CN102184666B - Method of digital voltage-regulating power supply in teaching experiments of modern middle and primary schools - Google Patents
Method of digital voltage-regulating power supply in teaching experiments of modern middle and primary schools Download PDFInfo
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- CN102184666B CN102184666B CN201110107322.2A CN201110107322A CN102184666B CN 102184666 B CN102184666 B CN 102184666B CN 201110107322 A CN201110107322 A CN 201110107322A CN 102184666 B CN102184666 B CN 102184666B
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Abstract
The invention relates to the technical field of power supplies in teaching experiments of middle and primary schools, and in particular relates to a digital voltage-regulating power supply in teaching experiments of modern middle and primary schools, which is provided with a voltage-regulating power supply body. The voltage-regulating power supply body is provided with an input port connected with an external input power supply and output ports for output of an experimental power supply, and is internally provided with a voltage-regulating circuit board; a panel of the voltage-regulating power supply body is provided with liquid crystal displays, control keys and state indicating lamps; and the output ports are also arranged on the panel. In the technical scheme adopted by the invention, the traditional voltage-regulating mode depending on rotating a dial is changed, the digital direct voltage regulation is realized by a corresponding control module loaded on the voltage-regulating circuit board, a control program and the control keys arranged on the panel, and the regulated voltage is displayed by utilizing an LED (light-emitting diode) screen, so that accurate regulation and control of voltage are realized.
Description
Technical field:
The present invention relates to middle and primary schools' education experiment power technique fields, refer in particular to a kind of digital voltage controller power source for modern middle and primary schools education experiment.
Background technology:
In traditional education experiment power supply series, what all use is to rotate driver chuck to realize regulation voltage.Because rotating driver plate regulation voltage is determined current voltage by visual and pointer completely, not only range of regulation is limited, and degree of accuracy is not high, also directly perceived not.Therefore, rotate driver chuck and be difficult to realize accurately control voltage, to education experiment, bring unfavorable factor.
Summary of the invention:
The object of the invention is to overcome the above-mentioned weak point of prior art, a kind of digital voltage controller power source for modern middle and primary schools education experiment is provided.
The technical scheme that the present invention realizes its object employing is: a kind of digital voltage controller power source for modern middle and primary schools education experiment, it has a voltage controller power source body, described voltage controller power source body is provided with the input port being connected with outside input power and the output port of exporting for experimental power supply, the inside of described voltage controller power source body is provided with regulating circuit plate, the panel of voltage controller power source body is provided with LCDs, controls button, status indicator lamp, and described output port is also arranged on described panel.
Particularly, in technique scheme, described regulating circuit plate is to have the regulating circuit plate of the functional circuit based on TL494CD chip, SN74HC165D chip, LM1893N chip, LM2596HVT-ADJ chip and MC74HC164AD chip, STC12C5620AD chip respectively.
Described LCDs comprises the DC display screen that shows DC information and the AC display screen that shows exchange of information.
Described control button comprises digital keys, cursor selection key, confirms button, AC/DC conversion keys, reset key and switch key.
Described output port comprises DC output end mouth and ac output end mouth.
Described status indicator lamp comprises relay indicating light, locking pilot lamp, overload light and AC/DC pilot lamp.
The present invention passes through technique scheme, change the mode that tradition relies on revolving dial regulation voltage, by the control button that is carried in corresponding control module, the control program on regulating circuit plate and be arranged on panel, realize directly regulation voltage of utilization numeral, and utilize LED screen to show the voltage after regulating, thereby realize the accuracy controlling of voltage.
Accompanying drawing explanation:
Fig. 1 is the structural representation of voltage controller power source of the present invention;
Fig. 2～Fig. 9 is the circuit diagram of each chip place functional circuit of regulating circuit plate of the present invention.
Embodiment:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
As shown in Figure 1, digital voltage controller power source of the present invention, it is mainly used in modern middle and primary schools education experiment, it has a voltage controller power source body 1, described voltage controller power source body 1 is provided with the input port 11 being connected with outside input power and the output port 12 of exporting for experimental power supply, the inside of described voltage controller power source body 1 is provided with regulating circuit plate 2, the panel 10 of voltage controller power source body 1 is provided with LCDs 13, controls button 14, status indicator lamp 15, and described output port 12 is also arranged on described panel 10.
Particularly, described LCDs 13 comprises the DC display screen 131 that shows DC information and the AC display screen 132 that shows exchange of information.
Described control button 14 comprises digital keys 141, cursor selection key 142, confirms button 143, AC/DC conversion keys 144, reset key 145 and switch key 146.Its concrete operations are as follows:
Described output port 12 comprises DC output end mouth 121 and ac output end mouth 122, is arranged on panel 10 very directly perceived, easy to use.
Described status indicator lamp 15 comprises relay indicating light 151, locking pilot lamp 152, overload light 153 and AC/DC pilot lamp 154, and under normal condition, one of relay indicating light 151 and AC/DC pilot lamp 154 light; After locking pilot lamp bright 154 lights, represent to have been locked by teacher computer, be now operating as invalid operation; Overload light 153 lights and represents that power supply load is excessive, reminds user to change in time the use state of power supply.
In technique scheme, described regulating circuit plate 2 is to have the regulating circuit plate of the functional circuit based on TL494CD chip (a plurality of), SN74HC165D chip, LM1893N chip, LM2596HVT-ADJ chip and MC74HC164AD chip, STC12C5620AD chip respectively, and the circuit diagram of each functional circuit is respectively as shown in Fig. 2～Fig. 9.
The present invention passes through technique scheme, change the mode that tradition relies on revolving dial regulation voltage, by the control button that is carried in corresponding control module, the control program on regulating circuit plate and be arranged on panel, realize directly regulation voltage of utilization numeral, and utilize LED screen to show the voltage after regulating, thereby realize the accuracy controlling of voltage.
Claims (4)
1. the pressure regulation method for the digital voltage controller power source of modern middle and primary schools education experiment, this digital voltage controller power source has a voltage controller power source body (1), described voltage controller power source body (1) is provided with the input port (11) being connected with outside input power and the output port (12) of exporting for experimental power supply, the inside of described voltage controller power source body (1) is provided with regulating circuit plate (2), the panel (10) of voltage controller power source body (1) is provided with LCDs (13), control button (14), status indicator lamp (15), described output port (12) is also arranged on described panel (10), described LCDs (13) comprises the DC display screen (131) that shows DC information and the AC display screen (132) that shows exchange of information, described control button (14) comprises digital keys (141), cursor selection key (142), confirms button (143), AC/DC conversion keys (144), reset key (145) and switch key (146), it is characterized in that: described pressure regulation method is: press switch key (146) and connect external power source, after DC liquid crystal display (131), AC display screen (132) light, press AC/DC conversion keys (144) and select AC or DC pattern, then click cursor selection key (142) and select input position at corresponding liquid crystal display, press again digital keys (141) input numeral, then by confirming button (143) confirmation, complete the output of required voltage.
2. the pressure regulation method of a kind of digital voltage controller power source for modern middle and primary schools education experiment according to claim 1, is characterized in that: described regulating circuit plate (2) is to have the regulating circuit plate of the functional circuit based on TL494CD chip, SN74HC165D chip, LM1893N chip, LM2596HVT-ADJ chip and MC74HC164AD chip, STC12C5620AD chip respectively.
3. the pressure regulation method of a kind of digital voltage controller power source for modern middle and primary schools education experiment according to claim 1, is characterized in that: described output port (12) comprises DC output end mouth (121) and ac output end mouth (122).
4. the pressure regulation method of a kind of digital voltage controller power source for modern middle and primary schools education experiment according to claim 1, is characterized in that: described status indicator lamp (15) comprises relay indicating light (151), locking pilot lamp (152), overload light (153) and AC/DC pilot lamp (154).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110107322.2A CN102184666B (en) | 2011-04-27 | 2011-04-27 | Method of digital voltage-regulating power supply in teaching experiments of modern middle and primary schools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110107322.2A CN102184666B (en) | 2011-04-27 | 2011-04-27 | Method of digital voltage-regulating power supply in teaching experiments of modern middle and primary schools |
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| CN102184666A CN102184666A (en) | 2011-09-14 |
| CN102184666B true CN102184666B (en) | 2014-05-07 |
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| CN201110107322.2A Active CN102184666B (en) | 2011-04-27 | 2011-04-27 | Method of digital voltage-regulating power supply in teaching experiments of modern middle and primary schools |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364782B (en) * | 2011-11-15 | 2014-10-08 | 安徽省电力公司铜陵供电公司 | Method for unlocking latching electromagnet of circuit breaker of hand trolley by using portable unlocking device |
| CN103915024A (en) * | 2014-04-17 | 2014-07-09 | 浙江先锋教育设备有限公司 | Teaching demonstration power supply control method |
| CN106230236A (en) * | 2016-08-25 | 2016-12-14 | 合肥博雷电气有限公司 | A kind of band quenches the four-quadrant output superconduction power supply of protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2259008Y (en) * | 1995-08-10 | 1997-08-06 | 赵继彦 | Multifunctional laboratory supply unit |
| CN2757193Y (en) * | 2004-11-19 | 2006-02-08 | 长沙行知教学实验室设备实业有限公司 | Safety power supply device for scientific laboratory of primary school |
| KR200418950Y1 (en) * | 2006-04-04 | 2006-06-14 | 정윤철 | bread board having multi-voltage power supplyer |
| CN201163750Y (en) * | 2007-10-18 | 2008-12-10 | 刘涛 | Large range high-precision digital DC power supply |
| CN201616208U (en) * | 2010-03-26 | 2010-10-27 | 国焕富 | Multifunctional circuit experiment teaching device |
| CN201781410U (en) * | 2010-08-20 | 2011-03-30 | 吕雄 | High-precision adjustable power source |
| CN102012713A (en) * | 2009-09-04 | 2011-04-13 | 南通恒帅机电设备有限公司 | Numerical control direct current voltage source |
-
2011
- 2011-04-27 CN CN201110107322.2A patent/CN102184666B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259008Y (en) * | 1995-08-10 | 1997-08-06 | 赵继彦 | Multifunctional laboratory supply unit |
| CN2757193Y (en) * | 2004-11-19 | 2006-02-08 | 长沙行知教学实验室设备实业有限公司 | Safety power supply device for scientific laboratory of primary school |
| KR200418950Y1 (en) * | 2006-04-04 | 2006-06-14 | 정윤철 | bread board having multi-voltage power supplyer |
| CN201163750Y (en) * | 2007-10-18 | 2008-12-10 | 刘涛 | Large range high-precision digital DC power supply |
| CN102012713A (en) * | 2009-09-04 | 2011-04-13 | 南通恒帅机电设备有限公司 | Numerical control direct current voltage source |
| CN201616208U (en) * | 2010-03-26 | 2010-10-27 | 国焕富 | Multifunctional circuit experiment teaching device |
| CN201781410U (en) * | 2010-08-20 | 2011-03-30 | 吕雄 | High-precision adjustable power source |
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| CN102184666A (en) | 2011-09-14 |
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