Agricultural humidity display
A display and humidity sensor technology, applied in the field of agricultural instruments, can solve the problems of inability to irrigate the farmland quantitatively, farmers cannot accurately know the soil humidity of the farmland, etc., and achieves the effect of small occupation area, convenient installation and disassembly, and ensuring normal work.
Inactive Publication Date: 2018-09-14
ZHENGZHOU JINHENG ELECTRONICS TECH CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is: to solve the problem that the farmers in the prior art cannot accurately know the soil moisture in the farmland, and then cannot accurately perform quantitative irrigation on the farmland. The present invention provides an agricultural humidity display. The probe end and the circuit are separated by a waterproof board, so that the humidity display can correctly display the current actual humidity in the bathroom, so that farmers can accurately know the soil moisture and quantitatively irrigate
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[0028] Example: such as figure 1 and figure 2 As shown, an agricultural humidity display includes a casing 1, a humidity sensor 8 and a connecting wire 7, the humidity sensor 8 is arranged inside the casing 1, and a probe 10 is arranged on the humidity sensor 8, and the connecting wire 7 One end is connected with the humidity sensor 8, and the other end passes through the shell 1 and extends to the outside. The upper surface 1 of the shell is provided with a display screen 2, and the upper surface of the shell 1 is provided with a number of air holes 9. The inner side of the upper surface of the shell 1 A waterproof board 3 is provided, and a through hole adapted to the probe 10 is provided on the waterproof board 3 .
[0029] Such as image 3 As shown, as a preferred embodiment, the humidity sensor is a precision integrated circuit humidity sensor, which can detect the humidity in the soil and output a signal of about 50mv, and has a linear output within the humidity range...
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The invention discloses an agricultural humidity display and relates to the field of agricultural instruments, in particular to an agricultural humidity display, intended to solve the problem that asa farmer cannot accurately know farmland soil humidity under the prior art, a farmland cannot be quantitatively irrigated accurately. The agricultural humidity display comprises a shell, a humidity sensor and a connection wire; the upper surface of the shell is provided with a display screen; the upper surface of the shell is provided with a plurality of air holes; a waterproof plate is arranged at the inner side of the upper surface of the shell; the waterproof plate is provided with a through hole matching with a probe; the top end of the probe of the humidity sensor is positioned in a gap between the waterproof plate and the upper surface of the shell. The agricultural humidity display can accurately measure soil humidity and has the advantages of small size, simple structure and low cost.
Description
technical field [0001] The invention relates to the field of agricultural instruments, in particular to an agricultural humidity indicator. Background technique [0002] Soil moisture, also known as soil moisture content, represents the physical quantity of soil dryness and wetness, and is a relative variable of soil water content, usually expressed by the percentage of soil water content in dry soil weight, also known as soil quality temperature, such as soil Moisture content is expressed as a percentage of the total soil volume, which is called soil volumetric humidity. The commonly referred to as soil humidity refers to quality humidity, and the percentage of soil water content equivalent to the field water capacity to express the degree of soil moisture is called soil. Get rid of relative humidity. [0003] Soil humidity determines the water supply status of crops. If soil humidity is too low, it will cause soil drought, and photosynthesis cannot proceed normally, reduc...
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IPC IPC(8): G01N33/24
CPCG01N33/246
Inventor 吴金瑞
Owner ZHENGZHOU JINHENG ELECTRONICS TECH CO LTD