CN200993836Y - Electronic teaching measurement and control comprehensive experimental box - Google Patents
Electronic teaching measurement and control comprehensive experimental box Download PDFInfo
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- CN200993836Y CN200993836Y CNU2006201735097U CN200620173509U CN200993836Y CN 200993836 Y CN200993836 Y CN 200993836Y CN U2006201735097 U CNU2006201735097 U CN U2006201735097U CN 200620173509 U CN200620173509 U CN 200620173509U CN 200993836 Y CN200993836 Y CN 200993836Y
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Abstract
The utility model relates to an electronic teaching test control composite experiment box, and is composed of a power supply (1), and is characterized in that: a signal input module (2) and a signal output module (3) are provided. Comparing with the existing technology, the parts and components of the utility model can be conveniently connected and disassembled, and the input controlling, indicated output observing and experimental result verification can be done conveniently, and the connection task as signal input, output and display can be completed, and all computer test control experiments can be made conveniently, and can greatly promote the experimental efficiency and save time.
Description
Technical field:
The utility model relates to a kind of electronic instruction observing and controlling comprehensive experiment box.
Background technology:
In electronic instruction, understand the principle of work, state etc. of various electronic devices and components for making the student, such as electrical signal wave, voltage, electric current etc., the data collecting card that normal use can be connected with computing machine is gathered the signal of components and parts and demonstration on computers.
But all components and parts in the present experiment, as sensor, power supply, relay, pilot lamp etc., all be to be scattered on the experiment table, peripheral component too disperses, brought many inconvenience for the maintenance of student's wiring and components and parts, the student also need be connected to above-mentioned components and parts on the capture card by lead or connection terminal in experiment one by one simultaneously, has wasted a large amount of experimental periods, and conventional efficient is very low.
Summary of the invention:
The purpose of this utility model provide a kind of can be by the data acquisition card connection that is connected with computing machine, and can control input easily and observe indication output, confirmatory experiment result, can finish the wiring tasks such as input, output, demonstration of signal, carry out various computer measurement and controls experiments easily, the display element device feature, and can improve conventional efficient, time saving electronic instruction observing and controlling comprehensive experiment box greatly.
The utility model comprises power supply (1), it is characterized in that being provided with signal input module (2) and signal output module (3).
Described signal input module comprises:
At least 1 the tunnel can connect the pulsed quantity input interface JX1 of signal generator XH;
At least 1 the tunnel can connect the analog input interface JX2 of potentiometer W, and this interface JX2 parallel connection is provided with the pilot lamp D1 that display voltage changes size;
At least 1 the tunnel detects the input interface JX3 of analog quantity temperature signal, is provided with the BT with conversion of analog quantity temperature signal and output between this interface JX3 and the signal output part;
At least 2 road digital quantity switching signal input interface JX4, JX5,
Be respectively equipped with relay J 1 and J2 between described interface JX4, JX5 and the signal output part, with relay J 1 signal meter (SM) D4 and the switch J1K1 of being provided with in parallel, be series connection between signal meter (SM) D4 and the switch J1K1, and switch J1K1 is a normal opened contact of relay J 1, and another normal opened contact J1K2 of relay J 1 is located in the voltage circuit of this path switching signal input interface JX4; With relay J 2 signal meter (SM) D5 and the switch J2K1 of being provided with in parallel, be series connection between signal meter (SM) D5 and the switch J2K1, and switch J2K1 is a normal opened contact of relay J 2, another normal opened contact J2K2 of relay J 2 and relay J 2 be in parallel to be located in the voltage circuit of this path switching signal input interface JX5, is provided with power supply DC2 simultaneously and inserts;
Described signal output module comprises:
At least 1 road analog output interface circuit JX7 is parallel with signal meter (SM) D6 in the voltage circuit of this interface JX7;
At least 2 tunnel digital-quantity output interface JX6, JX8, have at least among above-mentioned interface JX6, the JX8 one the tunnel and signal input part between be provided with relay J 3, with relay J 3 signal meter (SM) D7 and the switch J3K of being provided with in parallel, be series connection between signal meter (SM) D7 and the switch J3K, and switch J3K is a normal opened contact of relay J 3, simultaneously, be provided with switch triode BG in the voltage circuit of relay J 3, the control utmost point of switch triode BG connects signal input part.
During use, the input of experimental box, output terminal by data collecting card PCI with after computer PC is connected, with signal generator XH, oscillograph SB1, SB2, potentiometer W, thermal resistance sensor R2, electric switch K3, photoelectricity peg graft and can experimentize by the interface of connection terminal and experimental box near equipment such as switch DK or components and parts.Compared with prior art, the connection of components and parts and dismounting are all very convenient when using the utility model, and can control input easily and observe indication output, confirmatory experiment result, can finish the wiring tasks such as input, output, demonstration of signal, carry out various computer measurement and controls experiments easily, can improve conventional efficient greatly, save time.
Description of drawings:
Accompanying drawing is the structural representation of an embodiment of the utility model.
1 is power supply shown in the figure, and 2 is signal input module, and 3 is signal output module.AC is the alternating current input, and BG is a triode, and BT is a temperature transmitter, DC is a vertoro, DC1, DC2 is a power supply terminal, and D1～D7 is a signal meter (SM), and DK is that photoelectricity is near switch, FU1, FU2 is a fuse cutout, J1～J3 is a relay, J1K1, J1K2, J2K1, J2K2, J3K is respectively the cut-in point of relay J 1～J3, and JX1～JX11 is a connection terminal, K1～K3 is a switch, KK is an air switch, and PC is a microcomputer, and PCI is a data collecting card, Pt is a thermal resistance, R1, R2 is a resistance, SB1, SB2 is an oscillograph, and W is a variable potentiometer, XH is a signal generator
Embodiment:
With reference to accompanying drawing,, form by power supply 1, signal input module 2 and signal output module 3 for the structural representation of the experimental box that is connected with the PCI1710HG capture card.
Described signal input module 2 comprises:
1 the tunnel can connect the pulsed quantity input interface JX1 of signal generator XH, and its signal output part then is connected to 38,39 pin of capture card pci interface, inserts signal generator XH during use.
1 the tunnel can connect the analog input interface JX2 of potentiometer W, this interface JX2 parallel connection is provided with the pilot lamp D1 that display voltage changes size, its signal output part then is connected to 60,68 pin of capture card pci interface, the interface JX2 potentiometer W that can peg graft during use, and insert terminal by direct supply DC1 and be connected with power supply DC.
1 the tunnel detects the input interface JX3 of analog quantity temperature signal, be provided with BT between this interface JX3 and the signal output part with conversion of analog quantity temperature signal and output, its signal output part then is connected to 34,60 pin of capture card pci interface, the interface JX3 thermal resistance Pt. that can peg graft during use
2 road digital quantity switching signal input interface JX4, JX5, its signal output part then is connected to 56,48 and 22 pin of capture card pci interface respectively.
Be respectively equipped with relay J 1 and J2 between described interface JX4, JX5 and the signal output part, with relay J 1 signal meter (SM) D4 and the switch J1K1 of being provided with in parallel, be series connection between signal meter (SM) D4 and the switch J1K1, and switch J1K1 is a normal opened contact of relay J 1, another normal opened contact J1K2 of relay J 1 is located in the voltage circuit of this path switching signal input interface JX4, this interface JX4 is connected with direct supply DC2 during use, and in the voltage circuit of direct supply DC2 series connected switches K3; With relay J 2 signal meter (SM) D5 and the switch J2K1 of being provided with in parallel, be series connection between signal meter (SM) D5 and the switch J2K1, and switch J2K1 is a normal opened contact of relay J 2, another normal opened contact J2K2 of relay J 2 and relay J 2 be in parallel to be located in the voltage circuit of this path switching signal input interface JX5, be provided with power supply DC2 simultaneously and insert, this interface JX5 connection photoelectricity gets final product near switch DK during use;
Described signal output module 3 comprises:
1 road analog output interface circuit JX7 is parallel with signal meter (SM) D6 in the voltage circuit of this interface JX7, and its signal input part then is connected to 37,58 pin of capture card pci interface, and interface JX7 inserts oscillograph SB2 during use.
3 tunnel digital-quantity output interface JX6, JX8, JX9, the signal input part of interface JX6 are connected to 37,39 pin of capture card pci interface, and interface JX6 can meet oscillograph SB1 during use.
Two-way interface JX8, JX9 and signal input part are connected to 13,47 pin of capture card pci interface in addition, be provided with relay J 3 between interface JX8, JX9 and the signal input part, with relay J 3 signal meter (SM) D7 and the switch J3K of being provided with in parallel, be series connection between signal meter (SM) D7 and the switch J3K, and switch J3K is a normal opened contact of relay J 3, simultaneously, be provided with switch triode BG in the voltage circuit of relay J 3, the control utmost point of switch triode BG connects signal input part.Described interface JX8, JX9 are connected with direct supply DC2 and get final product during use.
Claims (1)
1, a kind of electronic instruction observing and controlling comprehensive experiment box comprises power supply (1), it is characterized in that being provided with signal input module (2) and signal output module (3),
Described signal input module comprises:
At least 1 the tunnel can connect the pulsed quantity input interface JX1 of signal generator XH;
At least 1 the tunnel can connect the analog input interface JX2 of potentiometer W, and this interface JX2 parallel connection is provided with the pilot lamp D1 that display voltage changes size;
At least 1 the tunnel detects the input interface JX3 of analog quantity temperature signal, is provided with the BT with conversion of analog quantity temperature signal and output between this interface JX3 and the signal output part;
At least 2 road digital quantity switching signal input interface JX4, JX5,
Be respectively equipped with relay J 1 and J2 between described interface JX4, JX5 and the signal output part, with relay J 1 signal meter (SM) D4 and the switch J1K1 of being provided with in parallel, be series connection between signal meter (SM) D4 and the switch J1K1, and switch J1K1 is a normal opened contact of relay J 1, and another normal opened contact J1K2 of relay J 1 is located in the voltage circuit of this path switching signal input interface JX4; With relay J 2 signal meter (SM) D5 and the switch J2K1 of being provided with in parallel, be series connection between signal meter (SM) D5 and the switch J2K1, and switch J2K1 is a normal opened contact of relay J 2, another normal opened contact J2K2 of relay J 2 and relay J 2 be in parallel to be located in the voltage circuit of this path switching signal input interface JX5, is provided with power supply DC2 simultaneously and inserts;
Described signal output module comprises:
At least 1 road analog output interface circuit JX7 is parallel with signal meter (SM) D6 in the voltage circuit of this interface JX7;
At least 2 tunnel digital-quantity output interface JX6, JX8, above-mentioned connect have at least among JX6, the JX8 one the tunnel and signal input part between be provided with relay J 3, with relay J 3 signal meter (SM) D7 and the switch J3K of being provided with in parallel, be series connection between signal meter (SM) D7 and the switch J3K, and switch J3K is a normal opened contact of relay J 3, simultaneously, be provided with switch triode BG in the voltage circuit of relay J 3, the control utmost point of switch triode BG connects signal input part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201735097U CN200993836Y (en) | 2006-12-26 | 2006-12-26 | Electronic teaching measurement and control comprehensive experimental box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201735097U CN200993836Y (en) | 2006-12-26 | 2006-12-26 | Electronic teaching measurement and control comprehensive experimental box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993836Y true CN200993836Y (en) | 2007-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201735097U Expired - Fee Related CN200993836Y (en) | 2006-12-26 | 2006-12-26 | Electronic teaching measurement and control comprehensive experimental box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993836Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894923A (en) * | 2016-06-21 | 2016-08-24 | 天津大学 | Measurement and control circuit comprehensive experiment box and method for dynamically tuned gyroscope rebalance loop |
-
2006
- 2006-12-26 CN CNU2006201735097U patent/CN200993836Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894923A (en) * | 2016-06-21 | 2016-08-24 | 天津大学 | Measurement and control circuit comprehensive experiment box and method for dynamically tuned gyroscope rebalance loop |
| CN105894923B (en) * | 2016-06-21 | 2018-10-19 | 天津大学 | The telemetry circuit comprehensive experiment box and method of dynamically tuned gyro, DTG rebalance loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |