CN213403571U - Ultraviolet disinfection lamp and lamp control circuit - Google Patents

Abstract

The utility model relates to a lamp control circuit, which comprises a boosting device, a control circuit and a control circuit, wherein the boosting device is used for being electrically connected with a lamp body and outputting a driving voltage for driving the lamp body to work; the control device is used for receiving the signals, processing and sending out instructions; the power supply device is used for providing working voltage for the boosting device and the control device; the gravity sensing device is electrically connected with the control device and used for detecting the posture change of the lamp body and sending a generated signal to the control device; and the execution device is electrically connected with the control device and used for receiving the command sent by the control device and switching on or off the power-on loop of the lamp body. The utility model discloses have the effect that makes its stop work after the lamp body emptys.

Description

Ultraviolet disinfection lamp and lamp control circuit

Technical Field

The utility model belongs to the technical field of the technique of lamp accuse and specifically relates to an ultraviolet disinfection lamp and lamp accuse circuit are related to.

Background

The ultraviolet ray disinfection lamp is a lamp for disinfection by using the sterilization effect of ultraviolet rays, and the ultraviolet ray irradiation destroys and changes the DNA structure of microorganisms, so that the bacteria can die immediately or cannot breed the offspring, and the purpose of sterilization is achieved.

The existing desk lamp type ultraviolet disinfection lamp consists of an ultraviolet lamp and a related circuit board, after an external power supply is connected, the ultraviolet disinfection lamp is lightened for disinfecting small articles such as mobile phones and masks, and the articles to be disinfected are directly placed under the light for standing for a period of time when the desk lamp type ultraviolet disinfection lamp is used.

The above prior art solutions have the following drawbacks: in the disinfection process, the ultraviolet disinfection lamp may incline due to unstable placement or due to the condition that people and pets touch by mistake, the ultraviolet disinfection lamp after being inclined still works, the ultraviolet rays emitted by the ultraviolet disinfection lamp can cause injury if irradiating the people or the pets, and the problem cannot be solved due to the limitation of hardware of the existing ultraviolet disinfection lamp.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a lamp control circuit, it provides a circuit hardware basis, and this circuit can be configured to make the adjustment to the operating condition of lamp body after the ultraviolet disinfection lamp is emptyd to reduce safe risk.

The above first object of the present invention is achieved by the following technical solutions:

a lamp control circuit comprises a boosting device, a control circuit and a control circuit, wherein the boosting device is electrically connected with a lamp body and outputs driving voltage for driving the lamp body to work; the control device is used for receiving the signals, processing and sending out instructions; the power supply device is used for providing working voltage for the boosting device and the control device; the gravity sensing device is electrically connected with the control device and used for detecting the posture change of the lamp body and sending a generated signal to the control device; and the execution device is electrically connected with the control device and used for receiving the command sent by the control device and switching on or off the power-on loop of the lamp body.

By adopting the technical scheme, the gravity sensing device detects the posture change of the lamp body to generate data and transmits the data to the control device, the control device sends out corresponding instructions according to the data, the execution device receives the instructions sent by the control device and executes the on-off action of the lamp body, the limitation of circuit hardware of the existing lamp control circuit is broken through, and the gravity sensing device can be configured to perform the functions of adjusting the working state of the lamp to reduce safety risks and the like after the inclination of the lamp body is detected.

The present invention may be further configured in a preferred embodiment as: the gravity sensing device is set as an acceleration sensor, and the acceleration sensor is connected to the control device through signals.

By adopting the technical scheme, the acceleration sensor generates data according to the attitude change of the lamp body and transmits the data to the control device, and the control device further sends a next step instruction after processing the data.

The present invention may be further configured in a preferred embodiment as: the executing device comprises a switch element connected in series in an electrifying loop of the lamp body, and a control end of the switch element is electrically connected to the control device.

By adopting the technical scheme, the control device sends an instruction to the control end of the switch element, and the switch element performs the operation of switching on or switching off the power-on loop of the lamp body according to the instruction.

The present invention may be further configured in a preferred embodiment as: the power supply device is set as a voltage stabilizing circuit which takes the voltage of the battery as input and outputs working voltage for the work of the booster device and the control device.

By adopting the technical scheme, the voltage stabilizing circuit converts and stably outputs the output voltage of the battery into the working voltage of the control device and the gravity sensing device, and when the voltage of the battery is gradually reduced, the voltage stabilizing circuit can still keep the output voltage basically unchanged, thereby providing guarantee for the normal work of the control device and the gravity sensing device.

The present invention may be further configured in a preferred embodiment as: the power supply device further comprises a charging management device, wherein the input end of the charging management device is electrically connected with an external power supply, and the output end of the charging management device is electrically connected with the battery and used for charging the battery.

Through adopting above-mentioned technical scheme, when the battery electric quantity is not enough, make external power source insert the input of charge management device, behind the charge management device, charge the battery, need not to disassemble the battery when charging, make things convenient for battery charging.

The present invention may be further configured in a preferred embodiment as: the lamp control circuit further comprises a temperature monitoring device, wherein the temperature monitoring device is in signal connection with the control device and is used for monitoring the temperature of the surrounding environment.

By adopting the technical scheme, the temperature monitoring device acquires the temperature information of the surrounding environment and transmits the information to the control device, and the control device can control the execution device according to the acquired information so as to control whether the lamp body works or not.

The present invention may be further configured in a preferred embodiment as: the lamp control circuit further comprises a delay control device, and the delay control device is electrically connected with the control device and used for selecting the delay time of the lamp body.

By adopting the technical scheme, the control device can control the working time of the lamp body, so that a user can select proper working time according to own requirements, and the use of the user is facilitated.

The present invention may be further configured in a preferred embodiment as: the delay control device comprises a single-row three-gear toggle switch and a voltage division circuit, the voltage division circuit comprises a first voltage division resistor and a second voltage division resistor which are connected in series, a common end of the single-row three-gear toggle switch is electrically connected to the control device, the common end is connected into working voltage through the first voltage division resistor, a vacant end, a voltage division end and a grounding end are contained in a selective connection end of the single-row three-gear toggle switch, the vacant end is vacant, the voltage division end is grounded through the second voltage division resistor, and the grounding end is grounded.

By adopting the technical scheme, when the vacant end is selected, the single-row three-gear toggle switch does not form an electrified loop, and the voltage at the shared end is the working voltage accessed by the first divider resistor; when the voltage dividing end is selected, the single-row three-gear toggle switch forms a power-on loop, and the voltage at the shared end is the voltage at two ends of the second voltage dividing resistor; when the grounding end is selected, the single-row three-gear toggle switch also forms an electrified loop, but the voltage at the common end is 0V, and the control device controls the lamp body to carry out different working time through the change of the voltage state of the common end.

The present invention may be further configured in a preferred embodiment as: the lamp control circuit further comprises an electric quantity monitoring device, and the electric quantity monitoring device is electrically connected with the battery and the control device and used for monitoring the residual electric quantity of the battery.

By adopting the technical scheme, the control device acquires the electric quantity information of the battery, and the control device can send an electric quantity warning to the user according to the acquired information to remind the user to charge the battery.

The second objective of the utility model is to provide an ultraviolet disinfection lamp, it possesses the circuit hardware basis that more has the expansibility, and this circuit can be configured to make the adjustment to the operating condition of lamp body after ultraviolet disinfection lamp emptys to reduce safe risk.

The above second object of the present invention can be achieved by the following technical solutions:

an ultraviolet disinfection lamp comprises a body and the lamp control circuit.

Through adopting above-mentioned technical scheme, gravity induction system is used for detecting the gesture change of body, gives controlling means with signal transmission, and the instruction that controlling means sent is received to the final controlling element, and the action of execution break-make breaks through the circuit hardware limitation of the lamp control circuit of current ultraviolet disinfection lamp, can be configured as and topple over the back detecting ultraviolet disinfection lamp, makes the adjustment to the operating condition of lamp body to reduce the injury to people or pet.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the gravity sensing device can detect the posture change of the lamp body to generate data and transmit the data to the control device, the control device sends out corresponding instructions according to the data, the execution device receives the instructions sent by the control device and executes the on-off action, the limitation of circuit hardware of the existing lamp control circuit is broken through, and multiple functions can be configured, for example, after the inclination of the lamp is detected, the working state of the lamp is adjusted to reduce the safety risk and the like; the control circuit processes and sends a corresponding instruction, so that the execution device is controlled to switch on or switch off an electrifying loop of the lamp body, and the lamp body can stop working under the condition that the set angle is exceeded;

2. the working time of the lamp body is controlled by the delay control device, so that a user can select the lamp body according to the self requirement;

3. the ultraviolet disinfection lamp using the lamp control circuit has the function of stopping working after dumping, and reduces the harm to people or pets after dumping.

Drawings

Fig. 1 is a logic diagram of a lamp control circuit.

Fig. 2 is a circuit diagram of the power supply device.

FIG. 3 is a circuit diagram of a voltage regulator circuit.

Fig. 4 is a circuit diagram of the control device.

Fig. 5 is a circuit diagram of the gravity sensing device.

