CN210428129U - Management device for external equipment of department mark - Google Patents
Management device for external equipment of department mark Download PDFInfo
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- CN210428129U CN210428129U CN201921232132.1U CN201921232132U CN210428129U CN 210428129 U CN210428129 U CN 210428129U CN 201921232132 U CN201921232132 U CN 201921232132U CN 210428129 U CN210428129 U CN 210428129U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 77
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims description 52
- 238000001914 filtration Methods 0.000 claims description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 101100114416 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-10 gene Proteins 0.000 claims description 9
- 238000011161 development Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 36
- 238000010586 diagram Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model discloses a department mark peripheral management device, the input end of which is in communication connection with a host, and the output end of which is in communication connection with a department mark peripheral, comprising a control module and a conversion module, wherein the control module is connected with the conversion module, and the conversion module is used for connecting the department mark peripheral; the control module receives communication data from the host and transmits the communication data to the conversion module through the UART; the conversion module receives the communication data transmitted from the control module, converts the communication data into transmission protocol data which can be recognized by the external equipment of the department mark, and transmits the transmission protocol data to the external equipment of the department mark. By uniformly connecting the peripheral equipment of the ministerial mark to the peripheral equipment management device of the ministerial mark, whether a peripheral interface conforming to the ministerial mark is reserved on the host computer or not does not need to be considered; meanwhile, if a user replaces the control equipment and the control platform, only the host needs to be replaced, and the new host is connected with the ministerial mark peripheral management device again, software and hardware do not need to be developed again, and development resources and time are saved.
Description
Technical Field
The utility model relates to the connecting box field especially involves a department's mark peripheral hardware management device.
Background
The peripheral equipment of the department mark in the existing vehicle is directly connected with a host machine by adopting a corresponding interface to transmit and communicate information with the host machine, and specifically, the peripheral equipment of the department mark comprises equipment such as a price meter, an evaluator, a top light and the like. If the owner of the vehicle changes the host or the host system of the vehicle connection, not only the driving software corresponding to the accessed department mark peripheral needs to be updated again, but also the main software and hardware need to be redeveloped, and the time and the resources are wasted.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a department's mark peripheral hardware management device for all department's mark peripheral hardware of unified management.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the input end of the management device is in communication connection with a host, and the output end of the management device is in communication connection with the peripheral equipment of the department mark, and the management device comprises a control module and a conversion module, wherein the control module is connected with the conversion module, and the conversion module is used for connecting the peripheral equipment of the department mark;
the control module receives communication data from a host and transmits the communication data to the conversion module through a UART; the conversion module receives the communication data transmitted by the control module, converts the communication data into transmission protocol data which can be recognized by the peripheral equipment of the ministerial mark, and transmits the transmission protocol data to the peripheral equipment of the ministerial mark.
Furthermore, the control module comprises a micro-control unit and a filtering unit electrically connected to the micro-control unit, and the filtering unit is used for filtering and stabilizing the voltage supplied by the micro-control unit.
Further, the filtering unit comprises a plurality of filtering capacitors, and the filtering capacitors are connected in parallel with each other.
Furthermore, the conversion module comprises a conversion chip and an interface unit electrically connected with the conversion chip, the conversion chip is connected with the micro-control unit and is used for receiving the UART level from the micro-control unit and converting the UART level into a recognizable level, and the interface unit is also electrically connected with the external device of the department mark and transmits the recognizable level to the external device of the department mark.
Further, the interface unit comprises an RS232 interface unit and an RS485 interface unit, the RS232 interface unit is used for transmitting the converted recognizable level to the external device of the department mark, and the RS485 interface unit is used for transmitting the converted recognizable level to the external device of the department mark.
The voltage stabilizing module is electrically connected to the micro-control unit and comprises a chip U16, capacitors C139, C140, C141, C142 and C143, resistors R32, R31 and R27, an inductor L4, a power input terminal connected with the VIN pin and the EN pin of the chip U16, first ends of the capacitors C141, C139 and R32, second ends of the capacitors C141, C139 and R32 connected with ground, a first end of the inductor L4 connected with the SW pin of the chip U16, a second end of the inductor L4 connected with the first ends of the micro-control unit and the capacitor C142, second ends of the capacitors C140, R31 and C143 connected with the OUT pin of the chip U16 and the micro-control unit, first ends of the capacitors C140 and R31, and a second end of the resistor R27 connected with the FB pin of the chip U16, and a first end of the capacitor C143 connected with the second end of the capacitor C142 connected with ground.
Furthermore, the vehicle monitoring system also comprises a CAN transceiver module electrically connected with the micro-control unit, wherein the CAN transceiver module is used for acquiring the vehicle instant information.
Further, the CAN transceiver module includes a chip U10, resistors R9, R12, R46 and R13, capacitors C86, C42, C66 and C73 and an interface CON10, a first terminal of a capacitor C86 is connected to a VCC pin and a power input terminal of the chip U10, a second terminal of the capacitor R46 is connected to ground, a first terminal of the capacitor C73 and the interface CON10 are connected to the first terminal of the capacitor C86, a first terminal of the capacitor C10 is connected to a CANL pin of the chip U10, a second terminal of the capacitor C10 and the interface CON10 are connected to ground, a first terminal of the capacitor C10 is connected to the VREF pin of the chip U10, a second terminal of the capacitor R10 is connected to ground, a first terminal of the resistor R10 is connected to the micro-control unit, and a second terminal of the resistor R10 is connected to an RXD pin of the micro-control unit.
Further, the model of the chip U10 is TJA 1050T.
The utility model has the advantages that: the scheme is characterized in that the accessed external devices of the ministerial mark are uniformly connected to the management device of the external devices of the ministerial mark, then the management device of the external devices of the ministerial mark is connected to the host computer for communication, the management device of the external devices of the ministerial mark transfers data and uniformly connects and manages all the external devices of the ministerial mark without considering whether the host computer is provided with an external interface (a hardware interface or a mechanism interface) which accords with the ministerial mark; meanwhile, if a user replaces the control equipment and the control platform, only the host needs to be replaced, and the new host is connected with the ministerial mark peripheral management device again, software and hardware do not need to be developed again, and development resources and time are saved.
Drawings
Fig. 1 is a schematic block diagram of a partially labeled peripheral management device according to an embodiment of the present invention;
fig. 2 is a wiring diagram of a control unit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a filtering unit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a conversion chip according to an embodiment of the present invention;
fig. 5 is a circuit diagram of an RS232 interface unit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an RS485 interface unit according to an embodiment of the present invention;
fig. 7 is a circuit diagram of a voltage stabilizing module according to an embodiment of the present invention;
fig. 8 is a circuit diagram of a CAN transceiver module according to an embodiment of the present invention;
fig. 9 is a flowchart of a method for managing a peripheral device of a partial label according to another embodiment of the present invention.
Detailed Description
For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is also changed accordingly, and the connection may be a direct connection or an indirect connection.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In this specification, "/" denotes "or" unless otherwise specified.
The peripheral equipment of department mark refers to external equipment conforming to the standard of the traffic department 905, such as a vehicle meter and the like.
Referring to fig. 1-8, in one embodiment, the present invention provides a management device for department mark peripherals, which has an input end connected to a host and an output end connected to the host, and comprises a control module 21 and a conversion module 22, wherein the control module 21 is connected to the host 10 for communication, the control module 21 is connected to the conversion module 22, and the conversion module 22 is connected to the department mark peripherals 30. The control module 21 receives communication data from the host 10, and transmits the communication data to the conversion module 22 through a UART (universal asynchronous Receiver/Transmitter); the conversion module 22 receives the communication data from the control module 21, converts the communication data into recognizable transmission protocol data of the external device 30 of the emblem, and transmits the transmission protocol data to the external device 30 of the emblem, where the recognizable transmission protocol may be RS232 transmission protocol or RS485 transmission protocol.
According to the scheme, the accessed department mark peripherals 30 are connected to the department mark peripheral management device 20 in a unified mode, then the department mark peripheral management device 20 is connected to the host 10 for communication, the department mark peripheral management device 20 performs data transfer transmission and is connected and managed with all the department mark peripherals 30 in a unified mode, various connection interfaces such as RS232 interfaces and RS485 interfaces are arranged in the department mark peripheral management device 20 in advance, all the department mark peripherals 30 are directly connected to the department mark peripheral management device 20, whether the interfaces (hardware interfaces or mechanism interfaces) conforming to the department mark peripherals 30 are reserved on the host 10 or not is not considered, and the adaptability of the host 10 to the department mark peripherals 30 is improved.
