CN218238859U - Wireless communication positioning circuit based on UWB and Bluetooth technology - Google Patents
Wireless communication positioning circuit based on UWB and Bluetooth technology Download PDFInfo
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- CN218238859U CN218238859U CN202222195519.2U CN202222195519U CN218238859U CN 218238859 U CN218238859 U CN 218238859U CN 202222195519 U CN202222195519 U CN 202222195519U CN 218238859 U CN218238859 U CN 218238859U
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Abstract
The utility model provides a wireless communication positioning circuit based on UWB and bluetooth, including bluetooth location chip module and UWB location chip module that is used for with mobile device communication connection, the speedtransmitter module, be used for measuring current space acceleration and send the triaxial accelerometer module in bluetooth location chip module, a power supply module for providing required power for each module, a charger module for supplying power for power supply module, a charge indicator module for lighting at the charger module during operation, a key switch module for controlling triaxial accelerometer module start-up work. The utility model provides a pair of wireless communication positioning circuit based on UWB and bluetooth can come to carry out real-time data transmission with the cell-phone through bluetooth module and UWB module respectively, and user's accessible cell-phone APP inquires the information of current equipment, knows the current positional information state of equipment to can pinpoint the position of equipment, look for.
Description
Technical Field
The utility model relates to an electronic circuit technical field especially relates to a wireless communication positioning circuit based on UWB and bluetooth.
Background
At present, most of the wireless communication positioning devices commonly used in the market are realized by adopting the bluetooth technology. That is, when the wireless communication positioning device enters the Signal coverage range of the bluetooth node, the wireless communication positioning device can measure the RSSI (Received Signal Strength Indication) values of the wireless communication positioning device under different bluetooth nodes, and calculate a specific position through a related positioning algorithm, so as to realize the positioning function of the wireless communication positioning device.
However, in practice, the existing wireless communication positioning device adopting the bluetooth technology is low in positioning precision, can only achieve the positioning function of meter level, is poor in stability and is easily interfered in a complex environment.
Therefore, it is desirable to provide a wireless communication positioning circuit based on UWB and bluetooth technologies to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned technique is not enough, provides a wireless communication positioning circuit based on UWB and bluetooth.
In order to solve the above technical problem, a technical solution adopted in the present invention is to provide a wireless communication positioning circuit based on UWB and bluetooth, including a bluetooth positioning chip module 1 and a UWB positioning chip module 2 for being in communication connection with a mobile device, a speed sensor module 3 for measuring a current moving speed and sending the current moving speed to the bluetooth positioning chip module 1, a triaxial accelerometer module 4 for measuring a current spatial acceleration and sending the current spatial acceleration to the bluetooth positioning chip module 1, a power supply module 5 for providing required power to each module, a charger module 6 for supplying power to the power supply module 5, a charging indicator light module 7 for lighting up when the charger module 6 works, and a key switch module 8 for controlling the start-up work of the triaxial accelerometer module 4;
the two-way data communication end of the speed sensor module 3 and the two-way data communication end of the triaxial accelerometer module 4 are respectively electrically connected with the bluetooth positioning chip module 1, the charging indicator lamp module 7 is electrically connected to the charging state indicating end of the charger module 6, and the key switch module 8 is electrically connected to the control signal input end of the triaxial accelerometer module 4.
In the examples, it is preferred that:
the speed sensor module 3 is internally provided with a speed sensor chip U4 with the model of LIS2DH12TR and used for measuring the current moving speed and sending the current moving speed to the Bluetooth positioning chip module 1, an interruption pin INT1 of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1, a clock pin SCL of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1, and a two-way data communication end SDA of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1.
In the examples, it is preferred that:
the three-axis accelerometer module 4 is internally provided with a three-axis accelerometer chip U4 with a model of QMA7981, the three-axis accelerometer chip U4 is used for measuring current spatial acceleration and sending the current spatial acceleration to the Bluetooth positioning chip module 1, the key switch module 8 is electrically connected to an interruption pin INT2 of the three-axis accelerometer chip U4, a clock pin SCL of the three-axis accelerometer chip U4 is electrically connected to a power output end of the power supply module 5 through a resistor R4, the Bluetooth positioning chip module 1 is electrically connected between the clock pin SCL of the three-axis accelerometer chip U4 and the resistor R4, a bidirectional data communication end SDA of the three-axis accelerometer chip U4 is electrically connected to the power output end of the power supply module 5 through a resistor R5, and the Bluetooth positioning chip module 1 is electrically connected between the bidirectional data communication end SDA of the three-axis accelerometer chip U4 and the resistor R4.
In the examples, it is preferred that:
the power supply module 5 comprises a first power supply circuit 51 for providing a required power supply for the bluetooth positioning chip module 1, a second power supply circuit 52 for providing a required power supply for the UWB positioning chip module 2, and a third power supply circuit 53 for providing a required power supply for other modules;
the power input end of the first power supply circuit 51 and the power input end of the third power supply circuit 53 are respectively electrically connected with the power output end of the charger module 6, the power input end of the second power supply circuit 52 is electrically connected with the power output end of the first power supply circuit 51, the enabling end of the second power supply circuit 52 is electrically connected with the UWB positioning chip module 2, the enabling end of the third power supply circuit 53 is electrically connected with the power output end of the charger module 6, and the enabling end of the first power supply circuit 51 is grounded.
In the examples, it is preferred that:
the first power supply circuit 51 comprises a linear voltage regulator chip U5 with model number ME6212C33M for providing required power supply for the Bluetooth positioning chip module 1, the power supply input end of the linear voltage regulator chip U5 is electrically connected with the power supply output end of the charger module 6, and the enabling end of the linear voltage regulator chip U5 is grounded through a resistor R17;
the second power supply circuit 52 comprises a linear voltage regulator chip U6 with the model number RS3236 for providing a required power supply for the UWB positioning chip module 2, a power supply input end of the linear voltage regulator chip U6 is electrically connected with a power supply output end of the linear voltage regulator chip U5, and an enable end of the linear voltage regulator chip U6 is electrically connected with the UWB positioning chip module 2;
the third power supply circuit 53 includes a linear regulator chip U7 with model number ME6212C33M for providing power required by other modules, and the power input end and the enable end of the linear regulator chip U7 are electrically connected to the power output end of the charger module 6.
In the examples, it is preferred that:
the charger module 6 includes a power supply chip IC1 with model number TP4057 for supplying power to the power supply module 5, and the charge indicator light module 7 is electrically connected to a charge state indicating terminal CHRG of the power supply chip IC 1.
In the examples, it is preferred that:
the charging indicator light module 7 comprises a resistor R19 and a light emitting diode D1 which are connected in series, one end of the resistor R19 is electrically connected to the charging state indicating end of the charger module 6, and the anode of the light emitting diode D1 is electrically connected to the power output end of the power supply module 5.
In the examples, it is preferred that:
the three-axis accelerometer is characterized in that a resistor RB1, a diode D3 and a switch key S1 which are arranged in series are arranged in the key switch module 8, the resistor RB1 and a diode D2 are electrically connected between the diodes D3, the cathode of the diode D2 is electrically connected to the control signal input end of the three-axis accelerometer module 4, one end of the resistor RB1 is electrically connected with the signal output end of the charger module 6, and one end of the switch key S1 is grounded.
In the examples, it is preferred that:
the bluetooth positioning module 1 comprises a low-power-consumption bluetooth chip U1 with the model number of nRF52832 and an antenna element ANT1 for acquiring bluetooth gateway information and being in communication connection with the mobile device, wherein the antenna element ANT1 is electrically connected to a wireless signal transceiving end ANT of the low-power-consumption bluetooth chip U1, and a bidirectional data communication end of the speed sensor module 3 and a bidirectional data communication end of the triaxial accelerometer module 4 are respectively and electrically connected with the low-power-consumption bluetooth chip U1.
In the examples, it is preferred that:
UWB location chip module 2 has the model to be DW1000 UWB location chip U2, be used for obtaining location base station information and with mobile device communication connection's antenna element ANT2, be used for converting received differential signal to single-ended radio frequency signal's balun converter T1, UWB location chip U2's two-way data communication end with bluetooth location chip module 1 electricity is connected, antenna element ANT 2's signal output end with balun converter T1 electricity is connected, balun converter T1 with UWB location chip U2's radio frequency signal receiving and dispatching end electricity is connected.
Compared with the prior art, the beneficial effects of the utility model are that:
1. because the location of UWB module needs higher consumption just can realize, so need not too accurate positioning process at ordinary times, this application can only use the bluetooth chip to realize the location purpose, and when mobile device need acquire comparatively accurate locating information, can start the UWB module and realize, and then can realize a long-time and low-power consumption operation effect.
2. This application can come to carry out real-time data transmission with the cell-phone through bluetooth module and UWB module respectively, and user's accessible cell-phone APP inquires the information of current equipment, knows the current positional information state of equipment to can pinpoint the position of equipment, look for.
3. If the positioning function is realized by only using one Bluetooth positioning chip module, the chip can measure and calculate the current positioning information according to some information of nearby Bluetooth gateways like the prior art, the positioning precision is low, the chip can only reach the positioning function of meter level, the stability is poor, and the chip is easily interfered in a complex environment.
Drawings
Fig. 1 is a schematic block diagram of a circuit structure of a wireless communication positioning circuit based on UWB and bluetooth technology of the present invention;
fig. 2 is a schematic circuit diagram of the bluetooth positioning chip module of the present invention;
fig. 3 is a schematic circuit diagram of a UWB positioning chip module of the present invention;
fig. 4 is a circuit schematic of the speed sensor module of the present invention;
fig. 5 is a schematic circuit diagram of a triaxial accelerometer module and a key switch module according to the present invention;
fig. 6 is a schematic circuit diagram of the power supply module of the present invention;
fig. 7 is a schematic circuit diagram of the charger module and the charge indicator light module of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the drawings.
Referring to fig. 1, the wireless communication positioning circuit based on UWB and bluetooth technology of this embodiment includes a bluetooth positioning chip module 1 and a UWB positioning chip module 2 for communicating with a mobile device, a speed sensor module 3 for measuring a current moving speed and sending the current moving speed to the bluetooth positioning chip module 1, a three-axis accelerometer module 4 for measuring a current spatial acceleration and sending the current spatial acceleration to the bluetooth positioning chip module 1, a power supply module 5 for providing a required power supply for each module, a charger module 6 for supplying power to the power supply module 5, a charging indicator light module 7 for lighting up when the charger module 6 works, and a key switch module 8 for controlling the three-axis accelerometer module 4 to start up;
the two-way data communication end of the speed sensor module 3 and the two-way data communication end of the triaxial accelerometer module 4 are respectively electrically connected with the Bluetooth positioning chip module 1, the charging indicator lamp module 7 is electrically connected with the charging state indicating end of the charger module 6, and the key switch module 8 is electrically connected with the control signal input end of the triaxial accelerometer module 4.
In this embodiment, when the mobile device selects to start the UWB positioning chip module 2 to obtain the positioning information, the mobile device may first send a start signal to the UWB positioning chip module 2, and then the UWB positioning chip module 2 may measure an accurate positioning information according to a piece of information of a nearby UWB positioning base station, and wirelessly send the positioning information to the mobile device, so that the mobile device (e.g., the mobile phone APP) reads data and writes data to display.
In this embodiment, when the mobile device selects to start the bluetooth positioning chip module 1 to obtain the positioning information, the mobile device may first send a start signal to the bluetooth positioning chip module 1, and then the bluetooth positioning chip module 1 may measure a current positioning information according to a bluetooth gateway information nearby, a moving speed detected by the speed sensor module 3, and a movement track count detected by the triaxial accelerometer module 4, and wirelessly send the positioning information to the mobile device, so that the mobile device (e.g., a mobile phone APP) reads data and writes data to display.
In this embodiment, this application can come to carry out real-time data transmission with the cell-phone through bluetooth module and UWB module respectively, and user's accessible cell-phone APP inquires the information of current equipment, knows the current position information state of equipment to can pinpoint the position of equipment, look for.
In this embodiment, because the location of UWB module needs higher consumption just can realize, so need not too accurate positioning process at ordinary times, this application can only use the bluetooth chip to realize the location purpose, and when mobile device need acquire comparatively accurate locating information, can start the UWB module and realize, and then can realize a long-time and low-power consumption operation effect.
In this embodiment, if only one bluetooth positioning chip module 1 is used to realize the positioning function, then the chip can measure and calculate the current positioning information according to some information of the nearby bluetooth gateway just like the prior art, the positioning precision is low, it can only reach the positioning function of meter level, and the stability is poor, and it is easy to be interfered under the complex environment, and this application additionally adopts the speed sensor module 3 and the three-axis accelerometer module 4 to combine on the bluetooth positioning technology, so that the bluetooth positioning chip module 1 not only can measure and calculate the current positioning information according to some information of the nearby bluetooth gateway, but also can count according to the current moving speed and moving track, to obtain more accurate and stable positioning information.
