CN210625803U - Ultrasonic liquid level detection system - Google Patents
Ultrasonic liquid level detection system Download PDFInfo
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- CN210625803U CN210625803U CN201921799904.XU CN201921799904U CN210625803U CN 210625803 U CN210625803 U CN 210625803U CN 201921799904 U CN201921799904 U CN 201921799904U CN 210625803 U CN210625803 U CN 210625803U
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Abstract
An ultrasonic liquid level detection system relates to the technical field of liquid level meters, and adopts the technical scheme that the system comprises an ultrasonic liquid level meter, a sensor, a sliding device and a telescopic device; the sliding device comprises a sliding rail, the sliding rail is connected with a sliding block in a sliding manner, and a protection box is fixedly connected onto the sliding block; the top of the protection box is fixedly connected with an ultrasonic liquid level meter, and the side surface of one side of the protection box parallel to the length direction of the sliding rail is fixedly connected with the telescopic device; the sensor is arranged on the telescopic device; the telescopic device comprises a power device, and the power device is located in the protection box. The utility model discloses can remove in a flexible way, measuring range is wide, has set up safeguard measure to the sensor, and is better to the measurement operation adaptability under the open-air environment.
Description
Technical Field
The utility model relates to a level gauge technical field, in particular to ultrasonic wave liquid level detection system.
Background
The ultrasonic liquid level detection system is a position measuring instrument with wide application range at present. During measurement, ultrasonic pulses are emitted by the sensor, sound waves are reflected by the surface of the liquid and then received by the same sensor, the sound waves are converted into electric signals through the piezoelectric crystal or the 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.
Because of adopting non-contact measurement, the measured medium is almost unlimited, and can be widely used for measuring the height of various liquid and solid materials. However, one ultrasonic liquid level detection system can only measure the height of one liquid level, and when the liquid level in a plurality of liquid storage tanks or slurry storage tanks which are rectangular arrays in the outdoor environment needs to be measured at regular time, a plurality of ultrasonic liquid level detection systems need to be arranged at fixed points, so that the measurement cost is greatly increased, and the installation of a plurality of liquid level meters wastes time and labor. In the open air environment, there is not sheltering from around the sensor of general ultrasonic wave liquid level detection system, and foreign matter such as water droplet is the easy adhesion, causes to block to sound wave transmission and receipt to influence measurement accuracy.
Therefore, it is necessary to design an ultrasonic liquid level detection system which can flexibly measure and provide a protective measure for the sensor.
SUMMERY OF THE UTILITY MODEL
The fixed point measurement mode cost to being a plurality of liquid storage pots of rectangular array among the prior art scheme or holding the interior liquid level of thick liquid pond is higher, and the installation is troublesome, and the sensor does not have the problem of protection, the utility model provides a pair of ultrasonic wave liquid level detection system can remove in a flexible way, and measuring range coverage area is wide, has set up safeguard measure to the sensor simultaneously, has guaranteed measurement accuracy.
The utility model provides a technical scheme as follows: an ultrasonic liquid level detection system comprises an ultrasonic liquid level meter, a sensor, a sliding device and a telescopic device; the sliding device comprises a sliding rail, the sliding rail is connected with a sliding block in a sliding manner, and a protection box is fixedly connected onto the sliding block; the top of the protection box is fixedly connected with an ultrasonic liquid level meter, and the side surface of one side of the protection box parallel to the length direction of the sliding rail is fixedly connected with the telescopic device; the sensor is arranged on the telescopic device; the telescopic device comprises a power device, and the power device is located in the protection box.
As a specific implementation mode, the telescopic device further comprises a base, a screw, a nut, a push rod, a guide sleeve, a positioning pipe and a control button; the base is fixedly connected to the sliding block, and the power device is connected to the base; a rotating shaft of the power device is connected with a screw rod, and the surface of the screw rod is provided with threads; the nut is movably connected to the screw rod, and the inner surface of the nut is provided with threads meshed with the screw rod threads; one end of the push rod is connected to the nut, and the other end of the push rod is provided with a connecting rod; the push rod is movably connected with a guide sleeve, the guide sleeve is fixedly connected to one end of the positioning tube, and the other end of the positioning tube is fixedly connected to the side wall of the protection box; the control button is arranged on the side wall of one side, which deviates from the positioning tube, of the protection box.
Through adopting above technical scheme, through slider and telescoping device, can adjust the position coordinate of sensor on the horizontal plane, improve measurable quantity scope, realized measuring the purpose of a plurality of liquid storage tanks through single ultrasonic wave liquid level detection system. The length of the specific telescopic device and the length of the slide rail can be determined according to actual needs.
As a specific implementation manner, the sensor further comprises a connecting rod, and the connecting rod is provided with a shielding device.
Preferably, the shielding device is a horn-shaped shell with a small upper part and a large lower part or a cylindrical shell with a top surface, a cover and a bottom surface and no cover.
Through the technical scheme who adopts above, shelter from the device and can cover the sensor cage completely including, can prevent that the sensor from being blockked by foreign matters such as rainwater, influencing measurement accuracy, shelter from the device bottom simultaneously and be the open-type, do not influence sensor transmission and receiving sound wave.
Preferably, a support rod is connected between the sliding block and the bottom of the telescopic device.
After the push rod extends, the gravity center moves outwards, and the supporting rod is arranged to enable the whole structure to be more stable.
Preferably, the slide rail is further provided with a mounting plate, and the mounting plate is provided with a mounting hole.
The slide rail can be through mode fixed connection such as welding on the metal frame at liquid storage tank top, also can be through setting up the mounting panel, be provided with the mounting hole on the mounting panel, and the bolt can pass mounting hole fixed connection on the metal frame of liquid storage tank or hold on the cement base in thick liquid pond.
This implementation is novel can remove in a flexible way, is convenient for measure the liquid storage pot that is the rectangular array or the different liquid levels that hold the thick liquid pond, simple structure, and convenient operation can save a large amount of equipment cost and installation cost, has also solved ultrasonic wave liquid level detection system and has blockked the problem on sensor surface by foreign matters such as raindrops easily under the open air environment during operation, has guaranteed measuring accuracy nature.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic plan view of an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals: 1-ultrasonic liquid level meter, 2-sensor, 3-slide rail, 4-slide block, 5-protection box, 6-telescopic device, 61-power device, 62-base, 63-screw rod, 64-nut, 65-push rod, 66-guide sleeve, 67-positioning tube, 68-control button, 7-connecting rod, 8-shielding device, 9-support rod and 10-mounting plate.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides an embodiment as shown in figure 1, figure 2 and figure 3, an ultrasonic liquid level detection system, which comprises an ultrasonic liquid level meter 1, a sensor 2, a sliding device and a telescopic device 6; the sliding device comprises a sliding rail 3, the sliding rail is connected with a sliding block 4 in a sliding mode, and a protection box 5 is fixedly connected onto the sliding block 4; the top of the protection box 5 is fixedly connected with an ultrasonic liquid level meter 1, and the side surface of one side of the protection box 5 parallel to the length direction of the slide rail is fixedly connected with the telescopic device 6; the sensor 2 is arranged on the telescopic device 6; the telescopic device comprises a power device 61, and the power device 61 is positioned in the protection box 5.
The model of the ultrasonic liquid level meter can be selected from an YL-UTF ultrasonic liquid level meter, and the sensor is a sensor matched with the ultrasonic liquid level meter. The sensor transmits signals to the liquid level meter through a wire, and the wire is arranged in the telescopic device and the connecting rod. The slide rail, the slide block and the protection box can be made of stainless steel materials. The length of the sliding rail and the telescopic device can be determined according to the range covered by actual measurement.
The slide rail can be installed on the metal frame at the top of the liquid storage tank in a welding mode. During the measurement, promote the ultrasonic wave level gauge, drive the slider lateral shifting to the position that is closest to the measuring point on the slide rail, restart telescoping device, control telescoping device extension or shorten, mobile sensor reachs the measuring point, and the transmission and receiving sound wave begin to measure, and the ultrasonic wave level gauge is handled and is taken notes this place data. And after the measurement is finished, the telescopic device is continuously controlled or the ultrasonic liquid level meter is pushed to the next measurement point.
As a specific embodiment, the telescopic device 6 further includes a base 62, a screw 63, a nut 64, a push rod 65, a guide sleeve 66, a positioning tube 67 and a control button 68; the base 62 is fixedly connected to the sliding block 4, and the power device 61 is connected to the base 62; a screw 63 is connected with a rotating shaft of the power device 61, and the surface of the screw 63 is provided with threads; the nut 64 is movably connected to the screw 63, and the inner surface of the nut is provided with threads meshed with the screw threads; one end of the push rod 65 is connected to the nut 64, and the other end of the push rod is provided with a connecting rod 7; the push rod 65 is movably connected with a guide sleeve 66, the guide sleeve 66 is fixedly connected with one end of a positioning tube 67, and the other end of the positioning tube 67 is fixedly connected with the side wall of the protection box 5; the control button 68 is provided on a side wall of the protective box 5 facing away from the positioning tube 67.
The power device can be a direct current motor. The lateral wall of protection box can be opened, conveniently changes the power. The base can be made of stainless steel materials, and the screw, the nut, the push rod, the guide sleeve and the positioning pipe can be made of high-strength engineering plastics, so that the base is high in strength and light in weight. When the control button is pressed down, the direct current motor is controlled to rotate forwards or reversely, the motor forward rotation push rod extends, and the motor reverse rotation push rod retracts.
The power device drives the screw rod to rotate through the rotating shaft, the nut makes linear motion in the axial direction of the positioning pipe under the mutual action of the threads meshed with the screw rod, and drives the push rod connected to the nut to make linear motion, and the specific structure is shown in fig. 4. The power device can be operated to rotate forward and backward through the control button, so that the push rod can be opened and closed and can stretch out and retract. The utility model discloses a push rod, including the stand pipe, the stand pipe is connected with the push rod, the stand pipe is connected with the guide pin bushing, the push rod cover is in the guide pin bushing, can increase friction, makes the push rod displacement process more stable, also can prevent that the push rod from surpassing maximum telescopic distance.
As a specific embodiment, the sensor 2 further includes a connecting rod 7, and the connecting rod 7 is provided with a shielding device 8.
Preferably, the shielding device 8 is a horn-shaped shell with a small top and a large bottom or a cylindrical shell with a top surface covered and a bottom surface uncovered.
The connecting rod can be made of stainless steel materials and connects the sensor with the push rod of the telescopic device. The shielding device can be made of rubber materials, the sensor can be completely covered, the sensor is prevented from being blocked by foreign matters such as rainwater and the like, the measurement precision is prevented from being influenced, and the bottom of the shielding device is open, so that the transmission and the receiving of sound waves of the sensor are not influenced.
Preferably, a support rod is connected between the slide block 4 and the bottom of the telescopic device 6. After the push rod extends, the gravity center moves outwards, and the supporting rod is arranged to enable the whole structure to be more stable.
Preferably, the slide rail 3 is further provided with a mounting plate 10, and the mounting plate 10 is provided with a mounting hole.
The slide rail can be connected on the metal framework at liquid storage tank top through modes such as welding, also can be through setting up the mounting panel, is provided with the mounting hole on the mounting panel, can set up the bolt in the mounting hole position, with slide rail fixed connection on the metal framework of liquid storage tank or hold on the cement base in thick liquid pond.
The above is an embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. An ultrasonic liquid level detection system, characterized in that: comprises an ultrasonic liquid level meter (1), a sensor (2), a sliding device and a telescopic device (6); the sliding device comprises a sliding rail (3), the sliding rail is connected with a sliding block (4) in a sliding mode, and a protection box (5) is fixedly connected onto the sliding block (4); the top of the protection box (5) is fixedly connected with an ultrasonic liquid level meter (1), and the side surface of one side of the protection box (5) parallel to the length direction of the sliding rail is fixedly connected with the telescopic device (6); the sensor (2) is arranged on the telescopic device (6); the telescopic device comprises a power device (61), and the power device (61) is positioned in the protection box (5).
2. An ultrasonic liquid level detection system according to claim 1, wherein: the telescopic device (6) further comprises a base (62), a screw (63), a nut (64), a push rod (65), a guide sleeve (66), a positioning tube (67) and a control button (68); the base (62) is fixedly connected to the sliding block (4), and the power device (61) is connected to the base (62); a rotating shaft of the power device (61) is connected with a screw (63), and the surface of the screw (63) is provided with threads; the nut (64) is movably connected to the screw rod (63), and the inner surface of the nut is provided with threads meshed with the screw rod threads; one end of the push rod (65) is connected to the nut (64), and the other end of the push rod is provided with a connecting rod (7); the push rod (65) is movably connected with a guide sleeve (66), the guide sleeve (66) is fixedly connected to one end of a positioning tube (67), and the other end of the positioning tube (67) is fixedly connected to the side wall of the protection box (5); the control button (68) is arranged on the side wall of the protective box (5) which is far away from the positioning tube (67).
3. An ultrasonic liquid level detection system according to claim 1, wherein: the sensor (2) further comprises a connecting rod (7), and a shielding device (8) is arranged on the connecting rod (7).
4. An ultrasonic liquid level detection system according to claim 3, wherein: the shielding device (8) is a horn-shaped shell with a small upper part and a large lower part or a cylindrical shell with a cover on the top surface and a non-cover bottom surface.
5. An ultrasonic liquid level detection system according to claim 1, wherein: and a support rod (9) is connected between the slide block (4) and the bottom of the telescopic device (6).
6. An ultrasonic liquid level detection system according to claim 1, wherein: the slide rail (3) is further provided with a mounting plate (10), and mounting holes are formed in the mounting plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799904.XU CN210625803U (en) | 2019-10-24 | 2019-10-24 | Ultrasonic liquid level detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799904.XU CN210625803U (en) | 2019-10-24 | 2019-10-24 | Ultrasonic liquid level detection system |
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| CN210625803U true CN210625803U (en) | 2020-05-26 |
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| CN201921799904.XU Active CN210625803U (en) | 2019-10-24 | 2019-10-24 | Ultrasonic liquid level detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508653A (en) * | 2021-12-29 | 2022-05-17 | 安徽云蒙仪表有限公司 | Outdoor protection architecture of radar level gauge and radar level gauge |
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2019
- 2019-10-24 CN CN201921799904.XU patent/CN210625803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508653A (en) * | 2021-12-29 | 2022-05-17 | 安徽云蒙仪表有限公司 | Outdoor protection architecture of radar level gauge and radar level gauge |
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