CN211504321U - Liquid level sensor - Google Patents
Liquid level sensor Download PDFInfo
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- CN211504321U CN211504321U CN202020314524.9U CN202020314524U CN211504321U CN 211504321 U CN211504321 U CN 211504321U CN 202020314524 U CN202020314524 U CN 202020314524U CN 211504321 U CN211504321 U CN 211504321U
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- matching layer
- glass fiber
- fiber board
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Abstract
The utility model discloses a liquid level sensor relates to liquid level detection equipment field, receives the influence of all the other media for solving its piezoceramics of current liquid level sensor easily, and then influences ultrasonic transmission, also does not have the structure of self-protection simultaneously, the easy problem of damaging after the bumping. Be provided with the matching layer installing port on the one end surface of sensor housing body, the inside fixed mounting of matching layer installing port has glass fiber board matching layer, glass fiber board matching layer is discoid, the axis position on glass fiber board matching layer is provided with matching layer salient structure, and matching layer salient structure and glass fiber board matching layer integrated into one piece, matching layer salient structure runs through in matching layer installing port to place in the outside of sensor housing body.
Description
Technical Field
The utility model relates to a liquid level detection equipment field specifically is a level sensor.
Background
In many modern apparatuses, many liquid level sensors are used as detecting parts, and in many modern apparatuses, liquid materials are required to be used to ensure stable operation of the apparatuses, people need to detect the content of the liquid materials regularly in the past, and with the development of technologies, more and more liquid level detecting apparatuses replace the past operation mode.
The piezoelectric ceramics of the existing liquid level sensor are easily influenced by other media to further influence the transmission of ultrasonic waves, and meanwhile, the existing liquid level sensor has no self-protection structure, is easy to damage after collision and aims to improve the transmission of the ultrasonic waves and carry out self-protection; therefore, the market is urgently in need of developing a liquid level sensor to help people to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a level sensor to solve its piezoceramics of current level sensor among the above-mentioned background art and receive the influence of all the other media easily, and then influence ultrasonic wave's transmission, also do not have the structure of self-protection simultaneously, the easy problem of damaging after the bumping.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a level sensor, includes the sensor housing body, be provided with matching layer installing port on the one end surface of sensor housing body, the inside fixed mounting of matching layer installing port has glass fiber board matching layer, glass fiber board matching layer is discoid, the axis position on glass fiber board matching layer is provided with matching layer salient structure, and matching layer salient structure and glass fiber board matching layer integrated into one piece, matching layer salient structure runs through in matching layer installing port to place the outside of sensor housing body in, matching layer salient structure's terminal surface is not on a horizontal plane with the terminal surface of sensor housing body.
Preferably, a piezoelectric ceramic mounting groove is formed in the middle shaft position of the outer surface of one side of the glass fiber board matching layer, piezoelectric ceramic is mounted inside the piezoelectric ceramic mounting groove, and the piezoelectric ceramic is adhered to the glass fiber board matching layer through glue.
Preferably, the adjustable ring has been cup jointed in the outside of sensor housing body, through connecting thread bud threaded connection between adjustable ring and the sensor housing body, fixed mounting has rubber protective sheath on one side surface of adjustable ring, rubber protective sheath cup joints the outside at the sensor housing body, the one end of sensor housing body surface is provided with spacing, spacing and sensor housing body integrated into one piece, the maximum diameter size of spacing is unanimous with the internal diameter size of rubber protective sheath.
Preferably, one end of the sensor shell is connected with a shell end cover in a threaded manner, and a threading hole is formed in the outer surface of the shell end cover.
