CN215177698U

CN215177698U - Absolute elevation level gauge and absolute elevation level gauge system

Info

Publication number: CN215177698U
Application number: CN202120969183.3U
Authority: CN
Inventors: 马娜; 金伟其; 董岚; 李波; 王铜; 门玲鸰
Original assignee: Institute of High Energy Physics of CAS; Beijing Institute of Technology BIT
Current assignee: Institute of High Energy Physics of CAS; Beijing Institute of Technology BIT
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-14
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses an absolute elevation surveyor's level, absolute elevation surveyor's level system belongs to the measurement technology field, and it includes casing and liquid level perception sensor, and liquid level perception sensor sets up in the casing to separate the casing into upper casing and lower casing, the lower casing is used for placing liquid; the upper surface of the upper shell is provided with a reference seat for placing a target ball; the lower shell is provided with an air pipe connector and a water pipe connector. The utility model discloses can monitor the settlement deformation in monitoring area, and can use the liquid level of unifying constantly as the benchmark, need not pass through the elevation transmission, the absolute elevation of each monitoring point position of acquisition that can be at any time, easy operation, the precision is good.

Description

Absolute elevation level gauge and absolute elevation level gauge system

Technical Field

The utility model belongs to the technical field of measure, concretely relates to absolute elevation surveyor's level, absolute elevation surveyor's level system.

Background

The static leveling system is a precise instrument for measuring relative elevation change between two points or among multiple points, and measures the height difference between ground points according to the leveling principle.

The hydrostatic leveling system in the prior art is composed of a plurality of levels, and when the hydrostatic leveling system is used, the measurement point position of each level can only measure the height variation of the point position relative to a datum point position, and after the hydrostatic leveling system is stable, the whole system can form a level surface inside the hydrostatic leveling system, but the liquid level is not led out for calibration, so that the absolute elevation of the top of each pot body cannot be immediately known, and if the elevation value of the point position needs to be obtained, the station transfer measurement is carried out, error accumulation is easy to cause, the workload is high, and the precision is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses following technical scheme has been taken:

the absolute elevation level comprises a shell and a liquid level sensing sensor, wherein the liquid level sensing sensor is arranged in the shell and divides the shell into an upper shell and a lower shell, and the lower shell is used for placing liquid; the upper surface of the upper shell is provided with a reference seat for placing a target ball; the lower shell is provided with an air pipe connector and a water pipe connector.

Further, the reference seat is a conical ball seat.

Furthermore, various standard measurement target balls are placed on the reference seat.

Further, the air pipe connector is arranged at the upper end of the lower shell, and the water pipe connector is arranged at the lower end of the lower shell.

Furthermore, the number of the air pipe connectors is 2, and the air pipe connectors are respectively arranged on two sides of the lower shell; the quantity of water pipe connector is 2, with trachea interface corresponds the setting.

Furthermore, a temperature sensor mounting hole is formed in the lower shell; a circuit board is arranged in the upper shell, and wiring holes are formed in the side wall of the upper shell.

An absolute elevation level system comprising at least 2 absolute elevation levels of any of the preceding in series.

Has the advantages that:

the utility model provides an absolute elevation surveyor's level, absolute elevation surveyor's level system through relevant design and demarcation, draws forth the liquid level, can monitor monitoring area's settlement deformation, and can use the liquid level of unifying constantly as the benchmark, need not pass through the elevation transmission, the absolute elevation of each monitoring point position of acquisition that can be at any time, easy operation, the precision is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention (based on the center of the standard measuring target ball)

FIG. 2 is an absolute elevation leveling system comprising a plurality of absolute elevation levels of the present invention

FIG. 3 is a schematic diagram of the overall structure of the present invention (based on the top of the standard measuring target ball)

Wherein, 1, an upper shell; 2. a target ball; 3. a reference base; 4. a circuit board; 5. a temperature sensor wiring; 6. a liquid level sensor; 7. a tracheal tube interface; 8. a water pipe connector; 9. a liquid; 10. a temperature sensor mounting hole; 11. a lower housing; 12. a data line; 13. the liquid level after the system is stabilized.

Detailed Description

Example 1

The absolute elevation level (as shown in figure 1) comprises a shell and a liquid level sensor 6, wherein the liquid level sensor 6 is arranged in the shell and divides the shell into an upper shell 1 and a lower shell 11, and the lower shell 11 is used for placing liquid 9; the upper surface of the upper shell 1 is provided with a reference seat 3 for placing a target ball 2; the lower housing 11 has an air pipe connection 7 and a water pipe connection 8.

In this embodiment, the reference seat 3 is a conical ball seat, wherein various standard measurement target balls 2 can be placed on the reference seat 3.

In the present embodiment, the air pipe connection 7 is provided at the upper end of the lower case 11, and the water pipe connection 8 is provided at the lower end of the lower case 11.

Wherein, the number of the air pipe interfaces 7 is 2, and the air pipe interfaces are respectively arranged at two sides of the lower shell 11; the number of the water pipe interfaces 8 is 2, and the water pipe interfaces are arranged corresponding to the air pipe interfaces 7.

In the present embodiment, the lower case 11 is provided with a temperature sensor mounting hole 10; go up and be provided with circuit board 4 in the casing 1, be provided with the wiring hole on the lateral wall, be used for wearing to establish temperature sensor wiring 5 and data line 12 in the wiring hole, temperature sensor wiring 5, data line 12, liquid level perception sensor 6 all are connected with circuit board 4 electricity.

Example 2

In this embodiment, a plurality of absolute elevation levels provided in embodiment 1 are placed at monitoring points and sequentially connected in series to form an absolute elevation level system (as shown in fig. 2), and after the liquid level is stabilized, the absolute elevation of each monitoring point can be obtained. Wherein, the air pipe interface 7 and the water pipe interface 8 on one absolute elevation level are respectively connected with the air pipe interface 7 and the water pipe interface 8 on the other absolute elevation level through an air connecting pipe and a liquid 9 connecting air pipe.

Example 3

A method of using an absolute elevation level system, using the absolute elevation level system provided in example 2, the method comprising the steps of:

s10, calibrating each absolute elevation level;

the method for calibrating each absolute elevation level comprises the following steps:

s11, leveling the absolute elevation level;

s12, adding liquid 9 in the range of the liquid level perception sensor 6 into the lower shell 11, accurately calibrating the distance MD between the liquid level in the lower shell 11 and the sphere center of the target ball 2 on the external reference surface of the upper shell 1, and simultaneously obtaining the height M of the liquid level in the lower shell 11 through the liquid level perception sensor 6, wherein the distance D between the zero position of the liquid level perception sensor 6 and the sphere center of the target ball 2 at the top is MD-M (as shown in figure 1);

or

Accurately calibrating the distance MD between the liquid level in the lower shell 11 and the top of the target ball 2 on the external reference surface of the upper shell 1, and simultaneously obtaining the height M of the liquid level in the lower shell through the liquid level sensor 6, wherein the distance D between the zero position of the liquid level sensor 6 and the top of the target ball 2 is MD-M (as shown in figure 3);

wherein D is the absolute calibration value of each absolute elevation level.

And S20, sequentially connecting the absolute elevation levels in series, and obtaining the absolute elevation of each monitoring point after the liquid level is stable.

In this embodiment, the method for obtaining the absolute elevation of each monitoring point includes: if the liquid level 13 after the system liquid level is stabilized at the moment k is a leveling surface, H is the absolute elevation of each absolute elevation leveling instrument, namely the sum of the sensor reading Mi _ k of the ith absolute elevation leveling instrument at the moment k and the absolute calibration value Di of the absolute elevation leveling instrument, and the absolute elevation of the monitoring point position at the point is as follows: hi _ k is Mi _ k + Di.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The absolute elevation level gauge is characterized by comprising a shell and a liquid level sensing sensor, wherein the liquid level sensing sensor is arranged in the shell and divides the shell into an upper shell and a lower shell, and the lower shell is used for placing liquid; the upper surface of the upper shell is provided with a reference seat for placing a target ball; the lower shell is provided with an air pipe connector and a water pipe connector.

2. The absolute elevation level of claim 1 wherein the reference block is a tapered ball block.

3. The absolute elevation level of claim 2, wherein each type of standard measurement target ball is positioned on the reference nest.

4. The absolute elevation level of claim 1 wherein the air pipe connection is disposed at an upper end of the lower housing and the water pipe connection is disposed at a lower end of the lower housing.

5. The absolute elevation level of claim 4, wherein the number of air tube ports is 2, one on each side of the lower housing; the quantity of water pipe connector is 2, with trachea interface corresponds the setting.

6. The absolute elevation level of claim 1 wherein the lower housing has a temperature sensor mounting hole disposed therein; a circuit board is arranged in the upper shell, and wiring holes are formed in the side wall of the upper shell.

7. An absolute elevation level system comprising at least 2 absolute elevation levels according to any one of claims 1 to 6 connected in series.