CN116209104A - Multifunctional switch structure and electric blanket - Google Patents

Multifunctional switch structure and electric blanket Download PDF

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Publication number
CN116209104A
CN116209104A CN202310199718.7A CN202310199718A CN116209104A CN 116209104 A CN116209104 A CN 116209104A CN 202310199718 A CN202310199718 A CN 202310199718A CN 116209104 A CN116209104 A CN 116209104A
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China
Prior art keywords
pin
resistor
switch
wire
gear
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CN202310199718.7A
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Chinese (zh)
Inventor
王强
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Individual
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Individual
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Priority to CN202310199718.7A priority Critical patent/CN116209104A/en
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    • 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
    • H05B1/0225—Switches actuated by timers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
    • A47G9/02—Bed linen; Blankets; Counterpanes
    • A47G9/0207—Blankets; Duvets
    • A47G9/0215—Blankets; Duvets with cooling or heating means
    • 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
    • H05B1/0272—For heating of fabrics
    • 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
    • H05B3/02—Details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Control Of Resistance Heating (AREA)

Abstract

The invention discloses a multifunctional switch structure and an electric blanket, wherein the multifunctional switch structure comprises a control circuit, the control circuit comprises an integrated block and a second voltage-stabilizing diode, and the integrated block is NE556N; the positive electrode of the second zener diode is connected with the 14 feet of the integrated block, the 14 feet of the integrated block are connected with the 4 feet, the 14 feet of the integrated block are connected with the 10 feet, the 12 feet of the integrated block are connected with the 8 feet, the 2 feet of the integrated block are connected with the 6 feet, the 7 feet of the integrated block are connected with the negative electrode of the second zener diode, and the electric blanket comprises the multifunctional switch structure and a heating wire; through the design of the connection structure, the functions of cycle timing on, cycle timing off and cold start of the integrated block are realized; based on the multifunctional switch structure, the function of the electric blanket can be further improved, and the applicability is improved.

Description

Multifunctional switch structure and electric blanket
Technical Field
The invention relates to the field of electric blanket production, in particular to a multifunctional switch structure and an electric blanket.
Background
The electric blanket is popular with consumers as a warming appliance on the bed, and brings convenience and quickness in warming when people sleep; however, in the use process of the electric blanket, under the influence of high temperature, electromagnetic field and radiation, the user has the risk of reducing the sleeping quality and physical quality of people, and symptoms such as dry nose pain, eye edema, constipation, dizziness, hypomnesis, listlessness, depression and dysphoria can appear on the body, so that the functions of nerves, reproduction, development, heart, immunity and the like of people are reduced.
Besides the basic switch function, the existing electric blanket has single function, and can only realize the adjustment of different temperatures, but because the temperature is low in winter, if the electric blanket is closed after sleeping in bed, people are frozen and awakened in the sleeping process or the body temperature is low after rising in the morning, so that the electric blanket is unfavorable for cold resistance of the body, and if the electric blanket is at constant temperature, the human body is always injured in the electromagnetic field and radiation.
In view of this, the present application is specifically proposed.
Disclosure of Invention
Aiming at the technical problem of single function in the use process of the electric blanket in the prior art, on one hand, the embodiment of the invention provides a multifunctional switch structure, and the functions of cycle timing on, cycle timing off and cold start of an integrated block are realized through the design of a connecting structure; on the one hand, the embodiment of the invention also provides an electric blanket, and based on the multifunctional switch structure, the function of the electric blanket can be further improved, and the applicability is improved.
In order to achieve the above object, the present invention provides the following technical solutions:
first aspect
The embodiment of the invention provides a multifunctional switch structure, which comprises a control circuit, wherein the control circuit comprises an integrated block and a second zener diode, and the integrated block is NE556N; the positive pole of the second zener diode is connected with the 14 feet of the integrated block, the 14 feet of the integrated block are connected with the 4 feet, the 14 feet of the integrated block are connected with the 10 feet, the 12 feet of the integrated block are connected with the 8 feet, the 2 feet of the integrated block are connected with the 6 feet, and the 7 feet of the integrated block are connected with the negative pole of the second zener diode.
In the scheme, through the structural design of the multifunctional switch, the control circuit comprises an NE556N integrated block and a second zener diode; the positive pole of the second zener diode is connected with the 14 feet of the integrated block, the 14 feet of the integrated block are connected with the 4 feet, the 14 feet of the integrated block are connected with the 10 feet, the 12 feet of the integrated block are connected with the 8 feet, the 2 feet of the integrated block are connected with the 6 feet, the 7 feet of the integrated block are connected with the negative pole of the second zener diode, and the functions of cycle timing on, cycle timing off and cold start of the integrated block are realized through the design of a connecting structure.
Further, the power supply circuit is used for providing power for the control circuit, wherein the power supply circuit comprises a power plug, a circuit breaker, a first switch, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a silicon controlled rectifier and a first voltage stabilizing diode; the power plug, the circuit breaker, the first switch, the first resistor, the second resistor and the input end of the silicon controlled rectifier are sequentially connected in series to form a closed circuit; the first capacitor is arranged in parallel with the first resistor, the second capacitor and the first zener diode are respectively arranged in parallel with the output end of the silicon controlled rectifier, the third resistor is arranged in series with the second zener diode to form a first series branch, the first series branch is arranged in parallel with the output end of the silicon controlled rectifier, and the second capacitor, the first zener diode and the positive electrode side of the first series branch are respectively connected with the outlet positive electrode of the silicon controlled rectifier.
Further, the control circuit further comprises a fourth resistor, a fifth resistor, a tenth resistor, an eleventh resistor, a first rectifying diode, a fourth rectifying diode, a first adjustable resistor, a third capacitor, a second light emitting diode, a triode and a relay; the 8 pins and the 12 pins of the integrated block are respectively connected with two ends of a first wire, wherein a first electric connection point is arranged between the two ends of the first wire, and the first electric connection point is connected with the positive electrode end of the third capacitor; the fourth resistor, the fifth resistor, the first rectifying diode and the first adjustable resistor are sequentially connected in series, wherein the positive electrode side of the first rectifying diode is connected with the 9 pins of the integrated block, the negative electrode side of the first rectifying diode is connected with the positive electrode end of the third capacitor, and the negative electrode end of the third capacitor is connected with the negative electrode of the second voltage stabilizing diode; one end of the eleventh resistor is connected with the 9 pin of the integrated block, the other end of the eleventh resistor is connected with the positive electrode pin of the second light-emitting diode, and the negative electrode pin of the second light-emitting diode is connected with the 7 pin of the integrated block; the tenth resistor is used for connecting the 9 pins of the integrated block with the base electrode of the triode, the collector electrode of the triode is connected with one pin in the coil of the relay, the other pin in the coil of the relay is connected with the positive electrode of the first voltage stabilizing diode, and the emitter electrode of the triode is connected with the 7 pins of the integrated block; the fourth rectifier diode is arranged in anti-parallel with the coil pin of the relay.
Further, the control circuit further comprises a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a second rectifying diode, a second adjustable resistor and a first light emitting diode; the sixth resistor, the seventh resistor, the second rectifying diode and the second adjustable resistor are sequentially connected in series, wherein the negative side of the second rectifying diode is connected with the 13 pins of the integrated block, and the positive side of the second rectifying diode is connected with the positive pin of the third capacitor; the 11 pin and the 13 pin of the integrated block are connected through an eighth resistor; one end of the ninth resistor is connected with the positive electrode end of the second voltage stabilizing diode, the other end of the ninth resistor is connected with the positive electrode pin of the first light emitting diode, and the negative electrode pin of the first light emitting diode is connected with the 9 pins of the integrated block.
Further, the control circuit further comprises a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a second switch, a fourth capacitor, a third rectifying diode, a fifth rectifying diode, a sixth rectifying diode and a third light emitting diode; the 2 pins and the 6 pins of the integrated block are respectively connected with two ends of a second wire, a second electric connection point is arranged between the two ends of the second wire, the second electric connection point is connected with the positive electrode pin of the fourth capacitor, and the negative electrode pin of the fourth capacitor is connected with the negative electrode pin of the second zener diode; the fourteenth resistor, the second switch and the sixth rectifying diode are sequentially connected in series, wherein the positive electrode side of the sixth rectifying diode is connected with the 5 pin of the integrated block, and the negative electrode side of the sixth rectifying diode is connected with the positive electrode pin of the fourth capacitor; the twelfth resistor is connected with the fifth rectifying diode in series, wherein the positive electrode side of the fifth rectifying diode is connected with the positive electrode pin of the fourth capacitor, and the negative electrode side of the fifth rectifying diode is connected with the 1 pin of the integrated block; the ninth resistor and the third light-emitting diode are arranged in series to form a second series branch, one end of the second series branch is connected with the 14 pins of the integrated block, the other end of the second series branch is connected with the 5 pins of the integrated block, and the positive electrode side of the third light-emitting diode in series is connected with the 14 pins of the integrated block; the 3 pin and the 1 pin of the integrated block are connected through the thirteenth resistor; the positive electrode pin of the third rectifying diode is connected with the positive electrode pin of the third capacitor, and the negative electrode pin of the third rectifying diode is connected with the 1 pin of the integrated block.
Second aspect
The embodiment of the invention also provides an electric blanket, which comprises the multifunctional switch structure and a heating wire.
Further, the heating wire is one strip; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch and a seventh rectifying diode; the normally open pin of the relay is connected with the high-gear live wire inlet pin of the first sliding switch, the normally open pin of the relay is connected with the low-gear live wire inlet pin of the first sliding switch through the seventh rectifier diode, the zero line of the power plug is connected with the zero line inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch is used for being connected with one end of a heating wire of the electric blanket, and the zero line outlet pin of the first sliding switch is used for being connected with the other end of the heating wire of the electric blanket.
Further, the number of the heating wires is two, one heating wire is a high-gear heating wire, and the other heating wire is a low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, and the switching circuit comprises a first sliding switch; the normally open pin of the relay is connected with the live wire inlet pin of the first sliding switch, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the high-gear live wire outlet pin of the first sliding switch is connected with one end of the high-gear heating wire, and the common outgoing pin of the first sliding switch is connected with the other end of the high-gear heating wire; the first sliding switch low-gear live wire outgoing pin is connected with one end of the low-gear heating wire, and the first sliding switch zero wire outgoing public pin is connected with the other end of the low-gear heating wire.
Further, the number of the heating wires is two, and the heating wires comprise a first heating wire and a second heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch, a second sliding switch, a seventh rectifier diode and an eighth rectifier diode; the normally open pin of the relay is connected with the high-gear live wire inlet pin of the first sliding switch, the normally open pin of the relay is connected with the low-gear live wire inlet pin of the first sliding switch through the seventh rectifier diode, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch is connected with one end of a first heating wire, and the zero wire outlet pin of the first sliding switch is connected with the other end of the first heating wire; the normally open foot of relay is directly connected with second slide switch high-gear live wire inlet wire foot, the normally open foot of relay passes through eighth rectifier diode is connected with second slide switch low-gear live wire inlet wire foot, power plug's zero line is connected with second slide switch zero line inlet wire foot, second slide switch live wire outlet wire foot is connected with the one end of second heater, second slide switch zero line outlet wire foot with the other end of second heater is connected.
Further, the four heating wires comprise a first high-gear heating wire, a first low-gear heating wire, a second high-gear heating wire and a second low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch and a second sliding switch; the normally open pin of the relay is connected with the live wire inlet pin of the first sliding switch, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch at a high gear is connected with one end of the heating wire at a high gear, the common pin of the zero wire outlet of the first sliding switch is connected with the other end of the heating wire at a high gear, the live wire outlet pin of the first sliding switch at a low gear is connected with one end of the heating wire at a low gear, and the common pin of the zero wire outlet of the first sliding switch is connected with the other end of the heating wire at a low gear; the normally open foot of relay with second slide switch live wire inlet wire foot is connected, power plug's zero line with second slide switch zero line inlet wire foot is connected, second slide switch high-speed live wire outlet foot with the one end of second high-speed heater is connected, the public foot of second slide switch zero line outlet wire with the other end of second high-speed heater is connected, second slide switch low-speed live wire outlet foot with the one end of second low-speed heater is connected, the public foot of second slide switch zero line outlet wire with the other end of second low-speed heater is connected.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the multifunctional switch structure, through the structural design of the multifunctional switch, based on a control circuit, the control circuit comprises an NE556N integrated block and a second voltage-stabilizing diode; the positive electrode of the second zener diode is connected with the 14 feet of the integrated block, the 14 feet of the integrated block are connected with the 4 feet, the 14 feet of the integrated block are connected with the 10 feet, the 12 feet of the integrated block are connected with the 8 feet, the 2 feet of the integrated block are connected with the 6 feet, the 7 feet of the integrated block are connected with the negative electrode of the second zener diode, and the functions of cycle timing on, cycle timing off and cold start of the integrated block are realized through the design of a connecting structure;
the electric blanket provided by the embodiment of the invention can further improve the functions of the electric blanket and increase the applicability based on the multifunctional switch structure.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Fig. 1 is a circuit diagram of a multifunctional switch structure according to an embodiment of the present invention;
FIG. 2 is a schematic front view (single control) of an upper shell according to an embodiment of the present invention;
FIG. 3 is a schematic view of the back of an upper shell (single control) according to an embodiment of the present invention;
FIG. 4 is a schematic front view of an assembled upper shell (single control) according to an embodiment of the present invention;
FIG. 5 is a schematic front view of an upper shell (double control) according to another embodiment of the present invention;
FIG. 6 is a schematic rear view of the upper shell shown in FIG. 5;
FIG. 7 is a schematic front view of an assembled upper shell (double control) according to another embodiment of the present invention;
fig. 8 is a schematic front view of a bottom shell according to an embodiment of the present invention;
fig. 9 is a schematic diagram of the back of the bottom shell according to an embodiment of the present invention;
FIG. 10 is a partial widget style diagram of a housing structure provided by an embodiment of the present invention;
fig. 11 is a circuit board layout pattern diagram (single control single heating wire) provided by an embodiment of the present invention;
fig. 12 is a circuit board layout pattern diagram (single control two heating wires) according to another embodiment of the present invention;
fig. 13 is a circuit board layout pattern diagram (two heating wires for double control) according to another embodiment of the present invention;
fig. 14 is a circuit board layout pattern diagram (two-control four heating wires) according to another embodiment of the present invention;
FIG. 15 is a pattern diagram of the combination of FIGS. 8 and 11;
FIG. 16 is a pattern diagram of the combination of FIGS. 8 and 12;
FIG. 17 is a pattern diagram of the combination of FIGS. 8 and 13;
fig. 18 is a pattern diagram of the combination of fig. 8 and 14.
The reference numerals in the figures are in turn:
XP-power plug, FU-breaker, SB 1-first switch, SB 2-second switch, C1-first capacitor, C2-second capacitor, C3-third capacitor, C4-fourth capacitor, R1-first resistor, R2-second resistor, R3-third resistor, R4-fourth resistor, R5-fifth resistor, R6-sixth resistor, R7-seventh resistor, R8-eighth resistor, R9-ninth resistor, R10-tenth resistor, R11-eleventh resistor, R12-twelfth resistor, R13-thirteenth resistor, R14-fourteenth resistor, UR-silicon controlled rectifier, DW 1-first zener diode, DW 2-second zener diode, D1-first rectifying diode, D2-second zener diode D3-third rectifier diode, D4-fourth rectifier diode, D5-fifth rectifier diode, D6-sixth rectifier diode, D7-seventh rectifier diode, D8-eighth rectifier diode, RP 1-first adjustable resistor, RP 2-second adjustable resistor, J-relay, VT-triode, LED 1-first light emitting diode, LED 2-second light emitting diode, LED 3-third light emitting diode, IC-integrated block, K1-first slide switch, K2-second slide switch, 1-power inlet, 2-first switch handle hole, 3-second switch handle hole, 4-lever handle limit slot, 5-gear mark, 6-lever slide hole, 7-timing long mark, 8-placement adjustment lever hollow cylinder, 9-touch-proof cover limiting ring, 10-adjusting rod limiting ring, 11-timing on/off mark, 12-power outlet, 13-second light emitting diode hole, 14-first light emitting diode hole, 15-third light emitting diode hole, 16-bottom shell screw fixing column, 17-upper shell reinforcing plate, 18-metal sheet, 19-deflector rod, 20-deflector rod reinforcing card, 21-metal sheet placing groove, 22-guide strip, 23-shell positioning concave ring groove, 24-first switch handle cap, 25-second switch handle cap, 26-deflector rod handle, 27-gear observation hole, 28-timing indication mark, 29-timing adjustment hole, 30-timing on indicator lamp, 31-timing off indicator lamp, 32-cold start indicator lamp 33-adjusting rod, 34-gear indication mark, 35-shell positioning convex ring strip, 36-power supply incoming line pressing cavity, 37-pressing line block screw fixing hole, 38-bottom shell screw fixing column auxiliary jacket, 39-circuit board supporting pier, 40-circuit board supporting board, 41-circuit board supporting column, 42-power supply outgoing line pressing cavity, 43-bottom shell screw hole, 44-single control switch deflector handle lower diagram, 45-double control switch deflector handle lower diagram, 46-pressing line block, 47-pressing line block screw hole, 48-power supply plug with zero fire mark, 49-adjusting rod limiting block, 50-clamping spring groove, 51-clamping spring, 52-decorative cover, 53-touch-proof cover, 54-first sliding switch high-gear fire wire incoming line foot, 55-first slide switch low range live wire feed pin, 56-first slide switch neutral feed pin, 57-first slide switch live wire feed pin, 58-first slide switch neutral feed pin, 59-first slide switch live wire feed pin, 60-first slide switch high range live wire feed pin, 61-first slide switch low range live wire feed pin, 62-first slide switch neutral feed pin, 63-second slide switch high range live wire feed pin, 64-second slide switch low range live wire feed pin, 65-second slide switch neutral feed pin, 66-second slide switch live wire feed pin, 67-second slide switch neutral feed pin, 68-second slide switch live wire feed pin, 69-second slide switch high range live wire feed pin, 70-second slide switch low range live wire feed pin, 71-second slide switch neutral feed pin.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
Examples
As shown in fig. 1, an embodiment of the present invention provides a multifunctional switch structure, including a control circuit, where the control circuit includes an integrated circuit IC and a second zener diode DW2, where the integrated circuit IC is NE556N; the positive pole of the second zener diode DW2 is connected to the 14 pin of the integrated circuit IC, the 14 pin of the integrated circuit IC is connected to the 4 pin, the 14 pin of the integrated circuit IC is connected to the 10 pin, the 12 pin of the integrated circuit IC is connected to the 8 pin, the 2 pin of the integrated circuit IC is connected to the 6 pin, and the 7 pin of the integrated circuit IC is connected to the negative pole of the second zener diode DW 2.
The NE556N is used as an integrated circuit IC of the control circuit, so that accurate timing can be realized, and the realization of cycle timing on, cycle timing off and cold start is ensured.
In the scheme, through the structural design of the multifunctional switch, the control circuit comprises an NE556N integrated circuit IC and a second zener diode DW2; the positive pole of the second zener diode DW2 is connected with the 14 pin of the integrated circuit IC, the 14 pin of the integrated circuit IC is connected with the 4 pin, the 14 pin of the integrated circuit IC is connected with the 10 pin, the 12 pin of the integrated circuit IC is connected with the 8 pin, the 2 pin of the integrated circuit IC is connected with the 6 pin, and the 7 pin of the integrated circuit IC is connected with the negative pole of the second zener diode DW2, so that the functions of cycle timing on, cycle timing off and cold start of the integrated circuit IC are realized through the design of a connection structure.
As a person skilled in the art will appreciate, for the control circuit structure, in order to implement the basic function, it is necessary to provide a corresponding power circuit, which includes, as a specific embodiment of the power circuit, a power plug XP, a circuit breaker FU, a first switch SB1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, a silicon controlled rectifier UR, and a first zener diode DW1; the power plug XP, the breaker FU, the first switch SB1, the first resistor R1, the second resistor R2 and the input end of the silicon controlled rectifier UR are sequentially connected in series to form a closed circuit; the first capacitor C1 is arranged in parallel with the first resistor R1, the second capacitor C2 and the first voltage stabilizing diode DW1 are respectively arranged in parallel with the output end of the silicon controlled rectifier UR, the third resistor R3 and the second voltage stabilizing diode DW2 are arranged in series to form a first series branch, the first series branch is arranged in parallel with the output end of the silicon controlled rectifier UR, and the second capacitor C2, the first voltage stabilizing diode DW1 and the positive electrode side of the first series branch are respectively connected with the outgoing line positive electrode of the silicon controlled rectifier UR.
Wherein, the first capacitor C1 is a nonpolar capacitor.
The first switch SB1 is a self-locking switch, and can conveniently and completely close the power supply when the electric blanket is not used, so that the safety of electricity utilization and electricity saving are realized.
The power plug XP, the circuit breaker FU, the first switch SB1, the first resistor R1, the second resistor R2 and the silicon controlled rectifier UR are sequentially connected in series to form a closed circuit, and the first capacitor C1 and the first resistor R1 are connected in parallel, so that the ac strong current can be converted into the low-voltage dc.
The power plug XP is set to be provided with a zero fire mark, so that the relay J is in a disconnected state, almost no electricity and almost no radiation are guaranteed in the bed.
The second capacitor C2 and the first zener diode DW1 are respectively connected with the silicon controlled rectifier UR in parallel, wherein the second capacitor C2 and the first zener diode DW1 are respectively connected with the outgoing positive electrode of the silicon controlled rectifier UR, so as to provide a stable power line for the relay J and ensure the stability of the relay J.
As shown in fig. 1, the third resistor R3 and the second zener diode DW2 are arranged in series to form a first series branch, the first series branch and the output end of the silicon controlled rectifier UR are arranged in parallel, and the positive side of the first series branch is connected with the outgoing positive electrode of the silicon controlled rectifier UR, so as to provide a relatively stable power line for the integrated circuit IC.
As a specific implementation manner for realizing the cyclic timing on function, the control circuit further includes a fourth resistor R4, a fifth resistor R5, a tenth resistor R10, an eleventh resistor R11, a first rectifying diode D1, a fourth rectifying diode D4, a first adjustable resistor RP1, a third capacitor C3, a second light emitting diode LED2, a triode VT, and a relay J; the 8 pins and the 12 pins of the integrated circuit IC are respectively connected with two ends of a first wire, wherein a first electric connection point is arranged between the two ends of the first wire, and the first electric connection point is connected with the positive electrode end of the third capacitor C3; the fourth resistor R4, the fifth resistor R5, the first rectifying diode D1 and the first adjustable resistor RP1 are sequentially connected in series, wherein the positive electrode side of the first rectifying diode D1 is connected with the 9 pin of the integrated circuit IC, the negative electrode side of the first rectifying diode D1 is connected with the positive electrode end of the third capacitor C3, and the negative electrode end of the third capacitor C3 is connected with the negative electrode of the second zener diode DW 2; one end of the eleventh resistor R11 is connected with the 9 pin of the integrated circuit IC, the other end of the eleventh resistor R11 is connected with the positive electrode pin of the second light-emitting diode LED2, and the negative electrode pin of the second light-emitting diode LED2 is connected with the 7 pin of the integrated circuit IC; the tenth resistor R10 is used for connecting the 9 pin of the integrated circuit IC with the base electrode of the triode VT, the collector electrode of the triode VT is connected with one pin of the coil of the relay J, the other pin of the coil of the relay J is connected with the positive electrode of the first zener diode DW1, and the emitter electrode of the triode VT is connected with the 7 pin of the integrated circuit IC; the fourth rectifying diode D4 is arranged in anti-parallel with the coil pin of the relay J.
The method is characterized in that the cyclic timing opening is completed by closing a normally open pin of the relay J in the process of charging the third capacitor C3, and specifically, the third capacitor C3 is a capacitor with polarity.
Specifically, as those skilled in the art should know, the resistances of the fourth resistor R4 and the fifth resistor R5 define a duration base for charging the third capacitor C3, and the duration of charging the third capacitor C3 can be adjusted by adjusting the resistance of the first adjustable resistor RP 1.
Specifically, by setting the first rectifying diode D1, the third capacitor C3 can be prevented from being discharged when the 9 pin of the integrated circuit IC becomes low, and the cycle timing off duration control function can be disabled.
As a specific implementation manner for realizing the cyclic timing off function, the control circuit further comprises a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a second rectifying diode D2, a second adjustable resistor RP2, and a first light emitting diode LED1; the sixth resistor R6, the seventh resistor R7, the second rectifying diode D2, and the second adjustable resistor RP2 are sequentially connected in series, wherein the negative side of the second rectifying diode D2 is connected with the 13 pin of the integrated circuit IC, and the positive side of the second rectifying diode D2 is connected with the positive pin of the third capacitor C3; the 11 pin and the 13 pin of the integrated circuit IC are connected through an eighth resistor R8; one end of the ninth resistor R9 is connected with the positive electrode end of the second zener diode DW2, the other end of the ninth resistor R9 is connected with the positive electrode pin of the first light emitting diode LED1, and the negative electrode pin of the first light emitting diode LED1 is connected with the 9 pin of the integrated circuit IC.
The cyclic timer is completed by opening the normally open pin of the relay J during the discharging process of the third capacitor C3.
The fourth rectifying diode D4 is connected in parallel with the relay J, and the fourth rectifying diode D4 and the relay J are connected in anti-parallel, so as to discharge self-induced electromotive force of the coil of the relay J.
Specifically, as those skilled in the art should know, the resistances of the sixth resistor R6 and the seventh resistor R7 define a duration base for discharging the third capacitor C3, and the duration of the discharging of the third capacitor C3 can be adjusted by adjusting the resistance of the second adjustable resistor RP 2.
Specifically, by setting the second rectifying diode D2, the eighth resistor R8 can be prevented from charging the capacitor C3 with polarity, so that the function of controlling the cycle timing on-time is disabled.
As a specific embodiment for implementing the cold start function, the control circuit further includes a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a second switch SB2, a fourth capacitor C4, a third rectifying diode D3, a fifth rectifying diode D5, a sixth rectifying diode D6, and a third light emitting diode LED3; the 2 pins and the 6 pins of the integrated circuit IC are respectively connected with two ends of a second wire, a second electric connection point is arranged between the two ends of the second wire, the second electric connection point is connected with the positive electrode pin of the fourth capacitor C4, and the negative electrode pin of the fourth capacitor C4 is connected with the 7 pin of the integrated circuit IC; the fourteenth resistor R14, the second switch SB2 and the sixth rectifying diode D6 are sequentially connected in series, wherein the positive side of the sixth rectifying diode D6 is connected to the 5 pin of the integrated circuit IC, and the negative side of the sixth rectifying diode D6 is connected to the positive pin of the fourth capacitor C4; the twelfth resistor R12 is connected in series with the fifth rectifying diode D5, wherein the positive side of the fifth rectifying diode D5 is connected with the positive pin of the fourth capacitor C4, and the negative side of the fifth rectifying diode D5 is connected with the 1 pin of the integrated circuit IC; the ninth resistor R9 and the third light emitting diode LED3 are arranged in series to form a second series branch, one end of the second series branch is connected with the 14 pin of the integrated circuit IC, the other end of the second series branch is connected with the 5 pin of the integrated circuit IC, and the positive electrode side of the third light emitting diode LED3 connected in series is connected with the 14 pin of the integrated circuit IC; the 3 pin and the 1 pin of the integrated circuit IC are connected through the thirteenth resistor R13; the positive electrode pin of the third rectifying diode D3 is connected with the positive electrode pin of the third capacitor C3, and the negative electrode pin of the third rectifying diode D3 is connected with the 1 pin of the integrated circuit IC.
The second switch SB2 is a self-resetting switch, and in order to prevent the quick heating caused by the false pressing of the self-resetting switch, the start time of the self-resetting switch is set to 5 seconds, and in order to ensure the quick heating, mite removal, etc., the cold start working time is set to 30 minutes.
The 3 pin and the 1 pin of the integrated circuit IC are connected through the thirteenth resistor R13, and when the fourth capacitor C4 discharges, the lowest voltage of the fourth capacitor C4 is controlled.
The positive side of the third rectifying diode D3 is connected with the positive side of the third capacitor C3, and the negative side of the third rectifying diode D3 is connected with the 1 pin of the integrated circuit IC, so that the third capacitor C3 is in a discharge state in a discharge process of the fourth capacitor C4, and a cycle timing opening part is always in an open state.
Specifically, the fourth capacitor C4 is a capacitor with polarity.
Specifically, as the fourteenth resistor R14 defines the charging duration of the fourth capacitor C4, the sixth rectifier diode D6 is used to prevent the fourth capacitor C4 from being discharged when the pin 5 of the integrated circuit IC becomes low, so that the discharging duration control function of the fourth capacitor C4 is disabled; the twelfth resistor R12 defines the discharging duration of the fourth capacitor C4, the fifth rectifying diode D5 is used for preventing the third rectifying diode D3 and the thirteenth resistor R13 from charging the fourth capacitor C4, the thirteenth resistor R13 is mainly used for enabling the voltage of the fourth capacitor C4 to be lower when the fourth capacitor C4 is discharged, the discharging duration is longer, the resistance value of the twelfth resistor R12 used for realizing the longer discharging duration is smaller under the condition that the fourth capacitor C4 has a certain capacity, the thirteenth resistor R13 has little influence on the highest voltage of the fourth capacitor C4 when the fourth capacitor C4 is charged, because the pin 1 of the integrated circuit IC is disconnected when the fourth capacitor C4 is charged, the third capacitor C3 is in a discharging state when the third rectifying diode D3 is used for discharging the fourth capacitor C4, the normally open pin of the relay J is kept in a closed state, and the thirteenth resistor R13 is used for preventing the thirteenth resistor R13 from charging the third capacitor C3, so that the cycle timing on-off control function is disabled.
The first light emitting diode LED1, the second light emitting diode LED2 and the third light emitting diode LED3 are arranged, so that three indicator lamps of timing on, timing off and cold on are realized, and the current working state of the electric blanket can be judged by a user.
The temperature in the quilt is changed by utilizing the alternating switch functions of the cycle timing on and the cycle timing off, on the premise of ensuring comfortable temperature, the self-regulation of the body temperature and the wettability of a human body can be realized, people are prevented from being frozen and awakened in the sleeping process, the strong cold resistance can be realized, the symptoms of dry nose pain, eye edema, constipation, dizziness, hypomnesis, listlessness, depression dysphoria and the like can be greatly reduced, and finally the purposes of resting and preserving the people in sleeping are realized.
The embodiment of the invention also provides an electric blanket, which comprises the multifunctional switch structure and a heating wire.
As shown in fig. 11 and 15, in some embodiments, the heating wire is one wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch K1 and a seventh rectifying diode D7; the normally open pin of the relay J is connected with the first sliding switch high-gear live wire inlet pin 54, the normally open pin of the relay J is connected with the first sliding switch low-gear live wire inlet pin through the seventh rectifier diode D7, the zero line of the power plug XP is connected with the first sliding switch zero line inlet pin 56, the first sliding switch live wire outlet pin 57 is used for being connected with one end of a heating wire of an electric blanket, and the first sliding switch zero line outlet pin 58 is used for being connected with the other end of the heating wire of the electric blanket.
As shown in fig. 12 and 16, in some embodiments, two heating wires are provided, one of the heating wires is a high-gear heating wire, and the other heating wire is a low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, and the switching circuit comprises a first sliding switch K1; the normally open pin of the relay J is connected with the first sliding switch live wire inlet pin 59, the zero line of the power plug XP is connected with the first sliding switch zero line inlet pin 56, the first sliding switch high-gear live wire outlet pin 60 is connected with one end of the high-gear heating wire, and the first sliding switch zero line outlet common pin 62 is connected with the other end of the high-gear heating wire; the first sliding switch low-gear live wire outgoing pin 61 is connected with one end of the low-gear heating wire, and the first sliding switch zero wire outgoing common pin 62 is connected with the other end of the low-gear heating wire.
As shown in fig. 13 and 17, in some embodiments, the heating wires are two, including a first heating wire and a second heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch K1, a second sliding switch K2, a seventh rectifying diode D7 and an eighth rectifying diode D8; the normally open pin of the relay J is connected with the first sliding switch high-gear live wire inlet pin 54, the normally open pin of the relay J is connected with the first sliding switch low-gear live wire inlet pin 55 through the seventh rectifier diode D7, the zero line of the power plug XP is connected with the first sliding switch zero wire inlet pin 56, the first sliding switch live wire outlet pin 57 is connected with one end of a first heating wire, and the first sliding switch zero wire outlet pin 58 is connected with the other end of the first heating wire; the normally open foot of relay J is directly connected with second slide switch high range live wire business turn over foot 63, relay J's normally open foot passes through eighth rectifier diode D8 is connected with second slide switch low range live wire business turn over foot 64, the zero line of power plug XP is connected with second slide switch zero line business turn over foot 65, second slide switch live wire business turn over foot 66 is connected with the one end of second heater, second slide switch zero line business turn over foot 67 with the other end of second heater is connected.
As shown in fig. 14 and 18, in some embodiments, the heating wires are four, including a first high-gear heating wire, a first low-gear heating wire, a second high-gear heating wire, and a second low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch K1 and a second sliding switch K2; the normally open pin of the relay J is connected with the first sliding switch live wire inlet pin 59, the zero wire of the power plug XP is connected with the first sliding switch zero wire inlet pin 56, the first sliding switch high-gear live wire outlet pin 60 is connected with one end of the first high-gear heating wire, the first sliding switch zero wire outlet common pin 62 is connected with the other end of the first high-gear heating wire, the first sliding switch low-gear live wire outlet pin 61 is connected with one end of the first low-gear heating wire, and the first sliding switch zero wire outlet common pin 62 is connected with the other end of the first low-gear heating wire; the normally open foot of relay J with second slide switch live wire advances line foot 68 and is connected, the zero line of power plug XP with second slide switch zero line advances line foot 65 and is connected, second slide switch high-gear live wire goes out line foot 69 with the one end of second high-gear heater is connected, second slide switch zero line common foot 71 with the other end of second high-gear heater is connected, second slide switch low-gear live wire goes out line foot 70 with the one end of second low-gear heater is connected, second slide switch zero line common foot 71 with the other end of second low-gear heater is connected.
As shown in fig. 2 to 10, it should be noted that, in order to achieve protection of the switch structure, the embodiment of the present invention further provides a specific housing structure, where the housing structure includes an upper shell and a bottom shell.
As a specific embodiment of the upper case, the upper case includes a power supply wire inlet 1, a first switch handle hole 2, a second switch handle hole 3, a shift lever handle limit groove 4, a gear mark 5, a shift lever sliding hole 6, a timing duration mark 7, a positioning adjustment lever hollow cylinder 8, an anti-touch cover limit ring 9, an adjustment lever limit ring 10, a timing on/off mark 11, a power supply wire outlet 12, a second light emitting diode hole 13, a first light emitting diode hole 14, a third light emitting diode hole 15, a bottom shell screw fixing column 16, an upper case reinforcing plate 17, a metal sheet 18, a shift lever 19, a shift lever reinforcing card 20, a metal sheet placing groove 21, a guide strip 22, a housing positioning concave groove 23, a first switch handle cap 24, a second switch handle cap 25, a shift lever handle 26, a gear observation hole 27, a timing indication mark 28, a timing adjustment hole 29, an adjustment lever 33, a gear indication mark 34, a clamp spring 51, and an anti-touch cover 53.
Specifically, the upper shell is elliptical in shape, the power supply wire inlet 1 is positioned at the upper end of the upper shell, the first switch handle hole 2 and the second switch handle hole 3 are positioned at the upper left corner of the upper shell, the first switch handle hole 2 is positioned above the second switch handle hole 3, the first switch handle hole 2 and the second switch handle hole 3 are through holes, the deflector rod handle limit groove 4 is in a long strip shape, the deflector rod handle limit groove 4 is positioned in the middle of the upper shell and is concave, the upper surface of the deflector rod handle limit groove 4 is also a part of the upper surface of the upper shell, the gear mark 5 is positioned on the upper surface of the upper shell and below the gear observation hole 27 or beside the gear indication mark 34, the deflector rod slide hole 6 is rectangular in shape and is a through hole penetrating the upper surface and the lower surface of the upper shell, the deflector rod slide hole 6 is positioned at the center of the deflector rod handle limit groove 4 and slightly above, the timing time length mark 7 is positioned on the upper surface of the lower end of the shifting lever handle limit groove 4 and surrounds the vicinity of the upper surface of the adjusting lever 33, the positioning adjusting lever hollow cylinder 8 is positioned on the lower end of the shifting lever handle limit groove 4, the upper end of the positioning adjusting lever hollow cylinder 8 is integrated with the upper shell, the lower end of the positioning adjusting lever hollow cylinder 8 is lower than the lower surface of the upper shell and the lower end hole diameter is smaller than the upper end hole diameter, the touch-proof cover limit ring 9 is positioned on the periphery of the lower inner part of the upper end of the positioning adjusting lever hollow cylinder 8, the positioning adjusting lever limit ring 10 is positioned on the upper inner part of the lower end of the positioning adjusting lever hollow cylinder 8 and is semi-annular, the timing on/off mark 11 is positioned on the upper surface of the shifting lever handle limit groove 4 and below the upper end surface of the positioning adjusting lever hollow cylinder 8, the power supply outlet 12 is positioned on the lower end of the upper shell, the first led hole 14, the second led hole 13, and the third led hole 15 are all located at the upper right corner of the upper case and are all through holes penetrating the upper and lower surfaces of the upper case, the second led hole 13, the first led hole 14, and the third led hole 15 are arranged in a "one" shape, the bottom shell screw fixing post 16 is a hollow cylinder and is located at the lower surface of the upper and lower ends of the upper case near the middle, the upper end of the bottom shell screw fixing post 16 is completely connected with the lower surface of the upper case, the outer diameter of the bottom shell screw fixing post 16 is slightly smaller than the inner diameter of the bottom shell screw fixing post auxiliary jacket 38, the upper case reinforcing plate 17 is located at the left and right sides of the lower surface of the upper case and is connected with the inner side surfaces, the metal sheet 18 is placed in the metal sheet placing groove 21 and the two ends of the metal sheet 18 are propped against the inner side surfaces of the two ends of the metal sheet placing groove 21, the deflector rod 19 is positioned in the middle of the lower surface of the deflector rod handle 26 and is arranged in pairs, the upper end of the deflector rod 19 is connected with the lower surface of the deflector rod handle 26, the lower end of the deflector rod 19 is in a shape of a pointer-less arrow, the deflector rod 19 is inserted into and penetrates through a groove body of the metal sheet placing groove 21 through the deflector rod sliding hole 6, the deflector rod reinforcing card 20 is in a T letter shape, the guide strips 22 are arranged in pairs, the distance between the pair of guide strips 22 is slightly larger than the width of the metal sheet placing groove 21, the length of the guide strips 22 is longer than the length of the metal sheet placing groove 21, the shell positioning concave groove 23 is positioned on the inner side of the lower edge of the upper shell and is a part of the lower edge of the upper shell, the first switch handle cap 24 is in a cylinder shape with a small upper part and a big lower part, the lower end of the first switch handle cap 24 is in a hollow cylinder shape with a hollow diameter slightly larger than the diameter of the first switch SB1 handle, the second switch handle cap 25 is in a cylinder shape with a big upper part, the lower extreme of second switch handle cap 25 is hollow cylinder and the inside diameter slightly is greater than the diameter of second switch SB2 handle, driving lever handle 26 is the rectangle of fillet, driving lever handle 26 is placed in driving lever handle spacing groove 4, and the highest upper surface and the upper surface height of border all around of driving lever handle 26 and driving lever handle spacing groove 4 all around border, gear observation hole 27 is located gear sign 5's top, and gear observation hole 27 is a part of driving lever handle 26, and gear observation hole 27 is the through-hole that pierces through driving lever handle 26 upper and lower surface, timing indication sign 28 is triangle-shaped and is located the one end of timing adjustment hole 29, and timing indication sign 28 is a part of regulation pole 33 upper surface, timing adjustment hole 29 is rectangular recess and is located the central authorities of regulation pole 33 upper surface, the regulation pole 33 comprises timing indication sign 28, timing adjustment hole 29, regulation pole stopper 49, jump ring groove 50, and overall structure is big-end-down's cylinder shape, gear indication sign 34 is the arrow-shaped and is located the top of handle shape and is located the top of arrow mark 26, and is the diameter of opening of the top end of circle that is located at the tip of the opening of step 9, and is placed at the inside diameter of the tip of the jump ring of the opening of position of the jump ring cover 51 is defined by the hollow ring shape of the diameter of the tip of the jump ring 5's 51.
As a specific embodiment of the bottom shell, the bottom shell includes a shell positioning convex ring strip 35, a power supply wire inlet wire pressing cavity 36, a wire pressing block screw fixing hole 37, a bottom shell screw fixing column auxiliary outer sleeve 38, a circuit board supporting pier 39, a circuit board supporting plate 40, a circuit board supporting column 41, a power supply wire outlet wire pressing cavity 42, a bottom shell screw hole 43, a wire pressing block 46 and a decorative cover 52; the shape of the bottom shell is elliptic, the shell positioning convex ring strip 35 is positioned around the inner side of the upper edge of the bottom shell and is a part of the upper edge of the bottom shell, the power supply wire inlet wire pressing cavity 36 is positioned at the upper end of the bottom shell and positioned at the inner side of the power supply wire inlet 1, beside the wire pressing block screw fixing holes 37, the front and the back of the power supply wire inlet wire pressing cavity 36 are baffles of a U-shaped port, the wire pressing block screw fixing holes 37 are positioned at the upper end and the lower end of the bottom shell and positioned at the inner side of the power supply wire inlet 1 or the power supply wire outlet 12, one end of the wire pressing block screw fixing holes 37 is connected with the upper surface of the bottom shell, the wire pressing block screw fixing holes 37 are paired and have the same hole pitch as the center hole pitch of the wire pressing block screw holes 47, the bottom shell screw fixing column auxiliary outer sleeve 38 is a pair, the bottom shell screw fixing column auxiliary outer sleeve 38 is a hollow cylinder and the hole diameter of the upper end is larger than the hole diameter of the lower end, the auxiliary outer sleeve 38 of the bottom shell screw fixing column is positioned on the upper surface near the two ends of the bottom shell and is adjacent to the power supply wire inlet wire pressing cavity 36 or the power supply wire outlet wire pressing cavity 42, the inner hollow diameter of the auxiliary outer sleeve 38 of the bottom shell screw fixing column is slightly larger than the outer diameter of the bottom shell screw fixing column 16, the circuit board supporting pier 39 is positioned on the outer edge of the lower end of the auxiliary outer sleeve 38 of the bottom shell screw fixing column and is a part of the auxiliary outer sleeve 38 of the bottom shell screw fixing column, the lower end of the circuit board supporting pier 39 is connected with the upper surface of the bottom shell, the height of the circuit board supporting pier 39 is the same as the height of the circuit board supporting column 41, the circuit board supporting plate 40 is positioned on the left side and the right side above the bottom shell and is connected with the inner side surface of the bottom shell, a notch is arranged near the lower end of the circuit board supporting plate 40, the height of the notch is the upper surface of the bottom shell is the same as the height of the circuit board supporting pier 39, the circuit board support column 41 is a solid cylinder, the bottom end of the solid cylinder is connected with the upper surface of the bottom shell, the height of the circuit board support column 41 is the same as that of the circuit board support pier 39, the power supply wire-outlet wire-pressing cavity 42 is located at the lower end of the bottom shell and located at the inner side of the power supply wire outlet 12, beside the wire-pressing block screw fixing hole 37, the front and rear of the power supply wire-outlet wire-pressing cavity 42 are baffles with U-shaped openings, the bottom shell screw hole 43 is a part of the bottom shell, the inside of the bottom shell screw hole 43 is a hollow cylinder with a large bottom, the bottom shell screw hole 43 penetrates through the upper surface and the lower surface of the bottom shell and is a part of the lower end of the bottom shell screw fixing column auxiliary outer sleeve 38, the wire-pressing block 46 is a wire-pressing block screw hole 47 at the left end and the right end, the protruding part of the wire-pressing block 46 is solid, and the decorative cover 52 is covered inside the lower end of the bottom shell screw hole 43.
Wherein, the adjusting part of the cycle timing on and the cycle timing off is arranged below the deflector rod handle 26, which not only simplifies the appearance of the electric blanket switch, but also is convenient to operate, and the arrangement below the deflector rod handle 26 does not greatly influence the operation, because the voltage in the same area is relatively stable, thus the electric blanket switch does not need to be adjusted frequently in use.
As a specific embodiment of the installation of the switch structure in the housing structure, first, a circuit board structure of a control circuit is prepared, and a power supply inlet wire of the circuit board is connected with a power supply plug 48 with a zero fire mark; the second step, the power outlet wire of the circuit board is connected with the wire connected with the heating wire of the electric blanket, the third step, the circuit board prepared in the two steps is put into the bottom shell, the fourth step, the wire pressing block 46 is installed at the position of the power inlet wire pressing cavity 36 by using screws to firmly lead the power inlet wire, the wire pressing block 46 is installed at the position of the power outlet wire pressing cavity 42 to firmly lead the power outlet wire, the fifth step, the installation of the first sliding switch K1 at the upper shell is completed, the sixth step, the installation of the adjusting rod 33 at the upper shell is completed, the seventh step, the first switch handle cap 24 is sleeved on the handle of the first switch SB1, the second switch handle cap 25 is sleeved on the handle of the second switch SB2, the eighth step, the upper shell on which the first sliding switch K1 and the adjusting rod 33 are installed and the bottom shell on which the circuit board are installed are combined together, during installation, the second light emitting diode LED2 is inserted into the second light emitting diode hole 13 from bottom to top to serve as a timing on indicator lamp 30, the first light emitting diode LED1 is inserted into the first light emitting diode hole 14 from bottom to top to serve as a timing off indicator lamp 31, the third light emitting diode LED3 is inserted into the third light emitting diode hole 15 from bottom to top to serve as a cold on indicator lamp 32, the ninth step is that screws are used for entering the bottom shell screw fixing column 16 from bottom to top through the bottom shell screw holes 43 and screwing, the combined installation of the upper shell and the bottom shell is completed, the tenth step is that the decorative cover 52 is inserted into the bottom shell screw holes 43, and the touch-proof cover 53 is inserted into the upper end of the adjusting rod hollow column 8.
As a specific using method of the switch structure, the first step is to judge the live wire jack of the socket by using the test pencil, the second step is to insert the power plug XP into the corresponding socket jack according to the live wire of the zero line, the third step is to adjust and use according to specific conditions, when the temperature is low and the electric blanket needs to be used, the first sliding switch K1 or the second sliding switch K2 of the electric blanket is shifted to a high-gear position, when the temperature is low and the electric blanket needs to be used, the temperature in the quilt is comfortable by adjusting the circulation timing on-time or the circulation timing off-time according to the temperature condition in the quilt, if the temperature of weather is continuously reduced to the lower temperature of the quilt, the circulation timing on-time or the circulation timing off-time is continuously adjusted to make the temperature in the quilt comfortable, the method can meet the comfort temperature in the quilt until the coldest time, when the temperature is warmed up, when the temperature in the quilt is higher when the first sliding switch K1 or the second sliding switch K2 of the electric blanket is shifted to the high-grade position, the temperature of the electric blanket can be controlled by directly using the first sliding switch K1 or the second sliding switch K2 of the electric blanket, besides the fact that the cyclic timing on-time length or the cyclic timing off-time length is required to be adjusted when the first sliding switch K1 or the second sliding switch K2 of the electric blanket is in the low-grade position, the cyclic timing on-time length or the cyclic timing off-time length is not required to be adjusted in the later use process, and if the cyclic timing on-time length or the cyclic timing off-time length is required to be adjusted only slightly, the comfort temperature is not as complex as the previous adjustment, and the comfort temperature refers to the condition that the highest temperature in the quilt can not generate heat, thirst and sweating, the lowest temperature in the quilt can not generate cold, the human body can not feel cold after the morning, and the best adjustment of the cycle timing on-time and the cycle timing off-time is realized when the human body is warm and transparent after the morning.
In the scheme, the appearance structure and the operation method of the switch structure are similar to those of a traditional electric blanket switch, so that the switch structure is beneficial to adapting to the use and operation habits of people of all ages, and is a problem of inconvenient operation caused by insufficient eyesight of the old.
Specifically, in the actual test process of the electric blanket, on the premise of ensuring the comfortable temperature of the bed after the bed is heated, the comfortable temperature refers to that the bed is the hottest and can not wake a person or feel overheated uncomfortable, the coldest and can not wake a person or feel cold after getting up, the time length of the cycle timing is about 10 minutes, the time length of the cycle timing is about 40 minutes, the time length of the cycle timing is calculated by 10 hours, the human body is not damaged by electricity to the human body about 8 hours under the condition of opening the electric blanket all night, namely the damage ratio of the electric blanket to the human body is about 20%, the electric energy can be saved about 80% from the angle of saving electric energy, the time length of the cycle timing is not greatly different for each human, the time length of the cycle timing is greatly different, the main reasons are that the self-adjusting capacity of the bodies of each human body is different, the quality of bedding articles is different, the environment is different, the clothes worn on the sleeping human body is different, and the like; the time length of the cycle timing switch is 30 minutes at maximum, the time length of the cycle timing switch is 10 minutes at minimum, the time length is calculated by 10 hours, and the harm of the electric blanket to the human body is reduced by about 25% and the electric energy is saved by about 25% under the condition that the electric blanket is switched on all night.
The above is a preferred embodiment of the present invention, and a person skilled in the art can also make alterations and modifications to the above embodiment, so that the present invention is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by a person skilled in the art on the basis of the present invention are all within the scope of the present invention.

Claims (10)

1. A multifunctional switch structure is characterized in that,
the control circuit comprises an integrated block and a second zener diode, wherein the integrated block is NE556N;
the positive pole of the second zener diode is connected with the 14 feet of the integrated block, the 14 feet of the integrated block are connected with the 4 feet, the 14 feet of the integrated block are connected with the 10 feet, the 12 feet of the integrated block are connected with the 8 feet, the 2 feet of the integrated block are connected with the 6 feet, and the 7 feet of the integrated block are connected with the negative pole of the second zener diode.
2. The multifunction switch fabric of claim 1, further comprising a power circuit for providing power to the control circuit, wherein the power circuit comprises a power plug, a circuit breaker, a first switch, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a silicon controlled rectifier, a first zener diode;
The power plug, the circuit breaker, the first switch, the first resistor, the second resistor and the input end of the silicon controlled rectifier are sequentially connected in series to form a closed circuit;
the first capacitor is arranged in parallel with the first resistor, the second capacitor and the first voltage stabilizing diode are respectively arranged in parallel with the output end of the silicon controlled rectifier, the third resistor is arranged in series with the second voltage stabilizing diode to form a first series branch, the first series branch is arranged in parallel with the output end of the silicon controlled rectifier,
the second capacitor, the first zener diode and the positive electrode side of the first series branch are respectively connected with the outgoing line positive electrode of the silicon controlled rectifier.
3. The multifunctional switch structure of claim 2, wherein the control circuit further comprises a fourth resistor, a fifth resistor, a tenth resistor, an eleventh resistor, a first rectifying diode, a fourth rectifying diode, a first adjustable resistor, a third capacitor, a second light emitting diode, a triode, and a relay; the 8 pins and the 12 pins of the integrated block are respectively connected with two ends of a first wire, wherein a first electric connection point is arranged between the two ends of the first wire, and the first electric connection point is connected with the positive electrode end of the third capacitor; the fourth resistor, the fifth resistor, the first rectifying diode and the first adjustable resistor are sequentially connected in series, wherein the positive electrode side of the first rectifying diode is connected with the 9 pins of the integrated block, the negative electrode side of the first rectifying diode is connected with the positive electrode end of the third capacitor, and the negative electrode end of the third capacitor is connected with the negative electrode of the second voltage stabilizing diode; one end of the eleventh resistor is connected with the 9 pin of the integrated block, the other end of the eleventh resistor is connected with the positive electrode pin of the second light-emitting diode, and the negative electrode pin of the second light-emitting diode is connected with the 7 pin of the integrated block; the tenth resistor is used for connecting the 9 pins of the integrated block with the base electrode of the triode, the collector electrode of the triode is connected with one pin in the coil of the relay, the other pin in the coil of the relay is connected with the positive electrode of the first voltage stabilizing diode, and the emitter electrode of the triode is connected with the 7 pins of the integrated block; the fourth rectifier diode is arranged in anti-parallel with the coil pin of the relay.
4. A multi-function switch structure as recited in claim 3, wherein said control circuit further comprises a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a second rectifier diode, a second adjustable resistor, a first light emitting diode; the sixth resistor, the seventh resistor, the second rectifying diode and the second adjustable resistor are sequentially connected in series, wherein the negative side of the second rectifying diode is connected with the 13 pins of the integrated block, and the positive side of the second rectifying diode is connected with the positive pin of the third capacitor; the 11 pin and the 13 pin of the integrated block are connected through an eighth resistor; one end of the ninth resistor is connected with the positive electrode end of the second voltage stabilizing diode, the other end of the ninth resistor is connected with the positive electrode pin of the first light emitting diode, and the negative electrode pin of the first light emitting diode is connected with the 9 pins of the integrated block.
5. The multifunctional switch structure of claim 4, wherein the control circuit further comprises a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a second switch, a fourth capacitor, a third rectifying diode, a fifth rectifying diode, a sixth rectifying diode, and a third light emitting diode; the 2 pins and the 6 pins of the integrated block are respectively connected with two ends of a second wire, a second electric connection point is arranged between the two ends of the second wire, the second electric connection point is connected with the positive electrode pin of the fourth capacitor, and the negative electrode pin of the fourth capacitor is connected with the negative electrode pin of the second zener diode; the fourteenth resistor, the second switch and the sixth rectifying diode are sequentially connected in series, wherein the positive electrode side of the sixth rectifying diode is connected with the 5 pin of the integrated block, and the negative electrode side of the sixth rectifying diode is connected with the positive electrode pin of the fourth capacitor; the twelfth resistor is connected with the fifth rectifying diode in series, wherein the positive electrode side of the fifth rectifying diode is connected with the positive electrode pin of the fourth capacitor, and the negative electrode side of the fifth rectifying diode is connected with the 1 pin of the integrated block; the ninth resistor and the third light-emitting diode are arranged in series to form a second series branch, one end of the second series branch is connected with the 14 pins of the integrated block, the other end of the second series branch is connected with the 5 pins of the integrated block, and the positive electrode side of the third light-emitting diode in series is connected with the 14 pins of the integrated block; the 3 pin and the 1 pin of the integrated block are connected through the thirteenth resistor; the positive electrode pin of the third rectifying diode is connected with the positive electrode pin of the third capacitor, and the negative electrode pin of the third rectifying diode is connected with the 1 pin of the integrated block.
6. An electric blanket comprising a multi-function switch structure as claimed in claim 5, further comprising a heating filament.
7. The structure of claim 6, wherein the heating wire is a strip; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch and a seventh rectifying diode; the normally open pin of the relay is connected with the high-gear live wire inlet pin of the first sliding switch, the normally open pin of the relay is connected with the low-gear live wire inlet pin of the first sliding switch through the seventh rectifier diode, the zero line of the power plug is connected with the zero line inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch is used for being connected with one end of a heating wire of the electric blanket, and the zero line outlet pin of the first sliding switch is used for being connected with the other end of the heating wire of the electric blanket.
8. The multifunctional switch structure according to claim 6, wherein the number of the heating wires is two, one of the heating wires is a high-gear heating wire, and the other heating wire is a low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, and the switching circuit comprises a first sliding switch; the normally open pin of the relay is connected with the live wire inlet pin of the first sliding switch, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the high-gear live wire outlet pin of the first sliding switch is connected with one end of the high-gear heating wire, and the common outgoing pin of the first sliding switch is connected with the other end of the high-gear heating wire; the first sliding switch low-gear live wire outgoing pin is connected with one end of the low-gear heating wire, and the first sliding switch zero wire outgoing public pin is connected with the other end of the low-gear heating wire.
9. The multifunctional switch structure according to claim 6, wherein the number of heating wires is two, and the heating wires comprise a first heating wire and a second heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch, a second sliding switch, a seventh rectifier diode and an eighth rectifier diode; the normally open pin of the relay is connected with the high-gear live wire inlet pin of the first sliding switch, the normally open pin of the relay is connected with the low-gear live wire inlet pin of the first sliding switch through the seventh rectifier diode, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch is connected with one end of a first heating wire, and the zero wire outlet pin of the first sliding switch is connected with the other end of the first heating wire; the normally open foot of relay is directly connected with second slide switch high-gear live wire inlet wire foot, the normally open foot of relay passes through eighth rectifier diode is connected with second slide switch low-gear live wire inlet wire foot, power plug's zero line is connected with second slide switch zero line inlet wire foot, second slide switch live wire outlet wire foot is connected with the one end of second heater, second slide switch zero line outlet wire foot with the other end of second heater is connected.
10. The multifunctional switch structure according to claim 6, wherein the four heating wires comprise a first high-gear heating wire, a first low-gear heating wire, a second high-gear heating wire and a second low-gear heating wire; the multifunctional switch structure further comprises a switching circuit for realizing gear adjustment, wherein the switching circuit comprises a first sliding switch and a second sliding switch; the normally open pin of the relay is connected with the live wire inlet pin of the first sliding switch, the zero wire of the power plug is connected with the zero wire inlet pin of the first sliding switch, the live wire outlet pin of the first sliding switch at a high gear is connected with one end of the heating wire at a high gear, the common pin of the zero wire outlet of the first sliding switch is connected with the other end of the heating wire at a high gear, the live wire outlet pin of the first sliding switch at a low gear is connected with one end of the heating wire at a low gear, and the common pin of the zero wire outlet of the first sliding switch is connected with the other end of the heating wire at a low gear; the normally open foot of relay with second slide switch live wire inlet wire foot is connected, power plug's zero line with second slide switch zero line inlet wire foot is connected, second slide switch high-speed live wire outlet foot with the one end of second high-speed heater is connected, the public foot of second slide switch zero line outlet wire with the other end of second high-speed heater is connected, second slide switch low-speed live wire outlet foot with the one end of second low-speed heater is connected, the public foot of second slide switch zero line outlet wire with the other end of second low-speed heater is connected.
CN202310199718.7A 2023-03-05 2023-03-05 Multifunctional switch structure and electric blanket Pending CN116209104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310199718.7A CN116209104A (en) 2023-03-05 2023-03-05 Multifunctional switch structure and electric blanket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310199718.7A CN116209104A (en) 2023-03-05 2023-03-05 Multifunctional switch structure and electric blanket

Publications (1)

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CN116209104A true CN116209104A (en) 2023-06-02

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CN202310199718.7A Pending CN116209104A (en) 2023-03-05 2023-03-05 Multifunctional switch structure and electric blanket

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CN (1) CN116209104A (en)

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