CN215300989U

CN215300989U - Intelligent bulb

Info

Publication number: CN215300989U
Application number: CN202121665192.XU
Authority: CN
Inventors: 王彦坤
Original assignee: Hangzhou Ezviz Software Co Ltd
Current assignee: Hangzhou Ezviz Software Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-24
Anticipated expiration: 2031-07-21

Abstract

The application provides an intelligent bulb. The intelligent bulb comprises an antenna and an intelligent lamp circuit. The intelligent lamp circuit comprises a driving circuit and an SIP chip, the driving circuit is used for driving the intelligent lamp to work, the SIP chip comprises a communication end and a control end, a communication circuit and a control circuit are integrated, the communication circuit is connected with the control circuit and connected with an antenna through the communication end, the control circuit is connected with the driving circuit through the control end, control messages are received through the communication circuit and the antenna, and the driving circuit is controlled to work through the control end according to the control messages so as to control the intelligent lamp to work. The intelligent bulb is small in size.

Description

Intelligent bulb

Technical Field

The application relates to the technical field of Internet of things, in particular to an intelligent bulb.

Background

With the development of the internet of things technology, more and more electric appliances can be intelligently controlled through equipment such as a mobile terminal. However, for some lamps, if the intelligent control function is to be realized, the volume of the lamp is large.

SUMMERY OF THE UTILITY MODEL

The application provides an improved intelligent bulb, and the volume of intelligent bulb is less.

The application provides an intelligent bulb, includes:

an antenna;

the intelligent lamp circuit comprises a driving circuit and an SIP chip, wherein the driving circuit is used for driving the intelligent bulb to work, the SIP chip comprises a communication end and a control end and is integrated with a communication circuit and a control circuit, the communication circuit is connected with the control circuit and is connected with an antenna through the communication end, the control circuit is connected with the driving circuit through the control end, the communication circuit and the antenna receive control messages and control the control messages according to the control messages and through the control end, the driving circuit works to control the intelligent bulb to work.

Further, the intelligent bulb comprises a shell, and the intelligent lamp circuit and at least part of the antenna are arranged in the shell.

Furthermore, the casing includes lamp holder casing and cell-shell, the lamp holder casing with cell-shell fixed connection, intelligence lamp circuit and at least part the antenna set up in the lamp holder casing.

Further, the smart light bulb includes an E14 filament lamp or an E12 filament lamp.

Furthermore, the intelligent lamp circuit comprises a power circuit, the power circuit comprises a rectifying circuit, the rectifying circuit comprises a power connection end and a power supply end, the power connection end is used for being connected with an alternating current power supply, the rectifying circuit rectifies alternating current signals of the alternating current power supply and outputs direct current signals through the power supply end.

Furthermore, the power supply circuit comprises a voltage conversion circuit, and the voltage conversion circuit is connected between the power supply end and the SIP chip, converts the direct-current voltage output by the power supply end into power supply voltage, and supplies power to the SIP chip.

Furthermore, the SIP chip comprises a power supply end, the voltage conversion circuit is connected with the power supply end, the power is supplied to the SIP chip through the power supply end, the intelligent lamp circuit comprises a voltage stabilizing capacitor, one end of the voltage stabilizing capacitor is connected between the voltage conversion circuit and the power supply end, and the other end of the voltage stabilizing capacitor is grounded.

Furthermore, the voltage conversion circuit comprises a conversion power supply end and a filtering voltage-stabilizing capacitor, the conversion power supply end is connected with the SIP chip, the voltage conversion circuit supplies power to the SIP chip through the conversion power supply end, one end of the filtering voltage-stabilizing capacitor is connected with the conversion power supply end, and the other end of the filtering voltage-stabilizing capacitor is grounded.

Furthermore, the intelligent lamp comprises a light emitting component, the driving circuit comprises a constant current control chip, the constant current control chip is respectively connected with the control end, the power supply end and the light emitting component, and the power supply time length of the power supply end to the light emitting component is controlled according to a control signal of the control circuit so as to control the light emitting intensity of the light emitting component.

Furthermore, the power circuit comprises a filter circuit, and the filter circuit is connected between the power supply end and the voltage conversion circuit and is used for filtering the voltage signal output by the power supply end.

In some embodiments of the present application, the smart bulb comprises a SIP chip. The communication circuit and the control circuit are integrated in the SIP chip. The volume of SIP chip is less, can reduce the circuit volume of intelligent bulb, and then can make the volume of intelligent bulb less.

Drawings

FIG. 1 is a schematic diagram of an intelligent light bulb filament lamp;

FIG. 2 is a circuit schematic of a smart lamp circuit included in the smart filament lamp of FIG. 1;

fig. 3 is a schematic circuit diagram of an intelligent light bulb provided by an embodiment of the present application;

FIG. 4 is a schematic diagram of the smart light bulb of FIG. 3;

fig. 5 is a circuit diagram of the smart lamp circuit of fig. 3.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "plurality" or "a number" and the like mean at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 is a schematic diagram of an intelligent filament lamp 100. Fig. 2 is a circuit schematic of the smart lamp circuit 14 included in the smart filament lamp 100 of fig. 1.

Referring to fig. 1 and 2, the smart filament lamp 100 includes a lamp head housing 11, a bulb 13, and a smart lamp circuit 14. A light emitting component 147 is arranged in the bulb shell 13, and a smart lamp circuit 14 is arranged in the lamp holder shell 11. The smart lamp circuit 14 is connected to a power supply 146 and a light emitting unit 147, respectively, and the power supply 146 drives the light emitting unit 147 to emit light through the smart lamp circuit 14.

The power supply 146 includes an ac power source. The smart lamp circuit 14 includes a power supply circuit 141, a WiFi module circuit 142, a control circuit 143, a drive circuit 144, and an antenna 145. The power circuit 141 is connected to the WiFi module circuit 142, the driving circuit 144, and the control circuit 144, respectively. The smart lamp circuit 14 converts the ac power outputted from the ac power supply into dc power to drive the WiFi module circuit 142, the driving circuit 144 and the control circuit 144 to operate. The control circuit 143 is connected to the WiFi module circuit 142, and the WiFi module circuit 142 is connected to the antenna 145. The control circuit 143 communicates with a device such as a mobile terminal through the WiFi module circuit 142 and the antenna 145, and receives a control message for the intelligent filament lamp 100, which is sent by the device such as the mobile terminal. For example, the user may set the brightness of the intelligent filament lamp 100 through the mobile terminal. The mobile terminal transmits a control message to the control circuit 143 through the antenna 145 and the WiFi module circuit 142 according to the user setting. The control circuit 143 is connected to the drive circuit 144, and controls the drive circuit 144 to operate in response to the received control message, thereby controlling the light emission luminance of the light emitting section 147.

In the smart filament lamp 100, the power supply circuit 141, the WiFi module circuit 142, the control circuit 143, the drive circuit 144, and a part of the antenna 145 of the smart lamp circuit 14 are respectively provided on the circuit board 140. The circuit board 140 is generally bulky, while some conventional filament lamps that do not include a communication function are generally small, and if these conventional filament lamps are to be retrofitted to the smart filament lamp 100 having a communication function, a space for placing the circuit board 140 is required on the basis of these conventional filament lamps. Thus, the smart filament lamp 100 includes a plastic part 12. The molding 12 is disposed outside the bulb 13 for placing the circuit board 140. However, the intelligent filament lamp 100 added to the plastic part 12 is relatively bulky and is not a real filament lamp.

Fig. 3 is a schematic circuit diagram of an intelligent light bulb 200 provided by an embodiment of the present application. Fig. 4 is a schematic diagram of the smart light bulb 200 of fig. 3.

Referring to fig. 3 and 4, the smart bulb 200 includes an antenna 22 and a smart lamp circuit 21. The smart lamp circuit 21 includes a driving circuit 213 and an SIP chip 212. The driving circuit 213 is used for driving the intelligent light bulb 200 to operate. The SIP chip 212 includes a communication terminal RF and a control terminal CTR, and is integrated with a communication circuit 2121 and a control circuit 2122, the communication circuit 2121 is connected to the control circuit 2122 and connected to the antenna 22 through the communication terminal RF, the control circuit 2122 is connected to the driving circuit 213 through the control terminal CTR, receives a control message through the communication circuit 2121 and the antenna 22, and controls the driving circuit 213 to operate through the control terminal CTR according to the control message, so as to control the operation of the smart bulb 200.

In some embodiments, the communication circuit 2121 includes a WiFi (wireless fidelity) communication module, peripheral circuits of the WiFi communication module, an antenna matching circuit, and the like.

In some embodiments, the control circuit 2122 may communicate with devices such as a mobile terminal and a management server through the communication circuit 2121 and the antenna 22, receive control messages sent by the devices to the smart bulb 200, and control the smart bulb 200 through the control driving circuit 213.

