CN106604426B - A kind of electric blanket and its heating wire disconnection detection device - Google Patents
A kind of electric blanket and its heating wire disconnection detection device Download PDFInfo
- Publication number
- CN106604426B CN106604426B CN201710000319.8A CN201710000319A CN106604426B CN 106604426 B CN106604426 B CN 106604426B CN 201710000319 A CN201710000319 A CN 201710000319A CN 106604426 B CN106604426 B CN 106604426B
- Authority
- CN
- China
- Prior art keywords
- heating wire
- circuit board
- control circuit
- power supply
- supply line
- 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.)
- Withdrawn - After Issue
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
- H05B3/342—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heaters used in textiles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
Abstract
A kind of electric blanket is made of control box, heating wire A, heating wire B, conducting wire, upper cloth cover, lower cloth cover, control circuit board, temperature detect switch (TDS), divider resistance A, divider resistance B, high/low temperature switch and power supply line etc..Heating wire A, heating wire B, which are alternated, to be routed between cloth cover and lower cloth cover, and control circuit board is alternately powered to every heating wire with certain frequency.A kind of heating wire disconnection detection device judges whether heating wire is breaking by the small partial pressure in every heating wire one end of detection.
Description
Technical field
The present invention relates to a kind of electric blanket, this electric blanket alternates wiring using more heating wires, control circuit board with
Certain frequency is alternately powered to every heating wire；The invention further relates to its heating wire disconnection detection devices, by detecting every electricity
The small partial pressure in hot line one end judges whether heating wire is breaking.
Background technique
Electric blanket uses very universal in winter, it, which is resident, provides the main daily necessity of heat in low temperature environment；It
Also there are good protecting effect, people especially especially weak to the elderly or constitution to the people for having rheumatism.But it was using
Journey, since electric blanket is the product by heating wire fever, be wrapped in heating wire periphery is again not transcalent material, so hair
The heat that heating wire generates when hot is not easy to spread to periphery, causes close to excessively high, the excessively high temperature meeting of heating wire portion temperature
It causes body fluids evaporation excessive, is easy to appear dry, pharyngalgia, the symptoms such as nosebleed.Electric blanket is for a long time in use, fever
When heating wire generate heat be not easy to periphery spread, cause close to heating wire part local temperature it is excessively high, once high temperature expand
It dissipates not in time, localized hyperthermia is caused to accumulate, high temperature accumulation may cause fire.
The heating wire open circuit of electric blanket, disconnection fault is easy to lean out, once leaning out, be easy to cause electric shock.
Summary of the invention
The purpose of the present invention is overcoming the above problem, a kind of eliminate close to the excessively high more electric heating of heating wire portion temperature is provided
Line alternates wiring, the electric blanket that control circuit board is alternately powered to every heating wire with certain frequency.
For this purpose, the present invention provides a kind of more heating wires to alternate wiring, control circuit board is alternately given with certain frequency
The electric blanket of every heating wire power supply.
The electric blanket, by control box, heating wire A, heating wire B, conducting wire, upper cloth cover, lower cloth cover, control circuit board, temperature
Control the compositions such as switch, divider resistance A, divider resistance B, high/low temperature switch and power supply line.Control circuit board, temperature detect switch (TDS), partial pressure
Resistance A, divider resistance B and high/low temperature switch are mounted on the inside of control box；The conducting wire of one end one of power supply line is connected directly between
In control circuit board, one end of temperature detect switch (TDS) is connected in control circuit board by a conducting wire for power supply line, power supply line
The other end another conducting wire connection temperature detect switch (TDS) the other end；The ground wire of power supply line is also directly connected to control circuit board
On；One end of divider resistance A is connected in control circuit board, and the other end connects one end of heating wire A, the other end of heating wire A
It is connected in control circuit board by conducting wire；Control circuit board control power supply line, temperature detect switch (TDS), divider resistance A, heating wire A and
Conducting wire forms power circuit；Heating wire A fever is connected in circuit, and circuit disconnects, and heating wire A stops fever；The one of high/low temperature switch
End is also connected in control circuit board, and the other end is mounted on one end of divider resistance B, and the other end of divider resistance B connects electric heating
The other end of one end of line B, heating wire B is connected in control circuit board by conducting wire；Control circuit board controls power supply line, temperature control
Switch, high/low temperature switch, divider resistance B, heating wire B and conducting wire form power circuit；Heating wire B fever, circuit are connected in circuit
It disconnects, heating wire B stops fever；Conducting wire also one end is connected between divider resistance A and heating wire A, other end connection control electricity
On the plate of road, for making to obtain small voltage when heating wire A powers in control circuit board, partial pressure is judging heating wire
A is not breaking；Conducting wire also one end is connected between divider resistance B and heating wire B, and the other end connects in control circuit board, for making
Voltage when heating wire B powers on is obtained in control circuit board, partial pressure is judging that heating wire B is not breaking；Heating wire A and
Heating wire B is in interval alternative distribution between upper cloth cover and lower cloth cover.Temperature detect switch (TDS) is mounted on divider resistance A and divider resistance B is attached
Closely, once temperature is excessively high, temperature detect switch (TDS) open circuit, heating wire A and heating wire B are unable to get the electric energy that power supply line provides.
Since heating wire A and heating wire B are in interval alternative distribution between upper cloth cover and lower cloth cover；Control circuit board control electricity
Source line is alternately powered to heating wire A and heating wire B；Heating wire A generates heat when being powered, and the peripherad upper cloth cover of heat and lower cloth cover pass
Heat is passed, since upper cloth cover and the heat transfer of lower cloth cover are slow, high temperature is transmitted to cloth cover and lower cloth cover outer surface needs centainly
Time, during this period of time control circuit board control power supply line stops being powered to heating wire A, then is powered to heating wire B；Electric heating
Line B generates heat when being powered, and the peripherad upper cloth cover of heat and lower cloth cover transmit heat, high since upper cloth cover and the heat transfer of lower cloth cover are slow
Temperature be transmitted to cloth cover and lower cloth cover outer surface needs the regular hour, during this period of time control circuit board controls power supply
Line stops being powered to heating wire B, then is powered to heating wire A；Control circuit board controls power supply line alternately to heating wire A and electric heating
Line B power supply, constantly recycles；Cloth cover upper in this way and lower cloth cover outer surface can obtain uniform heating temperature, be not in covering
Heating wire at localized hyperthermia.
High/low temperature switch disconnects, and heating wire B cannot obtain the electric energy of power supply line offer again, and only heating wire A can be obtained again
The electric energy provided to power supply line, this electric energy, having certain time interval, discontinuously upper cloth cover and lower cloth cover outer surface can also obtain
To uniform heating temperature, only at this moment energy in half, temperature is also relatively low, and it is high part at the heating wire covered will not occur
Temperature.
Therefore, upper cloth cover and lower cloth cover hull-skin temperature are uniform, are not in that nearby local temperature is excessively high for heating wire, will not
It causes body fluids evaporation excessive, is easy to appear dry, pharyngalgia, the symptoms such as nosebleed.Electric blanket is for a long time in use, will not
Localized hyperthermia is caused to accumulate, high temperature accumulation may cause fire.
Above heating wire is not limited to two heating wires, is also possible to more heating wires.
Above due to the inherently uniform linear resistance of heating wire A and heating wire B, divider resistance A can be electricity as a result,
The sub-fraction of hot line A；Divider resistance B can be the sub-fraction of heating wire B.
Preferred: it is alternately 5 seconds to heating wire A and heating wire B supply cell time that control circuit board, which controls power supply line,
Clock.
Preferred: it is alternately 10 seconds to heating wire A and heating wire B supply cell time that control circuit board, which controls power supply line,
Clock.
Preferred: it is alternately 15 seconds to heating wire A and heating wire B supply cell time that control circuit board, which controls power supply line,
Clock.
Preferred: it is alternately 20 seconds to heating wire A and heating wire B supply cell time that control circuit board, which controls power supply line,
Clock.
Electric blanket of the present invention can also install human induction switch, and human induction switch passes through conducting wire and control circuit board phase
Connection.In the presence of human induction switch senses human body, control circuit board controls power supply line alternately to heating wire A and heating wire
B power supply；Heating wire A generates heat when being powered, and control circuit board control power supply line stops being powered to heating wire A after a period of time, then
It is powered to heating wire B；Control circuit board control power supply line stops being powered to heating wire B after a period of time again, then again to electric heating
Line A is powered；Control circuit board controls power supply line and alternately powers to heating wire A and heating wire B, constantly recycles；Exchange be powered when
Between be spaced very short, electric blanket full power operation.In the presence of human induction switch incudes less than human body, control circuit board control electricity
Source line is alternately powered to heating wire A and heating wire B；Heating wire A heating power for a period of time after, control circuit board control power supply line
Stop being powered to heating wire A, after stopping power supply longer period of time, then then be powered to heating wire B；Heating wire B heating power
After a period of time, control circuit board controls power supply line and stops being powered to heating wire B, after stopping power supply longer period of time, then turns
And it is powered again to heating wire A；Control circuit board controls power supply line and alternately powers with interval to heating wire A and heating wire B, constantly
Circulation；There is a long period interval in the time that exchange is powered, electric blanket low-power operation, as heat insulation function, in order to avoid electric blanket mistake
Fire occurs for heat.
The above heating wire disconnection detection device, due to the inherently uniform linear resistance of heating wire A, partial pressure is electric as a result,
Resistance A can be the sub-fraction of heating wire A.
Electric blanket of the present invention, can also only with only with a heating wire A, heating wire A be clouded in cloth cover and lower cloth cover it
Between；The spatial position that supplement removal heating wire B leaves；Control circuit board stops the power supply to heating wire B, and control panel is not at this time
Supplying power for outside；It is periodic intervals that heating wire A, which obtains electric energy from control circuit board,.
Preferred: control circuit board controls power supply line and is powered 5 seconds to heating wire A, stops power supply 5 seconds；Constantly circulation.
Preferred: control circuit board controls power supply line and is powered 10 seconds to heating wire A, stops power supply 10 seconds；Constantly follow
Ring.
Preferred: control circuit board controls power supply line and is powered 15 seconds to heating wire A, stops power supply 15 seconds；Constantly follow
Ring.
Preferred: control circuit board controls power supply line and is powered 20 seconds to heating wire A, stops power supply 20 seconds；Constantly follow
Ring.
The invention further relates to heating wire disconnection detection device, by heating wire A, conducting wire, control circuit board, divider resistance A and
The composition such as power supply line.One end of power supply line is connected in control circuit board；One end of divider resistance A is connected to control circuit board
On, the other end is mounted on one end of heating wire A, and the other end of heating wire A is connected in control circuit board by conducting wire；Control electricity
Road plate controls power supply line and divider resistance A, heating wire A, conducting wire form power circuit；Heating wire A fever is connected in circuit, and circuit is disconnected
It opens, heating wire A stops fever；Conducting wire also one end is connected between divider resistance A and heating wire A, and the other end connects control circuit
On plate, for making to obtain small voltage when heating wire A powers in control circuit board, partial pressure is judging heating wire A
It is not breaking.
The present invention is described in further details below with reference to attached drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electric blanket of the present invention.
Fig. 2 is another structural schematic diagram of electric blanket of the present invention.
Description of symbols: 1, by control box；2, heating wire A；3, heating wire B；4, conducting wire；5, upper cloth cover；6, lower cloth cover；
7, control circuit board；8, temperature detect switch (TDS)；9, divider resistance A；10, divider resistance B；11, high/low temperature switchs；12, power supply line；13,
Human induction switch.
Specific embodiment
As shown in Figure 1, electric blanket of the present invention, by control box (1), heating wire A (2), heating wire B (3), conducting wire (4), upper cloth cover
(5), lower cloth cover (6), control circuit board (7), temperature detect switch (TDS) (8), divider resistance A (9), divider resistance B (10), high/low temperature switch (11) and electricity
Source line is (12) equal to be formed.Control circuit board (7), temperature detect switch (TDS) (8), divider resistance A (9), divider resistance B (10) with high/low temperature switch (11) pacify
Mounted in the inside of control box (1)；Power supply line one end (12) one conducting wire be connected directly between control circuit board (7) on, connection temperature
Control switch one end (8), the other end of temperature detect switch (TDS) (8) be connected to control circuit board (7) on, the ground wire of power supply line (12) also directly connects
Connect control circuit board (7) on；The one end of divider resistance A (9) be connected to control circuit board (7) on, the other end is mounted on heating wire A
(2) one end, the other end of heating wire A (2) by conducting wire be (4) connected to control circuit board (7) on；(7) control circuit board controls power supply
Line (12), temperature detect switch (TDS) (8) with divider resistance A (9), heating wire A (2), conducting wire (4) form power circuit；Circuit is connected heating wire A and is (2) sent out
Heat, circuit disconnect, (2) heating wire A stops generating heat；High/low temperature switch one end (11) be also connected to control circuit board (7) on, the other end
It is mounted on the one end of divider resistance B (10), the one end of other end connection heating wire B (3) of divider resistance B (10), heating wire B (3) another
One end by conducting wire be (4) connected to control circuit board (7) on；Control circuit board (7) control power supply line (12), temperature detect switch (TDS) (8) and partial pressure
Resistance B (10), high/low temperature switch (11), heating wire B (3), conducting wire (4) form power circuit；Circuit connects heating wire B and (3) generates heat, circuit
It disconnects, (3) heating wire B stops generating heat；Conducting wire (4) also one end be connected to divider resistance A (9) and heating wire A (2) between, the other end connect
Connection control circuit plate (7) on, for making the control circuit board (7) upper voltage obtained when heating wire A powers on (2), partial pressure
Heating wire A is not (2) breaking；Conducting wire (4) also one end be connected to divider resistance B (10) and heating wire B (3) between, the other end connection control
Circuit board processed (7) on, for making control circuit board, (7) the upper voltage obtained when heating wire B powers on (3), partial pressure exist, electricity
Hot line B is not (3) breaking；Heating wire A (2) and heating wire B be (3) in interval alternative distribution upper cloth cover (5) and lower cloth cover (6) between.Temperature control is opened
Pass be (8) mounted on divider resistance A (9) with divider resistance B (10) near, once temperature is excessively high, temperature detect switch (TDS) is (8) breaking, and heating wire A is (2)
(12) electric energy that power supply line provides (3) is unable to get with heating wire B.
Due to heating wire A (2) and heating wire B be (3) in interval alternative distribution upper cloth cover (5) and lower cloth cover (6) between；Control circuit
(7) plate controls power supply line and (12) alternately (2) (3) powers with heating wire B to heating wire A；Fever when heating wire A is powered (2), heat is to surrounding
Upper cloth cover (5) (6) transmit heat with lower cloth cover, because (5) (6) upper cloth cover conducts heat slowly with lower cloth cover, high temperature is transmitted to cloth
(5) (6) outer surface needs the regular hour with lower cloth cover in face, and during this period of time (7) control circuit board controls power supply line and (12) stops pair
(2) heating wire A is powered, then be (3) powered to heating wire B；Fever when heating wire B is powered (3), the peripherad upper cloth cover of heat (5) and
(6) lower cloth cover transmits heat, because (5) (6) upper cloth cover conducts heat slowly with lower cloth cover, high temperature be transmitted to cloth cover (5) with lower cloth cover
(6) outer surface needs the regular hour, and during this period of time (7) control circuit board controls power supply line and (12) stops (3) leading to heating wire B
Electricity, then be (2) powered to heating wire A；(7) control circuit board controls power supply line and (12) alternately (2) (3) supplies with heating wire B to heating wire A
Electricity constantly recycles；(5) (6) outer surface can obtain uniform heating temperature to cloth cover upper in this way with lower cloth cover, be not in covering
Localized hyperthermia at heating wire.
(11) high/low temperature switch disconnects, heating wire B (3) cannot be in the electric energy for obtaining power supply line and (12) providing, only heating wire A
(2) can have certain time interval discontinuously in the electric energy for obtaining power supply line and (12) providing, this electric energy, upper cloth cover (5) with lower cloth cover
(6) outer surface can also obtain uniform heating temperature, only at this moment energy in half, and temperature is also relatively low, will not occur covering
Localized hyperthermia at heating wire.
As shown in Figure 2, electric blanket of the present invention, by control box (1), heating wire A (2), heating wire B (3), conducting wire (4), upper cloth cover
(5), lower cloth cover (6), control circuit board (7), temperature detect switch (TDS) (8), divider resistance A (9), divider resistance B (10), high/low temperature switch (11), power supply
(12) (13) line waits composition with human induction switch.Control circuit board (7), temperature detect switch (TDS) (8), divider resistance A (9), divider resistance B (10) and
(11) high/low temperature switch is mounted on the inside of control box (1)；(7) power supply line one end (12) one conducting wire is connected directly between control circuit board
On, the one end of a connection temperature detect switch (TDS) (8), the other end of temperature detect switch (TDS) (8) be connected to control circuit board (7) on, power supply line is (12)
Ground wire be also directly connected to control circuit board (7) on；The one end of divider resistance A (9) be connected to control circuit board (7) on, the other end peace
Mounted in the one end of heating wire A (2), the other end of heating wire A (2) by conducting wire be (4) connected to control circuit board (7) on；Control circuit
Plate (7) control power supply line (12), temperature detect switch (TDS) (8) with divider resistance A (9), heating wire A (2), conducting wire (4) form power circuit；Circuit connects
(2) energization hot line A generates heat, circuit disconnects, (2) heating wire A stops generating heat；The one end of high/low temperature switch (11) is also connected to control circuit
Plate (7) on, the other end is mounted on the one end of divider resistance B (10), the one end of other end connection heating wire B (3) of divider resistance B (10),
The other end of heating wire B (3) by conducting wire be (4) connected to control circuit board (7) on；Control circuit board (7) control power supply line (12), temperature control
Switch (8) with divider resistance B (10), high/low temperature switch (11), heating wire B (3), conducting wire (4) form power circuit；Heating wire B is connected in circuit
(3) generate heat, circuit disconnects, (3) heating wire B stops generating heat；Conducting wire (4) also one end be connected to divider resistance A (9) with heating wire A (2) it
Between, the other end connect control circuit board (7) on, for making the control circuit board (7) upper voltage obtained when heating wire A powers on (2)
Partial pressure, partial pressure is not heating wire A is (2) breaking；Conducting wire (4) also one end be connected to divider resistance B (10) and heating wire B (3) between, it is another
End connection control circuit board (7) on, for making the control circuit board (7) upper voltage obtained when heating wire B powers on (3), point
It is pressed in, heating wire B is not (3) breaking；Heating wire A be (2) (3) in interval alternative distribution with heating wire B upper cloth cover (5) with lower cloth cover (6) it
Between.Temperature detect switch (TDS) be (8) mounted on divider resistance A (9) with divider resistance B (10) near, once temperature is excessively high, temperature detect switch (TDS) is (8) breaking,
(2) (3) heating wire A is unable to get (12) electric energy that power supply line provides with heating wire B.
Due to heating wire A (2) and heating wire B be (3) in interval alternative distribution upper cloth cover (5) and lower cloth cover (6) between；Control circuit
(7) plate controls power supply line and (12) alternately (2) (3) powers with heating wire B to heating wire A；Human induction switch is installed (13) on electric blanket,
(13) human induction switch passes through conducting wire and is (4) connected with control circuit board.In the presence of (13) human induction switch senses human body,
(7) control circuit board controls power supply line and (12) alternately (2) (3) powers with heating wire B to heating wire A；Fever when heating wire A is powered (2), one
After the section time (7) control circuit board controls power supply line and (12) stops (2) being powered to heating wire A, then is (3) powered to heating wire B；Further
After the section time (7) control circuit board controls power supply line and (12) stops (3) being powered to heating wire B, then is (2) powered to heating wire A again；Control
(7) circuit board processed controls power supply line and (12) alternately (2) (3) powers with heating wire B to heating wire A, constantly recycle；Exchange the time being powered
It is spaced very short, electric blanket full power operation.In the presence of (13) human induction switch incudes less than human body, (7) control circuit board controls
(12) (2) (3) power supply line is alternately powered to heating wire A with heating wire B；Heating wire A (2) heating power for a period of time after, control circuit board
(7) (12) control power supply line stops (2) being powered to heating wire A, after stopping power supply longer period of time, then is (3) powered to heating wire B；
Heating wire B (3) heating power for a period of time after, (7) control circuit board controls power supply line and (12) stops (3) being powered to heating wire B, stop
After longer period of time of powering, then then (2) it is powered to heating wire A again；Control circuit board (7) control power supply line (12) alternate to
(2) (3) heating wire A powers with heating wire B, constantly recycle；There are long period interval, electric blanket low-power work in the time that exchange is powered
Make, as heat insulation function, in case fire occurs for electric blanket overheat.
(11) high/low temperature switch disconnects, heating wire B (3) cannot be in the electric energy for obtaining power supply line and (12) providing, only heating wire A
(2) can have certain time interval discontinuously in the electric energy for obtaining power supply line and (12) providing, this electric energy, upper cloth cover (5) with lower cloth cover
(6) outer surface can also obtain uniform heating temperature, only at this moment energy in half, and temperature is also relatively low, will not occur covering
Localized hyperthermia at heating wire.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
It is within being all belonged to the scope of protection of the present invention with the same or similar design of the present invention.
Claims (7)
1. a kind of electric blanket, comprising: control box, heating wire A, heating wire B, conducting wire, upper cloth cover, lower cloth cover, control circuit board, temperature
Control switch, divider resistance A, divider resistance B, high/low temperature switch and power supply line；It is characterized in that: control circuit board, temperature detect switch (TDS), point
Piezoresistance A, divider resistance B and high/low temperature switch are mounted on the inside of control box；The conducting wire of one end one of power supply line is directly connected to
In control circuit board, one end of temperature detect switch (TDS) is connected in control circuit board by a conducting wire for power supply line, power supply
The other end of another conducting wire connection temperature detect switch (TDS) of the other end of line；The ground wire of power supply line is also directly connected to control circuit board
On；One end of divider resistance A is connected in control circuit board, and the other end connects one end of heating wire A, the other end of heating wire A
It is connected in control circuit board by conducting wire；Control circuit board control power supply line, temperature detect switch (TDS), divider resistance A, heating wire A and
Conducting wire forms power circuit；Circuit is connected, and heating wire A fever, circuit disconnects, and heating wire A stops fever；The one of high/low temperature switch
End is also connected in control circuit board, and the other end connects one end of divider resistance B, and the other end of divider resistance B connects heating wire B
One end, the other end of heating wire B is connected in control circuit board by conducting wire；Control circuit board control power supply line, temperature control are opened
Pass, high/low temperature switch, divider resistance B, heating wire B and conducting wire form power circuit；Circuit is connected, heating wire B fever, and circuit is disconnected
It opens, heating wire B stops fever；Conducting wire one end is connected between divider resistance A and heating wire A, and the other end connects control circuit board
On, for making to obtain small voltage when heating wire A powers in control circuit board, partial pressure is judging heating wire A not
Open circuit；Conducting wire one end is connected between divider resistance B and heating wire B, and the other end connects in control circuit board, for making control electricity
Voltage when heating wire B powers on is obtained on the plate of road, partial pressure is judging that heating wire B is not breaking；Heating wire A and heating wire
B is in interval alternative distribution between upper cloth cover and lower cloth cover；Temperature detect switch (TDS) is mounted near divider resistance A and divider resistance B, once
Temperature is excessively high, and temperature detect switch (TDS) disconnects, and heating wire A and heating wire B cannot obtain the electric energy that power supply line provides again；Control circuit board
Power supply line is controlled alternately to power to heating wire A and heating wire B；Heating wire A generates heat when being powered, and the peripherad upper cloth cover of heat is under
Cloth cover transmits heat, and since upper cloth cover and the heat transfer of lower cloth cover are slow, high temperature is transmitted to cloth cover and lower cloth cover outer surface needs
Regular hour, during this period of time control circuit board control power supply line stop being powered to heating wire A, then logical to heating wire B
Electricity；Heating wire B generates heat when being powered, and the peripherad upper cloth cover of heat and lower cloth cover transmit heat, since upper cloth cover and lower cloth cover pass
Hot slow, high temperature is transmitted to cloth cover and lower cloth cover outer surface needs the regular hour, during this period of time control circuit board
It controls power supply line to stop being powered to heating wire B, then is powered to heating wire A；Control circuit board controls power supply line alternately to electric heating
Line A and heating wire B power supply, constantly recycles；High/low temperature switch disconnects, and heating wire B cannot obtain the electric energy of power supply line offer again；
It is not in localized hyperthermia at the heating wire of covering.
2. a kind of electric blanket, comprising: control box, heating wire A, heating wire B, conducting wire, upper cloth cover, lower cloth cover, control circuit board, temperature
Control switch, divider resistance A, divider resistance B, high/low temperature switch, power supply line and human induction switch；It is characterized in that: control circuit
Plate, temperature detect switch (TDS), divider resistance A, divider resistance B and high/low temperature switch are mounted on the inside of control box；One end one of power supply line
Root conducting wire is connected directly between in control circuit board, and one end of temperature detect switch (TDS) is connected to control by a conducting wire for power supply line
On circuit board, the other end of another conducting wire connection temperature detect switch (TDS) of the other end of power supply line；The ground wire of power supply line also directly connects
It connects in control circuit board；One end of divider resistance A is connected in control circuit board, and the other end connects one end of heating wire A, electricity
The other end of hot line A is connected in control circuit board by conducting wire；Control circuit board controls power supply line, temperature detect switch (TDS), partial pressure electricity
It hinders A, heating wire A and conducting wire and forms power circuit；Circuit is connected, and heating wire A fever, circuit disconnects, and heating wire A stops fever；
One end of high/low temperature switch is also connected in control circuit board, and the other end connects one end of divider resistance B, and divider resistance B's is another
One end connects one end of heating wire B, and the other end of heating wire B is connected in control circuit board by conducting wire；Control circuit board control
Power supply line processed, temperature detect switch (TDS), high/low temperature switch, divider resistance B, heating wire B and conducting wire form power circuit；Circuit is connected, electricity
Hot line B fever, circuit disconnect, and heating wire B stops fever；Conducting wire one end is connected between divider resistance A and heating wire A, another
In end connection control circuit board, for making to obtain small voltage when heating wire A powers on, partial pressure in control circuit board
Judging that heating wire A is not breaking；Conducting wire one end is connected between divider resistance B and heating wire B, and the other end connects control circuit board
On, for making to obtain voltage when heating wire B powers in control circuit board, partial pressure is judging that heating wire B is not breaking；
Heating wire A and heating wire B is in interval alternative distribution between upper cloth cover and lower cloth cover；Temperature detect switch (TDS) is mounted on divider resistance A and divides
Near piezoresistance B, once temperature is excessively high, temperature detect switch (TDS) is disconnected, and heating wire A and heating wire B cannot obtain power supply line offer again
Electric energy；Control circuit board controls power supply line and alternately powers to heating wire A and heating wire B；Human induction switch by conducting wire and
Control circuit board is connected；In the presence of human induction switch senses human body, control circuit board control power supply line alternately gives electricity
Hot line A and heating wire B power supply；Heating wire A generates heat when being powered, and control circuit board control power supply line stops to electric heating after a period of time
Line A is powered, then is powered to heating wire B；Control circuit board control power supply line stops being powered to heating wire B after a period of time again,
Then it is powered again to heating wire A；Control circuit board controls power supply line and alternately powers to heating wire A and heating wire B, constantly recycles；
It is very short to exchange the time interval being powered, electric blanket full power operation；In the presence of human induction switch incudes less than human body, control
Circuit board controls power supply line and alternately powers to heating wire A and heating wire B；Heating wire A heating power for a period of time after, control circuit
Plate, which controls power supply line, to be stopped being powered to heating wire A, after pause longer period of time, then then is powered to heating wire B；Heating wire B
Heating power for a period of time after, control circuit board controls power supply line and stops being powered to heating wire B, after pause longer period of time,
It is powered again then to heating wire A again；Control circuit board control power supply line, which alternates, gives heating wire A and heating wire B power supply, constantly
Circulation；There is a long period interval in the time that exchange is powered, electric blanket low-power operation, as heat insulation function, in order to avoid electric blanket mistake
Fire occurs for heat.
3. according to claim 1 or electric blanket as claimed in claim 2；It is characterized in that: only with a heating wire A, heating wire A is close
It is distributed between cloth cover and lower cloth cover, the spatial position that supplement removal heating wire B leaves；Control circuit board is to heating wire B's
Power supply stops, at this time control circuit board not supplying power for outside；It is periodic intervals that heating wire A, which obtains electric energy from control circuit board,.
4. according to claim 1 or electric blanket as claimed in claim 2；It is characterized in that: divider resistance A is the one small of heating wire A
Part；Divider resistance B is the sub-fraction of heating wire B.
5. according to claim 1 or electric blanket as claimed in claim 2；It is characterized in that: control circuit board control power supply line alternating
It is 5 seconds to heating wire A and heating wire B supply cell time.
6. according to claim 1 or electric blanket as claimed in claim 2；It is characterized in that: control circuit board control power supply line alternating
It is 10 seconds to heating wire A and heating wire B supply cell time.
7. according to claim 1 or electric blanket as claimed in claim 2；It is characterized in that: control circuit board control power supply line alternating
It is 15 seconds to heating wire A and heating wire B supply cell time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000319.8A CN106604426B (en) | 2017-01-02 | 2017-01-02 | A kind of electric blanket and its heating wire disconnection detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710000319.8A CN106604426B (en) | 2017-01-02 | 2017-01-02 | A kind of electric blanket and its heating wire disconnection detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106604426A CN106604426A (en) | 2017-04-26 |
| CN106604426B true CN106604426B (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710000319.8A Withdrawn - After Issue CN106604426B (en) | 2017-01-02 | 2017-01-02 | A kind of electric blanket and its heating wire disconnection detection device |
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| Country | Link |
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| CN (1) | CN106604426B (en) |
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| US4293763A (en) * | 1980-06-02 | 1981-10-06 | Mcmullan James P | Electrically insulated resistance heater |
| CN2090992U (en) * | 1991-05-28 | 1991-12-18 | 李伟功 | Portable line tester for vehicle |
| JPH06132069A (en) * | 1992-10-14 | 1994-05-13 | Nippon Dennetsu Co Ltd | Electric heating blanket |
| CN2420785Y (en) * | 2000-04-03 | 2001-02-21 | 何龙 | Automatic control switch for electric heating blanket temperature with light-change indication |
| CN2480981Y (en) * | 2001-06-20 | 2002-03-06 | 赵德绥 | Fuse breaking indicator |
| CN2490784Y (en) * | 2001-05-27 | 2002-05-08 | 于为贵 | Electric blanket with 10-stage temp. regulator |
| CN2667840Y (en) * | 2003-12-22 | 2004-12-29 | 赵卫芳 | Energy-saving double-electric heating wire multi-temperature electric heating blanket |
| CN201119003Y (en) * | 2007-08-24 | 2008-09-17 | 吴江隆 | Dual temperature control electric heating pad |
| CN201743356U (en) * | 2010-03-26 | 2011-02-16 | 济南福达平安科技发展有限公司 | Multifunctional safe electric blanket |
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2017
- 2017-01-02 CN CN201710000319.8A patent/CN106604426B/en not_active Withdrawn - After Issue
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4293763A (en) * | 1980-06-02 | 1981-10-06 | Mcmullan James P | Electrically insulated resistance heater |
| CN2090992U (en) * | 1991-05-28 | 1991-12-18 | 李伟功 | Portable line tester for vehicle |
| JPH06132069A (en) * | 1992-10-14 | 1994-05-13 | Nippon Dennetsu Co Ltd | Electric heating blanket |
| CN2420785Y (en) * | 2000-04-03 | 2001-02-21 | 何龙 | Automatic control switch for electric heating blanket temperature with light-change indication |
| CN2490784Y (en) * | 2001-05-27 | 2002-05-08 | 于为贵 | Electric blanket with 10-stage temp. regulator |
| CN2480981Y (en) * | 2001-06-20 | 2002-03-06 | 赵德绥 | Fuse breaking indicator |
| CN2667840Y (en) * | 2003-12-22 | 2004-12-29 | 赵卫芳 | Energy-saving double-electric heating wire multi-temperature electric heating blanket |
| CN201119003Y (en) * | 2007-08-24 | 2008-09-17 | 吴江隆 | Dual temperature control electric heating pad |
| CN201743356U (en) * | 2010-03-26 | 2011-02-16 | 济南福达平安科技发展有限公司 | Multifunctional safe electric blanket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106604426A (en) | 2017-04-26 |
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Address after: 300131 biology, Hebei University of technology, No.8, Guangrong Road, Hongqiao District, Tianjin 192 Applicant after: Zhao Dai Address before: 063000 Hebei Province, Tangshan City Road North Xishan Road van yin'an Dali garden 207-4-602 Applicant before: Zhao Dai |
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