CN202495872U - Transducer - Google Patents
Transducer Download PDFInfo
- Publication number
- CN202495872U CN202495872U CN201220060710XU CN201220060710U CN202495872U CN 202495872 U CN202495872 U CN 202495872U CN 201220060710X U CN201220060710X U CN 201220060710XU CN 201220060710 U CN201220060710 U CN 201220060710U CN 202495872 U CN202495872 U CN 202495872U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- pcb
- frequency converter
- conduction end
- 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.)
- Expired - Lifetime
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 239000012467 final product Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 1
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- Structure Of Printed Boards (AREA)
Abstract
The utility model provides a transducer, comprising a printed circuit board, a discharge connection terminal arranged on the printed circuit board, and a connecting part. The printed circuit board is provided with an insulating through hole, conductive end parts are arranged at two sides of the printed circuit board and around the edge of the insulating through hole, the two conductive end parts are connected with the discharge connection terminal and the ground respectively, the connecting part is detachably connected with the printed circuit board through the insulating through hole, and is electrically connected with the conductive end parts which are arranged at the two sides of the printed circuit board. By arranging the discharge connection terminal and the ground at the two sides of the printed circuit board respectively, no additional process is needed in detecting the transducer, and the transducer can be produced by regular process; when the detection is finished or the ground connection is needed, the two conductive end parts only need to be connected through the connecting part, thereby the production efficiency of the transducer is increased.
Description
[technical field]
The utility model relates to the converter technology field, relates in particular to the frequency converter with surge impact protection.
[background technology]
Be to solve the electrical network surge impact, frequency converter all is designed with protective circuit, promptly through piezo-resistance surge voltage is released to electrical network through the cable of releasing and avoids impact failure with the protection frequency converter.Again because frequency converter need carry out voltage-withstand test when producing, and its cable of releasing must break off during voltage-withstand test, otherwise false alarm will occur or damage frequency converter.Therefore industry is mainly carried out relevant design by following mode:
One, a release end of cable is soldered to earlier on the printed circuit board (PCB), and the other end of the cable of treating to release after voltage-withstand test finishes just links to each other with the terminal of releasing.
Two, a release end of cable is fastened on earlier on the terminal of releasing, and the other end of the cable of treating to release after voltage-withstand test finishes just links to each other with printed circuit board (PCB).
Above-mentioned design has increased the frequency converter production process, and efficient is low.
[utility model content]
Based on this, be necessary the frequency converter that provides a kind of production efficiency high.
A kind of frequency converter; Comprise printed circuit board (PCB), be located at release binding post and connecting portion on the printed circuit board (PCB); Said printed circuit board (PCB) is provided with insulated vias; Be respectively equipped with the conduction end in the printed circuit board (PCB) both sides and around the edge of said insulated vias, said two conducting end portions link to each other with ground with the binding post of releasing respectively, and said connecting portion removably is connected with printed circuit board (PCB) through insulated vias and is electrically connected the said conduction end that is positioned at the printed circuit board (PCB) both sides.
Further, said connecting portion comprises nut bolt, and said bolt passes said insulated vias and said nut is connected, and two conduction ends are electrically connected.
Further, described conduction end is that annular on the printed circuit board (PCB) is covered copper.
Further, be provided with pad between the head of said bolt and the conduction end near said bolt head.
Further, be provided with pad between said nut and the conduction end near said nut.
Further, the internal diameter of said pad and external diameter equate with the internal diameter and the external diameter of corresponding conduction end respectively.
Further, the radius of said insulated vias covers the internal diameter of copper less than said annular.
Further, an end of said connecting portion is fixedly connected radiator.
Above-mentioned frequency converter owing to be separately positioned on the both sides of printed circuit board (PCB) to the terminal of releasing with ground, during test, does not need other operation, gets final product by normal operation production; When test is accomplished later on or is needed ground connection, connect said two conduction ends through connecting portion and get final product, improved the production efficiency of frequency converter.
[description of drawings]
Fig. 1 is the frequency converter generalized section of an embodiment;
Fig. 2 is the frequency converter generalized section of another embodiment.
[embodiment]
For the ease of understanding the utility model, will more comprehensively describe the utility model with reference to relevant drawings below.Provided the preferred embodiment of the utility model in the accompanying drawing.But the utility model can be realized with many different forms, be not limited to embodiment described herein.On the contrary, provide the purpose of these embodiment be make the understanding of the disclosure of the utility model comprehensively thorough more.
Need to prove, when element is called as " being fixed in " another element, it can be directly on another element or also can have element placed in the middle.When an element is considered to " connection " another element, it can be to be directly connected to another element or possibly to have element placed in the middle simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Only if definition is arranged in addition, the employed all technology of this paper are identical with the implication of the those skilled in the art's common sense that belongs to the utility model with scientific terminology.Among this paper in the specification of the utility model employed term be not intended to be restriction the utility model just in order to describe the purpose of concrete embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
In order to solve the low problem of frequency converter production efficiency, a kind of frequency converter that improves frequency converter production efficiency has been proposed.
See also Fig. 1 and Fig. 2, the frequency converter that this execution mode provides comprises printed circuit board (PCB) 100, the terminal (not shown) of releasing and connecting portion 200.
Be designed with various functional circuits on the printed circuit board (PCB) 100, for example rectification circuit, filter circuit, drive circuit, detecting unit microprocessing unit etc. are formed the functional circuit of frequency converter.Printed circuit board (PCB) 100 is provided with insulated vias 110; Be respectively equipped with conduction end 121,122 in printed circuit board (PCB) 110 both sides and around the edge of insulated vias 110; Conduction end 121 with conduct electricity end 122 one of them link to each other with the terminal of releasing, another links to each other with ground.Preferably, the conduction end is that the annular that is attached on the printed circuit board (PCB) 100 is covered copper.Preferably, the internal diameter of insulated vias 110 covers the internal diameter of copper less than annular.
The terminal of releasing is the earth terminal of frequency converter surge protection circuit, and it wants could release surge voltage to electrical network after the ground connection, and the protection frequency converter is avoided impact failure.
Connecting portion 200 is used for removably being connected with insulated vias 110 and being electrically connected the conduction end 121,122 that is positioned at the printed circuit board (PCB) both sides.In the present embodiment, connecting portion 200 comprises nut bolt, and bolt passes insulated vias 110 and is connected with nut, and two conduction ends are electrically connected.Preferably, be provided with pad 201 between the head of bolt and the conduction end 121, be provided with pad 201 between nut and the conduction end 122 near nut near bolt head.Pad 201 makes connecting portion 200 better with the electrical connection of conduction end; In the present embodiment; The head of bolt is connected with conduction end 121 through pad 201, makes the head and conduction end 121 more effective contacts of bolt, has improved the head of bolt and the electrical connection properties of conduction end 121.Certainly, also can establish pad 201 between nut and the conduction end 122.
When annular was covered copper as the conduction end, the internal diameter of pad 201 and external diameter equated with the internal diameter and the external diameter of corresponding conduction end respectively.Certainly, the external diameter of pad 201 can conduct electricity the external diameter of end greater than correspondence, and the internal diameter of pad 201 also can conduct electricity the internal diameter of end less than correspondence.Pad 201 covers on the corresponding conduction end fully, and bolt and nut is contacted with the conduction end more closely, improves conductivity.
In a preferred embodiment, an end of connecting portion 200 is fixedly connected radiator 300.Connecting portion 200 removably is connected with insulated vias and is electrically connected the conduction end that is positioned at insulated vias 110 two ends except being used for; Can also the heat that circuit on the printed circuit board (PCB) 100 produces be dispelled the heat through radiator 300, make connecting portion 200 give play to better utilization efficient.In this instance, nut is fixedly connected radiator 300, and bolt is connected with fixing nut through insulated vias 110 on the printed circuit board (PCB).
Above-mentioned frequency converter, the two ends owing to being separately positioned on the part of release terminal and ground connection insulated vias 110 during test, do not need other operation, produce by normal operation to get final product; When test is accomplished later on or is needed ground connection, connect said two conduction ends through connecting portion and get final product, improved the production efficiency of frequency converter.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (8)
1. frequency converter; It is characterized in that; Comprise printed circuit board (PCB), be located at release binding post and connecting portion on the printed circuit board (PCB), said printed circuit board (PCB) is provided with insulated vias, is respectively equipped with the conduction end in the printed circuit board (PCB) both sides and around the edge of said insulated vias; Said two conducting end portions link to each other with ground with the binding post of releasing respectively, and said connecting portion removably is connected with printed circuit board (PCB) through insulated vias and is electrically connected the said conduction end that is positioned at the printed circuit board (PCB) both sides.
2. frequency converter according to claim 1 is characterized in that said connecting portion comprises nut bolt, and said bolt passes said insulated vias and said nut is connected, and two conduction ends are electrically connected.
3. frequency converter according to claim 2 is characterized in that, described conduction end is that the annular on the printed circuit board (PCB) is covered copper.
4. frequency converter according to claim 3 is characterized in that, is provided with pad between the head of said bolt and the conduction end near said bolt head.
5. frequency converter according to claim 3 is characterized in that, is provided with pad between said nut and the conduction end near said nut.
6. according to claim 4 or 5 described frequency converters, it is characterized in that the internal diameter of said pad and external diameter equate with the internal diameter and the external diameter of corresponding conduction end respectively.
7. according to any described frequency converter of claim 3～5, it is characterized in that the radius of said insulated vias covers the internal diameter of copper less than said annular.
8. according to any described frequency converter of claim 1～5, it is characterized in that an end of said connecting portion is fixedly connected radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220060710XU CN202495872U (en) | 2012-02-23 | 2012-02-23 | Transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220060710XU CN202495872U (en) | 2012-02-23 | 2012-02-23 | Transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495872U true CN202495872U (en) | 2012-10-17 |
Family
ID=47002084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220060710XU Expired - Lifetime CN202495872U (en) | 2012-02-23 | 2012-02-23 | Transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495872U (en) |
-
2012
- 2012-02-23 CN CN201220060710XU patent/CN202495872U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |