CN114578728A - Low-power-consumption acquisition equipment and method - Google Patents
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- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention provides a low-power consumption acquisition device and a method, the low-power consumption acquisition device comprises a processor, a solar panel, a charging and discharging unit, a voltage conversion unit, a battery, a stabilized voltage power supply, a sensor unit, a communication unit and a storage unit, the processor adopts three control modes by judging the voltage value of the battery, the low-power consumption acquisition device is designed in an integrated manner, each unit is controlled by the processor, not only can supply electric energy by solar energy in real time, but also effectively reduces the power consumption of the low-power consumption acquisition device, greatly reduces the maintenance work of a user, the low-power consumption acquisition method acquires the voltage value of the battery at regular time according to the voltage conversion unit, the processor switches one of the three control modes according to the current voltage value of the battery for control, controls the state of each unit according to the requirements of the control modes, and effectively reduces the power consumption of the low-power consumption device, meanwhile, effective monitoring data can be provided for geological disaster monitoring, and the effective monitoring data can be transmitted to the server in time.
Description
Technical Field
The invention belongs to the technical field of geological disaster monitoring, and particularly relates to low-power-consumption acquisition equipment and a low-power-consumption acquisition method.
Background
In the technical field of geological disaster monitoring, the equipment installation environment is severe, and a power supply system of the equipment becomes one of key technologies of monitoring data. The scheme of a common power supply system adopts a combination form of solar energy and a storage battery, and the power supply system has the following defects that if a monitoring point appears in rainy days for a long time, solar energy cannot be supplied in time, the storage battery feed is serious, and monitoring data cannot be transmitted back to a server. Part of users solve the problem by increasing the solar panel and increasing the capacity of the storage battery, the method addresses both the symptoms and the root causes, and always lags behind the increase of power consumption in severe environment, so that the monitoring cost is increased, and the manpower maintenance cost is also increased.
Disclosure of Invention
The present invention is directed to at least solving the problems of the prior art. Therefore, the low-power-consumption acquisition equipment and the low-power-consumption acquisition method can effectively reduce the power consumption of the acquisition equipment, can provide effective monitoring data for geological disaster monitoring, and can transmit the data to the server in time, so that the maintenance cost of operation and maintenance personnel is reduced.
In a first aspect, an embodiment of the present invention provides a low power consumption acquisition device, including:
the functional module comprises a sensor unit, a communication unit and a storage unit which are electrically connected with each other, wherein the sensor unit is used for collecting sensing data, the communication unit is used for transmitting the sensing data to a server, and the storage unit is used for storing the sensing data;
the charging and discharging module comprises a solar panel, a battery, a charging and discharging unit and a voltage conversion unit, wherein the charging and discharging unit is electrically connected with the solar panel and the battery and is used for controlling the solar panel to charge the battery; the voltage conversion unit is electrically connected with the battery and is used for collecting the battery voltage value of the battery at regular time;
and the processor is used for controlling the charging and discharging unit to be in a wake-up state according to the current battery voltage value and controlling the functional module to be in an interrupt state, or controlling the charging and discharging unit to be in an interrupt state according to the current battery voltage value and controlling the functional module to be in a dormant state and be in a wake-up state within a preset time period.
The low-power-consumption acquisition equipment provided by the embodiment of the invention at least has the following effects:
the integrated design of equipment, the integrated level is high, and every unit of equipment all is connected with the treater electricity, at equipment operation in-process, can start relevant work unit according to actual work demand effectively, and the electric quantity parameter of battery is mastered in real time to equipment simultaneously, can be according to the parameter of electric quantity, selects the whole consumption of different mode control and reaches the purpose that reduces the consumption.
According to some embodiments of the invention, the sensor unit employs a dual-axis tilt sensor.
According to some embodiments of the invention, the low power consumption acquisition device further comprises a regulated power supply, one end of the regulated power supply is electrically connected with the processor through a primary electronic switch, the other end of the regulated power supply is electrically connected with the communication unit and the sensor unit through a secondary electronic switch, and the secondary electronic switch is further connected with the processor.
