CN109559873B - Respirator with pressure alarm function - Google Patents
Respirator with pressure alarm function Download PDFInfo
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- CN109559873B CN109559873B CN201811649483.2A CN201811649483A CN109559873B CN 109559873 B CN109559873 B CN 109559873B CN 201811649483 A CN201811649483 A CN 201811649483A CN 109559873 B CN109559873 B CN 109559873B
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- Prior art keywords
- pressure
- respirator
- alarm
- module
- electrically connected
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000001960 triggered effect Effects 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000741 silica gel Substances 0.000 abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 abstract description 4
- 239000002775 capsule Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 244000208734 Pisonia aculeata Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details 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
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention provides a respirator with a pressure alarm function, which belongs to the technical field of transformer respirators and comprises a respirator body, a pressure measuring pipe, a pressure detection module and an alarm module, wherein the respirator body comprises a tank body for accommodating a silica gel filter body, an oil cup positioned at the lower part of the tank body, and a guide pipe, one end of the guide pipe is communicated with an oil conservator, and the other end of the guide pipe is positioned in the oil cup; the pressure measuring pipe is arranged on the tank body or the conduit and is communicated with the interior of the tank body; the pressure detection module is arranged on the pressure measuring pipe and used for measuring the pressure inside the pressure measuring pipe; the alarm module is electrically connected with the pressure sensor and used for sending out an alarm signal. When the pressure detection device is used, the pressure detection module detects the pressure in the tank body or the conduit, if the pressure is greater than a certain threshold value, the pressure detection module transmits a signal to the alarm module, the alarm module sends out an alarm signal to inform a remote control attendant to overhaul, the problem or fault caused by the unsmooth breathing of the respirator can be effectively avoided, and the safe and stable operation of the transformer is guaranteed.
Description
Technical Field
The invention belongs to the technical field of transformer respirators, and particularly relates to a respirator with a pressure alarm function.
Background
The basic structure of the transformer consists of a transformer body, an oil tank, a cooling device, a protection device, a wire outlet device and transformer oil. The transformer body comprises an iron core, a winding, an insulator, a lead and a tap switch; the oil tank comprises an oil tank body and accessories; the protection device comprises an oil conservator, an oil meter, a safe air passage, a respirator, a temperature measuring element, an oil purifier relay and the like; the wire outlet device comprises high, medium and low voltage porcelain sleeves and the like. The conservator is installed on the upper portion of transformer tank, is connected with transformer tank through the pipeline, and its effect is: containing transformer oil which expands and increases due to the temperature rise of the transformer; the contact surface of the oil and the air is limited, and the degree of wetting and oxidation of the oil is reduced; air bubbles can be prevented from entering the transformer by injecting oil during operation. Conservators generally fall into 2 forms: the capsule type conservator and the diaphragm type conservator have the same function, and the capsule or the diaphragm mainly has the function of isolating oil from air. The gas in the conservator capsule is exchanged with the outside through the respirator. The respirator is also called a moisture absorber, the inside of the respirator is filled with an adsorbent, and the adsorbent is usually allochroic silica gel and has the functions of absorbing moisture in air and reducing transformer oil from being affected with damp and oxidized.
In the rapid development process of the power system, more and more unattended transformer substations are put into operation. Whether the transformer respirator can normally breathe smoothly directly determines the safe and stable operation condition of the transformer, and if the transformer breathes smoothly, oil injection of sealing parts, an oil conservator and a pressure release valve in the transformer body can be caused, so that the pressure of a transformer oil tank can be seriously deformed, and even the transformer is tripped. However, the existing transformer cannot effectively monitor the breathing state of the respirator, so that the potential safety hazard caused by unsmooth breathing of the respirator still exists.
Disclosure of Invention
The invention aims to provide a respirator with a pressure alarm function, and aims to solve the technical problem that the breathing state of the respirator cannot be effectively monitored by using the existing transformer in the prior art, so that potential safety hazards exist.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a respirator with pressure alarm function, includes the respirator body, the respirator body still includes including the jar body that is used for holding the silica gel filter body, the pipe that is located jar oil cup of body lower part, one end and conservator intercommunication and the other end is located the oil cup: the pressure measuring pipe is arranged on the tank body or the conduit and is communicated with the interior of the tank body; the pressure detection module is arranged on the pressure measuring pipe and used for measuring the pressure inside the pressure measuring pipe; and the alarm module is electrically connected with the pressure detection module and used for sending out an alarm signal.
Further, in the respirator with a pressure alarm function, the pressure detection module includes: the pressure gauge is arranged on the pressure measuring pipe and is provided with a dial plate and a pointer; and the shifting piece switch is arranged on the dial plate, is electrically connected with the alarm module and is triggered to be switched on or switched off by the shifting of the pointer.
Further, in the respirator with the pressure alarm function, the poke sheet switch comprises: the first wiring terminal is arranged on the dial plate and is electrically connected with the alarm module; the second wiring terminal is arranged on the dial plate and is electrically connected with the alarm module; and one end of the shifting piece is rotationally connected with the first wiring terminal, and the other end of the shifting piece is used for being in contact with the second wiring terminal.
Furthermore, in the respirator with the pressure alarm function, the middle part of the plectrum is provided with a return protrusion for contacting with the pointer.
Further, in the above respirator with a pressure alarm function, the toggle switch further includes: and the elastic element is respectively connected with the first binding post and the shifting piece and is used for keeping the shifting piece and the second binding post in a contact or disconnection state.
Further, in the respirator with the pressure alarm function, the first binding post, the shifting piece and the elastic element are of an integrated structure.
Further, in the respirator with the pressure alarm function, the pull sheet 44 is a conductive metal foil.
Further, in the respirator with a pressure alarm function, the respirator further comprises: the control module is respectively and electrically connected with the pressure detection module and the alarm module; and the pressure relief module is arranged on the conduit, is used for relieving the pressure of the conduit and is electrically connected with the control module.
Further, in the respirator with a pressure alarm function, the pressure relief module includes: a negative pressure bottle; one end of the pressure relief pipe is communicated with the conduit, and the other end of the pressure relief pipe is positioned in the negative pressure bottle; and the electromagnetic valve is arranged on the pressure relief pipe and is electrically connected with the control module.
Further, in the respirator with the pressure alarm function, the alarm module comprises one or more of a loudspeaker, an indicator light and a wireless signal transceiver.
The respirator with the pressure alarm function has the beneficial effects that: compared with the prior art, when the pressure detection device is used, the pressure detection module detects the pressure in the tank body or the conduit, if the pressure is greater than a certain threshold value, the pressure detection module transmits a signal to the alarm module, and the alarm module sends an alarm signal to inform a remote control attendant to overhaul, so that the problem or fault caused by the unsmooth breathing of the respirator can be effectively avoided, and the safe and stable operation of the transformer is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a respirator with a pressure alarm function according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a toggle portion of a respirator with a pressure alarm function according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a switch portion of a respirator with a pressure alarm function according to still another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
11-a tank body; 12-oil cup; 13-a catheter; 14-a filter body;
20-piezometric tube;
30-pressure gauge; 31-a dial plate; 32-a pointer;
40-a toggle switch; 41-a first terminal post; 42-a second terminal post; 43-a third terminal;
44-a plectrum; 45-a resilient element; 46-a pull-back bump;
50-an alarm module;
60-a control module;
70-a pressure relief module; 71-a negative pressure bottle; 72-pressure relief tube; 73-a solenoid valve;
80-conservator.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a respirator with a pressure alarm function according to the present invention will now be described. The respirator with the pressure alarm function comprises a respirator body, a pressure measuring pipe 20, a pressure detection module and an alarm module 50, wherein the respirator body comprises a tank body 11 for accommodating a silica gel filter body 14, an oil cup 12 positioned at the lower part of the tank body 11, and a guide pipe 13, one end of which is communicated with an oil conservator 80, and the other end of which is positioned in the oil cup 12; the pressure measuring pipe 20 is arranged on the tank body 11 or the conduit 13 and is communicated with the interior of the tank body 11; the pressure detection module is arranged on the pressure measuring pipe 20 and used for measuring the pressure inside the pressure measuring pipe 20; the alarm module 50 is electrically connected to the pressure detection module for emitting an alarm signal.
Compared with the prior art, the respirator with the pressure alarm function provided by the invention has the advantages that when the respirator is used, the pressure detection module detects the pressure in the tank body 11 or the conduit 13, if the pressure is greater than a rated threshold value, the pressure detection module transmits a signal to the alarm module 50, the alarm module 50 sends an alarm signal to inform a remote control attendant to overhaul, so that the problem or fault caused by the unsmooth breathing of the respirator can be effectively avoided, and the safe and stable operation of a transformer is ensured.
Further, referring to fig. 1, as a specific embodiment of the respirator with a pressure alarm function provided by the present invention, the pressure detection module includes a pressure gauge 30 and a toggle switch 40, the pressure gauge 30 is disposed on the pressure measuring tube 20 and has a dial 31 and a pointer 32; the dial switch 40 is arranged on the dial 31 and electrically connected with the alarm module 50, and is triggered to be switched on or switched off by the pointer 32.
Further, referring to fig. 2, the paddle switch 40 includes: the alarm device comprises a first binding post 41, a second binding post 42 and a shifting sheet 44, wherein the first binding post 41 is arranged on the dial 31 and is electrically connected with the alarm module 50; the second terminal 42 is arranged on the dial 31 and electrically connected with the alarm module 50; one end of the pulling piece 44 is rotatably connected with the first binding post 41, and the other end is used for contacting with the second binding post 42.
The position of the paddle switch 40 is at a nominal threshold on the face 31 of the pressure gauge 30. When the pointer 32 passes through the dial switch 40, the dial 44 is shifted, so that the dial 44 is in contact with or disconnected from the second terminal 42, and the alarm module 50 is triggered to alarm.
A plurality of dial switches 40 can be arranged on the dial 31 corresponding to different rated thresholds to control the alarm module 50 to alarm in different modes. The alarm module 50 may be one alarm with different modes or a plurality of alarms respectively associated with the paddle switch 40. The alarm module 50 or alarm may be one or more of a speaker, an indicator light, a wireless signal transceiver device.
Further, the paddle switch 40 further includes an elastic element 45, and the elastic element 45 is respectively connected to the first terminal 41 and the paddle 44, and is used for keeping the paddle 44 in a contact or disconnection state with the second terminal 42, so that the paddle switch 40 can be repeatedly used for multiple times. The alarm module 50 can continuously alarm after receiving the signal transmitted by the one-time toggle switch 40, so as to improve the alarm effect.
Optionally, the first terminal 41, the pick 44 and the resilient element 45 are of unitary construction. The pick 44 is a conductive metal foil. So as to facilitate the dialing of the pointer 32 and not to hinder the continued movement of the pointer 32.
Further, referring to fig. 3, the toggle switch 40 further includes a third terminal 43, and the third terminal 43 is disposed on the dial 31 and electrically connected to the alarm module 50; the first post 41 is disposed between the third post 43 and the second post 42. The middle of the paddle 44 is provided with a setback protrusion 46 for contacting the pointer 32 so that the pointer 32 can easily dial the paddle 44 in both directions, passing and returning.
The toggle switch 40 with three terminals is equivalent to a single-pole double-throw switch, when the pointer 32 passes through the toggle switch 40 for the first time, the toggle piece 44 is toggled to be in contact with the second terminal 42, and the alarm module 50 is triggered to give an alarm; when the pointer 32 returns to pass through the toggle switch 40 again, the toggle piece 44 is in contact with the third terminal 43, and the alarm of the alarm module 50 is released.
Further, referring to fig. 1, as a specific embodiment of the respirator with a pressure alarm function provided by the present invention, the respirator with a pressure alarm function further includes a control module 60 and a pressure relief module 70, wherein the control module 60 is electrically connected to the pressure detection module and the alarm module 50 respectively; the pressure relief module 70 is disposed on the conduit 13, is used for relieving the pressure of the conduit 13, and is electrically connected with the control module 60.
When the pressure detection module detects that the pressure is higher than a certain threshold value, a signal is transmitted to the control module 60, and the control module controls the alarm module 50 to alarm and controls the pressure relief module 70 to be opened to relieve the pressure of the transformer. Because remote personnel arrive in time and need certain time, set up pressure release module 70 and can carry out the pressure release of certain degree to the transformer, avoid producing the potential safety hazard.
Specifically, the pressure relief module 70 includes a negative pressure bottle 71, a pressure relief pipe 72 and an electromagnetic valve 73, wherein one end of the pressure relief pipe 72 is communicated with the conduit 13, and the other end is located in the negative pressure bottle 71; a solenoid valve 73 is disposed on the pressure relief tube 72 and is electrically connected to the control module 60.
The solenoid valve 73 is opened upon receiving a signal from the control module 60, and a part of the oil in the suction downcomer 13 of the negative pressure bottle 71 flows into the negative pressure bottle 71, so that the pressure inside the transformer is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a respirator with pressure alarm function, includes the respirator body, the respirator body is including the jar body that is used for holding the filter body, be located jar oil cup, one end and conservator intercommunication and the other end of jar body lower part are located the pipe in the oil cup, its characterized in that still includes:
the pressure measuring pipe is arranged on the tank body or the conduit and is communicated with the interior of the tank body;
the pressure detection module is arranged on the pressure measuring pipe and used for measuring the pressure intensity inside the pressure measuring pipe; and
the alarm module is electrically connected with the pressure detection module and is used for sending out an alarm signal;
the pressure detection module includes:
the pressure gauge is arranged on the pressure measuring pipe and is provided with a dial plate and a pointer; and
the dial switch is arranged on the dial plate, is electrically connected with the alarm module and is triggered to be switched on or switched off by the pointer;
the paddle switch includes:
the first wiring terminal is arranged on the dial plate and is electrically connected with the alarm module;
the second wiring terminal is arranged on the dial plate and is electrically connected with the alarm module; and
the third binding post is arranged on the dial plate and electrically connected with the alarm module, and the first binding post is arranged between the third binding post and the second binding post;
one end of the poking piece is rotatably connected with the first binding post, and the other end of the poking piece is used for being in contact with the second binding post;
both sides of the middle part of the shifting piece are provided with a dial-back protrusion used for contacting with the pointer, and the shifting piece and the dial-back protrusion form a cross structure.
2. The respirator with pressure alarm function of claim 1, wherein the paddle switch further comprises:
and the elastic element is respectively connected with the first binding post and the shifting piece and is used for keeping the shifting piece and the second binding post in a contact or disconnection state.
3. The respirator with pressure alarm function of claim 2, wherein: the first binding post, the shifting piece and the elastic element are of an integrated structure.
4. The respirator with pressure alarm function of any one of claims 1-3, wherein the paddle is a conductive metal foil.
5. The respirator with pressure alarm function of claim 1, further comprising:
the control module is electrically connected with the pressure detection module and the alarm module respectively; and
and the pressure relief module is arranged on the conduit, is used for relieving the pressure of the conduit, and is electrically connected with the control module.
6. The respirator with pressure alarm function of claim 5, wherein the pressure relief module comprises:
a negative pressure bottle;
one end of the pressure relief pipe is communicated with the conduit, and the other end of the pressure relief pipe is positioned in the negative pressure bottle; and
and the electromagnetic valve is arranged on the pressure relief pipe and is electrically connected with the control module.
7. The respirator with pressure alarm function of claim 1, wherein: the alarm module comprises one or more of a loudspeaker, an indicator light and a wireless signal transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649483.2A CN109559873B (en) | 2018-12-30 | 2018-12-30 | Respirator with pressure alarm function |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
|---|---|
| CN109559873A CN109559873A (en) | 2019-04-02 |
| CN109559873B true CN109559873B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649483.2A Active CN109559873B (en) | 2018-12-30 | 2018-12-30 | Respirator with pressure alarm function |
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| Country | Link |
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| CN (1) | CN109559873B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115060413B (en) * | 2022-04-15 | 2024-06-21 | 广东电网有限责任公司广州供电局 | Transformer and gas monitoring control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6825770B2 (en) * | 2002-05-02 | 2004-11-30 | The Source Enterprises Inc. | Low pressure alarm assembly |
-
2018
- 2018-12-30 CN CN201811649483.2A patent/CN109559873B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
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| CN109559873A (en) | 2019-04-02 |
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