CN2114260U - Electric heating rug with a automatic control means - Google Patents
Electric heating rug with a automatic control means Download PDFInfo
- Publication number
- CN2114260U CN2114260U CN 91214754 CN91214754U CN2114260U CN 2114260 U CN2114260 U CN 2114260U CN 91214754 CN91214754 CN 91214754 CN 91214754 U CN91214754 U CN 91214754U CN 2114260 U CN2114260 U CN 2114260U
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- CN
- China
- Prior art keywords
- circuit
- temperature
- control circuit
- control
- delay
- Prior art date
- 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.)
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- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Abstract
The utility model relates to an electric heating rug with an automatic control device. The utility model is characterized in that a temperature sensor or a plurality of temperature sensors are arranged in the interlayer of the rug body, and the temperature sensors and electric heating wires are connected with a control device by conductor wires; the control device comprises a control circuit, switches, regulating keys, etc., the control circuit comprises a power supply, a delay control circuit, a thermostatic control circuit, an executive circuit, etc., and the temperature regulation, the thermostatic control and the delay control can be carried out. The electric heating rug with an automatic control device has the advantages of convenient operation, electricity saving, reliable thermostatic control and reliable delay control. The utility model overcomes the defects that the conventional electric heating rug has no functions of the thermostatic control and the delay control, the bed temperature can be overheated often when the people is asleep, harmful effects are brought, the electricity consumption is large, etc.
Description
The utility model belongs to the electric blanket in people's daily living article, particularly a kind of electric blanket that has adjustment and constant temperature and time-delay automatic control equipment.
The electric blanket of Xiao Shouing in the market generally only is provided with high and low two temperature retaining, and the break-make of coming control circuit by mains switch, to reach the purpose whether electric blanket in use heats.This type of electric blanket, owing to do not have time-delay and thermostatical automatic control device, in use Control work temperature and interruption power supply automatically.Therefore exist and use inconveniently, tend to bring disadvantages such as harmful effect and power consumption to the user after temperature regulating range is narrow, sleeping because of bed temperature is overheated.
The purpose of this utility model is, but a kind of both step-less adjustment electric blanket working temperatures that has of design can be carried out constant temperature again and the electric blanket of the automatic control equipment of delaying time.This electric blanket can be regulated and select the working temperature and the operating time of electric blanket arbitrarily and carry out constant temperature simultaneously and time-delay control according to user's needs in the temperature range of regulation, reaching easy to use, and power saving and control purposes such as reliable.
Solution of the present utility model is to be hinged with a scalable temperature and to carry out constant temperature and the device of time-delay control between the power supply of conventional electric blanket and electric blanket.This device comprises power circuit part, delay control circuit part, constant temperature control circuit part, executive circuit part and switch, adjusting key etc.Wherein: power circuit is made up of rectification circuit and filter regulator circuit; Delay control circuit then comprises OR-NOT circuit and bleeder circuit etc.; Constant temperature control circuit then comprises OR-NOT circuit and one or more temperature sensor or temperature-sensing element (device) etc., and this transducer or senser are embedded in the interlayer of electric blanket blanket body, a place both can be set, also can establish many places; Executive circuit is then served as by bidirectional triode thyristor or other provided as one homogeneous element.Wherein time-delay and constant temperature control circuit pass through R
2With R
QAnd C
5, R
6, and R
5, C
4, R
4After the two contact parallel connections, the former is connected to the positive pole of voltage-stabiliser tube DW; The negative pole of the latter and DW and executive circuit element 3GTS join; G
310 of outputs then with R
7Connect.Temperature sensor or temperature-sensing element (device) and heating wire then join by insulated conductor and control circuit respectively.
