CN113212076A - Novel externally-hung tire pressure monitoring system and method thereof - Google Patents
Novel externally-hung tire pressure monitoring system and method thereof Download PDFInfo
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- CN113212076A CN113212076A CN202110606612.5A CN202110606612A CN113212076A CN 113212076 A CN113212076 A CN 113212076A CN 202110606612 A CN202110606612 A CN 202110606612A CN 113212076 A CN113212076 A CN 113212076A
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- pressure detection
- detection device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
- B60C23/0438—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender comprising signal transmission means, e.g. for a bidirectional communication with a corresponding wheel mounted receiver
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0479—Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a novel externally-hung tire pressure monitoring system and a method thereof, wherein the system comprises a data receiving terminal and an externally-hung tire pressure detecting device, the valve of each wheel is connected with one externally-hung tire pressure detecting device, the externally-hung tire pressure detecting devices are coated outside the valve, the externally-hung tire pressure detecting devices are connected in parallel with each other and are in data connection with the data receiving terminal through wireless communication, and the data receiving terminal is electrically connected with a vehicle running computer circuit. The monitoring method comprises three steps of equipment assembly, tire pressure detection operation, detection maintenance and the like. The invention can effectively meet the requirement of synchronous detection operation of tire pressures of various vehicles, and greatly improves the use flexibility and the universality of the invention; the tire pressure data detection method has the advantages of high tire pressure data detection precision, good data acquisition communication signal quality stability and convenience in data acquisition, so that the reliability and stability of the tire pressure detection of the vehicle are greatly improved.
Description
Technical Field
The invention relates to a novel externally-hung tire pressure monitoring system and a method thereof, belonging to the technical field of automobiles.
Background
Tire pressure detection equipment is important equipment for ensuring the running safety of a vehicle at present, the use amount is large, but in actual use, on one hand, detection sensors of various currently used tire pressure detection equipment are powered by batteries, so that the batteries need to be frequently replaced when a current tire pressure detection system runs to meet the requirements of detection operation, the running continuity and poor stability of the current tire pressure detection equipment are caused, the daily maintenance difficulty and the cost are relatively high, and great inconvenience is caused to the actual use; on the other hand, the stability and reliability of the wireless signal are relatively poor when the current tire pressure detection equipment acquires the tire pressure data, so that the quality of acquiring the tire pressure signal is seriously influenced; meanwhile, the difficulty in reading the acquired tire pressure data is high, and special display equipment is often required to be arranged, so that the running cost of the tire pressure detection system and the complexity of the system are increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a novel externally-hung tire pressure monitoring system and a novel externally-hung tire pressure monitoring method, wherein the requirement of the externally-hung tire pressure detecting device for continuous tire pressure detection is met by replacing a driving battery of the externally-hung tire pressure detecting device; the solar power generation panel through the external tire pressure detection device provides auxiliary operation electric energy for the external tire pressure detection device, and meanwhile, the solar power generation panel charges the driving battery, so that the requirement that the external tire pressure detection device continues tire pressure detection is met.
A novel externally-hung tire pressure monitoring system comprises data receiving terminals and externally-hung tire pressure detecting devices, wherein the number of the externally-hung tire pressure detecting devices is consistent with the number of wheels, an air valve of each wheel is connected with one externally-hung tire pressure detecting device and coaxially distributed, the externally-hung tire pressure detecting devices are covered outside the air valve and coaxially distributed with the air valve, the externally-hung tire pressure detecting devices are mutually connected in parallel and are in data connection with the data receiving terminals through wireless communication, the data receiving terminals are embedded in the outer side surface of a vehicle body and are electrically connected with a vehicle driving computer circuit, the data receiving terminals comprise bearing shells, electromagnets, positioning blocks, a main control circuit based on DSP, MOS driving circuits, wireless communication circuits, serial communication circuits and control interfaces, the bearing shells are of closed cavity structures with lifting cross sections, at least one electromagnet is embedded at the bottom of the bearing shells and evenly distributed around the axis of the bottom of the bearing shells, the positioning blocks are uniformly distributed around the axis of the bearing shell and connected with the outer side face of the bearing shell, a main control circuit based on DSP, an MOS drive circuit, a wireless communication circuit and a serial port communication circuit are embedded in the bearing shell, wherein the main control circuit based on DSP is respectively electrically connected with the wireless communication circuit, the serial port communication circuit and a control interface through the MOS drive circuit, the wireless communication circuit and the serial port communication circuit are also electrically connected with the main control circuit based on DSP, a data connection is established between the wireless communication circuit and each external tire pressure detection device, and the serial port communication circuit is electrically connected with a vehicle running computer circuit.