According to some embodiments of the present invention, the processor is a single chip, and the single chip is controlled by using an RTC interrupt wakeup mechanism or an external interrupt wakeup mechanism.
According to some embodiments of the invention, the communication unit includes at least one of 4G, NB and a LORA.
In a second aspect, an embodiment of the present invention provides a low power consumption acquisition method, including the following steps:
collecting the battery voltage value of the battery at regular time according to the voltage conversion unit;
switching any one of the following three control modes according to the current battery voltage value through the processor for control;
the first control mode: if the current battery voltage value is lower than the cut-off voltage, controlling the charging and discharging unit to be in an awakening state, and controlling the functional module to be in an interruption state;
the second control mode: if the current battery voltage value is higher than the voltage threshold value, controlling the charging and discharging unit to be in an interruption state, controlling the functional module to be in a dormant state, controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point, and controlling the communication unit to be in an awakening state when the current time reaches a preset reporting time point;
the third control mode: and if the current battery voltage value is higher than the working voltage and lower than the voltage threshold value, controlling the charging and discharging unit to be in an interruption state and the functional unit to be in a dormant state, and controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point.
The low-power-consumption acquisition method provided by the embodiment of the invention at least has the following effects:
the method can effectively know the power supply condition of the equipment, work in working modes with different power consumptions under the condition of different electric quantities, ensure that the equipment keeps low power consumption under the condition of low battery voltage, also ensure that the battery timely recovers to a normal working state under the condition of power feeding, simultaneously maintain the functions of the equipment, achieve a function period, execute corresponding functions and ensure the smooth operation of acquisition work.
According to some embodiments of the present invention, if the sensor unit and the storage unit are in an awake state, the processor determines a size between the current sensing data acquired by the sensor unit and a reference value, and if the current sensing data is greater than the reference value, the sensing data is stored in the storage unit; and if the sensing data is less than or equal to the reference value, controlling the sensor unit and the storage unit to be in a dormant state.
According to some embodiments of the present invention, if the current sensing data is greater than the reference value, the processor controls the communication unit to be in an awake state, so that the communication unit transmits the current sensing data to a server.
According to some embodiments of the present invention, the processor controls the sensor unit to be in a sleep state after the sensor unit stores the sensing data, the communication unit to be in a sleep state after the communication unit transmits the sensing data to the server, and the voltage conversion unit to be in a sleep state after the voltage conversion unit collects the voltage value of the battery.
According to some embodiments of the present invention, before the voltage conversion unit collects the voltage value of the battery, the processor controls the charge and discharge unit to be in an interrupt state and waits for the voltage of the battery to be stabilized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a low power acquisition device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a control mode switching condition of a low power consumption acquisition method according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of operation of a control scheme provided by one embodiment of the present invention;
FIG. 4 is a flow chart of a method of operation of a control scheme provided by another embodiment of the present invention;
fig. 5 is a flowchart of a low power consumption acquisition method according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the directional descriptions, such as the directions of upper, lower, front, rear, left, right, etc., are referred to only for convenience of describing the present invention and for simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, according to an embodiment of the present invention, a low power consumption acquisition device is provided, where the low power consumption acquisition device includes a function module, a charge-discharge module, and a processor, where:
the function module comprises a sensor unit, a communication unit and a storage unit which are electrically connected with each other, wherein the sensor unit is used for collecting sensing data, the communication unit is used for transmitting the sensing data to the server, and the storage unit is used for storing the sensing data;
the charging and discharging module comprises a solar panel, a battery, a charging and discharging unit and a voltage conversion unit, the charging and discharging unit is electrically connected with the solar panel and the battery, and the charging and discharging unit is used for controlling the solar panel to charge the battery; the voltage conversion unit is electrically connected with the battery and is used for collecting the battery voltage value of the battery at regular time;
the processor is connected with the functional module, the charging and discharging unit and the voltage conversion unit, and is used for controlling the charging and discharging unit to be in an awakening state according to the current battery voltage value and controlling the functional module to be in an interrupt state, or controlling the charging and discharging unit to be in the interrupt state according to the current battery voltage value and controlling the functional module to be in a dormant state and to be in the awakening state within a preset time period.
The processor is a single chip microcomputer, the electronic switch is connected with the single chip microcomputer and controlled by the single chip microcomputer, the electronic switch controls the on-off of the power supply of each unit and controls the circuit of each unit, and the single chip microcomputer adopts a low-power-consumption working mechanism of dormancy interruption awakening and is used for collecting sensing data, collecting battery electric quantity, transmitting data and controlling the power consumption of low-power-consumption collecting equipment.
The low-power-consumption acquisition equipment provided by the embodiment of the invention is integrally designed, the integration level is high, each unit of the equipment is controlled by the electronic switch, in the operation process of the equipment, the relevant working units can be effectively started according to the actual working requirement, meanwhile, the equipment controls the electric quantity parameter of the battery in real time, and different acquisition methods can be selected to control the overall power consumption according to the electric quantity parameter.
In some embodiments, the sensor unit adopts a double-shaft tilt sensor, which can provide the detection parameter value of the tilt angle X, Y, and the double-shaft tilt sensor can measure more types of objects and more types of angles, thereby greatly improving the measurement efficiency.
In some embodiments, the low power consumption acquisition device further comprises a voltage-stabilized power supply, one end of the voltage-stabilized power supply is electrically connected with the processor through a primary electronic switch, the other end of the voltage-stabilized power supply is electrically connected with the communication unit and the sensor unit through a secondary electronic switch, the secondary electronic switch is further connected with the processor, the processor is connected with the electronic switch through the electronic switch and the single chip microcomputer to control the electronic switch to control the switch of each unit, wherein the communication unit and the sensor unit are divided into two-stage switches, the second-stage electronic switch is only effective under the condition that the first-stage electronic switch is turned on, the voltage-stabilized power supply provides stable voltage for the communication unit and the sensor unit behind the secondary electronic switch to work, and the stability and accuracy of sensing data and data uploading are ensured.
In some embodiments, the communication unit includes at least one of 4G, NB and LORA, which ensures stable data transmission, high transmission efficiency, and excellent power consumption control.
Referring to fig. 5, the present invention further provides a low power consumption acquisition method, including the following steps:
step S110, collecting the battery voltage value of the battery at regular time according to the voltage conversion unit;
step S120, switching any one of the following three control modes for control through a processor according to the current battery voltage value;
the first control mode: if the current battery voltage value is lower than the cut-off voltage, controlling the charging and discharging unit to be in an awakening state and controlling the functional module to be in an interruption state;
the second control mode: if the current battery voltage value is higher than the voltage threshold value, controlling the charging and discharging unit to be in an interruption state, controlling the functional module to be in a dormant state, controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point, and controlling the communication unit to be in the awakening state when the current time reaches a preset reporting time point;
the third control mode: and if the current battery voltage value is higher than the working voltage and lower than the voltage threshold, controlling the charging and discharging unit to be in an interruption state and the functional unit to be in a dormant state, and controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point.
The low-power-consumption acquisition method provided by the embodiment of the invention can effectively know the power supply condition of the equipment, and works in working modes with different power consumption under different electric quantity conditions, so that the equipment is ensured to keep low power consumption under the condition that the voltage of the battery is low, the battery is ensured to be timely restored to a normal working state under the condition of power feeding, meanwhile, the function of the equipment is also retained, the corresponding function is executed when the awakening time point of the function cycle is reached, and the smooth operation of the acquisition work is ensured.
In some embodiments, when the sensor unit and the storage unit are in an awake state, the size between the current sensing data acquired by the sensor unit and the reference value is judged, and if the current sensing data is larger than the reference value, the sensing data is stored in the storage unit; if the sensing data is smaller than or equal to the reference value, the sensor unit and the storage unit are controlled to be in a dormant state, the sensing data is stored or uploaded in the second mode and the third mode, the smooth operation of the low-power-consumption acquisition equipment is guaranteed, the reference value is updated in the second mode and the third mode, the acquired data is always kept at the latest data, the latest data can be obtained even if the equipment fails, and the equipment can quickly work after being recovered to be normal.
In some embodiments, if the current sensing data is greater than the reference value, the communication unit is controlled to be in the wake-up state, so that the communication unit transmits the current sensing data to the server, the sensing data is guaranteed to be uploaded to the server in time, and a high fault tolerance rate is achieved.
In some embodiments, the sensor unit automatically enters a dormant state after storing the sensing data, the communication unit automatically enters the dormant state after transmitting the sensing data to the server, the voltage conversion unit automatically enters the dormant state after acquiring the voltage value of the battery, and each unit automatically enters the dormant state after completing tasks, so that the stable operation of the work is ensured, the purpose of controlling the power consumption is achieved, the utilization efficiency of the low-power-consumption acquisition equipment on energy is improved, the working time is prolonged, and the energy loss of the low-power-consumption equipment is reduced to the minimum.
In some embodiments, when the voltage conversion unit collects the voltage value of the battery, the charging and discharging unit is in an interruption state, and after the voltage of the battery is stabilized, the voltage conversion unit starts to collect the voltage value of the battery, so that the collected voltage value of the battery is accurate each time, the processor judges the control mode accurately, and the misjudgment rate of the processor is reduced.
To facilitate understanding by those skilled in the art, referring to fig. 1 to 4, an embodiment of the present invention provides a low power consumption acquisition method, which includes the following steps:
step S210, the processor reads the voltage value of the battery, and if the voltage value is lower than a cut-off voltage value TH1, the device enters a charging mode;
step S211, if the voltage value is higher than the working voltage value TH2, starting the battery to discharge;
step S212, if the voltage value is higher than the working voltage value TH2 but lower than a voltage threshold TH3, the device enters an ultra-low power consumption mode;
in step S213, if the voltage value is higher than the working voltage value TH2 and higher than the voltage threshold TH3, the device enters the ultra-low power mode.
In the charging mode (the same as the first control mode provided in the above embodiment), the solar panel charges the battery through the charging/discharging unit and cuts off the other units. In an ultra-low power consumption mode (the same as the third control mode provided by the embodiment), the device is in a sleep state, all units are switched off, when a battery voltage acquisition period T3 and an ultra-low power consumption sensor acquisition period T2 arrive, the device is awakened to work, a voltage stabilizing power supply is started, a sensor unit or a voltage conversion unit is started according to requirements to respectively acquire sensing data or battery voltage parameters, the sensing data is compared with a reference value, if the sensing data exceeds the reference value, the RTC time of the single chip microcomputer is read, the time parameter and the sensing data are stored in a storage unit, the reference value is updated to be the current sensor value, and the battery voltage parameter judges the working mode. In the low power consumption mode (the same as the second control mode provided in the above embodiment), the device is in a sleep state, all units are switched off, and when the battery voltage acquisition period T3, the low power consumption sensor acquisition period T1, and the data reporting period T4 reach, the device is awakened to operate; if the acquisition period T1 of the low-power consumption sensor arrives, starting a voltage-stabilized power supply, starting a power supply of a sensor unit, acquiring sensing data, comparing the sensing data with a reference value, exceeding a threshold value, starting a communication unit, transmitting the sensing data, and updating the reference value; if the battery voltage acquisition period T3 arrives, starting the voltage conversion unit, reading the battery voltage value, and judging the working mode; and if the data reporting period T4 is reached, starting the communication unit and transmitting the sensing data.
According to the low-power-consumption acquisition method provided by the embodiment of the invention, the total power consumption of low-power-consumption equipment is effectively reduced, the monitoring data is timely transmitted to the server, the monitoring data can be ensured to be stored in the low-power-consumption equipment even in the severe environment of long-term rainy days, the monitoring work is ensured to be smoothly carried out, and the working cost of operation and maintenance personnel is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the embodiments, and those skilled in the art will understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A low power consumption acquisition device, comprising:
the functional module comprises a sensor unit, a communication unit and a storage unit which are electrically connected with each other, wherein the sensor unit is used for collecting sensing data, the communication unit is used for transmitting the sensing data to a server, and the storage unit is used for storing the sensing data;
the charging and discharging module comprises a solar panel, a battery, a charging and discharging unit and a voltage conversion unit, wherein the charging and discharging unit is electrically connected with the solar panel and the battery and is used for controlling the solar panel to charge the battery; the voltage conversion unit is electrically connected with the battery and is used for collecting the battery voltage value of the battery at regular time;
and the processor is used for controlling the charging and discharging unit to be in an awakening state according to the current battery voltage value and controlling the functional module to be in an interruption state, or controlling the charging and discharging unit to be in an interruption state according to the current battery voltage value and controlling the functional module to be in a dormant state and be in an awakening state within a preset time period.
2. The low-power consumption acquisition device according to claim 1, wherein the sensor unit employs a dual-axis tilt sensor.
3. The low-power consumption acquisition device according to claim 1, further comprising a regulated power supply, wherein one end of the regulated power supply is electrically connected to the processor through a primary electronic switch, the other end of the regulated power supply is electrically connected to the communication unit and the sensor unit through a secondary electronic switch, and the secondary electronic switch is further connected to the processor.
4. The low-power consumption acquisition device according to claim 1, wherein the processor is a single chip microcomputer, and the single chip microcomputer is controlled by an RTC interrupt wakeup mechanism or an external interrupt wakeup mechanism.
5. The low power consumption acquisition device of claim 1 wherein the communication unit comprises at least one of 4G, NB and LORA.
6. A low power consumption acquisition method applied to the low power consumption acquisition device of any one of claims 1 to 5, wherein the low power consumption acquisition method comprises the following steps:
collecting the battery voltage value of the battery at regular time according to the voltage conversion unit;
switching any one of the following three control modes for control according to the current battery voltage value through the processor;
the first control mode: if the current battery voltage value is lower than the cut-off voltage, controlling the charging and discharging unit to be in an awakening state, and controlling the functional module to be in an interruption state;
the second control mode: if the current battery voltage value is higher than the voltage threshold value, controlling the charging and discharging unit to be in an interruption state, controlling the functional module to be in a dormant state, controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point, and controlling the communication unit to be in an awakening state when the current time reaches a preset reporting time point;
the third control mode: and if the current battery voltage value is higher than the working voltage and lower than the voltage threshold value, controlling the charging and discharging unit to be in an interruption state and the functional unit to be in a dormant state, and controlling the sensor unit and the storage unit to be in an awakening state when the current time reaches a preset sampling time point.
7. The low power consumption acquisition method according to claim 6, further comprising the steps of:
if the sensor unit and the storage unit are in an awakening state, the processor judges the size between the current sensing data acquired by the sensor unit and a reference value, and if the current sensing data is larger than the reference value, the sensing data is stored in the storage unit; and if the sensing data is less than or equal to the reference value, controlling the sensor unit and the storage unit to be in a dormant state.
8. The low power consumption acquisition method according to claim 7, further comprising the steps of:
and if the current sensing data is larger than the reference value, the processor controls the communication unit to be in an awakening state so that the communication unit transmits the current sensing data to a server.
9. The low power consumption acquisition method according to claim 8, further comprising the steps of:
the processor controls the sensor unit to be in a dormant state after the sensor unit stores the sensing data, the communication unit to be in the dormant state after the sensing data is transmitted to the server, and the voltage conversion unit to be in the dormant state after the voltage value of the battery is collected.
10. The low power consumption collection method according to claim 6, further comprising, before the voltage conversion unit collects the battery voltage value, the steps of:
the processor controls the charging and discharging unit to be in an interruption state and waits for the voltage of the battery to be stable.
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