CN204515529U - For the wireless system for transmitting data of AGV charging station and AGV on-vehicle battery - Google Patents
For the wireless system for transmitting data of AGV charging station and AGV on-vehicle battery Download PDFInfo
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- CN204515529U CN204515529U CN201520235393.4U CN201520235393U CN204515529U CN 204515529 U CN204515529 U CN 204515529U CN 201520235393 U CN201520235393 U CN 201520235393U CN 204515529 U CN204515529 U CN 204515529U
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Abstract
The utility model relates to automatic guided vehicle (AGV) technology, provide a kind of wireless system for transmitting data for AGV charging station and AGV on-vehicle battery, comprise the transmitting terminal being arranged at AGV on-vehicle battery and the receiving end being arranged at AGV charging station, the external interface socket that transmitting terminal and receiving end include power circuit and be connected successively, data processing circuit, data collector and omnidirectional antenna, wherein, data processing circuit comprises the PCA82C250 type driving chip be connected with external interface socket, MAX490 type driving chip, MAX485 type driving chip, MAX3311 type driving chip and jumper wire device, the C8051F040 type microprocessor be connected with PCA82C250 type driving chip, the ATmega48PA type microprocessor be connected with jumper wire device, C8051F040 type microprocessor is all connected with ADF7020-1 type transceiver with ATmega48PA type microprocessor.Solve the wireless communication problems between AGV charging station and AGV on-vehicle battery, have applied widely, reliability is high, low in energy consumption, high reliability.
Description
Technical field
The utility model relates to automatic guided vehicle (AGV, Automatic Guided Vehicle) technology, be specifically related to the wireless system for transmitting data for AGV charging station and AGV on-vehicle battery, the radio communication between AGV charging station and AGV on-vehicle battery can be realized.
Background technology
In recent years, along with industrial automation and the fast development of computer integrated manufacturing system and the widespread use of flexible manufacturing system (FMS, Flexible Manufacturing System) and automatic stereowarehouse, the application of AGV is more and more extensive.As contact and adjustment discrete type logistics system, promote the necessary automated handling of operation serialization and handling means, the range of application of AGV expands rapidly, and the technical merit of AGV improves fast.Meanwhile, the raising of power lithium ion accumulator group and super capacitor manufacture level, declining to a great extent of production cost, makes the charge-discharge characteristic of power lithium ion accumulator group excellence especially be suitable as AGV on-vehicle battery.
But, can not overvoltage and under-voltage when the characteristic of lithium-ions battery and super capacitor determines routine use, especially lithium battery is forbidden during low temperature to charge below 0 DEG C, in case lithium deposition is analysed in electrolytic solution generation under low temperature, cause short circuit accident, and battery is in hot environment for a long time and overvoltage charged state can cause cell internal pressure to raise, volumetric expansion, the consequence such as casing deformation and electrolyte leakage, acceleration due to electrochemical reaction also can cause the Accelerating running of the acceleration of inside battery liquid-circulating and self discharge, battery decay is very fast, therefore each manufacturer develops battery management system (BMS targetedly, Battery Management System), utilize that BMS can be real-time by lithium-ions battery group or super capacitor module internal information reporting to host computer, omnibearing monitoring can be carried out thus to the health status of on-vehicle battery.
What current online AGV on-vehicle battery was taked is all big current automatic charging mode, that is, state and the charging modes of AGV charging station all preset, AGV vehicle completes with charging station automatic butt after arriving charging station, and now unattended charging station starts to carry out big current rapid charge to on-vehicle battery.Therefore, current AGV charging station, no matter adopt power frequency phase control type charging technique or high frequency switch power charging technique, all cannot set up data link with AGV on-vehicle battery, thus the status information of AGV on-vehicle battery is not grasped, such as: residual capacity, single battery core voltage, temperature etc., just the simple output voltage according to setting and current value carry out charging process control, so instantaneous large-current impact has a strong impact on battery life frequently, in addition when AGV applies in the presence of a harsh environment, charging blindly is not controlled even can cause the major accidents such as fire.
Utility model content
The utility model solves the technical matters that prior art cannot realize the radio communication between AGV charging station and AGV on-vehicle battery.Achieve the radio communication between AGV charging station and AGV on-vehicle battery, do not need secondary wiring at the scene, communication does not affect by on-the-spot road table barrier, and reliability is high, communication speed is high, compact, kind of interface are many, antijamming capability is strong.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of wireless system for transmitting data for AGV charging station and AGV on-vehicle battery, comprise the transmitting terminal being arranged at AGV on-vehicle battery and the receiving end being arranged at AGV charging station, wherein, external interface socket, data processing circuit, data collector and omnidirectional antenna that transmitting terminal and receiving end include power circuit and be connected successively, wherein, data collector is ADF7020-1 type transceiver; Data processing circuit comprises the PCA82C250 type driving chip, MAX490 type driving chip, MAX485 type driving chip, MAX3311 type driving chip and the jumper wire device that are connected with external interface socket, the C8051F040 type microprocessor be connected with PCA82C250 type driving chip, the ATmega48PA type microprocessor be connected with jumper wire device; C8051F040 type microprocessor is all connected with ADF7020-1 type transceiver with ATmega48PA type microprocessor; Power circuit is connected with PCA82C250 type driving chip, C8051F040 type microprocessor and ADF7020-1 type transceiver respectively.
Preferably, power circuit comprises input end, output terminal and the inductance connected successively between input end and output terminal and three terminal regulator.
The beneficial effects of the utility model are as follows:
1. rich interface, supports transistor-transistor logic (TTL, Transistor-Transistor Logic), RS232, RS485, controller area net (CAN, Controller Area Network) and RS422 agreement, applied widely.
2. ADF7020-1 type transceiver uses the Gaussian Frequency Shift Keying (GFSK of high anti-jamming capacity and low error rate, Gaussian Frequency Shift Keying) modulation system, adopt efficient forward error correction channel technology, improve the ability of the anti-bursty interference of data and random disturbance, is 10 at channel bit error rate
-3time, can obtain the actual bit error rate is 10
-5~ 10
-6, there is the advantage that reliability is high.
3. C8051F040 type microprocessor and ATmega48PA type microprocessor increase software control sleep mode, after receiving sleep signal, drop to minimum by whole system power consumption; Resume work after these two microprocessors receive the wake-up signal of external unit.
4., owing to adopting driving chip and the microprocessor of high-performance, high integration, peripheral circuit is few, so failure rate is low, reliability is high, and volume is little, lightweight.
5. the information such as the battery capacity that BMS can be reported send to AGV charging station, and AGV charging station can calculate the most rational charging current automatically, avoids frequently using big current to impact battery.
6. the information such as the battery list battery core voltage that BMS can be reported send to AGV charging station, and AGV charging station adjusts charging current automatically in real time, ensure the consistance of battery core electricity to greatest extent, reduce battery core failure rate, extending battery life.
7. AGV charging station can control charged state automatically according to battery actual work temperature.
8. if receive battery report and alarm information, failure message, then AGV charging station can adjust charged state immediately, the concurrent visual alarm of speaking of display alarm information, failure message.
As can be seen here, utilize wireless system for transmitting data of the present utility model, AGV charging station can obtain the information of AGV on-vehicle battery, timely adjustment charging current and duration of charging, avoid inside battery list battery core voltage unbalanced, ensure the serviceable life of battery, prevent the accident that leakage causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation as the device of transmitting terminal or receiving end in the utility model wireless system for transmitting data;
Fig. 2 is the circuit diagram of power circuit in Fig. 1.
Embodiment
Below in conjunction with Fig. 1 and Fig. 2, clear, complete description is carried out to the technical scheme in the utility model embodiment.
Wireless system for transmitting data for AGV charging station and AGV on-vehicle battery of the present utility model can comprise two devices as shown in Figure 1, one as transmitting terminal, another is as receiving end.External interface socket, data processing circuit, data collector and omnidirectional antenna that transmitting terminal and receiving end include power circuit and be connected successively, wherein, data collector is ADF7020-1 type transceiver; C8051F040 type microprocessor is all connected with ADF7020-1 type transceiver with ATmega48PA type microprocessor; Power circuit is connected with PCA82C250 type driving chip, C8051F040 type microprocessor and ADF7020-1 type transceiver respectively.
Transmitting terminal is connected with the BMS of AGV on-vehicle battery by external interface socket, for gathering supplemental characteristic (battery status information) and the wake-up signal of BMS, supplemental characteristic is processed by data processing circuit, and by transceiver and omnidirectional antenna, supplemental characteristic is sent to receiving end, wherein, supplemental characteristic comprises battery capacity, assembled battery total voltage, monomer battery voltage, battery temperature, charging current, electric battery overvoltage early warning information, electric battery overvoltage protection information, single battery core overvoltage early warning information, single battery core overvoltage protection information, electric battery High Temperature Pre alarming information, electric battery low temperature early warning information, electric battery high temperature protection information, and/or electric battery low-temperature protection information.
Receiving end utilizes transceiver and data processing circuit to carry out resolving and processing after receiving by omnidirectional antenna the supplemental characteristic that transmitter module sends, and then the supplemental characteristic of resolving and processed is sent to AGV charging station by external interface socket.
Concrete, transmitting terminal comprises at least one in CAN interface, RS422 interface, RS485 interface, RS232 interface and TTL interface and is connected to the interface of BMS, the driving chip corresponding with the interface being connected to BMS, data transmitter, first microprocessor and the second microprocessor, wherein
Driving chip is used for the battery status information of interface from BMS by being connected to BMS, and the battery status information received is transmitted to first microprocessor;
First microprocessor is used for carrying out classification process to battery status information, battery status information is encapsulated as packet, then sends to the second microprocessor;
The packet that second microprocessor is used for sending for the second microprocessor processes, length is greater than predetermined word joint number (such as, 20,30 or 50 etc.) packet splits, resolve into the packet that length is less than predetermined word joint number, and Packet Generation length being less than or equal to predetermined word joint number is to data transmitter;
Data transmitter is used for packet being modulated into wireless signal and sending to receiving end.
Accordingly, receiving end comprises at least one in CAN interface, RS422 interface, RS485 interface, RS232 interface and TTL interface and is connected to the interface of AGV charging station, the driving chip corresponding with the interface being connected to AGV charging station, data sink, 3rd microprocessor and the 4th microprocessor, wherein
Data sink is used for receiving wireless signal from transmitting terminal, and wireless signal is demodulated to battery status information, then the battery status information demodulated is sent to the 3rd microprocessor;
3rd microprocessor is used for that battery status information is packaged into Transistor-Transistor Logic level signal and sends to the 4th microprocessor;
4th microprocessor is used for the battery status information carried in Transistor-Transistor Logic level signal to be packaged into rs 232 serial interface signal and sends to AGV charging station by the interface being connected to AGV charging station with corresponding driving chip.
Here, data sink and data transmitter are ADF7020-1 type transceiver; First microprocessor and the 4th microprocessor are C8051F040 type microprocessor, and the second microprocessor and the 3rd microprocessor are ATmega48PA type microprocessor.Data sink and data transmitter are provided with omnidirectional antenna.The model of the driving chip corresponding with CAN interface, RS422 interface, RS485 interface, RS232 interface and TTL interface is respectively PCA82C250, MAX490, MAX485 and MAX3311.
Wherein, data processing circuit comprises the PCA82C250 type driving chip, MAX490 type driving chip, MAX485 type driving chip, MAX3311 type driving chip and the jumper wire device that are connected with external interface socket, the C8051F040 type first microprocessor be connected with PCA82C250 type driving chip and jumper wire device, ATmega48PA type second microprocessor be connected with jumper wire device; ATmega48PA type second microprocessor is connected with ADF7020-1 type transceiver; Power circuit can also be connected with PCA82C250 type driving chip, first microprocessor, transceiver and the second microprocessor respectively.
Wherein, external tapping socket is a kind of parts in order to multiple connector easy for installation and integrated.Power circuit comprises input end, output terminal and the inductance connected successively between input end and output terminal and three terminal regulator, and the voltage of input end and output terminal is respectively 24V and 5V, and the model of three terminal regulator is 78M05.
Above-mentioned wireless system for transmitting data is applicable to CAN, TTL and RS422, RS485, RS232 communication protocol, applied widely.
C8051F040 type microprocessor has the high advantage of performance, there are two standard universal synchronous/asynchronous serial received/transmitter (USART for TTL interface communication, Universal Synchronous Asynchronous Receiver Transmitter) interface and multiple I/O mouth, a USART interface can connect the CAN interface of BMS after driving chip PCA82C250, C8051F040 type microprocessor completes parsing after receiving the data from the CAN2.0 form of BMS automatically, then framing being gone out by TTL Serial Port Transmission again; The serial ports 0 of C8051F040 type microprocessor can be connected to driving chip MAX490, driving chip MAX485 and driving chip MAX3311 respectively by jumper wire device, to be connected BMS or charging station or control unit for vehicle etc. by RS422, RS485 with RS232 standard interface, the serial ports 1 of C8051F040 type microprocessor directly realizes TTL interface.Jumper wire device can be a switches set.
Microprocessor ATmega48PA is 8 bit processors of a kind of high-performance, low-power consumption, the serial ports of microprocessor ATmega48PA can receive the input information from external unit, then delivered to after transceiver ADF7020-1 modulates by Serial Peripheral Interface (SPI) (SPI, Serial Peripheral Interface) and deliver to omnidirectional antenna.When receiving data, the modulation signal that omnidirectional antenna receives enters transceiver ADF7020-1 demodulation, and the signal after demodulation delivers to the SPI of microprocessor ATmega48PA, and data are sent to external unit from serial ports by microprocessor ATmega48PA, as AGV charging station.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (2)
1. the wireless system for transmitting data for AGV charging station and AGV on-vehicle battery, comprise the transmitting terminal being arranged at AGV on-vehicle battery and the receiving end being arranged at AGV charging station, it is characterized in that: external interface socket, data processing circuit, data collector and omnidirectional antenna that transmitting terminal and receiving end include power circuit and be connected successively, wherein, data collector is ADF7020-1 type transceiver; Data processing circuit comprises the PCA82C250 type driving chip, MAX490 type driving chip, MAX485 type driving chip, MAX3311 type driving chip and the jumper wire device that are connected with external interface socket, the C8051F040 type microprocessor be connected with PCA82C250 type driving chip, the ATmega48PA type microprocessor be connected with jumper wire device; C8051F040 type microprocessor is all connected with ADF7020-1 type transceiver with ATmega48PA type microprocessor; Power circuit is connected with PCA82C250 type driving chip, C8051F040 type microprocessor and ADF7020-1 type transceiver respectively.
2. the wireless system for transmitting data for AGV charging station and AGV on-vehicle battery according to claim 1, is characterized in that: power circuit comprises input end, output terminal and the inductance connected successively between input end and output terminal and three terminal regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235393.4U CN204515529U (en) | 2015-04-20 | 2015-04-20 | For the wireless system for transmitting data of AGV charging station and AGV on-vehicle battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235393.4U CN204515529U (en) | 2015-04-20 | 2015-04-20 | For the wireless system for transmitting data of AGV charging station and AGV on-vehicle battery |
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| Publication Number | Publication Date |
|---|---|
| CN204515529U true CN204515529U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520235393.4U Expired - Fee Related CN204515529U (en) | 2015-04-20 | 2015-04-20 | For the wireless system for transmitting data of AGV charging station and AGV on-vehicle battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303933A (en) * | 2018-11-09 | 2019-10-08 | 林德（中国）叉车有限公司 | A kind of battery automatic recharging method of automatic guided vehicle |
-
2015
- 2015-04-20 CN CN201520235393.4U patent/CN204515529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303933A (en) * | 2018-11-09 | 2019-10-08 | 林德（中国）叉车有限公司 | A kind of battery automatic recharging method of automatic guided vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190420 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |