CN212486856U - Lamp with power-off emergency lighting function - Google Patents
Lamp with power-off emergency lighting function Download PDFInfo
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- CN212486856U CN212486856U CN202022212035.5U CN202022212035U CN212486856U CN 212486856 U CN212486856 U CN 212486856U CN 202022212035 U CN202022212035 U CN 202022212035U CN 212486856 U CN212486856 U CN 212486856U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides a lamps and lanterns or device with outage emergency lighting function, its characterized in that is installed on conventional illumination or other required equipment by emergency lighting lamps and lanterns parallelly connected, and is right when the normal power supply of conventional illumination or other required equipment lamps and lanterns or the inside electric power storage device or the circuit of device with outage emergency lighting function charge, provide emergency lighting or warning suggestion and close after arriving and setting for the illumination time when detecting the external power supply outage. The lamp or the device with the power-off emergency lighting function can not only warn power-off of power supply, but also provide temporary lighting after sudden power-off so that people can quit the relevant places.
Description
Technical Field
The utility model relates to a lamps and lanterns especially relate to a lamps and lanterns with regularly emergency lighting function after the outage.
Technical Field
In order to solve the problem that after lighting is suddenly turned off or other electric equipment is suddenly powered off, instantaneous lighting stops and people are frightened or inconvenient to move, a plurality of lamps with power-off emergency lighting or delayed turning-off functions are provided at present, but the conventional lamps basically need double-live wire power supply, an operating power supply and a control power supply are independently paved or are LED lamps integrating power supply, lighting and power-off delayed lighting, the two products cannot be controlled by a single-live wire in actual use, circuit transformation is needed in a single-live wire controlled place, and the latter cannot be well used in a plurality of multi-lamp-head combined lamps or conventional lighting and equipment transformation, for example, large-scale incandescent lamps, fluorescent lamps, color-changeable LED lamps, equipment with lighting requirements and the like are inconvenient to use in upgrading transformation.
Disclosure of Invention
The utility model provides a lamps and lanterns with outage emergency lighting function can be so that carry out the emergency lighting of suitable time and self-closing after certain time delay as required after the outage of lamps and lanterns conventional illumination part.
The utility model provides a technical scheme that above-mentioned technical problem adopted does on the one hand: a lamp with a power-off emergency lighting function is connected to an external power supply through a switch and is characterized by comprising a conventional lighting part and a power-off emergency lighting module.
The conventional lighting part of the lamp is mainly used for lighting under the normal power supply state, and the lighting is stopped after the power is cut off. The conventional lighting part of the lamp consists of: the lamp bracket, the connecting wire and the lighting unit. A lamp holder: a mechanical carrier portion of the lamp; connecting wires: the device is used for connecting a power supply and the lamp lighting unit to form a conducting loop; an illumination unit: the lamp comprises a lamp connector or a lamp connector and a universal lighting product which can be connected and arranged on the lamp connector, and the lighting units can be one group or a plurality of groups. The lighting unit can be provided with the lighting luminous body on the connector or can be a single connector, and the lighting unit can be installed in a plurality of styles according to needs at later stage. The interface preferably uses a national standard universal interface.
In a preferred possible implementation manner, the conventional lighting part of the lamp can be added with control elements or devices such as a remote controller, a light power controller or a group switch of various combined lamps in a circuit to optimize the lighting skill of the lighting of the lamp body, and the normal operation of the power-off emergency lighting module is not affected.
The power-off emergency lighting module comprises: the voltage and current conversion circuit is connected with a power supply circuit of the conventional lighting part of the lamp and is used for providing voltage and current required by the electric energy storage and discharge device when an external power supply is switched on; the electric energy storage and discharge circuit and the device are used for storing electric energy in a power supply state and providing electric energy for the lamp with the power-off emergency lighting function after power failure; emergency lighting control circuit and device: the power supply device is used for monitoring the power-on state of the conventional lighting part of the lamp, supplying the electric energy stored in the electric energy storage and discharge circuit and the device to the emergency lighting assembly when detecting that the power-off state occurs, has a function of stopping power supply at regular time, and can stop power supply when the set time is reached through the timing circuit or stop power supply when the threshold value is reached through monitoring the output voltage of the electric energy storage and discharge circuit and the device; an emergency lighting assembly: at least comprises a luminous body which emits light when the electric energy is provided by the electric energy storage and discharge device.
