CN211576282U - Liquid level sensor - Google Patents
Liquid level sensor Download PDFInfo
- Publication number
- CN211576282U CN211576282U CN202020073692.3U CN202020073692U CN211576282U CN 211576282 U CN211576282 U CN 211576282U CN 202020073692 U CN202020073692 U CN 202020073692U CN 211576282 U CN211576282 U CN 211576282U
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- lead
- resistor
- liquid level
- shell
- positioning block
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Abstract
The utility model discloses a liquid level sensor, which comprises a lead and a resistor, wherein the lead and the resistor are connected or fixed through a copper ribbon; the lead and/or the resistor are connected or fixed with the inserting sheet, and the inserting sheet is sleeved in the positioning block and/or the inserting sheet positioning block; the lead and/or the resistor are connected or fixed with the inserting sheet through tin soldering, and welding spots are arranged on the side of the inserting sheet; the shell is installed to inserted sheet, locating piece and inserted sheet locating piece, and wherein, it distributes to have epoxy between the shell is installed to shell and inserted sheet, locating piece and inserted sheet locating piece. The utility model discloses a wire and inserted sheet adopt the copper ribbon winding to weld again, have effectually guaranteed the connection reliability of welding, have avoided because the welding short circuit, break circuit and then cause the condition emergence of product inefficacy, have improved product life; electronic components are sealed in the cavity inside the shell through epoxy resin, and are not in contact with the outside, so that the situation that the electronic components are corroded by external impurities can be effectively avoided, and the stability of product performance is ensured.
Description
Technical Field
The utility model relates to a sensor, in particular to liquid level sensor.
Background
A level sensor (static pressure level gauge/level transmitter/level sensor) is a type of pressure sensor that measures the liquid level. The static pressure input type liquid level transmitter (liquid level meter) is based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid, adopts an isolation type diffused silicon sensitive element or a ceramic capacitance pressure sensitive sensor to convert the static pressure into an electric signal, and converts the electric signal into a standard electric signal through temperature compensation and linear correction; the method is divided into two categories: one type is a contact type, and comprises a single-flange static pressure/double-flange differential pressure liquid level transmitter, a floating ball type liquid level transmitter, a magnetic liquid level transmitter, a drop-in type liquid level transmitter, an electric inner floating ball type liquid level transmitter, an electric floating drum type liquid level transmitter, a capacitance type liquid level transmitter, a magnetostrictive liquid level transmitter, a servo liquid level transmitter and the like. The second type is non-contact, and is classified into ultrasonic level transmitters, radar level transmitters and the like.
At present, the liquid level sensor is widely used, but in the production and manufacturing process, particularly in the assembly process, the welding connection reliability is poor, and the welding short circuit can cause the product failure or reduce the service life of the product; the existing product has the condition of poor stability caused by poor sealing performance.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a level sensor.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a liquid level sensor, which comprises a lead and a resistor, wherein,
the lead and the resistor are connected or fixed through a copper ribbon;
the leads and/or resistors are connected or secured to the blades, wherein,
the inserted sheet is sleeved in the positioning block and/or the inserted sheet positioning block.
As a preferred technical solution of the present invention, the lead and/or the resistor are connected or fixed to the insertion piece by soldering, wherein,
the avris of inserted sheet is provided with the solder joint.
As a preferred technical proposal of the utility model, the inserting piece, the positioning block and the inserting piece positioning block are arranged in a shell, wherein,
the shell with the inserted sheet the locating piece with it has epoxy to distribute to install between the shell to insert sheet locating piece.
As a preferable aspect of the present invention, the lead is connected to a connector, wherein,
the lead is sleeved in the corrugated pipe;
a winding belt is arranged on the side of the corrugated pipe;
and the outer side of the shell is provided with injection molding threads.
The utility model discloses the beneficial effect who reaches is: the utility model discloses a wire and inserted sheet adopt the copper ribbon winding to weld again, have effectually guaranteed the connection reliability of welding, have avoided because the welding short circuit, break circuit and then cause the condition emergence of product inefficacy, have improved product life; electronic components are sealed in the cavity inside the shell through epoxy resin, and are not in contact with the outside, so that the situation that the electronic components are corroded by external impurities can be effectively avoided, and the stability of product performance is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is one of the schematic structural diagrams of the present invention;
fig. 2 is a second schematic structural diagram of the present invention;
in the figure: 1. a wire; 2. positioning blocks; 3. an epoxy resin; 4. welding spots; 5. a resistance; 6. an inserting piece positioning block; 7. injection molding threads; 8. inserting sheets; 9. a housing; 10. a connector assembly; 11. a wrapping tape; 12. a bellows.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-2, the utility model provides a liquid level sensor, including wire 1 and resistance 5, wherein, wire 1 and resistance 5 pass through the copper ribbon to be connected or fixed, and wire 1 and/or resistance 5 connect or fix inserted sheet 8, have guaranteed the welded connection reliability effectively, have avoided causing the condition that the product became invalid to take place because of welding short circuit, open circuit, have improved product life;
the inserting piece 8 is sleeved in the positioning block 2 and/or the inserting piece positioning block 6.
Furthermore, the lead 1 and/or the resistor 5 are connected or fixed by soldering with an insert 8, wherein the edge of the insert 8 is provided with a solder point 4.
Specifically, in casing 9 was installed to inserted sheet 8, locating piece 2 and inserted sheet locating piece 6, wherein, casing 9 and inserted sheet 8, locating piece 2 and inserted sheet locating piece 6 were installed and are distributed and have epoxy 3 between the casing 9, seal electronic components in casing 9 internal cavity through epoxy 3, do not contact with the external world, can effectively stop electronic components and receive the condition emergence of external impurity corruption, guarantee to produce the stability of performance.
The lead 1 is connected to the connector 10, wherein the lead 1 is sleeved in the corrugated pipe 12, and the side of the corrugated pipe 12 is provided with a winding belt 11;
the outer side of the shell 9 is provided with an injection molding thread 7, so that the sensor is convenient to mount or assemble.
The utility model discloses a wire 1 and inserted sheet 5 adopt the copper ribbon winding to weld again, the effectual connection reliability who guarantees the welding, avoided because the welding short circuit, the condition emergence that circuit break and then cause the product to become invalid has improved product life; electronic components are sealed in the cavity inside the shell 9 through the epoxy resin 3 and are not in contact with the outside, so that the situation that the electronic components are corroded by external impurities can be effectively avoided, and the stability of product performance is ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (4)
1. A liquid level sensor, comprising a wire (1) and a resistor (5), wherein,
the lead (1) and the resistor (5) are connected or fixed through a copper cable tie;
the lead (1) and/or the resistor (5) are connected or fixed with an insert (8), wherein,
the inserting piece (8) is sleeved in the positioning block (2) and/or the inserting piece positioning block (6).
2. A liquid level sensor according to claim 1, characterized in that the lead wire (1) and/or the resistor (5) are connected or fixed to the blade (8) by soldering, wherein,
the side of the inserting piece (8) is provided with a welding spot (4).
3. A liquid level sensor according to claim 1 or 2, characterized in that the insert (8), the positioning block (2) and the insert positioning block (6) are mounted in a housing (9), wherein,
the shell (9) is provided with the insertion piece (8), the positioning block (2) is provided with the insertion piece positioning block (6), and epoxy resin (3) is distributed between the shells (9).
4. A liquid level sensor according to claim 3, characterized in that the conductor (1) is connected to a connector (10), wherein,
the lead (1) is sleeved in the corrugated pipe (12);
a winding belt (11) is arranged on the side of the corrugated pipe (12);
and the outer side of the shell (9) is provided with an injection molding thread (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073692.3U CN211576282U (en) | 2020-01-14 | 2020-01-14 | Liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020073692.3U CN211576282U (en) | 2020-01-14 | 2020-01-14 | Liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211576282U true CN211576282U (en) | 2020-09-25 |
Family
ID=72554546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020073692.3U Active CN211576282U (en) | 2020-01-14 | 2020-01-14 | Liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211576282U (en) |
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2020
- 2020-01-14 CN CN202020073692.3U patent/CN211576282U/en active Active
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