CN216746304U - Liquid level probe device - Google Patents

Liquid level probe device Download PDF

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Publication number
CN216746304U
CN216746304U CN202123237063.3U CN202123237063U CN216746304U CN 216746304 U CN216746304 U CN 216746304U CN 202123237063 U CN202123237063 U CN 202123237063U CN 216746304 U CN216746304 U CN 216746304U
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Prior art keywords
liquid level
magnetic sensor
magnetic
liquid
pipe
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CN202123237063.3U
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付磊
付红串
李再强
梁军
尹雄威
梁民
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Shenzhen Qixin Environmental Protection Technology Co ltd
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Shenzhen Qixin Environmental Protection Technology Co ltd
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Abstract

The utility model discloses a liquid level probe device, include: the liquid level pipe is positioned on the outer side of the target container and communicated with the target container, and a magnetic floater is arranged in the liquid level pipe and floats up and down in the liquid level pipe; the magnetic sensor is connected to the outer wall of the liquid level pipe, and when the magnetic floater floats to be positioned at the same horizontal level as the magnetic sensor, the magnetic sensor is communicated with the magnetic floater; and the magnetic sensor is connected with the controller and transmits a conduction signal to the controller, and the controller is connected with a driving mechanism so as to adjust the working state of the driving mechanism according to the conduction signal and control the flow of the liquid in the target container. The utility model discloses magnetic sensor contactless liquid among the liquid level probe device that technical scheme provided avoids being corroded by liquid, has guaranteed induction system's life.

