CN211047306U

CN211047306U - AC L ED module emergency driving power supply

Info

Publication number: CN211047306U
Application number: CN201922218477.8U
Authority: CN
Inventors: 陈勇军; 王朵平
Original assignee: Fulham Electronic Co ltd
Current assignee: Fulham Electronic Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-17
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses an exchange L ED module emergency drive power supply, including input module to flyback conversion module and output conversion module output voltage, flyback conversion module is respectively to battery charging management module, outage detection module and MCU power module provide power supply voltage, outage detection module is to MCU control module input power down command signal, MCU power module supplies power to MCU control module, battery charging management module provides charging current to battery module, and control interaction with MCU control module, battery module passes through emergent power module and exports to output conversion module, emergent power module and MCU control module control interaction, MCU control module receives temperature monitoring module's monitoring control signal, the utility model discloses circuit structure is simple, and the installation, it is convenient to dismantle, has practiced thrift the human cost of manufacturing cost and installation, and has excess temperature protection, charge-discharge protection and fault error reporting function.

Description

AC L ED module emergency driving power supply

Technical Field

The utility model relates to an L ED emergency power source field, concretely relates to exchange L ED module emergency drive power supply.

Background

L ED emergency power supply is developed by lamp products and provides lamp lighting power supply in emergency state of power failure of power grid, the current L ED lighting emergency driving power supply comprises the following types, one type is an integrated L ED emergency power supply, a charging part and a battery part of the power supply are both packaged in a shell, the shell is not detachable, parts can not be replaced when the charging circuit or the battery fails, only the whole emergency power supply can be replaced, and the other type is that the power supply provides lighting like a common lamp when the power grid supplies power and provides emergency lighting when emergency occurs, the emergency power supply and the L ED driving are separated, however, the two L ED emergency power supplies have the following defects:

1) the installation is inconvenient when using, under the condition of the same power, bulky, and material cost and installation cost are high.

2) The output voltage or current of the emergency power supply is fixed, and the emergency power supply can be used only by matching with the voltage and current of L ED light source of a lamp, so that tolerance for different L ED lamps is compatible, and a replacement component with matched voltage and current parameters is not easy to find when the component is damaged.

3) L there is an electromagnetic compatibility interference between the drive power supply and the emergency power supply, which can cause the product to function improperly.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an exchange L ED module emergency driving power supply can realize the integration and the switching of grid power supply and emergency power supply, can protect the product effectively.

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

an AC L ED module emergency driving power supply comprises an input module outputting voltage to a flyback conversion module and an output conversion module for providing main power voltage energy, the flyback conversion module respectively inputting voltage to a battery charging management module, a power failure detection module and an MCU power supply module, the power failure detection module inputting power failure instruction signals to the MCU control module, the MCU power supply module supplying power to the MCU control module, the battery charging management module providing charging current to the battery module and interacting with the MCU control module in control to achieve the purpose of charging detection and management, the battery module outputting voltage current with certain power energy to the output conversion module through the emergency power supply module, the emergency power supply module interacting with the MCU control module in control to achieve the purpose of automatic switching between AC input power failure and emergency, and the MCU control module receiving monitoring control signals of a temperature monitoring module to adjust emergency output current to achieve the purpose of protecting products.

Furthermore, the battery charging management module comprises a DC-DC voltage reduction inversion module and an output filtering signal detection module; the DC-DC voltage reduction inversion module receives the voltage energy of the flyback conversion module and the control signal of the MCU control module and outputs voltage to the output filtering signal detection module; the output filtering signal detection module provides charging voltage and current for the battery module and feeds back signals to the MCU control module.

Furthermore, the input module comprises an alternating current input module, a filtering module and a rectification anti-surge module which are sequentially connected, and the rectification anti-surge module is connected with the flyback conversion module.

Further, the battery module is a ternary lithium battery pack.

And the indicating module is connected with the MCU control module and is used for indicating the product state and setting the user emergency output power.

Further, the indicating module comprises an indicating lamp, and the indicating lamp indicates the working state through a flashing code.

Furthermore, the emergency power supply module comprises an emergency power supply control module and an emergency inversion output module; the emergency power supply control module receives the input voltage of the battery module, interacts with the MCU control module in a control mode, outputs a control signal to the output conversion module, outputs the voltage to the emergency inversion output module, interacts with the MCU control module in the control mode, and outputs a voltage signal to the output conversion module.

The utility model has the advantages that:

the utility model relates to an emergency drive power supply for exchanging L ED module power supply, L ED AC module has practiced thrift manufacturing cost as normal alternating current power supply and emergency power supply's load light source, the utility model discloses circuit structure is simple, and the installation, dismantlement are convenient, have practiced thrift the human cost of change and installation.

The utility model discloses still have the excess temperature protect function, when its ambient temperature or inside temperature surpassed the setting value, can control emergent output and fall to the half of setting value, after the temperature reduction, emergent output resumes the rated value, can protect the product effectively.

The utility model discloses the charge-discharge state of real-time supervision battery has excessive pressure, under-voltage protection function, prevents that the battery from excessively charging and discharging, can effectively prolong battery life.

The utility model discloses still have self-checking and trouble and report wrong function, can carry out self-diagnosis according to the time of setting for, make corresponding scintillation sign indicating number suggestion according to testing result control pilot lamp, show operating condition or trouble and report wrong.

Drawings

FIG. 1 is a schematic diagram of a conventional L ED emergency power supply solution;

fig. 2 is a schematic view of the installation of an ac L ED module emergency driving power supply of the present invention;

fig. 3 is a block diagram of an embodiment of the present invention;

FIG. 4 is a block diagram of a second embodiment of the present invention;

FIG. 5 is a first circuit diagram of a second embodiment of the present invention;

FIG. 6 is a second circuit diagram according to a second embodiment of the present invention;

FIG. 7 is a third circuit connection diagram according to an embodiment of the present invention;

FIG. 8 is a fourth circuit connection diagram according to the second embodiment of the present invention;

FIG. 9 is a fifth circuit connection diagram according to the second embodiment of the present invention;

fig. 10 is a sixth circuit connection diagram according to the second embodiment of the present invention;

fig. 11 is a seventh circuit connection diagram according to the embodiment of the present invention.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.

The utility model provides an exchange L ED module emergency drive power supply, as shown in fig. 2, it inserts commercial power live wire, zero line to exchange L ED module emergency drive power supply input, and the output live wire of output, zero line are connected and are exchanged L ED module.

As shown in fig. 3, the embodiment of the present invention provides an input end accessed by input module 101, input module 101 provides voltage energy to flyback conversion module 102 and output conversion module 109, flyback conversion module 102 provides voltage energy to battery charging management module 105, power failure detection module 103 and MCU power supply module 104 respectively, power failure detection module 103 outputs power failure instruction to MCU control module 108, MCU power supply module 104 outputs MCU power supply signal to MCU control module 108, battery charging management module 105 outputs charging current to battery module 106, and interacts with MCU control module 108 control, battery module 106 outputs voltage to output conversion module 109 through emergency power supply module 107, emergency power supply module 107 interacts with MCU control module 108 control; the MCU control module 108 receives a monitoring control signal of the temperature monitoring module 110; the output conversion module 109 serves as an output terminal, outputs a mains voltage in the case of AC power supply, and outputs a dc voltage in an emergency state.

The embodiment integrates the normal alternating current power supply circuit and the emergency power supply, can automatically switch between alternating current power supply illumination and emergency power supply illumination, does not have the problem of mutual interference, has the input voltage range of 120V-277V, has the maximum output power of 100W, meets the requirements of families, schools and other commercial illumination, can freely change the matched L ED AC module voltage between 60V-230V, and solves the problem of poor user matching of L ED emergency power supplies on the market.

On the basis of the first embodiment, the utility model also provides an embodiment two as shown in fig. 4, which specifically describes the circuit connection relationship of each module.

Specifically, the battery charging management module 105 includes a DC-DC buck inverter module 1051 and an output filtered signal detection module 1052; the DC-DC buck inverter module 1051 receives the voltage of the flyback converter module 102 and the control signal of the MCU control module 108, and outputs the voltage to the output filter signal detection module 1052; the output filtered signal detection module 1052 provides the charging current to the battery module 106 and feeds back a signal to the MCU control module 108.

The input module 101 includes an ac input module 1011, a filtering module 1012 and a rectification anti-surge module 1013 connected in sequence, and the rectification anti-surge module 1013 is connected to the flyback conversion module 102.

The emergency power supply module 107 comprises an emergency power supply control module 1071 and an emergency inversion output module 1072; the emergency power supply control module 1071 receives the discharge voltage of the battery module 106, interacts with the MCU control module 108 in a control manner, outputs a control signal to the output conversion module 109, outputs a main power voltage to the emergency inverter output module 1072, interacts with the MCU control module 108 in a control manner, outputs a voltage signal to the output conversion module 109, and controls AC power supply and emergency conversion.

The ac L ED module emergency driving power supply further includes an indication module 111, and the indication module 111 is connected to the MCU control module 108 and is configured to indicate a product status, and the indication module 111 includes an indication lamp, and the indication lamp indicates a working status through a flashing code.

The indicator light of the indicating module 111 can be plugged and replaced by an emergency power setting module for emergency power programming setting, and a user can set the emergency output power between 3W and 6W according to the requirement.

Preferably, the battery module may be selected as a ternary lithium battery pack.

Fig. 5-11 show the circuit connection schematic diagram of the second embodiment.

Fig. 5 is a schematic circuit connection diagram of the ac input module 1011, the filtering module 1012, the rectifying and anti-surge module 1013, the flyback conversion module 102, and the power failure detection module 103. The alternating current input module 1011 is connected with a live wire, a zero line and a ground wire part of commercial power input; the filtering module 1012 and the rectifying and anti-surge module 1013 enable the product to meet the electromagnetic compatibility requirement; the flyback conversion module 102 converts the input alternating current high voltage into a 15V safe low voltage with constant voltage output, and is used for supplying power to the MCU and charging the battery; the power failure detection module 103 is used for power failure detection, and when the input alternating current is in power failure, a power failure signal is detected through the module circuit and sent to the MCU.

Fig. 6 is a schematic diagram of the circuit connection between the battery charging management module 105 and the battery module 106, which includes a DC-DC step-down inverter module 1051 and an output filter signal detection module 1052, so as to achieve precise control of the charging voltage and the charging current of the battery module 106, and ensure the safety and the service life of the battery charging. The battery module 106 is an 11.1V ternary lithium battery pack, and is charged under the condition of normal ac power supply and discharged during power failure, and is used for lighting a load lamp in emergency.

Fig. 7 is a schematic circuit connection diagram of the MCU control module 108, the main control MCU of the product is of the model MKE02Z64V L D4, and is used to control the modules to work in coordination and provide protection when an abnormality occurs, and fig. 8 is a schematic circuit connection diagram of the MCU power supply module 104, which is used to supply power to the MCU to ensure safe and reliable operation of the MCU.

Fig. 9 is a schematic circuit connection diagram of the emergency power supply module 107 and the output conversion module 109, in which the emergency power supply module 107 includes an emergency power supply control module 1071 and an emergency inversion output module 1072, the emergency power supply control module 1071 does not work during normal AC power supply and manages battery module discharge during power failure, and the emergency inversion output module 1072 converts 11.1V battery voltage into voltage and current required by a load, and further has an adaptive constant power control function to ensure that output power is not changed during emergency power supply and is not changed along with the change of voltage of the load L ED AC module.

Fig. 10 is a schematic circuit connection diagram of the temperature monitoring module 110, where the temperature monitoring module 110 plays a role of temperature protection, and when the product temperature reaches a set temperature, the emergency output power is actively halved to ensure the working safety of the product.

Fig. 11 is a circuit connection diagram of the indication module 111. The indicating module 111 monitors and indicates the abnormal fault of the product, and displays different state information through different flashing indications of the indicating lamp; the indicating lamp can be replaced by an emergency power setting module in a plugging and pulling mode and used for emergency power programming setting, and a user can set emergency output power between 3W and 6W according to needs.

The utility model discloses an exchange L ED module emergency driving power supply when normal commercial power supply, the alternating current passes through alternating current input module 1011, filtering module 1012, rectification antisurge module 1013 and flyback conversion module 102 fall to 15V, charge to battery module 106 through DC-DC step-down contravariant module 1051 and output filtering signal detection module 1052, the charging voltage and the charging current of output filtering signal detection module 1052 real-time supervision battery, feed back the controlled quantity to DC-DC step-down contravariant module 1051 through MCU control module 108, realize charging voltage and charging current's management and control, various detected signal that MCU control module 108 handled each module and sent, and send corresponding processing instruction to the control end, when detecting alternating current input, MCU output control signal closes emergency power supply control module 1071, otherwise then open emergency power supply control module 1071, provide electric power for emergency output conversion module 109 carries out and exchanges and emergent switching command, instruction module 111 reminds various charging fault codes, inform the user the charged state of present product.

During emergency, after detecting a power-off signal of the power-off detection module 103, the MCU control module 108 sends an on signal to the emergency power supply control module 1071, and the battery module 106 is connected to the emergency inverter output module 1072, and the emergency inverter output module 1072 converts the low-voltage dc power of the battery into a high-voltage dc power of 60V-230V, and transmits the dc power to the L ED AC module through the output conversion module 109, and meanwhile, the emergency inverter output module 1072 automatically matches the output current according to the output voltage to achieve the purpose of constant power output.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto. Various modifications and alterations will occur to those skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. On the basis of the technical scheme of the utility model, various modifications or deformations that technical personnel in the field need not pay out creative work and can make still are within the protection scope of the utility model.

Claims

1. An alternating current L ED module emergency driving power supply is characterized in that an input module outputs voltage to a flyback conversion module and an output conversion module, the flyback conversion module provides power supply voltage to a battery charging management module, a power failure detection module and an MCU power supply module respectively, the power failure detection module inputs a power failure instruction signal to the MCU control module, the MCU power supply module supplies power to the MCU control module, the battery charging management module provides charging current to the battery module and is in control interaction with the MCU control module, the battery module outputs voltage to the output conversion module through the emergency power supply module, the emergency power supply module is in control interaction with the MCU control module, and the MCU control module receives monitoring control signals of a temperature monitoring module.

2. The alternating current L ED module emergency driving power supply of claim 1, wherein the battery charging management module comprises a DC-DC buck inverter module and an output filtering signal detection module, the DC-DC buck inverter module receives a voltage of the flyback inverter module and a control signal of the MCU control module and outputs the voltage to the output filtering signal detection module, and the output filtering signal detection module supplies power to the battery module and feeds back a signal to the MCU control module.

3. The AC L ED module emergency driving power supply of claim 1, wherein the input module comprises an AC input module, a filter module and a rectification anti-surge module, which are connected in sequence, and the rectification anti-surge module is connected with the flyback conversion module.

4. The ac L ED module emergency driving power supply of claim 1, wherein the battery module is a ternary lithium battery pack.

5. The ac L ED module emergency driving power supply of claim 1, further comprising an indication module, the indication module is connected to the MCU control module for indicating the product status and setting the user emergency output power.

6. The AC L ED module emergency driving power supply of claim 5, wherein the indicating module includes an indicator light, and the indicator light indicates the working state through a flashing code.

7. The AC L ED module emergency driving power supply of claim 1, wherein the emergency power supply module comprises an emergency power supply control module and an emergency inverter output module, the emergency power supply control module receives the battery module input voltage, interacts with the MCU control module for control, outputs a control signal to the output conversion module, outputs a voltage to the emergency inverter output module, interacts with the MCU control module for control, and outputs a voltage signal to the output conversion module.