Fig. 6 is a circuit diagram of the booster device.

Fig. 7 is a circuit diagram of an actuator.

Fig. 8 is a circuit diagram of the delay control device.

Fig. 9 is a circuit diagram of the temperature monitoring device.

Fig. 10 is a circuit diagram of the charge monitoring device.

Fig. 11 is a circuit diagram of the USB monitoring device.

Fig. 12 is a circuit diagram of the status indicating apparatus.

Fig. 13 is a schematic view of the structure of the ultraviolet disinfection lamp.

Fig. 14 is a schematic structural view of the lamp body in the lamp housing.

In the figure, 101, a first capacitor; 102. a second capacitor; 103. a third capacitor; 104. a fourth capacitor; 105. a fifth capacitor; 106. a sixth capacitor; 107. a seventh capacitance; 108. an eighth capacitor; 109. a ninth capacitor; 110. a tenth capacitance; 111. an eleventh capacitance; 112. a twelfth capacitor; 113. a thirteenth capacitor; 114. a fourteenth capacitance; 115. a fifteenth capacitor; 116. a sixteenth capacitor; 117. a seventeenth capacitor; 118. an eighteenth capacitor; 119. a nineteenth capacitance; 120. a twentieth capacitance; 121. a twenty-first capacitor; 122. a twenty-second capacitor; 123. a twenty-third capacitance; 124. a twenty-fourth capacitor; 125. a twenty-fifth capacitor; 126. a twenty-sixth capacitor; 127. a twenty-seventh capacitor; 128. a twenty-eighth capacitor; 129. a twenty-ninth capacitor; 201. a first resistor; 202. a second resistor; 203. a third resistor; 204. a fourth resistor; 205. a fifth resistor; 206. a first voltage dividing resistor; 207. a second voltage dividing resistor; 208. an eighth resistor; 209. a ninth resistor; 210. a tenth resistor; 211. an eleventh resistor; 212. a twelfth resistor; 213. a thirteenth resistance; 214. a fourteenth resistance; 215. a fifteenth resistor; 216. a sixteenth resistor; 217. a seventeenth resistor; 218. an eighteenth resistor; 219. a nineteenth resistor; 250. a thermistor; 301. a mobile power supply SOC chip; 302. a voltage stabilization chip; 303. a main control chip; 304. an acceleration sensor; 305. a synchronous boost converter; 401. a first light emitting diode; 402. a second light emitting diode; 403. a third light emitting diode; 404. a fourth light emitting diode; 405. a fifth light emitting diode; 406. a sixth light emitting diode; 407. a seventh light emitting diode; 408. an eighth light emitting diode; 501. a triode; 502. an MOS tube; 601. a key switch; 602. a single-row three-gear toggle switch; 603. a USB input port; 604. a USB output port; 701. a control device; 702. a voltage boosting device; 703. a power supply device; 704. a gravity sensing device; 705. an execution device; 706. a temperature monitoring device; 707. a delay control device; 708. an electric quantity monitoring device; 709. a USB monitoring device; 710. a status indicating device; 711. a voltage stabilizing circuit; 712. a charging management device; 713. an external power input device; 714. a management device; 715. an external power supply device; 716. an electric quantity display component; 717. a boost peripheral circuit; 718. a key backlight; 801. a first inductor; 802. a second inductor; 9. a body; 91. a base housing; 92. a lamp holder; 93. a lamp shade; 94. and a lamp body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

This embodiment discloses a lamp accuse circuit, lamp accuse circuit can carry out the break-make to the lamp body according to the gesture of lamp body, refer to fig. 1, and lamp accuse circuit includes: a control device 701 for receiving signals, processing and issuing commands; a boosting device 702 for electrically connecting with the lamp body and outputting a driving voltage for driving the lamp body to operate; a power supply device 703 for supplying an operating voltage to the boosting device 702 and the control device 701; a gravity sensing means 704 for detecting a posture change of the lamp body and transmitting a generated signal to the control means 701; an executing device 705 for receiving the command from the control device 701 and switching on or off the power-on circuit of the lamp body; a temperature monitoring device 706 for detecting the temperature of the surrounding environment; the time delay control circuit is used for selecting the time delay of the lamp body; and a power monitoring device 708 for monitoring the remaining power of the battery. The posture change of the lamp body is detected by the gravity sensing device 704, and data is transmitted to the control device 701, if the data exceeds a set threshold, the control device 701 controls the execution device 705 to cut off the power-on loop of the lamp body, and then the lamp body stops working when the inclination occurs.

As shown in fig. 1, the power supply device 703 includes a voltage stabilizing circuit 711 that supplies an operating voltage to the voltage boosting device 702 and the control device 701, and a charge management device 712 that charges a battery.

Referring to fig. 2, the charging management device 712 includes an external power input device 713 electrically connected to an external power, a management device 714 electrically connected to the external power input device 713, and an external power supply device 715 electrically connected to the management device 714.

The input terminal of the external power input device 713 is used for electrically connecting with an external power, and includes a USB input port 603 of a Micro USB type, a first resistor 201, a first capacitor 101, and a second capacitor 102. The power supply terminal of the USB input port 603 is grounded after the second capacitor 102 is grounded, one end of the first resistor 201 is electrically connected to the power supply terminal of the USB input port 603, the other end of the first resistor 201 is electrically connected to the first capacitor 101, and the end of the first capacitor 101 away from the first resistor 201 is grounded. An external power supply is connected to the USB input port 603 to supply power to the lamp control circuit.

The management device 714 has an input end electrically connected with an output end of the external power input device 713, an output end electrically connected with the battery for charging the battery, and comprises a mobile power supply SOC chip 301 with a model number of IP5306, a first inductor 801, a second resistor 202, a third capacitor 103, a fourth capacitor 104 and a power quantity display component 716, wherein a Vin port of the mobile power supply SOC chip 301 is electrically connected with a power supply end of the USB input port 603, one end of the first inductor 801 is electrically connected with a SW port of the mobile power supply SOC chip 301, the other end of the first inductor 801 is electrically connected with the second resistor 202, one end of the first inductor 801 close to the second resistor 202 is electrically connected with the battery, one end of the third capacitor 103 is electrically connected with a BAT port of the mobile power supply SOC chip 301, the other end of the third capacitor 103 is grounded, one end of the third capacitor 103 far away from the second resistor 202 is electrically connected with one end of the second resistor, the other end is grounded.

The power display module 716 includes a first led 401, a second led 402, a third led 403, and a fourth led 404. The anode of the first light emitting diode 401 is electrically connected with the port L1 of the mobile power supply SOC chip 301, and the cathode is electrically connected with the port INT of the mobile power supply SOC chip 301; the cathode of the second light emitting diode 402 is electrically connected with the port L1 of the mobile power supply SOC chip 301, and the anode is electrically connected with the port INT of the mobile power supply SOC chip 301; the anode of the third light emitting diode 403 is electrically connected with the port L1 of the mobile power supply SOC chip 301, and the cathode is electrically connected with the port INT of the mobile power supply SOC chip 301; the cathode of the fourth light emitting diode 404 is electrically connected to the port L1 of the portable power source SOC chip 301, and the anode is electrically connected to the port INT of the portable power source SOC chip 301. Along with the change of the battery capacity, the voltages of the L1 port, the L2 port and the INT port of the mobile power supply SOC chip 301 change, so that the capacity display module 716 can change states along with the change of the battery capacity, thereby facilitating the observation of the battery capacity.

The external power supply device 715 includes a USB output port 604, a twenty-sixth capacitor 126 and a twenty-seventh capacitor 127, one end of the twenty-sixth capacitor 126 is connected to the power supply terminal of the USB output port 604, the other end of the twenty-sixth capacitor 126 is grounded, the twenty-seventh capacitor 127 is connected to the twenty-sixth capacitor 126 in parallel, the ground terminal of the USB output port 604 is grounded, and the power supply terminal of the USB output port 604 is electrically connected to the VOUT port of the mobile power supply SOC chip 301. The external device can obtain the battery power by connecting with the USB output port 604 to charge itself.

Referring to fig. 3, the voltage stabilizing circuit 711 takes a battery voltage AS an input, and includes a voltage stabilizing chip 302 with model AS7125, a fifth capacitor 105, and a sixth capacitor 106, an input end of the voltage stabilizing chip 302 is electrically connected to a positive electrode of the battery, and the fifth capacitor 105 and the sixth capacitor 106 are connected in parallel between an input end of the voltage stabilizing chip 302 and a ground end; a seventh capacitance 107 and an eighth capacitance 108 are also included. The seventh capacitor 107 and the eighth capacitor 108 connected in parallel are connected between the output end of the voltage stabilization chip 302 and the ground end. The output end of the voltage stabilizing chip 302 outputs 2.5V voltage for providing working voltage for the gravity sensing device 704 and the control device 701.

Referring to fig. 4, an input voltage of the control device 701 is provided by a voltage stabilizing circuit 711, and the control device 701 includes a main control chip 303 of model a94B114AEN, a ninth capacitor 109, and a key switch 601.

