CN207652724U - A kind of lamps and lanterns with fan - Google Patents
A kind of lamps and lanterns with fan Download PDFInfo
- Publication number
- CN207652724U CN207652724U CN201721311876.3U CN201721311876U CN207652724U CN 207652724 U CN207652724 U CN 207652724U CN 201721311876 U CN201721311876 U CN 201721311876U CN 207652724 U CN207652724 U CN 207652724U
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- fan
- lamp bead
- led lamp
- lanterns
- lamps
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Abstract
The utility model discloses a kind of lamps and lanterns with fan, including：LED constant current driving power, fan and multigroup LED lamp bead group being serially connected；The LED constant current driving power is electrically connected and is used for LED lamp bead group powers for the LED lamp bead group；The fan is in parallel with arbitrary LED lamp bead group, and the LED lamp bead group in parallel with the fan is reduced to the fan by voltage and powers.It using the utility model, can effectively simplify driving circuit, reduce process costs, save space.
Description
Technical field
The utility model is related to lighting technical field more particularly to a kind of lamps and lanterns with fan.
Background technology
Bulb lamp is the Novel energy-saving lamp for substituting conventional incandescent light bulb.Conventional incandescent (tengsten lamp) energy consumption height, service life
It is short, under the overall situation of global resources anxiety, forbidden producing by national governments gradually, substitute products are electric energy-savings therewith
Although lamp, electronic energy-saving lamp improve energy-saving effect, but due to the use of the heavy metal element of many pollution environment, and run counter to
The main trend of environmental protection.As the high speed development LED illumination of LED technology is increasingly becoming the only choosing of novel green illumination.
Two sets of driving circuits of design are generally required in existing bulb lamp, wherein a set of driving circuit is used for as in bulb lamp
LED lamp bead power supply, another set of driving circuit is used to power (referring to Fig. 1 and Fig. 2) for fan, therefore, existing bulb lamp electricity
Road is complicated, and process costs are higher, wasting space.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of lamps and lanterns simple in structure, with fan, can be effective
Ground simplifies driving circuit, reduces process costs, saves space.
In order to solve the above-mentioned technical problem, the utility model provides a kind of lamps and lanterns with fan, including：LED constant current is driven
Dynamic power supply, fan and multigroup LED lamp bead group being serially connected；The LED constant current driving power is electrically connected with LED lamp bead group to be used in combination
It powers in for the LED lamp bead group；The fan is in parallel with arbitrary LED lamp bead group, and the LED lamp bead group in parallel with the fan is logical
Overvoltage is reduced to the fan power supply.
As the improvement of said program, the operating voltage of the voltage drop and fan of the LED lamp bead group in parallel with the fan
It is identical.
As the improvement of said program, every group of LED lamp bead group includes multiple LED lamp beads parallel with one another.
As the improvement of said program, the lamps and lanterns with fan further include zener diode, the zener diode with
Fan is in parallel.
As the improvement of said program, the lamps and lanterns with fan further include current-limiting resistance group, the current-limiting resistance group with
It is in parallel with arbitrary LED lamp bead group after fan series connection.
As the improvement of said program, the current-limiting resistance group includes multiple current-limiting resistances parallel with one another.
As the improvement of said program, the lamps and lanterns with fan further include for monitoring LED lamp bead operating temperature in real time
Paster thermistor, the paster thermistor one end connection LED lamp bead group cathode, the other end connect LED constant current drive
Dynamic power supply.
Implement the utility model, has the advantages that：
The utility model is in parallel with LED lamp bead group by fan, and is supplied fan using the voltage drop of LED lamp bead group
Electricity, therefore need not be the independent constant voltage drive circuit of fan design, can effectively simplify driving circuit, reduction technique at
This, saves space.Meanwhile fan is connected with other LED lamp bead groups again with after LED lamp bead group parallel connection in the utility model, after making
The LED lamp bead group energy normal luminous in face.
The utility model carries out over-voltage clamping protection using zener diode to fan.
The utility model adjusts the maximum current for flowing through fan by current-limiting resistance group, to limit the maximum electricity of fan
Stream ensures that fan will not be damaged because of high current.
The utility model monitors LED lamp bead operating temperature by paster thermistor in real time, realizes that overheat protector point is advantageous
In guarantee product reliability.
Description of the drawings
Fig. 1 is the circuit diagram of BUCK constant pressures Switching Power Supply in existing lamps and lanterns；
Fig. 2 is the circuit diagram of transformer auxiliary winding+LDO power supplys in existing lamps and lanterns；
Fig. 3 is the first embodiment circuit diagram of lamps and lanterns of the utility model with fan；
Fig. 4 is the circuit diagram of LED constant current driving power in lamps and lanterns of the utility model with fan；
Fig. 5 is the second embodiment circuit diagram of lamps and lanterns of the utility model with fan；
Fig. 6 is the 3rd embodiment circuit diagram of lamps and lanterns of the utility model with fan；
Fig. 7 is the fourth embodiment circuit diagram of lamps and lanterns of the utility model with fan.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
The first embodiment of lamps and lanterns of the utility model with fan is shown referring to Fig. 3, Fig. 3 comprising LED constant current drives
Power supply, fan M and multigroup LED lamp bead group being serially connected, every group of LED lamp bead group include multiple LED light parallel with one another
Pearl；The LED constant current driving power is electrically connected and is used for LED lamp bead group powers for the LED lamp bead group；The fan M with
Arbitrary LED lamp bead group is in parallel, and the LED lamp bead group in parallel with the fan M is reduced to the fan M by voltage and powers.
It should be noted that the utility model is powered fan M by the voltage drop of LED lamp bead group, therefore it is not required to
To be that fan M designs independent constant voltage drive circuit, can effectively simplify driving circuit, reduce process costs, save space.
In order to ensure the normal work of fan M, need to only choose with appropriate electrical pressure drop (VF) one or more groups of lamp bead groups
It carries out in parallel, it is preferable that the voltage drop of the lamps and lanterns with the fan LED lamp bead group in parallel with the fan M and fan M
Operating voltage it is identical.For example, fan M operating voltages are 12V then optional specified VFOne group of LED lamp bead group and wind equal to 12V
It is in parallel to fan M, also optional specified VFThe sum of equal to 12V multigroup LED lamp bead group it is in parallel with fan M.
As shown in figure 4, the utility model is powered LED lamp bead group using LED constant current driving power, wherein LED is permanent
The output voltage of driving power is flowed higher than the minimum voltage needed for fan M normal works, and the output of LED constant current driving power is more than
Minimum current needed for fan M normal works.
Therefore, the utility model by by fan M it is in parallel with LED lamp bead group be in order to using LED lamp bead group voltage drop
Fan M is powered (that is, using LED lamp bead group by suitable electric current when, both ends will produce more stable voltage drop,
And this voltage drop can meet fan M and work normally required voltage).Meanwhile fan M and LED light in the utility model
It connects again with other LED lamp bead groups after pearl group is in parallel, enables subsequent LED lamp bead group normal luminous.
As shown in figure 5, Fig. 5 shows the second embodiment of lamps and lanterns of the utility model with fan, as shown in figure 3 first
Unlike embodiment, the lamps and lanterns with fan described in the present embodiment further include zener diode ZD, the zener diode ZD
It is in parallel with fan M.
It should be noted that the utility model carries out over-voltage clamping protection using zener diode ZD to fan M.
As shown in fig. 6, Fig. 6 shows the 3rd embodiment of lamps and lanterns of the utility model with fan, with shown in fig. 5 second
Unlike embodiment, the lamps and lanterns with fan described in the present embodiment further include current-limiting resistance group, the current-limiting resistance group and wind
It is in parallel with arbitrary LED lamp bead group after fan M series connection, meanwhile, the LED lamp bead group in parallel with the current-limiting resistance group and fan M passes through
Voltage is reduced to the fan M power supplies.Wherein, the current-limiting resistance group includes multiple current-limiting resistances parallel with one another, preferably 2~
3 current-limiting resistances parallel with one another.
It should be noted that the utility model adjusts the maximum current for flowing through fan M by current-limiting resistance group, to limit
The maximum current of fan M ensures that fan M will not be damaged because of high current, wherein the DC current range for flowing through fan M is usually
50-150mA.Specifically, the current-limiting resistance group need to meet the following conditions:
(VF-VM)/IM max≤R≤(VF-VM)/IM min, wherein VFFor the voltage of the LED lamp bead group in parallel with fan M
Drop, R are total resistance value after current-limiting resistance parallel connection, VMFor the operating voltage of fan M, IM maxFor the maximum operating currenbt of fan M, IM minFor the minimum working current of fan M.
RIt is practical=(VF-VM)/IM, wherein RIt is practicalFor the actual resistance after current-limiting resistance parallel connection, IMFor the work electricity of fan M
Stream.
N≥(IM×IM×RIt is practical)/PR, wherein N is the quantity of current-limiting resistance, IMFor the operating current of fan M, PRFor current limliting
The power of resistance.
As shown in fig. 7, Fig. 7 shows the fourth embodiment of lamps and lanterns of the utility model with fan, with third shown in fig. 6
Unlike embodiment, the lamps and lanterns with fan described in the present embodiment further include for monitoring LED lamp bead operating temperature in real time
The cathode of one end connection LED lamp bead group of paster thermistor NTC, the paster thermistor NTC, it is permanent that the other end connects LED
Flow driving power.
It should be noted that LED lamp bead drops power automatically by the whole lamp of temperature, LED lamp bead temperature is high, paster thermistor
The resistance value of NTC becomes smaller, and to trigger overheat protector point, driving LED constant current driving power reduces duty cycle of switching, turns down output electricity
Stream is conducive to ensure product reliability to reach reduction power.
From the foregoing, it will be observed that the utility model is powered fan M using the voltage drop of LED lamp bead group, therefore need not be
Fan M designs independent constant voltage drive circuit, can effectively simplify driving circuit, reduces process costs, saves space.Together
When, the utility model carries out over-voltage clamping protection using zener diode ZD to fan M；Wind is flowed through by the adjusting of current-limiting resistance group
The maximum current for fanning M ensures that fan M will not be damaged because of high current to limit the maximum current of fan M；Pass through patch heat
Quick resistance NTC monitors LED lamp bead operating temperature in real time, realizes that overheat protector point is conducive to ensure product reliability.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (7)
1. a kind of lamps and lanterns with fan, which is characterized in that including LED constant current driving power, fan and multigroup LED being serially connected
Lamp bead group；
The LED constant current driving power is electrically connected and is used for LED lamp bead group powers for the LED lamp bead group；
The fan is in parallel with arbitrary LED lamp bead group, and the LED lamp bead group in parallel with the fan is reduced to the fan by voltage
Power supply.
2. the lamps and lanterns with fan as described in claim 1, which is characterized in that the electricity of the LED lamp bead group in parallel with the fan
Pressure drop is identical as the operating voltage of fan.
3. the lamps and lanterns with fan as described in claim 1, which is characterized in that every group of LED lamp bead group includes multiple mutual
LED lamp bead in parallel.
4. the lamps and lanterns with fan as described in claim 1, which is characterized in that further include zener diode, two pole of the voltage stabilizing
Pipe is in parallel with fan.
5. the lamps and lanterns with fan as described in claim 1, which is characterized in that further include current-limiting resistance group, the current-limiting resistance
Group is in parallel with arbitrary LED lamp bead group after connecting with fan.
6. the lamps and lanterns with fan as claimed in claim 5, which is characterized in that the current-limiting resistance group includes multiple parallel with one another
Current-limiting resistance.
7. the lamps and lanterns with fan as described in claim 1, which is characterized in that further include for monitoring LED lamp bead work in real time
The paster thermistor of temperature, the cathode of one end connection LED lamp bead group of the paster thermistor, it is permanent that the other end connects LED
Flow driving power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311876.3U CN207652724U (en) | 2017-10-11 | 2017-10-11 | A kind of lamps and lanterns with fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311876.3U CN207652724U (en) | 2017-10-11 | 2017-10-11 | A kind of lamps and lanterns with fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652724U true CN207652724U (en) | 2018-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721311876.3U Active CN207652724U (en) | 2017-10-11 | 2017-10-11 | A kind of lamps and lanterns with fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682956A (en) * | 2017-10-11 | 2018-02-09 | 佛山电器照明股份有限公司 | A kind of light fixture with fan |
-
2017
- 2017-10-11 CN CN201721311876.3U patent/CN207652724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107682956A (en) * | 2017-10-11 | 2018-02-09 | 佛山电器照明股份有限公司 | A kind of light fixture with fan |
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