CN112071596B - Power transformer with running state alarm - Google Patents

Power transformer with running state alarm Download PDF

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Publication number
CN112071596B
CN112071596B CN202010773587.5A CN202010773587A CN112071596B CN 112071596 B CN112071596 B CN 112071596B CN 202010773587 A CN202010773587 A CN 202010773587A CN 112071596 B CN112071596 B CN 112071596B
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CN
China
Prior art keywords
transformer
shell
fixedly connected
alarm
mounting
Prior art date
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Active
Application number
CN202010773587.5A
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Chinese (zh)
Other versions
CN112071596A (en
Inventor
蔡新军
乔胜奇
蔡一帆
张嵫焓
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
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
Lincheng 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
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
Lincheng 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, Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd, Lincheng Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202010773587.5A priority Critical patent/CN112071596B/en
Publication of CN112071596A publication Critical patent/CN112071596A/en
Application granted granted Critical
Publication of CN112071596B publication Critical patent/CN112071596B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/025Constructional details relating to cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/04Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)

Abstract

The invention discloses a power transformer with an operation state alarm, which comprises a transformer shell, wherein the top of the transformer shell is provided with a connecting hole, the top of the transformer shell is fixedly connected with the bottom of an alarm lamp near the left side of the connecting hole, the connecting hole is sleeved with an electrode connecting column, the bottom of an electrode connecting column in the transformer shell is fixedly connected with the top of a transformer body, the bottom of the transformer body is fixedly connected with the top of a supporting frame, the bottom of the supporting frame is fixedly connected with the inner bottom of the transformer shell, and the left side of the transformer shell is fixedly connected with the right side of the alarm shell near the bottom. This power transformer with running state alarm, motor drive smoking fan rotates always, when the transformer operation was on fire, the smoking fan can be very first time with the interior cigarette of being caused by the fire of vary voltage shell inhale into the cigarette cover in, smoke inductor in the cigarette cover senses the cigarette, buzzer and alarm lamp work, timely emission alarm signal for the fire can not spread, produces great conflagration.

Description

Power transformer with running state alarm
Technical Field
The invention relates to the technical field of transformers, in particular to a power transformer with an operation state alarm.
Background
A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers), and the like. The method can be divided into the following according to the purposes: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, medium frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, transformers, etc.). The transformer is mainly composed of an iron core (or a magnetic core) and a coil, the coil is provided with two or more windings, wherein the windings connected with a power supply are called primary coils, and the other windings are called secondary coils. It can transform ac voltage, current and impedance. The simplest iron core transformer consists of an iron core made of soft magnetic material and two coils with unequal turns sleeved on the iron core.
The existing transformer has single function, can only realize the transformation function, can not monitor the self-generated running state in real time in the running process, can not give an alarm in time when the fire disaster occurs due to unstable voltage and heavy current, and the existing transformer hung on the telegraph pole can be directly and naked placed on the telegraph pole, so that the damage of the transformer is very easy to cause, and the power transformer with the running state alarm is required to be invented.
Disclosure of Invention
The present invention is directed to a power transformer with an operational status alarm, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a power transformer with running state alarm, includes the vary voltage shell, the connecting hole has been seted up at vary voltage shell top, vary voltage shell top is close to connecting hole left side fixed connection alarm lamp bottom, the connecting hole cup joints the electrode spliced pole, vary voltage shell inner electrode spliced pole bottom fixed connection vary voltage body top, vary voltage body bottom fixed connection support frame top, support frame bottom fixed connection vary voltage shell inner bottom, vary voltage shell left side is close to bottom fixed connection alarm shell right side, set up by bee calling organ in the alarm shell, left lower corner bottom smoke vent in the vary voltage shell, vary voltage shell bottom corresponds smoke vent fixed connection and advances cigarette cover bottom, advance cigarette cover inner wall fixed connection motor frame both ends, motor frame middle part fixed connection motor middle part, motor top fixed connection smoking fan, advance cigarette cover inner wall and be close to motor bottom fixed connection smoke inductor.
Preferably, the middle part has been seted up at the connecting hole in the transformer housing, joint annular groove joint ring, the interior fixed connection dust separation seal cone outer lane of joint ring, the sealed taper sleeve joint electrode spliced pole of dust separation, the fixed bulge loop of joint ring top and bottom fixed connection, the fixed bulge loop has been seted up to the transformer housing corresponding fixed bulge loop in the joint annular groove, fixed bulge loop joint fixed bulge loop.
Preferably, the transformer shell is close to the connecting hole outer lane and has seted up the installation annular, the transformer shell is close to the installation annular bottom and has seted up the installation convex ring groove, installation convex ring groove and installation annular joint installation convex ring and collar, installation convex ring top fixed connection collar bottom, collar top fixed connection installation lid bottom, electrode spliced pole is cup jointed at the installation lid top.
Preferably, the transformer housing is internally and fixedly connected with an insulating power supply box close to the back of the smoke inlet sleeve, the insulating power supply box is internally and fixedly connected with a power supply, and the power supply is electrically connected with a motor, a smoke sensor, a buzzer and an alarm lamp.
Preferably, the connecting holes are arranged at the top of the transformer shell at equal intervals, and the three connecting holes and the alarm lamp are coaxial and are arranged in the middle of the top of the transformer shell.
Preferably, the blind window is fixedly connected to two sides of the variable-pressure shell, the blind window is provided with two blind windows which are distributed on the left side and the right side of the variable-pressure shell, the variable-pressure shell is provided with an air outlet corresponding to the blind window, and the size of the air outlet is equal to that of the blind window.
Preferably, the smoke exhaust hole is communicated with the smoke inlet sleeve, and the diameter of the smoke exhaust hole is equal to that of the smoke inlet sleeve.
Preferably, the dust separation sheets are provided with four dust separation sheets which are distributed at the bottom of the inner wall of the smoke inlet sleeve at equal intervals, and the dust separation sheets are inclined rightwards by an angle of 30 degrees.
Preferably, the left side of the alarm shell is provided with a sounding hole corresponding to the buzzer, the inner wall of the top of the smoke inlet sleeve is fixedly connected with the periphery of the dust separation net, and the inner wall of the bottom of the smoke inlet sleeve is fixedly connected with two ends of the dust separation sheet.
Preferably, the number of the electrode connecting columns is three, and the electrode connecting columns are distributed at the top of the transformer at equal intervals.
Compared with the prior art, the invention has the beneficial effects that:
1. this power transformer with running state alarm, through the smoke inductor that sets up, the motor drives the smoking fan and rotates always, when the transformer operation was on fire, the smoking fan can be very first time with the interior cigarette of being caused by the fire of vary voltage shell inhale into the cigarette cover in, smoke inductor in the cigarette cover senses the cigarette, buzzer and alarm lamp work, timely emission alarm signal for the fire can not spread, produces great conflagration.
2. This power transformer with running state alarm, through the transformer shell and the shutter that set up, can be when external use, through timely protection transformer body and other electronic device of transformer shell, effectual isolated traditional transformer directly suffer the wind and rain at external to the shortcoming of easy damage, and the shutter can be timely with the heat dissipation of transformer body man-hour, make the transformer remain under normal operational environment all the time, can prolong the life of transformer.
3. This power transformer with running state alarm through the installation lid and the sealed awl of dust separation that set up, can cup joint with electrode spliced pole minimum diameter department to can reach good double seal effect, make external rainwater and wind dust can not directly enter into the transformer housing from the top in, cause irrecoverable damage to the electronic component in the transformer housing, through the life of further extension transformer.
Drawings
FIG. 1 is a schematic perspective view of a transformer housing;
FIG. 2 is a schematic diagram of the internal structure of the cross section of the present invention;
FIG. 3 is a schematic view of an electrode connecting column structure;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A;
FIG. 5 is an enlarged schematic view of the structure shown at B in FIG. 3;
Fig. 6 is a schematic diagram of the cooperation of the structure of the smoking fan, the buzzer and the like.
In the figure: the device comprises a voltage transformation shell, a2 connecting hole, a 3 alarm lamp, a4 shutter, a 5 electrode connecting column, a 6 air outlet, a 7 smoke inlet sleeve, an 8 alarm shell, a 9 transformer, a10 support frame, a 11 mounting cover, a 12 dust isolation sealing cone, a 13 dust isolation net, a 14 mounting ring, a 15 mounting ring groove, a 16 motor frame, a 17 mounting convex ring groove, a 18 mounting convex ring, a 19 fixing convex ring, a 20 clamping ring groove, a 21 fixing convex ring groove, a 22 clamping ring, a 23 sounding hole, a 24 smoke absorption fan, a 25 motor, a 26 buzzer, a 27 insulating power supply box, a 28 smoke sensor, a 29 dust isolation sheet and a 30 smoke exhaust hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a power transformer with running state alarm, including the transformer shell 1, the connecting hole 2 has been seted up at transformer shell 1 top, transformer shell 1 top is close to connecting hole 2 left side fixed connection alarm lamp 3 bottom, connecting hole 2 is provided with three equidistant distribution at transformer shell 1 top, and three connecting hole 2 and alarm lamp 3 same axis and be provided with the centre at transformer shell 1 top, connecting hole 2 cup joints electrode spliced pole 5, electrode spliced pole 5 is provided with three, equidistant distribution is at transformer 9 tops, transformer shell 1 has seted up joint annular 20 at connecting hole 2 in the middle part, joint annular 20 joint ring 22, joint ring 22 inner circle fixed connection dust separation seal cone 12 outer lane, dust separation seal cone 12 cup joints electrode spliced pole 5, joint ring 22 top and bottom fixed connection solid convex ring 19, transformer shell 1 has seted up solid convex ring 21 in joint annular 20 corresponding solid convex ring 19, the fixed convex ring groove 21 is clamped with the fixed convex ring 19, the mounting ring groove 15 is arranged on the outer ring of the transformer shell 1 close to the connecting hole 2, the mounting convex ring groove 17 is arranged on the bottom of the transformer shell 1 close to the mounting ring groove 15, the mounting convex ring groove 17 and the mounting ring groove 15 are clamped with the mounting convex ring 18 and the mounting ring 14, the top of the mounting convex ring 18 is fixedly connected with the bottom of the mounting ring 14, the top of the mounting ring 14 is fixedly connected with the bottom of the mounting cover 11, the top of the mounting cover 11 is sleeved with the electrode connecting column 5, the minimum diameter of the electrode connecting column 5 is sleeved with the mounting cover and the dust-proof sealing cone 12, thereby achieving good double sealing effect, leading external rainwater and wind dust not to directly enter the transformer shell 1 from the top, causing irrecoverable damage to electronic devices in the transformer shell 1, the bottom of the electrode connecting column 5 in the transformer shell 1 is fixedly connected with the top of the transformer 9, the bottom of the transformer 9 is fixedly connected with the top of the supporting frame 10, the bottom of the supporting frame 10 is fixedly connected with the bottom of the transformer shell 1, two sides of the transformer shell 1 are fixedly connected with the louver 4, the louver 4 is provided with two air outlets 6 distributed on the left side and the right side of the transformer shell 1, the size of the air outlet 6 is equal to that of the louver 4, when the transformer shell 1 and the louver 4 are arranged, the transformer 9 and other electronic devices can be timely protected through the transformer shell 1 when the transformer is externally connected for use, the defect that the traditional transformer is directly subjected to wind and rain in external connection, so that the transformer is easy to damage is effectively isolated, and the louver 4 can timely radiate heat generated by the transformer 9, so that the transformer is always kept under a normal working environment, the service life of the transformer can be prolonged, the left side of the transformer shell 1 is close to the right side of the bottom fixedly connected alarm shell 8, the left side of the transformer shell 1 in the alarm shell 8 is fixedly connected with the right side of a buzzer 26, the left side of the alarm shell 8 is provided with a sounding hole 23 corresponding to the buzzer 26, the lower corner of the inner seat of the transformer shell 1 is provided with a smoke discharging hole 30 corresponding to the buzzer 26, the bottom of the transformer shell 1 is fixedly connected with the bottom of a smoke inlet sleeve 7, the smoke discharging hole 30 is communicated with the smoke inlet sleeve 7, the diameter of the smoke discharging hole 30 is equal to the diameter of the smoke inlet sleeve 7, the inner wall of the top of the smoke inlet sleeve 7 is fixedly connected with the periphery of a dust separation net 13, the inner wall of the smoke inlet sleeve 7 is close to the bottom of the dust separation net 13 and is fixedly connected with two ends of a motor frame 16, the middle part of the motor frame 16 is fixedly connected with the middle part of a motor 25, the top of the motor 25 is fixedly connected with a smoke sucking fan 24, the inner wall of the bottom of the smoke inlet sleeve 7 is fixedly connected with two ends of a dust separation sheet 29, the dust separation sheet 29 is provided with four equidistant distribution in advance cigarette cover 7 inner wall bottom, and dust separation sheet 29 slope 30 angles to the right, advance cigarette cover 7 inner wall and be close to dust separation sheet 29 top fixed connection smoke inductor 28, smoke inductor 28 model is the MQ-2 module, and MQ-2 module electric connection alarm lamp 3 and buzzer 26, be close to in the pressure change shell 1 and advance cigarette cover 7 back fixed connection insulating power supply case 27, the fixed connection power in insulating power supply case 27, power electric connection motor 25, smoke inductor 28, buzzer 26 and alarm lamp 3, through the smoke inductor 28 of setting, motor 25 drives smoking fan 24 and rotates always, when the transformer operation is on fire, smoking fan 24 can be with the interior cigarette suction of cigarette cover 7 of being caused by the fire of pressure change shell in the first time, smoke inductor 28 in the cigarette cover 7 is smoked, buzzer 26 and alarm lamp 3 work, timely send alarm signal for the fire can not diffuse, produce great conflagration.
When the transformer is in use, the motor 25 drives the smoking fan 24 to rotate all the time, when the transformer is in operation and fires, the smoking fan 24 can suck smoke caused by the fire in the transformer housing into the smoke inlet sleeve 7 at the first time, the smoke sensor 28 in the smoke inlet sleeve 7 senses the smoke, the buzzer 26 and the alarm lamp 3 work, and an alarm signal is timely sent out.
To sum up, this power transformer with running state alarm, through the smoke inductor 28 of setting, motor 25 drives smoking fan 24 and rotates always, when the transformer operation is on fire, smoking fan 24 can be the first time with the interior cigarette of leading to of transformer body 9 is inhaled into in the cigarette cover 7, smoke inductor 28 in the cigarette cover 7 senses the cigarette, buzzer 26 and alarm lamp 3 work, timely emission alarm signal, make the fire can not spread, produce great conflagration, through the transformer body 1 of setting and shutter 4, can be when external use, through the timely protection transformer body 9 of transformer body 1 and other electronic device, effectual isolated traditional transformer is directly suffered the wind and rain in external, thereby the shortcoming of easy damage, and shutter 4 can be timely with the heat dissipation of transformer body 9 man-hour, make the transformer keep in normal operational environment all the time down, can prolong the life of transformer, through the installation lid and the dust seal cone 12 of setting, can cup joint with electrode spliced pole 5 minimum diameter department, thereby can reach good dual seal and can not cause the direct effect of the transformer body 9 to the external device through the dust of protection of transformer body 1, can not damage the top of the transformer body 1, can further be damaged to the external device is unlikely to the top of the external device.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. Power transformer with operational status alarm, comprising a transformer housing (1), characterized in that: the device comprises a transformer shell (1), wherein the top of the transformer shell (1) is provided with a connecting hole (2), the top of the transformer shell (1) is close to the bottom of a warning lamp (3) fixedly connected to the left side of the connecting hole (2), an electrode connecting column (5) is sleeved on the connecting hole (2), the bottom of the electrode connecting column (5) in the transformer shell (1) is fixedly connected with the top of a transformer body (9), the bottom of the transformer body (9) is fixedly connected with the top of a supporting frame (10), the bottom of the supporting frame (10) is fixedly connected with the inner bottom of the transformer shell (1), the left side of the transformer shell (1) is close to the right side of an alarm shell (8) fixedly connected with the bottom of the alarm shell (8), a buzzer (26) is arranged in the alarm shell (8), the bottom of the left lower corner of the inside of the transformer shell (1) is fixedly connected with the bottom of a smoke inlet sleeve (7) correspondingly to the bottom of the smoke inlet (30), the inner wall of the smoke inlet sleeve (7) is fixedly connected with two ends of a motor frame (16), the middle of the motor frame (16) is fixedly connected with the middle of a motor (25), the top of the motor (25) is fixedly connected with the bottom of the motor (25), and the fan (24) is close to the bottom of the inner wall of the smoke inlet sleeve (25) fixedly connected with the smoke inlet (28);
The transformer is characterized in that a clamping ring groove (20) is formed in the middle of the inside of the connecting hole (2) of the transformer shell (1), the clamping ring groove (20) is clamped with a clamping ring (22), the inner ring of the clamping ring (22) is fixedly connected with the outer ring of the dust-proof sealing cone (12), the dust-proof sealing cone (12) is sleeved with the electrode connecting column (5), the top and the bottom of the clamping ring (22) are fixedly connected with a fixed convex ring (19), a fixed convex ring groove (21) is formed in the transformer shell (1) corresponding to the fixed convex ring (19) in the clamping ring groove (20), and the fixed convex ring (19) is clamped with the fixed convex ring (21);
The transformer is characterized in that the transformer shell (1) is close to the outer ring of the connecting hole (2) and provided with a mounting annular groove (15), the transformer shell (1) is close to the bottom of the mounting annular groove (15) and provided with a mounting convex annular groove (17), the mounting convex annular groove (17) and the mounting annular groove (15) are clamped with a mounting convex ring (18) and a mounting ring (14), the top of the mounting convex ring (18) is fixedly connected with the bottom of the mounting ring (14), the top of the mounting ring (14) is fixedly connected with the bottom of the mounting cover (11), and the top of the mounting cover (11) is sleeved with the electrode connecting column (5).
2. A power transformer with an operational status alarm according to claim 1, characterized in that: the transformer is characterized in that an insulating power box (27) is fixedly connected to the back of the smoke inlet sleeve (7) in the transformer shell (1), a power supply is fixedly connected to the inside of the insulating power box (27), and the power supply is electrically connected with a motor (25), a smoke sensor (28), a buzzer (26) and an alarm lamp (3).
3. A power transformer with an operational status alarm according to claim 1, characterized in that: the connecting holes (2) are arranged at the top of the transformer housing (1) at equal intervals, and the three connecting holes (2) and the alarm lamp (3) are coaxial and are arranged in the middle of the top of the transformer housing (1).
4. A power transformer with an operational status alarm according to claim 1, characterized in that: the utility model discloses a variable-pressure air conditioner, including variable-pressure shell (1), shutter (4) are connected to both sides fixed connection shutter (4), shutter (4) are provided with two and distribute in variable-pressure shell (1) left side and right side, air outlet (6) have been seted up to variable-pressure shell (1) corresponding shutter (4), air outlet (6) size equals shutter (4) size.
5. A power transformer with an operational status alarm according to claim 1, characterized in that: the smoke exhaust hole (30) is communicated with the smoke inlet sleeve (7), and the diameter of the smoke exhaust hole (30) is equal to the diameter of the smoke inlet sleeve (7).
6. A power transformer with an operational status alarm according to claim 1, characterized in that: the dust separation sheets (29) are arranged at the bottom of the inner wall of the smoke inlet sleeve (7) at equal intervals, and the dust separation sheets (29) incline rightwards by an angle of 30 degrees.
7. A power transformer with an operational status alarm according to claim 1, characterized in that: sounding holes (23) are formed in the left side of the alarm shell (8) corresponding to the buzzer (26), the inner wall of the top of the smoke inlet sleeve (7) is fixedly connected with the periphery of the dust separation net (13), and the inner wall of the bottom of the smoke inlet sleeve (7) is fixedly connected with two ends of the dust separation sheet (29).
8. A power transformer with an operational status alarm according to claim 1, characterized in that: the three electrode connecting columns (5) are arranged and distributed at the top of the transformer body (9) at equal intervals.
CN202010773587.5A 2020-08-04 2020-08-04 Power transformer with running state alarm Active CN112071596B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010773587.5A CN112071596B (en) 2020-08-04 2020-08-04 Power transformer with running state alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010773587.5A CN112071596B (en) 2020-08-04 2020-08-04 Power transformer with running state alarm

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Publication Number Publication Date
CN112071596A CN112071596A (en) 2020-12-11
CN112071596B true CN112071596B (en) 2024-04-19

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202632996U (en) * 2012-04-19 2012-12-26 湖南省醴陵市华电高压电瓷电器制造有限公司 Sealed transformer porcelain bushing
CN203055635U (en) * 2012-12-17 2013-07-10 福建联合电工电瓷集团有限公司 Transformer porcelain cover
CN203941800U (en) * 2014-07-21 2014-11-12 红旗集团温州变压器有限公司 The sleeve pipe of oil-filled transformer and the hermetically-sealed construction of case lid
CN205428645U (en) * 2016-03-14 2016-08-03 山东特变电力设备有限公司 Oily formula transformer of prevention of seepage water
CN107895634A (en) * 2017-12-01 2018-04-10 黄久兰 A kind of safe AC transformer
CN207529786U (en) * 2017-10-10 2018-06-22 苏州翰为电气科技有限公司 Liquid immersion type power equipment epoxy resin bushing
CN108922106A (en) * 2018-07-03 2018-11-30 芜湖瑞芬莱网络科技有限公司 A kind of smog sensor alarm
CN210272025U (en) * 2019-04-03 2020-04-07 江苏金安电气有限公司 Corrosion-resistant high-voltage direct-current sleeve
CN210865004U (en) * 2019-10-18 2020-06-26 张新宇 Quick alarm system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202632996U (en) * 2012-04-19 2012-12-26 湖南省醴陵市华电高压电瓷电器制造有限公司 Sealed transformer porcelain bushing
CN203055635U (en) * 2012-12-17 2013-07-10 福建联合电工电瓷集团有限公司 Transformer porcelain cover
CN203941800U (en) * 2014-07-21 2014-11-12 红旗集团温州变压器有限公司 The sleeve pipe of oil-filled transformer and the hermetically-sealed construction of case lid
CN205428645U (en) * 2016-03-14 2016-08-03 山东特变电力设备有限公司 Oily formula transformer of prevention of seepage water
CN207529786U (en) * 2017-10-10 2018-06-22 苏州翰为电气科技有限公司 Liquid immersion type power equipment epoxy resin bushing
CN107895634A (en) * 2017-12-01 2018-04-10 黄久兰 A kind of safe AC transformer
CN108922106A (en) * 2018-07-03 2018-11-30 芜湖瑞芬莱网络科技有限公司 A kind of smog sensor alarm
CN210272025U (en) * 2019-04-03 2020-04-07 江苏金安电气有限公司 Corrosion-resistant high-voltage direct-current sleeve
CN210865004U (en) * 2019-10-18 2020-06-26 张新宇 Quick alarm system

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