CN105869360A - Oil drum low liquid level alarming device - Google Patents
Oil drum low liquid level alarming device Download PDFInfo
- Publication number
- CN105869360A CN105869360A CN201610370111.0A CN201610370111A CN105869360A CN 105869360 A CN105869360 A CN 105869360A CN 201610370111 A CN201610370111 A CN 201610370111A CN 105869360 A CN105869360 A CN 105869360A
- Authority
- CN
- China
- Prior art keywords
- liquid level
- oil drum
- low liquid
- probe
- inductive switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
- G01F23/68—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using electrically actuated indicating means
Abstract
The invention discloses an oil drum low liquid level alarming device which comprises a suspension airbag, a balance weight, an alarming device body, an inductive switch and a probe. The suspension airbag is shaped like a long-edge vertical ellipsoid, the balance weight is arranged at the bottom of the suspension airbag, the center of the balance weight is provided with a sliding cavity, the bottom of the suspension airbag is provided with a sliding cavity opening, the probe is installed in the sliding cavity, a plug is arranged at the sliding cavity opening formed in the bottom of the sliding cavity, and the inductive switch is arranged at the top of the sliding cavity. According to the oil drum low liquid level alarming device, the structure is simple, and durability is achieved; by arranging the suspension airbag and the balance weight, the device can vertically float on the liquid level; when the liquid level declined to the bottom, the probe can gradually approach to the inductive switch and finally trigger the inductive switch to give out an alarming signal in time, low liquid level pre-alarming is achieved, use is convenient, and detection is accurate.
Description
Technical field
The present invention relates to technology of instrument and meter field, particularly relate to a kind of low liquid level alarm device of oil drum.
Background technology
In industrial processes, it is often necessary to detect the liquid level in container, particularly transformer station is daily
In maintenance process, it is often necessary to transformer is carried out repairing.Oil pump need to be used during repairing to be taken out from oil drum by oil
To transformer.Oil is required the highest by transformer running, it is impossible to there is impurity, for ensureing oil
The impurity of bottom of the barrel is not drawn in transformer, and when repairing, the oil bottom each oil drum can not extract.But
Owing to oil drum oil-out is less, the transparency of transformer oil is the highest, it is difficult to be observed oil level in oil drum.
Existing method is to estimate by rocking oil drum, but the method can cause impurity to be stirred, and needs after rocking
Treating that contamination precipitation carries out the extraction of transformer oil again, efficiency is low, and error is big, is also easy to cause transformer oil
Waste.Prior art is not also for the level monitoring device of oil drum.
Summary of the invention
The present invention is directed to prior art and liquid level in oil drum can not be carried out the problem of low liquid level warning, develop one
The low liquid level alarm device of oil drum, this device is easy to use, and detection is accurately, it is possible to send alarm signal timely,
Cut off pumping operation, it is to avoid be drawn into the transformer oil of impurity.
The present invention solves the technical scheme of technical problem: a kind of low liquid level alarm device of oil drum, including suspending
Air bag, counterweight, warning device, inductive switch, probe, suspension air bag is the elliposoidal that long limit is vertical, joins
Heavily be arranged on the bottom of suspension air bag, counterweight be provided centrally with smooth bore, be provided with smooth bore bottom suspension air bag
Opening, probe is arranged in smooth bore, and the smooth bore aperture position bottom smooth bore is provided with plug, the top of smooth bore
It is provided with inductive switch.
Described warning device is arranged on the top of suspension inside air bag, counterweight, and inductive switch is arranged on warning dress
On the electric power loop put.When probe touching or during close to inductive switch, inductive switch closes, warning device
Electric power loop turns on, and warning device sends alarm signal.
Described low liquid level alarm device also includes controller, and the signal output part of inductive switch connects controller,
The signal output part of controller connects control end, the control end of oil well pump of warning device.When probe trigger sense
During inductive switch, inductive switch sends signal to controller, controller control warning device send alarm signal,
Oil well pump quits work.
The top of described suspension air bag is provided with rope link, is provided with rope in rope link.
Described inductive switch is any one in contact type mechanical switch, proximity switch, infrared sensing switch.
The bottom of described probe is provided with tip.
The bottom of described probe arranges a sloped footing, and the bottom surface of taper is down.
Described probe includes expansion link, telescopic, jackscrew, and telescopic is enclosed within expansion link, the side of telescopic
Face is provided with jackscrew.
It is provided with scale on described expansion link.
Described warning device is audible-visual annunciator.
Beneficial effects of the present invention:
1. present configuration is simple, durable, and by arranging suspension air bag, counterweight, it is vertical to enable devices to
Floating on liquid level, when liquid level drops to bottom, probe can move closer to inductive switch and finally trigger sense
Inductive switch, sends alarm signal timely, it is achieved the early warning of low liquid level, easy to use, and detection is accurately.
2., by arranging controller, directly control oil well pump when liquid level is too low and stop, it is to avoid personnel's carelessness,
The accident that oil well pump causes can not be stopped in time.
3. by arranging rope, the free end of rope is arranged on outside oil drum, facilitates the taking-up of device.
4., by the bottom of probe is set to tip, when having hard thing bottom oil drum, probe can slide past hard thing
Until bottom oil drum, it is to avoid misoperation causes the waste of transformer oil.
5. sloped footing is set by the bottom at probe, bottom oil drum, has a large amount of cotton-shaped impurity or consistent lubricant mud
Time, probe can rest on impurity top, it is to avoid by impurity suction transformer.
6., by the form being set to stretch by probe, the length of probe can be adjusted according to actual conditions, increase
The range of application of device.
7., by arranging scale on expansion link, the probe length under this use environment can be learnt, after record under
Secondary directly adjust to this length, it is to avoid repeat to test the time waste caused.
8. by being set to audible-visual annunciator, sound can be simultaneously emitted by, light is reported to the police, it is to avoid at mixed and disorderly environment
In can not find alarm signal in time.
Accompanying drawing explanation
Fig. 1 is the sectional view under the first embodiment high level state of the present invention.
Fig. 2 is the sectional view under the present invention low fluid level condition of the first embodiment.
Fig. 3 is the sectional view under the low fluid level condition of the second embodiment of the present invention.
Fig. 4 is the partial enlarged drawing in Fig. 3 K region.
Fig. 5 is the sectional view under the third embodiment high level state of the present invention.
Detailed description of the invention
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with the accompanying drawings.
Fig. 1, Fig. 2 are the first embodiment of the present invention, as it can be seen, a kind of low liquid level alarm device of oil drum,
Including suspension air bag 1, counterweight 2, warning device 3, inductive switch 4, probe 5, suspension air bag 1 is long limit
Vertical elliposoidal, counterweight 2 is arranged on the bottom of suspension air bag 1, counterweight 2 be provided centrally with smooth bore 201,
Being provided with smooth bore opening bottom suspension air bag 1, probe 5 is arranged in smooth bore 201, bottom smooth bore 201
Smooth bore aperture position is provided with plug 8, and the top of smooth bore 201 is provided with inductive switch 4.By arranging suspension
Air bag 1, counterweight 2, enable devices to vertical float on liquid level, when liquid level drops to bottom, and probe 5
Inductive switch 4 can be moved closer to and finally trigger inductive switch 4, sending alarm signal timely, it is achieved low
The early warning of liquid level, easy to use, detection is accurately.Described warning device 3 be arranged on suspension air bag 1 internal,
The top of counterweight 2, inductive switch 4 is arranged on the electric power loop of warning device 3.Touch when probe 5 or
During close to inductive switch 4, inductive switch 4 closes, the electric power loop conducting of warning device 3, warning device 3
Send alarm signal.The top of described suspension air bag 1 is provided with rope link 6, is provided with in rope link 6
Rope 7.By arranging rope 7, the free end of rope 7 is arranged on outside oil drum, facilitates the taking-up of device.
Described inductive switch 4 switchs for contact type mechanical.The bottom of described probe 5 is provided with tip.By visiting
The bottom of pin 5 is set to tip, and when having hard thing bottom oil drum, probe 5 can slide past hard thing until at the bottom of oil drum
Portion, it is to avoid misoperation causes the waste of transformer oil.Described warning device 3 is audible-visual annunciator.By setting
It is set to audible-visual annunciator, sound can be simultaneously emitted by, light is reported to the police, it is to avoid can not send out in time in mixed and disorderly environment
Existing alarm signal.
Fig. 3, Fig. 4 are the second embodiment of the present invention, as it can be seen, a kind of low liquid level alarm device of oil drum,
Including suspension air bag 1, counterweight 2, warning device 3, inductive switch 4, probe 5, suspension air bag 1 is long limit
Vertical elliposoidal, counterweight 2 is arranged on the bottom of suspension air bag 1, counterweight 2 be provided centrally with smooth bore 201,
Being provided with smooth bore opening bottom suspension air bag 1, probe 5 is arranged in smooth bore 201, bottom smooth bore 201
Smooth bore aperture position is provided with plug 8, and the top of smooth bore 201 is provided with inductive switch 4.Described warning device
3 are arranged on suspension air bag 1 inside, the top of counterweight 2, and inductive switch 4 is arranged on the power supply of warning device 3
On loop.When probe 5 is touched or during close to inductive switch 4, and inductive switch 4 closes, warning device 3
Electric power loop turns on, and warning device 3 sends alarm signal.The top of described suspension air bag 1 is provided with rope
Link 6, is provided with rope 7 in rope link 6.By arranging rope 7, the free end of rope 7 is arranged
Outside oil drum, facilitate the taking-up of device.Described inductive switch 4 switchs for contact type mechanical.Described probe 5
Bottom one sloped footing 501 is set, the bottom surface of taper is down.By arranging conical bottom in the bottom of probe 5
Seat 501, when having a large amount of cotton-shaped impurity or consistent lubricant mud bottom oil drum, probe 5 can rest on impurity top,
Avoid impurity suction transformer.Described warning device 3 is audible-visual annunciator.By being set to acousto-optic report
Alert device, can be simultaneously emitted by sound, light is reported to the police, it is to avoid can not find alarm signal in mixed and disorderly environment in time.
Fig. 5 is the third embodiment of the present invention, as it can be seen, a kind of low liquid level alarm device of oil drum, bag
Including suspension air bag 1, counterweight 2, warning device 3, inductive switch 4, probe 5, suspension air bag 1 is that long limit is erected
Straight elliposoidal, counterweight 2 is arranged on the bottom of suspension air bag 1, counterweight 2 be provided centrally with smooth bore 201,
Being provided with smooth bore opening bottom suspension air bag 1, probe 5 is arranged in smooth bore 201, bottom smooth bore 201
Smooth bore aperture position is provided with plug 8, and the top of smooth bore 201 is provided with inductive switch 4.Described warning device
3 are arranged on suspension air bag 1 inside, the top of counterweight 2, and inductive switch 4 is arranged on the power supply of warning device 3
On loop.When probe 5 is touched or during close to inductive switch 4, and inductive switch 4 closes, warning device 3
Electric power loop turns on, and warning device 3 sends alarm signal.The top of described suspension air bag 1 is provided with rope
Link 6, is provided with rope 7 in rope link 6.By arranging rope 7, the free end of rope 7 is arranged
Outside oil drum, facilitate the taking-up of device.Described inductive switch 4 switchs for contact type mechanical.Described probe 5
Including expansion link 503, telescopic 504, jackscrew 505, telescopic 504 is enclosed within expansion link 503, flexible
The side of set 504 is provided with jackscrew 505.By probe 5 is set to telescopic form, can be according to reality
Situation adjusts the length of probe 5, adds the range of application of device.First unclamp jackscrew 505 during use, adjust
Expansion link 503 and the relative position of telescopic 504, after having adjusted, lock jackscrew 505.Described
It is provided with scale on expansion link 503.By arranging scale on expansion link 503, this use environment can be learnt
Under probe 5 length, after record, next time directly adjusts to this length, it is to avoid repeats to test and causes
Time is wasted.Described warning device 3 is audible-visual annunciator.By being set to audible-visual annunciator, can send out simultaneously
Speak, light is reported to the police, it is to avoid can not find alarm signal in mixed and disorderly environment in time.
During use, warning device being put into oil drum, rope 7 free end is placed on outside oil drum, dress of reporting to the police
Putting and swim on pasta, when pasta is gradually decrease to the distance set bottom oil drum, probe 5 contacts oil
Bottom of the barrel, after pasta continues to reduce, it is internal that probe 5 will be gradually pressed into smooth bore 201, until probe 5 triggers
Inductive switch 4, warning device 3 starts sound the alarm sound flashing red light, reminds staff will take out as early as possible
Oil pipe is extracted out, prevents from extracting the transformer oil that transformer oil bottom of the barrel contains impurity.After using this device, one
It is to enable staff's relieved extraction transformer oil, repeatedly confirmation oil level situation need not be shifted to an earlier date, improve work
Make efficiency;Two is that this device oil level monitoring error is little, it is to avoid the waste of transformer oil;Three are that of avoiding work
Make personnel's oil level and grasp bad, it is impossible to stop oil pumping in time, cause impurities at bottom to extract out and join in transformer
The situation in portion.This device can be applied not only to the monitoring of transformer oil drum oil level, needs to predict in advance for other
The container of liquid position is the most applicable, and this device is the lightest, and clearly, can solve certain scene should in design
By problem, there is little, reality, work, new feature.
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not protects the present invention
Protecting the restriction of scope, on the basis of technical scheme, those skilled in the art need not pay wound
The property the made various amendments that can make of work or deformation are still within protection scope of the present invention.
Claims (10)
1. the low liquid level alarm device of oil drum, it is characterised in that: include suspension air bag (1), counterweight (2),
Warning device (3), inductive switch (4), probe (5), suspension air bag (1) is vertical ellipse in long limit
Spherical, counterweight (2) is arranged on the bottom of suspension air bag (1), counterweight (2) be provided centrally with smooth bore (201),
Suspension air bag (1) bottom is provided with smooth bore opening, and probe (5) is arranged in smooth bore (201), smooth bore (201)
The smooth bore aperture position of bottom is provided with plug (8), and the top of smooth bore (201) is provided with inductive switch (4).
2. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described dress of reporting to the police
Putting (3) and be arranged on suspension air bag (1) inside, the top of counterweight (2), inductive switch (4) is arranged on
On the electric power loop of warning device (3).
3. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described low liquid level
Warning device also includes controller, and the signal output part of inductive switch (4) connects controller, the letter of controller
What number output connected warning device (3) controls end, the control end of oil well pump.
4. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described suspension gas
The top of capsule (1) is provided with rope link (6), is provided with rope (7) in rope link (6).
5. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described sensing is opened
Pass (4) is any one in contact type mechanical switch, proximity switch, infrared sensing switch.
6. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described probe (5)
Bottom be provided with tip.
7. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described probe (5)
Bottom one sloped footing (501) is set, the bottom surface of taper is down.
8. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described probe (5)
Including expansion link (503), telescopic (504), jackscrew (505), telescopic (504) is enclosed within flexible
On bar (503), the side of telescopic (504) is provided with jackscrew (505).
9. a kind of low liquid level alarm device of oil drum as claimed in claim 8, is characterized in that, described expansion link
(503) scale it is provided with on.
10. a kind of low liquid level alarm device of oil drum as claimed in claim 1, is characterized in that, described warning
Device (3) is audible-visual annunciator.
Priority Applications (1)
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CN201610370111.0A CN105869360B (en) | 2016-05-30 | 2016-05-30 | A kind of oil drum low liquid level warning device |
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CN201610370111.0A CN105869360B (en) | 2016-05-30 | 2016-05-30 | A kind of oil drum low liquid level warning device |
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CN105869360A true CN105869360A (en) | 2016-08-17 |
CN105869360B CN105869360B (en) | 2018-03-30 |
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CN201610370111.0A Active CN105869360B (en) | 2016-05-30 | 2016-05-30 | A kind of oil drum low liquid level warning device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108167827A (en) * | 2017-12-29 | 2018-06-15 | 石家庄市春燕采暖设备有限公司 | Alcohol-based fuel combustion device |
CN116659624A (en) * | 2023-07-20 | 2023-08-29 | 三峡金沙江云川水电开发有限公司 | Hydropower station flooding factory building alarm device |
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CN201935720U (en) * | 2010-12-14 | 2011-08-17 | 中国神华能源股份有限公司 | Liquid level detecting device |
JP2014085139A (en) * | 2012-10-19 | 2014-05-12 | Yazaki Corp | Liquid level sensor |
US20150377687A1 (en) * | 2012-08-11 | 2015-12-31 | Michael A. Olson | Level measurement system |
CN205175517U (en) * | 2015-12-01 | 2016-04-20 | 温州市派克液压机电有限公司 | Novel liquid level meter |
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2016
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Patent Citations (7)
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WO1998028598A1 (en) * | 1996-12-20 | 1998-07-02 | Mts Systems Corporation | Magnetostrictive position sensing probe with waveguide referenced to tip |
CN2667471Y (en) * | 2004-01-14 | 2004-12-29 | 王和苗 | Floating liquid level signal device |
CN1892190A (en) * | 2005-07-08 | 2007-01-10 | 上银科技股份有限公司 | Buoy structure for warning liquid storage quantity |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108167827A (en) * | 2017-12-29 | 2018-06-15 | 石家庄市春燕采暖设备有限公司 | Alcohol-based fuel combustion device |
CN116659624A (en) * | 2023-07-20 | 2023-08-29 | 三峡金沙江云川水电开发有限公司 | Hydropower station flooding factory building alarm device |
CN116659624B (en) * | 2023-07-20 | 2023-10-20 | 三峡金沙江云川水电开发有限公司 | Hydropower station flooding factory building alarm device |
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