CN215067383U

CN215067383U - Outdoor air temperature and humidity and rainfall sensor

Info

Publication number: CN215067383U
Application number: CN202121557389.1U
Authority: CN
Inventors: 周喜梅; 徐言山
Original assignee: Shanghai Jingxuan Industrial Co ltd
Current assignee: Shanghai Jingxuan Industrial Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-07
Anticipated expiration: 2031-07-09

Abstract

A sensor for outdoor air temperature, humidity and rainfall comprises a solar cell panel, a storage battery, a power switch, a single chip microcomputer module, a GPRS module, a temperature and humidity detector body and a rainwater collection mechanism; the rainwater collecting mechanism comprises an outer cup, a measuring cup, a force-sensitive resistor, a time control switch and an electromagnetic valve; the force-sensitive resistor is arranged at the inner lower part of the outer cup, the outer cup is arranged at the side end of the solar cell panel, the measuring cup is arranged at the inner lower end of the outer cup, and one end of the electromagnetic valve is connected with one side of the lower end of the measuring cup; the storage battery, the power switch, the single chip microcomputer module, the GPRS module and the time control switch are installed in the element box and electrically connected with the electromagnetic valve and the solar battery. This novel humiture data and rainfall data that can gather the scene in real time have played powerful technical support for the user masters scene humiture and rainfall data. This is novel need not the staff to the scene and operates, has brought the facility for the staff, and has reduced relevant side's labour cost expenditure.

Description

Outdoor air temperature and humidity and rainfall sensor

Technical Field

The utility model relates to a check out test set technical field, especially a be used for outdoor air temperature and humidity and rainfall sensor.

Background

The temperature and humidity detection device applied to the outdoor is equipment widely used in meteorological departments, production departments, agricultural departments and the like, and has the main functions of detecting temperature and humidity data of a target area, inputting temperature and humidity data signals for the equipment based on temperature and humidity control, and further achieving the purpose of intelligent control and the like. In practical situations, some target areas need to detect temperature and humidity data and rainfall data of the target areas (such as a meteorological department), and therefore rainfall detection equipment is installed on site.

The existing outdoor rainfall detection equipment generally adopts a structure that rainfall data of a target area in unit time is collected through a measuring cup with a scale value. The rainwater quantity is detected by adopting a measuring cup mode and the like, so that a worker is required to observe scale values of the measuring cup and the like on site after a certain time, and the rainwater collected in the measuring cup at last time is poured away by the worker for next normal use. The operation is performed on site by workers, which causes inconvenience to the workers and increases the labor cost of the related management party. Based on the above, a sensor which has functions of temperature, humidity and rainfall acquisition and does not need to be operated by a worker on site is particularly necessary.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the scale values of the measuring cup and the like are required to be observed on site by a worker after a certain time, and the rainwater collected in the measuring cup last time is poured, so that the inconvenience is brought to the worker and the labor cost of a related manager is increased in the prior outdoor rainfall detection equipment, the utility model provides a temperature and humidity detector body and the like, which is more convenient and energy-saving to use and is based on the solar cell power supply, the system can collect the data of temperature, humidity and rainfall on site in real time and remotely transmit the data through the GPRS module, thereby playing a powerful technical support for a user to master the data of the temperature, humidity and rainfall on site through the application in a smart phone or a PC based on the existing mature wireless data transceiving technology, and the outdoor air temperature and humidity and rainfall sensor does not need to be operated on site by workers, brings convenience to the workers and reduces the labor cost of related parties.

The utility model provides a technical scheme that its technical problem adopted is:

a sensor for outdoor air temperature, humidity and rainfall comprises a solar cell panel, a storage battery, a power switch, a single chip microcomputer module, a GPRS module and a temperature and humidity detector body, and is characterized by further comprising a rainwater collection mechanism; the rainwater collecting mechanism comprises an outer cup, a measuring cup, a force-sensitive resistor, a time control switch and an electromagnetic valve; the force-sensitive resistor is arranged at the inner lower part of the outer cup, the outer cup is arranged at the side end of the solar cell panel, the measuring cup is arranged at the inner lower end of the outer cup, and one end of the electromagnetic valve is connected with one side of the lower end of the measuring cup; the storage battery, the power switch, the single chip microcomputer module, the GPRS module and the time control switch are arranged in the element box; the power output end of the time control switch is electrically connected with the power input ends of the electromagnetic valves respectively, the signal output ends of the force sensitive resistor, the temperature and humidity detector body are electrically connected with the signal input ends of the single chip microcomputer module respectively, and the signal input end of the GPRS module is electrically connected with the signal output end of the single chip microcomputer module.

Further, the outer diameter of the outer cup is larger than that of the measuring cup.

Furthermore, the model of the main control chip of the single chip microcomputer module is STC12C5A60S2, and a plurality of signal input ports of the single chip microcomputer are respectively connected with a sampling resistor in series.

Further, the valve core of the electromagnetic valve is normally closed.

Furthermore, the time control switch is a full-automatic microcomputer time control switch.

Further, the temperature and humidity detector body is a temperature and humidity transmitter.

The utility model has the advantages that: this is novel based on humiture detector body etc. adopts solar cell power supply, need not erect the power supply line, and it is more convenient and energy-conserving to use. In application, the temperature and humidity detector body can acquire field temperature and humidity data in real time, the rain water acquisition mechanism can acquire field rainfall data in real time, after analog-to-digital conversion is carried out on various data by the singlechip module, the wireless mobile network-based intelligent temperature and humidity monitoring system has the advantages that the GPRS module is used for sending data through a wireless mobile network, powerful technical support is provided for a user to master field temperature and humidity and rainfall data through application in a smart phone or a PC based on the existing mature wireless data receiving and sending technology (in the prior art, a single chip microcomputer module converts input multi-channel analog voltage signals into digital signals, then the data signals are sent through the GPRS module, the wireless data signals are received through related application of the smart phone or the PC, then various field data are displayed through a display interface of the smart phone or the PC in a waveform diagram or digital mode, and the wireless mobile network-based intelligent temperature and humidity monitoring system is a widely and mature technology used in the existing Internet of things technology and the like). This novel certain period of time control switch can the automatic control solenoid valve work of receiving electricity, and then with the interior rainwater flare-out of graduated flask, for the next normal use measurement rainfall amount of having prepared. This is novel need not the staff to the scene and operates, has brought the facility for the staff, and has reduced relevant side's labour cost expenditure. Based on the above, so the utility model discloses good application prospect has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure and a local enlarged structure of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1 and 2, the sensor for outdoor air temperature, humidity and rainfall comprises a solar cell panel G1, a storage battery G2, a power switch S1, a single chip microcomputer module a2, a GPRS module A3 and a temperature and humidity detector body a1, wherein the solar cell panel a1 is mounted on a support frame 1, the support frame 1 is mounted outdoors and is also provided with a rainwater collection mechanism; the rainwater collection mechanism comprises a metal (stainless steel) outer cup 2 with an open upper end and a plurality of drain holes at a lower end, a measuring cup 3 (glass) with an open upper end and a closed lower end and with scale values, a force-sensitive resistor RT, a time control switch A4 and an electromagnetic valve DC; the force-sensitive resistor RT is arranged on a circuit board, the lower end of the circuit board is connected to the inner lower middle part of the outer cup 2 by glue, the upper end of a strain gauge of the force-sensitive resistor RT is connected with a sealing rubber mat by glue, the strain gauge of the force-sensitive resistor RT is positioned at the upper end of the inner lower middle part of the outer cup 2, a support rod 4 is transversely welded at the right side end of the support frame 1, the left lower end of the outer cup 2 is welded at the right end of the support rod 4, a connecting pipe 31 communicated with the inner part of the measuring cup is vertically glued at the right part of the lower end of the measuring cup 3, the measuring cup 3 is placed at the inner lower end of the outer cup, the lower part of the measuring cup is positioned at the upper end of the strain gauge of the force-sensitive resistor RT, the connecting pipe 31 is led out from an opening at the right lower end of the outer cup 2 and positioned at the right lower end of the outer cup 2, and the lower end of the electromagnetic valve DC is connected with the lower end of the connecting pipe 31 by screw threads; the storage battery G2, the power switch S1, the single-chip microcomputer module A2, the GPRS module A3 and the time control switch A4 are mounted on a circuit board in the element box 5, and the temperature and humidity detector body A1 and the element box 5 are mounted at the front upper end of the support frame 4 through screw nuts.

As shown in figures 1 and 2, the outer cup 2 is positioned at the right outer side end of the solar cell panel G1, rainwater can enter the measuring cup 3, and the outer diameter of the outer cup 2 is 1 cm larger than that of the measuring cup 3. The model G1 of the solar panel is 12V/20W (the actual output voltage is higher than 12V, so as to be beneficial to charging a 12V storage battery); the model number of the storage battery G2 is 12V/200W (lithium storage battery); the power switch S1 is a toggle power switch (the operating handle is located outside the opening at the front end of the component box 5). The single chip microcomputer module A2 is a finished single chip microcomputer module with a master control chip model of STC12C5A60S2, three analog

signal access ends

1, 2 and 3 pins are arranged on the finished single chip microcomputer module A2, an RS485 data output port is arranged on the finished single chip microcomputer module A2, and three signal input ports of the single chip microcomputer A1 are respectively connected in series with a sampling resistor R1, a sampling resistor R2 and a sampling resistor R3; the GPRS module finished product A3 is ZLAN8100, and the GPRS module finished product A3 is provided with an RS485 data input port. The electromagnetic valve DC is a finished product of the electromagnetic valve with working voltage of direct current 12V and normally closed valve core. The time control switch A4 is a full-automatic microcomputer time control switch product with model KG316T, the microcomputer time control switch has a liquid crystal display, seven keys of cancel/restore, time correction, week correction, automatic/manual, timing and clock, two power input ends 1, 2 feet, two power output ends 3, 4 feet, before application, a user respectively presses and operates seven keys, the interval time of the two power output ends for outputting power and the time for outputting power can be set, after one time of setting, the power failure can not cause the change of the set power output time as long as the next key setting is not performed. The temperature and humidity detector body A1 is a temperature and humidity transmitter body of model RS-WS-N01-2, and is provided with two power input ends 1 and 2 pins and two

signal output ends

3 and 4 pins, wherein the two signal output ends 3 and 4 pins can output analog voltage signals which dynamically change between 0V and 5V along with different temperature and humidity of a monitoring area in application.

As shown in fig. 1 and 2, two poles of a solar cell panel G1 and two poles of a storage battery G2 are respectively connected by leads, the positive pole of the storage battery G1 is connected with one end of a power switch S1 by leads, the other end of the power switch S1, the negative pole of the storage battery G2, two ends 1 and 2 of a power input end of a temperature and humidity detector body a1, two

ends

4 and 5 of a power input end of a single chip module a2, two ends 1 and 2 of a power input end of a GPRS module A3, and two ends 1 and 2 of a power input end of a time control switch a4 are respectively connected by leads. The power output end 3 and the 4 pins of the time control switch A4 are respectively connected with the two power input ends of the electromagnetic valve DC through leads, the anode of the storage battery G2 is connected with one end of the force sensitive resistor RT through leads through a power switch S1, and the other end of the force sensitive resistor RT, the signal output end of the temperature and humidity detector body A1 and the other end of the signal input end resistors R1, R2 and R3 of the singlechip module A2 are respectively connected through leads. The signal input end of the GPRS module A3 is connected with the signal output end of the singlechip module A2 through an RS485 data line.

Fig. 1, 2 show, this novel solar cell G1 power supply that adopts need not erect the power supply line, and it is more convenient and energy-conserving to use, and solar cell panel G1 receives the illumination and produces the electric energy and charge for battery G2, has guaranteed this novel cloudy rainy day and evening homoenergetic normal use. After a power supply output by the storage battery G2 enters two power supply input ends of the temperature and humidity detector body A1, the single-chip microcomputer module A2, the GPRS module A3 and the time control switch A4, the temperature and humidity detector body A1, the single-chip microcomputer module A2, the GPRS module A3 and the time control switch A4 are in an electrified working state (meanwhile, the positive pole of a 12V power supply enters one end of a force-sensitive resistor RT). After the temperature and humidity detector body A1 is powered on to work, along with the difference of the temperature and humidity of a monitoring area, the

pins

3 and 4 of the two signal output ends can output analog voltage signals which dynamically change between 0V and 5V, and the dynamically changing voltage signals are respectively subjected to voltage reduction and current limiting through the resistors R2 and R3 and enter the

pins

2 and 3 of the singlechip module A2. Rainwater can enter the measuring cup 3 during raining, the weight at the lower end of the measuring cup 3 acts on the strain gauge of the force-sensitive resistor RT, the larger the rainfall is, the larger the gravity borne by the force-sensitive resistor RT strain gauge is, so that the higher the voltage of an analog voltage signal entering the single chip microcomputer module after the 12V power supply anode is subjected to voltage reduction and current limitation through the resistor R1 and the force-sensitive resistor RT (entering the 1 foot of the single chip microcomputer module A2), the smaller the rainfall is, the smaller the gravity borne by the force-sensitive resistor RT strain gauge is, and the lower the voltage of the analog voltage signal entering the single chip microcomputer module after the 12V power supply anode is subjected to voltage reduction and current limitation through the resistor R1 and the force-sensitive resistor RT is. After the temperature and humidity detector body and the force sensitive resistor output dynamic change analog voltage signals to enter the

signal input ends

1, 2 and 3 of the single chip microcomputer module A2, the single chip microcomputer module A2 converts the dynamic change analog voltage signals into digital signals under the action of an internal circuit thereof and outputs the digital signals to the signal input end of the GPRS module A3. The GPRS module A3 sends the dynamic change digital signal out through the wireless mobile network. The manager who establishes the connection with GPRS module A3, based on current mature wireless data receiving and dispatching technique, through the application in smart mobile phone or PC, master scene humiture and rainfall data and played powerful technical support (in the prior art, single-chip module will input multichannel analog voltage signal conversion to digital signal, then send data signal through GPRS module, receive wireless data signal through smart mobile phone or PC relevant application, then through smart mobile phone or PC display interface through oscillogram or digital mode various data in the scene, be the technology that uses comparatively extensively and mature in current internet of things etc.). The display interface displays that the higher the rainfall oscillogram or the larger the number of the rainfall oscillogram represents that the rainfall on site is larger (the oscillogram is the lowest, when the number is the smallest, the situation that the rainfall on site is not rainfall is prompted, and the rainfall on site is increased by one magnitude when the oscillogram or the number is increased by one magnitude, otherwise, the rainfall on site is decreased); the higher the waveform diagram of the temperature and the humidity or the larger the number of the temperature and the humidity on the display interface represents that the temperature and the humidity on the spot are larger (each magnitude of increase of the waveform diagram or the number represents that the temperature and the humidity on the spot are increased by one magnitude, and vice versa). Under the action of 3 and 4 feet of output power supply time set by an internal circuit and technicians after the time control switch A4 works when power is on, a period of time is output every day, the power enters a power supply input end of the electromagnetic valve DC (for example, 12-point output power for 5 minutes every night), then, a valve core is opened within the time when the electromagnetic valve DC works to discharge rainwater in the measuring cup 3 (the volume of the measuring cup is larger than the maximum rainfall in the area within unit time), so that the preparation for counting the rainfall data within unit time next time is ensured, and convenience is brought to the workers (when the rainwater enters the outer cup 2, the rainwater can be discharged from a drain hole at the lower end of the outer cup 2) because the workers do not need to operate on site). The resistances of the resistors R1, R2 and R3 are 100 omega; the force sensitive resistor RT is of the type IMS-C04N.

The basic principles and essential features of the invention and the advantages of the invention have been shown and described above, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but rather can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sensor for outdoor air temperature, humidity and rainfall comprises a solar cell panel, a storage battery, a power switch, a single chip microcomputer module, a GPRS module and a temperature and humidity detector body, and is characterized by further comprising a rainwater collection mechanism; the rainwater collecting mechanism comprises an outer cup, a measuring cup, a force-sensitive resistor, a time control switch and an electromagnetic valve; the force-sensitive resistor is arranged at the inner lower part of the outer cup, the outer cup is arranged at the side end of the solar cell panel, the measuring cup is arranged at the inner lower end of the outer cup, and one end of the electromagnetic valve is connected with one side of the lower end of the measuring cup; the storage battery, the power switch, the single chip microcomputer module, the GPRS module and the time control switch are arranged in the element box; the power output end of the time control switch is electrically connected with the power input ends of the electromagnetic valves respectively, the signal output ends of the force sensitive resistor, the temperature and humidity detector body are electrically connected with the signal input ends of the single chip microcomputer module respectively, and the signal input end of the GPRS module is electrically connected with the signal output end of the single chip microcomputer module.

2. The sensor of claim 1, wherein the outer cup has an outer diameter greater than an outer diameter of the measuring cup.

3. The sensor of claim 1, wherein the main control chip of the single chip microcomputer module is STC12C5A60S2, and each of the plurality of signal input ports of the single chip microcomputer module is connected in series with a sampling resistor.

4. The sensor of claim 1, wherein the valve core of the electromagnetic valve is normally closed.

5. The sensor of claim 1, wherein the time switch is a fully automatic microcomputer time switch.

6. The sensor according to claim 1, wherein the temperature/humidity detector body is a temperature/humidity transmitter.