CN210741580U - Ultrasonic liquid level meter convenient to overhaul - Google Patents
Ultrasonic liquid level meter convenient to overhaul Download PDFInfo
- Publication number
- CN210741580U CN210741580U CN201921326077.2U CN201921326077U CN210741580U CN 210741580 U CN210741580 U CN 210741580U CN 201921326077 U CN201921326077 U CN 201921326077U CN 210741580 U CN210741580 U CN 210741580U
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- cover plate
- circuit board
- ultrasonic
- elastic
- level gauge
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- 239000007788 liquid Substances 0.000 title description 19
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000011521 glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides an ultrasonic wave level gauge convenient to overhaul, including the casing that is equipped with the installation storehouse, its characterized in that: the mounting bin is internally connected with a circuit board device through a spring, one side of the circuit board device is connected with a measurement display device, the other side of the circuit board device is provided with a cover plate device, and one side of the cover plate device is provided with a plurality of fixing components; installation storehouse lower extreme still be connected with the mounting bracket device through the connecting rod, the utility model provides a pair of ultrasonic wave level gauge convenient to overhaul, through the apron device and the mounting bracket device that set up, be convenient for to ultrasonic wave's maintenance.
Description
Technical Field
The invention belongs to the technical field of instruments and meters, and particularly relates to an ultrasonic liquid level meter convenient to overhaul.
Background
The ultrasonic liquid level meter is a digital liquid level meter controlled by a microprocessor, ultrasonic pulses are emitted by a sensor (transducer) in measurement, sound waves are received by the same sensor or an ultrasonic receiver after being reflected by the surface of a liquid, the sound waves are converted into electric signals through a piezoelectric crystal or a magnetostrictive device, and the distance from the sensor to the surface of the measured liquid is calculated according to the time between the emission and the reception of the sound waves.
For example, chinese patent document discloses an ultrasonic level gauge, [ application number: 201821991827.3, including measuring tank, heat insulating box, horizontal plate and adjusting device, the lower fixed surface of heat insulating box is connected with the horizontal plate, the lower surface bilateral symmetry fixedly connected with adjusting device of horizontal plate, flexible groove has been seted up to adjusting device's inside, the inside movable mounting in flexible groove has flexible post, the spacing groove has all been seted up to the both sides in flexible groove, the top regulation of flexible post is connected with the limiting plate.
In the above scheme, although the ultrasonic liquid level meter can provide protection for the liquid level meter through the heat insulation box to a certain extent, the ultrasonic liquid level meter cannot meet the requirement for convenient maintenance.
Disclosure of Invention
The invention aims to solve the problems and provides the ultrasonic liquid level meter convenient to overhaul.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an ultrasonic wave level gauge convenient to overhaul, includes the casing that is equipped with the installation storehouse, its characterized in that: the mounting bin is internally connected with a circuit board device through a spring, one side of the circuit board device is connected with a measurement display device, the other side of the circuit board device is provided with a cover plate device, and one side of the cover plate device is provided with a plurality of fixing components; the lower end of the mounting bin is also connected with a mounting rack device through a connecting rod.
Preferably, the circuit board device comprises a circuit board provided with a microprocessor, and the microprocessor is electrically connected with an ultrasonic transmitting circuit and an ultrasonic receiving circuit.
Preferably, the measurement display device comprises a display screen and a communication module which are respectively connected with the microprocessor through a first elastic lead and a second elastic lead; the measuring and displaying device also comprises a sensor which is respectively connected with the ultrasonic transmitting circuit and the ultrasonic receiving circuit through a third elastic lead.
Preferably, the cover plate device comprises a cover plate which is matched with the shell and is provided with a thimble, and one side of the cover plate is provided with an elastic sealing gasket with a sealing ring; the cover plate device also comprises a magnifier fixedly arranged on the cover plate, and the installation position of the magnifier corresponds to the position of the circuit board device.
Preferably, the fixing assembly comprises a sliding rail matched with the straight rod, the straight rod is fixedly installed on one side of the cover plate, a groove is formed in the front end of the sliding rail, fixing rubber is arranged on the bottom surface of the groove, an elastic sheet is arranged on one side of the fixing rubber, and the elastic sheet is fixedly installed at the front end of the straight rod.
Preferably, the mounting frame device comprises a fixed column provided with an inner cavity matched with the connecting rod, an elastic piece in close contact with the connecting rod is arranged in the inner cavity, a limiting groove matched with the limiting column is formed in the upper end of the fixed column, and a dismounting groove is formed in one side of the limiting groove; the mounting rack device also comprises a threaded hole arranged on one side of the fixing column.
Compared with the prior art, the invention has the advantages that:
1. the elastic sealing gasket, the elastic sheet and the sealing rubber arranged on the cover plate device are matched for use, so that the sealing effect is better, the elastic sheet is more convenient to disassemble, and the magnifying glass is more favorable for magnifying a circuit and finding a fault point.
2. The mounting frame device provided by the invention adopts a mode that the fixed column is separated from the limiting column, the fixed column is fixedly connected with the equipment, the ultrasonic liquid level meter is favorably fixed, the limiting column is favorably arranged for disassembling the ultrasonic liquid level meter, and the elastic piece, the limiting column and the limiting groove are matched for use, so that the ultrasonic liquid level meter is conveniently fixed.
Drawings
FIG. 1 is a block diagram of an ultrasonic level gauge of the present invention for easy maintenance.
FIG. 2 is a left side view of an ultrasonic level gauge of the present invention for ease of maintenance.
FIG. 3 is a cross-sectional view of the A-A side of an ultrasonic level gauge of the present invention for easy maintenance.
In the figure, a shell 1, a mounting bin 11, a spring 12, a connecting rod 13, a circuit board device 2, a microprocessor 21, a circuit board 22, an ultrasonic transmitting circuit 23, an acoustic wave receiving circuit 24, a measurement display device 3, a first elastic lead 31, a second elastic lead 32, a display screen 33, a communication module 34, a third elastic lead 35, a sensor 36, a cover plate device 4, a thimble 41, a cover plate 42, an elastic sealing gasket 43, a sealing ring M, a magnifier 44, a fixing component 5, a straight rod 51, a slide rail 52, a groove 53, a fixing rubber 54, an elastic sheet 55, a mounting frame device 6, an inner cavity 61, a fixing column 62, an elastic piece 63, a limiting column 64, a limiting groove 65, a dismounting groove 66 and a threaded hole 67 are arranged.
Detailed Description
As shown in fig. 1, 2 and 3, an ultrasonic liquid level meter convenient for maintenance comprises a shell 1 provided with an installation bin 11, wherein the installation bin 11 is internally connected with a circuit board device 2 through a spring 12, when the spring 12 in the device is in a free state, the circuit board device 2 is positioned at the periphery of the installation bin 11, the design is favorable for disassembling and maintaining the circuit board device 2, one side of the circuit board device 2 is connected with a measurement display device 3, the other side of the circuit board device 2 is provided with a cover plate device 4, and one side of the cover plate device 4 is provided with a plurality of fixing components 5; the lower end of the installation bin 11 is also connected with an installation frame device 6 through a connecting rod 13.
Specifically, the circuit board device 2 includes a circuit board 22 provided with a microprocessor 21, the microprocessor 21 is electrically connected with an ultrasonic transmitting circuit 23 and an ultrasonic receiving circuit 24, and the microprocessor 21, the circuit board 22, the ultrasonic transmitting circuit 23 and the ultrasonic receiving circuit 24 in the device can all adopt corresponding components or circuits used in an integrated ultrasonic level gauge of the Shanghai Shuochan EA200 series.
Further, the measurement display device 3 includes a display screen 33 and a communication module 34 connected to the microprocessor 21 through a first elastic wire 31 and a second elastic wire 32, respectively; the measurement display device 3 further comprises a sensor 36 connected with the ultrasonic wave transmitting circuit 23 and the ultrasonic wave receiving circuit 24 through a third elastic lead 35, and the communication module 34 in the device can adopt RS-487, and the sensor 36 is used for transmitting and receiving ultrasonic waves so as to measure the liquid level.
Specifically, the cover plate device 4 comprises a cover plate 42 with a thimble 41, which is matched with the shell 1, and one side of the cover plate 42 is provided with an elastic sealing gasket 43 with a sealing ring M; the cover plate device 4 also comprises a magnifier 44 fixedly arranged on the cover plate 42, the installation position of the magnifier 44 corresponds to the position of the circuit board device 2, the thimble 41 in the device can be matched with the support column a arranged on the shell 1 for fixing the circuit board 22 and keeping the balance of the circuit board 22, the cover plate 42 can be made of transparent materials, such as glass and acrylic plates, the arrangement of the sealing ring M is favorable for isolating the installation bin 11 from the external environment and protecting the circuits and components involved in the circuit board device 2, the elastic sealing gasket 43 is matched with the fixing component for fixing the cover plate device 4, the magnifier 44 is fixedly embedded on the cover plate 42, the size of the magnifier 44 is arranged according to the circuit board device 2, so that the connection point conditions of each circuit and component of the circuit board device 2 can be seen through the magnifier 44, the fault is convenient to find and overhaul.
Furthermore, the fixing component 5 includes a sliding rail 52 mutually matched with the straight bar 51, the straight bar 51 is fixedly installed on one side of the cover plate 42, a groove 53 is formed in the front end of the sliding rail 52, fixing rubber 54 is arranged on the bottom surface of the groove 53, an elastic sheet 55 is arranged on one side of the fixing rubber 54, and the elastic sheet 55 is fixedly installed on the front end of the straight bar 51.
Specifically, the mounting bracket device 6 comprises a fixed column 62 provided with an inner cavity 61 matched with the connecting rod 13, an elastic piece 63 tightly contacted with the connecting rod 13 is arranged in the inner cavity 61, a limit groove 65 matched with the limit column 64 is arranged at the upper end of the fixed column 62, and a dismounting groove 66 is arranged at one side of the limit groove 65; mounting bracket device 6 is still including setting up in the screw hole 67 of fixed column 62 one side, fixed column 62 fixed mounting is on equipment in the in-service use process, the mounting means can adopt the welding, threaded connection or flange joint's mode, the main part of level gauge passes through elastic component 63, spacing post 64 is fixed on fixed column 62 with spacing groove 65's cooperation use, elastic component 63 can adopt the spring, elastic rubber post or shell fragment, the one end fixed mounting of elastic component 63 is on connecting rod 13, the opposite side is nevertheless unset with the bottom surface contact of inner chamber 61, the main part of the level gauge of being convenient for can rotate to spacing post 64 and dismantle groove 66 cooperation position, the dismouting of the level gauge main part of being convenient for, thereby convenient to overhaul.
The working principle is as follows: when the product is needed, the fixed column 62 is fixedly arranged on the equipment, the connecting rod 13 is arranged in the inner cavity 61 from the dismounting groove 66, the elastic piece 63 is abutted against the bottom surface of the inner cavity 11, then the connecting rod 13 is rotated, the limiting column 64 is clamped in the limiting groove 66, the main body part of the liquid level meter is fixed on the fixed column 62 under the action of the elastic piece 63 and the limiting column 64, when the liquid level meter has a fault, whether the circuit connection point in the circuit board device 2 is short-circuited or broken can be observed through the magnifier 44, whether each component is obviously damaged can also be observed, if the component is abnormal, the elastic piece 63 can be compressed in the inner cavity 61, the limiting column 64 is rotated to the position of the limiting groove 65, the main body part of the liquid level meter is dismounted from the dismounting groove 66, the elastic piece 55 is pressed, the elastic piece enters the slide rail 52, and the simple cover plate device is dismounted, the circuit board 22 is not stressed, and pop out in the installation storehouse 11 under the effect of spring 12, be convenient for overhaul the trouble of seeing through circuit board device 2 of magnifying glass, overhaul the back, pass slide rail 52 with straight-bar 51 again, and compress elastic sealing pad 43, make shell fragment 55 bounce out to the free state in recess 53, loosen apron 42 again, apron 42 moves backward under the effect of elastic sealing pad 43 elastic restoring force, make shell fragment 55 card on fixed rubber 54, make apron device 4 installation inseparabler, the first installation of repetition again, the instrument is installed well.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although terms such as the housing 1, the mounting chamber 11, the spring 12, the connecting rod 13, the circuit board device 2, the microprocessor 21, the circuit board 22, the ultrasonic wave transmitting circuit 23, the sound wave receiving circuit 24, the measurement display device 3, the first elastic lead 31, the second elastic lead 32, the display screen 33, the communication module 34, the third elastic lead 35, the sensor 36, the cover device 4, the thimble 41, the cover plate 42, the elastic sealing gasket 43, the sealing ring M, the magnifying glass 44, the fixing component 5, the straight rod 51, the slide rail 52, the groove 53, the fixing rubber 54, the elastic sheet 55, the mounting frame device 6, the inner cavity 61, the fixing column 62, the elastic piece 63, the limit column 64, the limit groove 65, the detaching groove 66 and the threaded hole 67 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (6)
1. The utility model provides an ultrasonic wave level gauge convenient to overhaul, is including casing (1) that is equipped with installation storehouse (11), its characterized in that: a circuit board device (2) is connected in the installation bin (11) through a spring (12), one side of the circuit board device (2) is connected with a measurement display device (3), the other side of the circuit board device (2) is provided with a cover plate device (4), and one side of the cover plate device (4) is provided with a plurality of fixing components (5); the lower end of the mounting bin (11) is further connected with a mounting rack device (6) through a connecting rod (13).
2. An ultrasonic level gauge convenient to service as claimed in claim 1, wherein: the circuit board device (2) comprises a circuit board (22) provided with a microprocessor (21), wherein the microprocessor (21) is electrically connected with an ultrasonic transmitting circuit (23) and an ultrasonic receiving circuit (24).
3. An ultrasonic level gauge as claimed in claim 2, which is easy to service, and which is characterized by: the measurement display device (3) comprises a display screen (33) and a communication module (34) which are respectively connected with the microprocessor (21) through a first elastic lead (31) and a second elastic lead (32); the measurement display device (3) further comprises a sensor (36) which is respectively connected with the ultrasonic transmitting circuit (23) and the ultrasonic receiving circuit (24) through a third elastic lead (35).
4. An ultrasonic level gauge convenient to service as claimed in claim 1, wherein: the cover plate device (4) comprises a cover plate (42) which is matched with the shell (1) and is provided with a thimble (41), and one side of the cover plate (42) is provided with an elastic sealing gasket (43) with a sealing ring (M); the cover plate device (4) further comprises a magnifier (44) fixedly mounted on the cover plate (42), and the mounting position of the magnifier (44) corresponds to the position of the circuit board device (2).
5. An ultrasonic level gauge as claimed in claim 4, which is easy to service, and which is characterized by: the fixing component (5) comprises a sliding rail (52) matched with a straight rod (51), the straight rod (51) is fixedly installed on one side of the cover plate (42), a groove (53) is formed in the front end of the sliding rail (52), fixing rubber (54) is arranged on the bottom surface of the groove (53), an elastic sheet (55) is arranged on one side of the fixing rubber (54), and the elastic sheet (55) is fixedly installed on the front end of the straight rod (51).
6. An ultrasonic level gauge convenient to service as claimed in claim 1, wherein: the mounting frame device (6) comprises a fixing column (62) provided with an inner cavity (61) matched with the connecting rod (13), an elastic piece (63) in close contact with the connecting rod (13) is arranged in the inner cavity (61), a limiting groove (65) matched with a limiting column (64) is arranged at the upper end of the fixing column (62), and a dismounting groove (66) is arranged at one side of the limiting groove (65); the mounting rack device (6) further comprises a threaded hole (67) formed in one side of the fixing column (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921326077.2U CN210741580U (en) | 2019-08-15 | 2019-08-15 | Ultrasonic liquid level meter convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921326077.2U CN210741580U (en) | 2019-08-15 | 2019-08-15 | Ultrasonic liquid level meter convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210741580U true CN210741580U (en) | 2020-06-12 |
Family
ID=71006491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921326077.2U Expired - Fee Related CN210741580U (en) | 2019-08-15 | 2019-08-15 | Ultrasonic liquid level meter convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210741580U (en) |
-
2019
- 2019-08-15 CN CN201921326077.2U patent/CN210741580U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |