CN207556686U - A kind of system for reading multi way temperature sensor - Google Patents
A kind of system for reading multi way temperature sensor Download PDFInfo
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- CN207556686U CN207556686U CN201721573373.3U CN201721573373U CN207556686U CN 207556686 U CN207556686 U CN 207556686U CN 201721573373 U CN201721573373 U CN 201721573373U CN 207556686 U CN207556686 U CN 207556686U
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- temperature sensor
- microcontroller
- charge controller
- lithium battery
- multi way
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Abstract
The utility model discloses it is a kind of read multi way temperature sensor system, including：Photovoltaic generating module, charge controller, lithium battery, multi way temperature sensor, host computer and microcontroller；Wherein：The output terminal of the input terminal connection photovoltaic generating module of the charge controller, the charge controller output terminal connect the power end of lithium battery and microcontroller respectively；The multi way temperature sensor Zhong Mei roads are connect with single bus mode with microcontroller；The microcontroller is communicated to connect with host computer.The system significantly improves the reliability of photovoltaic charging system；Meanwhile the area that multi way temperature sensor can extend to narrow space, remote and dispersion is wider, the scope of application are wider.
Description
Technical field
The utility model is related to micro-grid system and computer control system technical field more particularly to a kind of reading multichannels
The system of temperature sensor.
Background technology
The energy is the important substance basis that human society is depended on for existence and development.With the rapid growth of China's economy, energy
Source demand is significantly increased, however traditional energy such as oil, coal etc. is big to the pollution of environment, and reserves are limited, problem of environmental pollution
The research and development of regenerative resource and clean energy technology is promoted with energy supply and demand contradiction getting worse.Photovoltaic energy is most
The common clean energy resource most easily utilized, it is widely distributed, it is resourceful, environmental-friendly, but photovoltaic power supply system is repaiied after a failure
Multiple this longer defect of time is very important, therefore in order to enable loss of the system during failure is as few as possible, how to reduce
Failure rate and shortening repair time seem increasingly important.
In practical application in industry scene, when temperature survey object space is narrow, dispersion range is wide and quantity is more, no
Easily realize observation control in real time.Simultaneously as in practical application temperature sensor more be distributed in inclement condition environment and for electricity
The difficult area of net extension, separately far connects wires and is taken time and effort for its energy supply.
Utility model content
The purpose of this utility model is to provide a kind of system for reading multi way temperature sensor, significantly improves photovoltaic charged
The reliability of system；Meanwhile the area that multi way temperature sensor can extend to narrow space, remote and dispersion is wider, it fits
It is wider with range.
The purpose of this utility model is achieved through the following technical solutions：
A kind of system for reading multi way temperature sensor, including：Photovoltaic generating module, charge controller, lithium battery, multichannel
Temperature sensor, host computer and microcontroller；Wherein：The output of the input terminal connection photovoltaic generating module of the charge controller
End, the charge controller output terminal connect the power end of lithium battery and microcontroller respectively；In the multi way temperature sensor
It is connect per road with single bus mode with microcontroller；The microcontroller is communicated to connect with host computer.
The charge controller includes：The first charge controller module being connected in parallel and the second charge controller module；
The first charge controller module has identical structure with the second charge controller module, includes：Charge controlling chip and
External regulation resistance；Wherein, the charge controlling chip of charge controller module where each external regulation resistance is all connected with it
FB ports and the anode of lithium battery；The input terminal of each charge controlling chip is all connected with the output terminal of photovoltaic generating module, often
Anode and the microcontroller VCC ends of the BAT+ ends connection lithium battery of one charge controlling chip, the cathode of BAT- ends connection lithium battery with
Microcontroller GND ends.
If every all the way comprising dry temperature sensor in multi way temperature sensor, per temperature sensor all the way by double
The I/O interfaces of twisted wire and microcontroller connect, and j-th of temperature sensor of i-th of I/O interfaces connection is denoted as Tij, 0≤i≤k, 0≤
The quantity of j≤n, k for I/O interfaces, quantity of the n for institute's jointing temp sensor on every temperature sensor all the way.
