CN217504913U

CN217504913U - Tuning fork charge level indicator of high accuracy

Info

Publication number: CN217504913U
Application number: CN202220490581.1U
Authority: CN
Inventors: 曹彩丽
Original assignee: Henan Feipusite Instruments And Meters Co ltd
Current assignee: Henan Feipusite Instruments And Meters Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-27
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a tuning fork charge level indicator of high accuracy, which comprises a housin, the end cover is installed through the screw thread to the casing left end, explosion-proof armoured cable sealing joint is installed through threaded connection's mode to the casing upper end, is located the casing inside and has a charge level controller through the fix with screw. The utility model discloses in can come to detect the signal through the resonance of sound, the explosive problem that probably exists among the mechanical parts interact has been reduced, the security in the use has been increased, only can 24V and 220V voltage selection type use when having avoided traditional level gauge to use, problem that can not automatic identification, can connect the different voltage of 24V and 220V simultaneously, can realize automatic identification's function, adopt sound signal to measure the liquid level, it measures the precision and is higher than mechanical type level gauge, because the design is more reasonable, adopt non-mechanical measurement, avoid the mechanical damage of relevant part, consequently, the service life has been increased, and the service life is prolonged.

Description

Tuning fork charge level indicator of high accuracy

Technical Field

The utility model belongs to the technical field of measure, especially, relate to a tuning fork charge level indicator of high accuracy.

Background

The tuning fork level meter is a novel liquid level limit switch, a tuning fork of the tuning fork level switch is excited by a crystal to generate vibration, the vibration frequency changes when the tuning fork is immersed by liquid, and the frequency change is detected by an electronic circuit and outputs a switching value.

The existing tuning fork level gauge is too simple in structure, cannot automatically identify different voltages, is low in safety in the using process, low in measuring accuracy and low in service life, and therefore the high-accuracy tuning fork level gauge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tuning fork charge level indicator of high accuracy aims at solving structurally too simplicising in the background art, can not carry out automatic identification to the voltage of difference moreover, and the security is lower in the use, and measurement accuracy is lower, the problem that service life is lower moreover.

The utility model discloses a realize like this, a tuning fork charge level indicator of high accuracy, include:

the shell, the end cover is installed through the screw thread to the casing left end, explosion-proof armoured cable sealing joint is installed through threaded connection's mode to the casing upper end, is located the casing inside and has the material level controller through the fix with screw.

Preferably, as the utility model relates to a preferably, the fork body is installed through threaded connection's mode to the casing right-hand member to be equipped with the sealing washer between the casing and the fork body, and be fixed with sensor element in fork body left end inside, be located the sensor element left end and pass through soldering tin welded connection line.

Preferably, as the utility model relates to a preferably, the terminal surface passes through the first end cap of threaded connection before the casing, the casing before the terminal surface in first end cap right side position is through cross recess countersunk head screw fixed data plate, the second end cap is installed through the screw in the casing rear end, the second end cap is equipped with third O shape sealing washer with the casing junction.

Preferably, as the utility model relates to an it is preferred, terminal surface before the casing in the data plate left side is through the screw fixation ground connection sign, the ground connection sign passes through electric wire electric connection sensor element.

Preferably, as the utility model relates to an it is preferred, be equipped with first O shape sealing washer between end cover and the casing, be equipped with second O shape sealing washer between cable sealing joint and the casing

Preferably, as a preferred aspect of the present invention, the surface of the fork body is plated with the anti-oxidation layer made of polyethylene and the anti-corrosion layer made of fluoroplastic.

Preferably, as a preferred of the utility model discloses a preferably, the fork body is made by two metallic iron pieces to two metallic iron pieces are parallel structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in can come to detect the signal through the resonance of sound, reduce the explosive problem that probably exists among the mechanical parts interact, increase the security in the use.

2. The utility model discloses only can 24V and 220V voltage selection type use when having avoided traditional level gauge to use, problem that can not automatic identification can connect the different voltage of 24V and 220V simultaneously, can realize automatic identification's function.

3. The utility model discloses well adoption sound signal measures the liquid level, and it measures the precision and is higher than mechanical type level gauge.

4. The utility model discloses in because the design is more reasonable, adopt non-mechanical measurement, avoid the mechanical damage of relevant part, consequently increased service life, improved the life-span.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

in the figure: 1. an end cap; 2. a first O-ring seal; 3. a housing; 4. an explosion-proof armored cable sealing joint; 5. a second O-ring seal; 6. a material level controller; 7. a seal ring; 8. a sensor element; 9. a nameplate; 10. a cross recessed countersunk flat head screw; 11. a first plug; 12. a grounding identifier; 13. a fork body; 14. a third O-ring seal; 15. and a second plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, in the description of the present invention, moreover, "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. To those of ordinary skill in the art, it will be understood that the specific meaning of the above terms in the present invention "a plurality" means two or more unless otherwise specifically limited.

As shown in fig. 1-3, the utility model provides a technical solution: the method comprises the following steps:

casing 3, end cover 1 is installed through the screw thread to 3 left ends of casing, and explosion-proof armoured cable sealing joint 4 is installed through threaded connection's mode to 3 upper ends of casing, is located that casing 3 is inside to have a material level controller 6 through the fix with screw.

Fork body 13 is installed through threaded connection's mode to casing 3 right-hand member to be equipped with sealing washer 7 between casing 3 and fork body 13, and be fixed with sensor element 8 in fork body 13 left end inside, be located sensor element 8 left end and pass through soldering tin welding connecting wire, sensor element can transmit the signal that the jaw detected.

The front end face of the shell 3 is connected with the first plug 11 through threads, the front end face of the shell 3 is provided with a data plate 9 at the right side position of the first plug 11 through a cross recessed countersunk head screw 10, the rear end of the shell 3 is provided with a second plug 15 through threads, a third O-shaped sealing ring 14 is arranged at the joint of the second plug 15 and the shell 3, and the data plate is used for introducing the device.

The front end face of the shell 3 is fixed on the left side of the nameplate 9 through a screw to form a grounding mark 12, the grounding mark 12 is electrically connected with the sensor element 8 through an electric wire, and the grounding mark is convenient for grounding.

A first O-shaped sealing ring 2 is arranged between the end cover 1 and the shell 3, and a second O-shaped sealing ring 5 is arranged between the cable sealing joint 4 and the shell 3, so that the connection tightness of the two devices is improved.

The surface of the fork body 13 is plated with an oxidation resistant layer made of polyethylene and an anticorrosive layer made of fluoroplastic in order to increase the oxidation resistance and corrosion resistance of the fork body.

The fork body 13 is made of two metal iron sheets, and the two metal iron sheets are in a parallel structure, so as to increase the accuracy of detection.

The utility model has the advantages that:

1. the signal can be detected through the resonance of sound, so that the explosive problem possibly existing in the interaction of mechanical parts is reduced, and the safety in the use process is improved.

2. The utility model discloses in only can 24V and 220V voltage selection type use when having avoided traditional level gauge to use, problem that can not automatic identification can connect the different voltage of 24V and 220V simultaneously, can realize automatic identification's function.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high accuracy tuning fork level gauge, comprising:

the anti-explosion armored cable sealing connector comprises a shell (3), wherein an end cover (1) is installed at the left end of the shell (3) through threads, an anti-explosion armored cable sealing connector (4) is installed at the upper end of the shell (3) in a threaded connection mode, and a material level controller (6) is fixed inside the shell (3) through screws.

2. The high precision tuning fork level gauge of claim 1, wherein: the fork body (13) is installed through threaded connection's mode to casing (3) right-hand member to be equipped with sealing washer (7) between casing (3) and fork body (13), and be fixed with sensor element (8) in fork body (13) left end inside, be located sensor element (8) left end and pass through soldering tin welding connecting wire.

3. The high precision tuning fork level gauge of claim 1, wherein: the novel seal ring is characterized in that the front end face of the shell (3) is connected with a first plug (11) through threads, the front end face of the shell (3) is in that a nameplate (9) is fixed at the right side position of the first plug (11) through a cross recessed countersunk head screw (10), the rear end of the shell (3) is provided with a second plug (15) through threads, and a third O-shaped seal ring (14) is arranged at the joint of the second plug (15) and the shell (3).

4. The high precision tuning fork level gauge of claim 3, wherein: the front end face of the shell (3) is fixed on the left side of the nameplate (9) through a screw to form a grounding mark (12), and the grounding mark (12) is electrically connected with the sensor element (8) through an electric wire.

5. The high precision tuning fork level gauge of claim 1, wherein: a first O-shaped sealing ring (2) is arranged between the end cover (1) and the shell (3), and a second O-shaped sealing ring (5) is arranged between the cable sealing joint (4) and the shell (3).

6. The high precision tuning fork level gauge of claim 2, wherein: the surface of the fork body (13) is plated with an anti-oxidation layer made of polyethylene and an anti-corrosion layer made of fluoroplastic in a chromium plating mode.

7. The high precision tuning fork level gauge of claim 2, wherein: the fork body (13) is made of two metal iron sheets, and the two metal iron sheets are of a parallel structure.