In one embodiment, the control module 21 is connected to the host 10 via USB and receives communication data from the host 10.
Specifically, the control module 21 includes a micro control unit and a filtering unit electrically connected to the micro control unit, and the filtering unit is configured to perform filtering and voltage stabilizing processing on the voltage supplied by the micro control unit. In one implementation, the MCU is an MCU (microcontrol Unit) of which the model is STM32F427LQPF100, and a connection diagram of the MCU is shown in fig. 2, specifically, the MCU is configured with all peripheral communication protocols and control logics conforming to the standard of the ministerial 905, and is configured with a proprietary communication protocol for communicating with the host 10, and the filtering Unit is used for voltage stabilization filtering.
Referring to fig. 3, the filter unit includes a plurality of filter capacitors, the filter capacitors are connected in parallel, and voltage stabilization filtering of the micro control unit is implemented by the filter capacitors connected in parallel.
Specifically, the conversion module 22 includes a conversion chip and an interface unit, the conversion chip is connected to the micro control unit and is configured to receive the UART level from the micro control unit and convert the UART level into a recognizable level of the external device 30 of the department mark, the input end of the interface unit is connected to the conversion chip, the output end of the interface unit is connected to the external device 30 of the department mark, and the interface unit is configured to transmit the recognizable level to the external device of the department mark.
In an embodiment, the conversion chip is a high-speed stable MAXIM chip, and may convert the UART level into an RS232 level or an RS485 level recognizable by 905 standard peripheral equipment, specifically, the conversion chip is MAX 3485. The interface unit further comprises an RS232 interface unit and an RS485 interface unit, the RS232 interface unit is used for transmitting the converted recognizable level (RS232 level) to the ministerial mark peripheral 30, and the RS485 interface unit is used for transmitting the converted recognizable level (RS485 level) to the ministerial mark peripheral 30. In an embodiment, as shown in fig. 4, a specific circuit diagram of the conversion chip is shown, fig. 5 is a circuit diagram of an RS232 interface unit, and fig. 6 is a circuit diagram of an RS485 interface unit.
In an embodiment, the partially labeled peripheral management device 20 further includes a voltage stabilizing module electrically connected to the micro control unit, where the voltage stabilizing module is configured to stabilize an output voltage and efficiently and stably supply power to the partially labeled peripheral management device 20.
In an embodiment, referring to fig. 7, the voltage stabilizing module includes a chip U16, capacitors C139, C140, C141, C142, and C143, resistors R32, R31, and R27, and an inductor L4, a power input is connected to the VIN pin and the EN pin of the chip U16, and first ends of the capacitors C141, C139, and R32, second ends of the capacitors C141, C139, and R32 are grounded, a first end of the inductor L4 is connected to the SW pin of the chip U16, a second end of the inductor L4 is connected to the micro-control unit and the first end of the capacitor C142, second ends of the capacitors C140, R31, and C143 are connected to the OUT pin and the micro-control unit of the chip U16, first ends of the capacitors C140 and R31, and a second end of the resistor R27 is connected to the FB pin of the chip U16, and a first end of the capacitor C143 and a second end of the capacitor C142 are grounded. The specific model of the chip U16 is MP 1605.
Referring to fig. 1, in an embodiment, the partially labeled peripheral management device 20 further includes a CAN transceiver module 23 electrically connected to the micro control unit, and the CAN transceiver module 23 is connected to the control module 21, and is configured to communicate with a vehicle-mounted CAN bus through the CAN transceiver module 23 through a signal of a CAN controller in the MCU, so as to obtain vehicle instant information.
Referring to fig. 8, the CAN transceiver module 23 includes a chip U10, resistors R9, R12, R46 and R13, capacitors C86, C42, C66 and C73 and an interface CON10, a capacitor C86 having a first terminal connected to the VCC pin and the power input terminal of the chip U10 and a second terminal connected to ground, a first terminal of the resistor R46 having a CANH pin of the chip U10 and a second terminal connected to the first terminal of the capacitor C73 and the interface CON10, a resistor R10 having a first terminal connected to the CANL pin of the chip U10 and a second terminal connected to the interface CON10 and a second terminal connected to ground, a first terminal of the capacitor C10 having a VREF pin of the chip U10 and a second terminal connected to ground, a first terminal of the resistor R10 having a first terminal connected to the micro-control unit, and a second terminal connected to the TXD pin of the chip U10.
Specifically, the chip U10 is a TJA1050T chip.
According to the scheme, the accessed ministerial mark peripherals 30 are connected to the ministerial mark peripheral management device 20 in a unified mode, then the ministerial mark peripheral management device 20 is connected to the host 10 for communication, the ministerial mark peripheral management device 20 performs data transfer transmission, all the ministerial mark peripherals 30 are connected and managed in a unified mode, and whether interfaces (hardware interfaces or mechanism interfaces) which accord with the ministerial mark peripherals 30 are reserved on the host 10 or not is not considered; meanwhile, if a user replaces the control equipment and the control platform, only the host 10 needs to be replaced, and the new host 10 is connected with the ministerial mark peripheral management device 20 again, software and hardware do not need to be re-developed, and development resources and time are saved.
Referring to fig. 9, the present invention further provides a department logo peripheral management method, based on the department logo peripheral management device according to the above embodiment, including the following steps:
and S10, the control module receives the communication data from the host and transmits the communication data to the conversion module through the UART.
And S20, converting the communication data into recognizable transmission protocol data of the peripheral equipment of the department mark by the conversion module, and transmitting the recognizable transmission protocol data to the peripheral equipment of the department mark.
For step S10, the control module includes a micro control Unit, and in an implementation, the micro control Unit is an MCU (micro controller Unit), and specifically, the MCU is configured with all peripheral communication protocols and control logics conforming to the standard of the ministerial standard 905 and is integrated with a proprietary communication protocol for communicating with the host.
The department mark peripheral is connected to the department mark peripheral management device in a unified mode, the department mark peripheral management device is connected to the host for communication, the department mark peripheral management device transfers data and manages all department mark peripherals in a unified mode, various connecting interfaces such as an RS232 interface and an RS485 interface are arranged in the department mark peripheral management device in advance, all the department mark peripherals are connected to the department mark peripheral management device directly, whether the host is provided with a corresponding department mark peripheral interface (a hardware interface or a mechanism interface) or not is not required to be considered, and the adaptability of the host to the department mark peripherals is improved.
For step S20, the conversion module includes a conversion chip and an interface unit, the conversion chip is connected to the micro control unit and is configured to receive the UART level from the micro control unit and convert the UART level into an identifiable level, an input end of the interface unit is connected to the conversion chip, an output end of the interface unit is connected to the external device of the department mark, and the interface unit transmits the identifiable level to the external device of the department mark.
The scheme is characterized in that the accessed external devices of the ministerial mark are uniformly connected to the management device of the external devices of the ministerial mark, then the management device of the external devices of the ministerial mark is connected to the host computer for communication, the management device of the external devices of the ministerial mark transfers data and uniformly connects and manages all the external devices of the ministerial mark without considering whether the host computer is provided with an external interface (a hardware interface or a mechanism interface) which accords with the ministerial mark; meanwhile, if a user replaces the control equipment and the control platform, only the host needs to be replaced, and the new host is connected with the ministerial mark peripheral management device again, software and hardware do not need to be developed again, and development resources and time are saved.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes 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 way in the protection scope of the present invention.
Claims (9)
1. The system is characterized by comprising a control module and a conversion module, wherein the control module is connected with the conversion module, and the conversion module is used for connecting the peripheral equipment of the department mark;
the control module receives communication data from a host and transmits the communication data to the conversion module through a UART; the conversion module receives the communication data transmitted by the control module, converts the communication data into transmission protocol data which can be recognized by the peripheral equipment of the ministerial mark, and transmits the transmission protocol data to the peripheral equipment of the ministerial mark.
2. The device for managing the peripheral devices according to the ministerial mark of claim 1, wherein the control module comprises a micro-control unit and a filtering unit electrically connected to the micro-control unit, and the filtering unit is used for filtering and stabilizing the voltage supplied by the micro-control unit.
3. The ministerial peripheral management device of claim 2, wherein the filtering unit comprises a plurality of filtering capacitors, and the filtering capacitors are connected in parallel with each other.
4. The peripheral management device for the ministerial mark of claim 2, wherein the conversion module comprises a conversion chip and an interface unit electrically connected with the conversion chip, the conversion chip is connected with the micro-control unit and is used for receiving the UART level from the micro-control unit and converting the UART level into a recognizable level, and the interface unit is also electrically connected with the peripheral of the ministerial mark and transmits the recognizable level to the peripheral of the ministerial mark.
5. The device for managing the peripheral of the minister mark of claim 4, wherein the interface unit comprises an RS232 interface unit and an RS485 interface unit, the RS232 interface unit is used for transmitting the converted recognizable level to the peripheral of the minister mark, and the RS485 interface unit is used for transmitting the converted recognizable level to the peripheral of the minister mark.
6. The peripheral management device for area labels of claim 2, further comprising a voltage stabilizing module electrically connected to the micro-control unit, wherein the voltage stabilizing module comprises a chip U16, capacitors C139, C140, C141, C142 and C143, resistors R32, R31 and R27, and an inductor L4, a power input terminal is connected to VIN pin and EN pin of chip U16, and first terminals of capacitor C141, capacitor C139 and resistor R32, second terminals of capacitor C141, capacitor C139 and resistor R32 are grounded, a first terminal of inductor L4 is connected to SW pin of chip U16, a second terminal of inductor L4 is connected to the first terminals of the micro-control unit and capacitor C142, second terminals of capacitor C140, resistor R31 and capacitor C143 are connected to pin OUT of chip U16 and the micro-control unit, a first terminal of capacitor C140 and resistor R31, a second terminal of resistor R27 is connected to FB pin of chip U16, and a second terminal of capacitor C143 is connected to ground.
7. The peripheral management device according to the ministerial mark of claim 2, further comprising a CAN transceiver module electrically connected to the micro-control unit, wherein the CAN transceiver module is used for acquiring vehicle instant messages.
8. The device for managing the peripheral devices according to the ministerial mark of claim 7, wherein the CAN transceiver module comprises a chip U10, resistors R9, R12, R46 and R13, capacitors C86, C42, C66 and C73 and an interface CON10, a capacitor C86 for connecting a VCC pin and a power input terminal of the chip U10, a resistor R46 for connecting a CANH pin of the chip U10, a second terminal for connecting a first terminal of the capacitor C73 and an interface CON10, a resistor R13 for connecting a capin of the chip U10, a second terminal for connecting a first terminal of the capacitor C66 and an interface CON10, second terminals of the capacitors C66 and C73 for connecting to ground, a first terminal of the capacitor C42 for connecting a pin of the chip U10, a resistor R9 for connecting the first terminal to the micro-control unit, a second terminal for connecting a TXD pin of the chip U10, a first terminal of the resistor R12 for connecting the micro-control unit, and a second terminal for connecting a RXD pin of the chip 10.
9. The device of claim 8, wherein the chip U10 has a model number TJA 1050T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232132.1U CN210428129U (en) | 2019-08-01 | 2019-08-01 | Management device for external equipment of department mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232132.1U CN210428129U (en) | 2019-08-01 | 2019-08-01 | Management device for external equipment of department mark |
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| Publication Number | Publication Date |
|---|---|
| CN210428129U true CN210428129U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921232132.1U Expired - Fee Related CN210428129U (en) | 2019-08-01 | 2019-08-01 | Management device for external equipment of department mark |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347091A (en) * | 2019-08-01 | 2019-10-18 | 博康姆(深圳)云科技有限公司 | Mark peripheral equipment management device and its management method in portion |
-
2019
- 2019-08-01 CN CN201921232132.1U patent/CN210428129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347091A (en) * | 2019-08-01 | 2019-10-18 | 博康姆(深圳)云科技有限公司 | Mark peripheral equipment management device and its management method in portion |
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Granted publication date: 20200428 |