CN103680268A - Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance - Google Patents
Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance Download PDFInfo
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- CN103680268A CN103680268A CN201310646540.2A CN201310646540A CN103680268A CN 103680268 A CN103680268 A CN 103680268A CN 201310646540 A CN201310646540 A CN 201310646540A CN 103680268 A CN103680268 A CN 103680268A
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Abstract
The invention discloses a research experimental box of the volt-ampere characteristics of linear resistance and nonlinear resistance. The research experimental box comprises a box body and a box cover, a substrate is arranged in the box body, and a power source switch, a microammeter header, a milliammeter header, a voltmeter header, a power source voltage gauge header, a 0 ohm - 10 kilohm potentiometer, a single-pole double-throw toggle switch, a 0-1000 ohm potentiometer, a linear resistor R1, a linear resistor R2, an ordinary silicon diode, a voltage stabilizing diode, an incandescent bulb, a light dependent resistor and a light source switch are arranged on the substrate. An adjustable DC voltage stabilization power source plate, a transformer and a light source are arranged in the box body, a power source base and a battery box are arranged on the rear wall of the box body, a fuse base is further arranged on the back face of the box body, a lock catch is arranged at the front end of the box cover, a hinge is arranged at the rear end of the box cover, a pocket is arranged in the box cover, a lock pin corresponding to the lock catch is arranged on the front wall of the box body, and a handle is arranged in the middle of the front end of the box body. The research experimental box of the volt-ampere characteristics of the linear resistance and the nonlinear resistance is clean and tidy in structure, and students are further helped to command the volt-ampere characteristics of the linear resistance and the nonlinear resistance.
Description
Technical field
The present invention relates generally to experimental box field, relates in particular to a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case.
Background technology
For some more typical linear resistances and non-linear resistance are studied, need to invent a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case.
Summary of the invention
The object of the invention is exactly in order to make up the defect of prior art, and a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case are provided.
The present invention is achieved by the following technical solutions:
A kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, it is characterized in that: include casing, case lid, in casing, be provided with substrate, substrate is provided with power switch, microampere meter gauge outfit, milliammeter gauge outfit, voltage table gauge outfit, supply voltage gauge outfit, 0 Ω--10 K Ω potentiometers, single-pole double-throw (SPDT) toggle switch, 0-1000 Ω potentiometer, linear resistance R
1, linear resistance R
2, ordinary silicon diode, voltage stabilizing diode, incandescent lamp bulb, photoresistance, light source switch, in casing, be provided with adjustable D. C regulated plate, transformer, light source, the rear wall of casing is provided with power supply base, battery case, the back side of casing is also provided with fuse seat, described case lid front end is provided with snap close, rear end is provided with hinge, case lid inside is provided with pocket, and the antetheca of casing is provided with the lock pin corresponding with snap close, and casing front center is provided with handle.
Described a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: described light source is three light sources that three circle high-brightness light emitting diodes form, and corresponding light source switch also has three.
Described a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: described linear resistance R
1be 51 Ω, linear resistance R
2for 9.4K Ω, precision is 0.1%.
Described a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: No. 1 dry cell that two joint series connection are housed in described battery case.
Described a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: the fuse that packs 1-3A in described fuse seat into.
Described a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, it is characterized in that: described adjustable D. C regulated plate includes two, one of them is by the 8V alternating current of transformer output, the rectifier bridge forming by four 1N4007 diodes, carry out rectifying and wave-filtering, successively by electric capacity, 317 chips, multiturn potentiometer (realize output DC voltage-stabilizing electricity and carry out adjustable operation), output voltage shunt voltage table gauge outfit (output voltage is readable), will the positive and negative two ends of power supply be connected on experimental box substrate with binding post again; Another one adjustable D. C regulated plate is 5V by regulating multiturn potentiometer to make its output voltage, directly gives the gauge outfit power supply of microampere meter, milliammeter and two voltage tables.
Advantage of the present invention is:
The working power that experimental box of the present invention is used is adjustable DC voltage stabilizing plate, and voltage table, milliammeter, microampere meter are used high-precision LED digital display meter head, make equipment miniaturization integrated, and instrument volume dwindles greatly; And instrument component and components and parts to be measured are all encapsulated in casing, the mode going between by binding post, is arranged on substrate, from casing, watches, intuitively clean and tidy; Student can be according to the characteristic of linear resistance, design the circuit diagram of 51 Ω and 9.4K Ω resistance, according to the characteristic of non-linear resistance (general-purpose diode, voltage stabilizing diode, incandescent lamp bulb, photoresistance), the wiring diagram of the forward characteristic of designing and directivity characteristics research, designs data form, measures a series of data, use graphing method, in coordinate axis, described point runs a curve, and its data and curve is analyzed, thereby further grasped the volt-ampere characteristic of linear resistance and non-linear resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of substrate of the present invention.
Fig. 2 is box house component distribution planimetric map of the present invention.
Fig. 3 is box back surface board plane figure of the present invention.
Fig. 4 is the planimetric map of casing.
Fig. 5 is adjustable D. C regulated plate schematic diagram.
Embodiment
As Figure 1-5, a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case, include casing, case lid, in casing, be provided with substrate, substrate is provided with power switch 1, microampere meter gauge outfit 2, milliammeter gauge outfit 3, voltage table gauge outfit 4, supply voltage gauge outfit 5, 0 Ω--10 K Ω potentiometers 6, single-pole double-throw (SPDT) toggle switch 7, 0-1000 Ω potentiometer 8, linear resistance 9, linear resistance 10, ordinary silicon diode 11, voltage stabilizing diode 12, incandescent lamp bulb 13, photoresistance 14, light source switch 15, in casing, be provided with adjustable D. C regulated plate 16, transformer 18, light source 19, the rear wall of casing is provided with power supply base 17, battery case 22, the back side of casing is also provided with fuse seat 23, described case lid front end is provided with snap close 24, rear end is provided with hinge 26, case lid inside is provided with pocket 25, the antetheca of casing is provided with the lock pin corresponding with snap close 24 20, casing front center is provided with handle 21.
Linear resistance 9 is 51 Ω, and linear resistance 10 is 9.4K Ω, and precision is 0.1%.
No. 1 dry cell of two joint series connection is housed in battery case 22.
The fuse that packs 1-3A in fuse seat 23 into.
Adjustable D. C regulated plate 16 includes two, one of them is by the 8V alternating current of transformer output, the rectifier bridge forming by four 1N4007 diodes, carry out rectifying and wave-filtering, successively by electric capacity, 317 chips, multiturn potentiometer (realize output DC voltage-stabilizing electricity and carry out adjustable operation), output voltage shunt voltage table gauge outfit (output voltage is readable), will the positive and negative two ends of power supply be connected on experimental box substrate with binding post again; Another one adjustable D. C regulated plate is 5V by regulating multiturn potentiometer to make its output voltage, directly gives the gauge outfit power supply of microampere meter, milliammeter and two voltage tables.
Claims (6)
1. a linear resistance and non-linear resistance volt-ampere characteristic research experiment case, it is characterized in that: include casing, case lid, in casing, be provided with substrate, substrate is provided with power switch, microampere meter gauge outfit, milliammeter gauge outfit, voltage table gauge outfit, supply voltage gauge outfit, 0 Ω--10 K Ω potentiometers, single-pole double-throw (SPDT) toggle switch, 0-1000 Ω potentiometer, linear resistance R
1, linear resistance R
2, ordinary silicon diode, voltage stabilizing diode, incandescent lamp bulb, photoresistance, light source switch, in casing, be provided with adjustable D. C regulated plate, transformer, light source, the rear wall of casing is provided with power supply base, battery case, the back side of casing is also provided with fuse seat, described case lid front end is provided with snap close, rear end is provided with hinge, case lid inside is provided with pocket, and the antetheca of casing is provided with the lock pin corresponding with snap close, and casing front center is provided with handle.
2. a kind of linear resistance according to claim 1 and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: described light source is three light sources that three circle high-brightness light emitting diodes form, and corresponding light source switch also has three.
3. a kind of linear resistance according to claim 1 and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: described linear resistance R
1be 51 Ω, linear resistance R
2for 9.4K Ω, precision is 0.1%.
4. a kind of linear resistance according to claim 1 and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: No. 1 dry cell that two joint series connection are housed in described battery case.
5. a kind of linear resistance according to claim 1 and non-linear resistance volt-ampere characteristic research experiment case, is characterized in that: the fuse that packs 1-3A in described fuse seat into.
6. a kind of linear resistance according to claim 1 and non-linear resistance volt-ampere characteristic research experiment case, it is characterized in that: described adjustable D. C regulated plate includes two, one of them is by the 8V alternating current of transformer output, the rectifier bridge forming by four 1N4007 diodes, carry out rectifying and wave-filtering, successively by electric capacity, 317 chips, multiturn potentiometer, output voltage shunt voltage table gauge outfit, will the positive and negative two ends of power supply be connected on experimental box substrate with binding post again; Another one adjustable D. C regulated plate is 5V by regulating multiturn potentiometer to make its output voltage, directly gives the gauge outfit power supply of microampere meter, milliammeter and two voltage tables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646540.2A CN103680268A (en) | 2013-12-04 | 2013-12-04 | Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646540.2A CN103680268A (en) | 2013-12-04 | 2013-12-04 | Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance |
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|---|---|
| CN103680268A true CN103680268A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310646540.2A Pending CN103680268A (en) | 2013-12-04 | 2013-12-04 | Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104050854A (en) * | 2014-06-24 | 2014-09-17 | 安徽农业大学 | Experimental box used for students to research constant temperature control principle and application |
| CN107037391A (en) * | 2017-06-14 | 2017-08-11 | 太原工业学院 | Novel and multifunctional electric meter refitting and calibration experiments instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2507094Y (en) * | 2001-11-11 | 2002-08-21 | 骆乃光 | Multi-purpose electric experiment box |
| CN2739738Y (en) * | 2004-10-21 | 2005-11-09 | 刘静 | Multifunctional middle school physics electricity meter reforming experimental instrument |
| CN201156335Y (en) * | 2008-01-18 | 2008-11-26 | 黎国胜 | Teaching demonstration apparatus for resistance measurement by volt-ampere method |
| CN201527733U (en) * | 2009-07-03 | 2010-07-14 | 昆明市官渡区第五中学 | Teaching template for middle school circuit experiment |
| CN203644277U (en) * | 2013-12-04 | 2014-06-11 | 安徽农业大学 | Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor |
-
2013
- 2013-12-04 CN CN201310646540.2A patent/CN103680268A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2507094Y (en) * | 2001-11-11 | 2002-08-21 | 骆乃光 | Multi-purpose electric experiment box |
| CN2739738Y (en) * | 2004-10-21 | 2005-11-09 | 刘静 | Multifunctional middle school physics electricity meter reforming experimental instrument |
| CN201156335Y (en) * | 2008-01-18 | 2008-11-26 | 黎国胜 | Teaching demonstration apparatus for resistance measurement by volt-ampere method |
| CN201527733U (en) * | 2009-07-03 | 2010-07-14 | 昆明市官渡区第五中学 | Teaching template for middle school circuit experiment |
| CN203644277U (en) * | 2013-12-04 | 2014-06-11 | 安徽农业大学 | Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104050854A (en) * | 2014-06-24 | 2014-09-17 | 安徽农业大学 | Experimental box used for students to research constant temperature control principle and application |
| CN107037391A (en) * | 2017-06-14 | 2017-08-11 | 太原工业学院 | Novel and multifunctional electric meter refitting and calibration experiments instrument |
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Application publication date: 20140326 |