CN207439567U - Intelligent temperature acquisition system - Google Patents
Intelligent temperature acquisition system Download PDFInfo
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- CN207439567U CN207439567U CN201721557312.8U CN201721557312U CN207439567U CN 207439567 U CN207439567 U CN 207439567U CN 201721557312 U CN201721557312 U CN 201721557312U CN 207439567 U CN207439567 U CN 207439567U
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Abstract
Intelligent temperature acquisition system disclosed in the utility model, including Signal-regulated kinase, microcontroller, radio receiving transmitting module, temperature collecting module, memory, buzzing alarm module, touch-screen and mobile handheld terminal, the thermistor of temperature collecting module is connected with amplification circuit module, the A/D modular converters of Signal-regulated kinase are connected with microcontroller, microcontroller is also connected with radio receiving transmitting module, memory, buzzing alarm module and touch-screen respectively, and radio receiving transmitting module is connected with the radio receiving transmitting module in mobile handheld terminal.Its structure measurement result is accurate, independent process during measurement, storage and long-range the gathered temperature data of display, management can be checked by mobile electronic device by reaching the administrative staff with supervision permission, it need not keep and carry out long-time detection temperature in fixed location, promote intelligence degree, need not expend flow only can data transmission, intelligent height is at low cost.
Description
Technical field
The utility model is related to a kind of technical fields of real-time monitoring temperature system, especially intelligent temperature acquisition system.
Background technology
Temperature is one of important procedure parameter.In industrial and agricultural production, national defence and scientific research and testing field, temperature detection essence
Degree has the quality of process control important influence.One group of temperature data is obtained in traditional thermometry, it is common that manually
It records once per the compartment time using thermometer or remote control is carried out using data acquisition equipment, these technical solutions are all
There are the deficiencies that temperature data acquisition is artificial or equipment cost is higher.As computer technology and automatic technology rapidly develop,
Occur the temperature data collecting system using different types of temperature sensor as probe, typical temperature sensing on relevant market
Device generally uses thermocouple, platinum resistance or thermistor.At present, most widely used temperature sensor is thermocouple, thermocouple
It is a kind of conductor that circuit is bonded by two kinds of different metal weldings, is usually made of rare metals such as platinum, rhodiums, when two kinds of differences
Metallic conductor junction temperature difference when, electromotive force will be generated in the loop, which passes through display instrument or dress
There is the computer of data acquisition device using the voltage-temperature table of comparisons or according to the relation formula of voltage-temperature by voltage value
Temperature value is converted into show.However, since the material of thermocouple is generally relatively valuable, and temperature measuring point to instrument distance all
Farther out, in order to save thermocouple material and reduce cost, generally use compensating wire extends the cold end (free end) of thermocouple
In the control room more stable to temperature, it is connected on instrument terminal or is differed using other methods compensation cold junction temperature
To the influence of thermometric when zero, therefore, the measurement result accuracy of temperature data collecting system is affected, and stability is poor, and
Cost is higher.
Utility model content
The purpose of this utility model be in order to solve the deficiency of above-mentioned technology and design a kind of raising temperature acquisition monitoring
As a result it is accurate, reliable and stable, the low intelligent temperature acquisition system of use cost.
Intelligent temperature acquisition system designed by the utility model, including Signal-regulated kinase, microcontroller, wireless receiving and dispatching mould
Block, temperature collecting module, memory, buzzing alarm module, touch-screen and mobile handheld terminal, temperature collecting module include temperature-sensitive
Resistance, divider resistance one and divider resistance two, resistance one, resistance two, capacitance, electrolytic capacitor, triode and master controller, it is described
One termination power of thermistor, the other end connect the ADC input ports of master controller by resistance two, and pass through resistance two and connect capacitance
One end, capacitance other end ground connection, the other end of thermistor also connects the anode of electrolytic capacitor, the cathode and partial pressure of electrolytic capacitor
One end ground connection of resistance one, the anode of another termination electrolytic capacitor of divider resistance one also connect triode by divider resistance two
Collector, the emitter ground connection of triode, the base stage of triode connects the PWM port of master controller by resistance one；Signal tune
Manage module include amplification circuit module, filter circuit module and A/D modular converters, filter circuit module respectively with amplifying circuit mould
Block is connected with A/D modular converters；Thermistor is connected with amplification circuit module, and A/D modular converters are connected with microcontroller, microcontroller
Also it is connected respectively with radio receiving transmitting module, memory, buzzing alarm module and touch-screen, radio receiving transmitting module is whole with ambulatory handheld
Radio receiving transmitting module in end is connected.
The administrative staff that said structure has supervision permission can check management by mobile electronic device, without keeping in fixation
Place is detected the purpose of temperature, and cost of implementation is low, powerful to the processing function of temperature data, and data are shown reliably,
It is cost-effective, it is highly practical；And the overall structure of above-mentioned temperature collecting module has been expanded and has stablized accurately temperature display relatively
Scope, circuit structure is simple, and feasibility is high, and production cost is low.
Further preferably, further include that network mode of operation or unit operating mode is selected to carry out the self-locking of temperature acquisition
Switch module, and self-lock switch module is connected with microcontroller.The self-lock switch module of its structure is surveyed under unit operating mode
The temperature data obtained is stored in memory；Under network mode of operation, measured temperature data is stored in ambulatory handheld end
In the memory module at end, mobile handheld terminal is mobile PCs.It is achieved thereby that data can be stored at any time, prevent with moving hand
Hold after terminal disconnects also can horse back storage temperature data, it is simple in structure, it is practical reliable, improve performance.
Further preferably, Fingerprint Identification Unit is further included, and Fingerprint Identification Unit is connected with microcontroller.Fingerprint Identification Unit is used to read
Print, and fingerprint signal is generated, fingerprint signal is compared with default fingerprint contrast signal with microcontroller, it is consistent
When, the parameter signal in memory is exported by data transmission interface；Its structure realizes the people without fixed duties for preventing no permission
Etc. checking confidentiality temperature data, intelligence degree is promoted.
Further preferably, triode uses NPN type triode.
Further preferably, microcontroller uses STC12C5A32AD microcontrollers.
Further preferably, memory uses eeprom memory.
Further preferably, thermistor uses NTC thermistor.NTC thermistor is easily installed, stability is good.
Further preferably, radio receiving transmitting module is made of Bluetooth chip and WIFI chips.Its structure causes data transmission
It can be reliable.
Intelligent temperature acquisition system designed by the utility model, measurement result are accurate；And pass through Signal-regulated kinase
The temperature that thermistor measures object under test is gathered, independent process stores and remotely shows gathered temperature data, reaches tool
The administrative staff for having supervision permission can check management by mobile electronic device, and long-time detection is carried out in fixed location without keeping
Temperature when administrative staff are near computer room, can also receive parameter signal by the bluetooth of mobile electronic device, be flowed without expending
Amount only can data transmission, intelligent height, and whole system collecting temperature is at low cost.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the electrical block diagram of the temperature collecting module of embodiment 1.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art's all other embodiments obtained all belong to
In the scope of the utility model protection.
Embodiment 1：
As shown in Figure 1, the described intelligent temperature acquisition system of the present embodiment, including Signal-regulated kinase 2, microcontroller 3,
Radio receiving transmitting module 7, temperature collecting module 1, memory 5, buzzing alarm module 6, touch-screen 4 and mobile handheld terminal 8；
Temperature collecting module 1 includes two RJ2 of thermistor RT1, one RJ4 of divider resistance and divider resistance, one R3 of resistance, electricity
Hinder two R7, capacitance C4, electrolytic capacitor EC1, triode Q4 and master controller MCU1, mono- termination powers of thermistor RT1, separately
One end connects the ADC input ports of master controller MCU1 by two R7 of resistance, and passes through one end that two R7 of resistance meets capacitance C4, capacitance
The C4 other ends are grounded, and the other end of thermistor RT1 also connects the anode of electrolytic capacitor EC1, the cathode and partial pressure of electrolytic capacitor EC1
One end ground connection of one RJ4 of resistance, the anode of another termination electrolytic capacitor EC1 of one RJ4 of divider resistance also pass through divider resistance two
RJ2 connects the collector of triode Q2, the emitter ground connection of triode Q2, and the base stage of triode Q2 connects main control by one R3 of resistance
The PWM port of device MCU1, one RJ4 of divider resistance may be selected by the appropriate resistance value being suitable in the relatively low section of temperature, partial pressure electricity
Two RJ2 selections are hindered for the appropriate resistance value in the higher section of temperature.In addition connection mode as shown in Figure 2, passes through master controller
MCU1 controls the PWM square waves of different duty, so as to fulfill the really resistance value with the equivalent resistance of thermistor partial pressure is changed.This
Sample can be realized when necessary by selecting the PWM value of control and output to the PWM port of MCU1, to peripheral electricity
The resistance value of the equivalent resistance of Lu Zhongyu thermistors series connection partial pressure changes to realize the amendment to the sampling of different temperatures silicon carbide,
So as to improve the accuracy of temperature sampling, while the scope of temperature display is also widened, feasibility is high, at low cost；
Signal-regulated kinase 2 includes amplification circuit module 21, filter circuit module 22 and A/D modular converters 23, filtered electrical
Road module 22 is connected respectively with amplification circuit module 21 and A/D modular converters 23；Thermistor RT1 and 21 phase of amplification circuit module
Even, A/D modular converters 23 are connected with microcontroller 3, and microcontroller 3 is also alarmed mould with radio receiving transmitting module 7, memory 5, buzzing respectively
Block 6 is connected with touch-screen 4, and radio receiving transmitting module 7 is connected with the radio receiving transmitting module in mobile handheld terminal 8.
Wherein, one R3 of resistance, two R7 of resistance are the resistance for current limliting, and capacitance C4 is non-polar ceramic disc capacitor, is passed through
The pulse signal of the PWM port output of master controller MCU1 corrects the accurate of temperature acquisition to change the resistance value of divider resistance
Property, which flexible adjustment, it is easy to accomplish；When said structure works, carried out using the thermistor RT1 of temperature collecting module 1
The temperature signal of object under test is gathered, the thermistor RT1 to temperature collecting module 1 is then carried out using Signal-regulated kinase 2
The signal that is gathered is delivered to after carrying out data conversion in microcontroller 3, microcontroller 3 will be transmitted to after data processing touch-screen 4, with
And be transmitted in mobile handheld terminal 8 and shown by radio receiving transmitting module 8, buzzing alarm mould after data are more than setting value
Block 6 is alarmed automatically；Management can be checked by mobile electronic device so as to fulfill the administrative staff with supervision permission, without
The purpose that temperature is detected in fixed location is kept, and cost of implementation is low, and powerful to the processing function of temperature data, data are shown
Show reliably, it is cost-effective, it is highly practical；And above-mentioned temperature collecting module has been expanded and has stablized accurately temperature display model relatively
It encloses, circuit structure is simple, and feasibility is high, and production cost is low.
In the present embodiment, further include that network mode of operation or unit operating mode is selected to carry out the self-locking of temperature acquisition
Switch module 9, and self-lock switch module is connected with microcontroller.The self-lock switch module of its structure is under unit operating mode, institute
The temperature data measured is stored in memory and shows and operated in setting on touch-screen 4；Under network mode of operation, surveyed
The temperature data obtained is stored in the memory 5 of mobile handheld terminal and the display of temperature data, mobile handheld terminal 8 are
Mobile PCs.It is achieved thereby that can store at any time and display data, can also be deposited at once after being disconnected with mobile handheld terminal 8
Storage and displays temperature data, it is simple in structure, it is practical reliable, improve performance.
In the present embodiment, Fingerprint Identification Unit 10 is further included, and Fingerprint Identification Unit 10 is connected with microcontroller 3.Fingerprint Identification Unit
For reading fingerprint, and fingerprint signal is generated, fingerprint signal is compared with default fingerprint contrast signal with microcontroller 3,
When consistent, the parameter signal in memory is exported by data transmission interface；Fingerprint recognition can ensure data security, only
There are the personnel authorized that can read, it is safe, it prevents people without fixed duties of no permission etc. from checking confidentiality temperature data, is promoted
Intelligence degree.
In the present embodiment, triode Q4 uses NPN type triode.
In the present embodiment, microcontroller 3 uses STC12C5A32AD microcontrollers.STC12C5A32A microcontrollers are high speed, low work(
Consumption, 8051 microcontroller of a new generation of strong anti-interference, instruction code completely compatible traditional 8051, but fast 8-12 times of speed.It is internal
Integrated MAX810 Special reset circuits, 2 road PWM, 8 road 10-bit high speed A/D conversion (250K/S, i.e. 250,000 times/second), and have
EEPROM functions and I/O mouthfuls can be set to four kinds of patterns, and the inside includes recommending/strong pull-up, only input/high resistant, open-drain, standard by force
Bidirectional interface/weak pull-up.
In the present embodiment, memory 5 uses eeprom memory.
In the present embodiment, thermistor RT1 uses NTC thermistor.NTC thermistor is with metals such as manganese, cobalt, nickel and copper
Oxide is main material, is fabricated using ceramic process, these oxides all have semiconductor property.In electrically conducting manner
Upper similar germanium, silicon semiconductor material, when temperature is low, the carrier number of these oxide materials is few, so resistance value is higher, with
The rise of temperature, the number of carrier increases, so resistance value reduces, i.e., resistance value is inversely proportional with temperature, and temperature gets over high value
It is lower.Its temperature-measuring range is generally -10~+300 DEG C or accomplishes -200~10 DEG C, notably can be used for+300~+1200 DEG C of rings
It is used as thermometric, temperature-sensitive time at least below 10S in border.The Standard resistance range of NTC thermistor at room temperature at 100~1M ohm,
Temperature coefficient 2%~6.5%.Therefore, NTC thermistor has the characteristics of accuracy is high, and stability is good, and is easily installed.
In the present embodiment, radio receiving transmitting module is made of Bluetooth chip and WIFI chips.Its structure causes data transmission
It can be reliable.
The utility model is not limited to above-mentioned preferred forms, anyone can draw under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is every that there is same as the present application or phase
Approximate technical solution, all falls within the scope of protection of the utility model.
Claims (8)
1. a kind of intelligent temperature acquisition system, including Signal-regulated kinase, microcontroller, radio receiving transmitting module, temperature collecting module,
Memory, buzzing alarm module, touch-screen and mobile handheld terminal, it is characterised in that：
Temperature collecting module includes thermistor, divider resistance one and divider resistance two, resistance one, resistance two, capacitance, electrolysis electricity
Appearance, triode and master controller, one termination power of thermistor, the ADC that the other end connects master controller by resistance two are defeated
Inbound port, and pass through one end that resistance two connects capacitance, capacitance other end ground connection, the other end of thermistor also connects electrolytic capacitor
Anode, the cathode of electrolytic capacitor and one end ground connection of divider resistance one, the anode of another termination electrolytic capacitor of divider resistance one,
The collector of triode, the emitter ground connection of triode are also connect by divider resistance two, the base stage of triode is connect by resistance one
The PWM port of master controller；
Signal-regulated kinase include amplification circuit module, filter circuit module and A/D modular converters, filter circuit module respectively with
Amplification circuit module is connected with A/D modular converters；
Thermistor is connected with amplification circuit module, and A/D modular converters are connected with microcontroller, microcontroller also respectively with wireless receiving and dispatching
Module, memory, buzzing alarm module are connected with touch-screen, radio receiving transmitting module and the wireless receiving and dispatching mould in mobile handheld terminal
Block is connected.
2. intelligent temperature acquisition system according to claim 1, it is characterised in that：It further includes to select network Working mould
Formula or unit operating mode carry out the self-lock switch module of temperature acquisition, and self-lock switch module is connected with microcontroller.
3. intelligent temperature acquisition system according to claim 1, it is characterised in that：Further include Fingerprint Identification Unit, and fingerprint
Identifier is connected with microcontroller.
4. intelligent temperature acquisition system according to claim 1, it is characterised in that：Triode uses NPN type triode.
5. intelligent temperature acquisition system according to claim 1 or 2, it is characterised in that：Microcontroller uses
STC12C5A32AD microcontrollers.
6. intelligent temperature acquisition system according to claim 1, it is characterised in that：Memory uses eeprom memory.
7. intelligent temperature acquisition system according to claim 1, it is characterised in that：Thermistor uses NTC thermistor.
8. intelligent temperature acquisition system according to claim 1, it is characterised in that：Radio receiving transmitting module by Bluetooth chip and
WIFI chips form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557312.8U CN207439567U (en) | 2017-11-20 | 2017-11-20 | Intelligent temperature acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721557312.8U CN207439567U (en) | 2017-11-20 | 2017-11-20 | Intelligent temperature acquisition system |
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| Publication Number | Publication Date |
|---|---|
| CN207439567U true CN207439567U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721557312.8U Expired - Fee Related CN207439567U (en) | 2017-11-20 | 2017-11-20 | Intelligent temperature acquisition system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547022A (en) * | 2018-10-31 | 2019-03-29 | 杭州领乘信息技术有限公司 | A kind of acquisition range is wide and temperature collection circuit with high accuracy and method |
| CN111896132A (en) * | 2020-09-18 | 2020-11-06 | 北京雨根科技有限公司 | Bluetooth temperature measurement sensor |
| CN113273967A (en) * | 2021-05-20 | 2021-08-20 | 贵州优品睡眠健康产业有限公司 | Sleep sign monitoring system |
-
2017
- 2017-11-20 CN CN201721557312.8U patent/CN207439567U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109547022A (en) * | 2018-10-31 | 2019-03-29 | 杭州领乘信息技术有限公司 | A kind of acquisition range is wide and temperature collection circuit with high accuracy and method |
| CN111896132A (en) * | 2020-09-18 | 2020-11-06 | 北京雨根科技有限公司 | Bluetooth temperature measurement sensor |
| CN113273967A (en) * | 2021-05-20 | 2021-08-20 | 贵州优品睡眠健康产业有限公司 | Sleep sign monitoring system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20181120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |