CN210807745U

CN210807745U - Lamp tube compatible with high frequency and power frequency

Info

Publication number: CN210807745U
Application number: CN201921565279.2U
Authority: CN
Inventors: 宣启炜; 朱忠有; 葛凯旋; 卢伟平
Original assignee: Hengdian Group Tospo Lighting Co Ltd
Current assignee: Hengdian Group Tospo Lighting Co Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-19
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a fluorescent tube that can compatible high frequency and power frequency, including the safety protection circuit, rectifier circuit, LED drive circuit, electronic ballast drive circuit A, leak current detection protection circuit B1 and IC drive circuit B2 on the spot, wherein, the safety protection circuit is connected with input L and input N respectively, the safety protection circuit still respectively with rectifier circuit, leak current detection protection circuit B1 and electronic ballast drive circuit A are connected, rectifier circuit is connected with IC drive circuit B2 on the spot. The utility model has the advantages that the leakage current detection protection circuit B1 is arranged, and the safety of the lamp tube in the dismounting process is ensured because the lamp tube is charged from two ends; the utility model discloses a set up IC drive circuit B2 on the spot, with the unnecessary harmonic component filtering in the electric current of output behind the rectification to vibrate output constant current through IC on the spot and peripheral circuit.

Description

Lamp tube compatible with high frequency and power frequency

Technical Field

The utility model belongs to the technical field of the LED fluorescent tube, concretely relates to can compatible high frequency electronic ballast and power frequency alternating current applied LED fluorescent tube simultaneously.

Background

At present, LED lamp tubes on the market have many types, but when in use, the use method is different according to different principles: use with direct replacement compatible ballasts; the ballast is required to be modified and used after being removed from the trimming line; different lamp tubes need to be matched with different lamp holders of the lamp to be normally used, and a customer-end consumer without relevant professional knowledge is difficult to know which lamp holder in the lamp is reached, so that the user does not know how to purchase the lamp tubes to match the existing lamp, and the situation that the lamp is not lightened or damaged due to misuse easily occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can compatible high frequency and power frequency's fluorescent tube to solve the problem that provides in the above-mentioned background art. The utility model provides a pair of fluorescent tube that can compatible high frequency and power frequency has the characteristics that can compatible high frequency electronic ballast and bi-polar power frequency alternating current simultaneously use.

In order to achieve the above object, the utility model provides a following technical scheme: a lamp tube compatible with high frequency and power frequency comprises a safety protection circuit, a rectification circuit, an LED drive circuit, an electronic ballast drive circuit A, a leakage current detection protection circuit B1 and a field IC drive circuit B2, wherein the safety protection circuit is respectively connected with an input end L and an input end N, the safety protection circuit is also respectively connected with the rectification circuit, a leakage current detection protection circuit B1 and the electronic ballast drive circuit A, the rectification circuit is connected with the field IC drive circuit B2, the leakage current detection protection circuit B1 is connected with the field IC drive circuit B2, the leakage current detection protection circuit B1 is connected with the LED drive circuit, the electronic ballast drive circuit A is connected with the LED drive circuit, and the LED drive circuit is also respectively connected with an output end LED + and an output end LED-.

The utility model discloses in furtherly, the safety protection circuit includes temperature fuse F1, temperature fuse F2, fuse resistance FR1 and piezo-resistor RV1, wherein, temperature fuse F1 input is connected with input L, temperature fuse F2 input is connected with input N, temperature fuse F1 output is connected with fuse resistance FR1 input, fuse resistance FR1 output is connected with rectifier circuit and leakage current detection protection circuit B1 respectively, temperature fuse F2 output is connected with rectifier circuit and electronic ballast drive circuit A respectively.

The utility model discloses in furtherly, rectifier circuit includes diode DS1, diode DS2, diode DS3 and diode DS4, wherein, diode DS1, diode DS2, diode DS3 and diode DS4 are end to end connection in proper order and are constituteed first bridge rectifier module, first bridge rectifier module's input and safety protection circuit are connected, first bridge rectifier module's the output positive pole and IC drive circuit B2 on the spot input bus-bar end are connected, first bridge rectifier module output negative pole is return circuit ground GND.

Further in the present invention, the LED driving circuit comprises an electrolysis CE1 and a resistor RS1, wherein the electrolysis CE1 is connected in parallel with the resistor RS1, the anode of the electrolysis CE1 is connected with the output LED + and the field IC driving circuit B2, and the cathode of the electrolysis CE1 is connected with the output LED-, the field IC driving circuit B2 and the electronic ballast driving circuit a.

The utility model discloses in furtherly, electronic ballast drive circuit A includes detection electric capacity CS4, diode DS7, diode DS8, electric capacity CS3, resistance RS12, stabilivolt Z1 and MOS pipe Q1, wherein, diode DS7 and diode DS8 constitute second bridge rectifier module, detection electric capacity CS4 is connected with temperature fuse F2 and second bridge rectifier module respectively, second bridge rectifier module still respectively with electric capacity CS3, resistance RS12 and stabilivolt Z1 are parallelly connected, MOS pipe Q1 'S D utmost point is connected with electrolysis CE1 negative pole and IC drive circuit B2 on the spot respectively, MOS pipe Q1' S S utmost point is connected with return circuit ground GND, MOS pipe Q1 'S G utmost point is connected with stabilivolt Z1' S one end.

The utility model discloses in furtherly, leakage current detection protection circuit B includes diode DS, resistance RS, electric capacity CS and chip U, wherein, diode DS's positive pole is connected with fuse resistance FR, diode DS's positive pole has still established ties respectively and has resistance RS, resistance RS and resistance RS, diode DS's negative pole is established ties and has resistance RS, resistance RS's the other end is connected with chip U's 8 feet, chip U's 6 feet and resistance RS are connected, be connected with electric capacity CS on resistance RS and chip U's 2 feet, chip U's 1 foot and resistance RS are connected, resistance RS's one end and chip U's 5 feet all are connected with return circuit ground wire GND, resistance RS's the other end and resistance RS are connected, chip U's 4 feet are connected with IC drive circuit B on the spot.

Further, the solid IC driving circuit B2 includes an inductor L1, a capacitor C1, a capacitor C2, a chip U1, a resistor RS2, a resistor RS3, a resistor RS4, a diode DS5, a capacitor CS2, a resistor RS5, and an inductor T1, wherein the inductor L1, the capacitor C1, and the capacitor C2 form pi-type filtering, one end of the 4-pin of the chip U1 and one end of the diode DS5 are connected to the inductor L1, the 5-pin of the chip U1 is connected to the other end of the diode DS5, the capacitor CS2 is connected in series to the resistor RS5 and then connected in parallel to the diode DS5, one end of the resistor RS5 is connected to the inductor T1, the 3-pin of the chip U1 is connected to the capacitor C2, the 1-pin of the chip U867 is connected to the resistor RS2, the other end of the resistor RS2 is connected to the capacitor C2, the pin of the chip U2 is connected to the resistor RS2, and one end of the resistor RS12 is.

The utility model discloses in furtherly, compatible high frequency and power frequency's fluorescent tube realize the method, including following step:

through the arrangement of the temperature fuse F1 and the temperature fuse F2, when an arc discharge phenomenon occurs under the application of an electronic ballast, the risk of burning a lamp tube or even fire caused by the arc discharge is avoided, and through the arrangement of the fuse resistor FR1 and the piezoresistor RV1, the abnormal risk caused by the over-current and over-voltage condition of a product can be avoided;

rectifying the input power frequency alternating current or the high-frequency alternating current output by the electronic ballast through the arrangement of a rectifying circuit;

thirdly, filtering the current output by the front stage by arranging the electrolysis CE1, outputting the filtered current to the LED lamp tube, driving the LED to emit light, and discharging the electric quantity on the electrolysis CE1 after the power of the product is cut off by the arranged resistor RS1 to ensure that the lamp tube is quickly extinguished;

fourthly, by arranging the detection capacitor CS4, the characteristic of high frequency and low frequency of the capacitor is utilized, and the circuit is switched into a matched loop under different use environments; rectifying the detection current by arranging a second bridge rectifier module; the capacitor CS3 is arranged to stabilize the detection voltage, so that the detection voltage is stable and not interfered; by arranging the resistor RS12, the electric quantity on the capacitor CS3 is discharged, leakage current in power frequency alternating current input is consumed, and the MOS transistor Q1 is protected from being broken down under the condition of poor contact of the power frequency alternating current input; a voltage regulator tube Z1 is arranged for limiting the detection voltage value and ensuring that the detection signal is normally input to the G pole of the MOS tube Q1; the electronic ballast driving circuit forms a loop by arranging the MOS tube Q1, the D pole of the MOS tube Q1 is connected with the LED driving circuit 3, the S pole of the MOS tube Q1 is connected with the loop ground wire GND, a power frequency alternating current loop is short-circuited, and the electronic ballast driving circuit is ensured to normally work;

by arranging the leakage current detection protection circuit B1, the safety of the lamp tube in the dismounting process is ensured because the lamp tube is charged at two ends;

and (VI) a solid IC drive circuit B2 is arranged to filter out unnecessary harmonic components in the rectified output current and oscillate and output a constant current through the solid IC and peripheral circuits thereof.

Further, in the present invention, the implementation method of the lamp tube compatible with high frequency and power frequency, the safety protection circuit includes a temperature fuse F1, a temperature fuse F2, a fuse resistor FR1 and a voltage dependent resistor RV1, wherein the input end of the temperature fuse F1 is connected to the input end L, the input end of the temperature fuse F2 is connected to the input end N, the output end of the temperature fuse F1 is connected to the input end of the fuse resistor FR1, the output end of the fuse resistor FR1 is connected to the rectifier circuit and the leakage current detection protection circuit B1 respectively, the output end of the temperature fuse F2 is connected to the rectifier circuit and the electronic ballast driving circuit a respectively, the rectifier circuit includes a diode DS1, a diode DS2, a diode DS3 and a diode DS4, wherein the diode DS1, the diode DS2, the diode DS3 and the diode DS4 are sequentially connected end to form a first bridge rectifier module, the input end of the first bridge rectifier module is connected to the, the anode of the output end of the first bridge rectifier module is connected with the input bus end of a field IC drive circuit B2, the cathode of the output end of the first bridge rectifier module is a loop ground GND, the LED drive circuit comprises an electrolysis CE1 and a resistor RS1, wherein the electrolysis CE1 is connected with the resistor RS1 in parallel, the anode of the electrolysis CE1 is respectively connected with an output end LED + and the field IC drive circuit B2, the cathode of the electrolysis CE1 is respectively connected with the output end LED-, the field IC drive circuit B2 and an electronic ballast drive circuit A, the electronic ballast drive circuit A comprises a detection capacitor CS4, a diode DS7, a diode DS8, a capacitor CS3, a resistor RS12, a voltage regulator Z1 and a MOS tube Q1, wherein the diode DS7 and the diode DS8 form a second bridge rectifier module, the detection capacitor CS4 is respectively connected with a temperature fuse F2 and a second bridge rectifier module, and the second bridge rectifier module is also respectively connected with the capacitor CS3, the resistor RS12 and the voltage regulator Z1 in parallel, the D pole of a MOS tube Q1 is respectively connected with the negative pole of an electrolysis CE1 and a solid IC drive circuit B2, the S pole of a MOS tube Q1 is connected with a loop ground line GND, the G pole of a MOS tube Q1 is connected with one end of a voltage stabilizing tube Z1, a leakage current detection protection circuit B1 comprises a diode DS6, a resistor RS6, a resistor RS7, a resistor RS8, a resistor RS9, a resistor RS10, a resistor RS11, a capacitor CS1 and a chip U2, wherein the positive pole of the diode DS6 is connected with a fuse resistor FR1, the positive pole of the diode DS6 is respectively connected with a resistor RS8, a resistor RS9 and a resistor RS10 in series, the negative pole of the diode DS6 is connected with a resistor RS6 and a resistor RS7 in series, the other end of the resistor RS7 is connected with an 8 pin of the chip U2, a pin 6 of the chip U2 is connected with a resistor RS2, a pin RS2 is connected with a pin CS2 of the chip U2, and one end of the resistor RS2 and a resistor RS2 is connected with the loop ground line GND 2 and a resistor RS, the other end of the resistor RS11 is connected with a resistor RS10, the 4-pin of the chip U2 is connected with a solid IC drive circuit B2, and the solid IC drive circuit B2 comprises an inductor L1, a capacitor C1, a capacitor C2, a chip U1, a resistor RS2, a resistor RS3, a resistor RS4, a diode DS5, a capacitor CS2, a resistor RS5 and an inductor T1, wherein the inductor L1, the capacitor C1 and the capacitor C2 form pi-type filtering, the 4-pin of the chip U1 and one end of the diode DS5 are connected with the inductor L1, the 5-pin of the chip U1 is connected with the other end of the diode DS1, the capacitor CS1 is connected with the resistor RS1 in series and then connected in parallel, one end of the resistor RS1 is connected with the inductor T1, the 3-pin of the chip U1 is connected with the capacitor C1, the 1-pin of the chip U1 is connected with the RS1, the other end of the resistor RS1 is connected with the resistor RS1, the resistor RS1 and one end of the resistor RS1 is connected with the resistor RS 36.

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

1. the utility model discloses a temperature fuse F1 and temperature fuse F2 that set up, when appearing drawing the arc phenomenon under the electronic ballast uses, avoid because of drawing the risk that the fluorescent tube that the arc arouses burns out or even the conflagration breaks out, through fuse resistance FR1 and piezo-resistor RV1 that set up, can avoid the product to overflow the unusual risk that the excessive pressure arouses under the circumstances;

2. the utility model rectifies the input power frequency alternating current or the high frequency alternating current output by the electronic ballast through the arrangement of the rectifying circuit;

3. the utility model discloses a set up electrolysis CE1, carry out the filtering with the electric current of preceding stage output, export to the LED fluorescent tube, carry out LED drive and give out light, through resistance RS1 that sets up, discharge to the electric quantity on the electrolysis CE1 after the product outage, guarantee that the fluorescent tube extinguishes fast;

4. the utility model is provided with the detection capacitor CS4, and utilizes the characteristic of high frequency and low frequency resistance of the capacitor to switch into a matched loop under different use environments; rectifying the detection current by arranging a second bridge rectifier module; the capacitor CS3 is arranged to stabilize the detection voltage, so that the detection voltage is stable and not interfered; by arranging the resistor RS12, the electric quantity on the capacitor CS3 is discharged, leakage current in power frequency alternating current input is consumed, and the MOS transistor Q1 is protected from being broken down under the condition of poor contact of the power frequency alternating current input; a voltage regulator tube Z1 is arranged for limiting the detection voltage value and ensuring that the detection signal is normally input to the G pole of the MOS tube Q1; the electronic ballast driving circuit forms a loop by arranging the MOS tube Q1, the D pole of the MOS tube Q1 is connected with the LED driving circuit 3, the S pole of the MOS tube Q1 is connected with the loop ground wire GND, a power frequency alternating current loop is short-circuited, and the electronic ballast driving circuit is ensured to normally work;

5. the utility model has the advantages that the leakage current detection protection circuit B1 is arranged, and the safety of the lamp tube in the dismounting process is ensured because the lamp tube is charged from two ends;

6. the utility model discloses a set up IC drive circuit B2 on the spot, with the unnecessary harmonic component filtering in the electric current of output behind the rectification to vibrate output constant current through IC on the spot and peripheral circuit.

Drawings

Fig. 1 is a schematic circuit diagram of the present invention;

fig. 2 is a schematic diagram of the leakage current detection protection circuit of the present invention;

FIG. 3 is a schematic diagram of the rectifying circuit of the present invention;

fig. 4 is a schematic diagram of the leakage current detection protection circuit of the present invention;

fig. 5 is a schematic diagram of an on-site IC driver circuit according to the present invention;

fig. 6 is a schematic diagram of the driving circuit of the electronic ballast according to the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: a lamp tube compatible with high frequency and power frequency comprises a safety protection circuit 1, a rectification circuit 2, an LED drive circuit 3, an electronic ballast drive circuit A, a leakage current detection protection circuit B1 and a field IC drive circuit B2, wherein the safety protection circuit 1 is respectively connected with an input end L and an input end N, the safety protection circuit 1 is also respectively connected with the rectification circuit 2, the leakage current detection protection circuit B1 and the electronic ballast drive circuit A, the rectification circuit 2 is connected with the field IC drive circuit B2, the leakage current detection protection circuit B1 is connected with the field IC drive circuit B2, the leakage current detection protection circuit B1 is connected with the LED drive circuit 3, the electronic ballast drive circuit A is connected with the LED drive circuit 3, and the LED drive circuit 3 is also respectively connected with an output end LED + and an output end LED-.

Further, the safety protection circuit 1 includes a temperature fuse F1, a temperature fuse F2, a fuse resistor FR1 and a voltage dependent resistor RV1, wherein an input end of the temperature fuse F1 is connected to the input end L, an input end of the temperature fuse F2 is connected to the input end N, an output end of the temperature fuse F1 is connected to an input end of the fuse resistor FR1, an output end of the fuse resistor FR1 is connected to the rectifier circuit 2 and the leakage current detection protection circuit B1, and an output end of the temperature fuse F2 is connected to the rectifier circuit 2 and the electronic ballast driving circuit a.

By adopting the technical scheme, through the arranged temperature fuse F1 and the temperature fuse F2, when an arc discharge phenomenon occurs under the application of the electronic ballast, the risk of burning the lamp tube or even fire caused by the arc discharge is avoided, and the abnormal risk caused by the over-current and over-voltage condition of the product can be avoided through the arranged fuse resistor FR1 and the piezoresistor RV 1.

Further, the rectifier circuit 2 comprises a diode DS1, a diode DS2, a diode DS3 and a diode DS4, wherein the diode DS1, the diode DS2, the diode DS3 and the diode DS4 are sequentially connected end to form a first bridge rectifier module, the input end of the first bridge rectifier module is connected with the safety protection circuit 1, the positive electrode of the output end of the first bridge rectifier module is connected with the input bus end of the field IC driving circuit B2, and the negative electrode of the output end of the first bridge rectifier module is a loop ground GND.

By adopting the technical scheme, the input power frequency alternating current or the high-frequency alternating current output by the electronic ballast is rectified by the arrangement of the rectifying circuit 2.

Further, the LED driving circuit 3 includes an electrolysis CE1 and a resistor RS1, wherein the electrolysis CE1 is connected in parallel with the resistor RS1, the anode of the electrolysis CE1 is connected to the output terminal LED + and the ground IC driving circuit B2, and the cathode of the electrolysis CE1 is connected to the output terminal LED-, the ground IC driving circuit B2 and the electronic ballast driving circuit a.

By adopting the technical scheme, the current output by the front stage is filtered by arranging the electrolysis CE1 and is output to the LED lamp tube to drive the LED to emit light, and the electric quantity on the electrolysis CE1 after the power of the product is cut off is discharged through the arranged resistor RS1, so that the lamp tube is ensured to be rapidly extinguished.

Further, the electronic ballast driving circuit a includes a detection capacitor CS4, a diode DS7, a diode DS8, a capacitor CS3, a resistor RS12, a voltage regulator tube Z1, and a MOS tube Q1, where the diode DS7 and the diode DS8 constitute a second bridge rectifier module, the detection capacitor CS4 is connected to the temperature fuse F2 and the second bridge rectifier module, the second bridge rectifier module is further connected in parallel to the capacitor CS3, the resistor RS12, and the voltage regulator tube Z1, a D electrode of the MOS tube Q1 is connected to a negative electrode of the electrolytic CE1 and the field IC driving circuit B2, an S electrode of the MOS tube Q1 is connected to a ground GND, and a G electrode of the MOS tube Q1 is connected to one end of the voltage regulator tube Z1.

By adopting the technical scheme, the detection capacitor CS4 is arranged, and the characteristic of high frequency and low frequency of the capacitor is utilized to switch into matched loops under different use environments; rectifying the detection current by arranging a second bridge rectifier module; the capacitor CS3 is arranged to stabilize the detection voltage, so that the detection voltage is stable and not interfered; by arranging the resistor RS12, the electric quantity on the capacitor CS3 is discharged, leakage current in power frequency alternating current input is consumed, and the MOS transistor Q1 is protected from being broken down under the condition of poor contact of the power frequency alternating current input; a voltage regulator tube Z1 is arranged for limiting the detection voltage value and ensuring that the detection signal is normally input to the G pole of the MOS tube Q1; through setting up MOS pipe Q1 for electronic ballast drive circuit constitutes the return circuit, and MOS pipe Q1 'S D utmost point connects LED drive circuit 3, and MOS pipe Q1' S the S utmost point connects return circuit ground wire GND, with the power frequency alternating current return circuit short circuit, guarantees that electronic ballast drive circuit normally works.

Further, the leakage current detection protection circuit B comprises a diode DS, a resistor RS, a capacitor CS and a chip U, wherein the anode of the diode DS is connected with a fuse resistor FR, the anode of the diode DS is further connected with the resistor RS, the resistor RS and the resistor RS in series, the cathode of the diode DS is connected with the resistor RS and the resistor RS in series, the other end of the resistor RS is connected with 8 pins of the chip U, 6 pins of the chip U are connected with the resistor RS, the resistor RS is connected with the capacitor CS on 2 pins of the chip U, 1 pin of the chip U is connected with the resistor RS, one end of the resistor RS and 5 pins of the chip U are connected with a loop ground GND, the other end of the resistor RS is connected with the resistor RS, and 4 pins of the chip U are connected with a field IC drive circuit B.

Through adopting above-mentioned technical scheme, through setting up leakage current detection protection circuit B1, because of the fluorescent tube is that the bi-polar advances the electricity, guaranteed the security of fluorescent tube in the dismouting in-process.

Further, the field IC driving circuit B includes an inductor L, a capacitor C, a chip U, a resistor RS, a diode DS, a capacitor CS, a resistor RS, and an inductor T, wherein the inductor L, the capacitor C, and the capacitor C form a pi filter, 4 pins of the chip U and one end of the diode DS are connected to the inductor L, 5 pins of the chip U are connected to the other end of the diode DS, the capacitor CS is connected in series with the resistor RS and then connected in parallel with the diode DS, one end of the resistor RS is connected to the inductor T, 3 pins of the chip U are connected to the capacitor C, 1 pin of the chip U is connected to the resistor RS, the other end of the resistor RS is connected to the capacitor C, 7 pins of the chip U are connected to the resistor RS, the resistor RS is connected in parallel with the resistor RS, and.

By adopting the technical scheme, the solid IC drive circuit B2 is arranged, unnecessary harmonic components in the rectified output current are filtered, and the constant current is oscillated and output by the solid IC and the peripheral circuit thereof.

Further, the utility model discloses a compatible high frequency and power frequency's fluorescent tube's implementation method, including following step:

rectifying the input power frequency alternating current or the high-frequency alternating current output by the electronic ballast through the arrangement of the rectifying circuit 2;

The leakage current detection protection circuit B1 in this embodiment applies the leakage current protection IC and its peripheral circuits of the patent of cooperative supplier jie walt (the principle is shown in fig. 2, see patent CN201720143424.2 for details).

To sum up, the utility model discloses a set up detection electric capacity CS4, utilize its characteristic of leading to high frequency resistance low frequency, detect different application environment, and through the tie point (connect output load negative pole and return circuit GND respectively) at ingenious setting back-stage switch MOS pipe Q1 both ends, and select IC on the spot as the constant current driver that the power frequency was used of exchanging, can accurately select the return circuit that matches with it, and guarantee under different application environment can both safely, operate high-efficiently, perfect compatible electronic ballast's application and the application of power frequency exchange have been realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lamp tube compatible with high frequency and power frequency is characterized in that: comprises a safety protection circuit (1), a rectification circuit (2), an LED drive circuit (3), an electronic ballast drive circuit (A), a leakage current detection protection circuit (B1) and a field IC drive circuit (B2), the safety protection circuit (1) is respectively connected with the input end L and the input end N, the safety protection circuit (1) is further respectively connected with the rectifying circuit (2), the leakage current detection protection circuit (B1) and the electronic ballast drive circuit (A), the rectifying circuit (2) is connected with the field IC drive circuit (B2), the leakage current detection protection circuit (B1) is connected with the field IC drive circuit (B2), the leakage current detection protection circuit (B1) is connected with the LED drive circuit (3), the electronic ballast drive circuit (A) is connected with the LED drive circuit (3), and the LED drive circuit (3) is further respectively connected with the output end LED + and the output end LED-.

2. A lamp tube compatible with high frequency and power frequency as claimed in claim 1, wherein: the safety protection circuit (1) comprises a temperature fuse F1, a temperature fuse F2, a fuse resistor FR1 and a piezoresistor RV1, wherein the input end of the temperature fuse F1 is connected with the input end L, the input end of the temperature fuse F2 is connected with the input end N, the output end of the temperature fuse F1 is connected with the input end of the fuse resistor FR1, the output end of the fuse resistor FR1 is respectively connected with the rectifying circuit (2) and the leakage current detection protection circuit (B1), and the output end of the temperature fuse F2 is respectively connected with the rectifying circuit (2) and the electronic ballast drive circuit (A).

3. A lamp tube compatible with high frequency and power frequency as claimed in claim 2, wherein: the rectifying circuit (2) comprises a diode DS1, a diode DS2, a diode DS3 and a diode DS4, wherein the diode DS1, the diode DS2, the diode DS3 and the diode DS4 are sequentially connected end to form a first bridge rectifying module, the input end of the first bridge rectifying module is connected with the safety protection circuit (1), the positive electrode of the output end of the first bridge rectifying module is connected with the input bus end of the field IC drive circuit (B2), and the negative electrode of the output end of the first bridge rectifying module is a loop ground wire GND.

4. A lamp tube compatible with high frequency and power frequency as claimed in claim 3, wherein: the LED driving circuit (3) comprises electrolysis CE1 and a resistor RS1, wherein the electrolysis CE1 is connected with the resistor RS1 in parallel, the anode of the electrolysis CE1 is respectively connected with an output end LED + and a solid IC driving circuit (B2), and the cathode of the electrolysis CE1 is respectively connected with an output end LED-, a solid IC driving circuit (B2) and an electronic ballast driving circuit (A).

5. A lamp tube compatible with high frequency and power frequency as claimed in claim 4, characterized in that: the electronic ballast driving circuit (A) comprises a detection capacitor CS4, a diode DS7, a diode DS8, a capacitor CS3, a resistor RS12, a voltage regulator tube Z1 and a MOS tube Q1, wherein the diode DS7 and the diode DS8 form a second bridge rectifier module, the detection capacitor CS4 is respectively connected with a temperature fuse F2 and the second bridge rectifier module, the second bridge rectifier module is also respectively connected with the capacitor CS3, the resistor RS12 and the voltage regulator tube Z1 in parallel, a D pole of the MOS tube Q1 is respectively connected with a negative pole of an electrolytic CE1 and a field IC driving circuit (B2), an S pole of the MOS tube Q1 is connected with a circuit GND, and a G pole of the MOS tube Q1 is connected with one end of a voltage regulator tube Z1.

6. A lamp tube compatible with high frequency and power frequency as claimed in claim 5, wherein: the leakage current detection protection circuit (B1) comprises a diode DS6, a resistor RS6, a resistor RS7, a resistor RS8, a resistor RS9, a resistor RS10, a resistor RS11, a capacitor CS1 and a chip U2, wherein the anode of the diode DS6 is connected with a fuse resistor FR1, the anode of the diode DS6 is further respectively connected in series with a resistor RS8, a resistor RS9 and a resistor RS10, the cathode of the diode DS6 is connected in series with a resistor RS6 and a resistor RS7, the other end of the resistor RS7 is connected with an 8 pin of a chip U2, a 6 pin of the chip U2 is connected with a resistor RS9, a resistor RS10 is connected with a capacitor CS1 on a 2 pin of the chip U2, a 1 pin of the chip U2 is connected with a resistor RS11, one end of the resistor RS11 and a 5 pin of the chip U2 are both connected with a ground wire, the other end of the resistor RS11 is connected with a ground wire of the chip U10, and a ground of the chip U10 is connected with an.

7. A lamp tube compatible with high frequency and power frequency as claimed in claim 6, characterized in that: the solid IC drive circuit (B2) comprises an inductor L1, a capacitor C1, a capacitor C2, a chip U1, a resistor RS2, a resistor RS3, a resistor RS4, a diode DS5, a capacitor CS2, a resistor RS5 and an inductor T1, wherein the inductor L1, the capacitor C1 and the capacitor C2 form pi-type filtering, a pin 4 of the chip U1 and one end of the diode DS5 are connected with the inductor L1, a pin 5 of the chip U1 is connected with the other end of the diode DS5, the capacitor CS2 and the resistor RS5 are connected in series and then connected with the diode DS5 in parallel, one end of the resistor RS5 is connected with the inductor T1, a pin 3 of the chip U1 is connected with the capacitor C2, a pin 1 of the chip U1 is connected with the resistor RS2, the other end of the resistor RS2 is connected with the capacitor C2, a pin 7 of the chip U2 is connected with the resistor RS2 in parallel, and one end of the resistor RS 2.