CN214098178U

CN214098178U - Wireless intelligent knob and control circuit

Info

Publication number: CN214098178U
Application number: CN202120232227.4U
Authority: CN
Inventors: 徐美林; 陆正华; 徐圣港; 林晖
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-08-31
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a wireless intelligent knob and control circuit, casing contain rotatory shell and base, and the rotatory shell sets up on the base, and rotatory shell and base constitute a cavity, and touch-control PCB board, drive PCB board all set up in the cavity, and the touch-control PCB board closely pastes in the inboard setting in rotatory shell top, and the drive PCB board is fixed to be located on the base, and the touch-control PCB board passes through the connecting wire with the drive PCB board and is connected; the keys are embedded in the top of the rotating shell and are arranged on the touch control PCB, and the MCU is arranged on the touch control PCB; wireless communication chip, battery are all installed on the drive PCB board, and rotary encoder sets up along vertical direction, and the rotary encoder bottom is installed on the drive PCB board, and rotary encoder upper end is located to the touch-control PCB board cover, and rotatory shell fixed connection is in the rotary encoder top. This wireless intelligent knob adjustable a plurality of external device just are difficult for obscuring.

Description

Wireless intelligent knob and control circuit

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to a wireless intelligent knob and control circuit.

Background

The rotary encoder is a manual element which is controlled to rotate by hands, the rotary encoder is widely applied to household appliances, and the rotary encoder brings better tactile feedback to users compared with a capacitive button. The wireless rotary encoder belongs to one type of rotary encoders, when the wireless rotary encoder is applied to an intelligent home scene, most of the wireless rotary encoders are controlled by a single product, and a plurality of products are controlled by a plurality of wireless rotary encoders; or one wireless rotary encoder distinguishes different products through the number of times of pressing keys, but the operation is not easy to distinguish different products, and the control is easy to generate confusion.

Thus, there is still a need for improvement and development of the prior art.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a wireless intelligent knob and a control circuit aiming at the above defects of the prior art, the utility model can adjust a plurality of external devices through a wireless intelligent knob, which is more convenient and faster; and is not easy to be confused when a plurality of external devices are adjusted.

The utility model provides a technical scheme that the problem adopted as follows:

a wireless intelligent knob is used for controlling a plurality of external devices with wireless connection functions and comprises a shell, a touch control PCB, a driving PCB, a plurality of keys, an MCU, a wireless communication chip, a battery for supplying power and a rotary encoder;

the shell comprises a rotating shell and a base, the rotating shell is arranged on the base, the rotating shell and the base form a cavity, the touch PCB and the driving PCB are both arranged in the cavity, the touch PCB is tightly attached to the inner side of the top of the rotating shell, the driving PCB is fixedly arranged on the base, and the touch PCB is connected with the driving PCB through a connecting wire; the keys are embedded in the top of the rotating shell and are installed on the touch control PCB, and the MCU is installed on the touch control PCB; the wireless communication chip and the battery are both mounted on the driving PCB, the rotary encoder is arranged along the vertical direction, the bottom of the rotary encoder is mounted on the driving PCB, the touch PCB is sleeved at the upper end of the rotary encoder, and the rotary shell is fixedly connected to the top of the rotary encoder;

each key corresponds to an external device, when a key is selected, the wireless communication chip is in wireless connection with the corresponding external device, and the corresponding external device is adjusted through the rotary encoder.

Preferably, the wireless intelligent knob is characterized by further comprising an indicator light group, the indicator light group is formed by connecting a plurality of LED lights in parallel, each key corresponds to one LED light, the LED lights are located above the keys, and the LED lights are reversely attached to the touch PCB.

Preferably, the number of the keys is determined by the number of the external devices.

Preferably, the touch control PCB board is provided with a penetrating hole, and the upper end of the rotary encoder penetrates through the penetrating hole.

Preferably, wireless intelligence knob, its characterized in that still includes limit structure, limit structure includes first spacing post, the spacing post of second, first spacing post sets up on the touch-control PCB board along vertical direction, the spacing post of second set up in on the base along the horizontal direction, after rotary encoder along clockwise or anticlockwise direction rotation angle, first spacing post butt in on the spacing post of second.

Preferably, a battery box is arranged at the bottom of the base, and the battery is placed in the battery box.

