CN202838766U - Fluorescent lamp test demonstration device - Google Patents
Fluorescent lamp test demonstration device Download PDFInfo
- Publication number
- CN202838766U CN202838766U CN 201220422870 CN201220422870U CN202838766U CN 202838766 U CN202838766 U CN 202838766U CN 201220422870 CN201220422870 CN 201220422870 CN 201220422870 U CN201220422870 U CN 201220422870U CN 202838766 U CN202838766 U CN 202838766U
- Authority
- CN
- China
- Prior art keywords
- triode
- demonstration device
- daylight lamp
- positive pole
- potentiometer
- 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
Landscapes
- Instructional Devices (AREA)
Abstract
A fluorescent lamp test demonstration device belongs to the technical field of teaching instruments and devices. The object of the utility model is to provide the fluorescent lamp test demonstration device to demonstrate a 6W-fluorescent lamp circuit and components of the 6W-fluorescent lamp circuit in a visual and intuitive manner so as to help students to understand and study fluorescent principles. With the fluorescent lamp test demonstration device adopted, the interest and the favor of the students in courses can be enhanced; with a few line connecting racks adopted, all components can be installed properly; as long as the components are performed well, a success can be achieved with easiness; after a power source is switched on, a lamp can glows; if a potentiometer (10) is adjusted, the luminance of the lamp can be controlled; when the lamp glows brightest, power consumption of an overall unit is about 100mA; in the adjustment process of the potentiometer (10), tests in which the capacity of a terylene capacitor (8) is increased and decreased can be performed; the circuit can also lights a 8W lamp on the condition that the voltage of the power source is increased to 4.5-6V, as a result, the power consumption is also increased with the increase of the voltage of the power source.
Description
Technical field
The utility model belongs to the teaching instrument and equipment technical field, is specifically related to a kind of daylight lamp pilot demonstration device.
Background technology
Daylight lamp claims again fluorescent light, and profile is long cylindrical, and the daylight lamp two ends respectively add a filament, be filled with the argon of trace and thin mercury vapour in the fluorescent tube, scribble fluorescent powder on the tube inner wall, send ultraviolet ray during gaseous conduction between two filaments, make fluorescent powder send soft visible light.
Learn in the curricula at senior middle school's thing, the example that need to verify with experimental apparatus is arranged a lot, it is an important class of the guiding student knowledge of natural environment, traditional teaching condition is restricted, each law or experimental example can not be made analogue means and carry out classroom on-the-spot demonstration teaching, the explanation example that a course " fluorescent lamp working principle " is wherein arranged, the student is difficult to obtain the education of the formula of imparting rudimentary knowledge to beginners from abstract explanation.
The teaching appliance of present existing demonstration fluorescent lamp working principle, comprise a panel, front at panel is provided with power supply, one end of power supply is connected with the moving contact of single-pole double-throw switch (SPDT) by switch, be parallel with respectively incandescent lamp and ballast resistor on two stationary contacts of single-pole double-throw switch (SPDT), incandescent lamp in parallel is connected with daylight lamp, and the other end of daylight lamp is connected with the other end of power supply, and be parallel with starter at daylight lamp, be parallel with switch at the two ends of starter; Because the total design is too simple, makes the student can not understand the principle of work of each components and parts in depth; The student is hearing out after class, and is still thorough as being difficult to understanding in the mist in the cloud, makes the quality of teaching can not get improving, thereby student's interest of student is reduced greatly.
Owing to there is not object teaching instrument, teacher normally is drawn in the daylight lamp schematic diagram on the blackboard first, then a daylight lamp is taken apart, tell about structure and the principle of work of daylight lamp, but can't demonstrate the principle of work of daylight lamp, the student is difficult to understand fluorescent lamp working principle from books, the daylight lamp maintenance that classmates are concerned about most can't illustrate especially, make the student feel uninteresting, cause the student to lose learning confidence, teacher is also time-consuming, effort, also sense teaching inconvenience when blackboard is drawn the daylight lamp schematic diagram.
