CN203786982U - Power giving and power supply control device for teaching experiment table - Google Patents
Power giving and power supply control device for teaching experiment table Download PDFInfo
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- CN203786982U CN203786982U CN201420187726.6U CN201420187726U CN203786982U CN 203786982 U CN203786982 U CN 203786982U CN 201420187726 U CN201420187726 U CN 201420187726U CN 203786982 U CN203786982 U CN 203786982U
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Abstract
The utility model relates to a power giving and power supply control device for a teaching experiment table, which comprises a teacher demonstration table and a student experiment table, and is characterized in that the teacher demonstration table comprises power input, a first air switch, a current leakage protector, a second air switch set and student table power supply control signal output sequentially connected; and the student experiment table comprises student table power supply control signal input and a relay sequentially connected. According to the power giving and power supply control device for a teaching experiment table, demands of electrical, mechanical, optical, thermal and other experiments in physics can be conveniently and flexibly met, the use is convenient, automatic overload and overcurrent protection measures are good, and the device is necessary experimental equipment in the modern physics laboratory.
Description
Technical field
The utility model relates to power supply control field, more particularly, relates to the giving of a kind of teaching experimental base, power supply control apparatus.
Background technology
Power supply is the heart of electronic equipment, and stable power supply is the necessary guarantee of all electronic equipment reliability services.Power technology is important branch of modern power electronics technology, it is a kind of technology of multidisciplinary intersection, relate to have a wide range of knowlege, technical difficulty is high, and owing to lacking at present special power technology teaching practice condition and experimental facilities, cultivate the power technology talent that obtains employment specially to the physics laboratories such as vocational school, technical school, middle school, university and bring certain difficulty, cause the current Power Management Design talent of China relative shortage, reduced to a certain extent the level of utilizing of China's secondary electric energy and new forms of energy.
Therefore, prior art has yet to be improved and developed.
Utility model content
The technical problems to be solved in the utility model is, for teacher, student power source in the above-mentioned teaching process of prior art, configure the defects such as dumb convenience, provide a kind of teaching experimental base to, power supply control apparatus, comprise: teacher's Demonstration table and student experimenting platform, teacher's Demonstration table comprises connected successively power supply input, the first air switch, earth leakage protective device, the second air switch group, the output of school desk power supplying control signal; Described student experimenting platform comprises successively the connected input of school desk power supplying control signal, relay.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described the second air switch group further comprises four air switches independent of each other, controls respectively four groups of school desk power supplying control signals.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described school desk power supplying control signal is output as 2V, 4V, 6V, the output of 12V combined-voltage.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described school desk power supplying control signal is output as 2V, 4V, the output of 6V, 12V combination combined-voltage.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described school desk power supplying control signal is output as 9V voltage, the output of 40A electric current.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described school desk power supplying control signal is output as 240V, 300V direct voltage output, and maximum output current is 100ma.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described teacher's Demonstration table school desk power supplying control signal is output as the input of student experimenting platform school desk power supplying control signal.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described student experimenting platform school desk power supplying control signal input, after relay, forms the adjustable output of 1.5V～24V direct current, 2V～24V interchange initial adjustment output, 2V～24V interchange accurate adjustment output.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described teacher's Demonstration table and student experimenting platform are provided with overload light, when overload, overcurrent appear in described teacher's Demonstration table and student experimenting platform, described overload light is bright, no-output voltage.
In the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described power supply is input as 220V electric main.
Implement the giving of a kind of teaching experimental base of the present utility model, power supply control apparatus; there is following beneficial effect: the convenient, flexible requirement that meets the experiments such as electricity in physics, mechanics, optics, calorifics; easy to use; overload, overcurrent automatic Protection is good, is the experimental facilities of modern physics laboratory indispensability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is teacher's Demonstration table first embodiment module diagram of the giving of a kind of teaching experimental base of the utility model, power supply control apparatus;
Fig. 2 is the student experimenting platform first embodiment module diagram of the giving of a kind of teaching experimental base of utility model, power supply control apparatus;
Fig. 3 is the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 240V of power supply control apparatus, 300V direct voltage output, and maximum output current is 100ma schematic diagram;
Fig. 4 is the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 9V voltage of power supply control apparatus, 40A electric current output schematic diagram;
Fig. 5 is teacher's Demonstration table 1.5V～24V direct current output schematic diagram of the giving of a kind of teaching experimental base of the utility model, power supply control apparatus.
Fig. 6 is that the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 2V of power supply control apparatus, 4V, 6V, 12V exchange output schematic diagram.
Embodiment
Referring to Fig. 1, is teacher's Demonstration table first embodiment module diagram of the giving of a kind of teaching experimental base of the utility model, power supply control apparatus.As shown in Figure 1, the teaching experimental base providing at the utility model in, power supply control apparatus, at least comprise teacher's Demonstration table and student experimenting platform, teacher's Demonstration table comprises connected successively power supply input, the first air switch, earth leakage protective device, the second air switch group, the output of school desk power supplying control signal; Described student experimenting platform comprises successively the connected input of school desk power supplying control signal, relay.The second air switch group further comprises four air switches independent of each other, controls respectively four groups of school desk power supplying control signals.The output of teacher's Demonstration table school desk power supplying control signal is the input of student experimenting platform school desk power supplying control signal.
Referring to Fig. 2, is the student experimenting platform first embodiment module diagram of the giving of a kind of teaching experimental base of utility model, power supply control apparatus.As shown in Figure 2, in the giving of a kind of teaching experimental base described in the utility model, power supply control apparatus, described student experimenting platform school desk power supplying control signal input, after relay, forms the adjustable output of 1.5V～24V direct current, 2V～24V interchange initial adjustment output, 2V～24V interchange accurate adjustment output.
Referring to Fig. 3, is the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 240V of power supply control apparatus, 300V direct voltage output, and maximum output current is 100ma schematic diagram.The input of 220V electric main, after AC-DC conversion, forms 240V or 300V DC voltage, then passes through single-pole double-throw switch (SPDT), then pass through 100ma self-resetting type fuse, forms 240V or 300V DC voltage, and maximum output current is 100ma.
Referring to Fig. 4, is the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 9V voltage of power supply control apparatus, 40A electric current output schematic diagram.As shown in Figure 4,220V electric main is inputted after AC-DC conversion, forms 9V DC voltage, then passes through single-pole single-throw switch (SPST), then pass through 40ma self-resetting type fuse, forms 9V DC voltage, and maximum output current is 40ma.
Referring to Fig. 5, is teacher's Demonstration table 1.5V～24V direct current output schematic diagram of the giving of a kind of teaching experimental base of the utility model, power supply control apparatus.As shown in Figure 5,220V electric main is inputted after the adjustable conversion of alternating current-direct current 1.5V～24V direct current, then passes through 6a double insurance silk, then after single-pole single-throw switch (SPST), forms the adjustable output of 1.5V～24V direct current.
Refer to Fig. 6, for the giving of a kind of teaching experimental base of the utility model, teacher's Demonstration table 2V of power supply control apparatus, 4V, 6V, 12V exchange output schematic diagram.As shown in Figure 6, the sub-double insurance silk of 220V electric main input process 1.5a, then pass through transformer, formation 2V, 4V, 6V, 12V exchange output.
The utility model is by above design, can accomplish the convenient, flexible requirement that meets the experiments such as electricity in physics, mechanics, optics, calorifics, easy to use, and overload, overcurrent automatic Protection are good, are the experimental facilitiess of modern physics laboratory indispensability.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the utility model scope, can carry out various variations and be equal to replacement.In addition,, for adapting to the specific occasion of the utility model technology, can carry out many modifications and not depart from its protection domain the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiment that drop into claim protection domain.
Claims (10)
1. the giving an of teaching experimental base, power supply control apparatus, comprise: teacher's Demonstration table and student experimenting platform, it is characterized in that, described teacher's Demonstration table comprises connected successively power supply input, the first air switch, earth leakage protective device, the second air switch group, the output of school desk power supplying control signal; Described student experimenting platform comprises successively the connected input of school desk power supplying control signal, relay.
2. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described the second air switch group further comprises four air switches independent of each other, controls respectively four groups of school desk power supplying control signals.
3. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described school desk power supplying control signal is output as 2V, 4V, 6V, the output of 12V combined-voltage.
4. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described school desk power supplying control signal is output as 2V, 4V, the output of 6V, 12V combination combined-voltage.
5. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described school desk power supplying control signal is output as 9V voltage, the output of 40A electric current.
6. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described school desk power supplying control signal is output as 240V, 300V direct voltage output, and maximum output current is 100ma.
7. the giving of teaching experimental base according to claim 1, power supply control apparatus, is characterized in that, described teacher's Demonstration table school desk power supplying control signal is output as the input of student experimenting platform school desk power supplying control signal.
8. the giving of teaching experimental base according to claim 1, power supply control apparatus, it is characterized in that, described student experimenting platform school desk power supplying control signal input, after relay, forms the adjustable output of 1.5V～24V direct current, 2V～24V interchange initial adjustment output, 2V～24V interchange accurate adjustment output.
9. according to the giving of the teaching experimental base described in claim 1 to 8 any one, power supply control apparatus, it is characterized in that, described teacher's Demonstration table and student experimenting platform are provided with overload light, when there is overload, overcurrent in described teacher's Demonstration table and student experimenting platform, described overload light is bright, no-output voltage.
10. the giving of a kind of teaching experimental base according to claim 9, power supply control apparatus, is characterized in that, described power supply is input as 220V electric main.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187726.6U CN203786982U (en) | 2014-04-17 | 2014-04-17 | Power giving and power supply control device for teaching experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187726.6U CN203786982U (en) | 2014-04-17 | 2014-04-17 | Power giving and power supply control device for teaching experiment table |
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| Publication Number | Publication Date |
|---|---|
| CN203786982U true CN203786982U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187726.6U Expired - Fee Related CN203786982U (en) | 2014-04-17 | 2014-04-17 | Power giving and power supply control device for teaching experiment table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203786982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068113A (en) * | 2017-06-08 | 2017-08-18 | 北京望远迅杰科技有限公司 | A kind of circuit structure of media screen |
| CN110071647A (en) * | 2019-04-01 | 2019-07-30 | 邓依诺 | A kind of middle school student's Experiment of Electrical Circuits power-supply system |
-
2014
- 2014-04-17 CN CN201420187726.6U patent/CN203786982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068113A (en) * | 2017-06-08 | 2017-08-18 | 北京望远迅杰科技有限公司 | A kind of circuit structure of media screen |
| CN110071647A (en) * | 2019-04-01 | 2019-07-30 | 邓依诺 | A kind of middle school student's Experiment of Electrical Circuits power-supply system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180417 |