CN201780707U - Digital information source state analysis experiment box - Google Patents
Digital information source state analysis experiment box Download PDFInfo
- Publication number
- CN201780707U CN201780707U CN2010202419002U CN201020241900U CN201780707U CN 201780707 U CN201780707 U CN 201780707U CN 2010202419002 U CN2010202419002 U CN 2010202419002U CN 201020241900 U CN201020241900 U CN 201020241900U CN 201780707 U CN201780707 U CN 201780707U
- Authority
- CN
- China
- Prior art keywords
- lower panel
- state analysis
- source state
- jack
- information source
- 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
Images
Abstract
The utility model relates to a digital information source state analysis experiment box, which comprises an upper box body, a lower box body and a plurality of connecting wires, wherein the upper and the lower box bodies are hinged and buckled together; the upper box body comprises an upper storage box on the left side and an upper panel on the right side; the lower box body comprises a lower storage box on the left side, a lower panel on the right side, a 220 V power socket positioned on the outer side of the lower box body, and a control circuit based on an ARM (Advanced RISC Machines) built-in system and positioned on the reverse surface of the lower panel. By solving the technical problems in the current digital information source state analysis experiment that the less information source state and the simple state analysis method do not satisfy the requirement of complicated information source and multi-channel state analysis experiments, the digital information source state analysis experiment box provided by the utility model has more information source state, more state analysis method, reasonable layout, and convenience in wiring.
Description
Technical field
The utility model relates to a kind of digital signal circuit experimental facilities.
Background technology
Digital source and state analysis instrument are important instruments in the digital display circuit debugging experiment.Traditional digital experiment case information source part only contains single, continuous impulse and three kinds of information sources of high-low level, the state analysis means are just by static analysis means such as LED, charactrons, therefore the system debug that very difficult reply is complicated slightly presses for the hyperchannel state analysis experimental apparatus that contains complicated information source in digital circuit teaching and CPLD teaching.
Summary of the invention
The utility model purpose provides a kind of digital source state analysis experimental box, and it has solved existing digital source and state analysis instrument information source state is few, the state analysis means are simple, can't satisfy the technical matters of complicated information source and the experiment of hyperchannel state analysis.
Technical solution of the present utility model:
A kind of digital source state analysis experimental box, its special character is:
Comprise that the upper box 1 that can hingedly snap together and lower box 2 and many are connected lead 3;
Described upper box 1 comprises the last storage tank 10 in left side and the top panel 11 on right side;
Described lower box 2 comprise following storage tank 20, the right side in left side lower panel 26, be positioned at the lower box outside 220V supply socket 29, be positioned at the control circuit based on the ARM embedded system at lower panel 26 back sides;
But described top panel 11 comprises equally distributed ten user areas of two rows 17, five jacks 16 that can connect 18,14, ten ground connection of supply hub of 3.3V or 5V; Each ten pin jack 12 that described each user area 17 comprises the 20 pin integrated circuit sockets 13 at middle part and is positioned at 20 pin integrated circuit sockets, 13 both sides, described each pin jack 12 is electrically connected with the pin of 20 pin integrated circuit sockets, 13 relevant positions respectively;
Described lower panel 26 comprises display screen 22, eight output plugholes 21 that are positioned at the lower panel left side central portion, the 3.3V supply hub 281 and earth jack 282 and 5V supply hub 283 and the power selection switch 23 that are positioned at top, lower panel left side, 16 input jacks 27 that are positioned at top, lower panel right side that are positioned at below, lower panel left side, the input keyboard 25 that is positioned at below, lower panel right side;
Described control circuit be used to receive input keyboard 25 order, connect output plughole 21 and input jack 27, the shows signal of display screen 22 be provided.
The plug 31 that above-mentioned connection lead 3 comprises lead 30 and is arranged on the lead both ends, described plug 31 comprises the outer conductive pole 33 that can cooperate with jack, the interior conductive hole 32 that can cooperate with outer conductive pole 33, and described outer conductive pole 33 is with interior conductive hole 32 coaxial settings and be electrically connected.
Above-mentioned input keyboard 25 comprises nine function keys and 16 16 system enter keies.
Above-mentioned lower panel 26 comprises two power lights 24 that are used for the display power supply selection result.
The advantage that the utility model had:
1, the utility model information source state is many, the state analysis means are many.The utility model can provide 3.3V and 5V direct supply; Single pulse, 1～999Hz continuous impulse, eight road random digital signals, the output of eight road high-low levels can be provided; Can provide the demonstration of 16 paths of LEDs, 4 charactron demonstrations, 16 tunnel logic analysis waveforms to show, the 16 tunnel trigger waveforms shows; Have 600 store statuss.So the utility model can be used for the fields such as basic experiment of digital circuit experiment class, course design of Digital Electrocircuit, CPLD experiment able to programme.
2, the utility model digital source state analysis experimental box is rationally distributed, easy-to-connect.The utility model adopts the structure of upper and lower surfaces plate, and each other by the lead connection of fast insert-pull, simple and clear, be convenient to experimental implementation and teaching.
3, the utility model adopts to fasten in body structure and the casing and is provided with storage tank, fastens body structure and is convenient to store up and protect, and can place the article of integrated circuit block commonly used, connection lead, common tool in the storage tank, and is convenient and practical.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is used to connect the synoptic diagram of the earth jack of upper and lower panel for the structural representation of lead 3 and lead 3.
Wherein description of drawings is: the 1-upper box, and the 2-lower box, 3-connects lead, the last storage tank of 10-, 11-top panel, 12-pin jack, 13-20 pin integrated circuit socket, 14-can connect the supply hub of 5V, but the jack of 16-ground connection, the 17-user area, 18-can connect the supply hub of 3.3V, storage tank under the 20-, 21-output plughole, 22-display screen, the 23-power selection switch, the 24-power light; The 25-input keyboard, 26-lower panel, 27-input jack, 281-3.3V supply hub, 282-earth jack, 283-5V supply hub, 29-supply socket, 30-lead, conductive hole in the 31-plug, 32-, the outer conductive pole of 33-.
Embodiment
The utility model digital source state analysis experimental box comprises that the hinged upper box that snaps together 1 and lower box 2 and many are connected lead 3; Upper box 1 comprises the last storage tank 10 in left side and the top panel 11 on right side; Lower box 2 comprise following storage tank 20, the right side in left side lower panel 26, be positioned at the lower box outside 220V supply socket 29, be positioned at the control circuit based on the ARM embedded system at lower panel 26 back sides;
But top panel 11 comprises equally distributed ten user areas of two rows 17, five jacks 16 that can connect 18,14, ten ground connection of supply hub of 3.3V or 5V; Each ten pin jack 12 that user area 17 comprises the 20 pin integrated circuit sockets 13 at middle part and is positioned at 20 pin integrated circuit sockets, 13 both sides, described each pin jack 12 is electrically connected with the pin of 20 pin integrated circuit sockets, 13 relevant positions respectively;
Control circuit be used to receive input keyboard 25 order, connect output plughole 21 and input jack 27, the shows signal of display screen 22 be provided.
Connect the plug 31 that lead 3 comprises lead 30 and is arranged on the lead both ends, plug 31 comprises the interior conductive hole 32 that the outer conductive pole 33 that cooperates with jack cooperates with outer conductive pole, and outer conductive pole 33 is with interior conductive hole 32 coaxial settings and be electrically connected.
Use of the present utility model:
1, the power lead that will indicate 220V inserts commercial power socket, connects switch, and panel leds is bright, the liquid crystal display master menu, and expression experimental box power work is normal.
2, single pulse output is provided with: by the p/p key in the function key is exportable single pulse.
3, continuous impulse output is provided with: (sequence is counter to be selected to make * point in the menu sequence-ENTER by the UP in the function key, DN key, have cursor to glimmer under the numeral)-numerical key key entry frequency values (1Hz-999Hz)-ENTER (the down no cursor flicker of numeral), can export the continuous impulse that set frequency from OUT2.Return master menu by the Clr key in the function key.
4, derived digital signal output is provided with: make * point to DSS-ENTER (DSS is counter to be selected) in the menu-numerical key by the UP in the function key, DN key and key in needed number signal-ENTER (lower right corner numeral cursor flicker)-numerical key message from keyboard number-ENTER (the down no cursor flicker of numeral), can set digital signal from OUT1-OUT8 output.Return master menu by the Clr key in the function key.
5, charactron shows: make * point to the anti-choosing of 7-segLED-ENTER (7-segLED) in the menu by the UP in the function key, DN key, occur 0000 on the screen, every is sexadecimal number, wherein IN1-IN4, IN5-IN8, IN9-IN12, IN13-IN16 are corresponding with it respectively, and the user can import measured signal IN1-IN16 and observe.Return master menu by the Clr key in the function key.
6, high-low level shows: make * point to LED-ENTER (LED is counter to be selected) in the menu by the UP in the function key, DN key, and 16 zero corresponding IN1-IN16 of difference of screen the first half output, during input high level, zero of correspondence becomes ●, otherwise be zero; Eight zero of the latter half input are corresponding OUT1-OUT8 respectively, by the 0-7 key control, when 0 key was pressed, corresponding zero became ●, OUT1 export high level, presses 0 key correspondence once more ● become zero, the OUT1 output low level, by that analogy.
7, logic analysis function (waveform demonstration): make * point to waveform-ENTER (waveform is counter to be selected) in the menu by the UP in the function key, DN key, respectively corresponding ten six road waveforms of IN1-IN16, as long as input state changes, then state of the many demonstrations of waveform stops waveform by the p/p key and shows.Return master menu by the Clr key.
8, the triggering waveform shows: by the UP in the function key, the DN key makes * point in the menu trigger-ENTER, and (trigger is counter to be selected, cursor flicker under the 4-digit number)-numerical key key entry numerical value-ENTER (the down no cursor flicker of numeral), the key entry 4-digit number is a sexadecimal number, corresponding successively IN1-IN16, when input state equates with key entry numerical value, then triggering waveform shows, use a cursor pointing trigger position simultaneously, after being presented at the triggering attitude, and can store 90 waveforms that trigger after waveform before the attitudes and 510 trigger attitude, the same waveform of all the other functions shows, otherwise does not have demonstration.Return master menu by the Clr key.
Claims (4)
1. digital source state analysis experimental box is characterized in that:
Comprise that the upper box (1) that can hingedly snap together and lower box (2) and many are connected lead (3);
Described upper box (1) comprises the last storage tank (10) in left side and the top panel (11) on right side;
Described lower box (2) comprise following storage tank (20), the right side in left side lower panel (26), be positioned at the lower box outside 220V supply socket (29), be positioned at the control circuit based on the ARM embedded system at lower panel (26) back side;
Described top panel (11) comprise two row equally distributed ten user areas (17), five supply hubs (18) that can meet 3.3V maybe can connect 5V supply hub (14) but, the jack (16) of ten ground connection; Each ten pin jack (12) that described each user area (17) comprises the 20 pin integrated circuit sockets (13) at middle part and is positioned at 20 pin integrated circuit socket (13) both sides, described each pin jack (12) is electrically connected with the pin of 20 pin integrated circuit socket (13) relevant positions respectively;
Described lower panel (26) comprises display screen (22), eight output plugholes (21) that are positioned at the lower panel left side central portion, the 3.3V supply hub (281) and earth jack (282) and 5V supply hub (283) and the power selection switch (23) that are positioned at top, lower panel left side, 16 input jacks (27) that are positioned at top, lower panel right side that are positioned at below, lower panel left side, the input keyboard (25) that is positioned at below, lower panel right side;
Described control circuit be used to receive input keyboard (25) order, connect input jack (27) and output plughole (21), the shows signal of display screen (22) be provided.
2. digital source state analysis experimental box according to claim 1, it is characterized in that: the plug (31) that described connection lead (3) comprises lead (30) and is arranged on the lead both ends, described plug (31) comprises the outer conductive pole (33) that can cooperate with jack, the interior conductive hole (32) that can cooperate with outer conductive pole (33), and described outer conductive pole (33) is with the coaxial setting of interior conductive hole (32) and be electrically connected.
3. digital source state analysis experimental box according to claim 1 and 2 is characterized in that: described input keyboard (25) comprises nine function keys and 16 16 system enter keies.
4. digital source state analysis experimental box according to claim 3 is characterized in that: described lower panel (26) comprises two power lights (24) that are used for the display power supply selection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202419002U CN201780707U (en) | 2010-06-30 | 2010-06-30 | Digital information source state analysis experiment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202419002U CN201780707U (en) | 2010-06-30 | 2010-06-30 | Digital information source state analysis experiment box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780707U true CN201780707U (en) | 2011-03-30 |
Family
ID=43793914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202419002U Expired - Fee Related CN201780707U (en) | 2010-06-30 | 2010-06-30 | Digital information source state analysis experiment box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750865A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory practical training circuit and device for wire fused in case of circuit overload |
-
2010
- 2010-06-30 CN CN2010202419002U patent/CN201780707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750865A (en) * | 2012-06-08 | 2012-10-24 | 郑州万特电气有限公司 | Somatosensory practical training circuit and device for wire fused in case of circuit overload |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103761942B (en) | The numeral method of tool array display multiplexing algorithm and key control chip | |
| CN101281697A (en) | Multifunctional single-chip experimental development plate | |
| CN202102624U (en) | Integral experiment system for preventing electricity fraudulent use | |
| CN217306014U (en) | Non-code hand-held programming device | |
| CN201780707U (en) | Digital information source state analysis experiment box | |
| CN202650370U (en) | Design and teaching platform for embedded system | |
| CN202171889U (en) | Portable universal CPLD/FPGA teaching experimental instrument | |
| CN104237619A (en) | Intelligent avometer | |
| CN103915023A (en) | Digital circuit experiment device and experiment method | |
| CN202171892U (en) | Teaching platform for digital system design | |
| CN207082253U (en) | Contact pin type microcomputer development plate with circuit autonomous Design and circuit expanding function | |
| CN201465353U (en) | Demonstration device for terminating fault of twisted pair | |
| CN202258050U (en) | Novel digital electronic technology and single chip comprehensive experiment box | |
| CN202110679U (en) | Child teaching system | |
| CN101901562B (en) | Electronic control experimental device | |
| CN202003567U (en) | Experimental teaching device of electrical and electronic technology | |
| CN109270393A (en) | A kind of pulse wire | |
| CN211375968U (en) | Children intelligence-developing teaching aid with electronic calculator | |
| CN209183082U (en) | A kind of experimental teaching unit of integrated electronics route and FPGA course | |
| CN202795888U (en) | Modular programmable control practical training device | |
| CN203746396U (en) | Nixie tube display and key control chip with array type display multiplexing algorithm | |
| CN203882505U (en) | Portable teaching aid used for circuit analysis basic experiments | |
| CN202887556U (en) | FPGA experiment development board | |
| CN203165312U (en) | Open type single-chip microcomputer experimental board | |
| CN207571257U (en) | Multichannel transistor array testing auxiliary device |
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: 20110330 Termination date: 20120630 |