Furthermore, the DSP-based main control circuit comprises a DSP logic processing module, a data bus module, a crystal oscillator clock module, an I/O communication port module, a power amplification circuit module and a filter circuit module, wherein the DSP logic processing module is respectively electrically connected with the crystal oscillator clock module and the I/O communication port module through the data bus module, the I/O communication port module is electrically connected with the DSP logic processing module through the power amplification circuit module, and the I/O communication port module is electrically connected with a wireless communication circuit, a serial communication circuit and a control interface through the filter circuit module.
Furthermore, the bearing shell side surface corresponding to the positioning block is provided with a guide sliding groove, the guide sliding groove and the bearing shell axis are distributed in parallel, and the rear end face of the positioning block is embedded in the guide sliding groove and is in sliding connection with the guide sliding groove.
Furthermore, the control interface comprises any one or more of a key, a display and a wiring terminal.
Further, the external tire pressure detection device comprises a sealing end cap, an inner lining sealing end cap, a guide column, an air pressure sensor, an auxiliary driving battery, a wireless communication circuit and an auxiliary driving circuit, wherein the sealing end cap and the inner lining sealing end cap are coated outside an air port and form a closed cavity structure with an air valve, the sealing end cap is coated outside the inner lining sealing end cap, the sealing end cap and the inner lining sealing end cap are coaxially distributed, a control cavity with the width not less than 5 mm is arranged between the upper end surface of the inner lining sealing end cap and the inner surface of the top of the sealing end cap, the auxiliary driving battery, the wireless communication circuit and the auxiliary driving circuit are embedded in the control cavity, the auxiliary driving circuit is respectively and electrically connected with the auxiliary driving battery, the wireless communication circuit and the air pressure sensor, the guide column is of a cylindrical tubular structure and is coaxially distributed with the inner lining sealing end cap, and the upper end surface of the guide column is embedded in the inner lining sealing end cap and connected with the lower end surface of the top of the inner lining sealing end cap, the latter half inlays in the valve and with the coaxial distribution of valve, and the guide post lateral surface offsets and sliding connection with the valve medial surface, baroceptor inlays in the guide post and with the coaxial distribution of guide post.
Furthermore, the external tire pressure detection device is additionally provided with a solar panel, the solar panel is electrically connected with an auxiliary driving circuit of the external tire pressure detection device and is connected with the outer surface of the wheel hub, the solar panel comprises an insulating bearing seat, a solar panel, a positioning card and a wiring terminal, the solar panel is embedded in the insulating bearing seat and is electrically connected with the wiring terminal, the wiring terminal is embedded at the bottom of the insulating bearing seat and is electrically connected with the external tire pressure detection device through a wire, the positioning cards are a plurality of and are uniformly distributed around the axis of the insulating bearing seat, and the insulating bearing seat is connected with the wheel hub through the positioning card.
Furthermore, the auxiliary driving circuit is a circuit system based on any one of a DSP, an FPGA, an MCU and a PID chip, and the auxiliary driving circuit is additionally provided with a voltage-stabilizing direct-current power supply circuit.
A monitoring method of a novel externally-hung tire pressure monitoring system comprises the following steps:
s1, assembling equipment, namely, firstly, assembling a data receiving terminal on the outer surface of a vehicle body of a vehicle, connecting the data receiving terminal with a vehicle running computer and a power supply system, then installing the plug-in tire pressure detection device on an air valve of a wheel, establishing wireless data communication connection between the plug-in tire pressure detection device and the data receiving terminal, and finally, distributing independent data communication addresses and data communication protocols to each plug-in tire pressure detection device through the data receiving terminal to finish the equipment assembly;
and S2, detecting and operating the tire pressure, wherein after the step S1 is completed, the data receiving terminal is powered by a vehicle circuit to meet the operation requirement of the tire pressure monitoring platform, the external tire pressure detecting device drives the air pressure sensor by a self-contained driving battery to detect the tire pressure, and simultaneously drives the wireless communication circuit and the auxiliary driving circuit to operate, and sends the tire pressure detection data to the data receiving terminal, and the data receiving terminal feeds the received data back to a vehicle running computer to meet the requirement of the tire pressure detection of the vehicle.
