CN207543349U - Bluetooth temperature control device - Google Patents
Bluetooth temperature control device Download PDFInfo
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- CN207543349U CN207543349U CN201721645285.XU CN201721645285U CN207543349U CN 207543349 U CN207543349 U CN 207543349U CN 201721645285 U CN201721645285 U CN 201721645285U CN 207543349 U CN207543349 U CN 207543349U
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- controller
- fever tablet
- bluetooth
- control device
- temperature control
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Abstract
The utility model is related to fever tablet control fields, more particularly to a kind of bluetooth temperature control device, driving circuit is controlled to work using pwm signal, when pwm signal is high level, driving circuit is then driven fever tablet to generate heat by electricity, when pwm signal is low level, driving circuit dead electricity then stops driving, in this way, the real time temperature by acquiring fever tablet, and the duty ratio of adjustment control pwm signal accordingly, the heating process of i.e. controllable fever tablet, realize the thermostatic control of fever tablet, circuit structure is simple and convenient, at low cost；After user sets the set temperature of fever tablet on external equipment, controller is sent to bluetooth, after controller gets the set temperature by bluetooth component, the duty ratio of pwm signal is adjusted according to the collected real time temperature of temperature inductor and set temperature, the heating temp of fever tablet is made to be transformed into the set temperature that user wants, realizes that set temperature is adjustable.
Description
Technical field
The utility model is related to fever tablet control field more particularly to a kind of bluetooth temperature control devices.
Background technology
Fever tablet is specially to convert electrical energy into the sheet electric elements of thermal energy, with cheap, easy to use, peace
The characteristics such as convenient, pollution-free are filled, are widely used in various heating occasions.Since as long as fever tablet one has voltage that will heat simultaneously
Continue to build up heat, it is therefore desirable to which temperature control device controls the heating process of fever tablet, and the heating temp for making fever tablet is permanent
It is scheduled in set temperature.But in current temperature control device, the value of set temperature is often in prior write-in program, causes to use
Family can not adjust set temperature according to actual conditions in use, and user experience is bad, and temperature control device is not intelligent.
Invention content
The purpose of this utility model is to provide a kind of hardware configuration of bluetooth temperature control device, and bluetooth is programmed in software engineer
After controller in temperature control device, bluetooth temperature control device can be adjusted by the user set temperature.
In order to achieve the above objectives, the utility model is achieved through the following technical solutions：
A kind of bluetooth temperature control device is provided, for controlling the temperature of fever tablet, including driving circuit and controller, controller
Control driving circuit goes driving fever tablet to generate heat, and controller controls the driving circuit to work with pwm signal；Also
Including bluetooth component and temperature inductor, controller carries out Bluetooth communication, temperature sense by bluetooth component with external equipment
The real time temperature of device acquisition fever tablet is to controller.
Further, the fever tablet is carbon fiber heating piece, graphene fever tablet, clad metal wire fever tablet or resistance
Silk fever tablet.
Further, the temperature inductor is NTC thermistor, a termination power of thermistor, and the other end is electrically connected
It is connected to the AD ports of controller.
Further, the electric voltage observation circuit for monitoring supply voltage is further included, electric voltage observation circuit and controller
AD ports are electrically connected.
Further, regulator circuit is further included, regulator circuit takes electricity from power supply, and the voltage after voltage stabilizing is supplied control
Device.
Further, further include the LED of multiple and different colors, each LED is electrically connected with the controller respectively, controller according to
Pwm signal drives corresponding LED to shine.
Further, key switch is further included, key switch sends control signal to controller.
Further, the silica gel cavity of sealing is further included, driving circuit, controller, key switch, multiple LED are set to
In the cavity space of silica gel cavity；Component sealed silicone embedding in the silica gel cavity has water resistance.
Further, the silica gel cavity is equipped with optical transmission window, and the light of LED is projected by optical transmission window to silica gel chamber
Outside the chamber of body.
Further, the driving circuit is equipped with SC8205 chips, and the S1 feet and S2 feet of SC8205 chips are grounded, SC8205
The G1 feet and G2 feet of chip connect the PWM output terminals of controller, and the D feet of SC8205 chips are electrically connected to fever tablet.
The hardware configuration of bluetooth temperature control device provided by the utility model programs bluetooth temperature control device in software engineer
In controller after, bluetooth temperature control device has the advantages that：
Driving circuit is controlled to work using pwm signal, when pwm signal is high level, driving circuit is then driven by electricity
Dynamic fever tablet fever, when pwm signal is low level, driving circuit dead electricity then stops driving, in this way, the reality by acquiring fever tablet
Shi Wendu, and the duty ratio of pwm signal is adjusted accordingly, you can the heating process of fever tablet is controlled, realizes the constant temperature control of fever tablet
System, circuit structure is simple and convenient, at low cost；After user sets the set temperature of fever tablet on external equipment, sent out with bluetooth
Controller is given, after controller gets the set temperature by bluetooth component, according to the collected real-time temperature of temperature inductor
It spends and adjusts the duty ratio of pwm signal with set temperature, the heating temp of fever tablet is made to be transformed into the set temperature that user wants,
Realize that set temperature is adjustable.
Description of the drawings
Fig. 1 is the structure diagram of the bluetooth temperature control device of the utility model.
Fig. 2 is the system block diagram of the bluetooth temperature control device of the utility model.
Fig. 3 is the circuit diagram of driving circuit.
Fig. 4 is the circuit diagram of electric voltage observation circuit.
Fig. 5 is the circuit diagram of regulator circuit.
Fig. 6 is the diagrammatic cross-section of silica gel cavity.
Specific embodiment
The technical issues of in order to solve the utility model, technical solution and advantageous effect are more clearly understood, below
In conjunction with the embodiments and attached drawing, the present invention is further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
See Fig. 1, bluetooth temperature control device is made of unshowned control module 5 in lithium battery 1, temperature inductor 3 and Fig. 1,
Bluetooth temperature control device is used to control the heating process of graphene fever tablet 2, and lithium battery 1 is powered for bluetooth temperature control device.
See Fig. 2, controller 51, driving circuit 52, bluetooth component 53 are equipped in control module 5, controller 51 exports PWM letters
Number to driving circuit 52, driving circuit 52 to be controlled to go driving fever tablet fever.Temperature inductor acquires the real-time temperature of fever tablet
It spends to controller 51, controller 51 constantly adjusts the duty ratio of pwm signal according to the real time temperature of fever tablet, maintains fever tablet
Constant temperature.Controller 51 carries out Bluetooth communication by bluetooth component 53 with the mobile phone of user, and controller 51 is made to carry out nothing with mobile phone
Line data interaction.Specifically, the model of controller 51 is TLSR8261ET24, as the core of control module 5, for controlling
The reception and transmitting of bluetooth component 53 handle information and send out instruction.See Fig. 3, in driving circuit 52, SC8205 cores
S1 feet and S2 the feet ground connection of piece, the G1 feet and G2 feet of SC8205 chips meet the PWM output terminals of controller 51, the D of SC8205 chips
Foot is electrically connected to graphene fever tablet 2, so as to power for graphene fever tablet 2.Wherein on the G1 feet and G2 feet of SC8205 chips
It is also outer to hang with pull down resistor R30, by G1 feet and the neutral signal clamper on G2 feet into low level, avoid SC8205 chips because
Neutral signal and the phenomenon that misleads generated.
In order to simplify circuit structure, cost is reduced, temperature inductor 3 is selected into the NTC thermistor for water-proof function, is somebody's turn to do
One termination power of thermistor, the other end are electrically connected to the AD ports of controller 51.In use, the hair of graphene fever tablet 2
Hot temperature rise, the resistance decrease of thermistor make the partial pressure decreased effectiveness of thermistor, and controller 51 by monitoring AD in real time
The voltage of port can converse the real time temperature of graphene fever tablet 2.In graphene fever tablet 2 when the temperature is excessively high, it controls
Device 51 actively disconnects the control to driving circuit 52, and graphene fever tablet 2 is made to cool down.
Preferably due to which the voltage of lithium battery 1 is reduced with the reduction of its electricity, thus voltage is set in control module 5
Observation circuit 54 to monitor the voltage of lithium battery 1, and passes through on Bluetooth communication Real-time Feedback to user mobile phone, reminds user's note
Meaning electricity.See Fig. 4, in the electric voltage observation circuit 54, be serially connected with after resistance R25 series resistances R29 the output terminal of lithium battery 1 with
Between ground, the contact between AD ports the electric connection resistance R25 and resistance R29 of controller 51.Controller 51 passes through AD ports reality
When monitor voltage at this, and the supply voltage of lithium battery 1 is obtained using voltage divider principle conversion, so as to know lithium battery 1 in real time
Charge condition.Wherein, the contact between resistance R25 and resistance R29 is also grounded through capacitance C40, is interfered with filtering clutter.
It is not limited to lithium battery 1 in order to adapt to the supply voltage of various power supplys and powers, set in the prime of control module 5
Put a regulator circuit 55, regulator circuit 55 is depressed into 3.3V by the supply voltage of power supply is fixed stably, so that controller 51 uses.Tool
Body, see Fig. 5, regulator circuit 55 is made of ME6119, and the VIN feet and EN feet of ME6119 connect power supply, and the GND feet of ME6119 connect
Ground, the VOUT feet of ME6119 connect the power end of controller 51 through inductance L20, and filtered capacitance is distinguished at the both ends of wherein inductance L20
(C22, C23) is grounded.
Controller 51 is in program to the heating gear of graphene fever tablet 2 setting high temperature shelves, medium temperature shelves, three kinds of low temperature shelves
Gear accordingly, sets three LED, each LED to be electrically connected respectively with controller 51, makes 51 basis of controller in control module 5
The current heating gear (i.e. the duty ratio of present PWM signal) of graphene fever tablet 2, corresponding LED to be driven to shine.Tool
Body, if graphene fever tablet 2 works in high temperature shelves, shiny red LED；If graphene fever tablet 2 works in medium temperature shelves, bright
Blue led；If graphene fever tablet 2 works in low temperature shelves, bright green LED.Preferably, it in control module 5, is also provided with
Key switch 56, user send control signal by key switch 56 to controller 51, and controller 51 changes according to control signal
Become the duty ratio of pwm signal, to adjust the output power of driving circuit 52, so as to fulfill the heating shelves to graphene fever tablet 2
The change of position.
See Fig. 6, control module 5 is placed in silica gel shell 41, then control module 5 is encapsulated in silica gel with fluid sealant 42
41 the inside of shell, so as to form the silica gel cavity of a soft sealing, makes control module 5 reach waterproof effect.Silica gel cavity
Side wall be equipped with the through-hole that passes through of supply lines, controller 51 by pass through the electric wire in through-hole come respectively with lithium battery 1, graphite
Alkene fever tablet 2, temperature inductor 3 are electrically connected.
Silica gel shell 41 is integrally formed using translucent material, then carries out shading to silica gel shell 41 by lacquer spraying technique
Processing, then part black-out paint laser carving is fallen by laser laser carving technique, form desired light-transparent pattern.In use, LED is sent out
Light projected at light-transparent pattern.In addition, side of the silica gel cavity there are sewing, it can be with sewing machine directly silica gel cavity
It is sewn on clothes, while the light-transparent pattern of laser carving can be with laser carving into the trade mark of company.
When user will use bluetooth temperature control device, the app on its mobile phone is opened, switch option is clicked in app interfaces, this
Starting-up signal is sent to bluetooth temperature control device by Shi Shouji by bluetooth component 53, and bluetooth temperature control device is made to be switched on.Then in app
Being set in constant temperature in interface inputs desired set temperature in option, order is sent to control by app by bluetooth automatically at this time
Device (similarly hereinafter).It is collected in real time according to temperature inductor 3 after controller 51 gets the set temperature by bluetooth component 53
Temperature and set temperature adjust the duty ratio of pwm signal, and the heating temp of graphene fever tablet 2 is made to be transformed into what user wanted
Set temperature realizes that set temperature is adjustable.
In the state of the booting of bluetooth temperature control device, user can by click the gear button in app interfaces (it is high-grade,
Middle-grade, low grade) carry out the heating gear of manual switching graphene fever tablet 2；Usage time can also be inputted in app interfaces, with
Control the operating time of graphene fever tablet 2；Lighted push button can also be clicked in app interfaces, make controller unlatching/closing
LED lighting functions, in this way, user can choose whether to want the surface light emitting of silica gel shell according to itself hobby.
Bluetooth temperature control device during operation, automatically send out the supply voltage and graphene of lithium battery 1 by controller 51
The real time temperature of backing 2 is uploaded in mobile phone app, is shown by the respective interface in mobile phone app, is checked for user；Mobile phone
App collects the data such as quantity, usage time, frequency of use, the using area of bluetooth temperature control device automatically, and data are uploaded to
Background data base, for staff's statistical analysis.Background data base can also send to app through network and instruct, then controlled by app
Corresponding bluetooth temp controlled heating clothes operation is made, to realize remote control.
Certainly, user can also manipulate bluetooth temperature control device by key switch 56.Specially：Button is opened
It closes 56 long-press three seconds, bluetooth temperature control device is made to be switched on and is heated automatically into high temperature shelves, the red LED of controller control at this time
It is bright.After heating five minutes, bluetooth temperature control device automatically switches into medium temperature shelves with continuous firing, the blue led of controller control at this time
It is bright.
In bluetooth temperature control device during operation, short-press is carried out to key switch 56, it can be with manual switching gear.
Under open state, then shut down within three seconds to 56 long-press of key switch.
It should be noted that fever tablet can also be selected as carbon fiber heating piece, clad metal wire fever tablet or resistance wire
Fever tablet.
Finally it should be noted that above example is merely to illustrate the technical solution of the utility model rather than to this practicality
The limitation of novel protected range, although being explained in detail with reference to preferred embodiment to the utility model, the common skill of this field
Art personnel, which should be appreciated that, to be modified or replaced equivalently the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme.
Claims (10)
1. bluetooth temperature control device, for controlling the temperature of fever tablet, including driving circuit and controller, controller control driving electricity
Road goes driving fever tablet to generate heat, it is characterised in that：
Controller controls the driving circuit to work with pwm signal；
Bluetooth component and temperature inductor are further included, controller carries out Bluetooth communication, temperature by bluetooth component with external equipment
The real time temperature of inductor acquisition fever tablet is spent to controller.
2. bluetooth temperature control device according to claim 1, it is characterised in that：The fever tablet is carbon fiber heating piece, stone
Black alkene fever tablet, clad metal wire fever tablet or resistance wire fever tablet.
3. bluetooth temperature control device according to claim 1, it is characterised in that：The temperature inductor is NTC thermistor,
One termination power of thermistor, the other end are electrically connected to the AD ports of controller.
4. bluetooth temperature control device according to claim 1, it is characterised in that：Further include the voltage for monitoring supply voltage
Observation circuit, electric voltage observation circuit are electrically connected with the AD ports of controller.
5. bluetooth temperature control device according to claim 1, it is characterised in that：Further include regulator circuit, regulator circuit is from electricity
Take electricity in source, and by the voltage supply controller after voltage stabilizing.
6. according to claim 1-5 any one of them bluetooth temperature control devices, it is characterised in that：Further include multiple and different colors
LED, each LED are electrically connected with the controller respectively, and controller drives corresponding LED to shine according to pwm signal.
7. bluetooth temperature control device according to claim 6, it is characterised in that：Further include key switch, key switch is to control
Device processed sends control signal.
8. bluetooth temperature control device according to claim 7, it is characterised in that：Further include the silica gel cavity of sealing, driving electricity
Road, controller, key switch, multiple LED are all placed in the cavity space of silica gel cavity.
9. bluetooth temperature control device according to claim 8, it is characterised in that：The silica gel cavity is equipped with optical transmission window,
The light of LED is projected by optical transmission window to outside the chamber of silica gel cavity.
10. according to claim 1-5 any one of them bluetooth temperature control devices, it is characterised in that：The driving circuit is equipped with
SC8205 chips, S1 feet and S2 the feet ground connection of SC8205 chips, the G1 feet and G2 feet of SC8205 chips connect the PWM outputs of controller
End, the D feet of SC8205 chips are electrically connected to fever tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645285.XU CN207543349U (en) | 2017-11-30 | 2017-11-30 | Bluetooth temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721645285.XU CN207543349U (en) | 2017-11-30 | 2017-11-30 | Bluetooth temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207543349U true CN207543349U (en) | 2018-06-26 |
Family
ID=62616170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721645285.XU Active CN207543349U (en) | 2017-11-30 | 2017-11-30 | Bluetooth temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207543349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056934A1 (en) * | 2018-09-20 | 2020-03-26 | 珠海格力电器股份有限公司 | Control circuit, temperature controller, device, and method and apparatus for adjusting display color |
-
2017
- 2017-11-30 CN CN201721645285.XU patent/CN207543349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056934A1 (en) * | 2018-09-20 | 2020-03-26 | 珠海格力电器股份有限公司 | Control circuit, temperature controller, device, and method and apparatus for adjusting display color |
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