In some embodiments, the smart bulb 200 includes a light emitting component 251, the driving circuit 213 is connected to the light emitting component 251, and the control circuit 2122 controls the light emitting component 251 to emit light, emit light intensity, and stop emitting light by controlling the driving circuit 213.

In some embodiments of the present application, the smart bulb 200 includes a SIP chip 212. The communication circuit 2121 and the control circuit 2122 are integrated within the SIP chip 212. Compared with the situation that the communication circuit and the control circuit are directly arranged on the circuit board in some technologies, the size of the circuit board and the size of the intelligent lamp are larger, at least part of circuits are integrated in the SIP chip 212 in a circuit integration mode, the size of the SIP chip 212 is smaller, the circuit size of the intelligent bulb 200 can be reduced, and the size of the intelligent bulb 200 is further reduced.

In some embodiments, the smart light bulb 200 includes an E14 filament lamp or an E12 filament lamp. This type of filament lamp is generally small in size, and if these types of filament lamps are made to perform a communication function based on the related art in fig. 1, it is necessary to add a molding 12 to the filament lamp for placing a large circuit board. And this application passes through circuit integration's mode, with at least part of circuit integration inside the back at SIP chip 212, has reduced the circuit volume for intelligent lamp circuit 21 can set up inside intelligent bulb 200, need not to set up again and mould the piece.

With continued reference to fig. 3 and 4, the smart light bulb 200 includes a housing 230. The smart lamp circuit 21 and at least part of the antenna 22 may be disposed within the housing 230. So, need not to mould the circuit board that the piece placed the intelligent lamp as setting up in some technologies outside the cell-shell again, the volume of intelligent bulb 200 reduces greatly, simultaneously, also is convenient for more design intelligent bulb 200's outward appearance. In some embodiments, a portion of the antenna 22 is disposed within the housing 230 and another portion of the antenna 22 extends from within the housing 230 to outside the housing 230 to facilitate the reception and transmission of communication signals.

In some embodiments, the housing 230 includes a lamp head housing 231 and a bulb housing 241. The base case 231 and the bulb 241 are fixedly connected. The smart lamp circuit 21 and at least part of the antenna 22 may be arranged within a lamp head housing 231. On one hand, the bulb shell 241 is generally made of transparent materials, and the intelligent lamp circuit 21 is arranged in the bulb shell 241, so that the appearance of the intelligent bulb 200 is affected; in addition, the light emitting unit 251 is generally disposed in the case 241, and the light emitting unit 251 may generate heat when emitting light, and if the smart lamp circuit 21 and the antenna 22 are disposed in the case 241, it may be dangerous and may block light emitted from the light emitting unit 251. The lamp cap shell 231 is generally made of a non-transparent material, and the smart lamp circuit 21 and the antenna 22 are disposed in the lamp cap shell 231, so that the appearance of the smart bulb 200 is not affected, and meanwhile, the light emitted by the light emitting component 251 is not shielded, and the lamp cap shell is far away from the light emitting component 251, so that the lamp cap shell is relatively safe. Meanwhile, the intelligent lamp circuit 21 is arranged in the lamp holder shell 231 and is close to the power supply, so that circuit wiring can be reduced.

Fig. 5 is a circuit diagram of the smart lamp circuit 21 in fig. 3.

Referring to fig. 3 to 5, in some embodiments, the smart lamp circuit 21 includes a power supply circuit 211, the power supply circuit 211 includes a rectifying circuit 2111, the rectifying circuit 2111 includes power connection terminals ACL and ACN and a power supply terminal DC +, the power connection terminals ACL and ACN are used for connecting the ac power supply 15, and the rectifying circuit 2111 rectifies an ac signal of the ac power supply 15 and outputs a DC signal through the power supply terminal DC +. The DC signal output from the power supply terminal DC + can be used to supply power to the light emitting component 251, the driving circuit 213, the SIP chip 212, and the like.

In the present embodiment, the rectification circuit 2111 includes a rectification bridge D1 for rectification. Rectifier bridge D1 is connected between power connection ACL, CAN and supply terminal DC +. The rectifier bridge DC outputs direct current signals with variable sizes through a power supply end DC +.

It should be noted that, in some other embodiments, the intelligent light bulb 200 is driven by a dc power source, the intelligent light circuit 21 is directly connected to the dc power source, and the power circuit 211 converts a dc signal, such as converting a dc strong current into a dc weak current. In such embodiments, the smart lamp circuit 21 may not need to include the rectifier circuit 2111.

In some embodiments, the power circuit 211 includes a voltage conversion circuit 2112, and the voltage conversion circuit 2112 is connected between the power supply terminal DC + and the SIP chip 212, and converts the DC voltage output by the power supply terminal DC + into a power supply voltage to power the SIP chip 212. As can be seen from the above description, the DC voltage output by the power supply terminal DC + is unstable, and the SIP chip 212 works normally and needs stable DC weak current. Therefore, the voltage conversion circuit 2112 can convert the unstable DC signal output from the power supply terminal DC + into the weak DC power required for the normal operation of the SIP chip 212, i.e., the above power supply voltage.

In the present embodiment, the voltage conversion circuit 2112 includes a voltage conversion chip U3. The voltage conversion chip U3 is connected between the power supply terminal DC + and the SIP chip 212, and converts the DC signal output from the power supply terminal DC + into the power supply voltage of the SIP chip 212.

In some embodiments, the voltage conversion circuit 2112 includes a conversion power supply terminal VCC3V3 and a filter voltage-stabilizing capacitor C5, the conversion power supply terminal VCC3V3 is connected to the SIP chip 212, the voltage conversion circuit 2112 supplies power to the SIP chip 212 through the conversion power supply terminal VCC3V3, one end of the filter voltage-stabilizing capacitor C5 is connected to the conversion power supply terminal VCC3V3, and the other end of the filter voltage-stabilizing capacitor C5 is grounded. The filtering and voltage-stabilizing capacitor C5 can filter noise signals in the supply voltage output by the voltage conversion circuit 2112, and improve the stability of the supply voltage.

In some embodiments, the voltage conversion circuit 2112 may also be used for detecting whether the voltage output by the conversion power supply terminal VCC3V3 is accurate. The voltage conversion chip U3 comprises a feedback receiving terminal VCC and a feedback receiving terminal GND, the feedback receiving terminal VCC is connected with a conversion power supply terminal VCC3V3, and the feedback receiving terminal GND is grounded. The voltage conversion chip U3 collects the voltage output by the conversion power supply terminal VCC3V3 through the feedback receiving terminal VCC and the feedback receiving terminal GND to detect whether the voltage output by the conversion power supply terminal VCC3V3 is accurate.

In some embodiments, a first filter capacitor C4 is disposed between the feedback receiving terminal VCC and the feedback receiving terminal GND, one end of the first filter capacitor C4 is connected to the feedback receiving terminal VCC, and the other end of the first filter capacitor C4 is connected to the feedback receiving terminal GND, so as to filter the voltage detected by the voltage conversion chip U3, thereby ensuring the detection accuracy.

In some embodiments, the voltage conversion circuit 2112 includes a feedback diode D2. The positive pole of feedback diode D2 is connected with conversion supply terminal VCC3V3, and feedback diode D2's negative pole is connected with feedback receiving terminal VCC, so, prevent that feedback receiving terminal VCC from to conversion supply terminal VCC3V3 output voltage, influence the voltage that conversion supply terminal VCC3V3 exported.

In some embodiments, the SIP chip 212 includes power terminals VDD1 and VDD2, and the voltage conversion circuit 2112 is connected to the power terminals VDD1 and VDD2 to supply power to the SIP chip 212 through the power terminals VDD1 and VDD 2. The smart lamp circuit 21 includes a voltage stabilizing capacitor C2, one end of the voltage stabilizing capacitor C2 is connected between the voltage converting circuit 2112 and the power source terminals VDD1 and VDD2, and the other end of the voltage stabilizing capacitor C2 is grounded. The voltage stabilizing capacitor C2 can stabilize the supply voltage of the SIP chip 212, and prevent the supply voltage from changing, affecting the normal operation of the SIP chip 212, or damaging the SIP chip 212.

In some embodiments, the voltage conversion circuit 2112 is configured to convert a voltage having a small fluctuation with the supply voltage of the SIP chip 212 into a stable supply voltage of the SIP chip 212. As can be seen from the above description, the voltage signal output by the power supply terminal DC + has a large variation, based on which, the power supply circuit 211 includes the filter circuit 2113, the filter circuit 2113 is connected between the power supply terminal DC + and the voltage conversion circuit 2112 to filter the voltage signal output by the power supply terminal DC + to filter out the electrical signal component with a large variation in the voltage signal, so as to ensure that the voltage signal received by the voltage conversion circuit 2112 is a relatively stable voltage signal.