S3, detecting and maintaining, wherein in the step S2, during the tire pressure detection operation, the driving battery of the externally hung tire pressure detecting device is replaced, so that the requirement of the externally hung tire pressure detecting device for continuous tire pressure detection is met; the solar power generation panel through the external tire pressure detection device provides auxiliary operation electric energy for the external tire pressure detection device, and meanwhile, the solar power generation panel charges the driving battery, so that the requirement that the external tire pressure detection device continues tire pressure detection is met.
The invention has strong continuous operation capability, can effectively meet the requirement of synchronous detection operation of tire pressures of various vehicles, and greatly improves the use flexibility and the universality; the requirement of the external tire pressure detection device for continuous tire pressure detection is met by replacing the driving battery of the external tire pressure detection device; the solar power generation panel of the external tire pressure detection device provides auxiliary operation electric energy for the external tire pressure detection device, and simultaneously charges the driving battery, so that the requirement of the external tire pressure detection device on continuous tire pressure detection is met; the tire pressure data detection method has the advantages of high tire pressure data detection precision, good data acquisition communication signal quality stability and convenience in data acquisition, thereby greatly improving the reliability and stability of the tire pressure detection of the vehicle and providing effective guarantee for the running safety of the vehicle.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic diagram of the system of the present invention;
fig. 2 is a schematic structural diagram of a data receiving terminal;
FIG. 3 is a schematic diagram of a DSP-based main control circuit of the data receiving terminal;
FIG. 4 is a schematic structural view of an externally hung tire pressure detecting device;
FIG. 5 is a schematic diagram of a solar power generation panel;
fig. 6 is a schematic view of the installation position of the solar panel.
The reference numbers in the figures: the device comprises a data receiving terminal 1, an externally-hung tire pressure detection device 2, a solar power generation panel 3, a wheel hub 4, a bearing shell 11, an electromagnet 12, a positioning block 13, a main control circuit 14 based on a DSP (digital signal processor), an MOS (metal oxide semiconductor) drive circuit 15, a wireless communication circuit 16, a serial communication circuit 17, a control interface 18, a guide chute 19, a sealing end cap 21, a lining sealing end cap 22, a guide column 23, an air pressure sensor 24, an auxiliary drive battery 25, a wireless communication circuit 26, an auxiliary drive circuit 27, a control cavity 28, an air valve 29, an insulating bearing seat 31, a solar panel 32, a positioning card 33 and a wiring terminal 34.
Detailed Description
In order to facilitate the implementation of the technical means, creation features, achievement of the purpose and the efficacy of the invention, the invention is further described below with reference to specific embodiments.
As shown in fig. 1 and 4, a novel externally-mounted tire pressure monitoring system comprises a data receiving terminal 1 and externally-mounted tire pressure detecting devices 2, the number of the externally-mounted tire pressure detecting devices 2 is consistent with the number of wheels, an air valve 29 of each wheel is connected with one externally-mounted tire pressure detecting device 2 and coaxially distributed, the externally-mounted tire pressure detecting devices 2 are coated outside the air valve 29 and coaxially distributed with the air valve 29, the externally-mounted tire pressure detecting devices 2 are mutually connected in parallel and are in data connection with the data receiving terminal 1 through wireless communication, and the data receiving terminal 1 is embedded in the outer side surface of a vehicle body and is electrically connected with a vehicle running computer circuit.
Referring to fig. 2, the data receiving terminal 1 includes a carrying shell 11, an electromagnet 12, a positioning block 13, a DSP-based main control circuit 14, MOS driving circuits 15, wireless communication circuits 16, a serial communication circuit 17, and a control interface 18, where the carrying shell 11 is a closed cavity structure with a cross section being held, at least one electromagnet 12 is embedded in the bottom of the carrying shell 11 and uniformly distributed around the axis of the bottom of the carrying shell 11, at least two positioning blocks 13 are uniformly distributed around the axis of the carrying shell 11 and connected to the outer side surface of the carrying shell 11, the DSP-based main control circuit 14, the MOS driving circuits 15, the wireless communication circuits 16, and the serial communication circuit 17 are all embedded in the carrying shell 11, where the DSP-based main control circuit 14 is electrically connected to the wireless communication circuit 16, the serial communication circuit 17, and the control interface 18 through the MOS driving circuits 15, respectively, the wireless communication circuit 16, the serial communication circuit 17 are electrically connected to the DSP-based main control circuit 14, the wireless communication circuit 16 is also connected with each externally hung tire pressure detecting device 2 in a data mode, and the serial communication circuit 17 is electrically connected with a vehicle driving computer circuit.
Referring to fig. 3, the DSP-based main control circuit 14 includes a DSP logic processing module, a data bus module, a crystal oscillator clock module, an I/O communication port module, a power amplification circuit module, and a filter circuit module, wherein the DSP logic processing module is electrically connected to the crystal oscillator clock module and the I/O communication port module through the data bus module, the I/O communication port module is electrically connected to the DSP logic processing module through the power amplification circuit module, and the I/O communication port module is electrically connected to the wireless communication circuit 16, the serial communication circuit 17, and the control interface 18 through the filter circuit module.
Referring to fig. 2, a guide sliding groove 19 is formed in a side surface of the bearing shell 11 corresponding to the positioning block 13, the guide sliding groove 19 is distributed parallel to an axis of the bearing shell 11, and a rear end surface of the positioning block 13 is embedded in the guide sliding groove 19 and is slidably connected with the guide sliding groove 19.
In this embodiment, the control interface 18 includes any one or more of a button, a display, and a connection terminal 34.
Referring to fig. 4, the external tire pressure detecting device 2 includes a sealing end cap 21, a lining sealing end cap 22, a guide column 23, an air pressure sensor 24, an auxiliary driving battery 25, a wireless communication circuit 26, and an auxiliary driving circuit 27, wherein the sealing end cap 21 and the lining sealing end cap 22 are both covered outside an air port and form a closed cavity structure with an air valve 29, the sealing end cap 21 is covered outside the lining sealing end cap 22, the sealing end cap 21 and the lining sealing end cap 22 are coaxially distributed, a control cavity 28 with a width not less than 5 mm is arranged between the upper end surface of the lining sealing end cap 22 and the inner surface of the top of the sealing end cap 21, the auxiliary driving battery 25, the wireless communication circuit 26, and the auxiliary driving circuit 27 are all embedded in the control cavity 28, the auxiliary driving circuit 27 is electrically connected with the auxiliary driving battery 25, the wireless communication circuit 26, and the air pressure sensor 24 respectively, the guide column 23 is a cylindrical tubular structure, with the coaxial distribution of inside lining sealing end cap 22, and guide post 23 up end inlay in inside lining sealing end cap 22 and be connected with the lower terminal surface at inside lining sealing end cap 22 top, the latter half inlays in valve 29 and with the coaxial distribution of valve 29, and guide post 23 lateral surface offsets and sliding connection with valve 29 medial surface, baroceptor 24 inlays in guide post 23 and with the coaxial distribution of guide post 23.
Referring to fig. 5 to 6, the external tire pressure detecting device 2 is further provided with a solar power generation panel 3, the solar power generation panel 3 is electrically connected with the auxiliary driving circuit 27 of the external tire pressure detecting device 2 and is connected with the outer surface of the wheel hub 4, the solar power generation panel 3 comprises an insulating bearing seat 31, a solar panel 32, a plurality of positioning clips 33 and a wiring terminal 34, the solar panel 32 is embedded in the insulating bearing seat 31 and is electrically connected with the wiring terminal 34, the wiring terminal 34 is embedded at the bottom of the insulating bearing seat 31 and is electrically connected with the external tire pressure detecting device 2 through a wire, the plurality of positioning clips 33 are uniformly distributed around the axis of the insulating bearing seat 31, and the insulating bearing seat 31 is connected with the wheel hub 4 through the positioning clips 33. The auxiliary driving circuit 27 is a circuit system based on any one of a DSP, an FPGA, an MCU, and a PID chip, and the auxiliary driving circuit 27 is additionally provided with a voltage-stabilizing dc power supply circuit.
A monitoring method of a novel externally-hung tire pressure monitoring system comprises the following steps:
s1, assembling equipment, namely, firstly, assembling the data receiving terminal 1 on the outer surface of a vehicle body, connecting the data receiving terminal with a vehicle running computer and a power supply system, then installing the plug-in tire pressure detection device 2 on the air valve 29 of a wheel, establishing wireless data communication connection between the plug-in tire pressure detection device 2 and the data receiving terminal 1, and finally, distributing independent data communication addresses and data communication protocols to each plug-in tire pressure detection device 2 through the data receiving terminal 1 to finish the equipment assembly;
and S2, performing tire pressure detection operation, after the step S1 is completed, performing power supply operation on the data receiving terminal 1 by a vehicle circuit to meet the operation requirement of a tire pressure monitoring platform, driving the air pressure sensor 24 by a self-contained driving battery of the external tire pressure detection device 2 to perform tire pressure detection, driving the wireless communication circuit 26 and the auxiliary driving circuit 27 to operate simultaneously, sending tire pressure detection data to the data receiving terminal 1, and feeding the received data back to a vehicle running computer by the data receiving terminal 1 to meet the requirement of vehicle tire pressure detection.
