CN209472788U

CN209472788U - A kind of compatible electronic ballast LED daylight lamp power supply meeting safety certification requirement

Info

Publication number: CN209472788U
Application number: CN201821545716.XU
Authority: CN
Inventors: 梁贵斌; 周朝斌; 赵久瑜
Original assignee: Shenzhen Tianxin Electronics Co Ltd
Current assignee: Shenzhen Tianxin Electronics Co Ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2019-10-08
Anticipated expiration: 2028-09-21

Abstract

A kind of compatible electronic ballast LED daylight lamp power supply meeting safety certification requirement, including input terminal and output end, it is characterized by: the input terminal includes two AC inputs: input terminal L, input terminal N, electric ballast input terminal P1, input terminal P2, wherein the L of input terminal and input terminal N is that AC and the public input of electric ballast are auspicious.4 input terminals are connected on 4 needles at LED fluorescent lamp tube both ends；The output end LED+ output end LED- is connected in LED light；The input terminal L, N and input terminal P1, P2 are physically separated with relay, have the anti-conduction of connection and raddiating circuit in the input terminal L, N, have connection ballast identification circuit and ballast power control circuit in electric ballast the input terminal P1, P2.The power supply can detect the temperature of the compatible power supply of LED in compatible electronic ballast, and the other end does not have electric current output when using AC single-ended power, reach effective LED daylight lamp safety and energy-saving effect.

Description

A kind of compatible electronic ballast LED daylight lamp power supply meeting safety certification requirement

Technical field

The utility model relates to daylight lamp power source technical field, specially a kind of compatible electronic for meeting safety certification requirement Ballast LED daylight lamp power supply.

Background technique

With the development and popularization and application of LED lighting technology, LED has luminous efficiency height, long service life and high-quality , there is miscellaneous LED illumination product, such as LED daylight lamp, LEDbulb lamp, LED panel lamp in recent years in the advantages that light efficiency And LED downlight etc..Since countries in the world are to energy-saving and environment-friendly LED product pay attention to day by day, so that the city of LED energy-saving lamp product Field prospect is boundless.

People constantly carry out the discussion of electric ballast driving LED illumination, such as utility model patent 201220182562.9 disclosing electric ballast driving LED conversion module.The module utilizes the high frequency of electric ballast output The electrical energy drive LED obtained after the direct current limliting rectifying and wave-filtering pressure stabilizing of high voltage power supply.Because the AC alternating current of single ended input can not be compatible with Source is also unable to reach safe leakage current requirement during installing and using, and is to utilize resistance and current limit by inductance and three poles Pipe potentiostatic mode, output power and energy-saving effect are to be improved.

The fluorescent tube of early stage is furnished with coil ballast and neon bulb starter, is connected using neon bulb starter heating power So that coil ballast is generated high voltage pulse with disconnection process, lights fluorescent tube.Since energy consumption is high and the development of electronic technology, coil town Stream device is gradually replaced by electric ballast.

Traditional type fluorescent tube has been installed and used in huge numbers of families, it is provided with equipped with coil ballast or electronic ballast The fixation bracket of device.At present since the output of electric ballast is high-frequency high-voltage constant-current or invariable power isotype, common LED day Light lamp driving power source can't adapt to the output characteristics of electric ballast, it is necessary to tear open to the fixed bracket of original fluorescent tube It could be used except electric ballast and after reequiping straight-through AC alternating current, the fluorescent lighting fixture after repacking again can not be directly using general Logical fluorescent tube.Also some users is modified single-ended simultaneously or the LED daylight lamp of Double-End Source input, in this way to general Logical user installation brings very big puzzlement, can not voluntarily install and use.

Utility model content

The purpose of this utility model is to provide a kind of compatible electronic ballast LED daylight lamps for meeting safety certification requirement Power supply solves the problems, such as proposed in background technique.

To achieve the above object, the utility model provides the following technical solutions: a kind of compatibility meeting safety certification requirement Electric ballast LED daylight lamp power supply, including input terminal and output end, leakage current prevention circuit, conduction and emission control electronics, Electric ballast power control circuit, PWM power supply constant-current circuit, static release circuit, circuit of electronic ballast can recovery temperature Protect circuit, it is characterised in that:

The input terminal includes two AC power inputs: input terminal L, input terminal N, two electric ballast input terminal P1 It is shared with input terminal P2, two of them AC power input L and input terminal N and electric ballast input terminal P1 and input terminal P2,4 A end is connected on 4 needles at LED fluorescent lamp tube both ends；The output end is connected in LED light.

As a kind of preferred embodiment of the utility model, the input terminal L and input terminal N are connected to bridge rectifier electricity Road, the input terminal L and input terminal N are connected to X2 type capacitor C1, C2, the electric ballast input terminal P1 and input terminal P2 Electric ballast power control circuit is connected, the electric ballast power control circuit is connected to electric ballast sampling electricity Road.

As a kind of preferred embodiment of the utility model, the daylight lamp power source further comprise conduction and radiate every From circuit.

As a kind of preferred embodiment of the utility model, the daylight lamp power source further comprises for LED pressure stabilizing The power-switching circuit of constant current.

As a kind of preferred embodiment of the utility model, the leakage current prevention circuit includes relay and relay Control circuit.

As a kind of preferred embodiment of the utility model, the input terminal L and input terminal N, input terminal P1 and input End P2 is separately connected electric ballast, the external AC power source of electric ballast.

As a kind of preferred embodiment of the utility model, the electric ballast power control circuit includes transformer T2, L3 and integral control circuit U2, U3.

As a kind of preferred embodiment of the utility model, the static release circuit includes X2 capacitor C1, C2 and Y electricity Hold C12.

As a kind of preferred embodiment of the utility model, the electric ballast power control circuit includes transformer With inductance magnet ring and integrated circuit.

As a kind of preferred embodiment of the utility model, the renewable type temperature protection circuit includes temperature-sensitive element R20 and diode and triode and integrated circuit U 2, U3 and relay RL1.

Compared with prior art, the beneficial effects of the utility model are as follows:

The utility model overcomes the shortcomings that compatible power supply can not meet safety certification at present.Overcome existing LED daylight Lamp power supply cannot be compatible with the shortcomings that various Starting mode of traditional fluorescent lamp and great-power electronic ballast.In compatible electronic ballast The output power that electric ballast can be reasonably controlled while device, reaches effective LED daylight lamp energy-saving effect.It realizes simultaneously Recoverable temperature protection function is carried out after LED daylight lamp temperature caused by a variety of causes is excessively high, the present invention is in addition to compatible with single Outside fluorescent tube or more fluorescent tube electronic ballast for fluorescent lamp, moreover it is possible to compatible Inductive ballast and straight-through AC AC power source.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:

Fig. 1 is a kind of line for the compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement of the utility model Enclose ballast wiring schematic diagram；

Fig. 2 is a kind of electricity for the compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement of the utility model Sub-ballast wiring schematic diagram；

Fig. 3 is a kind of the straight of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement of the utility model Logical AC alternating current single ended input schematic diagram；

Fig. 4 is a kind of work for the compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement of the utility model Make schematic illustration.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of compatible electronic meeting safety certification requirement Ballast LED daylight lamp power supply, including input terminal and output end, leakage current prevention circuit, conduction and emission control electronics, electronics Ballast power control circuit, PWM power supply constant-current circuit, static release circuit, electric ballast power control circuit can restore Temperature protection circuit, it is characterised in that:

As a kind of preferred embodiment of the utility model, the input terminal L and input terminal N are connected to bridge rectifier electricity Road, the input terminal L and input terminal N are connected to X2 type capacitor C1 and C2, the X2 capacitance connection in diode D10 and D11 and Y capacitance C12.The electric ballast input terminal P1 connects electric ballast power control circuit with input terminal P2, described Electric ballast power control circuit be connected to electric ballast sample circuit T2 and L3 and relay RL1, the relay Device is connected to bridge rectifier D16 and D17 and D18.

As a kind of preferred embodiment of the utility model, the daylight lamp power source further comprise conduction and radiate every From circuit L1, L2, C5, C6, R10.

As a kind of preferred embodiment of the utility model, the daylight lamp power source further comprises for LED pressure stabilizing The power-switching circuit U1 and peripheral cell of constant current.

As a kind of preferred embodiment of the utility model, the leakage current prevention circuit include relay RL1 and after Electrical apparatus control circuit U2, U3 and peripheral cell.

As a kind of preferred embodiment of the utility model, the static release circuit includes X2 capacitor C1 and C2 and Y Capacitor C12.

When AC AC power source L passes through Inductive ballast, directly the L input terminal of the compatible power supply of arrival LED.AC AC power source N It is connected to the end P2 by the F2 fuse of the compatible power supply of P1 connection, then by internal transformer, the end P2 is using starter short circuit Then fuse reaches N input interface, provide AC power supply for compatible power supply.Power supply directly reaches bridge rectifier diode rectification At direct current, it is filtered by capacitor C5.So that C5 is obtained a stable DC source, then is supplied electricity to by power-switching circuit LED is used.

Fig. 2 show electric ballast and uses schematic diagram.Electric ballast is respectively filament voltage and high-frequency high-voltage signal It is output to L and N and P1 and P2, when the compatible power supply of LED is connected to transformer and inside by L and N and P1 and P2 input terminal Integrated circuit is sampled identification, when the signal that integrated circuit recognizes electric ballast is fully connected to the compatible power supply of LED After input terminal, integrated circuit can send out relay action signal, and relay is attracted, and the running current of electric ballast can flow It is coupled through the electronic components such as transformer and relay and capacitor fuse, finally reaches bridge rectifier, be sent to after filtering The compatible power output end of LED is then sent through after power circuit processing.Temperature shown in Fig. 4, after relay is attracted work, on power supply Degree detecting element can carry out the temperature identification of power source internal simultaneously, after the temperature of the compatible power supply of LED is more than normal value, integrate electricity Road U3 can be automatically stopped the adhesive action of relay, and after relay disconnects, the compatible power supply of LED stops working, until temperature is replied The compatible power up normal use of LED after powering off normally and again.

Shown in Fig. 3: when AC exchange is electrically connected to the input terminal L and input terminal of compatible electronic ballast LED daylight lamp power supply N.It is as shown in Figure 4: AC alternating current is directly rectified into DC power supply by bridge rectifier, is filtered by C5 capacitor, by C5, R10, L1, C6 form anti-conduction and raddiating circuit.C5 capacitor is set to obtain a stable DC source, then by power-switching circuit Supply electricity to LED use.

Shown in Fig. 4, it is isolated by the both-end leakage current that relay RL1 carries out the compatible power supply of LED, as the L of the compatible power supply of LED Connect AC alternating current with N, and P1 and P2 is in the signal of not electric ballast, integrated circuit will not output relay be attracted letter Number, relay will not be attracted, and P1 and P2 and L and N are completely isolated.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims

1. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement, including input terminal and output end, prevent Leakage current circuit, conduction and emission control electronics, electric ballast power control circuit, PWM power supply constant-current circuit, electrostatic are released Discharge road, electric ballast identification circuit, can recovery temperature protect circuit, bridge rectifier, it is characterised in that:

The input terminal includes two AC power inputs: input terminal L, input terminal N, two electric ballast input terminal P1 and defeated Enter and hold P2, two of them AC power input L and input terminal N and electric ballast input terminal P1 and input terminal P2 are shared, 4 ends It is connected on 4 needles at LED fluorescent lamp tube both ends；The output end is connected in LED light.

2. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the input terminal L and input terminal N is connected to bridge rectifier, and the input terminal L and input terminal N connect respectively It connects in X2 type capacitor C1 and C2, X2 capacitance connection is in diode D10 and D11 and Y capacitance C12, the electric ballast input terminal P1 connects electric ballast power control circuit with input terminal P2, and the electric ballast power control circuit is connected to electronics Ballast sample circuit and relay RL1, the relay are connected to bridge rectifier D16 and D17 and D18.

3. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the daylight lamp power source further comprises conduction and raddiating circuit L1, L2, C5, C6, R10.

4. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the daylight lamp power source further comprises the power-switching circuit for LED constant current.

5. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the leakage current prevention circuit includes relay RL1 and control relay circuit U2, U3 and peripheral cell.

6. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the input terminal L and input terminal N, input terminal P1 and input terminal P2 are separately connected electric ballast, the electronics town Flow the external AC power source of device.

7. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the electric ballast power control circuit includes transformer T2, L3 and integral control circuit U2, U3 and periphery electricity Road.

8. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the static release circuit includes X2 capacitor and Y capacitance.

9. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, Be characterized in that: the electric ballast power control circuit includes transformer and inductance magnet ring and integrated circuit.

10. a kind of compatible electronic ballast LED daylight lamp power supply for meeting safety certification requirement according to claim 1, It is characterized by: the renewable type temperature protection circuit includes temperature-sensitive element R20 and diode and triode and integrated circuit U2, U3 and relay RL1.