The VDD port of the main control chip 303 is electrically connected to the output terminal of the voltage stabilization chip 302, one end of the ninth capacitor 109 is electrically connected to the VDD port of the main control chip 303, the other end is grounded, the GND port of the main control chip 303 is grounded, one end of the key switch 601 is electrically connected to the P02 port of the main control chip 303, and the other end is grounded. When the key of the key switch 601 is pressed, the P02 port of the main control chip 303 is grounded and at a low level, so that the main control chip 303 operates, and when the key of the key switch 601 is pressed, the P02 port of the main control chip 303 is empty, so that the main control chip 303 cannot operate. By downloading the corresponding program into the main control chip 303, the main control chip 303 controls the operation of each device in the lamp control circuit, processes the data transmitted from the gravity sensing device 704, and then sends out the corresponding control instruction.

Referring to fig. 5, the gravity sensing apparatus 704, which has an output voltage of a regulator 711 as an input voltage, is connected to the control apparatus 701 and the lamp body, detects a change in posture of the lamp body to generate data, and transmits the data to the control apparatus 701, and includes an acceleration sensor 304 of a type QMA7981, a tenth resistor 210, an eleventh resistor 211, a tenth capacitor 110, an eleventh capacitor 111, and a twelfth capacitor 112. The VDDIO port of the acceleration sensor 304 is electrically connected with the output end of the voltage stabilization chip 302, the SDX port of the acceleration sensor 304 is electrically connected with the P12 port of the main control chip 303, the SCX port of the acceleration sensor 304 is electrically connected with the P13 port of the main control chip 303, the SENB port of the acceleration sensor 304 is connected with the output end of the voltage stabilization chip 302, the RESV1 port of the acceleration sensor 304 is grounded, the ADO port of the acceleration sensor 304 is grounded, and the GND port and the GNDIO port of the acceleration sensor 304 are both grounded. One end of the tenth resistor 210 is electrically connected to the SDX port of the acceleration sensor 304, the other end is electrically connected to the output terminal of the voltage stabilization chip 302, one end of the eleventh resistor 211 is electrically connected to the SCX port of the acceleration sensor 304, the other end is electrically connected to the output terminal of the voltage stabilization chip 302, one end of the tenth capacitor 110 is electrically connected to the output terminal of the voltage stabilization chip 302, the other end is grounded, one end of the eleventh capacitor 111 is electrically connected to the VDD port of the acceleration sensor 304, and the other end is grounded. The acceleration sensor 304 transmits the inclination angle data of the acceleration sensor to the main control chip 303, the main control chip 303 compares the inclination angle data with a set threshold value after receiving the inclination angle data, and when the inclination angle data exceeds the threshold value, the port P10 of the main control chip 303 outputs a low level; when the threshold is not exceeded, the P10 port of the master chip 303 outputs a high level, and the P03 port outputs a high level.

Referring to fig. 6, the voltage boost device 702 provides a lamp body with a driving voltage for driving the lamp body to operate, and includes a synchronous boost converter 305 of AP2016 and a boost peripheral circuit 717, a VIN port of the synchronous boost converter 305 is electrically connected to an anode of a battery, an EN port is electrically connected to a P03 port of the main control chip 303, an OUT1 port is electrically connected to the anode of the lamp body, the boost peripheral circuit 717 includes a second inductor 802, a sixteenth capacitor 116, a seventeenth capacitor 117, a twenty third capacitor 123, a twelfth resistor 212, a thirteenth resistor 213 and a fourteenth resistor 214, one end of the second inductor 802 is electrically connected to the anode of the battery, the other end is electrically connected to a SW port of the synchronous boost converter 305, one end of the seventeenth capacitor 117 is electrically connected to the SW port of the synchronous boost converter 305, the other end is electrically connected to a BST port, one end of the sixteenth capacitor 116 is electrically, a thirteenth resistor 213 is connected in series between the FB port and the OUT1 port of the synchronous boost converter 305, one end of a twelfth resistor 212 is electrically connected to the FB port of the synchronous boost converter 305, the other end is grounded, one end of a fourteenth resistor 214 is electrically connected to the ILIM port of the synchronous boost converter 305, the other end is grounded, one end of a twenty-third capacitor 123 is electrically connected to the SS port of the synchronous boost converter 305, the other end is grounded, and the MODE port, the AGND port, and the PGND port of the synchronous boost converter 305 are all grounded.

