CN203192782U - Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit - Google Patents
Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit Download PDFInfo
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- CN203192782U CN203192782U CN 201320202951 CN201320202951U CN203192782U CN 203192782 U CN203192782 U CN 203192782U CN 201320202951 CN201320202951 CN 201320202951 CN 201320202951 U CN201320202951 U CN 201320202951U CN 203192782 U CN203192782 U CN 203192782U
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- master chip
- mount pad
- blind hole
- circuit board
- printed circuit
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Abstract
Provided is a main chip installing assembly for a linear cutting machine tool stepping motor single-phase driver circuit, which relates to the field of assemblies for installing main chips into linear cutting machine tool stepping motor single-phase driver circuits. A pin (12) of a main chip (2) is inserted into a pin installing slot (5) of a main chip installing seat (1), a welding pin (13) is welded into a welding pin welding hole (11) of a printed circuit board (3), a installing seat radiating hole (4) is communicated with a printed circuit board radiating hole (15), an installing seat bottom protruding block (10) is arranged in the bottom plate of the main chip installing seat (1), the four corners are provided with a mark identifying right-angle blind hole (6), a mark identifying round blind hole (7), an upper detaching blind hole (8), and a lower detaching blind hole (9) respectively, and welding pins (13) are welded on the outer side surface. The assembly provided has the advantages of simple structure, convenient detachment, and good heat radiation.
Description
Technical field
The single-phase drive circuit of the utility model wire cutting machine tool stepping motor relates to the sub-assembly field that is used for installing master chip in the single-phase drive circuit of wire cutting machine tool stepping motor with the master chip harness.
Background technology
In the single-phase drive circuit of digital non-resistance constant current Digit Control Machine Tool stepping motor, the effect of master chip is the input pulse signal that receives after the level transferring chip step-down, and the input pulse signal carried out pulse-width modulation, make the pulse width signal of 66 microseconds be modulated onto 25 microseconds in the less current pulse width signal scope of 66 microseconds, thereby can in the stepping circuit winding, can obtain stable output current, and be not subjected to the influence of extraneous DC power supply voltage, so just need in the winding of stepping circuit, not be in series with resistance, become the single-phase driver of non-resistance constant-current contour cutting off machine stepping motor, but in the single-phase drive circuit of digital non-resistance constant current Digit Control Machine Tool stepping motor, how master chip is installed on the printed circuit board that is connected the single-phase drive circuit of described digital non-resistance constant current Digit Control Machine Tool stepping motor reliably, just need a kind of master chip mount pad that master chip can be installed of design, again the master chip installation is connected on the printed circuit board by the master chip mount pad.
Summary of the invention
The purpose of this utility model provides the single-phase drive circuit of a kind of wire cutting machine tool stepping motor master chip harness, master chip is installed on the printed circuit board by the master chip mount pad, to reach master chip can be installed on the master chip mount pad easily, again the purpose that can disassemble from the master chip mount pad easily.
The single-phase drive circuit of wire cutting machine tool stepping motor master chip harness, it is made up of master chip mount pad, master chip and printed circuit board, the pin of master chip is installed accordingly respectively and is inserted in the pin mounting groove of master chip mount pad, and the welding foot of master chip mount pad is installed accordingly respectively and is welded in the welding foot welding hole of printed circuit board; Each mount pad louvre in the master chip mount pad respectively with printed circuit board on the corresponding connection of each printed circuit board louvre, in master chip mount pad base plate inboard some mount pad base plate projections are arranged, underlined identification right angle blind hole, mark identification circle blind hole and loading and unloading blind hole and loading and unloading blind hole respectively down at the inboard four jiaos of places of master chip mount pad, the welding foot that has some vertically to draw at master chip mount pad lateral surface; Have the printed circuit board installing hole at printed circuit board.
The single-phase drive circuit of the utility model wire cutting machine tool stepping motor further specifies as follows with design principle, effect and the structure of master chip harness:
Master chip is square sheets, on every limit of master chip 11 pins are arranged, install in 11 pin mounting grooves that are inserted in the every limit in the master chip mount pad respectively, each pin of master chip connection that contacts with pin mounting groove in the master chip mount pad respectively just, each pin mounting groove is connected with each corresponding welding foot of master chip mount pad plate outer side face respectively again, and each welding foot inserts accordingly respectively and is welded in each corresponding welding foot welding hole of printed circuit board, like this, with regard to each pin of making master chip respectively with printed circuit board on corresponding welding foot welding hole through the pin mounting groove of master chip mount pad and be communicated with.
In order to dispel the heat when master chip in the master chip mount pad powers up work to being installed in, some mount pad louvres that have at the master chip mount pad base plate of master chip mount pad, corresponding with the position of printed circuit board louvre on the printed circuit board respectively, and the mount pad base plate projection that some evaginations that make progress are arranged at the installation base plate of master chip mount pad, like this, master chip can be shelved on the mount pad base plate projection, dispel the heat when master chip is worked with regard to more being conducive to.
For ease of installing and unload the master chip in the master chip mount pad, the lower left corner and place, the upper right corner at the master chip mount pad have following loading and unloading blind hole respectively and load and unload blind hole, in order to two intermediate plates of anchor clamps are inserted in down respectively in the loading and unloading blind hole and in the last loading and unloading blind hole, thereby master chip can be fit in the master chip mount pad, or master chip is unloaded down in the master chip mount pad clampingly.
For ease of each pin of identification master chip, the shape of the mark that indicates respectively in the upper left corner and the lower right corner of master chip mount pad identification right angle blind hole and mark identification circle blind hole is respectively square blind hole and circular blind hole.
For ease of printed circuit board is installed on the frame, then have the printed circuit board installing hole respectively at four jiaos of places of printed circuit board, for installing screw therein printed circuit board is fixed on the frame.
The single-phase drive circuit of being formed by master chip mount pad, master chip and printed circuit board of wire cutting machine tool stepping motor with the advantage of master chip harness be simple in structure, installation and removal are convenient, and good heat dissipation.
Description of drawings
Fig. 1: the single-phase drive circuit of wire cutting machine tool stepping motor is installed connection diagram with master chip harness three-dimensional exploded.
Fig. 2: master chip mount pad 1 medial surface three-dimensional structure schematic diagram.
Fig. 3: master chip mount pad 1 lateral surface three-dimensional structure schematic diagram.
Embodiment
Referring to Fig. 1, the single-phase drive circuit of wire cutting machine tool stepping motor master chip harness, it is made up of master chip mount pad 1, master chip 2 and printed circuit board 3, the pin 12 of master chip 2 is installed accordingly respectively and is inserted in the pin mounting groove 5 of master chip mount pad 1, and the welding foot 13 of master chip mount pad 1 is installed accordingly respectively and is welded in the welding foot welding hole 11 of printed circuit board 3; Each mount pad louvre 4 in master chip mount pad 1 respectively with printed circuit board 3 on each printed circuit board louvre 15 corresponding connection, in master chip mount pad 1 base plate inboard some mount pad base plate projections 10 are arranged, underlined identification right angle blind hole 6, mark identification circle blind hole 7 and loading and unloading blind hole 8 and loading and unloading blind hole 9 respectively down have some welding foots of vertically drawing 13 at master chip mount pad 1 lateral surface at master chip mount pad 1 inboard four jiaos of places; Have printed circuit board installing hole 14 at printed circuit board 3.
As shown in Figure 1, master chip 2 is square tabular sheet, on master chip 2 every limits 11 pins are arranged, four square limits have 44 pins, installation is inserted in master chip mount pad 1 interior 44 pin mounting grooves 5 respectively, and master chip 2 models are the EPM7064SLC44-10 cake core of the MAX7000S series of U.S. ALTERA company production.
Referring to Fig. 2 and Fig. 3, be distributed on four uniform mount pad louvre 4 outsides on the master chip mount pad 1 indent base plate respectively at the mount pad base plate projection 10 of four uniform evaginations of the master chip mount pad 1 indent base plate inboard of square shape, four uniform mount pad louvres 4 on master chip mount pad 1 indent base plate are identical round tube hole; Have 44 pin mounting grooves 5 altogether respectively having on each madial wall of master chip mount pad 1 on 5,4 madial walls of 11 pin mounting grooves; The upper right corner and the lower left corner in master chip mount pad 1 inboard have rectangular loading and unloading blind hole 8 and the rectangular blind hole 9 of loading and unloading down, have mark identification circle blind hole 7 and mark identification right angle blind hole 6 in the lower right corner and the upper left corner of master chip mount pad 1 inboard; Around 4 mount pad louvres 4 on master chip mount pad 1 plate outer side face 44 uniform outward extending welding foots 13 are arranged.
As shown in Figure 1, respectively have a printed circuit board installing hole 14 at four jiaos of places of printed circuit board 3, for printed circuit board 3 is installed on the wire cutting machine tool mainframe box by bolt.
Claims (5)
1. the single-phase drive circuit of wire cutting machine tool stepping motor master chip harness, it is made up of master chip mount pad (1), master chip (2) and printed circuit board (3), the pin (12) that it is characterized in that master chip (2) is installed accordingly respectively and is inserted in the pin mounting groove (5) of master chip mount pad (1), and the welding foot (13) of master chip mount pad (1) is installed accordingly respectively and is welded in the welding foot welding hole (11) of printed circuit board (3); Each mount pad louvre (4) in master chip mount pad (1) respectively with printed circuit board (3) on the corresponding connection of each printed circuit board louvre (15), in master chip mount pad (1) base plate inboard some mount pad base plate projections (10) are arranged, underlined identification right angle blind hole (6), mark identification circle blind hole (7) and loading and unloading blind hole (8) and loading and unloading blind hole (9) respectively down have some welding foots of vertically drawing (13) at master chip mount pad (1) lateral surface at the inboard four jiaos of places of master chip mount pad (1); Have printed circuit board installing hole (14) at printed circuit board (3).
2. the single-phase drive circuit of wire cutting machine tool stepping motor according to claim 1 master chip harness, it is characterized in that master chip (2) is square tabular, on the every limit of master chip (2) (11) individual pin is arranged, four square limits have 44 pins, installation is inserted in interior 44 the pin mounting grooves of master chip mount pad (1) (5) respectively, and master chip (2) model is the EPM7064SLC44-10 cake core of the MAX7000S series of U.S. ALTERA company production.
3. the single-phase drive circuit of wire cutting machine tool stepping motor according to claim 1 master chip harness is characterized in that mount pad base plate projection (10) at four uniform evaginations of master chip mount pad (1) the indent base plate inboard of square shape is distributed on four uniform mount pad louvres (4) outsides on master chip mount pad (1) the indent base plate respectively; On each madial wall of master chip mount pad (1), respectively have 11) pin mounting groove (5), have 44 pin mounting grooves (5) on 4 madial walls altogether; The upper right corner and the lower left corner inboard at master chip mount pad (1) have rectangular loading and unloading blind hole (8) and rectangular loading and unloading blind hole (9) down, and the lower right corner and the upper left corner inboard at master chip mount pad (1) have mark identification circle blind hole (7) and mark identification right angle blind hole (6); 4 mount pad louvres (4) on master chip mount pad (1) plate outer side face have 44 uniform outward extending welding foots (13) all around.
4. the single-phase drive circuit of wire cutting machine tool stepping motor according to claim 1 master chip harness is characterized in that four uniform mount pad louvres (4) on master chip mount pad (1) indent base plate are identical round tube hole.
5. the single-phase drive circuit of wire cutting machine tool stepping motor according to claim 1 master chip harness is characterized in that respectively having a printed circuit board installing hole (14) at four jiaos of places of printed circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202951 CN203192782U (en) | 2013-04-08 | 2013-04-08 | Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320202951 CN203192782U (en) | 2013-04-08 | 2013-04-08 | Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192782U true CN203192782U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320202951 Expired - Fee Related CN203192782U (en) | 2013-04-08 | 2013-04-08 | Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300654A (en) * | 2021-05-24 | 2021-08-24 | 陈海彬 | Switched reluctance motor servo combined driving device based on industrial robot |
-
2013
- 2013-04-08 CN CN 201320202951 patent/CN203192782U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300654A (en) * | 2021-05-24 | 2021-08-24 | 陈海彬 | Switched reluctance motor servo combined driving device based on industrial robot |
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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: Jiangsu Dongqing Cnc Machine Tool Co., Ltd. Assignor: Li Dongqing Contract record no.: 2014320000293 Denomination of utility model: Main chip installing assembly for linear cutting machine tool stepping motor single-phase driver circuit Granted publication date: 20130911 License type: Exclusive License Record date: 20140408 |
|
| 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: 20130911 Termination date: 20160408 |