Preferably, an inner installation cavity is arranged inside the sensor outer shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the outer surface of one end of the sensor shell is provided with the matching layer mounting port, the inner part of the matching layer mounting port is fixedly provided with the glass fiber board matching layer, the glass fiber board matching layer is disc-shaped, the middle shaft position of the glass fiber board matching layer is provided with the matching layer protruding structure, the matching layer protruding structure and the glass fiber board matching layer are integrally formed, the matching layer protruding structure penetrates through the matching layer mounting port and is arranged outside the sensor shell, the end surface of the matching layer protruding structure and the end surface of the sensor shell are not on the same horizontal plane, the ultrasonic transmission efficiency is improved by utilizing the material of the glass fiber board, the ultrasonic energy loss can be effectively reduced, the insulating property of the glass fiber board can enable the sensor to have better insulating effect, the contact between the sensor and a measured object is facilitated by the arrangement of the matching layer protruding structure, the installation convenience is effectively improved;
2. the utility model has the advantages that the piezoelectric ceramic mounting groove is arranged at the middle shaft position of the outer surface of one side of the glass fiber board matching layer, the piezoelectric ceramic is mounted in the piezoelectric ceramic mounting groove, and the piezoelectric ceramic is adhered to the glue of the glass fiber board matching layer, so that the connection firmness of the piezoelectric ceramic and the glass fiber board matching layer can be effectively improved, meanwhile, the glue can also reduce the intervention of other media, and the loss of ultrasonic energy is effectively reduced;
3. the utility model discloses a through cup joint the adjustable ring in the outside of sensor housing body, through connecting thread bud threaded connection between adjustable ring and the sensor housing body, fixed mounting has rubber protective sheath on one side surface of adjustable ring, rubber protective sheath cup joints the outside at the sensor housing body, the one end of sensor housing body surface is provided with spacing, spacing and sensor housing body integrated into one piece, spacing maximum diameter size is unanimous with rubber protective sheath's internal diameter size, this can utilize rubber protective sheath to protect glass fiber board matching layer at the in-process of transportation, effectually glass fiber board matching layer and mesa contact have been avoided and the damage appears, can change rubber protective sheath's position through rotatory adjustable ring simultaneously, can not produce the influence to the installation of this sensor.
Drawings
FIG. 1 is an internal structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: 1. a sensor outer housing; 2. a housing end cap; 3. an internal mounting cavity; 4. a glass fiber board matching layer; 5. a piezoelectric ceramic mounting groove; 6. piezoelectric ceramics; 7. a matching layer protrusion structure; 8. a limiting strip; 9. connecting the thread buds; 10. an adjusting ring; 11. a rubber protective sleeve; 12. a matching layer mounting port; 13. and (6) threading holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a liquid level sensor comprises a sensor shell body 1, wherein a matching layer mounting opening 12 is formed in the outer surface of one end of the sensor shell body 1, a glass fiber plate matching layer 4 is fixedly mounted inside the matching layer mounting opening 12, the glass fiber plate matching layer 4 is disc-shaped, a matching layer protruding structure 7 is arranged at the middle shaft position of the glass fiber plate matching layer 4, the matching layer protruding structure 7 and the glass fiber plate matching layer 4 are integrally formed, the matching layer protruding structure 7 penetrates through the matching layer mounting opening 12 and is arranged outside the sensor shell body 1, the end face of the matching layer protruding structure 7 and the end face of the sensor shell body 1 are not on the same horizontal plane, the ultrasonic transmission efficiency is improved by using the material of the glass fiber plate, meanwhile, the ultrasonic energy loss can be effectively reduced, the sensor can have a better insulation effect due to the insulation performance of the glass fiber plate, and the sensor is in contact with a measured object due to the arrangement of the matching layer protruding structure 7, the installation convenience is effectively improved.
Further, the axis position department of 4 one sides of glass fiber board matching layer surface is provided with piezoceramics mounting groove 5, and the internally mounted of piezoceramics mounting groove 5 has piezoceramics 6, and the 4 glue adhesions of piezoceramics 6 and glass fiber board matching layer, this firm in connection performance that can effectual improvement piezoceramics 6 and glass fiber board matching layer 4, glue also can reduce the intervention of other media simultaneously, the effectual loss that reduces the ultrasonic energy.
Further, the adjustable ring 10 has been cup jointed to the outside of sensor housing body 1, through connecting thread bud 9 threaded connection between adjustable ring 10 and the sensor housing body 1, fixed mounting has rubber protective sheath 11 on one side surface of adjustable ring 10, rubber protective sheath 11 cup joints the outside at sensor housing body 1, the one end of sensor housing body 1 surface is provided with spacing 8, spacing 8 and sensor housing body 1 integrated into one piece, the maximum diameter size of spacing 8 is unanimous with rubber protective sheath 11's internal diameter size, this is done and can be utilized rubber protective sheath 11 to protect glass fiber board matching layer 4 at the in-process of transportation, the effectual glass fiber board matching layer 4 of having avoided appears the damage with the mesa contact, can change the position of rubber protective sheath 11 through rotatory adjustable ring 10 simultaneously, can not exert an influence to the installation of this sensor.
Further, one end of the sensor shell body 1 is connected with a shell end cover 2 in a threaded mode, and a threading hole 13 is formed in the outer surface of the shell end cover 2.
Further, the inside of the sensor housing body 1 is provided with an inner mounting cavity 3.
The working principle is as follows: when the sensor is used, the sensor is firstly installed at a specified position, at the moment, an electronic element installed in the internal installation cavity 3 applies voltage to the piezoelectric ceramic 6, the piezoelectric ceramic 6 immediately starts to work and generates ultrasonic waves, the ultrasonic waves penetrate through the glass fiber board matching layer 4 to detect the liquid level, glue between the piezoelectric ceramic 6 and the glass fiber board matching layer 4 can effectively prevent other media from entering in the whole working process of the sensor, the loss of the ultrasonic waves is effectively avoided, meanwhile, the attribute of the glass fiber board matching layer 4 can also improve the transmission of the ultrasonic waves and improve the insulating property of the sensor, the adjusting ring 10 can be rotated to change the position of the rubber protective sleeve 11 in the dismounting and transporting process, the rubber protective sleeve 11 is placed outside the glass fiber board matching layer 4, and therefore the anti-collision protection is carried out on the glass fiber board matching layer 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A liquid level sensor comprising a sensor housing (1), characterized in that: be provided with matching layer installing port (12) on the one end surface of sensor housing body (1), the inside fixed mounting of matching layer installing port (12) has glass fiber board matching layer (4), glass fiber board matching layer (4) are discoid, the axis position of glass fiber board matching layer (4) is provided with matching layer salient structure (7), and matching layer salient structure (7) and glass fiber board matching layer (4) integrated into one piece, matching layer salient structure (7) run through in matching layer installing port (12) to place in the outside of sensor housing body (1), the terminal surface of matching layer salient structure (7) is not on a horizontal plane with the terminal surface of sensor housing body (1).
2. A liquid level sensor as claimed in claim 1, wherein: the glass fiber board matching layer is characterized in that a piezoelectric ceramic mounting groove (5) is formed in the middle shaft position of the outer surface of one side of the glass fiber board matching layer (4), piezoelectric ceramic (6) is mounted inside the piezoelectric ceramic mounting groove (5), and the piezoelectric ceramic (6) is adhered to the glass fiber board matching layer (4) through glue.
3. A liquid level sensor as claimed in claim 1, wherein: adjusting ring (10) has been cup jointed to the outside of sensor housing body (1), through connecting thread bud (9) threaded connection between adjusting ring (10) and sensor housing body (1), fixed mounting has rubber protective sheath (11) on the surface of one side of adjusting ring (10), rubber protective sheath (11) cup joint the outside at sensor housing body (1), the one end of sensor housing body (1) surface is provided with spacing (8), spacing (8) and sensor housing body (1) integrated into one piece, the maximum diameter size of spacing (8) is unanimous with the internal diameter size of rubber protective sheath (11).
4. A liquid level sensor as claimed in claim 1, wherein: one end of the sensor shell body (1) is in threaded connection with a shell end cover (2), and a threading hole (13) is formed in the outer surface of the shell end cover (2).
5. A liquid level sensor as claimed in claim 1, wherein: the sensor shell body (1) is internally provided with an internal installation cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314524.9U CN211504321U (en) | 2020-03-14 | 2020-03-14 | Liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020314524.9U CN211504321U (en) | 2020-03-14 | 2020-03-14 | Liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504321U true CN211504321U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020314524.9U Active CN211504321U (en) | 2020-03-14 | 2020-03-14 | Liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504321U (en) |
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2020
- 2020-03-14 CN CN202020314524.9U patent/CN211504321U/en active Active
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