In some embodiments, the filter circuit 2113 includes second filter capacitors C1 and C7 and an inductor L2, and the second filter capacitors C1 and C7 and the inductor L2 may form an EMI pi-type filter circuit to filter the voltage signal output by the power supply terminal DC +.

In some embodiments, the driving circuit 213 includes a constant current control chip U1, the constant current control chip U1 is respectively connected to the control terminal CRT, the power supply terminal DC +, and the light emitting component 251, and controls the power supply time of the power supply terminal DC + to the light emitting component 251 according to the control signal of the control circuit 143, so as to control the light emitting intensity of the light emitting component 251. In this embodiment, the constant current control chip U1 includes a positive power supply terminal VIN and negative power supply terminals D1 and D2, the positive power supply terminal VIN is connected to the power supply terminal DC + and the positive electrode of the light emitting component 251, and the negative power supply terminal D1 is connected to the negative electrode of the light emitting component 251. The constant current control chip U1 can control the on/off of the positive power supply terminal VIN and the negative power supply terminals D1 and D2, and further can control the on/off of the light emitting component 251.

In some embodiments, the control terminal CTR includes a first control terminal PWM0 and a second control terminal PWM1, the first control terminal PWM0 and the second control terminal PWM1 are respectively connected to the constant current control chip U1, and the control circuit 2122 controls duty ratios of signals output by the first control terminal PWM0 and the second control terminal PWM1 according to the received control message. The constant current control chip U1 controls the on/off duration of the light emitting component 251 according to the duty ratio, and thus can control the brightness of the light emitting component 251.

As can be seen from the above description, the smart light bulb 200 of the present application is integrated into the SIP chip 212 through the communication circuit 2121 and the control circuit 2122, so that the effect of the circuit size is reduced, and the size of the smart light bulb 200 is smaller.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An intelligent light bulb, comprising:

an antenna;

2. The smart light bulb as recited in claim 1 wherein the smart light bulb comprises a housing, the smart light circuit and at least a portion of the antenna being disposed within the housing.

3. The intelligent light bulb as recited in claim 2, wherein the housing comprises a base housing and a bulb shell, the base housing and the bulb shell are fixedly connected, and the intelligent light circuit and at least a portion of the antenna are disposed within the base housing.

4. The smart light bulb as recited in claim 1, wherein the smart light bulb comprises an E14 filament lamp or an E12 filament lamp.

5. The intelligent light bulb as claimed in claim 1, wherein the intelligent light circuit comprises a power circuit, the power circuit comprises a rectifying circuit, the rectifying circuit comprises a power connection terminal and a power supply terminal, the power connection terminal is used for connecting an alternating current power supply, the rectifying circuit rectifies an alternating current signal of the alternating current power supply and outputs a direct current signal through the power supply terminal.

6. The intelligent light bulb as claimed in claim 5, wherein the power circuit comprises a voltage conversion circuit, the voltage conversion circuit is connected between the power supply terminal and the SIP chip, and converts the DC voltage output by the power supply terminal into a power supply voltage to supply power to the SIP chip.

7. The smart bulb as claimed in claim 6, wherein the SIP chip includes a power terminal, the voltage converting circuit is connected to the power terminal, the SIP chip is powered through the power terminal, the smart lamp circuit includes a voltage stabilizing capacitor, one end of the voltage stabilizing capacitor is connected between the voltage converting circuit and the power terminal, and the other end of the voltage stabilizing capacitor is grounded.

8. The intelligent bulb as claimed in claim 6, wherein the voltage conversion circuit comprises a conversion power supply terminal and a filter voltage-stabilizing capacitor, the conversion power supply terminal is connected to the SIP chip, the voltage conversion circuit supplies power to the SIP chip through the conversion power supply terminal, one end of the filter voltage-stabilizing capacitor is connected to the conversion power supply terminal, and the other end of the filter voltage-stabilizing capacitor is grounded.

9. The intelligent light bulb as claimed in claim 5, wherein the intelligent light bulb comprises a light emitting component, the driving circuit comprises a constant current control chip, the constant current control chip is respectively connected with the control terminal, the power supply terminal and the light emitting component, and the power supply time length of the light emitting component from the power supply terminal is controlled according to a control signal of the control circuit so as to control the light emitting intensity of the light emitting component.

10. The intelligent light bulb as recited in claim 6, wherein the power circuit comprises a filter circuit, the filter circuit being connected between the power supply terminal and the voltage conversion circuit for filtering the voltage signal output by the power supply terminal.