CN203551009U - Handheld archival repository temperature hygrometer - Google Patents
Handheld archival repository temperature hygrometer Download PDFInfo
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- CN203551009U CN203551009U CN201320750299.3U CN201320750299U CN203551009U CN 203551009 U CN203551009 U CN 203551009U CN 201320750299 U CN201320750299 U CN 201320750299U CN 203551009 U CN203551009 U CN 203551009U
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Abstract
The utility model discloses a handheld archival repository temperature hygrometer which comprises a host and a probe, wherein a microprocessor is arranged inside the host. One end of the probe is detachably connected with the host. The other end of the probe is provided with a digital temperature and humidity sensor. The digital temperature and humidity sensor is electrically connected with the microprocessor. A power supply is arranged inside the host. The handheld archival repository temperature hygrometer has the advantages that the detachable temperature and humidity probe is easy for calibration maintenance and replacement; and the high accuracy integrated digital temperature and humidity sensor has the advantage of high measurement accuracy, wherein the temperature measurement error is less than 0.3 DEG C, and the relative humidity measurement error is less than 2%.
Description
Technical field
The utility model relates to archives conservation, environmental monitoring field, is specifically related to the hand-held archive storehouse temperature, humidity meter for detection of storage area temperature, relative humidity.
Background technology
Temperature and relative humidity are to affect the long-term important environmental factor of preserving of archives, therefore monitor and control the element task that archive storehouse temperature, humidity is archives conservation.Take archives of paper quality as example, only have when humiture is during in optimum range, just can make files keep normal water cut, thereby there is higher physical strength and good physical property.And bad temperature and humidity conditions, except easily growing entomophthora, also can damage file carrier material and writing material.
Files in China department pays much attention to archive storehouse temperature, humidity problem at present, adopted multiple temperature-humidity monitoring recording unit, for example hair hygrometer, wet-and-dry bulb thermometer, resistance-type Hygrothermograph etc., 14～24 ℃ of China < < standard of architecture design for archives > > (JGJ25-2010) regulation archives of paper quality storehouse temperature, relative humidity 45～60%, and require in selected temperature, after humidity, the amplitude requirement temperature of every day and night fluctuation is not more than ± and 2 ℃, relative humidity is not more than ± and 5%.This is in fact also the basic demand to temperature and humidity in storeroom watch-dog error range.
Existing archive storehouse temperature, humidity watch-dog, has the thermometer of independent testing temperature and the hygrometer of independent measurement relative humidity.Thermometer general measure is comparatively accurate, and error is less, but uses some inconvenience, as common thermometer adopts breakaway glass pipe, and the measuring error of conventional hair hygrometer and psychrometer is larger, is easily disturbed and is difficult for calibration and safeguard, and need manual record data.Along with the application of Temperature Humidity Sensor, humiture (temperature and relative humidity) logging and the digital Hygrothermograph of robotization have been there is, although hygrothermograph can Real-Time Monitoring, automatically record, but probe positions fixes, mobile inconvenience, and limited amount, cannot monitor storehouse dead angle and microenvironment, and cost is higher, probe also needs periodic calibration to change.And small-sized digital Hygrothermograph exists drift, measuring error equally, need the problem of periodic calibration.Its Temperature Humidity Sensor is also fixedly installed, and after breaking down, Temperature Humidity Sensor is difficult for changing.In addition, also there is the problem of measuring the time on date that do not record.
Utility model content
In view of the foregoing defects the prior art has, the main technical problems to be solved in the utility model is to provide a kind of convenient calibration to safeguard and change the hand-held archive storehouse temperature, humidity meter of Temperature Humidity Sensor.
For addressing the above problem, the utility model provides a kind of hand-held archive storehouse temperature, humidity meter, comprise that inside is provided with main frame and the probe of microprocessor, one end of described probe and described main frame removably connect, the other end of described probe is provided with digital hygro sensor, and described digital hygro sensor is electrically connected with described microprocessor; In described main frame, be also provided with power supply.
As preferably, described main frame comprises main part and grip part, and a side of described main part is provided with threaded hole, is provided with the jack being electrically connected with described microprocessor in described threaded hole; Described jack is inserted to realize electrical connection in one end of described probe, and described probe sheath is connected to and the clamp nut of described threaded hole mechanical connection.
As preferably, in described main frame, be also provided with clock module, described clock module is electrically connected with described microprocessor.
As preferably, in described main frame, be also provided with memory module, described memory module is electrically connected with described microprocessor.
As preferably, in described main frame, be also provided with communication module, described communication module is electrically connected with described microprocessor.
As preferably, described communication module comprises USB communication module and/or NFC communication module, and wherein USB communication module comprises the USB interface being arranged on described main frame one side.
As preferably, the surface of described main frame is provided with display screen, and described display screen is electrically connected with described microprocessor.
As preferably, described power supply comprises rechargeable lithium battary and standby silver-colored zinc button cell.Hand-held archive storehouse temperature, humidity meter of the present utility model has following beneficial effect: by adopting the probe removably connecting with main frame, be easy to calibration and safeguard and change, only probe need to be pulled down.The thermometric error of digital hygro sensor is less than 0.3 ℃, and relative humidity measurement error is less than 2%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hand-held archive storehouse temperature, humidity meter of an embodiment of the present utility model;
Fig. 2 is the theory structure block diagram of the hand-held archive storehouse temperature, humidity meter shown in Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
As depicted in figs. 1 and 2, the hand-held archive storehouse temperature, humidity meter of an embodiment of the present utility model, comprise that inside is provided with main frame 1 and the probe 2 of microprocessor 10, one end and the main frame 1 of probe 2 removably connect, the other end of probe 2 is provided with digital hygro sensor 3, and digital hygro sensor 3 is electrically connected with microprocessor 10; In main frame 1, be also provided with power supply 9.Power supply 9 is all electricity consumption device power supplies on whole hand-held archive storehouse temperature, humidity meter.Microprocessor 10(MCU) model be MSP430F2370, there is low-power consumption, can also adopt the chips such as STM32L162 as microprocessor.It is the integrated digital type Temperature Humidity Sensor of SHT25 or SHT75 that digital hygro sensor 3 adopts model, can also adopt the combination of DS18B20 numeric type temperature sensor and HIH4000-3 numeric type humidity sensor to replace.In the present embodiment, probe 2 removably connects with main frame 1, and its advantage is, is easy to calibration and safeguards and change, and only probe 2 need to be pulled down; In addition, the high precision integrated digital Temperature Humidity Sensor 3 of employing, thermometric error is less than 0.3 ℃, and relative humidity measurement error is less than 2%.
As shown in Figure 1, as optimal way, in the present embodiment, main frame 1 comprises main part 11 and grip part 12, one side of main part 11 is provided with threaded hole (not shown), is provided with the jack (also not shown in figure) being electrically connected with microprocessor in threaded hole; Digital hygro sensor 3 is positioned at an end of probe 2, by grid, communicates with outside air.Probe 2 the other end inserts described jack to realize electrical connection, and probe 2 is socketed with and the clamp nut 4 of threaded hole mechanical connection, to reach the object of mechanical connection securely.Grip part 12 is thinner than main part 11, so that operator grips.Due to threaded hole set on main part 11, and be all more common connected mode with probe 2 jacks that are electrically connected, therefore repeat no more.When dismounting, after clamp nut 4 is screwed out, probe 2 is extracted and can be realized dismounting, during assembling, 2 insertions of popping one's head in, then clamp nut 4 is screwed in and can realize firmly mechanical connection.
As shown in Figure 2, be also provided with clock module 41 in main frame 1, clock module 41 is electrically connected with microprocessor 10, and clock module 41 adopts PCF8563 clock chip.The object that clock module 41 is set is for when measuring temperature and humidity, record date and moment, be convenient to post-processed data, and curve plotting easily, understands transformation temperature and humidity variation tendency, is convenient to store management.
As shown in Figure 2, be also provided with memory module 42 in main frame 1, memory module 42 is electrically connected with microprocessor 10, and in the present embodiment, memory module 42 adopts AT24CM01 pin-saving chip, and storable measurement data is more than 10000 groups.
For the ease of with the communicating by letter of other equipment, as preferred version, as shown in Figure 2, in the present embodiment, be also provided with communication module in main frame 1, communication module is electrically connected with microprocessor 10, particularly, communication module comprises USB communication module 43 and NFC communication module 44, and wherein USB communication module 43 comprises the USB interface 5 being arranged on main frame one side, and USB communication module 43 adopts CH375 chip.USB interface 5 adopts Mini USB interface, to reduce, takes up room.USB communication module or NFC communication module also can be only set.USB communication module 43 can with computer communication, transmission measurement data.And NFC communication module 44 adopts TRF7970A NFC chip, can carry out communication easily and between smart mobile phone and other hand-held archive storehouse temperature, humidity meters with money.Wherein NFC is called as near-field communication (Near Field Communication), claim again wireless near field communication, be a kind of short-range high frequency wireless communication technology, allow to carry out contactless Point-to-Point Data Transmission (in ten centimetres) swap data between electronic equipment.TRF7970A NFC chip can be substituted by chips such as STRFNFCA, M24LR64, can also adopt other NFC chips.Two kinds of communication modes of USB communication module and NFC communication module are set simultaneously, are convenient for measuring the transmission of data.
As preferably, in the present embodiment, power supply 9 comprises lithium battery and reserve battery.Wherein lithium battery is rechargeable battery, can adopt the lithium battery of 1800mAh and be furnished with charging and supply module, reserve battery can adopt CR2032 silver zinc button cell, only Emergency use when lithium battery voltage deficiency, electric weight are inadequate, improve its functional reliability, this is all the common technology in this area, at this, needn't repeat.Wherein, as shown in Figure 1, power supply 9 is arranged on the inside of the grip part 12 of main frame 1.
As shown in Figure 1, the surface of main frame 1 is provided with display screen 6, and display screen 6 is electrically connected with microprocessor 10.Display screen 6 adopts LCD(Liquid Crystal Display) display screen, namely liquid crystal display.Display screen 6 is for showing the measured temperature and humidity numerical value obtaining of digital hygro sensor 3, Measuring Time (comprising date and moment), communication module whether with the information such as the electric weight of other equipment connections and power supply, when electric weight is not enough, show the icon that charges as early as possible.In addition, the time that is also provided with on the surface of main frame 1 adjusts and data read multiplexing button 7, before measurement, can adjust the time to time, after measurement, can recall and check measurement data, and some function buttons 8, comprise and be not limited to switching on and shutting down button, storage button and Reset(reset) button, as general knowledge, these buttons are all electrically connected with microprocessor.
Certainly; the above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (8)
1. a hand-held archive storehouse temperature, humidity meter, it is characterized in that, comprise that inside is provided with main frame and the probe of microprocessor, one end of described probe and described main frame removably connect, the other end of described probe is provided with digital hygro sensor, and described digital hygro sensor is electrically connected with described microprocessor;
In described main frame, be also provided with power supply.
2. hand-held archive storehouse temperature, humidity meter according to claim 1, is characterized in that, described main frame comprises main part and grip part, and a side of described main part is provided with threaded hole, is provided with the jack being electrically connected with described microprocessor in described threaded hole;
Described jack is inserted to realize electrical connection in one end of described probe, and described probe sheath is connected to and the clamp nut of described threaded hole mechanical connection.
3. hand-held archive storehouse temperature, humidity meter according to claim 2, is characterized in that, is also provided with clock module in described main frame, and described clock module is electrically connected with described microprocessor.
4. hand-held archive storehouse temperature, humidity meter according to claim 3, is characterized in that, is also provided with memory module in described main frame, and described memory module is electrically connected with described microprocessor.
5. hand-held archive storehouse temperature, humidity meter according to claim 4, is characterized in that, is also provided with communication module in described main frame, and described communication module is electrically connected with described microprocessor.
6. hand-held archive storehouse temperature, humidity meter according to claim 5, is characterized in that, described communication module comprises USB communication module and/or NFC communication module, and wherein USB communication module comprises the USB interface being arranged on described main frame one side.
7. hand-held archive storehouse temperature, humidity meter according to claim 5, is characterized in that, the surface of described main frame is provided with display screen, and described display screen is electrically connected with described microprocessor.
8. hand-held archive storehouse temperature, humidity meter according to claim 1, is characterized in that, described power supply comprises rechargeable lithium battary and standby silver-colored zinc button cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750299.3U CN203551009U (en) | 2013-11-25 | 2013-11-25 | Handheld archival repository temperature hygrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320750299.3U CN203551009U (en) | 2013-11-25 | 2013-11-25 | Handheld archival repository temperature hygrometer |
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| Publication Number | Publication Date |
|---|---|
| CN203551009U true CN203551009U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320750299.3U Expired - Fee Related CN203551009U (en) | 2013-11-25 | 2013-11-25 | Handheld archival repository temperature hygrometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535448A (en) * | 2018-03-23 | 2018-09-14 | 郑州金恒电子技术有限公司 | A kind of agricultural wetness display unit |
| CN109269735A (en) * | 2018-10-29 | 2019-01-25 | 湖南普奇地质勘探设备研究院（普通合伙) | A kind of dual mode handset formula detector and its data processing method |
| CN110796832A (en) * | 2019-11-18 | 2020-02-14 | 庄娘新 | Automatic alarm for leakage of switch of gas pressure reducing valve |
-
2013
- 2013-11-25 CN CN201320750299.3U patent/CN203551009U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535448A (en) * | 2018-03-23 | 2018-09-14 | 郑州金恒电子技术有限公司 | A kind of agricultural wetness display unit |
| CN109269735A (en) * | 2018-10-29 | 2019-01-25 | 湖南普奇地质勘探设备研究院（普通合伙) | A kind of dual mode handset formula detector and its data processing method |
| CN110796832A (en) * | 2019-11-18 | 2020-02-14 | 庄娘新 | Automatic alarm for leakage of switch of gas pressure reducing valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20181125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |