating pressure.
The utility model content
The purpose of this utility model is to provide a kind of above-mentioned shortcoming that overcomes, temperature automatically controlled chair that can be temperature automatically controlled.
To achieve these goals, the technical solution of the utility model is:
A kind of temperature automatically controlled chair, comprising chair and temperature regulating device, described temperature regulating device is by heater, cooling device and temperature control selecting arrangement, and heater and cooling device are placed under the seat support, and the temperature control selecting arrangement is connected with cooling device string road with the heater that is connected in parallel.
Aforesaid temperature automatically controlled chair, wherein said temperature control selecting arrangement comprises voltage judgement selector, dc source, thermistor, controlled valve and fixed value resistance, they are connected on the circuit, and controlled valve is arranged on the chair handle, and thermistor is arranged in the cushion of chair.
Aforesaid temperature automatically controlled chair, wherein said thermistor are a resistance that raises with the rising resistance of temperature.
Aforesaid temperature automatically controlled chair, wherein said heater comprises heating wire, insulating barrier, described heating wire is two-wire and is arranged in the insulating barrier around shape.
The utility model is owing to adopted above-mentioned technology, the good effect that makes it compared with prior art to have is: 1. can provide special care for some special patients such as high risk patient or handicapped crowd, they can be had a rest on the suitable chair of temperature cure the disease.
2. for special area or special season, people use chair that convenience is provided, and prevent that the chair temperature is too high or temperature is low excessively, make the comfortable use chair of people.
Description of drawings
Fig. 1 is the circuit diagram of the temperature regulating device of the temperature automatically controlled chair of the utility model.
Fig. 2 is the resistance value and the variation of temperature curve map of the thermistor in the temperature automatically controlled chair of the utility model.
The specific embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
See also Fig. 1, temperature regulating device circuit diagram for the utility model specific embodiment, shown a kind of temperature automatically controlled chair, comprise chair and temperature regulating device, described temperature regulating device is by heater 1, cooling device 2 and temperature control selecting arrangement, heater 1 and cooling device 2 are placed under the seat support, and the temperature control selecting arrangement is connected with cooling device 2 string roads with the heater 1 that is connected in parallel.The temperature control selecting arrangement comprises voltage judgement selector 3, dc source, thermistor 4, controlled valve 6 and fixed value resistance R 5, wherein going up resistance value is 5 Ω, they are connected on the circuit, controlled valve 6 is arranged on the chair handle, voltage judges that selector 3 and thermistor 4 get final product power transformation resistance back in parallel and connect with fixed value resistance 5, this thermistor is the high variable resistor of a kind of sensitivity, this resistance and temperature have certain change curve, when temperature in 20 degree time, its resistance value is 20 ohm, when temperature was 30 degree, the resistance value of this resistance was 30 ohm.This circuit dc source of also having connected, the voltage of this dc source is 7 volts, so change to from 20 ohm when the resistance value of thermistor 4 30 ohm the process, the voltage of this thermistor 4 also changes to 6 volts from 5.6 volts, and this voltage judges that by voltage selecting arrangement records and comes cutting out of selector switch according to certain voltage.The operation principle of this temperature regulating device is such: when people shut the controlled valve 6 that is arranged on the chair handle, this circuit of having connected dc source is connected automatically, described thermistor is arranged in the cushion of chair, the temperature that records chair pad in this chair that meeting is sensitive, and resistance value has sensitive variation with variation of temperature.Because the difference of ambient temperature may have three kinds of situations, first kind: when ambient temperature the time greater than 25 degrees centigrade, the resistance value of thermistor can be greater than 30 ohm, the voltage judgement selecting arrangement 3 in parallel with thermistor can be measured the voltage of thermistor, when voltage during greater than 6 volts, then can connect cooling device, make the cooling device operation of can switching on, the temperature of chair is reduced.Second kind of situation is when temperature is lower than 25 degrees centigrade, when the resistance value of thermistor 4 changes to 20 ohm, voltage will be reduced to 5.6 volts, the voltage of this moment judges that selector will be connected with heater 1, after this electric calorifie installation circuit UNICOM, can produce heat, the temperature of chair cushion is raise.The third situation is, if this moment seat cushion temperature just in time within suitable scope (aforesaid 20-25 degree centigrade), the voltage of this moment is also between the 5.6-6 volt, the voltage of this moment is judged selecting arrangement meeting disconnecting circuit, promptly be not connected with heater 1, be not connected with cooling device 2, this moment, circuit breaker did not have electric current to pass through yet.If too high or too low for temperature, above-mentioned first kind or second kind situation then can appear, and circuit communication begins cooling or intensification.Two circuit cooperatings in this specific embodiment, the circuit that connects heater and cooling device uses AC power, this AC power can be 220 volts a common common voltage, also can be through the voltage after the transformation, the outer end of this circuit can be provided with a plug, in the time of needs and extraneous power connection, when unwanted the time, pull out power supply.Power supply in another circuit can be a dry battery power, and its voltage is 7 volts.Voltage in this specific embodiment and resistance value can be equal to means with other replaces, and reaches the identical functions effect.
As shown in Figure 2, for the resistance value of the thermistor in the utility model with the variation of temperature curve, as can be seen from Figure, described resistance value be with the variation of temperature curve be a straight line change curve, promptly resistance value and temperature are directly proportional.When the temperature in the external world in 20 degrees centigrade, the resistance value of this resistance is 20 ohm, when the temperature in the external world in 25 degrees centigrade, the resistance value of this resistance is 30 ohm.And the changing value of the resistance value of this resistance and variation of temperature value are constant values.
The utility model novel structure, convenient processing is fit to be applied in various occasions, as hospital, family etc.The protection health also there is special effect.
Various specific embodiment of the present utility model does not limit the technical solution of the utility model and protection domain, and employing equivalent technologies means etc. will be understood that it is not exceed the utility model claims and the disclosed scope of specification to the improvement of the utility model claims and the disclosed technical scheme of specification.
Claims (4)
1. temperature automatically controlled chair, it is characterized in that: comprise chair and temperature regulating device, described temperature regulating device is by heater, cooling device and temperature control selecting arrangement, heater and cooling device are placed in the seat support bottom, and the temperature control selecting arrangement is connected with cooling device string road with the heater that is connected in parallel.
2. temperature automatically controlled chair as claimed in claim 1, it is characterized in that: described temperature control selecting arrangement comprises voltage judgement selector, dc source, thermistor, controlled valve and fixed value resistance, they are connected on the circuit, controlled valve is arranged on the chair handle, and thermistor is arranged in the cushion of chair.
3. temperature automatically controlled chair as claimed in claim 2 is characterized in that: described thermistor is the resistance that resistance value raises with the rising of temperature.
4. temperature automatically controlled chair as claimed in claim 2 is characterized in that: described heater comprises heating wire, insulating barrier, and described heating wire is two-wire and is arranged in the insulating barrier around shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202149392U CN201630714U (en) | 2009-12-31 | 2009-12-31 | Automatic temperature control chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202149392U CN201630714U (en) | 2009-12-31 | 2009-12-31 | Automatic temperature control chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201630714U true CN201630714U (en) | 2010-11-17 |
Family
ID=43075185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202149392U Expired - Fee Related CN201630714U (en) | 2009-12-31 | 2009-12-31 | Automatic temperature control chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201630714U (en) |
-
2009
- 2009-12-31 CN CN2009202149392U patent/CN201630714U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20101231 |