CN217058992U - Split type liquid level transmitter suitable for different environments - Google Patents
Split type liquid level transmitter suitable for different environments Download PDFInfo
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- CN217058992U CN217058992U CN202220518077.8U CN202220518077U CN217058992U CN 217058992 U CN217058992 U CN 217058992U CN 202220518077 U CN202220518077 U CN 202220518077U CN 217058992 U CN217058992 U CN 217058992U
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Abstract
The utility model relates to a split type liquid level changer that can be applicable to different environment belongs to sensor technical field for the low pressure is measured. The split type liquid level transmitter comprises a junction box, a metal rod and a floating ball, wherein the floating ball is sleeved on the metal rod; the bottom of the metal rod is connected with a limiting clamp, and the upper part of the metal rod is sleeved in a U-shaped hole of the first U-shaped flange and a central hole of the first flange from bottom to top; the first U-shaped flange is fixedly connected with the first flange; a plurality of dry reed pieces are uniformly distributed on the inner part of the metal rod from bottom to top; the dry reed is connected with the junction box through a cable; the bottom of the junction box is connected with a second flange; the flange also comprises a second U-shaped flange, and the second flange is fixedly connected with the second U-shaped flange. The utility model has the characteristics of simple structure, the installation is simple and easy, convenient and do not influence the changer and measure and do not change changer mode of connection etc, has solved that current product exists, because of the problem that wet environment influences the fragile, makes the reliable and stable operation of equipment.
Description
Technical Field
The utility model belongs to the technical field of the sensor for the low pressure is measured, a split type liquid level transmitter is related to, concretely relates to split type liquid level transmitter that can be applicable to different environment.
Background
Some hydroelectric power plant unit hydraulic turbine top cover bottom is the downward slope, install the liquid level changer that is used for surveing the top cap water level in the top cap formula liquid level changer as an organic whole usually (terminal box and measuring part formula as an organic whole), its terminal box and measuring device can only install inside the top cap, and the inside long-term ponding of top cap, it is more moist, very easily cause the liquid level changer terminal box to wet or intake, lead to liquid level changer short circuit to damage, make the top cap drain pump lose and open, stop the pump control signal source, lead to the unable normal start-stop of top cap drain pump, seriously probably cause the water flooding machine room, and then influence unit safety and stability and move. Therefore, how to overcome the defects of the prior art is a problem which needs to be solved urgently in the technical field of the current sensor for low-voltage measurement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can be applicable to the split type liquid level changer of different environment, guarantee that changer survey value is accurate, simple to operate and do not influence by the humid environment to solve integral type liquid level changer and influenced the fragile problem of humid environment, make hydroelectric set reliable operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a split type liquid level transmitter applicable to different environments comprises a junction box, a metal rod and a floating ball, wherein the floating ball is sleeved on the metal rod;
the bottom of the metal rod is connected with a limiting clamp, and the upper part of the metal rod is sleeved in a U-shaped hole of the first U-shaped flange and a central hole of the first flange from bottom to top; the first U-shaped flange is fixedly connected with the first flange;
a plurality of dry reed pieces are uniformly distributed on the inner part of the metal rod from bottom to top;
the dry reed is connected with the junction box through a cable;
the bottom of the junction box is connected with a second flange;
the flange also comprises a second U-shaped flange, and the second flange is fixedly connected with the second U-shaped flange.
Further, it is preferable that the top end of the metal rod is provided with a glan head; one end of the cable is connected with the dry reed, and the other end of the cable sequentially penetrates through the U-shaped hole of the first U-shaped flange, the central hole of the first flange and the gland head, then sequentially penetrates through the U-shaped hole of the second U-shaped flange and the central hole of the second flange and then is connected with the junction box.
Further, it is preferable that the cable is a shielded cable having a length of 3 m.
Further, the preferred floater is circular floater, and the material is stainless steel, and the diameter is 52 mm.
Further, the diameter of a through hole of the floating ball sleeved on the metal rod is preferably 15 mm; the diameter of the metal rod is 15 mm.
Further, preferably, the outer radius of the first U-shaped flange is 60mm, the bolt hole distance is 31.5mm, the bolt radius is 7mm, the lower part of the U-shaped groove is semicircular, the circle center is the circle center of the first U-shaped flange, the radius is 10mm, and 4 bolt holes are formed; the second U-shaped flange has the same structure as the first U-shaped flange.
Further, it is preferable that the first flange is identical in structure to the second flange.
The outer radius of the first flange is 60mm, the bolt hole distance is 31.5mm, the bolt radius is 7mm, the center hole is circular, the circle center is the circle center of the first flange, the radius is 10mm, and the number of bolt holes is 4.
Further, it is preferable that the stopper is circular and welded to the bottom of the metal rod.
Further, it is preferable that the first U-shaped flange is welded inside the top cover of the water turbine; the second U-shaped flange is welded on the outer part of the top cover of the water turbine.
As will be appreciated by those skilled in the art, when the float ball moves up and down along with the change of the liquid level, the position of the float ball changes the states (closed or opened) of the different dry reed pieces, only the dry reed pieces within the action range of the float ball are closed, and the other dry reed pieces are in the open state, so that the resistance value of the output loop is changed. The lower the liquid level, the larger the resistance value, and the higher the liquid level, the smaller the resistance value, thereby realizing accurate measurement of the liquid level.
Compared with the prior art, the utility model, its beneficial effect does:
the integrated liquid level transmitter is easy to cause the junction box of the liquid level transmitter to be affected with damp or enter water due to long-term operation in a damp environment, so that the liquid level transmitter is damaged by short circuit, and the value of an important monitoring signal is inaccurate. By adopting the scheme, the terminal box of the transmitter can be effectively prevented from being in a humid environment for a long time, so that the transmitter is prevented from being damaged due to short circuit, and the running reliability of equipment is improved. And this liquid level changer adopts the installation of U type flange, and the changer horizontal dismouting of being convenient for improves dismouting efficiency, effectively reduces personnel's working time in the narrow and small block space of top cap, reduces the operation risk. The utility model has the characteristics of simple structure, the installation is simple and easy, convenient and do not influence the changer and measure and do not change changer mode of connection etc, has solved that current product exists, because of the problem that wet environment influences the fragile, makes the reliable and stable operation of equipment.
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 these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a split type liquid level transmitter applicable to different environments;
wherein, 1, a junction box; 2. a metal rod; 3. a floating ball; 4. a limiting card; 5. a first U-shaped flange; 6. dry reed pieces; 7. a second U-shaped flange; 8. a cable; 9. a first flange; 10. a second flange; 11. a glan head;
FIG. 2 is a schematic structural view of a first U-shaped flange;
fig. 3 is a schematic structural view of the first flange.
Detailed Description
The present invention will be described in further detail with reference to examples.
It will be understood by those skilled in the art that the following examples are illustrative of the present invention only and should not be taken as limiting the scope of the invention. The specific techniques, connections, conditions, or the like, which are not specified in the examples, are performed according to the techniques, connections, conditions, or the like described in the literature in the art or according to the product specification. The materials, instruments or equipment are not indicated by manufacturers, and all the materials, instruments or equipment are conventional products which can be obtained by purchasing.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "provided" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention is understood according to the specific situation.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As shown in fig. 1, a split type liquid level transmitter suitable for different environments comprises a junction box 1, a metal rod 2 and a floating ball 3, wherein the floating ball 3 is sleeved on the metal rod 2;
the bottom of the metal rod 2 is connected with a limiting clamp 4, and the upper part of the metal rod is sleeved in a U-shaped hole of the first U-shaped flange 5 and a central hole of the first flange 9 from bottom to top; the first U-shaped flange 5 is fixedly connected with the first flange 9, preferably by bolts;
a plurality of dry reed pieces 6 are uniformly distributed on the inner part of the metal rod 2 from bottom to top;
the dry reed 6 is connected with the junction box 1 through a cable 8;
the bottom of the junction box 1 is connected with a second flange 10;
the novel U-shaped flange is characterized by further comprising a second U-shaped flange 7, and the second flange 10 is fixedly connected with the second U-shaped flange 7, preferably through bolts.
Preferably, the top end of the metal rod 2 is provided with a Glan head 11; one end of the cable 8 is connected with the dry reed 6, and the other end of the cable sequentially passes through the U-shaped hole of the first U-shaped flange 5, the central hole of the first flange 9 and the gland head 11 and then sequentially passes through the U-shaped hole of the second U-shaped flange 7 and the central hole of the second flange 10 and then is connected with the junction box 1.
Preferably, the cable 8 is a shielded cable with a length of 3 m.
According to the preferable scheme, the floating ball 3 is a round floating ball, is made of stainless steel and has the diameter of 52 mm.
In a preferred scheme, the diameter of a through hole of the floating ball 3 sleeved on the metal rod 2 is 15 mm; the metal rod 2 has a diameter of 15 mm.
According to the preferable scheme, the outer radius of the first U-shaped flange 5 is 60mm, the bolt hole distance is 31.5mm, the bolt radius is 7mm, the lower part of the U-shaped groove is semicircular, the circle center is the circle center of the first U-shaped flange 5, the radius is 10mm, and 4 bolt holes are formed; the second U-shaped flange 7 has the same structure as the first U-shaped flange 5.
Preferably, the first flange 9 and the second flange 10 are identical in structure.
The outer radius of the first flange 9 is 60mm, the bolt hole distance is 31.5mm, the bolt radius is 7mm, the center hole is circular, the circle center is the circle center of the first flange 9, the radius is 10mm, and the number of bolt holes is 4.
