CN209181193U - Wireless communication module and air conditioner - Google Patents
Wireless communication module and air conditioner Download PDFInfo
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- CN209181193U CN209181193U CN201822077548.2U CN201822077548U CN209181193U CN 209181193 U CN209181193 U CN 209181193U CN 201822077548 U CN201822077548 U CN 201822077548U CN 209181193 U CN209181193 U CN 209181193U
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Abstract
The application proposes a kind of wireless communication module and air conditioner, wherein the wireless communication module includes: main control chip and shape interface, and the main control chip includes reset pin and debugging serial ports input pin；Wherein, the reset pin, for being resetted to the main control chip；The debugging serial ports input pin, for reading, detecting the state of program operation；The input pin of the reset pin and the shape interface disconnects；The debugging serial ports input pin connects with power supply, is used for input high level.By the application, the case where being able to ascend the anti-interference ability of wireless communication module, guaranteeing the stability of program in wireless communication module, avoid network disconnection as far as possible generation.
Description
Technical field
This application involves air conditioner technical field more particularly to a kind of wireless communication modules and air conditioner.
Background technique
With the development of science and technology, the household appliances such as air-conditioning are more and more intelligent, for example, intelligent air conditioner can be moved
Dynamic terminal control.Wireless communication module is configured in intelligent air conditioner, to realize air conditioner and external equipment (such as intelligent hand
Machine) between wireless telecommunications, improve control air conditioner convenience.
However, the failures such as current wireless communication module when being interfered, is easy to happen crash, connection disconnects, seriously
Influence the usage experience of air conditioner quality and user.Therefore, the anti-interference ability for how improving wireless communication module becomes wireless
Urgent problem to be solved in communication module circuit design.
Utility model content
The application is intended to solve at least some of the technical problems in related technologies.
For this purpose, first purpose of the application is to propose a kind of wireless communication module, by will be in wireless communication module
Connection between the reset pin of main control chip and the input pin of shape interface disconnects, and defeated to the debugging serial ports of main control chip
Enter pin access high level, so that wireless communication module is not influenced by electromagnetic interference input in shape interface, improves wireless
The anti-interference ability of communication module ensure that the stability of program in wireless communication module, be avoided as much as possible network disconnection
It happens.
Second purpose of the application is to propose a kind of air conditioner.
In order to achieve the above object, the application first aspect embodiment proposes a kind of wireless communication module, comprising: master control core
Piece, shape interface and power circuit, which is characterized in that the main control chip includes reset pin and debugging serial ports input pin；
Wherein,
The reset pin, for being resetted to the main control chip；
The debugging serial ports input pin, for reading, detecting the state of program operation；
The input pin of the reset pin and the shape interface disconnects；
The debugging serial ports input pin connects with the first DC power supply, is used for input high level.
In a kind of possible implementation of the embodiment of the present application, the debugging serial ports input pin of the main control chip and institute
It states and accesses fixed value resistance between the first DC power supply.
In a kind of possible implementation of the embodiment of the present application, the resistance value of the fixed value resistance is 4 kilo-ohms~20 kilo-ohms
In arbitrary value, it is described debugging serial ports input pin incoming level be 3.3 volts.
In a kind of possible implementation of the embodiment of the present application, the wireless communication module further include: first resistor and
First capacitor；
The second DC power supply, the other end ground connection of the first capacitor are accessed in one end of the first capacitor；
One end of the first resistor is connect with the reset pin, the other end access described second of the first resistor
DC power supply.
In a kind of possible implementation of the embodiment of the present application, the wireless communication module, further includes: clock concussion electricity
Road, the clock oscillation include: crystal, the second capacitor and third capacitor；
Wherein, one end of second capacitor is connect with one end of the crystal, the other end ground connection of second capacitor；
One end of the third capacitor is connect with the other end of the crystal, the other end ground connection of the third capacitor；
The main control chip includes crystal oscillator input pin and crystal oscillator output pin, one end of the crystal oscillator input pin and the crystal
Connection, the crystal oscillator output pin are connect with the other end of the crystal.
In a kind of possible implementation of the embodiment of the present application, the main control chip further include: radio frequency input and output foot；
The radio frequency input and output foot is connect with antenna, for receiving the data that external equipment is sent by the antenna,
And the data that the main control chip exports are sent to by external equipment by the antenna.
