CN201993119U - Temperature and humidity recording instrument - Google Patents
Temperature and humidity recording instrument Download PDFInfo
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- CN201993119U CN201993119U CN2010206832916U CN201020683291U CN201993119U CN 201993119 U CN201993119 U CN 201993119U CN 2010206832916 U CN2010206832916 U CN 2010206832916U CN 201020683291 U CN201020683291 U CN 201020683291U CN 201993119 U CN201993119 U CN 201993119U
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Abstract
The utility model discloses a temperature and humidity recording instrument, which mainly comprises a power supply, a central processing unit (CPU), a keystroke module, a display module, a temperature and humidity detecting module, a real-time clock module and a memory, wherein the keystroke module, the display module, the temperature and humidity detecting module, the real-time clock module and the memory are all connected with the CPU; the power supply module comprises a power supply adapter, a charging circuit and a charging battery; the power supply adapter is connected with the CPU via the charging circuit; and the charging battery is mounted on the charging circuit. The temperature and humidity recording instrument has the characteristics that the use is convenient, temperature and humidity data of the environment can be tested accurately, and mass data can be memorized for analysis and processing.
Description
Technical field
The utility model relates to a kind of electronic gas and detects and register instrument, outstanding a kind of humiture registering instrument of specific design.
Background technology
In the process of article keeping, maintenance in the warehouse, the temperature and humidity in warehouse is all had certain requirement, the variation meeting of temperature and humidity causes and must influence the quality of product.Particularly strict more to the requirement of temperature and humidity in medical supplies, food and chemical products, therefore need special-purpose humiture detection and register instrument and come the humiture of environment is measured and time recording in real time.The humiture registering instrument of market circulation at present all is to be power supply with disposable lithium battery or alkaline battery, the battery that after the capacity of battery is finished using, just need more renew, cause the user often need change battery like this, the battery that changes can bring serious pollution to environment.In addition, present humiture registering instrument all need will record data download to computing machine the inside and just can print, cause having no idea in such as cold chain transportation or transport by sea process checking the data of record like this and measure to correspondence is analyzed and taked to data in some places that does not have a computing machine.For the user, after instrument is installed in fixing position, after connecting sensor, must have by whole instrument and be taken off by frequent getting, but humiture registering instrument on the market all is to adopt fixing storer at present, is fixed by welding on the wiring board of instrument internal, and each reading of data all needs whole registering instrument is removed, bring great inconvenience to the user like this, and reduce the serviceable life of instrument.
The utility model content
Technical problem to be solved in the utility model provide a kind of easy to use, and accurately test environment the humiture data and can store lot of data for analyzing and the humiture registering instrument of processing.
For addressing the above problem, the humiture registering instrument that the utility model is designed mainly is made of power supply, CPU (central processing unit), key-press module, display module, humiture detection module, real-time clock module and storer.Above-mentioned key-press module, display module, humiture detection module, real-time clock module and storer all link to each other with CPU (central processing unit).Described power module comprises power supply adaptor, charging circuit and rechargeable battery, and wherein power supply adaptor is connected with CPU (central processing unit) through charging circuit, and rechargeable battery is installed on the charging circuit.
Preferably also be connected to built-in miniature pin type thermal printer on the described CPU (central processing unit) of such scheme, the power end of this miniature pin type thermal printer directly links to each other with power supply adaptor.
The described storer of such scheme is preferably the SD card.
Preferably also be provided with the USB communication module on the described CPU (central processing unit) of such scheme.
Preferably also be connected to alarm module on the described CPU (central processing unit) of such scheme.
Compared with prior art, the utlity model has following characteristics:
But 1, the battery of employing recharge can be taked multiple charging modes flexibly, and the user need not to change battery in the life of whole instrument, tangible environment protecting is arranged;
2, built-in miniature pin type thermal printer, easy to use, can need not computing machine and print the data that the user needs whenever and wherever possible, be fit to move and fixed place;
3, adopt the SD card as storer, have the advantages that volume is little, memory capacity is big, and the user in use can arbitrarily dismantle, and avoided the difficulty whole instrument all dismantled for downloads historical data, increased the serviceable life of instrument;
4, the USB communication module that is provided with of central processing unit can be realized the exchanges data of humiture registering instrument and computer, so that the analysis of data and record;
5, the utility model both had been applicable to various workshops, and there are the fixed-site of specific (special) requirements in machine room, office etc. to humiture, also was applicable to the place of moving that humiture is had specific (special) requirements with cold chain transportation and transport by sea etc.
