CN206442549U - Division module and illuminator for illuminator - Google Patents
Division module and illuminator for illuminator Download PDFInfo
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- CN206442549U CN206442549U CN201621378568.8U CN201621378568U CN206442549U CN 206442549 U CN206442549 U CN 206442549U CN 201621378568 U CN201621378568 U CN 201621378568U CN 206442549 U CN206442549 U CN 206442549U
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- division module
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- voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides a kind of division module and illuminator for illuminator.The division module includes high-voltage linear chip and the current limit source being connected with the high-voltage linear chip, the division module is for the light emitting module and external constant-current supply in the illuminator of connecting, and for playing partial pressure when the output voltage of the constant-current supply reaches predetermined threshold value, wherein, the predetermined threshold value is more than or equal to the load voltage value of the light emitting module.The technical scheme is by installing division module come partial pressure in illuminator, the voltage being carried on light emitting module is remained within its rated voltage, so that it is guaranteed that light emitting module is not damaged by, the replacing that online powered light emitting module is carried out in the case where not turning off civil power and angular adjustment are realized, is that user brings many convenience.
Description
Technical field
The utility model is related to lighting technical field, more particularly to a kind of division module and illumination for illuminator
Light fixture.
Background technology
The external LED lamp of constant-current supply, all kinds of commercial and lighting of home are conveniently widely used in due to installing to replace
On.Existing LED lamp tube external sets scheme is that power unit and LED section are separated, and LED lamp tube passes through the socket of light fixture and light fixture
Internal cabling realizes the connection with power supply, and power unit adds to be fixed in light fixture after shell, and exports constant after civil power is connected
Electric current is to drive LED tube portion.
At present, external power supply is usually constant current output, and after external LED lamp tube and power supply are disengaged, power supply is defeated
Go out voltage Vout rises, power source internal circuit rises to after certain thresholding by detecting Vout voltage, will triggered in power supply
The open-circuit-protection in portion drags down Vout voltage.It is online that this implementation can not ensure that light fixture is realized in the case where continuous AC is switched
The replacing of powered LED lamp tube and angular adjustment, reason are：Quick powered hot plug is led between LED lamp tube and constant-current supply
There is high-voltage great-current when disconnected, easily damage external LED lamp tube.Therefore, to avoid LED lamp tube from damaging, installation personnel is in peace
Need the AC switches of light fixture breaking afterwards mounted LED lamp pipe again during dress and debugging or adjust the angle of LED lamp tube, and
Connect AC switches again after installing, its operating efficiency is relatively low, and it is cumbersome to install replacement process.
Utility model content
In view of the above problems, it is proposed that the utility model overcomes above mentioned problem to provide one kind or solved at least in part
The certainly division module and illuminator for illuminator of above mentioned problem.
According to one side of the present utility model, there is provided a kind of division module for illuminator, it is characterised in that
The current limit source being connected including high-voltage linear chip and with the high-voltage linear chip, the division module is used for the illumination of connecting
Light emitting module and external constant-current supply in light fixture, and for from when the output voltage of the constant-current supply reaches predetermined threshold value
Partial pressure is acted on, wherein, the predetermined threshold value is more than or equal to the load voltage value of the light emitting module.
Alternatively, the high-voltage linear chip at least includes input/output pin, ground pin and outward element pipe
Pin.
Alternatively, the input/output pin is connected with the light emitting module, the ground pin and the constant-current supply
Connection, the outward element pin is connected with one end of the current limit source, and the other end of the current limit source is connected to described connect
Ground pin.
Alternatively, the illuminator includes parallel with one another between division module, and each division module described at least two
Connection.
Alternatively, each division module is included between at least two current limit sources, at least two current limit source mutually simultaneously
Connection connection, and one end of at least two current limit sources being connected in parallel is connected to the outward element pipe of the division module
Pin, the other end is connected to the constant-current supply.
Alternatively, the current limit source is used for the constant current point for setting the high-voltage linear chip, and constant current point is higher than institute
State the output current of constant-current supply.
Alternatively, the high-voltage linear chip is chip SM2082D.
Alternatively, the current limit source is resistance.
According to other side of the present utility model there is provided a kind of illuminator, including light emitting module, be external in it is described
Constant-current supply on light emitting module and the as described above division module described in any one.
The technical solution of the utility model in illuminator due to by installing division module, and in the defeated of constant-current supply
Go out voltage and reach during the predetermined threshold value more than or equal to light emitting module load voltage value and play partial pressure using the division module, make
Constant-current supply output voltage it is excessive when can be by a part of voltage-drop loading in division module, so as to avoid excessive output
Voltage is all carried in the situation for causing light emitting module to damage on light emitting module.Especially civil power and separation constant current are not being turned off
In the case of power supply and light emitting module, now the output voltage of constant-current supply can become big suddenly because of the separation with light emitting module,
Light emitting module is easily damaged, therefore the technical scheme is by installing a division module come partial pressure in illuminator so that it is carried in
Voltage on light emitting module can be remained within its rated voltage, so that it is guaranteed that light emitting module is not damaged by, realized
Replacing and the angular adjustment of online powered light emitting module are carried out in the case where not turning off civil power, is that user brings many convenience.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below especially exemplified by embodiment of the present utility model.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Plus understand of the present utility model above-mentioned and other purposes, advantages and features.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to this practicality
New limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is a kind of schematic frame of division module for illuminator according to the utility model one embodiment
Figure；
Fig. 2 is a kind of schematic block diagram of illuminator according to the utility model one embodiment；
Fig. 3 is a kind of schematic circuit of illuminator in the utility model specific embodiment one；
Fig. 4 is a kind of schematic circuit of illuminator in the utility model specific embodiment two；
Fig. 5 is a kind of waveform correlation figure of illuminator according to the utility model one embodiment；
Fig. 6 is the oscillogram after waveform correlation figure according to Fig. 5 is deployed.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
Fig. 1 is a kind of schematic frame of division module for illuminator according to the utility model one embodiment
Figure.As shown in figure 1, the division module 100 may include high-voltage linear chip 110 and connects with high-voltage linear chip 110 in general manner
The current limit source 120 connect, division module 100 is used for the light emitting module and external constant-current supply being series in illuminator, and is used for
Play partial pressure when the output voltage of constant-current supply reaches predetermined threshold value, wherein, predetermined threshold value is more than or equal to light emitting module
Load voltage value.
In one embodiment, high-voltage linear chip 110 at least include input/output pin OUT, ground pin GND and
Outward element pin REXT.Wherein, input/output pin OUT is connected with light emitting module, ground pin GND and constant-current supply
Connection, outward element pin REXT is connected with one end of current limit source 120, and the other end of current limit source 120 is connected to ground pin
GND。
In one embodiment, illuminator includes at least two division modules 100, and phase between each division module 100
Mutually it is connected in parallel.
In one embodiment, each division module 100 includes at least two current limit sources 120, at least two current limit source 120
Between be connected in parallel with each other, and the one end at least two current limit source 120 being connected in parallel is connected to the external of division module 100
Component pin REXT, the other end is connected to constant-current supply.
In one embodiment, current limit source 120 is used for the constant current point for setting high-voltage linear chip 110, and the constant current point is high
In the output current of constant-current supply.
In one embodiment, high-voltage linear chip 110 is chip SM2082D.
In one embodiment, light emitting module is single led fluorescent tube or multiple LED lamp tube groups being connected in series with each other.
In one embodiment, current limit source 120 is resistance.
It should be noted that the utility model is not limited to current limit source 120 for resistance, it can any can be risen
To the element or component of metering function.
Fig. 2 is a kind of schematic block diagram of illuminator according to the utility model one embodiment.As shown in Fig. 2 should
Illuminator 200 may include light emitting module 210, the constant-current supply being external on light emitting module 210 220 and partial pressure in general manner
Module 100.In fig. 2, light emitting module 210 is external on constant-current supply 220；Division module 100 includes high-voltage linear chip 110
With the current limit source 120 being connected with high-voltage linear chip 110, division module 100 is series at constant-current supply 220 and light emitting module 210
Between, division module 100 is used to play partial pressure when the output voltage of constant-current supply 220 reaches predetermined threshold value, wherein, preset
Threshold value is more than or equal to the load voltage value of light emitting module 210.Wherein, light emitting module 210 can be single led fluorescent tube or many
The individual LED lamp tube group being connected in series with each other.
The technical solution of the utility model in illuminator due to by installing division module, and in the defeated of constant-current supply
Go out voltage and reach during the predetermined threshold value more than or equal to light emitting module load voltage value and play partial pressure using the division module, make
Constant-current supply output voltage it is excessive when can be by a part of voltage-drop loading in division module, so as to avoid excessive output
Voltage is all carried in the situation for causing light emitting module to damage on light emitting module.Especially civil power and separation constant current are not being turned off
In the case of power supply and light emitting module, now the output voltage of constant-current supply can become big suddenly because of the separation with light emitting module,
Light emitting module is easily damaged, therefore the technical scheme is by installing a division module come partial pressure in illuminator so that it is carried in
Voltage on light emitting module can be remained within its rated voltage, so that it is guaranteed that light emitting module is not damaged by, realized
Replacing and the angular adjustment of online powered light emitting module are carried out in the case where not turning off civil power, is that user brings many convenience.
Illustrate the illuminator that the utility model is provided below by way of two specific embodiments.
Embodiment one
Fig. 3 is a kind of schematic circuit of illuminator in the specific embodiment one.As shown in figure 3, luminous
Module be N number of dependent Series connect LED lamp tube group, including LED1, LED2, LED3 ..., LEDN.The pin 1 of constant-current supply
Positive pole V+ is met, the pin 2 of constant-current supply meets negative pole V-.Division module includes an a high-voltage linear chip U1 and resistance R1.Its
In, high-voltage linear chip U1 pin 1 is input/output pin OUT, and high-voltage linear chip U1 pin 2 is ground pin
GND, high-voltage linear chip U1 pin 3 are outward element pin REXT, and high-voltage linear chip U1 pin 1 and LED
Pipe is connected, and high-voltage linear chip U1 pin 2 is connected with the negative pole V- of constant-current supply, high-voltage linear chip U1 pin 3 and electricity
Hinder R1 one end connection, resistance R1 other end access high-voltage linear chip U1 pin 2.R1 resistance is used to set high-voltage line
Property chip U1 constant current point, and the constant current point is higher than the output current of constant-current supply.
In circuit shown in Fig. 3, when changing LED lamp tube or rotation regulation LED lamp tube in the case of not turning off civil power,
Because LED lamp tube departs from constant-current supply, therefore raise the output voltage of constant-current supply, when now accessing LED lamp tube again, due to
The division module accessed in illuminator enable constant-current supply output voltage while being carried in LED lamp tube and division module
On, i.e., unnecessary output voltage is carried on the high-voltage linear chip U1 in division module so that high-voltage linear chip U1 is shining
Metering function is served in bright lamp tool, so as to realize the protection to LED lamp tube.
It follows that due to being mounted with a division module in illuminator in embodiment one so that be carried in LED lamp tube
On voltage can remain within its rated voltage, so that it is guaranteed that LED lamp tube is not damaged by, realizes and constantly reopening after a cessation of business
The online replacing with electric pipe and angular adjustment are carried out in the case of electricity, is that user brings many convenience.
Embodiment two
Fig. 4 is a kind of schematic circuit of illuminator in the specific embodiment two.As shown in figure 4, luminous
Module is the LED lamp tube group that N number of dependent Series are connected, including LED1, LED2, LED3 ..., LED (N-1) and LEDN, LED
The voltage drop value of each LED lamp tube in light tube group is 2.9-3.4V.Constant-current supply CN1 pin 1 meets positive pole V+, constant-current supply
Pin 2 meets negative pole V-.The illuminator includes two division modules being connected in parallel with each other, and each division module is high including one
Line ball chip U1, U2 and two resistance being connected in parallel, wherein, high-voltage linear chip U1, U2 are bright micro- high-voltage linear core
Piece SM2082D.Wherein, high-voltage linear chip U1/U2 pin 1 is input/output pin OUT, high-voltage linear chip U1/U2
Pin 2 be ground pin GND, high-voltage linear chip U1/U2 pin 3 is outward element pin REXT, and high-voltage linear
Chip U1/U2 pin 1 is connected with LED lamp tube group, and high-voltage linear chip U1/U2 pin 2 connects with the negative pole V- of constant-current supply
Connect.High-voltage linear chip U1 pin 3 is connected with the resistance R1 and R2 that are connected in parallel one end, the resistance R1 and R2 being connected in parallel
Other end access high-voltage linear chip U1 pin 2.High-voltage linear chip U2 pin 3 and the resistance R3 and R4 being connected in parallel
One end connection, the resistance R3 and R4 that the are connected in parallel other end access high-voltage linear chip U2 pin 2.The electricity being connected in parallel
Resistance R1 and R2 resistance is used for the constant current point for setting high-voltage linear chip U1, and the resistance R3 and R4 that are connected in parallel resistance are used to set
High-voltage linear chip U2 constant current point is put, and high-voltage linear chip U1 and high-voltage linear chip U2 total constant current point is higher than Constant Electric Current
The output current in source.
In circuit shown in Fig. 4, when changing LED lamp tube or rotation regulation LED lamp tube in the case of not turning off civil power,
Because LED lamp tube departs from constant-current supply, therefore raise the output voltage of constant-current supply, when now accessing LED lamp tube again, due to
The division module accessed in illuminator enable constant-current supply output voltage while being carried in LED lamp tube and division module
On, i.e., unnecessary output voltage is carried on the high-voltage linear chip U1 in division module and high-voltage linear chip U2 so that high
Line ball chip U1 and high-voltage linear chip U2 serve metering function in illuminator, so as to realize the guarantor to LED lamp tube
Shield.
Fig. 5 shows the waveform correlation figure in above-described embodiment.As shown in figure 5, two waveforms above and below showing, wherein,
The waveform (2) of top is the waveform of the output voltage of constant-current supply, and the waveform (1) of lower section is the current waveform figure of LED lamp tube.By
It can be seen that in Fig. 5, after LED lamp tube departs from constant-current supply, the output voltage of constant-current supply can be raised, then quickly access LED
Guan Shi, moment too high output voltage can be loaded on high-voltage linear chip, limited by high-voltage linear chip and flowed through LED lamp tube
Electric current so that the electric current of LED lamp tube is no more than its rated current all the time, such as shown in waveform (1), therefore avoid overshoot electricity
Flow the damage to LED lamp tube.
Fig. 6 show the oscillogram for the connection LED lamp tube moment for obtaining the oscillogram expansion in Fig. 5.Wherein, top
The oscillogram that waveform (2) obtains for the waveform (1) of the output voltage of expansion constant-current supply, the waveform (2) of lower section is expansion LED
The oscillogram that the waveform (2) of the electric current of pipe is obtained.In waveform (2), the terrace part irised out using circle is high-voltage linear chip
Current limliting working portion.As seen from Figure 6, connecting the moment of LED lamp tube, the current limliting work of high-voltage linear chip is only occurred in
After constant-current supply open circuit, that is, constant-current supply output voltage rise, quickly access LED lamp tube again in the state of.It is now high
The electric current for flowing through LED lamp tube is clamped down in the work of line ball chip, and its clamp current is by current limit source (the i.e. electricity shown in Fig. 3-4
Resistance) determine, and the specific method for setting clamp current is prior art, therefore repeat no more.
In addition, after above-mentioned plateau (part that the circle i.e. shown in Fig. 6 is irised out), unnecessary output voltage can quilt
Release, initially enters the constant current state of constant-current supply, the voltage of high-voltage linear chip will be dropped at its turn-on threshold voltage.Can
See, because the constant current point of high-voltage linear chip is higher than the output current of constant-current supply, therefore be not involved in the constant current of whole circuit, from
Normal current output without influenceing whole circuit.
Similarly, it will be appreciated that in order to simplify the disclosure and help to understand one or many in each utility model aspect
It is individual, above in the description of exemplary embodiment of the present utility model, each feature of the present utility model is divided together sometimes
Group is into single embodiment, figure or descriptions thereof.However, the method for the disclosure should be construed to reflect following meaning
Figure：The utility model i.e. claimed requires features more more than the feature being expressly recited in each claim.
More precisely, as the following claims reflect, it is in terms of utility model single less than disclosed above
All features of embodiment.Therefore, it then follows thus claims of embodiment are expressly incorporated in the specific embodiment party
Formula, wherein each claim is in itself as separate embodiments of the present utility model.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in this practicality newly
Within the scope of type and form different embodiments.For example, in detail in the claims, embodiment claimed it is any
One of mode can use in any combination.
So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the present utility model many
Individual exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the utility model spirit and scope
The content opened directly determines or derived many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regarded as to cover other all these variations or modifications.
Claims (9)
1. a kind of division module for illuminator, it is characterised in that including high-voltage linear chip and with the high-voltage linear
The current limit source of chip connection, the division module is used for the light emitting module and external constant-current supply connected in the illuminator,
And for playing partial pressure when the output voltage of the constant-current supply reaches predetermined threshold value, wherein, the predetermined threshold value is more than
Or equal to the load voltage value of the light emitting module.
2. division module according to claim 1, it is characterised in that the high-voltage linear chip at least includes input/defeated
Go out pin, ground pin and outward element pin.
3. division module according to claim 2, it is characterised in that the input/output pin and the light emitting module
Connection, the ground pin is connected with the constant-current supply, and the outward element pin is connected with one end of the current limit source,
The other end of the current limit source is connected to the ground pin.
4. division module according to claim 1, it is characterised in that the illuminator includes partial pressure described at least two
It is connected in parallel with each other between module, and each division module.
5. division module according to claim 4, it is characterised in that each division module includes at least two current limlitings
It is connected in parallel with each other between source, at least two current limit source, and one end of at least two current limit sources being connected in parallel connects
The outward element pin of the division module is connected to, the other end is connected to the constant-current supply.
6. division module according to claim 1, it is characterised in that the current limit source is used to set the high-voltage linear core
The constant current point of piece, and constant current point is higher than the output current of the constant-current supply.
7. division module according to claim 1, it is characterised in that the high-voltage linear chip is chip SM2082D.
8. the division module according to any one of claim 1-7, it is characterised in that the current limit source is resistance.
9. a kind of illuminator, including light emitting module, the constant-current supply that is external on the light emitting module and such as claim
Division module described in 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378568.8U CN206442549U (en) | 2016-12-15 | 2016-12-15 | Division module and illuminator for illuminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621378568.8U CN206442549U (en) | 2016-12-15 | 2016-12-15 | Division module and illuminator for illuminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206442549U true CN206442549U (en) | 2017-08-25 |
Family
ID=59647452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621378568.8U Active CN206442549U (en) | 2016-12-15 | 2016-12-15 | Division module and illuminator for illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206442549U (en) |
-
2016
- 2016-12-15 CN CN201621378568.8U patent/CN206442549U/en active Active
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