CN211236116U - Load device based on light emitting diode - Google Patents
Load device based on light emitting diode Download PDFInfo
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- CN211236116U CN211236116U CN201921551728.8U CN201921551728U CN211236116U CN 211236116 U CN211236116 U CN 211236116U CN 201921551728 U CN201921551728 U CN 201921551728U CN 211236116 U CN211236116 U CN 211236116U
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Abstract
The utility model discloses a load device based on emitting diode, include: the LED lamp comprises a control panel, an LED lamp panel and a connecting module; the control panel is used for controlling the quantity of the light-emitting diodes serving as loads in the light-emitting diode lamp panel according to input electric signals. The utility model discloses a set up control module, can be according to the quantity of the emitting diode as the load in the electric signal control emitting diode lamp plate of input to realize the load adjustment, thereby can match the electric current and the voltage of different specifications, reduced the waste of space and cost resource to a certain extent.
Description
Technical Field
The embodiment of the utility model provides a relate to load circuit technique, especially relate to a load device and load device based on emitting diode.
Background
A load device (e.g., an LED Light bar) based on a Light Emitting Diode (LED) can simulate an LED lamp in a real product during development, debugging, testing, or maintenance of the real product. For example, in the development process of a power supply constant current board of a liquid crystal television, an LED light bar can simulate a backlight source in the liquid crystal television and is connected to the power supply constant current board.
At present, in the development, debugging, testing or maintenance process of real products, the current and voltage specifications of required loads are constantly changed, so that load devices matched with currents and voltages of various specifications need to be arranged, and waste of space and cost resources is caused.
Disclosure of Invention
In view of this, the utility model provides a load device based on emitting diode can match the electric current and the voltage of different specifications, has reduced the waste of space and cost resource to a certain extent.
An embodiment of the utility model provides a load device based on emitting diode, include: the LED lamp comprises a control panel, an LED lamp panel and a connecting module;
the control panel is used for controlling the quantity of the light-emitting diodes serving as loads in the light-emitting diode lamp panel according to input electric signals.
Optionally, the control panel is provided with a control channel, and the control channel includes a power access cathode, a power access anode and a switch control unit;
the LED lamp panel is provided with an LED lamp string which comprises at least two LEDs connected in series, one end of the lamp string end, which is the cathode of the LED, is taken as the first end of the LED lamp panel, one end of the lamp string end, which is the anode of the LED, is taken as the second end of the LED lamp panel, and the cathode of a preset LED in the LED lamp string is taken as the third end of the LED lamp panel;
the connecting module comprises a first connecting unit, a second connecting unit and a third connecting unit;
the power supply access negative electrode is electrically connected with the first end of the switch control unit and the first end of the light-emitting diode lamp panel through the first connecting unit; the power supply access anode is electrically connected with the second end of the light-emitting diode lamp panel through the second connecting unit; and the second end of the switch control unit is electrically connected with the third end of the light-emitting diode lamp panel through the third connecting unit.
Optionally, the control channel further includes a resistor;
the resistor is connected in series between the power supply access negative electrode and the first end of the switch control unit and between the first connecting unit and the second connecting unit; or, the resistor is connected in series between the power supply access positive electrode and the second connecting unit.
Optionally, the control panel is provided with at least two control channels, and the control channels are independent from each other;
the LED lamp panel is provided with at least two LED lamp strings, and the LED lamp strings are independent from each other; each control channel corresponds to each light-emitting diode lamp string one by one;
correspondingly, each control channel further comprises a negative electrode expansion interface and a positive electrode expansion interface;
the power supply access negative electrode is electrically connected with the first end of the switch control unit and the first connecting unit through the negative electrode expansion interface; the power supply access anode is electrically connected with the second connecting unit through the anode extension interface.
Optionally, the connection module is a pin socket.
Optionally, the switch control unit is a dial switch.
Optionally, the control panel and the led lamp panel are fixedly connected to form a combined panel, one surface of the combined panel is the control panel, and the other surface is the led lamp panel;
the load device comprises at least two combined plates, and the at least two combined plates are spliced through the splicing module.
Optionally, the load device includes at least three combination boards, and the at least three combination boards are spliced to form a cylindrical side surface, wherein the outer surface of the cylindrical side surface is a control board, and the inner surface of the cylindrical side surface is a light emitting diode lamp panel;
the load device further comprises a heat dissipation fan, and the heat dissipation fan is arranged on the end face of the cylindrical body.
Optionally, the end face of the cylindrical body is further provided with a louver.
The utility model discloses a load device based on emitting diode, include: the LED lamp comprises a control panel, an LED lamp panel and a connecting module; the control panel is electrically connected with the light-emitting diode lamp panel through the connecting module, and the control panel is used for controlling the quantity of the light-emitting diodes serving as loads in the light-emitting diode lamp panel according to input electric signals. The utility model discloses a set up control module, can be according to the quantity of the emitting diode as the load in the electric signal control emitting diode lamp plate of input to realize the load adjustment, thereby can match the electric current and the voltage of different specifications, reduced the waste of space and cost resource to a certain extent.
Drawings
Fig. 1 is a block diagram illustrating a load device based on a light emitting diode according to an embodiment of the present invention;
fig. 2a is a schematic circuit diagram of a control channel in a control board in a load device based on light emitting diodes according to an embodiment of the present invention;
fig. 2b is a schematic circuit diagram of a light emitting diode string in a light emitting diode lamp panel in a light emitting diode-based load device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a load device based on a light emitting diode according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a block diagram of a load device based on a light emitting diode according to an embodiment of the present invention. Referring to fig. 1, an embodiment of the present invention provides a load device based on a light emitting diode, including: the LED lamp comprises a control panel 10, an LED lamp panel 20 and a connecting module 30;
wherein, control panel 10 is connected with emitting diode lamp plate 20 electricity through connection module 30, and control panel 10 is arranged in according to the signal of telecommunication of input, controls the quantity of emitting diode as the load in emitting diode lamp plate 20.
At present, the Light Emitting Diodes (LEDs) in different products have different operating voltages and currents, i.e., different electrical signals need to be connected. In the development, debugging, testing or maintenance process of real products, when the load device (which can be simply referred to as a load device) based on the light-emitting diode provided by the embodiment is applied to simulate the LED lamps in different products, the number of the LEDs serving as loads in the light-emitting diode lamp panel can be controlled by the control panel. When the number of the LEDs serving as the load is changed, the voltage and the current for normal work of the load device are also changed, so that the simulation of the LED lamps in different products is realized, the load device matched with the current and the voltage of various specifications is not required to be arranged, the waste of space resources is reduced to a certain extent, and the cost is reduced.
Illustratively, the backlight source in the liquid crystal television is connected with a power supply constant current board. In the development process of the liquid crystal television, the load device provided by the embodiment can be used for simulating a backlight source and is connected with the power supply constant current board. When the power supply constant current board outputs voltages and currents with different specifications (namely input electric signals are different), the quantity of LEDs serving as loads in the LED lamp panel can be controlled through the control panel to realize load adjustment, so that the power supply constant current board can be matched with the power supply constant current board to output voltages and currents with different specifications.
Wherein, the plate of control panel can select RF-4 panel for use to improve the security of control panel. Wherein, aluminium base board can be chooseed for use to the panel of emitting diode lamp plate to help LED lamp pearl heat dissipation on the emitting diode lamp plate. The aluminum substrate may be, for example, a single-layer aluminum substrate, which is lower in price and cost than a double-layer aluminum substrate. Wherein, can set up on the emitting diode lamp plate and predetermine a quantity of LED lamp pearl, for example can set up 30, 50 or 100, can set up a quantity of LED lamp pearl of difference according to different application scenarios, do not do specifically and restrict here. The specifications of the LED lamp beads arranged on the LED lamp panel can be the same, for example, the LED lamp beads can be working current 1A and working voltage 3.3V, different specifications of the LED lamp beads can be set according to different application scenes, and specific limitation is not made here.
Optionally, the connection module 30 is a pin socket. The control board and the light-emitting diode lamp panel can be inserted into corresponding needle type sockets through wires, and electric signals on the two boards are conducted, so that the control of the quantity of LEDs serving as loads in the light-emitting diode lamp panel by the control board is realized.
Optionally, the control panel 10 is provided with a control channel, and the control channel includes a power access cathode 11, a power access anode 12 and a switch control unit 13; the light-emitting diode lamp panel 20 is provided with a light-emitting diode string, the light-emitting diode string comprises at least two light-emitting diodes which are connected in series, one end of the light string, which is the cathode of the light-emitting diode, is taken as a first end 21 of the light-emitting diode lamp panel 20, one end of the light string, which is the anode of the light-emitting diode, is taken as a second end 22 of the light-emitting diode lamp panel 20, and the cathode of a preset light-emitting diode in the light-emitting diode string is taken as a third end 23 of the; the connection module 30 includes a first connection unit 31, a second connection unit 32, and a third connection unit 33; the power access cathode 11 is electrically connected with a first end of the switch control unit 13 and a first end 21 of the led lamp panel 20 through a first connection unit 31; the power access anode 12 is electrically connected to the second end 22 of the led lamp panel 20 through the second connection unit 32; a second end of the switch control unit 13 is electrically connected to a third end of the led lamp panel 20 through a third connection unit 33.
The power supply access cathode and the power supply access anode can be pin type sockets. When an external power supply is connected with the load device, the negative electrode of the power supply can be connected with the pin socket of the negative electrode of the power supply through a lead, and the positive electrode of the power supply is connected with the pin socket of the positive electrode of the power supply, so that the power supply of the load device is realized.
Optionally, the switch control unit 13 is a dial switch. The dial switch is a micro switch which needs to be manually operated, a plurality of toggle keys can be arranged on the dial switch, and the toggle keys are mutually independent. Each toggle key corresponds to two pins, when the toggle key is toggled to an ON state, the two pins corresponding to the toggle key are switched ON, and otherwise, the toggle key is switched off. By toggling the dial switch, the quantity of the LED lamp beads connected with the circuit in the LED lamp panel can be adjusted, and the control of the control panel on the quantity of the LEDs serving as loads in the LED lamp panel is realized.
Wherein at least two LEDs in the light emitting diode string are connected in series. Among the head and tail ends of the lamp string, one end of the lamp string, which is the cathode of the LED, is used as the first end of the light-emitting diode lamp panel, and the other end of the lamp string, which is the anode of the LED, is used as the second end of the light-emitting diode lamp panel. The negative electrode of the LED preset in the string light can be pulled out through a wire to serve as the third end of the light emitting diode lamp panel, and the third end capable of emitting the secondary light can comprise a plurality of leads. The number of the LED lamps connected in series in the string lights and the number of the selected preset LEDs can correspond to the preset load specification range of the load equipment.
Illustratively, if the preset load specification of the load device is 20V-100V, and the specification of the LED lamp beads is 3.3V, the light string at least includes 31 LED lamp beads, and 6 LEDs of the light string may be selected without pulling the negative electrode as the third end of the LED lamp panel, preferably, the 7 th LED may be started, and the negative electrode of the LED may be pulled out through a wire as the third end of the LED lamp panel, so that the flat cable may be neater.
The first connection unit, the second connection unit and the third connection unit may all be pin sockets. The pin sockets of the first connection unit and the second connection unit can be single pin sockets and are respectively used for connecting the negative electrode of the power supply and the negative electrode of the LED at the string light end, and the positive electrode of the power supply and the positive electrode of the LED at the string light end. The number of pins of the third connecting unit needs to correspond to the number of pins of the dial switch.
Exemplarily, when the dial switch is a dial switch including 12 toggle keys and the third connection unit is a pin socket having 6 pins, two third connection units need to be disposed so that the pins of the dial switch can correspond to the pins of the pin socket one to one, and then the electrical signal passing through the dial switch can be conducted to the third end of the light emitting diode lamp panel to control the number of LEDs connected in the string light.
Wherein, can set up a plurality of switch control units in the control channel, and the stitch quantity of third connecting element need be the same with switch control unit's stitch quantity, and the stitch quantity of third connecting element is also the same with the lead wire quantity of emitting diode's third end simultaneously. For example, when two thin code switches including 12 toggle keys are arranged in the control channel, 4 pin sockets with 6 pins can be arranged as a third connecting unit, 24 LEDs in a lamp string on a light emitting diode lamp panel are simultaneously selected, and the negative electrodes of the 24 LEDs are pulled out through a lead to serve as a third end of the light emitting diode.
Optionally, the control channel further includes a resistor R; the resistor R is connected in series between the power access cathode 11 and the first end of the switch control unit 13, and the first connection unit 31; alternatively, the resistor R is connected in series between the power supply access positive electrode 12 and the second connection unit 32.
The resistor R is a precision resistor, for example, a 1 ohm precision resistor, and the voltage at the two ends of the resistor R can be measured by a multimeter, so as to calculate the current value, thereby adjusting the input current of the load device.
Optionally, the control panel 10 is provided with at least two control channels, and each control channel is independent from each other; the led lamp panel 20 has at least two led strings, and each led string is independent of each other; wherein, each control channel corresponds to each LED lamp string one by one; correspondingly, each control channel further comprises a negative electrode expansion interface 14 and a positive electrode expansion interface 15; wherein, the power supply access cathode 11 is electrically connected with the first end of the switch control unit 13 and the first connection unit 31 through the cathode extension interface 14; the power-on positive electrode 12 is electrically connected with the second connection unit 32 through the positive electrode extension interface 15.
The control channels are used independently, and each control channel can correspondingly control one LED lamp string. When the light string controlled by the control channel can not match the specification of the load current or voltage, the load current or the load voltage can be expanded through the negative electrode expansion interface or the positive electrode expansion interface, so that the specification ranges of the load voltage and the load current matched with the load device can be expanded. The negative electrode expansion interface and the positive electrode expansion interface can be pin type sockets. The control channels can be connected in parallel by connecting the positive electrode expansion interfaces of the control channels with each other and connecting the negative electrode expansion interfaces with each other, so that the specification of the load current is increased; the control channels can be connected in series by sequentially connecting the anode expansion interface of one control channel and the cathode expansion interface of the other control channel in the plurality of control channels, so that the specification of the load voltage is increased.
Illustratively, when one light string comprises 31 LED lamp beads, the specifications of the LED lamp beads are working current 1A and working voltage 3.3V, the load current of the load device is 1A, and the maximum value of the load voltage is 102.3V. When the input voltage is larger than 102.3V and smaller than 204.6V, the positive electrode expansion interface of one control channel in the two control channels can be connected with the negative electrode expansion interface of the other control channel, so that the two control channels are connected in series, and the maximum load voltage is increased to 204.6V. When the input current is 2A, the control channels can be connected in parallel by connecting the positive expansion interfaces and the negative expansion interfaces of the two control channels to each other, so that the load current is increased to 2A.
For example, fig. 2a is a schematic circuit diagram of a control channel in a control board in a load device based on light emitting diodes according to an embodiment of the present invention. Referring to fig. 2a, an embodiment of the present invention provides a control panel 10 in a load device based on leds, which is provided with two control channels, each control channel is independent from another, and can correspond to each led string in the led lamp panel. Each control channel is provided with a power access cathode 11, a cathode expansion interface 14, a power access anode 12, an anode expansion interface 15, a resistor R, two switch control units 13, a first connecting unit 31, a second connecting unit 32 and a third connecting unit 33.
The power supply access cathode 11, the cathode expansion interface 14, the power supply access anode 12 and the anode expansion interface 15 can be pin sockets; the resistor R can be a 1 ohm precision resistor; the switch control unit 13 may be a dial switch including 12 toggle keys; the first connection unit 31, the second connection unit 32 and the third connection unit 33 may be pin sockets, and the pin socket corresponding to the third connection unit 33 is a 6-pin socket, and four 6-pin sockets are disposed in the corresponding third connection unit to correspond to pins of the two switch control units 13 one to one.
The power supply access negative electrode 11 is electrically connected with a first end of the switch control unit 13, the first connecting unit 31 is electrically connected through a wire (such as a printed wire), and the first connecting unit 31 is electrically connected with the LED negative electrode end of the light string in the light emitting diode lamp panel; the negative electrode expansion interface 14 and the resistor R can be connected in series between the power supply access negative electrode 11 and the switch control unit 13; the power supply access anode 12 is electrically connected with the second connection unit 32 through a wire (such as a printed wire), and the second connection unit 32 is electrically connected with the LED anode of the light string in the LED lamp panel; the positive expansion interface 15 can be connected in series between the power access positive electrode 12 and the second connection unit 32; the second end of the switch control unit 13 is electrically connected to the third connection unit 33 through a wire (e.g., a printed wire), and the third connection unit 33 is electrically connected to a negative electrode of a preset LED in the light-emitting diode panel.
When an external power supply is connected with the load device, the negative electrode of the power supply can be connected with the pin socket of the negative electrode of the power supply through a lead, and the positive electrode of the power supply is connected with the pin socket of the positive electrode of the power supply, so that the power supply of the load device is realized. According to the input current and voltage specification of the external power supply, the dial switch corresponding to the switch control unit can be toggled to adjust the number of the LED lamp beads connected into the circuit in the LED lamp panel, and therefore the control of the control panel on the number of the LEDs serving as loads in the LED lamp panel is achieved. When the light string controlled by the control channel can not match the specification of the load current or voltage, the load current or the load voltage can be expanded through the negative electrode expansion interface or the positive electrode expansion interface, so that the specification ranges of the load voltage and the load current matched with the load device can be expanded. The extension modes of the load voltage and the load current can be referred to the above explanation, and are not described herein.
For example, fig. 2b is a schematic circuit diagram of a light emitting diode string in a light emitting diode lamp panel in a load device based on a light emitting diode according to an embodiment of the present invention. Referring to fig. 2b, the embodiment of the present invention provides a light emitting diode lamp panel 20 in a light emitting diode-based load device, wherein two light emitting diode lamp strings are provided, and each light string is independent from each other and can be controlled by each corresponding control channel on the control board. Wherein, be provided with 31 LED lamp pearls on every lamp cluster, and each lamp pearl is connected in series. Among the two ends of the string, the end that is the cathode of the LED may be used as the first end 21 of the LED lamp panel 20, and the end that is the anode of the LED may be used as the second end 22 of the LED lamp panel 20. Wherein, can begin from the 7 th LED in the lamp cluster, draw out LED's negative pole through the wire, as the third end 23 of emitting diode lamp plate 20, this third end 23 of emitting light secondary light lamp plate 20 can contain 24 leads promptly.
In addition, the light-emitting diode lamp panel 20 is also provided with a first connection unit 31, a second connection unit 32 and a third connection unit 33, the first connection unit 31, the second connection unit 32 and the third connection unit 33 which are arranged on the light-emitting diode lamp panel 20 correspond to the first connection unit, the second connection unit and the third connection unit which are arranged on the control panel, and it can be understood that the first connection unit 31, the second connection unit 32 and the third connection unit 33 which are arranged on the light-emitting diode lamp panel are electrically connected with the first connection unit, the second connection unit and the third connection unit which are arranged on the control panel one by one.
The specification of the LED lamp bead can be working current 1A and working voltage 3.3V; the first connection unit 31, the second connection unit 32 and the third connection unit 33 may be pin sockets, the pin socket corresponding to the third connection unit 33 is a 6-pin socket, and the corresponding third connection unit is provided with four 6-pin sockets, so as to correspond to the third connection unit provided in fig. 2a one-to-one.
The first connecting unit 31 is electrically connected to the first end 21 of the led lamp panel 20; the second connecting unit 32 is electrically connected to the second end 22 of the led lamp panel 20; the third connecting unit 33 is electrically connected to the third end 23 of the led lamp panel 20.
The quantity of the LED lamp beads connected into the circuit in the LED lamp string can be adjusted through the electric signals input by the connecting unit, and the control of the quantity of the LEDs serving as loads in the LED lamp panel by the control panel is realized.
Optionally, the control panel 10 and the led lamp panel 20 are fixedly connected to form a combined board, and one surface of the combined board is the control panel 10, and the other surface is the led lamp panel 20; the load device comprises at least two combined plates which are spliced through a splicing module.
The fixed connection may be, for example, a bonding connection through a thermal conductive double-sided tape, or a bolt-nut connection, which is not limited herein. Wherein, can understand control panel and emitting diode lamp plate fixed connection as, fix the one side that the control panel does not set up control channel and the one side that the light emitting diode lamp plate does not set up the lamp cluster.
For example, the control board provided in fig. 2a and the led light board provided in fig. 2b may be reversely attached to each other to form a combined board. And can carry out the trompil on the compoboard to set up corresponding connecting module respectively in the control panel and the neighbouring of the same position trompil of emitting diode lamp plate, so that the corresponding connecting module in both sides carries out the electricity and connects, realizes that the signal of telecommunication between control panel and the emitting diode lamp plate switches on.
Through with control panel and the reverse fixed connection of hanging the photodiode lamp plate, can save the space that load device occupy. The combined plates are spliced through the splicing modules, so that the space occupied by the load device can be further saved on the basis of expanding the load voltage and the load current of the load device.
Optionally, the load device includes at least three combination boards, and the at least three combination boards are spliced into a cylindrical side surface, wherein the outer surface of the cylindrical side surface is the control board 10, and the inner surface of the cylindrical side surface is the led lamp panel 20; the load device further comprises a heat dissipation fan 40, and the heat dissipation fan 40 is arranged on the end face of the cylindrical body. Optionally, the end faces of the cylindrical bodies are also provided with louvers 50.
The cylindrical body is, for example, a triangular cylindrical body, a rectangular cylindrical body, or other polygonal cylindrical bodies. The outer surface of the side surface of the cylindrical body can be a control panel, so that the operations of accessing an input electric signal, controlling a control module, connecting an expansion interface and the like are facilitated. The inner surface of the side face of the cylindrical body is the light-emitting diode lamp panel, and the light-emitting diode array plate is high in density and large in heat productivity when connected with a high-current multi-channel power supply constant current plate, so that a heat dissipation fan can be arranged on one or two end faces of the cylindrical body to ensure normal work of the light-emitting diode, and the service life of the light-emitting diode can be prolonged to a certain extent. Wherein, because in the operation processes such as test, the light is very dazzling when emitting diode lights, consequently can solve the dazzling problem of user's light through setting up the shutter at two terminal surfaces of cylindricality body. Wherein, the shutter can be arranged outside the heat radiation fan.
Fig. 3 is a schematic structural diagram of a load device based on a light emitting diode according to an embodiment of the present invention. Referring to fig. 3, in the load device based on the light emitting diode according to the embodiment of the present invention, the load device is a rectangular cylinder formed by splicing four composition boards; wherein, the surface of cylindricality side is control panel 10, and the internal surface of cylindricality side is emitting diode lamp plate 20, and one or two terminal surfaces of cylindricality set up heat dissipation fan 40, and are provided with shutter 50 outside heat dissipation fan, and its assembled relation can be the X axle positive direction that shows in the picture. The control channel provided on the control board 10, the light string provided on the led lamp panel 20, and the connection module 30 connecting the control board 10 and the led lamp panel 20 are not specifically shown, and the schematic structural diagrams thereof can refer to fig. 2a and 2b, and the structures shown in fig. 2a and 2b do not limit the control channel provided on the control board 10, the light string provided on the led lamp panel 20, and the connection module 30 connecting the control board 10 and the led lamp panel 20.
The heat dissipation efficiency of the LED lamp beads is improved by the heat dissipation fan, normal work of the light-emitting diode can be guaranteed, and the service life of the light-emitting diode can be prolonged to a certain extent. The blind window is arranged on the two end faces of the cylindrical body, so that the problem of dazzling light of users can be solved.
The utility model discloses a load device based on emitting diode through setting up control module, can be according to the quantity of the emitting diode of load in the electric signal control emitting diode lamp plate of input to realize the load adjustment, thereby can match the electric current and the voltage of different specifications, reduced the waste of space and cost resource to a certain extent.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (9)
1. A light emitting diode-based load device, comprising: the LED lamp comprises a control panel, an LED lamp panel and a connecting module;
the control panel is used for controlling the quantity of the light-emitting diodes serving as loads in the light-emitting diode lamp panel according to input electric signals.
2. The LED-based load device according to claim 1, wherein the control board is provided with a control channel, and the control channel comprises a power access cathode, a power access anode and a switch control unit;
the LED lamp panel is provided with an LED lamp string which comprises at least two LEDs connected in series, one end of the lamp string end, which is the cathode of the LED, is taken as the first end of the LED lamp panel, one end of the lamp string end, which is the anode of the LED, is taken as the second end of the LED lamp panel, and the cathode of a preset LED in the LED lamp string is taken as the third end of the LED lamp panel;
the connecting module comprises a first connecting unit, a second connecting unit and a third connecting unit;
the power supply access negative electrode is electrically connected with the first end of the switch control unit and the first end of the light-emitting diode lamp panel through the first connecting unit; the power supply access anode is electrically connected with the second end of the light-emitting diode lamp panel through the second connecting unit; and the second end of the switch control unit is electrically connected with the third end of the light-emitting diode lamp panel through the third connecting unit.
3. The led based load device of claim 2, wherein said control channel further comprises a resistor;
the resistor is connected in series between the power supply access negative electrode and the first end of the switch control unit and between the first connecting unit and the second connecting unit; or, the resistor is connected in series between the power supply access positive electrode and the second connecting unit.
4. The led-based load device of claim 2, wherein said control board is provided with at least two control channels, and each of said control channels is independent of each other;
the LED lamp panel is provided with at least two LED lamp strings, and the LED lamp strings are independent from each other; each control channel corresponds to each light-emitting diode lamp string one by one;
correspondingly, each control channel further comprises a negative electrode expansion interface and a positive electrode expansion interface;
the power supply access negative electrode is electrically connected with the first end of the switch control unit and the first connecting unit through the negative electrode expansion interface; the power supply access anode is electrically connected with the second connecting unit through the anode extension interface.
5. The LED-based load device of any one of claims 1-4, wherein the connection module is a pin socket.
6. The LED-based load device according to any one of claims 2-4, wherein the switch control unit is a dial switch.
7. The LED-based load device according to any one of claims 1 to 4, wherein the control board and the LED lamp panel are fixedly connected to form a combined board, one surface of the combined board is the control board, and the other surface of the combined board is the LED lamp panel;
the load device comprises at least two combined plates, and the at least two combined plates are spliced through the splicing module.
8. The LED-based load device according to claim 7, wherein the load device comprises at least three combined boards, and the at least three combined boards are spliced into a cylindrical side surface, wherein the outer surface of the cylindrical side surface is a control board, and the inner surface of the cylindrical side surface is an LED lamp panel;
the load device further comprises a heat dissipation fan, and the heat dissipation fan is arranged on the end face of the cylindrical body.
9. The led based load device of claim 8, wherein said cylindrical end face is further provided with louvers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551728.8U CN211236116U (en) | 2019-09-18 | 2019-09-18 | Load device based on light emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921551728.8U CN211236116U (en) | 2019-09-18 | 2019-09-18 | Load device based on light emitting diode |
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| Publication Number | Publication Date |
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| CN211236116U true CN211236116U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921551728.8U Active CN211236116U (en) | 2019-09-18 | 2019-09-18 | Load device based on light emitting diode |
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| Country | Link |
|---|---|
| CN (1) | CN211236116U (en) |
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2019
- 2019-09-18 CN CN201921551728.8U patent/CN211236116U/en active Active
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