CN109360769A - Tongue tube liquid level relay - Google Patents
Tongue tube liquid level relay Download PDFInfo
- Publication number
- CN109360769A CN109360769A CN201811389321.XA CN201811389321A CN109360769A CN 109360769 A CN109360769 A CN 109360769A CN 201811389321 A CN201811389321 A CN 201811389321A CN 109360769 A CN109360769 A CN 109360769A
- Authority
- CN
- China
- Prior art keywords
- tongue tube
- slip pipe
- protective cover
- liquid level
- floating ball
- 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
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 9
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of tongue tube liquid level relay, it has the function of floating ball total travel continuous alarm and low low liquid level warning, no wrong report, is not influenced by external complex working environment is multiple, and output stablizes, accurate signal.It includes: upper and lower ring washer, circuit board, slip pipe, floating ball, protective cover and tongue tube, floating ball is sleeved on slip pipe, ring washer is housed up and down, the circuit board for being welded with tongue tube above is mounted in slip pipe, slip pipe is welded under protective cover flange, it is fixed below with protective cover, protective cover is mounted in oil tank of transformer, along the longitudinal direction of slip pipe, step arrangement welds on circuit boards four tongue tubes from high to low, three tongue tube parallel connections above, the signal of generation leads to the A of connecting terminal using conducting wire, the end B, a tongue tube is welded on the bottom of circuit board below, the independent lead of the signal of generation to connecting terminal C, the end D, silica gel is marked in slip pipe.Disclosure is particularly well suited to install to be mounted in the oil immersed type transformation of the above electric locomotive of speed per hour 200km.
Description
Technical field
The present invention relates to control panel technical fields, and exactly, it is that one kind is mounted on the above electric power machine of speed per hour 200km
Tongue tube liquid level relay on vehicle transformer.
Background technique
Relay be switched on or switched off according to certain input signal Small current control circuit, realize far distance control from
Dynamic control electric appliance.Its input signal can be the electricity such as electric current, voltage, be also possible to the non-electrical such as temperature, time, speed, pressure
Amount, and what is exported is then the movement of contact or the variation of circuit parameter, and liquid level relay is then a kind of according to liquid level height
The relay of low output electric signal.
Currently, using tongue tube Floating Ball Liquid Level relay in the oil immersed type transformation of the above electric locomotive of speed per hour 200km
As monitoring transformer Cooling oil liquid position variation control panel, this relay mainly by a tongue tube, slip pipe, floating ball,
Upper and lower retaining ring and protective cover are constituted, and slip pipe is mounted in protective cover, and tongue tube is mounted in slip pipe, and floating ball is sleeved on outside slip pipe
Face, upper and lower position are limited with retaining ring, and cooling oil can enter protective cover from fuel feed hole, cover cooling oil in interior liquid level and transformer
Face is consistent, and floating ball declines therewith when cooling oil liquid level declines in transformer, and vice versa.When floating ball drops to setting alert locations
When, floating ball internal magnet attracts magnetic reed switch normally opened contact closure in tongue tube, electric signal is issued, as Liquid level or prompt letter
Number.It finds in use, this liquid level relay causes dry-reed tube switch movement excessively clever since floating ball stroke is too short
It is quick, easily generate the problems such as misrepresenting deliberately liquid level signal；In addition shadow of this liquid level relay also vulnerable to external environments such as vibration, inclinations
It rings, generates malfunction.It is light then, cause to mislead to operator；It is heavy then, influence the normal operation of electric locomotive or cause driving thing
Therefore.
Summary of the invention
The object of the invention is to solve existing tongue tube liquid level relay existing defects and deficiency, provide a kind of errorless
It reports, not by external environment image, the tongue tube liquid level relay of simultaneously repetition of alarms can be continued within the scope of floating ball total travel.
The object of the present invention is achieved like this, and tongue tube liquid level relay includes: upper and lower ring washer, circuit board, slip pipe, floats
Ball, protective cover, protective cover flange and tongue tube, floating ball are sleeved on slip pipe, are respectively provided with ring washer and lower ring washer, floating ball up and down
It can be slided up and down between upper and lower retaining ring, the circuit board for being welded with tongue tube above is mounted in slip pipe, and slip pipe upper end is welded on
On the centre bore lower surface of protective cover flange, lower end is secured with nuts on protective cover, and protective cover utilizes protective cover flange and change
Depressor shell is mounted in oil tank of transformer, and transformer Cooling oily can be entered in protective cover by fuel feed hole, reed switch signal
It is drawn with conducting wire, it is characterised in that: along the longitudinal direction of slip pipe, step arrangement welds on circuit boards four tongue tubes from high to low, on
The tongue tube parallel connection of three, face, the signal of generation lead to the end A, B of connecting terminal using conducting wire, below a tongue tube be welded on
The bottom of circuit board, the end C, D of the independent lead of the signal of generation to connecting terminal are marked with silica gel in slip pipe, above three branchs
Height difference H between reed pipe is 4 millimeters to 6 millimeters, and the difference in height L of third branch tongue tube to most next tongue tube is 2 millimeters
To 4 millimeters, it is at least 10 millimeters from the distance of initial alarm liquid level position to low liquid level alert locations.
Compared with prior art, the invention has the advantages that using several tongue tubes in parallel along slip pipe longitudinal direction by up to
Low step arrangement mode and the setting of low low liquid level tongue tube, realize floating ball total travel continuous alarm and low low liquid level warning function
Can, to thoroughly solve because the dry-reed tube switch caused by floating ball stroke is too short acts what excessively sensitive, frequent generation was reported by mistake
Problem.In addition, no longer generating phase between tongue tube, circuit board and slip pipe inner wall after silica gel is perfused in slip pipe due to the present invention
It is better to movement, insulation performance, so, the present invention ensure that output signal in the case where external operating environment complexity
Stabilization and accurate.
Detailed description of the invention
Fig. 1 is assembly relation schematic diagram of the invention.
Fig. 2 is main view of the invention.
Fig. 3 is the revolved sectional view at E-E of the present invention.
Fig. 4 is rearview of the invention.
Fig. 5 is electric principle and height distribution map of the invention.
Specific embodiment
Embodiment 1
Components used in the present invention are the prior art, and installation method is also same as the prior art, it is therefore easy to realize,
This is repeated no more；Part structure size such as individual zero needs to change, and can be made of existing manufacture material, technique.
The present invention is four dry-reed liquid level relays, can be floated determine according to actual needs in different applications
The stroke of ball 7, then determine by the length of stroke the number of tongue tube, connection type is constant, it may be assumed that circuit board 5 is mounted on slip pipe 6
Interior, N branch tongue tube is welded on circuit board 5 along the longitudinal step arrangement from high to low of slip pipe 6, and from top to bottom N-1 branch tongue tube is in parallel,
Signal leads to the end A, B of connecting terminal 11 using conducting wire, and the bottom that most next tongue tube is welded on circuit board 5 generates
The independent lead of signal to the end C, D of connecting terminal 11, above height difference H between N-1 branch tongue tube be 4 millimeters to 6 millimeters,
The difference in height L of the adjacent tongue tube in the most next supreme face of tongue tube is 2 millimeters to 4 millimeters；Guarantor can be increased if necessary
The length of shield 9 and slip pipe 6.Above-mentioned difference in height is to realizing that the present invention is important, and experiment obtains repeatedly.
Firstly, the height and position of tongue tube 13 should be determined in strict accordance with the initial alarm liquid level position of setting, then successively
Its excess-three branch reed pipe is welded on circuit board 5, corresponding solder joint draws sufficient length with conducting wire, and circuit board 5 is packed into slip pipe 6
Afterwards, silica gel 1 is perfused into slip pipe 6 in a manner of vibration, until being full of silica gel 1 in slip pipe 6；Mode of vibration injecting glue can guarantee to slide
In pipe 6 silica gel uniformly, bubble-free, preferably to fix tongue tube and to guarantee its insulating properties.
Floating ball 7, which is sleeved on, to install circuit board 5 and has been filled on the slip pipe 6 of silica gel 1, and floating ball 7 is upper ring washer 8 respectively up and down
With lower ring washer 2, floating ball 7 can slide up and down between upper and lower retaining ring 8 and 2, and 6 upper end of slip pipe is welded on protective cover flange 12
On centre bore lower surface, lower end nut 3 is fixed on protective cover 9, and protective cover 9 utilizes protective cover flange 12 and transformer case
10 are mounted in oil tank of transformer.Cooling oil can be entered in protective cover by fuel feed hole 4, be covered in interior liquid level and oil tank of transformer
Cooling oil liquid level is consistent, and floating ball declines therewith when cooling oil liquid level declines in oil tank of transformer, and vice versa.Dry spring in slip pipe 6
Pipe 13,14,15 and 16 is normally opened contact, and in the case where fuel tank full oil, floating ball 7 is risen at retaining ring 8, and tongue tube is normally opened
Contact is still opening.When the liquid level decline in fuel tank, floating ball 7 declines therewith, when liquid level drops to the initial alarm bit of setting
When setting, the normally opened contact in magnet triggering tongue tube 13 in floating ball 7 is closed, and is generated electric signal and is simultaneously output to connecting terminal 11
A, the end B, as Liquid level or prompt, alarm signal.If liquid level continues to decline, floating ball 7 can be touched successively during declining therewith
Normally opened contact closure in dry reed pipe 14 and 15, due to successively three tongue tubes 13,14 of step arrangement from high to low above
It is connected in parallel with 15, so just producing stable, true, the lasting signal output of total travel.When liquid level is down to low oil
When position, since the lower part of tongue tube 15 and the top of tongue tube 16 partially overlap, so, it is normal that floating ball 7 triggers tongue tube 15
It opens contact closure and while not disconnecting, will trigger 16 normally opened contact of tongue tube closure, generate second of tongue tube 16
Electric signal is exported by conducting wire to the end C, D of connecting terminal 11, is taken corresponding treatment measures for operator or is jumped main disconnected.From first
The distance for alarm liquid level position to the low low liquid level of beginning is at least 10mm.
It is to be especially suitable for installation on transformer and be mounted in the above electric power machine of speed per hour 200km that the present invention, which can install various oil immersions,
In the oil immersed type transformation of vehicle.
Claims (4)
1. tongue tube liquid level relay, it include: lower ring washer (2), circuit board (5), slip pipe (6), floating ball (7), upper ring washer (8),
Protective cover (9), protective cover flange (12) and tongue tube, floating ball (7) are sleeved on slip pipe (6), are respectively provided with ring washer (8) up and down
With lower ring washer (2), floating ball (7) can slide up and down between upper and lower retaining ring (8) and (2), be welded with the circuit board of tongue tube above
(5) it is mounted in slip pipe (6), slip pipe (6) upper end is welded on the centre bore lower surface of protective cover flange (12), lower end nut
(3) it is fixed on protective cover (9), protective cover (9) is mounted on transformer using protective cover flange (12) and transformer case (10)
In fuel tank, transformer Cooling oil can be entered in protective cover by fuel feed hole (4), and reed switch signal is drawn with conducting wire, feature
Be: along the longitudinal direction of slip pipe (6), step arrangement is welded on circuit to four tongue tubes (13), (14), (15) and (16) from high to low
On plate (5), above three tongue tubes (13), (14) and (15) it is in parallel, the signal of generation leads to connecting terminal using conducting wire
(11) the end A, B, below a tongue tube (16) be welded on the bottoms of circuit board (5), the independent lead of the signal of generation is to connecing
The end C, D of line terminals (11), above height difference H between three tongue tubes be 4 millimeters to 6 millimeters.
2. according to right want 1 described in tongue tube liquid level relay, it is characterised in that: third branch tongue tube (15) is to most next
The difference in height L of tongue tube (16) is 2~4 millimeters.
3. according to right want 1 described in tongue tube liquid level relay, it is characterised in that: from initial alarm liquid level position to low liquid
The distance of face alert locations is at least 10 millimeters.
4. according to right want 1 described in tongue tube liquid level relay, it is characterised in that: is marked with silica gel (1) in slip pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389321.XA CN109360769B (en) | 2018-11-21 | 2018-11-21 | Reed pipe liquid level relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389321.XA CN109360769B (en) | 2018-11-21 | 2018-11-21 | Reed pipe liquid level relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109360769A true CN109360769A (en) | 2019-02-19 |
| CN109360769B CN109360769B (en) | 2024-09-27 |
Family
ID=65332572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811389321.XA Active CN109360769B (en) | 2018-11-21 | 2018-11-21 | Reed pipe liquid level relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109360769B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945442A (en) * | 1961-08-18 | 1963-12-23 | Flight Refueling Ltd | Improvements in or relating to liquid level indicating apparatus |
| CN2255625Y (en) * | 1995-07-18 | 1997-06-04 | 天津市上通锅炉节能环保新技术公司 | Liquid-level controller |
| CN2575622Y (en) * | 2002-10-25 | 2003-09-24 | 刘振华 | Automatic resetting meter for mercury column of thermometer |
| CN2690865Y (en) * | 2004-03-29 | 2005-04-06 | 谢长生 | Liquid level alarm for oil storage tank |
| RU49984U1 (en) * | 2005-05-17 | 2005-12-10 | Макрыгин Анатолий Михайлович | LIQUID SENSOR |
| CN201739132U (en) * | 2010-08-06 | 2011-02-09 | 上海石大机电有限公司 | Automatic drainer without gas consumption |
| CN201773329U (en) * | 2010-08-25 | 2011-03-23 | 丹东通博电器(集团)有限公司 | Ball float level controller |
| CN104006555A (en) * | 2013-02-26 | 2014-08-27 | 华洪林 | Floating multi-gear water level and water temperature sensor for solar water heater |
| CN204188237U (en) * | 2014-09-29 | 2015-03-04 | 江苏凯龙宝顿动力科技有限公司 | Hall liquid level pick-up unit |
| CN104460719A (en) * | 2014-12-03 | 2015-03-25 | 苏州市职业大学 | Liquid level switch with hysteresis function |
| CN104634422A (en) * | 2013-11-08 | 2015-05-20 | 赵成仁 | Dipstick with warning function |
| CN209216885U (en) * | 2018-11-21 | 2019-08-06 | 沈阳明远电气科技有限公司 | Tongue tube liquid level relay |
-
2018
- 2018-11-21 CN CN201811389321.XA patent/CN109360769B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945442A (en) * | 1961-08-18 | 1963-12-23 | Flight Refueling Ltd | Improvements in or relating to liquid level indicating apparatus |
| CN2255625Y (en) * | 1995-07-18 | 1997-06-04 | 天津市上通锅炉节能环保新技术公司 | Liquid-level controller |
| CN2575622Y (en) * | 2002-10-25 | 2003-09-24 | 刘振华 | Automatic resetting meter for mercury column of thermometer |
| CN2690865Y (en) * | 2004-03-29 | 2005-04-06 | 谢长生 | Liquid level alarm for oil storage tank |
| RU49984U1 (en) * | 2005-05-17 | 2005-12-10 | Макрыгин Анатолий Михайлович | LIQUID SENSOR |
| CN201739132U (en) * | 2010-08-06 | 2011-02-09 | 上海石大机电有限公司 | Automatic drainer without gas consumption |
| CN201773329U (en) * | 2010-08-25 | 2011-03-23 | 丹东通博电器(集团)有限公司 | Ball float level controller |
| CN104006555A (en) * | 2013-02-26 | 2014-08-27 | 华洪林 | Floating multi-gear water level and water temperature sensor for solar water heater |
| CN104634422A (en) * | 2013-11-08 | 2015-05-20 | 赵成仁 | Dipstick with warning function |
| CN204188237U (en) * | 2014-09-29 | 2015-03-04 | 江苏凯龙宝顿动力科技有限公司 | Hall liquid level pick-up unit |
| CN104460719A (en) * | 2014-12-03 | 2015-03-25 | 苏州市职业大学 | Liquid level switch with hysteresis function |
| CN209216885U (en) * | 2018-11-21 | 2019-08-06 | 沈阳明远电气科技有限公司 | Tongue tube liquid level relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109360769B (en) | 2024-09-27 |
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