Preferably, the wireless intelligent knob is characterized by further comprising a driving chip and a display lamp set, wherein the driving chip is mounted on the driving PCB; the display lamp group is formed by connecting a plurality of LED lamps in parallel, the display lamp group surrounds the base, and the display lamp group is connected with the driving chip.

Preferably, the bottom of the base is provided with a magnetic metal piece for magnetic attraction and fixation.

Preferably, the control circuit of wireless intelligence knob, control circuit includes MCU, button, battery, rotary encoder and wireless communication chip, the button the battery rotary encoder all with MCU connects, wireless communication chip pass through communication interface with MCU connects, rotary encoder with the battery is connected.

Preferably, the control circuit further comprises: the indicating lamp group is used for displaying the key corresponding to the selected external equipment; the indicating lamp group is connected with the MCU and the battery.

The utility model has the advantages that: the utility model discloses wireless intelligent knob treats the external equipment of regulation through the button selection to adjust selected external equipment through rotary encoder. A plurality of external devices are adjusted through a wireless intelligent knob, so that the device is simpler, more convenient and faster; and is not easy to be confused when a plurality of external devices are adjusted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a wireless smart knob according to an embodiment of the present invention;

fig. 2 is a top view of the wireless smart knob according to an embodiment of the present invention;

fig. 3 is a bottom view of the wireless intelligent knob according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a control circuit of a wireless smart knob according to an embodiment of the present invention;

fig. 5 is a circuit diagram of a control circuit of the wireless intelligent knob according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In order to solve the problem of the prior art, the utility model provides a wireless intelligent knob 100 only needs a wireless intelligent knob 100 can be used to control a plurality of external devices that have the wireless connection function, thereby distinguishes the external device of difference through the external device that control inserts, can not cause to obscure when operating wireless intelligent knob 100.

Specifically, fig. 1 to fig. 3 are different visual diagrams of the wireless intelligent knob 100 according to the embodiment of the present invention, and the structure of the wireless intelligent knob 100 is described in detail below with reference to fig. 1 to fig. 3:

referring to fig. 1 to 3, the wireless intelligent knob 100 includes a housing 10, a touch PCB 20a, a driving PCB 20b, a plurality of keys 20, an MCU (not shown), a wireless communication chip (not shown), a battery 30 for supplying power, and a rotary encoder 40; wherein, the MCU is a Micro control Unit (Micro controller Unit).

The housing 10 includes a rotating shell 12 and a base 11, the rotating shell 12 is disposed on the base 11, the rotating shell 12 and the base 11 form a cavity 13, and the rotating shell 12 rotates relative to the base 11. Preferably, the housing 10 is cylindrical, but not limited thereto.

Furthermore, the embodiment of the present invention provides a wireless intelligent knob 100 including two PCB boards, namely, a touch PCB board 20a and a driving PCB board 20 b. The touch PCB 20a and the driving PCB 20b are both arranged in the cavity 13, the touch PCB 20a is tightly attached to the inner side of the top of the rotating shell 12, the driving PCB 20b is fixedly arranged on the base 11, and the touch PCB 20a is connected with the driving PCB 20b through a connecting wire. Preferably, in order to avoid the disconnection of the connection line in the rotation process of the wireless intelligent knob 100, a limiting structure 80 is further disposed in the wireless intelligent knob 100, and after the wireless intelligent knob 100 is rotated by a certain angle, the limiting structure 80 limits the wireless intelligent knob 100 to continue to rotate. Specifically, the method comprises the following steps. The limiting structure 80 comprises a first limiting column 81 and a second limiting column 82, wherein the first limiting column 81 is arranged on the touch control PCB 20a along the vertical direction, the second limiting column 82 is arranged on the base 11 along the horizontal direction, and after the rotary encoder 40 rotates for an angle along the clockwise direction or the anticlockwise direction, the first limiting column 81 is abutted to the second limiting column 82.

The touch PCB 20a is used for setting electronic components with touch function, the key 20 is embedded in the top of the rotating casing 12 and is installed on the touch PCB 20a, and the MCU is installed on the touch PCB 20 a. The button 20 is connected with the MCU through the IO interface (input/output), and the button 20 can be mechanical button 20, or touch button 20, and each button 20 corresponds an external device, and the quantity of button 20 is confirmed by external device's quantity, the embodiment of the utility model provides an in 20 number of buttons be 4, but not so limit, can increase or reduce the quantity of button 20 according to actual demand.

When a key 20 is selected and pressed, the external device corresponding to the key 20 is selected, and the subsequent adjustment operation is only performed on the selected external device, so that operation confusion when one rotary encoder 40 controls a plurality of external devices can be avoided. Preferably, the top of the rotating casing 12 may also be referred to as a face casing 121, and the face casing 121 is printed with silk-screen patterns of all external devices, each silk-screen pattern being located above a corresponding key 20 of the external device, so that a user can quickly find the external device to be controlled.

Preferably, the wireless intelligent knob 100 further comprises an indicator light group 50, the indicator light group 50 is formed by connecting a plurality of LED lights in parallel, each key 20 corresponds to one LED light, the LED light is located above the key 20, a position below the corresponding silk-screen pattern is hollowed into a placing hole (not shown in the figure), the placing hole is used for placing the LED light, and specifically, the size of the placing hole is determined by the size of the LED light. And the LED lamp is reversely pasted on the touch control PCB. When a certain external device is selected through the keys 20, the corresponding LED lamp is turned on, and the indicating lamp set 50 makes it easier for the user to find the external device to be controlled.

Please continue to refer to fig. 1-3, in the embodiment of the present invention, the driving PCB 20b is used for setting other electronic components of the related circuit, the wireless communication chip and the battery 30 are all installed on the driving PCB 20b, the rotary encoder 40 is installed along the vertical direction, the bottom of the rotary encoder 40 is installed on the driving PCB 20b, the upper end of the rotary encoder 40 is installed on the touch PCB 20a, and the rotary shell 12 is fixedly connected to the top of the rotary encoder 40.

Further, a through hole (not shown) is formed in the touch PCB 20a, and the upper end of the rotary encoder 40 is inserted into the through hole, wherein the size of the through hole is equal to the area of the upper end of the rotary encoder 40.

The rotary encoder 40 includes a fixing portion 41 and a rotating portion 42, the rotating portion 42 is connected to the fixing portion 41 from top to bottom, the rotating portion 42 rotates relative to the fixing portion 41 with the vertical direction as the axis, the rotating portion 41 is connected to the rotary encoder 40 and the driving PCB 20b, and the rotating portion 42 is connected to the top of the rotary housing 12.

When a key corresponding to an external device is pressed, the wireless communication chip is in wireless connection with the corresponding external device; further, the user rotates the rotary shell 12, and the rotary shell 12 drives the rotary part 42 of the rotary encoder 40 to rotate, and adjusts the corresponding external device through the rotary encoder 40. Furthermore, the battery 30 is used to supply power to the whole system, and preferably, a battery 30 box is arranged at the bottom of the base 11, and the battery 30 is placed in the battery 30 box.

Referring to fig. 1 to 3, preferably, the wireless intelligent knob 100 further includes a driving chip (not shown) and a display lamp set 60, the driving chip is mounted on the driving PCB 20 b; the display lamp set 60 is formed by connecting a plurality of LED lamps in parallel, the display lamp set 60 is disposed around the base 11, and the position of the display lamp set 60 is not limited thereto, and may be other positions installed on the rotary encoder 40. Furthermore, the display lamp set 60 is connected to the driving chip, and the number of the lamps of the display lamp set 60 is controlled by the driving chip. For example: when the rotary encoder 40 is used for adjusting the brightness of the selected ceiling lamp, the brightness is high, and the number of the LED lamps in the display lamp group 60 is increased; when the brightness becomes low, the number of the LED lamps in the display lamp group 60 that are lit decreases; when the user is not operating the rotary encoder 40, all the LED lamps in the display lamp group 60 are turned off, and the system is in a low power mode.

Further, the bottom of the base 11 of the embodiment of the present invention is provided with a magnetic metal member 70 for magnetic attraction and fixation. Preferably, the magnetic metal part 70 is an iron ring, and the magnetic metal part 70 facilitates fixing the wireless intelligent knob 100 by using a magnetic attraction manner and can dissipate heat. If the LED lamp is mounted on the magnetic metal part 70, the LED lamp can also be used as an illumination lamp after the wireless intelligent knob 100 is fixed.

Based on foretell wireless intelligence knob 100, the utility model also provides a control circuit 200 of wireless intelligence knob, fig. 4 is this control circuit 200's schematic diagram, and fig. 5 is this control circuit 200's circuit diagram, and this control circuit 200 of wireless intelligence knob includes:

MCU50a；

a key 20 for selecting an external device to be adjusted;

a battery 30 for supplying power;

a rotary encoder 40 for adjusting the selected peripheral device;

and a wireless communication chip 50b for wireless communication connection with the external device selected by the key 20;

the keys 20, the battery 30 and the rotary encoder 40 are all connected with the MCU50a, the wireless communication chip 50b is connected with the MCU50a through a communication interface, and the rotary encoder 40 is connected with the battery 30.

Referring to fig. 4 and 5, a specific connection manner is described below, and referring to fig. 4 and 5, in an embodiment of the present invention, the MCU50a (Micro Control Unit) is provided. Preferably, the MCU is of a type U _ SC93F 8433.

Referring to fig. 4 and 5, the control circuit in the embodiment of the present invention further includes: the first capacitor C1, the second capacitor C2, the third capacitor C3, the fourth capacitor C4 and the fifth capacitor C5, one end of the first capacitor C1, one end of the second capacitor C2, one end of the third capacitor C3, one end of the fourth capacitor C4 and the positive electrode of the battery 30 are connected with a VDD pin in the MCU50a, one end of the fifth capacitor C5 is connected with a CMOD pin in the MCU50a, the other end of the first capacitor C1, the other end of the second capacitor C2, the other end of the third capacitor C3, the other end of the fourth capacitor C4, the other end of the fifth capacitor C5 and the negative electrode of the battery 30 are connected with the VSS pin in the MCU50a and grounded. Preferably, the capacitance values of the first capacitor C1, the second capacitor C2 and the third capacitor C3 are 10uF, the capacitance value of the fourth capacitor C4 is 100nF, and the capacitance value of the fifth capacitor C5 is 10 nF. The battery 30 is formed by connecting 3 batteries of 3V in series.

Referring to fig. 4 and 5, further, the KEYs 20 are disposed on the touch control chip, the number of the KEYs in the touch control chip is 4, preferably, the model of the touch control chip is BS804B, and the KEYs 20 include a first KEY1, a second KEY2, a third KEY3, and a fourth KEY 4. The control circuit further comprises a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4, the first KEY1 is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to an AIN0 pin in the MCU50a, the second KEY KEY2 is connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to an AIN1 pin in the MCU50a, the third KEY KEY3 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected to an AIN2 pin in the MCU50a, the fourth KEY KEY4 is connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is connected to an AIN3 pin in the MCU50 a. Preferably, the resistances of the first resistor R1, the second resistor R2, the third resistor R3 and the fourth resistor R4 are all 510 Ω.

With reference to fig. 4 and fig. 5, further, the control circuit according to the embodiment of the present invention further includes: one end of a fifth resistor R5, one end of a sixth resistor R6, one end of a fifth resistor R5 are connected to a TX1 pin of the MCU50a, the other end of the fifth resistor R5 is connected to a TX1 pin of the wireless communication chip 50b, one end of a sixth resistor R6 is connected to an RX pin of the MCU50a, and the other end of the sixth resistor R6 is connected to an RX1 pin of the wireless communication chip 50 b. Preferably, the resistance values of the fifth resistor R5 and the sixth resistor R6 are 100 Ω. Preferably, the wireless communication chip is of a model of a bluetooth chip CC 2642R.

Referring to fig. 4 and 5, the control circuit according to the embodiment of the present invention further includes a seventh resistor R7, an eighth resistor R8, and a ninth resistor R9. Preferably, the rotary encoder 40 is of the type ED 1253. One ends of a 1 st pin and a seventh resistor R7 of the rotary encoder 40 are connected with a COM0 pin of the MCU50a, a 2 nd pin and an eighth resistor R8 of the rotary encoder 40 are connected with a COM1 pin of the MCU50a, one ends of a 4 th pin and a ninth resistor R9 of the rotary encoder 40 are connected with a COM3 pin of the MCU50a, a 3 rd pin of the rotary encoder 40 is grounded, and the other ends of the seventh resistor R7, the eighth resistor R8 and the ninth resistor R9 are connected with the anode of the battery 30. The MCU50a determines whether the rotary encoder 40 rotates forward or backward by determining the sequence of level changes of the 1 st pin of the rotary encoder 40 and the 2 nd pin of the rotary encoder 40. Preferably, the seventh resistor R7, the eighth resistor R8, and the ninth resistor R9 have a resistance value of 10K Ω.

With continued reference to fig. 4 and 5, further, the control circuit 200 of the wireless intelligent knob further includes an indicator light set 50 for displaying the key 20 corresponding to the selected external device; the indicator light set 50 is connected with the MCU50a and the battery 30. The indicator lamp set 50 comprises a first LED lamp HL1, a second LED lamp HL2, a third LED lamp HL3 and a fourth LED lamp HL 4; the control circuit further includes: a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12 and a thirteenth resistor R13, one end of the tenth resistor R10 is connected to one end of the eleventh resistor R11, one end of the twelfth resistor R12 and one end of the thirteenth resistor R13 are both connected to the positive electrode of the battery 30, the other end of the tenth resistor R10 is connected to the positive electrode of the first LED lamp HL1, the other end of the eleventh resistor R11 is connected to the positive electrode of the second LED lamp HL2, the other end of the twelfth resistor R12 is connected to the positive electrode of the third LED lamp HL3, the other end of the thirteenth resistor R13 is connected to the positive electrode of the fourth LED lamp HL4, the negative electrode of the first LED lamp HL4 is connected to an AIN4 interface in the MCU50 4, the negative electrode of the second LED lamp HL4 is connected to an AIN4 interface in the MCU50 4, and the negative electrode of the fourth LED lamp HL4 is connected to an AIN4 interface in the MCU50 4. Preferably, the tenth resistor R10, the eleventh resistor R11, the twelfth resistor R12 and the thirteenth resistor R13 all have a resistance value of 100 Ω.

With reference to fig. 4, the control circuit 200 of the wireless intelligent knob further includes a display lamp set 60 and a driving chip 60a, one end of the LED lamp on the display lamp set 60 is connected to the driving chip 60a, the other end of the LED lamp on the display lamp set 60 is connected to the positive electrode of the battery 30, the SDA pin in the driving chip 60a is connected to the COM4 pin in the MCU50a, and the SCL pin in the driving chip 60a is connected to the SCK pin in the MCU50 a. Preferably, the type of the driving chip 60a is

The utility model has the advantages that: the utility model discloses wireless intelligent knob 100 treats the external device of regulation through the button selection to adjust selected external device through rotary encoder 40. A plurality of external devices are adjusted through one wireless intelligent knob 100, so that the device is simpler, more convenient and faster; and is not easy to be confused when a plurality of external devices are adjusted.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A wireless intelligent knob is used for controlling a plurality of external devices with wireless connection functions and is characterized by comprising a shell, a touch PCB, a driving PCB, a plurality of keys, an MCU, a wireless communication chip, a battery for supplying power and a rotary encoder, wherein the shell is provided with a plurality of touch PCB keys;

2. The wireless intelligent knob according to claim 1, further comprising an indicator light set, wherein the indicator light set is formed by connecting a plurality of LED lights in parallel, each key corresponds to one LED light, the LED lights are located above the keys, and the LED lights are attached to the touch PCB in a reverse manner.

3. The wireless smart knob of claim 1 wherein the number of keys is determined by the number of peripheral devices.

4. The wireless intelligent knob according to claim 1, wherein the touch PCB is provided with a through hole, and the upper end of the rotary encoder is inserted into the through hole.

5. The wireless intelligent knob according to claim 1, further comprising a limiting structure, wherein the limiting structure comprises a first limiting post and a second limiting post, the first limiting post is disposed on the touch PCB along a vertical direction, the second limiting post is disposed on the base along a horizontal direction, and after the rotary encoder rotates by an angle clockwise or counterclockwise, the first limiting post abuts against the second limiting post.

6. A wireless intelligent knob according to claim 1, wherein a battery compartment is provided at the bottom of the base, and the battery is placed in the battery compartment.

7. The wireless intelligent knob according to claim 1, further comprising a driving chip and a display lamp set, wherein the driving chip is mounted on the driving PCB board; the display lamp group is formed by connecting a plurality of LED lamps in parallel, the display lamp group surrounds the base, and the display lamp group is connected with the driving chip.

8. A wireless intelligent knob according to claim 1, wherein a magnetic metal member is provided at the bottom of the base for magnetic attraction.

9. The utility model provides a control circuit of wireless intelligence knob, its characterized in that, control circuit includes MCU, button, battery, rotary encoder and wireless communication chip, the button the battery rotary encoder all with MCU connects, wireless communication chip pass through communication interface with MCU connects, rotary encoder with the battery is connected.

10. The control circuit of claim 9, further comprising: the indicating lamp group is used for displaying the key corresponding to the selected external equipment; the indicating lamp group is connected with the MCU and the battery.