CN215956679U - Novel intelligent graphene electric heating water bed - Google Patents
Novel intelligent graphene electric heating water bed Download PDFInfo
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- CN215956679U CN215956679U CN202122020595.5U CN202122020595U CN215956679U CN 215956679 U CN215956679 U CN 215956679U CN 202122020595 U CN202122020595 U CN 202122020595U CN 215956679 U CN215956679 U CN 215956679U
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Abstract
The utility model relates to the technical field of water beds, in particular to a novel intelligent graphene electric heating water bed which comprises a water bed mattress, a heat insulation pad, a graphene electric heating film, an NTC temperature sensor and an intelligent temperature control circuit, wherein the water bed mattress is arranged on the water bed mattress; the water mattress, the graphene electrothermal film and the heat insulation pad are sequentially arranged from top to bottom; the NTC temperature sensor is arranged between the graphene electrothermal film and the heat insulation pad and used for detecting the temperature of the graphene electrothermal film; the graphene electrothermal film and the NTC temperature sensor are respectively electrically connected with the intelligent temperature control circuit. This novel intelligent graphite alkene electric heat water bed can intelligent accurate control graphite alkene electric heat membrane heating water bed pad's temperature to the security performance is high.
Description
Technical Field
The utility model relates to the technical field of water beds, in particular to a novel intelligent graphene electric heating water bed.
Background
The water bed is a mattress structure formed by filling water in the water bag, can be attached to the body curve of a human body, uniformly supports the weight of the whole body, enables the human body to be in a floating feeling, and is good in comfort.
The existing water bed structure is as the water bed mattress disclosed in Chinese patent No. CN202173085U applied by 2017, 07, 05 and 8. The mattress comprises a plurality of units, the units are arranged in parallel, the adjacent units are mutually connected, and each unit comprises an outer layer and a water absorption strip coated in the outer layer.
In the actual use process, because the temperature of water in the water bed is lower than that of a human body, a person can easily catch a cold when lying on the water bed. Based on this, design a high novel intelligent graphite alkene electric hot water bed of security.
SUMMERY OF THE UTILITY MODEL
Therefore, aiming at the problems, the utility model provides a novel intelligent graphene electric heating water bed which can intelligently adjust the temperature of a water bed mattress.
In order to achieve the purpose, the utility model adopts the following technical scheme: a novel intelligent graphene electric heating water bed comprises a water bed mattress, a heat insulation pad, a graphene electric heating film, an NTC temperature sensor and an intelligent temperature control circuit;
the water mattress, the graphene electrothermal film and the heat insulation pad are sequentially arranged from top to bottom;
the NTC temperature sensor is arranged between the graphene electrothermal film and the heat insulation pad and used for detecting the temperature of the graphene electrothermal film;
the graphene electrothermal film comprises a terminal TH1 and a terminal TH 2; the NTC temperature sensor comprises a positive terminal SN1 and a negative terminal SN 2;
the intelligent temperature control circuit comprises a main control chip U1, a chip U2, a fuse F1, a bidirectional thyristor T1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R8, a resistor R9, a resistor R17, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C10, a diode D1, a diode D2, a diode D3, a diode D4 and a zener diode ZD 1;
the main control chip U1 adopts an STC15W404AS chip; the chip U2 adopts a 78L05 chip; the capacitor C1, the capacitor C2, the capacitor C4, the capacitor C6 and the capacitor C8 are all nonpolar capacitors; the capacitor C3, the capacitor C5, the capacitor C7 and the capacitor C10 are all polar capacitors;
a first end of the fuse F1 is connected with 220V alternating current, and a second end of the fuse F1 is electrically connected with a first end of a resistor R1; the second end of the resistor R1 is electrically connected with the positive end of the diode D1 through a resistor R2, and the capacitor C1 is connected with the resistor R2 in parallel; the negative electrode end of the diode D1 is electrically connected with the Vin end of the chip U2 through a resistor R3; the first end of the capacitor C2, the positive end of the capacitor C3 and the negative end of the zener diode ZD1 are respectively and electrically connected with the Vin end of the chip U2; the first end of the capacitor C4, the positive end of the capacitor C5, the first end of the capacitor C6, the negative end of the diode D3, the first end of the resistor R4 and the VCC end of the main control chip U1 are respectively and electrically connected with the Vout end of the chip U2; the second terminal of the capacitor C2, the negative terminal of the capacitor C3, the positive terminal of the zener diode ZD1, the second terminal of C4, the negative terminal of the capacitor C5, the second terminal of the capacitor C6, and the positive terminal of the diode D2 are all grounded; the negative electrode end of the diode D2 is electrically connected with the positive electrode end of the diode D1;
a second end of the resistor R1 is electrically connected with a first end of the resistor R9 through a resistor R8, and a positive end of the diode D3, a negative end of the diode D4 and a P1.4 end of the main control chip U1 are respectively electrically connected with a second end of the resistor R9; the positive terminal of the diode D4 is grounded;
the VCC end of the main control chip U1 is electrically connected with the positive end of the capacitor C10, and the GND end of the main control chip U1 and the negative end of the capacitor C10 are both grounded;
the terminal TH1 of the graphene electrothermal film is connected with 220V alternating current, the terminal TH2 of the graphene electrothermal film is electrically connected with a first main electrode of a bidirectional thyristor, a second main electrode of the bidirectional thyristor is grounded, and a gate pole of the bidirectional thyristor is electrically connected with a P5.4 end of an STC15W404AS chip through a resistor R17;
the second end of the resistor R4, the first end of the resistor R5 and the positive end of the capacitor C7 are electrically connected with a positive end SN1 of the NTC temperature sensor respectively, the second end of the resistor R5 is grounded through a capacitor C8, the second end of the resistor R5 is also electrically connected with a P1.7 end of the STC15W404AS chip, the negative end of the capacitor C7 is grounded, and the negative end SN2 of the NTC temperature sensor is grounded.
Further, the intelligent temperature control circuit further comprises a key SW1, a key SW2, a key SW3 and a key SW 4;
the first end of the key SW1 is electrically connected with the P1.2 end of the STC15W404AS chip;
the first end of the key SW2 is electrically connected with the P1.5 end of the STC15W404AS chip;
the first end of the key SW3 is electrically connected with the P1.3 end of the STC15W404AS chip;
the first end of the key SW4 is electrically connected with the P1.6 end of the STC15W404AS chip;
the second terminal of the key SW1, the second terminal of the key SW2, the second terminal of the key SW3 and the second terminal of the key SW4 are grounded.
Furthermore, the intelligent temperature control circuit further comprises a double-bit nixie tube DS1, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor J13 and a resistor J15;
the port a of the double-bit nixie tube DS1 is electrically connected with the end P3.1 of the STC15W404AS chip through a resistor R10;
the b port of the double-bit nixie tube DS1 is electrically connected with the P3.0 end of the STC15W404AS chip through a resistor R11;
the port c of the double-bit nixie tube DS1 is electrically connected with the end P3.7 of the STC15W404AS chip through a resistor R12;
the d port of the double-bit nixie tube DS1 is electrically connected with the P3.4 end of the STC15W404AS chip through a resistor R13;
the e port of the double-bit nixie tube DS1 is electrically connected with the P3.6 end of the STC15W404AS chip through a resistor R14;
the f port of the double-bit nixie tube DS1 is electrically connected with the P3.3 end of the STC15W404AS chip through a resistor R15;
the g port of the double-bit nixie tube DS1 is electrically connected with the P3.2 end of the STC15W404AS chip through a resistor R16;
the c1 port of the double-bit nixie tube DS1 is electrically connected with the P1.1 end of the STC15W404AS chip through a resistor J15;
and the c2 port of the double-bit nixie tube DS1 is electrically connected with the P1.0 end of the STC15W404AS chip through a resistor J13.
Further, the intelligent temperature control circuit further comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a resistor R6 and a resistor R7;
the positive end of the light-emitting diode LED1, the positive end of the light-emitting diode LED2 and the positive end of the light-emitting diode LED3 are respectively electrically connected with the Vout end of the chip U2;
the negative end of the diode LED1 is electrically connected with the P3.1 end of the STC15W404AS chip;
the negative end of the diode LED2 is electrically connected with the P3.2 end of the STC15W404AS chip;
the cathode terminal of the diode LED3 is electrically connected with the P3.0 terminal of the STC15W404AS chip.
By adopting the technical scheme, the utility model has the beneficial effects that: this novel intelligence graphite alkene electric heat water bed is used for heating the water mattress through set up the graphite alkene electric heat membrane under the water mattress to be used for detecting the temperature feedback of graphite alkene electric heat membrane through NTC temperature sensor and give intelligent temperature control circuit, intelligence temperature control circuit adjusts graphite alkene electric heat membrane ohmic heating according to the temperature of NTC temperature sensor feedback in real time, makes the water mattress keep constant temperature. And the safety performance of the intelligent temperature control circuit is high.
More specifically, the intelligent temperature control circuit has the following effects:
(1) this intelligence temperature control circuit's fuse F1 has played short-circuit protection and overcurrent protection's effect, and resistance R1 plays the effect of restriction branch road current, and resistance R8 and resistance R9 are assisted with diode D3 and diode D4 clamper, and the restriction is inputed the voltage of STC15W404AS chip and can not be too high or low excessively. The resistor R2 is a discharge resistor, the capacitor C1 has the function of limiting current, the limited current can only pass through about 48mA to the maximum extent, and the diode D1 and the diode D2 are half-bridge rectification; the voltage stabilizing diode ZD1 can stabilize the voltage at 12V, and the resistor R3 is used as the voltage dividing of the voltage stabilizing diode ZD1, so that the service life of the whole voltage stabilizing branch can be effectively prolonged; the capacitor C2 and the capacitor C3 have a filtering function, and the chip U2 reduces the 12V power supply of the previous stage to the 5V power supply used by the whole control circuit. The capacitor C4, the capacitor C5 and the capacitor C6 play a role in filtering, and provide a stable and reliable 5V power supply for the whole intelligent temperature control circuit.
(2) Adopt bidirectional thyristor T1, the load (graphite alkene electric heat membrane) of nearly 1000W power of stable control, bidirectional thyristor T1 reaction rate is fast, and does not have mechanical contact, long service life.
(3) The resistor R4 is used for dividing voltage of the NTC temperature sensor, and the resistor R5 and the capacitor C8 can effectively reduce the influence and fluctuation of the STC15W404AS chip on temperature detection. The capacitor C7 is a filter capacitor and stabilizes the power supply of the NTC temperature sensor.
(4) This intelligence temperature control circuit passes through the temperature that NTC temperature sensor detected the graphite alkene electric heat membrane for control graphite alkene electric heat membrane keeps constant temperature to generate heat.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first circuit schematic of the intelligent temperature control circuit of the present invention;
FIG. 3 is a schematic diagram of a second portion of the intelligent temperature control circuit of the present invention;
FIG. 4 is a third circuit schematic of the intelligent temperature control circuit of the present invention;
fig. 5 is a fourth part of the circuit schematic diagram of the intelligent temperature control circuit of the utility model.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1, 2, 3, 4 and 5, the present embodiment provides a novel intelligent graphene electric heating water bed, which includes a water bed mattress 1, a graphene electric heating film 2, a heat insulation pad 3, an NTC temperature sensor 4 and an intelligent temperature control circuit 5. The water mattress 1, the graphene electrothermal film 2, the heat insulation pad 3 and the NTC temperature sensor 4 are all existing equipment. Preferably, the heat insulation pad is made of heat insulation sponge. The utility model does not relate to the improvement of the water mattress 1, the graphene electrothermal film 2, the heat insulation pad 3 and the NTC temperature sensor 4.
The graphene electrothermal film 2 comprises a terminal TH1 and a terminal TH 2. The NTC temperature sensor 4 includes a positive terminal SN1 and a negative terminal SN 2.
As shown in fig. 1, the water mattress 1, the graphene electrothermal film 2 and the heat insulation pad 3 are sequentially arranged from top to bottom. NTC temperature sensor 4 sets up between graphite alkene electric heat membrane 2 and heat insulating mattress 3, NTC temperature sensor 4 is used for detecting 2 temperatures of graphite alkene electric heat membrane.
Fig. 2 is a schematic diagram of a first circuit of the intelligent temperature control circuit, which includes a main control chip U1, a chip U2, a fuse F1, a triac T1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R8, a resistor R9, a resistor R17, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C10, a diode D1, a diode D2, a diode D3, a diode D4, and a zener diode ZD 1.
The main control chip U1 adopts an STC15W404AS chip; the chip U2 adopts a 78L05 chip; the capacitor C1, the capacitor C2, the capacitor C4, the capacitor C6 and the capacitor C8 are all nonpolar capacitors; and the capacitor C3, the capacitor C5, the capacitor C7 and the capacitor C10 are polar capacitors.
A first end of the fuse F1 is connected with 220V alternating current, and a second end of the fuse F1 is electrically connected with a first end of a resistor R1; the second end of the resistor R1 is electrically connected with the positive end of the diode D1 through a resistor R2, and the capacitor C1 is connected with the resistor R2 in parallel; the negative electrode end of the diode D1 is electrically connected with the Vin end of the chip U2 through a resistor R3; the first end of the capacitor C2, the positive end of the capacitor C3 and the negative end of the zener diode ZD1 are respectively and electrically connected with the Vin end of the chip U2; the first end of the capacitor C4, the positive end of the capacitor C5, the first end of the capacitor C6, the negative end of the diode D3, the first end of the resistor R4 and the VCC end of the main control chip U1 are respectively and electrically connected with the Vout end of the chip U2; the second terminal of the capacitor C2, the negative terminal of the capacitor C3, the positive terminal of the zener diode ZD1, the second terminal of C4, the negative terminal of the capacitor C5, the second terminal of the capacitor C6, and the positive terminal of the diode D2 are all grounded; the negative electrode end of the diode D2 is electrically connected with the positive electrode end of the diode D1;
a second end of the resistor R1 is electrically connected with a first end of the resistor R9 through a resistor R8, and a positive end of the diode D3, a negative end of the diode D4 and a P1.4 end of the main control chip U1 are respectively electrically connected with a second end of the resistor R9; the positive terminal of the diode D4 is grounded;
the VCC end of the main control chip U1 is electrically connected with the positive end of the capacitor C10, and the GND end of the main control chip U1 and the negative end of the capacitor C10 are both grounded;
the terminal TH1 of the graphene electrothermal film is connected with 220V alternating current, the terminal TH2 of the graphene electrothermal film is electrically connected with a first main electrode of a bidirectional thyristor, a second main electrode of the bidirectional thyristor is grounded, and a gate pole of the bidirectional thyristor is electrically connected with a P5.4 end of an STC15W404AS chip through a resistor R17;
the second end of the resistor R4, the first end of the resistor R5 and the positive end of the capacitor C7 are electrically connected with a positive end SN1 of the NTC temperature sensor respectively, the second end of the resistor R5 is grounded through a capacitor C8, the second end of the resistor R5 is also electrically connected with a P1.7 end of the STC15W404AS chip, the negative end of the capacitor C7 is grounded, and the negative end SN2 of the NTC temperature sensor is grounded.
The fuse F1 plays a role in short-circuit protection and overcurrent protection, the resistor R1 plays a role in limiting branch current, and the resistor R8 and the resistor R9 are clamped by the diode D3 and the diode D4, so that the voltage input to the STC15W404AS chip is limited not to be too high or too low. The resistor R2 is a discharge resistor, the capacitor C1 has the function of limiting current, the limited current can only pass through about 48mA to the maximum extent, and the diode D1 and the diode D2 are half-bridge rectification; the voltage stabilizing diode ZD1 can stabilize the voltage at 12V, and the resistor R3 is used as the voltage dividing of the voltage stabilizing diode ZD1, so that the service life of the whole voltage stabilizing branch can be effectively prolonged; the capacitor C2 and the capacitor C3 have a filtering function, and the chip U2 reduces the 12V power supply of the previous stage to the 5V power supply used by the whole control circuit. The capacitor C4, the capacitor C5 and the capacitor C6 play a role in filtering, and provide a stable and reliable 5V power supply for the whole intelligent temperature control circuit.
Bidirectional thyristor T1, the load (graphite alkene electric heat membrane) of nearly 1000W power of stable control, bidirectional thyristor T1 reaction rate is fast, and does not have mechanical contact, long service life.
The resistor R4 is used for dividing voltage of the NTC temperature sensor, and the resistor R5 and the capacitor C8 can effectively reduce the influence and fluctuation of the STC15W404AS chip on temperature detection. The capacitor C7 is a filter capacitor and stabilizes the power supply of the NTC temperature sensor.
FIG. 3 is a schematic diagram of a second part of the intelligent temperature control circuit, which includes a button SW1, a button SW2, a button SW3 and a button SW 4;
the first end of the key SW1 is electrically connected with the P1.2 end of the STC15W404AS chip;
the first end of the key SW2 is electrically connected with the P1.5 end of the STC15W404AS chip;
the first end of the key SW3 is electrically connected with the P1.3 end of the STC15W404AS chip;
the first end of the key SW4 is electrically connected with the P1.6 end of the STC15W404AS chip; the second terminal of the key SW1, the second terminal of the key SW2, the second terminal of the key SW3 and the second terminal of the key SW4 are grounded.
In this embodiment, the key SW1 is a switch key for controlling the intelligent temperature control circuit switch; the key SW2 is a function setting key for setting heating temperature and heating timing function; the button SW3 is used for setting the heating temperature to rise or the heating timing time to increase, and the button SW3 is used for setting the heating temperature to fall or the heating timing time to decrease.
Fig. 4 is a schematic diagram of a third circuit of the intelligent temperature control circuit, which includes a dual-bit nixie tube DS1, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor J13, and a resistor J15.
The port a of the double-bit nixie tube DS1 is electrically connected with the end P3.1 of the STC15W404AS chip through a resistor R10;
the b port of the double-bit nixie tube DS1 is electrically connected with the P3.0 end of the STC15W404AS chip through a resistor R11;
the port c of the double-bit nixie tube DS1 is electrically connected with the end P3.7 of the STC15W404AS chip through a resistor R12;
the d port of the double-bit nixie tube DS1 is electrically connected with the P3.4 end of the STC15W404AS chip through a resistor R13;
the e port of the double-bit nixie tube DS1 is electrically connected with the P3.6 end of the STC15W404AS chip through a resistor R14;
the f port of the double-bit nixie tube DS1 is electrically connected with the P3.3 end of the STC15W404AS chip through a resistor R15;
the g port of the double-bit nixie tube DS1 is electrically connected with the P3.2 end of the STC15W404AS chip through a resistor R16;
the c1 port of the double-bit nixie tube DS1 is electrically connected with the P1.1 end of the STC15W404AS chip through a resistor J15;
and the c2 port of the double-bit nixie tube DS1 is electrically connected with the P1.0 end of the STC15W404AS chip through a resistor J13.
The resistor R10, the resistor R11, the resistor R12, the resistor R13, the resistor R14, the resistor R15, the resistor R16, the resistor J13 and the resistor J15 play a role in limiting current, and the double-bit digital tube DS1 is prevented from being burnt by excessive current. The double-bit nixie tube DS1 is used for displaying the temperature of the graphene electrothermal film.
FIG. 5 is a schematic diagram of a fourth part of the intelligent temperature control circuit, which further includes a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a resistor R6 and a resistor R7;
the positive end of the light-emitting diode LED1, the positive end of the light-emitting diode LED2 and the positive end of the light-emitting diode LED3 are respectively electrically connected with the Vout end of the chip U2;
the negative end of the diode LED1 is electrically connected with the P3.1 end of the STC15W404AS chip;
the negative end of the diode LED2 is electrically connected with the P3.2 end of the STC15W404AS chip;
the cathode terminal of the diode LED3 is electrically connected with the P3.0 terminal of the STC15W404AS chip.
The resistor R6 and the resistor R7 are current-limiting resistors, and the diode LED1 and the diode LED3 are prevented from being burnt out due to overcurrent. In this embodiment, the diode LED1 is used for power indication, the diode LED2 is used for operation status indication, and the diode LED3 is used for timing indication.
This novel intelligent graphite alkene electric heat water bed passes through the temperature of intelligent temperature control circuit 5 accurate control graphite alkene electric heat membrane 2 heating water mattress 1, and the security performance is high.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a novel intelligence graphite alkene electric hot water bed, includes water bed pad, its characterized in that: the device also comprises a heat insulation pad, a graphene electrothermal film, an NTC temperature sensor and an intelligent temperature control circuit;
the water mattress, the graphene electrothermal film and the heat insulation pad are sequentially arranged from top to bottom;
the NTC temperature sensor is arranged between the graphene electrothermal film and the heat insulation pad and used for detecting the temperature of the graphene electrothermal film;
the graphene electrothermal film comprises a terminal TH1 and a terminal TH 2; the NTC temperature sensor comprises a positive terminal SN1 and a negative terminal SN 2;
the intelligent temperature control circuit comprises a main control chip U1, a chip U2, a fuse F1, a bidirectional thyristor T1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R8, a resistor R9, a resistor R17, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C10, a diode D1, a diode D2, a diode D3, a diode D4 and a zener diode ZD 1;
the main control chip U1 adopts an STC15W404AS chip; the chip U2 adopts a 78L05 chip; the capacitor C1, the capacitor C2, the capacitor C4, the capacitor C6 and the capacitor C8 are all nonpolar capacitors; the capacitor C3, the capacitor C5, the capacitor C7 and the capacitor C10 are all polar capacitors;
a first end of the fuse F1 is connected with 220V alternating current, and a second end of the fuse F1 is electrically connected with a first end of a resistor R1; the second end of the resistor R1 is electrically connected with the positive end of the diode D1 through a resistor R2, and the capacitor C1 is connected with the resistor R2 in parallel; the negative electrode end of the diode D1 is electrically connected with the Vin end of the chip U2 through a resistor R3; the first end of the capacitor C2, the positive end of the capacitor C3 and the negative end of the zener diode ZD1 are respectively and electrically connected with the Vin end of the chip U2; the first end of the capacitor C4, the positive end of the capacitor C5, the first end of the capacitor C6, the negative end of the diode D3, the first end of the resistor R4 and the VCC end of the main control chip U1 are respectively and electrically connected with the Vout end of the chip U2; the second terminal of the capacitor C2, the negative terminal of the capacitor C3, the positive terminal of the zener diode ZD1, the second terminal of C4, the negative terminal of the capacitor C5, the second terminal of the capacitor C6, and the positive terminal of the diode D2 are all grounded; the negative electrode end of the diode D2 is electrically connected with the positive electrode end of the diode D1;
a second end of the resistor R1 is electrically connected with a first end of the resistor R9 through a resistor R8, and a positive end of the diode D3, a negative end of the diode D4 and a P1.4 end of the main control chip U1 are respectively electrically connected with a second end of the resistor R9; the positive terminal of the diode D4 is grounded;
the VCC end of the main control chip U1 is electrically connected with the positive end of the capacitor C10, and the GND end of the main control chip U1 and the negative end of the capacitor C10 are both grounded;
the terminal TH1 of the graphene electrothermal film is connected with 220V alternating current, the terminal TH2 of the graphene electrothermal film is electrically connected with a first main electrode of a bidirectional thyristor, a second main electrode of the bidirectional thyristor is grounded, and a gate pole of the bidirectional thyristor is electrically connected with a P5.4 end of an STC15W404AS chip through a resistor R17;
the second end of the resistor R4, the first end of the resistor R5 and the positive end of the capacitor C7 are electrically connected with a positive end SN1 of the NTC temperature sensor respectively, the second end of the resistor R5 is grounded through a capacitor C8, the second end of the resistor R5 is also electrically connected with a P1.7 end of the STC15W404AS chip, the negative end of the capacitor C7 is grounded, and the negative end SN2 of the NTC temperature sensor is grounded.
2. The novel intelligent graphene electric hot water bed according to claim 1, characterized in that: the intelligent temperature control circuit further comprises a key SW1, a key SW2, a key SW3 and a key SW 4;
the first end of the key SW1 is electrically connected with the P1.2 end of the STC15W404AS chip;
the first end of the key SW2 is electrically connected with the P1.5 end of the STC15W404AS chip;
the first end of the key SW3 is electrically connected with the P1.3 end of the STC15W404AS chip;
the first end of the key SW4 is electrically connected with the P1.6 end of the STC15W404AS chip;
the second terminal of the key SW1, the second terminal of the key SW2, the second terminal of the key SW3 and the second terminal of the key SW4 are grounded.
3. The novel intelligent graphene electric hot water bed according to claim 2, characterized in that: the intelligent temperature control circuit further comprises a double-bit nixie tube DS1, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor J13 and a resistor J15;
the port a of the double-bit nixie tube DS1 is electrically connected with the end P3.1 of the STC15W404AS chip through a resistor R10;
the b port of the double-bit nixie tube DS1 is electrically connected with the P3.0 end of the STC15W404AS chip through a resistor R11;
the port c of the double-bit nixie tube DS1 is electrically connected with the end P3.7 of the STC15W404AS chip through a resistor R12;
the d port of the double-bit nixie tube DS1 is electrically connected with the P3.4 end of the STC15W404AS chip through a resistor R13;
the e port of the double-bit nixie tube DS1 is electrically connected with the P3.6 end of the STC15W404AS chip through a resistor R14;
the f port of the double-bit nixie tube DS1 is electrically connected with the P3.3 end of the STC15W404AS chip through a resistor R15;
the g port of the double-bit nixie tube DS1 is electrically connected with the P3.2 end of the STC15W404AS chip through a resistor R16;
the c1 port of the double-bit nixie tube DS1 is electrically connected with the P1.1 end of the STC15W404AS chip through a resistor J15;
and the c2 port of the double-bit nixie tube DS1 is electrically connected with the P1.0 end of the STC15W404AS chip through a resistor J13.
4. The novel intelligent graphene electric hot water bed according to claim 3, characterized in that: the intelligent temperature control circuit further comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a resistor R6 and a resistor R7;
the positive end of the light-emitting diode LED1, the positive end of the light-emitting diode LED2 and the positive end of the light-emitting diode LED3 are respectively electrically connected with the Vout end of the chip U2;
the negative end of the diode LED1 is electrically connected with the P3.1 end of the STC15W404AS chip;
the negative end of the diode LED2 is electrically connected with the P3.2 end of the STC15W404AS chip;
the cathode terminal of the diode LED3 is electrically connected with the P3.0 terminal of the STC15W404AS chip.
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| CN202122020595.5U CN215956679U (en) | 2021-08-25 | 2021-08-25 | Novel intelligent graphene electric heating water bed |
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