CN102663482A - Wireless temperature-humidity electronic label - Google Patents
Wireless temperature-humidity electronic label Download PDFInfo
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- CN102663482A CN102663482A CN2012100806678A CN201210080667A CN102663482A CN 102663482 A CN102663482 A CN 102663482A CN 2012100806678 A CN2012100806678 A CN 2012100806678A CN 201210080667 A CN201210080667 A CN 201210080667A CN 102663482 A CN102663482 A CN 102663482A
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- radio frequency
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- master controller
- humidity sensor
- electronic tag
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Abstract
The invention discloses a wireless temperature-humidity electronic label. The label comprises a main controller, a temperature-humidity sensor, a memory unit and a wireless radio frequency module. The wireless radio frequency module, the memory unit and the temperature-humidity sensor form bidirectional data connection with the main controller respectively. During usage, a disposable lithium manganese cell is used to provide power; the main controller makes the temperature-humidity sensor measure the temperature and the humidity; a short distance RFID technology is used to perform wireless radio frequency transmission on a measured value; an external power supply is not needed; a purpose of small power consumption can be achieved; simultaneously, the label is not influenced by the external power supply and stability can be increased. During measurement, a period sampling measurement mode is used; a difference of an actual measurement simulation curve and a theory curve is written in the main controller; the measured value is corrected and precision of the measured value can be increased. During installation, the label is only needed to be hung or pasted in a tested environment; further wiring does not needed and the purpose of convenient installation can be achieved.
Description
[technical field]
The present invention relates to a kind of RFID electronic label technology, especially particularly a kind of wireless humiture electronic tag that is used for the product mark aspect.
[background technology]
Along with the social life level improves constantly, it is constantly complicated to be accompanied by various electronic product kinds, yet in the logistics circulation industry, electronic tag has become judgement or discerned necessary program in the electronic product.Because conventional identification techniques is to utilize optical technology and artificial mode of participating in to accomplish whole information process, causes operator's complex operation step and inconvenient operation easily.Occur a kind of humiture electronic tag subsequently, this humiture electronic tag is to utilize wired mode that ambient temperature and humidity is passed to the user with the bi-directional data mode.Though this kind RM is operated fairly simple convenience, because installation wiring and networking more complicated, cause difficult installation easily, possessive volume is big and power consumption is high.In some Cold Chain Logistics, can't discern realization because of this kind humiture label again, cause stability low and precision is low.
[summary of the invention]
Technical purpose of the present invention be provide in order to solve the problem that above-mentioned prior art exists that a kind of power consumption is little, volume is little, raisings is stable, raising measuring accuracy accuracy and wireless humiture electronic tag easy for installation.
In order to realize above-mentioned technical matters; A kind of wireless humiture electronic tag provided by the present invention; Comprise master controller, Temperature Humidity Sensor, memory and wireless radio frequency modules, described wireless radio frequency modules, memory, Temperature Humidity Sensor bi-directional data respectively are connected in master controller.
According to said major technique characteristic, also be provided with and receive the antenna of outer signals on the described wireless radio frequency modules.
According to said major technique characteristic, also be provided with the built-in battery that to supply power to wireless radio frequency modules, memory and Temperature Humidity Sensor respectively on the said master controller.
According to said major technique characteristic, said battery is made up of disposable lithium-manganese cell.
According to said major technique characteristic, described wireless radio frequency modules is to be made up of at least one radio frequency chip with complete inner decoding, data encapsulation, frequency synthesis.
According to said major technique characteristic, described master controller is made up of high speed microprocessor MCU.
According to said major technique characteristic, described Temperature Humidity Sensor is made up of the low power consumption integrated circuit sensor.
According to said major technique characteristic, described memory is to constitute by having the external memory that erasable 100 ten thousand performances, power down can preserve 40 years.
According to said major technique characteristic, described master controller and less radio-frequency can be that an integrated chip constitutes.
In order to use technique scheme; And the adopting process measuring method is: the main controller controls Temperature Humidity Sensor carries out the data of periodic sampling measurement and collection and proofreaies and correct; Promptly same measurement point is carried out at least 3 times and measure, and get that to measure average be actual measured value; In measurement range, be taken to few 3 measurement points in advance and measure, this measured value is simulated curve to actual humiture, this curve is write master controller, this master controller in actual measurement with this curvature correction measured value; Master controller is written to the measured humiture value of institute in the memory, and the control wireless radio frequency modules utilizes wireless mode to send to read write line.
Beneficial effect of the present invention: because of described wireless radio frequency modules, memory, Temperature Humidity Sensor respectively bi-directional data be connected in master controller, during use, utilize the powered battery of disposable lithium manganese; The main controller controls Temperature Humidity Sensor is measured humiture; With short-range RFID technology less radio-frequency transmission measurement value, do not need external power supply fully, reach the little purpose of power consumption; Simultaneously not influenced by extraneous power supply, reach and improve stability; During measurement, utilize the periodic sampling metering system, the difference of actual measurement simulation curve and theoretical curve is write master controller, measured value is proofreaied and correct, reach the accuracy that improves the measured value precision.During installation, only need with the label suspension or stick on survey and get final product in the environment, do not need other wiring, reach purpose easy for installation.In addition, technical scheme of the present invention has following advantage: 1. the present technique scheme has adopted the RFID and the integrated chip of low-power consumption, and to very low state, general label can be used more than 5 years and dispense with outer connecting power reaches the purpose that increases the service life with power consumption control.2. adopted the external memory of high capacity, can store and read, be applicable to that more moving thing measures (like container etc.) and inquire about afterwards, reaches purpose easy to use.
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description.
[description of drawings]
Fig. 1 is the structural representation of wireless humiture electronic tag among the present invention.
[specific embodiment]
Please refer to shown in Figure 1; Below in conjunction with embodiment a kind of wireless humiture electronic tag is described; Comprise master controller, Temperature Humidity Sensor, memory and wireless radio frequency modules, described wireless radio frequency modules, memory, Temperature Humidity Sensor bi-directional data respectively are connected in master controller.
Also be provided with and receive the antenna of outer signals on the described wireless radio frequency modules.Also be provided with the built-in battery that to supply power to wireless radio frequency modules, memory and Temperature Humidity Sensor respectively on the said master controller.Said battery is made up of disposable lithium-manganese cell.Described wireless radio frequency modules is to be made up of at least one radio frequency chip with complete inner decoding, data encapsulation, frequency synthesis.Described master controller is made up of high speed microprocessor MCU.Described Temperature Humidity Sensor is made up of the low power consumption integrated circuit sensor.Described memory is to constitute by having the external memory that erasable 100 ten thousand performances, power down can preserve 40 years.Described master controller and less radio-frequency can be that an integrated chip constitutes.
Described antenna is connected on the wireless radio frequency modules; Described wireless radio frequency modules is two-way to be connected on the master controller; Described memory is two-way to be connected on the master controller, and described battery is two-way to be connected on the master controller, and described Temperature Humidity Sensor is connected on the master controller; Described wireless radio frequency modules, battery, memory and Temperature Humidity Sensor can bi-directional data respectively and between the master controller transmit.
Principle: the main controller controls Temperature Humidity Sensor is measured humiture numerical value, and proofreaies and correct.Humiture numerical value after master controller will be proofreaied and correct utilizes wireless radio frequency modules to send to read write line.Humiture numerical value after master controller will be proofreaied and correct writes memory.When master controller reads value for storage at read write line, from memory, read the humiture record value, and send to read write line with wireless radio frequency modules.
Measuring method: in measurement range, measure at least 3 measurement points in advance and measure, this measured value is simulated curve to actual humiture, this curve is write master controller.Then, the main controller controls Temperature Humidity Sensor carries out that periodic sampling is measured and the data of gathering are proofreaied and correct, and promptly same measurement point is carried out at least 3 times and measures, and get that to measure average be actual measured value; In actual measurement, utilize said curvature correction tested value.Master controller is written to the measured humiture value of institute in the memory, and the control wireless radio frequency modules utilizes wireless mode to send to read write line.
In the present embodiment, be power supply with disposable lithium-manganese cell, with master controller (MCU) control moisture temperature sensor measurement humiture, send measured value, and measured value is stored in the memory with the short-distance wireless RF-wise.Since low in energy consumption, do not need external power supply fully.
Main controller controls Temperature Humidity Sensor (low power consumption integrated circuit sensor) periodic sampling is measured, and with the difference writing controller of actual measurement simulation curve and theoretical curve, measured value is proofreaied and correct, and improves the accuracy of measurement.Master controller adopts high speed microprocessor, and is low in energy consumption under holding state, and has quick arousal function.Temperature Humidity Sensor has quick measurement function, and has the low-power consumption standby state.
Value after master controller will be proofreaied and correct adopts less radio-frequency to send to read write line, and aerial transmission is encrypted.Radio frequency chip has complete inner decoding, data encapsulation, frequency synthesis; And has a holding state of low-power consumption.Master controller and less radio-frequency can be discrete integrated chips, also an integrated chip of SOC type.When needs stored, master controller write memory with the humiture value, and can when read write line require to read the data of storage, read the data of storage and send to read write line.Memory adopts external storage, has erasable 100 ten thousand performances, and power down can be preserved 40 years.Master controller also can only store the data that exceed domain value range, and report to the police as requested.
