CN206400373U - A kind of animal organ tests temperature control system - Google Patents
A kind of animal organ tests temperature control system Download PDFInfo
- Publication number
- CN206400373U CN206400373U CN201720036185.0U CN201720036185U CN206400373U CN 206400373 U CN206400373 U CN 206400373U CN 201720036185 U CN201720036185 U CN 201720036185U CN 206400373 U CN206400373 U CN 206400373U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- animal organ
- module
- control system
- temperature control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates generally to animal organ's experiment field, it is related to a kind of animal organ's experiment temperature control system, it is simple in construction, pass through button design temperature, warning reminding is carried out when temperature is too high automatically, it during system exception, can be run by button emergency stop system, detection of power loss is carried out in system work, prevent data power down from losing, in animal organ's experimentation, fountain solution can be increased by button, it must be humidity to ensure animal organ with corresponding fountain solution.The clock module of animal organ's experiment temperature control system, key-press module, the output end of power module are connected to the input of single-chip microcomputer, heating temperature measurement circuit is connected to single-chip microcomputer, the output end of single-chip microcomputer is connected to power-fail detection circuit, display module, valve driving circuit, the input for indicating warning circuit, and host computer is connected to host computer by communication interface.
Description
Technical field
The utility model relates generally to animal organ's experiment field, and temperature is tested more specifically to a kind of animal organ
Control system.
Background technology
In medical science, the research of biology, it is often necessary to animal organ is carried out to observe or test for a long time, this is not
Only to make animal organ's cell stays viable state, also need to maintain animal organ's cell eubolism, temperature control for
Animal organ's experiment is extremely important, will have a great impact if temperature setting is improper to experiment, therefore it provides a kind of animal
Organ tests temperature control system, and not only experimental temperature is controlled, it can also be ensured that the humidity of animal organ and to abnormal temperature
Alarmed.
Utility model content
The utility model tests temperature control system mainly solving the technical problems that providing a kind of animal organ, simple in construction,
By button design temperature, warning reminding is carried out automatically when temperature is too high, during system exception, button emergent stopping system can be passed through
System operation, carries out detection of power loss in system work, prevents data power down from losing, in animal organ's experimentation, can pass through
Button increases fountain solution, and it must be humidity to ensure animal organ with corresponding fountain solution.
In order to solve the above technical problems, a kind of animal organ's experiment temperature control system of the utility model includes single-chip microcomputer, clock
Module, power module, power-fail detection circuit, heating temperature measurement circuit, key-press module, display module, valve driving circuit, instruction report
Alert circuit, communication interface, host computer, it is simple in construction, by button design temperature, warning reminding is carried out automatically when temperature is too high,
It during system exception, can be run by button emergency stop system, carry out detection of power loss in system work, prevent data power down from losing
Lose, in animal organ's experimentation, fountain solution can be increased by button, animal organ is ensured one with corresponding fountain solution
Surely it is humidity.
Wherein, the output end of the clock module is connected to the input of single-chip microcomputer；The heating temperature measurement circuit is connected to
Single-chip microcomputer；The output end of the key-press module is connected to the input of single-chip microcomputer；The output end of the power module is connected to list
The input of piece machine；The output end of the single-chip microcomputer is connected to the input of power-fail detection circuit；The output end of the single-chip microcomputer
It is connected to the input of display module；The output end of the single-chip microcomputer is connected to the input of valve driving circuit；The monolithic
The output end of machine is connected to indicate the input of warning circuit；The host computer is connected to host computer by communication interface.
As further optimization of the present utility model, monolithic described in a kind of animal organ's experiment temperature control system of the utility model
Machine uses STC12C5A60S2 single-chip microcomputers.
As further optimization of the present utility model, heated described in a kind of animal organ's experiment temperature control system of the utility model
Temperature measurement circuit uses ito thin film heater.
As further optimization of the present utility model, clock described in a kind of animal organ's experiment temperature control system of the utility model
Module uses DS1302 clock chips.
As further optimization of the present utility model, shown described in a kind of animal organ's experiment temperature control system of the utility model
Module uses LCD12864 LCDs.
Control effect：A kind of animal organ's experiment temperature control system of the utility model, it is simple in construction, by by key assignments temperature
Degree, carries out warning reminding automatically when temperature is too high, during system exception, can be run by button emergency stop system, system work
Detection of power loss is carried out in work, prevents data power down from losing, in animal organ's experimentation, can be increased by button and soaked
Liquid, it must be humidity to ensure animal organ with corresponding fountain solution.
Brief 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 the hardware structure diagram that a kind of animal organ of the utility model tests temperature control system.
Fig. 2 is a kind of circuit diagram of the single-chip microcomputer of animal organ's experiment temperature control system of the utility model.
Fig. 3 is a kind of circuit diagram of the clock module of animal organ's experiment temperature control system of the utility model.
Fig. 4 is a kind of circuit diagram of the heating temperature measurement circuit of animal organ's experiment temperature control system of the utility model.
Fig. 5 is a kind of circuit diagram of the power-fail detection circuit of animal organ's experiment temperature control system of the utility model.
Fig. 6 is a kind of circuit diagram of the key-press module of animal organ's experiment temperature control system of the utility model.
Fig. 7 is a kind of circuit diagram of the display module of animal organ's experiment temperature control system of the utility model.
Fig. 8 is a kind of circuit diagram of the valve driving circuit of animal organ's experiment temperature control system of the utility model.
Fig. 9 is a kind of circuit diagram of the instruction warning circuit of animal organ's experiment temperature control system of the utility model.
Figure 10 is a kind of circuit diagram of the communication interface of animal organ's experiment temperature control system of the utility model.
Figure 11 is a kind of circuit diagram of the power module of animal organ's experiment temperature control system of the utility model.
Embodiment
Embodiment one：
Illustrate present embodiment, a kind of animal device described in present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11
Official's experiment temperature control system includes single-chip microcomputer, clock module, power module, power-fail detection circuit, heating temperature measurement circuit, button mould
Block, display module, valve driving circuit, instruction warning circuit, communication interface, host computer, it is simple in construction, by by key assignments temperature
Degree, carries out warning reminding automatically when temperature is too high, during system exception, can be run by button emergency stop system, system work
Detection of power loss is carried out in work, prevents data power down from losing, in animal organ's experimentation, can be increased by button and soaked
Liquid, it must be humidity to ensure animal organ with corresponding fountain solution.
Wherein, the output end of the clock module is connected to the input of single-chip microcomputer, and clock module uses DS1302 clocks
Chip, clock module, which is used to producing clock signal, provides a system to real-time time, the SCLK pins of clock module and single-chip microcomputer
P3.6 pins are connected；The RST pins of clock module are connected with the P3.5 pins of single-chip microcomputer, and RST pins are input signal,
During reading and writing data, it is necessary to for height；The DATA pins of clock module are connected with the P3.7 pins of single-chip microcomputer.
The heating temperature measurement circuit is connected to single-chip microcomputer, using ito thin film heater, main member in ito thin film heater
Part is ITO conductive films, and ITO conductive films are used as the temperature transducers element of system, thermometric both as the heating element heater of system
With heating timesharing gating.The pwm signal end of heating temperature measurement circuit is connected with the P2.6 pins of single-chip microcomputer, heating temperature measurement circuit
TEMP signal ends are connected with the P2.7 pins of single-chip microcomputer, and the P1.0 of the ADC_IN signal ends and single-chip microcomputer that heat temperature measurement circuit draws
Pin is connected；When pwm signal end is high level, and TEMP signal ends are low level, heater circuit is gated, external heat power supply connects
ITO conductive films are connect, conducting ITO conductive films are heated；When pwm signal end is low level, and TEMP signal ends are high electricity
Usually, then temperature measurement circuit is gated.Temperature measurement circuit is made up of ITO conductive films with R3, R4, R5 group wheatstone bridge, ITO conductive thins
Membrane impedance minor variations are converted into the voltage change on electric bridge, amplify by AD620, are transferred to single-chip microcomputer and are AD converted,
The resistance value that magnitude of voltage obtains ITO conductive films by converting is determined, corresponding temperature value is obtained.
The output end of the key-press module is connected to the input of single-chip microcomputer, by key-press module set temperature value and should
Anxious processing, SW1, SW2, SW3, SW4 of key-press module are connected with P1.4, P1.5, P1.6, P1.7 pin of single-chip microcomputer respectively,
In the termination capacitor of button two, for power filter, reach the effect of debounce, wherein, SW1 buttons be valve drive button, when by
During lower SW1 buttons, control signal is sent to single-chip microcomputer, single-chip microcomputer is opened according to the control signal movable valve drive circuit of reception
Fluid valve is soaked, is animal organ's increase fountain solution；SW2 buttons is add button, for entering to the temperature value for needing to change parameter
Row add operation；SW3 buttons is subtract button, for needing the temperature value for changing parameter to carry out reducing；SW4 buttons are pressed to be emergent
Key, when temperature anomaly or power down occurs in system, by pressing SW4 buttons, is stopped to system control sytsem.
The output end of the power module is connected to the input of single-chip microcomputer, and power module is used for system power supply, it is ensured that
System worked well, power module is powered using 220V AC powers, after having exchange to be electrically accessed, and decompression first is 12V exchanges
Electricity, is direct current by AC rectification subsequently into rectification is carried out in bridge circuit, direct current is steady by entering after capacitor filtering
Depressor 7812, generation+12V direct currents, then after capacitor filtering enter voltage-stablizer 7812, generation+5V direct currents, in circuit
One piece of 12V battery is added, when there is the input of 220V alternating currents, is electrically charged or does not work, supplied by VCC ports to system
Electricity.
The output end of the single-chip microcomputer is connected to the input of power-fail detection circuit, the A ends of detection of power loss module and monolithic
The VCC pin of machine is connected, and the B ends of detection of power loss module are connected with the P2.4 pins of single-chip microcomputer, the C-terminal of detection of power loss module
It is connected with the P3.2 pins of single-chip microcomputer；Triode Q3 and clamp down on the structures such as a diode D7, divider resistance R13, current potential resistance R12
With double-width grinding comparator on emitter stage on into base stage, realize single-chip microcomputer detection of power loss and send in the power down of limit priority
Disconnected, data power down is preserved, and now the P3.2 pins of single-chip microcomputer are low level, during normal power supply, and triode Q3 is in cut-off state,
And P3.2 pins is maintained high level.
The output end of the single-chip microcomputer is connected to the input of display module, and display module is shown according to control signal
The temperature value of real-time time, current detection temperature value and setting, display module uses LCD12864 liquid crystal displays, passes through single-chip microcomputer
The DB0 of P0.0, P0.1, P0.2, P0.3, P0.4, P0.5, P0.6, P0.7 pin and display module, DB1, DB2, DB3, DB4,
DB5, DB6, DB7 end are connected, for display data；The P2.0 pins of single-chip microcomputer are connected with the R/W ends of display module, are used for
Control read-write operation；The P2.1 pins of single-chip microcomputer are connected with the RS ends of display module, and RS ends are that instruction/data selects end；It is single
The P2.2 pins of piece machine are connected with the E ends of display module, and E is Enable Pin；P2.0, P2.1, P2.2 pin of single-chip microcomputer are used for
Control the strobe state of the charactron in display module.
The output end of the single-chip microcomputer is connected to the input of valve driving circuit, and single-chip microcomputer is by P3.4 pins to valve
Drive circuit sends control signal, and the OUT1 terminations of valve driving circuit receive the control signal of the P3.4 pins from single-chip microcomputer
Afterwards, by optocoupler U5 and NPN triode Q5, relay K4 is obtained electric, connect wetting fluid valve, profit is provided for animal organ's experiment
Wet liquid, keeps the humidity of animal organ.
The output end of the single-chip microcomputer is connected to indicate the input of warning circuit, indicator lamp warning circuit using LED and
Buzzer, LED ends are connected with the P1.3 pins of single-chip microcomputer, and SPEAKER ends are connected with the P1.2 pins of single-chip microcomputer, work as monolithic
The P1.3 pin low levels of machine, indicator lamp LED1 lights；When the P1.2 pins of single-chip microcomputer are low level, triode Q4 base stage
Plus low-voltage, triode Q4 collector and emitter short circuit, buzzer obtains electric start-up operation, sounding alarm.
The host computer is connected to host computer by communication interface, and communication interface is used to transmit data, and communication interface is used
RS232 interfaces, host computer uses computer, the data message for receiving detection, the P3.0 pins of single-chip microcomputer and MAX232's
R1OUT pins are connected, and the P3.1 pins of single-chip microcomputer are connected with MAX232 T1IN pins.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the single-chip microcomputer is used
STC12C5A60S2 single-chip microcomputers.The STC12C5A60S2 single-chip microcomputers are single clock/machine cycles (1T) of macrocrystalline science and technology production
Single-chip microcomputer, be high speed/low-power consumption/superpower jamproof 8051 single-chip microcomputer of new generation, instruction code completely compatible traditional 8051,
But fast 8-12 times of speed.MAX810 Special reset circuits are internally integrated, 2 road PWM, 8 road 10-bit high speed A/D change (250K/S),
For motor control, strong jamming occasion.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the heating temperature measurement circuit is thin using ITO
Film heater.The ITO conductive films can arrive a little heating and translucency is good, and ITO conductive layer has temperature resistance characteristic, 100
There is good linear relationship in the range of DEG C, therefore, temperature sensor is used as using ITO itself.It is main in ito thin film heater
Element is ITO conductive films, and ITO conductive films are surveyed both as the heating element heater of system, and as the temperature transducers element of system
Mild heat timesharing is gated.When pwm signal end is high level, and TEMP signal ends are low level, heater circuit is gated, outside adds
Thermoelectric generator connects ITO conductive films, and conducting ITO conductive films are heated；When pwm signal end is low level, and TEMP signals
When holding as high level, then temperature measurement circuit is gated.Temperature measurement circuit is made up of ITO conductive films with R3, R4, R5 group wheatstone bridge,
ITO conductive film impedance minor variations are converted into the voltage change on electric bridge, amplify by AD620, are transferred to single-chip microcomputer and enter
Row AD conversion, determines the resistance value that magnitude of voltage obtains ITO conductive films by converting, obtains corresponding temperature value.Detection ITO is led
Temperature value is compared by electric layer resistance by acquisition temperature value of tabling look-up with setting value, and controlled quentity controlled variable is calculated after treatment, single
Piece machine output control signal, the heat driven circuit of control ITO conductive films is disconnected, and the temperature control of ITO conductive films is existed
Preset temperature value；System display module shows design temperature and system actual temperature.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, when the clock module uses DS1302
Clock chip.The DS1302 clock chips have a kind of high-performance, low-power consumption, the real time clock circuit with RAM, and it can be right
Year, month, day, hour, min, second carry out timing, with leap year compensation function.It is mainly characterized by using serial data transmission, Ke Yiwei
Power down protection power supply provides programmable charge function, and can be with charge closing function.Using common 32.768Hz crystal oscillators.
DS1302 can be also used for data record, particularly to that on the record of some data points acquired a special sense, can realize data
Recorded simultaneously with there is the time of the data, the time point of system is used for recording user.
Embodiment five：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10,11, the display module uses LCD12864
LCDs.The LCD12864 LCDs is dot matrix lcd module, is made up of 128*64 liquid crystal display point
One 128 row × 64 rows array.Each display point correspond to a bit, and 0 represents to go out, and 1 represents bright.Chinese
The 128 × 64 of character library are a kind of with 4 or 8 parallel-by-bits, 2 lines or the serial multiple interfaces mode of 3 lines, and national standard one is contained in inside
The dot-matrix lcd module of level, two grades of simplified form of Chinese Character character libraries；Its display resolution is 128 × 64, built-in 8192 16*
16 Chinese characters, and 128 16*8 point ascii character-sets.Operate using the flexible interface mode of the module and simply and easily and refer to
Order, may make up complete Chinese man-machine interaction graphical interfaces.The Chinese character of the dot matrix of 8 × 4 row 16 × 16 can be shown, figure can be also completed and show
Show, and Low-voltage Low-power.
A kind of operation principle of animal organ of the utility model experiment temperature control system is：A kind of animal organ of the utility model
Temperature control system is tested, power module is used to provide a system to electric energy, it is ensured that the normal work of system, detection of power loss module detection is single
The electric power thus supplied of piece machine, realizes single-chip microcomputer detection of power loss and sends the power-fail interrupt of limit priority, data power down is preserved, now
The P3.2 pins of single-chip microcomputer are low level, during normal power supply, and triode Q3 is in cut-off state, and P3.2 pins is maintained high electricity
It is flat.Clock module provides real-time time for system, and is shown by display module；Adding button SW2 and subtracting by key-press module
Button SW3 is set to temperature, heating temperature measurement circuit detection current temperature value, is sent single-chip microcomputer to and is stored, single-chip microcomputer
The temperature of detection and design temperature are contrasted, and send display module to and is shown, and is sent to by communication interface
The computer of host computer, when temperature is too high, driving indicates that warning circuit carries out sounding, luminous alarm, when system temperature is abnormal
When, by the emergence button SW4 in key-press module to system transmission control signal system can be made out of service；In animal device
In order that organ keeps moistening in official's experimentation, by the valve in key-press module button SW1 can be driven to drive valve to drive
Dynamic circuit, opens wetting fluid valve, is animal organ's increase fountain solution.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What protection domain of the present utility model should be defined by claims is defined.
Claims (5)
1. a kind of animal organ tests temperature control system, it is characterised in that animal organ's experiment temperature control system include single-chip microcomputer,
Clock module, power module, power-fail detection circuit, heating temperature measurement circuit, key-press module, display module, valve driving circuit, refer to
Show warning circuit, communication interface, host computer, the output end of the clock module is connected to the input of single-chip microcomputer；The heating
Temperature measurement circuit is connected to single-chip microcomputer；The output end of the key-press module is connected to the input of single-chip microcomputer；The power module
Output end is connected to the input of single-chip microcomputer；The output end of the single-chip microcomputer is connected to the input of power-fail detection circuit；It is described
The output end of single-chip microcomputer is connected to the input of display module；The output end of the single-chip microcomputer is connected to the defeated of valve driving circuit
Enter end；The output end of the single-chip microcomputer is connected to indicate the input of warning circuit；The host computer is connected by communication interface
Host computer.
2. a kind of animal organ's experiment temperature control system according to claim 1, it is characterised in that：The single-chip microcomputer is used
STC12C5A60S2 single-chip microcomputers.
3. a kind of animal organ's experiment temperature control system according to claim 1, it is characterised in that：The heating temperature measurement circuit
Using ito thin film heater.
4. a kind of animal organ's experiment temperature control system according to claim 1, it is characterised in that：The clock module is used
DS1302 clock chips.
5. a kind of animal organ's experiment temperature control system according to claim 1, it is characterised in that：The display module is used
LCD12864 LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036185.0U CN206400373U (en) | 2017-01-12 | 2017-01-12 | A kind of animal organ tests temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036185.0U CN206400373U (en) | 2017-01-12 | 2017-01-12 | A kind of animal organ tests temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400373U true CN206400373U (en) | 2017-08-11 |
Family
ID=59512720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036185.0U Expired - Fee Related CN206400373U (en) | 2017-01-12 | 2017-01-12 | A kind of animal organ tests temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687837A (en) * | 2019-08-30 | 2020-01-14 | 浙江威星智能仪表股份有限公司 | Power failure detection circuit based on single chip microcomputer |
-
2017
- 2017-01-12 CN CN201720036185.0U patent/CN206400373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687837A (en) * | 2019-08-30 | 2020-01-14 | 浙江威星智能仪表股份有限公司 | Power failure detection circuit based on single chip microcomputer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205786451U (en) | A kind of condenser type grain moisture detector | |
| CN102680025A (en) | Indoor thermal comfort evaluation system | |
| CN202870320U (en) | Hand-held meteorological information acquisition instrument | |
| CN109211334A (en) | A kind of digital Hygrothermograph and design method based on DHT11 | |
| CN205881242U (en) | Multinuclear heart embedded development system | |
| CN204595515U (en) | Wireless multifunctional converter | |
| CN206400373U (en) | A kind of animal organ tests temperature control system | |
| CN207007910U (en) | Control multifunctional intelligent electric energy meter is taken based on the communication of SOC broadband dual-modes | |
| CN105973492A (en) | Digital exhaust temperature automatic cyclic detection device | |
| CN203432700U (en) | Multi-channel temperature acquisition system | |
| CN202255647U (en) | Multifunctional digital temperature instrument | |
| CN205947573U (en) | Autonomous intelligence drinking cup controller | |
| CN205808564U (en) | Infrared detector module multi way temperature based on diode thermometric monitoring system | |
| CN109495629A (en) | A kind of cell-phone cover | |
| CN205067595U (en) | Three -phase network deployment detects ammeter | |
| CN206269570U (en) | A kind of control system for the drying of wood | |
| CN205507046U (en) | Lithium ion battery electric quantity monitoring system | |
| CN206258702U (en) | The record display system that a kind of Students' Innovation is started an undertaking | |
| CN107764327A (en) | A kind of humiture observation system | |
| CN205537993U (en) | Temperature alarm device | |
| CN202204608U (en) | Intelligent thermometer with low power consumption voice broadcast | |
| CN215726432U (en) | Novel single-point temperature measurement circuit | |
| CN202568246U (en) | Portable type low-cost multi-path electrocardiogram monitoring instrument | |
| CN109655167A (en) | A kind of SCM Based instant temp measuring system of family's multiple spot | |
| CN210666691U (en) | Intelligent gloves of colour response |
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: 20170811 Termination date: 20180112 |