S3, detecting and maintaining, wherein in the step S2, during the tire pressure detection operation, on one hand, the requirement of the external tire pressure detection device 2 for continuous tire pressure detection is met by replacing the driving battery of the external tire pressure detection device 2; on the other hand, the solar power generation panel 3 of the external tire pressure detection device 2 provides auxiliary operation electric energy for the external tire pressure detection device 2, and meanwhile, the driving battery is charged, so that the requirement that the external tire pressure detection device 2 continues tire pressure detection is met.
On one hand, the system has simple structure, flexible and convenient installation, maintenance and operation and strong continuous operation capability, can effectively meet the requirements of synchronous detection operation of the tire pressures of various vehicles, and greatly improves the use flexibility and the universality of the system; on the other hand, in operation, the tire pressure data detection precision is high, the data acquisition communication signal quality stability is good, and the detection data acquisition is convenient, so that the reliability and the stability of the vehicle tire pressure detection are greatly improved, and an effective guarantee is provided for the vehicle operation safety.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a novel outer hanging tire pressure monitoring system which characterized in that: the tire pressure monitoring system comprises a data receiving terminal (1) and external tire pressure detection devices (2), wherein the number of the external tire pressure detection devices (2) is consistent with that of wheels, a valve (29) of each wheel is connected with one external tire pressure detection device (2) and coaxially distributed, the external tire pressure detection devices (2) are coated outside the valve (29) and coaxially distributed with the valve (29), the external tire pressure detection devices (2) are mutually connected in parallel and are in data connection with the data receiving terminal (1) through wireless communication, the data receiving terminal (1) is embedded in the outer side face of a vehicle body and is electrically connected with a vehicle driving computer circuit, and the data receiving terminal (1) comprises a bearing shell (11), an electromagnet (12), a positioning block (13), a DSP-based main control circuit (14), an MOS driving circuit (15), a wireless communication circuit (16), The bearing shell (11) is of a closed cavity structure with a cross section being held, at least one electromagnet (12) is embedded in the bottom of the bearing shell (11) and uniformly distributed around the axis of the bottom of the bearing shell (11), at least two positioning blocks (13) are uniformly distributed around the axis of the bearing shell (11) and connected with the outer side surface of the bearing shell (11), the DSP-based main control circuit (14), the MOS driving circuit (15), the wireless communication circuit (16) and the serial communication circuit (17) are all embedded in the bearing shell (11), the DSP-based main control circuit (14) is respectively and electrically connected with the wireless communication circuit (16), the serial communication circuit (17) and the control interface (18) through the MOS driving circuit (15), the wireless communication circuit (16) and the serial communication circuit (17) are additionally and electrically connected with the DSP-based main control circuit (14), and the wireless communication circuit (16) is also in data connection with each plug-in tire pressure detection device (2), and the serial communication circuit (17) is electrically connected with a vehicle running computer circuit.
2. The novel externally-hung tire pressure monitoring system according to claim 1, wherein: the DSP-based main control circuit (14) comprises a DSP logic processing module, a data bus module, a crystal oscillator clock module, an I/O communication port module, a power amplification circuit module and a filter circuit module, wherein the DSP logic processing module is respectively electrically connected with the crystal oscillator clock module and the I/O communication port module through the data bus module, the I/O communication port module is electrically connected with the DSP logic processing module through the power amplification circuit module, and the I/O communication port module is electrically connected with a wireless communication circuit (16), a serial communication circuit (17) and a control interface (18) through the filter circuit module.
3. The novel externally-hung tire pressure monitoring system according to claim 1, wherein: the side surface of the bearing shell (11) corresponding to the positioning block (13) is provided with a guide sliding groove (19), the guide sliding groove (19) and the axis of the bearing shell (11) are distributed in parallel, and the rear end face of the positioning block (13) is embedded in the guide sliding groove (19) and is in sliding connection with the guide sliding groove (19).
4. The novel externally-hung tire pressure monitoring system according to claim 1, wherein: the control interface (18) comprises any one or more of a key, a display and a wiring terminal (34).
5. The novel externally-hung tire pressure monitoring system according to claim 1, wherein: external tire pressure detection device (2) including sealed end cap (21), inside lining sealed end cap (22), guide post (23), baroceptor (24), auxiliary drive battery (25), wireless communication circuit (26), auxiliary drive circuit (27), sealed end cap (21), inside lining sealed end cap (22) all coat outside the gas port and constitute closed cavity structure with valve (29), sealed end cap (21) coat outside inside lining sealed end cap (22), coaxial distribution between sealed end cap (21), inside lining sealed end cap (22) up end and sealed end cap (21) top internal surface within a definite time establish width not less than 5 millimeters control chamber (28), auxiliary drive battery (25), wireless communication circuit (26), auxiliary drive circuit (27) all inlay in control chamber (28), auxiliary drive circuit (27) respectively with auxiliary drive battery (25), Wireless communication circuit (26) and baroceptor (24) electrical connection, guide post (23) are cylinder tubular structure, with inside lining sealing end cap (22) coaxial distribution, and guide post (23) up end inlay in inside lining sealing end cap (22) and be connected with the lower terminal surface at inside lining sealing end cap (22) top, the latter half inlays in valve (29) and with valve (29) coaxial distribution, and guide post (23) lateral surface offsets and sliding connection with valve (29) medial surface, baroceptor (24) inlay in guide post (23) and with guide post (23) coaxial distribution.
6. The novel externally-hung tire pressure monitoring system according to claim 5, wherein: external tire pressure detection device (2) establish solar panel (3) in addition, solar panel (3) and external tire pressure detection device's (2) auxiliary drive circuit (27) electrical connection to with wheel hub (4) surface connection, solar panel (3) bear seat (31), solar panel (32), locator card (33) and binding post (34) including insulating, solar panel (32) inlay in insulating bearing seat (31) to with binding post (34) electrical connection, binding post (34) inlay in insulating bearing seat (31) bottom, and through wire and external tire pressure detection device (2) electrical connection, locator card (33) are a plurality of, encircle insulating bearing seat (31) axis equipartition, and insulating bearing seat (31) are connected with wheel hub through locator card (33).
7. The novel externally-hung tire pressure monitoring system according to claim 1, wherein: the auxiliary driving circuit (27) is a circuit system based on any one of a DSP, an FPGA, an MCU and a PID chip, and the auxiliary driving circuit (27) is additionally provided with a voltage-stabilizing direct-current power supply circuit.
8. The monitoring method of the novel externally-hung tire pressure monitoring system according to claim 5 or 6, characterized by comprising the following steps:
firstly, assembling the data receiving terminal (1) on the outer surface of a vehicle body, connecting the data receiving terminal with a vehicle running computer and a power supply system, then installing the plug-in tire pressure detection device (2) on an air valve (29) of a wheel, establishing wireless data communication connection between the plug-in tire pressure detection device (2) and the data receiving terminal (1), and finally distributing independent data communication addresses and data communication protocols for the plug-in tire pressure detection devices (2) through the data receiving terminal (1);
the data receiving terminal (1) is powered by a vehicle circuit to meet the operation requirement of a tire pressure monitoring platform, the plug-in tire pressure detection device (2) is driven by a self-contained driving battery to drive an air pressure sensor (24) to detect the tire pressure and simultaneously drive the wireless communication circuit (26) and an auxiliary driving circuit (27) to operate, the tire pressure detection data are sent to the data receiving terminal (1), the received data are fed back to a vehicle running computer by the data receiving terminal (1), and the requirement of the vehicle tire pressure detection is met
The requirement of the external tire pressure detection device (2) for continuous tire pressure detection is met by replacing a driving battery of the external tire pressure detection device (2); the solar power generation panel (3) of the external tire pressure detection device (2) provides auxiliary operation electric energy for the external tire pressure detection device (2), and meanwhile, the solar power generation panel charges a driving battery, so that the requirement that the external tire pressure detection device (2) continuously detects tire pressure is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110606612.5A CN113212076B (en) | 2021-06-01 | 2021-06-01 | Externally-hung tire pressure monitoring system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN114643817A (en) * | 2022-04-02 | 2022-06-21 | 南京泰晟科技实业有限公司 | Tire pressure monitoring system and method for 6-wheel truck, passenger car and bus |
| EP4361477A1 (en) * | 2022-07-06 | 2024-05-01 | Sstatzz Oy | Apparatus and method for installing valve in hollow body and sensor arrangement for sensing data therein |
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| CN113212076B (en) | 2023-06-27 |
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