CN-224216135-U - Laser liquid level measuring circuit and equipment

CN224216135UCN 224216135 UCN224216135 UCN 224216135UCN-224216135-U

Abstract

The application discloses a laser liquid level measuring circuit and equipment, which relate to the technical field of liquid level measurement and are arranged at the top part in a sealed liquid box body; the device comprises a first measuring unit, a second measuring unit, a liquid level measuring control unit and a sealing liquid box body, wherein the first measuring unit is obliquely attached to a first position of the top, a power end is connected with an environment monitoring unit, the second measuring unit is obliquely attached to a second position of the top, the power end is connected with the environment monitoring unit, the second position is a symmetrical position of the first position, and the liquid level measuring control unit is connected with the environment monitoring unit, a control end of the first measuring unit and a control end of the second measuring unit and used for collecting and controlling the first measuring unit to emit laser until the second measuring unit receives the interval time of the laser, or collecting and controlling the second measuring unit to emit the laser until the interval time of the first measuring unit receives the laser so as to determine the liquid level of the sealing liquid box body. The application improves the functionality of the liquid level measurement.

Inventors

LIU XIAOYA
LUO TIEGENG
YANG ZHENNAN
LUO KAIYUN

Assignees

长沙八思量信息技术有限公司

Dates

Publication Date: 20260508
Application Date: 20250718

Claims (10)

1. A laser level measurement circuit, characterized in that the laser level measurement circuit is disposed at the top in a sealed liquid tank, the laser level measurement circuit comprising: the environment monitoring unit is arranged in the middle of the top of the sealed liquid box body; The first measuring unit is obliquely attached to a first position at the top in the sealed liquid box body, and a power end of the first measuring unit is connected with the environment monitoring unit; the second measuring unit is obliquely attached to a second position at the top in the sealed liquid box body, and the power end of the second measuring unit is connected with the environment monitoring unit, wherein the second position is a symmetrical position of the first position; the liquid level measurement control unit is connected with the environment monitoring unit, the control end of the first measurement unit and the control end of the second measurement unit, and is used for collecting and controlling the interval duration of the first measurement unit to emit laser until the second measurement unit receives the laser, or collecting and controlling the interval duration of the second measurement unit to emit laser until the first measurement unit receives the laser, so as to determine the liquid level of the sealed liquid tank body based on the interval duration.
2. The laser level measurement circuit of claim 1, wherein the environmental monitoring unit comprises: A concentration detector provided at an intermediate position of the top in the sealed liquid tank, the concentration detector being configured to output a high level when a concentration value is greater than a preset concentration threshold value, and to output a low level when the concentration value is less than or equal to the preset concentration threshold value; The control end of the voltage selector is connected with the concentration detector, the first input end of the voltage selector is connected with a first voltage source, the second input end of the voltage selector is connected with a second voltage source, and the output end of the voltage selector is connected with the power end of the first measuring unit and the power end of the second measuring unit.
3. The laser level measurement circuit of claim 1, wherein the first location of the top portion within the sealed liquid tank includes a first transmit location and a first receive location, the first measurement unit comprising: The first laser is movably attached to the first emission position, a power end of the first laser is connected with a voltage selector in the environment monitoring unit, wherein the movable attachment comprises that the middle position of the first laser is obliquely fixed to the first emission position, and the first laser can move up and down; The first direction adjusting subunit is mechanically connected with the movable control end of the first laser, and the control end of the first direction adjusting subunit is connected with the liquid level measurement control unit; The first photosensitive element is movably attached to the first receiving position, the movable control end of the first photosensitive element is mechanically connected with the second adjusting end of the first direction adjusting subunit, and the output end of the first photosensitive element is connected with the liquid level measurement control unit.
4. The laser level measurement circuit of claim 3, wherein the second location of the top portion within the sealed liquid tank includes a second emission location and a second receiving location, wherein the second emission location is a symmetrical location of the second receiving location, the first emission location is a symmetrical location of the first receiving location, the second measurement unit comprising: The second laser is movably attached to the second emission position, a power end of the second laser is connected with a voltage selector in the environment monitoring unit, wherein the movable attachment comprises that the middle position of the second laser is obliquely fixed at the second emission position, and the second laser can move up and down; the first adjusting end of the second direction adjusting subunit is mechanically connected with the movable control end of the second laser, and the control end of the second direction adjusting subunit is connected with the liquid level measurement control unit; The second photosensitive element is movably attached to the second receiving position, the movable control end of the second photosensitive element is mechanically connected with the second adjusting end of the second direction adjusting subunit, and the output end of the second photosensitive element is connected with the liquid level measurement control unit.
5. The laser level measurement circuit of claim 4, wherein the first direction adjustment subunit comprises: The first fixed gear is fixed at the movable control end of the first laser, and the control end of the first fixed gear is connected with the liquid level measurement control unit; The second fixed gear is fixed at the movable control end of the first photosensitive element, and the control end of the second fixed gear is connected with the liquid level measurement control unit; the second direction adjustment subunit includes: the third fixed gear is fixed at the movable control end of the second laser, and the control end of the third fixed gear is connected with the liquid level measurement control unit; The fourth fixed gear is fixed at the movable control end of the second photosensitive element, and the control end of the fourth fixed gear is connected with the liquid level measurement control unit.
6. The laser level measurement circuit of claim 5, wherein the level measurement control unit comprises: The measuring controller comprises a first steering control end and a second steering control end; The output end of the first synchronous motor is connected with the control end of the first fixed gear, and the control end of the first synchronous motor is connected with the first steering control end; The output end of the second synchronous motor is connected with the control end of the second fixed gear, and the control end of the second synchronous motor is connected with the second steering control end; the output end of the third synchronous motor is connected with the control end of the third fixed gear, and the control end of the third synchronous motor is connected with the first steering control end; And the output end of the fourth synchronous motor is connected with the control end of the fourth fixed gear, and the control end of the fourth synchronous motor is connected with the second steering control end.
7. The laser level measurement circuit of claim 6, wherein the measurement controller further comprises an operation control terminal, the level measurement control unit comprising: the control end of the mode selector is connected with the working control end, the input end of the mode selector is connected with the voltage selector in the environment monitoring unit, the first output end of the mode selector is connected with the power end of the first laser, and the second output end of the mode selector is connected with the power end of the second laser.
8. The laser level measurement circuit of any one of claims 1 to 7, wherein the level measurement control unit comprises: And the flight timer is connected with the measurement controller in the liquid level measurement control unit and is used for determining the interval duration.
9. A laser level measurement device, characterized in that it comprises a laser level measurement circuit according to any one of claims 1 to 8.
10. The laser level measurement device of claim 9, wherein the laser level measurement device comprises: The first packaging box is used for packaging a first measuring unit in the laser liquid level measuring circuit, a first laser in the first measuring unit is arranged at a first opening of the first packaging box, a first photosensitive element in the first measuring unit is arranged at a second opening of the first packaging box, the first opening is an inclined opening, and a first arc-shaped protection structure is arranged on the lower side edge of the first opening; The second packaging box is used for packaging a second measuring unit in the laser liquid level measuring circuit, a second laser in the second measuring unit is arranged at a third opening of the second packaging box, a second photosensitive element in the second measuring unit is arranged at a fourth opening of the second packaging box, the third opening is an oblique opening, a second arc-shaped protection structure is arranged on the lower side edge of the third opening, and a liquid level measuring control unit in the laser liquid level measuring circuit is arranged in the first packaging box and the second packaging box separately.

Description

Laser liquid level measuring circuit and equipment Technical Field The application relates to the technical field of liquid level measurement, in particular to a laser liquid level measurement circuit and device. Background Along with the increase of the demands of different fields for liquid level measurement, users also put forward higher demands on the liquid level measurement mode in the sealed liquid tank. The traditional liquid level measurement mode in the sealed liquid box body directly uses a sensor to measure the liquid level, namely, when the liquid level exceeds the liquid level set by the sensor, the alarm is given, the liquid level measurement mode has great defects, the phenomenon that the sensor only measures the exceeding self-defined liquid level (namely, only knows whether the liquid exceeds the self-defined liquid level but cannot specify the actual value of the liquid level) exists, namely, the liquid level measurement mode can only measure the exceeding self-defined liquid level due to the fact that the sensor measures the exceeding self-defined liquid level, and then the liquid level measurement functionality is not high. The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present application and is not intended to represent an admission that the foregoing is prior art. Disclosure of utility model The application mainly aims to provide a laser liquid level measurement circuit and equipment, and aims to solve the technical problem of low liquid level measurement functionality. To achieve the above object, the present application provides a laser liquid level measurement circuit provided at a top portion inside a sealed liquid tank, the laser liquid level measurement circuit comprising: the environment monitoring unit is arranged in the middle of the top of the sealed liquid box body; The first measuring unit is obliquely attached to a first position at the top in the sealed liquid box body, and a power end of the first measuring unit is connected with the environment monitoring unit; the second measuring unit is obliquely attached to a second position at the top in the sealed liquid box body, and the power end of the second measuring unit is connected with the environment monitoring unit, wherein the second position is a symmetrical position of the first position; the liquid level measurement control unit is connected with the environment monitoring unit, the control end of the first measurement unit and the control end of the second measurement unit, and is used for collecting and controlling the interval duration of the first measurement unit to emit laser until the second measurement unit receives the laser, or collecting and controlling the interval duration of the second measurement unit to emit laser until the first measurement unit receives the laser, so as to determine the liquid level of the sealed liquid tank body based on the interval duration. In an embodiment, the environment monitoring unit comprises: A concentration detector provided at an intermediate position of the top in the sealed liquid tank, the concentration detector being configured to output a high level when a concentration value is greater than a preset concentration threshold value, and to output a low level when the concentration value is less than or equal to the preset concentration threshold value; The control end of the voltage selector is connected with the concentration detector, the first input end of the voltage selector is connected with a first voltage source, the second input end of the voltage selector is connected with a second voltage source, and the output end of the voltage selector is connected with the power end of the first measuring unit and the power end of the second measuring unit. In an embodiment, the first position of the top inside the sealed liquid tank comprises a first transmitting position and a first receiving position, the first measuring unit comprises: The first laser is movably attached to the first emission position, a power end of the first laser is connected with a voltage selector in the environment monitoring unit, wherein the movable attachment comprises that the middle position of the first laser is obliquely fixed to the first emission position, and the first laser can move up and down; The first direction adjusting subunit is mechanically connected with the movable control end of the first laser, and the control end of the first direction adjusting subunit is connected with the liquid level measurement control unit; The first photosensitive element is movably attached to the first receiving position, the movable control end of the first photosensitive element is mechanically connected with the second adjusting end of the first direction adjusting subunit, and the output end of the first photosensitive element is connected with the liquid level measurement control unit. In an embodiment, the second posit