CN220490175U - Ultrasonic liquid level sensor - Google Patents
Ultrasonic liquid level sensor Download PDFInfo
- Publication number
- CN220490175U CN220490175U CN202322080937.1U CN202322080937U CN220490175U CN 220490175 U CN220490175 U CN 220490175U CN 202322080937 U CN202322080937 U CN 202322080937U CN 220490175 U CN220490175 U CN 220490175U
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- Prior art keywords
- level sensor
- liquid level
- ultrasonic liquid
- heat dissipation
- sealing
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- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 239000000523 sample Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000003292 glue Substances 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to the technical field of sensors, and discloses an ultrasonic liquid level sensor which solves the problem of poor using effect of the traditional ultrasonic liquid level sensor, and comprises an ultrasonic liquid level sensor body, wherein the ultrasonic liquid level sensor body is composed of an outer sheath, a meter head and a probe assembly, the outer sheath is sleeved on the outer surface of the meter head, the probe assembly is connected to the bottom end of the meter head, the meter head is composed of a shell, a sealing panel, a controller, a sealing inner plate, a conductive plug connector and a plurality of heat dissipation metal strips, the controller is packaged in the middle position in the shell through sealing glue, the sealing panel is fixedly connected to the top end in the shell, the sealing inner plate is fixedly connected to the bottom end in the shell, and the conductive plug connector is positioned at the bottom of the sealing inner plate and is connected with the controller through a cable; the ultrasonic liquid level sensor can improve the overall tightness, has certain heat dissipation performance and anti-collision buffer performance, and effectively improves the use effect.
Description
Technical Field
The utility model belongs to the technical field of sensors, and particularly relates to an ultrasonic liquid level sensor.
Background
The ultrasonic liquid level sensor adopts non-contact measurement, so that the measured medium is almost unlimited, and the ultrasonic liquid level sensor can be widely used for measuring the heights of various liquid and solid materials.
However, the existing ultrasonic liquid level sensor is usually directly exposed to the outside, rainwater and dust easily enter the inside of the ultrasonic liquid level sensor, under the erosion of the rainwater and the dust, the measuring precision and the service life of the ultrasonic liquid level sensor are easily affected, and the instrument head and the measuring rod of the existing ultrasonic liquid level sensor are generally of fixed connection structures, so that the disassembly is inconvenient, and when the instrument head or the measuring rod is damaged, the independent disassembly and replacement are inconvenient.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the ultrasonic liquid level sensor, which effectively solves the problem that the use effect of the existing ultrasonic liquid level sensor is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ultrasonic wave level sensor, includes ultrasonic wave level sensor body, ultrasonic wave level sensor body comprises oversheath, instrument head and probe subassembly, the surface of instrument head is located to the oversheath cover and with instrument head fixed connection, probe subassembly connects in the bottom of instrument head, the instrument head comprises casing, sealing panel, a controller, sealed inner panel, electrically conductive bayonet joint and a plurality of heat dissipation metal strip, the controller passes through the intermediate position of encapsulation in the casing inside, sealing panel fixed connection is in the inside top of casing, sealed inner panel fixed connection is in the inside bottom of casing, electrically conductive bayonet joint is located the bottom of sealed inner panel and is connected with the controller through the cable, the bottom of casing internal surface is provided with the internal thread with probe subassembly assorted.
Preferably, the probe assembly comprises connector, detection probe rod, sealing washer, sealing clamp plate, spacing spring and roof, offered on the connector with detect probe rod assorted through-hole, detect probe rod and alternate in the through-hole, the inside of through-hole is provided with the rubber seal cover with detect probe rod assorted, sealing clamp plate fixed connection detects the top of probe rod, sealing washer snare locates and detects the probe rod, spacing spring fixed connection is in the top of sealing clamp plate, roof fixed connection is in the top of spacing spring.
Preferably, the top of connector surface is provided with external screw thread one with internal screw thread assorted, and the bottom of connector surface is provided with external screw thread two, and the side of sealing clamp plate is offered and is matchd and be connected with electrically conductive bayonet joint and detecting probe electricity conductive socket who surveys the probe, and the top of roof is provided with a plurality of steel balls, and the steel ball passes through the steel ball holder and is connected with the roof.
Preferably, the outer sheath comprises top lag and heat dissipation net cover, and top lag is located the top of heat dissipation net cover and is threaded connection structure with the heat dissipation net cover, and heat dissipation net cover and heat dissipation metal strip fixed connection have seted up a plurality of through-holes on the heat dissipation metal strip.
Compared with the prior art, the utility model has the beneficial effects that:
(1) In operation, through setting up the instrument head that comprises casing, sealed panel, controller, sealed inner panel, conductive plug and a plurality of heat dissipation metal strip, can improve the whole leakproofness of controller, avoid dust and rainwater to enter into the inside of controller, through setting up the probe subassembly that comprises connector, detection probe rod, sealing washer, sealing clamp plate, spacing spring and roof, can improve the leakproofness of probe subassembly and instrument head, realize dismantling the connection simultaneously, be convenient for change alone;
(2) Through setting up the oversheath that comprises top lag and heat dissipation net cover, can realize the heat dissipation to the controller with the cooperation of heat dissipation metal strip, avoid the heat to be difficult to discharge and influence the life of controller, can provide crashproof buffer performance through the oversheath simultaneously, avoid the instrument head unexpected to receive the striking and damage, and then improve ultrasonic wave level sensor's life.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of an ultrasonic liquid level sensor according to the present utility model;
FIG. 2 is a schematic diagram of a partial structure of an ultrasonic liquid level sensor according to the present utility model;
FIG. 3 is a schematic diagram of a second partial structure of the ultrasonic liquid level sensor according to the present utility model;
FIG. 4 is a schematic view of a partial structure of a probe assembly according to the present utility model;
in the figure: 1. an ultrasonic liquid level sensor body; 2. an outer sheath; 3. a gauge head; 4. a probe assembly; 5. a housing; 6. a sealing panel; 7. a controller; 8. sealing the inner plate; 9. a conductive plug; 10. a heat-dissipating metal strip; 11. sealing glue; 12. an internal thread; 13. a connector; 14. detecting a probe rod; 15. a sealing gasket; 16. a sealing pressing plate; 17. a limit spring; 18. a top plate; 19. a through hole; 20. an external thread I; 21. an external thread II; 22. a conductive socket; 23. steel balls; 24. a top protective sleeve; 25. a heat dissipation net sleeve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an ultrasonic liquid level sensor, which is shown in figures 1 to 3, and comprises an ultrasonic liquid level sensor body 1, wherein the ultrasonic liquid level sensor body 1 is composed of an outer sheath 2, an instrument head 3 and a probe assembly 4, the outer sheath 2 is sleeved on the outer surface of the instrument head 3 and fixedly connected with the instrument head 3, the probe assembly 4 is connected with the bottom end of the instrument head 3, the instrument head 3 is composed of a shell 5, a sealing panel 6, a controller 7, a sealing inner plate 8, a conductive plug 9 and a plurality of heat dissipation metal strips 10, the controller 7 is packaged in the middle position inside the shell 5 through a sealant 11, the sealing panel 6 is fixedly connected with the top end inside the shell 5, the sealing inner plate 8 is fixedly connected with the bottom end inside the shell 5, the conductive plug 9 is positioned at the bottom of the sealing inner plate 8 and is connected with the controller 7 through a cable, and the bottom end of the inner surface of the shell 5 is provided with an internal thread 12 matched with the probe assembly 4;
as shown in fig. 2 to 4, the probe assembly 4 is composed of a connector 13, a detection probe rod 14, a sealing gasket 15, a sealing pressing plate 16, a limiting spring 17 and a top plate 18, a through hole 19 matched with the detection probe rod 14 is formed in the connector 13, the detection probe rod 14 is inserted into the through hole 19, a rubber sealing sleeve matched with the detection probe rod 14 is arranged in the through hole 19, the sealing pressing plate 16 is fixedly connected to the top end of the detection probe rod 14, the sealing gasket 15 is sleeved on the detection probe rod 14, the limiting spring 17 is fixedly connected to the top end of the sealing pressing plate 16, the top plate 18 is fixedly connected to the top end of the limiting spring 17, the top end of the outer surface of the connector 13 is provided with an external thread 20 matched with an internal thread 12, the bottom end of the outer surface of the connector 13 is provided with an external thread 21, a conductive inserting groove 22 matched with a conductive inserting head 9 and electrically connected with the detection probe rod 14 is formed in the side edge of the sealing pressing plate 16, a plurality of steel balls 23 are arranged on the top end of the top plate 18, the steel balls 23 are connected with the top plate 18 through a retainer, the outer sheath 2 is composed of a top protection sleeve 24 and a mesh 25, the top protection sleeve 24 is arranged on the top protection sleeve 25, the top protection sleeve 25 is arranged on the top end 25 and is fixedly connected with a metal strip 10 through a heat dissipation wire 10, and is fixedly connected with a heat dissipation wire 10 through a heat dissipation wire 10;
when the ultrasonic liquid level sensor is assembled and installed, the controller 7 is fully sealed through the sealant 11, so that the overall tightness of the controller 7 can be improved, the detection probe rod 14 is inserted into the connector 13, the sealing gasket 15 is located between the sealing pressing plate 16 and the connector 13, the conductive plug 9 is inserted into the conductive plug groove 22, the probe assembly 4 is connected to the bottom end of the shell 5, the first external thread 20 is connected with the internal thread 12, the top plate 18 is in contact with the bottom surface of the sealing inner plate 8 in the process that the connector 13 ascends along the inner side wall of the shell 5, friction can be reduced through the steel balls 23, the limit spring 17 is compressed, the sealing gasket 15 is compressed between the sealing pressing plate 16 and the connector 13, therefore, the tightness of connection between the instrument head 3 and the probe assembly 4 can be improved, meanwhile, the later-stage heat generated during operation of the controller 7 is also conveniently replaced independently, the heat generated during operation of the instrument head 3 and the probe assembly 4 is transferred to the heat dissipation metal strip 10, the heat is transferred to the heat dissipation net 25, therefore, the heat dissipation function can be realized, the buffer performance can be realized through the top protection sleeve 24 and the net 25, and the buffer performance can be prevented from being damaged by the liquid level sensor due to collision.
In operation, through setting up the instrument head that comprises casing, sealed panel, controller, sealed inner panel, conductive contact plug and a plurality of heat dissipation metal strip, can improve the whole leakproofness of controller, avoid dust and rainwater to enter into the inside of controller, through setting up the probe subassembly that comprises connector, detection probe rod, sealing washer, sealing clamp plate, spacing spring and roof, can improve the leakproofness of probe subassembly and instrument head, realize detachable connection simultaneously, be convenient for change alone; through setting up the oversheath that comprises top lag and heat dissipation net cover, can realize the heat dissipation to the controller with the cooperation of heat dissipation metal strip, avoid the heat to be difficult to discharge and influence the life of controller, can provide crashproof buffer performance through the oversheath simultaneously, avoid the instrument head unexpected to receive the striking and damage, and then improve ultrasonic wave level sensor's life.
Claims (4)
1. An ultrasonic liquid level sensor, comprising an ultrasonic liquid level sensor body (1), characterized in that: the ultrasonic liquid level sensor body (1) comprises oversheath (2), instrument head (3) and probe subassembly (4), the surface of instrument head (3) is located to oversheath (2) cover and with instrument head (3) fixed connection, probe subassembly (4) are connected in the bottom of instrument head (3), instrument head (3) are by casing (5), sealed panel (6), controller (7), sealed inner panel (8), electrically conductive bayonet joint (9) and a plurality of heat dissipation metal strip (10) constitute, controller (7) encapsulate in the inside intermediate position of casing (5) through sealed glue (11), sealed panel (6) fixed connection is in the inside top of casing (5), sealed inner panel (8) fixed connection is in the inside bottom of casing (5), electrically conductive bayonet joint (9) are located the bottom of sealed inner panel (8) and are connected with controller (7) through the cable, the bottom of casing (5) internal surface is provided with probe subassembly (4) assorted internal thread (12).
2. An ultrasonic liquid level sensor according to claim 1, wherein: the probe assembly (4) comprises a connector (13), a detection probe rod (14), a sealing gasket (15), a sealing pressing plate (16), a limiting spring (17) and a top plate (18), a through hole (19) matched with the detection probe rod (14) is formed in the connector (13), the detection probe rod (14) is inserted in the through hole (19), a rubber sealing sleeve matched with the detection probe rod (14) is arranged in the through hole (19), the sealing pressing plate (16) is fixedly connected to the top end of the detection probe rod (14), the sealing gasket (15) is sleeved on the detection probe rod (14), the limiting spring (17) is fixedly connected to the top end of the sealing pressing plate (16), and the top plate (18) is fixedly connected to the top end of the limiting spring (17).
3. An ultrasonic liquid level sensor according to claim 2, wherein: the top of connector (13) surface is provided with external screw thread one (20) with internal screw thread (12) assorted, and the bottom of connector (13) surface is provided with external screw thread two (21), and electrically conductive grafting groove (22) with electrically conductive grafting head (9) assorted and be connected with detection probe rod (14) are seted up to the side of sealed clamp plate (16), and the top of roof (18) is provided with a plurality of steel balls (23), and steel ball (23) are connected with roof (18) through the steel ball holder.
4. An ultrasonic liquid level sensor according to claim 1, wherein: the outer sheath (2) comprises a top protective sleeve (24) and a heat dissipation net sleeve (25), wherein the top protective sleeve (24) is positioned at the top end of the heat dissipation net sleeve (25) and is in threaded connection with the heat dissipation net sleeve (25), the heat dissipation net sleeve (25) is fixedly connected with the heat dissipation metal strip (10), and a plurality of through holes are formed in the heat dissipation metal strip (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322080937.1U CN220490175U (en) | 2023-08-03 | 2023-08-03 | Ultrasonic liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322080937.1U CN220490175U (en) | 2023-08-03 | 2023-08-03 | Ultrasonic liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490175U true CN220490175U (en) | 2024-02-13 |
Family
ID=89830447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322080937.1U Active CN220490175U (en) | 2023-08-03 | 2023-08-03 | Ultrasonic liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220490175U (en) |
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2023
- 2023-08-03 CN CN202322080937.1U patent/CN220490175U/en active Active
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