CN206489466U - A kind of bluetooth supervisory circuit of gas-cooker - Google Patents
A kind of bluetooth supervisory circuit of gas-cooker Download PDFInfo
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- CN206489466U CN206489466U CN201720017049.7U CN201720017049U CN206489466U CN 206489466 U CN206489466 U CN 206489466U CN 201720017049 U CN201720017049 U CN 201720017049U CN 206489466 U CN206489466 U CN 206489466U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000000052 comparative effect Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000001012 protector Effects 0.000 claims abstract description 5
- 101150042711 adc2 gene Proteins 0.000 claims description 13
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 claims description 12
- 101150102866 adc1 gene Proteins 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 101100162020 Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) adc3 gene Proteins 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000010411 cooking Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
A kind of bluetooth supervisory circuit for gas-cooker that the utility model is provided, including power subsystem, LDO units, temperature detecting unit and control unit, power subsystem are used to provide electric current of voltage regulation to LDO units and control unit；LDO units are used to provide reference voltage to temperature detecting unit；Temperature detecting unit is used to produce the induced voltage for temperature according to the temperature of gas-cooker; and be compared with reference voltage; and comparative result is changed into data signal; the integrated Bluetooth transmission module of control unit; signal voltage comparison unit to be exported carries out logical process; and produce overheat protector signal when temperature is higher than threshold value; the utility model can monitor gas-cooker temperature in real time and send alarm signal; it is the service of user's intelligent residence with mobile device with the use of can flexibly calculate cooking time and temperature.
Description
Technical field
The utility model is related to household electrical appliance technical field, and in particular to a kind of bluetooth supervisory circuit of gas-cooker.
Background technology
As the improvement of people's living standards, the gradually attention with people to quality of the life, has higher to kitchen
Demand, gas-cooker becomes focus of concern again as the pith of cooking apparatus.The gas-cooker of prior art its
Operation needs operator's itself monitor to ensure cooking time and its security by manually operating during cooked food.
Therefore, along with the development of intellectual technology, embedded technology, intelligent residence concept is incorporated into gas-cooker and implements central, is led to
It is urgent problem to be solved to cross mobile terminal device monitoring gas-cooker behaviour in service.
The content of the invention
To solve the above-mentioned problems in the prior art, the bluetooth monitoring of the present utility model for being to provide a kind of gas-cooker
Circuit can send monitoring temperature and alarm signal by bluetooth.
In order to achieve the above object, specific solution of the present utility model provides a kind of bluetooth monitoring electricity of gas-cooker
Road, including：Power subsystem, LDO units, temperature detecting unit and control unit；
Power subsystem, to provide electric current of voltage regulation to LDO units and control unit；
LDO units, to provide reference voltage to temperature detecting unit；
Temperature detecting unit, to produce the induced voltage for temperature, and and reference voltage according to the temperature of gas-cooker
It is compared, and comparative result is changed into data signal；
Control unit, integrated Bluetooth transmission module, the signal voltage comparison unit to be exported carries out logical process, and
Overheat protector signal is produced when temperature is higher than threshold value.
Further, the power subsystem includes voltage stabilizing chip, and the voltage stabilizing chip uses KF8166 chips, its Vin end
It is connected after being connected with the VBAT ends of LDO units with electric capacity C5 input, after the vdd terminal connection of Vout ends and control unit
It is connected with electric capacity C6 input, VSS ends are grounded after being connected respectively with electric capacity C5 and electric capacity C6 output end.
Further, the LDO units include nmos pass transistor Q1, on-off circuit, D/A converting circuit ADC1, wherein
It is connected after the supply voltage at nmos pass transistor Q1 source electrode input VBAT ends with on-off circuit, nmos pass transistor Q1 grid and number
It is connected after analog conversion circuit ADC1 connections with the reference voltage output terminal V_OP of temperature detecting unit, nmos pass transistor Q1 drain electrode
It is connected after series connection with resistance R5 with temperature detecting unit.
Further, the on-off circuit also includes courage electric capacity C2, Schottky diode D1, power supply contact pin J+ and power supply
Contact pin J-, wherein input of the source electrode of the nmos pass transistor Q1 respectively with courage electric capacity C2 and Schottky diode D1 is connected,
The output end of the Schottky diode D1 is connected with power supply contact pin J+, and the power supply contact pin J- and courage electric capacity C2 output end connects
It is grounded after connecing.
Further, the D/A converting circuit ADC1 also includes electric capacity C1, resistance R4, resistance R9, resistance R8 and electricity
Input of appearance C3, the nmos pass transistor Q1 grid respectively with electric capacity C1 and resistance R4 is connected, the output of the resistance R4
The input respectively with resistance R8 and electric capacity C3 is held to be connected, the output end of the resistance R8 and electric capacity C3 output end and electric capacity
It is grounded after C1 output end connection.
Further, the temperature detecting unit includes temperature sensor P1, the first operational amplifier U1A, the second fortune
Amplifier U1B, digital-to-analogue conversion circuit ADC2 are calculated, the first operational amplifier U1A access LDO unit output V_OP ends are used as ginseng
Voltage is examined, temperature sensor P1 is connected with the first operational amplifier U1A normal phase input end and negative-phase input, first fortune
The output end for calculating amplifier U1A is connected with the second operational amplifier U1B normal phase input end, the second operational amplifier U1B
Negative-phase input connect resistance R1 and resistance R2 input, the output head grounding of the resistance R1, the resistance R2 respectively
Output end be connected with resistance R3 input, the output end of the resistance R3 and the second operational amplifier U1B output end with
Digital-to-analogue conversion circuit ADC2 is connected.
Further, the digital-to-analogue conversion circuit ADC2 includes electric capacity C4 and resistance R9, the electric capacity C4 and resistance R9
Output end of the input respectively with the second operational amplifier U1B be connected, the electric capacity C4 is mutually connected with resistance R9 output end
It is grounded after connecing.
Further, described control unit uses DM8266 chips, and its SDA pin is connected with the resistance R5 of LDO units
The drain electrode with nmos pass transistor Q1 is connected afterwards, and SCL pins and winding R10 are connected D/A converting circuit ADC3 after connecting, and PWM2 draws
Pin is connected with digital-to-analog circuit ADC1, and TX pins are connected with digital-to-analog circuit ADC2, and RX pins are connected with digital-to-analog circuit ADC3.
Further, the D/A converting circuit ADC3 includes resistance R11 and electric capacity C7, the resistance R11 and electric capacity
C7 input is connected with winding R10, and the output end of the resistance R11 and electric capacity C7 are grounded after being connected with each other.
The utility model compared with the existing technology, with advantages below and beneficial effect：
A kind of bluetooth supervisory circuit for gas-cooker that the utility model is provided, including the inspection of power subsystem, LDO units, temperature
Unit and control unit are surveyed, power subsystem is used to provide electric current of voltage regulation to LDO units and control unit；LDO units are used to temperature
Spend detection unit and reference voltage is provided；Temperature detecting unit is used to produce the induced electricity for temperature according to the temperature of gas-cooker
Pressure, and is compared with reference voltage, and comparative result changed into data signal, the integrated Bluetooth transmission module of control unit,
Signal voltage comparison unit to be exported carries out logical process, and produces overheat protector signal when temperature is higher than threshold value,
The utility model can monitor gas-cooker temperature in real time and send alarm signal, use cooperatively flexibly to calculate with mobile device and cook
Prepare food time and temperature, be the service of user's intelligent residence.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the system architecture diagram of the utility model preferred embodiment；
Fig. 2 is the circuit diagram of the utility model power subsystem；
Fig. 3 is the circuit diagram of the utility model LDO units；
Fig. 4 is the circuit diagram of the utility model temperature detecting unit；
Fig. 5 is the circuit diagram of the utility model control unit.
The control unit 4 of 1 LDO units of power subsystem, 2 temperature detecting unit 3
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As a preferred embodiment, a kind of bluetooth supervisory circuit of gas-cooker as shown in Figure 1, including：Power supply list
Member 1, LDO units 2, temperature detecting unit 3 and control unit 4.Wherein, power subsystem 1 is used to LDO units 2 and control unit 4
Electric current of voltage regulation is provided；LDO units 2 are used to provide reference voltage to temperature detecting unit 3；Temperature detecting unit 3 is used to according to combustion
The temperature of gas kitchen produces the induced voltage for temperature, and is compared with reference voltage, and comparative result is changed into numeral
Signal, the integrated Bluetooth transmission module of control unit 4, to the signal progress logical process for exporting voltage comparison unit, and
Temperature produces overheat protector signal when being higher than threshold value.
As shown in Fig. 2 power subsystem 1 includes voltage stabilizing chip, voltage stabilizing chip uses KF8166 chips, and its Vin end and LDO are mono-
Member 2 VBAT ends connection after be connected with electric capacity C5 input, Vout ends be connected with the vdd terminal of control unit 4 after with electricity
Hold C6 input connection, VSS ends are grounded after being connected respectively with electric capacity C5 and electric capacity C6 output end.
As shown in figure 3, LDO units 2 include nmos pass transistor Q1, on-off circuit, wherein D/A converting circuit ADC1, NMOS
It is connected after the supply voltage at transistor Q1 source electrode input VBAT ends with on-off circuit, nmos pass transistor Q1 grid and digital-to-analogue turn
Change after circuit ADC1 connections and to be connected with the reference voltage output terminal V_OP of temperature detecting unit 3, nmos pass transistor Q1 drain electrode with
It is connected after resistance R5 series connection with temperature detecting unit 3.
It is preferred that, on-off circuit also includes courage electric capacity C2, Schottky diode D1, power supply contact pin J+ and power supply contact pin J-,
Wherein input of the nmos pass transistor Q1 source electrode respectively with courage electric capacity C2 and Schottky diode D1 is connected, Schottky diode
D1 output end is connected with power supply contact pin J+, and power supply contact pin J- is grounded after being connected with courage electric capacity C2 output end.
It is preferred that, D/A converting circuit ADC1 also includes electric capacity C1, resistance R4, resistance R9, resistance R8 and electric capacity C3, NMOS
Input of the transistor Q1 grid respectively with electric capacity C1 and resistance R4 is connected, resistance R4 output end respectively with respectively with resistance
After R8 and electric capacity C3 input connection, resistance R8 output end and electric capacity C3 output end and the connection of electric capacity C1 output end
Ground connection.
As shown in figure 4, temperature detecting unit 3 is put including temperature sensor P1, the first operational amplifier U1A, the second computing
Big device U1B, digital-to-analogue conversion circuit ADC2, the first operational amplifier U1A access LDO unit 2 exports V_OP ends as the reference voltage,
Temperature sensor P1 is connected with the first operational amplifier U1A normal phase input end and negative-phase input, the first operational amplifier U1A
Output end be connected with the second operational amplifier U1B normal phase input end, the second operational amplifier U1B negative-phase input difference
Connect resistance R1 and resistance R2 input, resistance R1 output head grounding, resistance R2 output end and resistance R3 input
Connection, resistance R3 output end is connected with the second operational amplifier U1B output end with digital-to-analogue conversion circuit ADC2.
It is preferred that, the input that digital-to-analogue conversion circuit ADC2 includes electric capacity C4 and resistance R9, electric capacity C4 and resistance R9 is distinguished
It is connected with the second operational amplifier U1B output end, electric capacity C4 and resistance R9 output end are grounded after interconnecting.
The operation principle of temperature detecting unit 3 is, the voltage that the first operational amplifier U1A exports temperature sensor P1 with
The reference voltage that LDO units 2 are exported is compared, and electricity is converted by digital-to-analogue after the second operational amplifier U2A amplification
Output control unit 4 carries out logical operation after road ADC2 processing.
As shown in figure 5, control unit 4 use DM8266 chips, its SDA pin be connected with the resistance R5 of LDO units 2 after and
Nmos pass transistor Q1 drain electrode connection, be connected after SCL pins and winding R10 series connection D/A converting circuit ADC3, PWM2 pin and
Digital-to-analog circuit ADC1 connections, TX pins are connected with digital-to-analog circuit ADC2, and RX pins are connected with digital-to-analog circuit ADC3.
It is preferred that, D/A converting circuit ADC3 including resistance R11 and electric capacity C7, resistance R11 and electric capacity C7 input with
Winding R10 connections, resistance R11 and electric capacity C7 output end are grounded after being connected with each other.
Claims (9)
1. a kind of bluetooth supervisory circuit of gas-cooker, it is characterised in that including：Power subsystem, LDO units, temperature detecting unit
And control unit；
Power subsystem, to provide electric current of voltage regulation to LDO units and control unit；
LDO units, to provide reference voltage to temperature detecting unit；
Temperature detecting unit, is carried out to produce the induced voltage for temperature according to the temperature of gas-cooker, and with reference voltage
Compare, and comparative result is changed into data signal；
Control unit, integrated Bluetooth transmission module, the signal voltage comparison unit to be exported carries out logical process, and in temperature
Degree produces overheat protector signal when being higher than threshold value.
2. the bluetooth supervisory circuit of a kind of gas-cooker as claimed in claim 1, it is characterised in that the power subsystem includes steady
Press chip, the voltage stabilizing chip use KF8166 chips, its Vin end be connected with the VBAT ends of LDO units after with electric capacity C5's
Input is connected, and is connected after the vdd terminal connection of Vout ends and control unit with electric capacity C6 input, VSS ends respectively with electricity
It is grounded after the output end connection for holding C5 and electric capacity C6.