Photovoltaic generating module is used it can be seen from above-mentioned technical solution provided by the utility model as system power supply, it is first
It does not need to spend energy cost again after secondary input, in power generation process, not only reduces the consumption to coal, oil, and pollution-free, nothing
Noise, without waste；And the parallel redundancy that charge controller carries out is designed, significantly improve the reliable of photovoltaic charging system
Property, solve this longer defect of repair time after failure.Designed multi way temperature sensing can extend to narrow space, long distance
From and the wider area of dispersion, the scope of application it is wider.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, without creative efforts, can also be according to these attached drawings for those of ordinary skill in the art
Obtain other accompanying drawings.
Fig. 1 is the structure diagram of the system of a kind of reading multi way temperature sensor that the utility model embodiment provides；
Fig. 2 is the flow chart that the microcontroller that the utility model embodiment provides reads multi way temperature sensor information；
Fig. 3 is the flow chart that the host computer that the utility model embodiment provides carries out information processing.
Specific embodiment
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.Embodiment based on the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
The utility model embodiment provides a kind of system for reading multi way temperature sensor, as shown in Figure 1, it is mainly wrapped
It includes：Photovoltaic generating module 1, charge controller 2, lithium battery 3, multi way temperature sensor 4, host computer 5 and microcontroller 6；Wherein：
The output terminal of the input terminal connection photovoltaic generating module 1 of the charge controller 2,2 output terminal of charge controller connect respectively
Connect the power end of lithium battery 3 and microcontroller 6；The 4 Zhong Mei roads of multi way temperature sensor are connected with single bus mode and microcontroller 6
It connects；The microcontroller 6 is communicated to connect with host computer 5.Photovoltaic generating module is used to be supplied for system in the utility model said program
Electricity does not need to spend energy cost again, in power generation process, not only reduces the consumption to coal, oil, and without dirt after putting into for the first time
Dye, noiseless, without waste.
In the present embodiment, also the parallel redundancy that charge controller carries out is designed, significantly improves photovoltaic charging system
Reliability solves this longer defect of repair time after failure.Relevant programme is as follows：The charge controller 2 includes：Parallel connection is even
The the first charge controller module 21 and the second charge controller module 22 connect；The first charge controller module 21 and second
Charge controller module 22 has identical structure, includes：Charge controlling chip and external regulation resistance；Wherein, each outside
(the cell voltage Kelvin detection inputs of the charge controlling chip of charge controller module where regulation resistance is all connected with it
(FB ends) and the anode of lithium battery；The input terminal of each charge controlling chip is all connected with the output terminal of photovoltaic generating module, often
The battery connection anode (BAT+ ends) of one charge controlling chip connects the anode of lithium battery and microcontroller VCC ends, electric control chip
Battery connection negative terminal (BAT- ends) connect cathode and the microcontroller GND ends of lithium battery.
As shown in Figure 1, the charge controlling chip in the first charge controller module 21 is denoted as A1, external regulation resistance is denoted as
Rx1, the second charge controller module is denoted as A2 including charge controlling chip, and external regulation resistance is denoted as Rx2.Wherein：
External regulation resistance Rx1Lithium battery anode and the FB ports of charge controlling chip A1 are connected, charge controlling chip A1 is defeated
Enter end (VIN+, VIN-) to connect with photovoltaic generating module output terminal (positive and negative output terminal)；The BAT+ ends of charge controlling chip A1
Connect the cathode and microcontroller GND of the anode and microcontroller VCC, BAT- ends connection lithium battery of lithium battery.
External regulation resistance Rx2Lithium battery anode and the FB ports of charge controlling chip A2 are connected, charge controlling chip A2 is defeated
Enter end (VIN+, VIN-) to connect with photovoltaic generating module output terminal (positive and negative output terminal)；The BAT+ ends of charge controlling chip A2
Connect the cathode and microcontroller GND of the anode and microcontroller VCC, BAT- ends connection lithium battery of lithium battery.
In the present embodiment, MPPT (Maximum Power Point Tracking) calculations may be used in above-mentioned charge controller
Method control photovoltaic generating module power generation is system power supply and by extra power storage to lithium battery when illumination condition is preferable
In；When illumination condition is poor, photovoltaic generating module and lithium battery are simultaneously system power supply.
In the present embodiment, if every all the way comprising dry temperature sensor in multi way temperature sensor, passed per temperature all the way
Sensor is connected by the I/O interfaces of twisted-pair feeder and microcontroller, and j-th of temperature sensor of i-th of I/O interfaces connection is denoted as
Tij, the quantity of 0≤i≤k, 0≤j≤n, k for I/O interfaces, numbers of the n for institute's jointing temp sensor on every temperature sensor all the way
Amount.Using the area that above-mentioned multi way temperature sensor can extend to narrow space, remote and dispersion is wider, the scope of application is more
Extensively.
In the present embodiment, the microcontroller is communicated with host computer in a manner of RS232, and microcontroller reads multi way temperature and passes
The temperature data (digital quantity that temperature sensor is exported by internal analog-to-digital conversion module) of sensor output is simultaneously passed after being handled
Host computer is defeated by, the temperature data that each temperature sensor is read is illustrated in corresponding window by host computer.
It is exemplary below to provide the mistake that microcontroller reads multi way temperature sensor information and host computer carries out information processing
Journey, it should be pointed out that the requires of the utility model protection is the structural relation of system, in system information read, the correlations such as processing
Process can be realized based on system shown in FIG. 1 and with reference to the routine techniques of its grasp by those skilled in the art, certainly
It can be realized using following manner.
Microcontroller reads multi way temperature sensor information and host computer carries out the process of information processing respectively such as Fig. 2~figure
Shown in 3.Key step is as follows：
Microcontroller sends out instruction, and each temperature sensor in multi way temperature sensor is controlled to carry out temperature sense；
Microcontroller is searched for and matches the temperature sensor T for wanting readingij, later, read temperature sensor TijTemperature
Data are stored in local EEPROM, and are transmitted to host computer；
After host computer receives corresponding temperature data, the serial number T of the temperature data corresponding temperature sensor is determinedij,
Corresponding temperature data is then illustrated in sensor TijIn corresponding window.
An in addition, the step of serial number verification is further related in microcontroller：When microcontroller reads temperature sensor TijTemperature
After data, by the temperature sensor T of desired readingijSerial number, the temperature sensor T with readingijSerial number in included ROM
It is verified, if serial number is inconsistent, authentication failed controls each temperature sensor in multi way temperature sensor to carry out temperature again
Degree senses and carries out serial number search and matching operation；If serial number it is known that if be proved to be successful, corresponding temperature data is stored in
In local EEPROM.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, can be readily occurred in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection domain of claims.
Claims (3)
1. a kind of system for reading multi way temperature sensor, which is characterized in that including：Photovoltaic generating module, charge controller, lithium
Battery, multi way temperature sensor, host computer and microcontroller；Wherein：The input terminal connection photovoltaic generation of the charge controller
The output terminal of module, the charge controller output terminal connect the power end of lithium battery and microcontroller respectively；The multi way temperature
Sensor Zhong Mei roads are connect with single bus mode with microcontroller；The microcontroller is communicated to connect with host computer.
A kind of 2. system for reading multi way temperature sensor according to claim 1, which is characterized in that the charge control
Device includes：The first charge controller module being connected in parallel and the second charge controller module；The first charge controller mould
Block has identical structure with the second charge controller module, includes：Charge controlling chip and external regulation resistance；Wherein, often
The FB ports of the charge controlling chip of charge controller module and lithium battery where one outside regulation resistance is all connected with it are just
Pole；The input terminal of each charge controlling chip is all connected with the output terminal of photovoltaic generating module, the BAT+ of each charge controlling chip
The anode of end connection lithium battery and microcontroller VCC ends, the cathode of BAT- ends connection lithium battery and microcontroller GND ends.
3. a kind of system for reading multi way temperature sensor according to claim 1, which is characterized in that multi way temperature senses
If every all the way comprising dry temperature sensor in device, connect per temperature sensor all the way by the I/O of twisted-pair feeder and microcontroller
Mouth connection, j-th of temperature sensor of i-th of I/O interfaces connection are denoted as Tij, 0≤i≤k, 0≤j≤n, k are the number of I/O interfaces
Amount, quantity of the n for institute's jointing temp sensor on every temperature sensor all the way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573373.3U CN207556686U (en) | 2017-11-22 | 2017-11-22 | A kind of system for reading multi way temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721573373.3U CN207556686U (en) | 2017-11-22 | 2017-11-22 | A kind of system for reading multi way temperature sensor |
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| Publication Number | Publication Date |
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| CN207556686U true CN207556686U (en) | 2018-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748014A (en) * | 2017-11-22 | 2018-03-02 | 中国科学技术大学 | A kind of system for reading multi way temperature sensor |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748014A (en) * | 2017-11-22 | 2018-03-02 | 中国科学技术大学 | A kind of system for reading multi way temperature sensor |
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