A kind of soil sensor
Technical field
The present invention relates to a kind of sensor, more particularly to a kind of soil sensor.
Background technology
Soil moisture is plant growth essential condition, and suitable soil water content, which can not only improve, makees produce
Amount, and water resource waste and soil losses can be avoided.Therefore, the real-time monitoring to soil water content is very necessary
's.At present, conventional soil moisture sensor has probe-type soil moisture sensor and profile soil moisture sensor, use
Distribution method is first ditching, the mode laid and then banketed in side wall, and the major defect of this method is to destroy soil genetic horizon
And the soil profile physical behavior feature such as soil texture and void condition is changed, change soil packing degree and soil knot
Structure, and soil moisture sensor measurement soil water content is influenceed very big, Shi Bizao by the soil texture, structure and compactness
Deviation be present into soil water content measurement result, while also need to when needing and measuring the soil moisture of multiple spot different depth pre-
Multigroup probe is buried, and probe price is costly, improves cost.
The content of the invention
To solve the above problems, the invention discloses a kind of soil sensor.
To reach above-mentioned purpose, the method that the present invention uses is:A kind of soil sensor, including measurement drill bit assembly, brill
Bar, motor and hydraulic cylinder, described hydraulic cylinder, motor and drill bit structure are sequentially distributed from top to bottom, described hydraulic cylinder
Piston cylinder on be provided with motor fixing seat, motor is fixed with described motor fixing seat, the output shaft of motor passes through connection
Axle device is connected with drilling rod, and described drilling rod is connected with measurement drill bit assembly;
It is solid that described measurement drill bit assembly includes hollow drill bit, connection cover, upper fixed seat, lower fixed seat, a probe
Reservation, returning spring and relay, described connection cover are arranged on the top of described drill bit, connection cover and described brill
Bar connects;
Described upper fixed seat and lower fixed seat is arranged on the inside of drill bit, is set between upper fixed seat and lower fixed seat
There are probe base and relay, the upper and lower side of probe base is provided with movable pulley, in upper fixed seat and lower fixed seat
On be respectively arranged with rail plate, probe base can be horizontally slipped between upper lower fixed seat by movable pulley, be consolidated in probe
The side of reservation is provided with 3 probes being placed equidistant, and is provided with returning spring between the side and the inwall of drill bit, in drill bit
On be additionally provided with probe outlet, the opposite side of probe base is irony structure, can fix probe after relay power
Seat absorption.
As a modification of the present invention, pass through elastic card and fixing hole phase between described drill bit and connection cover
Even.
As a modification of the present invention, described soil sensor also includes an installation casing, described hydraulic cylinder
And motor is arranged in described casing.
As a modification of the present invention, described upper fixed seat and lower fixed seat are connected by screw with drill bit.
As a modification of the present invention, connected between described drilling rod and described connection cover by welding or bolt
Connect.
As a modification of the present invention, groove is cut by the row of being provided with described drill bit.
Beneficial effect:
1st, the height for the regulation measurement that soil sensor of the invention can be at any time, without setting multigroup probe, is saved
Cost.
2nd, probe of the invention is directly inserted into soil, directly sample be without excavating soil, measurement
Data are directly accurate.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the measurement drill bit assembly of the present invention;
Fig. 3 is the structural representation of the drill bit of the present invention.
Each part is in figure:
1 hydraulic cylinder, 2 motor fixing seats, 3 installation casings, 4 lids, 5 drill bit structures, 6 rows cut groove, 7 shaft couplings, 8 motors, 9
Upper fixed seat, 10 screws, 11 relays, 12 probe bases, 13 probes, 14 probe outlets, 15 lower fixed seats, 16, which are slided, leads
Rail, 17 movable pulleies, 18 elastic cards, 19 fixing holes, 20 drilling rods, 21 measurement drill bit assemblies, 22 returning springs.
Embodiment
Technical scheme provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
A kind of soil sensor as shown in Figure 1, including measurement drill bit assembly 21, drilling rod 20, motor 8 and hydraulic cylinder 1,
Described hydraulic cylinder 1, motor 8 and drill bit structure is sequentially distributed from top to bottom, is provided with the piston cylinder of described hydraulic cylinder 1
Motor fixing seat 2, is fixed with motor 8 in described motor fixing seat 2, and the output shaft of motor 8 passes through shaft coupling 7 and drilling rod 20
It is connected, described drilling rod 20 is connected with measurement drill bit assembly 21.Described hydraulic cylinder 1 and motor 8 is arranged in casing 3.It is whole
Individual casing 3 is arranged on above soil, fixes casing 3 on the ground by fixture, power supply, wire are provided with casing 3
And control device.
Measurement drill bit assembly 21 as described in Figure 2 includes hollow drill bit 5, connection cover 4, upper fixed seat 9, a lower fixation
Seat 1, probe base 12, returning spring and relay 11, described connection cover 4 are arranged on the top of described drill bit 5,
Groove 6 is cut by the row of being provided with drill bit 5, passes through elastic card 18 and the phase of fixing hole 19 between described drill bit 5 and connection cover 4
Even.Connection cover 4 connects through welding or bolt connection with described drilling rod 20.
Described upper fixed seat 9 and lower fixed seat 15 is arranged on the inside of drill bit 5, upper fixed seat 9 and lower fixed seat 15
It is connected by screw 10 with drill bit 5.
Probe base 12 and relay 11 are provided between upper fixed seat 9 and lower fixed seat 15, is fixed in probe
The upper and lower side of seat 12 is provided with movable pulley 17, and rail plate 16, probe are respectively arranged with upper fixed seat 9 and lower fixed seat 15
Fixed seat 12 can be horizontally slipped by movable pulley 17 between upper lower fixed seat, and the side of probe base 12 is provided with 3
The probe 13 being placed equidistant, and returning spring 22 is provided between the inwall of the side and drill bit 5, spy is additionally provided with drill bit 5
Pin outlet 14, the opposite side of probe base 12 is irony structure, can inhale probe base 12 after the energization of relay 11
It is attached.
The present invention soil sensor operation principle be:Each part is assembled first, in firm incipient stage drill bit after
In an ON state, relay power adsorbs probe base to electrical equipment so that probe is in drill bit internal, so as to facilitate drill bit
Move up and down.Then drill bit 5 is embedded into soil, drives drill bit to bore downwards by hydraulic cylinder and motor, reach default
Depth.Relay electric-loss after predetermined depth is reached, probe is ejected by returning spring, inserted probes into soil,
Because probe is directly inserted into soil, avoids probe and measured in the soil for thinking to dig, ensure that the accurate of measurement
Property, while the depth of measurement can also be arbitrarily adjusted, relay power need to only be adsorbed probe base, so as to visit
Pin withdraws drill bit internal, then drill bit is lifted or declined by hydraulic cylinder and motor.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.