Description of drawings
Fig. 1 is the internal circuit block diagram of a kind of humiture registering instrument of the utility model.
Embodiment
The internal circuit block diagram of a kind of humiture registering instrument of the utility model mainly is made of power supply, CPU (central processing unit) and the key-press module that links to each other with CPU (central processing unit), display module, humiture detection module, real-time clock module, storer, miniature pin type thermal printer, USB communication module and alarm module as shown in Figure 1.Above-mentioned power module comprises power supply adaptor, charging circuit and rechargeable battery.Wherein power supply adaptor is connected with CPU (central processing unit) through charging circuit, and rechargeable battery is installed on the charging circuit.The power end of miniature pin type thermal printer directly links to each other with power supply adaptor.In order to reduce the volume of storer, improve memory capacity, the selected storer of the utility model is the SD card.
In the utility model preferred embodiment, CPU (central processing unit) is selected the MSP430F5524 chip for use.Display module is made up of HTN half-penetration type liquid crystal display and lcd drive chip HT1622, and HT1622 is connected with CPU (central processing unit) by four line spi bus, drives liquid crystal display and shows real-time humiture value and other state parameters that measures.The humiture detection module adopts high precision humiture one SH11 sensor, is connected with CPU (central processing unit) by the two-wire serial data bus.The scheme that real-time clock module adopts PCF8563 to add button cell provides real-time time for system, and PCF8563 is connected with CPU (central processing unit) by the I2C bus of two lines.High capacity SD card memory adopts the SD data card of general-purpose interface on the market, change the SD card of different capabilities size according to customer requirement, minimum is 512kbit, max cap. is supported 4Gbit, can store the data that comprise humiture value and time and other state parameters up to more than 7000000 groups at most, CPU (central processing unit) is by GPIO and SD card connection, and the SD card data bus by standard reads and store data.Miniature pin type thermal printer is connected with CPU (central processing unit) by the full-duplex communication line of two two-way communications.The USB interface that the USB communication module adopts the MSP430F5524 chip to carry is connected with CPU (central processing unit), and realization is communicated by letter with host computer.The power supply section of system is divided into built-in power and external power supply, and built-in power gets final product the lithium battery of recharge, and this lithium battery is that 3.3V uses for CPU (central processing unit) and other modules by LDO chip HT7533 with voltage transitions.External power supply is a power supply adaptor, and this power supply adaptor is converted to the 9V direct supply with the 220V electricity, load on the LDO chip HT7550, and be that 5V uses for charging circuit and internal printer module with power source conversion.
Be installed in indoor humiture detection module and be responsible for temperature and humidity in the sensing chamber, and be connected with CPU (central processing unit) by two serial signal line.CPU (central processing unit) provided power supply and sends the humiture collection instruction to the humiture detection module according to the sampling time that the user is provided with, the humiture detection module finish humiture value monitoring back to central processor unit transmit detect the humiture value.
When CPU (central processing unit) arrived in the writing time that the user is provided with, read the real-time time of real-time clock module, then its humiture value with sampling is made up, be stored in SD card designated memory locations the inside.The SD card is connected with CPU (central processing unit), when CPU (central processing unit) need write down or during reading of data, SD sticked into the operation of line correlation by the SD card read-write protocol of standard.
Display module is connected with CPU (central processing unit) through four line spi bus with alarm module.After CPU (central processing unit) is finished image data, send the data of the humiture value that will show to display module, display module with data presentation on liquid crystal.If alarm condition, alarm module will be opened the output of reporting to the police, and send alarm sound.
USB communication mould is responsible for the communication between CPU (central processing unit) and the host computer.The sampling time parameter that host computer sets the user sends to the CPU (central processing unit) that is transmitted to that USB communication module, USB communication module will receive, and CPU (central processing unit) is kept at the supplemental characteristic that obtains in the storer and SD card of CPU (central processing unit) inside.
The user by the button of pressing appointment after, key-press module sends to CPU (central processing unit) with press key message sent by user.CPU (central processing unit) reads the storage inside data of SD card after user's key command arrives, then it is rearranged according to the needed form of printer, sends print command and data by two data order wires then.After this moment, the thermal printer module received the print command and print data of CPU (central processing unit), just it is printed.
Charging circuit is connected with power supply adaptor and CPU (central processing unit).When the 5V power supply of external power supply or CPU (central processing unit) USB interface was imported, CPU (central processing unit) can have been checked external power source by testing circuit.This moment, CPU (central processing unit) detected the capacity of rechargeable battery again, if when being lower than the electric weight that needs charging, just opened the switch of charging circuit, and it is charged to rechargeable battery.After CPU (central processing unit) receives the signal of finishing that charges,, finish the whole process of charging with regard to the charge closing circuit.
Claims (5)
1. humiture registering instrument, mainly constitute by power supply, CPU (central processing unit), key-press module, display module, humiture detection module, real-time clock module and storer, above-mentioned key-press module, display module, humiture detection module, real-time clock module and storer all link to each other with CPU (central processing unit), it is characterized in that: described power module comprises power supply adaptor, charging circuit and rechargeable battery, wherein power supply adaptor is connected with CPU (central processing unit) through charging circuit, and rechargeable battery is installed on the charging circuit.
2. humiture registering instrument according to claim 1 is characterized in that: also be connected to built-in miniature pin type thermal printer on the CPU (central processing unit), the power end of this miniature pin type thermal printer directly links to each other with power supply adaptor.
3. humiture registering instrument according to claim 1 is characterized in that: described storer is the SD card.
4. humiture registering instrument according to claim 1 is characterized in that: described CPU (central processing unit) is provided with the USB communication module.
5. humiture registering instrument according to claim 1 is characterized in that: also be connected to alarm module on the described CPU (central processing unit).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206832916U CN201993119U (en) | 2010-12-27 | 2010-12-27 | Temperature and humidity recording instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206832916U CN201993119U (en) | 2010-12-27 | 2010-12-27 | Temperature and humidity recording instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993119U true CN201993119U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206832916U Expired - Fee Related CN201993119U (en) | 2010-12-27 | 2010-12-27 | Temperature and humidity recording instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN201993119U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390317A (en) * | 2014-12-25 | 2015-03-04 | 李钢 | Distributed cooling pump controller of central air conditioner |
| CN104457857A (en) * | 2014-12-25 | 2015-03-25 | 李钢 | Outdoor temperature and humidity acquisition circuit |
| CN107702742A (en) * | 2016-08-08 | 2018-02-16 | 天津优蓝科技有限公司 | Wireless humiture record appearance of intelligence |
| CN110595539A (en) * | 2019-09-10 | 2019-12-20 | 北京中集智冷科技有限公司 | Full-life unattended temperature and humidity recording device and temperature and humidity recorder |
| CN110849416A (en) * | 2019-11-13 | 2020-02-28 | 江苏安高科技有限公司 | Temperature and humidity recorder |
-
2010
- 2010-12-27 CN CN2010206832916U patent/CN201993119U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390317A (en) * | 2014-12-25 | 2015-03-04 | 李钢 | Distributed cooling pump controller of central air conditioner |
| CN104457857A (en) * | 2014-12-25 | 2015-03-25 | 李钢 | Outdoor temperature and humidity acquisition circuit |
| CN107702742A (en) * | 2016-08-08 | 2018-02-16 | 天津优蓝科技有限公司 | Wireless humiture record appearance of intelligence |
| CN110595539A (en) * | 2019-09-10 | 2019-12-20 | 北京中集智冷科技有限公司 | Full-life unattended temperature and humidity recording device and temperature and humidity recorder |
| CN110849416A (en) * | 2019-11-13 | 2020-02-28 | 江苏安高科技有限公司 | Temperature and humidity recorder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20121227 |