Summary of the invention
The purpose of this utility model provides a kind of daylight lamp pilot demonstration device, visual in image, can make the student see intuitively that in practical operation daylight lamp lights daylight lamp by the multivibrator that two triodes form, thereby help the student to daylight lamp principle more deep understanding and study, improved interest and the hobby of student to course.
The utility model is achieved through the following technical solutions:
A kind of daylight lamp pilot demonstration device is provided with triode 1, middle power silicon triode 2, electrolytic condenser 3, switch 4, electric battery 5, fluorescent tube 6, transformer 7, washs wheel capacitor 8, resistor 9, potentiometer 10, panel 11 on the panel 11; It is characterized in that: electric battery 5 negative poles are connected by the negative pole of switch 4 with electrolytic condenser 3, the negative pole of electrolytic condenser 3 is connected with the collector of middle power silicon triode 2, the base stage of middle power silicon triode 2 is connected with the collector junction of triode 1, the collector of middle power silicon triode 2 successively with potentiometer 10, the negative pole of resistor 9 is connected, the positive pole of resistor 9 respectively with the base stage of triode 1, the positive pole of washing wheel capacitor 8 is connected, wash the positive pole of wheel capacitor 8 by triode 1 emitter, the emitter of middle power silicon triode 2 is connected with the positive pole of transformer 7 and the positive pole of fluorescent tube 6, and the positive pole of transformer 7 links together through the positive pole of electrolytic condenser 3 and the positive pole of electric battery 5.
Described triode 1 is common 3AX31B type germanium triode; Described middle power silicon triode 2 is power silicon triode among 3DG12 or the 3DX201.
The CD11 type electrolytic condenser that described electrolytic condenser 3 is withstand voltage 6.3V.
Described electric battery 5 adopts the dry cell of four joint 1.5V to form.
Described transformer 7 is comprised of two E font FERRITE CORE, and the magnetic core sectional area is 7x7mm
2, left half with Φ 0.21mm enameled wire coiling 80 circles, right partly with Φ 0.1mm enameled wire coiling 1000 circles.
The described wheel capacitor 8 of washing is washed the wheel capacitor for the CL11 type.
Described resistor 9 is 1/8W, RTX type carbon film resistor.
Described potentiometer 10 is the potentiometer of belt switch.
Described panel 11 is made by plastic plate or the scale board of 10mm.
The beneficial effects of the utility model:
Described a kind of daylight lamp pilot demonstration device, simulation 6W fluorescent lamp circuit and composition, its all component adopts common on the market existing components and parts to form, visual in image, can make the student see intuitively in practical operation how daylight lamp is lighted daylight lamp by the multivibrator that two triodes form, thereby side and student have improved interest and the hobby of student to course to understanding and the study of daylight lamp principle.
Description of drawings
Fig. 1 is the utility model assembling parts figure.
Fig. 2 is the utility model circuit theory diagrams.
Among the figure, triode 1, middle power silicon triode 2, electrolytic condenser 3, switch 4, electric battery 5, fluorescent tube 6, transformer 7, wash wheel capacitor 8, resistor 9, potentiometer 10, panel 11.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
A kind of daylight lamp pilot demonstration device is provided with triode 1, middle power silicon triode 2, electrolytic condenser 3, switch 4, electric battery 5, fluorescent tube 6, transformer 7, washs wheel capacitor 8, resistor 9, potentiometer 10, panel 11 on the panel 11; Electric battery 5 negative poles are connected by the negative pole of switch 4 with electrolytic condenser 3, the CD11 type electrolytic condenser that described electrolytic condenser 3 is withstand voltage 6.3V, described electric battery 5 adopts the dry cell of four joint 1.5V to form, the negative pole of electrolytic condenser 3 is connected with the collector of middle power silicon triode 2, the base stage of middle power silicon triode 2 is connected with the collector junction of triode 1, the collector of middle power silicon triode 2 is connected with the negative pole of potentiometer 10, resistor 9 successively, described resistor 9 is 1/8W, RTX type carbon film resistor; Described potentiometer 10 is the potentiometer of belt switch, and described middle power silicon triode 2 is power silicon triode among 3DG12 or the 3DX201.The positive pole of resistor 9 is connected with the base stage of triode 1, the positive pole of washing wheel capacitor 8 respectively, and described triode 1 be common 3AX31B type germanium triode, and described washing taken turns capacitor 8 and washed the wheel capacitor for the CL11 type; The emitter of positive pole by triode 1 emitter, middle power silicon triode 2 of washing wheel capacitor 8 is connected with the positive pole of transformer 7 positive poles and fluorescent tube 6, the positive pole of transformer 7 links together through the positive pole of electrolytic condenser 3 and the positive pole of electric battery 5, described transformer 7 is comprised of two E font FERRITE CORE, and the magnetic core sectional area is 7x7mm
2, left half with Φ 0.21mm enameled wire coiling 80 circles, right partly with Φ 0.1mm enameled wire coiling 1000 circles.
Accompanying drawing is that wiring diagram and the whole element of 6W daylight lamp cooperates assembly drawing, and panel 11 is made by plastic plate or the scale board of 10mm; Triode 1 and middle power silicon triode 2 form the complementary type free-running multivibrator, and oscillating current partly is added to the two ends of fluorescent tube 6 by the left side half of middle power silicon triode 2 collector efferent duct inflow transformers 7 by the right side after boosting, make fluorescent tube 6 aura; Because the luminescence efficiency of fluorescent tube 6 is relevant with frequency with the power of oscillating current, so regulator potentiometer 10 can be controlled the luminosity of daylight lamp.
Because this circuit is simpler, only just can install all components and parts appropriate with several patch bays; This circuit only adopts on the market, and existing components and parts get final product by connection together; Behind the plugged, fluorescent tube 6 can be luminous, and can hear that transformer 7 sends sound, and regulator potentiometer 10 can be controlled fluorescent tube 6 luminosity, and fluorescent tube 6 is luminous when the brightest, about the about 100mA of complete machine power consumption.If in transferring potentiometer 10 processes, luminosity is still bright not, can suitably increase and decrease and wash wheel capacitor 8 capacity tests, this circuit also can be lighted the 8W fluorescent tube, but needs this moment supply voltage is increased to 4.5-6V, and power consumption also increases thereupon.
Described a kind of daylight lamp pilot demonstration device, its all component adopt common on the market existing components and parts to form, and be visual in image, thereby side and student have improved interest and the hobby of student to course to understanding and the study of daylight lamp principle.
Claims (9)
1. a daylight lamp pilot demonstration device is provided with triode (1), middle power silicon triode (2), electrolytic condenser (3), switch (4), electric battery (5), fluorescent tube (6), transformer (7), washs and take turns capacitor (8), resistor (9), potentiometer (10) composition on the panel (11); It is characterized in that: electric battery (5) negative pole is connected by the negative pole of switch (4) with electrolytic condenser (3), the negative pole of electrolytic condenser (3) is connected with the collector of middle power silicon triode (2), the base stage of middle power silicon triode (2) is connected with the collector of triode (1), the collector of middle power silicon triode (2) successively with potentiometer (10), the negative pole of resistor (9) is connected, the positive pole of resistor (9) respectively with the base stage of triode (1), the positive pole of washing wheel capacitor (8) is connected, wash the positive pole of wheel capacitor (8) by triode (1) emitter, the emitter of middle power silicon triode (2) is connected with the positive pole of transformer (7) and the positive pole of fluorescent tube (6), and the positive pole of transformer (7) links together through the positive pole of electrolytic condenser (3) and the positive pole of electric battery (5).
2. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described triode (1) is common 3AX31B type germanium triode; Described middle power silicon triode (2) is power silicon triode among 3DG12 or the 3DX201.
3. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described electrolytic condenser (3) is the CD11 type electrolytic condenser of withstand voltage 6.3V.
4. a kind of daylight lamp pilot demonstration device according to claim 1 is characterized in that: the dry cells composition of described electric battery (5) employing four joint 1.5V.
5. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described transformer (7) is comprised of two E font FERRITE CORE, and the magnetic core sectional area is 7x7mm
2, left half with Φ 0.21mm enameled wire coiling 80 circles, right partly with Φ 0.1mm enameled wire coiling 1000 circles.
6. a kind of daylight lamp pilot demonstration device according to claim 1 is characterized in that: the described wheel capacitor (8) of washing is washed the wheel capacitor for the CL11 type.
7. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described resistor (9) is 1/8W, RTX type carbon film resistor.
8. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described potentiometer (10) is the potentiometer of belt switch.
9. a kind of daylight lamp pilot demonstration device according to claim 1, it is characterized in that: described panel (11) is made by plastic plate or the scale board of 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422870 CN202838766U (en) | 2012-08-24 | 2012-08-24 | Fluorescent lamp test demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220422870 CN202838766U (en) | 2012-08-24 | 2012-08-24 | Fluorescent lamp test demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838766U true CN202838766U (en) | 2013-03-27 |
Family
ID=47950414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220422870 Expired - Fee Related CN202838766U (en) | 2012-08-24 | 2012-08-24 | Fluorescent lamp test demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064085A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Fluorescent lamp principle demonstration device |
-
2012
- 2012-08-24 CN CN 201220422870 patent/CN202838766U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064085A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Fluorescent lamp principle demonstration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201965826U (en) | Demonstration instrument for human body conductivity and low-voltage electric shock | |
| CN202838766U (en) | Fluorescent lamp test demonstration device | |
| CN203631032U (en) | Demonstration teaching aid of classroom illumination light-operated system | |
| CN206021678U (en) | A kind of background mathematics demonstrator | |
| CN204375229U (en) | A kind of there is audio-visual education programme whip structure sing teaching equipment | |
| CN202093717U (en) | Electromagnetism teaching aid | |
| CN201000686Y (en) | Demonstrator for simulating remote electric power transmission | |
| CN202838782U (en) | Capacitor charge-discharge demonstrator | |
| CN203085033U (en) | Conductivity measuring device | |
| CN105825722A (en) | Junior high school electricity question solving prompt device and junior high school electricity question solving prompt method | |
| CN201667265U (en) | Displaying sliding rheostat used for testing | |
| CN201993964U (en) | Electrical experiment demonstration teaching aid | |
| CN204257065U (en) | Wet-out phenomenon demonstrator | |
| CN203909507U (en) | Dedicated controller for special education | |
| CN205375931U (en) | Acoustooptic controlled delay economize on electricity light switch principle demonstration appearance | |
| CN109118842A (en) | A kind of teaching platform repaired for detecting automotive performance | |
| CN212516257U (en) | Demonstrator for simulating human body electric shock | |
| CN204596277U (en) | A kind of magnetic-type circuit teaching demonstration board | |
| CN104407245A (en) | Photoresistor characteristics and application tester | |
| CN204242488U (en) | Simple and easy conductor resistance and length relation illustrative circuitry | |
| CN206003417U (en) | A kind of electric circuit teaching demonstration circuit detector | |
| CN209232226U (en) | It is a kind of for demonstrating two dimension and the Physical Experiment equipment of three-dimensional demonstration | |
| CN2286908Y (en) | Instrument for demonstrating electric conductivity of matter | |
| CN203616897U (en) | Preschool education study board | |
| CN202711549U (en) | Teaching board for demonstrating characteristic of changing of conductor resistor with humidity |
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: 20130327 Termination date: 20130824 |