3. the bluetooth supervisory circuit of a kind of gas-cooker as claimed in claim 2, it is characterised in that the LDO units include
The power supply at nmos pass transistor Q1, on-off circuit, D/A converting circuit ADC1, wherein nmos pass transistor Q1 source electrode input VBAT ends
Be connected after voltage with on-off circuit, nmos pass transistor Q1 grid be connected with D/A converting circuit ADC1 after with temperature detecting unit
Reference voltage output terminal V_OP connections, connect with temperature detecting unit after the connecting of nmos pass transistor Q1 drain electrode and resistance R5
Connect.
4. the bluetooth supervisory circuit of a kind of gas-cooker as claimed in claim 3, it is characterised in that the on-off circuit also includes
Courage electric capacity C2, Schottky diode D1, power supply contact pin J+ and power supply contact pin J-, wherein the source electrode difference of the nmos pass transistor Q1
It is connected with courage electric capacity C2 and Schottky diode D1 input, output end and the power supply contact pin J+ of the Schottky diode D1
Connection, the power supply contact pin J- is grounded after being connected with courage electric capacity C2 output end.
5. a kind of bluetooth supervisory circuit of gas-cooker as claimed in claim 4, it is characterised in that the D/A converting circuit
ADC1 also includes electric capacity C1, resistance R4, resistance R9, resistance R8 and electric capacity C3, nmos pass transistor Q1 grid respectively with electricity
Hold C1 and resistance R4 input connection, the output end of the resistance R4 respectively with input respectively with resistance R8 and electric capacity C3
It is grounded after end connection, the output end of the resistance R8 and electric capacity C3 output end and the connection of electric capacity C1 output end.
6. a kind of bluetooth supervisory circuit of gas-cooker as claimed in claim 5, it is characterised in that the temperature detecting unit bag
Include temperature sensor P1, the first operational amplifier U1A, the second operational amplifier U1B, digital-to-analogue conversion circuit ADC2, described first
Operational amplifier U1A access LDO units export V_OP ends as the reference voltage, temperature sensor P1 and the first operational amplifier
U1A normal phase input end and negative-phase input connection, output end and the second operational amplifier of the first operational amplifier U1A
U1B normal phase input end connection, the negative-phase input of the second operational amplifier U1B connects resistance R1's and resistance R2 respectively
Input, the output head grounding of the resistance R1, the output end of the resistance R2 is connected with resistance R3 input, the resistance
R3 output end is connected with the second operational amplifier U1B output end with digital-to-analogue conversion circuit ADC2.
7. a kind of bluetooth supervisory circuit of gas-cooker as claimed in claim 6, it is characterised in that the digital-to-analogue conversion circuit
ADC2 includes electric capacity C4 and resistance R9, and the input of the electric capacity C4 and resistance R9 are defeated with the second operational amplifier U1B respectively
Go out end connection, the output end of the electric capacity C4 and resistance R9 are grounded after interconnecting.
8. the bluetooth supervisory circuit of a kind of gas-cooker as claimed in claim 7, it is characterised in that described control unit is used
DM8266 chips, its SDA pin is connected after being connected with the resistance R5 of LDO units with nmos pass transistor Q1 drain electrode, SCL pins with
Connection D/A converting circuit ADC3, PWM2 pin is connected with digital-to-analog circuit ADC1 after winding R10 series connection, TX pins and digital-to-analog circuit
ADC2 connections, RX pins are connected with digital-to-analog circuit ADC3.
9. a kind of bluetooth supervisory circuit of gas-cooker as claimed in claim 8, it is characterised in that the D/A converting circuit
ADC3 includes resistance R11 and electric capacity C7, and the input of the resistance R11 and electric capacity C7 are connected with winding R10, the resistance R11
It is grounded after being connected with each other with electric capacity C7 output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017049.7U CN206489466U (en) | 2017-01-06 | 2017-01-06 | A kind of bluetooth supervisory circuit of gas-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017049.7U CN206489466U (en) | 2017-01-06 | 2017-01-06 | A kind of bluetooth supervisory circuit of gas-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206489466U true CN206489466U (en) | 2017-09-12 |
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ID=59770680
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017049.7U Expired - Fee Related CN206489466U (en) | 2017-01-06 | 2017-01-06 | A kind of bluetooth supervisory circuit of gas-cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206489466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345518A (en) * | 2019-07-08 | 2019-10-18 | 广东年代集成厨电有限公司 | A kind of bluetooth monitoring gas-cooker warning device |
-
2017
- 2017-01-06 CN CN201720017049.7U patent/CN206489466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345518A (en) * | 2019-07-08 | 2019-10-18 | 广东年代集成厨电有限公司 | A kind of bluetooth monitoring gas-cooker warning device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |