CN111381010A - Monitoring system - Google Patents
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 84
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- 230000036541 health Effects 0.000 description 2
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a monitoring system, which comprises a sensing module, a control module, a monitoring terminal and a radio frequency module, wherein when the system has no monitoring requirement, the control module is in a first working mode, the control module and the radio frequency module do not need to transmit sensing parameter information, and the system is in a low power consumption state and keeps electric quantity; when the system has a monitoring requirement, the control module is switched to a second working mode, the control module acquires sensing parameter information of the sensing module and sends the sensing parameter information to the monitoring terminal through the radio frequency module in a wireless communication mode, and remote transmission is achieved. Therefore, the system can realize remote communication, does not need to keep a data transmission state all the time, is environment-friendly and energy-saving, can reduce the frequency of battery replacement, and simultaneously prolongs the service life.
Description
Technical Field
The invention relates to the technical field of monitoring, in particular to a monitoring system.
Background
With the increasing concern of people on water quality health, the research of water quality safety monitoring becomes a research field which is widely concerned. The water quality health monitoring can monitor water source protection places, reservoirs and the like in real time through sensors, and provides a guidance scheme for daily water quality management, so that each link of water quality management is perfected.
However, the application environment of water quality monitoring is special, and monitoring devices such as sensors are placed in water all the year round and are always in a data transmission state, and collected sensing parameters are transmitted to processing equipment in real time. Because of the need to keep the data transmission state, the consumption of current sensor is high, and the battery is difficult to be changed, therefore causes monitoring devices high power consumption, not environmental protection and short service life.
Disclosure of Invention
Therefore, it is necessary to provide a monitoring system for solving the problems of high power consumption, environmental pollution and short service life of the conventional monitoring device.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
a monitoring system, comprising:
the sensing module is used for acquiring sensing parameter information of a target object;
the control module is connected with the sensing module and is set to be in a sleep state when in a first working mode; in a second working mode, acquiring, analyzing and processing the sensing parameter information of the sensing module, and generating an information sending instruction;
the monitoring terminal is used for acquiring the sensing parameter information and generating feedback information;
and the radio frequency module is respectively connected with the control module and the monitoring terminal, and is configured to transmit the sensing parameter information to the monitoring terminal and transmit the feedback information to the control module when receiving an information sending instruction.
The monitoring system comprises a sensing module, a control module, a monitoring terminal and a radio frequency module, wherein when the system has no monitoring requirement, the control module is in a first working mode, the control module and the radio frequency module do not need to transmit sensing parameter information, and the system is in a low power consumption state and keeps electric quantity; when the system has a monitoring requirement, the control module is switched to a second working mode, the control module acquires sensing parameter information of the sensing module and sends the sensing parameter information to the monitoring terminal through the radio frequency module in a wireless communication mode, and remote transmission is achieved. Therefore, the system can realize remote communication, does not need to keep a data transmission state all the time, is environment-friendly and energy-saving, can reduce the frequency of battery replacement, and simultaneously prolongs the service life.
In one embodiment, the control module is further configured to record a duration of the current mode, and perform mode switching when the duration is equal to a preset time.
In one embodiment, the control module is further configured to switch the first operating mode to the second operating mode when the first operating mode receives the wake-up command.
In one embodiment, the control module comprises:
a judging unit configured to judge a type of a current operating mode;
the timing unit is connected with the judging unit and is set to record the duration time of the current working mode;
the switching unit is connected with the timing unit and is set to carry out mode switching when the duration time is equal to preset time;
and the processing unit is respectively connected with the judging unit, the timing unit and the switching unit, is set to acquire, analyze and process the sensing parameter information of the sensing module in a second working mode, and generates an information sending instruction.
In one embodiment, the control module further comprises:
the first wake-up switch unit is respectively connected with the sensing module and the switching unit and is configured to receive the wake-up instruction output by the sensing module;
the second wake-up switch unit is respectively connected with the power supply, the switching unit and the processing unit and is set to generate a wake-up instruction when the current value of the processing unit is lower than a preset value;
and the switching unit is also configured to switch the mode when receiving the wake-up instruction.
In one embodiment, the control module is further configured to erase the current sensing parameter information when the feedback information is received.
In one embodiment, the radio frequency module includes:
the radio frequency unit is connected with the control module and is used for converting the sensing parameter information into a sensing parameter signal waveform when receiving an information sending instruction;
and the radio frequency switch unit is respectively connected with the control module and the radio frequency unit and is configured to transmit the sensing parameter signal waveform to the monitoring terminal and transmit the received feedback information to the control module when receiving an information sending instruction.
In one embodiment, the radio frequency module further includes:
and the filtering unit is connected between the radio frequency switch unit and the radio frequency unit and is used for filtering signals of non-target wave bands.
In one embodiment, the monitoring system further comprises:
the power management module is respectively connected with the power supply, the sensing module, the control module and the radio frequency module and is arranged to provide working voltage for the sensing module, the control module and the radio frequency module.
In one embodiment, the monitoring system further comprises:
and the indicating module is connected with the control module and is used for indicating light when the sensing parameter information is larger than a preset threshold value.
Drawings
FIG. 1 is a block diagram of a monitoring system in one embodiment;
FIG. 2 is a block diagram of a monitoring system in another embodiment;
FIG. 3 is a block diagram of a control module in the monitoring system of FIGS. 1 and 2 in combination in one embodiment;
FIG. 4 is a detailed circuit diagram of the control module corresponding to FIG. 3;
FIG. 5 is a block diagram of an exemplary RF module of the monitoring system of FIGS. 1 and 2;
fig. 6 is a schematic packaging diagram of an internet of things monitoring device with a monitoring system partially integrated into a module in an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, fig. 1 is a system configuration diagram of a monitoring system according to an embodiment.
In this embodiment, the monitoring system may be configured to monitor various sensing parameters, particularly sensing parameters in areas where human supervision is difficult or where monitoring of the environment is harsh, such as water quality sensing parameters. The monitoring system includes a sensing module 110, a control module 120, a monitoring terminal 130, and a radio frequency module 140.
The sensing module 110 is configured to obtain sensing parameter information of a target object.
The control module 120 is connected with the sensing module 110 and is configured to keep a sleep state in the first working mode; in the second working mode, the sensing parameter information of the sensing module 110 is acquired, analyzed and processed, and an information sending instruction is generated.
And the monitoring terminal 130 is configured to acquire the sensing parameter information and generate feedback information.
The rf module 140 is respectively connected to the control module 120 and the monitoring terminal 130, and configured to transmit the sensing parameter information to the monitoring terminal 130 and transmit the feedback information to the control module 120 when receiving the information sending instruction.
In this embodiment, the sensing module 110 can collect sensing parameter information of the target object. The target object refers to a monitoring object, and in one embodiment, the target object is water quality, and the sensing module 110 includes one or more water quality sensors. Water quality sensors include, but are not limited to, temperature sensors, pH sensors, conductivity sensors, dissolved oxygen sensors, and chloride sensors; thus, correspondingly, the sensed parameter information includes, but is not limited to, a temperature parameter, a pH parameter, a conductivity parameter, a dissolved oxygen parameter, and a chloride parameter.
In this embodiment, the control module 120 includes two operation modes, a first operation mode and a second operation mode, where the first operation mode is a low power consumption mode, and the second operation mode is a wake-up operation mode. In the first working mode, the control module 120 keeps a sleep state, the control module 120 automatically enters a low power consumption mode without acquiring sensing parameter information of the sensing module 110, and the typical value of current loss can reach 3.5 uA; in the mode, the interior of the module is basically powered off, only less logic is reserved, energy is saved, the environment is protected, and the service life can be prolonged. In the second operation mode, the control module 120 acquires, analyzes and processes the sensing parameter information of the sensing module 110, and generates a message sending instruction. The analysis processing mode may be specifically set according to actual conditions, and is not limited herein.
The control module 120 has a plurality of switching modes of operating modes.
In an embodiment, the control module 120 is further configured to record a duration of the current mode, and perform mode switching when the duration is equal to a preset time. Specifically, the control module 120 compares the duration T2 to the second preset time by recording the duration T1 of the first operating mode or the duration T2 of the second operating mode and comparing the duration T1 to the first preset time. When the duration time T1 is equal to a first preset time, switching the first working mode to a second working mode; when the duration T2 is equal to the second preset time, the second operation mode is switched to the first operation mode, so that the automatic switching of the operation mode is realized. The first preset time may be greater than the second preset time, or the first preset time is less than the second preset time, and specifically, the first preset time may be set according to a selection frequency of a working mode in an actual application.
In an embodiment, the control module 120 is further configured to switch the operation mode to the second operation mode when the wake-up command is received in the first operation mode. Specifically, when the control module 120 is in the first working mode, if the target object has a monitoring requirement or the external environment has a monitoring requirement, the wake-up instruction may be applied from the outside of the system or generated from the inside of the system, and when the control module 120 receives the wake-up instruction, the first working mode is switched to the second working mode. When the wake-up command is applied to the outside of the system, the control module 120 may be provided with a switch button, and the button may be manually pressed to implement control; when the wake-up instruction is generated inside the system, a first wake-up switch unit may be disposed between the sensing module 110 and the control module 120, the control module 120 is woken up from the low power consumption module when the wake-up instruction of the sensing module 110 is received by the first wake-up switch unit, the control module 120 enters a second working mode, at this time, the sensing module 110 transmits the water quality data to the control module 120 through an interface, and the control module 120 processes and stores the data; when the wake-up command is generated inside the system, a second wake-up switch unit may be further disposed in the control module 120, and when the voltage of the power supply is lower than a preset value, the wake-up command is generated to wake up the control module 120 from the low power consumption module, and the control module 120 enters a second working mode.
In one embodiment, the control module 120 is further configured to erase the current sensing parameter information when the feedback information is received. When the control module 120 needs to transmit the sensing parameter information to the monitoring terminal 130, the control module 120 transmits the stored data to the monitoring terminal 130 through the radio frequency module 140, and the monitoring terminal 130 feeds back a received information to the control module 120 after receiving the data, at this time, the control module 120 erases the stored data and collects and stores the sensing parameter information read by the sensing module again.
In this embodiment, the monitoring terminal 130 refers to a terminal device capable of acquiring sensing parameter information and generating feedback information, and stores the acquired sensing parameter information in a data center. In an embodiment, the monitoring terminal 130 may visually display the sensing parameter information, and may send a control instruction to the control module 120 through the radio frequency module 140 to implement remote control.
In this embodiment, the rf module 140 is configured to establish communication between the control module 120 and the monitoring terminal 130 under the control of the control module 120 in the second operation mode, and specifically, when receiving an information sending instruction of the control module 120, transmit the sensing parameter information to the monitoring terminal 130 by a radio signal, and transmit the feedback information of the monitoring terminal 130 to the control module 120. In the first mode, the rf module 140 does not need to establish communication between the control module 120 and the monitoring terminal 130, and closes related functions of signal transmission and reception, and enters a power saving mode to reduce power consumption. Optionally, the radio frequency module 140 is an NB internet of things radio frequency module, which can implement NB internet of things communication, so that the control module 120 can implement remote communication with the monitoring terminal 130 through an NB wireless network, and transmit sensing parameter information. For example, the rf module 140 may select an SKY68018 communication chip and support 13 frequency bands.
In an embodiment, the control module 120 and the rf module 140 may be integrated in an eSIM card (an electronic SIM card), thereby achieving better packaging and better sealing.
The monitoring system provided by this embodiment includes a sensing module 110, a control module 120, a monitoring terminal 130 and a radio frequency module 140, when the system has no monitoring requirement, the control module 120 is in a first working mode, the control module 120 and the radio frequency module 140 do not need to transmit sensing parameter information, and the system is in a low power consumption state to keep electric quantity; when the system has a monitoring requirement, the control module 120 switches to the second working mode, and the control module 120 acquires the sensing parameter information of the sensing module 110 and transmits the sensing parameter information to the monitoring terminal 130 through the radio frequency module 140 in a wireless communication manner, so as to realize long-distance transmission. Therefore, the system can realize remote communication, does not need to keep a data transmission state all the time, is environment-friendly and energy-saving, can reduce the frequency of battery replacement, and simultaneously prolongs the service life.
Referring to fig. 2, fig. 2 is a system configuration diagram of a monitoring system in another embodiment.
In this embodiment, the monitoring system includes a sensing module 210, a control module 220, a monitoring terminal 230, a radio frequency module 240, a power management module 250, and an indication module 260.
In this embodiment, the relevant descriptions of the sensing module 210, the control module 220, the monitoring terminal 230, and the radio frequency module 240 refer to the corresponding descriptions of the above embodiments, and are not repeated herein.
In this embodiment, the power management module 250 is respectively connected to a power supply (e.g., a battery), the sensing module 210, the control module 220, and the rf module 240, and configured to provide an operating voltage to the sensing module 210, the control module 220, and the rf module 240. Alternatively, the power management module 250 may be composed of a plurality of charging capacitors.
In this embodiment, the indication module 260 is connected to the control module 220 and configured to perform light indication when the sensing parameter information is greater than a preset threshold. Optionally, the indication module 260 includes a plurality of indicator lights, and the light indication may be an indication of the frequency of light flashing and/or the color of the light, by which a warning message may be communicated to the user.
The monitoring system provided by the embodiment includes a sensing module 210, a control module 220, a monitoring terminal 230, a radio frequency module 240, a power management module 250 and an indication module 260, wherein the power management module 250 provides power management for the system; when the system does not have a monitoring requirement, the control module 220 is in a first working mode, the control module 220 and the radio frequency module 240 do not need to transmit sensing parameter information, and the system is in a low power consumption state and keeps electric quantity; when the system has a monitoring requirement, the control module 220 is switched to a second working mode, the control module 220 acquires sensing parameter information of the sensing module 210 and sends the sensing parameter information to the monitoring terminal 230 through the radio frequency module 240 in a wireless communication mode, so that long-distance transmission is realized; meanwhile, the indicating module 260 performs light indication when the sensing parameter information is greater than the preset threshold, and may transmit warning information to the user. Therefore, the system can realize the functions of remote communication and warning, does not need to keep the data transmission state all the time, is environment-friendly and energy-saving, can reduce the frequency of battery replacement, and simultaneously prolongs the service life.
Referring to fig. 3, fig. 3 is a structural diagram of a control module in the corresponding embodiment. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and detailed as follows:
the control module comprises a judging unit 1201, a timing unit 1202, a switching unit 1203 and a processing unit 1204; the control module further comprises a first wake-up switch unit 1205 and a second wake-up switch unit 1206.
A judging unit 1201 configured to judge a type of the current operation mode. For example, the determining unit 1201 determines the type of the current operating mode by obtaining the power consumption of the current mode, where the power consumption of the first operating mode is low, the average current value is about 3uA, and the average current value of the second operating mode is about 9 mA.
The timing unit 1202, the connection judging unit 1201, is configured to record the duration of the current operating mode when receiving the timing instruction. For example, the timing unit 1202 records the duration t of the current value within a preset range, where the duration t is the duration of the current operating mode, and the preset range is a setting range in which the current value fluctuates around the average current value; the timing instruction is transmitted by the monitoring terminal through the radio frequency module.
In an embodiment, the timing unit 1201 may be directly a timer, including a T3324 timer and a T3412 timer, where the T3412 timer corresponds to the first operation mode and receives the first timing command, and the T3324 timer corresponds to the second operation mode and receives the second timing command; when the T3324 timer receives a timing instruction, timing is started, and after the timing instruction is overtime, the module automatically enters a first working mode; after a timeout T3412, the module automatically exits the first mode of operation. When the control module 120 is powered on again and configured, if there is no data transmission service within the configuration time of the T3324 timer after the power-on, the first operating mode may also be automatically entered.
In one embodiment, when the control module needs to enter the first mode, the radio frequency module sends a request message to the monitoring terminal 130 to request to enter the first working mode, and the monitoring terminal issues an enter grant message in a response message and configures a first timing instruction and a second timing instruction. Both the first and second timing instructions may include identification bits and binary bits ("identification bit + binary number"), such as "10100111" ("101" is identification bit, "00111" is binary bit) and "00100100" ("001" is identification bit, "00100" is binary bit). The identification bit corresponds to a time parameter, and the time parameter can be set by self according to an actual situation, for example, a corresponding table of the following identification bit and the time parameter is set:
| t3324 identification bit | Time of day | T3412 identification bit | Time of day |
| 0 0 0 | 2 seconds | 0 0 0 | 10 minutes |
| 0 0 1 | 1 minute | 0 0 1 | 1 hour |
| 0 1 0 | 6 minutes | 0 1 0 | 10 hours |
| 0 1 1 | 1 minute | 0 1 1 | 2 second |
| 1 0 0 | 1 |
1 0 0 | 30 |
| 1 0 1 | 1 |
1 0 1 | 1 |
| 1 1 0 | 1 |
1 1 0 | 320 |
| 1 1 1 | |
1 1 1 | timer shutdown |
The first wake-up switch unit 1205, which is respectively connected to the sensing module and the switching unit 1203, is configured to receive the wake-up command output by the sensing module, and transmit the wake-up command to the switching unit 1203.
The second wake-up switch unit 1206 is respectively connected to the power supply (or connected to the power management module), the switching unit 1203 and the processing unit 1204, and is configured to generate a wake-up command when a current value of the processing unit 1204 is lower than a preset value. Wherein the second wake-up switch unit 1206 generates a wake-up instruction by generating a bias voltage.
The switching unit 1203, connected to the timing unit 1202, the first wake-up switch unit 1205 and the second wake-up switch unit 1206 respectively, is configured to perform mode switching when the duration time is equal to a preset time, or perform mode switching when a wake-up command is received. Specifically, when the duration T1 is equal to a first preset time, the first operating mode is switched to the second operating mode; when the duration time T2 is equal to a second preset time, switching the second working mode to the first working mode; and when a wake-up instruction is received, the first working mode is switched to the second working mode, so that the automatic switching of the working modes is realized.
The processing unit 1204 is connected to the determining unit 1201, the timing unit 1202, the switching unit 1203 and the second wake-up switch unit 1206, and configured to acquire, analyze and process the sensing parameter information of the sensing module in the second working mode, and generate an information sending instruction.
Alternatively, referring to fig. 4, the determining unit 1201, the timing unit 1202, the switching unit 1203, and the processing unit 1204 may be integrated in a circuit chip U1, have signal receiving, transmitting, analyzing, processing, and controlling capabilities, and have a plurality of external interfaces, including but not limited to a Power interface P1(Power), a Control interface C1(Control), a SIM interface, an I2C interface, a general input/output G1(GPIO) interface, an Antenna interface T1 (including an Antenna interface and a GNSS interface), a USB interface, a universal asynchronous receiver transmitter/transmitter interface U1(UART), a serial peripheral S1(SPI) interface, and a digital-to-analog converter a1(ADC) interface. The two-wire serial port can be used for downloading/upgrading software, so that after the system is powered on and started, the software can be downloaded into the control module through the software downloading serial port, and the software can be upgraded for the module in a software downloading serial port R1 or an over-the-air downloading mode; the four-wire serial port can be used for data communication and sending a control instruction; the USB can read the running state of the control module 120; the Antenna interface of Antenna of Antenna is connected with radio frequency unit, can be used for NB Internet of things network communication, GNSS Antenna interface is connected with radio frequency switch unit, can be used for positioning communication; the GPIO interface can be used for data transmission; the ADC interface is used to convert the externally output voltage into a digital signal. The interfaces can be suitable for different sensing modules. The Control interface includes a wake _ IN pin and a POWER _ ON pin, the chip is connected to the first wake-up switch unit 1205 through the wake _ IN pin, is connected to the second wake-up switch unit 1206 through the POWER _ ON pin, receives different wake-up commands to switch the operating modes through the wake _ IN pin and the POWER _ ON pin, for example, the wake-up command is pulled down through the wake-up _ IN pin, the falling edge is valid, and after wake-up, AT + COPS is sent after wake-up? Switching a second working mode and re-accessing the network; and (4) waking up by pulling down the POWER _ ON (300ms-800ms), and switching the second working mode. The circuit chip U1 may also be provided with peripheral auxiliary circuits, such as some connectors, according to the actual situation.
Optionally, referring to fig. 4, the first wake-up switch unit 1205 may be composed of a resistor R1, a resistor R2, and a transistor D1, a first end of the resistor R1 is connected to the sensing module, a second end of the resistor R1 is connected to the base of the transistor D1, a collector of the transistor D1 is connected to a first end of the resistor R2, an emitter of the transistor D1 is grounded, and a second end of the resistor R2 is connected to the power supply.
Optionally, referring to fig. 4, the second wake-up switch unit 1206 includes a monitor chip U2 and a resistor R3, an input terminal of the monitor chip U2 is connected to the POWER supply, and a control terminal of the monitor chip U2 is connected to the POWER _ ON pin of the chip U1.
Referring to fig. 5, fig. 5 is a structural diagram of the rf module in the above embodiment. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and detailed as follows:
in the present embodiment, the radio frequency module includes a radio frequency unit 2201 and a radio frequency switch unit 2202; the radio frequency module further includes a filtering unit 2203.
The radio frequency unit 2201 is connected to the control module, and configured to convert the sensing parameter information into a sensing parameter signal waveform when receiving the information sending instruction. The rf unit 2201 receives the sensing parameter information and converts the sensing parameter information into a sensing parameter signal waveform under the control of the control module. Optionally, the radio frequency unit 2201 is an NB radio frequency chip, which can implement NB internet of things communication.
And the radio frequency switch unit 2202 is respectively connected with the control module and the radio frequency unit 2201, and is configured to transmit the sensing parameter signal waveform to the monitoring terminal and transmit the received feedback information to the control module when receiving the information sending instruction. The radio frequency switch unit 2202 transmits the sensing parameter signal waveform to the monitoring terminal under the control of the control module, and transmits the received feedback information to the control module.
A filtering unit 2203 connected between the radio frequency switch unit 2202 and the radio frequency unit 2201 and configured to filter signals in a non-target band. The signals of the non-target wave bands are signals except the sensing parameter information wave bands needing to be transmitted.
It should be noted that, referring to fig. 6, the power management module, the sensing module, the control module, and the rf module in all the above embodiments may be integrated with the internet of things monitoring device 10, and packaged in ceramic, for example, ceramic with a size of 18.0 × 15.0 × 2.0mm, and the size may be adjusted according to peripheral functions. During actual manufacturing, the interfaces can be led out of the ceramic package through the interface metal posts, different contacts can be directly selected to be connected according to the selected interfaces of the sensing module during manufacturing of the whole machine, power supply voltage (batteries) is connected with power supply contacts of the modules, waterproof glue or other waterproof substances are used for conducting waterproof processing on the positions of the contacts after connection, and therefore the sensor can be suitable for underwater work or other humid environment work.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A monitoring system, comprising:
the sensing module is used for acquiring sensing parameter information of a target object;
the control module is connected with the sensing module and is set to be in a sleep state when in a first working mode; in a second working mode, acquiring, analyzing and processing the sensing parameter information of the sensing module, and generating an information sending instruction;
the monitoring terminal is used for acquiring the sensing parameter information and generating feedback information;
and the radio frequency module is respectively connected with the control module and the monitoring terminal, and is configured to transmit the sensing parameter information to the monitoring terminal and transmit the feedback information to the control module when receiving an information sending instruction.
2. The monitoring system of claim 1, wherein the control module is further configured to record a duration of a current mode, and to perform a mode switch when the duration equals a preset time.
3. The monitoring system of claim 2, wherein the control module is further configured to switch the first operating mode to the second operating mode when the first operating mode receives the wake-up command.
4. The monitoring system of claim 3, wherein the control module comprises:
a judging unit configured to judge a type of a current operating mode;
the timing unit is connected with the judging unit and is set to record the duration time of the current working mode;
the switching unit is connected with the timing unit and is set to carry out mode switching when the duration time is equal to preset time;
and the processing unit is respectively connected with the judging unit, the timing unit and the switching unit, is set to acquire, analyze and process the sensing parameter information of the sensing module in a second working mode, and generates an information sending instruction.
5. The monitoring system of claim 4, wherein the control module further comprises:
the first wake-up switch unit is respectively connected with the sensing module and the switching unit and is configured to receive the wake-up instruction output by the sensing module;
the second wake-up switch unit is respectively connected with the power supply, the switching unit and the processing unit and is set to generate a wake-up instruction when the current value of the processing unit is lower than a preset value;
and the switching unit is also configured to switch the mode when receiving the wake-up instruction.
6. The monitoring system of claim 1, wherein the control module is further configured to erase current sensor parameter information upon receipt of the feedback information.
7. The monitoring system of claim 1, wherein the radio frequency module comprises:
the radio frequency unit is connected with the control module and is used for converting the sensing parameter information into a sensing parameter signal waveform when receiving an information sending instruction;
and the radio frequency switch unit is respectively connected with the control module and the radio frequency unit and is configured to transmit the sensing parameter signal waveform to the monitoring terminal and transmit the received feedback information to the control module when receiving an information sending instruction.
8. The monitoring system of claim 7, wherein the radio frequency module further comprises:
and the filtering unit is connected between the radio frequency switch unit and the radio frequency unit and is used for filtering signals of non-target wave bands.
9. The monitoring system of any one of claims 1-8, further comprising:
the power management module is respectively connected with the power supply, the sensing module, the control module and the radio frequency module and is arranged to provide working voltage for the sensing module, the control module and the radio frequency module.
10. The monitoring system of any one of claims 1-8, further comprising:
and the indicating module is connected with the control module and is used for indicating light when the sensing parameter information is greater than a preset threshold value.
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| CN201811643319.0A CN111381010A (en) | 2018-12-29 | 2018-12-29 | Monitoring system |
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