CN218851016U

CN218851016U - Plant lighting lamp

Info

Publication number: CN218851016U
Application number: CN202222655383.9U
Authority: CN
Inventors: 徐�明; 高明智; 黄建明; 陈凯
Original assignee: Hangzhou Sllcpower Co ltd; Hangzhou Hpwinner Opto Corp
Current assignee: Hangzhou Bolande Electronic Technology Co.,Ltd.; Hangzhou Hpwinner Opto Corp
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-04-11
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a plant lighting lamp relates to plant lighting technology field, including LED banks and driving power supply group, driving power supply group includes that the input connects the commercial power, the output with the LED banks is established ties. The driving power supply pack comprises a plurality of constant current sources which are connected in parallel, each constant current source comprises an AC/DC conversion circuit, a circuit breaker and a monitor, each circuit breaker is connected with the corresponding AC/DC conversion circuit in series, the monitor is connected with the corresponding AC/DC conversion circuit and the corresponding circuit breaker at the same time, monitors the state of the corresponding AC/DC conversion circuit, and controls the corresponding circuit breaker according to the state of the corresponding AC/DC conversion circuit. The utility model provides a technical scheme adopts the parallelly connected mode of a plurality of powers, even one of them power breaks down, can not lead to the unable work of whole plant lighting lamp yet.

Description

Plant lighting lamp

Technical Field

The utility model relates to a plant lighting technology field, concretely relates to plant light.

Background

The LED plant lighting lamp is a lamp for promoting plant growth and has a wide market. In the prior art, the power supply of the LED plant lighting lamp is mostly a single direct current source, and the input alternating current is converted into direct current for output. In case of power failure, the whole LED plant lighting lamp cannot work and cannot provide illumination for promoting growth of plants.

SUMMERY OF THE UTILITY MODEL

For solving the problem, the utility model provides a plant lighting lamp adopts the parallelly connected mode of a plurality of powers, and parallelly connected every branch road is equipped with the watch-dog, monitors the operating condition of branch road, avoids certain branch road operating condition unusual or breaks down and leads to the unable work of whole plant lighting lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plant lighting lamp comprises an LED lamp group and a driving power supply group, wherein the driving power supply group comprises an input end and an output end, the input end is connected with a mains supply, the output end is connected with the LED lamp group in series, the driving power supply group comprises a plurality of constant current sources which are connected in parallel, each constant current source comprises an AC/DC conversion circuit, a circuit breaker and a monitor, the circuit breaker is connected with the AC/DC conversion circuit in series, the monitor is connected with the AC/DC conversion circuit and the circuit breaker at the same time, monitors the state of the AC/DC conversion circuit, and controls the circuit breaker according to the state of the AC/DC conversion circuit.

Optionally, the monitor monitors the voltage, the current and the temperature of the AC/DC conversion circuit, and when any one of the voltage, the current and the temperature of the AC/DC conversion circuit exceeds a threshold, the monitor controls the disconnection switch to be disconnected.

A plurality of parallel constant current sources are adopted, each constant current source is provided with an independent monitor and a circuit breaker, and the working states of the constant current sources are not mutually influenced. When a certain constant current source fails, the monitor corresponding to the constant current source can quickly and timely judge the working state of the corresponding constant current source and send out a control signal of the circuit breaker, so that the failed constant current source exits from the power supply system, the normal work of the rest constant current sources and the lighting system is not influenced, and the continuity of plant lighting is ensured.

Optionally, the driving power supply set further includes an MCU, the MCU is connected to the AC/DC conversion circuit of each constant current source and the monitor of each constant current source, and the MCU controls the AC/DC conversion circuit according to the current collected by the monitor, so that the current output by the driving power supply set is kept constant.

When one constant current source is disconnected, other constant current sources are easy to generate fluctuation of current change, and the fluctuation is not beneficial to the stability of illumination and can cause damage to a light-emitting device. Therefore, no matter which of the constant current sources are disconnected, the MCU is adjusted through the AC/DC conversion circuit under the regulation and control of the MCU, so that the total output current of the driving power supply set is kept constant, the stability of illumination is facilitated, and the light-emitting device is prevented from being damaged by current fluctuation.

Optionally, the LED lamp group includes a plurality of LED groups, each LED group includes a plurality of LEDs connected in series, and the plurality of LED groups are connected in parallel.

Optionally, each LED group is provided with a bypass switch, the bypass switch includes a bypass monitor and a circuit breaker, the circuit breaker is connected in parallel with the LED group, the bypass monitor is connected to the LED group and the circuit breaker at the same time, monitors the state of the connected LED group, and controls the circuit breaker according to the state of the connected LED group.

Optionally, the bypass monitor monitors the voltage of the connected LED group, and when the voltage of the connected LED group exceeds a threshold, the bypass monitor controls the circuit breaker to close.

The mode of connecting in series earlier and then connecting in parallel is adopted to luminous LED light source, compares in the mode of LED light source full series connection among the prior art, even a certain LED light source breaks down and produces the broken circuit, can not lead to whole plant lighting lamp to lose illumination yet, has further guaranteed the continuity of plant illumination. Meanwhile, each bypass monitor monitors the working state of the connected LED group, when the working state of a certain LED group is abnormal, the bypass monitor immediately sends a control signal to the circuit breaker, the circuit breaker is closed to realize the bypass function, and the abnormal LED group is directly short-circuited to keep the normal work of other LED groups.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic view of a plant lighting lamp according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a constant current source in an embodiment of the present invention;

fig. 3 is a schematic diagram of an LED lamp set according to an embodiment of the present invention.

The LED lamp comprises a 1-LED lamp group, a 2-driving power supply group, a 21-constant current source, a 22-AC/DC conversion circuit, a 23-cut-off switch, a 24-monitor, a 25-circuit state information sensor and a 26-MCU.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure, or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.

Example (b):

as shown in fig. 1, the present embodiment provides a plant lighting lamp, which includes an LED lamp set 1 and a driving power supply set 2, where the driving power supply set 2 includes an input end and an output end, the input end is connected to a mains supply, i.e. a national power grid, and the output end is connected to the LED lamp set in series 1.

As shown in fig. 2, the driving power supply group comprises an MCU26 and a plurality of constant current sources 21 connected in parallel, the constant current sources 21 comprise an AC/DC conversion circuit 22, a cut-off switch 23 and a monitor 24, the MCU26 is connected to the AC/DC conversion circuit 22 of each constant current source 21 and the monitor 24 of each constant current source 21, and the AC/DC conversion circuit 22 is controlled according to the current collected by the monitor 24 to keep the current output by the driving power supply group 2 constant. The cut-off switch 23 is connected in series with the AC/DC conversion circuit 22, the monitor 24 is connected with the AC/DC conversion circuit 22 and the cut-off switch 23 at the same time, the state of the AC/DC conversion circuit 22 including the voltage, the current and the temperature of the AC/DC conversion circuit 22 is monitored through the circuit state information sensor 25, when any one of the voltage, the current and the temperature of the AC/DC conversion circuit 22 exceeds a threshold value, the fault of the constant current source 21 can be judged, therefore, the monitor 24 controls the cut-off switch 23 to be switched off, the fault constant current source 21 is LED out of a power supply system, the normal work of the rest constant current sources and the LED lamp sets is not influenced, and the continuity of plant illumination is ensured. The plant lighting lamp that this embodiment provided adopts the parallelly connected constant current source of a plurality of, and every constant current source all has independent watch-dog and circuit breaker, and operating condition each other does not influence each other. When a certain constant current source breaks down, the corresponding monitor can quickly and timely judge the working state of the corresponding constant current source and send out a control signal of the circuit breaker, so that the broken constant current source exits from a power supply system, the normal work of other constant current sources and the LED lamp group is not influenced, and the continuity of plant illumination is ensured. Meanwhile, when one constant current source 21 is turned off, the other constant current sources 21 are liable to generate fluctuation of current variation, which is not only disadvantageous to stabilization of illumination but also may cause damage to the light emitting device. Therefore, no matter which of the constant current sources 21 are disconnected, the MCU26 adjusts the current through the AC/DC conversion circuit 22 under the control of the MCU26, so that the total output current of the driving power supply set 2 remains constant, which is beneficial to the stability of illumination and avoids current fluctuation from damaging the light emitting device.

As shown in fig. 3, the LED lamp group 1 includes a plurality of LED groups, each LED group includes a plurality of LEDs connected in series, and the plurality of LED groups are connected in parallel. Each LED group is provided with a bypass switch, and each bypass switch is connected with a resistor in parallel to avoid short circuit of the whole LED lamp group after the bypass switches are closed. In this embodiment, fig. 3 illustrates an example of one of the LED groups. The bypass switch comprises a bypass monitor 11 and a circuit breaker, the circuit breaker is connected with the LED groups in parallel, the bypass monitor 11 is connected with the LED groups and the circuit breaker simultaneously, the state of the connected LED groups is monitored through an LED state information sensor 12, in the embodiment, the bypass monitor 11 mainly monitors the voltage of the connected LED groups, when the voltage of the connected LED groups exceeds a threshold value, an LED light source with abnormal work in the LED groups can be judged, therefore, the bypass monitor 11 controls the circuit breaker to be closed, the LED groups are short-circuited, and the LED light sources are separated from the whole LED lamp group.

The plant light that this embodiment provided adopts the mode of establishing ties earlier afterwards parallelly connected to luminous LED light source, compares in the full mode of establishing ties of LED light source among the prior art, even a certain LED light source breaks down and breaks circuit, can not lead to whole plant light to lose illumination yet, has further guaranteed the continuity of plant illumination. Meanwhile, each bypass monitor monitors the working state of the connected LED group, when the working state of a certain LED group is abnormal, the bypass monitor immediately sends a control signal to the circuit breaker, the circuit breaker is closed to realize the bypass function, and the abnormal LED group is directly short-circuited to keep the normal work of other LED groups.

While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The plant illuminating lamp is characterized in that the driving power supply set comprises a plurality of constant current sources which are connected in parallel, each constant current source comprises an AC/DC conversion circuit, a circuit breaker and a monitor, the circuit breaker is connected with the AC/DC conversion circuit in series, and the monitor is connected with the AC/DC conversion circuit and the circuit breaker at the same time, monitors the state of the AC/DC conversion circuit and controls the circuit breaker according to the state of the AC/DC conversion circuit.

2. The plant lighting lamp as claimed in claim 1, wherein the monitor monitors the voltage, the current and the temperature of the AC/DC conversion circuit, and when any one of the voltage, the current and the temperature of the AC/DC conversion circuit exceeds a threshold, the monitor controls the cut-off switch to be turned off.

3. The plant lighting lamp as claimed in claim 2, wherein the driving power supply set further comprises an MCU, the MCU is connected to the AC/DC converting circuit of each constant current source and the monitor of each constant current source, the MCU controls the AC/DC converting circuit according to the current collected by the monitor, so as to keep the current output by the driving power supply set constant.

4. Plant lighting lamp according to one of the claims 1 to 3, characterized in that said LED lamp group comprises several LED groups, each LED group comprising several LEDs in series, several LED groups being connected in parallel to each other.

5. The plant lighting lamp according to claim 4, characterized in that each LED group is provided with a bypass switch, which comprises a bypass monitor and a circuit breaker, which is connected in parallel with the LED group, the bypass monitor connecting the LED group and the circuit breaker simultaneously, monitoring the status of the connected LED group, and controlling the circuit breaker in accordance with the status of the connected LED group.

6. The plant lighting lamp according to claim 5, wherein the bypass monitor monitors the voltage of the connected LED group, and when the voltage of the connected LED group exceeds a threshold, the bypass monitor controls the circuit breaker to close.