In a kind of possible implementation of the embodiment of the present application, the radio frequency input and output foot passes through inductance and the day
Line connection.
In a kind of possible implementation of the embodiment of the present application, the wireless communication module, further includes: storage chip；
The storage chip enables to draw including four serial date transfer output pins, a clock input pin, one
Foot, a grounding pin and a power pins, four serial date transfer output pins, the clock input pin and
The enabled pin is respectively connected to the different universal input output pins of the main control chip.
In a kind of possible implementation of the embodiment of the present application, the wireless communication module, further includes: power circuit；
Power supply of the input terminal of the power circuit respectively with the power pins of the main control chip, the shape interface draws
Foot is connected with the power pins of the storage chip, for being the main control chip, the shape interface and the storage chip
Power supply.
The wireless communication module of the embodiment of the present application, by by the reset pin of main control chip in wireless communication module and outside
The input pin of shape interface disconnects, and the debugging serial ports input pin of main control chip is connected with power supply, with input high level, makes
Obtain wireless communication module is not influenced by electromagnetic interference input in shape interface, improves the anti-interference energy of wireless communication module
The case where power ensure that the stability of program in wireless communication module, be avoided as much as possible network disconnection generation, so as to mention
The wireless telecommunications quality of the air conditioner using the wireless communication module is risen, the user experience is improved.
In order to achieve the above object, the application second aspect embodiment proposes a kind of air conditioner, comprising: as first aspect is implemented
Wireless communication module described in example.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application one；
Fig. 2 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application two；
Fig. 3 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application three；
Fig. 4 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application four；
Fig. 5 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application five；
Fig. 6 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application six；
Fig. 7 is each component connection relationship diagram in the wireless communication module of the embodiment of the present application.
Specific embodiment
Embodiments herein is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the application, and should not be understood as the limitation to the application.
Below with reference to the accompanying drawings the wireless communication module and air conditioner of the embodiment of the present application are described.
Fig. 1 is the structural schematic diagram of wireless communication module provided by the embodiment of the present application one.
As shown in Figure 1, the wireless communication module 10 includes: main control chip 110 and shape interface 120.
Wherein, main control chip 110 includes reset pin (CHIP_EN, 12 feet) and debugging serial ports input pin (UART_
LOG_RX, 2 feet).Reset pin is for resetting main control chip 110；Debugging serial ports input pin is for reading, detecting master
Control the state of 110 intermediate range sort run of chip.
In the present embodiment, as shown in Figure 1, the input pin (42 foot) of the reset pin of main control chip 110 and shape interface
It disconnects, the debugging serial ports input pin of main control chip 110 connects with the first DC power supply (label is in Fig. 1), for defeated
Enter high level.The debugging serial ports input pin of main control chip 110 also with the debugging serial ports input pin (14 foot) of shape interface 120
Connection.
It is noted that shape interface during wireless communication module 10 works, in wireless communication module 10
120 inevitably will receive the influence of external electromagnetic interference, it is assumed that the input of the reset pin and shape interface 120 of main control chip 110
Pin (42 foot) connection will lead to the reset pin of main control chip 110 then when shape interface 120 receives electromagnetic signal interference
Incoming level it is unstable.When the accumulation of unstable level reaches certain threshold value, unstable level can interfere 110 intermediate range of main control chip
There are the failures such as crash, network disconnects so as to cause wireless communication module 10 in the normal operation of sequence.
And in the embodiment of the present application, by by the input pin of the reset pin of main control chip 110 and shape interface 120
(42 foot) disconnects, and when shape interface 120 receives electromagnetic signal interference, the electromagnetic signal interference that shape interface 120 receives can not
The reset pin of main control chip 110 is reached, so that the level that the reset pin of main control chip 110 inputs keeps stablizing, is kept away
The case where causing the program of main control chip 110 to be unable to operate normally because of reset pin incoming level shakiness is exempted from, has improved
The anti-interference ability of wireless communication module 10.
Further, in this embodiment by the debugging serial ports input pin of main control chip 110 and the first DC power supply V1 phase
It connects, stablize the debugging serial ports input pin of master control chip 110 in high level, avoid to debugging serial ports input high level
The debugging serial ports input pin of main control chip 110 is fluctuated and is influenced the normal fortune of program in main control chip 110 by external level
The case where going, and then leading to network disconnection generation, further improves the anti-interference ability of wireless communication module 10.
