CN102113786A - Automatic temperature-control chair and control method thereof - Google Patents
Automatic temperature-control chair and control method thereof Download PDFInfo
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- CN102113786A CN102113786A CN2009102478036A CN200910247803A CN102113786A CN 102113786 A CN102113786 A CN 102113786A CN 2009102478036 A CN2009102478036 A CN 2009102478036A CN 200910247803 A CN200910247803 A CN 200910247803A CN 102113786 A CN102113786 A CN 102113786A
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Abstract
The purpose of the invention is to provide an automatic temperature-control chair which can control the temperature automatically. To realize the above purpose, the technical scheme of the invention is that: an automatic temperature-control chair comprises a chair and a temperature-control device; the temperature-control device comprises a heating device, a cooling device, and a temperature-control selection device; the heating device and the cooling device are disposed under the chair seat; and the temperature-control selection device is serially connected with the heating device and the cooling device which are in parallel connection with each other. The chair can provide special care to some special patients such as patients in emergency or population with action difficulty, and allow them to rest and receive treatment on a chair with suitable temperature.
Description
Technical field
The present invention relates to a kind of control method, particularly a kind of temperature automatically controlled chair and control method thereof.
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.
Summary of the invention
The object of the present invention 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, technical scheme of the present invention 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 present invention provides the control method of aforesaid temperature automatically controlled chair on the other hand, step after it is characterized in that comprising:
A) heating step: when the temperature of temperature automatically controlled chair below 20 degrees centigrade the time, the resistance value of thermistor is below 20 ohm, voltage judges that selector then can detect voltage and be lower than 5.6 degree so, this moment is from the circuit of the heater that is dynamically connected;
B) cooling step: when the temperature of temperature automatically controlled chair more than 25 degrees centigrade the time, the resistance value of thermistor is more than 30 ohm, then this moment, voltage judged that selector can detect voltage and be higher than
6v then is communicated with the circuit of cooling device this moment;
C) constant temperature step: when the temperature of the temperature control chair that blinks between 20 to 25 degrees centigrade the time, the resistance value of thermistor is at 20-30 ohm, this moment, voltage judged that selector can automatic shutoff circuit.
The present invention is owing to adopted above-mentioned technology, and 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, and people use chair that convenience is provided, and prevents that the chair temperature is too high or temperature is low excessively, makes the comfortable use chair of people.
3. this temperature automatically controlled chair does not need manual operation, and it can regulate the temperature height of chair automatically, and adjustment to human body sentient suitable temperature.
Description of drawings
Fig. 1 is the circuit diagram of temperature regulating device of the present invention.
Fig. 2 is the resistance value and the variation of temperature curve map of the thermistor among the present invention.
The specific embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
See also Fig. 1, temperature regulating device circuit diagram for the specific embodiment of the invention, 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 R5, 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 variable resistor 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 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, temperature regulating device can carry out following step:
A) heating step: when the temperature of temperature automatically controlled chair below 20 degrees centigrade the time, the resistance value of thermistor is below 20 ohm, voltage judges that selector then can detect voltage and be lower than 5.6 degree so, this moment is from the circuit of the heater that is dynamically connected;
B) cooling step: when the temperature of temperature automatically controlled chair more than 25 degrees centigrade the time, the resistance value of thermistor is more than 30 ohm, then this moment, voltage judged that selector can detect voltage and be higher than 6v, then was communicated with the circuit of cooling device this moment;
C) constant temperature step: when the temperature of the temperature control chair that blinks between 20 to 25 degrees centigrade the time, the resistance value of thermistor is at 20-30 ohm, this moment, voltage judged that selector can automatic shutoff circuit.
First kind of situation is when ambient temperature greater than 25 degrees centigrade the time, 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 seat cushions is raise.The third situation is, if this moment 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 that means replace with other, reach the identical functions effect.
As shown in Figure 2, for the resistance value of the thermistor among the present invention 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.
Novel structure of the present invention, convenient processing, easy to use, be 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 invention does not limit technical scheme of the present invention and protection domain, and employing equivalent technologies means etc. will be understood that it is not exceed claims of the present invention and the disclosed scope of specification to the improvement of claims of the present invention and the disclosed technical scheme of specification.
Claims (5)
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, and 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 of parallel connection.
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.
5. the control method of temperature automatically controlled chair as claimed in claim 1, step after it is characterized in that comprising:
A) heating step: when the temperature of temperature automatically controlled chair below 20 degrees centigrade the time, the resistance value of thermistor is below 20 ohm, voltage judges that selector then can detect voltage and be lower than 5.6 degree so, this moment is from the circuit of the heater that is dynamically connected;
B) cooling step: when the temperature of temperature automatically controlled chair more than 25 degrees centigrade the time, the resistance value of thermistor is more than 30 ohm, then this moment, voltage judged that selector can detect voltage and be higher than 6v, then was communicated with the circuit of cooling device this moment;
C) constant temperature step: when the temperature of the temperature control chair that blinks between 20 to 25 degrees centigrade the time, the resistance value of thermistor is at 20-30 ohm, this moment, voltage judged that selector can automatic shutoff circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102478036A CN102113786A (en) | 2009-12-31 | 2009-12-31 | Automatic temperature-control chair and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102478036A CN102113786A (en) | 2009-12-31 | 2009-12-31 | Automatic temperature-control chair and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102113786A true CN102113786A (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102478036A Pending CN102113786A (en) | 2009-12-31 | 2009-12-31 | Automatic temperature-control chair and control method thereof |
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| CN (1) | CN102113786A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584559A (en) * | 2013-11-25 | 2014-02-19 | 无锡通明科技有限公司 | Chair with functions adjusted according to temperature |
| CN103735074A (en) * | 2014-01-23 | 2014-04-23 | 太仓苏易信息科技有限公司 | Intelligent temperature control chair |
| CN105919331A (en) * | 2016-06-16 | 2016-09-07 | 安庆市宇控电子科技有限公司 | Smart chair |
-
2009
- 2009-12-31 CN CN2009102478036A patent/CN102113786A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103584559A (en) * | 2013-11-25 | 2014-02-19 | 无锡通明科技有限公司 | Chair with functions adjusted according to temperature |
| CN103735074A (en) * | 2014-01-23 | 2014-04-23 | 太仓苏易信息科技有限公司 | Intelligent temperature control chair |
| CN105919331A (en) * | 2016-06-16 | 2016-09-07 | 安庆市宇控电子科技有限公司 | Smart chair |
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Application publication date: 20110706 |