Below in conjunction with accompanying drawing 2, further specify the operation principle of this control device.(1) power unit: comprise K switch
1, capacitor C
1, C
2, C
3, diode D
1, D
2, voltage-stabiliser tube DW, resistance R
1Deng.Closing Switch K
1, civil power is through C
1Step-down, D
1, D
2Halfwave rectifier, R
1, C
2, C
3, after the DW filtering, voltage stabilizing, provide the galvanic current source to the The whole control circuit.(2), delay control circuit part: comprise OR-NOT circuit G
1, G
2, G
3K switch
2And resistance R
2, R
3, R
4, R
5And potentiometer W
1, dichromatic LED LED
1Deng.In the time need not controlling heating time, K switch
2Closure, G
1Input is a low level, and output is a high level, LED
1Green light, G
2Be output as low level, this level is defeated by G
3An input a, as long as this moment is G
3Temperature control input b be low level, then G
3Be output as high level, this level is through resistance R
7And LED
2The control utmost point to bidirectional triode thyristor 3GTS provides trigger current, makes its conducting; When needs are delayed time control, off delay control switch K
2, capacitor C
4By R
2, W
1, R
4The bleeder circuit of forming is through R
3C is worked as in charging
4Both end voltage does not reach G
1During threshold voltage, G
1Input end is in low level, and circuit is by process work noted earlier.Work as C
4When both end voltage rises to threshold voltage, G
1Input is a high level, and output is a low level, thereby makes G
2Output is high level, i.e. G
3Input also be high level, LED
1Glow.Though this moment G
3Temperature control input b be in which kind of state, G
3Output be low level, LED
2Extinguish, controllable silicon 3GTS ends.Heating wire R then
fStop heating.As long as by time adjusting key regulator potentiometer W
1With regard to may command C
4Charging interval, thus reach the purpose that automatic time delay is controlled.(3) constant temperature control circuit part: this circuit is by G
3Input b and negative tempperature coefficient thermistor R
Q(or similar temperature sensor), W
2, R
6And C
5Form.When electric blanket is in predefined heating (promptly working) in the time time, because G
3Time control end a be in low level, if at this moment electric blanket temperature is lower than design temperature (being thermostatically controlled temp) value, G
3Temperature control input b also is a low level, at this moment G
3Output be high level, LED
2Bright, bidirectional triode thyristor 3CTS conducting, heating wire R
fWork; When rising, temperature makes R
QWhen resistance descends, G
3Temperature control input b current potential rise, when rising to G
3During threshold voltage, input b changes high level into, G
3Output become low level, LED at this moment
2Extinguish, 3CTS ends, R
f(being heating wire) quits work.So repeatedly the circulation, thereby reach the weighing apparatus temperature control purpose.When carrying out above-mentioned time-delay and thermostatic control, only at G
32 of input a, b when being low level, its output just is a high level, the 3CTS conducting; As long as when one of 2 of a, b were high level, its output was low level, 3CTS ends.(4), executive circuit part: its executive component is served as by bidirectional triode thyristor 3CTS or provided as one homogeneous element, works as G
33CTS conducting when being output as high level, heating wire R
fWork, on the contrary heating then stopped.
Effect of the present utility model is, because of being provided with constant temperature and time-delay automatic control equipment, and the electric blanket control of can in 1 to a few hours, delaying time heating time; Can in 30 ℃～70 ℃ operating temperature range, carry out thermostatic control again, when its constant temperature precision is positioned at human body with pad blanket contact area at sensor probe, can reach ± 1 ℃ according to user's requirement.Overcome conventional electric blanket owing to can not delay time and thermostatic control, tended in the sleep bring harmful effect to the user, reached disadvantages such as power consumption because of bed temperature is overheated.Therefore, the utlity model has easy to use, economize on electricity, characteristics such as reliable are controlled in constant temperature and time-delay.
Fig. 1 is the utility model structural representation;
Fig. 2, the utility model control circuit schematic diagram;
Fig. 3 is control device outline drawing (front view).
Among the figure: 1 is the blanket body, 2, and heating wire R
f, 3, temperature sensor, 4, control device, 5, attaching plug, 6 sensor probes, 7, the time adjusting key, 8, K switch
2, 9, K switch
1, 10, the adjustment key, 11, dichromatic LED LED
2, 12, LED
1
Embodiment
The OR-NOT circuit of the delay control circuit of present embodiment adopts G
1, G
2, G
3Three NOR gate integrated circuits are in series, and the OR-NOT circuit in the constant temperature control circuit then adopts G
3A NOR gate integrated circuit.
K switch among the embodiment
1, K
2All adopt K
2J
1Type list retaining straight line switch; C
1Be CBB2B, 1 μ F/400V, C
2, C
3Be CD11,100 μ F/16V, C
4Be CD11,470 μ F/16V; Diode D
1, D
2Be 2C251, voltage-stabiliser tube DW:11V, 1/2 W; The LED model is BT205, LED
2Be 2EF55; G
1, G
2, G
3Respectively be 4 * 2 NOR gate integrated packages, model is CD4001, and bidirectional triode thyristor 3CTS:1A/600V separates generating stream≤100mmA; Resistance all adopts the 0.125W fixed carbon resister, and model is RTB, wherein: R
1, 100 Ω, R
2Be 1M Ω, R
3500K Ω, R
4, 2.2M Ω, R
5, 1K Ω, R
6, 1.2M Ω, R
7, 500 Ω; Potentiometer W
1: WH-20-0.25W-1M Ω, W
2: WH-20-0.25W-220K; Temperature sensor 3 in the present embodiment, its R that pops one's head in
QAdopt negative tempperature coefficient thermistor, model is RC3-2, nominal resistance 750K Ω.The concrete practice be with this thermistor with two wire bonds after, except that its temperature measurement fraction as popping one's head in, remainder all adopts epoxy encapsulation in copper pipe together with connector lug, the long 30mm of copper pipe, diameter are φ 3mm; Treat to be dipped in its insulation resistance of survey in the dark water of 2m behind the resin solidification, resistance is answered 〉=1M Ω.Be fixed in then in the electric blanket interlayer, A, B 2 points that are connected in the control circuit are drawn at the lead two ends.The layout of heating wire, with former electric blanket, two ends join with power input and bidirectional triode thyristor 3CTS respectively, C
5Be 0.22 μ F/160V, electric capacity of the dacron.
Claims (2)
1, a kind of electric blanket with automatic control equipment comprises blanket body, switch, attaching plug, it is characterized in that it also comprises a scalable temperature and carries out constant temperature and the device of time-delay control; This device comprises power circuit part, delay control circuit part, constant temperature control circuit part, executive circuit part; Wherein: power circuit is made up of rectification circuit and filter regulator circuit; Delay control circuit then comprises OR-NOT circuit and bleeder circuit; Constant temperature control circuit then comprises OR-NOT circuit and one or more temperature sensor or temperature-sensing element (device); Executive circuit is then served as by bidirectional triode thyristor or other provided as one homogeneous element; Time-delay and constant temperature control circuit pass through R
2With R
QAnd C
5, R
6With R
5, C
4, R
4After 2 parallel connections, the former is connected to the positive pole of voltage-stabiliser tube DW, and the negative pole of the latter and DW and executive circuit element 3CTS join; Temperature sensor or temperature-sensing element (device) and heating wire then join by insulated conductor and control circuit respectively, and whole device then is connected to civil power and uses.
2,, it is characterized in that its delay control circuit partly comprises three groups of OR-NOT circuit of mutual series connection by the described a kind of electric blanket of claim 1 with automatic control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214754 CN2114260U (en) | 1991-07-16 | 1991-07-16 | Electric heating rug with a automatic control means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91214754 CN2114260U (en) | 1991-07-16 | 1991-07-16 | Electric heating rug with a automatic control means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2114260U true CN2114260U (en) | 1992-08-26 |
Family
ID=4922917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91214754 Granted CN2114260U (en) | 1991-07-16 | 1991-07-16 | Electric heating rug with a automatic control means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2114260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102415749A (en) * | 2011-08-16 | 2012-04-18 | 洪德全 | Uncharged time-control overlapped combustion-resistant treatment and rehabilitation electric blanket |
| CN109996354A (en) * | 2019-05-05 | 2019-07-09 | 周芸 | Infrared ray electric hot compress pillow with neck temperature controller |
-
1991
- 1991-07-16 CN CN 91214754 patent/CN2114260U/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102415749A (en) * | 2011-08-16 | 2012-04-18 | 洪德全 | Uncharged time-control overlapped combustion-resistant treatment and rehabilitation electric blanket |
| CN102415749B (en) * | 2011-08-16 | 2013-12-04 | 洪德全 | Uncharged time-control overlapped combustion-resistant treatment and rehabilitation electric blanket |
| CN109996354A (en) * | 2019-05-05 | 2019-07-09 | 周芸 | Infrared ray electric hot compress pillow with neck temperature controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |