CN105042534A - Anti-fault operation shadowless lamp power supply system - Google Patents
Anti-fault operation shadowless lamp power supply system Download PDFInfo
- Publication number
- CN105042534A CN105042534A CN201510425458.6A CN201510425458A CN105042534A CN 105042534 A CN105042534 A CN 105042534A CN 201510425458 A CN201510425458 A CN 201510425458A CN 105042534 A CN105042534 A CN 105042534A
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- power supply
- power
- stand
- lamp
- power input
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention relates to an anti-fault operation shadowless lamp power supply system which comprises a power input device and a power output device. An inverse current preventing device is arranged between the power input device and the power output device. A boosting device is connected to the power input device and connected with a current limiting device. A charging state display device and a reserve power source are connected to the current limiting device. The reserve power source is connected with an electric quantity detection device connected with an alarm device. An automatic power supply switching device is connected between the power input device and the power output device. A working state display device is connected to the automatic power supply switching device. The anti-fault operation shadowless lamp power supply system has the advantages of ensuring smooth operation, being high in efficiency, saving cost and energy consumption, being simple in circuit structure and high in practicability, and effectively preventing the reserve power source from being connected into a fault power source in series.
Description
Technical field
The present invention relates to a kind of electric power system, particularly a kind of fail-safe operation shadowless lamp electric power system.
Background technology
Operating lamp comprises overall reflective operating lamp and cellular type operating lamp two kinds of series, and overall reflective operating lamp divides again son-mother lamp and single lamp; Cellular type operating lamp is also point son-mother lamp and single lamp two kinds of specifications.Operating lamp, give security to Operating Room Illumination brightness, operating room surgeon must can resolved profile, color and movement accurately, therefore the luminous intensity close to day light quality is needed, minimum is the intensity of illumination of 40,000 illumination, operating lamp just can provide single lamp the maximum brightness reaching 160,000 illumination, and the brightness of operating lamp all can carry out step-less adjustment, and therefore operating lamp can provide safe surgical light.Operating lamp is by polygon reflector, and can reach shadow-free lighting requirement, this reflecting surface is through industrial punching press one-shot forming, and reflecting rate is high by 95%.
Operation shadowless lamp is generally in order to ensure its reliability, two shadowless lamp bubbles are equipped with in capital, automatically secondary bulb work can be switched to fast after main bulb damages, the carrying out of operation can not be had influence on like this, if but the power supply of shadowless lamp electric power system or supply line of hospital break down, then can have influence on whole operation, so the security reliability of the power supply of shadowless lamp electric power system and supply line of hospital is most important.
Summary of the invention
The object of the invention is to overcome above deficiency, provide a kind of safe and reliable, cost-saving and energy consumption, circuit structure is simple, practical fail-safe operation shadowless lamp electric power system.
Object of the present invention is achieved through the following technical solutions: a kind of fail-safe operation shadowless lamp electric power system, comprise power input, and power output apparatus, anti-backflow device is provided with between described power input 1 and power output apparatus, described power input is connected with increasing apparatus, described increasing apparatus is connected with current-limiting apparatus, described current-limiting apparatus is connected with charged state display unit and stand-by power supply, described stand-by power supply is connected with electric quantity detection apparatus, described electric quantity detection apparatus is connected with warning device, to power between described power input and power output apparatus automatic switching control equipment, described power supply automatic switching control equipment is connected with operating status display apparatus.
Power input delivers to output device after anti-backflow device, power supply automatic switching control equipment adopts independently loop power supply to provide to relay and cuts automatic switching control equipment, when there being electricity, relay closes, stand-by power supply cuts off automatically, the normal lamp of operating status display apparatus is bright, represent normal power supply, during without electricity, powered through relay normally-closed contact by stand-by power supply, malfunction indicator lamp lights, charge circuit adopts Switching Power Supply pressure build-up technique that voltage is brought up to charging voltage, charge to stand-by power supply after current limliting after boosting, current-limiting apparatus there is a charged state display unit, charged state can be shown, stand-by power supply realizes the too low warning of electricity through electric quantity detecting circuit.
The present invention compared with prior art has the following advantages:
1, by increasing fail-safe power supply in conventional shadowless lamp circuit, when the power supply of shadowless lamp electric power system or supply line of hospital break down, still normally can use shadowless lamp, having ensured that operation is carried out smoothly.
2, adopt Switching Power Supply pressure build-up technique to charge to stand-by power supply, efficiency is high, eliminates independent charge power supply, has saved cost and energy consumption
3, by charged in parallel display circuit in current-limiting circuit, realize charged state instruction, during charging, lamp is bright, and when being full of, lamp goes out, and circuit structure is simple, practical
4, in 0.2s, realize main electric fault to switch fast, power supply is automatically switched and is made up of independent circuit, not by main circuit power supply to relay, avoid film more than circuit capacitance to ring switching time, performance be improved
5, there is anti-backflow circuit, effectively avoid stand-by power supply to seal in trouble power
6, there is normal power supply and fault to power indicator lamp, be green time normal, shown in red during fault, pending fault skips to normal power supply pattern, the normally-closed contact of the ingenious utilization relay of trouble light after getting rid of automatically, relay adhesive during normal power supply, trouble light is shorted lamp and goes out, and when stand-by power supply is powered, trouble light is bright, the complicated function of simple circuit realiration
7, this circuit has that structure is simple, practical, stability is strong, antijamming capability is strong, low cost and other advantages, application and extensive, suitable for large-scale promotion.
accompanying drawing illustrates:
Fig. 1 is theory diagram of the present invention;
Fig. 2 is electrical schematic diagram of the present invention;
Number in the figure: 1-power input, 2-power output apparatus, 3-anti-backflow device, 4-power automatic switching control equipment, 5-operating status display apparatus, 6-increasing apparatus, 7-current-limiting apparatus, 8-charged state display unit, 9-stand-by power supply, 10-electric quantity detection apparatus, 11-warning device.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
As Fig. 1 to Fig. 2 shows the embodiment of a kind of fail-safe operation shadowless lamp of the present invention electric power system: comprise power input 1, power output apparatus 2, anti-backflow device 3 is provided with between described power input 1 and power output apparatus 2, described power input 1 is connected with increasing apparatus 6, described increasing apparatus 6 is connected with current-limiting apparatus 7, described current-limiting apparatus 7 is connected with charged state display unit 8 and stand-by power supply 9, described stand-by power supply 9 is connected with electric quantity detection apparatus 10, described electric quantity detection apparatus 10 is connected with warning device 11, to power between described power input 1 and power output apparatus 2 automatic switching control equipment 4, described power supply automatic switching control equipment 4 is connected with operating status display apparatus 5.
Power input 1 delivers to output device 2 after anti-backflow device 3, power supply automatic switching control equipment 4 adopts independently loop power supply to provide to relay and cuts automatic switching control equipment 4, when there being electricity, relay closes, stand-by power supply 9 cuts off automatically, the normal lamp of operating status display apparatus 5 is bright, represent normal power supply, during without electricity, powered through relay normally-closed contact by stand-by power supply 9, malfunction indicator lamp lights, charge circuit adopts Switching Power Supply pressure build-up technique that voltage is brought up to charging voltage, charge to after current limliting after boosting stand-by power supply 9, current-limiting apparatus 7 there is a charged state display unit 8, charged state can be shown, stand-by power supply 9 realizes the too low warning of electricity through electric quantity detecting circuit 10.
Specific implementation step: (see Fig. 2)
Power input P1 delivers to power output end P2 after anti-backflow circuit D3; Form power supply automatic switch-over circuit by D10, K1, D2, when external circuitry is normal, K1 adhesive, is powered by main circuit, cuts off stand-by power supply P3, during main circuit fault, is powered by stand-by power supply; DS1, R3, DS2, R5 form duty display circuit, during normal work, DS1 lights, DS2 is shorted and does not work, and during malfunction, DS1 extinguishes, and DS2 lights, C3, C1, L1, D1, U1, R1, R2, C4, C2 form booster circuit, are raised by supply voltage, charge after current-limiting circuit R6, D4, D5, D6 to stand-by power supply; DS3, R4 are charged state display circuit, and during charging, lamp is bright, are full of back light and go out, and the brightness of lamp changes with charge strength, and charging current is larger, and rechargeable lamp is brighter; D7, D8, R8, Q2 form electric quantity detecting circuit, and R7, Q1, D9, LS1 form warning circuit, send chimes of doom when brownout, to protect stand-by power supply not by overdischarge.
The present invention adopts Switching Power Supply pressure build-up technique to charge to stand-by power supply, and efficiency is high, eliminates independent charge power supply; By charged in parallel display circuit in current-limiting circuit, realize charged state instruction, during charging, lamp is bright, and when being full of, lamp goes out; During main circuit work, do not realize power supply by relay, decrease the possibility that fault occurs, improve the stability of circuit; In 0.2s, realize main electric fault switch fast, power supply is automatically switched and is made up of independent circuit, not by main circuit power supply to relay, avoid film more than circuit capacitance to ring switching time; There is anti-backflow circuit, effectively avoid stand-by power supply to seal in trouble power; There is normal power supply and fault to power indicator lamp, be green time normal, shown in red during fault, after pending fault is got rid of, automatically normal power supply pattern is skipped to, the normally-closed contact of the ingenious utilization relay of trouble light, relay adhesive during normal power supply, trouble light is shorted lamp and goes out, and when stand-by power supply is powered, trouble light is bright
The present invention has that structure is simple, practical, stability is strong, antijamming capability is strong, low cost and other advantages, application and extensive, suitable for large-scale promotion.
The another statement of applicant, the present invention illustrates implementation method of the present invention and apparatus structure by above-described embodiment, but the present invention is not limited to above-mentioned embodiment, does not namely mean that the present invention must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, replaces and the interpolation of step, concrete way choice etc., all drop within protection scope of the present invention and scope of disclosure implementation method equivalence selected by the present invention.The present invention is not limited to above-mentioned embodiment, and all employings and analog structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.
Claims (4)
1. a fail-safe operation shadowless lamp electric power system, it is characterized in that: comprise power input (1) and power output apparatus (2), anti-backflow device (3) is provided with between described power input (1) and power output apparatus (2), described power input (1) is connected with increasing apparatus (6), and described increasing apparatus (6) is connected with current-limiting apparatus (7).
2. a kind of medicine equipment image bed control circuit according to claim 1, it is characterized in that: on described current-limiting apparatus (7), be connected with charged state display unit (8) and stand-by power supply (9), described stand-by power supply (9) and electric quantity detection apparatus 10) be connected, described electric quantity detection apparatus (10) is connected with warning device (11).
3. a kind of medicine equipment image bed control circuit according to claim 1 or 2, it is characterized in that: automatic switching control equipment (4) of powering between described power input (1) and power output apparatus (2), described power supply automatic switching control equipment (4) is connected with operating status display apparatus (5).
4. a kind of medicine equipment image bed control circuit according to claim 3, is characterized in that: power input (1) delivers to output device (2) after anti-backflow device (3), power supply automatic switching control equipment (4) adopts independently loop power supply to provide to relay and cuts automatic switching control equipment (4), when there being electricity, relay closes, stand-by power supply (9) cuts off automatically, the normal lamp of operating status display apparatus (5) is bright, represent normal power supply, during without electricity, powered through relay normally-closed contact by stand-by power supply (9), malfunction indicator lamp lights, charge circuit adopts Switching Power Supply pressure build-up technique that voltage is brought up to charging voltage, after current limliting, stand-by power supply (9) charging is given after boosting, current-limiting apparatus (7) is gone up and is had charged state display unit (8), charged state can be shown, stand-by power supply (9) realizes the too low warning of electricity through electric quantity detecting circuit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425458.6A CN105042534A (en) | 2015-07-20 | 2015-07-20 | Anti-fault operation shadowless lamp power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425458.6A CN105042534A (en) | 2015-07-20 | 2015-07-20 | Anti-fault operation shadowless lamp power supply system |
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| Publication Number | Publication Date |
|---|---|
| CN105042534A true CN105042534A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510425458.6A Pending CN105042534A (en) | 2015-07-20 | 2015-07-20 | Anti-fault operation shadowless lamp power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461681A (en) * | 2017-03-17 | 2017-12-12 | 梧州理想科技有限公司 | A kind of novel shadowless operating lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395232A (en) * | 2011-10-12 | 2012-03-28 | 南通医疗器械有限公司 | Shadowless lamp control wiring board for nixie tube display |
| CN102695342A (en) * | 2012-05-31 | 2012-09-26 | 南通医疗器械有限公司 | Digital dimming circuit system of LED shadowless lamp |
| CN103580279A (en) * | 2013-11-15 | 2014-02-12 | 南通医疗器械有限公司 | 24V uninterruptible power supply system for shadowless lamp or medical instrument bed |
| CN205014302U (en) * | 2015-07-20 | 2016-02-03 | 南通医疗器械有限公司 | Prevent trouble operating astral lamp power supply system |
-
2015
- 2015-07-20 CN CN201510425458.6A patent/CN105042534A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102395232A (en) * | 2011-10-12 | 2012-03-28 | 南通医疗器械有限公司 | Shadowless lamp control wiring board for nixie tube display |
| CN102695342A (en) * | 2012-05-31 | 2012-09-26 | 南通医疗器械有限公司 | Digital dimming circuit system of LED shadowless lamp |
| CN103580279A (en) * | 2013-11-15 | 2014-02-12 | 南通医疗器械有限公司 | 24V uninterruptible power supply system for shadowless lamp or medical instrument bed |
| CN205014302U (en) * | 2015-07-20 | 2016-02-03 | 南通医疗器械有限公司 | Prevent trouble operating astral lamp power supply system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461681A (en) * | 2017-03-17 | 2017-12-12 | 梧州理想科技有限公司 | A kind of novel shadowless operating lamp |
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Application publication date: 20151111 |