CN206648718U - A kind of liquid-level switch calibration equipment - Google Patents
A kind of liquid-level switch calibration equipment Download PDFInfo
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- CN206648718U CN206648718U CN201720324330.5U CN201720324330U CN206648718U CN 206648718 U CN206648718 U CN 206648718U CN 201720324330 U CN201720324330 U CN 201720324330U CN 206648718 U CN206648718 U CN 206648718U
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- flexible pipe
- liquid
- level switch
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- level
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Abstract
It the utility model is related to a kind of liquid-level switch calibration equipment, the device includes water injection container, flexible pipe, level control valve and the universal meter for measuring liquid-level switch output end signal, described flexible pipe includes being respectively perpendicular and horizontally disposed vertical flexible pipe and horizontal hose, described water injection container is arranged at the top of vertical flexible pipe, vertical flexible pipe bottom connection horizontal hose one end, horizontal hose the other end connects level control valve, passes through another vertical branch's flexible pipe connection liquid-level switch in the middle part of described horizontal hose；Injected by water injection container into vertical flexible pipe, according to law of connected vessels, vertical branch's flexible pipe water level rises and flushed with water level in vertical flexible pipe, height of water level in controlling water level control valve opening regulation vertical branch flexible pipe, universal meter measurement liquid-level switch output end signal confirm whether liquid-level switch is good.Compared with prior art, the utility model is simple in construction, low manufacture cost, can Reusability.
Description
Technical field
A kind of calibration equipment is the utility model is related to, more particularly, to a kind of liquid-level switch calibration equipment.
Background technology
Large-scale water pot is installed, the large-scale water pot is used to store water, is on the one hand the normal operation of nuclear power station in nuclear power station
Offer water, on the other hand provided when accident occurs in nuclear power station and promptly use water, so large-scale water pot is most important.To large-scale
During water level in water pot is controlled, liquid-level switch is most important, so to be verified to liquid-level switch, to avoid
Liquid-level switch breaks down and causes the control to water level in large-scale water pot exception occur.Liquid-level switch mounting means is weldering at present
It is connected on pipeline, scene dismounting is inconvenient and does not have dedicated calibration apparatus.
Utility model content
The purpose of this utility model is exactly to provide a kind of liquid-level switch the defects of overcoming above-mentioned prior art to exist
Calibration equipment.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of liquid-level switch calibration equipment, the device include water injection container, flexible pipe, level control valve and for measuring liquid
The universal meter of bit switch output end signal, described flexible pipe are soft with horizontally disposed vertical flexible pipe and level including being respectively perpendicular
Pipe, described water injection container are arranged at the top of vertical flexible pipe, and vertical flexible pipe bottom connects horizontal hose one end, and horizontal hose is another
One end connects level control valve, passes through another vertical branch's flexible pipe connection liquid-level switch in the middle part of described horizontal hose.
Described water injection container is funnel.
Described vertical flexible pipe, horizontal hose and vertical branch's flexible pipe is transparent hose.
Described level control valve is needle valve.
Three-way connection, described three-way connection connection vertical branch flexible pipe are set in the middle part of described horizontal hose.
Liquid-level switch output end is also associated with liquid-level switch action indicating circuit, described liquid-level switch action indicating circuit
Including single-chip microcomputer and buzzer, described liquid-level switch output end and buzzer are all connected with single-chip microcomputer.
Compared with prior art, the utility model has the following advantages that：
(1) the utility model sets vertical flexible pipe, horizontal hose and vertical branch's flexible pipe, using law of connected vessels to hanging down
Inject, liquid-level switch is verified without the water route for changing original, calibration equipment is simple and easy in straight branching hose；
(2) the utility model sets transparent hose conveniently to observe liquid level, so as to convenient verification；
(3) the utility model sets needle valve as level control valve, degree of regulation height, by the aperture for adjusting needle valve
So as to realize the accurate adjustment of water level in vertical branch's flexible pipe, so as to be entered by repeatedly measuring to the action sensitivity of liquid-level switch
Row measurement；
(4) the utility model sets liquid-level switch to act indicating circuit, and single-chip microcomputer detects that liquid-level switch output end exports
After action signal, single-chip microcomputer control buzzer work, so as to be alarmed when liquid-level switch acts by buzzer, Ke Yi
Verifying work can be realized by not needing another verification personnel to carry out observation to universal meter when verifying personal observations' height of water level,
Improve operating efficiency；
(5) the utility model device be lightly easy to carry, low manufacture cost, can Reusability.
Brief description of the drawings
Fig. 1 is the structured flowchart under the utility model liquid-level switch calibration equipment working condition.
In figure, 1 is funnel, and 2 be vertical flexible pipe, and 3 be horizontal hose, and 4 be needle valve, and 5 be vertical branch's flexible pipe, and 6 be liquid
Bit switch, 7 be three-way connection, and 8 be crossover sub, and 9 be water joint.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, a kind of liquid-level switch calibration equipment, the device include water injection container, flexible pipe, level control valve and
For measuring the universal meter of the output end signal of liquid-level switch 6, flexible pipe includes being respectively perpendicular and horizontally disposed vertical flexible pipe 2 and water
Flat flexible pipe 3, water injection container are arranged on the vertical top of flexible pipe 2, and the vertical bottom of flexible pipe 2 connects the one end of horizontal hose 3, horizontal hose
3 the other end connect level control valve, and the middle part of horizontal hose 3 connects liquid-level switch 6 by another vertical branch's flexible pipe 5；Pass through
Water injection container is injected into vertical flexible pipe 2, according to law of connected vessels, the water level of vertical branch's flexible pipe 5 rise and with vertical flexible pipe 2
Water level flushes, the height of water level in controlling water level control valve opening regulation vertical branch flexible pipe 5, universal meter measurement liquid-level switch 6
Output end signal confirms whether liquid-level switch 6 is good.
Wherein, water injection container is funnel 1, and the material of funnel 1 is PVC-U, upper-end inner diameter 200mm, bottom diameter 12mm, is leaked
1 water filling that struggles against is convenient and effectively water can be avoided to spill Lou.
Vertical flexible pipe 2, horizontal hose 3 and vertical branch's flexible pipe 5 are transparent hose, and flexible pipe is that internal diameter is 14mm, are used
Transparent hose conveniently observes water level height.
Level control valve is needle valve 4, and needle valve 4 is DN10 stainless steels needle valve 4, for adjusting water in liquid-level switch 6
Position.
The middle part of horizontal hose 3 sets three-way connection 7, and three-way connection 7 connects vertical branch's flexible pipe 5, and three-way connection 7 is wherein
Both ends are used to connect horizontal hose 3, and the 3rd output end of three-way connection 7 connects a crossover sub 8, the one end of crossover sub 8
Provided with internal thread, one end is straight tube, and crossover sub 8 is provided with internal thread one end connection three-way connection 7, and the straight tube end of crossover sub 8 leads to
Cross water joint 9 and connect liquid-level switch 6.
The output end of liquid-level switch 6 is also associated with liquid-level switch action indicating circuit, and liquid-level switch action indicating circuit includes
Single-chip microcomputer and buzzer, the output end of liquid-level switch 6 and buzzer are all connected with single-chip microcomputer；Single-chip microcomputer detects that liquid-level switch 6 exports
After holding output action signal, single-chip microcomputer control buzzer work.
Measure switch liquid-level switch 6 to the water filling of liquid-level switch 6 by funnel 1 using law of connected vessels with universal meter and export
The output signal at end obtains the break-make situation of liquid-level switch 6, and being repeated several times can complete to switch verifying work.
The device can complete verification by 2 verification workers, and a people is responsible for water filling and observes water position status, and another people bears
Duty measures the output signal of liquid-level switch 6 with universal meter.When only 1, which verifies worker, is verified, moved by liquid-level switch
Make indicating circuit to be alarmed by buzzer when liquid-level switch 6 acts, so as in verification personal observations' height of water level
When do not need another verification personnel to carry out universal meter observation can to realize verifying work, improve operating efficiency.
Claims (6)
- A kind of 1. liquid-level switch calibration equipment, it is characterised in that the device include water injection container, flexible pipe, level control valve and For measuring the universal meter of liquid-level switch (6) output end signal, described flexible pipe include being respectively perpendicular with it is horizontally disposed vertical Flexible pipe (2) and horizontal hose (3), described water injection container are arranged at the top of vertical flexible pipe (2), vertical flexible pipe (2) bottom connection Horizontal hose (3) one end, horizontal hose (3) the other end connection level control valve, described horizontal hose (3) middle part passes through Another vertical branch's flexible pipe (5) connection liquid-level switch (6).
- 2. a kind of liquid-level switch calibration equipment according to claim 1, it is characterised in that described water injection container is funnel (1)。
- 3. a kind of liquid-level switch calibration equipment according to claim 1, it is characterised in that described vertical flexible pipe (2), water Flat flexible pipe (3) and vertical branch's flexible pipe (5) are transparent hose.
- 4. a kind of liquid-level switch calibration equipment according to claim 1, it is characterised in that described level control valve is pin Type valve (4).
- 5. a kind of liquid-level switch calibration equipment according to claim 1, it is characterised in that in described horizontal hose (3) Portion sets three-way connection (7), described three-way connection (7) connection vertical branch's flexible pipe (5).
- 6. a kind of liquid-level switch calibration equipment according to claim 1, it is characterised in that liquid-level switch (6) output end is also Liquid-level switch action indicating circuit is connected with, described liquid-level switch action indicating circuit includes single-chip microcomputer and buzzer, described Liquid-level switch (6) output end and buzzer be all connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324330.5U CN206648718U (en) | 2017-03-30 | 2017-03-30 | A kind of liquid-level switch calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720324330.5U CN206648718U (en) | 2017-03-30 | 2017-03-30 | A kind of liquid-level switch calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206648718U true CN206648718U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720324330.5U Active CN206648718U (en) | 2017-03-30 | 2017-03-30 | A kind of liquid-level switch calibration equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595581A (en) * | 2019-09-04 | 2019-12-20 | 格力电器（武汉）有限公司 | Automatic detection device and method for liquid level switch |
-
2017
- 2017-03-30 CN CN201720324330.5U patent/CN206648718U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595581A (en) * | 2019-09-04 | 2019-12-20 | 格力电器（武汉）有限公司 | Automatic detection device and method for liquid level switch |
| CN110595581B (en) * | 2019-09-04 | 2021-01-22 | 格力电器（武汉）有限公司 | Automatic detection device and method for liquid level switch |
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