CN109164341A - Enameled wire earth detector - Google Patents
Enameled wire earth detector Download PDFInfo
- Publication number
- CN109164341A CN109164341A CN201810948544.9A CN201810948544A CN109164341A CN 109164341 A CN109164341 A CN 109164341A CN 201810948544 A CN201810948544 A CN 201810948544A CN 109164341 A CN109164341 A CN 109164341A
- Authority
- CN
- China
- Prior art keywords
- conductive component
- enameled wire
- circuit
- detection device
- coil
- 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
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The present invention provides a kind of enameled wire earth detector.A kind of enameled wire earth detector, the warning piece in closed circuit circuit is formed including conductive component and with the conductive component, the conductive component with after motor stator assembling, it can be contacted with the coil enameled wire periphery wall of the motor stator, when coil enameled wire energization and periphery wall breakage, the warning piece can issue alarm signal.A kind of enameled wire earth detector according to the present invention, can accurately detect enameled wire single line leaky, improve the security performance of motor, and structure is simple, compact, and recall rate is high.
Description
Technical field
The invention belongs to motor performance detection technique fields, and in particular to a kind of enameled wire earth detector.
Background technique
When existing detection device carries out stator performance detection, semi-finished product stator is put into detecting tool, it is fixed to motor
Sub- resistance, electric current, power, steering etc. are detected, and are synchronized and are detected to the insulation performance of winding center line circle between phase and phase,
The detection principle diagram of detection device in the prior art is given as shown in Figure 1, and power supply E1 can be individually outer power supply in figure
Source is also possible to only schematically provide in figure with the power supply of detection device such as stator tester one.The detection device
Variable quantity (the i.e. face of waveform is converted by the turn-to-turn short circuit between phase coil and phase coil and strong and weak two kinds of information of discharging
The mode of long-pending and poor pole) it shows, so as to accurately detect the bad shape such as short circuit between two or more phase coils
Condition, but the insulation performance (namely breakage leads to leaky) after the line loss in the device phase coil cannot effectively identify detection,
Motor since current coil and the winding process of stator core teeth portion are by the way of, pole is had there are biggish security risk
Line loss may be caused to hurt coil enameled wire, especially show and be in motor stator axial direction when coiling with wire winding tool contact
The enameled wire of end regions.
Summary of the invention
Therefore, it the technical problem to be solved in the present invention is that providing a kind of enameled wire earth detector, can accurately examine
Enameled wire single line leaky is surveyed, the security performance of motor is improved, structure is simple, compact, and recall rate is high.
To solve the above-mentioned problems, the present invention provides a kind of enameled wire earth detector, including conductive component and with
The conductive component forms the warning piece in closed circuit circuit, the conductive component with after motor stator assembling, can with it is described
The coil enameled wire periphery wall of motor stator contacts, when coil enameled wire energization and periphery wall breakage, the alarm department
Part can issue alarm signal.
Preferably, the conductive component material is one of conductive sponge, conductive tape, graphene, copper.
Preferably, the conductive component includes substrate and convex along the axially extending outboard flanges of the substrate, inside
Edge, the substrate, outboard flanges, medial flange form the accommodating chamber with opening, and the accommodating chamber is for accommodating the coil
The end of enameled wire.
Preferably, the enameled wire earth detector further includes insulated end cover, so that the conductive component is located in institute
It states between insulated end cover and the end of the coil enameled wire.
Preferably, the insulated end cover includes cover board, lateral wall, the inner sidewall for protruding from the cover board plate face, described outer
Annular groove is formed between side wall and inner sidewall, the conductive component can be installed in the annular groove.
Preferably, the conductive component includes the first conductive component, the second conductive component, and during installation, described first leads
Electrical components, the second conductive component correspond respectively to the axial ends of the motor stator.
Preferably, the warning piece includes buzzer or display lamp.
Preferably, the enameled wire earth detector further includes power supply part, the power supply part and the conductive part
Part, warning piece form the first circuit loop, further include monitoring device, and the monitoring device and the coil enameled wire form the
Two circuit loops can simultaneously obtain the electrical parameter in the second circuit circuit, when the coil enameled wire periphery wall breakage, institute
Stating the electric current in the first circuit loop can flow into the second circuit circuit.
Preferably, the monitoring device can be to the electrical parameter in the second circuit circuit with the side of waveform or numerical value
Formula is shown.
Preferably, the electrical parameter includes electric current, voltage.
A kind of enameled wire earth detector provided by the invention, described in being connected in coil enameled wire periphery wall
Conductive component, and the conductive component and the warning piece is made to form the closed circuit circuit of circuit, to work as the coil enameled wire
When being powered, the breakage of the coil enameled wire will make the formed closed loop circuit of conductive component described in conduct current therein,
To make the warning piece issue corresponding alarm signal, this kind of mode can accurately detect enameled wire single line leaky,
The security performance of motor is improved, structure is simple, compact, manufacturing cost is low, and recall rate is high, efficiently solves and detects in the prior art
Equipment cannot detect the problem of insulation performance deficiency caused by enameled wire single line breakage.
Detailed description of the invention
Fig. 1 is stator performance detection circuit schematic diagram in the prior art；
Fig. 2 is the configuration schematic diagram of the enameled wire earth detector of the embodiment of the present invention；
Fig. 3 is the circuit theory schematic diagram of the enameled wire earth detector of another embodiment of the present invention.
Appended drawing reference indicates are as follows:
1, conductive component；11, substrate；12, outboard flanges；13, medial flange；14, accommodating chamber；2, warning piece；3, electric
Machine stator；4, insulated end cover；41, cover board；42, lateral wall；43, inner sidewall；44, annular groove；51, the first conductive component；52, second
Conductive component.
Specific embodiment
Referring to shown in Fig. 1 to 3, according to an embodiment of the invention, providing a kind of enameled wire earth detector, it is used for paint
The detection of envelope curve single line breakage forms the (figure of warning piece 2 in closed circuit circuit including conductive component 1 and with the conductive component 1
Be not shown in 2), the conductive component 1 with motor stator 3 assemble after, can with outside the coil enameled wire of the motor stator 3
Peripheral wall contact, when coil enameled wire energization and periphery wall breakage, the warning piece 2 can issue alarm signal.Before
The contact stated can be the face contact or point contact of coil enameled wire periphery wall Yu conductive component 1, can also be arc contacts,
The arc contacts refer to that coil enameled wire is broken there are when small spacing between coil enameled wire periphery wall and conductive component 1
The situation that arc phenomenon causes the conductive component 1 to charge occurs for electric current at damage point (or insulation weak spot).The technical solution
In, by connecting the conductive component 1 in coil enameled wire periphery wall, and make the conductive component 1 and the alarm department
Part 2 forms the closed circuit circuit of circuit, so that the breakage of the coil enameled wire will make it when the coil enameled wire is when being powered
In conduct current described in the formed closed loop circuit of conductive component 1, so that the warning piece 2 be made to issue corresponding alarm signal
Number, this kind of mode can accurately detect enameled wire single line leaky, improve the security performance of motor, and structure is simple, compact, system
At low cost, recall rate height is made, efficiently solving detection device in the prior art cannot detect caused by enameled wire single line breakage absolutely
The problem of edge performance deficiency.The conductive component 1 is such as any material that can be conductive as solid, soft and hard
Production formed, it is preferable that 1 material of conductive component be one of conductive sponge, conductive tape, graphene, copper, have compared with
High conductivity, wherein conductive sponge, conductive tape have good shape forming capabilities, can be with coil end face to be detected
It combines closely, guarantees high damaged recall rate.
A kind of specific embodiment as the conductive component 1, it is preferable that the conductive component 1 include substrate 11 with
And axially extending outboard flanges 12, medial flange 13 along the substrate 11, the substrate 11, outboard flanges 12, inside are convex
Edge 13 forms the accommodating chamber 14 with opening, and the accommodating chamber 14 is used to accommodate the end of the coil enameled wire, it is possible to understand that
, the accommodating chamber 14 in the technical solution has the outline shape being adapted with coil enameled wire end, so as to guarantee
Coil enameled wire end and the conductive component 1 are in close contact, and guarantee the recall rate of enameled wire single line breakage.
The installation of the enameled wire earth detector for convenience, preventing may between the conductive component 1 and outside
The mistake of generation is touched, and security risk is caused, it is preferable that be additionally provided with insulated end cover 4 so that the conductive component 1 be located in it is described
Between insulated end cover 4 and the end of the coil enameled wire, the conductive component 1 is isolated from the outside by the insulated end cover 4, and
Connection necessary installation support can be formed between external installation part.In order to improve the enameled wire earth detector
Detection efficiency, the best axial ends in the motor stator 3 be all arranged one group described in conductive component 1, respectively first leads
Electrical components 51, the second conductive component 52, during installation, first conductive component 51, the second conductive component 52 correspond respectively to
The axial ends of the motor stator 3.Further, the insulated end cover 4 is also provided with two groups, and with first conductive part
Part 51, the second conductive component 52 respectively correspond installation.Preferably, the insulated end cover 4 includes cover board 41, protrudes from the cover board
Lateral wall 42, the inner sidewall 43 of 41 plate faces form annular groove 44, the conductive component 1 between the lateral wall 42 and inner sidewall 43
It can be installed in the annular groove 44.
The warning piece 2 can use various feasible forms, such as monitor screen, the best warning piece to adopt
With common buzzer or display lamp, circuit connection can be made particularly simple, greatly reduction production cost.It is understood that
The voltage that the power supply parameter demand of the buzzer or display lamp should be applied with coil enameled wire matches adaptation.
Further, the enameled wire earth detector further includes power supply part, and the power supply part is led with described
Electrical components 1, warning piece 2 form the first circuit loop, further include monitoring device, the monitoring device and the coil enameled wire
It forms second circuit circuit and the electrical parameter in the second circuit circuit can be obtained, when the coil enameled wire periphery wall is damaged
When, the electric current in first circuit loop can flow into the second circuit circuit.The second circuit circuit is
Measure loop (as shown in Figure 1) in the prior art, can make full use of existing detecting instrument, electricity using the technical solution
Road greatly reduces manufacturing cost, does not have at this point, the warning piece 2 can be cancelled, and detection result can be according to
Judged according to the monitoring device, specifically, in the unabroken situation of coil enameled wire, since itself is with higher
Insulation performance, the first circuit loop at this time and second circuit circuit be independent of one another namely the first circuit loop in electric current not
It can be incorporated in the second circuit circuit, the monitoring result in the monitoring device will be that the second circuit circuit is unabroken
Test pattern or standard value；When coil enameled wire breakage, the first circuit loop at this time will pass through breaking point and described the
The electric current that two circuit loops generate in parallel namely the first circuit loop will flow into the second circuit circuit, to make institute
The electrical parameter stated in second circuit circuit changes, these electrical parameters will be obtained by the monitoring device, and be carried out necessary
Feedback, the monitoring device can be shown the electrical parameter in the second circuit circuit in a manner of waveform or numerical value
Show.Aforementioned electrical parameter for example can be electric current, voltage, impedance etc..The monitoring device can be shown using traditional electric current, voltage
Wave device can also be can be realized using stator tester in the prior art.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of enameled wire earth detector, which is characterized in that including conductive component (1) and with the conductive component (1)
The warning piece (2) in closed circuit circuit is formed, the conductive component (1), can be with the motor after assembling with motor stator (3)
The coil enameled wire periphery wall of stator (3) contacts, when coil enameled wire energization and periphery wall breakage, the warning piece
(2) alarm signal can be issued.
2. detection device according to claim 1, which is characterized in that conductive component (1) material is conductive sponge, leads
One of electric adhesive tape, graphene, copper.
3. detection device according to claim 2, which is characterized in that the conductive component (1) include substrate (11) and
Along axially extending outboard flanges (12), the medial flange (13) of the substrate (11), the substrate (11), outboard flanges
(12), medial flange (13) forms the accommodating chamber (14) with opening, and the accommodating chamber (14) is for accommodating the coil enamel-cover
The end of line.
4. detection device according to claim 2, which is characterized in that further include insulated end cover (4), so that the conductive part
Part (1) is located between the insulated end cover (4) and the end of the coil enameled wire.
5. detection device according to claim 4, which is characterized in that the insulated end cover (4) includes cover board (41), protrusion
Lateral wall (42), inner sidewall (43) in the cover board (41) plate face, form between the lateral wall (42) and inner sidewall (43)
Annular groove (44), the conductive component (1) can be installed in the annular groove (44).
6. detection device according to claim 1, which is characterized in that the conductive component (1) includes the first conductive component
(51), the second conductive component (52), during installation, first conductive component (51), the second conductive component (52) respectively correspond
Axial ends in the motor stator (3).
7. detection device according to claim 1, which is characterized in that the warning piece (2) includes buzzer or display
Lamp.
8. detection device according to claim 1, which is characterized in that it further include power supply part, the power supply part and institute
Conductive component (1), warning piece (2) the first circuit loop of formation are stated, further includes monitoring device, the monitoring device and the line
Circle enameled wire forms second circuit circuit and can obtain the electrical parameter in the second circuit circuit, when outside the coil enameled wire
When peripheral wall breakage, the electric current in first circuit loop can be flowed into the second circuit circuit.
9. detection device according to claim 8, which is characterized in that the monitoring device can return the second circuit
Electrical parameter in road is shown in a manner of waveform or numerical value.
10. detection device according to claim 8, which is characterized in that the electrical parameter includes electric current, voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948544.9A CN109164341A (en) | 2018-08-20 | 2018-08-20 | Enameled wire earth detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948544.9A CN109164341A (en) | 2018-08-20 | 2018-08-20 | Enameled wire earth detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109164341A true CN109164341A (en) | 2019-01-08 |
Family
ID=64896270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810948544.9A Pending CN109164341A (en) | 2018-08-20 | 2018-08-20 | Enameled wire earth detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109164341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796169A (en) * | 2019-04-03 | 2020-10-20 | 株式会社电装 | Insulation inspection apparatus and method |
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| JP2004020346A (en) * | 2002-06-14 | 2004-01-22 | Nissan Motor Co Ltd | Insulation inspecting method of coil and inspecting equipment |
| CN202330653U (en) * | 2011-11-12 | 2012-07-11 | 浙江众邦机电科技有限公司 | Semi-automatic motor stator detector |
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| US20130127490A1 (en) * | 2011-11-18 | 2013-05-23 | GM Global Technology Operations LLC | Surge testing method and system for a bar-wound stator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796169A (en) * | 2019-04-03 | 2020-10-20 | 株式会社电装 | Insulation inspection apparatus and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190108 |