CN201838236U - Simple electronic circuit on and off detector for teaching - Google Patents
Simple electronic circuit on and off detector for teaching Download PDFInfo
- Publication number
- CN201838236U CN201838236U CN2010205415380U CN201020541538U CN201838236U CN 201838236 U CN201838236 U CN 201838236U CN 2010205415380 U CN2010205415380 U CN 2010205415380U CN 201020541538 U CN201020541538 U CN 201020541538U CN 201838236 U CN201838236 U CN 201838236U
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- Prior art keywords
- socket
- box body
- electronic circuit
- teaching
- break
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Abstract
The utility model discloses a simple electronic circuit on and off detector for teaching, which comprises a box body that is provided with a small socket, a light-emitting diode (LED), a large socket and a lamp bulb, wherein the small socket, the LED, the large socket and the lamp bulb are connected with a circuit in the box body by leads; the small socket is a resistance judgment end or an on and off detection end; and the large socket is an on and off detection end or a resistance judgment end. The detector is not only rapid in speed of on and off detection of the circuit, but also simple in structure, easy to manufacture and very low in manufacturing cost and is very suitable for teaching in primary and secondary schools.
Description
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of simple and easy electronic circuit break-make detecting device of the usefulness of imparting knowledge to students.
Background technology
Present known electronic circuit detecting device is a universal meter, it is easy to use, test function is many, but price comparison height, fragile, the general school particularly student of primary school uses " universal meter ", and can only be minority student usefulness, this can influence many classmates' study.
The utility model content
The purpose of this utility model provides a kind of simple and easy electronic circuit break-make detecting device of the usefulness of imparting knowledge to students, and this detecting device can not only fast detecting go out the break-make of electronic circuit, and is simple and easy to do, and cost of manufacture is cheap.
To achieve these goals, the technical solution adopted in the utility model is: a kind of simple and easy electronic circuit break-make detecting device of the usefulness of imparting knowledge to students, comprise box body, described box body is provided with primary socket, light emitting diode, big socket and bulb, primary socket, light emitting diode, big socket are connected by the circuit of lead with box body inside with bulb, wherein primary socket is that resistance is judged end or break-make test side, and big socket is that break-make test side or resistance are judged end.
Compared with prior art, the beneficial effects of the utility model are: this detecting device not only speed of detection line break-make is fast, and easy making simple in structure, and cost of manufacture is also very cheap, in being fit to very much, primary school's teaching uses.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, the simple and easy electronic circuit break-make detecting device of teaching usefulness of the present utility model, comprise box body 1, described box body 1 is provided with primary socket 2, light emitting diode 3, big socket 4 and bulb 5, primary socket 2, light emitting diode 3, big socket 4 are connected by the circuit of lead with box body 1 inside with bulb 5, wherein primary socket 2 is judged end for resistance, and big socket 4 is the break-make test side.
During use, the plug of prod afterbody inserted big socket 4 after, promptly available prod carries out on off test to circuit or body to be measured, general rule light emitting diode 3 and bulb 5 are bright, general rule light emitting diode 3 and bulb 5 do not work.Certainly, sometimes also possibility brightness is very weak for light emitting diode 3 and bulb 5, this shows that the circuit of detection has certain resistance, available in this case resistance judges that end carries out the general judgement of resistance, when resistance is judged end, with the short circuit of break-make test side, the plug of prod is inserted primary socket 2, be that available prod carries out the resistance judgement to detection line, if the resistance of detected circuit is greater than variable-resistance value, then the electric current of circuit mainly forms the loop by variable resistor and bulb 5, and can probably estimate the resistance of test line this moment by the brightness of observing bulb 5.
Claims (1)
1. the simple and easy electronic circuit break-make detecting device of the usefulness of imparting knowledge to students, comprise box body (1), it is characterized in that: described box body (1) is provided with primary socket (2), light emitting diode (3), big socket (4) and bulb (5), primary socket (2), light emitting diode (3), big socket (4) and bulb (5) are connected by the inner circuit of lead and box body (1), wherein primary socket (2) is judged end or break-make test side for resistance, and big socket (4) is that break-make test side or resistance are judged end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205415380U CN201838236U (en) | 2010-09-28 | 2010-09-28 | Simple electronic circuit on and off detector for teaching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010205415380U CN201838236U (en) | 2010-09-28 | 2010-09-28 | Simple electronic circuit on and off detector for teaching |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201838236U true CN201838236U (en) | 2011-05-18 |
Family
ID=44008339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010205415380U Expired - Fee Related CN201838236U (en) | 2010-09-28 | 2010-09-28 | Simple electronic circuit on and off detector for teaching |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201838236U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102789729A (en) * | 2012-07-23 | 2012-11-21 | 黑龙江大学 | Experimental circuit with connecting indicating circuit |
CN104714204A (en) * | 2013-12-16 | 2015-06-17 | 国家电网公司 | Electric energy meter testing device and system |
CN110296351A (en) * | 2019-07-29 | 2019-10-01 | 广东电网有限责任公司 | A kind of easy-to-mount indicating lamp module |
-
2010
- 2010-09-28 CN CN2010205415380U patent/CN201838236U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102789729A (en) * | 2012-07-23 | 2012-11-21 | 黑龙江大学 | Experimental circuit with connecting indicating circuit |
CN102789729B (en) * | 2012-07-23 | 2014-10-29 | 黑龙江大学 | Experimental circuit with connecting indicating circuit |
CN104714204A (en) * | 2013-12-16 | 2015-06-17 | 国家电网公司 | Electric energy meter testing device and system |
CN110296351A (en) * | 2019-07-29 | 2019-10-01 | 广东电网有限责任公司 | A kind of easy-to-mount indicating lamp module |
CN110296351B (en) * | 2019-07-29 | 2024-03-19 | 广东电网有限责任公司 | Indicator light module convenient to dismouting |
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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: 20110518 Termination date: 20110928 |