CN201495388U - Sewing machine operation panel circuit - Google Patents
Sewing machine operation panel circuit Download PDFInfo
- Publication number
- CN201495388U CN201495388U CN200920305492XU CN200920305492U CN201495388U CN 201495388 U CN201495388 U CN 201495388U CN 200920305492X U CN200920305492X U CN 200920305492XU CN 200920305492 U CN200920305492 U CN 200920305492U CN 201495388 U CN201495388 U CN 201495388U
- Authority
- CN
- China
- Prior art keywords
- pin
- scale integrated
- integrated circuit
- charactron
- link
- 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 - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a sewing machine operation panel circuit, which comprises communication ports, a large-scale integrated circuit, a plurality of digital tubes, a plurality of LED indicating lamps and a plurality of keys, wherein the large-scale integrated circuit is connected with a main control CPU through communication ports, and the digital tubes, the LED indicating lamps and the keys are all connected with the large-scale integrated circuit. The large-scale integrated circuit adopts a chip U1; 24-27 pins of the large-scale integrated circuit are the communication ports connected with the main control CPU; a 9 pin and a 10 pin of the U1 are both grounded; a 14 pin and a 23 pin of the U1 are both connected with a voltage VCC; a parallel circuit of capacitors C1 and C2 is connected between the voltage VCC and ground; and 1-8 pins and 15-22 pins of the U1 are signal output pins connected with the digital tubes, the LED indicating lamps and the keys. The sewing machine operation panel circuit only needs to use one CPU processor, simplifies structural design of a main control program, saves input/output port resources of the CPU processor, reduces cost, solves the problem of interference caused by a comparatively long communication line and improves reliability.
Description
Technical field
The utility model belongs to Sewing machines and makes the field, relates in particular to a kind of Sewing machines guidance panel circuit.
Background technology
The Sewing machines guidance panel will be finished the demonstration of the setting of Sewing machines parameter, duty indication and various parameters.Common way is to adopt a CPU processor to carry out signals collecting and processing, goes to carry out after then data being delivered to master cpu again.Sort circuit, the primary control program complex structure, the I/O port resource of waste CPU processor, cost is higher.
Summary of the invention
The utility model mainly solves original Sewing machines guidance panel circuit will use two CPU processors, primary control program complex structure, the I/O port resource of waste CPU processor, cost technical problems of high; Provide a kind of to need to save cost with a CPU processor, simplified design shortens communication line greatly, reduces to disturb, and improves the Sewing machines guidance panel circuit of reliability.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises large scale integrated circuit, several digital pipes, several LED lights and several buttons that links to each other with master cpu by communication port, and described charactron, LED light and button all link to each other with described large scale integrated circuit.Button is finished the setting of Sewing machines parameter, flows to large scale integrated circuit, directly carries out communication by large scale integrated circuit by communication port and master cpu again, makes Sewing machines by setting execution work.Simultaneously, send control signal by large scale integrated circuit and drive charactron and LED light, charactron is finished the demonstration of parameter, and LED light is finished the demonstration of Sewing machines work state.By using large scale integrated circuit, simplified the structural design of primary control program, saved CPU processor I/O port resource.Adopt large scale integrated circuit, realize friendly man-machine interface, and finish with the master cpu processor communicate with one another, exchanges data.Solve the interference problem that longer communication line causes, improved reliability.
As preferably, described large scale integrated circuit adopts chip U1, its 24～27 pin is a communication port, link to each other with master cpu, 9 pin of U1, the equal ground connection of 10 pin, 14 pin, 23 pin of U1 all meet voltage VCC, are connected with the parallel circuit of capacitor C 1 and C2 between voltage VCC and ground, 1～8 pin of U1 and 15～22 pin are signal output pins, link to each other with described charactron, LED light and button.
As preferably, described charactron 3 has three, be respectively U2, U3, U4, described LED light 4 has eight, is respectively D1, D2, D3, D4, D5, D6, D7, D8, and described button 5 has eight, be respectively S1, S2, S3, S4, S5, S6, S7, S8, one end of eight buttons connects together and all links to each other with an end of resistance R 9, and the other end of resistance R 9 links to each other with 8 pin of U1, and the other end of eight buttons links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively; 8 pin of U1 also promptly choose pin to link to each other with 3 pin of charactron U2,7 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U3,6 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U4, and 15～22 pin of U1 link to each other with 7 pin, 6 pin, 4 pin, 2 pin, 1 pin, 9 pin, 10 pin, 5 pin of charactron U2, U3 and U4 through resistance R 1～R8 respectively; The negative pole of LED light D1, D2, D3, D4, D5, D6, D7 and D8 connects together and links to each other with 7 pin of U1, and the positive pole of D8, D7, D6, D5, D4, D3, D2 and D1 links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively.
The beneficial effects of the utility model are: by using large scale integrated circuit, make Sewing machines guidance panel circuit only need use a CPU processor, simplified the structural design of primary control program, saved CPU processor I/O port resource, save cost.And have friendly man-machine interface, and finish and the communicating with one another of master cpu, exchanges data, solved the interference problem that longer communication line causes, improve reliability.
Description of drawings
Fig. 1 is a kind of circuit catenation principle block diagram of the present utility model.
Fig. 2 is a kind of circuit theory diagrams of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the Sewing machines guidance panel circuit of present embodiment, as shown in Figure 1, comprise the large scale integrated circuit 2, a plurality of charactron 3, a plurality of LED light 4 and a plurality of button 5 that link to each other with master cpu 1 by communication port 6, charactron 3, LED light 4 and button 5 all link to each other with large scale integrated circuit 2.In the present embodiment, as shown in Figure 2, charactron 3 has three, is respectively U2, U3, U4, and LED light 4 has eight, is respectively D1, D2, D3, D4, D5, D6, D7, D8, and button 5 has eight, is respectively S1, S2, S3, S4, S5, S6, S7, S8.Large scale integrated circuit 2 adopts chip U1, its 24～27 pin is a communication port 6, link to each other with master cpu 1,9 pin of U1, the equal ground connection of 10 pin, 14 pin, 23 pin of U1 all meet voltage VCC, be connected with the parallel circuit of capacitor C 1 and C2 between voltage VCC and ground, 1～8 pin of U1 and 15～22 pin are signal output pins.One end of eight buttons of S1～S8 connects together and all links to each other with an end of resistance R 9, and the other end of resistance R 9 links to each other with 8 pin of U1, and the other end of eight buttons of S1～S8 links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively.8 pin of U1 also promptly choose pin to link to each other with 3 pin of charactron U2, and 7 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U3, and 6 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U4.15～22 pin of U1 link to each other with 7 pin, 6 pin, 4 pin, 2 pin, 1 pin, 9 pin, 10 pin, 5 pin of charactron U2, U3 and U4 through resistance R 1～R8 respectively.The negative pole of LED light D1, D2, D3, D4, D5, D6, D7 and D8 connects together and links to each other with 7 pin of U1, and the positive pole of D8, D7, D6, D5, D4, D3, D2 and D1 links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively.Present embodiment chips U1 adopts charactron to drive and keyboard control chip CH452A.
Eight buttons of the course of work: S1～S8 are finished the setting of Sewing machines parameter, flow to large scale integrated chip U1, directly carry out communication by U1 by communication port and master cpu again, make Sewing machines by setting execution work.Simultaneously, send control signal by large scale integrated circuit U1 and drive U2, U3 and three charactrons of U4 and eight LED lights of D1～D8, three charactrons are finished the demonstration of parameter, and eight LED lights are finished the demonstration of Sewing machines work state.
As required, charactron, button and LED light can increase, and circuit does not need to carry out big change.The Sewing machines guidance panel circuit that uses 5 charactrons, 32 buttons and 24 LED lights is also arranged, to satisfy instructions for use.This circuit is used on the Sewing machines guidance panel, has simplified design greatly, saves cost, shortens the R﹠D cycle.
Claims (3)
1. Sewing machines guidance panel circuit, it is characterized in that comprising large scale integrated circuit (2), several digital pipe (3), several LED lights (4) and several buttons (5) of linking to each other with master cpu (1) by communication port (6), described charactron (3), LED light (4) and button (5) all link to each other with described large scale integrated circuit (2).
2. Sewing machines guidance panel circuit according to claim 1, it is characterized in that described large scale integrated circuit (2) adopts chip U1, its 24～27 pin is communication port (6), link to each other with master cpu (1), 9 pin of U1, the equal ground connection of 10 pin, 14 pin, 23 pin of U1 all meet voltage VCC, are connected with the parallel circuit of capacitor C 1 and C2 between voltage VCC and ground, 1～8 pin of U1 and 15～22 pin are signal output pins, link to each other with described charactron (3), LED light (4) and button (5).
3. Sewing machines guidance panel circuit according to claim 2, it is characterized in that described charactron (3) has three, be respectively U2, U3, U4, described LED light (4) has eight, be respectively D1, D2, D3, D4, D5, D6, D7, D8, described button (5) has eight, be respectively S1, S2, S3, S4, S5, S6, S7, S8, one end of eight buttons connects together and all links to each other with an end of resistance R 9, the other end of resistance R 9 links to each other with 8 pin of U1, and the other end of eight buttons links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively; 8 pin of U1 also promptly choose pin to link to each other with 3 pin of charactron U2,7 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U3,6 pin of U1 promptly choose pin to link to each other with 3 pin of charactron U4, and 15～22 pin of U1 link to each other with 7 pin, 6 pin, 4 pin, 2 pin, 1 pin, 9 pin, 10 pin, 5 pin of charactron U2, U3 and U4 through resistance R 1～R8 respectively; The negative pole of LED light D1, D2, D3, D4, D5, D6, D7 and D8 connects together and links to each other with 7 pin of U1, and the positive pole of D8, D7, D6, D5, D4, D3, D2 and D1 links to each other with 15～22 pin of U1 through resistance R 1～R8 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920305492XU CN201495388U (en) | 2009-07-02 | 2009-07-02 | Sewing machine operation panel circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920305492XU CN201495388U (en) | 2009-07-02 | 2009-07-02 | Sewing machine operation panel circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201495388U true CN201495388U (en) | 2010-06-02 |
Family
ID=42438596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920305492XU Expired - Fee Related CN201495388U (en) | 2009-07-02 | 2009-07-02 | Sewing machine operation panel circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201495388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554854A (en) * | 2018-12-24 | 2019-04-02 | 浙江众邦机电科技有限公司 | A kind of sewing machine operation panel with sensor signal processing function |
-
2009
- 2009-07-02 CN CN200920305492XU patent/CN201495388U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554854A (en) * | 2018-12-24 | 2019-04-02 | 浙江众邦机电科技有限公司 | A kind of sewing machine operation panel with sensor signal processing function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102801818B (en) | Universal sensor interface acquisition system based on ZigBee technology | |
| CN202085097U (en) | Intelligent controller for photovoltaic confluence box | |
| CN101000597A (en) | IP kernel of embedded Java processor based on AMBA | |
| CN101706762A (en) | Intelligent type signal transfer system | |
| CN105468568A (en) | High-efficiency coarse granularity reconfigurable computing system | |
| CN109189714A (en) | A kind of signal processing system of double processing nodes based on Arria10 FPGA | |
| CN204515764U (en) | A kind of SPI interface bus structure | |
| CN201378272Y (en) | Computer flat machine control device | |
| CN209103281U (en) | Integrated multi-bus interface module based on pci interface | |
| CN201495388U (en) | Sewing machine operation panel circuit | |
| CN202029362U (en) | Novel injection molding machine control system function expansion device | |
| CN205210574U (en) | Two obs core control modules based on microcontroller realizes FPGA data configuration | |
| CN202904427U (en) | Clock tree generation circuit with multiple function modes | |
| CN214376417U (en) | Embedded machine tool alarm text reading device and PCB structure thereof | |
| CN201590909U (en) | Wireless sensor network node sensor standardization interface circuit | |
| CN207649880U (en) | A kind of optical module test system of changeable circuit | |
| CN201667071U (en) | Signal transfer system | |
| CN204631788U (en) | A kind of novel three end touch-switchs | |
| CN201444302U (en) | SOC chip with pin capable of being configured | |
| CN104109938B (en) | Textile device and control circuit board of automatic equipment | |
| CN203225567U (en) | Battery management system with single program initiation (SPI) communication driver circuit | |
| CN204791712U (en) | Experimental development board based on singlechip | |
| CN202383253U (en) | Scan chain asynchronous reset register reset port processing circuit | |
| CN204650202U (en) | A kind of CPLD of utilization realizes the single-chip computer control system of ports-Extending | |
| CN202372816U (en) | Multi-processor control system for expansion glove machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20110702 |