CN111396839A - Connecting terminal and lighting equipment - Google Patents

Connecting terminal and lighting equipment Download PDF

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Publication number
CN111396839A
CN111396839A CN201811620119.3A CN201811620119A CN111396839A CN 111396839 A CN111396839 A CN 111396839A CN 201811620119 A CN201811620119 A CN 201811620119A CN 111396839 A CN111396839 A CN 111396839A
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CN
China
Prior art keywords
impedance
lamp
driving
terminal
power supply
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811620119.3A
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Chinese (zh)
Inventor
吴昕
陈忠
王新胜
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.)
Shanghai Lumixess Lighting Technology Co
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Shanghai Lumixess Lighting Technology Co
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.)
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Publication date
Application filed by Shanghai Lumixess Lighting Technology Co filed Critical Shanghai Lumixess Lighting Technology Co
Priority to CN201811620119.3A priority Critical patent/CN111396839A/en
Priority to US16/275,606 priority patent/US10871280B2/en
Publication of CN111396839A publication Critical patent/CN111396839A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention provides a connecting terminal, comprising: at least one impedance branch, the impedance branch comprising: one or more impedance elements; and the first ends of the two first conductive joints are suitable for being coupled with a driving power supply and a lighting lamp respectively, and the second ends of the two first conductive joints are coupled with two ends of the one or more impedance elements respectively. The present invention also provides a lighting device comprising: the driving power supply, the illuminating lamp and the wiring terminal of the embodiment of the invention; the input end of the driving power supply is suitable for being connected to an alternating current power grid, the output end of the driving power supply is coupled with two ends of the illuminating lamp to form a driving loop, and at least one impedance branch of the wiring terminal is connected to the driving loop. The wiring terminal can adjust the working current and the output lumen of the lighting lamp, facilitates the field setting of the illuminance of the lighting lamp by a lamp installer, and greatly reduces the product specification requirements of the lighting lamp and the driving power supply.

Description

Connecting terminal and lighting equipment
Technical Field
The invention relates to the technical field of illumination, in particular to a wiring terminal and an illuminating device.
Background
L ED lamp has the advantages of long service life, high lighting effect, no radiation, impact resistance and low power consumption, and belongs to energy-saving green environment-friendly lighting source, meanwhile, the individualized requirement of L ED lighting lamp is very strong, and the design of the L ED lamp panel differentiation makes the required working voltage and working current be different even if the lamp panel design of the same type of lamp beads and different numbers of lamp beads connected in series and in parallel is adopted.
On one hand, a user has to select a proper driving power supply from driving power supplies with various output specifications to meet the requirement of lighting design of a L ED lamp, and on the other hand, a driving power supply manufacturer also needs to prepare a power supply stock with various specifications to meet the requirement of personalized service and rapid delivery of the user.
Disclosure of Invention
The invention solves the technical problem of how to conveniently realize the matching between the illuminating lamp and the driving power supply, namely how to realize various illumination output by the illuminating lamp by using the illuminating lamp and the driving power supply with the specifications as less as possible so as to meet the individual requirements of different environments or users on the illumination of the illuminating lamp.
In order to solve the above technical problem, an embodiment of the present invention provides a connection terminal, including: at least one impedance branch, the impedance branch comprising: one or more impedance elements; and two first electrically conductive connectors, each first electrically conductive connector having a first end and a second end, the first ends of the two first electrically conductive connectors being adapted to be coupled to a driving power source and a lighting lamp, respectively, and the second ends of the two first electrically conductive connectors being coupled to two ends of the one or more impedance elements, respectively.
Optionally, the impedance element comprises a capacitor.
Optionally, the impedance element has a capacitance value in the range of 33pF to 63 nF.
Optionally, the impedance branch comprises a plurality of impedance elements, which are connected in series or in parallel between the two first conductive joints.
Optionally, the connection terminal further includes: the terminal body is made of insulating materials, the impedance element and the first conductive joint are arranged in the terminal body, and the first end of the first conductive joint is provided with a port exposed outside the terminal body, so that a lead can be conveniently accessed.
Optionally, the ports of the first ends of the two first conductive contacts are arranged at the same end of the terminal body; or the ports of the first ends of the two first conductive joints are respectively arranged at the two ends of the terminal body.
Optionally, the connection terminal further includes: the first end of the first conductive joint and the first end of the second conductive joint are suitable for being respectively connected with a driving power supply and an illuminating lamp or respectively connected with the illuminating lamp and the driving power supply.
Optionally, the connection terminal further includes: and the first ends of at least two second conductive joints are suitable for being respectively connected with the driving power supply and the illuminating lamp, and the second ends of the two second conductive joints are disconnected or shorted.
Optionally, the driving power source is adapted to output alternating current, and the lighting lamp is adapted to be driven by alternating current.
An embodiment of the present invention further provides an illumination device, including: a driving power supply, an illuminating lamp, and a connection terminal of the embodiment of the present invention; the input end of the driving power supply is suitable for being connected to an alternating current power grid, the output end of the driving power supply is coupled with two ends of the illuminating lamp to form a driving circuit, and two first conductive connectors of at least one impedance branch of the wiring terminal are connected to the driving circuit.
Optionally, an impedance element between the two first electrically conductive contacts of the impedance branch is connected in series with the lighting lamp.
Optionally, the driving power supply is adapted to output an alternating current, and the illumination lamp includes: the LED driving circuit comprises a direct current conversion circuit and a light-emitting element, wherein the input end of the direct current conversion circuit is coupled with the output end of the driving power supply, the output end of the direct current conversion circuit is coupled with two ends of the light-emitting element, and the direct current conversion circuit is suitable for converting alternating current into direct current.
Optionally, the impedance of the impedance element of the connection terminal is determined by the output lumens of the illumination lamp.
Optionally, the lighting device comprises a plurality of lighting lamps, which are connected in series in the driving circuit; the lighting device comprises one or more of the connection terminals, at least one impedance branch of which is connected into the drive circuit.
Optionally, the lighting device includes a plurality of lighting lamps, the driving power supply includes a plurality of sets of output ends, and two ends of the plurality of lighting lamps are respectively coupled with the plurality of sets of output ends of the driving power supply to form a plurality of driving loops; the lighting device comprises one of the wiring terminals, one of the wiring terminals comprises a plurality of impedance branches, the plurality of impedance branches of one of the wiring terminals are respectively connected into the plurality of driving circuits, or the lighting device comprises a plurality of the wiring terminals, and the impedance branches of the plurality of wiring terminals are respectively connected into the plurality of driving circuits.
Optionally, the driving power supply includes a common output end, each group of output ends of the driving power supply includes the common output end, one ends of the plurality of illumination lamps are connected to the common output end, the illumination device includes one of the connection terminals, and one impedance branch of one connection terminal is connected in series between the common output end of the driving power supply and one end of the plurality of illumination lamps.
Optionally, the lighting lamp includes a lamp tube, the lamp tube includes a double-end or single-end lamp tube, the double-end lamp tube includes a straight lamp tube, and the single-end lamp tube includes a U-shaped, a ring-shaped, an H-shaped, a double-U-shaped, a square, a spherical or a spiral lamp tube.
Optionally, the illumination lamp comprises a first light emitting element and a second light emitting element having different color temperatures; the driving power supply comprises a first group of output ends and a second group of output ends, the first group of output ends are coupled with two ends of the first light-emitting element to form a first driving loop, and the second group of output ends are coupled with two ends of the second light-emitting element to form a second driving loop; the lighting device comprises one wiring terminal, the wiring terminal comprises at least two impedance branches, the two impedance branches of the wiring terminal are respectively connected into the first driving circuit and the second driving circuit, or the lighting device comprises two wiring terminals, and the impedance branches of the two wiring terminals are respectively connected into the first driving circuit and the second driving circuit.
Optionally, the illumination lamp further comprises: a first direct current conversion circuit, an input end of the first direct current conversion circuit being coupled to an output end of the driving power supply, an output end of the first direct current conversion circuit being coupled to both ends of the first light emitting element, the first direct current conversion circuit being adapted to convert an alternating current into a direct current; and the input end of the second direct current conversion circuit is coupled with the output end of the driving power supply, the output end of the second direct current conversion circuit is coupled with two ends of the second light-emitting element, and the second direct current conversion circuit is suitable for converting alternating current into direct current.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
the connecting terminal comprises at least one impedance branch, and the impedance branch comprises two first conductive joints and one or more impedance elements connected between the two first conductive joints in series, so that when the connecting terminal is connected into a circuit through the two first conductive joints, the impedance elements can adjust the current of the connected circuit. In practical application, the working current of the accessed circuit can be set by configuring the wiring terminal with specific impedance; by configuring a plurality of connecting terminals with different impedances and selecting the connecting terminal connected into the circuit, the field setting of the working current of the connected circuit can be realized, and the connecting terminal can be used for modifying and installing lamps in a lighting circuit.
Furthermore, the impedance element comprises a capacitor, after the wiring terminal is connected into the circuit, the capacitor element does not increase extra electric energy loss for the circuit, and in addition, the capacitor has small volume and low cost, so that the impedance element using the capacitor as the wiring terminal has great practical value.
Further, the wiring terminal also comprises at least one second conductive joint, the second conductive joint and the first conductive joint are disconnected or shorted, and when the wiring terminal is connected into a circuit through the first conductive joint and the second conductive joint, the corresponding circuit can be controlled to be disconnected or connected; or, the wiring terminal also comprises a plurality of second conductive joints, the second conductive joints are disconnected or short-circuited, and when the wiring terminal is connected into a circuit through the second conductive joints, the corresponding circuit can be controlled to be disconnected or connected. Therefore, the wiring terminal comprises various types of conductive connectors, when the wiring terminal is connected into a circuit through different types of conductive connectors, different functions can be achieved, and the integration level of the wiring terminal is improved.
The embodiment of the invention also provides lighting equipment which comprises a driving power supply, a lighting lamp and the wiring terminal of the embodiment of the invention, wherein the output end of the driving power supply is coupled with two ends of the lighting lamp to form a driving loop, and two first conductive connectors of at least one impedance branch of the wiring terminal are connected into the driving loop to adjust the working current of the lighting lamp, so that the output lumen of the lighting lamp is adjusted. In practical application, a manufacturer can produce wiring terminals with various specifications, and lamp installation or maintenance personnel only need to directly insert an electrical connecting wire between a driving power supply and an illuminating lamp into a first conductive connector of the wiring terminal with the corresponding specification, so that on-site setting of illumination intensity of the illuminating lamp can be conveniently, quickly and safely realized, different requirements of different environments on the illumination intensity can be met, and the lamp is particularly suitable for large-scale installation and transformation of illuminating lamps.
The lighting equipment of the embodiment of the invention finishes the regulation of the lumen output of the lighting lamp by connecting the wiring terminals with different specifications, and has the advantages that firstly, the scheme greatly reduces the requirements on the product specifications of the lighting lamp and the driving power supply, and can easily meet the requirement on large-scale lighting as only a small number of specifications of the lighting lamp and the driving power supply are matched with the wiring terminals with various specifications, thereby greatly saving the production stocking and inventory management costs of manufacturers and engineers, secondly, because the cost and the size of the wiring terminals are very small, the stocking is very easy, the matching problem between the lighting lamp and the driving power supply is flexibly solved, and thirdly, compared with the programmable L ED driving power supply, the wiring terminals are used without providing higher occupational skill requirements on workers for installing the lamp on site, the use method of the wiring terminal is the same as that of the traditional lamp, and the wiring method is beneficial to the popularization of new technology.
Further, the impedance element of the wiring terminal is connected with the illuminating lamp in series, so that the wiring terminal can be conveniently connected into a driving circuit of the illuminating lamp, and the accurate adjustment of the working current of the illuminating lamp can be realized.
Further, the lighting device may include a plurality of lighting lamps, and the plurality of lighting lamps may be connected in series in the same driving loop, and at this time, the adjustment of the working current and the output lumens of all the lighting lamps may be realized by connecting at least one impedance branch in the driving loop. Wherein, the connection of at least one impedance branch in the driving circuit can be realized by connecting one or more connection terminals.
Further, the lighting device may include a plurality of lighting lamps, the plurality of lighting lamps may be respectively disposed in a plurality of driving loops, and at this time, the impedance branches need to be respectively connected to each driving loop, so as to respectively adjust the working currents of the plurality of lighting lamps. The impedance branches are respectively connected into each driving loop, so that the impedance branches can be realized through a plurality of impedance branches of one wiring terminal, and the integration level of the wiring terminal is improved; the impedance branch circuit can be realized through respective impedance branch circuits of a plurality of wiring terminals, and the flexibility of assembly and modification is improved.
Furthermore, the illuminating lamp comprises a first light-emitting element and a second light-emitting element which have different color temperatures, the first light-emitting element and the second light-emitting element are respectively arranged in the first driving loop and the second driving loop, and at the moment, the two driving loops are respectively connected with the impedance branches, so that the working currents of the two light-emitting elements are respectively adjusted, and the integral color temperature of the illuminating lamp is set or adjusted. The impedance branches are respectively connected into the two driving circuits, so that the two impedance branches of one wiring terminal can be connected, and the integration level of the wiring terminal is improved; the impedance branch circuit can be realized through respective impedance branches of the two wiring terminals, and the flexibility of assembly and transformation is improved.
Drawings
Fig. 1 is a schematic structural view of a wire terminal 10 according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a connection terminal 20 according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a connection terminal 30 according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of the structure of an illumination device 100 according to one embodiment of the present invention;
FIG. 5 is a schematic diagram of the structure of the illumination lamp 102 according to the embodiment of the invention shown in FIG. 4;
fig. 6 is an equivalent circuit diagram of the driving circuit of the lighting device 100 of the embodiment shown in fig. 4 of the present invention;
fig. 7 is a schematic structural diagram of a lighting device 200 according to another embodiment of the present invention;
fig. 8 is a schematic structural diagram of a lighting device 300 according to another embodiment of the present invention;
fig. 9 is a schematic structural diagram of a lighting device 400 according to another embodiment of the present invention;
fig. 10 is a schematic structural diagram of an illumination device 500 according to another embodiment of the present invention;
fig. 11 is a schematic structural diagram of an illumination device 600 according to another embodiment of the present invention;
fig. 12 is a schematic structural diagram of an illumination lamp 602 according to the embodiment of the invention shown in fig. 11.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The embodiment of the invention provides a wiring terminal. Referring to fig. 1, fig. 1 is a schematic structural view of a connection terminal 10 according to an embodiment of the present invention.
In some embodiments, the connection terminal 10 may include: at least one impedance branch, each impedance branch may include: one or more impedance elements 13 (only one impedance element 13 is shown in fig. 1 to simplify the illustration); and two first conductive contacts 11, each first conductive contact 11 having a first end and a second end, the first ends of the two first conductive contacts 11 being respectively adapted to connect wires, the second ends of the two first conductive contacts 11 being respectively coupled to two ends of the one or more impedance elements 13.
In some embodiments, the first ends of the two first conductive contacts 11 are adapted to be coupled with a driving power source and a lighting lamp, respectively.
It should be noted that there may be a plurality of types of conductive contacts of the connection terminal, and the embodiments of the present invention divide the types of conductive contacts included in the connection terminal according to whether an impedance element is connected in series between two conductive contacts, where each of the two conductive contacts between which the impedance element is connected in series is defined as a "first conductive contact", each of the two conductive contacts between which an open circuit or a short circuit is formed is defined as a "second conductive contact", and one conductive contact between which an open circuit or a short circuit is formed and the first conductive contact is also defined as a "second conductive contact". These two definitions are not conflicting and it is possible for any one conductive contact to act as a first conductive contact in its combined circuit with one conductive contact and as a second conductive contact in its combined circuit with another conductive contact.
In some embodiments, the wire connecting terminal 10 may further include a terminal body 14, the terminal body 14 may be made of an insulating material, the impedance element 13 and the first conductive contact 11 may be disposed in the terminal body 14, and a first end of the first conductive contact 11 may have a port (not shown) exposed outside the terminal body 14 for connecting a wire. The first conductive contact 11 may be made of a metal conductor. For example, a spring may be disposed inside the first conductive connector 11 to facilitate wire clamping, and the first conductive connector 11 and the two ends of the impedance element 13 may be coupled by a wire; or the first conductive contact 11 itself may be a wire; alternatively, the first conductive connector 11 may be a lead or a pin at both ends of the impedance element 13.
In some embodiments, the number of the impedance branches may be one (as shown in fig. 1(a) and (b)), the ports of the first ends of the two first conductive contacts 11 may be respectively disposed at two ends of the terminal body 14 (as shown in fig. 1 (a)), for example, the terminal body 14 may be a hexahedron, the ports of the first ends of the two first conductive contacts 11 may be respectively disposed on two surfaces of the hexahedron, which may be two opposite surfaces or two adjacent surfaces; the ports of the first ends of the two first conductive contacts 11 may also be disposed at the same end of the terminal body 14 (as shown in fig. 1 (b)), for example, the ports of the first ends of the two first conductive contacts 11 may be disposed at the same surface of the terminal body 14, respectively, wherein each impedance branch may include one impedance element 13. In other embodiments, the number of impedance elements 13 included in each impedance branch may also be multiple, and the multiple impedance elements may be connected in series or in parallel.
In some embodiments, the impedance element 13 may comprise a capacitor, and the capacitance value of the impedance element 13 may range from 33pF to 63 nF. Specifically, the capacitance value of the impedance element 13 may range from 33pF to 470pF, or 470pF to 6.3nF, or 6.3nF to 63 nF. In other embodiments, the impedance element 13 may also comprise a resistor or an inductor.
In some embodiments, the connection terminal 10 may include a plurality of impedance branches (as shown in fig. 1 (c), (d), (e), and (f)). The impedance of the impedance element 13 included in each impedance branch may be equal or different. When the connection terminal 10 includes a plurality of impedance branches, different impedance branches may be connected to each other (as shown in (c), (e) of fig. 1); the different impedance branches may also be independent of each other, i.e. there is no connection point between any two impedance branches (as shown in (d), (f) of fig. 1).
In the embodiment shown in fig. 1, since the impedance element 13 is connected in series between any two first conductive contacts 11, when the connection terminal 10 is connected to a circuit, any two first conductive contacts can be selected to be connected to the circuit, or multiple groups of first conductive contacts can be selected to be connected to the circuit at the same time, and each group of first conductive contacts includes two first conductive contacts.
Referring to fig. 2, fig. 2 is a schematic structural view of a connection terminal 20 according to another embodiment of the present invention. The main differences between this embodiment and the embodiment shown in fig. 1 are: the connection terminal 20 includes not only the first conductive contact 21 but also the second conductive contact 22, and fig. 2(a) - (f) show several configurations of the connection terminal 20 including the second conductive contact 22.
As shown in fig. 2(a), (b), (e), in some embodiments, the wire connection terminal 20 may include a plurality of second conductive contacts 22, first ends of the plurality of second conductive contacts 22 being adapted to connect wires, and second ends of the plurality of second conductive contacts 22 being open or shorted to each other. When the wiring terminal 20 is connected into a circuit through the two first conductive connectors 21, the current of the connected circuit can be adjusted; when the terminal 20 is connected to the circuit through the two second conductive contacts 22, the open or short circuit of the connected circuit can be controlled. In some embodiments, the plurality of second conductive contacts 22 are disconnected from the plurality of first conductive contacts 21. In some embodiments, the first ends of the second plurality of conductive contacts 22 are adapted to be connected to a driving power source and an illumination lamp, respectively.
As shown in fig. 2(c), (d), (f), in some embodiments, the connection terminal 20 may include: at least one second conductive contact 22, a first end of the second conductive contact 22 being adapted to connect to a wire, a second end of the second conductive contact 22 being disconnected or shorted to a second end of the first conductive contact 21. When the connecting terminal 20 is connected into a circuit through the two first conductive connectors 21, the current of the connected circuit can be adjusted; when the connection terminal 20 is connected to a circuit through a first conductive contact 21 and a second conductive contact 22, the connected circuit can be controlled to be open or short. In some embodiments, the first end of the first conductive contact 21 and the first end of the second conductive contact 22 are adapted to be connected to a driving power source and an illumination lamp, respectively, or to a lighting lamp and a driving power source, respectively.
In some embodiments, the second conductive contact 22 is disposed inside the terminal body 24, and a first end of the second conductive contact 22 may have a port (not shown) exposed outside the terminal body 24 for connecting a wire.
In some embodiments, the port of the first end of the first conductive contact 21 and the port of the first end of the second conductive contact 22 may be designed to allow a wire to be inserted into the ports safely and quickly, and a spring may be disposed in the ports to facilitate the clamping of the wires.
Fig. 2(a) to (f) illustrate the structure of the terminal by taking the terminal as an example including two or three sets of conductive contacts, but the embodiment of the present invention is not limited thereto. Referring to fig. 3, fig. 3 is a schematic structural diagram of a connection terminal 30 according to another embodiment of the present invention, in some embodiments, the connection terminal 30 may include more than three sets of conductive contacts, each set (two) of conductive contacts forms a connection circuit, and each set of two conductive contacts may be a first conductive contact 31, a second conductive contact 32, a first conductive contact 31, and a second conductive contact 32. Different functions can be achieved when the terminal 30 is connected to the circuit with different types of conductive contacts. The connection terminal 30 of the embodiment of the present invention comprises at least one impedance branch, the connection terminal 30 can be applied to a lighting circuit, one first conductive connector 31 of the impedance branch of the connection terminal 30 is suitable for being connected with a driving power supply, the other first conductive connector 31 is suitable for being connected with a lighting lamp, the input end of the driving power supply is suitable for being connected with an alternating current power grid, the output end of the driving power supply is suitable for outputting alternating current, and the lighting lamp is suitable for being driven by alternating current.
The connection terminal 30 of this embodiment includes multiple types of conductive contacts, so that in practical applications, the number and types of conductive contacts of the connection terminal connected to the circuit can be flexibly selected according to circuit requirements, thereby improving the integration level of the connection terminal.
The driving power supplies to which the connection terminals of the above embodiments of the present invention are coupled may be L ED ballasts, and the lighting lamps to which the connection terminals of the above embodiments of the present invention are coupled may be L ED lamps.
The embodiment of the invention also provides the lighting equipment. Referring to fig. 4, fig. 4 is a schematic structural diagram of an illumination device 100 according to an embodiment of the present invention. In some embodiments, the lighting device 100 may include a driving power source 101, a lighting lamp 102, and a connection terminal 103 of the previous embodiments of the present invention; the input end of the driving power supply 101 is suitable for being connected to an alternating current power grid, the output end of the driving power supply 101 is coupled to two ends of the illuminating lamp 102 to form a driving circuit, and two first conductive connectors of at least one impedance branch of the wiring terminal 103 are connected to the driving circuit.
In some embodiments, the driving power 101 may include L ED ballast, the L ED ballast is a kind of L ED driving power, and is a kind of power conversion device made by electronic technology and used to drive L ED lamp to generate the required lighting driving power, unlike the traditional L ED driving power, which converts mains frequency ac power into specific dc power to drive L ED load, the L ED ballast converts mains frequency ac power into high frequency ac power to drive the ac L ED lamp.
In some embodiments, the illumination lamp 102 may be an L ED lamp, the L ED lamp is adapted to be lit by ac power, and the ac L ED lamp may be configured as a L ED light source having the same configuration as a conventional fluorescent lamp, so as to facilitate direct mounting of the ac L ED lamp on a socket interface of a conventional fluorescent lamp, thereby better utilizing existing resources and reducing the cost of upgrading L ED lighting systems.
As shown in fig. 4(a), in some embodiments, the lighting device 100 may include a connection terminal 103 according to an embodiment of the present invention, where the connection terminal 103 includes an impedance branch, and the impedance branch includes two first conductive contacts 1031 and an impedance element 1033 connected in series between the two first conductive contacts 1031; the lighting device 100 may further include a connection terminal 104 only for realizing electrical connection, and the connection terminal 104 includes two conductive contacts 1041, and the two conductive contacts 1041 are shorted. The connection terminal 103 is connected in series between the first output terminal a1 of the driving power source 101 and the first end of the illuminating lamp 102, and can function to adjust the operating current of the illuminating lamp 102, and the second connection terminal 104 is connected in series between the second output terminal a2 of the driving power source 101 and the second end of the illuminating lamp 102, and only functions to electrically connect.
In other embodiments, one first conductive connector 1031 of the connection terminal 103 may be coupled to a first end of the illumination lamp 102, and the other first conductive connector 1031 of the connection terminal 103 may be coupled to a second end of the illumination lamp 102, so that the impedance element 1033 of the connection terminal 103 is connected in parallel with the illumination lamp 102 to adjust the operating current of the illumination lamp 102.
As shown in fig. 4(b), in some embodiments, the lighting device 100 may comprise two connection terminals 103a and 103b, each of which may comprise one impedance branch comprising two first conductive contacts 1031 and an impedance element 1033 connected in series between the two first conductive contacts 1031. Wherein the connection terminal 103a may be connected in series between the first output terminal a1 of the driving power source 101 and the first terminal of the illumination lamp 102, and the connection terminal 103b may be connected in series between the second output terminal a2 of the driving power source 101 and the second terminal of the illumination lamp 102. The two terminals 103a and 103b are connected to the driving circuit, so that the working current of the illuminating lamp 102 can be adjusted.
As shown in fig. 4(c), in some embodiments, the lighting device 100 may include one terminal 103, the one terminal 103 may include one impedance branch, the one impedance branch is connected in series between the first output terminal a1 of the driving power source 101 and the first terminal of the lighting lamp 102, the terminal 103 further includes two second conductive connectors 1032, the second terminals of the two second conductive connectors 1032 are shorted, and the first terminals of the two second conductive connectors 1032 are respectively coupled to the second output terminal a2 of the driving power source 101 and the second terminal of the lighting lamp 102.
It should be noted that, although each terminal 103 of the lighting device 100 shown in fig. 4(a), (b), and (c) includes only one impedance branch, the embodiment of the invention is not limited thereto, and one terminal 103 of the lighting device 100 may include a plurality of impedance branches.
Referring to fig. 4(d), in some embodiments, the lighting device 100 may include a terminal 103, the terminal 103 includes two impedance branches, the impedance element 1033 of one impedance branch is connected in series between the first output terminal a1 of the driving power source 101 and the first end of the illumination lamp 102, and the impedance element 1033 of the other impedance branch is connected in series between the second output terminal a2 of the driving power source 101 and the second end of the illumination lamp 102.
As mentioned above, the illumination lamp 102 may be an ac L ED lamp, and in some embodiments, the illumination lamp 102 may include a light emitting element and a dc conversion circuit, an input terminal of the dc conversion circuit is coupled to an output terminal of the driving power source 101, an output terminal of the dc conversion circuit is coupled to two terminals of the light emitting element, and the dc conversion circuit is adapted to convert ac power to dc power.
Referring to fig. 5, fig. 5 is a schematic structural diagram of the illumination lamp 102 according to the embodiment of the invention shown in fig. 4, wherein fig. 5(a) shows an internal structure of the illumination lamp 102, and fig. 5(b) shows a schematic circuit structure of the dc conversion circuit 1025 of the illumination lamp 102.
As shown in fig. 5(a), in some embodiments, the illumination lamp 102 further includes a lamp pin 1021, a lamp tube 1022, and a lamp plate 1023, wherein the lamp plate 1023 is disposed inside the lamp tube 1022, a plurality of light emitting elements 1024 are disposed on the lamp plate 1023, one end of the lamp pin 1021 is suitable for being coupled to a driving power source through the connection terminal, the other end of the lamp pin 1021 is coupled to an input terminal of the dc conversion circuit 1025, an output terminal of the dc conversion circuit 1025 can be coupled to the lamp plate 1023, and the lamp plate 1023 is coupled to the light emitting elements 1024. The dc conversion circuit 1025 can convert the high-frequency ac output from the driving power supply into a stable dc, and then supply the dc to the lamp panel 1023 to drive the light emitting element 1024 to emit light.
In some embodiments, the light emitting elements 1024 may be a plurality of light emitting diodes (L ED).
In some embodiments, the dc conversion circuit 1025 can be disposed inside the lamp 1022 and at one or both ends of the lamp panel 1023.
In some embodiments, the lighting lamp 102 further includes a lamp head 1029, the lamp head 1029 is disposed at two ends of the lamp 1022 and connected to the lamp 1022, and the dc conversion circuit 1025 can be disposed in the lamp head 1029.
In some embodiments, the light tube 1022 may be a double-ended light tube, i.e., the light heads of the light tube are disposed at two ends of the light tube, and the double-ended light tube may include a straight light tube.
In other embodiments, the lamp 1022 may be a single-ended lamp, that is, the lamp head of the lamp is disposed at one end of the lamp, and the single-ended lamp may include a U-shaped, a ring-shaped, an H-shaped, a double U-shaped, a square-shaped, a ball-shaped, or a spiral lamp.
As shown in fig. 5(b), in some embodiments, the dc conversion circuit 1025 may include: a first capacitor 1026 adapted to be dc blocking; a rectifying module 1027 adapted to convert the ac power to dc power; and a second capacitor 1028 adapted for filtering.
The dc conversion circuit 1025 may include two input terminals adapted to input ac power, and the dc conversion circuit 1025 further includes two output terminals coupled to two ends of the light emitting element 1024, respectively. Wherein the first capacitor 1026 is connected in series between an input terminal of the dc conversion circuit 1025 and an input terminal of the rectifier module 1027; two input ends of the rectifying module 1027 are respectively coupled to two input ends of the dc conversion circuit 1025, and two output ends of the rectifying module 1027 are respectively coupled to two ends of the second capacitor 1028; two ends of the second capacitor 1028 are used as two output ends of the dc conversion circuit 1025, and are respectively coupled to two ends of the light emitting element 1024.
In some embodiments, the rectification module 1027 may include a full bridge rectification circuit composed of four diodes.
Referring to fig. 6, in combination with fig. 4, fig. 6 is an equivalent circuit diagram of a driving circuit of the lighting device 100 according to the embodiment shown in fig. 4 of the present invention.
Unlike the conventional L ED driving power supply outputting DC power, the L ED driving power supply 101 of the embodiment of the invention outputs high-frequency AC powerThe L ED illuminating lamp 102 with the built-in DC conversion circuit is powered through the wiring terminal 103, V in figure 6sIs the equivalent output voltage, Z, of the driving power supply 101sIs the equivalent output impedance, Z, of the driving power supply 101wIs the equivalent impedance, C, of the impedance branch of the terminal 103wIs the equivalent capacitance of the impedance branch of the terminal 103, ω ═ 2 pi f, f is the operating frequency, Z is the operating frequencyLIs the equivalent load impedance of the illumination lamp 102, the load current I of the illumination lamp 102LComprises the following steps:
Figure BDA0001924523160000131
wherein Z isw=1/(jωCW)。
As can be seen from the above formula, the capacitance C of the connection terminal 103 is adjusted without changing the parameters of the driving power source 101 and the illumination lamp 102WThe load current I of the illumination lamp 102 can be changedLAnd thus the magnitude of the output lumens of the illumination lamp 102. Since in the usual case, ZsIs far greater than ZLWhen Z iswIs far greater than ZLAnd with ZsComparable or close, or ZwIs far greater than ZsWhen Z iswA significant adjustment of the operating current of the illumination lamp 102 can be achieved.
In some embodiments, the impedance of the impedance element 1033 of the wire connection terminal 103 can be based on the output lumens (or operating current I) of the illumination lamp 102L) An output voltage V of the driving power supply 101SAnd an equivalent output impedance Z of the driving power source 101sTo be determined. When the impedance element 1033 includes a capacitor, the capacitance value of the capacitor can be based on the output lumens (or the operating current I) of the illumination lamp 102L) An output voltage V of the driving power supply 101SAn equivalent output impedance Z of the driving power supply 101sAnd the output operating frequency F of the driving power source 101.
The traditional L ED driving power supply outputs direct current, the voltage/current specification of the traditional L ED driving power supply must be matched with that of a L ED lamp, different requirements of different environments on the illumination of L ED lamps need to be installed, L ED lamps with different specifications also need to be matched with driving power supplies with different parameters, and the output specification parameters of the programmable driving power supply are changed by a programming or program setting method to match the specification requirements of different L ED lamps, so that the requirements can be met only by professional engineers, the requirements do not meet the field operation habits of lamp installation and reconstruction personnel, and the popularization in a large area is inconvenient.
In the embodiment of the invention, an L ED driving power supply with direct current output is not adopted to supply power to a L ED illuminating lamp, but an L ED driving power supply with high-frequency alternating current output is adopted to supply power to an alternating current L ED illuminating lamp, a high-frequency coupling capacitor is connected in a power supply loop, a direct current conversion circuit is arranged in an alternating current L ED lamp tube, the coupled high-frequency alternating current can be rectified into direct current to be output to a L ED lamp panel, L ED light-emitting elements are lightened, connecting terminals with different specifications are internally provided with capacitors with different capacities and are connected with connecting terminals with different specifications, the size of the capacitor connected into the driving loop is changed, so that the load current flowing through the L ED light-emitting elements and the output lumens are changed, and finally the setting of the illumination intensity of the illuminating lamp is.
The wiring terminal not comprising the impedance element is a common accessory in the process of lamp transformation and installation and is familiar to daily installation personnel, the wiring terminal of the embodiment of the invention does not need to master complex programming skills, accords with the field operation habits of installation and transformation personnel, and is suitable for large-area popularization.
It should be noted that the impedance element 1033 of the connection terminal 103 according to the embodiment of the invention may also include an inductor or a resistor element besides the capacitor, and the operating current of the illumination lamp 102 can also be changed. However, the series connection of the resistor elements in the driving circuit increases extra loss, and the system efficiency is not as high as that of the series connection capacitor; however, the impedance element 1033 of the connection terminal 103 preferably includes a capacitor element because the inductor itself has a higher volume and cost than the capacitor, although the inductor element is connected in series in the driving circuit, which does not increase the loss.
The structure of the connection terminal of the lighting device and the connection method thereof in the lighting circuit in the embodiment of the invention are described in the foregoing embodiment of fig. 4 by taking the lighting device as an example including one lighting lamp, however, the embodiment of the invention is not limited thereto, and the structure of the connection terminal and the connection method thereof in the lighting circuit are further described by taking the lighting device as an example including a plurality of lighting lamps.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an illumination device 200 according to another embodiment of the present invention. In some embodiments, the lighting device 200 may comprise: a driving power supply 201, two illumination lamps 202 and one or more connection terminals 203. The present embodiment is applicable to a two-lamp lighting system.
As shown in fig. 7(a) and 7(b), in some embodiments, the two illumination lamps 202 may be connected in series in a driving circuit, and the illumination device 200 may include one of the connection terminals 203, and at least one impedance branch of the one connection terminal 203 is connected to the driving circuit. In other embodiments, a plurality of connection terminals may also be connected to the driving circuit of the two serially connected lighting lamps, and at least one impedance branch of the plurality of connection terminals is connected to the driving circuit.
As shown in fig. 7(c), (d), (e), (f), in some embodiments, the two illumination lamps 202 may be disposed in different driving circuits. Specifically, the driving power supply 201 may include at least two sets of output terminals (a1, a2) and (a1, a3), and two ends of the two illumination lamps 202 are respectively coupled to the two sets of output terminals (a1, a2) and (a1, a3) of the driving power supply 201 to form two driving loops.
In some embodiments, the driving power supply 201 includes a common output a1, each set of outputs of the driving power supply 201 includes the common output a1, and the first terminals of the two illumination lamps 202 are connected to the common output a 1.
As shown in fig. 7(c), in some embodiments, the lighting device 200 may include one of the connection terminals 203, and the one connection terminal 203 may include one impedance branch, which is connected in series between the common output terminal a1 of the ballast driving power supply 201 and the first terminals of the two illumination lamps 202, so as to achieve simultaneous adjustment of the operating currents of the two illumination lamps 202. The one terminal 203 may further include two sets of second conductive contacts 2032, each set including two second conductive contacts 2032, the two second conductive contacts 2032 of each set being shorted, the two sets of second conductive contacts 2032 being used to electrically connect the second ends of the two illumination lamps 202 to the two output terminals a2 and a3 of the ballast driving power supply 201, respectively.
As shown in fig. 7(d), in some embodiments, the lighting device 200 may include one of the connection terminals 203, and the one connection terminal 203 may include two impedance branches respectively connected in series between the second ends of the two illumination lamps 202 and the two output ends a2 and a3 of the driving power supply 201. The one connection terminal 203 may further include two second conductive contacts 2032, and second ends of the two second conductive contacts 2032 are shorted to each other for electrically connecting the common output terminal a1 of the driving power supply 201 and the first ends of the two illumination lamps 202.
As shown in fig. 7(e), in some embodiments, the lighting device 200 may include two of the connection terminals 203a and 203b, wherein the first connection terminal 203a may include one impedance branch, and the second connection terminal 203b may include two impedance branches, the first connection terminal 203a may be connected in series between the common output terminal a1 of the driving power supply 201 and the first ends of the two lighting lamps 202a and 202b, one impedance branch of the second connection terminal 203b is connected in series between the second end of the lighting lamp 202a and the output terminal a2 of the driving power supply 201, and the other impedance branch of the second connection terminal 203b is connected in series between the second end of the lighting lamp 202b and the output terminal a3 of the driving power supply 201, so that two impedance branches are connected in series in the driving circuit of each lighting lamp.
As shown in fig. 7(f), in some embodiments, the lighting device 200 may include three of the connection terminals 203a, 203b, and 203c, each of which may include an impedance branch, wherein the first connection terminal 203a and the second connection terminal 203b are connected to a driving circuit of the lighting lamp 202a, and the first connection terminal 203a and the third connection terminal 203c are connected to a driving circuit of the second lighting lamp 202 b.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an illumination device 300 according to another embodiment of the present invention. In some embodiments, the illumination apparatus 300 may include: a driving power supply 301, three illumination lamps 302 and one or more connection terminals 303. The present embodiment is applicable to a three-lamp lighting system.
Similar to the embodiment of fig. 7, the driving power supply 301 may include a plurality of sets of output terminals, two terminals of each illuminating lamp 302 are coupled to one set of output terminals to form a driving loop, different illuminating lamps 302 may be disposed in different driving loops, and the plurality of sets of output terminals may have a common terminal a 1.
As shown in fig. 8(a), in some embodiments, the lighting device 300 may include one of the connection terminals 303, and the one connection terminal 303 may include four impedance branches, and the four impedance branches of the one connection terminal 303 are respectively connected to the driving circuits of the three lighting lamps 302.
As shown in fig. 8(b) and (c), the lighting device 300 may include a plurality of the connection terminals 303, each connection terminal 303 may include one or more impedance branches, and a plurality of impedance branches of the plurality of connection terminals 303 are respectively connected to the driving circuits of the three lighting lamps 302.
Referring to fig. 9, fig. 9 is a schematic structural diagram of an illumination device 400 according to another embodiment of the present invention. The lighting device 400 may include: a driving power source 401, four illumination lamps 402, and one or more terminals 403. The present embodiment is applicable to a four-lamp lighting system.
As shown in fig. 9(a), in some embodiments, the four illuminating lamps 402 can be divided into two groups, and two groups of illuminating lamps 402 are respectively coupled to two groups of output terminals of the driving power source 401 to form two driving loops. The two lamps 402 of each group are connected in series in the same driving circuit. The lighting device 400 may include two connection terminals 403 respectively connected to the two driving circuits. Each connection terminal 403 may comprise two impedance branches, which simultaneously connect into the drive circuit.
As shown in fig. 9(b), in some embodiments, two ends of the four illumination lamps 402 are respectively coupled to four sets of output ends of the driving power source 401 to form four driving loops, the four sets of output ends of the driving power source 401 have a common output end a1, the first ends of the four illumination lamps 402 are all connected to the common output end a1, the illumination device 400 may include one of the connection terminals 403, and the one connection terminal 403 may include five impedance branches, which may be respectively connected to the driving loops of the four illumination lamps 402. In other embodiments, the one connection terminal may also include four impedance branches, and the four impedance branches are respectively connected to the driving circuits of the four illumination lamps. In other embodiments, the one connection terminal may include one impedance branch, and the one impedance branch may be connected in series between the common output terminal a1 of the driving power source 401 and the first terminals of the four lighting lamps 402.
As shown in fig. 9(c), in some embodiments, the driving power source 401 includes two common output terminals a1 and a2, the four illuminating lamps 402 can be divided into two groups, the first terminals of the first group of two illuminating lamps 402a are coupled to the first common output terminal a1 of the driving power source 401, the first terminals of the second group of two illuminating lamps 402b are coupled to the second common output terminal a2 of the driving power source 401, and the second terminals of the four illuminating lamps are coupled to the other four output terminals a3, a4, a5 and a6 of the driving power source 401, respectively, so that the four illuminating lamps are respectively disposed in four driving loops. The lighting device 400 may include six connection terminals 403, each of the connection terminals 403 may include an impedance branch, wherein two connection terminals 403 are respectively disposed between the first ends of the group of illumination lamps 402a and the first common output terminal a1 of the driving power source 401 and between the first ends of the other group of illumination lamps 402b and the second common output terminal a2 of the driving power source 401, and the remaining four connection terminals 403 are respectively disposed between the second ends of the four illumination lamps and the other four output terminals a3, a4, a5 and a6 of the driving power source 401.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an illumination device 500 according to another embodiment of the present invention. In some embodiments, the lighting device 500 may include: a driving power supply 501, two illumination lamps 502 and one or more connection terminals 503.
The present embodiment is different from the previous embodiments only in that the lamp tubes of the illumination lamp 502 are single-ended tubes, i.e. the lamp caps are disposed at the same end of the lamp tubes, rather than double-ended tubes, for example, the single-ended tubes may be U-shaped tubes (as shown in fig. 10(a), (b), (c)) or ring-shaped tubes (as shown in fig. 10(d), (e), (f)). The number of the connection terminals 503 included in the lighting device 500, the number of the impedance branches included in each connection terminal 503, the connection manner of the connection terminals 503 in the driving circuit, and the connection manner of the two lighting lamps 502 can all refer to the foregoing embodiments, and are not described herein again.
In other embodiments, the lamps of the illumination lamp 502 may also be single-ended lamps such as H-shaped, double U-shaped, square, spherical, or spiral lamps.
Referring to fig. 11, fig. 11 is a schematic structural diagram of an illumination device 600 according to another embodiment of the present invention. In some embodiments, the lighting device 600 may comprise: a driving power source 601, an illumination lamp 602, and two connection terminals 603a and 603 b.
The driving power supply 601 may include two sets of output terminals: a first set of outputs (a1, a4) and a second set of outputs (a2, a3), the first set of outputs (a1, a4) being coupled to two first lamp pins 6021a of the illumination lamp 602, respectively, and the second set of outputs (a2, a3) being coupled to two second lamp pins 6021b of the illumination lamp 602, respectively.
Referring to fig. 12 in combination, fig. 12 is a schematic diagram of a structure of an illumination lamp 602 according to the embodiment of the present invention shown in fig. 11, in which fig. 12(a) shows an internal structure of the illumination lamp 602, and fig. 12(b) and (c) show schematic diagrams of circuit structures of two dc conversion circuits of the illumination lamp 602. In some embodiments, the illumination lamp 602 may include a lamp pin 6021, a lamp cap 6029, a lamp tube 6022, and a lamp plate 6023, wherein the lamp plate 6023 is disposed within the lamp tube 6022, and the lamp plate 6023 is disposed with a plurality of light emitting elements.
The illumination lamp 602 of the present embodiment is different from the illumination lamp of the previous embodiment in that the illumination lamp 602 includes a first light emitting element 6024a and a second light emitting element 6024b having different color temperatures. In some embodiments, the first light emitting elements 6024a and the second light emitting elements 6024b may be alternately arranged. The first light emitting element 6024a may be adapted to emit white light and the second light emitting element 6024b may be adapted to emit red light. Accordingly, the lamp foot 6021 may include: two first lamp pins 6021a respectively arranged at two ends of the lamp tube 6022; and two second lamp pins 6021b respectively disposed at two ends of the lamp tube 6022. The two first lamp pins 6021a are respectively coupled to two ends of the first light emitting element 6024a through the lamp plate 6023, and the two second lamp pins 6021b are respectively coupled to two ends of the second light emitting element 6024b through the lamp plate 6023.
As shown in fig. 12(a), in some embodiments, the illumination lamp 602 further includes two dc conversion circuits: a first dc conversion circuit 6025a and a second dc conversion circuit 6025b, where the first dc conversion circuit 6025a and the second dc conversion circuit 6025b may be respectively disposed at two ends of the lamp panel 6023. With combined reference to fig. 12(b) and (c), fig. 12(b) and (c) respectively show circuit structure schematic diagrams of the second dc conversion circuit 6025b and the first dc conversion circuit 6025a, wherein the first dc conversion circuit 6025a is adapted to convert an alternating current into a direct current, two input terminals of the first dc conversion circuit 6025a may be coupled to the two first lamp pins 6021a respectively and thus coupled to the first group of output terminals (a1, a4) of the driving power supply 601, and two output terminals of the first dc conversion circuit 6025a may be coupled to two terminals of the first light emitting element 6024a through the lamp plate 6023 so as to provide a stable direct current to the first light emitting element 6024a and drive the first light emitting element 6024a to emit light. The second dc conversion circuit 6025b is adapted to convert ac power into dc power, two input terminals of the second dc conversion circuit 6025b may be coupled to the two second lamp pins 6021b, respectively, so as to be coupled to the second set of output terminals (a2, a3) of the driving power source 601, and two output terminals of the second dc conversion circuit 6025b may be coupled to two terminals of the second light emitting element 6024b through the lamp plate 6023, so as to provide stable dc power to the second light emitting element 6024b, so as to drive the second light emitting element 6024b to emit light.
With continued reference to fig. 11, a first set of outputs (a1, a4) of the driving power supply 601 is coupled to both ends of the first light emitting element 6024a via two first lamp pins 6021a to form a first driving loop, and a second set of outputs (a2, a3) of the driving power supply 601 is coupled to both ends of the second light emitting element 6024b via two second lamp pins 6021b to form a second driving loop.
In some embodiments, the lighting device 600 may include a first connection terminal 603a and a second connection terminal 603b, and the first connection terminal 603a and the second connection terminal 603b may each include an impedance branch, wherein the first connection terminal 603a may be connected to the first driving loop and the second connection terminal 603b may be connected to the second driving loop.
In some embodiments, the lighting device 600 may also include only one of the connection terminals 603 (as shown by the dashed box in fig. 11), and the one connection terminal 603 may include two impedance branches, one impedance branch of the one connection terminal 603 being connected to the first driving circuit, and the other impedance branch being connected to the second driving circuit.
Since the connection terminals are provided in the driving circuits of the first light-emitting element 6024a and the second light-emitting element 6024b, the operating currents of the first light-emitting element 6024a and the second light-emitting element 6024b can be adjusted. By connecting terminals having specific impedances to the first driving circuit and the second driving circuit, respectively, the output lumens of the first light emitting element 6024a and the second light emitting element 6024b can be set, respectively, thereby realizing the setting of the overall color temperature of the illumination lamp 602.
The lighting device of this embodiment can implement setting of the color temperature and the output lumen of the lighting lamp 602 by connecting the terminal with different impedances to the driving circuit of the lighting lamp, so as to adapt to different requirements of different application scenes on the lighting illumination and the color temperature of the lamp light. For some occasions requiring high illumination and white light, such as workplaces or operating tables, the connection terminal with relatively small impedance can be connected in series in the driving loop of the first light-emitting element emitting white light, and the connection terminal with relatively large impedance can be connected in series in the driving loop of the second light bead emitting red light, so that the illuminating lamp 602 outputs mixed light with high lumens and color temperature close to white light; for some applications requiring low illumination and soft light, such as a coffee shop or a bedroom, a terminal with relatively large impedance may be connected in series in the driving circuit of the first light-emitting element emitting white light, and a terminal with relatively small impedance may be connected in series in the driving circuit of the second light-emitting element emitting red light, so that the illumination lamp 602 outputs mixed light with low lumens and a color temperature close to yellow light.
The wiring terminal and the lighting device of the embodiment of the invention can be applied to L ED lamps, including but not limited to grille lamp (Troffer), industrial and mining lamp (highBay), low bay lamp (L owBay), ceiling lamp (Pendant) and various embedded lamps.
The driving power supply in the lighting device of the above embodiment of the present invention may be L ED ballast, and the lighting lamps may be L ED lamps.
In summary, the connection terminal according to the embodiment of the present invention includes at least one impedance branch, and since the impedance branch includes two first conductive connectors and one or more impedance elements connected in series between the two first conductive connectors, when the connection terminal is connected to a circuit through the two first conductive connectors, the impedance elements can adjust a current of the connected circuit. In practical application, the working current of the accessed circuit can be set by configuring the wiring terminal with specific impedance; by configuring a plurality of connecting terminals with different impedances and selecting the connecting terminal connected into the circuit, the field setting of the working current of the connected circuit can be realized, and the connecting terminal can be used for modifying and installing lamps in a lighting circuit.
Furthermore, the impedance element comprises a capacitor, after the wiring terminal is connected into the circuit, the capacitor element does not increase extra electric energy loss for the circuit, and in addition, the capacitor has small volume and low cost, so that the impedance element using the capacitor as the wiring terminal has great practical value.
Further, the wiring terminal also comprises at least one second conductive joint, the second conductive joint and the first conductive joint are disconnected or shorted, and when the wiring terminal is connected into a circuit through the first conductive joint and the second conductive joint, the corresponding circuit can be controlled to be disconnected or connected; or, the wiring terminal also comprises a plurality of second conductive joints, the second conductive joints are disconnected or short-circuited, and when the wiring terminal is connected into a circuit through the second conductive joints, the corresponding circuit can be controlled to be disconnected or connected. Therefore, the wiring terminal comprises various types of conductive connectors, when the wiring terminal is connected into a circuit through different types of conductive connectors, different functions can be achieved, and the integration level of the wiring terminal is improved.
The embodiment of the invention also provides lighting equipment which comprises a driving power supply, a lighting lamp and the wiring terminal of the embodiment of the invention, wherein the output end of the driving power supply is coupled with two ends of the lighting lamp to form a driving loop, and two first conductive connectors of at least one impedance branch of the wiring terminal are connected into the driving loop to adjust the working current of the lighting lamp, so that the output lumen of the lighting lamp is adjusted. In practical application, a manufacturer can produce wiring terminals with various specifications, and lamp installation or maintenance personnel only need to directly insert an electrical connecting wire between a driving power supply and an illuminating lamp into a first conductive connector of the wiring terminal with the corresponding specification, so that on-site setting of illumination intensity of the illuminating lamp can be conveniently, quickly and safely realized, different requirements of different environments on the illumination intensity can be met, and the lamp is particularly suitable for large-scale installation and transformation of illuminating lamps.
The lighting equipment of the embodiment of the invention finishes the regulation of the lumen output of the lighting lamp by connecting the wiring terminals with different specifications, and has the advantages that firstly, the scheme greatly reduces the requirements on the product specifications of the lighting lamp and the driving power supply, and can easily meet the requirement on large-scale lighting as only a small number of specifications of the lighting lamp and the driving power supply are matched with the wiring terminals with various specifications, thereby greatly saving the production stocking and inventory management costs of manufacturers and engineers, secondly, because the cost and the size of the wiring terminals are very small, the stocking is very easy, the matching problem between the lighting lamp and the driving power supply is flexibly solved, and thirdly, compared with the programmable L ED driving power supply, the wiring terminals are used without providing higher occupational skill requirements on workers for installing the lamp on site, the use method of the wiring terminal is the same as that of the traditional lamp, and the wiring method is beneficial to the popularization of new technology.
Further, the impedance element of the wiring terminal is connected with the illuminating lamp in series, so that the wiring terminal can be conveniently connected into a driving circuit of the illuminating lamp, and the accurate adjustment of the working current of the illuminating lamp can be realized.
Further, the lighting device may include a plurality of lighting lamps, and the plurality of lighting lamps may be connected in series in the same driving loop, and at this time, the adjustment of the working current and the output lumens of all the lighting lamps may be realized by connecting at least one impedance branch in the driving loop. Wherein, the connection of at least one impedance branch in the driving circuit can be realized by connecting one or more connection terminals.
Further, the lighting device may include a plurality of lighting lamps, the plurality of lighting lamps may be respectively disposed in a plurality of driving loops, and at this time, the impedance branches need to be respectively connected to each driving loop, so as to respectively adjust the working currents of the plurality of lighting lamps. The impedance branches are respectively connected into each driving loop, so that the impedance branches can be realized through a plurality of impedance branches of one wiring terminal, and the integration level of the wiring terminal is improved; the impedance branch circuit can be realized through respective impedance branch circuits of a plurality of wiring terminals, and the flexibility of assembly and modification is improved.
Furthermore, the illuminating lamp comprises a first light-emitting element and a second light-emitting element which have different color temperatures, the first light-emitting element and the second light-emitting element are respectively arranged in the first driving loop and the second driving loop, and at the moment, the two driving loops are respectively connected with the impedance branches, so that the working currents of the two light-emitting elements are respectively adjusted, and the integral color temperature of the illuminating lamp is set or adjusted. The impedance branches are respectively connected into the two driving circuits, so that the two impedance branches of one wiring terminal can be connected, and the integration level of the wiring terminal is improved; the impedance branch circuit can be realized through respective impedance branches of the two wiring terminals, and the flexibility of assembly and transformation is improved.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (19)

1. A terminal, comprising: at least one impedance branch, the impedance branch comprising:
one or more impedance elements; and
two first electrically conductive connectors, each first electrically conductive connector having a first end and a second end, the first ends of the two first electrically conductive connectors being adapted to be coupled to a driving power source and a lighting lamp, respectively, and the second ends of the two first electrically conductive connectors being coupled to two ends of the one or more impedance elements, respectively.
2. The connection terminal of claim 1, wherein the impedance element comprises a capacitor.
3. A terminal as claimed in claim 2, wherein the impedance element has a capacitance in the range 33pF to 63 nF.
4. The connection terminal of claim 1, wherein the impedance branch includes a plurality of impedance elements connected in series or in parallel between the two first conductive contacts.
5. The connection terminal of claim 1, further comprising:
a terminal body made of an insulating material, the impedance element and the first conductive contact being disposed within the terminal body, a first end of the first conductive contact having a port exposed outside the terminal body.
6. The wire connecting terminal of claim 5, wherein the ports of the first ends of the two first conductive contacts are disposed at the same end of the terminal body; or
The ports of the first ends of the two first conductive connectors are respectively arranged at the two ends of the terminal body.
7. The connection terminal of claim 1, further comprising: the first end of the first conductive joint and the first end of the second conductive joint are suitable for being respectively connected with a driving power supply and an illuminating lamp or respectively connected with the illuminating lamp and the driving power supply.
8. The connection terminal of claim 1, further comprising: the first ends of at least two second conductive joints are suitable for being respectively connected with a driving power supply and an illuminating lamp, and the second ends of the two second conductive joints are disconnected or shorted.
9. A terminal according to claim 1, 7 or 8, wherein the drive power supply is adapted to output AC power and the illumination lamp is adapted to be driven by AC power.
10. An illumination device, comprising:
a driving power source, an illumination lamp, and the connection terminal according to any one of claims 1 to 9;
the input end of the driving power supply is suitable for being connected to an alternating current power grid, the output end of the driving power supply is coupled with two ends of the illuminating lamp to form a driving circuit, and two first conductive connectors of at least one impedance branch of the wiring terminal are connected to the driving circuit.
11. A lighting device as recited in claim 10, wherein an impedance element between the two first electrically conductive connections of said impedance branch is connected in series with said illumination lamp.
12. The illumination device according to claim 10, wherein the driving power source is adapted to output an alternating current, the illumination lamp comprising: the LED driving circuit comprises a direct current conversion circuit and a light-emitting element, wherein the input end of the direct current conversion circuit is coupled with the output end of the driving power supply, the output end of the direct current conversion circuit is coupled with two ends of the light-emitting element, and the direct current conversion circuit is suitable for converting alternating current into direct current.
13. A lighting device as recited in claim 10, wherein the impedance of the impedance element of said electrical terminals is determined by the output lumens of said illumination lamp.
14. The lighting apparatus according to claim 10, wherein the lighting apparatus comprises a plurality of lighting lamps, the plurality of lighting lamps being connected in series in the driving circuit;
the lighting device comprises one or more of the connection terminals, and at least one impedance branch of the one or more connection terminals is connected into the driving loop.
15. The illumination device according to claim 10, wherein the illumination device comprises a plurality of illumination lamps, the driving power supply comprises a plurality of sets of output terminals, and two ends of the plurality of illumination lamps are respectively coupled with the plurality of sets of output terminals of the driving power supply to form a plurality of driving loops;
the lighting device comprises one of the wiring terminals, one of the wiring terminals comprises a plurality of impedance branches, the plurality of impedance branches of one of the wiring terminals are respectively connected into the plurality of driving circuits, or the lighting device comprises a plurality of the wiring terminals, and the impedance branches of the plurality of the wiring terminals are respectively connected into the plurality of driving circuits.
16. The illumination device as recited in claim 15 wherein the driver power supply comprises a common output, each set of outputs of the driver power supply comprises the common output, one end of the plurality of lamps is connected to the common output, the illumination device comprises one of the terminals, and an impedance branch of the one terminal is connected in series between the common output of the driver power supply and one end of the plurality of lamps.
17. The lighting apparatus of claim 10, wherein the lamp comprises a tube comprising a double-ended or single-ended tube, the double-ended tube comprising a straight tube, the single-ended tube comprising a U-shaped, a ring-shaped, an H-shaped, a double U-shaped, a square, a ball-shaped, or a spiral tube.
18. The illumination apparatus according to claim 10, wherein the illumination lamp includes a first light emitting element and a second light emitting element having different color temperatures;
the driving power supply comprises a first group of output ends and a second group of output ends, the first group of output ends are coupled with two ends of the first light-emitting element to form a first driving loop, and the second group of output ends are coupled with two ends of the second light-emitting element to form a second driving loop;
the lighting device comprises one of the wiring terminals, each wiring terminal comprises at least two impedance branches, the two impedance branches of each wiring terminal are respectively connected into the first driving circuit and the second driving circuit, or the lighting device comprises two wiring terminals, and the impedance branches of the two wiring terminals are respectively connected into the first driving circuit and the second driving circuit.
19. The illumination device of claim 18, wherein the illumination lamp further comprises:
a first direct current conversion circuit, an input end of the first direct current conversion circuit being coupled to an output end of the driving power supply, an output end of the first direct current conversion circuit being coupled to both ends of the first light emitting element, the first direct current conversion circuit being adapted to convert an alternating current into a direct current; and
and the input end of the second direct current conversion circuit is coupled with the output end of the driving power supply, the output end of the second direct current conversion circuit is coupled with two ends of the second light-emitting element, and the second direct current conversion circuit is suitable for converting alternating current into direct current.
CN201811620119.3A 2018-12-27 2018-12-27 Connecting terminal and lighting equipment Pending CN111396839A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811620119.3A CN111396839A (en) 2018-12-27 2018-12-27 Connecting terminal and lighting equipment
US16/275,606 US10871280B2 (en) 2018-12-27 2019-02-14 Connection terminal and illumination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811620119.3A CN111396839A (en) 2018-12-27 2018-12-27 Connecting terminal and lighting equipment

Publications (1)

Publication Number Publication Date
CN111396839A true CN111396839A (en) 2020-07-10

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Family Applications (1)

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CN201811620119.3A Pending CN111396839A (en) 2018-12-27 2018-12-27 Connecting terminal and lighting equipment

Country Status (1)

Country Link
CN (1) CN111396839A (en)

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