In this embodiment, under the condition of normal standby, bluetooth positioning chip module 1, velocity sensor module 3 and triaxial accelerometer module 4 are still in operating condition, make the uninterrupted of location data, and this moment, even if the bluetooth chip takes place the condition disturbed under the environment of complicacy because of the relatively poor factor of stability, also not have too much influence, and when equipment starts, UWB positioning chip module 2 can intervene the work, in order to guarantee equipment stability at the time of the operation, can not send more accurate locating information to mobile device in the time of being disturbed under the environment of complicacy.
In this embodiment, the charger module 6 may adopt a constant current/constant voltage linear charger for the reverse connection protection of the positive electrode and the negative electrode of the battery, which may be an external power supply and convert the external power supply into the voltage required by the power supply module 5, and may also store the excess electric quantity, when the charger module 6 disconnects the external power supply, the originally stored electric energy in the charger module 6 may continue to supply power to the power supply module 5, so that the wireless communication positioning circuit may work orderly, and may not fall into a short-circuit state due to a temporary power outage, and at the same time, when the charger module 6 supplies power to the power supply module 5, the charging indicator lamp module 7 may be always on, and when the charger module 6 cannot supply power to the power supply module 5, the charging indicator lamp module 7 may be turned off, so that the user supplies the external power to the charger module 6.
In this embodiment, the wireless communication positioning device of the present application is applicable to the loss prevention of valuables such as mobile phones, purses, keys, luggage, and the like, and can also be used for preventing children from getting lost, pets from getting lost, and vehicles from being positioned, and the present application does not limit at all.
In the embodiment, the UWB technology has strong anti-interference capability and higher immunity to interference of other radio systems, so that the UWB technology becomes feasible in indoor, outdoor and near wall positioning which needs to be controlled, the UWB technology can realize three-dimensional dynamic positioning, the number of receivers in the UWB monitoring system determines the positioning dimension, an l0Hz system can position the UWB tag at a resolution of several centimeters, when there are four or more receivers with different heights, three-dimensional accurate positioning can be obtained, the more the number of the receivers with different heights is, and the higher the positioning accuracy is.
In this embodiment, when the user needs to obtain the motion trail count of the current device, the key switch module 8 may be manually pressed to start the triaxial accelerometer module 4, and if the user does not need to obtain the motion trail count of the current device, the key switch module 8 may be manually turned off, so as to reduce one power consumption of the triaxial accelerometer module 4.
Referring to fig. 2, in the embodiment of the present invention, it is preferable that:
the Bluetooth positioning chip module 1 comprises a low-power consumption Bluetooth chip U1 with the model number of nRF52832 and an antenna element ANT1 used for acquiring Bluetooth gateway information and being in communication connection with a mobile device, the antenna element ANT1 is electrically connected to a wireless signal transceiving end ANT of the low-power consumption Bluetooth chip U1, and a bidirectional data communication end of the speed sensor module 3 and a bidirectional data communication end of the triaxial accelerometer module 4 are respectively and electrically connected with the low-power consumption Bluetooth chip U1.
In this embodiment, the power consumption of the bluetooth chip U1 in this application is about 5.0mA, and compared with other models, the power consumption is lower, and there is a 64KB RAM memory, and compared with the UWB module, the bluetooth module in this application has a lower cost, and can realize low-cost and low-power consumption communication with the mobile terminal.
In this embodiment, when the mobile device selects to start the bluetooth positioning chip module 1 to obtain the positioning information, the mobile device may first send a start signal to the bluetooth chip U1, then the antenna element ANT1 may obtain a piece of nearby bluetooth gateway information to the bluetooth chip U1, and then the bluetooth chip U1 may measure a piece of current positioning information according to the bluetooth gateway information, the moving speed detected by the speed sensor module 3, and the moving track count detected by the three-axis accelerometer module 4, and wirelessly send the positioning information to the mobile device, so that the mobile device (e.g., the mobile phone APP) reads data and writes data to display.
Referring to fig. 3, in the embodiment of the present invention, it is preferable that:
the UWB positioning chip module 2 comprises a UWB positioning chip U2 with the model number of DW1000, an antenna element ANT2 used for acquiring positioning base station information and being in communication connection with the mobile device, and a balun T1 used for converting received differential signals into single-ended radio-frequency signals, wherein a bidirectional data communication end of the UWB positioning chip U2 is electrically connected with the Bluetooth positioning chip module 1, a signal output end of the antenna element ANT2 is electrically connected with the balun T1, and the balun T1 is electrically connected with a radio-frequency signal transceiving end of the UWB positioning chip U2.
In this embodiment, in the positioning process, the antenna element ANT2 may acquire a differential signal sent by the information of the nearby positioning base station, and then the balun T1 may convert the differential signal into a single-ended radio frequency signal and send the single-ended radio frequency signal to the UWB positioning chip U2, so that the UWB positioning chip U2 measures the position information of the current device, and finally sends the positioning information to the mobile device through the antenna element ANT2, so that the mobile device (e.g., a mobile phone APP) reads data and writes data to display the data.
Referring to fig. 4, in the embodiment of the present invention, it is preferable that:
the speed sensor module 3 is internally provided with a speed sensor chip U4 with the model of LIS2DH12TR and used for measuring the current moving speed and sending the current moving speed to the Bluetooth positioning chip module 1, an interruption pin INT1 of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1, a clock pin SCL of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1, and a two-way data communication end SDA of the speed sensor chip U4 is electrically connected with the Bluetooth positioning chip module 1.
Referring to fig. 5, in the embodiment of the present invention, it is preferable that:
Referring to fig. 5, in the embodiment of the present invention, it is preferable that:
the key switch module 8 comprises a resistor RB1, a diode D3 and a switch key S1 which are arranged in series, the diode D2 is electrically connected between the resistor RB1 and the diode D3, the cathode of the diode D2 is electrically connected to the control signal input end of the triaxial accelerometer module 4, one end of the resistor RB1 is electrically connected with the signal output end of the charger module 6, and one end of the switch key S1 is grounded.
In this embodiment, when the user does not need to obtain the movement track count of the current device, the switch button S1 may be manually pressed to ground a signal triggering the operation of the triaxial accelerometer module 4, and the signal cannot be conducted to the triaxial accelerometer module 4, so that the triaxial accelerometer module 4 is turned off, thereby reducing the power consumption of the triaxial accelerometer module 4 and prolonging the service life of the triaxial accelerometer module 4. Similarly, when the user needs to obtain the movement track count of the current device, the switch key S1 can be manually pressed again to disconnect the switch key S1, and then a signal triggering the operation of the triaxial accelerometer module 4 can be transmitted to the triaxial accelerometer module 4 through the diode D2, so that the triaxial accelerometer module 4 is started to operate, and the movement track count of the current device is transmitted to the bluetooth positioning chip module 1 through the data line.
Referring to fig. 6, in the embodiment of the present invention, it is preferable that:
the power supply module 5 comprises a first power supply circuit 51 for providing required power for the bluetooth positioning chip module 1, a second power supply circuit 52 for providing required power for the UWB positioning chip module 2, and a third power supply circuit 53 for providing required power for other modules;
the power input ends of the first power supply circuit 51 and the third power supply circuit 53 are respectively electrically connected with the power output end of the charger module 6, the power input end of the second power supply circuit 52 is electrically connected with the power output end of the first power supply circuit 51, the enabling end of the second power supply circuit 52 is electrically connected with the UWB positioning chip module 2, the enabling end of the third power supply circuit 53 is electrically connected with the power output end of the charger module 6, and the enabling end of the first power supply circuit 51 is grounded.
Referring to fig. 6, in the embodiment of the present invention, it is preferable that:
the first power supply circuit 51 comprises a linear voltage regulator chip U5 with model number ME6212C33M for providing required power supply for the Bluetooth positioning chip module 1, the power supply input end of the linear voltage regulator chip U5 is electrically connected with the power supply output end of the charger module 6, and the enabling end of the linear voltage regulator chip U5 is grounded through a resistor R17;
the second power supply circuit 52 comprises a linear voltage regulator chip U6 with the model number of RS3236 for providing required power for the UWB positioning chip module 2, the power input end of the linear voltage regulator chip U6 is electrically connected with the power output end of the linear voltage regulator chip U5, and the enable end of the linear voltage regulator chip U6 is electrically connected with the UWB positioning chip module 2;
the third power supply circuit 53 includes a linear regulator chip U7 with model number ME6212C33M for providing the required power supply for other modules, and the power input end and the enable end of the linear regulator chip U7 are electrically connected to the power output end of the charger module 6.
Referring to fig. 7, in the embodiment of the present invention, it is preferable that:
the charger module 6 includes a power supply chip IC1 with model number TP4057 for supplying power to the power supply module 5, and the charge indicator light module 7 is electrically connected to a charge state indicating terminal CHRG of the power supply chip IC 1.
In this embodiment, the power chip IC1 of the present application adopts a constant current/constant voltage linear charger for the reverse connection protection of the positive electrode and the negative electrode of the battery, which can be used for external power supply and convert the external power supply into the voltage required by the power supply module 5, and can also store the redundant electric quantity, when the power chip IC1 is disconnected from the external power supply, the originally stored electric energy in the power chip IC1 can continue to supply power to the power supply module 5, so that the wireless communication positioning circuit can work orderly, and cannot get into a short circuit state due to a temporary power failure.
Referring to fig. 7, in the embodiment of the present invention, it is preferable that:
the charging indicator light module 7 comprises a resistor R19 and a light emitting diode D1 which are connected in series, one end of the resistor R19 is electrically connected to the charging state indicating end of the charger module 6, and the anode of the light emitting diode D1 is electrically connected to the power output end of the power supply module 5.
In this embodiment, when the charger module 6 supplies power to the power supply module 5, the light emitting diode D1 is always on, and if the charger module 6 cannot supply power to the power supply module 5, the light emitting diode D1 is turned off, so that the user supplies an external power to the charger module 6.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same reason as the protection scope of the present invention.
Claims (10)
1. A wireless communication positioning circuit based on UWB and bluetooth, its characterized in that: the mobile phone comprises a Bluetooth positioning chip module (1) and a UWB positioning chip module (2) which are in communication connection with a mobile device, a speed sensor module (3) which is used for measuring the current moving speed and sending the current moving speed to the Bluetooth positioning chip module (1), a triaxial accelerometer module (4) which is used for measuring the current space acceleration and sending the current space acceleration to the Bluetooth positioning chip module (1), a power supply module (5) which is used for providing required power for each module, a charger module (6) which is used for supplying power for the power supply module (5), a charging indicator lamp module (7) which is used for being lightened up when the charger module (6) works, and a key switch module (8) which is used for controlling the triaxial accelerometer module (4) to start to work;
the bidirectional data communication end of the speed sensor module (3) and the bidirectional data communication end of the triaxial accelerometer module (4) are respectively electrically connected with the Bluetooth positioning chip module (1), the charging indicator lamp module (7) is electrically connected to the charging state indicating end of the charger module (6), and the key switch module (8) is electrically connected to the control signal input end of the triaxial accelerometer module (4).
2. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
including being used for of model for LIS2DH12TR in the speed sensor module (3) measure current moving speed and send to speed sensor chip U4 on bluetooth positioning chip module (1), speed sensor chip U4's interruption foot INT1 with bluetooth positioning chip module (1) electricity is connected, speed sensor chip U4's clock pin SCL with bluetooth positioning chip module (1) electricity is connected, speed sensor chip U4's two-way data communication end SDA with bluetooth positioning chip module (1) electricity is connected.
3. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the three-axis accelerometer module (4) comprises a three-axis accelerometer chip U4 with a model of QMA7981, wherein the three-axis accelerometer chip U4 is used for measuring current spatial acceleration and sending the current spatial acceleration to the Bluetooth positioning chip module (1), the key switch module (8) is electrically connected to an interruption pin INT2 of the three-axis accelerometer chip U4, a clock pin SCL of the three-axis accelerometer chip U4 is electrically connected with a power output end of the power supply module (5) through a resistor R4, the Bluetooth positioning chip module (1) is electrically connected between the clock pin SCL of the three-axis accelerometer chip U4 and the resistor R4, a two-way data communication end SDA of the three-axis accelerometer chip U4 is electrically connected with a power output end of the power supply module (5) through a resistor R5, and the Bluetooth positioning chip module (1) is electrically connected between the two-way data communication end SDA of the three-axis accelerometer chip U4 and the resistor R4.
4. A UWB and bluetooth based wireless communication positioning circuit according to any one of claims 1 to 3, wherein:
the power supply module (5) comprises a first power supply circuit (51) for providing required power supply for the Bluetooth positioning chip module (1), a second power supply circuit (52) for providing required power supply for the UWB positioning chip module (2) and a third power supply circuit (53) for providing required power supply for other modules;
the power input end of the first power supply circuit (51) and the third power supply circuit (53) is respectively connected with the power output end of the charger module (6) electrically, the power input end of the second power supply circuit (52) is connected with the power output end of the first power supply circuit (51) electrically, the enabling end of the second power supply circuit (52) is connected with the UWB positioning chip module (2) electrically, the enabling end of the third power supply circuit (53) is connected with the power output end of the charger module (6) electrically, and the enabling end of the first power supply circuit (51) is grounded.
5. The UWB and Bluetooth technology based wireless communication positioning circuit of claim 4 wherein:
the first power supply circuit (51) comprises a linear voltage regulator chip U5 with the model number of ME6212C33M and used for providing a required power supply for the Bluetooth positioning chip module (1), the power supply input end of the linear voltage regulator chip U5 is electrically connected with the power supply output end of the charger module (6), and the enabling end of the linear voltage regulator chip U5 is grounded through a resistor R17;
the second power supply circuit (52) comprises a linear voltage regulator chip U6 with the model number of RS3236 for providing required power for the UWB positioning chip module (2), the power input end of the linear voltage regulator chip U6 is electrically connected with the power output end of the linear voltage regulator chip U5, and the enabling end of the linear voltage regulator chip U6 is electrically connected with the UWB positioning chip module (2);
the third power supply circuit (53) comprises a linear voltage regulator chip U7 with the model number of ME6212C33M and used for providing required power for other modules, and the power input end and the enabling end of the linear voltage regulator chip U7 are respectively and electrically connected with the power output end of the charger module (6).
6. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the charger module (6) is internally provided with a power supply chip IC1 with the model number TP4057 for supplying power to the power supply module (5), and the charging indicator lamp module (7) is electrically connected to a charging state indicating end CHRG of the power supply chip IC 1.
7. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the charging indicator lamp module (7) comprises a resistor R19 and a light emitting diode D1 which are connected in series, one end of the resistor R19 is electrically connected to the charging state indicating end of the charger module (6), and the anode of the light emitting diode D1 is electrically connected with the power output end of the power supply module (5).
8. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the utility model discloses a three-axis accelerometer module, including the resistance RB1, diode D3 and the switch button S1 that establish ties and set up in key switch module (8), resistance RB1 with be connected with diode D2 to the electricity between the diode D3, diode D2 ' S cathode electricity connect in on the control signal input of triaxial accelerometer module (4), resistance RB1 ' S one end with the signal output part electricity of charger module (6) is connected, switch button S1 ' S one end ground connection.
9. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the Bluetooth positioning chip module (1) comprises a low-power consumption Bluetooth chip U1 with the model number of nRF52832 and an antenna element ANT1 used for acquiring Bluetooth gateway information and in communication connection with the mobile device, wherein the antenna element ANT1 is electrically connected to a wireless signal transceiving end ANT of the low-power consumption Bluetooth chip U1, and a bidirectional data communication end of the speed sensor module (3) and a bidirectional data communication end of the triaxial accelerometer module (4) are respectively and electrically connected with the low-power consumption Bluetooth chip U1.
10. The UWB and bluetooth technology based wireless communication positioning circuit of claim 1, wherein:
the UWB positioning chip module (2) is provided with a UWB positioning chip U2 with the model number of DW1000, an antenna element ANT2 used for acquiring positioning base station information and being in communication connection with the mobile equipment, and a balun T1 used for converting a received differential signal into a single-ended radio-frequency signal, wherein a bidirectional data communication end of the UWB positioning chip U2 is electrically connected with the Bluetooth positioning chip module (1), a signal output end of the antenna element ANT2 is electrically connected with the balun T1, and the balun T1 is electrically connected with a radio-frequency signal transceiving end of the UWB positioning chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195519.2U CN218238859U (en) | 2022-08-20 | 2022-08-20 | Wireless communication positioning circuit based on UWB and Bluetooth technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222195519.2U CN218238859U (en) | 2022-08-20 | 2022-08-20 | Wireless communication positioning circuit based on UWB and Bluetooth technology |
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| Publication Number | Publication Date |
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| CN218238859U true CN218238859U (en) | 2023-01-06 |
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| CN202222195519.2U Active CN218238859U (en) | 2022-08-20 | 2022-08-20 | Wireless communication positioning circuit based on UWB and Bluetooth technology |
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