CN215813413U - Rainfall metering device - Google Patents
Rainfall metering device Download PDFInfo
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- CN215813413U CN215813413U CN202122024698.9U CN202122024698U CN215813413U CN 215813413 U CN215813413 U CN 215813413U CN 202122024698 U CN202122024698 U CN 202122024698U CN 215813413 U CN215813413 U CN 215813413U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a rainfall metering device which comprises a trigger assembly, a Bluetooth circuit, a control circuit and a switch circuit, wherein the trigger assembly is used for outputting a corresponding trigger signal when triggered by a user, the Bluetooth circuit is used for being in Bluetooth communication connection with an external terminal, the control circuit is respectively electrically connected with the trigger assembly and the Bluetooth circuit, the input end of the switch circuit is connected with a power supply end, the output end of the switch circuit is connected with the power supply end of the Bluetooth circuit, and the controlled end of the switch circuit is electrically connected with the control circuit.
Description
Technical Field
The utility model relates to the technical field of rainfall measurement, in particular to a rainfall metering device.
Background
The rainfall metering device is an instrument used by meteorologists and hydrologists for measuring the rainfall amount of a certain area within a period of time, can accurately record the rainfall amount per minute, and timely and accurately conveys the recorded data to a cloud server for workers to call and check, so that the rainfall amount is monitored in real time. The rainfall metering device is an unmanned fully-automatic rainfall recording instrument. However, the power consumption of the existing rainfall metering device is large in the using process, the service life of the rainfall metering device is influenced, the rainfall metering device needs to be charged frequently, and the rainfall metering device is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a rainfall metering device, and aims to solve the problem that the rainfall metering device in the prior art is high in power consumption.
In order to achieve the above purpose, the utility model provides a rainfall metering device, which comprises a trigger assembly, a bluetooth circuit, a control circuit and a switch circuit. The trigger assembly is used for outputting a corresponding trigger signal when being triggered by a user; the Bluetooth circuit is used for Bluetooth communication connection with an external terminal; the control circuit is electrically connected with the trigger assembly and the Bluetooth circuit respectively; the input end of the switch circuit is connected with a power supply end, the output end of the switch circuit is connected with the power supply end of the Bluetooth circuit, and the controlled end of the switch circuit is electrically connected with the control circuit;
the control circuit is used for controlling the switch circuit to conduct a path between the power supply end and the power supply end of the Bluetooth circuit and controlling the Bluetooth circuit to establish communication connection with the external terminal when determining that the user needs to configure parameters for the rainfall metering device according to the trigger signal;
and the control circuit is further used for controlling the switch circuit to disconnect the path between the power supply end and the power supply end of the Bluetooth circuit to stop the Bluetooth circuit from working when determining that the user does not need to configure parameters for the rainfall metering device according to the trigger signal.
Optionally, the control circuitry includes a master controller, which is STM32L151RCT 6.
Optionally, the trigger assembly includes a reed switch and a first resistor, one end of the reed switch is grounded, the other end of the reed switch is electrically connected to the second end of the first resistor and the control circuit, respectively, and the second end of the first resistor is connected to the power supply end.
Optionally, the rainfall metering device further comprises a rainfall sensor electrically connected with the control circuit;
the rainfall sensor is used for collecting rainfall and outputting a rainfall detection signal when the rainfall with the preset rainfall is collected;
the control circuit is used for determining rainfall according to the rainfall detection signals.
Optionally, the rainfall metering device further comprises a communication module, and the communication module is electrically connected with the control circuit;
the communication module is used for being in communication connection with the cloud server;
the control circuit is further configured to determine a rainfall according to the plurality of rainfall detection signals, and output a corresponding rainfall signal to the cloud server through the communication module.
Optionally, the communication module is an NB-loT communication module.
Optionally, the rainfall metering device further comprises a battery and a power management circuit, and an output end of the battery is the power supply end;
the input end of the power management circuit is connected with the output end of the battery, and the output end of the power management circuit is respectively and electrically connected with the power end of the control circuit, the power end of the Bluetooth circuit and the power end of the communication module;
the power management circuit is used for converting the voltage of the battery connected with the power end and outputting the converted voltage to the power end of the control circuit, the power end of the Bluetooth circuit and the power end of the communication module so as to provide working voltages for the control circuit, the Bluetooth circuit and the communication module.
Optionally, the rainfall metering device further comprises a solar panel and a solar charging management circuit, an input end of the solar charging management circuit is electrically connected with the solar panel, and an output end of the solar charging management circuit is electrically connected with the battery;
the solar charging management circuit is used for detecting the voltage of the battery, conducting a path between the solar panel and the battery when the voltage of the battery is lower than a preset charging voltage, and converting the voltage output by the solar panel and outputting the converted voltage to the battery to charge the battery.
Optionally, the rainfall metering device further comprises a housing, a circuit board; the circuit board set up in the casing, trigger the subassembly, bluetooth circuit, control circuit, switching circuit, the communication module, power management circuit, solar charging management circuit set up in on the circuit board.
According to the technical scheme, when the trigger assembly is triggered by a user, a corresponding trigger signal is output, and when the control circuit determines that the user needs to use the rainfall metering device according to the trigger signal, the control switch circuit is used for conducting a path between a power supply end and a power supply end of the Bluetooth circuit and controlling the Bluetooth circuit to establish communication connection with an external terminal; when the user does not need to use the rainfall metering device, the control circuit can also control the switch circuit to disconnect the passage between the power supply end and the power supply end of the Bluetooth circuit according to the trigger signal so as to stop the work of the Bluetooth circuit. The bluetooth circuit that traditional rainfall metering device set up is usually in the state of opening for a long time, and rainfall metering device consumption is more serious in this state. According to the technical scheme, the Bluetooth circuit in the rainfall metering device is turned on when the rainfall metering device is used and turned off when the rainfall metering device is not used, so that the power consumption of the rainfall metering device can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic block diagram of a rainfall metering device according to the present invention;
FIG. 2 is a schematic block diagram of a rainfall metering device according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of another embodiment of the rainfall metering device of the present invention;
FIG. 4 is a schematic block diagram of a rainfall metering device according to yet another embodiment of the present invention;
FIG. 5 is a schematic view of a part of the structure of the rainfall metering device of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of the rainfall metering device.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an embodiment of a rainfall metering device, which can be used for measuring the rainfall of a certain area within a period of time, accurately recording the rainfall per minute, timely and accurately conveying the recorded data to a cloud server for a worker to call and check, and realizing real-time monitoring on the rainfall.
Referring to fig. 1 and 6, in an embodiment of the present invention, the rainfall metering device includes a trigger assembly 11, a bluetooth circuit 12, a control circuit 13 and a switch circuit 14. The trigger component 11 is used for outputting a corresponding trigger signal when triggered by a user; the Bluetooth circuit 12 is used for Bluetooth communication connection with an external terminal; the control circuit 13 is respectively electrically connected with the trigger component 11 and the Bluetooth circuit 12; the input end of the switch circuit 14 is connected with a power supply end, the output end of the switch circuit 14 is connected with a power supply end of the Bluetooth circuit 12, and the controlled end of the switch circuit 14 is electrically connected with the control circuit 13;
the control circuit 13 is used for controlling the switch circuit 14 to conduct a path between a power end and a power end of the bluetooth circuit 12 and controlling the bluetooth circuit 12 to establish communication connection with an external terminal when determining that the user needs to configure parameters for the rainfall metering device according to the trigger signal;
and the control circuit 13 is further configured to, when it is determined that the user does not need to configure the parameter for the rainfall metering device according to the trigger signal, control the switch circuit 14 to disconnect the path between the power supply terminal and the power supply terminal of the bluetooth circuit 12, so as to stop the bluetooth circuit 12 from operating.
Specifically, the triggering component 11 may be a key, a touch display screen, a magnet, etc., and when the user needs to open the bluetooth circuit 12, the user may trigger the triggering component 11 to enable the triggering component 11 to output a corresponding output signal. In this embodiment, the control circuit 13 may be implemented by a main controller, such as an MCU (micro controller unit), a DSP (Digital Signal processing chip), an FPGA (Field Programmable Gate Array), and the like, and in actual use, an appropriate chip may be selected according to actual requirements, which is not limited herein. When the control circuit 13 contacts the trigger signal, it may output a corresponding switching signal to the switching circuit 14, and the switching circuit 14 may be implemented by using a switching device such as a relay, an MOS transistor, or a triode. At this time, the switch circuit 14 is in a closed state under the control of the control circuit 13, thereby conducting a path between the power supply terminal and the power supply terminal of the bluetooth circuit 12, so that the bluetooth circuit 12 starts to operate, and establishes a communication connection with an external terminal. The external terminal can be a mobile phone, a user can set and debug the parameters of the rainfall metering device through the mobile phone, when the user finishes using, the user can trigger the trigger assembly 11 again to enable the trigger assembly 11 to stop outputting the trigger signal, further the control circuit 13 determines that the user is not using the Bluetooth device according to the trigger signal, and controls the switch circuit 14 to break the path between the power supply end and the power supply end of the Bluetooth circuit 12 to stop the Bluetooth circuit 12 from working, so that the power consumption of the rainfall metering device can be reduced.
The technical scheme of the utility model comprises a trigger component 11, a Bluetooth circuit 12, a control circuit 13 and a switch circuit 14. When the trigger component 11 is triggered by a user, a corresponding trigger signal is output, and when the control circuit 13 determines that the user needs to use the rainfall metering device according to the trigger signal, the control switch circuit 14 switches on a path between a power supply end and a power supply end of the Bluetooth circuit 12, and controls the Bluetooth circuit 12 to establish communication connection with an external terminal; when the user does not need to use the rainfall metering device, the control circuit 13 may further control the switch circuit 14 to disconnect the path between the power source terminal and the power source terminal of the bluetooth circuit 12 according to the trigger signal, so as to stop the bluetooth circuit 12 from operating. The bluetooth circuit that traditional rainfall metering device set up is usually in the state of opening for a long time, and rainfall metering device consumption is more serious in this state. According to the technical scheme, the Bluetooth circuit 12 in the rainfall metering device is turned on when the rainfall metering device is used and turned off when the rainfall metering device is not used, so that the power consumption of the rainfall metering device can be reduced.
In one embodiment, the master controller is STM32L151RCT 6. Specifically, the STM32L151RCT6 chip has the characteristics of high performance, low cost, low power consumption and the like, and can further reduce the power consumption of the rainfall metering device during sleep, standby and operation.
Referring to fig. 2, in an embodiment, the trigger assembly 11 includes a reed switch 111 and a first resistor 112, one end of the reed switch 111 is grounded, the other end of the reed switch 111 is electrically connected to the second end of the first resistor 112 and the control circuit 13, respectively, and the second end of the first resistor 112 is connected to a power source.
Specifically, when the user is on the spot and the magnet or other conducting parts are close to the trigger assembly 11, the trigger assembly 11 is the reed pipe 111, the reed pipe 111 reaches the threshold value of the magnetic field intensity closure of the reed pipe 111 due to the magnetic induction intensity of the magnet, so the reed pipe 111 is closed, the trigger assembly outputs a corresponding output signal to open the bluetooth module, and the user establishes communication connection with the bluetooth module through a mobile phone, so that the rainfall metering device is debugged, parameters are modified and the like. After the user finishes modifying, the magnet or other conducting parts close to the trigger assembly 11 are removed, the trigger assembly 11 is triggered again to enable the trigger assembly 11 to stop outputting the trigger signal, then the control circuit 13 determines that the user is not using the bluetooth device according to the trigger signal, and controls the switch circuit 14 to cut off the path between the power end of the bluetooth device and the power end of the bluetooth circuit 12 to stop the bluetooth circuit 12 from working, so that the power consumption of the rainfall metering device can be reduced. In such a mode, a user adopts near-field Bluetooth wireless communication on site, parameter setting and debugging are carried out through a mobile phone, equipment does not need to be opened or a communication line does not need to be connected, and the use of the user is further facilitated.
Referring to fig. 3, in an embodiment, the rainfall metering device further includes a rainfall sensor 20, and the rainfall sensor 20 is electrically connected to the control circuit 13;
the rainfall sensor 20 is used for collecting rainfall and outputting a rainfall detection signal every time rainfall with a preset rainfall is collected;
and a control circuit 13 for determining the amount of rainfall according to the plurality of rainfall detection signals.
Specifically, the rainfall sensor 20 is composed of a water receiver, a funnel, a tipping bucket, a dry reed switch, etc., when rainwater enters the water receiver from a water receiving opening at the top end, the rainwater falls into the water receiving funnel and flows into the tipping bucket through a funnel opening, and when the accumulated water amount reaches a certain height (for example, 0.1mm), the tipping bucket is out of balance to dump. And each time the tipping bucket topples, the switch is switched on, a pulse signal is transmitted to the master control, the master control records the rainfall, and the rainfall process can be measured in such a reciprocating way.
Referring to fig. 5, in an embodiment, the rainfall metering device further includes a communication module 15, and the communication module 15 is electrically connected to the control circuit 13;
the communication module 15 is used for being in communication connection with the cloud server;
the control circuit 13 is further configured to determine a rainfall amount according to the plurality of rainfall detection signals, and output a corresponding rainfall amount signal to the cloud server through the communication module 15.
Specifically, when rainfall metering device detected the rainfall, can handle the back and transmit the cloud server through communication module 15 to the data that detect, the user can transfer the rainfall data that receive in the cloud server and look over through electronic terminal in long-range, has avoided the user to go the scene and has looked over the rainfall data, has further improved efficiency, and convenience of customers uses.
Further, the communication module 15 is an NB-loT communication module. Specifically, the NB-loT communication module has the advantages of low power consumption, wide coverage, low cost, large capacity and the like, can reduce the cost of the rainfall metering device, can also reduce the requirement of the rainfall metering device on the signal quality, and can also reduce the power consumption of the rainfall metering device and prolong the standby time of the rainfall metering device.
Referring to fig. 5, in an embodiment, the rainfall metering device further includes a battery 30 and a power management circuit 16, wherein an output terminal of the battery 30 is a power supply terminal;
the input end of the power management circuit 16 is connected with the output end of the battery 30, and the output end of the power management circuit 16 is respectively and electrically connected with the power end of the control circuit 13, the power end of the Bluetooth circuit 12 and the power end of the communication module 15;
and the power management circuit 16 is configured to convert the voltage of the battery 30 connected to the power terminal and output the converted voltage to the power terminal of the control circuit 13, the power terminal of the bluetooth circuit 12, and the power terminal of the communication module 15, so as to provide working voltages for the control circuit 13, the bluetooth circuit 12, and the communication module 15.
Specifically, in this embodiment, the power management circuit 16 may be implemented by a DC-DC circuit and an LDO circuit, for example, the LDO may perform step down conversion on the direct current output by the battery and then output a voltage suitable for the bluetooth circuit 12 and the control circuit 13 to work, such as a 5V voltage, and a developer may select LDOs with different parameters according to specifications of the LDO, thereby automatically setting a suitable working voltage value.
Referring to fig. 4 and 5, in an embodiment, the rainfall metering device further includes a solar panel 40 and a solar charging management circuit 17, an input end of the solar charging management circuit 17 is electrically connected to the solar panel 40, and an output end of the solar charging management circuit 17 is electrically connected to the battery 30;
the solar charging management circuit 17 is configured to detect a voltage of the battery 30, switch on a path between the solar panel 40 and the battery 30 when it is determined that the voltage of the battery 30 is lower than a preset charging voltage, and output the voltage output by the solar panel 40 to the battery 30 after voltage conversion to charge the battery 30.
Specifically, the solar charging management circuit 17 adopts a CN3791 circuit, and the CN3791 has trickle, constant-current and constant-voltage charging modes, which is very suitable for the charging management of the lithium battery. In the constant voltage charging mode, CN3791 modulates the battery voltage at 4.2V; in the constant current charging mode, the charging current is set by an external resistor. When the current output capability of the input power supply is reduced, the internal circuit can automatically track the maximum power point of the solar panel, a user does not need to consider the worst case, the output power of the solar panel can be utilized to the maximum extent, and the solar panel power supply circuit is very suitable for application of utilizing the solar panel to supply power.
For deeply discharged lithium batteries, CN3791 trickle charges the battery with 17.5% of the set constant current charging current when the battery voltage is lower than 66.5% (typical value) of the constant voltage charging voltage. During the constant voltage charging phase, the charging current is gradually reduced, and when the charging current is reduced to 16% of the constant current charging current, the charging is finished. In the end-of-charge state, if the battery voltage drops to 95.5% of the constant voltage charging voltage, a new charging cycle is automatically started.
Referring to fig. 5, in an embodiment, the rainfall metering device further includes a housing 50, a circuit board 10; the circuit board 10 is disposed in the casing 50, and the trigger assembly 11, the bluetooth circuit 12, the control circuit 13, the switch circuit 14, the communication module 15, the power management circuit 16, and the solar charging management circuit 17 are disposed on the circuit board 10.
Specifically, the material of the housing 50 is hard material, and as for the type of hard material, hard material such as ABS, HIPS, PP, PC, etc., or metal or alloy material, etc., is not particularly limited. The circuit board 10 is mounted within a housing, and the battery 30 is also mounted within the housing, with the circuit board 10 being disposed adjacent to the battery 30.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A rainfall gauging device, wherein said rainfall gauging device comprises:
the trigger assembly is used for outputting a corresponding trigger signal when being triggered by a user;
the Bluetooth circuit is used for being in Bluetooth communication connection with an external terminal;
the control circuit is electrically connected with the trigger assembly and the Bluetooth circuit respectively;
the input end of the switch circuit is connected with a power supply end, the output end of the switch circuit is connected with the power supply end of the Bluetooth circuit, and the controlled end of the switch circuit is electrically connected with the control circuit;
the control circuit is used for controlling the switch circuit to conduct a path between the power supply end and the power supply end of the Bluetooth circuit and controlling the Bluetooth circuit to establish communication connection with the external terminal when determining that the user needs to configure parameters for the rainfall metering device according to the trigger signal;
and the control circuit is further used for controlling the switch circuit to disconnect the path between the power supply end and the power supply end of the Bluetooth circuit to stop the Bluetooth circuit from working when determining that the user does not need to configure parameters for the rainfall metering device according to the trigger signal.
2. The rainfall metering device of claim 1, the control circuit comprising a master controller being STM32L151RCT 6.
3. The rainfall metering device according to claim 1, wherein the trigger assembly comprises a reed switch and a first resistor, one end of the reed switch is grounded, the other end of the reed switch is electrically connected with the second end of the first resistor and the control circuit respectively, and the second end of the first resistor is connected with the power supply end.
4. The rainfall metering device of claim 1, further comprising a rainfall sensor electrically connected to the control circuit;
the rainfall sensor is used for collecting rainfall and outputting a rainfall detection signal when the rainfall with the preset rainfall is collected;
the control circuit is used for determining rainfall according to the rainfall detection signals.
5. The rainfall metering device of claim 4, further comprising a communication module electrically connected to the control circuit;
the communication module is used for being in communication connection with the cloud server;
the control circuit is further configured to determine a rainfall according to the plurality of rainfall detection signals, and output a corresponding rainfall signal to the cloud server through the communication module.
6. The rainfall metering device of claim 5, wherein the communication module is an NB-loT communication module.
7. The rainfall metering device of claim 5, further comprising a battery and a power management circuit, an output of said battery being said power supply terminal;
the input end of the power management circuit is connected with the output end of the battery, and the output end of the power management circuit is respectively and electrically connected with the power end of the control circuit, the power end of the Bluetooth circuit and the power end of the communication module;
the power management circuit is used for converting the voltage of the battery connected with the power end and outputting the converted voltage to the power end of the control circuit, the power end of the Bluetooth circuit and the power end of the communication module so as to provide working voltages for the control circuit, the Bluetooth circuit and the communication module.
8. The rainfall metering device of claim 7 further comprising a solar panel and a solar charging management circuit, an input of said solar charging management circuit being electrically connected to said solar panel and an output of said solar charging management circuit being electrically connected to said battery;
the solar charging management circuit is used for detecting the voltage of the battery, conducting a path between the solar panel and the battery when the voltage of the battery is lower than a preset charging voltage, and converting the voltage output by the solar panel and outputting the converted voltage to the battery to charge the battery.
9. The rainfall gauging device of claim 8 further comprising a housing, a circuit board; the circuit board set up in the casing, trigger the subassembly, bluetooth circuit, control circuit, switching circuit, the communication module, power management circuit, solar charging management circuit set up in on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122024698.9U CN215813413U (en) | 2021-08-26 | 2021-08-26 | Rainfall metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122024698.9U CN215813413U (en) | 2021-08-26 | 2021-08-26 | Rainfall metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215813413U true CN215813413U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122024698.9U Active CN215813413U (en) | 2021-08-26 | 2021-08-26 | Rainfall metering device |
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| Country | Link |
|---|---|
| CN (1) | CN215813413U (en) |
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2021
- 2021-08-26 CN CN202122024698.9U patent/CN215813413U/en active Active
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