CN202586722U - Connecting terminal for transducer - Google Patents
Connecting terminal for transducer Download PDFInfo
- Publication number
- CN202586722U CN202586722U CN 201220124978 CN201220124978U CN202586722U CN 202586722 U CN202586722 U CN 202586722U CN 201220124978 CN201220124978 CN 201220124978 CN 201220124978 U CN201220124978 U CN 201220124978U CN 202586722 U CN202586722 U CN 202586722U
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- China
- Prior art keywords
- terminal
- binding post
- nut
- utility
- terminal groove
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- 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 - Fee Related
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Abstract
The utility model is applicable for the technical field of transducer connecting terminals and discloses a connecting terminal used for transducers. A terminal row is provided with terminal grooves; nuts are arranged at connecting holes in the terminal grooves on the terminal row; each terminal groove is fixed by adding a copper row; and finally the upper half part of the terminal is added with an organic glass tag silk-screen; bolts and nuts are matched and arranged in the connecting holes; the terminal grooves of the terminal row are made of positive 634 epoxy-phthalic anhydride-quartz powder epoxy casting glue materials with well insulation effect and have well electrical performance; the design makes the connecting terminal stout and durable, so that the connecting terminal has high toughness, high mechanical intensity and well processing performance and can be damaged extremely difficultly; the interval horizontal distances between the terminal grooves are greater than 15mm; the interval heights are greater than 15mm; the creepage distance is large; the insulation effect is well; the organic glass tag silk-screen is added on the upper part of the terminal row; the design and pattern is beautiful and elegant; the characters are simple and clear, so that the connecting terminal for transducers disclosed by the utility model is convenient for a client to connect accurately and is simple in structure and high in practical applicability.
Description
Technical field
The utility model belongs to frequency converter binding post technical field, relates in particular to a kind of binding post that is used for frequency converter.
Background technology
Along with development of market economy and automation; In the raising of the intelligent degree of binding post, adopt high voltage converter that load of the pumps is carried out speed control, not only to improve technology, improve the quality of products beneficial; Being again energy-conservation and the requirement equipment economical operation, is the inexorable trend of sustainable development.
In high voltage converter; With many level PWMs of units in series voltage-source type is master's frequency converter binding post; Adopted the mode of several low pressure PWM frequency conversion power unit series connection to realize direct high pressure output, this frequency converter is little to harmonic pollution in electric power net, and harmonic wave input current is very low; Input power factor is high, needn't adopt input harmonics filter and power factor compensation device.
At present, in the cell series multi-level converter binding post, can there be the problem of the electromagnetic interference between strong and weak electricity isolation and power cell and the power cell between master control system and the power cell.In addition, the manufacturer that produces the above binding post of 300A is few, and it is narrow to purchase difficult supply channel, and it is inconvenient to make some powerful frequency converters use.
Summary of the invention
The purpose of the utility model is to provide a kind of binding post that is used for frequency converter; The manufacturer that is intended to solve the above binding post of present production 300A is few; The buying difficulty, supply channel is narrow, and insulation effect and electric property are relatively poor; Very easily damage and breakage the problem that some powerful Inverter Application are restricted.
The utility model is achieved in that a kind of binding post that is used for frequency converter, and this binding post comprises: terminal groove, terminal board, nut, copper bar, bolt;
Said nut is fixed on the two ends of said terminal groove, and the set inside of said terminal groove has said copper bar, and said copper bar is positioned at the top of said nut, and said nut is connected with said screw.
Further, the two ends of said terminal groove are provided with wiring hole.
Further, said nut is installed in the wiring hole at said terminal groove two ends.
Further, the mid portion of said copper bar is through the middle part of screw at said terminal board upper end pilot trench.
Further, be provided with the spiral shell pad between said bolt and the copper bar.
Further, the first half of said terminal board is provided with polymethyl methacrylate sign silk-screen.
Further, the horizontal range at the interval between said each terminal groove surpasses 15 millimeters, and the height at the interval between each terminal groove is also above 15 millimeters.
The binding post that is used for frequency converter that the utility model provides, terminal board is provided with terminal groove, and nut is installed on the wiring hole in the pilot trench of terminal board upper end, and each terminal groove adds copper bar to be fixed; Add polymethyl methacrylate sign silk-screen at the terminal first half at last, the bolts and nuts cooperation is installed in the wiring hole, and the terminal groove of terminal board adopts positive 634 epoxies-phthalic anhydride-silica flour epoxy casting glue material, and insulation effect is good; Have excellent electric property, design durablely, toughness is strong, and is extremely not fragile and damaged; Mechanical strength and favorable manufacturability ability, the horizontal range at interval surpasses 15 millimeters between each terminal groove, and height at interval also surpasses 15 millimeters, and creepage distance is big; Even there is dust to fall into, still have high insulation effect, terminal board top installs polymethyl methacrylate sign silk-screen additional; Design pattern is elegant in appearance, and font is succinct, clear, makes things convenient for client's wiring accurately; It is few to have solved the manufacturer that produces the above binding post of 300A, the buying difficulty, and supply channel is narrow; Make some powerful frequency converters use inconvenient problem, simple in structure, practical.
Description of drawings
Fig. 1 is the structural representation of the binding post terminal board that is used for frequency converter that provides of the utility model embodiment;
Fig. 2 is the scheme of installation of binding post nut on terminal board that is used for frequency converter that the utility model embodiment provides;
Fig. 3 is the structural representation of the binding post nut that is used for frequency converter that provides of the utility model embodiment.
Among the figure: 1, terminal groove; 2, terminal board; 3, nut; 4, copper bar; 5, bolt; 6, wiring hole; 7, screw; 8, polymethyl methacrylate sign silk-screen.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the binding post that is used for frequency converter that the utility model embodiment provides.For the ease of explanation, only show the part relevant with the utility model embodiment.
This binding post comprises: terminal groove 1, terminal board 2, nut 3, copper bar 4, bolt 5;
Nut 3 is fixed on the two ends of terminal groove 1, and the set inside of terminal groove 1 has copper bar 4, and copper bar 4 is positioned at the top of nut 3, and nut 3 is connected with screw 7 matched and fixed.
As shown in Figure 1, in the utility model embodiment, the two ends of terminal groove 1 are provided with wiring hole 6.
As shown in Figure 2, in the utility model embodiment, nut 3 is installed in the wiring hole 6 at terminal groove 1 two ends.
In the utility model embodiment, the mid portion of copper bar 4 is fixed on the middle part of terminal board 2 upper end pilot trench 1 through screw 7.
In the utility model embodiment, be provided with the spiral shell pad between bolt 5 and the copper bar 4.
In the utility model embodiment, the first half of terminal board 2 is provided with polymethyl methacrylate sign silk-screen 8.
In the utility model embodiment, the horizontal range at the interval between each terminal groove 1 surpasses 15 millimeters, and the height at the interval between each terminal groove 1 is also above 15 millimeters.
Further describe below in conjunction with accompanying drawing and specific embodiment application principle the utility model.
As shown in Figure 1, the utility model embodiment provides the frequency converter binding post of a kind of power between 200KW to 630KW, comprising: nut 3, terminal board 2, copper bar 4, polymethyl methacrylate sign silk-screen 8, bolt 5;
Fig. 3 shows the structure of nut; Terminal board 2 is provided with terminal groove 1; Nut 3 is pressed on the wiring hole 6 in the terminal groove 1 of terminal board 2, and it is fixing that each terminal groove 1 adds copper bar 4, and the first half at terminal board 2 adds polymethyl methacrylate sign silk-screen 8 at last; The user can identify the sign wiring on the silk-screen 8 according to polymethyl methacrylate, the nut 3 supporting installations in bolt 5 and the wiring hole 6.
The terminal groove 1 of this terminal board 2 adopts positive 634 epoxies-phthalic anhydride-silica flour epoxy casting glue material, and insulation effect is good, has excellent electric property, designs durablely, and toughness is strong, and is extremely not fragile and damaged, mechanical strength and favorable manufacturability ability.Interval horizontal range between each terminal surpasses more than 15 millimeters, and interval height also surpasses more than 15 millimeters, and creepage distance is big, even there is dust to fall into, still has high insulation effect.Terminal board 2 tops install polymethyl methacrylate sign silk-screen 8 additional, and design pattern is elegant in appearance, and font is succinct, clear, makes things convenient for client's wiring accurately.
The binding post that is used for frequency converter that the utility model embodiment provides, terminal board 2 is provided with terminal groove 1, and nut 3 is installed on the wiring hole 6 in the terminal board 2 upper end pilot trench 1, and it is fixing that each terminal groove 1 adds copper bar 4; Add polymethyl methacrylate sign silk-screen 8 at the terminal first half at last, bolt 5 cooperates with nut 3 and is installed in the wiring hole 6, terminal groove 1 employing positive 634 epoxies-phthalic anhydride-silica flour epoxy of terminal board 2 glue material of casting, and insulation effect is good; Have excellent electric property, design durablely, toughness is strong, and is extremely not fragile and damaged; Mechanical strength and favorable manufacturability ability, the horizontal range at interval surpasses 15 millimeters between each terminal groove 1, and height at interval also surpasses 15 millimeters, and creepage distance is big; Even there is dust to fall into, still have high insulation effect, terminal board 2 tops install polymethyl methacrylate sign silk-screen 8 additional; Design pattern is elegant in appearance, and font is succinct, clear, makes things convenient for client's wiring accurately; It is few to have solved the manufacturer that produces the above binding post of 300A, the buying difficulty, and supply channel is narrow; Make some powerful frequency converters use inconvenient problem, simple in structure, practical.
More than be merely the preferred embodiment of the utility model,, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection range of the utility model not in order to restriction the utility model.
Claims (7)
1. a binding post that is used for frequency converter is characterized in that, this binding post comprises: terminal groove, terminal board, nut, copper bar, bolt;
Said nut is fixed on the two ends of said terminal groove, and the set inside of said terminal groove has said copper bar, and said copper bar is positioned at the top of said nut, and said nut is connected with said screw.
2. binding post as claimed in claim 1 is characterized in that the two ends of said terminal groove are provided with wiring hole.
3. according to claim 1 or claim 2 binding post is characterized in that said nut is installed in the wiring hole at said terminal groove two ends.
4. binding post as claimed in claim 1 is characterized in that, the mid portion of said copper bar is through the middle part of screw at said terminal board upper end pilot trench.
5. binding post as claimed in claim 1 is characterized in that, is provided with the spiral shell pad between said bolt and the copper bar.
6. binding post as claimed in claim 1 is characterized in that, the first half of said terminal board is provided with polymethyl methacrylate sign silk-screen.
7. binding post as claimed in claim 1 is characterized in that, the horizontal range at the interval between said each terminal groove surpasses 15 millimeters, and the height at the interval between each terminal groove is also above 15 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220124978 CN202586722U (en) | 2012-03-29 | 2012-03-29 | Connecting terminal for transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220124978 CN202586722U (en) | 2012-03-29 | 2012-03-29 | Connecting terminal for transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586722U true CN202586722U (en) | 2012-12-05 |
Family
ID=47256084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220124978 Expired - Fee Related CN202586722U (en) | 2012-03-29 | 2012-03-29 | Connecting terminal for transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779674A (en) * | 2014-01-10 | 2014-05-07 | 洛阳中重自动化工程有限责任公司 | Cable speed row between high-voltage frequency converter cabinets |
-
2012
- 2012-03-29 CN CN 201220124978 patent/CN202586722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779674A (en) * | 2014-01-10 | 2014-05-07 | 洛阳中重自动化工程有限责任公司 | Cable speed row between high-voltage frequency converter cabinets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN ENERGY TECHNOLOGY CO., LTD. Assignor: Zhu Yandong Contract record no.: 2012440020330 Denomination of utility model: Connecting terminal for transducer Granted publication date: 20121205 License type: Exclusive License Record date: 20121210 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20200329 |