CN218069713U

CN218069713U - Liquid level switch sensor device

Info

Publication number: CN218069713U
Application number: CN202222042542.8U
Authority: CN
Inventors: 胡华; 李绍民
Original assignee: Guangzhou Ruite Sensor Instrument Co ltd
Current assignee: Guangzhou Ruite Sensor Instrument Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-12-16
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a liquid level switch technical field just discloses a liquid level switch sensor device, which comprises a supporting column, the lower part fixedly connected with locating plate of support column, the reference column has been cup jointed in the lower part activity of support column, the upper portion fixedly connected with sensor limit cover of support column, the position sleeve is installed on the upper portion of sensor limit cover, the sensor inductor has been cup jointed in the inside activity of position sleeve, the upper cover has been cup jointed in the upper portion activity of position sleeve, the upper portion fixedly connected with resistance adjustment pole of catch bar. This level switch sensor device installs respectively in the outside inside of support column through cursory and magnetic core adjusting collar, cursory reciprocating process, and portability magnetic core adjusting collar reciprocates in the inside of support column to avoid direct contact between cursory and the magnetic core adjusting collar, magnetic core adjusting collar rebound in-process simultaneously, avoid needing propelling movement equipment to remove in-process liquid circulation to the inside of support column.

Description

Liquid level switch sensor device

Technical Field

The utility model relates to a liquid level switch technical field specifically is a liquid level switch sensor device.

Background

At water conservancy detection and closestool bath in-process, need utilize liquid switch control liquid to circulate, utilize the liquid level to come the switch of control scheme break-make, in level switch, need utilize sensor drive signal to conduct, level switch also calls level switch, level sensor, as the name suggests, is exactly the switch that is used for controlling the liquid level. The form is largely classified into a contact type and a noncontact type. The commonly used non-contact switch is a capacitive liquid level switch, and the contact type floating ball type liquid level switch is most widely applied.

In current liquid level switch sensor device, liquid switch utilizes the floater to reciprocate and push switch reciprocates, and the switch contacts with the sensor, drive arrangement starts after the sensor contact simultaneously, install the connecting rod between floater and the switch simultaneously, the connecting rod drives floater and switch movement orbit and prescribes a limit to, floater and switch move on spacing post for convenience, need set up the spout in the outside of spacing post, spacing post carries the switch to soak in the inside of liquid after seting up the spout, the switch soaks can lead to liquid to cause the corruption to the switch in the inside of liquid, can influence the contact effect of switch after the corruption.

SUMMERY OF THE UTILITY MODEL

The not enough to current liquid level switch sensor device, the utility model provides a liquid level switch sensor device possesses the magnetic core adjusting collar and fills in the inside of support column to the magnetic core adjusting collar can keep the whole leakproofness of equipment behind the inside of support column, avoid liquid direct and the outside liquid contact of support column, lead to liquid to cause corrosion damage to the magnetic core adjusting collar, the while is cursory along with the rising of liquid level, utilize the advantage of the inside removal of magnetic core adjusting collar under the effect of magnetic force in step promotion, the problem of proposing among the above-mentioned background art has been solved.

The utility model provides a following technical scheme: the utility model provides a liquid level switch sensor device, includes the support column, the lower part fixedly connected with locating plate of support column, the reference column has been cup jointed in the lower part activity of support column, the upper portion fixedly connected with sensor limit cover of support column, the position sleeve is installed on the upper portion of sensor limit cover, the sensor inductor has been cup jointed in the inside activity of position sleeve, the upper cover has been cup jointed in the upper portion activity of position sleeve, the upper portion fixedly connected with resistance adjustment pole of catch bar, the buoy has been cup jointed in the outside activity of support column, the magnetic core adjusting collar has been cup jointed in the inside activity of support column, the flexible trigger bar of upper portion fixedly connected with of magnetic core adjusting collar, the catch bar has been cup jointed in the inside lower extreme activity of sensor limit cover, the inside upper end fixedly connected with variable resistance of sensor limit cover, the spring is installed in the outside on catch bar upper portion, the first connecting wire of middle part fixedly connected with of resistance adjustment pole upper end, the upper portion fixedly connected with second connecting wire of variable resistance.

Preferably, fastening bolts are mounted on the outer portions of the positioning plates mounted between the outer portions of the positioning columns and the connecting portions of the supporting columns, and the lower portions of the positioning columns are conical.