In a preferred possible implementation manner, the emergency lighting control circuit and the emergency lighting control device of the lamp with the power-off emergency lighting function are further connected to a power circuit of a conventional lighting part of the lamp, and the voltage change of the conventional lighting part of the lamp from a power-on state to a power-off state is compared as a signal input to determine whether to provide electric energy for the emergency lighting component.
In a preferred possible implementation manner, the emergency lighting control circuit and the emergency lighting control device of the lamp with the power-off emergency lighting function are further connected to a voltage-current conversion circuit of the power-off emergency lighting module, and a voltage change of the comparison circuit from a voltage-current output state to a no-voltage-current output state is used as a signal input to determine whether to provide electric energy to the emergency lighting assembly.
In a preferred possible implementation manner, the lamp with the power-off emergency lighting function, the emergency lighting control circuit and the emergency lighting control device of the circuit are further connected to the output terminals of the electric energy storage and discharge circuit and the electric energy storage and discharge device, and are capable of monitoring the voltage output of the electric energy storage and discharge circuit and the electric energy storage and discharge device, stopping supplying the electric energy to the emergency lighting assembly when the monitored output voltage is reduced to the set threshold value, and achieving the function of controlling the emergency lighting time by selecting the power storage capacity of different electric energy storage and discharge circuits and devices or the power consumption of the emergency lighting assembly.
In a preferred possible implementation manner, in the lamp with the power-off emergency lighting function, the lighting unit of the conventional lighting part of the lamp is at least composed of one group, and the universal lighting product is a finished element of various bulbs, tubes, light bars and the like which are circulated in the market.
Preferably, the lamp with the power-off emergency lighting function suddenly recovers power supply when in an emergency lighting state after power off, and the device immediately stops emergency lighting.
In a possible implementation manner, the lamp with the power-off emergency lighting function, the emergency lighting control circuit and the emergency lighting control device are at least composed of a photocoupler 1, a triode 3, a C1 and a resistor R1 capacitor.
The utility model provides a technical scheme on the other hand that above-mentioned technical problem adopted is: the lamp with the power-off emergency lighting function does not perform lighting operation in a normal power supply state, and provides timed emergency lighting when the power supply of the associated electrical appliance is powered off. The lamp with the power-off emergency lighting function comprises: the voltage and current conversion circuit is connected with a power supply circuit of an electrical appliance needing the power-off emergency lighting function and is used for providing voltage and current required by the electric energy storage and discharge device when an external power supply is switched on; the electric energy storage and discharge circuit and the device are used for storing electric energy in a power supply state and providing electric energy for the lamp with the power-off emergency lighting function after power failure; emergency lighting control circuit and device: the power supply device is used for monitoring the power-on state of an electrical appliance needing the power-off emergency lighting function, supplying the electric energy stored by the electric energy storage and discharge circuit and the device to the emergency lighting assembly when the power-off state is detected, has the function of stopping power supply at regular time, and can stop power supply when the set time is reached through the timing circuit or stop power supply when the threshold value is reached through monitoring the output voltage of the electric energy storage and discharge circuit and the device; an emergency lighting assembly: at least comprises a luminous body which emits light when the electric energy is provided by the electric energy storage and discharge device.
In a preferred possible implementation manner, the lamp with the power-off emergency lighting function, the emergency lighting control circuit and the device of the circuit are further connected to a power input end of an electrical appliance needing the power-off emergency lighting function, and whether to provide electric energy for the emergency lighting assembly is determined by using a voltage change of the electrical appliance from a power-on state to a power-off state as a signal input.
In a preferred possible implementation manner, the emergency lighting control circuit and the emergency lighting control device of the lamp with the power-off emergency lighting function are further connected to a voltage-current conversion circuit of the power-off emergency lighting module, and a voltage change of the comparison circuit from a voltage-current output state to a no-voltage-current output state is used as a signal input to determine whether to provide electric energy to the emergency lighting assembly.
In a preferred possible implementation manner, the lamp with the power-off emergency lighting function, the emergency lighting control circuit and the emergency lighting control device of the circuit are further connected to the output terminals of the electric energy storage and discharge circuit and the electric energy storage and discharge device, and are capable of monitoring the voltage output of the electric energy storage and discharge circuit and the electric energy storage and discharge device, stopping supplying the electric energy to the emergency lighting assembly when the monitored output voltage is reduced to the set threshold value, and achieving the function of controlling the emergency lighting time by selecting the power storage capacity of different electric energy storage and discharge circuits and devices or the power consumption of the emergency lighting assembly.
In a preferred possible implementation manner, the lamp with the power-off emergency lighting function suddenly recovers power supply when in an emergency lighting state after power-off, and the device immediately stops emergency lighting.
Preferably, the emergency lighting control circuit and the emergency lighting control device are at least composed of a photoelectric coupler 1, a triode 3, a C1 and a resistor R1 capacitor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings that need to be used in the prior art or the embodiments are briefly introduced below, and the following drawings are the main embodiments of the inventive principle of the present invention, and other drawings according to the present invention can still be obtained according to the principles of the present invention without creative efforts for those skilled in the art.
Fig. 1A is a schematic diagram of a circuit structure of a lamp with a power-off emergency lighting function according to the present invention;
fig. 1B is a schematic circuit structure diagram of another lamp with power-off emergency lighting function according to the present invention;
fig. 2A is a schematic circuit structure diagram of another lamp with power-off emergency lighting function provided by the present invention;
fig. 2B is a schematic circuit structure diagram of another lamp with power-off emergency lighting function according to the present invention;
fig. 3 is a schematic diagram of another circuit embodiment of a lamp with a power-off emergency lighting function according to the present invention;
fig. 4A is a schematic diagram of a circuit structure of a lamp with a power-off emergency lighting function according to the present invention;
fig. 4B is a schematic circuit structure diagram of another lamp with power-off emergency lighting function according to the present invention;
fig. 5A is a schematic circuit structure diagram of another lamp with power-off emergency lighting function according to the present invention;
fig. 5B is a schematic circuit structure diagram of another lamp with power-off emergency lighting function according to the present invention;
fig. 6 is a schematic diagram of another circuit embodiment of a lamp with a power-off emergency lighting function according to the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, some embodiments of the present invention will be described more completely and more clearly below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments can only be a part of all embodiments and not all embodiments. Based on the description of the embodiments of the present invention, all other embodiments made by those skilled in the art without any inventive idea belong to the protection scope of the present invention.
Fig. 1A, fig. 1B, fig. 2A, and fig. 2B are schematic structural diagrams of 4 embodiments of emergency lighting circuits provided by the present invention. As shown in the drawings, the embodiment provides a lamp with a power-off emergency lighting function, which comprises a main lamp conventional lighting part and a power-off emergency lighting module. The lighting units (200, 210) of the main body portion are connected to a control switch (SW1) of an external power source through a connection wire (140). The lighting unit can be a combination which can realize the lighting function and consists of a lamp connector (200) and various finished elements (210) such as bulbs, tubes, light bars and the like which can be connected and installed on the lamp connector and circulate on the market, and can also exist in the form of the lamp connector (200) for the independent and individual selection and installation of the actual user in the later period. The normal illumination section normally operates to provide illumination when the external power switch (SW1) is turned on, and stops operating when the external power switch (SW1) is turned off. 1A, 1B, 2A, 2B the input end of the voltage-current switching circuit (110) of the interrupting electric emergency lighting module part is connected with the power circuit of the conventional lighting part of the lamp and controlled by an external power switch (SW1), and the output end is connected with the input end of the electric energy storage and discharge device (120) and is used for providing required voltage current for the electric energy storage and discharge device (120) when the external power switch (SW1) is switched on; the output end of the electric energy storage and discharge circuit and device (120) is connected with the emergency lighting control circuit and device (130) and is used for storing electric energy when an external power switch (SW1) is switched on and is in a power supply state, the electric energy storage and discharge circuit and device can automatically stop charging after self charging is saturated, and the electric energy storage and discharge circuit and device can discharge electricity after the external power switch (SW1) is switched off to provide electric energy for the power-off emergency lighting module. The output end of the emergency lighting control circuit and device (130) is connected with the emergency lighting assembly (150), and the electric energy required by work is supplied to the emergency lighting assembly (150) according to the power supply and power-off conditions of an external power supply and time setting requirements.
Fig. 1A, fig. 1B, fig. 2A, fig. 2B are schematic structural diagrams of 4 embodiments of emergency lighting circuits provided by the present invention, and the difference in the 4 diagrams as shown in the figure lies in that the power-off signal sampling positions and the time control methods of the emergency lighting control circuit and the device (130) are different. The power-off signal sampling end of the emergency lighting control circuit and device (130) in fig. 1A is connected to the input end of the voltage-current conversion circuit (110), and is directly controlled by the external power switch (SW1), when a low falling edge signal generated by the voltage generated when the external power switch (SW1) is turned on and off is detected, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is immediately turned on to enable the emergency lighting assembly (150) to be lighted for lighting, a time timing function is started in the emergency lighting control circuit and device (130), and when the set time timing is reached or the power switch (SW1) is turned on and power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is cut off to stop lighting.
The power-off signal sampling terminal of the emergency lighting control circuit and device (130) shown in fig. 1B is connected to the output terminal of the voltage-current conversion circuit (110), when a voltage-low falling edge signal formed by the output terminal of the voltage-current conversion circuit (110) stopping outputting due to the on-off of the external power switch (SW1) is detected, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is immediately turned on to light the emergency lighting assembly (150) for illumination, the time counting function is started in the emergency lighting control circuit and device (130), and when the set time counting is reached or the power supply of the voltage-current conversion circuit (110) is detected to be restored, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is cut off to stop illumination.
The powered-off illumination time of the powered-off emergency lighting module shown in fig. 2A is related to the electrical energy storage capability of the electrical energy storage and discharge circuit and device (120), the illumination power of the emergency lighting assembly (150), and the voltage sampling threshold setting of the emergency lighting control circuit and device (130). The voltage sampling signal of the emergency lighting control circuit and device (130) is connected with the output end of the electric energy storage discharge circuit and device (120), the power-off signal sampling end is connected with the input end of the voltage-current conversion circuit (110) and is directly controlled by an external power switch (SW1), and when the voltage generated by the external power switch (SW1) from the on state to the off state is detected to generate a low falling edge signal, the electric energy storage discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are immediately switched on to light the emergency lighting assembly (150) for lighting. The releasing capacity of the stored electric quantity of the electric energy storage and discharge circuit and the device (120) is inversely proportional to the power consumption of the emergency lighting assembly (150), the voltage of the released electric energy is reduced along with the prolonging of the releasing time, and when the voltage sampling signals of the emergency lighting control circuit and the device (130) detect that the output voltage of the electric energy storage and discharge circuit and the device (120) reaches a set threshold value or detect that a power switch (SW1) is closed to recover power supply, the power supply between the electric energy storage and discharge circuit and the device (120) and the emergency lighting assembly (150) is cut off to stop lighting.
The powered-off illumination time of the powered-off emergency lighting module shown in fig. 2B is related to the electrical energy storage capability of the electrical energy storage and discharge circuit and device (120), the illumination power of the emergency lighting assembly (150), and the voltage sampling threshold setting of the emergency lighting control circuit and device (130). The voltage sampling signal of the emergency lighting control circuit and device (130) is connected with the output end of the electric energy storage and discharge circuit and device (120), the power-off signal sampling end is connected with the output end of the voltage-current conversion circuit (110), and when a voltage-low falling edge signal formed by the fact that the output end of the voltage-current conversion circuit (110) stops outputting due to the fact that the external power switch (SW1) is switched on to be switched off is detected, the electric energy storage and discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are immediately switched on to enable the emergency lighting assembly (150) to be turned on to provide lighting. The releasing capacity of the stored electric quantity of the electric energy storage and discharge circuit and the device (120) is inversely proportional to the power consumption of the emergency lighting assembly (150), the voltage of the released electric energy is reduced along with the prolonging of the releasing time, and when the voltage sampling signals of the emergency lighting control circuit and the device (130) detect that the output voltage of the electric energy storage and discharge circuit and the device (120) reaches a set threshold value or detect that a power switch (SW1) is closed to recover power supply, the power supply between the electric energy storage and discharge circuit and the device (120) and the emergency lighting assembly (150) is cut off to stop lighting.
