CN201821135U - Passive humidity-sensitive sensor - Google Patents
Passive humidity-sensitive sensor Download PDFInfo
- Publication number
- CN201821135U CN201821135U CN2010205393019U CN201020539301U CN201821135U CN 201821135 U CN201821135 U CN 201821135U CN 2010205393019 U CN2010205393019 U CN 2010205393019U CN 201020539301 U CN201020539301 U CN 201020539301U CN 201821135 U CN201821135 U CN 201821135U
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- moisture sensor
- passive moisture
- storage mechanism
- power storage
- electric power
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Abstract
The utility model discloses a passive humidity-sensitive sensor. The passive humidity-sensitive sensor comprises a processing chip, wherein the processing chip is connected with a humidity-sensitive element and also connected with a signal transmitting antenna and a power module; the power module comprises a power generation mechanism and a power accumulation mechanism; the power generation mechanism is connected with the power accumulation mechanism; and the accumulation mechanism is connected with the processing chip. The electrical energy generated by the power generation mechanism accumulates in the power accumulation mechanism, so as to facilitate providing electrical currents strong enough for the processing chip and generating strong enough radio signals through the signal transmitting antenna, and further effectively improve the operating distance.
Description
Technical field
The utility model relates to electronic applications, is specifically related to transducer.
Background technology
The many restrictions that can't break away from power supply of present transducer.Though this year occurred part passive and wireless transducer, many complex structures, with strong points are of limited application.
The utility model content
The purpose of this utility model is to provide a kind of passive moisture sensor, to solve the problems of the technologies described above.
Passive moisture sensor comprises process chip, described process chip connects dew cell, described process chip also connects a signal transmitting antenna and a power module, described power module comprises a power facility and an electric power storage mechanism, described power facility connects described electric power storage mechanism, and described electric power storage mechanism connects described process chip.
The electric energy that described power facility sends is at first accumulated in electric power storage mechanism, so that provide enough strong electric current for described process chip.So that produce enough strong radio signal by the signal transmitting antenna, and then effectively improve operating distance.Described process chip can be sent wireless signal by described signal transmitting antenna after receiving extraneous triggering signal.
Described power facility adopts an antenna formula power facility, and described antenna formula power facility comprises an accumulation of energy antenna, can adopt the signal transmitting antenna as the accumulation of energy antenna.Described power facility is the charging of electric power storage mechanism by described accumulation of energy antenna.
Described power facility adopts an inductance type power facility, and described inductance type power facility comprises an inductance coil, connects described electric power storage mechanism by a unidirectional conduction device, and described electric power storage mechanism adopts electric capacity.Described inductance coil is the charging of electric power storage mechanism by unidirectional conduction device.
Described power facility obtains energy by absorbing the extraneous signal of telecommunication.The extraneous signal of telecommunication that antenna formula power facility, inductance type power facility are absorbed mainly is a radio wave signal, as the radio wave signal of wave bands such as TV, radio broadcasting, mobile phone.
Described power facility adopts an optical energy power mechanism, and described optical energy power mechanism comprises an electrooptical device, and described electrooptical device connects described electric power storage mechanism, and described electric power storage mechanism adopts electric capacity.Described electrooptical device is converted into electric energy with luminous energy, is the electric capacity charging.
Be provided with a power management module between described electric capacity and described process chip, when described capacitance voltage was higher than a critical value, described power management module was controlled described electric capacity and is powered to described process chip.
Under the situation of described process chip power supply, described process chip can initiatively be sent wireless signal by described signal transmitting antenna at described power management module.Also can send wireless signal by described signal transmitting antenna after receiving extraneous triggering signal, as after receiving the signal that sensing system launches, control capacitance is powered to process chip, so that the feedback radio signal.
So that under the less situation of the electric current that described power facility itself produces, described power module still can provide than heavy current for described process chip.
Described electric capacity adopts electrochemical capacitor.To guarantee having bigger capacitance, can provide stronger electric current.
Described electric capacity adopts non-electrolytic capacitor.To guarantee that electric capacity has the sufficiently long life-span.
Described passive moisture sensor also comprises a package casing, and described process chip is embedded in the described package casing; Described electric capacity is provided with at least two sheet pole plates, and described two sheet pole plates are embedded in respectively in the described package casing.Because the sheet pole plate is embedded in the package casing, the package casing area is relatively large, therefore allows two sheet pole plates to have bigger area, and then allows electric capacity to have bigger capacitance.
Described passive moisture sensor is provided with a fixture, and described fixture can be viscose, magnet, snap close etc., and concrete form can be chosen according to actual working environment.
Passive moisture sensor can externally transmit data or receive the data that external equipment is sent by modes such as bluetooth, infrared, zigbee, can also carry out the mutual of data by WLAN (WLAN (wireless local area network)), 3G network, can also adopt radio-frequency technique to carry out the mutual of data.
Description of drawings
A kind of electrical block diagram of the passive moisture sensor of Fig. 1;
The another kind of electrical block diagram of the passive moisture sensor of Fig. 2.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to Fig. 1, passive moisture sensor comprises process chip 1, dew cell.Process chip 1 connects (or directly a being provided with) signal transmitting antenna 2 and a power module 3.Power module 3 comprises a power facility 31 and an electric power storage mechanism 32, and power facility 31 connects electric power storage mechanism 32.Electric power storage mechanism 32 connection processing chips 1.The electric energy that power facility 31 sends is accumulated in electric power storage mechanism 32, so that for process chip 1 provides enough strong electric current, so that produce enough strong radio signal by signal transmitting antenna 2, and then effectively improve operating distance.Signal transmitting antenna 2 can be the antenna of different types of structure, can be attached directly on the process chip 1, can also adopt the low-cost label antenna of electrically conductive ink printing.
In concrete the enforcement:
Power facility obtains energy by absorbing the extraneous signal of telecommunication.The extraneous signal of telecommunication that antenna formula power facility, inductance type power facility are absorbed mainly is a radio wave signal, radio signal as wave bands such as TV, radio broadcasting, mobile phones, as frequency be 6-18 million frequently, the intensive radio wave signal in civilian broadcasting station in the 49-16 VHF band, frequency is 800,000,000 frequently or 1,900 million frequently mobile communication radio wave signals.
With reference to Fig. 2,1 of electric power storage mechanism 32 and process chip are provided with a power management module 4, and when electric power storage mechanism 32 voltages were higher than a critical value, power management module 4 control electric power storage mechanisms 32 were to process chip 1 power supply.Electric power storage mechanism 32 can adopt electrochemical capacitor, to guarantee having bigger capacitance, can provide stronger electric current.Electric power storage mechanism 32 can also adopt non-electrolytic capacitor.To guarantee that electric power storage mechanism 32 has the sufficiently long life-span.
The non-electrolytic capacitor that electric power storage mechanism 32 adopts can be a structure as described below, and non-electrolytic capacitor is provided with at least two sheet pole plates, and two sheet pole plates are embedded in the package casing respectively.Because the sheet pole plate is embedded in the package casing, the package casing area is relatively large, therefore allows two sheet pole plates to have bigger area, and then allows electric capacity to have bigger capacitance.
In concrete the enforcement, under the situation that electric capacity is powered, process chip 1 can have different mode of operation settings:
As, at power management module 4 (electric capacity) under the situation of process chip 1 power supply, process chip 1 is initiatively sent wireless signal by signal transmitting antenna 2: as, process chip 1 is after receiving the signal that external equipment launches, send wireless signal by signal transmitting antenna 2, so that the feedback radio signal.So that under the less situation of the electric current that power facility 31 produces itself, power module 3 still can provide than heavy current for process chip 1.
Fixing for convenience, passive moisture sensor can be provided with a fixture, and fixture can be viscose, magnet, snap close etc., and concrete form can be chosen according to actual working environment.
The communication of passive moisture sensor
Passive moisture sensor can externally transmit data or receive the data that external equipment is sent by modes such as bluetooth, infrared, zigbee, can also carry out the mutual of data by WLAN (WLAN (wireless local area network)), 3G network, can also adopt radio-frequency technique to carry out the mutual of data.
In concrete the enforcement:
Passive moisture sensor can be provided with a bluetooth, infrared or zigbee processing module, process chip 1 connects signal transmitting antenna 2 by bluetooth, infrared or zigbee processing module, or directly bluetooth, infrared or zigbee processing module is arranged on the process chip 1.
Passive moisture sensor can also be provided with a radiofrequency signal transceiver module, and process chip 1 connects signal transmitting antenna 2 by the radiofrequency signal transceiver module, or directly the radiofrequency signal transceiver module is arranged on the process chip 1.When adopting radio-frequency technique to carry out data interaction, signal transmitting antenna 2 can have a plurality of, be provided with separator between each signal transmitting antenna 2, the radiofrequency signal transceiver module can produce a plurality of radiofrequency signals, each radiofrequency signal is by different signal transmission antennas transmit, can choose radiofrequency signal so on the one hand, can the detected information of a plurality of dew cells be distinguished by different radiofrequency signals on the other hand.
Passive moisture sensor can also be provided with a communication terminal, and passive moisture sensor inserts WLAN (WLAN (wireless local area network)) or 3G network by communication terminal.The external equipment of communicating by letter with passive moisture sensor can be computer, mobile phone etc., and a plurality of like this transducers just can be set up small-sized Internet of Things by WLAN (WLAN (wireless local area network)) or 3G network.
No matter be to adopt which kind of communication mode,, be provided with key between passive moisture sensor and the external communication device in order to ensure communication security.For example, by Bluetooth communication the time, require the password coupling before the data interaction, when communicating by letter, require passive moisture sensor and outside in same WLAN (WLAN (wireless local area network)), and allow visit mutually by WLAN (WLAN (wireless local area network)).
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not subjected to the restriction of above-mentioned using method; that describes in above-mentioned using method and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. passive moisture sensor comprises a process chip, described process chip connects dew cell, described process chip also connects a signal transmitting antenna and a power module, it is characterized in that, described power module comprises a power facility and an electric power storage mechanism, described power facility connects described electric power storage mechanism, and described electric power storage mechanism connects described process chip.
2. passive moisture sensor according to claim 1 is characterized in that, described power facility adopts an antenna formula power facility, and antenna formula power facility comprises an accumulation of energy antenna.
3. passive moisture sensor according to claim 1 is characterized in that, described power facility adopts an inductance type power facility, and described inductance type power facility comprises an inductance coil, connects described electric power storage mechanism by a unidirectional conduction device.
4. passive moisture sensor according to claim 1 is characterized in that, described power facility adopts an optical energy power mechanism, and described optical energy power mechanism comprises an electrooptical device, and described electrooptical device connects described electric power storage mechanism.
5. passive moisture sensor according to claim 1 is characterized in that, described electric power storage mechanism adopts electrochemical capacitor.
6. passive moisture sensor according to claim 1 is characterized in that, described electric power storage mechanism adopts non-electrolytic capacitor.
7. according to any described passive moisture sensor in the claim 1 to 6, it is characterized in that described electric power storage mechanism adopts electric capacity, described passive moisture sensor also comprises a package casing, and described process chip is embedded in the described package casing; Described electric capacity is provided with at least two sheet pole plates, and described two sheet pole plates are embedded in respectively in the described package casing.
8. according to any described passive moisture sensor in the claim 1 to 6, it is characterized in that passive moisture sensor is provided with a zigbee processing module.
9. according to any described passive moisture sensor in the claim 1 to 6, it is characterized in that passive moisture sensor is provided with a radiofrequency signal transceiver module.
10. according to any described passive moisture sensor in the claim 1 to 6, it is characterized in that passive moisture sensor is provided with a communication terminal, passive moisture sensor is by the communication terminal access network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205393019U CN201821135U (en) | 2010-09-21 | 2010-09-21 | Passive humidity-sensitive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205393019U CN201821135U (en) | 2010-09-21 | 2010-09-21 | Passive humidity-sensitive sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821135U true CN201821135U (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205393019U Expired - Fee Related CN201821135U (en) | 2010-09-21 | 2010-09-21 | Passive humidity-sensitive sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN201821135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324171A (en) * | 2011-07-29 | 2012-01-18 | 卓越进科技（深圳）有限公司 | Wireless urine-wetting alarm and paper diaper product |
-
2010
- 2010-09-21 CN CN2010205393019U patent/CN201821135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324171A (en) * | 2011-07-29 | 2012-01-18 | 卓越进科技（深圳）有限公司 | Wireless urine-wetting alarm and paper diaper product |
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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: 20110504 Termination date: 20120921 |