CN210742515U

CN210742515U - Lifting type water immersion transmitter

Info

Publication number: CN210742515U
Application number: CN201922143988.8U
Authority: CN
Inventors: 张朝
Original assignee: Jinan Renzhi Measurement And Control Technology Co Ltd
Current assignee: Jinan Renzhi Measurement And Control Technology Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-12
Anticipated expiration: 2029-12-02

Abstract

The utility model provides an over-and-under type water logging changer, relates to the sensor field, including the control panel, be connected with first electrode and second electrode through the wire on the control panel, be equipped with two sets of elevating system under the sensor housing, install first electro-magnet and second electro-magnet between elevating system and the sensor housing, directly over first electro-magnet and second electro-magnet are in elevating system, apply the alternating current on first electrode and the second electrode. Or the output states of the two voltages in the same period are complementary. The double-combination mode of mechanical lifting and voltage is utilized to reduce the influence of electrophoresis on the electrode as much as possible, the service life of the double-combination mode is prolonged, the mode of using voltage only can be applied to the existing water immersion transmitter, the cost does not need to be increased, the contact between the electrode and water can be better avoided by utilizing the mechanical lifting mode, the cost is not increased much, and the practicability is good.

Description

Lifting type water immersion transmitter

Technical Field

The utility model belongs to the technical field of the sensor and specifically relates to an over-and-under type water logging changer.

Background

The water sensor is based on the principle of liquid conduction, and uses electrode to detect whether there is water, and then uses the sensor to convert it into dry contact point output. At present, a contact type water immersion detector is generally used, and two polar probes are insulated by air in normal times; the probe is conducted in a water immersion state, and the sensor outputs a dry contact signal. When the probe is immersed in water to a height of about 1 mm, an alarm signal is generated. The above sensor has drawbacks in that when the probe is immersed in water, electrophoresis occurs, which causes rapid oxidation of the electrode to form an oxide film, and water leakage cannot be detected even when the probe is reused.

For example, chinese patent CN208421256U discloses a water sensor, which uses common electronic components to form a simple circuit to realize a water alarm function, but still uses a method of inserting a probe into water to realize electric conduction, and cannot solve the problem of probe electrode oxidation caused by electrophoresis.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned above, the utility model provides an over-and-under type water logging changer can effectively prolong electrode live time, eliminates the influence of electrophoresis to the electrode as far as possible.

The utility model provides a technical scheme that its technical problem adopted is:

a lifting type water immersion transmitter comprises a sensor shell, wherein a control panel is arranged on the sensor shell, a first electrode and a second electrode are connected to the control panel through leads, two groups of lifting mechanisms are arranged under the sensor shell, a first electromagnet and a second electromagnet are arranged between the lifting mechanisms and the sensor shell and are positioned right above the lifting mechanisms,

further, elevating system includes the mounting panel, the mounting panel is under the sensor housing, be equipped with upper sliding sleeve and lower sliding sleeve on the mounting panel, sliding fit has the lifter in upper sliding sleeve and the lower sliding sleeve, the lifter top is equipped with the limiting plate, two the lifter bottom is connected with down links the board, link fixedly connected with first electrode and second electrode on the board down.

Further, elevating system includes the slide rail, the slide rail is under the sensor housing, install the slider on the slide rail, fixedly connected with lifter on the slider, the lifter top is equipped with the limiting plate, two the lifter bottom is connected with down even the board, even fixedly connected with first electrode and second electrode on the board down.

The scheme is refined, and the first electrode and the second electrode are separated by a certain distance.

Further, the limiting plate is made of a ferromagnetic material.

Furthermore, the control panel is a single chip microcomputer, and two I/O ports of the single chip microcomputer are respectively connected with a first electrode and a second electrode.

Further, alternating current is applied to the first electrode and the second electrode.

Further, the voltage applied to the first electrode and the voltage applied to the second electrode are complementary in output state in the same period.

Furthermore, the first electromagnet and the second electromagnet are electrically connected with an electric control box.

Furthermore, the four corners of the mounting plate are respectively provided with a through hole, and screws can be mounted in the through holes.

Further, even the board bottom is equipped with the sliding tray down, the sliding tray side is equipped with the cooperation piece, sliding tray sliding fit has the kickboard, wherein be equipped with on the kickboard with cooperation piece matched with spacing groove, the gasbag has been placed between spacing tank bottom and the kickboard, the gasbag has the storage ball through the trachea intercommunication, the storage ball has the bulk material chamber through the conveying pipe intercommunication, bulk material chamber bottom is equipped with a plurality of small openings, place the electrolyte that is favorable to water electrically conductive in the storage ball.

The utility model has the advantages that:

the utility model discloses utilize the dual recombination mode of mechanical lift and voltage to reduce the influence of electrophoresis to the electrode as far as, strengthen its life, and the mode of simple service voltage also can be applied to current water logging changer, need not to increase the cost, utilize the mechanical lift mode can be better avoid electrode and water contact, the cost-push is not many, and the practicality is good.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic diagram of the output voltage of the I/O port of the first electrode;

FIG. 5 is a schematic diagram of the output voltage at the I/O port of the second electrode;

in the figure: 11 a sensor housing, 12 a control board, 13 a first electrode, 14 a second electrode,

21 mounting plate, 22 upper sliding sleeve, 23 lower sliding sleeve, 24 through holes, 25 lifting rod, 26 lower connecting plate, 27 floating plate,

31 a first electromagnet, 32 a second electromagnet, 33 an electric control box, 34 a limit plate,

261 sliding groove, 262 matching block, 263 air bag, 264 air pipe, 265 leakage hole, 266 material storage ball, 267 material feeding pipe, 268 material dispersing cavity,

271 a limit groove.

Detailed Description

As shown in fig. 1 to 5, the lifting type water immersion transmitter comprises a sensor housing 11, wherein a control board 12 is arranged on the sensor housing 11, and a first electrode 13 and a second electrode 14 are connected to the control board through leads.

In at least one embodiment, the control panel is a single chip microcomputer, and two I/O ports of the single chip microcomputer are respectively connected with a first electrode and a second electrode.

Two groups of lifting mechanisms are arranged under the sensor shell.

In this embodiment, elevating system includes mounting panel 21, the mounting panel is under the sensor housing, be equipped with upper sliding sleeve 22 and lower sliding sleeve 23 on the mounting panel, sliding fit has lifter 25 in upper sliding sleeve and the lower sliding sleeve, the lifter top is equipped with limiting plate 34. The bottoms of the two lifting rods are connected with a lower connecting plate 26, and a first electrode and a second electrode are fixedly connected onto the lower connecting plate.

Wherein, the first electrode and the second electrode are separated by a certain distance.

In some embodiments, the lifting mechanism includes a slide rail directly below the sensor housing, and a slide block is mounted on the slide rail and is fixedly connected with the lifting rod 25. And a limiting plate 34 is arranged at the top of the lifting rod. The bottoms of the two lifting rods are connected with a lower connecting plate 26, and a first electrode and a second electrode are fixedly connected onto the lower connecting plate.

The limiting plate is made of ferromagnetic materials.

And a first electromagnet 31 and a second electromagnet 32 are arranged between the two limiting plates and the sensor shell, wherein the first electromagnet 31 and the second electromagnet 32 are positioned right above the two limiting plates. And the first electromagnet 31 and the second electromagnet 32 are electrically connected with an electric control box 33.

In at least one embodiment, the mounting plate has a through hole 24 at each of the four corners, and a screw can be installed in the through hole for fixing on the wall or other places

The working mode is that when water is detected, the first electrode and the second electrode form electronic reflux between the two electrodes, the first electrode, the second electrode and the control panel form a passage, the control panel is connected with the electric control box and sends an instruction to the electric control box, the relay is conducted, the first electromagnet and the second electromagnet are electrified, the adsorption limiting plate is contacted with the electromagnet, the first electrode and the second electrode on the lower connecting plate are driven to be separated from the liquid level, and the electrophoresis of the two electrodes is avoided continuing.

In at least one embodiment, the bottom of the lower connecting plate 26 is provided with a sliding groove 261, the side surface of the sliding groove is provided with a matching block 262, the floating plate 27 is in sliding fit in the sliding groove, the floating plate is provided with a limiting groove 271 matched with the matching block, and the matching block is not only designed for the sliding fit of the floating plate and the sliding groove, but also avoids the sliding groove of the floating plate. Placed gasbag 263 between spacing tank bottom and the kickboard, the gasbag has storage ball 266 through the trachea intercommunication, storage ball has bulk material chamber 268 through conveying pipe 267 intercommunication, bulk material chamber bottom is equipped with a plurality of small openings 265.

Electrolyte which is beneficial to water conduction is placed in the storage ball.

When the condition of leaking appearing, the floater is because buoyancy rises, extrudees the gasbag for air in the gasbag is extruded to the storage ball in, and a lot of electrolytes have been put to the storage ball, makes the electrolyte fall to the aquatic between two electrodes from the small opening, more reason the electric conduction of water, more timely detection liquid level change.

Because the electrophoresis is that the charged particles move towards the electrode with the opposite electric property under the action of the electric field, alternating current can be applied to the first electrode and the second electrode to realize the continuous cyclic reciprocating movement of the charged particles, and the influence of the electrophoresis on the electrodes is reduced.

Or as shown in fig. 4 and 5, the output states of the voltage applied to the first electrode and the voltage applied to the second electrode in the same period are complementary, when a high-level output is applied to the first electrode, a low-level output is applied to the second electrode, and the two are circularly repeated, and direct current is used to replace alternating current to reduce the influence of electrophoresis on the electrodes.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. The utility model provides an over-and-under type water logging changer, includes sensor housing, the last control panel that is equipped with of sensor housing, its characterized in that, be connected with first electrode and second electrode through the wire on the control panel, be equipped with two sets of elevating system under the sensor housing, install first electro-magnet and second electro-magnet between elevating system and the sensor housing, first electro-magnet and second electro-magnet are directly over elevating system.

2. The elevating type water logging transmitter of claim 1, wherein the elevating mechanism comprises a mounting plate, the mounting plate is located under the sensor housing, the mounting plate is provided with an upper sliding sleeve and a lower sliding sleeve, the upper sliding sleeve and the lower sliding sleeve are internally provided with a lifting rod in a sliding fit manner, the top of the lifting rod is provided with a limiting plate, the bottoms of the two lifting rods are connected with a lower connecting plate, and the lower connecting plate is fixedly connected with a first electrode and a second electrode.

3. The elevating type water logging transmitter of claim 1, wherein the elevating mechanism comprises a slide rail, the slide rail is located under the sensor housing, a slide block is installed on the slide rail, a lifting rod is fixedly connected to the slide block, a limiting plate is arranged on the top of the lifting rod, a lower connecting plate is connected to the bottoms of the two lifting rods, and a first electrode and a second electrode are fixedly connected to the lower connecting plate.

4. The elevating submersible transmitter according to claim 2 or 3, wherein the limiting plate is made of a ferromagnetic material.

5. The elevating water immersed transducer according to claim 1, wherein the control board is a single chip microcomputer, and two I/O ports of the single chip microcomputer are respectively connected with a first electrode and a second electrode.

6. The lifting type water logging transmitter as claimed in claim 2 or 3, wherein a sliding groove is formed in the bottom of the lower connecting plate, a matching block is arranged on the side face of the sliding groove, a floating plate is in sliding fit in the sliding groove, a limiting groove matched with the matching block is formed in the floating plate, an air bag is placed between the bottom of the limiting groove and the floating plate, the air bag is communicated with a material storage ball through an air pipe, the material storage ball is communicated with a material scattering cavity through a feeding pipe, a plurality of leakage holes are formed in the bottom of the material scattering cavity, and electrolyte beneficial to water conduction is placed in the material storage ball.

7. The elevating submersible transmitter of claim 1, wherein alternating current is applied to the first and second electrodes.

8. The elevating submersible transmitter of claim 1, wherein the voltage applied to the first electrode is complementary to the voltage applied to the second electrode in output state during the same period.

9. The elevating water immersed transducer according to claim 1, wherein the first electromagnet and the second electromagnet are electrically connected with an electric control box.

10. The elevating water immersed transducer as claimed in claim 2, wherein a through hole is provided at each of four corners of the mounting plate, and a screw is installed in the through hole.