Preferably, a permanent magnet is installed on the inner side of the float, the thickness of the supporting column is not more than five millimeters, and nitrogen is filled in the float.

Preferably, the telescopic trigger rod consists of a telescopic jacket and a telescopic rod, and the upper part of the telescopic trigger rod can be contacted with the lower part of the push rod.

Preferably, the upper part of the resistance adjusting rod is in contact with the lower end of the inner part of the variable resistor, and the spring is arranged between the push rod and the variable resistor.

Preferably, a fastening bolt is installed between the connecting part of the positioning sleeve and the sensor limiting sleeve, a fastening bolt is installed between the upper cover and the positioning sleeve, and a connecting wire is installed in the middle of the outer side of the sensor inductor and is connected with the alarm device.

Preferably, the outside of the push rod is tightly attached to the inner wall of the sensor limiting sleeve, and the upper parts of the first connecting wire and the second connecting wire are fixedly connected to the lower part of the sensor inductor.

With the contrast of current level switch sensor device, the utility model discloses possess following beneficial effect:

1. this level switch sensor device installs respectively in the outside inside of support column through cursory and magnetic core adjusting collar, cursory reciprocating process, and portability magnetic core adjusting collar reciprocates in the inside of support column to avoid direct contact between cursory and the magnetic core adjusting collar, magnetic core adjusting collar rebound in-process simultaneously, avoid needing propelling movement equipment to remove in-process liquid circulation to the inside of support column.

2. This level switch sensor device, install the inside at sensor restriction cover through the catch bar, and the resistance adjustment pole is installed on the upper portion of catch bar, the inboard of variable resistance is hugged closely to the outside of resistance adjustment pole, and when the cursory rises along with the water level, the flexible trigger bar rebound of magnetic core adjusting collar promotion, and flexible trigger bar promotes the catch bar rebound, and carry the inside removal of resistance adjustment pole at variable resistance, and contact position is different between variable resistance and the resistance adjustment pole, the resistance of production can be adjusted, produce the liquid level coverage through observing the resistance and change the back and produce the voltage condition and can calculate effectively, simultaneously can trigger switch starts.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic sectional view of the main body of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: 1. a support pillar; 2. positioning a plate; 3. a positioning column; 4. floating; 5. a magnetic core adjusting sleeve; 6. a telescopic trigger lever; 7. a sensor defining sleeve; 8. a push rod; 9. a variable resistance; 10. a spring; 11. a positioning sleeve; 12. a sensor; 13. an upper cover; 14. a resistance adjusting rod; 15. a first connecting line; 16. and a second connecting line.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a liquid level switch sensor device includes a supporting column 1, a positioning plate 2 is fixedly connected to the lower portion of the supporting column 1, the positioning plate 2 carries the supporting column 1 and the positioning plate 2 to increase sealing performance in the installation process, and the positioning column 3 is detached to facilitate installation and detachment of a magnetic core adjusting sleeve 5, the positioning column 3 is movably sleeved on the lower portion of the supporting column 1, the positioning column 3 is inserted into the water bottom, and stability is increased when the positioning column 3 is installed, a sensor limiting sleeve 7 is fixedly connected to the upper portion of the supporting column 1, the sensor limiting sleeve 7 carries the position of a push rod 8 and a variable resistor 9 to be limited, a positioning sleeve 11 is installed on the upper portion of the sensor limiting sleeve 7, the positioning sleeve 11 limits the position of a sensor inductor 12, a sensor inductor 12 is movably sleeved inside the positioning sleeve 11, and the sensor inductor 12 receives the whole signal of the sensor, an upper cover 13 is movably sleeved on the upper part of a positioning sleeve 11, the upper cover 13 is used for sealing and protecting the upper part of the positioning sleeve 11, a resistance adjusting rod 14 is fixedly connected on the upper part of a push rod 8, the resistance adjusting rod 14 is in contact with the inner side of a variable resistor 9 and carries the integral resistance value of the variable resistor 9 to be adjusted, the liquid level height can be detected by observing the change of the resistance value, a buoy 4 is movably sleeved on the outer part of a supporting column 1, the buoy 4 is synchronously adjusted along with the rising of the liquid level, a magnetic core adjusting sleeve 5 is movably sleeved inside the supporting column 1, the magnetic core adjusting sleeve 5 moves upwards and drives a telescopic trigger rod 6 to move upwards, the telescopic trigger rod 6 is fixedly connected on the upper part of the magnetic core adjusting sleeve 5, the telescopic trigger rod 6 moves upwards and simultaneously adjusts the height mechanical energy of the push rod 8, and the push rod 8 is movably sleeved on the lower end inside a sensor limiting sleeve 7, the upper end fixedly connected with variable resistance 9 inside sensor limit cover 7, the back takes place to change variable resistance 9 resistance, according to the condition of observing the voltmeter, can detect out hydraulic height, drive switch starts simultaneously, spring 10 is installed to the outside on catch bar 8 upper portion, spring 10 promotes catch bar 8 and returns to initial condition, the middle part fixedly connected with first connecting wire 15 of resistance adjusting rod 14 upper end, the upper portion fixedly connected with second connecting wire 16 of variable resistance 9, first connecting wire 15 and second connecting wire 16 carry the circuit and form the return circuit and conduct.

Referring to fig. 1 and 2, fastening bolt is all installed to the outside of locating plate 2 of installation between the outside of reference column 3 and the support column 1 junction, the lower part of reference column 3 is coniform, through having cup jointed reference column 3 with the inside lower extreme activity of support column 1, the externally mounted who carries locating plate 2 simultaneously has fastening bolt, reference column 3 can seal the inside of support column 1 lower extreme and prescribe a limit to, the inside of reference column 3 lower extreme becomes coniform simultaneously, when support column 1 installs at submarine, conveniently carry reference column 3 and insert the inside of prescribing a limit to the bottom of the ground.

Referring to fig. 2, the permanent magnet is installed to the inboard of float 4, the thickness of support column 1 is no longer than five millimeters, the inside packing of float 4 has nitrogen gas, install the outside at support column 1 through float 4, the inside at support column 1 is installed to magnetic core adjusting collar 5, the permanent magnet is installed in the outside of float 4 simultaneously, in use, float 4 receives under the effect of buoyancy can promote the rebound, install when the inside at support column 1 at packing magnetic core adjusting collar 5 simultaneously, can the rebound in-process, avoid float 4 to remove and cause the interference, reduce simultaneously cursory 4 and magnetic core adjusting collar 5 be connected and prescribe a limit, avoid needing to set up the recess in the inside of support column 1 in the connection process, lead to liquid to leak to the inside of support column 1, thereby avoid liquid to cause the interference at the inside removal of support column 1 to magnetic core adjusting collar 5.

Referring to fig. 2, flexible trigger bar 6 comprises flexible clamp cover and telescopic link, and the upper portion of flexible trigger bar 6 can contact with the lower part of catch bar 8, and through the upper portion of adjusting flexible trigger bar 6, the interval between portability control magnetic core adjusting sleeve 5 and the catch bar 8 is adjusted to catch bar 8 upwards removes the in-process, can promote catch bar 8 and control the regulation in the inside position of sensor restriction cover 7.

Referring to fig. 3, the upper part of the resistance adjusting rod 14 contacts the lower end inside the variable resistor 9, the spring 10 is installed between the pushing rod 8 and the variable resistor 9, the upper part of the resistance adjusting rod 14 is tightly attached to the inner wall of the variable resistor 9, and meanwhile, in the process that the magnetic core adjusting sleeve 5 moves upwards inside the supporting column 1, the position of the resistance adjusting rod 14 inside the variable resistor 9 can be pushed to be adjusted, and meanwhile, the resistance generated by the variable resistor 9 receiving signals is carried to be controlled and adjusted, according to different states of the received resistors, the depth of the water level during detection can be detected, and meanwhile, after the water level drops, the pushing rod 8 is pushed downwards to move under the elastic action of the spring 10, and the pushing rod 8 can return to the initial state.

Referring to fig. 3, a fastening bolt is installed between the joint of the positioning sleeve 11 and the sensor limiting sleeve 7, a fastening bolt is installed between the upper cover 13 and the positioning sleeve 11, a connecting line is installed in the middle of the outer side of the sensor inductor 12 and is connected with an alarm device, the positioning sleeve 11, the sensor limiting sleeve 7 and the joint of the upper cover 13 are limited by the fastening bolt, the stability of the device in the connection process is improved, and meanwhile, the problem of liquid leakage caused by the fact that the device is installed in water is solved.

Referring to fig. 3, the outside of the push rod 8 is tightly attached to the inner wall of the sensor defining sleeve 7, the upper portions of the first connecting wire 15 and the second connecting wire 16 are both fixedly connected to the lower portion of the sensor inductor 12, the inner wall of the sensor defining sleeve 7 is tightly attached to the outside of the push rod 8, during the up-and-down movement process of the push rod 8 in the sensor defining sleeve 7, the stability is increased during the position adjustment of the resistance adjusting rod 14 in the movement process, meanwhile, the upper portions of the first connecting wire 15 and the second connecting wire 16 are both fixedly connected to the lower portion of the sensor inductor 12, a circulation space is formed between the first connecting wire 15, the variable resistor 9 and the second connecting wire 16, and the circulation space can carry current for conduction.

The working principle is as follows: during the use, install magnetic core adjusting collar 5 in the inside of support column 1, it installs reference column 3 to seal up and prescribes a limit to drive the lower part of support column 1 simultaneously, during the use, support column 1 is installed perpendicularly in the inside of liquid, simultaneously the liquid level rebound in-process, cursory 4 receives the effect of buoyancy and promotes the rebound down, cursory 4 rebound in-process carries promotion magnetic core adjusting collar 5 and upwards moves simultaneously, the upper portion and the catch bar 8 contact of flexible trigger bar 6 of magnetic core adjusting collar 5 promotion simultaneously, and catch bar 8 rebound promotion resistance adjusting lever 14 and variable resistance 9's inboard contact, and catch bar 8 rebound distance is different, the inside resistance that forms the route of variable resistance 9 is adjusted, can accurately detect the height of liquid level through observing the electric road sign internal resistance condition.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid level switch sensor device, includes support column (1), lower part fixedly connected with locating plate (2) of support column (1), reference column (3) have been cup jointed in the lower part activity of support column (1), upper portion fixedly connected with sensor limit cover (7) of support column (1), position sleeve (11) are installed on the upper portion of sensor limit cover (7), sensor inductor (12) have been cup jointed in the inside activity of position sleeve (11), upper cover (13) have been cup jointed in the upper portion activity of position sleeve (11), upper portion fixedly connected with resistance adjusting rod (14) of catch bar (8), its characterized in that: cursory (4) have been cup jointed in the outside activity of support column (1), magnetic core adjusting collar (5) have been cup jointed in the inside activity of support column (1), the flexible trigger bar of upper portion fixedly connected with (6) of magnetic core adjusting collar (5), catch bar (8) have been cup jointed in the lower extreme activity of sensor restriction cover (7) inside, the inside upper end fixedly connected with variable resistance (9) of sensor restriction cover (7), spring (10) are installed in the outside on catch bar (8) upper portion, first connecting wire of middle part fixedly connected with (15) of resistance adjusting lever (14) upper end, the upper portion fixedly connected with second connecting wire (16) of variable resistance (9).

2. A level switch sensor assembly as set forth in claim 1, wherein: and fastening bolts are arranged on the outer portions of the positioning plates (2) arranged between the outer portions of the positioning columns (3) and the connecting portions of the supporting columns (1), and the lower portions of the positioning columns (3) are conical.

3. A level switch sensor assembly as set forth in claim 1, wherein: the inside of cursory (4) is installed the permanent magnet, the thickness of support column (1) is no longer than five millimeters, the inside packing of cursory (4) has nitrogen gas.

4. A level switch sensor assembly as set forth in claim 1, wherein: the telescopic trigger rod (6) is composed of a telescopic jacket and a telescopic rod, and the upper part of the telescopic trigger rod (6) can be in contact with the lower part of the push rod (8).

5. A level switch sensor assembly as defined in claim 1, wherein: the upper part of the resistance adjusting rod (14) is in contact with the lower end of the inside of the variable resistor (9), and the spring (10) is installed between the push rod (8) and the variable resistor (9).

6. A level switch sensor assembly as set forth in claim 1, wherein: the sensor is characterized in that a fastening bolt is installed between the connecting position of the positioning sleeve (11) and the sensor limiting sleeve (7), the fastening bolt is installed between the upper cover (13) and the positioning sleeve (11), and a connecting wire is installed in the middle of the outer side of the sensor (12) and connected with an alarm device.

7. A level switch sensor assembly as set forth in claim 1, wherein: the outside of the push rod (8) is tightly attached to the inner wall of the sensor limiting sleeve (7), and the upper parts of the first connecting wire (15) and the second connecting wire (16) are fixedly connected to the lower part of the sensor inductor (12).