In sum, because of described wireless radio frequency modules, memory, Temperature Humidity Sensor respectively bi-directional data be connected in master controller, during use; Utilize the powered battery of disposable lithium manganese, the main controller controls Temperature Humidity Sensor is measured humiture, with short-range RFID technology less radio-frequency transmission measurement value; Do not need external power supply fully; Reach the little purpose of power consumption, not influenced by extraneous power supply simultaneously, reach and improve stability; During measurement, utilize the periodic sampling metering system, the difference of actual measurement simulation curve and theoretical curve is write master controller, measured value is proofreaied and correct, reach the accuracy that improves the measured value precision.During installation, only need with the label suspension or stick on survey and get final product in the environment, do not need other wiring, reach purpose easy for installation.In addition, technical scheme of the present invention has following advantage: 1. the present technique scheme has adopted the RFID and the integrated chip of low-power consumption, and to very low state, general label can be used more than 5 years and dispense with outer connecting power reaches the purpose that increases the service life with power consumption control.2. adopted the external memory of high capacity, can store and read, be applicable to that more moving thing measures (like container etc.) and inquire about afterwards, reaches purpose easy to use.
Claims (10)
1. a wireless humiture electronic tag comprises master controller, Temperature Humidity Sensor, memory and wireless radio frequency modules, it is characterized in that: described wireless radio frequency modules, memory, Temperature Humidity Sensor bi-directional data respectively are connected in master controller.
2. wireless humiture electronic tag according to claim 1 is characterized in that: the antenna that also is provided with and receives outer signals on the described wireless radio frequency modules.
3. wireless humiture electronic tag according to claim 1 is characterized in that: also be provided with the built-in battery that can supply power to wireless radio frequency modules, memory and Temperature Humidity Sensor respectively on the said master controller.
4. wireless humiture electronic tag according to claim 3 is characterized in that: said battery is made up of disposable lithium-manganese cell.
5. wireless humiture electronic tag according to claim 1 is characterized in that: described wireless radio frequency modules is to be made up of at least one radio frequency chip with complete inner decoding, data encapsulation, frequency synthesis.
6. wireless humiture electronic tag according to claim 1 is characterized in that: described master controller is made up of high speed microprocessor MCU.
7. wireless humiture electronic tag according to claim 1 is characterized in that: described Temperature Humidity Sensor is made up of the low power consumption integrated circuit sensor.
8. wireless humiture electronic tag according to claim 1 is characterized in that: described memory is to constitute by having the external storage that erasable 100 ten thousand performances, power down can preserve 40 years.
9. wireless humiture electronic tag according to claim 1 is characterized in that: described master controller and less radio-frequency can be that an integrated chip constitutes.
10. in order to use technique scheme; And the adopting process measuring method is: the main controller controls Temperature Humidity Sensor carries out the data of periodic sampling measurement and collection and proofreaies and correct; Promptly same measurement point being carried out upward measuring, and get the measurement average at least 3 times is actual measured value; In measurement range, be taken to few 3 measurement points in advance and measure, this measured value is simulated curve to actual humiture, this curve is write master controller, this master controller in actual measurement with this curvature correction measured value; Master controller is written to the measured humiture value of institute in the memory, and the control wireless radio frequency modules utilizes wireless mode to send to read write line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100806678A CN102663482A (en) | 2012-03-23 | 2012-03-23 | Wireless temperature-humidity electronic label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100806678A CN102663482A (en) | 2012-03-23 | 2012-03-23 | Wireless temperature-humidity electronic label |
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| Publication Number | Publication Date |
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| CN102663482A true CN102663482A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100806678A Pending CN102663482A (en) | 2012-03-23 | 2012-03-23 | Wireless temperature-humidity electronic label |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278591A (en) * | 2015-11-06 | 2016-01-27 | 东莞中科云控物联科技有限公司 | Active RFID temperature and humidity electronic tag |
| CN105678372A (en) * | 2015-12-31 | 2016-06-15 | 上海仪电智能电子有限公司 | Electronic label antenna combining humidity sensing part |
| CN105701534A (en) * | 2015-12-31 | 2016-06-22 | 上海仪电智能电子有限公司 | Passive humidity sensing electronic tag |
-
2012
- 2012-03-23 CN CN2012100806678A patent/CN102663482A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105278591A (en) * | 2015-11-06 | 2016-01-27 | 东莞中科云控物联科技有限公司 | Active RFID temperature and humidity electronic tag |
| CN105678372A (en) * | 2015-12-31 | 2016-06-15 | 上海仪电智能电子有限公司 | Electronic label antenna combining humidity sensing part |
| CN105701534A (en) * | 2015-12-31 | 2016-06-22 | 上海仪电智能电子有限公司 | Passive humidity sensing electronic tag |
| CN105701534B (en) * | 2015-12-31 | 2019-02-22 | 上海仪电智能电子有限公司 | A kind of passive humidity sensor electronic tag |
| CN105678372B (en) * | 2015-12-31 | 2019-04-30 | 上海仪电智能电子有限公司 | A kind of electronic label antenna of combination humidity sensor component |
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Application publication date: 20120912 |