CN109870604A - A kind of efficient current detection device of frequency converter - Google Patents
A kind of efficient current detection device of frequency converter Download PDFInfo
- Publication number
- CN109870604A CN109870604A CN201910018271.2A CN201910018271A CN109870604A CN 109870604 A CN109870604 A CN 109870604A CN 201910018271 A CN201910018271 A CN 201910018271A CN 109870604 A CN109870604 A CN 109870604A
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- China
- Prior art keywords
- detection plate
- detection
- fixation member
- groove
- frequency converter
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Abstract
The invention discloses a kind of efficient current detection devices of frequency converter, the one side of its first fixation member is connected with the one side of support member, the bottom surface of second groove is higher than the bottom surface of the first groove, second fixation member is located at support member lower part and is connected with support member, magnetic core is located in first groove, first detection plate and the second detection are vertically arranged, first detection plate is located in the first fixation member, the side of second detection plate and the second groove touches setting, third detection plate is vertically arranged with the second detection plate, and it is arranged in parallel with the bottom of the first groove, 4th detection plate is vertically arranged with third detection plate, the side of third detection plate and the second fixation member touches setting.The device of the invention can realize the detection of electric current by cordless, have the advantages that completely isolated, safety, with high accuracy, realize the modularized design of current detection means, be easy to be assembled and be assembled, it is ensured that the performance stabilization of entire detection process.
Description
Technical field
The present invention relates to converter technology fields, more particularly to a kind of efficient current detection device of frequency converter.
Background technique
Frequency converter is to be handed over using converter technique and microelectric technique by changing motor frequency mode of working power supply to control
The electric control appliance of galvanic electricity motivation.IGBT cut-offs to adjust the voltage of out-put supply and frequency frequency converter close to the inner portion, according to
The actual needs of motor provides required supply voltage, and then achievees the purpose that energy conservation, speed regulation, in addition, frequency converter is also
Many defencive functions, such as overcurrent, over-voltage, overload protection.Existing frequency converter during use, is needed to its electricity
Stream is detected, and existing detection device testing result is bad.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of efficient current detection device of frequency converter, using effects
It is good.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of efficient electric of frequency converter is provided
Flow detection device, including bracket, magnetic core and detection plate, the bracket include that the first fixation member, support member and second are fixed
The one side of component, first fixation member is connected with the one side of the support member, is arranged in the support member
There are the first groove and the second groove, the bottom surface of second groove is higher than the bottom surface of first groove, second fixed part
Part is located at the support member lower part and is connected with the support member, and the magnetic core is located in first groove, described
The shape of magnetic core is c-type, and the detection plate includes the first detection plate, the second detection plate, third detection plate and the 4th detection plate, institute
It states the first detection plate and second detection is vertically arranged, first detection plate is located in first fixation member, described
The side of second detection plate and second groove touches setting, and the third detection plate is vertical with second detection plate to be set
It sets, and is arranged in parallel with the bottom of first groove, the 4th detection plate is vertically arranged with the third detection plate, described
The side of third detection plate and second fixation member touches setting.
In a preferred embodiment of the present invention, first fixation member, the support member and described second are fixed
Component integrated molding obtains.
In a preferred embodiment of the present invention, hole is provided in first fixation member and first detection plate
Hole, first fixation member and first detection plate are screwed.
In a preferred embodiment of the present invention, the width of the opening of the magnetic core is 2-5mm.
In a preferred embodiment of the present invention, hole is provided in second fixation member and the 4th detection plate
Hole, second fixation member and the 4th detection plate are screwed.
In a preferred embodiment of the present invention, the material of the detection plate is copper.
In a preferred embodiment of the present invention, first detection plate, second detection plate, the third detection plate
It is obtained with the 4th detection plate integrated molding.
The beneficial effects of the present invention are: the efficient current detection device of frequency converter of the invention, can pass through non-contact side
Formula realizes the detection of electric current, has the advantages that completely isolated, safety, with high accuracy, realizes that the modularization of current detection means is set
Meter, is easy to be assembled and be assembled, it is ensured that the performance of entire detection process is stablized.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of efficient current detection device of frequency converter of the invention；
Fig. 2 is the assembling figure of the efficient current detection device of frequency converter described in Fig. 1.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Fig. 1 and Fig. 2 are please referred to, a kind of efficient current detection device of frequency converter, including bracket, magnetic core and detection are provided
Plate.The bracket includes the first fixation member 1, support member 2 and the second fixation member 3, first fixation member 1, described
Support member 2 and second fixation member 3 integrated molding obtain.The one side of first fixation member 1 with it is described
The one side of support member 2 is connected, and makes the surface of first fixation member 1 is vertical with the side of the support member 2 to set
It sets.The first groove 4 and the second groove 5 are provided in the support member 2, the bottom surface 4 of second groove is higher than described first
The bottom surface of groove 5.Second fixation member 3 is located at 2 lower part of support member and is connected with the support member 2, institute
The side of the bottom surface and second fixation member 3 of stating the first groove 5 is vertically arranged.The magnetic core 6 is located at first groove 5
Interior, the shape of the magnetic core 6 is c-type.The width of the opening of the magnetic core 6 is 2-5mm.
The detection plate includes the first detection plate 7, the second detection plate 8, third detection plate 9 and the 4th detection plate 10, described
The material of detection plate is copper, first detection plate 7, second detection plate 8, the third detection plate 9 and the 4th inspection
The integrated molding of drafting board 10 obtains.First detection plate 7 and second detection 8 are vertically arranged.First detection plate 7
In first fixation member 1, hole is set in first fixation member 1 and first detection plate 7, described
One fixation member 1 and first detection plate 7 are screwed.The side of second detection plate 8 and second groove 5
Touch setting.The third detection plate 9 is vertically arranged with second detection plate 8, and parallel with the bottom of first groove 4
Setting.4th detection plate 10 is vertically arranged with the third detection plate 9.The third detection plate 9 is fixed with described second
The side of component 3 touches setting, is arranged hole in second fixation member 3 and the 4th detection plate 10, and described second
Fixation member 3 and the 4th detection plate 10 are screwed.Such design can make the detection plate and the magnetic core 6
It does not contact, is applied well.
Frequency converter IGBT is the opening for extending into the magnetic core 6 in the present invention.Flow through the detection plate meeting of circuit
Magnetic field is generated, the magnetic core 6 is able to carry out magnetic convergence, can detect to electric current.
The beneficial effects of the present invention are:
One, the efficient current detection device of the frequency converter can realize the detection of electric current by cordless, have complete
Isolation, safety, advantage with high accuracy；
Two, the efficient current detection device of the frequency converter realizes the modularized design of current detection means, is easy to be assembled
And assembly, it is ensured that the performance of entire detection process is stablized.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of efficient current detection device of frequency converter, which is characterized in that including bracket, magnetic core and detection plate, the bracket
Including the first fixation member, support member and the second fixation member, the one side and the support portion of first fixation member
The one side of part is connected, and the first groove and the second groove are provided in the support member, and the bottom surface of second groove is high
In the bottom surface of first groove, second fixation member is located at the support member lower part and is connected with the support member
It connects, the magnetic core is located in first groove, and the shape of the magnetic core is c-type, and the detection plate includes the first detection plate, the
Two detection plates, third detection plate and the 4th detection plate, first detection plate and second detection are vertically arranged, and described first
Detection plate is located in first fixation member, and the side of second detection plate and second groove touches setting, described
Third detection plate is vertically arranged with second detection plate, and is arranged in parallel with the bottom of first groove, the 4th inspection
Drafting board is vertically arranged with the third detection plate, and the side of the third detection plate and second fixation member touches setting.
2. the efficient current detection device of frequency converter according to claim 1, which is characterized in that first fixed part
Part, the support member and second fixation member integrated molding obtain.
3. the efficient current detection device of frequency converter according to claim 1, which is characterized in that first fixation member
With hole is set in first detection plate, first fixation member and first detection plate are screwed.
4. the efficient current detection device of frequency converter according to claim 1, which is characterized in that the opening of the magnetic core
Width be 2-5mm.
5. the efficient current detection device of frequency converter according to claim 1, which is characterized in that second fixation member
With hole is set in the 4th detection plate, second fixation member and the 4th detection plate are screwed.
6. the efficient current detection device of frequency converter according to claim 1, which is characterized in that the material of the detection plate
For copper.
7. the efficient current detection device of frequency converter according to claim 1, which is characterized in that first detection plate,
Second detection plate, the third detection plate and the 4th detection plate integrated molding obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018271.2A CN109870604A (en) | 2019-01-09 | 2019-01-09 | A kind of efficient current detection device of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910018271.2A CN109870604A (en) | 2019-01-09 | 2019-01-09 | A kind of efficient current detection device of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109870604A true CN109870604A (en) | 2019-06-11 |
Family
ID=66917559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910018271.2A Pending CN109870604A (en) | 2019-01-09 | 2019-01-09 | A kind of efficient current detection device of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109870604A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002243768A (en) * | 2001-02-21 | 2002-08-28 | Stanley Electric Co Ltd | Electric current detector |
| CN209590113U (en) * | 2019-01-09 | 2019-11-05 | 德威(苏州)新能源有限公司 | A kind of efficient current detection device of frequency converter |
-
2019
- 2019-01-09 CN CN201910018271.2A patent/CN109870604A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002243768A (en) * | 2001-02-21 | 2002-08-28 | Stanley Electric Co Ltd | Electric current detector |
| CN209590113U (en) * | 2019-01-09 | 2019-11-05 | 德威(苏州)新能源有限公司 | A kind of efficient current detection device of frequency converter |
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