The boost peripheral circuit 717 further includes a thirteenth capacitor 113, a fourteenth capacitor 114 connected in parallel with the thirteenth capacitor 113, and a fifteenth capacitor 115 connected in parallel with the fourteenth capacitor 114, wherein one end of the thirteenth capacitor 113 is electrically connected to the SW port of the synchronous boost converter 305, and the other end is grounded. The voltage boosting peripheral circuit 717 further includes an eighteenth capacitor 118, a nineteenth capacitor 119 connected in parallel with the eighteenth capacitor 118, a twentieth capacitor 120 connected in parallel with the nineteenth capacitor 119, a twenty-first capacitor 121 connected in parallel with the twentieth capacitor 120, a twenty-second capacitor 122 connected in parallel with the twenty-first capacitor 121, and a twenty-fourth capacitor 124 connected in parallel with the twenty-second capacitor 122, wherein one end of the eighteenth capacitor 118 is electrically connected to the OUT3 port, the OUT2 port, and the OUT1 port of the synchronous voltage boosting converter 305, and the other end is grounded. The main control chip 303 controls the EN port of the synchronous boost converter 305 through the P03 port, thereby controlling the boost device 702, when the P03 port outputs a high level, the EN port is activated, the high level is input, the synchronous boost converter 305 operates, and a driving voltage for driving the lamp body to operate is output.

Referring to fig. 7, the actuator 705 is used to turn on or off the energizing circuit of the lamp body, and includes a switching element, an eighth resistor 208, and a ninth resistor 209, where the switching element is a MOS transistor 502, and the MOS transistor 502 is an NMOS. One end of the eighth resistor 208 is electrically connected to the P10 port of the main control chip 303, and the other end is electrically connected to the gate of the MOS transistor 502; one end of the ninth resistor 209 is connected with the gate of the MOS transistor 502, and the other end is grounded; the source of the MOS transistor 502 is connected to the negative electrode of the lamp body, and the drain of the MOS transistor 502 is grounded. The main control chip 303 controls whether the MOS transistor 502 is turned on or not through the P10 port, and when the P10 port of the main control chip 303 is at a low level, the source of the MOS transistor 502 is at a low level, the MOS transistor 502 is in an off state, and the lamp body cannot form an energizing loop; when the P10 port of the main control chip 303 is at a high level, the source of the MOS transistor 502 is at a high level, and the MOS transistor 502 is in a conducting state, so that the lamp body forms an energizing loop.

Referring to fig. 8, the delay control device 707 is used for selecting the delay time of the lamp body, and includes a first voltage dividing resistor 206, a second voltage dividing resistor 207, and a single-row three-stage toggle switch 602, where pin 3 of the single-row three-stage toggle switch 602 is a common terminal, pin 1 is a dead terminal, pin 2 is a voltage dividing terminal, and pin 4 is a ground terminal. One end of the first voltage-dividing resistor 206 is electrically connected to the output end of the voltage-stabilizing chip 302, the other end is electrically connected to the common end of the single-row three-stage toggle switch 602, one end of the second voltage-dividing resistor 207 is electrically connected to the voltage-dividing end of the single-row three-stage toggle switch 602, the other end is grounded, the blank end of the single-row three-stage toggle switch 602 is blank, and the ground end is grounded. When the common terminal is connected with the idle terminal, the voltage at the P07 port of the main control chip 303 is 2.5V; when the common terminal is connected with the voltage dividing terminal, the voltage at the P07 port of the main control chip 303 is 1.25V; when the common terminal is connected to the ground terminal, the voltage at the P07 port of the main control chip 303 is 0V, and the operating time of the lamp body is controlled by changing the voltage at the P07 port.

Referring to fig. 9, the temperature monitoring device 706 for detecting the temperature of the surrounding environment includes the thermistor 250, the fifteenth resistor 215 and the twenty-fifth capacitor 125. One end of the thermistor 250 is electrically connected to the output end of the voltage stabilizing chip 302, the other end of the thermistor is electrically connected to the fifteenth resistor 215 and is electrically connected to the P04 port of the main control chip 303, one end of the fifteenth resistor 215, which is far away from the thermistor 250, is grounded, and the twenty-fifth capacitor 125 is connected in parallel with the fifteenth resistor 215. When the ambient temperature is monitored, the resistance of the thermistor 250 decreases, the voltage across the fifteenth resistor 215 increases, and the voltage at the P04 port of the main control chip 303 increases.

Referring to fig. 10, the power monitoring device 708 is used for monitoring the remaining power of the battery and includes a sixteenth resistor 216, a seventeenth resistor 217, and a twenty-eighth capacitor 128. One end of the sixteenth resistor 216 is electrically connected to the positive electrode of the battery, the other end of the sixteenth resistor 216 is electrically connected to the seventeenth resistor 217 and is electrically connected to the BAT port of the main control chip 303, one end of the seventeenth resistor 217, which is far away from the sixteenth resistor 216, is grounded, and the twenty-eighth capacitor 128 is connected in parallel to the seventeenth resistor 217. The electric quantity of the battery is monitored, and as the electric quantity of the battery is gradually consumed, the voltage at the two ends of the seventeenth resistor 217 is gradually reduced, and the voltage at the BAT port of the main control chip 303 is gradually reduced.

Referring to fig. 11, the lamp control circuit further includes a USB monitoring device 709, where the USB monitoring device 709 is used to monitor whether the USB input port 603 is connected to an external power source, and includes an eighteenth resistor 218, a nineteenth resistor 219, and a twenty-ninth capacitor 129. One end of the eighteenth resistor 218 is electrically connected to the anode of the USB input port 603, the other end of the eighteenth resistor 218 is electrically connected to the nineteenth resistor 219 and is electrically connected to the P06 port of the main control chip 303, one end of the nineteenth resistor 219, which is far away from the eighteenth resistor 218, is grounded, and the twenty-ninth capacitor 129 is connected in parallel with the nineteenth resistor 219. When an external power supply is connected to the USB output port 604, the voltage across the nineteenth resistor 219 becomes 2.5V, and the voltage across the P06 port of the main control chip 303 becomes 2.5V; when the external power source is not connected to the USB output port 604, the voltage across the nineteenth resistor 219 is 0, and the voltage at the P06 port of the main control chip 303 is 0V.

Referring to fig. 12, the lamp control circuit further includes a status indicator 710, and the status indicator 710 is used to indicate the operating status of the lamp body and includes a key backlight 718, a transistor 501, a third resistor 203, and a fourth resistor 204. The triode 501 is of NPN type, the key backlight 718 includes a fifth light emitting diode 405, a sixth light emitting diode 406 and a seventh light emitting diode 407 connected in parallel with the fifth light emitting diode 405, and an eighth light emitting diode 408 connected in parallel with the seventh light emitting diode 407, one end of the third resistor 203 is electrically connected to the output terminal of the zener chip 302U2, the other end is electrically connected to the anode of the fifth light emitting diode 405, one end of the fourth resistor 204 is electrically connected to the output terminal of the zener chip 302U2, the other end is electrically connected to the anode of the seventh light emitting diode 407, the anode of the sixth light emitting diode 406 is electrically connected to the anode of the fifth light emitting diode 405, the cathode is electrically connected to the collector of the triode 501, the anode of the eighth light emitting diode 408 is electrically connected to the anode of the seventh light emitting diode 407, the cathode is electrically connected to the collector of the triode 501, the emitter of the triode 501 is grounded, the base of the transistor 501 is electrically connected to the P11 port of the main control chip 303. When the P11 port of the main control chip 303 outputs a high level, the triode 501 is turned on, so that the key backlight 718 forms a power-on loop; when the P11 port of the main control chip 303 is at a low level, the transistor 501 is turned off, and the key backlight 718 cannot form a power-on loop.

In this embodiment, the gravity sensing device detects the posture change of the lamp body to generate data, and transmits the data to the control device, the control device sends a corresponding instruction according to the data, the execution device receives the instruction sent by the control device, and executes the on-off action of the lamp body, thereby breaking through the circuit hardware limitation of the existing lamp control circuit, for example, the configuration can be made such that after the key switch 601 is pressed, the P02 port of the main control chip 303 inputs a low level, the port P11 outputs a PWM signal to turn on the triode 501, so that the key backlight 718 forms an energization loop, the key backlight 718 works, the key backlight 718 flashes at a frequency of 1HZ according to a set program, the single-row three-level toggle switch 602 is switched to a vacant end, the voltage of the P07 port of the main control chip 303 is changed to 2.5V, the lamp body is turned off after 180S delay according to the set program, and the; the single-row three-gear toggle switch 602 is switched to the voltage dividing end, so that the voltage of the P07 port of the main control chip 303 becomes 1.25V, the lamp body is extinguished after 30S delay according to the established program, and the key backlight 718 is normally on.

According to the set program, in the lamp body process, the operation is automatically stopped when the key switch 601 is pressed for one second, and the key backlight 718 is normally on. When the lamp stops working for more than two minutes, the lamp control circuit automatically enters an OFF gear, and a user needs to dial the single-row three-gear toggle switch 602 to the grounding end again and then to the voltage dividing end or the idle end to work again.

The acceleration sensor 304 collects the inclination angle information of the lamp body, and transmits the information to the main control chip 303 for judgment, if the inclination angle of the lamp body exceeds a set angle, the main control chip 303 outputs a low level to the execution device 705, so that the MOS tube 502 is closed, the lamp body is extinguished, and the sterilization is stopped, until the lamp body returns to a horizontal state, the main control chip 303 outputs a high level to the execution device 705, so that the MOS tube 502 is opened, meanwhile, the main control chip 303 outputs a high level to the enabling end of the synchronous boost converter 305, so that the synchronous boost converter 305 works, and the output end of the synchronous boost converter 305 outputs a voltage for driving the lamp body to work, so that the lamp.

According to the set program, when the lamp body inclines to exceed a certain angle to stop disinfection and continues to exceed one minute, the lamp control circuit automatically enters an OFF gear, and a user needs to dial the single-row three-gear toggle switch 602 to the grounding end and then to the voltage dividing end or the idle end to work again.

Example two

The present embodiment discloses an ultraviolet disinfection lamp which can stop working after the ultraviolet disinfection lamp topples over, referring to fig. 13 and 14, the ultraviolet disinfection lamp comprises a body 9 and a lamp control circuit in the above embodiments, the body 9 comprises a base shell 91, a lamp support 92 fixed on the base shell 91, a lampshade 93 fixed on the lamp support 92 and a lamp body 94 fixed on the lamp support 92, the lamp support 92 is hollow inside so that a lead wire connected with the lamp control circuit and the lamp body 94 can pass through, and the lamp control circuit is fixed in the base shell 91.

The implementation principle of the embodiment is as follows: after the ultraviolet disinfection lamp is toppled over, due to the arrangement of the lamp control circuit, the working state of the lamp body 94 can be adjusted after the ultraviolet disinfection lamp is toppled over, and the harm to people or pets is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A lamp control circuit comprises a first voltage regulator and a second voltage regulator,

the boosting device (702) is electrically connected with the lamp body and outputs driving voltage for driving the lamp body to work;

a control device (701) for receiving signals, processing and issuing instructions;

a power supply device (703) for supplying an operating voltage to the booster device (702) and the control device (701);

it is characterized by also comprising:

the gravity sensing device (704) is electrically connected with the control device (701) and is used for detecting the attitude change of the lamp body and sending a generated signal to the control device (701);

and the execution device (705) is electrically connected with the control device (701) and is used for receiving a command sent by the control device (701) and switching on or off the power-on loop of the lamp body.

2. A lamp control circuit according to claim 1, wherein: the gravity sensing device (704) is provided as an acceleration sensor (304), and the acceleration sensor (304) is in signal connection with the control device (701).

3. A lamp control circuit according to claim 1 or 2, characterized in that: the actuating device (705) comprises a switching element connected in series in the energizing circuit of the lamp body, and the control end of the switching element is electrically connected to the control device (701).

4. A lamp control circuit according to claim 1, wherein: the power supply device (703) is provided with a voltage stabilizing circuit (711), and the voltage stabilizing circuit (711) takes the voltage of the battery as input and outputs working voltage for the operation of the boosting device (702) and the control device (701).

5. A lamp control circuit according to claim 4, characterized in that: the power supply device (703) further comprises a charging management device (712), wherein an input end of the charging management device (712) is electrically connected with an external power supply, and an output end of the charging management device (712) is electrically connected with the battery and is used for charging the battery.

6. A lamp control circuit according to claim 1, wherein: the lamp control circuit further comprises a temperature monitoring device (706), wherein the temperature monitoring device (706) is in signal connection with the control device (701) and is used for monitoring the temperature of the surrounding environment.

7. A lamp control circuit according to claim 1, wherein: the lamp control circuit further comprises a delay control device (707), wherein the delay control device (707) is electrically connected with the control device (701) and is used for selecting the delay time of the lamp body.

8. A lamp control circuit according to claim 7, wherein: the delay control device (707) comprises a single-row three-gear toggle switch (602) and a voltage dividing circuit, the voltage dividing circuit comprises a first voltage dividing resistor (206) and a second voltage dividing resistor (207) which are connected in series, a common end of the single-row three-gear toggle switch (602) is electrically connected to the control device (701), the common end is connected to a working voltage through the first voltage dividing resistor (206), a selection end of the single-row three-gear toggle switch (602) comprises a null end, a voltage dividing end and a grounding end, the null end is null, the voltage dividing end is grounded through the second voltage dividing resistor (207), and the grounding end is grounded.

9. A lamp control circuit according to claim 1, wherein: the lamp control circuit further comprises a power monitoring device (708), wherein the power monitoring device (708) is electrically connected with the battery and the control device (701) and is used for monitoring the residual power of the battery.

10. An ultraviolet disinfection lamp, includes the body, its characterized in that: further comprising a lamp control circuit according to any of claims 1-9.

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