CN208420200U - A kind of SCM Based electronic thermometer - Google Patents
A kind of SCM Based electronic thermometer Download PDFInfo
- Publication number
- CN208420200U CN208420200U CN201821227228.4U CN201821227228U CN208420200U CN 208420200 U CN208420200 U CN 208420200U CN 201821227228 U CN201821227228 U CN 201821227228U CN 208420200 U CN208420200 U CN 208420200U
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- China
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- pin
- time
- circuit
- chip microcontroller
- temperature probe
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Abstract
The utility model relates to a kind of SCM Based electronic thermometers, belong to electronic thermometer technical field.Including temperature probe and for by the data real-time display of temperature probe and the control unit that controls thermometric process；The control unit includes display screen and the telemetry circuit for receiving and handling temperature probe data；The telemetry circuit includes the single-chip microcontroller 89C52 as chip, temperature display circuit, time display circuit, time-controllable circuit and reset circuit.The utility model is cooperated based on single-chip microcontroller with temperature probe and four LED charactrons, easily can detect simultaneously real-time perfoming digital-scroll technique to the body temperature of human body, the electronic thermometer is provided with time-controllable circuit and time display circuit, the instruction of thermometric time can be carried out for user, provide guarantee for accurate measurement body temperature.The cost of the utility model production easy to process and processing and fabricating is low, and property easy to use is good, good combination property.
Description
Technical field
The utility model relates to a kind of SCM Based electronic thermometers, belong to electronic thermometer technical field.
Background technique
Clinical thermometer is the medical instruments measured for the body temperature to human body, and existing clinical thermometer is by common mercury body
Temperature meter and electronic thermometer.Only there is usual electronic thermometer temperature to measure display function, inconvenient to use.
Summary of the invention
The purpose of the utility model is to provide a kind of SCM Based electronic thermometers.
To achieve the goals above, the technical solution adopted in the utility model is:
A kind of SCM Based electronic thermometer, including temperature probe and for showing the data of temperature probe in real time
The control unit for showing and thermometric process being controlled；The control unit includes display screen and for receiving and handling temperature probe
The telemetry circuit of data；The telemetry circuit includes single-chip microcontroller 89C52, temperature display circuit, the time showing electricity as chip
Road, time-controllable circuit and reset circuit；Temperature display circuit includes four LED charactrons L1, four LED numbers
The pin a of pipe L1, pin b, pin c, pin d, pin e, pin f, pin g, pin the DP successively pipe with single-chip microcontroller 89C52
Foot 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, pin 32 connect；The pipe of four LED charactrons L1
Foot 1, pin 2, pin 3, pin 4 are successively connect with the pin 25 of single-chip microcontroller 89C52, pin 26, pin 27, pin 28；Thermometric
The output pin of probe is connect with the pin 21 of single-chip microcontroller 89C52；Time display circuit includes two LED charactrons L2,
The pin a of two LED charactrons L2, pin b, pin c, pin d, pin e, pin f, pin g, pin DP successively with monolithic
Pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, the pin 32 of machine 89C52 connects；Two LED
Pin 1, the pin 2 of charactron L2 is connect with the pin 23 of single-chip microcontroller 89C52, pin 24 respectively；Time-controllable circuit includes same
Connect with 89C52 for increase the time key S1 and reduce the time key S2, key S1, S2 respectively with single-chip microcontroller
Pin 14, the pin 15 of 89C52 connects, the other end ground connection of key S1, S2；Reset circuit includes another termination of a termination power
The reset key S6 on ground, reset key S6 are also connect with the pin of 89,C52 9.
Technical solutions of the utility model further improvement lies in that: the chip of temperature probe be DS18B20, the 1 of DS18B20
Foot is 21,2 foot of the pin connection ground that output pin connects 89C52 by communication line, and 3 feet connect power supply.
Technical solutions of the utility model further improvement lies in that: the length of communication line be 30cm~40cm.
By adopting the above-described technical solution, the technical effect that the utility model obtains has:
The utility model is cooperated based on single-chip microcontroller with temperature probe and four LED charactrons, can be easily right
The body temperature of human body detect and real-time perfoming digital-scroll technique, is convenient for observing.
The electronic thermometer of the utility model is provided with time-controllable circuit and time display circuit, can for user into
The instruction of row thermometric time provides guarantee for accurate measurement body temperature.
The temperature probe of the utility model is connect by communication line with single-chip microcontroller 89C52, thus convenient for users to can be right
The different locations such as oxter or head carry out thermometric.
Detailed description of the invention
Fig. 1 is the utility model telemetry circuit schematic diagram；
Fig. 2 is utility model diagram；
Wherein, 1, temperature probe, 2, control unit.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the utility model:
The utility model discloses a kind of SCM Based electronic thermometers, can measure to the body temperature of human body,
It is used particularly suitable for family, here is specific embodiment:
SCM Based electronic thermometer in the utility model is as shown in Figure 1 and Figure 2 matched based on single-chip microcontroller
It closes with temperature probe and display portion.The electronic thermometer includes temperature probe 1 and for the data of temperature probe are real-time
Show and to the control unit 2 that thermometric process is controlled, as shown in Figure 2.The control unit of the utility model include display screen and
For receiving and handling the telemetry circuit of the data of temperature probe.Telemetry circuit is integrated on pcb board and the PCB plate is arranged
In control unit 2.The telemetry circuit of the electronic thermometer uses single-chip microcontroller 89C52 as chip.As shown in Figure 1, the electricity
The telemetry circuit of sub- clinical thermometer includes the single-chip microcontroller 89C52 as chip, temperature display circuit, time display circuit, time tune
Control circuit and reset circuit.
Temperature display circuit in the utility model is suitable for showing the temperature of test, specifically includes four LED
Temperature is accurate to one decimal place, therefore select four LED numbers to guarantee the accurate reliability of measurement by charactron L1
Code pipe.The pin a of temperature display circuit including four LED charactrons a L1, four LED charactrons L1, pin b, pin c,
Pin d, pin e, pin f, pin g, pin DP successively with the pin 39 of single-chip microcontroller 89C52, pin 38, pin 37, pin
36, pin 35, pin 34, pin 33, pin 32 connect；The pin 1 of four LED charactrons L1, pin 2, pin 3, pin 4 according to
It is secondary to be connect with the pin 25 of single-chip microcontroller 89C52, pin 26, pin 27, pin 28；Four LED charactrons are in certain shapes
On insulating materials, using the light emitting diode combined of different shape click and sweep, it is arranged in the charactron of " 8 " font, draws it respectively
Electrode, light corresponding click and sweep to show the number and decimal point of 0-9.
The chip of the utility model temperature probe is DS18B20, and 1 foot of DS18B20 is that output pin is connected by communication line
21,2 foot of the pin connection ground of single-chip microcontroller 89C52 is connect, 3 feet connect power supply.The temperature real-time delivery that temperature probe can will measure
Single-chip microcontroller 89C52 is given, after treatment by above-mentioned temperature display circuit real-time display.
The utility model is also provided with time display circuit, this is used to user and provides time instruction, Ke Yixian
Show thermometric duration, is usually indicated by minute.Time display circuit includes two LED charactrons L2, and two
The pin a of position LED charactrons L2, pin b, pin c, pin d, pin e, pin f, pin g, pin DP successively with single-chip microcontroller
Pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, the pin 32 of 89C52 connects；Two LED numbers
Pin 1, the pin 2 of code pipe L2 is connect with the pin 23 of single-chip microcontroller 89C52, pin 24 respectively；Time display circuit is to push down meter
When time shown.User can according to need before use regulates and controls the time by time-controllable circuit, when then making
Between carry out countdown, for user carry out thermometric instruction.
The utility model further includes time-controllable circuit, for regulating and controlling the time shown in time display circuit.Specifically
Include with the key S1 being connect with 89C52 for increasing the time and reducing the key S2 of time, key S1, S2 respectively with
Pin 14, the pin 15 of single-chip microcontroller 89C52 connects, the other end ground connection of key S1, S2；Can be increased by key S1 and S2 or
Reduce the maximum time that time display circuit is shown.For example, maximum time 3min, 4min of time display circuit can be made
Or 5min.
The utility model further includes reset circuit, as the term suggests lead to for resetting the time of the electronic thermometer
Often resetted after using preceding or use.The reset circuit includes the reset key S6 of termination power other end ground connection,
Reset key S6 is also connect with the pin of 89,C52 9.
The utility model is connected in specific implement, by temperature probe 1 by the pin 21 of communication line and single-chip microcontroller 89C52
It connects.Common, the length of communication line is 30cm~40cm, thus convenient for users to can be to different locations such as oxter or heads
Carry out thermometric.As shown in Figure 2.The structure of the electronic thermometer from the appearance is illustrated that in Fig. 2, temperature probe 1 can be random
Communication line is moved through to connect with the single-chip microcontroller 89C52 of the telemetry circuit in control unit 2.
The utility model is cooperated based on single-chip microcontroller with temperature probe and four LED charactrons, can be easily right
The body temperature of human body detect and real-time perfoming digital-scroll technique, which is provided with time-controllable circuit and time showing
Circuit can carry out the instruction of thermometric time for user, provide guarantee for accurate measurement body temperature.
The cost of the utility model production easy to process and processing and fabricating is low, and property easy to use is good, good combination property.
Claims (3)
1. a kind of SCM Based electronic thermometer, it is characterised in that: including temperature probe and for by temperature probe
Data real-time display and the control unit that thermometric process is controlled；The control unit includes display screen and for receiving and locating
Manage the telemetry circuit of temperature probe data；The telemetry circuit include the single-chip microcontroller 89C52 as chip, temperature display circuit,
Time display circuit, time-controllable circuit and reset circuit；Temperature display circuit includes four LED charactrons L1, described
The pin a of four LED charactrons L1, pin b, pin c, pin d, pin e, pin f, pin g, pin DP successively with monolithic
Pin 39, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, the pin 32 of machine 89C52 connects；Four LED
The pin 1 of charactron L1, pin 2, pin 3, pin 4 successively with the pin 25 of single-chip microcontroller 89C52, pin 26, pin 27, pin
28 connections；The output pin of temperature probe is connect with the pin 21 of single-chip microcontroller 89C52；Time display circuit includes one two
Pin a, pin b, pin c, pin d, pin e, pin f, pin g, the pin DP of LED charactrons L2, two LED charactrons L2
Successively with the pin 39 of single-chip microcontroller 89C52, pin 38, pin 37, pin 36, pin 35, pin 34, pin 33, pin 32
Connection；Pin 1, the pin 2 of two LED charactrons L2 is connect with the pin 23 of single-chip microcontroller 89C52, pin 24 respectively；Time tune
Control circuit includes with the key S1 and the key S2 of reduction time for increasing the time connecting with 89C52, and key S1, S2 divide
It is not connect with the pin 14 of single-chip microcontroller 89C52, pin 15, the other end ground connection of key S1, S2；Reset circuit includes a termination electricity
The reset key S6 of source other end ground connection, reset key S6 are also connect with the pin of 89,C52 9.
2. a kind of SCM Based electronic thermometer according to claim 1, it is characterised in that: the chip of temperature probe
For DS18B20,1 foot of DS18B20 is 21,2 foot of the pin connection ground that output pin connects 89C52 by communication line, the connection of 3 feet
Power supply.
3. a kind of SCM Based electronic thermometer according to claim 2, it is characterised in that: the length of communication line is
30cm~40cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227228.4U CN208420200U (en) | 2018-08-01 | 2018-08-01 | A kind of SCM Based electronic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227228.4U CN208420200U (en) | 2018-08-01 | 2018-08-01 | A kind of SCM Based electronic thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420200U true CN208420200U (en) | 2019-01-22 |
Family
ID=65124163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821227228.4U Expired - Fee Related CN208420200U (en) | 2018-08-01 | 2018-08-01 | A kind of SCM Based electronic thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420200U (en) |
-
2018
- 2018-08-01 CN CN201821227228.4U patent/CN208420200U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190122 Termination date: 20190801 |