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CN207230205U - Pin light bulb - Google Patents

Pin light bulb Download PDF

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Publication number
CN207230205U
CN207230205U CN201720998943.7U CN201720998943U CN207230205U CN 207230205 U CN207230205 U CN 207230205U CN 201720998943 U CN201720998943 U CN 201720998943U CN 207230205 U CN207230205 U CN 207230205U
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CN
China
Prior art keywords
power supply
voltage
module
circuit
lamp base
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Active
Application number
CN201720998943.7U
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Chinese (zh)
Inventor
万叶华
沈锦祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shenghui Lighting Co Ltd
Original Assignee
Zhejiang Shenghui Lighting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201720998943.7U priority Critical patent/CN207230205U/en
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Publication of CN207230205U publication Critical patent/CN207230205U/en
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Abstract

The utility model provides a kind of pin light bulb, including:Cloche, bulb holder base, illuminating module, lamp base and power supply unit, wherein:The first cavity of closing is equipped with the cloche, the illuminating module is arranged in first cavity;The bulb holder base is connected to one end of the cloche, is equipped with the second cavity in the bulb holder base, the power supply unit is arranged on second cavity, and is fixedly connected with the bulb holder base;The first end of the lamp base connects the power supply unit, and second end passes through the bulb holder base external connection external power supply;The power supply unit is used to power for the illuminating module using the external power supply of lamp base access.The utility model realizes the separation of illuminating module and power supply unit, effectively increases heat dissipation effect;Meanwhile the fixation and connection of power supply unit and lamp base are also achieved, ensure the stabilization of bulb structure and the stabilization of electrical connection properties.

Description

Pin light bulb
Technical field
It the utility model is related to lighting area, more particularly to a kind of pin light bulb.
Background technology
Pin light bulb, also is understood as stitch type light bulb, and the combination of the light bulb and lamp cap is plug-in type, is generally included Cloche, the illuminating module in cloche lumen body and the lamp base that power supply can be accessed for illuminating module, lamp base is used for real Now external grafting.
In existing correlation technique, power supply circuit is further included in light bulb, after handling the power supply that lamp base accesses Driving illuminating module shines, and power supply module is arranged on same substrate with illuminating module, and is packaged in jointly in cloche, which Under, since device can generate heat in device in power supply module and illuminating module, cause the heat dissipation effect of light bulb entirety bad.
Utility model content
The utility model provides a kind of pin light bulb, to solve the problems, such as that heat dissipation effect is bad.
First aspect according to the present utility model, there is provided a kind of pin light bulb, including:Cloche, bulb holder base, shine mould Group, lamp base and power supply unit, wherein:
The first cavity of closing is equipped with the cloche, the illuminating module is arranged in first cavity;
The bulb holder base is connected to one end of the cloche, and the second cavity is equipped with the bulb holder base, described to supply Denso Second cavity is arranged in, and is fixedly connected with the bulb holder base;
The first end of the lamp base connects the power supply unit, and second end passes through the bulb holder base external connection external electrical Source;
The power supply unit is used to power for the illuminating module using the external power supply of lamp base access.
Optionally, the power supply unit includes circuit board and the power supply circuit arranged on the circuit board;
The circuit board is arranged in the bulb holder base, and the first end of the lamp base is fixed in the circuit board, and with it is described Power supply circuit is electrically connected;
The illuminating module is fixed in the circuit board by connecting pin, and is electrically connected with the power supply circuit.
Optionally, the center section of the connection pin and one end of the cloche seal.
Optionally, the power supply circuit includes rectification module and voltage stabilizing drive module;
The rectification module is used to that the voltage stabilizing drive module will to be supplied to after the external power supply rectification;
The voltage stabilizing drive module is used to utilize illuminating module described in supplied electric drive to shine.
Optionally, the voltage stabilizing drive module is linear voltage stabilization module.
Optionally, the voltage stabilizing drive module includes Voltage to current transducer sub-circuit and first resistor, the voltage and current The output terminal of conversion sub-circuit connects the first end of the first resistor, the input terminal connection of the Voltage to current transducer sub-circuit The rectification module, the second end of the sampling end connection first resistor of the Voltage to current transducer sub-circuit, described first The second end of resistance connects the illuminating module.
Optionally, the voltage stabilizing drive module is switch voltage-stabilizing module.
Optionally, the voltage stabilizing drive module includes Voltage to current transducer sub-circuit, first resistor, the first diode, the One inductance and the 3rd capacitance;The output terminal of the Voltage to current transducer sub-circuit connects the first end of the first resistor, institute The input terminal for stating Voltage to current transducer sub-circuit connects the rectification module, the output terminal of first diode and described the The first end of one resistance is connected to the output terminal of the Voltage to current transducer sub-circuit, the first end of first inductance and institute The second end for stating first resistor is connected to the sampling end of the Voltage to current transducer sub-circuit, and the 3rd capacitance is parallel to the hair The both ends of optical mode group, the first end of the 3rd capacitance are also connected with the second end of the first inductance, the second end of the 3rd capacitance, The input terminal of the output terminal of the illuminating module and first diode is grounded.
Optionally, the bulb holder base includes matrix and ennation;
The first end of described matrix connects the cloche, and the second end of described matrix connects the ennation, and described the Two cavitys are arranged in described matrix;
The lamp base passage with the form fit of the lamp base is equipped with the ennation, the lamp base is arranged in the lamp base Passage.
Optionally, for described matrix in cylinder, the ennation is in pancake, and the cloche is in be matched with described matrix Cylinder.
Optionally, the illuminating module includes substrate and the LED chip on the substrate;
The LED chip is electrically connected the power supply unit by connecting pin;
The substrate and the connection pin are affixed.
Optionally, the illuminating module further includes fluorescent powder, and the fluorescent powder is coated on the LED chip surface.
Optionally, the quantity of the lamp base is two, and the spacing between two lamp bases is 9 millimeters.
Pin light bulb provided by the utility model, the first cavity in the cloche is arranged on by the illuminating module Interior, the bulb holder base is connected to one end of the cloche, and the power supply unit is arranged on the second chamber in the bulb holder base Body, realizes the separation of illuminating module and power supply unit, effectively increases heat dissipation effect;Meanwhile by the power supply unit with The bulb holder base is fixedly connected, and the first end of the lamp base connects the power supply unit, and second end is external through the bulb holder base External power supply is connected, the fixation and connection of power supply unit and lamp base is realized, has ensured the stabilization and electrical connectivity of bulb structure The stabilization of energy.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of one pin light bulb of the utility model;
Fig. 2 is the circuit diagram one of one power supply circuit of the utility model;
Fig. 3 is the circuit diagram two of one power supply circuit of the utility model.
Description of reference numerals:
1- bulb holder bases;
11- matrixes;
12- ennations;
2- lamp bases;
3- power supply units;
31- power supply circuits;
32- circuit boards;
4- connection pins;
5- illuminating modules;
6- cloches;
U0- external power supplies;
U1- commutation sub-circuits;
U2- Voltage to current transducer sub-circuits;
The first capacitances of C1-;
The second capacitances of C2-;
R1- first resistors;
The first inductance of T1-;
The first diodes of D1-;
The 3rd capacitances of C3-.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.
Term " first " in the specification and claims of the utility model and above-mentioned attached drawing, " second ", " the 3rd " (if present)s such as " the 4 " is for distinguishing similar object, without for describing specific order or precedence.Should The data that the understanding so uses can exchange in the appropriate case, so as to the utility model described herein embodiment for example It can be implemented with the order in addition to those for illustrating or describing herein.In addition, term " comprising " and " having " and he Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method, System, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include what is do not listed clearly Or for the intrinsic other steps of these processes, method, product or equipment or unit.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below Embodiment can be combined with each other, and may be repeated no more for the same or similar concept or process in some embodiments.
Fig. 1 is the structure diagram of one pin light bulb of the utility model;Please refer to Fig.1, the light bulb, including:Glass Cover 6, bulb holder base 1, illuminating module 5, lamp base 2 and power supply unit 3.
The first cavity of closing is equipped with the cloche 6, the illuminating module 5 is arranged in first cavity;First Cavity, it can be understood as the cavity of a closing, cloche 6, can be that the material of one end open is the cover of glass, and openend Other Seal treatments can be sealed or do, so as to form the first cavity.First cavity can be the cavity of cylinder, can also be filled with Gas, so, blow vent can be also equipped with cloche 6, it can have air inlet and degassing function at the same time, also can respectively include into Gas port and exhaust outlet, and blow vent can be closed.
The bulb holder base 1 is connected to one end of the cloche 6, it can be understood as the connection in structure, can be with glue Be fixedly connected etc. mode, be equipped with the second cavity in the bulb holder base 1, the power supply unit 3 is arranged on second cavity, and with institute Bulb holder base 1 is stated to be fixedly connected;Second cavity, it can be understood as it is used for the cavity for housing power supply unit 3 in bulb holder base 1, its Can be closing, or non-close.The material of bulb holder base 1 can be any materials, and can specifically be connected to glass The openend for doing Seal treatment of cover 6.
The first end of the lamp base 2 connects the power supply unit 3, and second end is passed through outside 1 external connection of bulb holder base Power supply.
The power supply unit 3 is used to power for the illuminating module 5 using the external power supply of the lamp base 2 access.So The both sides of power supply unit 3 connect the lamp base 2 and illuminating module 5 respectively.
Pin light bulb provided in this embodiment, is arranged in the first cavity in the cloche by the illuminating module, The bulb holder base is connected to one end of the cloche, and the power supply unit is arranged on the second cavity in the bulb holder base, The separation of illuminating module and power supply unit is realized, effectively increases heat dissipation effect;Meanwhile by the power supply unit with it is described Bulb holder base is fixedly connected, and the first end of the lamp base connects the power supply unit, and second end passes through the bulb holder base external connection External power supply, realize the fixation and connection of power supply unit and lamp base, has ensured the stabilization and electrical connection properties of bulb structure Stablize.
Please refer to Fig.1, in one of which embodiment, the bulb holder base 1 includes matrix 11 and ennation 12;
The first end of described matrix 11 connects the cloche 6, and the second end of described matrix 11 connects the ennation 12, Second cavity is arranged in described matrix 11;
Matrix 11 can be regarded as the structure division for housing the second cavity, it can be connected to the openend of cloche 6. The structure for being used for fixing power supply unit 3 can be equipped with matrix 11, such as holds the card slot knot that circuit board 32 is inserted into power supply unit 3 Structure, for limiting the position limiting structure of position etc. in matrix 11 of power supply unit 3.
The lamp base passage with the form fit of the lamp base 2 is equipped with the ennation 12, the lamp base 2 is arranged in described Lamp base passage.Lamp base passage, it can be understood as the passage passed through for lamp base 2, in specific implementation process, lamp base 2 and lamp base The form fit of passage, it can be understood as the shape of lamp base passage can be adapted to the insertion and fixation of lamp base 2.The number of lamp base passage It can be spaced apart, can also done again between lamp base 2 by spacer structure between the lamp base passage that amount can be identical with lamp base 2 and different Insulation processing.
The structure that matrix 11 can be integrally formed with ennation 12, or the structure of assembling, its material can be Arbitrarily, since lamp base 2 therein and power supply unit 3 are circuit devcie, matrix 11 and ennation 12 can be insulating materials. Meanwhile in order to further improve heat dissipation effect, matrix 11 can select the preferable material of heat dissipation performance with ennation 12.
On the basis of power supply unit 3 is housed using the second cavity, the bulb holder base 1 of the present embodiment passes through matrix 11 and extension Body 12 realizes the accommodating and protection to power supply unit 3 and lamp base 2 respectively, meanwhile, can be with by matrix 11 and ennation 12 Ensure electrical connection properties between power supply unit 3 and lamp base 2 and structure connectivity can stability, and lamp base 2 structure of itself It is firm, it can also avoid grafting from acting the influence to lamp base 2 and power supply unit 3.
In addition, matrix 11 can be in cylinder, ennation 12 can be in pancake.Cloche 6 or and matrix 11 The cylinder matched somebody with somebody.
In one of which embodiment, please refer to Fig.1, the power supply unit 3 includes circuit board 32 and arranged on the circuit The power supply circuit 31 of plate 32;
The circuit board 32 is arranged in the bulb holder base 1, is specifically as follows in the matrix 11 of bulb holder base 1, the lamp base 2 First end is fixed in the circuit board 32, and is electrically connected with the power supply circuit 31;To realize structure connection with being electrically connected at the same time.
The illuminating module 5 is fixed in the circuit board 32 by connecting pin 4, and is electrically connected with the power supply circuit 31 Connect, to realize structure connection with being electrically connected at the same time.
Since the power supply unit 3 of the present embodiment is independently disposed to the second cavity, just it is necessary by illuminating module 5 and power supply Connection pin 4 outside device 3 realizes the transmission of electricity, meanwhile, the first cavity is independently disposed in illuminating module 5, connects pin 4 In the case that both ends connect circuit 32 and illuminating module 5 respectively, the support connection function in structure can be also realized.Compared to existing Only play the role of electrical connection in correlation technique and the connection circuit on same substrate is in illuminating module 5, power supply unit 3, this The function of connection pin 4 in embodiment is more various.
In one of which embodiment, the center section and one end of the cloche 6 of the connection pin 4 seal.Should Embodiment also can further improve the connection support connection illuminating module 5 of pin 4 in the case where realizing the closing of the first cavity Effect.
Fig. 2 is the circuit diagram one of one power supply circuit of the utility model;Fig. 3 is the electricity of one power supply circuit of the utility model Road schematic diagram two.
In one of which embodiment, please refer to Fig.2 and Fig. 3, the power supply circuit 31 can include rectification module with it is steady Press drive module;The rectification module input side connects the lamp base, and the outlet side of the rectification module connects the voltage stabilizing and drives Dynamic model block;
The rectification module is used to that the voltage stabilizing drive module will to be supplied to after the external power supply U0 rectifications;It refer to figure 2 and Fig. 3, rectification module can include commutation sub-circuit U1;The first side of commutation sub-circuit U1 can one first capacitance C1 of parallel connection; The second side of commutation sub-circuit U1 can one second capacitance C2 of parallel connection, it can be achieved that pressure stabilization function.
The voltage stabilizing drive module is used to utilize illuminating module 5 described in supplied electric drive to shine.
Please refer to Fig.2, voltage stabilizing drive module can be linear voltage stabilization module.
In one of which embodiment, the voltage stabilizing drive module includes Voltage to current transducer sub-circuit U2 and first resistor R1.The output terminal of the Voltage to current transducer sub-circuit U2 connects the first end of the first resistor, the Voltage to current transducer The input terminal of sub-circuit U2 connects the rectification module, the sampling end connection described first of the Voltage to current transducer sub-circuit U2 The second end of resistance R1, the second end of the first resistor R1 connect the illuminating module 5.Voltage to current transducer sub-circuit U2 can For utilizing supplied electricity output constant-current source, the current source is supplied to illuminating module 5 after first resistor R1 partial pressures.Wherein In a kind of embodiment, Voltage to current transducer sub-circuit U2 can include controller and switching device, the input terminal of switching device Connect the rectification module, the first end of the output terminal connection first resistor R1 of switching device, the control terminal connection of switching device The output terminal of controller, the feeder ear of controller can connect rectification module, the Enable Pin input high level of controller, voltage and current The second end of the sampling end connection first resistor R1 of conversion sub-circuit U2, sampling end can device in order to control the input of a signal End, the second end of first resistor R1 are also connected with illuminating module 5, and the electric signal control that controller can be used for being gathered according to sampling end is opened Close device work.
Please refer to Fig.3, the voltage stabilizing drive module can be switch voltage-stabilizing module.
In one of which embodiment, the voltage stabilizing drive module includes Voltage to current transducer sub-circuit U2, first resistor R1, the first diode D1, the first inductance T1 and the 3rd capacitance C3.Voltage to current transducer sub-circuit U2 can be used for using being supplied Electricity output electric current.
In one of which embodiment, Voltage to current transducer sub-circuit U2 can include controller and switching device, switch The input terminal of device connects the rectification module, the first end of the output terminal connection first resistor R1 of switching device, switching device Control terminal connection controller output terminal, the feeder ear of controller can connect rectification module, and the Enable Pin input of controller is high Level, the second end of the sampling end connection first resistor R1 of Voltage to current transducer sub-circuit U2, sampling end can devices in order to control One signal input part.Control the break-make of implement body controllable switch device.First diode D1, the first inductance T1, the 3rd electricity Hold C3, and switching device can be regarded as forming Buck circuits, it is a kind of tandem type switch converters.
In the present embodiment, Voltage to current transducer sub-circuit U2 passes through first resistor R1, the first inductance L1, the first diode D1 With the 3rd capacitance C3, low-voltage DC is exported, so as to be supplied to illuminating module 5.Wherein, the input terminal connection of the first diode D1 The output terminal of illuminating module 5, the first end of the output terminal connection first resistor R1 of the first diode D1, that is, be connected to voltage and current The output terminal of conversion sub-circuit U2;The second end of the first end connection first resistor R1 of first inductance L1, that is, be connected to voltage electricity The sampling end of conversion sub-circuit U2 is flowed, the 3rd capacitance C3 is parallel to the both ends of illuminating module 5, its first end connects the first inductance T1 Second end, meanwhile, the input terminal of the second end of the 3rd capacitance C3, the output terminal of illuminating module 5 and the first diode D1 is equal Ground connection.
In one of which embodiment, the illuminating module 5 can include substrate and the LED core on the substrate Piece;The LED chip is electrically connected the power supply unit by connecting pin 4;The substrate and the connection pin 4 are affixed.Its In, substrate can be metal substrate, or non-metal base plate.The illuminating module 5 can also include fluorescent powder, described glimmering Light powder is coated on the LED chip surface.Wherein it is possible to be respectively coated in independent LED chip surface, can also cover at the same time Multiple LED chip surfaces.
In addition, in one of which embodiment, the quantity of the lamp base 2 is two, and the spacing between two lamp bases 2 For 9 millimeters, it is seen then that light bulb provided in this embodiment can be adapted for the lamp of G9 types, meanwhile, it is equally applicable to other pin lamps Bubble.
Finally it should be noted that:Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand:It can still modify the technical solution described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical solution of type.

Claims (14)

  1. A kind of 1. pin light bulb, it is characterised in that including:Cloche, bulb holder base, illuminating module, lamp base and power supply unit, its In:
    The first cavity of closing is equipped with the cloche, the illuminating module is arranged in first cavity;
    The bulb holder base is connected to one end of the cloche, is equipped with the second cavity in the bulb holder base, the power supply unit is set It is fixedly connected in second cavity, and with the bulb holder base;
    The first end of the lamp base connects the power supply unit, and second end passes through the bulb holder base external connection external power supply;
    The power supply unit is used to power for the illuminating module using the external power supply of lamp base access.
  2. 2. light bulb according to claim 1, it is characterised in that the power supply unit includes circuit board and arranged on the circuit The power supply circuit of plate;
    The circuit board is arranged in the bulb holder base, and the first end of the lamp base is fixed in the circuit board, and with the power supply Circuit is electrically connected;
    The illuminating module is fixed in the circuit board by connecting pin, and is electrically connected with the power supply circuit.
  3. 3. light bulb according to claim 2, it is characterised in that the center section of the connection pin and the cloche One end seals.
  4. 4. the light bulb according to Claims 2 or 3, it is characterised in that the power supply circuit includes rectification module and driven with voltage stabilizing Dynamic model block, the rectification module input side connect the lamp base, and the outlet side of the rectification module connects the voltage stabilizing driving mould Block;
    The rectification module is used to that the voltage stabilizing drive module will to be supplied to after the external power supply rectification;
    The voltage stabilizing drive module is used to utilize illuminating module described in supplied electric drive to shine.
  5. 5. light bulb according to claim 4, it is characterised in that the voltage stabilizing drive module is linear voltage stabilization module.
  6. 6. light bulb according to claim 4, it is characterised in that the voltage stabilizing drive module includes Voltage to current transducer electricity Road and first resistor, the output terminal of the Voltage to current transducer sub-circuit connect the first end of the first resistor, the voltage The input terminal of electric current conversion sub-circuit connects the rectification module, described in the sampling end connection of the Voltage to current transducer sub-circuit The second end of first resistor, the second end of the first resistor connect the illuminating module.
  7. 7. light bulb according to claim 4, it is characterised in that the voltage stabilizing drive module is switch voltage-stabilizing module.
  8. 8. light bulb according to claim 4, it is characterised in that the voltage stabilizing drive module includes Voltage to current transducer electricity Road, first resistor, the first diode, the first inductance and the 3rd capacitance;The output terminal of the Voltage to current transducer sub-circuit connects Connecing the first end of the first resistor, the input terminal of the Voltage to current transducer sub-circuit connects the rectification module, and described the The first end of the output terminal of one diode and the first resistor is connected to the output of the Voltage to current transducer sub-circuit End, the first end of first inductance are connected to the Voltage to current transducer sub-circuit with the second end of the first resistor Sampling end, the 3rd capacitance are parallel to the both ends of the illuminating module, and the first end of the 3rd capacitance is also connected with the first inductance Second end, the input terminal of the second end of the 3rd capacitance, the output terminal of the illuminating module and first diode are equal Ground connection.
  9. 9. light bulb according to any one of claims 1 to 3, it is characterised in that the bulb holder base includes matrix and ennation;
    The first end of described matrix connects the cloche, and the second end of described matrix connects the ennation, second chamber Body is arranged in described matrix;
    The lamp base passage with the form fit of the lamp base is equipped with the ennation, the lamp base is arranged in the lamp base and leads to Road.
  10. 10. light bulb according to claim 9, it is characterised in that described matrix is in cylinder, and the ennation is in flat Shape, the cloche are in and the matched cylinder of described matrix.
  11. 11. light bulb according to any one of claims 1 to 3, it is characterised in that the illuminating module includes substrate and is arranged on LED chip on the substrate;
    The LED chip is electrically connected the power supply unit by connecting pin;
    The substrate and the connection pin are affixed.
  12. 12. light bulb according to claim 11, it is characterised in that the illuminating module further includes fluorescent powder, the fluorescence Powder is coated on the LED chip surface.
  13. 13. light bulb according to any one of claims 1 to 3, it is characterised in that the quantity of the lamp base is two, and two Spacing between a lamp base is 9 millimeters.
  14. 14. light bulb according to any one of claims 1 to 3, it is characterised in that the cloche is additionally provided with blow vent.
CN201720998943.7U 2017-08-10 2017-08-10 Pin light bulb Active CN207230205U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720998943.7U CN207230205U (en) 2017-08-10 2017-08-10 Pin light bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720998943.7U CN207230205U (en) 2017-08-10 2017-08-10 Pin light bulb

Publications (1)

Publication Number Publication Date
CN207230205U true CN207230205U (en) 2018-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720998943.7U Active CN207230205U (en) 2017-08-10 2017-08-10 Pin light bulb

Country Status (1)

Country Link
CN (1) CN207230205U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388065A (en) * 2017-08-10 2017-11-24 浙江生辉照明有限公司 Pin bulb
CN109488897A (en) * 2018-11-06 2019-03-19 宁波凯耀电器制造有限公司 A kind of LED pin lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107388065A (en) * 2017-08-10 2017-11-24 浙江生辉照明有限公司 Pin bulb
CN109488897A (en) * 2018-11-06 2019-03-19 宁波凯耀电器制造有限公司 A kind of LED pin lamp

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