CN218121076U

CN218121076U - Liquid level measurement changer capable of filtering impurities

Info

Publication number: CN218121076U
Application number: CN202221947976.6U
Authority: CN
Inventors: 赵富荣; 刘文杰; 潘俊驰
Original assignee: Micro Sensor Co ltd
Current assignee: Micro Sensor Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-23
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a filterable impurity's level measurement changer, include: one end of the base is provided with a water guide head, and the other end of the base is hermetically connected with the shell; a core body and an extension joint are arranged in the base, and the core body and the extension joint are welded and fixed; the extension joint is welded on the base; a permeable stone is arranged in the water guide head; the elastic retainer ring for the hole is arranged at the groove of the water guide head and used for fixing the permeable stone; the output cable is arranged inside the shell; the metal gasket and the sealing gasket are sequentially arranged at a groove between the output cable and the shell; the locking joint compresses the metal gasket and is used for fixing the output cable; the fixed plate and the circuit board are positioned in the shell; the fixing plate is connected with the extension joint through a compression screw; the circuit board is electrically connected with the core body and used for receiving pressure change signals of liquid transmitted by the core body, and the output cable is electrically connected with the circuit board and used for transmitting electric signals. The utility model discloses impurity in can effectual filtration aquatic, simultaneously design as an organic whole, it is more accurate to measure.

Description

Liquid level measurement transmitter capable of filtering impurities

Technical Field

The utility model belongs to the technical field of the changer, a but level measurement changer of filtering impurity is related to.

Background

Macromolecular impurities such as silt are one of the difficult adverse factors of handling in the liquid level measurement, need the product to get rid of the interference of these impurity when measuring actual liquid level height, prevent strictly that impurity from blockking up product pressure interface, lead to the unable condition of continuously measuring of product. Among the current measurement environment, often be not the liquid environment of only water, the scene that needs level measurement is following well usually, place that operational environment is complicated such as river course, the aquatic contains a large amount of impurities, the situation that the unable actual measurement liquid level height of product induced pressure hole jam can often appear when product measurement liquid level height, and the reason of liquid level product integration design usually, it is limited to lead to installing the filter means additional, even install filter equipment additional also can often appear blocking phenomenon, also can't dismantle when at this moment the product can't work, can only return the factory and reprocess. There is a need for a level measuring transducer that can filter contaminants.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the prior art, provide a filterable impurity's level measurement changer, can solve the problem that traditional level changer often blockked up in complicated measuring environment.

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

a filterable contaminant level measuring transmitter, comprising: the device comprises an elastic retainer ring for the hole, a base, a fixing plate, a circuit board, an output cable, a metal gasket, a sealing gasket and a locking joint;

one end of the base is provided with a water guide head, and the other end of the base is hermetically connected with the shell;

a core body and an extension joint are arranged in the base, and the core body and the extension joint are welded and fixed; the extension joint is welded on the base;

a permeable stone is arranged in the water guide head and used for filtering impurities in water; the elastic retainer ring for the hole is arranged at the groove of the water guide head and used for fixing the permeable stone;

the output cable is arranged inside the shell; the metal gasket and the sealing gasket are sequentially arranged at a groove between the output cable and the shell; the locking joint compresses the metal gasket and is used for fixing the output cable;

the fixed plate and the circuit board are positioned in the shell; the fixing plate is connected with the extension joint through a compression screw; the circuit board is electrically connected with the core body and used for receiving pressure change signals of liquid transmitted by the core body, and the output cable is electrically connected with the circuit board and used for transmitting electric signals.

The utility model discloses a further improvement lies in:

the wire core comprises gold-plated Kovar tube legs; the gold-plated Kovar tube legs on the core body are connected with the circuit board through silica gel wires.

The extension joint is connected with the base in a laser welding mode; the core body is connected with the extension joint through laser welding.

The water guide head, the shell and the base are connected through threads.

And thread fastening glue is coated on the connecting threads of the water guide head, the shell and the base.

The number of the metal gaskets and the number of the sealing gaskets are several.

Also includes a corrugated diaphragm; the corrugated diaphragm is arranged at the bottom of the core body and is used for transmitting pressure change of liquid.

Also includes a label; the label is disposed on an outer surface of the housing.

The water guide head is detachable.

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

the utility model discloses an at the inside permeable stone that sets up of water guide head to the fixed permeable stone of circlip for the clearing hole, impurity that can effectual filtration aquatic can not block up the hole site of product acceptance pressure. The core body can sense the pressure change of water to form an electric signal and transmit the electric signal to the circuit board, and the circuit board is electrically connected with the output cable to output the signal; the sealing performance of the product is ensured by arranging a sealing gasket and a metal gasket; meanwhile, the product is designed in an integrated manner, so that the device can obtain greater advantages in still water and is more accurate in measurement.

Further, the utility model discloses a water guide head is portable detachable design, if the product uses the situation that appears blockking up or permeable stone fracture for a long time, can change filtration, convenient and fast at any time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of the impurity filterable level measuring transmitter of the present invention.

The water guide device comprises a water guide head 1, a circlip for holes 2, a permeable stone 3, a base 4, a core 5, an extension joint 6, a fixing plate 7, a compression screw 8, a circuit board 9, a shell 10, a sealing gasket 11, a metal gasket 12, a locking joint 13, an output cable 14, a tag 15, a gilded Kovar tube leg 16 and a silica gel line 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the products of the present invention are used, the description is merely for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and therefore, cannot be understood as a limitation to the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1, the utility model discloses a filterable impurity's level measurement changer, include: the hole circlip 2, the base 4, the fixing plate 7, the circuit board 9, the output cable 14, the metal gasket 12, the sealing gasket 11 and the locking joint 13;

one end of the base 4 is provided with a water guide head 1, and the other end of the base is hermetically connected with a shell 10; the water guide head 1 and the housing 10 are connected with the base 4 through threads. Thread fastening glue is coated on the connecting threads of the water guide head 1, the shell 10 and the base 4, so that the whole tightness can be effectively improved, and external impurities are prevented from entering the interior of a product.

A core body 5 and an extension joint 6 are arranged in the base 4, and the core body 5 and the extension joint 6 are welded and fixed; the extension joint 6 is welded on the base 4; the extension joint 6 is connected with the base 4 by laser welding; the core 5 is laser welded to the extension joint 6.

A permeable stone 3 is arranged in the water guide head 1, and the permeable stone 3 is used for filtering impurities in water; the elastic retainer ring 2 for holes is arranged at the groove of the water guide head 1 and used for fixing the permeable stone 3; the water guide head is in portable detachable design, and if the product is used for a long time, the situation of blockage or cracking of the permeable stone can be changed, so that the filter structure is convenient and fast.

The output cable 14 is disposed inside the housing 10; the metal gasket 12 and the sealing gasket 11 are sequentially arranged at a groove between the output cable 14 and the shell 10; the locking joint 13 compresses the metal gasket 12, so that the output cable 14 can be effectively fixed; the number of the metal gaskets 12 and the number of the sealing gaskets 11 are 2; meanwhile, the metal gasket 12 and the sealing gasket 11 are overlapped in a crossed mode, and the air tightness of the product is guaranteed.

The fixing plate 7 and the circuit board 9 are located inside the housing 10; the fixing plate 7 is connected with the extension joint 6 through a compression screw 8; the circuit board 9 is electrically connected with the core body 5 and used for receiving pressure change signals of liquid transmitted by the core body 5, and the output cable 14 is electrically connected with the circuit board 9 and used for transmitting electric signals. Further comprising a silica gel wire 17, the core 5 comprising gold plated kovar legs 16; gold plated kovar legs 16 on the core 5 are connected to the circuit board 9 by silicone wires 17. The gold-plated Kovar tube legs 16 are six and are made of Kovar alloy, the Kovar alloy has good sealing, welding and processing performances, and the heat conductivity coefficient of the Kovar alloy is about half of that of stainless steel.

A corrugated diaphragm is provided at the bottom of the core 5 for transmitting pressure variations of the liquid. Corrugated diaphragms are generally circular diaphragms having concentric rings, and are often divided into circular arcs, sinusoidal shapes, triangular shapes, trapezoidal shapes, and the like according to the profiles of the corrugated diaphragms. A label 15 is provided on the outer surface of the housing 10 to display basic information of the product.

Detailed description of the invention

In throwing into the liquid of corresponding degree of depth with the level measurement changer according to the range, measured liquid can get into water guide head 1, and the fixed permeable stone 3 of circlip 2 for the clearing hole is surveyed, and macromolecule medium can be filtered by permeable stone 3 in the measured liquid, only stays the micromolecule medium and gets into, and this kind of filtration mode can be effectual keep apart the high density medium in the conventional outdoor service environment, like liquid impurity such as silt, gel. The mounted position of permeable stone 3 is the bottom of product water guide head, and the chamfer is done to the exterior structure and is handled and be difficult to accumulation impurity such as silt, if the jam phenomenon appears, water guide head position can be replaced at any time, accomplishes the field replacement, provides very big facility for the product after sale.

The space of base 4 will be filled gradually to water, exerts pressure to the ripple diaphragm on core 5, and the pressure that the different liquid level degree of depth brought is different, and core 5 changes the pressure value into the signal of telecommunication output, and circuit board 9 will receive these signals of telecommunication, converts the signal of telecommunication into industry standard output signal through calculation processing to transmit to output cable 14, signal output. The protection grade of the whole product is IP68, the underwater use can be relieved, the output cable is sealed in a multilayer way through the metal gasket 12 and the sealing gasket 11, and the phenomenon of water inflow inside the product can be avoided while signal output is ensured.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filterable impurity level measurement transmitter, comprising: the device comprises a hole elastic retainer ring (2), a base (4), a fixing plate (7), a circuit board (9), an output cable (14), a metal gasket (12), a sealing gasket (11) and a locking joint (13);

one end of the base (4) is provided with a water guide head (1), and the other end of the base is hermetically connected with the shell (10);

a core body (5) and an extension joint (6) are arranged inside the base (4), and the core body (5) and the extension joint (6) are welded and fixed; the extension joint (6) is welded on the base (4);

a permeable stone (3) is arranged in the water guide head (1), and the permeable stone (3) is used for filtering impurities in water; the elastic retainer ring (2) for the hole is arranged at the groove of the water guide head (1) and is used for fixing the permeable stone (3);

the output cable (14) is arranged inside the shell (10); the metal gasket (12) and the sealing gasket (11) are sequentially arranged at a groove between the output cable (14) and the shell (10); the locking joint (13) compresses the metal gasket (12) and is used for fixing the output cable (14);

the fixing plate (7) and the circuit board (9) are positioned inside the shell (10); the fixing plate (7) is connected with the extension joint (6) through a compression screw (8); the circuit board (9) is electrically connected with the core body (5) and used for receiving pressure change signals of liquid transmitted by the core body (5), and the output cable (14) is electrically connected with the circuit board (9) and used for transmitting electric signals.

2. Impurity filterable level measurement transmitter according to claim 1, further comprising a silica gel wire (17), the core (5) containing gold plated kovar legs (16); the gold-plated Kovar tube legs (16) on the core body (5) are connected with the circuit board (9) through silica gel wires (17).

3. Impurity filterable level measurement transmitter according to claim 2, characterised in that said extension joint (6) is laser welded to the base (4); the core body (5) is connected with the extension joint (6) through laser welding.

4. Level measuring transducer of filterable impurities according to claim 1, characterised in that the head (1) and the housing (10) are connected by a thread to the base (4).

5. Impurity filterable level measurement transmitter according to claim 4, wherein the said conducting head (1) and the screw connecting the housing (10) and the base (4) are coated with screw fastening glue.

6. Impurity filterable level measurement transmitter according to claim 5, characterised in that said metal gasket (12) and sealing gasket (11) are several.

7. The impurity filterable level measurement transmitter of claim 6, further comprising a corrugated diaphragm; the corrugated diaphragm is arranged at the bottom of the core body (5) and is used for transmitting pressure change of liquid.

8. Impurity filterable level measurement transmitter according to claim 7, further comprising a tag (15); the label (15) is arranged on the outer surface of the shell (10).

9. Impurity filterable level measurement transmitter according to claim 8, characterised in that the head (1) is removable.