CN214748086U - Passive fixed frequency trigger sensor system - Google Patents
Passive fixed frequency trigger sensor system Download PDFInfo
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- CN214748086U CN214748086U CN202023000070.7U CN202023000070U CN214748086U CN 214748086 U CN214748086 U CN 214748086U CN 202023000070 U CN202023000070 U CN 202023000070U CN 214748086 U CN214748086 U CN 214748086U
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Abstract
The utility model provides a passive fixed frequency trigger sensor system, include: the energy collecting and converting module is used for collecting environmental energy and converting the environmental energy into electric energy; the electric energy modulation module is used for adjusting the electric energy converted by the energy collection and conversion module to a form suitable for storage; the electric energy storage module is used for storing the electric energy adjusted by the electric energy modulation module; the radio frequency switch is used for carrying out circuit opening or closing according to a received preset radio frequency signal; a passive sensor module for performing one or more sensing functions and sending a signal reflecting the sensing result thereof; the passive sensor module enters a working state only when the radio frequency switch is communicated with the electric energy storage module and the passive sensor module. The utility model discloses a trigger operating condition of MEMS passive device can only take effect under specific condition, has very strong system disguise and can realize the low-power consumption and the energy of system and independently gather.
Description
Technical Field
The utility model belongs to sensor application and thing networking field especially relate to a passive fixed frequency trigger sensor system.
Background
In modern production life, temperature and light indicators in environmental conditions are important parameters in many situations. In various fields such as warehouse management, intelligent building, meteorology, environmental protection, bio-pharmaceuticals, food processing, vegetable greenhouses, flower greenhouses, medical wards and the like, temperature and illumination parameters need to be monitored so as to perform corresponding treatment and ensure that equipment and a system run in an optimal state. Therefore, it is very important to develop a reliable and practical environmental monitoring system. With the advent of the "information age", sensor technology as a means of acquiring information has significantly advanced, and its application fields are becoming wider and wider. The sensor can convert signals of various physical quantities, chemical quantities, biomass and the like into electric signals, so that people can realize functions of automatic measurement, information processing, automatic control and the like by utilizing the microchip.
However, the existing environmental parameter acquisition system has several obvious disadvantages:
1) the battery or a power line is needed for power supply and driving, the defect of using the battery is that the endurance is insufficient, the battery can only work for a short time, and if the battery needs to work continuously, the battery needs to be replaced frequently to ensure the endurance; if the power cord power supply mode, just need arrange the electric wire, to mountain area or large tracts of land waters, the degree of difficulty of arranging the electric wire is very big, needs to invest in a large amount of manpower and materials, and it is inconvenient to maintain moreover, has gone out the problem and has hardly maintained, and the reliability is poor.
2) The existing system has poor concealment, because the working system is always communicated with the power supply and always in a working state or is in a working state regularly, the system can generate an electric signal in the working state, and the electric signal is easy to be found by an electric wave detection system, so that the concealment is insufficient.
3) The modules of the existing system are huge and the included functional modules are independent, for example, the existing system comprises a data acquisition module, a data processing module, a data transmitting module and a transmitting antenna module, each of the modules is large, and a larger module combination is formed by combining the modules together.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a passive fixed frequency trigger sensor system for solve environmental parameter collection system duration in the prior art weak, disguised poor and the comparatively huge problem of system.
To achieve the above and other related objects, the present invention provides a passive fixed frequency trigger sensor system, comprising: the energy collecting and converting module is used for collecting environmental energy and converting the environmental energy into electric energy; the electric energy modulation module is used for adjusting the electric energy converted by the energy collection and conversion module to a form suitable for storage; the electric energy storage module is used for storing the electric energy adjusted by the electric energy modulation module; the radio frequency switch is used for carrying out circuit opening or closing according to a received preset radio frequency signal; a passive sensor module for performing one or more sensing functions and sending a signal reflecting the sensing result thereof; the passive sensor module enters a working state only when the radio frequency switch is communicated with the electric energy storage module and the passive sensor module.
Optionally, the environmental energy comprises one or more of thermal energy, light energy, pressure energy, vibrational energy, and electromagnetic energy.
Optionally, the rf switch is a conductive device that is turned on or off under rf drive of a predetermined frequency and energy.
Optionally, the configuration of the predetermined radio frequency signal received by the radio frequency switch includes one or more of a center frequency and a center bandwidth, a threshold energy and a threshold range.
Optionally, the passive sensor module comprises a MEMS passive sensor, which is a MEMS device capable of performing one or more functions.
Optionally, the function performed by the MEMS passive sensor comprises one of ascertaining, storing, and propagating a probe parameter.
Optionally, the detection parameter includes one of a positioning emission parameter, an environmental pressure parameter, a temperature parameter, an illumination parameter, a humidity parameter, and a magnetic field parameter.
Optionally, the electrical energy storage module outputs electrical energy suitable for the passive sensor module to work when the radio frequency switch is in communication with the electrical energy storage module and the passive sensor module.
Optionally, the passive fixed frequency trigger sensor system is applied in one or more of the following scenarios: passive positioning monitoring and data acquisition of specific environmental temperature, pressure and humidity.
Optionally, the data acquisition of the specific environment includes one of water meter and electricity meter data acquisition, marine environment data monitoring and forest environment data monitoring.
As described above, the utility model discloses a passive fixed frequency trigger sensor system has following beneficial effect:
the utility model provides a passive fixed frequency triggers sensor system can turn into the usefulness of electric energy deposit as system work with environmental energy to through specific frequency's radio frequency signal trigger switch, trigger sensor carries out corresponding function. The utility model discloses a trigger operating condition of MEMS passive device could take effect under specific condition, and the whole system does not launch the signal of telecommunication in the inoperative time of MEMS passive device, is difficult for being caught the equipment discovery by the signal of telecommunication, has very strong system disguise, simultaneously, MEMS passive device only just starts the mode when needing, and other time does not consume any energy, consequently, the utility model discloses a sensor system's low-power consumption and energy independently gather, have also improved its disguise. Additionally, the utility model discloses a MEMS sensor has advantages such as small, the performance is high, power consumptive few, the price is low, has increased the disguise of whole system module more, can spread in the environment in a large number, forms a huge data collection network, and whole input is low, and the disguise is high, does not need to maintain basically.
Drawings
Fig. 1 is a schematic diagram of an architecture of a passive fixed-frequency trigger sensor system according to an embodiment of the present invention.
Description of the element reference numerals
100 energy harvesting and conversion module
101 electric energy modulation module
102 electric energy storage module
103 radio frequency switch
104 passive sensor module
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
As in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the device structure are not partially enlarged in general scale for convenience of illustration, and the schematic views are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
For convenience in description, spatial relational terms such as "below," "beneath," "below," "under," "over," "upper," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that these terms of spatial relationship are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Further, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or one or more intervening layers may also be present.
In the context of this application, a structure described as having a first feature "on" a second feature may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed in between the first and second features, such that the first and second features may not be in direct contact.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
As shown in fig. 1, the present embodiment provides a passive fixed frequency trigger sensor system, which includes: an energy collection and conversion module 100, an electrical energy modulation module 101, an electrical energy storage module 102, a radio frequency switch 103, and a passive sensor module 104. The modules jointly form a passive fixed frequency triggering system, can collect, convert and store environmental energy, and can trigger the MEMS passive device to execute work under specific conditions, so that the whole system can complete a certain function or a plurality of functions.
The energy collection and conversion module 100 is used to collect ambient energy and convert it into electrical energy.
By way of example, the environmental energy includes one or more of thermal energy, light energy, pressure energy, vibrational energy, and electromagnetic energy. The collection type of the environmental energy can be set according to different environments, for example, in a desert area, heat energy and light energy can be selectively collected, in regions such as a transformer substation, electromagnetic energy and the like can be selectively collected, in regions such as a production workshop and the like, pressure energy, vibration energy, electromagnetic energy and the like can be collected, and energy collection and conversion modules with different functions can be set according to actual environments.
The electric energy modulation module 101 is used for adjusting the electric energy converted by the energy collection and conversion module 100 to a form suitable for storage, and the electric energy modulation module 101 can filter out unnecessary electric power to meet the electric power requirement required by the sensor system.
The electric energy storage module 102 is configured to store the electric energy adjusted by the electric energy modulation module 101.
In this embodiment, the electrical energy storage module 102 is further configured to output electrical energy suitable for the passive sensor module 104 to operate when the rf switch 103 is in communication with the electrical energy storage module 102 and the passive sensor module 104.
The electric energy storage module 102 may be selected from a lithium battery, a graphene battery, and the like.
The radio frequency switch 103 is configured to perform circuit opening or closing according to a received predetermined radio frequency signal, and after receiving a Radio Frequency (RF) signal with a preset frequency, the radio frequency switch 103 may form a circuit path to provide a power requirement required by the sensor system, and turn on the circuit to enable the sensor system to operate. The predetermined rf signal may be released by a remote device when the passive fixed frequency trigger sensor system needs to operate, so as to turn on the passive fixed frequency trigger sensor system at the rf switch 103.
Illustratively, the rf switch 103 is a conductive device that is turned on or off under rf drive at a predetermined frequency and energy.
As an example, the configuration of the predetermined radio frequency signal received by the radio frequency switch 103 includes one or more of a center frequency and a center bandwidth, a threshold energy and a threshold range.
The passive sensor module 104 is used for performing one or more sensing functions and sending out signals reflecting the sensing results; the passive sensor module 104 enters an operating state only when the rf switch 103 is in communication with the electrical energy storage module 102 and the passive sensor module 104.
The passive sensor module 104 includes a MEMS passive sensor, which is a MEMS device capable of performing one or more functions. The utility model discloses passive sensor mould adopts the MEMS sensor, has advantages such as small, the performance is high, power consumptive few, low price.
The MEMS passive sensor performs a function including one of detection, storage and propagation of a detection parameter, wherein the detection parameter includes one of a positioning emission parameter, an ambient pressure parameter, a temperature parameter, an illumination parameter, a humidity parameter and a magnetic field parameter. The passive sensor module 104 may also feed back the acquired detection parameters to a remote system through wireless transmission or the like, so as to facilitate data collection.
As an example, the passive fixed frequency trigger sensor system is applied in one or more of the following scenarios: passive positioning monitoring and data acquisition of specific environmental temperature, pressure and humidity. For example, the data collection of the specific environment comprises one of water meter and electricity meter data collection, marine environment data monitoring and forest environment data monitoring.
In a specific implementation process, the utility model discloses a passive fixed frequency trigger sensor system is applied to marine environment data monitoring, specifically contains following step:
as shown in fig. 1, the passive sensor module 104 of the passive fixed frequency triggered sensor system of the present example is a MEMS sensor that can detect water temperature and water flow rate, as well as system positioning information.
Then, a large number of passive fixed-frequency trigger sensor systems are scattered into the sea from the air by the unmanned aerial vehicle, and at ordinary times, the ambient energy collection and conversion device converts light energy, seawater pressure, temperature and the like into electric energy, and the electric energy is modulated by the electric energy modulation module 101 and stored in the electric energy storage module.
Next, when the ambient environment information of the passive fixed-frequency trigger sensor system needs to be collected, a preset Radio Frequency (RF) signal matched with a predetermined frequency is released through a remote device, and after receiving the RF signal with the specific frequency, the RF switch 103 turns on a circuit to provide the MEMS passive sensor module 104 with the electric energy already stored in the electric energy storage module 102, so that the MEMS passive sensor module 104 starts to work, collect the ambient seawater temperature, flow rate, and system positioning information, and send out the collected information. Providing a remote information monitoring function.
After the information transmission is completed, the rf switch 103 continues to enter the open circuit state, and the MEMS passive sensor module 104 enters the non-operating state.
The passive fixed frequency trigger sensor system of above-mentioned example adopts the design of MEMS scheme, and the volume can be accomplished very little, and the consumption is very low, and is few to the demand of electric energy, and the system device can make very little module, and convenient a large amount of transportation and put in use, and the cost is also very low, can regard as disposable device to use, need not to retrieve after the use, greatly reduced the maintenance cost in later stage.
Under the condition that the whole set of system is not triggered at ordinary times, the MEMS passive sensor module 104 does not emit an electric signal, and the whole set of passive fixed-frequency trigger sensor system cannot be found by electric wave capturing equipment, so that the whole set of system has strong concealment to ensure the survivability of the whole set of system.
As described above, the utility model discloses a passive fixed frequency trigger sensor system has following beneficial effect:
the utility model provides a passive fixed frequency triggers sensor system can turn into the usefulness of electric energy deposit as system work with environmental energy to through specific frequency's radio frequency signal trigger switch, trigger sensor carries out corresponding function. The utility model discloses a trigger operating condition of MEMS passive device could take effect under specific condition, and the whole system does not launch the signal of telecommunication in the inoperative time of MEMS passive device, is difficult for being caught the equipment discovery by the signal of telecommunication, has very strong system disguise, simultaneously, MEMS passive device only just starts the mode when needing, and other time does not consume any energy, consequently, the utility model discloses a sensor system's low-power consumption and energy independently gather, have also improved its disguise. Additionally, the utility model discloses a MEMS sensor has advantages such as small, the performance is high, power consumptive few, the price is low, has increased the disguise of whole system module more, can spread in the environment in a large number, forms a huge data collection network, and whole input is low, and the disguise is high, does not need to maintain basically.
Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A passive fixed frequency trigger sensor system, characterized in that the sensor system comprises:
the energy collecting and converting module is used for collecting environmental energy and converting the environmental energy into electric energy;
the electric energy modulation module is used for adjusting the electric energy converted by the energy collection and conversion module to a form suitable for storage;
the electric energy storage module is used for storing the electric energy adjusted by the electric energy modulation module;
the radio frequency switch is used for carrying out circuit opening or closing according to a received preset radio frequency signal;
a passive sensor module for performing one or more sensing functions and sending a signal reflecting the sensing result thereof;
the passive sensor module enters a working state only when the radio frequency switch is communicated with the electric energy storage module and the passive sensor module.
2. The passive fixed frequency trigger sensor system of claim 1, wherein: the environmental energy includes one or more of thermal energy, light energy, pressure energy, vibrational energy, and electromagnetic energy.
3. The passive fixed frequency trigger sensor system of claim 1, wherein: the radio frequency switch is a conductive device which is switched on or off under the radio frequency driving of preset frequency and energy.
4. The passive fixed frequency trigger sensor system of claim 1, wherein: the configuration of the predetermined radio frequency signal received by the radio frequency switch includes one or more of a center frequency and a center bandwidth, a threshold energy and a threshold range.
5. The passive fixed frequency trigger sensor system of claim 1, wherein: the passive sensor module includes a MEMS passive sensor that is a MEMS device capable of performing one or more functions.
6. The passive fixed frequency trigger sensor system of claim 5, wherein: the function performed by the MEMS passive sensor includes one of ascertaining, storing, and propagating a probe parameter.
7. The passive fixed frequency trigger sensor system of claim 6, wherein: the detection parameter comprises one of a positioning emission parameter, an environmental pressure parameter, a temperature parameter, an illumination parameter, a humidity parameter and a magnetic field parameter.
8. The passive fixed frequency trigger sensor system of claim 1, wherein: the electric energy storage module outputs electric energy suitable for the passive sensor module to work when the radio frequency switch is communicated with the electric energy storage module and the passive sensor module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000070.7U CN214748086U (en) | 2020-12-14 | 2020-12-14 | Passive fixed frequency trigger sensor system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023000070.7U CN214748086U (en) | 2020-12-14 | 2020-12-14 | Passive fixed frequency trigger sensor system |
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| CN214748086U true CN214748086U (en) | 2021-11-16 |
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| CN202023000070.7U Active CN214748086U (en) | 2020-12-14 | 2020-12-14 | Passive fixed frequency trigger sensor system |
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