CN107240483A - Transformer breather - Google Patents
Transformer breather Download PDFInfo
- Publication number
- CN107240483A CN107240483A CN201710642555.XA CN201710642555A CN107240483A CN 107240483 A CN107240483 A CN 107240483A CN 201710642555 A CN201710642555 A CN 201710642555A CN 107240483 A CN107240483 A CN 107240483A
- Authority
- CN
- China
- Prior art keywords
- breathing
- top cover
- respirator
- connecting rod
- retainer ring
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Abstract
The present invention relates to transformer breathing equipment technical field, it is a kind of transformer breather, it includes flanged plate, respirator top cover, connecting rod, ventilator housing, clear bottom cover and lubricating cup, flanged plate and respirator top cover integrally connected, respirator top cover is provided with charge door, charge door is provided with detachable plug, ventilator housing is fixedly mounted with respirator top cover, the lower end of ventilator housing is provided with horizontal baffle, sleeve is set with the outward flange of horizontal baffle, breathing sleeve pipe is installed with horizontal baffle bottom, middle part, which is enclosed with, in breathing sleeve bottom sets round-meshed interlayer net, interlayer net is circumferentially detachably mounted on breathing sleeve pipe, lubricating cup is fixedly mounted on lower cartridge inwall.Reasonable and compact in structure of the present invention, it, without transformer breather integral demounting is got off, effectively shortens the time for changing silica gel by using hasp structure, reduces main transformer grave gas protection post-set time, improves main transformer safe operating conditions.
Description
Technical field
It is a kind of transformer breather the present invention relates to main transformer breathing equipment technical field.
Background technology
Temperature can change transformer at any time in operation, cause the oil level of inside transformer to be raised and lowered.And oil conservater
For semiclosed oil conservater, just so because being raised and lowered for pasta can make inside transformer keep atmospheric pressure state, therefore, in order to
Delay the degradation speed of transformer oil and prevent pollution of the air to insulating oil, respirator is installed additional in the exhalation passages of oil.Exhale
Haustorium is also silica gel tank, and transformer breathing ensures air by the oil filtering in silica gel, then the lubricating cup for passing through respirator bottom
Dry.
With O＆M integration and the propulsion of unattended operation transformer station, the replacing of respirator discoloration silica gel turns into O＆M people
A big event in member's routine work.Carried out more according to the requirement of existing main transformer respirator silica gel Replacement procedure flow
Change, take around 30-60 minutes, while the situation of respirator glass tank damage is likely to cause, influence operation maintenance personnel
Operating efficiency and equipment safety.And during this period, need to exit the body protection of transformer according to the rules, main transformer is pacified
Full reliability of operation, security generate very big influence, therefore, and shortening main transformer respirator silica gel replacing construction has important
Practical significance.
The content of the invention
The invention provides a kind of transformer breather, the deficiency of above-mentioned prior art is overcome, it can effectively solve existing
There is transformer breather to be inconvenient to dismantle, wasted time and energy when changing dry anti-blushing agent, efficiency of construction is relatively low, there is potential safety hazard
Problem.
The technical scheme is that realized by following measures：A kind of transformer breather, including flanged plate, exhale
Haustorium top cover, connecting rod, ventilator housing, the lubricating cup of clear bottom cover and opening upwards, the flanged plate and respirator top cover one
Body links together, and is sequentially provided with mounting hole and breathing through hole on the respirator top cover from the inside to the outside, and the breathing top cover leads to
The top that mounting hole is fixedly mounted on connecting rod is crossed, charge door is provided with respirator top cover, the charge door is close provided with energy
The detachable plug of charge door is sealed, top and the respirator top cover of the ventilator housing are fixedly installed togather, in respirator
The lower end of housing is provided with horizontal baffle, is sequentially provided with mounting hole and breathing through hole, horizontal baffle from the inside to the outside on horizontal baffle
It is fixed on to be set with the bottom of connecting rod, the outward flange of horizontal baffle by mounting hole and is against on the outer wall of ventilator housing bottom
Sleeve, be fixed with breathing sleeve pipe in the horizontal baffle bottom of breathing through hole corresponding position, be enclosed with breathing sleeve bottom
Middle part sets round-meshed interlayer net, and interlayer net is circumferentially detachably mounted on breathing sleeve pipe, and clear bottom cover is fixedly mounted on
Breathe the outside of sleeve pipe and the bottom of clear bottom cover to be fixed in connecting rod, the lubricating cup is fixedly mounted on lower cartridge inwall
On.
Here is the further optimization and/or improvements to foregoing invention technical scheme：
Above-mentioned also to include buckle mechanism, the outward flange of the interlayer net is circumferentially fixed on the outer of breathing sleeve pipe by buckle mechanism
On side, the buckle mechanism includes hasp assembly and the retainer ring in annular, and retainer ring is provided with opening, hasp assembly bag
Include the fixed agraffe being fixedly connected with retainer ring one end and the movable snap being fixedly connected with retainer ring the other end, the work
Dynamic hasp is together with fixed agraffe detachable connection；Or/and, the buckle mechanism includes hasp assembly and in annular
Retainer ring, the retainer ring is provided with opening, and the hasp assembly includes hook tabs and workprint, one end at the opening of retainer ring
It is fixedly connected with the other end at hook tabs, the opening of retainer ring and is fixedly connected with workprint, the hook tabs and workprint removably connects
It is connected together.
Above-mentioned also to include locking nut, the upper and lower part of connecting rod is equipped with external screw thread, and the respirator top cover passes through
Locking nut is fixedly mounted on the top of connecting rod, and the clear bottom cover is fixedly mounted under connecting rod by locking nut
Portion.
The lower inner wall of sleeve described above is provided with internal thread, and the lubricating cup external wall of upper portion is provided with external screw thread, described
Sleeve and lubricating cup, which are connected through a screw thread, to be fixedly installed togather.
Interlayer net described above is iron wire gauze or gauze net.
The bottom of horizontal baffle described above is provided with the annular stopper slot corresponding with clear bottom cover, the clear bottom cover
Top be against in stopper slot.
When the present invention carries out silica gel replacing, by using hasp structure without transformer breather integral demounting is got off,
When replacing new silica gel, lubricating cup, clear bottom cover and interlayer net are sequentially first removed, the silica gel made moist due to the effect of gravity is from breathing
Sleeve pipe is fallen down, then sequentially installs interlayer net, clear bottom cover and lubricating cup, and dry silica gel is put into finally by charge door,
Silica gel more changes jobs completion, simple and convenient, effectively shortens the time for changing silica gel, effectively increases operating efficiency, reduces master
Become grave gas protection post-set time, improve main transformer safe operating conditions.
Brief description of the drawings
Accompanying drawing 1 is preferred embodiment main view cross section structure diagram.
Coding in accompanying drawing is respectively：1 is flanged plate, and 2 be respirator top cover, and 3 be ventilator housing, and 4 be lubricating cup, and 5 are
Charge door, 6 be horizontal baffle, and 7 be clear bottom cover for breathing sleeve pipe, 8, and 9 be connecting rod, and 10 be locking nut, and 11 be sleeve, 12
It is retainer ring for interlayer net, 13,14 be breathing through hole.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode be described, such as：The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description
Direction is determined.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in Figure 1, the transformer breather include flanged plate 1, respirator top cover 2, connecting rod 9, ventilator housing 3, thoroughly
The lubricating cup 4 of bright bottom cover 8 and opening upwards, the flanged plate 1 is together with the integrally connected of respirator top cover 2, the respirator top
Mounting hole and breathing through hole 14 are sequentially provided with lid 2 from the inside to the outside, the breathing top cover 2 is fixedly mounted on connection by mounting hole
The top of bar 9, is provided with charge door 5, the charge door 5, which is provided with, can seal the detachable stifled of charge door 5 on respirator top cover 2
Head, top and the respirator top cover 2 of the ventilator housing 3 are fixedly installed togather, and water is provided with the lower end of ventilator housing 3
Flat baffle plate 6, is sequentially provided with mounting hole and breathing through hole 14 from the inside to the outside on horizontal baffle 6, and horizontal baffle 6 is solid by mounting hole
The sleeve 11 for being set with and being against on the bottom outer wall of ventilator housing 3 on the bottom of connecting rod 9, the outward flange of horizontal baffle 6 is scheduled on,
Breathing sleeve pipe 7 is fixed with the bottom of horizontal baffle 6 of breathing through hole 14 corresponding position, in being enclosed with breathing sleeve pipe 7 bottom
Portion sets round-meshed interlayer net 12, and interlayer net 12 is circumferentially detachably mounted on breathing sleeve pipe 7, and clear bottom cover 8 fixes peace
Bottom mounted in the outside of breathing sleeve pipe 7 and clear bottom cover 8 is fixed in connecting rod 9, and the lubricating cup 4 is fixedly mounted on sleeve 11
In lower inner wall.
When actual use, in ventilator housing 3 built with anti-blushing agent is dried, moistureproof drier used herein can be silicon
Glue or other anti-blushing agents.Here ventilator housing 3 is transparent glass infuser, is easy to staff's observation to judge moistureproof dry
The situation of making moist of agent.Here the crown center of respirator top cover 2 is provided with round tube hole, the mounting hole on horizontal baffle 6, interlayer net 12
On diameter with connecting rod 9 of bore inner diameter, the bore inner diameter on the bottom surface of clear bottom cover 8 match, be easy to connecting rod 9 to wear
Cross, clear bottom cover 8, horizontal baffle 6 are secured by what connecting rod 9 was consolidated.Here the outward flange of horizontal baffle 6 is relative to breathing
Boss portion is formed at the bottom of device housing 3, and the upper inside wall of sleeve 11 is against in boss portion, and the bottom of sleeve 11 is fixed with lubricating cup 4 pacifies
It is fitted together.Plug on charge door 5 can be rubber stopper or metal screw plug, and plug here primarily serves sealing respirator
Effect.When the present invention carries out silica gel replacing, by using hasp structure without transformer breather integral demounting is got off, replace
When renewing silica gel, lubricating cup 4, clear bottom cover 8 and interlayer net 13 are sequentially first removed, because the silica gel that the effect of gravity is made moist passes through
Breathing through hole 14 is fallen down out of breathing sleeve pipe 7, then sequentially installs interlayer net 13, clear bottom cover 8 and lubricating cup 4, is finally led to
Cross charge door 5 and be put into dry silica gel, silica gel more changes jobs completion, simple and convenient, effectively shortens the time for changing silica gel, has
Effect improves operating efficiency, reduces main transformer grave gas protection post-set time, improves main transformer safe operating conditions.
Above-mentioned transformer breather can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, in addition to buckle mechanism, the interlayer net 12 is circumferentially fixed on breathing sleeve pipe 7 by buckle mechanism
Lateral surface on, the buckle mechanism include hasp assembly and the retainer ring 13 in annular, retainer ring 13 be provided with opening, take
Detaining assembly includes the fixed agraffe being fixedly connected with the one end of retainer ring 13 and the work being fixedly connected with the other end of retainer ring 13
Dynamic hasp, the movable snap is together with fixed agraffe detachable connection；Or/and, it is total that the buckle mechanism includes hasp
Into with the retainer ring 13 in annular, the retainer ring 13 is provided with opening, and the hasp assembly includes hook tabs and workprint, solid
Determine the other end that one end at the opening of ring 13 is fixedly connected with hook tabs, the opening of retainer ring 13 and be fixedly connected with workprint, institute
State hook tabs and workprint is removably attachable to together.Here disassemble the present invention using the connected mode of hasp assembly convenient, it is real
Now the quick replacement of its silica gel is handled.The hasp structure being engaged by using hook tabs and workprint can be removed simply and easily
Interlayer net, is easy to replacement to make moist silica gel.
As shown in Figure 1, in addition to locking nut 10, the upper and lower part of connecting rod 9 is equipped with external screw thread, the breathing
Device top cover 2 is fixedly mounted on the top of connecting rod 9 by locking nut 10, and the clear bottom cover 8 is fixed by locking nut 10
Installed in the bottom of connecting rod 9.Here, can be easily by clear bottom cover 8 from connecting rod 9 by the way that locking nut 10 is removed
Take off, be convenient for changing the silica gel that makes moist.
As shown in Figure 1, the lower inner wall of the sleeve 11 is provided with internal thread, and the external wall of upper portion of lubricating cup 4 is provided with
External screw thread, the sleeve 11 and lubricating cup 4 are connected through a screw thread and are fixedly installed togather.
As shown in Figure 1, the interlayer net 12 is iron wire gauze or gauze net.Used here as iron wire gauze or gauze net
Play the role of ventilative, interlayer net 13 here plays a part of preventing the liquid in lubricating cup 4 by suck-back.
As needed, the bottom of the horizontal baffle 6 is provided with the annular stopper slot corresponding with clear bottom cover 8, described
The top of clear bottom cover 8 is against in stopper slot.When mounted, the top of clear bottom cover 8 is against in stopper slot, clear bottom cover 8
Fixed, made together with clear bottom cover 8 is stably mounted at horizontal baffle 6 with locking nut 10 by connecting rod 9.Exist as needed
Sealing ring can be also provided between horizontal baffle 6 and clear bottom cover 8, plays a part of further sealing respirator.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect
Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.
Claims (10)
1. a kind of transformer breather, it is characterised in that including flanged plate, respirator top cover, connecting rod, ventilator housing, transparent
Bottom cover and opening upwards lubricating cup, the flanged plate together with respirator top cover integrally connected, on the respirator top cover by
Interior to outer to be sequentially provided with mounting hole and breathing through hole, the breathing top cover is fixedly mounted on the top of connecting rod by mounting hole,
Charge door is provided with respirator top cover, the charge door, which is provided with, can seal the detachable plug of charge door, the respirator
The top of housing is fixedly installed togather with respirator top cover, and horizontal baffle is provided with the lower end of ventilator housing, in level gear
Mounting hole and breathing through hole are sequentially provided with plate from the inside to the outside, horizontal baffle is fixed on the bottom of connecting rod, water by mounting hole
The sleeve being against on the outer wall of ventilator housing bottom is set with the outward flange of flat baffle plate, the water in breathing through hole corresponding position
Flat baffle bottom is fixed with breathing sleeve pipe, and being enclosed with middle part in breathing sleeve bottom sets round-meshed interlayer net, interlayer net edge circle
It is detachably mounted in week on breathing sleeve pipe, clear bottom cover is fixedly mounted on the outside of breathing sleeve pipe and the bottom of clear bottom cover and consolidated
It is scheduled in connecting rod, the lubricating cup is fixedly mounted on lower cartridge inwall.
2. outside transformer breather according to claim 1, it is characterised in that also including buckle mechanism, the interlayer net
Edge is circumferentially fixed on the lateral surface of breathing sleeve pipe by buckle mechanism, and the buckle mechanism includes hasp assembly and in circle
The retainer ring of annular, retainer ring is provided with opening, hasp assembly include the fixed agraffe that is fixedly connected with retainer ring one end and
The movable snap being fixedly connected with retainer ring the other end, the movable snap is together with fixed agraffe detachable connection；
Or/and, the buckle mechanism includes hasp assembly and the retainer ring in annular, and the retainer ring is provided with opening, described to take
Detaining assembly includes hook tabs and workprint, and one end at the opening of retainer ring is fixedly connected with another at hook tabs, the opening of retainer ring
One end is fixedly connected with workprint, and the hook tabs and workprint are removably attachable to together.
3. transformer breather according to claim 1 or 2, it is characterised in that also including locking nut, connecting rod it is upper
Portion and bottom are equipped with external screw thread, and the respirator top cover is fixedly mounted on the top of connecting rod by locking nut, described
Bright bottom cover is fixedly mounted on the bottom of connecting rod by locking nut.
4. transformer breather according to claim 1 or 2, it is characterised in that the lower inner wall of the sleeve is provided with interior
Screw thread, the lubricating cup external wall of upper portion is provided with external screw thread, and the sleeve and lubricating cup, which are connected through a screw thread, to be fixedly installed togather.
5. transformer breather according to claim 3, it is characterised in that the lower inner wall of the sleeve is provided with interior spiral shell
Line, the lubricating cup external wall of upper portion is provided with external screw thread, and the sleeve and lubricating cup, which are connected through a screw thread, to be fixedly installed togather.
6. transformer breather according to claim 1 or 2, it is characterised in that the interlayer net is iron wire gauze or gauze
Net.
7. transformer breather according to claim 3, it is characterised in that the interlayer net is iron wire gauze or gauze net.
8. transformer breather according to claim 4, it is characterised in that the interlayer net is iron wire gauze or gauze net.
9. transformer breather according to claim 5, it is characterised in that the interlayer net is iron wire gauze or gauze net.
10. the transformer breather according to claim 1 or 2 or 5 or 7 or 8 or 9, it is characterised in that the bottom of horizontal baffle
Portion is provided with the annular stopper slot corresponding with clear bottom cover, and the top of the clear bottom cover is against in stopper slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642555.XA CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642555.XA CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107240483A true CN107240483A (en) | 2017-10-10 |
| CN107240483B CN107240483B (en) | 2023-06-02 |
Family
ID=59989496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642555.XA Active CN107240483B (en) | 2017-07-31 | 2017-07-31 | Transformer respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107240483B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597782A (en) * | 2018-06-20 | 2018-09-28 | 国网江苏省电力有限公司泰州供电分公司 | A kind of transformer breather |
| CN108597784A (en) * | 2018-08-01 | 2018-09-28 | 湖北科技学院 | A kind of circumscribed dehumidification equipment of transformer breather and respirator |
| CN110136930A (en) * | 2019-06-18 | 2019-08-16 | 国网四川省电力公司乐山供电公司 | A kind of Novel respirator based on transformer application |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518012U (en) * | 1991-01-09 | 1993-03-05 | 株式会社日向精工 | Hygroscopic respirator |
| JPH08229344A (en) * | 1995-02-27 | 1996-09-10 | Tohoku Electric Power Co Inc | Humidifier |
| CN2458702Y (en) * | 2001-01-05 | 2001-11-07 | 蒋仕清 | Moisture absorption apparatus |
| US20040045435A1 (en) * | 2002-09-06 | 2004-03-11 | Golner Thomas M. | Dehydrating breather apparatus and method |
| JP2011204981A (en) * | 2010-03-26 | 2011-10-13 | Daihen Corp | Moisture absorption breathing device for oil-filled electric apparatus |
| CN202061279U (en) * | 2011-03-14 | 2011-12-07 | 上海依民安全装备有限公司 | Back support of air respirator |
| CN102842405A (en) * | 2012-09-12 | 2012-12-26 | 辽宁省电力有限公司电力科学研究院 | Detachment-free moisture absorber for power transformer |
| CN203466017U (en) * | 2013-05-27 | 2014-03-05 | 河南省电力公司鹤壁供电公司 | Rapid-to-replace transformer respirator |
| CN104517703A (en) * | 2015-01-12 | 2015-04-15 | 国网福建南安市供电有限公司 | Transformer breather with function of replacing silica gel without dismounting |
| CN204706439U (en) * | 2015-07-01 | 2015-10-14 | 陕西金源自动化科技有限公司 | A kind of maintenance-free moisture absorber |
| CN205298915U (en) * | 2015-12-14 | 2016-06-08 | 广东电网有限责任公司惠州供电局 | Novel hasp locking -type owner become respirator interface device |
| CN205564465U (en) * | 2016-02-25 | 2016-09-07 | 扶绥供电公司 | Transformer breather |
| CN106158275A (en) * | 2016-08-15 | 2016-11-23 | 国网山东省电力公司潍坊供电公司 | Transformer breather assembly |
| CN207149368U (en) * | 2017-07-31 | 2018-03-27 | 国网新疆电力公司巴州供电公司 | Transformer breather |
-
2017
- 2017-07-31 CN CN201710642555.XA patent/CN107240483B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518012U (en) * | 1991-01-09 | 1993-03-05 | 株式会社日向精工 | Hygroscopic respirator |
| JPH08229344A (en) * | 1995-02-27 | 1996-09-10 | Tohoku Electric Power Co Inc | Humidifier |
| CN2458702Y (en) * | 2001-01-05 | 2001-11-07 | 蒋仕清 | Moisture absorption apparatus |
| US20040045435A1 (en) * | 2002-09-06 | 2004-03-11 | Golner Thomas M. | Dehydrating breather apparatus and method |
| JP2011204981A (en) * | 2010-03-26 | 2011-10-13 | Daihen Corp | Moisture absorption breathing device for oil-filled electric apparatus |
| CN202061279U (en) * | 2011-03-14 | 2011-12-07 | 上海依民安全装备有限公司 | Back support of air respirator |
| CN102842405A (en) * | 2012-09-12 | 2012-12-26 | 辽宁省电力有限公司电力科学研究院 | Detachment-free moisture absorber for power transformer |
| CN203466017U (en) * | 2013-05-27 | 2014-03-05 | 河南省电力公司鹤壁供电公司 | Rapid-to-replace transformer respirator |
| CN104517703A (en) * | 2015-01-12 | 2015-04-15 | 国网福建南安市供电有限公司 | Transformer breather with function of replacing silica gel without dismounting |
| CN204706439U (en) * | 2015-07-01 | 2015-10-14 | 陕西金源自动化科技有限公司 | A kind of maintenance-free moisture absorber |
| CN205298915U (en) * | 2015-12-14 | 2016-06-08 | 广东电网有限责任公司惠州供电局 | Novel hasp locking -type owner become respirator interface device |
| CN205564465U (en) * | 2016-02-25 | 2016-09-07 | 扶绥供电公司 | Transformer breather |
| CN106158275A (en) * | 2016-08-15 | 2016-11-23 | 国网山东省电力公司潍坊供电公司 | Transformer breather assembly |
| CN207149368U (en) * | 2017-07-31 | 2018-03-27 | 国网新疆电力公司巴州供电公司 | Transformer breather |
Non-Patent Citations (3)
| Title |
|---|
| 尹洪朗;: "变压器免维护呼吸器在变电站的应用" * |
| 张东明;常喜强;刁海勇;王维庆;任华;: "基于GIS系统的配电网分析与研究" * |
| 张宝山: "XS2型吸湿器的设计与研究" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597782A (en) * | 2018-06-20 | 2018-09-28 | 国网江苏省电力有限公司泰州供电分公司 | A kind of transformer breather |
| CN108597782B (en) * | 2018-06-20 | 2024-03-26 | 国网江苏省电力有限公司泰州供电分公司 | Transformer respirator |
| CN108597784A (en) * | 2018-08-01 | 2018-09-28 | 湖北科技学院 | A kind of circumscribed dehumidification equipment of transformer breather and respirator |
| CN110136930A (en) * | 2019-06-18 | 2019-08-16 | 国网四川省电力公司乐山供电公司 | A kind of Novel respirator based on transformer application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107240483B (en) | 2023-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107240483A (en) | Transformer breather | |
| CN207149368U (en) | Transformer breather | |
| CN105857893B (en) | Unmanned plane medicine-chest and the valve for unmanned plane medicine-chest | |
| CN101780870A (en) | Vertical coaxial anti-explosion fire-retardant breather valve | |
| CN208153787U (en) | A kind of 40MPa air respiratorresuscitator bottle valve | |
| CN106246555A (en) | A kind of vehicle air compressor | |
| CN108709002B (en) | High-speed breather valve | |
| CN104524709A (en) | Gas and smoke dust preventing mask | |
| CN213400802U (en) | Take exempt from to tear open formula transformer respirator of differential pressure gauge | |
| CN204268077U (en) | Coal gas diffusion water seal automation equipment | |
| CN208967140U (en) | Safety valve | |
| CN208742093U (en) | A kind of easy-to-dismount bathroom filter core | |
| CN206397566U (en) | A kind of automobile exhaust gas purifying installation | |
| CN211894536U (en) | Breathing device and oil storage tank | |
| CN106122025A (en) | A kind of air compressor machine for new-energy automobile | |
| CN206927105U (en) | A kind of external fluid-valve regulation and control warning box | |
| CN105464751B (en) | A kind of cyclone type oil-gas separator | |
| CN206597395U (en) | Compression air-filtering device | |
| CN216223694U (en) | DMF waste gas treatment device | |
| CN112349492A (en) | Take exempt from to tear open formula transformer respirator of differential pressure gauge | |
| RU168690U1 (en) | EXPANSION TANK RESPIRATORY DEVICE | |
| CN208873584U (en) | The double filter ventilators of transformer | |
| CN220452816U (en) | Pressure relief device for cooling water system | |
| CN207187377U (en) | A kind of construction elevator dust arrester | |
| CN219517468U (en) | Breathing machine water collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |