CN203644277U - Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor - Google Patents
Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor Download PDFInfo
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- CN203644277U CN203644277U CN201320792759.9U CN201320792759U CN203644277U CN 203644277 U CN203644277 U CN 203644277U CN 201320792759 U CN201320792759 U CN 201320792759U CN 203644277 U CN203644277 U CN 203644277U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a volt-ampere characteristic research experiment case for a linear resistor and a non-linear resistor. The volt-ampere characteristic research experiment case comprises a case body and a case cover, wherein a substrate is disposed in the case body; a power supply switch, a microammeter gauge head, a milliammeter gauge head, a voltmeter gauge head, a power supply voltmeter gauge head, a 0 [omega] to 10 K[omega] potentiometer, a single-pole double-throw toggle switch, a 0 to 1000 [omega] potentiometer, a linear resistor R1, a linear resistor R2, a common silicon diode, a voltage regulating diode, an incandescent lamp bubble, a photoresistor, and a light source switch are disposed on the substrate; an adjustable direct current voltage-regulated power supply board, a transformer, and a light source are disposed in the case body; a power supply bottom seat and a battery case are disposed on a rear wall of the case body, and a fuse wire bottom seat is disposed at the rear surface of the case body; a lock buckle is disposed at the front end of the case cover, a hinge is disposed at a rear end of the case cover, and a bag is disposed inside the case cover; and a lock pin which corresponds to the lock buckle is disposed on a front wall of the case body, and a handle is disposed at a middle part of a front end of the case body. The volt-ampere characteristic research experiment case is neat in structure, and capable of helping students to master the volt-ampere characteristics of the linear resistor and the non-linear resistor.
Description
Technical field
The utility model 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.
Utility model content
The utility model object is exactly the defect in order to make up prior art, and a kind of linear resistance and non-linear resistance volt-ampere characteristic research experiment case are provided.
The utility model is achieved through 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 of three circle high-brightness light emitting diode compositions, 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, by the rectifier bridge of four 1N4007 diode compositions, 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 positive and negative power supply two ends 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.
The utility model has the advantages that:
The working power that experimental box of the present utility model uses is adjustable DC voltage stabilizing plate, and voltage table, milliammeter, microampere meter use 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.
Brief description of the drawings
Fig. 1 is the structural representation of substrate of the present utility model.
Fig. 2 is box house component distribution planimetric map of the present utility model.
Fig. 3 is box back surface board plane figure of the present utility model.
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.
In fuse seat 23, pack the fuse of 1-3A into.
Adjustable D. C regulated plate 16 includes two, one of them is by the 8V alternating current of transformer output, by the rectifier bridge of four 1N4007 diode compositions, 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 positive and negative power supply two ends 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 of three circle high-brightness light emitting diode compositions, 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, by the rectifier bridge of four 1N4007 diode compositions, carry out rectifying and wave-filtering, successively by electric capacity, 317 chips, multiturn potentiometer, output voltage shunt voltage table gauge outfit, will positive and negative power supply two ends 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 |
|---|---|---|---|
| CN201320792759.9U CN203644277U (en) | 2013-12-04 | 2013-12-04 | Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792759.9U CN203644277U (en) | 2013-12-04 | 2013-12-04 | Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644277U true CN203644277U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792759.9U Expired - Fee Related CN203644277U (en) | 2013-12-04 | 2013-12-04 | Volt-ampere characteristic research experiment case for linear resistor and non-linear resistor |
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| CN (1) | CN203644277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680268A (en) * | 2013-12-04 | 2014-03-26 | 安徽农业大学 | Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance |
| CN107024609A (en) * | 2017-06-15 | 2017-08-08 | 李国孺 | Ammeter range speed selects experimental provision |
-
2013
- 2013-12-04 CN CN201320792759.9U patent/CN203644277U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680268A (en) * | 2013-12-04 | 2014-03-26 | 安徽农业大学 | Research experimental box of volt-ampere characteristics of linear resistance and nonlinear resistance |
| CN107024609A (en) * | 2017-06-15 | 2017-08-08 | 李国孺 | Ammeter range speed selects experimental provision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141204 |
|
| EXPY | Termination of patent right or utility model |