CN217403544U

CN217403544U - Multi-point liquid level detection device

Info

Publication number: CN217403544U
Application number: CN202122861676.8U
Authority: CN
Inventors: 唐勇军; 李新春; 何胜平
Original assignee: Sino Foundry Refractory Jiangsu Co ltd
Current assignee: Sino Foundry Refractory Jiangsu Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-09-09
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a multiple spot liquid level detection device, including electric putter, electric putter's end connection has the backup pad, and one side of backup pad is connected with the probe, one side of probe is provided with accurate detection mechanism, still be provided with public probe between probe and the accurate detection mechanism. The utility model discloses a be connected the wiring end of main probe and public probe and outside current control system, again with the probe slowly insert the molten metal in survey, along with the continuous change of liquid level, the molten metal is at the main probe of the high closed corresponding high position of meeting of difference, then the liquid level is in the main probe in return circuit and does not form between the main probe in way, control system is distinguishable liquid level from this between which two main probes, and then obtain liquid level height data, compare in the liquid level that traditional only can survey specific a height, realized surveying not co-altitude liquid level.

Description

Multi-point liquid level detection device

Technical Field

The utility model relates to a metal liquid level detection technical field, in particular to multiple spot liquid level detection device.

Background

In the process of processing metal, metal is required to be melted into molten metal and a special container is adopted for shipping, and in the process of storing and transferring the molten metal, detection equipment is required to be used for carrying out liquid level detection on the molten metal in the container, namely the liquid level height of the molten metal is detected, so that the liquid level of the molten metal in the container can be conveniently determined.

The traditional molten metal liquid level detection device has the following defects in use: 1. the traditional molten metal liquid level detection device generally detects a specific liquid level, namely a float switch or a metal probe is placed at the specific liquid level, when the liquid level of the molten metal rises, the float switch acts or the liquid level contacts the metal probe, so that a current loop is formed between the molten metal and the metal probe, and a control system obtains a signal that the liquid level of aluminum reaches a certain height, can only detect the liquid level at a specific height and cannot detect the liquid levels at different heights; 2. traditional molten metal liquid level detection device can only carry out rough judgement to liquid level when using, can't accurately obtain the inside liquid level height's of container data, has restricted detection device's application scope, for this reason, we provide a multiple spot liquid level detection device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a multipoint liquid level detecting device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multiple spot liquid level detection device, includes electric putter, electric putter's end connection has the backup pad, and one side of backup pad is connected with the probe, one side of probe is provided with accurate detection mechanism, still be provided with public probe between probe and the accurate detection mechanism, accurate detection mechanism all installs in the backup pad with public probe, the inside main probe that is provided with of probe, and the both ends of main probe all extend the probe.

Preferably, a reinforcing rod is further connected between the electric push rod and the support plate, and the vertical section of the probe rod in the front view is in an inverted trapezoid or square shape.

Preferably, one end of the main probe, which is arranged at the top of the probe, is a wiring end, and the other end of the main probe is a detection end.

Preferably, accurate detection mechanism includes cylinder, plectane, vice probe and displacement sensor, one side of probe rod is provided with the cylinder, and the cylinder is installed in the backup pad, the end connection of cylinder has the plectane, and the plectane bottom is connected with vice probe, one side of plectane is provided with displacement sensor, and displacement sensor fixes in the backup pad bottom, displacement sensor's sense terminal is connected with the plectane.

Preferably, the probe is cast by high-temperature-resistant and fire-resistant insulating materials.

Preferably, the number of the main probes arranged inside the probe is at least two, and the main probes are made of steel.

Preferably, the sub probe is electrically connected to a terminal of the main probe.

Preferably, the detection ends of the main probes in the probe rod are sequentially arranged from bottom to top, and the detection end of each main probe has a certain height difference.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the liquid level detection device comprises a probe, a main probe, a control system and a liquid level detection system, wherein the main probe is arranged in the probe, the main probe is discharged in a mode with a certain height difference, a high-temperature-resistant and fire-resistant insulating material is adopted to pour and seal the main probe, in the actual use process, a wiring terminal of the main probe and the common probe are connected with an external existing control system, the probe is slowly inserted into molten metal for detection, the molten metal closes the main probe at a corresponding height position at different heights along with the continuous change of the liquid level, the liquid level is positioned between the main probe forming a loop and the main probe not forming the loop, the control system can identify the position of the liquid level between the two main probes, and then liquid level height data are obtained, compared with the traditional method that only can detect the liquid level at a specific height, and the detection of the liquid levels at different heights is realized;

2. a common probe is further arranged on one side of the probe, and when the main probe at the bottommost part of the probe is contacted with the molten metal, the main probe can form a loop through the molten metal and the common probe, so that the detection range of the probe is enlarged;

3. when the accurate detection operation of liquid level is carried out to needs, through the cylinder operation in the accurate detection mechanism of control, promote vice probe and move down, move down the degree of depth that moves down of vice probe of in-process displacement sensor real-time supervision, when the bottom contact liquid level of vice probe, vice probe passes through to form the return circuit between molten metal and the main probe, and then learns that vice probe has contacted the liquid level, stop the cylinder operation this moment, can obtain the accurate numerical value of liquid level height through displacement sensor's monitoring numerical value, can carry out accurate detection to the metal liquid level.

Drawings

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic diagram of the probe of the present invention for detecting the height of the molten metal level.

In the figure: 1. an electric push rod; 2. a support plate; 3. a probe; 4. a common probe; 5. a primary probe; 6. a cylinder; 7. a circular plate; 8. a secondary probe; 9. a displacement sensor; 10. a reinforcing rod.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-2, a multipoint liquid level detecting device comprises an electric push rod 1, wherein a supporting plate 2 is connected to the end of the electric push rod 1, a probe 3 is connected to one side of the supporting plate 2, an accurate detecting mechanism is arranged on one side of the probe 3, a common probe 4 is further arranged between the probe 3 and the accurate detecting mechanism, the accurate detecting mechanism and the common probe 4 are both installed on the supporting plate 2, a main probe 5 is arranged inside the probe 3, and the probe 3 is extended from the two ends of the main probe 5.

Specifically, still be connected with stiffener 10 between electric putter 1 and the backup pad 2, the vertical section when probe 3 is just looking is established to be down trapezoidal or square, and during concrete implementation, probe 3 generally adopts the inverted circular truncated cone shape, and when the molten metal altitude variation, the metal is difficult to hang on the probe 3 surface.

Specifically, one end of the main probe 5, which is arranged on the top of the probe rod 3, is a wiring end, and the other end of the main probe 5 is a detection end.

Specifically, accurate detection mechanism includes cylinder 6, plectane 7, vice probe 8 and displacement sensor 9, and one side of probe 3 is provided with cylinder 6, and cylinder 6 installs in backup pad 2, and the end connection of cylinder 6 has plectane 7, and plectane 7 bottom is connected with vice probe 8, and one side of plectane 7 is provided with displacement sensor 9, and displacement sensor 9 fixes in backup pad 2 bottom, and displacement sensor 9's sense terminal is connected with plectane 7, and accurate detection mechanism is used for the liquid level height of accurate detection metal melt.

Specifically, the probe 3 is formed by pouring a high-temperature-resistant and fire-resistant insulating material, and the main probe 5 is prevented from being corroded by molten metal by pouring the closed main probe 5 by the high-temperature-resistant and fire-resistant insulating material, so that the service life of the main probe 5 is prolonged.

Specifically, main probe 5 establishes and is two at least in the inside quantity of probe 3, and main probe 5's material is the steel, and main probe 5 quantity can set up according to different user demands are nimble, adopts steel material to make simultaneously, avoids being melted by the liquation.

Specifically, the sub-probe 8 is electrically connected to the terminal of the main probe 5.

Specifically, the detection ends of the main probes 5 in the probe 3 are sequentially arranged from bottom to top, and the detection end of each main probe 5 has a certain height difference, so that the probe 3 forms a plurality of detection points.

As shown in fig. 3, the present invention provides an example of molten metal level detection:

the probe 3 is internally provided with 4 main probes 5, namely a probe A, a probe B, a probe C and a probe D in sequence, the probe 3 is slowly inserted into molten metal, in the figure, the probe A and the probe B are immersed into the molten metal to form a loop, and the probe C and the probe D do not form the loop, so that an external control system connected with the main probes 5 can identify that the liquid level is between the probe B and the probe C.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multiple spot liquid level detection device, includes electric putter (1), its characterized in that, the end connection of electric putter (1) has backup pad (2), and one side of backup pad (2) is connected with probe (3), one side of probe (3) is provided with accurate detection mechanism, still be provided with public probe (4) between probe (3) and the accurate detection mechanism, accurate detection mechanism all installs in backup pad (2) with public probe (4), probe (3) inside is provided with main probe (5), and the both ends of main probe (5) all extend probe (3).

2. A multipoint liquid level detection device according to claim 1, wherein: still be connected with stiffener (10) between electric putter (1) and backup pad (2), the longitudinal section when probe (3) is just looking is set up to down trapezoidal or square.

3. A multipoint liquid level detection device according to claim 1, wherein: the main probe (5) is arranged at one end of the top of the probe rod (3) and is a wiring end, and the other end of the main probe (5) is a detection end.

4. A multipoint liquid level detection device according to claim 1, wherein: accurate detection mechanism includes cylinder (6), plectane (7), vice probe (8) and displacement sensor (9), one side of probe (3) is provided with cylinder (6), and installs in backup pad (2) cylinder (6), the end connection of cylinder (6) has plectane (7), and plectane (7) bottom is connected with vice probe (8), one side of plectane (7) is provided with displacement sensor (9), and displacement sensor (9) fix in backup pad (2) bottom, the sense terminal and plectane (7) of displacement sensor (9) are connected.

5. A multipoint liquid level detection device according to claim 2, wherein: the probe rod (3) is formed by pouring high-temperature-resistant and fire-resistant insulating materials.

6. A multipoint liquid level detection device according to claim 3, characterized in that: the number of the main probes (5) arranged inside the probe rod (3) is at least two, and the main probes (5) are made of steel.

7. A multipoint liquid level detection device according to claim 4, wherein: the auxiliary probe (8) is electrically connected with the terminal of the main probe (5).

8. A multipoint liquid level detection device according to claim 6, wherein: the detection ends of the main probes (5) in the probe rod (3) are sequentially arranged from bottom to top, and the detection end of each main probe (5) has a certain height difference.