CN215573218U

CN215573218U - Novel low water level liquid level measuring device

Info

Publication number: CN215573218U
Application number: CN202121866514.7U
Authority: CN
Inventors: 徐友顺; 唐朋飞
Original assignee: Shriver Wuxi Technology Co ltd
Current assignee: Shriver Wuxi Technology Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a novel low water level liquid level measuring device, which is technically characterized in that: including the spud pile, the top of spud pile is fixed with the casing, be fixed with step motor on the casing, step motor's motor shaft end connection has the lead screw, the outside of lead screw is slided and is connected with the slider, be fixed with on the casing and be in the slide bar of the vertical sliding guide of slider, the slider with slide between the slide bar and be connected, be fixed with the probe on the slider, the probe includes anodal and negative pole, anodal and negative pole tip in the probe are fixed with the liquid level piece respectively, be fixed with the controller on the casing, step motor's motor shaft end has the encoder through the coupling joint, the probe with the control input electric connection of controller, the control output of controller with electric connection between the step motor. The novel low water level liquid level measuring device has simple structure and reliable principle.

Description

Novel low water level liquid level measuring device

Technical Field

The utility model relates to the field of water level detection, in particular to a novel low water level liquid level measuring device.

Background

The most common means of liquid level measurement is a liquid level meter, some adopt a photoelectric principle, and some adopt a sound wave principle.

Chinese prior publication No. CN101506626A, which discloses a measuring device comprising a transducer for transmitting and receiving acoustic signals, and a waveguide connected to the transducer and adapted to extend into a liquid, characterized by guiding means for guiding a flow of liquid from a tank along the outside of a portion of the waveguide which during operation is located above the liquid level.

The device is complex in structure and is not suitable for liquid level measurement under the condition of low water level.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, the present invention is directed to a novel low water level liquid level measuring device to solve the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme:

a novel low water level liquid level measuring device comprises a fixed pile, a shell is fixed at the top of the fixed pile, a stepping motor is fixed on the shell, the end part of a motor shaft of the stepping motor is connected with a screw rod, a sliding block is connected to the outer part of the screw rod in a sliding manner, a sliding rod which is vertically guided to the sliding block in a sliding manner is fixed on the shell, the sliding block is connected with the sliding rod in a sliding way, a probe is fixed on the sliding block and comprises an anode and a cathode, the ends of the positive pole and the negative pole in the probe are respectively fixed with a liquid level sheet, the shell is fixed with a controller, the end part of a motor shaft of the stepping motor is connected with an encoder through a coupler, the probe is electrically connected with the control input end of the controller, the control output end of the controller is electrically connected with the encoder and the stepping motor, and a return-to-zero calibration module is fixed outside the sliding rod.

By adopting the technical scheme, the novel low water level liquid level measuring device has the advantages of simple structure and reliable principle; when using this neotype low water level liquid level measurement device, can start fixed step motor on the casing, step motor can drive the lead screw and rotate, it is down to drive the slider under the direction of slide bar, can drive the probe down when the slider is down, when anodal liquid level piece contact surface on with the negative pole in the probe, the probe intercommunication this moment, the probe can produce the high low level change to the control input foot end of controller, controller control encoder and step motor stop this moment, thereby liquid level detection purpose has been realized, utilize the calibration module that returns to zero to the encoder zero calibration when the slider goes upward the contact.

Preferably, a level is arranged at the top of the shell.

Through adopting above-mentioned technical scheme, utilize the spirit level on the casing to guarantee that the spud pile is in vertical state.

Preferably, the annular wall of the shell is provided with a plurality of wave dissipating holes.

Through adopting above-mentioned technical scheme, the unrestrained hole that disappears on the casing rampart can reduce the unrestrained impact of water.

Preferably, the spud has a tapered spigot at an end facing away from the housing, which is integrally formed with the spud.

Through adopting above-mentioned technical scheme, utilize the toper of spud pile tip to insert the stability that the spud pile was pegged graft.

Preferably, the control input end of the controller is electrically connected with an audible and visual alarm.

By adopting the technical scheme, when the controller controls the stepping motor to stop running, the audible and visual alarm can be synchronously triggered to give an alarm, so that early warning when the probe contacts the water surface is realized.

Preferably, the surface of the shell is coated with a layer of antirust coating.

Through adopting above-mentioned technical scheme, the antirust coating on casing surface can improve the antirust capacity of casing.

Preferably, a clamping block is fixed on the sliding block, and the anode and the cathode in the probe are respectively fixed in the clamping block in a penetrating manner.

Through adopting above-mentioned technical scheme, utilize the clamp splice of fixed on the slider can improve the fixed stability of probe.

Preferably, the fixing pile comprises a stainless steel core rod and a plastic layer fixed outside the stainless steel core rod.

By adopting the technical scheme, the fixing pile formed by the stainless steel core rod and the plastic layer has better strength and service life.

In summary, the utility model mainly has the following beneficial effects:

the novel low water level liquid level measuring device has simple structure and reliable principle; when using this neotype low water level liquid level measurement device, can start fixed step motor on the casing, step motor can drive the lead screw and rotate, it is down to drive the slider under the direction of slide bar, can drive the probe down when the slider is down, when anodal liquid level piece contact surface on with the negative pole in the probe, the probe intercommunication this moment, the probe can produce the high low level change to the control input foot end of controller, controller control encoder and step motor stop this moment, thereby liquid level detection purpose has been realized, utilize the calibration module that returns to zero to the encoder zero calibration when the slider goes upward the contact.

Drawings

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

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals: 1. fixing the pile; 2. a housing; 3. a stepping motor; 4. a lead screw; 5. a slider; 6. a slide bar; 7. a probe; 8. a liquid level sheet; 9. an encoder; 10. a return-to-zero calibration module; 11. a level gauge; 12. wave dissipating holes; 13. a tapered insert portion; 14. and (5) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 and 2, a novel low water level liquid level measuring device includes a fixed pile 1, wherein the fixed pile 1 can be inserted into a water surface to be measured and then fixed; in order to utilize this device to realize liquid level monitoring effect, top at spud pile 1 is fixed with casing 2, be fixed with step motor 3 on casing 2, step motor 3's motor shaft end connection has lead screw 4, lead screw 4's outside is slided and is connected with slider 5, be fixed with slide bar 6 to the vertical sliding guide of slider 5 on the casing 2, it is connected to slide between slider 5 and the slide bar 6, be fixed with probe 7 on the slider 5, probe 7 includes anodal and negative pole, anodal and negative pole tip in the probe 7 are fixed with liquid level piece 8 respectively, be fixed with the controller on casing 2, step motor 3's motor shaft end has encoder 9 through the coupling joint, probe 7 and controller's control input end electric connection, electric connection between controller's control output and encoder 9 and step motor 3, the outside of slide bar 6 is fixed with zeroing calibration module 10.

Referring to fig. 1 and 2, the novel low water level liquid level measuring device has simple structure and reliable principle; when using this neotype low water level liquid level measurement device, can start fixed step motor 3 on the casing 2, step motor 3 can drive lead screw 4 and rotate, it is down to drive slider 5 under slide bar 6's direction, can drive probe 7 down when slider 5 descends, when the 8 contact water surfaces of positive pole and the liquid level piece on the negative pole in probe 7, probe 7 intercommunication this moment, probe 7 can produce the high low level change to the control input foot end of controller, controller control encoder 9 and step motor 3 stop this moment, thereby the liquid level detection purpose has been realized, utilize the calibration module that returns to zero 10 to encoder 9 zero calibration when slider 5 goes upward the contact.

Referring to fig. 1 and 2, in order to ensure that the housing 2 can be kept in a horizontal state, a level 11 is arranged on the top of the housing 2, and the fixing pile 1 can be ensured to be in a vertical state by using the level 11 on the housing 2; in order to prevent the water waves from impacting the shell 2 excessively, a plurality of wave dissipation holes 12 are formed in the annular wall of the shell 2, and the wave dissipation holes 12 in the annular wall of the shell 2 can reduce the impact of the water waves.

Referring to fig. 1 and 2, the fixing pile 1 has a tapered insertion portion 13 integrally formed with the fixing pile 1 at an end facing away from the housing 2, and the stability of insertion of the fixing pile 1 can be ensured by the tapered insertion portion 13 at the end of the fixing pile 1; wherein the control input electric connection of controller has audible-visual annunciator, when controller control step motor 3 stopped to move, can trigger audible-visual annunciator in step and send out the police dispatch newspaper, early warning when realizing probe 7 contact surface.

Referring to fig. 1 and 2, in which a surface of the housing 2 is coated with a rust-proof coating, the rust-proof coating on the surface of the housing 2 can improve the rust-proof capability of the housing 2; wherein, a clamping block 14 is fixed on the slide block 5, the anode and the cathode in the probe 7 are respectively arranged in the clamping block 14 in a penetrating way, and the stability of fixing the probe 7 can be improved by utilizing the clamping block 14 fixed on the slide block 5.

Referring to fig. 1 and 2, the spud pile 1 includes a stainless steel core rod and a plastic layer fixed outside the stainless steel core rod, and the spud pile 1 formed by the stainless steel core rod and the plastic layer has better strength and service life.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel low water level liquid level measurement device, includes spud pile (1), its characterized in that: the top of spud pile (1) is fixed with casing (2), be fixed with step motor (3) on casing (2), the motor shaft end connection of step motor (3) has lead screw (4), the outside of lead screw (4) is slided and is connected with slider (5), be fixed with on casing (2) for slide bar (6) of the vertical sliding guide of slider (5), slider (5) with slide bar (6) between slide connection, be fixed with probe (7) on slider (5), probe (7) include positive pole and negative pole, positive pole and negative pole tip in probe (7) are fixed with liquid level piece (8) respectively, be fixed with the controller on casing (2), the motor shaft end of step motor (3) has encoder (9) through the coupling joint, probe (7) with the control input electric connection of controller, the control output end of the controller is electrically connected with the encoder (9) and the stepping motor (3), and a zero resetting calibration module (10) is fixed outside the sliding rod (6).

2. A novel low water level liquid level measuring device according to claim 1, characterized in that: a level (11) is arranged at the top of the shell (2).

3. A novel low water level liquid level measuring device according to claim 1, characterized in that: the annular wall of the shell (2) is provided with a plurality of wave dissipation holes (12).

4. A novel low water level liquid level measuring device according to claim 1, characterized in that: the spud pile (1) has a conical plug-in part (13) which is integrally formed with the spud pile (1) at the end facing away from the housing (2).

5. A novel low water level liquid level measuring device according to claim 1, characterized in that: and the control input end of the controller is electrically connected with an audible and visual alarm.

6. A novel low water level liquid level measuring device according to claim 1, characterized in that: the surface of the shell (2) is coated with a layer of antirust coating.

7. A novel low water level liquid level measuring device according to claim 1, characterized in that: a clamping block (14) is fixed on the sliding block (5), and the anode and the cathode in the probe (7) are respectively fixed in the clamping block (14) in a penetrating way.

8. A novel low water level liquid level measuring device according to claim 1, characterized in that: the fixing pile (1) comprises a stainless steel core rod and a plastic layer fixed outside the stainless steel core rod.