Description

Liquid level probe device
Technical Field
The utility model relates to a liquid level switch equipment technical field, in particular to liquid level probe device.
Background
The existing market liquid level switches comprise a floating ball type, an electrode type, a tuning fork type, a capacitance type, a pressure type, an ultrasonic type and the like, and can also be collectively called liquid level probes, the liquid level probes have various prices and different uses, the ultrasonic type, the pressure type and the tuning fork type are expensive, are not anti-corrosive and are not easy to popularize, the capacitance type, the electrode type, the anti-corrosive property and the stability are not good, only the floating ball type plastic liquid level switch is used for treating strong alkali and strong acid sewage, the price is low, the floating ball type liquid level switch (the liquid level probe for short) is mostly directly put into liquid, the floating ball is blocked out of control due to long-term work in the liquid and sediment floating objects in the liquid, a signal lead of the liquid level probe is easy to corrode and break, and the replacement and maintenance work is frequent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid level probe device aims at solving among the prior art liquid level switch and directly puts into the liquid, and fragile changes the technical problem who maintains frequently.
In order to achieve the above object, the utility model provides a liquid level probe device, include:
the liquid level pipe is positioned on the outer side of the target container and is communicated with the target container, the liquid level of the liquid level pipe corresponds to the liquid level in the target container, and a magnetic floater is arranged in the liquid level pipe and floats up and down in the liquid level pipe;
the magnetic sensor is connected to the outer wall of the liquid level pipe, and when the magnetic floater floats to be positioned at the same horizontal level as the magnetic sensor, the magnetic sensor is communicated with the magnetic floater;
and the magnetic sensor is connected with the controller and transmits a conduction signal to the controller, and the controller is connected with a driving mechanism so as to adjust the working state of the driving mechanism according to the conduction signal and control the flow of the liquid in the target container.
Optionally, the magnetic sensor at least comprises a low liquid level magnetic sensor and a medium liquid level magnetic sensor, the outer side wall of the liquid level pipe is arranged at intervals along the floating direction of the magnetic floater, and when the magnetic floater is communicated with the low liquid level magnetic sensor, the driving mechanism limits the liquid to flow out of the target container; when the magnetic floater is communicated with the medium liquid level magnetic sensor, the driving mechanism drives the liquid to flow out of the target container.
Optionally, the magnetic sensor further comprises a high liquid level magnetic sensor, and the high liquid level magnetic sensor is disposed on one side of the medium liquid level magnetic sensor, which is far away from the low liquid level magnetic sensor.
Optionally, the magnetic sensor is movably arranged on the outer wall of the liquid level pipe.
Optionally, be provided with on the liquid level outside of tubes lateral wall with the pipe strap that magnetic sensor corresponds quantity, pipe strap detachable sets up on the liquid level pipe, just the holding tank has been seted up on the pipe strap, magnetic sensor is located in the holding tank.
Optionally, the pipe strap includes joint portion and installation department, joint portion is provided with the arc structure, just the diameter of arc structure with the external diameter of liquid level pipe suits to the cladding in the outer wall of liquid level pipe, the holding tank sets up the installation department.
Optionally, the liquid level pipe is further connected with a fixing plate, a positioning card is fixed on the fixing plate, and the positioning card is connected with the outer wall of the liquid level pipe.
Optionally, the number of the positioning clips is at least two, and the positioning clips are respectively located at the upper end and the lower end of the liquid level pipe.
Optionally, a wire slot is further disposed on the fixing plate, and the wire slot is used for accommodating a signal wire of the magnetic sensor.
Optionally, an indicator light is further arranged on the wire casing, the indicator light is connected with the driving mechanism, and when the driving mechanism is started, the indicator light is powered on and is in a light-emitting state; and/or the presence of a gas in the gas,
the fixed plate is also provided with a graduated scale.
The utility model discloses technical scheme sets up the liquid level pipe through adopting in the target container outside, and the liquid level is corresponding in liquid level pipe and the target container, sets up magnetic float and floats at the liquid surface in the liquid level pipe, and is floated from top to bottom along with the intraductal liquid level of liquid level moreover. The magnetic sensor is arranged on the outer wall of the liquid level pipe, and when the magnetic floater floats to the position where the magnetic sensor is located on the same horizontal plane, the magnetic sensor is conducted with the magnetic floater in an induction mode. The magnetic sensor does not contact liquid and is arranged outside the liquid level pipe, and particularly, the strong base and strong acid liquid cannot corrode an induction probe and a lead of the magnetic sensor. The magnetic sensor is also connected with a controller, and the controller is connected with a driving mechanism for controlling the liquid volume of the target container, so that the liquid volume in the target container is automatically controlled. This technical scheme sets up the outside at target container and liquid level pipe with the response subassembly, avoids being corroded by liquid, has guaranteed induction system's life, has reduced the probability of taking place the short circuit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a liquid level probe apparatus of the present invention;
fig. 2 is a schematic view of a pipe clamp structure according to an embodiment of the liquid level probe apparatus of the present invention.
The reference numbers illustrate:
reference numerals Name(s) Reference numerals Name (R)
1 Liquid level pipe 42 Mounting part
2 Magnetic float 43 Accommodating tank
3 Magnetic sensor 5 Fixing plate
31 High liquid level magnetic sensor 51 Positioning card
32 Magnetic sensor for medium liquid level 52 Wire slot
33 Low liquid level magnetic sensor 53 Indicator light
4 Pipe clamp 54 Scale ruler
41 Clamping part
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a liquid level probe device.
In the prior art, the current market liquid level switches comprise a floating ball type, an electrode type, a tuning fork type, a capacitor type, a pressure type, an ultrasonic type and the like, and can also be collectively called liquid level probes, the types of the liquid level probes are different in price and use, the ultrasonic type, the pressure type and the tuning fork type are expensive, are not anticorrosive and are not easy to popularize, the capacitor type, the electrode type, the anticorrosive property and the stability are not good, the floating ball type plastic liquid level switches are only used for treating strong alkali and strong acid sewage and are cheap, the floating ball type liquid level switches (called the liquid level probes for short) are mostly directly placed into liquid, the floating ball is stuck out of control due to long-term liquid internal work and liquid internal sediment floating objects, maintenance personnel are not easy to observe that the floating ball is stuck, a signal lead of the liquid level probe is easy to corrode and break, an electric appliance system is out of control and easy to leak liquid, and the replacement and maintenance work is frequent.
In order to solve the technical problem, the utility model discloses technical scheme sets up the liquid level pipe through adopting in the target container outside, and liquid level in the liquid level pipe is corresponding with the inboard liquid level of target container, sets up magnetic float and floats at the liquid surface in the liquid level pipe to float from top to bottom along with the liquid level, magnetic sensor sets up on the outer wall of liquid level pipe, magnetic float to with magnetic sensor when same horizontal plane, magnetic sensor switches on with the magnetic float response. The magnetic sensor is not contacted with liquid and is arranged outside the liquid level pipe, and particularly, the strong base and strong acid liquid cannot corrode an induction probe and a lead of the magnetic sensor. The magnetic sensor is also connected with a controller, and the controller is connected with a driving mechanism for controlling the liquid volume to realize the liquid volume in the target container. The induction assembly is arranged on the outer side of the target container and the liquid level pipe, so that the induction assembly is prevented from being corroded by liquid, the service life of the induction device is ensured, and the probability of short circuit is reduced.
The above technical solution is described in detail with reference to the accompanying drawings.
In the embodiment of the present invention, as shown in fig. 1-2, the liquid level probe apparatus is used as a liquid level switch of a target container, and specifically, the liquid level probe apparatus includes a liquid level pipe 1, a magnetic sensor 3 and a controller. The liquid level pipe 1 is located outside the target container and is communicated with the target container, and the liquid level in the liquid level pipe 1 corresponds to the liquid level in the target container, namely the liquid level of the liquid level pipe 1 represents the liquid level of the target container. The magnetic floater 2 is arranged in the liquid level pipe 1, and the magnetic floater 2 floats up and down in the liquid level pipe. The magnetic sensor 3 is connected to the outer wall of the liquid level pipe 1, and when the magnetic floater 2 floats to be positioned at the same horizontal plane with the magnetic sensor 3, the magnetic sensor 3 is conducted with the magnetic floater 2 in an induction mode. The magnetic sensor 3 is further communicated with the controller and transmits a conducting signal to the controller, the signal includes a current liquid level position, the controller is connected with a driving mechanism, the driving mechanism is used for controlling the flow of liquid in the target container, in the embodiment, the flow of the liquid refers to the extraction of the liquid from the target container, or the addition of the liquid to the target container, or the limitation of the liquid flowing out of the target container, and the controller analyzes and controls the driving mechanism according to the conducting signal.
In the specific implementation process, the controller is a PLC automatic control unit and comprises an automatic control program, and the driving mechanism is equipment for controlling the liquid in the container to flow, such as a pump or an electromagnetic valve and the like. The magnetic floater 2 is formed by placing magnets in a hollow plastic floating ball or placing magnets in hollow floaters made of other materials which are not easy to corrode. Magnetic sensor 3 swing joint is on the lateral wall of liquid level pipe 1, like this, and magnetic sensor 3 and lead wire can not soak in solution, and then magnetic sensor 3 and lead wire are difficult to corrode, especially in the environment of strong acid and alkali, guarantee induction system's life, reduce the probability that takes place the short circuit, and magnetic sensor 3 can need not frequently change.
Optionally, the magnetic sensor 3 at least includes a low liquid level magnetic sensor 33 and a medium liquid level magnetic sensor 32, and is disposed at an interval along a floating direction of the magnetic float 2 on an outer wall of the liquid level pipe 1, when the magnetic float 2 is conducted with the low liquid level magnetic sensor 3, the driving mechanism limits the liquid to flow out from the target container, and when the magnetic float 2 is conducted with the medium liquid level magnetic sensor 32, the driving mechanism drives the liquid to flow out from the target container.
In this embodiment, when the magnetic sensors 3 include two, that is, the low level magnetic sensor 33 and the middle level magnetic sensor 32, specifically, the low level magnetic sensor 33 is located at a position below the liquid level pipe 1, which indicates a lowest position that the liquid in the container is allowed to reach, and the magnetic float 2 reaches this position, the low level magnetic sensor 33 is turned on and transmits a signal to the controller, and the controller controls the driving mechanism to stop the target container from discharging the liquid to the outside. The middle liquid level magnetic sensor 32 is positioned above the liquid level pipe 1 relative to the low liquid level magnetic sensor 33 and represents the highest position allowed to be reached by adding liquid into the container, when the magnetic floater 2 reaches the position, the middle liquid level magnetic sensor 32 is conducted and transmits a signal to the controller, and the controller controls the driving mechanism to stop conveying the liquid into the container.
Further, the magnetic sensor 3 further comprises a high liquid level magnetic sensor 31, which aims to limit the maximum stroke amount of the highest liquid level of the floating ball and is used for ultra-high alarm. Specifically, the high level magnetic sensor 31 is disposed on a side of the middle level magnetic sensor 32 away from the low level magnetic sensor 33. In the specific implementation process, there may be a case that the middle liquid level magnetic sensor 32 is damaged, which may cause that the magnetic float 2 cannot be conducted with the middle liquid level magnetic sensor 32, and then the controller cannot control the driving mechanism to stop conveying liquid into the target container, so that the liquid level in the liquid level pipe 1 and the liquid in the target container continuously rise, when the liquid level of the liquid level pipe 1 drives the magnetic float 2 and the high liquid level magnetic sensor 31 to be on the same horizontal plane, the high liquid level magnetic sensor 31 is conducted, and transmits a signal to the controller.
Optionally, the magnetic sensor 3 is movably arranged on the outer wall of the liquid level pipe 1. In the specific implementation process, the movable arrangement of the magnetic sensor 3 can facilitate the adjustment of the position of the magnetic sensor 3 according to the needs, thereby flexibly controlling the flow of the liquid in the target container.
Optionally, be provided with pipe strap 4 that corresponds with magnetic sensor 3 quantity on the liquid level pipe 1 lateral wall, a magnetic sensor 3 corresponds a pipe strap 4 promptly, and 4 detachable settings of pipe strap are in liquid level pipe 1 outer wall, still set up holding tank 43 on the pipe strap 4, holding tank 43 internal fixation magnetic sensor 3. The position of the magnetic sensor 3 can be adjusted by connecting the adjusting pipe clamp 4 with the liquid level pipe 1, the clamping position can be adjusted at will according to needs, random flexible adjustment is realized, and the replacement is convenient.
Further, the pipe strap 4 includes joint portion 41 and installation department 42, and joint portion 41 sets up the arc structure, and the diameter of arc structure suits with the diameter of liquid level pipe 1 in order to coat in the outer wall of liquid level pipe 1, and pipe strap 4 utilizes arc structure joint on liquid level pipe 1, and the holding tank setting is at installation department 42.
In the specific implementation process, in order to avoid the problem that floating particles in the liquid are easy to block the blocking floating ball and are not easy to find, the liquid level pipe 1 adopts a liquid level transparent pipe, so that the floating particles are isolated, and the liquid level can be visually observed. Specifically, the liquid level pipe 1 is a transparent plastic pipe or a glass pipe, so that the liquid level and the state of the magnetic floater 2 in the pipe can be observed conveniently. In this embodiment, the arc structure laminating is at the lateral wall of liquid level pipe 1 to wrap up the outer wall of half girth of relevant position at least, guarantee the validity of joint. Specifically, the arc structure is the material that has elastic plastic or stereoplasm elasticity silica gel. The magnetic sensor 3 is connected at the installation part 42, that is, the accommodating groove 43 is opened at the accommodating part position, and the magnetic sensor 3 is fixed by the adhesive after being plugged into the accommodating groove 43. In addition, in order to improve the strength of the pipe clamp 4, the clamping portion 41 and the mounting portion 42 may be integrally formed.
Optionally, in order to facilitate installation of the liquid level pipe 1, in a specific implementation process, the liquid level pipe 1 is further connected with a fixing plate 5, a positioning clip 51 is fixed on the fixing plate 5, and the positioning clip 51 is connected to an outer wall of the liquid level pipe 1.
Further, in order to ensure the fixing effectiveness of the liquid level pipe 1, at least two positioning clips 51 are provided and are respectively located at the upper end and the lower end of the liquid level pipe 1. Fixing clip one end is fixed on fixed plate 5, and the other end joint is at the outer wall of liquid level pipe 1, fixes liquid level pipe 1 on fixed plate 5.
Further, a wire slot 52 is further disposed on the fixing plate 5, and the wire slot 52 is used for accommodating a signal wire of the magnetic sensor 3.
In the specific implementation process, the height of the fixing plate 5 is adapted to the height of the liquid level pipe 1, the wire groove 52 is located on one side of the liquid level pipe 1 and wraps the signal wires of the magnetic sensors 3, so that the signal wires can be conveniently combed, and the appearance is tidier.
Optionally, an indicator lamp 53 is further disposed on the wire casing 52, and a connecting wire of the indicator lamp 53 is also wrapped in the wire casing 52. The indicator lamp 53 is connected with the driving structure and is also controlled by the controller, and when the driving structure is started, the indicator lamp 53 is electrified to be in a light-emitting state; and/or, a graduated scale 54 is also arranged on the fixed plate 5.
Specifically, the extending direction of the scales is consistent with the height extending direction of the liquid level pipe 1, so that the liquid level and the volume of the container can be observed visually.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A fluid level probe apparatus, comprising:
the liquid level pipe is positioned on the outer side of the target container and is communicated with the target container, the liquid level of the liquid level pipe corresponds to the liquid level in the target container, and a magnetic floater is arranged in the liquid level pipe and floats up and down in the liquid level pipe;
the magnetic sensor is connected to the outer wall of the liquid level pipe, and when the magnetic floater floats to be positioned at the same horizontal level as the magnetic sensor, the magnetic sensor is communicated with the magnetic floater;
and the magnetic sensor is connected with the controller and transmits a conduction signal to the controller, and the controller is connected with a driving mechanism so as to adjust the working state of the driving mechanism according to the conduction signal and control the flow of the liquid in the target container.
2. The liquid level probe device as claimed in claim 1, wherein the magnetic sensor comprises at least a low liquid level magnetic sensor and a medium liquid level magnetic sensor, and the driving mechanism restricts the liquid from flowing out of the target container when the magnetic float is conducted with the low liquid level magnetic sensor and the outer side wall of the liquid level pipe is arranged at intervals along the floating direction of the magnetic float; when the magnetic floater is communicated with the medium liquid level magnetic sensor, the driving mechanism drives the liquid to flow out of the target container.
3. The fluid level probe apparatus of claim 2, wherein the magnetic sensor further comprises a high level magnetic sensor disposed on a side of the mid level magnetic sensor remote from the low level magnetic sensor.
4. The fluid level probe apparatus of claim 1, wherein the magnetic sensor is movably disposed on an outer wall of the fluid level tube.
5. The liquid level probe device as claimed in claim 4, wherein the liquid level tube is provided with a number of tube clamps corresponding to the number of the magnetic sensors on the outer side wall thereof, the tube clamps are detachably disposed on the liquid level tube, and the tube clamps are provided with accommodating grooves, and the magnetic sensors are located in the accommodating grooves.
6. The liquid level probe device as claimed in claim 5, wherein the pipe clamp comprises a clamping portion and a mounting portion, the clamping portion is provided with an arc-shaped structure, the diameter of the arc-shaped structure is adapted to the outer diameter of the liquid level pipe so as to cover the outer wall of the liquid level pipe, and the accommodating groove is formed in the mounting portion.
7. The liquid level probe apparatus of claim 1, wherein a fixing plate is further connected to the liquid level tube, and a positioning clip is fixed on the fixing plate and connected with an outer wall of the liquid level tube.
8. The fluid level probe apparatus of claim 7, wherein at least two of said positioning clips are provided and are located at the upper and lower ends of said fluid level tube.
9. The liquid level probe apparatus of claim 7, wherein the fixing plate is further provided with a wire slot for receiving a signal wire of the magnetic sensor.
10. The liquid level probe device as claimed in claim 9, wherein an indicator light is further disposed on the wire chase, the indicator light is connected to the driving mechanism, and when the driving mechanism is started, the indicator light is energized to be in a light-emitting state; and/or the presence of a gas in the gas,
the fixed plate is also provided with a graduated scale.
CN202123237063.3U 2021-12-21 2021-12-21 Liquid level probe device Active CN216746304U (en)

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Application Number Priority Date Filing Date Title
CN202123237063.3U CN216746304U (en) 2021-12-21 2021-12-21 Liquid level probe device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123237063.3U CN216746304U (en) 2021-12-21 2021-12-21 Liquid level probe device

Publications (1)

Publication Number Publication Date
CN216746304U true CN216746304U (en) 2022-06-14

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Application Number Title Priority Date Filing Date
CN202123237063.3U Active CN216746304U (en) 2021-12-21 2021-12-21 Liquid level probe device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115414978A (en) * 2022-11-07 2022-12-02 成都理工大学 Pollution-free corrosion-resistant liquid chemical quantifying mechanism and quantifying method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115414978A (en) * 2022-11-07 2022-12-02 成都理工大学 Pollution-free corrosion-resistant liquid chemical quantifying mechanism and quantifying method thereof
CN115414978B (en) * 2022-11-07 2023-05-30 成都理工大学 Pollution-free corrosion-resistant liquid chemical quantifying mechanism and quantifying method thereof

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