In a preferred scheme, the limiting clamp 4 is in a circular ring shape and is welded at the bottom of the metal rod 2.
In a preferred scheme, the first U-shaped flange 5 is welded inside a water turbine top cover; and a second U-shaped flange 7 is welded on the outer part of the water turbine top cover.
The internal structure of terminal box 1, metal pole 2 is current structure, the utility model discloses do not improve to this. Dry reed 6 is a magnetic switch.
The split liquid level transmitter is formed by improving the original shape of the integrated liquid level transmitter. Only need to be manufactured
The first U-shaped flange 5 is welded inside the top cover of the water turbine, the first flange 9 is fixed on the first U-shaped flange 5, the second U-shaped flange 7 is welded outside the top cover of the water turbine, and the second flange 10 installed at the bottom of the junction box 1 is fixed on the second U-shaped flange 7 through bolts, so that installation can be completed.
First U type flange 5, second U type flange 7 set up the purpose in U type groove because of the hydraulic turbine top cap inner space is narrow, the split type liquid level changer's of being not convenient for vertical dismouting, and adopt the utility model relates to a, the split type liquid level changer horizontal dismouting of being convenient for saves the installation and removal time, is convenient for maintain the management.
The purpose of the glan head 11 is to encapsulate the cable 8 and prevent water penetration.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a split type liquid level changer that can be applicable to different environment, includes terminal box (1), metal pole (2) and floater (3), its characterized in that:
the floating ball (3) is sleeved on the metal rod (2);
the bottom of the metal rod (2) is connected with a limiting clamp (4), and the upper part of the metal rod is sleeved in a U-shaped hole of the first U-shaped flange (5) and a central hole of the first flange (9) from bottom to top; the first U-shaped flange (5) is fixedly connected with the first flange (9);
a plurality of dry reed pieces (6) are uniformly distributed on the inner part of the metal rod (2) from bottom to top;
the dry reed (6) is connected with the junction box (1) through a cable (8);
the bottom of the junction box (1) is connected with a second flange (10);
the novel anti-theft device is characterized by further comprising a second U-shaped flange (7), and the second flange (10) is fixedly connected with the second U-shaped flange (7).
2. The split level transmitter adaptable to different environments of claim 1, wherein: the top end of the metal rod (2) is provided with a Glan head (11); one end of the cable (8) is connected with the dry reed (6), and the other end of the cable sequentially penetrates through the U-shaped hole of the first U-shaped flange (5), the central hole of the first flange (9) and the glan head (11), then sequentially penetrates through the U-shaped hole of the second U-shaped flange (7) and the central hole of the second flange (10) and then is connected with the junction box (1).
3. The split level transmitter adaptable to different environments of claim 1, wherein: the cable (8) is a shielded cable and has a length of 3 m.
4. The split level transmitter adaptable to different environments of claim 1, wherein: the floating ball (3) is a round floating ball made of stainless steel and has a diameter of 52 mm.
5. The split level transmitter adaptable to different environments of claim 1, wherein: the diameter of the through hole of the floating ball (3) which is used for being sleeved on the metal rod (2) is 15 mm; the diameter of the metal rod (2) is 15 mm.
6. The split level transmitter adaptable to different environments of claim 1, wherein: the outer radius of the first U-shaped flange (5) is 60mm, the bolt hole pitch is 31.5mm, the bolt radius is 7mm, the lower part of the U-shaped groove is semicircular, the circle center is the circle center of the first U-shaped flange (5), the radius is 10mm, and 4 bolt holes are formed; the second U-shaped flange (7) has the same structure as the first U-shaped flange (5).
7. The split level transmitter adaptable to different environments of claim 1, wherein: the first flange (9) and the second flange (10) have the same structure;
the outer radius of the first flange (9) is 60mm, the bolt hole distance is 31.5mm, the bolt radius is 7mm, the center hole is circular, the circle center is the circle center of the first flange (9), the radius is 10mm, and the number of bolt holes is 4.
8. The split level transmitter adaptable to different environments of claim 1, wherein: the limiting clamp (4) is in a circular ring shape and is welded at the bottom of the metal rod (2).
9. The split level transmitter adaptable to different environments of claim 1, wherein: the first U-shaped flange (5) is welded inside the top cover of the water turbine; and a second U-shaped flange (7) is welded outside the water turbine top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518077.8U CN217058992U (en) | 2022-03-11 | 2022-03-11 | Split type liquid level transmitter suitable for different environments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220518077.8U CN217058992U (en) | 2022-03-11 | 2022-03-11 | Split type liquid level transmitter suitable for different environments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058992U true CN217058992U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220518077.8U Active CN217058992U (en) | 2022-03-11 | 2022-03-11 | Split type liquid level transmitter suitable for different environments |
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| Country | Link |
|---|---|
| CN (1) | CN217058992U (en) |
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2022
- 2022-03-11 CN CN202220518077.8U patent/CN217058992U/en active Active
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