An LED bulb and method of assembling the same

Abstract

The application relates to the lighting technical field and discloses an LED bulb lamp, which comprises a screw lamp holder, the bottom end of the screw lamp holder is provided with an insulating connecting piece, the bottom of the insulating connecting piece is fixedly connected with a bulb lamp body, the bottom end of the bulb lamp body is clamped with a light-transmitting lamp shade, the bottom of the insulating connecting piece is fixedly connected with a mounting sleeve pipe located in the bulb lamp body, the bottom of the insulating connecting piece is fixedly mounted with a driver located in the mounting sleeve pipe, the inside of the light-transmitting lamp shade is fixedly mounted with a connecting ring, and the middle of the connecting ring is fixedly sleeved with a mounting ball cage. The LED bulb lamp and the assembling method thereof are characterized in that the LED lamp beads are arranged on the surface of the mounting ball cage, and the conductive circuit matched with the LED lamp beads is arranged on the mounting ball cage, so that the LED lamp beads are distributed in a whole spherical shape; the angle of light irradiation is expanded while the LED lamp beads can emit light; the dark area existing during illumination is avoided; and the illumination effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the lighting technical field, specifically a kind of LED bulb and its assembly method. BACKGROUND

[0002] LED energy-saving bulb present situation LED lighting mainly is with high-power white light LED single lamp.LED lighting fixture is the general term of LED lamp, with the further maturity of LED technology, LED will make more better development in the field of design and development of room lighting fixture.21st century's room lighting fixture design will be mainly with LED lighting bulb design, while fully embodying the development trend of energy saving, health, art and humanization, become the leading of room lighting culture.LED energy-saving bulb is various, such as common LED bulb, LED bulb is widely used in indoor lighting, office lighting, public lighting, decorative lighting.

[0003] Now the LED bulb in the industry is usually composed of lamp body, lamp holder, light-emitting chip installed on the lamp body and lampshade clamped on the lamp body, wherein the common light-emitting chip is usually a round plate or a rectangular plate, the structure, so that the light-emitting angle of LED lamp bead on the light-emitting chip is limited, causing directional light emission of light source, there is a dark area, the lighting effect is not ideal, it can not meet the panoramic lighting effect, in addition, the heat dissipation structure in the traditional LED bulb, usually set up heat dissipation fin outside the lamp body, the heat of light-emitting chip and driver in LED bulb is conducted to the outside through the heat radiation of heat dissipation fin, but the heat dissipation fin and driver and light-emitting chip are usually in non-contact state, mainly rely on air to conduct heat to heat dissipation fin, the heat conduction effect is limited, causing slow heat dissipation, for high-power LED bulb, after long time work, it is easy to cause a lot of heat accumulation in the LED bulb, there is a great security risk, therefore we propose a kind of LED bulb and its assembly method to solve the above problems. SUMMARY

[0004] The present application provides a kind of LED bulb and its assembly method, with the advantages of wide illumination angle, fast heat conduction, high heat dissipation efficiency, solve the above problems.

[0005] The application provides the following technical scheme: a LED bulb lamp, comprising a screw lamp holder, the bottom end of the screw lamp holder is provided with an insulating connecting piece, the bottom of the insulating connecting piece is fixedly connected with a bulb lamp body, the bottom end of the bulb lamp body is clamped with a light-transmitting lamp shade, the bottom of the insulating connecting piece is fixedly connected with a mounting sleeve located in the interior of the bulb lamp body, and the bottom of the insulating connecting piece is fixedly mounted with a driver located in the interior of the mounting sleeve, the interior of the light-transmitting lamp shade is fixedly mounted with a connecting ring, the middle of the connecting ring is fixedly sleeved with a mounting ball cage, the surface of the mounting ball cage is embedded with uniformly distributed LED lamp beads, the surface of the mounting ball cage is provided with an electrically conductive circuit matched with the LED lamp beads, the interior of the second heat-conducting filler is embedded with a heat-conducting pipe, the heat-conducting pipe extends to the interior of the mounting sleeve, the circumferential side of the mounting sleeve is embedded with dense heat dissipation fins, the heat dissipation fins extend to the exterior of the bulb lamp body, the exterior of the insulating connecting piece is movably sleeved with a heat dissipation fan, and the inner wall of the insulating connecting piece is embedded with a micro driving motor capable of providing power for the heat dissipation fan.

[0006] Preferably, the mounting sleeve and the circumferential side of the bulb lamp body are both provided with embedding grooves matched with the heat dissipation fins, and the bottom end of the mounting sleeve is provided with a mounting hole matched with the heat-conducting pipe.

[0007] Preferably, the electrically conductive circuit connects the LED lamp beads on the surface of the mounting ball cage in a parallel mode, the end of the electrically conductive circuit is provided with a wiring terminal, the electrically conductive circuit is electrically connected with the driver through the wiring terminal, and the LED lamp beads can be controlled to start and stop by the driver.

[0008] Preferably, the bottom of the bulb lamp body and the top of the light-transmitting lamp shade are provided with buckles matched with each other, and the light-transmitting lamp shade is connected to the bottom of the bulb lamp body through the buckles.

[0009] Preferably, the interior of the insulating connecting piece is provided with a partition plate, an installation cavity is formed above the partition plate in the interior of the insulating connecting piece, and the micro driving motor is located in the interior of the installation cavity.

[0010] Preferably, the output shaft of the micro driving motor is fixedly sleeved with a driving gear, the upper portion of the interior of the heat dissipation fan is provided with a transmission gear ring, and the outer edge of the driving gear is engaged with the transmission gear ring.

[0011] Preferably, the sidewall of the insulating connecting piece is provided with a rectangular groove matched with the driving gear, the micro driving motor is electrically connected with the driver, the exterior of the insulating connecting piece is fixedly sleeved with a connecting bearing, and the micro driving motor is movably sleeved on the exterior of the insulating connecting piece through the connecting bearing.

[0012] An assembling method of a LED bulb lamp, comprising the following assembling steps:

[0013] S1, a plurality of LED lamp beads are evenly distributed and welded on the surface of the installation ball cage, then a plurality of LED lamp beads are connected in parallel through the conductive circuit, the connecting ring is sleeved on the outside of the installation ball cage, the connecting ring and the installation ball cage are clamped into the light-transmitting lampshade, and the connecting ring is fixedly installed in the light-transmitting lampshade by using glue;

[0014] S2, the driving gear is fixedly sleeved on the output shaft of the micro drive motor, the micro drive motor is embedded in the inner wall of the installation cavity of the insulating connecting piece, and the driving gear is clamped in the rectangular groove; the heat dissipation fan is movably sleeved on the outside of the insulating connecting piece through the connecting bearing, and the transmission gear ring in the heat dissipation fan is engaged with the micro drive motor; and the insulating connecting piece is fixedly installed at the bottom of the screw lamp holder in the mode of ultrasonic welding;

[0015] S3, the driver is glued to the bottom of the insulating connecting piece, and the lines of the driver are arranged, so that the driver is electrically connected with the screw lamp holder, the micro drive motor and the conductive circuit; after the first heat-conducting filler is filled in the installation sleeve, the installation sleeve is glued to the bottom of the insulating connecting piece;

[0016] S4, the light-transmitting lampshade is clamped to the bottom of the bulb lamp body by the buckle, and the conductive heat pipe in the middle of the installation ball cage is inserted into the installation sleeve through the installation hole; and the connection of the bulb lamp body and the light-transmitting lampshade is completed.

[0017] S5, the heat dissipation fins are clamped into the inlaid grooves on the installation sleeve and the bulb lamp body, so that the inlaid grooves extend to the inside of the installation sleeve and are in close contact with the first heat-conducting filler; the bulb lamp body and the heat dissipation fins are connected by using glue, and the connection is sealed; and the assembly of the whole LED bulb lamp is completed. Advantages

[0018] The present application has the following advantages:

[0019] 1. The LED bulb lamp and the assembling method thereof, by arranging the LED lamp beads on the surface of the installation ball cage and arranging the conductive circuit matched with the LED lamp beads on the installation ball cage, the LED lamp beads are distributed in a whole spherical shape, so that the light-emitting of the LED lamp beads is ensured, the angle of light irradiation is expanded, the dark area in the illumination is avoided, and the illumination effect is improved.

[0020] 2. The LED bulb lamp and the assembling method thereof, by the conduction of the second heat-conducting filler and the conductive heat pipe, the heat generated by the installation ball cage and the LED lamp beads during work can be quickly conducted to the installation sleeve, and the heat in the installation sleeve can be quickly transmitted to the heat dissipation fins through the first heat-conducting filler in the installation sleeve, so that the heat conduction speed is improved, the heat can be quickly conducted out of the lamp body, the heat conduction rate is improved, and the heat accumulation in the lamp body is avoided.

[0021] 3、The LED bulb lamp and its assembly method, the driver synchronously controls the micro drive motor to start while driving the LED lamp bead to emit light, after the heat is conducted to the heat dissipation fin, the heat dissipation fin is cooled by the airflow generated by the rotating micro drive motor, the heat on the heat dissipation fin can be quickly dissipated to the outside, the heat dissipation effect is improved, and the lamp body is made into a sealed structure by the first heat-conducting filler, the second heat-conducting filler and the like, so that the influence of dust and water vapor on the internal electronic components is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure diagram of the whole combination of the present application;

[0023] Figure 2 It is the structure diagram of the section of the bulb lamp body and the light-transmitting lampshade;

[0024] Figure 3 It is the structure diagram of the section of the installation sleeve;

[0025] Figure 4 It is the structure diagram of the section of the installation ball cage;

[0026] Figure 5 It is the structure diagram of the heat dissipation fan;

[0027] Figure 6 It is the structure diagram of the installation sleeve of the present application.

[0028] In the figure: 1, screw cap; 2, insulating connecting piece; 3, bulb lamp body; 4, light-transmitting lampshade; 5, driver; 6, installation sleeve; 7, heat dissipation fin; 8, connecting ring; 9, installation ball cage; 10, LED lamp bead; 11, conductive circuit; 12, heat conduction pipe; 13, first heat-conducting filler; 14, second heat-conducting filler; 15, heat dissipation fan; 16, transmission gear ring; 17, micro drive motor; 18, driving gear; 19, inlay groove. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Please refer to Figure 1 , 23, a LED bulb, including screw base 1, the bottom end of screw base 1 is provided with insulating connector 2, and the bottom of insulating connector 2 is fixedly connected with bulb body 3, the bottom end of bulb body 3 is clamped with light-transmitting lampshade 4, the bottom of insulating connector 2 is fixedly connected with mounting sleeve 6 located inside bulb body 3, and the bottom of insulating connector 2 is fixedly installed with driver 5 located inside mounting sleeve 6, the inside of light-transmitting lampshade 4 is fixedly installed with connecting ring 8, and the middle of connecting ring 8 is fixedly sleeved with mounting ball cage 9, the surface of mounting ball cage 9 is embedded with uniformly distributed LED lamp beads 10, and the surface of mounting ball cage 9 is provided with conductive circuit 11 matched with LED lamp beads 10, the inside of mounting ball cage 9 is filled with second heat-conducting filler 14, and the inside of second heat-conducting filler 14 is embedded with conductive heat pipe 12, heat is conducted through first heat-conducting filler 13, second heat-conducting filler 14 and other structures, heat dissipation is ensured, at the same time, the lamp body as a whole can be made into a sealed structure, dust and water vapor are avoided from affecting internal electronic components, conductive heat pipe 12 extends to the inside of mounting sleeve 6, the circumferential side of mounting sleeve 6 is embedded with dense heat dissipation fins 7, and heat dissipation fins 7 extend to the outside of bulb body 3, heat generated by mounting ball cage 9 and LED lamp beads 10 during work can be quickly conducted to mounting sleeve 6 through second heat-conducting filler 14 and conductive heat pipe 12, and the heat in mounting sleeve 6 can be quickly transmitted to heat dissipation fins 7 through first heat-conducting filler 13 in mounting sleeve 6, the heat conduction speed is improved, heat dissipation fan 15 is movably sleeved on the outside of insulating connector 2, micro drive motor 17 for providing power for heat dissipation fan 15 is embedded in the inner wall of insulating connector 2, driver 5 controls micro drive motor 17 to start synchronously while driving LED lamp beads 10 to emit light, when heat is conducted to heat dissipation fins 7, heat dissipation fins 7 are cooled by the air current generated by rotating micro drive motor 17, and the heat on heat dissipation fins 7 can be quickly dissipated to the outside.

[0031] Please refer to Figure 2 、 3, 4, 6, the mounting sleeve 6 and the bulb body 3 are provided with inlaid grooves 19 matched with the heat dissipation fins 7, the heat dissipation fins 7 are clamped into the inlaid grooves 19, the stability of the heat dissipation fins 7 after installation is ensured, the bottom end of the mounting sleeve 6 is provided with a mounting hole matched with the conduction heat pipe 12, the conduction heat pipe 12 can be guided into the inside of the mounting sleeve 6 along the mounting hole, heat conduction is conducted through the conduction heat pipe 12, the heat generated by the installation ball cage 9 and the LED lamp beads 10 during work can be quickly conducted to the inside of the mounting sleeve 6, the LED lamp beads 10 on the surface of the installation ball cage 9 are connected in parallel through the conductive circuit 11, the end of the conductive circuit 11 is provided with a wiring terminal, the LED lamp beads 10 are distributed in a spherical shape as a whole, the light emitting of the LED lamp beads 10 is ensured, the angle of light irradiation is expanded, the dark area during illumination is avoided, the illumination effect is improved, the conductive circuit 11 is electrically connected with the driver 5 through the wiring terminal, the LED lamp beads 10 can be controlled to start and stop by the driver 5, the conductive circuit 11 is used for conducting electricity, the driver 5 can control the LED lamp beads 10 to emit light, the bottom of the bulb body 3 and the top of the light-transmitting lamp shade 4 are provided with buckles matched with each other, the light-transmitting lamp shade 4 is connected to the bottom of the bulb body 3 through the buckles, the stability of the connection between the bulb body 3 and the light-transmitting lamp shade 4 is ensured, and the light-transmitting lamp shade 4 is convenient to disassemble subsequently.

[0032] Please refer to Figure 5 , the inside of the insulating connecting piece 2 is provided with a partition plate, an installation cavity is formed in the inside of the insulating connecting piece 2 above the partition plate, the micro drive motor 17 is located in the inside of the installation cavity, the micro drive motor 17 is isolated through the partition plate in the insulating connecting piece 2, the lower part of the insulating connecting piece 2 and the bulb body 3 and the light-transmitting lamp shade 4 form a sealed structure, and the influence of dust and water vapor on electronic components is avoided.

[0033] Please refer to Figure 5 , the output shaft of the micro drive motor 17 is fixedly sleeved with a driving gear 18, the driving gear 18 is used for transmission with the transmission gear ring 16, the micro drive motor 17 can drive the heat dissipation fan 15 to rotate, the upper part of the inside of the heat dissipation fan 15 is provided with the transmission gear ring 16, the outer edge of the driving gear 18 is engaged with the transmission gear ring 16, when the driver 5 controls the LED lamp beads 10 to work, the driver 5 synchronously controls the micro drive motor 17 to work, the micro drive motor 17 can drive the heat dissipation fan 15 to rotate and assist the heat dissipation fins 7 to dissipate heat, the heat dissipation effect is improved, the sidewall of the insulating connecting piece 2 is provided with a rectangular groove matched with the driving gear 18, the micro drive motor 17 is electrically connected with the driver 5, the outside of the insulating connecting piece 2 is fixedly sleeved with a connecting bearing, the micro drive motor 17 is movably sleeved on the outside of the insulating connecting piece 2 through the connecting bearing, the heat dissipation fan 15 is installed on the outside of the insulating connecting piece 2 through the connecting bearing, the friction between the heat dissipation fan 15 and the insulating connecting piece 2 is reduced, and the stability of the heat dissipation fan 15 during rotation is improved.

