CN222030102U - Lighting lamp control circuit and lighting lamp - Google Patents

Abstract

The utility model relates to the technical field of illumination, and discloses an illumination lamp control circuit and an illumination lamp. The lighting lamp control circuit comprises a transformation rectifying circuit, a charging circuit, a storage battery, a switching circuit and an emergency power supply circuit; the input end of the transformation rectifying circuit is connected with a first power supply, and the transformation rectifying circuit is used for carrying out transformation rectification on the first power supply; the input end of the charging circuit is electrically connected with the output end of the transformation rectifying circuit; the storage battery is electrically connected with the output end of the charging circuit; the first end of the switching circuit is electrically connected with the storage battery; the input end of the emergency power supply circuit is electrically connected with the second end of the switching circuit, and the output end of the emergency power supply circuit is electrically connected with the lamp; the automatic charging of the storage battery is realized through the voltage transformation rectifying circuit and the charging circuit, so that the battery state of the storage battery is always in a full state; through battery, switching circuit and emergent power supply circuit, realize under the emergent condition, the battery is the lamps and lanterns power supply and realize the illumination.

Description

Lighting lamp control circuit and lighting lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to an illumination lamp control circuit and an illumination lamp.

Background

The life, production and other activities of human beings are not separated from illumination, the occasions needing illumination are basically covered with an emergency lighting lamp, and when the basic circuit fails to realize the occasion illumination, the effect of the emergency lighting lamp is important. The existing emergency lighting lamp generally provides an emergency circuit for supplying power to the emergency lighting lamp by a standby power supply on the basis of commercial power, and the standby power supply cannot realize that the battery state of the standby power supply is in a full state all the time, namely the standby power supply has a complicated link of needing manual replacement or manual charging for a period of time, and the emergency lighting cannot be realized because the emergency lighting is needed in special occasions due to the damage of the emergency circuit, so that trouble and loss are caused.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the lighting lamp control circuit which can realize automatic charging of the standby power supply, keep the full state of the standby battery at all times, realize special scenes and still realize emergency lighting when the emergency circuit has faults.

The utility model also provides an illuminating lamp with the illuminating lamp control circuit.

In a first aspect, a lighting lamp control circuit according to an embodiment of the present utility model includes a transformation rectifying circuit, a charging circuit, a storage battery, a switching circuit, and an emergency power supply circuit; the input end of the transformation rectifying circuit is connected with a first power supply, and the transformation rectifying circuit is used for carrying out transformation rectification on the first power supply; the input end of the charging circuit is electrically connected with the output end of the transformation rectifying circuit; the storage battery is electrically connected with the output end of the charging circuit; the first end of the switching circuit is electrically connected with the storage battery; the input end of the emergency power supply circuit is electrically connected with the second end of the switching circuit, and the output end of the emergency power supply circuit is electrically connected with the lamp.

According to some embodiments of the utility model, the transformer rectifier circuit comprises: the primary of the first transformer is connected with the first power supply, the input end of the bridge rectifier circuit is connected with the secondary of the first transformer, and the output end of the bridge rectifier circuit is electrically connected with the input end of the charging circuit.

According to some embodiments of the utility model, the charging circuit includes a voltage comparator, a first relay, and a first triode; the first input end of the voltage comparator is connected with the output end of the transformation rectifying circuit, the second input end of the voltage comparator is connected with the storage battery, and the voltage comparator is used for comparing the voltage of the storage battery with a reference voltage and outputting a comparison result; one end of the first relay is electrically connected with the output end of the voltage transformation rectifying circuit, the movable contact of the first relay is electrically connected with the output end of the voltage transformation rectifying circuit, and the normally open contact of the first relay is electrically connected with the positive electrode of the storage battery; the base of the first triode is electrically connected with the output end of the voltage comparator, the collector of the first triode is electrically connected with the other end of the first relay, and the emitter of the first triode is grounded.

According to some embodiments of the utility model, the voltage comparator includes an operational amplifier, a first diode, and a second diode; the positive input end of the operational amplifier is electrically connected with the output end of the transformation rectifying circuit, and the negative input end of the operational amplifier is electrically connected with the storage battery; the positive electrode of the first diode is electrically connected with the positive input end of the operational amplifier; the negative electrode of the second diode is electrically connected with the negative electrode of the first diode, and the positive electrode of the second diode is grounded.

According to some embodiments of the utility model, the switching circuit comprises a second relay; one end of the second relay is connected with the output end of the transformation rectifying circuit, the other end of the second relay is grounded, a movable contact in the second relay is electrically connected with the anode of the storage battery, and a normally closed contact of the second relay is connected with the input end of the emergency power supply circuit.

According to some embodiments of the utility model, the switching circuit further comprises a switch, one end of the switch is connected to the normally closed contact of the second relay, and the other end of the switch is connected to the input end of the emergency power supply circuit.

According to some embodiments of the utility model, the emergency power supply circuit comprises a signal generator and a push-pull circuit; the input end of the signal generator is connected with the output end of the switching circuit; the output end of the push-pull circuit is electrically connected with the lamp, and the input end of the push-pull circuit is electrically connected with the output end of the signal generator.

According to some embodiments of the utility model, the emergency power supply circuit further comprises at least one heat sink for dissipating heat from the emergency power supply circuit.

According to some embodiments of the utility model, the lamp is further connected with a second power supply, and the second power supply is external.

The lighting lamp control circuit provided by the utility model has at least the following beneficial effects: the automatic charging of the storage battery is realized through the voltage transformation rectifying circuit and the charging circuit, so that the battery state of the storage battery is always in a full state; through battery, switching circuit and emergent power supply circuit, realize under the emergent condition, the battery is the lamps and lanterns power supply and realize the illumination.

In a second aspect, an illumination lamp according to an embodiment of the utility model includes an illumination lamp control circuit as described in any one of the above.

The illuminating lamp provided by the utility model has at least the following beneficial effects: can provide various illumination requirements and meet emergency and/or daily illumination requirements.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic diagram of connection relation of module circuits of an illumination lamp control circuit according to an embodiment of the present utility model;

fig. 2 is a schematic circuit diagram of an illumination lamp control circuit according to an embodiment of the utility model.

Reference numerals: a first power supply 100, a transformation rectifying circuit 110, a charging circuit 120, a storage battery 130, a switching circuit 140, an emergency power supply circuit 150, a push-pull circuit 151, a lamp 160 and a second power supply 170.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, mounting, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably confirmed by those skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, in a first aspect, an illumination lamp control circuit according to an embodiment of the present utility model includes a transformation rectifying circuit 110, a charging circuit 120, a storage battery 130, a switching circuit 140, and an emergency power supply circuit 150; the input end of the transformation rectifying circuit 110 is connected with the first power supply 100, and the transformation rectifying circuit 110 is used for transforming and rectifying the first power supply 100; the input end of the charging circuit 120 is electrically connected with the output end of the transformation rectifying circuit 110; the storage battery 130 is electrically connected with the output end of the charging circuit 120; a first end of switching circuit 140 is electrically connected to battery 130; an input of the emergency power supply circuit 150 is electrically connected to the second end of the switching circuit 140, and an output of the emergency power supply circuit 150 is electrically connected to the lamp 160.

Referring to fig. 1 and 2, according to some embodiments of the present utility model, a transformation rectifying circuit 110 includes: the primary side of the first transformer X1 is connected with the first power supply 100, the input end of the bridge rectifier circuit M1 is connected with the secondary side of the first transformer X1, and the output end of the bridge rectifier circuit M1 is electrically connected with the input end of the charging circuit 120. The ac signal of the first power supply 100 is converted by the first transformer X1 and the bridge rectifier circuit M1, and a dc signal is output at the output terminal of the bridge rectifier circuit M1.

Further, the first power supply 100 may select 220V or 110V mains supply, or may select ac power sources such as a generator, and may be adjusted and selected according to actual needs, so as to meet various use requirements.

Referring to fig. 2, according to some embodiments of the present utility model, the charging circuit 120 includes a voltage comparator, a first relay J1, and a first triode T1, wherein a first input terminal of the voltage comparator is connected to an output terminal of the voltage transformation rectifying circuit 110, a second input terminal of the voltage comparator is connected to the storage battery 130, and the voltage comparator is used for comparing a voltage of the storage battery 130 with a reference voltage and outputting a comparison result; one end of a first relay J1 is electrically connected with the output end of the voltage transformation rectifying circuit 110, a movable contact of the first relay J1 is electrically connected with the output end of the voltage transformation rectifying circuit 110, and a normally open contact N/O of the first relay J1 is electrically connected with the positive electrode of the storage battery 130; the base of the first triode T1 is electrically connected with the output end of the voltage comparator, the collector of the first triode T1 is electrically connected with the other end of the first relay J1, and the emitter of the first triode T1 is grounded. The charging circuit 120 can automatically detect whether the battery state of the storage battery 130 is full, and can charge the storage battery 130 which is not in the full state, so that the battery state of the storage battery 130 is always in the full state.

Referring to fig. 2, according to some embodiments of the present utility model, a voltage comparator includes an operational amplifier IC1, a first diode D5, and a second diode D6; the positive input end of the operational amplifier IC1 is electrically connected with the output end of the transformation rectifying circuit 110, and the negative input end of the operational amplifier IC1 is electrically connected with the storage battery 130; the positive electrode of the first diode D5 is electrically connected with the positive input end of the operational amplifier IC 1; the negative electrode of the second diode D6 is electrically connected to the negative electrode of the first diode D5, and the positive electrode of the second diode D6 is grounded. First diode D5 and second diode D6 are used to determine a reference voltage of battery 130; it is conceivable that the values of the first diode D5 and the second diode D6 are adjusted or selected by the reference voltage so as to be able to satisfy the adaptation of the reference voltage to the battery 130, preventing damage to the battery 130 from affecting the service life thereof.

Referring to fig. 2, the charging circuit 120 further includes at least one charging indicator, where the charging indicator is a light emitting diode LED2, an anode of the light emitting diode LED2 is electrically connected to an output end of the transformer rectifying circuit 110, and a cathode of the light emitting diode LED2 is electrically connected to a collector of the first triode T1, so that whether the storage battery 130 is in a charging state can be intuitively judged by the light emitting diode LED 2; when the voltage of the storage battery is lower than the reference voltage, the output end (the 6 th pin) of the operational amplifier outputs a high level, so that the first triode T1 is conducted, the light emitting diode LED2 is conducted, the charging indicator light is lightened by darkness, the first relay J1 is electrified and sucked, the movable contact of the first relay J1 is connected with the normally open contact N/O, the output end of the bridge rectifier circuit M1 charges the storage battery 130 through the resistor R2, and the charging current of the storage battery 130 during charging can be adjusted by changing the resistance value of the resistor R2, so that the damage to the storage battery 130 caused by overlarge or overlarge charging current is prevented; when the voltage of the storage battery is higher than the reference voltage, the output end (the 6 th pin) of the operational amplifier outputs a low level, so that the first triode T1 is cut off, the light emitting diode LED2 is cut off, the charging indicator lamp is turned on and off, the first relay J1 loses electricity, the movable contact of the first relay J1 is connected with the normally closed contact N/C, the storage battery 130 stops charging, and automatic charging and protection of the storage battery 130 are realized.

Referring to fig. 2, according to some embodiments of the present utility model, the connection relationship of battery 130 and emergency power supply circuit 150 is automatically implemented by switching circuit 140, switching circuit 140 including second relay J2; one end of the second relay J2 is connected with the output end of the voltage transformation rectifying circuit 110, the other end of the second relay J2 is grounded, a movable contact in the second relay J2 is electrically connected with the positive electrode of the storage battery 130, and a normally closed contact N/C of the second relay J2 is connected with the input end of the emergency power supply circuit 150.

Further, referring to fig. 2, when the first power supply 100 in the circuit stops supplying power, the second relay J2 loses power, the movable contact of the second relay J2 is connected with the normally closed contact N/C, the storage battery 130 is connected with the emergency power supply circuit 150, and the storage battery 130 supplies power to the subsequent lamp 160, so as to realize an automatic switching function in emergency. The switching circuit 140 is further provided with a light emitting diode LED1, the anode of the light emitting diode LED1 is connected with the output end of the bridge rectifier circuit M1, and the cathode of the light emitting diode LED1 is grounded; when the first power supply 100 in the circuit stops supplying power, the light emitting diode LED1 turns from bright to dark; when the first power supply 100 in the circuit continuously supplies power, the light emitting diode LED1 continuously turns on; it can be judged whether the first power supply 100 supplies power to the circuit by observing the state of the light emitting diode LED 1.

Referring to fig. 2, according to some embodiments of the present utility model, the switching circuit 140 further includes a switch S1, one end of the switch S1 is connected to the normally closed contact N/C of the second relay J2, and the other end of the switch S1 is connected to the input end of the emergency power supply circuit 150, and when an emergency or other situations in which the connection between the battery 130 and the emergency power supply circuit 150 needs to be disconnected, the connection between the battery 130 and the emergency power supply circuit 150 may be manually disconnected through the switch S1.

