CN216050162U - Four-point micro photoelectric liquid level meter packaging structure for indicating liquid level of solution - Google Patents

Abstract

The four-point micro photoelectric liquid level meter packaging structure for indicating the liquid level of a solution comprises a sensor base, a sensor inner sleeve, an inner sealing gasket, a lead socket supporting plate and an outer sealing gasket; the sensor seat is arranged in the lead socket supporting plate, four sensor inner sleeves are arranged in the sensor seat, the miniature liquid level sensor is arranged in the sensor inner sleeves, an inner sealing gasket is arranged between the miniature liquid level sensor and the sensor inner sleeves, and an outer sealing gasket is arranged on the miniature liquid level sensor. The four-point micro photoelectric liquid level meter packaging structure has the advantages of small size, simple, compact and reasonable structure, and easy installation on a container with smaller volume and thinner outer wall, in particular to a small-dose analytical chemical solution storage container.

Description

Four-point micro photoelectric liquid level meter packaging structure for indicating liquid level of solution

Technical Field

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

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 or multi-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 can not be applied to automatic analytical chemical detection instruments, the utility model aims to provide a four-point micro photoelectric liquid level meter packaging structure for indicating the liquid level of a solution.

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

the four-point micro photoelectric liquid level meter packaging structure for indicating the liquid level of a solution comprises a sensor base, a sensor inner sleeve, an inner sealing gasket, a lead socket supporting plate and an outer sealing gasket;

the sensor seat is arranged in the lead socket supporting plate, four sensor inner sleeves are arranged in the sensor seat, the miniature liquid level sensor is arranged in the sensor inner sleeves, an inner sealing gasket is arranged between the miniature liquid level sensor and the sensor inner sleeves, and an outer sealing gasket is arranged on the miniature liquid level sensor.

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

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

Furthermore, a lead socket is arranged on the side wall of the lead socket supporting plate, and a pin of the miniature liquid level sensor is connected with a signal wire of the lead socket.

Further, three terminal pins of the lead socket are disposed in the radial connection hole.

Furthermore, the inner sleeve of the sensor is provided with internal threads.

Furthermore, the sensor seat is provided with a pressure hole.

Further, the sensor holder and the lead socket plate are fixed by a fastening screw and a fastening nut.

Compared with the prior art, the utility model has the following technical effects: the packaging structure of the four-point micro photoelectric liquid level meter has small size, simple, compact and reasonable structure, is easy to be arranged on a container with smaller volume and thinner outer wall, and is particularly suitable for a small-dose analytical chemical solution storage container; the packaging structure of the four-point liquid level micro photoelectric liquid level meter enables the minimum liquid level distance to be as low as 10mm in the form of parallel arrangement of the sensors, and can meet the purpose of metering a small amount of chemical solution for analytical chemical detection. When the liquid level gauge is applied, the liquid level distance can be adjusted and the number of liquid level points can be expanded according to actual needs in the mode of the utility model.

Furthermore, the packaging structure of the four-point micro 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 through a matched plug to be connected with a control circuit.

Furthermore, the utility model adopts a mode of a sealing gasket, and the liquid level meter can meet the sealing performance required by a chemical solution container after being installed.

Drawings

FIG. 1 is a front view of a four-point micro-electro-optical level gauge package structure.

FIG. 2 is a cross-sectional view of the package structure of the four-point micro-electro-optical level gauge along the cross-sectional view of FIG. 3.

FIG. 3 is a front view of a package structure of a four-point micro electro-optical level gauge.

FIG. 4 is a side view of the package structure of the four-point micro electro-optical level gauge.

FIG. 5 is a schematic view of a micro level sensor.

Fig. 6 is a schematic view of a lead socket structure.

FIG. 7 is a schematic diagram of the structure of the inner sleeve of the micro level sensor. Wherein, (a) is a front view, (b) is a bottom view, (c) is a right side view of the drawing (c), (e) is a side view, (f) is a left side view of the drawing (c), and (g) is a top view.

Fig. 8 is a schematic structural view of the micro liquid level sensor seat.

FIG. 9 is a schematic diagram of the structure of the inner sleeve of the micro level sensor. Wherein, (a) is a front side view, (b) is a rear side view, (c) is a rear view, (d) is a side view, and (e) is a top view.

Fig. 10 is a schematic structural view of a lead socket pallet.

In the figure, 1, a miniature liquid level sensor; 4. an inner sealing gasket; 6. a lead socket; 7. a sensor seat; 8. an inner sleeve of the sensor; 9. a lead socket pallet; 10. fastening screws; 11. an outer sealing gasket; 12. and (5) tightening the nut.

Detailed Description

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

The basic steps/thought of the design of the utility model are as follows: firstly, for the packaging of a multipoint liquid level micro photoelectric liquid level meter, three end wires of a micro liquid level sensor are required to be led out to be connected with an electronic signal wire, and therefore, a lead socket 6 is designed in a packaging structure to be conveniently connected with a plug connected with the electronic signal wire; 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 multipoint liquid level micro photoelectric liquid level meter, the sensor inner sleeve is in threaded connection with the sensor base, and the sensor assembly is connected with the container in a flange connection mode; 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 10, the four-point micro photoelectric liquid level meter package structure for indicating the liquid level of a solution in the present embodiment includes a sensor base 7, a sensor inner sleeve 8, an inner sealing gasket 4, a lead socket 6, a lead socket supporting plate 9, an outer sealing gasket 11, a fastening screw 10, and a fastening nut 12.

Wherein, the sensor inner sleeve 8 is provided with an axial connecting hole and a radial connecting hole, and the sensor inner sleeve 8 is provided with an external thread. Referring to fig. 8, the sensor seat 7 is provided with a pressure hole.

The sensor holder 7 is provided in the lead socket plate 9, and the sensor holder 7 and the lead socket plate 9 are fixed by a fastening screw 10 and a fastening nut 12. Four sensor inner sleeves 8 are arranged in the sensor seat 7, and the miniature liquid level sensor 1 is arranged in the sensor inner sleeves 8. An inner sealing gasket 4 is arranged between the micro liquid level sensor 1 and the sensor inner sleeve 8, and an outer sealing gasket 11 is arranged on the micro liquid level sensor 1.

The lead sockets 6 are arranged on the side walls of the lead socket carrier 9. The pin of the micro liquid level sensor 1 is connected with the signal wire of the lead wire socket 6.

The sensor holder 7: a pressure hole for fixing screw is provided for installing miniature level sensor 1 on the container simultaneously to the position that is used for fixing each photoelectricity level sensor 1 can increase the liquid level point number of needs according to actual need.

The inner sleeve 8 of the sensor: is used for fixing the photoelectric liquid level sensor on the sensor base 7 and providing connection for the pin of the micro liquid level sensor 1 and the signal wire of the lead wire socket 6.

Lead socket 6: the device is used for conveniently and quickly plugging and unplugging the electronic signal wire.

Lead socket pallet 9: for providing support to the lead socket 6.

Inner sealing gasket 4 and outer sealing gasket 11: for preventing leakage of the solution.

Fastening screw 10 and fastening nut 12: for fixing the sensor receptacle 7 and the lead receptacle pallet 9.

Referring to fig. 5, the miniature level sensor 1 comprises three terminal pins.

During packaging, the miniature liquid level sensor 1 is firstly inserted into the sensor inner sleeve 8 along a sensor port by taking three end pins as heads, wherein the three end pins of the miniature liquid level sensor 1 penetrate into an axial connecting hole of the sensor inner sleeve 8 and are folded to be parallel to a radial connecting hole, the inner sealing gasket 4 is sleeved in from the head of the miniature liquid level sensor 1, then the miniature liquid level sensor is screwed into the sensor base 7 through the external threads of the sensor inner sleeve 8, four lead socket support plates are arranged in this way, then the sensor base 7 is clamped by two lead socket support plates 9, the miniature liquid level sensor is fixed by 4 sets of fastening screws 10 and fastening nuts 12, then the four lead sockets 6 are inserted into lead socket ports of the lead socket support plates 9, wherein the three end pins of the lead socket 6 penetrate into the radial connecting hole of the sensor inner sleeve and are combined with the three end pins of the miniature liquid level sensor 1, and finally the miniature liquid level sensor and the three end pins 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 11, the micro photoelectric liquid level meter is connected to a container to be installed through a pressure hole in the sensor seat 7 through a screw, and four sets of plugs and connecting lines matched with the lead socket 6 are inserted to collect electronic signals.

Claims (8)

1. The four-point micro photoelectric liquid level meter packaging structure for indicating the liquid level of a solution is characterized by comprising a sensor base (7), a sensor inner sleeve (8), an inner sealing gasket (4), a lead socket supporting plate (9) and an outer sealing gasket (11);

the sensor comprises a sensor seat (7), a lead socket supporting plate (9), four sensor inner sleeves (8) arranged in the sensor seat (7), a micro liquid level sensor (1) arranged in the sensor inner sleeves (8), an inner sealing gasket (4) arranged between the micro liquid level sensor (1) and the sensor inner sleeves (8), and an outer sealing gasket (11) arranged on the micro liquid level sensor (1).

2. The four-point micro photoelectric liquid level meter packaging structure for indicating the liquid level of a solution according to claim 1, wherein an inner sleeve (8) of the sensor is provided with an axial connecting hole and a radial connecting hole.

3. The four-point miniature electro-optical level gauge packaging structure for indicating the level of a solution according to claim 2, characterized in that three terminal pins of the miniature level sensor (1) are disposed in the axial connection holes of the sensor inner sleeve (8).

4. The four-point micro electro-optical liquid level meter package structure for indicating the liquid level of a solution according to claim 2, wherein a lead socket (6) is disposed on the side wall of the lead socket supporting plate (9), and the pin of the micro liquid level sensor (1) is connected with the signal line of the lead socket (6).

5. The four-point miniature electro-optical level gauge package for indicating the level of a solution according to claim 4, characterized in that the three terminal pins of the lead socket (6) are arranged in radial connection holes.

6. The four-point micro electro-optical liquid level gauge packaging structure for indicating the liquid level of a solution according to claim 1, wherein the sensor inner sleeve (8) is provided with an internal thread.

7. The four-point micro photoelectric liquid level meter package structure for indicating the liquid level of a solution according to claim 1, wherein the sensor base (7) is provided with a pressure hole.

8. The four-point micro electro-optical level gauge package structure for indicating the level of a solution according to claim 1, characterized in that the sensor holder (7) and the lead socket plate (9) are fixed by a fastening screw (10) and a fastening nut (12).

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