CN112698239A - Portable mutual inductor polarity tester - Google Patents

Portable mutual inductor polarity tester Download PDF

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Publication number
CN112698239A
CN112698239A CN202011246034.0A CN202011246034A CN112698239A CN 112698239 A CN112698239 A CN 112698239A CN 202011246034 A CN202011246034 A CN 202011246034A CN 112698239 A CN112698239 A CN 112698239A
Authority
CN
China
Prior art keywords
copper
plate
shell
heat dissipation
power supply
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.)
Pending
Application number
CN202011246034.0A
Other languages
Chinese (zh)
Inventor
常亮
席文娣
李晓铎
常青
常桐源
侯军
郭淑新
刘小康
蔡婷婷
于磊
孟鹏
马新勇
孙稳稳
董沛沣
张毅
王建
王勉
李莉
张莉
郭金峰
王德涛
李永伟
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.)
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Zibo Power Supply Co of State Grid Shandong 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.)
Filing date
Publication date
Application filed by Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN202011246034.0A priority Critical patent/CN112698239A/en
Publication of CN112698239A publication Critical patent/CN112698239A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832Specific tests of electronic circuits not provided for elsewhere
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing

Abstract

The invention discloses a portable mutual inductor polarity tester, which comprises: the testing device comprises a shell, a first testing circuit and a second testing circuit are arranged in the shell, and a knob and a third switch are further arranged in the shell; a cover plate; the adjustable power supply is electrically connected with an illuminating lamp and an ammeter, and the inside of the shell is provided with a power supply; the heat dissipation aluminum plate comprises a heat dissipation aluminum plate, wherein a pressing pipe is welded on the inner side of the heat dissipation aluminum plate, an aluminum plate is arranged at the upper end of the pressing pipe, a copper plate is arranged at the upper end of the aluminum plate, a plurality of copper pipes penetrating through the copper plate are arranged on two sides of the copper plate, and an insulating plate is bonded on the upper surface of each copper pipe; the structure of the copper plate and the aluminum plate arranged in the inner part can provide a heat dissipation effect on the inner structure, the structure contacting the aluminum plate conducts heat, the heat is circulated through the copper plate and the copper pipe, and finally the heat is sent to the inner part of the pressure pipe at the bottom and is led out by the side heat dissipation aluminum sheet, so that the structure has a strong heat dissipation effect.

Description

Portable mutual inductor polarity tester
Technical Field
The invention relates to the field of polarity test, in particular to a portable mutual inductor polarity tester.
Background
The instrument transformer polarity tester is a device for detecting the anode and the cathode of a circuit, and is used for avoiding the problem of damage caused by reversely connecting the anode and the cathode of the circuit during construction.
And current mutual-inductor polarity tester is when carrying out the use, only possesses single set of wiring port under most circumstances, can not satisfy the user demand to its inside heat radiation structure of being equipped with of current mutual-inductor polarity tester only dispels the heat through seting up the heat dissipation notch at the avris, and this kind of structure can't carry out long-time use.
Disclosure of Invention
The invention aims to provide a portable mutual inductor polarity tester to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a portable transformer polarity tester, comprising:
a shell body, a plurality of first connecting rods and a plurality of second connecting rods,
the inside of the shell comprises a first test loop and a second test loop, and the inside of the shell is also provided with a knob and a third switch;
a cover plate;
an adjustable power supply is arranged on the base,
the adjustable power supply is electrically connected with an illuminating lamp and an ammeter, and the inside of the shell is provided with a shell;
the heat dissipation aluminum sheet, the inboard welding of heat dissipation aluminum sheet has the pipe of pressing, press the upper end of pipe to seted up aluminum plate, the copper has been seted up to aluminum plate's upper end, a plurality of copper pipes that run through are seted up to the both sides of copper, the last surface bonding of copper pipe has the insulation board.
The first test loop comprises a first switch, a first display lamp, a second switch, a second display lamp, a buzzer and an electroscope, and the second test loop is consistent with the first test loop in structure.
The first test circuit further comprises a first wire inlet end and a first wire outlet end, the second test circuit further comprises a second wire inlet end and a second wire outlet end, and mutual inductors are arranged between the first wire inlet end and the first wire outlet end and between the second wire inlet end and the second wire outlet end.
The first wire outlet end is electrically connected with the positive electrode and the negative electrode of the ammeter, and the second wire outlet end is electrically connected with the positive electrode and the negative electrode of the ammeter.
The copper plate is of a hollow copper plate structure with an internal cavity sealed at the outside, and a plurality of penetrating threaded holes are formed in the surface of the copper plate.
The pressure pipe is a copper plate formed by flattening a plurality of hollow copper pipes, and the inner side of the heat dissipation aluminum sheet is provided with an aluminum strip penetrating to the other side of the pressure pipe.
The heat dissipation aluminum sheet penetrates through the position, on the lower side, of the outer side of the shell, the heat dissipation aluminum sheet is vertical, and the copper plate and the aluminum plate are arranged inside the shell.
The cover plate is hinged with the shell, and a sealing plate is arranged at the joint of the shell and the edge of the cover plate.
The adjustable power supply, the illuminating lamp and the ammeter are all arranged inside the shell, a fourth switch electrically connected with the illuminating lamp is further arranged inside the shell, and a fifth switch electrically connected with the adjustable power supply is further arranged inside the shell.
The adjustable power supply adopts a W317 series adjustable voltage-stabilized power supply, and the voltage adjusting range of the adjustable power supply is 1.25V-30.0V.
Compared with the prior art, the invention has the beneficial effects that:
1. through inside copper and the aluminum plate structure of seting up, can provide the radiating effect to inner structure, will contact aluminum plate's structure and conduct heat, the heat circulates through copper and copper pipe, sends to the last pipe of bottom and presses the intraductal heat dissipation aluminum sheet by the avris of pressing and derives, possesses extremely strong radiating effect.
2. The adjustable operation structure is provided through the first test circuit, the second test circuit and the adjustable power supply, not only two sets of detection circuits can be provided, but also the two sets of detection circuits can be matched and adjusted, and the adjustment and the control are carried out according to the difference of the wire inlet end and the wire outlet end, so that the operation is more flexible, and the adjustable operation structure has a convex beneficial effect.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a circuit diagram illustrating the operation of the present invention;
FIG. 3 is a partial circuit diagram of a first test loop of the present invention;
FIG. 4 is a partial circuit diagram of a second side view loop of the present invention;
FIG. 5 is a circuit diagram of the adjustable power supply of the present invention;
FIG. 6 is a side view of the present invention;
FIG. 7 is a top view of the present invention with the internal electronics removed;
fig. 8 is a structural schematic view of the copper plate of the present invention.
In FIGS. 1-8: 10-a housing; 11-a sealing plate; 12-a first incoming line end; 13-a first outlet terminal; 14-a second incoming line end; 15-a second outlet terminal; 16-a first test loop; 161-a first switch; 162-a first display light; 163-a second switch; 164-a second display light; 165-a buzzer; 166-electroscope; 17-a second test loop; 18-a knob; 19-a third switch; 20-cover plate; 30-an adjustable power supply; 31-an illumination lamp; 32-a fourth switch; 33-a fifth switch; 34-an ammeter; 40-heat dissipation aluminum sheets; 41-aluminum plate; 42-copper plate; 43-an insulating plate; 44-copper tubing; 45-pressing the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 5, the present invention provides a technical solution: an adjustable power and lighting structure comprising:
the housing 10 is provided with a plurality of openings,
a knob 18 and a third switch 19 are further arranged inside the shell 10; adjustable power supply 30, light 31 and ampere meter 34 all set up in the inside of casing 10, the fourth switch 32 with light 31 electric connection has still been seted up to the inside of casing 10, the fifth switch 33 with adjustable power supply 30 electric connection has still been seted up to the inside of casing 10, and third switch 19 is arranged in connecting adjustable power supply 30's the adjustable resistance RP in the circuit, when opening third switch 19, can adjust the size of adjustable resistance RP through knob 18, and then realize the regulation of circuit voltage, and fourth switch 33 is used for controlling the demonstration of light 31, and fifth switch 33 is used for controlling opening and closing of adjustable power supply 30.
Example two
Referring to fig. 6-8, the present invention provides a technical solution, a high-efficiency heat dissipation structure; comprises that
Radiating aluminum sheet 40, the inboard welding of radiating aluminum sheet 40 has pressure pipe 45, press the upper end of pipe 45 to seted up aluminum plate 41, copper 42 has been seted up to aluminum plate 41's upper end, a plurality of copper pipes 44 that run through are seted up to copper 42's both sides, the last surface bonding of copper pipe 44 has insulation board 43.
The copper 42 is a hollow copper plate structure with an internal cavity sealed outside, a plurality of threaded holes are formed in the surface of the copper 42, the pressure pipe 45 is a copper plate formed by a plurality of hollow copper pipes after being flattened, an aluminum strip penetrating to the other side of the pressure pipe 45 is formed in the inner side of the heat dissipation aluminum sheet 40, the heat dissipation aluminum sheet 40 penetrates through the position, on the lower side, of the outer side of the shell 10, the heat dissipation aluminum sheet 40 is vertical, and the copper 42 and the aluminum sheet 41 are arranged inside the shell 10.
The theory of operation, heat follow copper 42 and send into aluminum plate 41 through copper pipe 44 and direct contact's mode, and the pipe 45 is pressed to the direct transfer bottom of aluminum plate 41's heat, presses the temperature in the pipe 45 to pass through the aluminium strip and transmits to aluminum sheet 40, and the temperature of aluminum sheet 40 is excessive scattered from the outside to at heat dissipation aluminum sheet 40.
EXAMPLE III
Referring to fig. 1-8, the present invention provides a technical solution: a portable transformer polarity tester, comprising:
the housing 10 is provided with a plurality of openings,
wherein, the inside of the housing 10 is further provided with a knob 18 and a third switch 19; adjustable power supply 30, light 31 and ampere meter 34 are all seted up in the inside of casing 10, the fourth switch 32 with light 31 electric connection is still seted up to the inside of casing 10, the fifth switch 33 with adjustable power supply 30 electric connection is still seted up to the inside of casing 10, and third switch 19 is arranged in connecting adjustable power supply 30's circuit adjustable resistance RP, when opening third switch 19, can adjust adjustable resistance RP's size through knob 18, and then realize the regulation of circuit voltage, and fourth switch 33 is used for controlling the demonstration of light 31, and fifth switch 33 is used for controlling opening and closing of adjustable power supply 30
A cover plate 20;
the power supply is adjustable with respect to the power supply 30,
the adjustable power supply 30 is electrically connected with an illuminating lamp 31 and an ammeter 34, and the inside of the shell 10;
a pressure pipe 45 is welded on the inner side of the heat dissipation aluminum sheet 40, an aluminum plate 41 is arranged at the upper end of the pressure pipe 45, a copper plate 42 is arranged at the upper end of the aluminum plate 41, a plurality of copper pipes 44 penetrating through the copper plate 42 are arranged on two sides of the copper plate 42, and an insulating plate 43 is bonded on the upper surface of each copper pipe 44;
the copper 42 is a hollow copper plate structure with an internal cavity sealed outside, a plurality of threaded holes are formed in the surface of the copper 42, the pressure pipe 45 is a copper plate formed by a plurality of hollow copper pipes after being flattened, an aluminum strip penetrating to the other side of the pressure pipe 45 is formed in the inner side of the heat dissipation aluminum sheet 40, the heat dissipation aluminum sheet 40 penetrates through the position, on the lower side, of the outer side of the shell 10, the heat dissipation aluminum sheet 40 is vertical, and the copper 42 and the aluminum sheet 41 are arranged inside the shell 10.
Wherein, the inside of the casing 10 includes a first test loop 16 and a second test loop 17, the first test loop 16 includes a first switch 161, a first display lamp 162, a second switch 163, a second display lamp 164, a buzzer 165 and an electroscope 166, the second test loop 17 has a structure consistent with that of the first test loop 16, the first test loop 16 further includes a first wire inlet end 12 and a first wire outlet end 13, the second test loop 17 further includes a second wire inlet end 14 and a second wire outlet end 15, mutual inductors are respectively disposed between the first wire inlet end 12 and the first wire outlet end 13 and between the second wire inlet end 14 and the second wire outlet end 15, the first wire outlet end 13 is electrically connected with the positive and negative electrodes of the ammeter 34, the second wire outlet end 15 is electrically connected with the positive and negative electrodes of the ammeter 34, the first wire inlet end 12 is connected with the first wire outlet end 13 or the second wire inlet end 14 is connected with the second wire outlet end 15, two different detection structures are realized, the first wire outlet end 13 comprises two ports P1 and P2, the second wire outlet end 15 comprises two ports P3 and P4, the first wire inlet end 12 comprises two ports S1 and S2, the second wire inlet end 14 comprises two ports S3 and S4, the wire inlet end and the wire outlet end can be connected between P1 and P4 and between S1 and S4, when part of the structure is damaged, a temporary detection structure can be provided at one time, and the operation is more flexible;
the cover plate 20 is hinged to the shell 10, a sealing plate 11 is arranged at the joint of the edge of the shell 10 and the cover plate 20, the adjustable power supply 30 adopts a W317 series adjustable voltage-stabilized power supply, and the voltage adjusting range of the adjustable power supply 30 is 1.25V-30.0V.
The working principle is as follows: when the test device is used, the first test circuit 16 and the second test circuit 17 are selected or combined to be detected according to actual requirements, voltage adjustment can be turned on through the third switch 19 in the using process, internal voltage adjustment is performed through the knob 18, when the test device is used, internal heat can be transmitted to the external heat dissipation aluminum sheet 40 through the copper plate 42, the heat transmitted to the heat dissipation aluminum sheet 40 overflows to the outside, the detection result is judged according to the first display lamp 162 and the second display lamp 163, when the first display lamp 162 is lightened, the electrodes are in a reverse connection state, and when the second display lamp 163 is lightened, the electrodes are in a normal connection state.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a portable mutual-inductor polarity tester which characterized in that includes:
a shell (10) which is provided with a plurality of grooves,
the inside of the shell (10) comprises a first test circuit (16) and a second test circuit (17), and the inside of the shell (10) is also provided with a knob (18) and a third switch (19);
a cover plate (20);
an adjustable power supply (30),
the adjustable power supply (30) is electrically connected with an illuminating lamp (31) and an ammeter (34), and the inside of the shell (10) is provided;
heat dissipation aluminum sheet (40), the inboard welding of heat dissipation aluminum sheet (40) has presses pipe (45), press the upper end of pipe (45) to seted up aluminum plate (41), copper (42) have been seted up to the upper end of aluminum plate (41), a plurality of copper pipes (44) that run through are seted up to the both sides of copper (42), the last surface adhesion of copper pipe (44) has insulation board (43).
2. The portable transformer polarity tester of claim 1, further comprising:
the first test loop (16) comprises a first switch (161), a first display lamp (162), a second switch (163), a second display lamp (164), a buzzer (165) and an electroscope (166), and the second test loop (17) and the first test loop (16) are consistent in structure.
3. The portable transformer polarity tester of claim 2, further comprising:
the first test circuit (16) further comprises a first wire inlet end (12) and a first wire outlet end (13), the second test circuit (17) further comprises a second wire inlet end (14) and a second wire outlet end (15), and mutual inductors are arranged between the first wire inlet end (12) and the first wire outlet end (13) and between the second wire inlet end (14) and the second wire outlet end (15).
4. The portable transformer polarity tester of claim 3, further comprising:
the first wire outlet end (13) is electrically connected with the positive electrode and the negative electrode of the ammeter (34), and the second wire outlet end (15) is electrically connected with the positive electrode and the negative electrode of the ammeter (34).
5. The portable transformer polarity tester of claim 1, comprising:
the copper plate (42) is of a hollow copper plate structure with an internal cavity sealed at the outside, and a plurality of penetrating threaded holes are formed in the surface of the copper plate (42).
6. The portable transformer polarity tester of claim 1, further comprising:
the pressing pipe (45) is a copper plate formed by flattening a plurality of hollow copper pipes, and an aluminum strip penetrating to the other side of the pressing pipe (45) is arranged on the inner side of the heat dissipation aluminum sheet (40).
7. The portable transformer polarity tester of claim 1, further comprising:
the heat dissipation aluminum sheet (40) runs through the position of casing (10) outside off the ground, heat dissipation aluminum sheet (40) are vertical form, copper (42) and aluminum plate (41) are seted up in the inside of casing (10).
8. The portable transformer polarity tester of claim 1, comprising:
the cover plate (20) is hinged with the shell (10), and a sealing plate (11) is arranged at the joint of the edge of the shell (10) and the edge of the cover plate (20).
9. The portable transformer polarity tester of claim 1, comprising:
adjustable power supply (30), light (31) and ampere meter (34) are all seted up in the inside of casing (10), fourth switch (32) with light (31) electric connection are still seted up to the inside of casing (10), fifth switch (33) with adjustable power supply (30) electric connection are still seted up to the inside of casing (10).
10. The portable transformer polarity tester of claim 1, comprising:
the adjustable power supply (30) adopts a W317 series adjustable voltage-stabilized power supply, and the voltage adjusting range of the adjustable power supply (30) is 1.25V-30.0V.
CN202011246034.0A 2020-11-10 2020-11-10 Portable mutual inductor polarity tester Pending CN112698239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011246034.0A CN112698239A (en) 2020-11-10 2020-11-10 Portable mutual inductor polarity tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011246034.0A CN112698239A (en) 2020-11-10 2020-11-10 Portable mutual inductor polarity tester

Publications (1)

Publication Number Publication Date
CN112698239A true CN112698239A (en) 2021-04-23

Family

ID=75506408

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011246034.0A Pending CN112698239A (en) 2020-11-10 2020-11-10 Portable mutual inductor polarity tester

Country Status (1)

Country Link
CN (1) CN112698239A (en)

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CN211505854U (en) * 2019-11-28 2020-09-15 武汉市瑞力特电气技术有限公司 Multifunctional electronic transformer comprehensive tester
CN211792466U (en) * 2020-05-09 2020-10-27 武汉南星电力科技有限公司 Frequency conversion mutual inductor comprehensive tester

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CN105259466A (en) * 2015-11-10 2016-01-20 国网山东沂源县供电公司 A mutual inductor polarity test acousto-optic alarm instrument
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CN207408578U (en) * 2017-10-26 2018-05-25 武汉武高电测电气有限公司 A kind of frequency conversion mutual inductor comprehensive tester of reliable working performance
CN108061279A (en) * 2017-12-07 2018-05-22 上海文歆汽车科技有限公司 Car headlamp LED cooling systems
CN208225673U (en) * 2018-02-01 2018-12-11 东莞市一创电子科技有限公司 A kind of New Anti-interference current transformer
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CN211181931U (en) * 2019-12-17 2020-08-04 苏州度飞电气有限公司 Environment-friendly low-noise reactor
CN211406607U (en) * 2019-12-23 2020-09-01 德夫勒智能电网技术(南京)有限公司 Electrical equipment dampproof device
CN110907865A (en) * 2019-12-31 2020-03-24 国网山东省电力公司淄博供电公司 Portable mutual inductor polarity tester
CN211792466U (en) * 2020-05-09 2020-10-27 武汉南星电力科技有限公司 Frequency conversion mutual inductor comprehensive tester

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