CN206726019U - Gating device HDLC encryption datas and motor data real time acquisition device - Google Patents

Abstract

The utility model discloses a kind of gating device HDLC encryption datas and motor data real time acquisition device, including：HDLC encryption datas monitor module, and gating device HDLC is connected with a manner of bus communication, for monitoring gating device HDLC ciphered data information in real time, and accordingly decrypt；Module is monitored in motor data collection, motor is connected with, for the data message in real-time monitoring driving motor operation course；Data transmission and processing module, for receiving the service data information in data message and the motor course of work after the decryption parallel, and the service data information is handled；Power module, the power source for each module normal work more than providing.Using the utility model, the status data after collection can not only effectively be handled, at the same it is safe.

Description

Gating device HDLC encryption datas and motor data real time acquisition device

Technical field

The utility model belongs to remote detection and the Intelligent Diagnosis Technology field of track traffic, and in particular to a kind of gating device HDLC encryption datas and motor data real time acquisition device.

Background technology

The development of urban rail transit in China experienced since being open to the traffic of eighties of last century sixties Beijing Metro Start the construction period, adjust reorganization phase, flourish these three stages in stage.Earlier 2000s are arrived at twentieth century end, on The maximum-norm subway line that China possesses now has been built up in sea, 236 kilometers of lines of operation overall length, covers 13 rows in Shanghai Administrative division domain.Line of Nanjing Subway is established in 2000, and formal operation in 2010, Line of Nanjing Subway is the current horizontal highest of China's production domesticization, The minimum metro project of cost, it is more ripe that this also indicates that China has had in the research and development field of track Vehicular system Technology.City railway vehicle door mechanism system plays extremely important role during light rail and railcar operation.Car door Controller system and motor all directly affect the safe operation situation of city railway vehicle.Therefore, rail vehicle door machine The critical role of system is that other any parts can not substitute.To the intelligence of rail vehicle door electromechanics machine system operational parameters Change detection, and the real-time monitoring to the operation of rail vehicle door mechanism system.

Design one kind in the case where not influenceing original door control system and motor normal operation, with door controller with And motor connection, it is formed path between vehicle doorn controller and motor, and do not influenceing door controller To on the premise of the control action of motor, utility model one kind with reach motor and gating device system are carried out it is real When monitor and the intelligent data acquisition monitoring device of performance evaluation is particularly important.

Before this, on December 23rd, 2014, as Nanjing Kangni Electromechanical Co., Ltd. of one of utility model people, Shen The please patent of one entitled " a kind of wireless data acquisition device and method of Car's door controlling device and motor ", date of publication For on May 20th, 2015, it simply utilized data acquisition module and monitoring terminal, and Car's door controlling device and motor are carried out Vehicle doorn status signal and motor real time status information are acquired, but not to above status information subsequently such as where Reason discloses.Meanwhile the status information for gathering gating device is not encrypted, and potential safety hazard be present.

Therefore, monitoring and the encryption of remote transmission rail traffic vehicles door controller can not be typically gathered simultaneously in order to overcome The shortcomings that device of data and motor data, the existing real-time level monitoring of digitlization is lifted, thus this case produces.

Utility model content

In order to solve the above problems, the purpose of this utility model is：A kind of gating device HDLC encryption datas and drive are provided Dynamic motor data real-time acquisition device, can not only effectively be handled the status data after collection, while safe.

To achieve the above object, the utility model is achieved by following technical scheme：

Gating device HDLC encryption datas described in the utility model and motor data real time acquisition device, including：

HDLC encryption datas monitor module, and gating device HDLC is connected with a manner of bus communication, for monitoring gate in real time Device HDLC ciphered data information, and accordingly decrypt；

Module is monitored in motor data collection, motor is connected with, in real-time monitoring driving motor operation course Data message；

Data transmission and processing module, for receiving parallel in data message and the motor course of work after the decryption Service data information, and the service data information is handled；

Power module, the power source for each module normal work more than providing.

Further, the HDLC encryption datas are monitored module and monitored including being sequentially connected with from control chip unit, HDLC Circuit unit, 485 interface transmission circuit units being connected with gating device HDLC 485 buses；

It is described to send monitoring instruction from control chip, transmitted to 485 interface and received by the HDLC monitoring circuits unit Power Generation Road unit, the 485 interface transmission circuit unit gather adding for each gating device HDLC from gating device HDLC 485 buses Ciphertext data, after the encryption data is received by HDLC monitoring circuits unit, transmit to described and be decrypted from control chip, decrypted Door state information afterwards is sent to the data transmission and processing resume module.

Further, the collection of described motor data is monitored module and included：

Hall monitors reading unit, for gathering hall signal of the motor in rotation process, and is pulled up, filtered After ripple and deconsolidation process, transmit to the data transmission and processing module；

Current of electric measuring unit；For gathering direct current or ac current signal of the motor in rotation process, and Corresponding voltage signal is converted to, is transmitted to the data transmission and processing module.

Further, the Hall, which monitors reading unit, includes three tunnel light-coupled isolation monitoring circuits, respectively to motor Three road hall signals pulled up, filtered and deconsolidation process respectively.

Further, the current of electric measuring unit is adopted including what double route sampling resistor and current sample chip formed Sample circuit, direct current or AC signal for motor to be exported are converted to the voltage signal of preset ratio.

Further, the data transmission and processing module include main control chip processing unit, respectively with the main control chip The data transmission unit and memory cell of processing unit connection；

The data transmission unit be used to receiving the door state information after the decryption, voltage signal and by pull-up, Hall signal after filtering, deconsolidation process, and transmit to the main control chip；The main control chip is carried out to the voltage signal Internal calculating, the torque data of motor is drawn, to the calculating inside the hall signal progress after processing, draw driving electricity The corner and rotary speed data of machine；Torque, corner and the rotary speed data of door state data, motor after the decryption are transmitted to institute Memory cell is stated to be stored.

Further, the main control chip processing unit is also associated with being used to prevent main control chip crashes from causing data can not The watchdog circuit unit of transmission.

Further, the data transmission unit is also associated with the host computer unit for real-time display.

Further, the power module includes：

High-low pressure converting unit, the conversion for high pressure to low pressure；

Plate step voltage unit, its input are connected with the high-low pressure converting unit, the low pressure after conversion are converted to respectively The input voltage of module normal work.

Further, the memory cell is connected with chip external memory.

Compared with prior art, the beneficial effects of the utility model are：

Gating device HDLC encryption datas described in the utility model and motor data real time acquisition device, pass through HDLC Encryption data monitors module and all gating device HDLC is gathered in real time, and the motor data collection monitors module to driving electricity Machine is gathered in real time, after above parallel acquisition and respective handling, is transmitted to data transmission and processing module and is further processed, So as to obtain useful status information, there is real-time and validity, and the status information all passes through encryption, has Higher security.

Brief description of the drawings

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：

Fig. 1 is the knot of gating device HDLC encryption datas described in the utility model and motor data real time acquisition device Structure schematic diagram；

Fig. 2 is in gating device HDLC encryption datas described in the utility model and motor data real time acquisition device HDLC encryption datas monitor structural representation corresponding to module；

Fig. 3 is electric in gating device HDLC encryption datas described in the utility model and motor data real time acquisition device The structural representation of module is monitored in machine data acquisition；

Fig. 4 is in gating device HDLC encryption datas described in the utility model and motor data real time acquisition device HDLC encryption datas monitor the HDLC chip internal structure schematic diagrames of module；

Fig. 5 is in gating device HDLC encryption datas described in the utility model and motor data real time acquisition device DLC encryption datas monitor the hardware circuit principle figure of module.

In figure：

1：HDLC encryption datas monitor module

11：From control chip unit 12：HDLC monitoring circuits unit 13：485 interface transmission circuit units

2：Module is monitored in motor data collection

21：Hall monitors reading unit 211：Light-coupled isolation monitoring circuit

22：Current of electric measuring unit 221：Acquisition Circuit 2211：Sampling resistor 2212：Current acquisition chip

3：Data transmission and processing module

31：Main control chip processing unit 32：Data transmission unit 33：Memory cell

34：Watchdog circuit unit 35：Host computer unit

4：Power module

41：High-low pressure converting unit 42：Plate step voltage unit

Embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.

As shown in figure 1, gating device HDLC encryption datas described in the utility model and motor real time data acquisition dress Put, including HDLC encryption datas monitor module 1, module 2, data transmission and processing module 3 and power supply mould are monitored in motor data collection Block 4.

Wherein, as shown in Fig. 2 the HDLC encryption datas monitor module 1 is connected with gating device in a manner of bus communication HDLC, for monitoring gating device HDLC ciphered data information in real time, and accordingly decrypt.Specifically, it includes what is be sequentially connected with It is (hand-in-hand from control chip unit 11, HDLC monitoring circuits unit 12,485 interfaces that are connected with gating device HDLC 485 buses Mode) transmission circuit unit 13.Wherein, 485 interface transmission circuit units are not influenceing the condition of original circuit and signal transmission Under, directly it is connected with door controller.

It is described to send monitoring instruction from control chip 11, transmitted to described 485 and connect by the HDLC monitoring circuits unit 12 Mouth transmission circuit unit 13, the 485 interface transmission circuit unit 13 gathers each gating device from gating device HDLC 485 buses HDLC encryption data, after the encryption data is received by HDLC monitoring circuits unit 12, transmit to described from control chip 11 It is decrypted, the door state information after decryption is sent to the data transmission and processing resume module 2 by plate level serial ports.

Shown from Fig. 2, it is described from control chip unit 11 using the chip of STM32 models, it passes through address wire, number Interconnected according to line and control signal wire with HDLC monitoring circuits unit 12；The HDLC monitoring circuits unit 12 passes through TX, RX Interconnected with EN ends and 485 interface transmission circuit units 13.

It is described that electricity is monitored to the twin-channel HDLC of completely self-contained full duplex by control signal wire from control chip unit 11 Road unit 12 (chip model of use is SAF82525), which is sent, reads encryption data order, and HDLC monitoring circuits unit 12 receives reading The ISO3088 chips of 485 interface transmission circuits 13 are enabled after order, the encryption data in gating device RS485 buses is gone here and there by DB9 Mouth interface is connected with ISO3088 chips, by the switch of the current door device got in each door controller of an array carriage State, gated data, fault message and switch lock ciphered data information in place are such as switched, by 485 interface transmission circuits 13, Into HDLC monitoring circuits unit 12 by after data deciphering, sent data to from control chip unit 11, reached by data wire To HDLC processing encryption data collection monitor functions.

Further, the HDLC protocol used in the HDLC monitoring circuits unit 12, independent of any character Coded set；Data message can transparent transmission, " 0 bit insertion " for realizing transparent transmission be easy to hardware realization；Full duplex Communication, it is not necessary to wait it is to be confirmed can continuously transmit data, have higher data link transmission efficiency；All frames use CRC schools Test, serial number carried out to information frame, can anti-leak-stopping receive or divide again, transmission reliability is high；Transmit control function and processing function Separation, has larger flexibility.

Meanwhile the HDLC encryption chips used in the HDLC monitoring circuits unit 12 have the advantage that：Support two is complete Complete independent full duplex HDLC channels, meet X.25 second layer standard data format, the generation and detection of forward sequence, single byte Address Recognition, there is microprocessor port, flexible operating and control register, send and receive the FIFO bufferings of 64 bytes Area, multichannel data link handshake signal, high speed serial clock export (8Mbps), meet ST-BUS programmable channel selecting And sequence control, flexible protocol integrated test system function, low-power consumption ISO-CMOS technologies.HDLC protocol controller is in the utility model The used course of work is：During data are sent, automatically generate in HDLC flag of frame and FCS fields and frame exception Only, channel idle and other reception states, thus the data being ready for sending are automatically constituted HDLC frames by SAF82525.Receiving End, the HDLC scrambled data frames on the communication bus of gating device end 485 are carried out FCS verifications, and recover initial data, transmitted Treatment Analysis is carried out to from control chip.

As shown in figure 4, in the HDLC encryption chip models SAF82525 used in the HDLC monitoring circuits unit 12 Portion's structure chart.SAF82525 has two ports, and one is that serial port is used for sending and receiving packet, and another is parallel port, Allow the transmitting data in parallel between SCM system bus and protocol processor.This interface include data/address bus (D0-D7), Address bus (A0-A6), clock, piece choosing (CS) and Read-write Catrol etc., STM32 can be with read-write protocol processor from control microprocessor Each register.In addition, two channel C hannel A, Channel B of SAF82525 chips support clock module to have simultaneously Internal clocking crystal oscillator (OSC) pattern, independent Baud rate generator (BRG) and digit pulse phaselocked loop (DPLL) pattern.Receive Can be by setting register to produce with tranmitting data register：Internal clocking can be produced by OSC, BRG and DPLL, by channel Configuration register 1 (CCR1), which is set, produces 8 kinds of different clock modules.

As shown in figure 5, in the utility model, after whole device power-up initializing, pass through warm reset from control chip unit 11 Mode operates the reseting pin RESET of SAF82525 chips, i.e., the RST bytes in control register, resets whole chip, then Clock mode word bit in clock register is set, external clock working method is used in the utility model, passes through AxCLK/ The mode that RxCLK is obtained produces independent clock and improves system job stability, sets sending and receiving in control register to enable word afterwards Position (RD/WR), excites reception, sending module, by controlling address bit (A0-A6) and data bit (D0-D7) to complete the friendship of data Mutually, the interrupt mode used that selection needs afterwards, and its corresponding word bit in interrupt control register is provided with Effect, SAF82525 chips trigger the interrupt mechanism from controller by the way of external gate circuit in the utility model, utilize Internal fifo register etc. completes the transmission of vehicle gated data.

As shown in figure 3, module 2 is monitored in the motor data collection, motor is connected with, for real-time monitoring driving electricity Data message in machine operation process；Specifically, it includes Hall monitoring reading unit 21 and current of electric measuring unit 22.Institute State Hall and monitor reading unit 2 for gathering hall signal of the motor in rotation process, and pulled up, filtered and torn open After the reason of office, transmit to the data transmission and processing module 3；The current of electric measuring unit 22；For gathering motor Direct current or ac current signal in rotation process, and corresponding voltage signal is converted to, transmit to the data transfer Manage module 3.

Further, the Hall, which monitors reading unit 21, includes three tunnel light-coupled isolation monitoring circuits 211, the light-coupled isolation Monitoring circuit 211 pulled up respectively to three road hall signals of motor, is filtered and deconsolidation process；The current of electric is surveyed Amount unit 22 includes two-way sample circuit 221, meanwhile, sample circuit 221 includes sampling resistor 2211 and electric current again described in per road Sampling A/D chip 2212 forms, and the direct current or AC signal for motor to be exported are converted to the voltage signal of preset ratio.

Specifically, three tunnel light-coupled isolation monitoring circuits 211 are connected with hall signal line POS1, POS2, POS3 of motor, Due to motor each rotation, the signal noise of its Hall sensor output is larger, and main control chip processing unit 31 can not be straight Connect and handle these signals, therefore, pull-up and filtering process have been done to its output signal, after addition resistance plays partial pressure effect, has been made For the input signal of subsequent conditioning circuit, light-coupled isolation monitoring circuit 211 (chip model PCF817) is used to carry out signal fractionation, Measurement hall signal is monitored by light-coupled isolation monitoring circuit 211, and plays a part of strengthening signal driving force, is ensured respective Loop in waveform integrality, meet the requirement of respective signal acquisition.Collection Hou tri- road hall signal A, B, C are exported to number According to transmission unit 32, then transmit to the I/O mouths of the main control chip processing unit 31, inside main control chip processing unit 31 Calculating, the corner and rotary speed data of motor can be accurately obtained.Described current of electric measuring unit 22 and motor Three-phase alternating current line sequence PHA, PHB, PHC are connected, and under the control of main control chip processing unit 31, utilize two-way current acquisition The circuit acquisition mode of chip 2212 and sampling resistor 2211, current signal A, B (direct current detected that motor is exported Signal or AC signal) be converted to corresponding voltage signal, and the voltage exported and detected current signal are into certain Ratio be converted to voltage, then input in the piece of main control chip processing unit 31 analog-digital converter carry out analog-to-digital conversion, thus, After the collection current signal of real-time high-precision, by the calculating inside main control chip, turning for motor can be accurately obtained Square data.

The data transmission and processing module 3, for receiving the data message after the decryption and motor work parallel During service data information, and the service data information is handled.Specifically, it is single to include main control chip processing for it Member 31, the data transmission unit 32 being connected respectively with the main control chip processing unit 31 and memory cell 33；The data pass Defeated unit 32 is for the door state information after receiving the decryption, voltage signal and by pulling up, filter, after deconsolidation process Hall signal, and transmit to the main control chip 31；The main control chip 31 obtains to the calculating inside voltage signal progress Go out the torque data of motor, to the calculating inside the hall signal progress after processing, draw the corner of motor with turning Fast data；Torque, corner and the rotary speed data of door state data, motor after the decryption are all transmitted to the memory cell 33 Stored.

Further, the main control chip processing unit 31 is also associated with watchdog circuit unit 34, for preventing master control Chip processing unit 31 crashes the problem of causing data not transmit, as auxiliary main control chip processing unit 31 work from control Coremaking piece realizes hardware watchdog function, can greatly save plate level space, avoids the unstability using peripheral analog device, is Really device reliability service provide guarantee, main control chip processing unit 31 node crash when, can self reset and again Open.Described memory cell 33 is connected with main control chip processing unit 31, carries out bi-directional data storage and reads communication, is realizing While the caching of high-speed data and processing, it will gather after the data that listen to are handled, using 3G/4G networks by gated data Status information is transmitted to background server.The memory cell 33 is also associated with the outer Large Copacity height memory of piece, and height can be achieved The caching of fast data and processing.

Further, the data transmission unit 32 is also associated with the host computer unit 35 for real-time display.

The power module 4, the power source for each module normal work more than providing.It is single that it includes high-low pressure conversion Member 41 and plate step voltage unit 42.The high-low pressure converting unit 41 is used for conversion of the high pressure to low pressure；The plate step voltage list Member 42, its input is connected with the high-low pressure converting unit 41, and the low pressure after conversion is converted into each module normal work Input is reliable, stably, the minimum voltage of noise.

Specifically, high pressure DC110V is converted to low-voltage needed for the plate level of noise very little by the high-low pressure conversion unit 41 DC5V is converted to DC3.3V by DC5V, the plate step voltage unit 42, and stable voltage, caused DC5V are provided for remaining module And DC3.3V is to meet the power reguirements of disparate modules unit.

Compared with general individually collection door controller data and the individually device of collection motor data, not only solve The problem of 485 bus encryption data-signal of collection, and have devised and can gather motor hall signal and electricity simultaneously The parallel acquisition circuit of signal is flowed, considerably increases the using flexible of the equipment, the device turns to motor in theory The parameters such as angle, torque and rotating speed are up to very high measurement accuracy, and real-time is very high, and have the adjustable work(of measurement range Energy.

Gating device HDLC encryption datas described in the utility model and motor data real time acquisition device, it is simple to operate Convenient, Highgrade integration, small volume easily assembles carrying, and power consumption substantially reduces compared to same device, sensitivity is adjustable and Precision and function are greatly improved, and are assembled and are debugged by being put to repacking, and after high/low temperature test, reliability service is severe Working environment under, can be achieved the device commercialization.

Above is to gating device HDLC encryption datas described in the utility model and motor data real time acquisition device The detailed description done of concrete structure, it is operated below do it is as described below：

Step 1. is by double DB9 serial port interfaces of the device 485 bus ports with the door controller above vehicle doorn respectively Be connected, be connected by the AMP interfaces of the equipment with the output end of motor, will the equipment be serially connected in door controller with Between motor；

After step 2. train normal power-up first, often fanning the door controller of door will control motor normally to be switched Door action, in this reciprocal action, the equipment modules start normal work, and HDLC encryption datas are monitored module and passed through 485 transmission circuits and HDLC chip circuits real time decrypting read the status information for monitoring the door controller, and the equipment passes through Hall Monitor the hall signal and current of electric of reading circuit and the real-time acquisition process motor of current of electric measuring circuit Data, by the data of acquisition by master control process chip can be calculated the real-time rotating speed of the fan door motor, corner and Rotary speed data, realize real-time high-precision data acquisition function；

Step 3. will gather the door controller data and motor of acquisition simultaneously in the equipment normal course of operation Data transfer while carrying out both-way communication with Flash storage circuits outside piece, is led to master control process chip after calculation process Wireless transport module circuit is crossed by rotating speed, corner, torque, current of electric and door state information transfer to background server, Real-time display waveform on host computer.In plant maintenance escalation process, can use wireless transmission circuit WIFI, 3G and 470MHz is debugged and safeguarded to equipment.

Other knots of gating device HDLC encryption datas described in the utility model and motor data real time acquisition device Structure will not be repeated here referring to prior art.

It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to more than Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.

Claims (10)

1. a kind of gating device HDLC encryption datas and motor data real time acquisition device, it is characterised in that including：

HDLC encryption datas monitor module, and gating device HDLC is connected with a manner of bus communication, for monitoring gating device in real time HDLC ciphered data information, and accordingly decrypt；

Module is monitored in motor data collection, motor is connected with, for the data in real-time monitoring driving motor operation course Information；

Data transmission and processing module, for receiving the fortune in data message and the motor course of work after the decryption parallel Turn data message, and the service data information is handled；

Power module, the power source for each module normal work more than providing.

2. gating device HDLC encryption datas according to claim 1 and motor data real time acquisition device, its feature It is：

The HDLC encryption datas monitor module including being sequentially connected with from control chip unit, HDLC monitoring circuits unit and door Control 485 interface transmission circuit units of device HDLC 485 buses connection；

It is described to send monitoring instruction from control chip, transmitted by the HDLC monitoring circuits unit to 485 interface and receive and dispatch electricity Road unit, the 485 interface transmission circuit unit gather each gating device HDLC encryption number from gating device HDLC 485 buses After being received according to, the encryption data by HDLC monitoring circuits unit, transmit to described and be decrypted from control chip, after decryption Door state information is sent to the data transmission and processing resume module.

3. gating device HDLC encryption datas according to claim 2 and motor data real time acquisition device, its feature It is：

Module is monitored in described motor data collection to be included：

Hall monitor reading unit, for gathering hall signal of the motor in rotation process, and pulled up, filter and After deconsolidation process, transmit to the data transmission and processing module；

Current of electric measuring unit；For gathering direct current or ac current signal of the motor in rotation process, and change For corresponding voltage signal, transmit to the data transmission and processing module.

4. gating device HDLC encryption datas according to claim 3 and motor data real time acquisition device, its feature It is：

The Hall, which monitors reading unit, includes three tunnel light-coupled isolation monitoring circuits, respectively to three road hall signals of motor Pulled up, filtered and deconsolidation process respectively.

5. gating device HDLC encryption datas and motor data real time acquisition device according to claim 3 or 4, it is special Sign is：

The current of electric measuring unit includes the sample circuit that double route sampling resistor and current sample chip form, for inciting somebody to action The direct current or AC signal of motor output are converted to the voltage signal of preset ratio.

6. gating device HDLC encryption datas according to claim 5 and motor data real time acquisition device, its feature It is：

The data transmission and processing module includes main control chip processing unit, is respectively connected with the main control chip processing unit Data transmission unit and memory cell；

The data transmission unit be used to receiving the door state information after the decryption, voltage signal and by pull-up, filtering, Hall signal after deconsolidation process, and transmit to the main control chip；The main control chip carries out internal to the voltage signal Calculating, draw the torque data of motor, the hall signal after processing is carried out inside calculating, draw motor Corner and rotary speed data；Torque, corner and the rotary speed data of door state data, motor after the decryption, which are transmitted to described, to be deposited Storage unit is stored.

7. gating device HDLC encryption datas according to claim 6 and motor data real time acquisition device, its feature It is：

The main control chip processing unit is also associated with the house dog for causing data not transmit for preventing main control chip from crashing Circuit unit.

8. gating device HDLC encryption datas and motor data real time acquisition device according to claim 6 or 7, it is special Sign is：

The data transmission unit is also associated with the host computer unit for real-time display.

9. gating device HDLC encryption datas according to claim 1 and motor data real time acquisition device, its feature It is：

The power module includes：

High-low pressure converting unit, the conversion for high pressure to low pressure；

Plate step voltage unit, its input are connected with the high-low pressure converting unit, and the low pressure after conversion is converted into each module The input voltage of normal work.

10. gating device HDLC encryption datas according to claim 6 and motor data real time acquisition device, its feature It is：

The memory cell is connected with chip external memory.