Fig. 3 shows another embodiment of an emergency lighting circuit provided by the present invention. As shown in fig. 1A and fig. 2A, based on the embodiment of fig. 1A and fig. 2A, the present embodiment further details the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) in the above embodiment. Specifically, the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) at least comprises a photoelectric coupler OC1, a triode Q3 and a current-limiting voltage-dividing resistor R1. The electrolytic capacitor C1 functions in the circuit to filter and store the charge at the output of the voltage-to-current converter circuit (110). As shown in fig. 3, the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) is specifically configured such that the photo-electric coupler OC1 is also in a conducting state when the external power switch (SW1) is turned on, and the electric quantity divided by the RI is conducted to the ground, so that the base electrode of the NPN transistor Q3 is in a low level state, and the Q3 is not conducted. When the external power switch (SW1) is turned off, the action of the photoelectric coupler OC1 is cut off, at this time, although the voltage-current conversion circuit (110) also stops working, the electrolytic capacitor C1 still stores a small amount of electric energy and transmits the electric energy to the base electrode of the NPN type triode Q3 through the R1 to generate short saturated conduction, so that a low falling edge trigger signal triggers the emergency lighting control circuit and device (130) to immediately switch on the electric energy storage discharge circuit and the power supply between the device (120) and the emergency lighting component (150) to enable the emergency lighting component (150) to light for illumination and start the time counting function in the emergency lighting control circuit and device (130), and when the set time is up or the power switch (SW1) is detected to be closed to recover the power supply, the power storage discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are cut off to stop lighting.
The product with the frame shown in fig. 1A, 1B, 2A and 2B can also add a remote control light controller, a lamp group lighting controller, a light color controller and other control units at the front end of the lighting units (200, 210) of the conventional lighting part of the lamp to control the lighting units (200, 210) to change and add functions, and the function of the power-off emergency lighting module is not affected by the remote control light controller, the lamp group lighting controller, the light color controller and other control units.
Fig. 4A, fig. 4B, fig. 5A, and fig. 5B are schematic structural diagrams of another 4 embodiments of emergency lighting circuits provided by the present invention. As shown in the figure, the lamp with the power-off emergency lighting function provided by the embodiment is connected with the power supply input end of an electrical appliance (160) needing the power-off emergency lighting function, is controlled by the on and off of the control switch (SW1) of the external power supply, and provides emergency lighting when the external power switch (SW1) is switched from the closed state to the open state.
As shown in fig. 4A, 4B, 5A and 5B, the input terminal of the voltage-current converting circuit (110) of the interrupting emergency lighting module part is connected to the power circuit of the electrical consumer (160) requiring the interrupting emergency lighting function, and is controlled by the external power switch (SW1), and the output terminal is connected to the input terminal of the electrical energy storage and discharge device (120) for providing the required voltage current to the electrical energy storage and discharge device (120) when the external power switch (SW1) is turned on; the output end of the electric energy storage and discharge circuit and device (120) is connected with the emergency lighting control circuit and device (130) and is used for storing electric energy when an external power switch (SW1) is switched on and is in a power supply state, the electric energy storage and discharge circuit and device can automatically stop charging after self charging is saturated, and the electric energy storage and discharge circuit and device can discharge electricity after the external power switch (SW1) is switched off to provide electric energy for the power-off emergency lighting module. The output end of the emergency lighting control circuit and device (130) is connected with the emergency lighting assembly (150), and the electric energy required by work is supplied to the emergency lighting assembly (150) according to the power supply and power-off conditions of an external power supply and time setting requirements.
Fig. 4A, fig. 4B, fig. 5A, and fig. 5B are schematic structural diagrams of 4 embodiments of emergency lighting circuits provided by the present invention, and the difference in the fig. 4 diagrams is that the power-off signal sampling positions and the time control methods of the emergency lighting control circuit and the device (130) are different. The power-off signal sampling terminal of the emergency lighting control circuit and device (130) in fig. 4A is connected to the input terminal of the voltage-current conversion circuit (110), and is directly controlled by the external power switch (SW1), when a low falling edge signal generated by the voltage generated when the external power switch (SW1) is turned on and off is detected, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is immediately turned on to light the emergency lighting assembly (150) for providing lighting, and the time counting function is started in the emergency lighting control circuit and device (130), and when the set time counting is reached or the power switch (SW1) is turned on and power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is stopped for lighting.
As shown in fig. 4B, the power-off signal sampling terminal of the emergency lighting control circuit and device (130) is connected to the output terminal of the voltage-current conversion circuit (110), when a voltage-low falling edge signal generated by the output terminal of the voltage-current conversion circuit (110) stopping outputting due to the on-off of the external power switch (SW1) is detected, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is immediately turned on to light the emergency lighting assembly (150) for illumination, and the time counting function is started in the emergency lighting control circuit and device (130), and when the set time counting is reached or the power supply of the voltage-current conversion circuit (110) is detected to be restored, the power supply between the electric energy storage and discharge circuit and device (120) and the emergency lighting assembly (150) is cut off to stop illumination.
The powered-off illumination time of the powered-off emergency lighting module shown in fig. 5A is related to the electrical energy storage capability of the electrical energy storage and discharge circuit and device (120), the illumination power of the emergency lighting assembly (150), and the voltage sampling threshold setting of the emergency lighting control circuit and device (130). The voltage sampling signal of the emergency lighting control circuit and device (130) is connected with the output end of the electric energy storage discharge circuit and device (120), the power-off signal sampling end is connected with the input end of the voltage-current conversion circuit (110) and is directly controlled by an external power switch (SW1), and when the voltage generated by the external power switch (SW1) from the on state to the off state is detected to generate a low falling edge signal, the electric energy storage discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are immediately switched on to light the emergency lighting assembly (150) for lighting. The releasing capacity of the stored electric quantity of the electric energy storage and discharge circuit and the device (120) is inversely proportional to the power consumption of the emergency lighting assembly (150), the voltage of the released electric energy is reduced along with the prolonging of the releasing time, and when the voltage sampling signals of the emergency lighting control circuit and the device (130) detect that the output voltage of the electric energy storage and discharge circuit and the device (120) reaches a set threshold value or detect that a power switch (SW1) is closed to recover power supply, the power supply between the electric energy storage and discharge circuit and the device (120) and the emergency lighting assembly (150) is cut off to stop lighting.
The powered-off illumination time of the powered-off emergency lighting module shown in fig. 5B is related to the electrical energy storage capability of the electrical energy storage and discharge circuit and device (120), the illumination power of the emergency lighting assembly (150), and the voltage sampling threshold setting of the emergency lighting control circuit and device (130). The voltage sampling signal of the emergency lighting control circuit and device (130) is connected with the output end of the electric energy storage and discharge circuit and device (120), the power-off signal sampling end is connected with the output end of the voltage-current conversion circuit (110), and when a voltage-low falling edge signal formed by the fact that the output end of the voltage-current conversion circuit (110) stops outputting due to the fact that the external power switch (SW1) is switched on to be switched off is detected, the electric energy storage and discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are immediately switched on to enable the emergency lighting assembly (150) to be turned on to provide lighting. The releasing capacity of the stored electric quantity of the electric energy storage and discharge circuit and the device (120) is inversely proportional to the power consumption of the emergency lighting assembly (150), the voltage of the released electric energy is reduced along with the prolonging of the releasing time, and when the voltage sampling signals of the emergency lighting control circuit and the device (130) detect that the output voltage of the electric energy storage and discharge circuit and the device (120) reaches a set threshold value or detect that a power switch (SW1) is closed to recover power supply, the power supply between the electric energy storage and discharge circuit and the device (120) and the emergency lighting assembly (150) is cut off to stop lighting.
Fig. 6 shows another embodiment of an emergency lighting circuit provided by the present invention. As shown in fig. 4A and fig. 5A, based on the embodiment of fig. 4A and fig. 5A, the present embodiment further details the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) in the above embodiment. Specifically, the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) at least comprises a photoelectric coupler OC1, a triode Q3 and a current-limiting voltage-dividing resistor R1. The electrolytic capacitor C1 functions in the circuit to filter and store the charge at the output of the voltage-to-current converter circuit (110). As shown in fig. 3, the power-off signal sampling circuit of the emergency lighting control circuit and the device (130) is specifically configured such that the photo-electric coupler OC1 is also in a conducting state when the external power switch (SW1) is turned on, and the electric quantity divided by the RI is conducted to the ground, so that the base electrode of the NPN transistor Q3 is in a low level state, and the Q3 is not conducted. When the external power switch (SW1) is turned off, the action of the photoelectric coupler OC1 is cut off, at this time, although the voltage-current conversion circuit (110) also stops working, the electrolytic capacitor C1 still stores a small amount of electric energy and transmits the electric energy to the base electrode of the NPN type triode Q3 through the R1 to generate short saturated conduction, so that a low falling edge trigger signal triggers the emergency lighting control circuit and device (130) to immediately switch on the electric energy storage discharge circuit and the power supply between the device (120) and the emergency lighting component (150) to enable the emergency lighting component (150) to light for illumination and start the time counting function in the emergency lighting control circuit and device (130), and when the set time is up or the power switch (SW1) is detected to be closed to recover the power supply, the power storage discharge circuit and the power supply between the device (120) and the emergency lighting assembly (150) are cut off to stop lighting.
The above examples of the embodiments are merely illustrative of the proposed example schemes and do not limit the technical scope thereof. According to the description of the above examples, a person skilled in the art may still modify the technical solutions or make equivalent substitutions for some or all of the technical features; the modifications or the replacements do not have creative efforts, and the essence of the corresponding technical solutions does not depart from the scope of the technical solutions of the embodiments of the invention.
Claims (11)
1. A lamp with power-off emergency lighting function is connected to an external power supply through a switch and is characterized by comprising a lamp conventional lighting part and a power-off emergency lighting module;
the conventional lighting part of the lamp consists of: a lamp holder, a mechanical carrier part of the lamp; the connecting wire is used for connecting the power supply and the lamp lighting unit to form a conducting loop; the lighting unit consists of a lamp connector or a lamp connector and a lighting luminous body which can be connected and arranged on the lamp connector;
the power-off emergency lighting module comprises: the voltage and current conversion circuit is connected with a power supply circuit of the conventional lighting part of the lamp and is used for providing voltage and current required by the electric energy storage and discharge device when an external power supply is switched on; the electric energy storage and discharge circuit and the device are used for storing electric energy in a power supply state and providing electric energy for the lamp with the power-off emergency lighting function after power failure; emergency lighting control circuit and device: the device is used for monitoring the power-on state of the conventional lighting part of the lamp, supplying the electric energy stored by the electric energy storage and discharge circuit and the device to the power-off emergency lighting assembly when detecting that the power-off occurs in the power-on state, has the controllable function of stopping supplying power to the emergency lighting, and can stop when the emergency lighting circuit reaches a set condition or stop when the external power supply is monitored to recover power supply; an emergency lighting assembly: at least comprises a luminous body which emits light when the electric energy is provided by the electric energy storage and discharge device.
2. The lamp with power-off emergency lighting function according to claim 1, wherein the emergency lighting control circuit and the device of the circuit are further connected to the power circuit of the conventional lighting part of the lamp, and the voltage sampling circuit compares the voltage change of the conventional lighting part of the lamp from the power-on state to the power-off state as the signal input to determine whether to provide the power to the emergency lighting component.
3. The lamp of claim 1, wherein the emergency lighting control circuit and the device of the circuit are further connected to a voltage-current conversion circuit of the power-off emergency lighting module, and the voltage sampling circuit compares the voltage change from the voltage-current output state to the no-voltage-current output state as the signal input to determine whether to provide power to the emergency lighting assembly.
4. The lamp as claimed in claim 1, wherein the emergency lighting control circuit and device of the circuit is further connected to the output terminal of the electric energy storage and discharge circuit and device for monitoring the voltage output of the electric energy storage and discharge circuit and device, and when the output voltage is monitored to be reduced to a predetermined threshold, the supply of electric energy to the emergency lighting assembly is stopped, and the emergency lighting time is controlled by selecting different electric energy storage capacities of the electric energy storage and discharge circuit and device or electric power consumption of the emergency lighting assembly.
5. A light fixture with power-off emergency lighting function as claimed in claim 1, wherein said lighting unit of the regular lighting part of the light fixture is composed of at least one group.
6. The lamp with power-off emergency lighting function according to claim 1, wherein the emergency lighting control circuit and device is at least composed of an optoelectronic coupler 1, a transistor 3, a transistor C1, and a resistor R1 capacitor.
7. A lamp with power-off emergency lighting function is characterized in that an input end of a power supply is connected with a power supply of an electrical appliance needing the power-off emergency lighting function, and the power-off emergency lighting which can be timed is provided when the associated power supply of the electrical appliance is turned off, wherein the lamp with the power-off emergency lighting function comprises: the voltage and current conversion circuit is connected with a power supply circuit of an electrical appliance needing the power-off emergency lighting function and is used for providing voltage and current required by the electric energy storage and discharge device when an external power supply is switched on; the electric energy storage and discharge circuit and the device are used for storing electric energy in a power supply state and providing electric energy for the lamp with the power-off emergency lighting function after power failure; emergency lighting control circuit and device: the emergency lighting device is used for monitoring the power-on state of an electrical appliance needing a power-off emergency lighting function, supplying the electric energy stored in the electric energy storage and discharge circuit and the device to the emergency lighting assembly when the power-off state is detected, has a controllable function of stopping supplying power to the emergency lighting, and can stop when the emergency lighting circuit reaches a set condition or stop when the external power supply is monitored to recover power supply; an emergency lighting assembly: at least comprises a luminous body which emits light when the electric energy is provided by the electric energy storage and discharge device.
8. The lamp set with the power-off emergency lighting function according to claim 7, wherein the emergency lighting control circuit and the device of the circuit are further connected to the power input terminal of the electrical appliance requiring the power-off emergency lighting function, and the voltage sampling circuit compares the voltage change of the power circuit of the electrical appliance from the power-on state to the power-off state as the signal input to determine whether to provide the electrical energy to the emergency lighting assembly.
9. The lamp of claim 7 wherein the emergency lighting control circuit and device of the circuit is further connected to the voltage-to-current conversion circuit of the power-off emergency lighting module, and the voltage sampling circuit compares the voltage change from the voltage-to-current output state to the no-voltage-to-current output state as the signal input to determine whether to provide power to the emergency lighting assembly.
10. The lamp of claim 7, wherein the emergency lighting control circuit and device of the circuit is further connected to the output of the electrical energy storage and discharge circuit and device to monitor the voltage output of the electrical energy storage and discharge circuit and device, and when the output voltage is monitored to decrease to a predetermined threshold, the supply of electrical energy to the emergency lighting assembly is stopped, and the emergency lighting time is controlled by selecting different power storage capacities of the electrical energy storage and discharge circuit and device or power consumption of the emergency lighting assembly.
11. The lamp with power-off emergency lighting function of claim 7, wherein the emergency lighting control circuit and device is at least composed of an optoelectronic coupler 1, a transistor 3, a transistor C1, and a resistor R1 capacitor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022212035.5U CN212486856U (en) | 2020-10-05 | 2020-10-05 | Lamp with power-off emergency lighting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022212035.5U CN212486856U (en) | 2020-10-05 | 2020-10-05 | Lamp with power-off emergency lighting function |
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| CN212486856U true CN212486856U (en) | 2021-02-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114511977A (en) * | 2022-02-08 | 2022-05-17 | 深圳市紫光照明技术股份有限公司 | Central control lighting power supply emergency switching system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114511977A (en) * | 2022-02-08 | 2022-05-17 | 深圳市紫光照明技术股份有限公司 | Central control lighting power supply emergency switching system and method |
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