CN109559873A - Respirator with pressure alarm function - Google Patents

Respirator with pressure alarm function Download PDF

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Publication number
CN109559873A
CN109559873A CN201811649483.2A CN201811649483A CN109559873A CN 109559873 A CN109559873 A CN 109559873A CN 201811649483 A CN201811649483 A CN 201811649483A CN 109559873 A CN109559873 A CN 109559873A
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CN
China
Prior art keywords
pressure
respirator
module
plectrum
alarm function
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
Application number
CN201811649483.2A
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Chinese (zh)
Other versions
CN109559873B (en
Inventor
李如锋
杨晓晨
张硕
李正朋
杜雪刚
王罡震
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811649483.2A priority Critical patent/CN109559873B/en
Publication of CN109559873A publication Critical patent/CN109559873A/en
Application granted granted Critical
Publication of CN109559873B publication Critical patent/CN109559873B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/08Means for indicating or recording, e.g. for remote indication
    • G01L19/12Alarms or signals

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The present invention provides a kind of respirators with pressure alarm function, belong to transformer breather technical field, including respirator ontology, pressure-measuring pipe, pressure detecting module and alarm module, respirator ontology include for accommodating the tank body of silica gel filtering body, the lubricating cup positioned at tank body lower part, one end are connected to conservator and the other end is located at conduit in lubricating cup;Pressure-measuring pipe is arranged on tank body or conduit and is connected to tank interior;Pressure detecting module is arranged on pressure-measuring pipe for measuring the pressure inside pressure-measuring pipe;Alarm module is electrically connected with pressure sensor, is used for signal an alert.The present invention is when in use, pressure detecting module detects the pressure in tank body or conduit, if pressure is greater than certain threshold value, pressure detecting module delivers a signal to alarm module, alarm module signal an alert, the remote control operator on duty of notice comes to overhaul, and problem or failure caused by capable of effectively avoiding the breathing of respirator obstructed ensures the safe and stable operation of transformer.

Description

Respirator with pressure alarm function
Technical field
The invention belongs to transformer breather technical fields, are to be related to one kind with pressure alarm function more specifically Respirator.
Background technique
The basic structure of transformer is made of body, fuel tank, cooling device, protective device, outgoing line device and transformer oil. Wherein body includes iron core, winding, insulation, lead and tap switch;Fuel tank includes oil tank body and attachment;Protective device includes Conservator, oil meter, pressure-relief vent, respirator, temperature element, oil purifier relay etc.;Outgoing line device includes high, medium and low voltage insulator Pipe etc..Conservator is mounted on the top of oil tank of transformer, is connect by pipeline with oil tank of transformer, it acts as: it accommodates because of transformation Device temperature increases and expands increased transformer oil;The contact surface of limitation oil and air, reduces the degree of oil dampness and oxidation;Fortune It can prevent bubble from entering transformer by its oiling in row.Conservator is generally divided into 2 kinds of forms: capsule-type conservator and diaphragm type oil Pillow, effect is consistent, and the main function of capsule or diaphragm is exactly by oil and air exclusion.Gas in conservator capsule passes through breathing Device is swapped with the external world.Respirator is also known as dehydrating breather, and internal filled with adsorbent, adsorbent is frequently with discoloration silica gel, effect It is the moisture absorbed in air, reduces transformer oil dampness and oxidation.
During electric system rapid development, more and more unattended operation transformer stations put into operation.Transformer breather is It is no can normal unobstructed breathing directly determines to arrive transformer safety stable operation situation, if transformer unsmooth breath, so that it may Transformer body can be caused each there are sealing position, conservator, pressure relief valve oil spout, may seriously make oil tank of transformer pressure Deformation, or even transformer is caused to trip.But existing transformer can not the respiratory state to respirator effectively monitored, Therefore there are still because of security risk caused by respirator unsmooth breath.
Summary of the invention
The purpose of the present invention is to provide a kind of respirators with pressure alarm function, to solve to exist in the prior art Existing transformer the respiratory state of respirator can not effectively be monitored and be there is technical issues that.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of breathing with pressure alarm function is provided Device, including respirator ontology, respirator ontology include for accommodate the tank body of silica gel filtering body, positioned at tank body lower part lubricating cup, One end is connected to conservator and the other end is located at the conduit in lubricating cup, further includes: pressure-measuring pipe is arranged on tank body or conduit and and tank Internal portion's connection;Pressure detecting module is arranged on pressure-measuring pipe for measuring the pressure inside pressure-measuring pipe;And alarm module, It is electrically connected with pressure sensor, is used for signal an alert.
Further, in the respirator above-mentioned with pressure alarm function, pressure detecting module includes: pressure gauge, if It sets on pressure-measuring pipe, and there is dial plate and pointer;And plectrum switch, it is arranged on dial plate and is electrically connected with alarm module, and Triggering closing or opening is stirred by pointer.
Further, in the respirator above-mentioned with pressure alarm function, plectrum switch includes: the first binding post, if It sets on dial plate and is electrically connected with alarm module;Second binding post is arranged on dial plate and is electrically connected with alarm module;And it dials Piece, one end and the first binding post are rotatablely connected, and the other end with the second binding post for contacting.
Further, it is equipped with and is used for and pointer contact in the respirator above-mentioned with pressure alarm function, in the middle part of plectrum Clawback protrusion.
Further, in the respirator above-mentioned with pressure alarm function, plectrum switch further include: elastic element, point It does not connect with the first binding post and plectrum, is contacted or off-state for keeping plectrum and the second binding post to be in.
Further, in the respirator above-mentioned with pressure alarm function, the first binding post, plectrum and elastic element are Integral structure.
Further, in the respirator above-mentioned with pressure alarm function, plectrum 44 is conductive metal paillon.
Further, in the respirator above-mentioned with pressure alarm function, further includes: control module, respectively with pressure Detection module and alarm module electrical connection;And pressure release module, be arranged on conduit, for conduit carry out pressure release, and with control The electrical connection of molding block.
Further, in the respirator above-mentioned with pressure alarm function, pressure release module includes: negative pressure bottle;Relief tube, One end is connected to conduit, and the other end is located in negative pressure bottle;And solenoid valve, setting are electrically connected on relief tube, and with control module It connects.
Further, in the respirator above-mentioned with pressure alarm function, alarm module include loudspeaker, indicator light, One of wireless signal transceiver is a variety of.
The beneficial effect of respirator provided by the invention with pressure alarm function is: compared with prior art, this When in use, pressure detecting module detects the pressure in tank body or conduit for invention, if pressure is greater than certain threshold value, Pressure detecting module delivers a signal to alarm module, and alarm module signal an alert notifies remote control operator on duty to come to carry out Maintenance, problem or failure caused by capable of effectively avoiding the breathing of respirator obstructed, ensures the safe and stable operation of transformer.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram for the respirator with pressure alarm function that an embodiment of the present invention provides;
Fig. 2 is that the plectrum for the respirator with pressure alarm function that another embodiment of the present invention provides switchs position Structural schematic diagram;
Fig. 3 is that the plectrum for the respirator with pressure alarm function that another embodiment of the present invention provides switchs position Structural schematic diagram.
Wherein, each appended drawing reference in figure:
11- tank body;12- lubricating cup;13- conduit;14- filtering body;
20- pressure-measuring pipe;
30- pressure gauge;31- dial plate;32- pointer;
40- plectrum switch;The first binding post of 41-;The second binding post of 42-;43- third binding post;
44- plectrum;45- elastic element;46- clawback protrusion;
50- alarm module;
60- control module;
70- pressure release module;71- negative pressure bottle;72- relief tube;73- solenoid valve;
80- conservator.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, existing be illustrated a kind of respirator with pressure alarm function provided by the invention.The band There are the respirator of pressure alarm function, including respirator ontology, pressure-measuring pipe 20, pressure detecting module and alarm module 50, breathes Device ontology includes connecting for accommodating the tank body 11 of silica gel filtering body 14, the lubricating cup 12 positioned at 11 lower part of tank body, one end and conservator 80 The logical and other end is located at the conduit 13 in lubricating cup 12;Pressure-measuring pipe 20 be arranged on tank body 11 or conduit 13 and with connect inside tank body 11 It is logical;Pressure detecting module is arranged on pressure-measuring pipe 20 for measuring the pressure inside pressure-measuring pipe 20;Alarm module 50 and pressure pass Sensor electrical connection, is used for signal an alert.
Respirator provided by the invention with pressure alarm function, compared with prior art, when in use, pressure detecting Module detects the pressure in tank body 11 or conduit 13, if pressure is greater than specified threshold value, the transmitting of pressure detecting module Signal notifies remote control operator on duty to come to overhaul to alarm module 50,50 signal an alert of alarm module, can be effective Problem or failure caused by avoiding the breathing of respirator obstructed, ensures the safe and stable operation of transformer.
Further, referring to Fig. 1, one kind as the respirator provided by the invention with pressure alarm function is specific Embodiment, pressure detecting module include pressure gauge 30 and plectrum switch 40, and pressure gauge 30 is arranged on pressure-measuring pipe 20, and has Dial plate 31 and pointer 32;Plectrum switch 40 is arranged on dial plate 31 and is electrically connected with alarm module 50, and stirs touching by pointer 32 Send out closing or opening.
Further, referring to Fig. 2, plectrum switch 40 includes: the first binding post 41, the second binding post 42 and plectrum 44, First binding post 41 is arranged on dial plate 31 and is electrically connected with alarm module 50;Second binding post 42 be arranged on dial plate 31 and with Alarm module 50 is electrically connected;44 one end of plectrum and the first binding post 41 are rotatablely connected, and the other end with the second binding post 42 for connecing Touching.
The position of plectrum switch 40 is located at threshold value specified on the dial plate 31 of pressure gauge 30.When pointer 32 is opened by plectrum When closing 40, plectrum 44 is stirred, plectrum 44 is made to contact or disconnect with the second binding post 42, to trigger the alarm of alarm module 50.
Several plectrum switches 40 can be set in the position that different nominal threshold values are corresponded on dial plate 31, to control alarm module 50 Carry out the alarm of different mode.Alarm module 50 can be the alarm with different mode, be also possible to multiple difference With the alarm of plectrum switch 40.Alarm module 50 or alarm can be loudspeaker, indicator light, in wireless signal transceiver It is one or more.
Further, plectrum switch 40 further includes elastic element 45, elastic element 45 respectively with the first binding post 41 and dial Piece 44 connects, and contacts or off-state for keeping plectrum 44 and the second binding post 42 to be in, in order to which plectrum switch 40 repeats It is used for multiple times.Alarm module 50 can receive a plectrum switch 40 transmitting signal after continuous alarm, with improve report Alert effect.
Optionally, the first binding post 41, plectrum 44 and elastic element 45 are an integral structure.The plectrum 44 is conductive gold Belong to paillon.In order to stirring for pointer 32, pointer 32 is not hindered to continue to move.
Further, referring to Fig. 3, plectrum switch 40 further includes third binding post 43, third binding post 43 is arranged in table It is electrically connected on disk 31 and with alarm module 50;First binding post 41 is arranged between the first binding post 41 and the second binding post 42. The clawback protrusion 46 for contacting with pointer 32 is equipped in the middle part of plectrum 44, in order to which pointer 32 can pass through and two when backhaul Plectrum 44 is stirred easily in a direction.
There are three the plectrum switches 40 of binding post to be equivalent to single-pole double-throw switch (SPDT) for tool, when pointer 32 is switched by plectrum for the first time It when 40, stirs plectrum 44 and is contacted with the second binding post 42, cause alarm module 50 and alarm;When 32 backhaul of pointer, again passes by and dial It when piece switch 40, stirs plectrum 44 and is contacted with third binding post 43, release alarm module 50 and alarm.
Further, referring to Fig. 1, one kind as the respirator provided by the invention with pressure alarm function is specific Embodiment, the respirator with pressure alarm function further include control module 60 and pressure release module 70, and control module 60 is distinguished It is electrically connected with pressure detecting module and alarm module 50;Pressure release module 70 is arranged on conduit 13, for letting out to conduit 13 Pressure, and be electrically connected with control module 60.
When pressure detecting module detects that pressure is higher than certain threshold value, signal is passed into control module 60, is controlled While module controls the alarm of alarm module 50, control pressure release module 70 is opened, and carries out pressure release to transformer.Due to remote personnel It comes to need the regular hour, setting pressure release module 70 can carry out a degree of pressure release to transformer, avoid generating safety Hidden danger.
Specifically, pressure release module 70 includes negative pressure bottle 71, relief tube 72 and solenoid valve 73,72 one end of relief tube and conduit 13 Connection, the other end are located in negative pressure bottle 71;The setting of solenoid valve 73 is electrically connected on relief tube 72, and with control module 60.
Solenoid valve 73 is opened after receiving the signal of control module 60, in one attracted in downcomer 13 of negative pressure bottle 71 Point oil stream enters negative pressure bottle 71, reduces the pressure of inside transformer.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (10)

1. a kind of respirator with pressure alarm function, including respirator ontology, the respirator ontology includes for accommodating The tank body of filtering body, the lubricating cup positioned at the tank body lower part, one end is connected to conservator and the other end is located at leading in the lubricating cup Pipe, which is characterized in that further include:
Pressure-measuring pipe is arranged on the tank body or the conduit and is connected to the tank interior;
Pressure detecting module is arranged on the pressure-measuring pipe for measuring the pressure inside the pressure-measuring pipe;And
Alarm module is electrically connected with the pressure sensor, is used for signal an alert.
2. having the respirator of pressure alarm function as described in claim 1, which is characterized in that the pressure detecting module packet It includes:
Pressure gauge is arranged on the pressure-measuring pipe, and has dial plate and pointer;And
Plectrum switch is arranged on the dial plate and is electrically connected with the alarm module, and stirs triggering closure by the pointer Or it disconnects.
3. having the respirator of pressure alarm function as claimed in claim 2, which is characterized in that the plectrum, which switchs, includes:
First binding post is arranged on the dial plate and is electrically connected with the alarm module;
Second binding post is arranged on the dial plate and is electrically connected with the alarm module;And
Plectrum, one end and first binding post are rotatablely connected, and the other end with second binding post for contacting.
4. having the respirator of pressure alarm function as claimed in claim 3, it is characterised in that: be equipped with and use in the middle part of the plectrum In the clawback protrusion with the pointer contact.
5. having the respirator of pressure alarm function as claimed in claim 3, which is characterized in that the plectrum switch also wraps It includes:
Elastic element is connect with first binding post and the plectrum respectively, for keeping the plectrum to connect with described second Terminal is in contact or off-state.
6. having the respirator of pressure alarm function as claimed in claim 5, it is characterised in that: first binding post, institute It states plectrum and the elastic element is an integral structure.
7. such as the described in any item respirators with pressure alarm function of claim 3-6, which is characterized in that the plectrum is Conductive metal paillon.
8. having the respirator of pressure alarm function as described in claim 1, which is characterized in that further include:
Control module is electrically connected with the pressure detecting module and the alarm module respectively;And
Pressure release module is arranged on the conduit, for carrying out pressure release to the conduit, and is electrically connected with the control module.
9. having the respirator of pressure alarm function as described in claim 1, which is characterized in that the pressure release module includes:
Negative pressure bottle;
Relief tube, one end are connected to the conduit, and the other end is located in the negative pressure bottle;And
Solenoid valve, setting are electrically connected on the relief tube, and with the control module.
10. having the respirator of pressure alarm function as described in claim 1, it is characterised in that: the alarm module includes One of loudspeaker, indicator light, wireless signal transceiver are a variety of.
CN201811649483.2A 2018-12-30 2018-12-30 Respirator with pressure alarm function Active CN109559873B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811649483.2A CN109559873B (en) 2018-12-30 2018-12-30 Respirator with pressure alarm function

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CN109559873A true CN109559873A (en) 2019-04-02
CN109559873B CN109559873B (en) 2020-04-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115060413A (en) * 2022-04-15 2022-09-16 广东电网有限责任公司广州供电局 Transformer and gas monitoring and controlling method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030206110A1 (en) * 2002-05-02 2003-11-06 Miller Kenneth G. Low pressure alarm assembly
CN202454391U (en) * 2012-03-09 2012-09-26 邢台供电公司 Warning type breathing device for power transformer
CN202901824U (en) * 2012-11-12 2013-04-24 上海库伟金属科技有限公司 Leakproof warning device of gas bottle
CN104807591A (en) * 2015-05-13 2015-07-29 国网辽宁省电力有限公司盘锦供电公司 Pressure monitoring and warning system in breather of transformer
CN105403345A (en) * 2015-12-17 2016-03-16 深圳市谣辰科技有限公司 Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system
CN205909851U (en) * 2016-07-06 2017-01-25 中国南方电网有限责任公司超高压输电公司广州局 Transformer stores up blocking detector of oil tank respirator
CN206573253U (en) * 2017-03-13 2017-10-20 宝船生物医药科技(上海)有限公司 A kind of pressure alarm dial plate
CN207029411U (en) * 2017-06-14 2018-02-23 重庆天盛仪表有限公司 Press light-changing type motorcycle instrument

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030206110A1 (en) * 2002-05-02 2003-11-06 Miller Kenneth G. Low pressure alarm assembly
CN202454391U (en) * 2012-03-09 2012-09-26 邢台供电公司 Warning type breathing device for power transformer
CN202901824U (en) * 2012-11-12 2013-04-24 上海库伟金属科技有限公司 Leakproof warning device of gas bottle
CN104807591A (en) * 2015-05-13 2015-07-29 国网辽宁省电力有限公司盘锦供电公司 Pressure monitoring and warning system in breather of transformer
CN105403345A (en) * 2015-12-17 2016-03-16 深圳市谣辰科技有限公司 Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system
CN205909851U (en) * 2016-07-06 2017-01-25 中国南方电网有限责任公司超高压输电公司广州局 Transformer stores up blocking detector of oil tank respirator
CN206573253U (en) * 2017-03-13 2017-10-20 宝船生物医药科技(上海)有限公司 A kind of pressure alarm dial plate
CN207029411U (en) * 2017-06-14 2018-02-23 重庆天盛仪表有限公司 Press light-changing type motorcycle instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115060413A (en) * 2022-04-15 2022-09-16 广东电网有限责任公司广州供电局 Transformer and gas monitoring and controlling method thereof

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