CN211927030U - Liquid level switch calibration device - Google Patents
Liquid level switch calibration device Download PDFInfo
- Publication number
- CN211927030U CN211927030U CN202020332256.3U CN202020332256U CN211927030U CN 211927030 U CN211927030 U CN 211927030U CN 202020332256 U CN202020332256 U CN 202020332256U CN 211927030 U CN211927030 U CN 211927030U
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- level switch
- liquid level
- sealed container
- valve
- inflation
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Abstract
The utility model discloses a liquid level switch calibration equipment, including sealed container, sealed container's top is provided with inflation valve and prefill valve, the inflation valve is connected with inflatable component, sealed container's bottom is provided with the connecting valve. The utility model discloses need not to transport the eminence with the calibration device when the calibration, can accomplish the water injection work to the liquid level switch measuring bucket on ground, can realize long-range water injection, the utility model discloses still have easily operation, safe and reliable's advantage.
Description
Technical Field
The utility model relates to a level gauge field particularly, relates to a level switch calibration equipment.
Background
When the liquid level switch is checked in engineering construction and operation maintenance stages, water needs to be injected or drained into the measuring barrel corresponding to the liquid level switch. Because some level gauges higher position or peripheral have other article, need set up the scaffold frame when filling water to measuring bucket, can fill water to measuring bucket behind the eminence with the cask. Sometimes, the water barrel cannot be conveyed to the position near the measuring barrel, and the check work of the liquid level switch is restricted.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a liquid level switch calibration equipment can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the liquid level switch calibration device comprises a sealed container, wherein an inflation valve and a liquid filling valve are arranged at the top of the sealed container, the inflation valve is connected with an inflation assembly, and a connecting valve is arranged at the bottom of the sealed container.
Furthermore, a hose is connected to the connecting valve.
Furthermore, the capacity of the sealed container is larger than the sum of the capacity of the measuring barrel of the liquid level switch to be verified and the capacity of the hose.
Further, the inflation assembly is an inflator.
Further, the sealed container is a sealed plastic barrel.
Further, the inflation valve is a one-way valve.
Furthermore, the sealed container is a transparent container, and the outer surface of the sealed container is provided with volume scales.
The utility model has the advantages that: the utility model discloses need not to transport the eminence with the calibration device when the calibration, can accomplish the water injection work to the liquid level switch measuring bucket on ground, can realize long-range water injection, the utility model discloses still have easily operation, safe and reliable's advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a liquid level switch checking device.
In the figure: 1. the device comprises a sealed container, 2, a liquid filling valve, 3, an inflation valve, 4, a connecting valve and 5, an inflation assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in FIG. 1, according to the embodiment of the present invention, a calibration apparatus for a liquid level switch comprises a sealed container 1, the top of the sealed container 1 is provided with an inflation valve 3 and a liquid filling valve 2, the inflation valve 3 is connected with an inflation assembly 5, and the bottom of the sealed container 1 is provided with a connection valve 4.
In a specific embodiment of the present invention, a hose is connected to the connection valve 4.
In a specific embodiment of the present invention, the volume of the sealed container 1 is greater than the sum of the volume of the calibrated level switch measuring barrel and the volume of the hose.
In one embodiment of the present invention, the inflation assembly 5 is an inflator.
In a specific embodiment of the present invention, the sealed container 1 is a sealed plastic barrel.
In a specific embodiment of the present invention, the inflation valve 3 is a one-way valve.
In a specific embodiment of the present invention, the sealed container 1 is a transparent container, and the outer surface of the sealed container 1 is provided with a volume scale.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses a liquid level switch calibration equipment, the utility model discloses sealed container 1 is sealed plastic drum, and the effect is flourishing water receptacle, and the capacity size can set up according to actual need. The liquid filling valve 2 is a vent valve, and when the liquid level in the liquid level switch measuring barrel needs to be lowered, the valve is opened, so that the water in the liquid level switch measuring barrel can flow back to the sealed container 1 under the action of gravity. The liquid filling valve 2 can be used as a water filling port of the sealed container 1, and the liquid filling valve 2 is arranged at the top of the sealed container 1 and can prevent water from leaking from the liquid filling valve 2. The inflation valve 3 is an airtight core, selects the airtight core of the bicycle for use, so that parts are easy to obtain and low in cost, and the inflation valve 3 is arranged at the top of the sealed container 1 and can prevent water from leaking from the inflation valve 3. When the liquid level in the liquid level switch measuring barrel needs to be increased, the inflation assembly 5 is connected with the inflation valve 3 and then inflated, so that the pressure in the sealed container 1 is increased, and water is injected into the liquid level switch measuring barrel under the action of the pressure. The connecting valve 4 is connected with a hose, can be connected with the liquid level switch measuring barrel through the hose and is used as a water exchange channel of the liquid level switch calibration device and the liquid level switch measuring barrel. The water injection work or the remote water injection can be completed on the ground through the extension of the hose. The connecting valve 4 is arranged at the bottom of the sealed container 1, and can fully utilize the water in the sealed container 1. The inflation assembly 5 is an inflator, optionally a bicycle inflator, so that the parts are easily available and low in cost, and is used for inflating the sealed container 1.
The utility model discloses liquid level switch calibration equipment is at the concrete operating procedure when using:
1) placing the liquid level switch calibration device at a position which is near the calibrated liquid level switch and easy to operate, and enabling the upper surface of the liquid level switch calibration device to be lower than the lowest liquid level height of the calibrated liquid level switch measuring barrel;
2) checking the valve of the connecting valve 4 to make the connecting valve in a closed state;
3) opening a valve of a liquid filling valve 2, and filling water into the sealed container 1 through the liquid filling valve 2, wherein the water filling amount is larger than the sum of the volume of a measuring barrel of a checked liquid level switch and the volume of a connecting hose;
4) the liquid level switch measuring barrel is connected with the connecting valve 4 by using a hose, and the connecting part is tightened by using a stainless steel hose clamp to prevent water leakage;
5) opening a valve of the connecting valve 4 to communicate the liquid level switch measuring barrel with the sealed container 1;
6) and connecting the inflation assembly 5 with the inflation valve 3, inflating the sealed container 1 to increase the pressure in the sealed container 1, and pressing water into the liquid level switch measuring barrel. The inflation is slow, and the liquid level in the liquid level switch measuring barrel is slowly raised by observing the rising condition of the liquid level in the liquid level switch measuring barrel. When the liquid level switch acts, stopping inflating immediately, and recording the liquid level of the liquid level switch measuring barrel at the moment, wherein the liquid level is the action value of the liquid level switch;
7) continuing inflating by using the inflation component 5 to enable the liquid level in the liquid level switch measuring barrel to rise continuously, and stopping inflating when the full range of the liquid level switch measuring barrel is reached;
8) and slowly opening the valve of the liquid charging valve 2 to reduce the pressure in the sealed container 1, wherein the liquid level in the liquid level switch measuring barrel slowly falls, and quickly closing the valve of the liquid charging valve 2 when the liquid level switch acts. Recording the liquid level of the liquid level switch measuring barrel at the moment, wherein the liquid level is a liquid level switch return value;
9) and (5) repeatedly executing the steps from 5) to 7) to finish the calibration work of the liquid level switch.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a liquid level switch calibration equipment, includes sealed container (1), its characterized in that, the top of sealed container (1) is provided with inflation valve (3) and prefill valve (2), inflation valve (3) are connected with inflatable component (5), the bottom of sealed container (1) is provided with connecting valve (4).
2. The level switch calibration device according to claim 1, wherein a hose is connected to the connection valve (4).
3. The level switch calibration device of claim 2, wherein the volume of the sealed container (1) is greater than the sum of the volume of the measurement tank of the calibrated level switch and the volume of the hose.
4. The level switch verifier device of claim 1, wherein the inflation assembly (5) is a pump.
5. The level switch verifying unit of claim 1, characterized in that said sealed container (1) is a sealed plastic tub.
6. The level switch calibration device of claim 1, wherein the inflation valve (3) is a one-way valve.
7. The liquid level switch verifying device as claimed in claim 1, wherein the sealed container (1) is a transparent container, and the outer surface of the sealed container (1) is provided with a volume scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332256.3U CN211927030U (en) | 2020-03-17 | 2020-03-17 | Liquid level switch calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332256.3U CN211927030U (en) | 2020-03-17 | 2020-03-17 | Liquid level switch calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211927030U true CN211927030U (en) | 2020-11-13 |
Family
ID=73354215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020332256.3U Active CN211927030U (en) | 2020-03-17 | 2020-03-17 | Liquid level switch calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211927030U (en) |
-
2020
- 2020-03-17 CN CN202020332256.3U patent/CN211927030U/en active Active
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