CN210376733U - System for automatically measuring rainfall intensity - Google Patents
System for automatically measuring rainfall intensity Download PDFInfo
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- CN210376733U CN210376733U CN201921296687.2U CN201921296687U CN210376733U CN 210376733 U CN210376733 U CN 210376733U CN 201921296687 U CN201921296687 U CN 201921296687U CN 210376733 U CN210376733 U CN 210376733U
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- rain collector
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Abstract
The utility model particularly relates to a system for automatic measure rainfall intensity. The system for automatically measuring the rainfall intensity is characterized in that a protective cover, a rain collector and a rainfall pipe are sequentially arranged on the same axis; the protective cover is used for protecting the whole system from dust when rainfall does not exist; the water inlet of the rain collector is arranged below the dustproof cover, and the bottom of the rain collector is also provided with a first drainage port which is communicated with the water inlet of the rain measuring pipe; a liquid level sensor is arranged in the rainfall pipe, and a second water outlet is formed in the bottom of the rainfall pipe; a first electromagnetic valve is arranged on the first water outlet, and a second electromagnetic valve is arranged on the second water outlet; the first electromagnetic valve, the second electromagnetic valve and the liquid level sensor are all in signal correlation with the controller, and the controller is provided with a counting module and a timing module. The whole system has the advantages of simple structure, reasonable design, long service life, low manufacturing cost, difficult pollution and accurate measurement result.
Description
Technical Field
The utility model relates to a meteorological detection technical field, concretely relates to system for automatic measure rainfall intensity.
Background
The rainfall is monitored in a meteorological mode mainly according to the rainfall, the rainfall can visually indicate the amount and the intensity of the rainfall, the intensity of the rainfall has important influence on industries such as agriculture and forestry, water conservancy, hydrology, mining and the like, and the measurement of the rainfall intensity is key measurement data in many fields such as traffic, agriculture, industry and the like in recent years and becomes effective data for preventing in advance and reducing harm brought by the rainfall.
The existing rainfall intensity measuring device mainly comprises a photoelectric type rainfall meter, an electric heating type rainfall meter, a magnetic suspension type rainfall meter and the like, and has the following problems: 1. they have a series of problems of short service life, high price, complex installation and maintenance and the like, and are not suitable for field large-scale use; 2. under the general condition, the rain gauge is generally directly exposed in the air under the condition that no rainfall exists, and the rain gauge can be polluted by external dust and is not easy to clean, so that the accuracy of a measuring result is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, provide automatic measure rainfall intensity's system, this system simple structure, the cost is with low costs, long service life is equipped with dustproof protection device in the system, can effectively guarantee measuring result's accuracy.
The utility model discloses a realize through following technical scheme:
the system for automatically measuring the rainfall intensity is sequentially provided with a protective cover, a rain collector and a rainfall pipe on the same axis;
the protective cover is used for protecting the whole system from dust when rainfall does not exist;
the water inlet of the rain collector is arranged below the dustproof cover, and the bottom of the rain collector is also provided with a first drainage port which is communicated with the water inlet of the rain measuring pipe;
a liquid level sensor is arranged in the rainfall pipe, and a second water outlet is formed in the bottom of the rainfall pipe;
a first electromagnetic valve is arranged on the first water outlet, and a second electromagnetic valve is arranged on the second water outlet;
the first electromagnetic valve, the second electromagnetic valve and the liquid level sensor are all in signal correlation with the controller, and the controller is provided with a counting module and a timing module.
Preferably, a filter screen is arranged at the water inlet of the rain collector.
Preferably, the acute included angle between the filter screen and the rain collector is 30-60 degrees.
Preferably, the inner diameter of the rain burette is 20 cm.
Preferably, the inner walls of the rain collector and the rain measuring cylinder are provided with hydrophobic coatings.
Preferably, the rain collector and the rain measuring cylinder are made of stainless steel.
The utility model has the advantages that:
the whole system has simple structure, reasonable design, long service life and low manufacturing cost; by arranging the protective cover, the whole system can be protected from being polluted by external dust and fallen leaves when the system does not rain, and the accuracy of a test result is ensured; the rain collector and the rain measuring pipe are arranged and matched with each other, so that the rainfall and the rainfall time in the whole rainfall process are accurately measured; the filter screen is arranged at the water inlet of the rain collector, so that leaves and soil falling along with wind can be effectively separated, and the normal operation of the whole measuring system and the accuracy of the measuring result can be guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an electrical block diagram of the present invention.
In the figure, 1, a protective cover; 2. a rain collector; 3. a rain measuring pipe; 4. a first drain port; 5. a second water discharge port; 6. a liquid level sensor; 7. and (5) filtering by using a filter screen.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the present invention illustrates a system for automatically measuring rainfall intensity, which is sequentially provided with a protective cover 1, a rain collector 2, and a rainfall pipe 3 on the same axis.
The protective cover 1 is used for protecting the whole system from dust when rainfall does not exist;
the water inlet of the rain collector 2 is arranged below the dustproof cover 1, the bottom of the rain collector is also provided with a first drainage port 4, the first drainage port 4 is communicated with the water inlet of the rainfall pipe 3,
a liquid level sensor 6 is arranged in the rain burette 3, and a second water outlet 5 is arranged at the bottom of the rain burette;
a first electromagnetic valve is arranged on the first water outlet 4, and a second electromagnetic valve is arranged on the second water outlet 5;
the first electromagnetic valve, the second electromagnetic valve and the liquid level sensor 6 are all in signal correlation with the controller, and the controller is provided with a counting module and a timing module.
The protective cover is arranged above the rain collector, and when no rainfall occurs, the protective cover seals the inlet of the rain collector to resist dust and other pollutants, so that the cleanness of the rainfall intensity test system can be effectively ensured; when a rainfall condition occurs, the protective cover is manually opened.
The timing time of the timing module is the duration of rainfall, and the total rainfall is the number of times counted by the counting module, multiplied by the amount of rainfall discharged by each rainfall pipe, and added with the amount of residual rainfall in the last rainfall pipe.
A filter screen 7 is arranged at the water inlet of the rain collector 2.
Because when blowing, the condition that the fallen leaves entered into rain collector along with the rainwater can appear, if not setting up the filter screen, the first drainage port can be blockked up to the leaf to influence going on or the accuracy of whole rainfall intensity measurement system, simultaneously, the filter screen can also filter some silt, makes measuring result more accurate.
The acute angle included angle between the filter screen 7 and the water inlet of the rain collector 2 is 30-60 degrees.
The filter screen and the water inlet of the rain collector are arranged at a certain included angle, so that the condition that rainwater cannot flow into the rain collector in time due to the fact that the filter screen is blocked by rainwater can be avoided.
The inner diameter of the rain pipe 3 is 20 cm.
The inner walls of the rain collector 2 and the rain measuring cylinder 3 are provided with hydrophobic coatings.
The inner walls of the rain collector and the rain measuring cylinder are coated with the hydrophobic layer, so that the amount of rain water hung on the inner walls of the rain collector and the rain measuring cylinder is reduced, and the measuring result is more accurate.
The rain collector 2 and the rainfall pipe 3 are made of stainless steel.
The stainless steel has stronger corrosion resistance and can achieve the effect of prolonging the service life.
The working principle of the system for automatically measuring rainfall intensity is as follows: when rainfall occurs, the protective cover 1 is manually opened, a starting signal is input to the controller, the controller controls the timing module to start timing, the first electromagnetic valve is controlled to be opened, the second electromagnetic valve is controlled to be closed, rainwater flows into the rain collector through the water inlet of the rain collector 2 and is discharged from the first water outlet 4 of the rain collector and enters the rainfall pipe from the water inlet of the rainfall pipe 3, the liquid level sensor 6 in the rainfall pipe transmits the sensed signal to the controller, when the pressure value sensed by the liquid level sensor reaches a preset threshold value, the controller controls the first electromagnetic valve to be closed and the second electromagnetic valve to be opened by sending a signal, and meanwhile, according to the preset time for emptying the rainwater in the rainfall pipe, the rainwater in the rainfall pipe is completely emptied through the second water outlet 5 after n seconds, the controller controls the counting module to count for 1 time and controls the first electromagnetic valve to be opened, and closing the second electromagnetic valve, repeating the circulation process until the rainfall process is finished, manually closing the protective cover after the rainfall process is stopped, inputting a finished signal to the controller, controlling the timing module to stop timing by the controller, transmitting the sensed pressure value of the residual liquid level to the controller by the hydraulic sensor in the rainfall pipe, controlling the first electromagnetic valve to be closed and the second electromagnetic valve to be opened by the controller, and controlling the second electromagnetic valve to be closed by the controller after the rainfall pipe is emptied according to the preset emptying time so as to enable the whole system to be restored to the initial state.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The system for automatically measuring the rainfall intensity is characterized in that a protective cover, a rain collector and a rainfall pipe are sequentially arranged on the same axis;
the protective cover is used for protecting the whole system from dust when rainfall does not exist;
the water inlet of the rain collector is arranged below the protective cover, and the bottom of the rain collector is also provided with a first drainage port which is communicated with the water inlet of the rain measuring pipe;
a liquid level sensor is arranged in the rainfall pipe, and a second water outlet is formed in the bottom of the rainfall pipe;
a first electromagnetic valve is arranged on the first water outlet, and a second electromagnetic valve is arranged on the second water outlet;
the first electromagnetic valve, the second electromagnetic valve and the liquid level sensor are all in signal correlation with the controller, and the controller is provided with a counting module and a timing module.
2. The system for automatically measuring rainfall intensity of claim 1 wherein a strainer is disposed at the inlet of the rain collector.
3. The system for automatically measuring rainfall intensity of claim 2 wherein the acute included angle between the screen and the rain collector is 30-60 °.
4. The system for automatically measuring rainfall intensity of claim 1 wherein the inside diameter of the rain burette is 20 cm.
5. The system for automatically measuring rainfall intensity of claim 1 wherein the inner walls of the rain collector and the rain gauge are provided with hydrophobic coatings.
6. The system for automatically measuring rainfall intensity of claim 1 wherein the rain collector and rain gauge are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296687.2U CN210376733U (en) | 2019-08-08 | 2019-08-08 | System for automatically measuring rainfall intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296687.2U CN210376733U (en) | 2019-08-08 | 2019-08-08 | System for automatically measuring rainfall intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210376733U true CN210376733U (en) | 2020-04-21 |
Family
ID=70251184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296687.2U Active CN210376733U (en) | 2019-08-08 | 2019-08-08 | System for automatically measuring rainfall intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210376733U (en) |
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2019
- 2019-08-08 CN CN201921296687.2U patent/CN210376733U/en active Active
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