CN216206428U - Micro photoelectric liquid level meter packaging structure for indicating and detecting chemical solution liquid level - Google Patents

Abstract

The micro photoelectric liquid level meter packaging structure for indicating the liquid level of a chemical solution for detection comprises an inner sealing gasket, an outer sealing gasket, a sensor outer sleeve and a sensor inner sleeve inserted with a sensor; the sensor outer sleeve is arranged on the sensor inner sleeve, the inner sealing gasket is arranged in the sensor outer sleeve, and the outer sealing gasket is arranged on the outer side of the inner sealing gasket. The packaging structure of the miniature photoelectric liquid level meter has small size, simple, compact and reasonable structure, and is easy to be installed on a container with smaller volume and thinner outer wall, in particular to a small-dose analytical chemical solution storage container.

Description

Micro photoelectric liquid level meter packaging structure for indicating and detecting chemical solution liquid level

Technical Field

The utility model relates to a packaging structure, in particular to a packaging structure of a micro photoelectric liquid level meter for indicating the liquid level of a chemical solution for detection.

Background

Different chemical solutions need to be stored, prepared and quantitatively moved in the operation process of the analytical chemistry type automatic detection instrument. The storage of chemical solution requires an instrument to automatically judge the key point of the liquid level (such as full or empty) in a reagent bottle with a certain volume, the automatic preparation (dilution) function is realized, the liquid adding amount (liquid level is increased to a target liquid level) needs to be controlled, the chemical solution with a certain volume needs to be quantitatively extracted in the detection process, the extraction amount (liquid level is decreased to the target liquid level) needs to be controlled, the above conditions all require a single-point micro liquid level meter (switch) to provide an electronic signal, namely, a proper micro liquid level meter (switch) needs to be installed in a corresponding reagent bottle (container) to realize automatic liquid level metering. The electronic liquid level sensor (liquid level switch) commonly used at present has a floating ball liquid level meter, a radar liquid level meter, a capacitance type liquid level meter, an ultrasonic liquid level meter, a photoelectric liquid level switch and the like, wherein the photoelectric liquid level switch has better environmental space adaptability, is more suitable for liquid level detection, alarming and control in a small container, and can be particularly used for media of chemical solutions such as acid, alkali, salt solution and the like.

The packaged photoelectric liquid level meter (liquid level) switch on the market at present is mainly applied to containers such as mechanical equipment, container pipelines, liquid reservoirs, circulating barrels, oil reservoirs and the like in the industrial fields such as water purification/sewage treatment, papermaking, printing, power generation/transformation equipment, petrochemical industry, food, beverages, electricians, dye industry, oil pressure machinery and the like, the size of the photoelectric liquid level meter (liquid level) switch is larger, the outer diameter is usually larger than or equal to phi 20, a milliliter-level solution is usually consumed by analytical chemistry automatic detection instruments in operation, and the total volume of reagent bottles (containers) is dozens of milliliters and hundreds of milliliters, so that the photoelectric liquid level meter (liquid level) switch is not suitable for being installed in reagent bottles (containers) in analytical chemistry automatic detection instruments.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the existing photoelectric liquid level switch cannot be applied to an automatic analytical chemical detection instrument, the utility model aims to provide a miniature photoelectric liquid level meter packaging structure for indicating the liquid level of a chemical solution for detection.

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

the micro photoelectric liquid level meter packaging structure for indicating the liquid level of a chemical solution for detection comprises an inner sealing gasket, an outer sealing gasket, a sensor outer sleeve and a sensor inner sleeve inserted with a sensor; the sensor outer sleeve is arranged on the sensor inner sleeve, the inner sealing gasket is arranged in the sensor outer sleeve, and the outer sealing gasket is arranged on the outer side of the inner sealing gasket.

Furthermore, the inner sealing gasket is provided with an external thread, and the sensor outer sleeve is provided with an internal thread matched with the external thread.

Furthermore, an axial connecting hole, a radial connecting hole and a lead socket port are formed in the sensor inner sleeve.

Furthermore, a lead socket is arranged on the inner sleeve of the sensor.

Furthermore, the lead socket is inserted into a lead socket port of the sensor inner sleeve.

Furthermore, three end pins of the sensor are arranged in the axial connecting hole of the inner sleeve of the sensor.

Furthermore, three terminal pins of the lead socket are arranged in the radial connecting hole of the sensor inner sleeve.

Furthermore, a plug is arranged on the lead socket, and a connecting line is arranged on the plug.

Further, a sensor jacket is disposed on the container.

Compared with the prior art, the utility model has the following technical effects: the packaging structure of the miniature photoelectric liquid level meter has small size, simple, compact and reasonable structure, and is easy to be installed on a container with smaller volume and thinner outer wall, in particular to a small-dose analytical chemical solution storage container.

Furthermore, the packaging structure of the miniature photoelectric liquid level meter is provided with the lead socket, so that the sensor is conveniently packaged, and the packaging structure can be conveniently and quickly connected with an electronic signal line and a control circuit through a matched plug.

Drawings

FIG. 1 is a schematic view of a package structure of the micro photoelectric liquid level meter of the present invention.

FIG. 2 is a schematic view of a micro level sensor.

Fig. 3 is a schematic view of a lead socket structure.

In the figure, 1. a sensor; 2. a sensor housing; 3. an inner sleeve of the sensor; 4. an inner sealing gasket; 5. an outer sealing gasket; 6. and a lead socket.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

The basic steps/thought of the design of the utility model are as follows: firstly, for the packaging of a micro photoelectric liquid level meter of single-point liquid level, three end lines of a micro liquid level sensor are required to be led out to be connected with an electronic signal line, and therefore, a lead socket 6 is designed in a packaging structure to be conveniently connected with a plug connected with the electronic signal line; secondly, in order to keep the miniature photoelectric liquid level sensor and the container sealed, sealing gaskets are used for pressing and sealing the connection parts of the sensor, the sensor seat and the container; for the single-point micro photoelectric liquid level meter, the sensor inner sleeve is connected with the sensor outer sleeve in a threaded manner, and the sensor outer sleeve is connected with the container directly in a threaded manner; and fourthly, in order to facilitate welding of the sensor end line and the end line of the lead socket 6 in the packaging process, two groups of vertically crossed line holes (three holes in each group) are designed in the sensor inner sleeve, and the sensor end line is vertically bent and then is coincided with the end line of the lead socket 6 in the packaging process.

The following embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following embodiments, and all equivalent changes based on the technical solutions of the present invention are within the protection scope of the present invention.

Following the above technical solution, as shown in fig. 1 to fig. 3, the present embodiment provides a packaging structure of a micro-electro-optical liquid level meter for indicating a single-point liquid level of a chemical solution for detection.

As shown in FIG. 1, a packaging structure of a micro photoelectric liquid level meter for indicating single-point liquid level of chemical solution for detection comprises an inner sensor sleeve 3, an inner sealing gasket 4, a lead socket 6, an outer sealing gasket 5 and an outer sensor sleeve 2. The sensor outer sleeve 2 is arranged on the sensor inner sleeve 3, the inner sealing gasket 4 is arranged in the sensor outer sleeve 2, and the outer sealing gasket 5 is arranged on the outer side of the inner sealing gasket 4.

Specifically, an axial connecting hole, a radial connecting hole and a lead socket opening are formed in the sensor inner sleeve 3, an external thread is formed in the inner sealing gasket 4, an internal thread matched with the external thread is formed in the sensor outer sleeve 2, the sensor inner sleeve 4 is arranged in the sensor outer sleeve 2, and the outer sealing gasket 5 is arranged on the outer side of the sensor inner sleeve 4.

The sensor inner sleeve 3 is provided with a lead socket 6. Preferably, the lead socket 6 is inserted into a lead socket opening of the sensor inner housing 3. Further, three terminal pins of the lead socket 6 are disposed in the radial connection holes of the sensor inner case 3. Referring to fig. 3, the lead socket 6 may be provided with a plug, on which a wire is provided.

Three end pins of the sensor 1 are arranged in axial connecting holes of the sensor inner sleeve 3.

The sensor housing 2 is arranged on the container.

During packaging, the sensor 1 is firstly inserted into the sensor inner sleeve 3 along a sensor port by taking the three end pins as heads, wherein the three end pins of the sensor penetrate into an axial connecting hole of the sensor inner sleeve 3 and are folded to be parallel to a radial connecting hole, the inner sealing gasket 4 is sleeved in from the head of the sensor 1, then the sensor inner sleeve 4 is screwed into the sensor outer sleeve 2 through external threads of the sensor inner sleeve 4, then the lead socket 6 is inserted into a lead socket port of the sensor inner sleeve 3, wherein the three end pins of the lead socket 6 penetrate into the radial connecting hole of the sensor inner sleeve 3 and are combined with the three end pins of the sensor 1, and the two are welded to complete packaging. When the micro photoelectric liquid level meter is used, the sealed micro photoelectric liquid level meter is added with the outer sealing gasket 5, the micro photoelectric liquid level meter is connected to a container needing to be installed through the threads on the sensor outer sleeve 2, and a plug and a connecting wire matched with the lead socket 6 are plugged so as to collect electronic signals.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the utility model are intended to be embraced therein.

Unless defined otherwise, all 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. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims (9)

1. The micro photoelectric liquid level meter packaging structure is used for indicating the liquid level of a chemical solution for detection and is characterized by comprising an inner sealing gasket (4), an outer sealing gasket (5), a sensor outer sleeve (2) and a sensor inner sleeve (3) inserted with a sensor (1); the sensor outer sleeve (2) is arranged on the sensor inner sleeve (3), the inner sealing gasket (4) is arranged in the sensor outer sleeve (2), and the outer sealing gasket (5) is arranged on the outer side of the inner sealing gasket (4).

2. The micro electro-optical liquid level meter package for indicating the liquid level of a chemical solution for detection as claimed in claim 1, wherein the inner sealing gasket (4) is provided with an external thread, and the sensor housing (2) is provided with an internal thread matching with the external thread.

3. The micro electro-optical level gauge packaging structure for indicating the level of a chemical solution for detection according to claim 1, wherein the sensor inner case (3) is provided with an axial connection hole, a radial connection hole, and a lead socket port.

4. The micro electro-optical liquid level meter package structure for indicating the liquid level of a chemical solution for detection according to claim 3, wherein the lead socket (6) is provided on the sensor inner case (3).

5. The package structure of micro electro-optical level meter for indicating the level of chemical solution for detection according to claim 4, wherein the lead socket (6) is inserted into the lead socket port of the sensor inner case (3).

6. The packaging structure of a micro-electro-optical liquid level meter for indicating the liquid level of a chemical solution for detection according to claim 4, wherein three pins of the sensor (1) are disposed in the axial connection hole of the sensor inner case (3).

7. The micro electro-optical level gauge packaging structure for indicating the level of a chemical solution for sensing according to claim 5, wherein three terminal pins of the lead socket (6) are disposed in radial connection holes of the sensor inner case (3).

8. The micro electro-optical liquid level meter package structure for indicating the liquid level of a chemical solution for detection as claimed in claim 5, wherein the lead socket (6) is provided with a plug, and the plug is provided with a connecting wire.

9. The micro electro-optical level gauge package for indicating a level of a chemical solution for sensing according to claim 1, wherein the sensor housing (2) is provided on the container.

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