According to some embodiments of the utility model, emergency power supply circuit 150 includes signal generator IC2 and push-pull circuit 151; the input end of the signal generator IC2 is connected with the output end of the switching circuit 140, and the output end of the signal generator IC2 outputs 50Hz electric signals; the output end of the push-pull circuit 151 is electrically connected with the lamp 160, the input end of the push-pull circuit 151 is electrically connected with the output end of the signal generator IC2, and the 50Hz electric signal is converted into 220V alternating current electric signal through the push-pull circuit 151 to supply power for the lamp 160.

Referring to fig. 2, an input end of the emergency power supply circuit 150 is connected to an anode of the light emitting diode LED3, and a cathode of the light emitting diode LED3 is grounded. When the storage battery 130 supplies power to the emergency power supply circuit 150, the light emitting diode LED3 turns to be bright from dark; when the battery 130 stops supplying power to the emergency power supply circuit 150, the light emitting diode LED3 turns from bright to dark, and whether the battery 130 is in the power supply state can be intuitively judged by the state of the light emitting diode LED 3.

Further, referring to fig. 2, the signal generator IC2 adopts a chip NE555, a first pin of the chip NE555 is grounded, a fifth pin of the chip NE555 is grounded after passing through a capacitance of 0.01uF, a sixth pin of the chip NE555 is grounded after passing through a capacitance of 10uF, a fourth pin, a seventh pin and an eighth pin of the chip NE555 are connected with the other end of the switch S1, and a second pin of the chip NE555 is connected with the sixth pin of the chip NE 555; the push-pull circuit comprises a second triode T2, a first MOS tube T3, a first MOS tube T4 and a second transformer X2, wherein the base electrode of the second triode T2 is electrically connected with the output end of the signal generator, the emitter electrode of the second triode T2 is grounded, the grid electrode of the first MOS tube T3 is electrically connected with the collector electrode of the second triode T2, the source electrode of the first MOS tube T3 is grounded, the grid electrode of the first MOS tube T4 is electrically connected with the output end of the signal generator, the source electrode of the first MOS tube T4 is grounded, one end of the primary electrode of the second transformer X2 is electrically connected with the drain electrode of the first MOS field effect tube, the other end of the primary electrode of the second transformer X2 is electrically connected with the drain electrode of the second MOS field effect tube, and the secondary electrode of the second transformer X2 is connected with the lamp 160. Through second triode T2, first MOS pipe T3, first MOS pipe T4 and second transformer X2, can change the 50Hz signal of telecommunication of signal generator output into 220V's alternating current signal in second transformer X2's secondary department to normally supply power for lamps and lanterns 160 makes lamps and lanterns 160 can be lighted, satisfies emergency lighting's demand.

According to some embodiments of the present utility model, the emergency power supply circuit 150 further includes at least one radiator for radiating heat from the emergency power supply circuit 150, so as to prevent heat generated by the emergency power supply circuit 150 during operation from damaging circuit devices, and reduce the possibility of influencing the power supply of the lamp 160 due to device damage.

Referring to fig. 1, according to some embodiments of the present utility model, the lamp 160 is further connected with a second power supply 170, and the second power supply 170 is external. Power source when first power supply 100 is powered off and battery 130 fails to normally power light fixture 160, light fixture 160 may power it through second power supply 170.

The second power supply 170 may be mains supply, and the lamp 160 may be a common lighting lamp; the second power supply 170 may also be configured as a power supply device directly connected to the light fixture 160, such as a generator, a backup battery, etc., where the light fixture 160 is powered by the second power supply 170 when needed. It is conceivable that a switching device is also provided between the second power supply 170 and the luminaire 160, by means of which switching device it is controlled whether the second power supply 170 supplies power to the luminaire 160, so that various lighting requirements are met. The second power supply 170 may be located at a larger distance from the lamp 160 when external to satisfy emergency lighting in a specific environment.

The lighting lamp control circuit provided by the utility model has at least the following beneficial effects: the automatic charging of the storage battery 130 and the automatic end of the charging state after the charging are realized through the voltage transformation rectifying circuit 110 and the charging circuit 120, so that the battery state of the storage battery 130 is always in a full state, and the overcharge of the storage battery 130 is prevented; through the storage battery 130, the switching circuit 140 and the emergency power supply circuit 150, the storage battery 130 supplies power to the lamp 160 and realizes illumination in an emergency situation; the radiator is arranged to radiate heat of the circuit device, so that the device is prevented from being damaged due to heating when the device works, and the emergency use of the lamp is prevented from being influenced; the working states of devices corresponding to the indicator lamps can be intuitively judged by arranging the indicator lamps at a plurality of positions; the second power supply 170 also enables the light 160 to realize daily illumination, or enables the light 160 to be used for illumination when a front-end circuit fails, so as to realize various illumination requirements.

In a second aspect, an illumination lamp according to an embodiment of the utility model includes an illumination lamp control circuit as defined in any one of the above.

The illuminating lamp provided by the utility model has at least the following beneficial effects: can provide various illumination requirements and meet emergency and/or daily illumination requirements.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A lighting lamp control circuit, comprising: A transformer and rectifier circuit, the input end of which is connected to a first power supply, and the transformer and rectifier circuit is used to transform and rectify the first power supply; A charging circuit, the input end of which is electrically connected to the output end of the transformer and rectifier circuit; a storage battery, electrically connected to an output end of the charging circuit; a switching circuit, wherein a first end of the switching circuit is electrically connected to the battery; An emergency power supply circuit, an input end of which is electrically connected to the second end of the switching circuit, and an output end of the emergency power supply circuit is electrically connected to the lamp. 2. The lighting lamp control circuit according to claim 1, characterized in that the transformer rectifier circuit comprises: a first transformer, wherein a primary side of the first transformer is connected to the first power supply; A bridge rectifier circuit, wherein the input end of the bridge rectifier circuit is connected to the secondary of the first transformer, and the output end of the bridge rectifier circuit is electrically connected to the input end of the charging circuit. 3. The lighting lamp control circuit according to claim 1, characterized in that the charging circuit comprises: A voltage comparator, wherein a first input terminal of the voltage comparator is connected to the output terminal of the transformer and rectifier circuit, a second input terminal of the voltage comparator is connected to the battery, and the voltage comparator is used to compare the voltage of the battery with a reference voltage and output a comparison result; a first relay, wherein one end of the first relay is electrically connected to the output end of the transformer and rectifier circuit, a moving contact of the first relay is electrically connected to the output end of the transformer and rectifier circuit, and a normally open contact of the first relay is electrically connected to the positive electrode of the battery; A first transistor, wherein the base of the first transistor is electrically connected to the output end of the voltage comparator, the collector of the first transistor is electrically connected to the other end of the first relay, and the emitter of the first transistor is grounded. 4. The lighting lamp control circuit according to claim 3, characterized in that the voltage comparator comprises: An operational amplifier, wherein a positive input terminal of the operational amplifier is electrically connected to an output terminal of the transformer and rectifier circuit, and a negative input terminal of the operational amplifier is electrically connected to the battery; a first diode, wherein an anode of the first diode is electrically connected to a positive input terminal of the operational amplifier; A second diode, wherein a cathode of the second diode is electrically connected to a cathode of the first diode, and an anode of the second diode is grounded. 5. The lighting lamp control circuit according to claim 1, characterized in that the switching circuit comprises: A second relay, one end of the second relay is connected to the output end of the transformer and rectifier circuit, the other end of the second relay is grounded, the moving contact in the second relay is electrically connected to the positive pole of the battery, and the normally closed contact of the second relay is connected to the input end of the emergency power supply circuit. 6. The lighting lamp control circuit according to claim 5, characterized in that the switching circuit further comprises a switch, one end of the switch is connected to the normally closed contact of the second relay, and the other end of the switch is connected to the input end of the emergency power supply circuit. 7. The lighting lamp control circuit according to claim 1, characterized in that the emergency power supply circuit comprises: A signal generator, whose input end is connected to the output end of the switching circuit; A push-pull circuit, an output end of which is electrically connected to the lamp, and an input end of which is electrically connected to an output end of the signal generator. 8. The lighting lamp control circuit according to claim 7, characterized in that the emergency power supply circuit further comprises at least one heat sink, and the heat sink is used to dissipate heat from the emergency power supply circuit. 9. The lighting lamp control circuit according to claim 1, characterized in that the lamp is also connected to a second power supply, and the second power supply is external. 10. An illuminating lamp, characterized in that it comprises the illuminating lamp control circuit according to any one of claims 1 to 9.