CN201022232Y - Secure energy saving electric heating cushion - Google Patents

Secure energy saving electric heating cushion Download PDF

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Publication number
CN201022232Y
CN201022232Y CNU200720004747XU CN200720004747U CN201022232Y CN 201022232 Y CN201022232 Y CN 201022232Y CN U200720004747X U CNU200720004747X U CN U200720004747XU CN 200720004747 U CN200720004747 U CN 200720004747U CN 201022232 Y CN201022232 Y CN 201022232Y
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CN
China
Prior art keywords
electric pad
pressure
energy
top panel
sensing plate
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.)
Expired - Fee Related
Application number
CNU200720004747XU
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Chinese (zh)
Inventor
申奉澈
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NIUKILO CO Ltd
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NIUKILO CO Ltd
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Publication date
Application filed by NIUKILO CO Ltd filed Critical NIUKILO CO Ltd
Priority to CNU200720004747XU priority Critical patent/CN201022232Y/en
Application granted granted Critical
Publication of CN201022232Y publication Critical patent/CN201022232Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a safe and energy-saving electric blanket. An inner heating portion 13 bottom of a heating blanket 10 is arranged with a plurality of pressure sensor boards 12 for sensing a user weight. The utility model is characterized in that the signal of the pressure sensor board 12 is sent to a timer 23 inside a temperature adjuster 20, the power supply of the heating portion 13 of the heating blanket 10 is started or closed by the output signal of pressure sensor board for energy saving and safety protection. The heating blanket which has the built-in pressure sensor board could automatically shut the power supply after a certain period and saves the unnecessary energy waste, even though the user do not shut down the power supply. Because of the automatic power-shutdown function, the fire caused by over-heating could be avoided when the user is out and the energy could be greatly saved in the electricity high-priced times. The utility model is also fit for a blanket-like electric heating preservation product.

Description

The energy-saving safe electric pad
Technical field
The utility model relates to a kind of electric pad, more particularly relates to a kind of energy-saving safe electric pad, belongs to a kind of improvement to electric pad.
Background technology
The product that in our daily life, often uses as auxiliary heating tool have electric pad, electric mattress, hot plate, electric cushion etc., the frequency that these products used except summer is higher.After using electric pad, need off switch and pull the plug out of the socket.But, use exist behind the electric pad often forget these steps and go out and obsolete situation under also off switch and caused the unnecessary power supply waste and the overheated fire that causes of off switch not for a long time not.Forgetting the power supply waste that off switch did not cause under off switch and the obsolete situation during actual going out at home, is very surprising from the whole nation its numeral of statistics.In order to address the above problem, at first in electric pad, should to install and to judge whether the user is arranged on the electric pad, and reach behind the certain hour device of off switch automatically.In order judging whether the user to be arranged on the electric pad, can to use the pressure sensor of sensing human body weight or the load cell of pressure switch or measurement weight.But the precondition that these elements are measured weight is the upper plate that needs firm bottom surface under the level and measure weight.The scale of measuring down weight with the state with these conditions is different, and the situation of electric pad is not only to be used on the ground, also will use on the bed of mattress and sit on electric pad or lie having.Keeping the time also will be folded into 2 five equilibriums or 3 five equilibriums take care ofs, so it is all very difficult at economic aspect and manufacture view to install devices such as stating pressure sensor or pressure switch on the integral body of electric pad.And these devices need be installed to the inside of electric pad, and the average thickness of general electric pad has only 2 ~ 3cm.So also will be able to sense people's total weight when these devices being installed in need the thickness about 1 ~ 1.5cm in that electric pad is inner when heat liberation board is installed.The weight that senses a health part when lying down also can be brought into play function, also will consider the own wt of electric pad.
Summary of the invention
The purpose of this utility model provides a kind of energy-saving safe electric pad, and it not only can reduce unnecessary energy waste, and is forgetting under the situation that off switch is gone out that switch can cut out the generation of having avoided fire automatically.
The purpose of this utility model is to realize like this, in the electric pad 10, the pressure sensing plate 12 of a plurality of sensing human body weights is installed in the bottom of its inner heating part 13, the signal of pressure sensing plate 12 is applied to the timer 23 of thermoregulator 20 inside, the power supply of the heating part 13 that utilizes its output signal to close or connect to be applied to electric pad 10.In order to sense whether the people is arranged above the electric pad, the utility model has adopted when making electric pad as Fig. 4 the pressure sensing plate also method of moulding together under above-mentioned state.That is, setting pressure sensing plate below the hot line plate of electric pad middle body lies in the person who happens to be on hand for an errand and also can sense certain weight under the situation where and by the electric pad bonder terminal signal to be sent to thermoregulator.Thereby can judge that the user is whether on electric pad.
From user's position, ordinary circumstance is to open the mains switch of electric pad earlier and just lie down after reaching uniform temperature after a while.Also have the situation temporarily leave electric pad in the use, thus in this case immediately off switch also have the phenomenon of use aspect inconvenience.
The circuit of thermoregulator inside can make the electric pad operate as normal when energized.But the state that the user leaves is down through powered-down automatically behind the certain hour.
Said here certain hour can be set arbitrarily in manufacturing process, and the user leaves 1 hour generally speaking needs the powered-down switch as prerequisite later on.Below to set 1 hour as primary condition explanation the utility model.
Form and to be used as general electric pad when this condition is used electric pad later on and to use and get final product.Electric pad of the present utility model forget the powered-down switch go out or use in leave under the situation of certain hour automatically the powered-down switch and reduced the power supply waste and prevented the overheated fire that causes.
The action of said automatic powered-down here is not to be to cut off the electricity supply fully but powered-down when not having the user above the electric pad, after the user returns according to the sensing energized.Both, can associate the transducer that often uses in the illumination in family corridor.
The utility model has the advantages that as top explanation, the electric pad of built-in pressure sensing plate is not closed the user under the situation of mains switch later on just can powered-down through certain hour, wastes so can reduce unnecessary power supply.Owing to can cut off the electricity supply automatically, so also can prevent the overheated fire that causes when going out.Thereby in high electricity price epoch energy savings in large quantities.Simultaneously, the utility model also can be adapted to the electrical heat tracing warming article of similar cushion.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the calcspar of the electric pad of built-in pressure sensing plate
Fig. 2 is the structure chart of pressure sensing plate
Fig. 3 is the thermoregulator circuit diagram of built-in pressure sensor device
Fig. 4 is overall structure figure
Explanation to Reference numeral: 10, electric pad; 12, pressure sensing plate; 20, thermoregulator; 30, connector; 40, the upper plate of electric pad; 50, the lower plate of electric pad; 60, outer cloth; 70, heater wire plate; 80, heater wire; 100,200, the upper and lower plates of pressure sensing plate; 220, pressure switch.
Embodiment
Fig. 2 is the structure chart of pressure sensing plate (12), and Fig. 3 is the thermoregulator circuit diagram of built-in pressure sensor device.The formation of utility model and adopted the circuit diagram of prevailing thermoregulator for convenience of description.Timing circuit has adopted the LM555 circuit of the utilization timing application-specific integrated circuit that generally uses.When in the rating unit 22 of thermoregulator 20 temperature being set afterwards, the temperature sensing part 21 in the electric pad 10 senses the variations in temperature of temperature sensor 11 to energized in Fig. 1 (not expression input power supply).Till this signal makes heating part 13 be heated to the temperature of setting by rating unit 22 and output 24.When if the user leaves electric pad 10 certain hours in the action of carrying out this electric pad 10, pressure sensing plate 12 senses signal and starts timer 23 later on and signal is sent to output 24 and makes output 24 off switch cause heating part 13 to quit work.Pressure sensing plate 12 is by the heat-resistant plastic top panel 100 that constitutes the upper part that direct biography is stressed; Constitute the heat resistant plastice lower panel 200 of pressure sensing plate 12 lower parts when the pcb board 210 of symmetry a plurality of pressure switches 220 that connect arranged side by side and contact 230 being housed and fixedly mounting above-mentioned pcb board on above-mentioned top panel 100; Paste the bottom surface of above-mentioned top panel 12 and above the lower panel and keep certain top panel 100 and the level interval between the pressure switch 220 with in order to keep certain pressure to keep top panel 100 more smooth and easy with contacting of make and break contact 230 and formed the thermal endurance sponge 300 of a plurality of through holes 310.
Owing to this action is to rely on sensing plate 12 to form, so be elaborated below by Fig. 2.Pressure sensing plate 12 is the pcb boards 210 by the built-in pressure switch 220 of fixed installation; Constitute the heat resistant plastice lower panel 200 of the lower part of pressure sensing plate 12; The pressure switch 220 of the elastic conduction alloy that can be in contact with one another with contact 230 when exerting pressure on the heat pad; Pcb board 210 to setting pressure switch 220 and contact 230 plays fixing effect and keep-ups pressure switch 220 and top panel 100 levels, keep a determining deviation and certain pressure between top panel 100 and the pressure switch 200, and the thermal endurance sponge 300 that has a plurality of manholes 310 more smoothly for contacting of top panel 100 and make and break contact 230 and paste above the thermal endurance sponge 300 and the heat-resistant plastic upper plates 100 that form pressure sensing plate 12 upper parts are formed.The top and the bottom of thermal endurance sponge 300 utilize bonding agent or two-sided tape to be fixed to top panel 100 and above the lower panel 200.
Above-mentioned pressure sensing plate 12 be installed in the middle of the electric pad below the hot line plate 70 about, just can apply the above pressure of constant weight after the user gets on.Therefore, no matter go up which position, the core of electric pad 10 relies on people's body wt to push top panel 100, and this pressure is pressed pressure switch 220 by the buffering through hole 310 of thermal endurance sponge 300, thus contact 230 contacts.Because most contacts is mutually and connects, so connect connection (ON) signal that a contact just can make the output that is connected to terminal 240 sense to be passed on.
Program description of the present utility model is as follows in the circuit of Fig. 3: when the power supply of the thermoregulator 20 of connecting electric pad 10, and the DC power supply that supply is moved.The user does not sit under the state above the electric pad 10, and the SWI of pressure sensing plate 12 is in closing state.And timing circuit 23 relies on this voltage pio chip to become the LOW state for No. 3 according to the two ends of the order momentary charge C1 of Vcc-R1-C2-C1, thereby TR1 is become close the state of (OFF).Charge and discharge by high impedance R2, and No. 3 voltages in DC power supply of pio chip are in the LOW state till dropping to 1/3 in the voltage at C1 two ends.So the TR1 in 1 hour (the utility model is considered CI, the correction number of R2 and be adjusted into 1 hour) is in and closes (OFF) state and make thermoregulator 20 fulfil normal function.
The VR1 that the user can rotate rating unit 22 is arranged to the temperature that needs.The temperature sensor 11 of electric pad 10 is a kind of NTC, thus when temperature is low impedance just big, when temperature is high impedance just little.Its voltage is to be applied to the negative pole part that relies on R4, C3 to distribute after the temperature sensing part 21 and be applied to rating unit 22.The voltage height of the input cathode (-) of rating unit 22 part before the temperature of electric pad rises, output becomes LOW.Therefore, the R7 by output 24 makes the PC action and TRAIC is in the state of connection, and the heating part 13 of electric pad 10 is heated.When temperature reaches the temperature of setting, close the action of (OFF) repeatedly according to above-mentioned order TRAIC.
Before 1 hour, when the user sits on above the electric pad 10, the pressure sensing plate 12 of electric pad 10 will be connected.At this moment, the C1 of timer 23 is in the state of proceeding to charge according to the order of Vcc-R1-SW1-C1, so TR1 keeps the state of closing (OFF) and fulfils the function of general thermoregulator.But, to have crossed and still do not used in 1 hour under the situation of electric pad 10, the C1 two ends keep the state of discharge.Thereby be reduced at 1/3 o'clock, pio chip converts HIGH to from LOW No. 3.Make TR1 become the state of connection (ON), electric current is flowed according to the order of Vcc-R7-TR1.Thereby the PC that makes output 24 keeps closing the state of (OFF).Both, and continued to become the state of closing (OFF) under the irrelevant situation of the output of rating unit 22, and made TRAIC continue to connect and go up the supply of to cut off the electricity supply before the people again.At the utility model setting pressure sensing plate in electric pad, its output is controlled with LM555.But, also can use the usual method of utilizing microcomputer, also can use relay or contactless switch to cut off action power or input power supply at the output of timer 23.

Claims (3)

1. energy-saving safe electric pad, it includes electric pad 10, it is characterized in that in the electric pad 10, the pressure sensing plate 12 of a plurality of sensing human body weights is installed in the bottom of inner heating part 13, the signal of pressure sensing plate 12 is applied to the timer 23 of thermoregulator 20 inside, the power supply of the heating part 13 that utilizes its output signal to close or connect to be applied to electric pad 10.
2. energy-saving safe electric pad according to claim 1 is characterized in that pressure sensing plate 12 is by the heat-resistant plastic top panel 100 that constitutes the upper part that direct biography is stressed; Constitute the heat resistant plastice lower panel 200 of pressure sensing plate 12 lower parts when the pcb board 210 of symmetry a plurality of pressure switches 220 that connect arranged side by side and contact 230 being housed and fixedly mounting above-mentioned pcb board on above-mentioned top panel 100; Paste the bottom surface of above-mentioned top panel 12 and above the lower panel and keep certain top panel 100 and the level interval between the pressure switch 220 with in order to keep certain pressure to keep top panel 100 more smooth and easy with contacting of make and break contact 230 and formed the thermal endurance sponge 300 of a plurality of through holes 310.
3. energy-saving safe electric pad according to claim 2 is characterized in that pressure switch 220 is alloy elastomers of conductivity.
CNU200720004747XU 2007-03-20 2007-03-20 Secure energy saving electric heating cushion Expired - Fee Related CN201022232Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200720004747XU CN201022232Y (en) 2007-03-20 2007-03-20 Secure energy saving electric heating cushion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200720004747XU CN201022232Y (en) 2007-03-20 2007-03-20 Secure energy saving electric heating cushion

Publications (1)

Publication Number Publication Date
CN201022232Y true CN201022232Y (en) 2008-02-13

Family

ID=39089649

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200720004747XU Expired - Fee Related CN201022232Y (en) 2007-03-20 2007-03-20 Secure energy saving electric heating cushion

Country Status (1)

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CN (1) CN201022232Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501833A (en) * 2011-10-26 2012-06-20 奇瑞汽车股份有限公司 Snow removing device for vehicle body
CN103027542A (en) * 2012-12-28 2013-04-10 王波兰 Electric blanket
CN105352024A (en) * 2015-12-10 2016-02-24 深圳市珂荣信息技术有限公司 Heating control method and heating control device of heating equipment
CN105559452A (en) * 2016-03-16 2016-05-11 杨跃龙 Intelligent-induction safe electric blanket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501833A (en) * 2011-10-26 2012-06-20 奇瑞汽车股份有限公司 Snow removing device for vehicle body
CN103027542A (en) * 2012-12-28 2013-04-10 王波兰 Electric blanket
CN105352024A (en) * 2015-12-10 2016-02-24 深圳市珂荣信息技术有限公司 Heating control method and heating control device of heating equipment
CN105559452A (en) * 2016-03-16 2016-05-11 杨跃龙 Intelligent-induction safe electric blanket

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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: 20080213

Termination date: 20120320