CN201986230U - Lighting device for wheelchair - Google Patents
Lighting device for wheelchair Download PDFInfo
- Publication number
- CN201986230U CN201986230U CN2011200689919U CN201120068991U CN201986230U CN 201986230 U CN201986230 U CN 201986230U CN 2011200689919 U CN2011200689919 U CN 2011200689919U CN 201120068991 U CN201120068991 U CN 201120068991U CN 201986230 U CN201986230 U CN 201986230U
- Authority
- CN
- China
- Prior art keywords
- wheelchair
- illuminating lamp
- control circuit
- lighting device
- storage battery
- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a lighting device for a wheelchair, belonging to the field of tools used for the disabled. The lighting device for a wheelchair comprises a wheelchair, and is composed of a charging circuit, a storage battery, a power switch, a control circuit and an illuminating lamp, wherein the charging circuit, the storage battery, the power switch, the control circuit and the illuminating lamp are connected via leads, the power switch is arranged below a wheelchair cushion, the charging circuit, the storage battery, the control circuit and the illuminating lamp are arranged inside a plastic casing and fixed at the front end of the wheelchair. The utility model uses a self-reset normal opening contact microswitch as the power switch, and automatically control turning on and turning off of the illuminating lamp by using that a photosensitive diode of the control circuit has high resistance at night and low resistance during daytime. The lighting device is suitable for the disabled. When using the wheelchair, a disabled people sits on the wheelchair and presses the power switch below the cushion to turn on the switch. Under the effect of the control circuit, the illuminating lamp is electrified to illuminate at night, but the illuminating lamp does not illuminate during the daytime even if electrified. The lighting device is convenient in usage, having good application prospect.
Description
Technical field
The utility model relates to disabled person's tool using device, especially can control a kind of wheelchair lighting device that the wheelchair illuminating lamp is opened and closed automatically.
Background technology
At present, known wheelchair lighting device uses inconvenience, and opening and closing illuminating lamp all needs Artificial Control, can not accomplish automatic control.
The utility model content
The purpose of this utility model is to overcome existing wheelchair lighting device to use inconvenience, can not accomplish automatic control, provides a kind of easy to use, automatically a kind of wheelchair lighting device of control.
The purpose of this utility model is achieved in that
A kind of wheelchair lighting device, comprise wheelchair, it is characterized in that constituting by charging circuit, storage battery, mains switch, control circuit and illuminating lamp, connect by lead between charging circuit, storage battery, mains switch, control circuit and the illuminating lamp, mains switch is installed under the wheel cushion, and charging circuit, storage battery, control circuit and illuminating lamp are installed in the plastic casing and are fixed on the wheelchair front end.
Described charging circuit is made up of a transformer, five silicon rectifier diodes, an electrochemical capacitor, two ceramic disc capacitors and the fixing output of 6V three an ends pressurizer, connects by lead therebetween.
Described storage battery is a lead acid accumulator.
Described mains switch is from resetting the normally opened contact sensitive switch.
Described control circuit is made up of a photodiode, a trimmer potentiometer, a NPN triode and an one-way SCR, connects by lead therebetween.
Described illuminating lamp is the flashlight miniature bulb.
The utility model utilizes the photodiode of control circuit to be high resistance at night, thereby is the light on and off that low resistance is controlled illuminating lamp automatically by day with from resetting the normally opened contact sensitive switch as mains switch.Be applicable to the disabled person.When using wheelchair, the people is sitting in the mains switch that will push down on the wheelchair under the cushion and makes it to open, and under the effect of control circuit, the night lighting lamp will get electroluminescence, promptly makes that electricity can be not luminous yet daytime.The utility model is easy to use, has good application prospect.
Description of drawings
Fig. 1 is the utility model structured flowchart, and Fig. 2 is the circuit diagram of Fig. 1.
Embodiment
Shown in Fig. 1, a kind of wheelchair lighting device, comprise wheelchair, constitute by charging circuit, storage battery, mains switch, control circuit and illuminating lamp, connect by lead between charging circuit, storage battery, mains switch, control circuit and the illuminating lamp, mains switch is installed under the wheel cushion, and charging circuit, storage battery, control circuit and illuminating lamp are installed in the plastic casing and are fixed on the wheelchair front end.Charging circuit is made up of a transformer, five silicon rectifier diodes, an electrochemical capacitor, two ceramic disc capacitors and the fixing output of 6V three an ends pressurizer, connects by lead therebetween.Storage battery is a lead acid accumulator.Mains switch is from resetting the normally opened contact sensitive switch.Control circuit is made up of a photodiode, a trimmer potentiometer, a NPN triode and an one-way SCR, connects by lead therebetween.Illuminating lamp is the flashlight miniature bulb.
As shown in Figure 2, by transformer T, silicon rectifier diode VD1, VD2, VD3, VD4, VD5, electrochemical capacitor C1, the fixing output of ceramic disc capacitor C2, C3 and 6V three ends pressurizer A forms charging circuit.G is a storage battery.S is a mains switch.By photodiode VD, trimmer potentiometer RP, NPN triode VT, one-way SCR VS forms control circuit.HL is an illuminating lamp.In charging circuit, AC power 220V reduces to 12V through T, through VD1, VD2, VD3, VD4 rectification, the 1st pin of input A after the C1 filtering, because earth terminal the 2nd pin string of A has a VD5, the 3rd pin output voltage of A just is stabilized in 6.7V like this, and the effect of C2 is the ripple characteristics that changes power supply, and the effect of C3 is a transient response of improving load.Do not use wheelchair at ordinary times, when G did not have electricity, the power supply of charging circuit output charged to G, and the charging interval is 8 hours.When using wheelchair, the people is sitting in the S that will push down on the wheelchair under the cushion and makes it to open.After S opened, control circuit will get electric work, night, because the VD of control circuit does not have solar radiation and is high resistance, VT obtains suitable bias current will conducting, and from VT emitter output high level, when the high level of VT output triggered VS, HL will get electroluminescence.When night during without wheelchair, because the people has left the wheel cushion, S will close automatically.And when using by day, even the people is sitting in the S that pushes down on the wheelchair cushion under, but because VD is subjected to solar radiation to be low resistance, VT just can not conducting, and HL can not get electric work yet.Like this, just accomplished automatic control, HL can be not bright when used wheelchair daytime; HL was just bright when used wheelchair evening, closed automatically when not using.
In Fig. 2, T is 220V/12V, 5W transformer; VD1, VD2, VD3, VD4, VD5 are that the silicon rectifier diode model is 1N4001; C1 is that the electrochemical capacitor model is 16V/1000UF; C2 is that the ceramic disc capacitor model is 0.33UF; C3 also is that the ceramic disc capacitor model is 0.1UF; A is the fixing output of 6V three an ends pressurizer, and model is 78M06, and output current is 500 milliamperes.G is that the lead acid accumulator model is 6V/4AH.S is from resetting the normally opened contact sensitive switch.VD is a 2CU type photodiode; RP is the 150K trimmer potentiometer; VT is the NPN triode, and model is 9014; VS is that plastic packaging one-way SCR model is MCR100-1.HL is a 6V flashlight miniature bulb, and specification is 6W.
Claims (3)
1. wheelchair lighting device, comprise wheelchair, it is characterized in that constituting by charging circuit, storage battery, mains switch, control circuit and illuminating lamp, connect by lead between charging circuit, storage battery, mains switch, control circuit and the illuminating lamp, mains switch is installed under the wheel cushion, and charging circuit, storage battery, control circuit and illuminating lamp are installed in the plastic casing and are fixed on the wheelchair front end.
2. a kind of wheelchair lighting device according to claim 1, it is characterized in that charging circuit is made up of a transformer, five silicon rectifier diodes, an electrochemical capacitor, two ceramic disc capacitors and the fixing output of 6V three an ends pressurizer, connect by lead therebetween.
3. a kind of wheelchair lighting device according to claim 1 is characterized in that control circuit is made up of a photodiode, a trimmer potentiometer, a NPN triode and an one-way SCR, connects by lead therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200689919U CN201986230U (en) | 2011-03-16 | 2011-03-16 | Lighting device for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200689919U CN201986230U (en) | 2011-03-16 | 2011-03-16 | Lighting device for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201986230U true CN201986230U (en) | 2011-09-21 |
Family
ID=44613679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200689919U Expired - Fee Related CN201986230U (en) | 2011-03-16 | 2011-03-16 | Lighting device for wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201986230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580572A (en) * | 2016-11-21 | 2017-04-26 | 苏州速蝶科技有限公司 | Electrically powered wheelchair for disabled people and with nighttime traveling function |
-
2011
- 2011-03-16 CN CN2011200689919U patent/CN201986230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580572A (en) * | 2016-11-21 | 2017-04-26 | 苏州速蝶科技有限公司 | Electrically powered wheelchair for disabled people and with nighttime traveling function |
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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: 20110921 Termination date: 20130316 |