[0034] An assembling method of an LED bulb lamp, comprising the following assembling steps:

[0035] S1, welding a plurality of LED lamp beads 10 in a uniform distribution on the surface of the installation ball cage 9, then connecting the plurality of LED lamp beads 10 together in parallel through the conductive circuit 11, sleeving the connecting ring 8 on the outside of the installation ball cage 9, and using glue to assist in connecting, and fixing the connecting ring 8 and the installation ball cage 9 into the inside of the light-transmitting lampshade 4, and using glue to fix the connecting ring 8 on the inside of the light-transmitting lampshade 4;

[0036] S2, fixing the driving gear 18 on the output shaft of the micro drive motor 17, embedding the micro drive motor 17 in the installation cavity of the insulating connecting piece 2, and making the driving gear 18 fit in the rectangular groove, and sleeving the heat dissipation fan 15 on the outside of the insulating connecting piece 2 through the connecting bearing, and making the transmission gear ring 16 in the heat dissipation fan 15 engage with the micro drive motor 17, and using ultrasonic welding to fix the insulating connecting piece 2 on the bottom of the screw lamp holder 1;

[0037] S3, gluing the driver 5 on the bottom of the insulating connecting piece 2, and arranging the circuit of the driver 5, and making the driver 5 electrically connected with the screw lamp holder 1, the micro drive motor 17 and the conductive circuit 11, and filling the first heat-conducting filler 13 in the installation sleeve 6, and then gluing the installation sleeve 6 on the bottom of the insulating connecting piece 2;

[0038] S4, clamping the light-transmitting lampshade 4 on the bottom of the bulb lamp body 3 through buckling, and making the conductive heat pipe 12 in the middle of the installation ball cage 9 pass through the installation hole and insert into the inside of the installation sleeve 6, and completing the connection of the bulb lamp body 3 and the light-transmitting lampshade 4;

[0039] S5, clamping the heat dissipation fin 7 into the embedding groove 19 on the installation sleeve 6 and the bulb lamp body 3, making the embedding groove 19 extend to the inside of the installation sleeve 6 and closely contact with the first heat-conducting filler 13, and using glue to assist in connecting the bulb lamp body 3 and the heat dissipation fin 7, and sealing the connection, and completing the assembly of the whole LED bulb lamp.

[0040] It should be noted that, in the present text, the relational terms such as first and second and the like are used only to differentiate one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0041] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. An LED bulb lamp, comprising a screw lamp holder (1), the bottom end of the screw lamp holder (1) is provided with an insulating connecting piece (2), and the bottom of the insulating connecting piece (2) is fixedly connected with a bulb lamp body (3), the bottom end of the bulb lamp body (3) is clamped with a light-transmitting lamp shade (4), characterized in that: The bottom of the insulating connecting piece (2) is fixedly connected with a mounting sleeve (6) located inside the bulb lamp body (3), and the bottom of the insulating connecting piece (2) is fixedly mounted with a driver (5) located inside the mounting sleeve (6), the inside of the light-transmitting lampshade (4) is fixedly mounted with a connecting ring (8), and the middle of the connecting ring (8) is fixedly sleeved with a mounting ball cage (9), the surface of the mounting ball cage (9) is embedded with uniformly distributed LED lamp beads (10), and the surface of the mounting ball cage (9) is provided with an electrically conductive circuit (11) matched with the LED lamp beads (10), the inside of the mounting ball cage (9) is filled with a second heat-conducting filler (14), and the inside of the second heat-conducting filler (14) is embedded with a conductive heat pipe (12), the conductive heat pipe (12) extends to the inside of the mounting sleeve (6), the peripheral side of the mounting sleeve (6) is embedded with dense heat dissipation fins (7), and the heat dissipation fins (7) extend to the outside of the bulb lamp body (3), the outside of the insulating connecting piece (2) is movably sleeved with a heat dissipation fan (15), and the inner wall of the insulating connecting piece (2) is embedded with a micro driving motor (17) capable of providing power for the heat dissipation fan (15).

2. The LED bulb lamp of claim 1, wherein: The peripheral side of the mounting sleeve (6) and the bulb lamp body (3) are both provided with an embedded groove (19) matched with the heat dissipation fins (7), and the bottom end of the mounting sleeve (6) is provided with a mounting hole matched with the conductive heat pipe (12).

3. The LED bulb lamp of claim 2, wherein: The electrically conductive circuit (11) connects the LED lamp beads (10) on the surface of the mounting ball cage (9) in a parallel manner, the end of the electrically conductive circuit (11) is provided with a wiring end, the electrically conductive circuit (11) is electrically connected with the driver (5) through the wiring end, and the LED lamp beads (10) can be controlled to start and stop by the driver (5).

4. The LED bulb lamp of claim 3, wherein: The bottom of the bulb lamp body (3) and the top of the light-transmitting lampshade (4) are provided with buckles matched with each other, and the light-transmitting lampshade (4) is connected to the bottom of the bulb lamp body (3) through the buckles.

5. The LED bulb lamp of claim 4, wherein: The inside of the insulating connecting piece (2) is provided with a partition, an installation cavity is formed above the partition in the insulating connecting piece (2), and the micro driving motor (17) is located inside the installation cavity.

6. An LED bulb lamp according to claim 5, wherein: The output shaft of the micro driving motor (17) is fixedly sleeved with a driving gear (18), the upper part of the inside of the heat dissipation fan (15) is provided with a transmission gear ring (16), and the outer edge of the driving gear (18) is engaged with the transmission gear ring (16).

7. An LED bulb as set forth in claim 6, further comprising: The sidewall of the insulating connecting piece (2) is provided with a rectangular groove matched with the driving gear (18), the micro driving motor (17) is electrically connected with the driver (5), the outside of the insulating connecting piece (2) is fixedly sleeved with a connecting bearing, and the micro driving motor (17) is movably sleeved on the outside of the insulating connecting piece (2) through the connecting bearing.

8. The method of claim 7, wherein the LED bulb is a LED A19 bulb. The following assembly steps are included: S1, a plurality of LED lamp beads (10) are evenly distributed and welded on the surface of the installation ball cage (9), and then a plurality of LED lamp beads (10) are connected in parallel through the conductive circuit (11), the connecting ring (8) is sleeved on the outside of the installation ball cage (9), and the connecting ring (8) and the installation ball cage (9) are integrally clamped into the light-transmitting lampshade (4), and the connecting ring (8) is fixedly installed in the light-transmitting lampshade (4) by using glue; S2, the driving gear (18) is fixedly sleeved on the output shaft of the micro drive motor (17), the micro drive motor (17) is embedded in the inner wall of the installation cavity of the insulating connecting piece (2), and the driving gear (18) is clamped in the rectangular groove, the heat dissipation fan (15) is movably sleeved on the outside of the insulating connecting piece (2) through the connecting bearing, and the transmission gear ring (16) in the heat dissipation fan (15) is engaged with the micro drive motor (17), and the insulating connecting piece (2) is fixedly installed at the bottom of the screw lamp holder (1) by using ultrasonic welding; S3, the driver (5) is glued to the bottom of the insulating connecting piece (2), and the lines of the driver (5) are arranged, so that the driver (5) is electrically connected with the screw lamp holder (1), the micro drive motor (17) and the conductive circuit (11), and the first heat-conducting filler (13) is filled in the installation sleeve (6), then the installation sleeve (6) is glued to the bottom of the insulating connecting piece (2); S4, the light-transmitting lampshade (4) is clamped at the bottom of the bulb lamp body (3) by the buckle, and the conductive heat pipe (12) in the middle of the installation ball cage (9) is inserted into the installation sleeve (6) through the installation hole, so that the bulb lamp body (3) and the light-transmitting lampshade (4) are connected; S5, the heat dissipation fin (7) is clamped into the embedding groove (19) on the installation sleeve (6) and the bulb lamp body (3), so that the embedding groove (19) extends into the installation sleeve (6) and is in close contact with the first heat-conducting filler (13), the bulb lamp body (3) and the heat dissipation fin (7) are connected by using glue, and the connection is sealed, and the assembly of the LED bulb lamp is completed.

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