CN205643235U - Field portable soil moisture detecting rod - Google Patents
Field portable soil moisture detecting rod Download PDFInfo
- Publication number
- CN205643235U CN205643235U CN201620415800.4U CN201620415800U CN205643235U CN 205643235 U CN205643235 U CN 205643235U CN 201620415800 U CN201620415800 U CN 201620415800U CN 205643235 U CN205643235 U CN 205643235U
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- diode
- light emitting
- emitting diode
- probe
- negative pole
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a field portable soil moisture detecting rod, including probe group, slider, LED banks, switch S, detection circuitry and casing, probe group sets up in the casing, and probe group slides in the casing and stretches out the casing front end, and housing face is equipped with the spout, and the slider slides in the spout, the lower part and the probe group fixed connection of slider, LED banks and switch S set up at the casing surface, probe group comprises probe A and probe B, the LED banks comprises emitting diode VL1~VL5, detection circuitry includes transistor V, potentiometre RP, diode VD1~VD4 and DC power supply GB. The structure is small and exquisite, portable, can be in soil be measured in the field humidity circumstances, its circuit is simple in addition, if break down place under repair fast, make to investigate and to go on smoothly.
Description
Technical field
This utility model relates to a kind of soil moisture detection device, specifically a kind of countryside portable soil moisture detector bar.
Background technology
For botanist, typically can periodically go to field to carry out on-the-spot investigation, thus can be appreciated that the growing state of corresponding plants, and comprehensively can analyze in conjunction with factors such as local weather, sunlight irradiation time, soil moisture；But the equipment measuring soil moisture at present is huger, it has not been convenient to field is carried, circuit is complicated simultaneously, occurs problem to place under repair in time the most in the wild, so causes investigation to be smoothed out.
Summary of the invention
The problem existed for above-mentioned prior art, this utility model provides a kind of countryside portable soil moisture detector bar, compact structure, being easy to carry, can measure soil humidity situation in the wild, additionally its circuit is simple, can quickly place under repair as broken down, make investigation to be smoothed out.
To achieve these goals, the technical solution adopted in the utility model is: this kind of countryside portable soil moisture detector bar, including probe groups, slide block, LED group, switch S, testing circuit and housing, probe groups is arranged in housing, probe groups is slided in housing and stretches out housing forward end, surface of shell is provided with chute, slide block slides in chute, the bottom of described slide block is fixing with probe groups to be connected, LED group and switch S are arranged on housing outer surface, described probe groups is made up of probe A and probe B, and described LED group is made up of light emitting diode VL1～VL5
nullDescribed testing circuit includes crystal triode V、Potentiometer RP、Diode VD1～VD4 and DC source GB，The positive pole of DC source GB is connected with the colelctor electrode of probe A and crystal triode V by switch S，The base stage of crystal triode V is connected with one end of probe B and potentiometer RP，The emitter stage of crystal triode V is connected with the positive pole of light emitting diode VL1 and the positive pole of diode VD1，The negative pole of diode VD1 is connected with the positive pole of diode VD2 and the positive pole of light emitting diode VL2，The negative pole of diode VD2 is connected with the positive pole of diode VD3 and the positive pole of light emitting diode VL3，The negative pole of diode VD3 is connected with the positive pole of diode VD4 and the positive pole of light emitting diode VL4，The negative pole of diode VD4 is connected with the positive pole of light emitting diode VL5，The negative pole of light emitting diode VL5 and the negative pole of DC source GB、The negative pole of light emitting diode VL4、The negative pole of light emitting diode VL3、The negative pole of light emitting diode VL2、The negative pole of light emitting diode VL1、Ground connection after the other end of potentiometer RP and the current potential adjustable side connection of potentiometer RP.
Further, also include that hand-held connecting cylinder, hand-held connecting cylinder are threadedly attached in rear.
Further, described DC source is 6V.
Compared with prior art, this utility model uses probe groups, slide block, LED group, switch S, testing circuit and housing to combine mode, Guan Bi switch S, after probe groups inserts soil, if soil is the most dry, crystal triode V ends, and makes diode VD1～VD4 be in cut-off state, and then light emitting diode VL1～VL5 is the most luminous；When soil has certain humidity, the moisture in soil makes the resistance between probe A and probe B diminish, and crystal triode V turns on, and makes diode VD1～VD4 sequentially turn on, and then makes light emitting diode VL1～VL5 sequential illumination；Specifically lighting quantity to determine according to the humidity condition of soil, the humidity of soil is the biggest, and the conducting electric current of crystal triode V is the biggest, so that the quantity of the light emitting diode lighted is the most.Compact structure, it is simple to carry, can measure soil humidity situation in the wild, and additionally its circuit is simple, can quickly place under repair as broken down, make investigation to be smoothed out.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is circuit diagram of the present utility model.
In figure: 1, probe groups, 2, housing, 3, LED group, 4, switch S, 5, hand-held connecting cylinder, 6, chute, 7, slide block.
Detailed description of the invention
The utility model is described in further detail below.
As shown in Figure 1 to Figure 3, this utility model includes probe groups 1, slide block 7, LED group 3, switch S4, testing circuit and housing 2, probe groups 1 is arranged in housing 2, probe groups 1 is slided in housing 2 and stretches out housing 2 front end, housing 2 surface is provided with chute 6, slide block 7 slides in chute 6, the bottom of described slide block 7 is fixing with probe groups 1 to be connected, LED group 3 and switch S4 are arranged on housing 2 outer surface, described probe groups 1 is made up of probe A and probe B, described LED group 3 is made up of light emitting diode VL1～VL5
nullDescribed testing circuit includes crystal triode V、Potentiometer RP、Diode VD1～VD4 and DC source GB，The positive pole of DC source GB is connected with the colelctor electrode of probe A and crystal triode V by switch S4，The base stage of crystal triode V is connected with one end of probe B and potentiometer RP，The emitter stage of crystal triode V is connected with the positive pole of light emitting diode VL1 and the positive pole of diode VD1，The negative pole of diode VD1 is connected with the positive pole of diode VD2 and the positive pole of light emitting diode VL2，The negative pole of diode VD2 is connected with the positive pole of diode VD3 and the positive pole of light emitting diode VL3，The negative pole of diode VD3 is connected with the positive pole of diode VD4 and the positive pole of light emitting diode VL4，The negative pole of diode VD4 is connected with the positive pole of light emitting diode VL5，The negative pole of light emitting diode VL5 and the negative pole of DC source GB、The negative pole of light emitting diode VL4、The negative pole of light emitting diode VL3、The negative pole of light emitting diode VL2、The negative pole of light emitting diode VL1、Ground connection after the other end of potentiometer RP and the current potential adjustable side connection of potentiometer RP.
Further, also include that hand-held connecting cylinder 5, hand-held connecting cylinder 5 are threadedly attached in housing 2 rear portion；Increase hand-held connecting cylinder 5, it is simple to user of service is hand-held to be inserted soil by this utility model and use.
Further, described DC source is 6V.
Before the use, first debug, probe groups of the present utility model is inserted in the soil determining humidity value, draw soil moisture value corresponding when lighting for light emitting diode VL1～VL5.
Guan Bi switch S4 when using in the wild, after probe groups 1 inserts soil, if soil is the most dry, crystal triode V ends, and makes diode VD1～VD4 be in cut-off state, and then light emitting diode VL1～VL5 is the most luminous；When soil has certain humidity, the moisture in soil makes the resistance between probe A and probe B diminish, and crystal triode V turns on, and makes diode VD1～VD4 sequentially turn on, and then makes light emitting diode VL1～VL5 sequential illumination；Specifically light quantity to determine according to the humidity condition of soil；Finally according to the light emitting diode quantity lighted, draw the humidity value of current soil.
Claims (3)
1. a countryside portable soil moisture detector bar, it is characterized in that, including probe groups (1), slide block (7), LED group (3), switch S (4), testing circuit and housing (2), probe groups (1) is arranged in housing (2), probe groups (1) is slided in housing (2) and stretches out housing (2) front end, housing (2) surface is provided with chute (6), slide block (7) slides in chute (6), the bottom of described slide block (7) is fixing with probe groups (1) to be connected, LED group (3) and switch S (4) are arranged on housing (2) outer surface, described probe groups (1) is made up of probe A and probe B, described LED group (3) is made up of light emitting diode VL1～VL5,
nullDescribed testing circuit includes crystal triode V、Potentiometer RP、Diode VD1～VD4 and DC source GB，The positive pole of DC source GB is connected with the colelctor electrode of probe A and crystal triode V by switch S (4)，The base stage of crystal triode V is connected with one end of probe B and potentiometer RP，The emitter stage of crystal triode V is connected with the positive pole of light emitting diode VL1 and the positive pole of diode VD1，The negative pole of diode VD1 is connected with the positive pole of diode VD2 and the positive pole of light emitting diode VL2，The negative pole of diode VD2 is connected with the positive pole of diode VD3 and the positive pole of light emitting diode VL3，The negative pole of diode VD3 is connected with the positive pole of diode VD4 and the positive pole of light emitting diode VL4，The negative pole of diode VD4 is connected with the positive pole of light emitting diode VL5，The negative pole of light emitting diode VL5 and the negative pole of DC source GB、The negative pole of light emitting diode VL4、The negative pole of light emitting diode VL3、The negative pole of light emitting diode VL2、The negative pole of light emitting diode VL1、Ground connection after the other end of potentiometer RP and the current potential adjustable side connection of potentiometer RP.
A kind of countryside portable soil moisture detector bar the most according to claim 1, it is characterised in that also include that hand-held connecting cylinder (5), hand-held connecting cylinder (5) are threadedly attached in housing (2) rear portion.
Countryside portable soil moisture detector bar the most according to claim 1 and 2, it is characterised in that described DC source is 6V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415800.4U CN205643235U (en) | 2016-05-10 | 2016-05-10 | Field portable soil moisture detecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415800.4U CN205643235U (en) | 2016-05-10 | 2016-05-10 | Field portable soil moisture detecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643235U true CN205643235U (en) | 2016-10-12 |
Family
ID=57058435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620415800.4U Expired - Fee Related CN205643235U (en) | 2016-05-10 | 2016-05-10 | Field portable soil moisture detecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205643235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610228A (en) * | 2019-02-22 | 2020-09-01 | 湖北文理学院 | Soil humidity detection circuit |
-
2016
- 2016-05-10 CN CN201620415800.4U patent/CN205643235U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610228A (en) * | 2019-02-22 | 2020-09-01 | 湖北文理学院 | Soil humidity detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170510 |