In a kind of possible implementation of the embodiment of the present application, as shown in Fig. 2, on the basis of embodiment as shown in Figure 1
On, fixed value resistance is accessed between the debugging serial ports input pin of main control chip 110 and the first DC power supply V1 (to be marked in Fig. 2
For R3), so that the incoming level of the debugging serial ports input pin of main control chip 110 maintains stable level value.
As a kind of possible implementation, the debugging serial ports input pin of main control chip 110 by resistance value be 4 kilo-ohms~
The fixed value resistance of arbitrary value is connected with the first DC power supply in 20 kilo-ohms, so that the debugging serial ports input of main control chip 110 is drawn
The incoming level of foot maintains stable 3.3 volts.For example, debugging serial ports input pin passes through 4 kilo-ohms of fixed value resistance and first
DC power supply is connected, alternatively, the fixed value resistance by 10 kilo-ohms is connected with the first DC power supply, alternatively, passing through 20 kilo-ohms
Fixed value resistance be connected with the first DC power supply, etc..
In a kind of possible implementation of the embodiment of the present application, as shown in figure 3, on the basis of embodiment as shown in Figure 1
On, wireless communication module 10 further includes first resistor (label is in Fig. 3) and first capacitor (label is in Fig. 3).
Wherein, the second DC power supply (label is in Fig. 3) is accessed in one end of first capacitor C1, and first capacitor C1's is another
One end ground connection；One end of first resistor R1 is connect with the reset pin of main control chip 110, the other end of first resistor R1 access the
Two DC power supply V2.
In the present embodiment, the second DC power supply V2 by first resistor R1 access main control chip 110 reset pin, first
Resistance R1 play the role of reduce voltage and current, can be avoided reset pin input level it is excessively high cause electromagnetic interference compared with
Big situation ensure that the stability of reset pin incoming level.
In a kind of possible implementation of the embodiment of the present application, as shown in figure 4, on the basis of embodiment as shown in Figure 1
On, wireless communication module 10 further includes clock oscillation 130, which includes: that crystal (marks in Fig. 4
For X1), the second capacitor (label is in Fig. 4) and third capacitor (label is in Fig. 4).
Wherein, crystal X1 such as can be quartz oscillator, and clock oscillation 130 is used to be main control chip 110
Reference frequency is provided, to guarantee the normal work of main control chip 110.In clock oscillation 130, one end of the second capacitor C2 with
One end of crystal X1 connects, the other end ground connection of the second capacitor C2；One end of third capacitor C3 is connect with the other end of crystal X1,
The other end of third capacitor C3 is grounded.
In the present embodiment, as shown in figure 4, main control chip 110 further includes crystal oscillator input pin (XI) and crystal oscillator output pin (XO),
Crystal oscillator input pin XI is connect with one end of crystal X1, and crystal oscillator output pin XO is connect with the other end of crystal X1.
When practical wiring, the length of crystal oscillator input pin XI and crystal oscillator output pin XO coherent signal line should be shortened as far as possible.Pass through
Third capacitor C3 and the second capacitor C2 is grounded, High-frequency Interference can be effectively reduced.
In a kind of possible implementation of the embodiment of the present application, as shown in figure 5, on the basis of embodiment as shown in Figure 1
On, main control chip 110 further includes radio frequency input and output foot (label is 9 feet in Fig. 5).
In the present embodiment, radio frequency input and output foot RFIO is connect with antenna (label is in Fig. 5), for passing through day
Line receives the data that external equipment is sent, and the data that main control chip 110 exports are sent to external equipment by antenna.
As shown in figure 5, radio frequency input and output foot RFIO is connect by an inductance (label is in Fig. 5) with antenna.
As a result, by accessing inductance between the radio frequency input and output pin RFIO and antenna of main control chip 110, can be improved antenna with
Matching degree between RFIO pin.
Further, in a kind of possible implementation of the embodiment of the present application, in radio frequency input and output RFIO leads ends
A direct current channel ground connection is arranged to avoid quiet to realize that static discharge (Electro Static Discharge, ESD) is protected
The electromagnetic field that discharge of electricity electric current generates is to the interference to main control chip 110, and static discharge current is avoided to pass through main control chip
110 cause to damage main control chip 110.
In a kind of possible implementation of the embodiment of the present application, as shown in fig. 6, on the basis of embodiment as shown in Figure 1
It is long, the wireless communication module 10 further include: storage chip 140.
As shown in fig. 6, storage chip 140 includes that four serial date transfer output pins (are respectively labeled as in Fig. 6
SIO0, SIO1, SIO2 and SIO3), a clock input pin (SCLK is respectively labeled as in Fig. 6), enabled pin (
CS# is respectively labeled as in Fig. 6), a grounding pin (GND is respectively labeled as in Fig. 6) and a power pins are (in Fig. 6
It is respectively labeled as VCC), four serial date transfer output pins, clock input pin and enabled pin in storage chip 140
Different universal inputs output (GPIOA) pin being respectively connected in main control chip 110, power pins access power supply and (get the bid in Fig. 6
It is denoted as V3), grounding pin GND access ground.
Wherein, serial date transfer output pin SIO2 is alternatively referred to as WP pin, which is used as protection pin, when this draws
When foot input low level, data can not be wiped and be modified；Serial date transfer output pin SIO3 is alternatively referred to as Hold
Pin, for preventing maloperation, when Hold pin input low level, main control chip 110 ignores all external commands, to reach
To the purpose for preventing maloperation.SCLK pin provides timing for the data transmission of serial date transfer output pin.
In a kind of possible implementation of the embodiment of the present application, wireless communication module 10 further includes power circuit, power supply
The input terminal of circuit respectively with the power pins of main control chip 110, the power pins of shape interface 120 and storage chip 140
Power pins connection, for powering for main control chip 110, shape interface 120 and storage chip 140.
The wireless communication module of the embodiment of the present application, by by the reset pin of main control chip in wireless communication module and outside
The input pin of shape interface disconnects, and the debugging serial ports input pin of main control chip is connected with power supply, with input high level, makes
Obtain wireless communication module is not influenced by electromagnetic interference input in shape interface, improves the anti-interference energy of wireless communication module
The case where power ensure that the stability of program in wireless communication module, be avoided as much as possible network disconnection generation, so as to mention
The wireless telecommunications quality of the air conditioner using the wireless communication module is risen, the user experience is improved.
Fig. 7 is each component connection relationship diagram in the wireless communication module of the embodiment of the present application.In Fig. 7, U1 indicates master
Chip is controlled, U3 indicates that shape interface, U4 indicate storage chip.As shown in fig. 7, the resetting pin (CHIP_EN) of main control chip and outer
It is not connected between each input pin of shape interface, thus when the input terminal of shape interface is interfered by extraneous electromagnetic signals, no
The incoming level of the resetting pin of main control chip can be had an impact.The debugging serial ports input pin (UART_LOG_ of main control chip
RX DC power supply) is accessed by fixed value resistance R3, to guarantee that the UART_LOG_RX pin inputs stable high level.It reaches as a result,
It has arrived and the purpose of the anti-interference ability of wireless communication module is provided.
It can be seen from figure 7 that main control chip further includes Clock Signal pin SWD_CLK and test pattern strobe pin
SWD_TMS, wherein SWD_CLK pin is connected with 38 feet of shape interface, and SWD_TMS pin is connected with 39 feet of shape interface.
Resistance R0 is accessed on antenna, pastes resistance for determining whether according to actual needs, for example, resistance R0 pastes 0 Europe for run in early stage
Resistance；For domestic project, resistance R0 leaves a blank and does not paste, and does not paste demand to meet.
The application also proposes a kind of air conditioner, includes wireless communication module described in previous embodiment in the air conditioner.By
Whole technical solutions of above-mentioned all embodiments are used in the air conditioner, therefore at least with the technical solution of above-described embodiment
Brought all beneficial effects, so that the air conditioner has good wireless telecommunications quality.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.Such as, if realized with hardware in another embodiment, following skill well known in the art can be used
Any one of art or their combination are realized: have for data-signal is realized the logic gates of logic function from
Logic circuit is dissipated, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Claims (10)
1. a kind of wireless communication module, comprising: main control chip and shape interface, which is characterized in that the main control chip includes multiple
Position pin and debugging serial ports input pin；Wherein,
The reset pin, for being resetted to the main control chip；
The debugging serial ports input pin, for reading, detecting the state of program operation；
The input pin of the reset pin and the shape interface disconnects；
The debugging serial ports input pin connects with the first DC power supply, is used for input high level.
2. wireless communication module according to claim 1, which is characterized in that the debugging serial ports input of the main control chip is drawn
Fixed value resistance is accessed between foot and first DC power supply.
3. wireless communication module according to claim 2, which is characterized in that the resistance value of the fixed value resistance be 4 kilo-ohms~
The incoming level of arbitrary value in 20 kilo-ohms, the debugging serial ports input pin is 3.3 volts.
4. wireless communication module according to claim 1, which is characterized in that the wireless communication module further include: first
Resistance and first capacitor；
The second DC power supply, the other end ground connection of the first capacitor are accessed in one end of the first capacitor；
One end of the first resistor is connect with the reset pin, and the other end of the first resistor accesses second direct current
Power supply.
5. wireless communication module according to claim 1, which is characterized in that the wireless communication module, further includes: clock
Oscillating circuit, the clock oscillation include: crystal, the second capacitor and third capacitor；
Wherein, one end of second capacitor is connect with one end of the crystal, the other end ground connection of second capacitor；
One end of the third capacitor is connect with the other end of the crystal, the other end ground connection of the third capacitor；
The main control chip includes crystal oscillator input pin and crystal oscillator output pin, one end company of the crystal oscillator input pin and the crystal
It connects, the crystal oscillator output pin is connect with the other end of the crystal.
6. wireless communication module according to claim 1, which is characterized in that the main control chip further include: radio frequency input
Output pin；
The radio frequency input and output foot is connect with antenna, the data for being sent by antenna reception external equipment, and
The data that the main control chip exports are sent to external equipment by the antenna.
7. wireless communication module according to claim 6, which is characterized in that the radio frequency input and output foot by inductance with
The antenna connection.
8. wireless communication module according to claim 1-7, which is characterized in that the wireless communication module, also
It include: storage chip；
The storage chip includes four serial date transfer output pins, a clock input pin, enabled pin, one
A grounding pin and a power pins, four serial date transfer output pins, the clock input pin and described
Enabled pin is respectively connected to the different universal input output pins of the main control chip.
9. wireless communication module according to claim 8, which is characterized in that the wireless communication module, further includes: power supply
Circuit；
The input terminal of the power circuit respectively with the power pins of the main control chip, the power pins of the shape interface and
The power pins of the storage chip connect, for powering for the main control chip, the shape interface and the storage chip.
10. a kind of air conditioner, which is characterized in that including such as described in any item wireless communication modules of claim 1-9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077548.2U CN209181193U (en) | 2018-12-11 | 2018-12-11 | Wireless communication module and air conditioner |
| US17/312,595 US20220057096A1 (en) | 2018-12-11 | 2019-10-28 | Wireless communication device and air conditioner |
| PCT/CN2019/113662 WO2020119288A1 (en) | 2018-12-11 | 2019-10-28 | Wireless communication module and air conditioner |
| EP19894985.1A EP3875864A4 (en) | 2018-12-11 | 2019-10-28 | Wireless communication module and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077548.2U CN209181193U (en) | 2018-12-11 | 2018-12-11 | Wireless communication module and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209181193U true CN209181193U (en) | 2019-07-30 |
Family
ID=67376527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077548.2U Withdrawn - After Issue CN209181193U (en) | 2018-12-11 | 2018-12-11 | Wireless communication module and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209181193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282437A (en) * | 2018-12-11 | 2019-01-29 | 广东美的制冷设备有限公司 | Wireless communication module and air conditioner |
| WO2020119288A1 (en) * | 2018-12-11 | 2020-06-18 | 广东美的制冷设备有限公司 | Wireless communication module and air conditioner |
-
2018
- 2018-12-11 CN CN201822077548.2U patent/CN209181193U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282437A (en) * | 2018-12-11 | 2019-01-29 | 广东美的制冷设备有限公司 | Wireless communication module and air conditioner |
| WO2020119288A1 (en) * | 2018-12-11 | 2020-06-18 | 广东美的制冷设备有限公司 | Wireless communication module and air conditioner |
| CN109282437B (en) * | 2018-12-11 | 2023-01-17 | 广东美的制冷设备有限公司 | Wireless communication module and air conditioner |
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