CN208125936U - A kind of fertilizer deficiency detection sensor - Google Patents
A kind of fertilizer deficiency detection sensor Download PDFInfo
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- CN208125936U CN208125936U CN201820146107.0U CN201820146107U CN208125936U CN 208125936 U CN208125936 U CN 208125936U CN 201820146107 U CN201820146107 U CN 201820146107U CN 208125936 U CN208125936 U CN 208125936U
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- sensor
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- circuit module
- upper housing
- lower case
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Abstract
The utility model discloses a kind of fertilizer deficiency detection sensors, including sensor upper housing, sensor lower case, sensor signal detection transmit circuit module, sensor signal detection receiving circuit module, detection circuit board and signal transmission wire, the sensor signal detection transmit circuit module, sensor signal detection receiving circuit module is respectively placed in the type chamber top two sides of sensor upper housing, the detection circuit board be placed in the middle part of the type chamber of sensor upper housing and respectively with sensor signal detection transmit circuit module, sensor signal detection receiving circuit module is electrically connected, the sensor lower case is fixedly connected on the lower part of sensor upper housing, the detection circuit board passes through sensor lower case by signal transmission wire and connects alarming device outside.The fertilizer deficiency detection sensor can generate alarm signal before fertilizer is used up, and remind operating personnel to be replenished in time, can not only reduce labor intensity, and can be avoided the appearance of the rough sledding such as fertilizer deficiency, leakage fertilizer, and practicability is high.
Description
Technical field：
The utility model relates to a kind of fertilizer deficiency detection sensors, are related to sensor technical field.
Background technique：
As China's agricultural industry continues to develop, Automatic Topdressing System for Pipe is widely used, but in automatic fertilization system
The detection device of fertilizer state can be detected automatically by lacking in system, thus can not detect whether fertilizer deficiency automatically, and currently without installation
The fertilization system of fertilizer deficiency detection device then needs manually periodically to be checked and handled, and greatly consumption manpower, convenience are poor.
Utility model content：
Technical problem to be solved in the utility model is：It is simple and effectively carry out fertilizer deficiency and detect automatically to provide a kind of structure
Fertilizer deficiency detection sensor.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：
A kind of fertilizer deficiency detection sensor, including sensor upper housing, sensor lower case, sensor signal detection transmitting electricity
Road module, sensor signal detection receiving circuit module, detection circuit board and signal transmission wire, the sensor signal inspection
Survey transmit circuit module, sensor signal detection receiving circuit module are respectively placed in the type chamber top two sides of sensor upper housing,
The detection circuit board be placed in the middle part of the type chamber of sensor upper housing and respectively with sensor signal detection transmit circuit module, pass
Sensor signal detects receiving circuit module and is electrically connected, and the sensor lower case is fixedly connected under sensor upper housing
Portion, the detection circuit board pass through sensor lower case by signal transmission wire and connect alarming device outside.
Preferably, the installation protruding upward for forming two protrusions of both sides of the upper end shell of the sensor upper housing
Shell is integrally formed between mounting shell and sensor upper housing, the sensor signal detection transmit circuit module, sensor signal
Detection receiving circuit module is respectively placed in two mounting shells.
Preferably, the lower part faucal in sensor upper housing is plugged and fixed in the top part shell body of the sensor lower case
It is interior, it is adhesively fixed between sensor lower case and sensor upper housing by epoxy glue adhesive layer.
Preferably, the bottom of the sensor lower case is provided with through-hole, the through-hole is equipped with conductor barrel, guide cylinder
It is sealedly connected and fixed between upper end outer tube wall and through-hole edge, the signal transmission wire passes through in conductor barrel and connects external police
Showing device.
Preferably, the alarming device is set as warning lamp or buzzer.
Preferably, being equipped with signal amplification circuit and driving circuit in the detection circuit board.
Preferably, the sensor upper housing is set as polycarbonate shell, the polycarbonate shell transmissive is red
The wave-length coverage of outer light is set as 900nm-1000nm.
Preferably, being equipped with power supply processing circuit in the detection circuit board.
Preferably, being equipped with self-recovery fuse in the detection circuit board.
Preferably, setting on the downside of the sensor lower case, there are two penetrating type mounting holes.
Compared with prior art, the usefulness of the utility model is：The fertilizer deficiency detection sensor can be used in fertilizer
Alarm signal is generated before to the greatest extent, is reminded operating personnel to be replenished in time, can not only be reduced labor intensity, and can be avoided scarce
The appearance of the rough sledding such as fertilizer, leakage fertilizer, practicability are high.
Detailed description of the invention：
The present invention will be further described with reference to the accompanying drawing：
Fig. 1 is the partial cross-sectional structural diagram of the utility model.
Specific embodiment：
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection：
A kind of fertilizer deficiency detection sensor as shown in Figure 1, including sensor upper housing 1, sensor lower case 2, sensor
Signal detection transmit circuit module 3, sensor signal detection receiving circuit module 4, detection circuit board 5 and signal transmission wire
6, the sensor signal detection transmit circuit module, sensor signal detection receiving circuit module are respectively placed in sensor upper casing
The type chamber top two sides of body, the sensor lower case are fixedly connected on the lower part of sensor upper housing, the detection circuit board
Sensor lower case is passed through by signal transmission wire and connects alarming device outside, and in the present embodiment, the alarming device can be excellent
Choosing is set as warning lamp or buzzer.
In the present embodiment, emit signal for convenience and receive signal, and detect for convenience, the sensor upper housing
Both sides of the upper end shell mounting shell 7 protruding upward for forming two protrusions, is integrally formed between mounting shell and sensor upper housing,
The sensor signal detection transmit circuit module, sensor signal detection receiving circuit module are respectively placed in two mounting shells
It is interior, and the sensor signal detection transmit circuit module, sensor signal detection receiving circuit module can be generated actively respectively
Fertilizer detects signal and the passive fertilizer that receives detects signal, thus, when accumulation has fertilizer between the mounting shell that two protrude,
Transmission letter is blocked between sensor signal detection transmit circuit module, sensor signal detection receiving circuit module
Number, when the fertilizer accumulated exhausts fastly between the mounting shell that two protrude, due to the blocking of not no fertilizer, sensor signal detection
Signal transmitting then can be more rapidly performed by between transmit circuit module, sensor signal detection receiving circuit module.
And in the present embodiment, the sensor signal detection transmit circuit module, sensor signal detection receive circuit
Module is respectively used to transmitting infrared light and receives infrared light, because outer fertilization system is in outdoor open-air operation.In order to reduce
Influence of the outdoors sunlight to sensor avoids other light interferences and influences signal transmission effect, sensor signal detection transmitting
Circuit module, sensor signal detection receiving circuit module can use the infrared photocell of specific wavelength, wavelength 900nm-
1000nm, the preferably infrared signal of 940nm, and the light of other wavelength cannot then be received, further, sensing
Device shell 1 can be set to translucent plastic shell, and preferably makrolon material is made, and add specific pigment,
Realize that the preferably infrared light of 940nm has good transmittance, has resistance to the optical signal of other wavelength only to 900nm-1000nm
Impenetrability.
The detection circuit board, which is placed in the middle part of the type chamber of sensor upper housing and respectively with sensor signal detection, emits electricity
Road module, sensor signal detection receiving circuit module are electrically connected, in the present embodiment, in order to there is better adaptability, inspection
Design has power supply processing circuit in slowdown monitoring circuit plate 5, it is thus possible to adapt to wide operating voltage range.
Further, in order to improve transducer sensitivity, design has signal amplification circuit in detection circuit board 5, can incite somebody to action
The weak signal that the sensor signal detection receiving circuit module detected generates amplifies, and effectively improves signal transmission effect.
In addition, in order to directly drive external indicator light or buzzer, the design of detection circuit board 5 has driving circuit.
The high level of current that 0.5A can be generated drives external indicator light or buzzer to generate warning effect, and in order to avoid external
There are short-circuit abnormal conditions in load, may cause the damage of detection circuit board 5, is equipped with self-recovery fuse in detection circuit board 5, when
When there is short circuit, electric current is greater than 0.5A in circuit, and self-recovery fuse resistance increased dramatically, and sensor alarm signal is externally suitable
In open circuit, when short-circuit abnormal removal, self-recovery fuse resistance is reduced, and sensor alarm signal is externally equivalent to normal defeated
Out.
It in the present embodiment, is raising adaptability and service life of equipment, the top part shell body of the sensor lower case
It is plugged and fixed in the lower part faucal of sensor upper housing, passes through epoxy glue between sensor lower case and sensor upper housing
Adhesive layer is adhesively fixed, thus effectively improves integrally-built sealing effect, preferably, the sensor lower casing
The bottom of body is provided with through-hole, and the through-hole is equipped with conductor barrel 8, the company of sealing between the upper end outer tube wall and through-hole edge of guide cylinder
Fixation is connect, the signal transmission wire passes through in conductor barrel and connects external alarming device.
For convenience of installation, set on the downside of the sensor lower case there are two penetrating type mounting hole 9.
Above-mentioned fertilizer deficiency detection sensor can generate alarm signal before fertilizer is used up, and remind operating personnel to carry out timely
Supplement, can not only reduce labor intensity, and can be avoided the appearance of the rough sledding such as fertilizer deficiency, leakage fertilizer, and practicability is high.
It is emphasized that：The above is only the preferred embodiment of the present utility model, not appoints to the utility model
What formal limitation, any simple modification made by the above technical examples according to the technical essence of the present invention, etc.
With variation and modification, it is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of fertilizer deficiency detection sensor, it is characterised in that：Including sensor upper housing, sensor lower case, sensor signal
Detect transmit circuit module, sensor signal detection receiving circuit module, detection circuit board and signal transmission wire, the biography
Sensor signal detection transmit circuit module, sensor signal detection receiving circuit module are respectively placed in the type chamber of sensor upper housing
Top two sides, the detection circuit board, which is placed in the middle part of the type chamber of sensor upper housing and respectively with sensor signal detection, emits electricity
Road module, sensor signal detection receiving circuit module are electrically connected, and the sensor lower case is fixedly connected on a sensor
The lower part of shell, the detection circuit board pass through sensor lower case by signal transmission wire and connect alarming device outside.
2. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：The upper end of the sensor upper housing
Two side body of the face mounting shell protruding upward for forming two protrusions, is integrally formed between mounting shell and sensor upper housing, described
Sensor signal detection transmit circuit module, sensor signal detection receiving circuit module are respectively placed in two mounting shells.
3. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：The top of the sensor lower case
Housing parts are plugged and fixed in the lower part faucal of sensor upper housing, pass through ring between sensor lower case and sensor upper housing
Oxygen glue adhesive layer is adhesively fixed.
4. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：The bottom of the sensor lower case
It is provided with through-hole, the through-hole is equipped with conductor barrel, is sealedly connected and fixed between the upper end outer tube wall and through-hole edge of guide cylinder, institute
Signal transmission wire is stated in conductor barrel and connects external alarming device.
5. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：The alarming device is set as warning
Lamp or buzzer.
6. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：Letter is equipped in the detection circuit board
Number amplifying circuit and driving circuit.
7. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：The sensor upper housing is set as
The wave-length coverage of polycarbonate shell, the polycarbonate shell transmissive infrared light is set as 900nm-1000nm.
8. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：Electricity is equipped in the detection circuit board
Source processing circuit.
9. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：It is equipped with certainly in the detection circuit board
Restore fuse.
10. a kind of fertilizer deficiency detection sensor according to claim 1, it is characterised in that：Under the sensor lower case
Side is set there are two penetrating type mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146107.0U CN208125936U (en) | 2018-01-29 | 2018-01-29 | A kind of fertilizer deficiency detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146107.0U CN208125936U (en) | 2018-01-29 | 2018-01-29 | A kind of fertilizer deficiency detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125936U true CN208125936U (en) | 2018-11-20 |
Family
ID=64206480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820146107.0U Active CN208125936U (en) | 2018-01-29 | 2018-01-29 | A kind of fertilizer deficiency detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208125936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596035A (en) * | 2020-06-22 | 2020-08-28 | 杭州德哈斯电子科技有限公司 | Device for detecting lack of fertilizer in street trees |
-
2018
- 2018-01-29 CN CN201820146107.0U patent/CN208125936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596035A (en) * | 2020-06-22 | 2020-08-28 | 杭州德哈斯电子科技有限公司 | Device for detecting lack of fertilizer in street trees |
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| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Room 520, building 2, 738 Guangji Road, Hongkou District, Shanghai 200434 Patentee after: Shanghai Xinglian Zhichuang Intelligent Technology Co.,Ltd. Address before: Room 520, building 2, 738 Guangji Road, Hongkou District, Shanghai 200434 Patentee before: SHANGHAI STONE METER Co.,Ltd. |