CN211877971U

CN211877971U - Soil moisture tester

Info

Publication number: CN211877971U
Application number: CN202020434433.9U
Authority: CN
Inventors: 王贤峰; 周洪武
Original assignee: Tianjin Liyan Anhe Technology Development Co ltd
Current assignee: Tianjin Liyan Anhe Technology Development Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-11-06
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a soil moisture apparatus, including the control box, the outside fixedly connected with electronic display screen of control box, control box bottom and detector bulk phase are connected, the outside cover of detector main part is equipped with fixed knot and constructs, the control box is provided with the protective housing outward, the detector main part includes fixed plate, bee calling organ, contact switch, movable plate, probe sleeve, sliding connection rod, and the spring housing is established two on the sliding connection rod, fixed knot constructs including mount and fixed contact pin, the mount with detector main part shell integrated into one piece, fixed contact pin with mount bottom fixed connection. The beneficial effects of the utility model are that, can protect the probe not receive the damage, increase of service life when soil hardness is too big.

Description

Soil moisture tester

Technical Field

The utility model relates to a humidity detection equipment technical field, especially soil moisture apparatus.

Background

Soil moisture tester, also known as: the soil moisture sensor, the soil hygrometer, soil moisture content appearance, soil moisture content sensor mainly are used for measuring soil water content (soil moisture content). The water content of soil has two expression methods of weight water content and volume water content (volume water content). The weight water content is measured by a soil-taking and drying method, and the water content measured by the soil water sensor is the volume water content. The in-process that prior art's soil moisture apparatus used needs insert inside the soil with metal probe, if soil is too hard, will cause metal probe to damage, in addition, inserts to monitor easily in soil and receives the influence of environment, influences life for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a soil moisture tester is designed.

According to the technical scheme, the utility model discloses a, soil moisture apparatus does, including the control box, the outside fixedly connected with electronic display screen of control box, the last control switch that is provided with of electronic display screen, control box bottom and detector bulk phase are connected, the outside cover of detector main part is equipped with fixed knot and constructs, the control box is provided with the protective housing outward.

Furthermore, the detector main body comprises a fixed plate, a buzzer, a contact switch, a movable plate, a probe sleeve and sliding connecting rods, wherein the probe sleeve is arranged at one end of the detector main body, a probe penetrates through the probe sleeve and is in sliding connection with the probe sleeve, the fixed plate is fixed on the inner wall of the detector main body, one end of the probe is fixedly connected with the movable plate, the two sliding connecting rods are respectively arranged at two sides of the probe, one end of each sliding connecting rod is fixedly connected with the fixed plate, the two sliding connecting rods respectively penetrate through the two sliding sleeves, the sliding sleeves are in sliding connection with the sliding connecting rods, two ends of the movable plate are respectively fixedly connected with the two sliding sleeves, and springs are sleeved on the two sliding connecting rods;

further, fixed knot constructs including mount and fixed contact pin, the mount with detector main part shell integrated into one piece, fixed contact pin with mount bottom fixed connection.

Further, the contact switch and the buzzer are fixed on one side of the fixed plate close to the moving plate.

Further, the inside spout that is equipped with of protective housing, spout one end is equipped with the stopper, stopper one side is equipped with fixture block one, fixture block one side fixedly connected with slider, fixture block one end outside fixedly connected with fixture block two is kept away from to the slider, the slider with the spout cooperatees.

Furthermore, a sealing ring is arranged at one end of the probe sleeve, and the probe sleeve is connected with the probe through the sealing ring.

Furthermore, the electronic display screen, the control switch, the probe, the buzzer, the contact switch and the control box are electrically connected.

Utilize the technical scheme of the utility model the soil moisture tester of preparation, the beneficial effect who reaches: the probe is pushed to move upwards along the sliding sleeve by soil, the probe drives the sliding sleeve to move along the direction that the sliding connecting rod is supposed to be close to the fixed plate under the driving action of the movable plate, in the process, the spring is compressed, the movable plate triggers the contact switch, the contact switch sends a signal to the PLC in the control box, the PLC controls the buzzer to send an alarm signal, and when the hardness of the detected soil is too high, the probe of the soil moisture tester can be protected from being damaged; through the cooperation of fixture block two, slider and spout, the protection control box is not influenced in the environment that rainwater or dust are more, and then extension soil moisture apparatus life.

Drawings

FIG. 1 is a schematic structural view of a soil moisture meter according to the present invention;

fig. 2 is a schematic view of a partial structure inside a detector main body of the soil moisture meter according to the present invention;

fig. 3 is a schematic view of the bottom structure of the protective casing of the soil moisture meter according to the present invention;

in the figure, 1, a control box; 2. an electronic display screen; 3. a control switch; 4. a detector main body; 41. a fixing plate; 42. a buzzer; 43. a contact switch; 44. moving the plate; 45. a probe sleeve; 46. a sliding connecting rod; 47. a probe; 48. a spring; 49. a sliding sleeve; 5. a fixed structure; 51. a fixed mount; 52. fixing the contact pin; 6. a protective shell; 7. a chute; 8. a limiting block; 9. a first clamping block; 10. a slider; 11. and a second clamping block.

Detailed Description

The utility model discloses it is right that the following combines the attached drawing to describe specifically the utility model discloses, as shown in fig. 1-3, soil moisture apparatus, including control box 1, the outside fixedly connected with electronic display screen 2 of control box 1, be provided with control switch 3 on the electronic display screen 2, 1 bottoms of control box are connected with detector main part 4, the outside cover of detector main part 4 is equipped with fixed knot and constructs 5, control box 1 is provided with protective housing 6 outward.

The detector main body 4 comprises a fixed plate 41, a buzzer 42, a contact switch 43, a moving plate 44, a probe sleeve 45 and a sliding connecting rod 46, the probe sleeve 45 is arranged at one end of the detector main body 4, a probe 47 passes through the probe sleeve 45, the probe 47 is slidably connected with the probe sleeve 45, the fixing plate 41 is fixed on the inner wall of the detector main body 4, one end of the probe 47 is fixedly connected with the moving plate 44, the two sliding connecting rods 46 are respectively arranged at two sides of the probe 47, one end of the sliding connecting rod 46 is fixedly connected with the fixing plate 41, the two sliding connecting rods 46 respectively pass through two sliding sleeves 49, the sliding sleeves 49 are slidably connected with the sliding connecting rods 46, two ends of the moving plate 44 are fixedly connected with the two sliding sleeves 49 respectively, and the springs 48 are sleeved on the two sliding connecting rods 46. After an operator inserts the probe 47 into soil, the resistance of the soil to the probe 47 is increased along with the increase of the hardness of the soil, when the hardness of the soil is too high, the resistance of the soil to the probe 47 is greater than the thrust of the spring 48 to the probe 47, the probe 47 is pushed by the soil to move upwards along the sliding sleeve 49, under the driving action of the moving plate 44, the probe 47 drives the sliding sleeve 49 to move along the direction in which the sliding connecting rod 46 is supposed to be close to the fixed plate 41, in the process, the spring 48 is compressed, the moving plate 44 triggers the contact switch 43, the contact switch 43 sends a signal to a PLC in a control box, the PLC controls the buzzer 42 to send an alarm signal, and the operator immediately stops detection.

The fixing structure 5 comprises a fixing frame 51 and a fixing pin 52. The fixing frame 51 and the shell of the detector main body 4 are integrally formed, and the fixed contact pin 52 is fixedly connected with the bottom end of the fixing frame 51. Fix on soil surface, need not artifical the support, avoid the device to empty and cause the damage, influence monitoring result.

The contact switch 43 and the buzzer 42 are both fixed on one side of the fixed plate 41 close to the moving plate 44. The contact switches 43 are symmetrically provided in two.

The inside spout 7 that is equipped with of

protective housing

6, 7 one end of spout is equipped with stopper 8, stopper 8 one side is equipped with fixture block one 9, fixture block one 9 one side is connected with slider 10, fixture block one 9 one end outside fixedly connected with fixture block two 11 is kept away from to slider 10, slider 10 with spout 7 cooperatees. When not using, fixture block 9 cooperatees with stopper 8, make control box 1 remain stable motionless state, when the condition on electronic display screen 2 is observed to needs, promote fixture block two 11, make slider 10 remove in spout 7, turn to operating personnel one side on the electronic display screen 2, and then record the result on the display screen, protective housing 6 protects electronic display screen 2 and control box 1, prevent that electric leakage or dust from attaching above and influencing the use, the life of device has been prolonged.

And a sealing ring is arranged at one end of the probe sleeve 45, and the probe sleeve 45 is connected with the probe 47 through the sealing ring. The sealing ring is arranged to enable the probe 47 to be connected with the probe sleeve more tightly, so that the phenomenon of slipping is prevented.

The electronic display screen 2, the control switch 3, the probe 47, the buzzer 41, the contact switch 43 and the control box 1 are electrically connected. The PLC is arranged in the control box 1, and the signals transmitted into the control box 1 are processed to complete the moisture measuring function.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. The soil moisture tester is characterized by comprising a control box (1), wherein an electronic display screen (2) is fixedly connected to the outside of the control box (1), a control switch (3) is arranged on the electronic display screen (2), the bottom of the control box (1) is connected with a detector main body (4), a fixing structure (5) is sleeved outside the detector main body (4), and a protective shell (6) is arranged outside the control box (1);

the detector main body (4) comprises a fixed plate (41), a buzzer (42), a contact switch (43), a movable plate (44), a probe sleeve (45) and a sliding connecting rod (46), the probe sleeve (45) is arranged at one end of the detector main body (4), a probe (47) penetrates through the probe sleeve (45), the probe (47) is in sliding connection with the probe sleeve (45), the fixed plate (41) is fixed on the inner wall of the detector main body (4), one end of the probe (47) is fixedly connected with the movable plate (44), the two sliding connecting rods (46) are respectively arranged on two sides of the probe (47), one end of the sliding connecting rod (46) is fixedly connected with the fixed plate (41), the two sliding connecting rods (46) respectively penetrate through the two sliding sleeves (49), and the sliding connecting rods (46) are in sliding connection, two ends of the moving plate (44) are respectively and fixedly connected with the two sliding sleeves (49), and the springs (48) are sleeved on the two sliding connecting rods (46);

the fixing structure (5) comprises a fixing frame (51) and a fixing pin (52).

2. The soil moisture meter according to claim 1, wherein the contact switch (43) and the buzzer (42) are fixed to a side of the fixed plate (41) adjacent to the moving plate (44).

3. The soil moisture tester of claim 1, wherein the fixing frame (51) is integrally formed with the housing of the tester body (4), and the fixing pin (52) is fixedly connected with the bottom end of the fixing frame (51).

4. The soil moisture tester of claim 1, wherein a sliding groove (7) is formed in the protective shell (6), a limiting block (8) is arranged at one end of the sliding groove (7), a first clamping block (9) is arranged on one side of the limiting block (8), a sliding block (10) is connected to one side of the first clamping block (9), a second clamping block (11) is fixedly connected to the outer side of one end, away from the first clamping block (9), of the sliding block (10), and the sliding block (10) is matched with the sliding groove (7).

5. The soil moisture meter according to claim 1, wherein a sealing ring is provided at one end of the probe sleeve (45), and the probe sleeve (45) is connected with the probe (47) through the sealing ring.

6. The soil moisture meter according to claim 1, wherein the electronic display (2), the control switch (3), the probe (47), the buzzer (42), and the contact switch (43) are electrically connected to the control box (1).