CN212727507U

CN212727507U - Emergency lamp circuit with external control module input port

Info

Publication number: CN212727507U
Application number: CN202021893036.4U
Authority: CN
Inventors: 柯建军; 王�华; 袁其佳
Original assignee: Shenzhen Billda Technology Co ltd
Current assignee: Shenzhen Billda Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-03-16
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses an emergency lamp circuit with an external control module input port, which comprises an emergency module and a LED drive, wherein the emergency module is used for receiving commercial power input, converting the commercial power into direct current and outputting the direct current to the LED drive; the LED driver receives the input of the emergency module and then drives the LED lamp to work; the device also comprises a connecting unit, wherein the connecting unit comprises an input port used for accessing the external control module and an output port electrically connected with the input port; the output port is used for outputting information of the external control module to the LED driver and controlling the working state of the LED lamp; compared with the prior art, the LED driver has the advantages that the connecting unit connected with the emergency module is additionally arranged, the external control module is arranged on the input port, so that the external control module works normally, and an output signal of the external control module is transmitted to the LED driver through the output port; the problem of among the prior art emergency lighting integrative lamp's illumination function can't install external control module additional is solved.

Description

Emergency lamp circuit with external control module input port

Technical Field

The utility model relates to an emergency lighting field specifically is a take emergency light circuit of external control module input port.

Background

The emergency lamp is arranged for guiding the evacuation of trapped people after a fire disaster or other conditions cause the cut-off of a normal lighting power supply; the application range of the existing emergency lamp is wider and wider, and the emergency lamp has the function of illumination besides the emergency function; the emergency lamp can be used as a common lamp under the normal condition of the mains supply, and can play an emergency function when the mains supply is disconnected.

In the actual use process of the existing lighting lamp, the on-off of the lamp is controlled by a switch, and a plurality of control modes such as human body induction, light induction and voice control are also provided, so that the lighting lamp is suitable for different application scenes; the common emergency lighting function integrated emergency lamp can have a corresponding control function only by additionally arranging a corresponding control module in the LED drive; if the LED driver leaves the factory, a control module is not designed in a circuit of the LED driver; the corresponding control module cannot be additionally installed after delivery; therefore, the application range of the emergency lamp integrating illumination and emergency in the illumination function is greatly reduced, and the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the technology, the utility model provides an emergency lamp circuit with an external control module input port, which is applied to an emergency lamp integrating emergency lighting; and a 12V output end is arranged in the emergency module and used for supplying power to an additionally arranged external control module, and the external control module outputs a signal to the LED driver to control the working state of the emergency lamp.

In order to achieve the above object, the present invention provides an emergency light circuit with an external control module input port, which comprises an emergency module and an LED driver, wherein the emergency module is used for receiving a commercial power input, converting the commercial power into a direct current, and outputting the direct current to the LED driver; the LED driver receives the input of the emergency module and then drives the LED lamp to work;

the device also comprises a connecting unit, wherein the connecting unit comprises an input port used for accessing the external control module and an output port electrically connected with the input port; the output port is used for outputting information of the external control module to the LED driver and controlling the working state of the LED lamp; wherein the input port of the connection unit is connected with the emergency module, and the electric energy is obtained from the emergency module.

The emergency module comprises a rectifying and filtering unit, a battery unit and a boosting unit which are sequentially connected; the boosting unit is in driving connection with the LED through the switching unit; the switching unit is connected with the rectifying and filtering unit; when the mains supply is normal, the switching unit controls the boosting unit and the LED drive to be disconnected, and the mains supply directly supplies power to the LED drive after passing through the rectifying and filtering unit; when the commercial power is disconnected, the switching unit controls the boosting unit to be conducted with the LED drive, and the battery supplies power for the LED drive through the boosting unit.

The battery unit comprises a charging circuit and a battery; when the commercial power is normal, the commercial power sequentially passes through the rectifying and filtering unit and the charging circuit to charge the battery.

The input port of the connection unit is respectively connected with the output end of the rectification filter unit and the output end of the boosting unit, and the input port receives electric energy input by the rectification filter unit when the commercial power is normal; when the commercial power is disconnected, the input port receives the electric energy input by the boosting power supply.

The rectifying and filtering unit is electrically connected with the battery unit through a first transformer, and the first transformer comprises a first primary side, a first secondary side and a second secondary side; the first primary side receives the input of the rectifying and filtering unit, the first secondary side outputs electric energy to the battery unit, and the second secondary side outputs electric energy to the input port.

The boosting unit comprises a second transformer and a connector which is electrically connected with the LED drive; the second transformer comprises a second primary side, a third secondary side and a fourth secondary side; the second primary side receives the input of the battery unit, the third secondary side outputs electric energy to the connector, and the fourth secondary side outputs electric energy to the input port.

The connecting unit comprises a voltage conversion module, and the voltage conversion module is used for converting the voltage input by the emergency module into 12V voltage and supplying power to the input port.

The input port comprises at least three interfaces, the first interface is connected with the voltage conversion module, the second interface is connected with the ground, and the third interface is used for being connected with the output port.

The LED driver comprises a power supply input line and a dimming input line; one end of the dimming unit is connected with the output end of the emergency module, the other end of the dimming unit is connected with the output port through the selector switch, and the output port is connected with the dimming input line; one end of the change-over switch is connected with the output port, and the other end of the change-over switch is connected with the input port or the dimming unit.

The dimming unit comprises a first operational amplifier, a second operational amplifier, a third operational amplifier, an optocoupler and a fourth operational amplifier which are connected step by step; the first input end of the first operational amplifier is connected with the output end of the emergency module, and the second input end of the first operational amplifier is connected with the ground; the output end of the second operational amplifier is connected with the second input end of the second operational amplifier, the first input end of the second operational amplifier is connected with an external power supply, the output end of the second operational amplifier is connected with the first input end of the third operational amplifier, and the second input end of the third operational amplifier is coupled with the ground through a capacitor; the output end of the third operational amplifier is connected with the cathode of a light emitting diode of the optocoupler, and the anode of the light emitting diode is coupled with the ground; and a collector of a phototriode in the optocoupler is connected with an external power supply, an emitter is connected with a first input end of a fourth operational amplifier, a second input end of the fourth operational amplifier is connected with an output end, and the output end of the fourth operational amplifier is connected with an output port through a change-over switch.

The utility model has the advantages that: the utility model provides an emergency light circuit with an external control module input port, which comprises a connecting unit, wherein the connecting unit comprises an input port for accessing an external control module and an output port electrically connected with the input port; the output port is used for outputting information of the external control module to the LED driver and controlling the working state of the LED lamp; the input port of the connecting unit is connected with the emergency module, and electric energy is obtained from the emergency module; compared with the prior art, the LED driver has the advantages that the connecting unit connected with the emergency module is additionally arranged, the external control module is arranged on the input port, so that the external control module works normally, and an output signal of the external control module is transmitted to the LED driver through the output port; the problem that an external control module cannot be additionally arranged on the lighting function of the emergency lighting integrated lamp in the prior art is solved; the user can install different control modules according to actual requirements, such as light sensation, sound control, dimming and the like; the application range of the emergency lighting integrated lamp is expanded.

Drawings

Fig. 1 is a block diagram of the present invention;

FIG. 2 is a circuit diagram of the connection unit of the present invention;

fig. 3 is a circuit diagram of a light adjusting unit of the present invention;

fig. 4 is a circuit diagram of the voltage conversion module of the present invention.

The main element symbols are as follows:

1. an emergency module; 11. a rectification filter unit; 12. a battery cell; 13. a voltage boosting unit; 14. a switching unit; 2. driving an LED; 3. an LED lamp; 4. a connection unit; 5. a dimming unit; u8 and an optical coupler; CON5, input port; CON6, an output port; T1C, a second secondary side, T2C, a fourth secondary side.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

As described in the background, existing emergency lighting integrated emergency lights; in the production process, a control module or an induction module is additionally arranged on the LED driver 2; to control the working state of the lamp during lighting; however, the form of directly installing the control module in the LED driver 2 has some disadvantages, because the driving module and the LED lamp 3 board are usually directly packaged together, if the control module in the LED driver 2 needs to be replaced, the package of the lamp panel needs to be disassembled, which is very inconvenient, and meanwhile, the control module is welded on the lamp panel, so that a non-professional person cannot find the position of the control module at all, and the replacement work cannot be completed; even if the replacement is performed by a professional, the replacement process is very troublesome, the circuit wiring needs to be found again, time and labor are wasted, and the replacement can hardly be completed by a common user in actual life.

Based on this, the utility model provides an emergency lamp circuit with external control module input port, please refer to fig. 1, which includes an emergency module 1 and an LED driver 2, the emergency module 1 is used for receiving the commercial power input, and converting the commercial power into direct current and outputting the direct current to the LED driver 2; the LED driver 2 receives the input of the emergency module 1 and then drives the LED lamp 3 to work; the device further comprises a connecting unit 4, wherein the connecting unit 4 comprises an input port CON5 used for accessing an external control module and an output port CON6 electrically connected with the input port CON 5; the output port CON6 is used for outputting information of the external control module to the LED driver 2 and controlling the operating state of the LED lamp 3; wherein the input port CON5 of the connection unit 4 is connected with the emergency module 1 to obtain power from the emergency module 1.

In this embodiment, the LED lamp 3 is directly connected to the LED driver 2.

Compared with the prior art, the connecting unit 4 connected with the emergency module 1 is additionally arranged, the external control module is arranged on the input port CON5, the external control module works normally, and the output signal of the external control module is transmitted to the LED driver 2 through the output port CON 6; the problem of among the prior art emergency lighting integrative lamp's illumination function can't install external control module additional is solved.

The input port CON5 of the connection unit 4 may be designed as a socket, and the external control unit is directly plugged into the socket; or the input port CON5 is designed in the form of a reserved wire, and is directly connected with an external control module through a wire when the control module is replaced or installed; the operation is convenient; and the input port CON5 is designed into a socket form, so that a common user can easily replace the input port without searching for the installation position of the control module on the circuit board by a professional.

In the embodiment, the connection unit 4 and the emergency module 1 are designed together, and the emergency unit is physically separated from the LED driver 2 and is electrically connected only through a wire; the encapsulated LED lamp 3 board does not need to be disassembled when the control module is replaced.

In this embodiment, a user may install different control modules according to actual requirements, where the control modules may be a light sensing device, a sound control device, a light adjusting device, a human body sensing device, and the like; for example, the emergency lamp integrating emergency lighting is applied to a corridor and can be additionally provided with a human body sensing device or a sound control device.

In this embodiment, the emergency module 1 includes a rectifying and filtering unit 11, a battery unit 12 and a boosting unit 13 connected in sequence; the boosting unit 13 is connected with the LED driver 2 through the switching unit 14; the switching unit 14 is connected with the rectifying and filtering unit 11; when the commercial power is normal, the switching unit 14 controls the boosting unit 13 to be disconnected from the LED driver 2, and the commercial power directly supplies power to the LED driver 2 after passing through the rectifying and filtering unit 11; when the commercial power is cut off, the switching unit 14 controls the connection between the boosting unit 13 and the LED driver 2, and the battery supplies power to the LED driver 2 through the boosting unit 13.

Preferably, the battery unit 12 includes a charging circuit and a battery; when the commercial power is normal, the commercial power sequentially passes through the rectifying and filtering unit 11 and the charging circuit to charge the battery.

When the mains supply is normal, the mains supply provides energy for the LED driver 2; simultaneously charging the battery in the emergency module 1; when the commercial power is disconnected, the output of the battery is boosted by the boosting unit 13 to supply power to the LED driver 2; the switching unit 14 may be a relay or a single-pole double-gate switch; when the mains supply is normal, the relay does not work; the switch control LED drive 2 is directly connected with the rectification filter unit 11, and the boosting unit 13 is disconnected with the LED drive 2; when the commercial power is disconnected, the relay works; the switching control LED driver 2 is connected to the booster unit 13.

In this embodiment, referring to fig. 1 and fig. 2, the input port CON5 of the connection unit 4 is respectively connected to the output terminal of the rectifying and filtering unit 11 and the output terminal of the boosting unit 13, and the input port CON5 receives the electric energy input by the rectifying and filtering unit 11 when the utility power is normal; when the utility power is disconnected, the input port CON5 receives the power input by the boost power supply.

At this time, the input port CON5 can ensure the external control module to work normally no matter whether the utility power is normal; for example, when the control module is a dimming device, after the mains supply is disconnected, the dimming device can continue to operate to control the LED lamp 3 to operate at low power, so as to prolong the operation time in the emergency state.

In the present embodiment, the rectifying and smoothing unit 11 is electrically connected to the battery unit 12 through a first transformer, where the first transformer includes a first primary side, a first secondary side, and a second secondary side T1C; the first primary side receives the input of the rectifying and filtering unit 11, the first secondary side outputs electric energy to the battery unit 12, and the second secondary side T1C outputs electric energy to the input port CON 5; the boosting unit 13 includes a second transformer and a connector for electrical connection with the LED driver 2; the second transformer comprises a second primary side, a third secondary side and a fourth secondary side T2C; the second primary side receives the input of the battery unit 12, the third secondary side outputs the electric energy to the connector, and the fourth secondary side T2C outputs the electric energy to the input port CON 5.

When the mains supply is normal, the second secondary side T1C outputs electric energy to the input port CON5, and the fourth secondary side does not output electric energy; when the utility power is turned off, the second secondary side T1C does not output power, and the fourth secondary side T2C outputs power to the input port CON 5.

In this embodiment, referring to fig. 4, the connection unit 4 includes a voltage conversion module, which is configured to convert the voltage input by the emergency module 1 into a 12V voltage to supply power to the input port CON 5; the input port CON5 powers an externally accessible control module.

In this embodiment, the input port CON5 includes at least three interfaces, a first interface is connected to the voltage conversion module, a second interface is connected to ground, and a third interface is used for being connected to the output port CON 6; the output port CON6 comprises at least two interfaces; one interface is used for being connected with the ground, and the other interface is used for being connected with the LED driver 2; the positive pole and the negative pole of the external control module are respectively connected with the first interface and the second interface; the output end is connected with the third interface.

In the present embodiment, referring to fig. 1 and 3, a dimming unit 5 is further included, and the LED driver 2 includes a power input line and a dimming input line; one end of the dimming unit 5 is connected with the output end of the emergency module 1, the other end of the dimming unit is connected with an output port CON6 through a change-over switch, and the output port CON6 is connected with a dimming input line; one end of the switch is connected with the output port CON6, and the other end of the switch is connected with the input port CON5 or the dimming unit 5; when the switch is connected with the dimming unit 5, the brightness of the LED lamp 3 can be controlled by the internal dimming unit 5; when the change-over switch is connected with the input port CON5, the working state of the LED lamp 3 is controlled by the external control module; for example, when the external control module is a voice control module, if the mains supply is disconnected at the moment, the external control module enters an emergency state; if the voice control mode is continuously adopted, the emergency mode is not suitable; at this time, the input of the external control module can be selectively cut off to operate the dimming unit 5; controlling the brightness of the lamp; the purpose of prolonging the illumination time of the LED lamp 3 in the emergency mode is achieved.

Specifically, the dimming unit 5 comprises a first operational amplifier, a second operational amplifier and a third operational amplifier which are connected in a stepwise manner, and an optical coupler U8 and a fourth operational amplifier; the first input end of the first operational amplifier is connected with the output end of the emergency module 1, and the second input end of the first operational amplifier is connected with the ground; the output end of the second operational amplifier is connected with the second input end of the second operational amplifier, the first input end of the second operational amplifier is connected with an external power supply, the output end of the second operational amplifier is connected with the first input end of the third operational amplifier, and the second input end of the third operational amplifier is coupled with the ground through a capacitor; the output end of the third operational amplifier is connected with the cathode of a light emitting diode of the optocoupler U8, and the anode of the light emitting diode is coupled with the ground; the collecting electrode of the phototriode in the optocoupler U8 is connected with an external power supply, the emitting electrode is connected with the first input end of the fourth operational amplifier, the second input end of the fourth operational amplifier is connected with the output end, and the output end of the fourth operational amplifier is connected with the output port CON6 through a change-over switch.

The dimming unit 5 controls the output power of the emergency module 1 by obtaining the working current of the LED lamp 3 during working; the smaller the output power, the darker the LED lamp 3; when the electric quantity of the battery changes, the working current of the LED is also reduced, and the dimming unit 5 controls the LED driver 2 to drive the LED lamp 3 to work at low power; the brightness of the lamp decreases; but the working time is extended.

The utility model has the advantages that:

1. compared with the prior art, the LED driver has the advantages that the connecting unit connected with the emergency module is additionally arranged, the external control module is arranged on the input port, so that the external control module works normally, and an output signal of the external control module is transmitted to the LED driver through the output port; the problem that an external control module cannot be additionally arranged on the lighting function of the emergency lighting integrated lamp in the prior art is solved; the user can install different control modules according to actual requirements.

2. The input port of the connecting unit is respectively connected with the output end of the rectifying and filtering unit and the output end of the boosting unit; at the moment, the input port can ensure the normal work of the external control module no matter whether the commercial power is normal or not; for example, when the control module is a dimming device, after the mains supply is disconnected, the dimming device can continuously work to control the LED lamp beads to work at low power, so that the working time of an emergency state is prolonged.

3. The LED driver also comprises a dimming unit, and the LED driver comprises a power input line and a dimming input line; one end of the dimming unit is connected with the output end of the emergency module, the other end of the dimming unit is connected with the output port through the selector switch, and the output port is connected with the dimming input line; one end of the diverter switch is connected with the output port, and the other end of the diverter switch is connected with the input port or the dimming unit; if the commercial power is disconnected at the moment, the emergency state is indicated to be entered; if the voice control mode is continuously adopted, the emergency mode is not suitable; at the moment, the input of the external control module can be selectively cut off, so that the dimming unit works; controlling the brightness of the lamp; the purpose of prolonging the illumination time of the LED lamp in the emergency mode is achieved.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An emergency lamp circuit with an external control module input port comprises an emergency module and an LED driver, wherein the emergency module is used for receiving commercial power input, converting the commercial power into direct current and outputting the direct current to the LED driver; the LED driver receives the input of the emergency module and then drives the LED lamp to work; it is characterized in that the preparation method is characterized in that,

2. The emergency lamp circuit with the external control module input port according to claim 1, wherein the emergency module comprises a rectifying and filtering unit, a battery unit and a boosting unit which are connected in sequence; the boosting unit is in driving connection with the LED through the switching unit; the switching unit is connected with the rectifying and filtering unit; when the mains supply is normal, the switching unit controls the boosting unit and the LED drive to be disconnected, and the mains supply directly supplies power to the LED drive after passing through the rectifying and filtering unit; when the commercial power is disconnected, the switching unit controls the boosting unit to be conducted with the LED drive, and the battery supplies power for the LED drive through the boosting unit.

3. The emergency lamp circuit with an external control module input port of claim 2, wherein the battery unit comprises a charging circuit and a battery; when the commercial power is normal, the commercial power sequentially passes through the rectifying and filtering unit and the charging circuit to charge the battery.

4. The emergency lamp circuit with the external control module input port according to claim 2, wherein the input port of the connection unit is respectively connected with the output terminal of the rectifying and filtering unit and the output terminal of the boosting unit, and the input port receives the electric energy input by the rectifying and filtering unit when the commercial power is normal; when the commercial power is disconnected, the input port receives the electric energy input by the boosting power supply.

5. The emergency lamp circuit with the external control module input port according to claim 4, wherein the rectifying and filtering unit is electrically connected with the battery unit through a first transformer, and the first transformer comprises a first primary side, a first secondary side and a second secondary side; the first primary side receives the input of the rectifying and filtering unit, the first secondary side outputs electric energy to the battery unit, and the second secondary side outputs electric energy to the input port.

6. The emergency lamp circuit with an external control module input port according to claim 4, wherein the boost unit comprises a second transformer and a connector for electrically connecting with the LED driver; the second transformer comprises a second primary side, a third secondary side and a fourth secondary side; the second primary side receives the input of the battery unit, the third secondary side outputs electric energy to the connector, and the fourth secondary side outputs electric energy to the input port.

7. The emergency lamp circuit with an external control module input port of claim 1, wherein the connection unit comprises a voltage conversion module for converting the voltage input by the emergency module to 12V for powering the input port.

8. The emergency lamp circuit with an external control module input port as claimed in claim 7, wherein the input port comprises at least three interfaces, a first interface connected to the voltage conversion module, a second interface connected to ground, and a third interface for connection to the output port.

9. The emergency lamp circuit with an external control module input port of claim 1, further comprising a dimming unit, the LED driver comprising a power input line and a dimming input line; one end of the dimming unit is connected with the output end of the emergency module, the other end of the dimming unit is connected with the output port through the selector switch, and the output port is connected with the dimming input line; one end of the change-over switch is connected with the output port, and the other end of the change-over switch is connected with the input port or the dimming unit.

10. The emergency lamp circuit with the external control module input port according to claim 9, wherein the dimming unit comprises a first operational amplifier, a second operational amplifier and a third operational amplifier, an optical coupler and a fourth operational amplifier which are connected in a cascade manner; the first input end of the first operational amplifier is connected with the output end of the emergency module, and the second input end of the first operational amplifier is connected with the ground; the output end of the second operational amplifier is connected with the second input end of the second operational amplifier, the first input end of the second operational amplifier is connected with an external power supply, the output end of the second operational amplifier is connected with the first input end of the third operational amplifier, and the second input end of the third operational amplifier is coupled with the ground through a capacitor; the output end of the third operational amplifier is connected with the cathode of a light emitting diode of the optocoupler, and the anode of the light emitting diode is coupled with the ground; and a collector of a phototriode in the optocoupler is connected with an external power supply, an emitter is connected with a first input end of a fourth operational amplifier, a second input end of the fourth operational amplifier is connected with an output end, and the output end of the fourth operational amplifier is connected with an output port through a change-over switch.