CN206133332U - Multiple spot temperature control system based on singlechip - Google Patents
Multiple spot temperature control system based on singlechip Download PDFInfo
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- CN206133332U CN206133332U CN201621148303.9U CN201621148303U CN206133332U CN 206133332 U CN206133332 U CN 206133332U CN 201621148303 U CN201621148303 U CN 201621148303U CN 206133332 U CN206133332 U CN 206133332U
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Abstract
The utility model relates to a multiple spot temperature control field, more specifically relates to a multiple spot temperature control system based on singlechip. Multiple spot temperature control system based on singlechip temperature sensor is connecting AD conversion unit, AD conversion unit is connecting control module, control module is being connected to the clock module, infrared temperature sensors is connecting adc, adc is connecting control module, power module is connecting control module, control module's input is being connected to the output of keying in, the input of display module is being connected to control module's output, interface circuit's input is being connected to control module's output, communication module's input is being connected to control module's output. The utility model relates to a multiple spot temperature control system based on singlechip, its simple structure can realize showing two kinds of temperature measurement of contact and non -contact the temperature value that detects in real time, perhaps conveys away through wired, wireless mode.
Description
Technical field
This utility model relates generally to a kind of multi-spots temperature control field, more particularly, it relates to a kind of be based on single-chip microcomputer
Multipoint temperature control system.
Background technology
Temperature is a kind of most basic ambient parameter, and the measurement and control in industrial or agricultural and daily life to temperature has
Significance.General temperature survey is measured by the way of single, needs to select in the occasion of different measurement temperatures
Different instruments are measured, and many measuring methods are assembled on a survey tool, can be with convenient use person without the need for changing
Instrument, carries out the measurement under various occasions.
Utility model content
This utility model mainly solving the technical problems that provide a kind of SCM Based Multipoint temperature control system, its
Simple structure, it is possible to achieve contact and two kinds of contactless temperature surveys, the temperature value for detecting is shown in real time, or
By it is wired, wirelessly send out.
To solve above-mentioned technical problem, a kind of SCM Based Multipoint temperature control system of this utility model includes temperature
Sensor, AD conversion unit, clock module, infrared temperature sensor, analog-digital converter, power module, control module, button
Input, display module, interface circuit, communication module, its simple structure, it is possible to achieve contact and two kinds of contactless temperature
Measurement, the temperature value for detecting is shown in real time, or by it is wired, wirelessly send out.
Wherein, the outfan of the temperature sensor is connected to the input of AD conversion unit；The analog digital conversion list
The outfan of unit is connected to the input of control module；The outfan of the clock module is connected to the input of control module；
The outfan of the infrared temperature sensor is connected to the input of analog-digital converter；The outfan connection of the analog-digital converter
The input of control module；The outfan of the power module is connected to the input of control module；The key-press input
Outfan is connected to the input of control module；The outfan of the control module is connected to the input of display module；It is described
The outfan of control module is connected to the input of interface circuit；The outfan of the control module is connected to the defeated of communication module
Enter end.
Further optimize as of the present utility model, a kind of SCM Based Multipoint temperature control system of this utility model
The control module adopts AT89C51 single-chip microcomputers.
Further optimize as of the present utility model, a kind of SCM Based Multipoint temperature control system of this utility model
The temperature sensor adopts critesistor.
Further optimize as of the present utility model, a kind of SCM Based Multipoint temperature control system of this utility model
The infrared temperature sensor adopts infrared thermopile sensor.
Further optimize as of the present utility model, a kind of SCM Based Multipoint temperature control system of this utility model
The AD conversion unit adopts ADC0809 modulus conversion chips.
Further optimize as of the present utility model, a kind of SCM Based Multipoint temperature control system of this utility model
The clock module adopts DS1302 clock chips.
Control effect：A kind of SCM Based Multipoint temperature control system of this utility model, its simple structure, Ke Yishi
Existing contact and two kinds of contactless temperature surveys, the temperature value for detecting is shown in real time, or by wired, wireless
Mode sends out.
Description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of hardware structure diagram of SCM Based Multipoint temperature control system of this utility model.
Fig. 2 is a kind of circuit theory of the control module of SCM Based Multipoint temperature control system of this utility model
Figure.
Fig. 3 is a kind of temperature sensor schematic diagram of SCM Based Multipoint temperature control system of this utility model.
Fig. 4 is former for a kind of infrared temperature sensor circuit of SCM Based Multipoint temperature control system of this utility model
Reason figure.
Fig. 5 is a kind of clock module circuit theory diagrams of SCM Based Multipoint temperature control system of this utility model.
Fig. 6 is a kind of power module schematic diagram of SCM Based Multipoint temperature control system of this utility model.
Fig. 7 is a kind of interface circuit schematic diagram of SCM Based Multipoint temperature control system of this utility model.
Fig. 8 is a kind of communication module schematic diagram of SCM Based Multipoint temperature control system of this utility model.
Fig. 9 is a kind of display module schematic diagram of SCM Based Multipoint temperature control system of this utility model.
Specific embodiment
Specific embodiment one：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, one kind described in present embodiment is SCM Based
Multipoint temperature control system includes temperature sensor, AD conversion unit, clock module, infrared temperature sensor, analog digital conversion
Device, power module, control module, key-press input, display module, interface circuit, communication module, its simple structure, it is possible to achieve
Contact and two kinds of contactless temperature surveys, the temperature value for detecting is shown in real time, or by wired, wireless side
Formula sends out.
Wherein, the outfan of the temperature sensor is connected to the input of AD conversion unit, and temperature sensor is used for
The measurement temperature value of contact, temperature sensor adopt photoconductive resistance, can realize multipoint temperature measuring using photoconductive resistance, temperature
The temperature signal of degree sensor acquisition is sent to AD conversion unit by IN0, IN1 oral instructions.
The outfan of the AD conversion unit is connected to the input of control module, and AD conversion unit is for by temperature
The temperature value that sensor is detected carries out analog digital conversion, and AD conversion unit is converted to temperature signal by next analogue signal is transmitted
It is connected with control module by P1 mouths.
The outfan of the clock module is connected to the input of control module, and clock module is used to provide for control system
Standard time, clock module are led to using the clock module that clock chip provides time signal, clock chip and peripheral circuit composition
Cross P0.3 mouths to be connected with control module.
The outfan of the infrared temperature sensor is connected to the input of analog-digital converter, and infrared temperature sensor is used for
Contactless measurement temperature, infrared temperature sensor adopt special chip, are sent to the analogue signal of detection by AIM mouths
Analog-digital converter.
The outfan of the analog-digital converter is connected to the input of control module, and analog-digital converter is for by infrared temperature
The temperature value that sensor is detected carries out analog digital conversion, and the digital signal after conversion is sent to control by P3 oral instructions by analog-digital converter
Molding block.
The outfan of the power module is connected to the input of control module, and power module is for carrying out for control system
Power supply, makes system complete temperature detection, and power module is powered to control module after high-tension electricity is carried out blood pressure lowering process, power supply
Module is connected by VCC mouths with control module.
The outfan of the key-press input is connected to the input of control module, and key-press input is used to be manually entered control letter
Number, control the mode of temperature acquisition, key-press input adopted one key, is connected with pull-up resistor, and one end is grounded, one section respectively with
P0.0, P0.1, P0.2 mouth is connected.
The outfan of the control module is connected to the input of display module, and display module is used for display in real time and collects
Temperature value, display module carries out the display of temperature value using seven segment digital tubes, and display module passes through P2 mouth phases with control module
Connection.
The outfan of the control module is connected to the input of interface circuit, and interface circuit is for by the temperature for detecting
Signal is sent to host computer by the way of wired by interface, and interface circuit adopts USB interface, passes through P0.5 with control module
Mouth is connected.
The outfan of the control module is connected to the input of communication module, and communication module is used for using wirelessly
Temperature signal is sent out, communication module is connected by P0.6, P0.7 mouth with control module.
Specific embodiment two：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, the control module adopts AT89C51 single-chip microcomputers.
The AT89C51 single-chip microcomputers have the step-by-step operation system of complete set from its internal hardware to software, and ram in slice is interval also
The address section of a dual-use function opened especially, 16 bytes, element address 20H～2FH, it can both make at byte
Reason, can also make position process.The setting and use of the I/O feet of 51 single-chip microcomputers is very simple, when the foot makees input pin to be used, need only
The foot is set to into high level (during reset, each I/O mouths put high electricity).When the foot makees output pin to be used, then for high level or
Low level.
Specific embodiment three：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, the temperature sensor adopts critesistor.Temperature-sensitive
Resistor is a class of sensing element, is divided into positive temperature coefficient thermistor and negative temperature coefficient heat according to temperature coefficient difference
Sensitive resistor.The typical feature of thermal resistor is that different resistance values are shown at temperature sensitive, different temperature.Positive temperature
Degree coefficient thermal resistor resistance value when temperature is higher is bigger, negative temperature coefficient thermistor resistance value when temperature is higher
Lower, they belong to semiconductor device.Critesistor is cheap, can constitute measuring circuit using multiple critesistor,
Realize multimetering.
Specific embodiment four：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, the infrared temperature sensor adopts infrared thermoelectricity
Heap sensor.Infrared thermopile sensor is used for non-contact type temperature measurement, and measuring principle is practicality based on the miniature of silicon technology
Machinery measures infra-red radiation.The intrinsic unidirectional current coupling characteristic of device, it is not necessary to which mechanical chopper can be grasped
Make.
Specific embodiment five：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, the AD conversion unit adopts DAC0809 moduluses
Conversion chip.ADC0809 is CMOS monolithic type successive approximation type a/d converters, and internal structure is as illustrated, it is simulated by 8 tunnels
Switch, address latch and decoder, comparator, 8 bit switch tree-shaped A/D converters, successive approximation register, logic control and fixed
When circuit composition.
Specific embodiment six：
Present embodiment is illustrated with reference to Fig. 1,2,3,4,5,6,7,8,9, the clock module adopts DS1203 clock chips.
DS1302 be DALLAS companies of the U.S. release a kind of high-performance, low-power consumption, the real time clock circuit with RAM, it can to year,
The moon, day, week, when, minute, second carry out timing, with leap year compensation function, running voltage is 2.0V～5.5V.Using three-wire interface
Synchronize with CPU and communicate, and burst mode can be adopted once to transmit the clock signal or RAM data of multiple bytes.DS1302
[1] the application in the real-time display time.It can to year, month, day, week, when, minute, second carries out timing, and mends with the leap year
The several functions such as repay.
A kind of operation principle of SCM Based Multipoint temperature control system of this utility model is：This utility model is a kind of
SCM Based Multipoint temperature control system measurement temperature, temperature value of measurement by way of temperature sensor is using contact
Through AD conversion unit converts analog signals into digital signal, and the signal after conversion is sent to control module, clock module
Standard time, infrared temperature sensor measurement temperature by the way of contactless, by the temperature value of detection through modulus are provided
Conversion is sent to control module, and for powering for control module, control module receives time signal, temperature value to power module, defeated
Go out to control display module to be shown in real time, it is also possible to pass the temperature value for collecting by interface circuit by the way of wired
It is sent to host computer or wirelessly data is sent out by communication module.Key-press input is right for being manually entered
The control signal of multi-point Temperature Acquisition System.
Although this utility model is disclosed as above with preferred embodiment, which is not limited to this utility model, appoints
What person skilled in the art, in without departing from spirit and scope of the present utility model, can do various changes and modification, therefore
Protection domain of the present utility model should be by being defined that claims are defined.
Claims (6)
1. a kind of SCM Based Multipoint temperature control system, it is characterised in that the SCM Based multi-point temp control
System processed includes temperature sensor, AD conversion unit, clock module, infrared temperature sensor, analog-digital converter, power supply mould
Block, control module, key-press input, display module, interface circuit, communication module, the outfan of the temperature sensor are connected to
The input of AD conversion unit；The outfan of the AD conversion unit is connected to the input of control module；The clock
The outfan of module is connected to the input of control module；The outfan of the infrared temperature sensor is connected to analog-digital converter
Input；The outfan of the analog-digital converter is connected to the input of control module；The outfan of the power module connects
Then the input of control module；The outfan of the key-press input is connected to the input of control module；The control module
Outfan be connected to the input of display module；The outfan of the control module is connected to the input of interface circuit；Institute
The outfan for stating control module is connected to the input of communication module.
2. a kind of SCM Based Multipoint temperature control system according to claim 1, it is characterised in that：The control
Module adopts AT89C51 single-chip microcomputers.
3. a kind of SCM Based Multipoint temperature control system according to claim 1, it is characterised in that：The temperature
Sensor adopts critesistor.
4. a kind of SCM Based Multipoint temperature control system according to claim 1, it is characterised in that：It is described infrared
Temperature sensor adopts infrared thermopile sensor.
5. a kind of SCM Based Multipoint temperature control system according to claim 1, it is characterised in that：The modulus
Converting unit adopts ADC0809 modulus conversion chips.
6. a kind of SCM Based Multipoint temperature control system according to claim 1, it is characterised in that：The clock
Module adopts DS1302 clock chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621148303.9U CN206133332U (en) | 2016-10-17 | 2016-10-17 | Multiple spot temperature control system based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621148303.9U CN206133332U (en) | 2016-10-17 | 2016-10-17 | Multiple spot temperature control system based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206133332U true CN206133332U (en) | 2017-04-26 |
Family
ID=58576518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621148303.9U Expired - Fee Related CN206133332U (en) | 2016-10-17 | 2016-10-17 | Multiple spot temperature control system based on singlechip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206133332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132104A (en) * | 2018-01-30 | 2018-06-08 | 辽宁奥美科技有限公司 | A kind of clinical thermometer |
| CN110926624A (en) * | 2019-10-29 | 2020-03-27 | 南宁学院 | Multipoint temperature detection circuit based on single chip microcomputer |
-
2016
- 2016-10-17 CN CN201621148303.9U patent/CN206133332U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132104A (en) * | 2018-01-30 | 2018-06-08 | 辽宁奥美科技有限公司 | A kind of clinical thermometer |
| CN110926624A (en) * | 2019-10-29 | 2020-03-27 | 南宁学院 | Multipoint temperature detection circuit based on single chip microcomputer |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20171017 |