CN208063475U - Micro energy lose Bluetooth communication wiring board - Google Patents
Micro energy lose Bluetooth communication wiring board Download PDFInfo
- Publication number
- CN208063475U CN208063475U CN201820617610.XU CN201820617610U CN208063475U CN 208063475 U CN208063475 U CN 208063475U CN 201820617610 U CN201820617610 U CN 201820617610U CN 208063475 U CN208063475 U CN 208063475U
- Authority
- CN
- China
- Prior art keywords
- capacitance
- feet
- bluetooth
- diode
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The utility model discloses a kind of micro energy lose Bluetooth communication wiring board, which includes substrate and the bluetooth module that is set on the substrate, it is characterised in that：The bluetooth module includes Bluetooth circuit and the low dropout voltage regulator that is electrically connected with the Bluetooth circuit；The Bluetooth circuit includes Bluetooth chip, and the utility model wiring board uses low-power consumption bluetooth circuit, controls low-power consumption output by Bluetooth chip, or Bluetooth chip control circuit disconnects when not in use, and intelligent dressing bracelet is enable to use the longer time.
Description
Technical field
The utility model is related to wiring boards, particularly relate to a kind of micro energy lose Bluetooth communication wiring board.
Background technology
The now universal effect of intelligent dressing bracelet is note step, and sleep monitor, general principle is exactly to monitor your bracelet to be
It is no to have vibrations, to shake for foundation, note step record and sleep monitor are carried out, but the acceleration transducer in bracelet can be done much
It is more than these.
Related technical personnel have had in the prior art is applied to control intelligent terminal by bracelet, or operation automobile and
Intelligent remote control type device, but traditional most of bracelets use Bluetooth control, bracelet internal battery, battery to connect with Bluetooth circuit
It connects, therefore, it is necessary to the Bluetooth circuits equipped with low-power consumption.
Utility model content
For deficiency in the prior art, the technical problem to be solved by the present invention is to provide a kind of micro energy lose indigo plants
Tooth communication circuit board.
In order to solve the above technical problems, the utility model is realized by following scheme：Micro energy lose Bluetooth communication wiring board,
The wiring board includes substrate and the bluetooth module that is set on the substrate, the bluetooth module include Bluetooth circuit and with it is described
The low dropout voltage regulator that Bluetooth circuit is electrically connected；
The Bluetooth circuit includes Bluetooth chip, the Bluetooth chip：
C1 feet and C2 feet are connected with crystal oscillating circuit, and VDD1 feet are connected with capacitance C24, the other end ground connection of capacitance C24；
DEC1 feet are connected with capacitance C18, the other end ground connection of capacitance C18；
P0.29 feet connect capacitance C19, the other end connection resistance R38 of capacitance C19, the cathode of a diode, N-MOS
The positive terminal of the drain electrode of effect pipe Q1, the diode is connected with bilateral diode, and the bilateral diode other end connects institute
State the base stage of N-MOS field-effect tube Q1, the incoming end of diode C11, resistance R35 and KEY_TN, the source of N-MOS field-effect tube Q1
Pole is grounded, the other end ground connection of the capacitance C11；
P0.1 feet connect resistance R26, and the cathode of the other end connection light emitting diode of resistance R26, light emitting diode is just
Extreme connection VSYS incoming ends；
P0.3 feet connect capacitance C17, and the other end of capacitance C17 connects the cathode of a diode, N-MOS field-effect tube Q2
The other end of drain electrode, resistance R39, resistance R39 connect VSYS incoming ends, which is connected with bilateral diode, double
The source electrode ground connection of the base stage N-MOS field-effect tube Q1 of the N-MOS field-effect tube Q2 is connected to the diode other end；
The ends VDD2 are connected with capacitance C16, the other end ground connection of capacitance C16；
The low dropout voltage regulator includes voltage-stablizer U1, and the VIN feet of voltage-stablizer U1 connect power access end, EN feet
LDO_EN incoming ends are connected, capacitance C5, resistance R28, institute are connected on the circuit node between EN feet and LDO_EN incoming ends
State capacitance C5, the other end of capacitance R28 is grounded respectively, the ends Vout of the voltage-stablizer U1 are connected with capacitance C6, and capacitance C6's is another
One end is grounded.
Further, the C1 feet connection capacitance C13, crystal resonator X1, the other end ground connection of capacitance C13, crystal resonator X1's
The other end connects C2 feet, capacitance C10, the other end ground connection of capacitance C10, the ground terminal ground connection of the crystal resonator X1.
Compared with the existing technology, the utility model has the beneficial effects that：The utility model wiring board uses low-power consumption bluetooth
Circuit controls low-power consumption output by Bluetooth chip, or Bluetooth chip control circuit disconnects when not in use, makes intelligent wearing
Bracelet can use the longer time.
Description of the drawings
Fig. 1 is the utility model Bluetooth circuit figure；
Fig. 2 is the utility model low dropout voltage regulator figure.
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
Attached drawing 1-2 is please referred to, the micro energy lose Bluetooth communication wiring board of the utility model, which includes substrate and setting
Bluetooth module on the substrate, the bluetooth module include Bluetooth circuit and the low pressure that is electrically connected with the Bluetooth circuit
Poor regulator circuit；
The Bluetooth circuit includes Bluetooth chip, the Bluetooth chip：
C1 feet and C2 feet are connected with crystal oscillating circuit, and VDD1 feet are connected with capacitance C24, the other end ground connection of capacitance C24；
DEC1 feet are connected with capacitance C18, the other end ground connection of capacitance C18；
P0.29 feet connect capacitance C19, the other end connection resistance R38 of capacitance C19, the cathode of a diode, N-MOS
The positive terminal of the drain electrode of effect pipe Q1, the diode is connected with bilateral diode, and the bilateral diode other end connects institute
State the base stage of N-MOS field-effect tube Q1, the incoming end of diode C11, resistance R35 and KEY_IN, the source of N-MOS field-effect tube Q1
Pole is grounded, the other end ground connection of the capacitance C11；
P0.1 feet connect resistance R26, and the cathode of the other end connection light emitting diode of resistance R26, light emitting diode is just
Extreme connection VSYS incoming ends；
P0.3 feet connect capacitance C17, and the other end of capacitance C17 connects the cathode of a diode, N-MOS field-effect tube Q2
The other end of drain electrode, resistance R39, resistance R39 connect VSYS incoming ends, which is connected with bilateral diode, double
The source electrode ground connection of the base stage N-MOS field-effect tube Q1 of the N-MOS field-effect tube Q2 is connected to the diode other end；
The ends VDD2 are connected with capacitance C16, the other end ground connection of capacitance C16；
The low dropout voltage regulator includes voltage-stablizer U1, and the VIN feet of voltage-stablizer U1 connect power access end, EN feet
LDO_EN incoming ends are connected, capacitance C5, resistance R28, institute are connected on the circuit node between EN feet and LDO_EN incoming ends
State capacitance C5, the other end of capacitance R28 is grounded respectively, the ends Vout of the voltage-stablizer U1 are connected with capacitance C6, and capacitance C6's is another
One end is grounded.
Preferred embodiment：The C1 feet connection capacitance C13, crystal resonator X1, the other end ground connection of capacitance C13, crystal resonator X1's
The other end connects C2 feet, capacitance C10, the other end ground connection of capacitance C10, the ground terminal ground connection of the crystal resonator X1.
In the present embodiment, the Bluetooth chip in Bluetooth circuit uses the Bluetooth chip of model CC2540F256, low pressure
The voltage-stablizer of poor regulator circuit uses LDO 3V SOT-89 voltage-stablizers.
When the starting-up signal KEY_IN of key circuit output is high level, N-MOS field-effect tube Q1 enters saturation conduction
State since the source electrode of N-MOS field-effect tube Q1 is grounded, thus its drain potential is dragged down, makes the P0.29 interfaces of Bluetooth chip
For low level, the startup of low-power consumption mode is realized.When the hand of user is lifted from switching on and shutting down button, switching on and shutting down button disconnects,
The starting-up signal KEY_IN exported by key circuit becomes low level.At this point, N-MOS field-effect tube Q1 switchs to cut-off state,
Working power VSYS is applied to the P0.29 interfaces of Bluetooth chip by current-limiting resistance R38.Bluetooth chip, which is worked as, detects its P0.29
When interface becomes high level from low level, judgement switching on and shutting down button disconnects, and during normal operation, and timing detects
The level state of P0.29 interfaces.If Bluetooth chip detects that the level state of its P0.29 interface becomes low level from high level,
And low level duration when reaching setting value, Predicated execution power-off operation are exported low level by its P0.6 interface
Starting-up signal, control system circuit shutdown.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the patent model of the utility model
Enclose, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or directly or
It connects and is used in other relevant technical fields, be equally included in the patent within the scope of the utility model.
Claims (2)
1. micro energy lose Bluetooth communication wiring board, which includes substrate and the bluetooth module that is set on the substrate, special
Sign is：The bluetooth module includes Bluetooth circuit and the low dropout voltage regulator that is electrically connected with the Bluetooth circuit；
The Bluetooth circuit includes Bluetooth chip, the Bluetooth chip：
C1 feet and C2 feet are connected with crystal oscillating circuit, and VDD1 feet are connected with capacitance C24, the other end ground connection of capacitance C24；
DEC1 feet are connected with capacitance C18, the other end ground connection of capacitance C18；
P0.29 feet connect capacitance C19, the other end connection resistance R38 of capacitance C19, the cathode of a diode, N-MOS field-effects
The positive terminal of the drain electrode of pipe Q1, the diode is connected with bilateral diode, and the bilateral diode other end connects the N-
The base stage of metal-oxide-semiconductor field effect transistor Q1, the incoming end of diode C11, resistance R35 and KEY_IN, the source electrode of N-MOS field-effect tube Q1 connect
Ground, the other end ground connection of the capacitance C11；
P0.1 feet connect resistance R26, the cathode of the other end connection light emitting diode of resistance R26, the positive terminal of light emitting diode
Connect VSYS incoming ends；
P0.3 feet connect capacitance C17, and the other end of capacitance C17 connects the leakage of the cathode, N-MOS field-effect tube Q2 of a diode
The other end of pole, resistance R39, resistance R39 connect VSYS incoming ends, which is connected with bilateral diode, two-way
The diode other end connects the source electrode ground connection of the base stage N-MOS field-effect tube Q1 of the N-MOS field-effect tube Q2；
The ends VDD2 are connected with capacitance C16, the other end ground connection of capacitance C16；
The low dropout voltage regulator includes voltage-stablizer U1, and the VIN feet of voltage-stablizer U1 connect power access end, the connection of EN feet
LDO_EN incoming ends are connected with capacitance C5, resistance R28, the electricity on the circuit node between EN feet and LDO_EN incoming ends
Hold C5, capacitance R28 the other end be grounded respectively, the ends Vout of the voltage-stablizer U1 are connected with capacitance C6, the other end of capacitance C6
Ground connection.
2. micro energy lose Bluetooth communication wiring board according to claim 1, it is characterised in that：The C1 feet connection capacitance C13,
The other end of crystal resonator X1, capacitance C13 are grounded, other end connection C2 feet, the capacitance C10 of crystal resonator X1, the other end of capacitance C10
Ground connection, the ground terminal ground connection of the crystal resonator X1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617610.XU CN208063475U (en) | 2018-04-26 | 2018-04-26 | Micro energy lose Bluetooth communication wiring board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617610.XU CN208063475U (en) | 2018-04-26 | 2018-04-26 | Micro energy lose Bluetooth communication wiring board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063475U true CN208063475U (en) | 2018-11-06 |
Family
ID=63983927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820617610.XU Expired - Fee Related CN208063475U (en) | 2018-04-26 | 2018-04-26 | Micro energy lose Bluetooth communication wiring board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063475U (en) |
-
2018
- 2018-04-26 CN CN201820617610.XU patent/CN208063475U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |