CN207337154U - A kind of grid-connected inverters pilot controller peculiar to vessel based on ARM - Google Patents

Abstract

A kind of grid-connected inverters pilot controller peculiar to vessel based on ARM, including double-redundancy CAN network, 4 20 milliamperes of output modules, CSM100 chips, switching input module, switching value output module and control panel；Double-redundancy CAN network includes 1 network of double-redundancy CAN and CAN2 networks, and double-redundancy CAN network is connected by CAN interface with arm processor；On the one hand 4 20 milliamperes of output modules are connected with inverter analog input signal, be on the other hand bi-directionally connected by PWM interfaces with arm processor；CSM100 chips are bi-directionally connected by UART interface and arm processor；Two input terminals of switching input module are connected with control panel and inverter respectively, it is also bi-directionally connected by GPIO interface and arm processor；The output terminal of switching value output module is connected with control panel and inverter, and switching value output module is also bi-directionally connected by IIC interfaces with arm processor；The utility model reliability is high；Precision is high, stability is good；It is strong antijamming capability, compact-sized, it is easy to Function Extension.

Description

A kind of grid-connected inverters pilot controller peculiar to vessel based on ARM

Technical field

Grid-connected inverters pilot controller peculiar to vessel is the utility model is related to, it is specifically a kind of peculiar to vessel inverse based on ARM Become the grid-connected pilot controller of device.

Background technology

Marine integrated electric system refer to by electric power networks by power generation, daily electricity consumption, promote power supply, high energy arm discharge Power supply, the comprehensive electric system being integrated of high-power detection power supply.2nd, electrical equipment is more, and electromagnetic environment is complicated.Combined power System is made of seven modules such as power generation, distribution, power transformation, propulsion, energy storage, daily load/high energy weapon, monitoring/management.These Equipment is under more complicated electromagnetic environment, and higher requirement is proposed to controlling, detecting and protect.3rd, different operational mode Under, the power energy allocation and generator of electric system, frequency converter, the operating condition of propulsion electric machine are different, to control, detection Certain difficulty is brought with protection.4th, equipment difference is big, and protocol interface is inconsistent.Each equipment level of integrated power system is not Together, the technical solution of use is inconsistent, causes the mode of information transmission between equipment inconsistent, some equipment is using traditional RS232 communicates, and some is communicated using RS485, and for some using CAN communication etc., these communication modes are all based on the biography of electric signal Pass and control, this centralized Control given between equipment under complex electromagnetic environment and monitoring bring larger inconvenience and risk.

In view of the above problems, the present invention provides a kind of grid-connected inverters pilot controller peculiar to vessel based on ARM and control Method.Receive the various instructions in Energy Management System middle level by double-redundancy CAN network based on the controller of ARM, and by inversion The middle layer network that the various status informations of device pass back to Energy Management System supplies user's decision-making.At the same time the controller by simulation and Digital interface carries out coordination control to inverter, there is provided the reference voltage signal of inverter, subordinate inverter and inverter, inversion Device and auxiliary hair, the in parallel and off-the-line of inverter and bank electricity.2nd, to realize above-mentioned technical purpose and the technique effect, this hair It is bright to be achieved through the following technical solutions.3rd, 1 network of double-redundancy CAN is characterized in that dual redundant network is physically separate, Two-way communication works at the same time, any to break down all the way, automatically switches to and is in addition communicated all the way.4th, lead to bottom inverter The CAN2 networks of news, which is characterized in that, employs special custom protocol, ensure that the reliability with inverter communication.5、4- 20 milliamperes of outputs, it is characterised in that employ PWM pulsewidth modulations and add second-order low-pass filter to ensure that simulation is defeated as control voltage Go out the high accuracy and stability of signal.6th, input module, it is characterised in that employ optical coupling isolation circuit and with the anti-phase of stagnant ring Circuit, ensure that the antijamming capability of input module.7th, output module, it is characterised in that employ High-power amplifier circuit and flat Military relay is put down, ensure that the reliability of output passive contact.

Utility model content

The main purpose of the utility model is to solve in the prior art to lack under complex electromagnetic environment between equipment Centralized Control and the grid-connected inverters pilot controller problem peculiar to vessel of monitoring.

The technical solution adopted in the utility model is：A kind of grid-connected inverters pilot controller peculiar to vessel based on ARM, including Double-redundancy CAN network, 4-20 milliampere output module, CSM100 chips, switching input module, switching value output module and control Panel；The double-redundancy CAN network includes 1 network of double-redundancy CAN and and bottom communicated with layer network in voltage distribution The CAN2 networks of inverter communication, double-redundancy CAN network are connected by CAN interface with arm processor；Described 4-20 milliamperes defeated Go out module to be on the one hand connected with inverter analog input signal, be on the other hand bi-directionally connected by PWM interfaces with arm processor； The CSM100 chips are bi-directionally connected by UART interface and arm processor；Two input terminals of the switching input module It is connected respectively with control panel and inverter, switching input module is also bi-directionally connected by GPIO interface and arm processor；Institute The output terminal for stating switching value output module is connected with control panel and inverter, switching value output module also by IIC interfaces with Arm processor is bi-directionally connected.

Further, 1 network of double-redundancy CAN and the CAN2 networks communicated with bottom inverter are physically mutually only Vertical, two-way communication works at the same time, any to break down all the way, automatically switches to and is in addition communicated all the way.

Further, the CAN2 networks with the communication of bottom inverter use custom protocol, and guarantee is led to inverter The reliability of news.

Further, 4-20 milliamperes output module, adds second-order low-pass filter as control using PWM pulsewidth modulations Voltage.

Further, the switching input module uses optical coupling isolation circuit and the negative circuit with stagnant ring.

Further, the switching value output module is using High-power amplifier circuit and flat military after `

The invention discloses a kind of grid-connected inverters pilot controller peculiar to vessel and control method based on ARM, is controlled based on ARM The supplementary module of device processed carries out power distribution control to more the in parallel of inverter, while the operation conditions of inverter is supervised Control and management, compact overall structure, is easy to Function Extension.

The beneficial effects of the utility model and feature are：(1) 1 network of double-redundancy CAN is characterized in that dual redundant network exists Physically independent, two-way communication works at the same time, any to break down all the way, automatically switches to and is in addition communicated all the way, Reliability is high；(2) employing PWM pulsewidth modulations adds second-order low-pass filter to ensure that analog output signal as control voltage High accuracy and stability；(3) input module, it is characterised in that employ optical coupling isolation circuit and the negative circuit with stagnant ring, protect The antijamming capability of input module is demonstrate,proved；(4) output module employs High-power amplifier circuit and flat military relay, ensures The reliability of output passive contact.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the utility model preferred embodiment；

Fig. 2 is the operation principle schematic diagram of the utility model switching input module DI；

Fig. 3 is the operation principle schematic diagram of the utility model switching value output module DO；

Fig. 4 is the operation principle schematic diagram of the utility model analog output AO；

Fig. 5 is the operation principle schematic diagram of the utility model double-redundancy CAN network；

Fig. 6 is the operation principle schematic diagram that the utility model serial ports turns CAN；

Figure label represents respectively：1- double-redundancy CANs network, 2-4-20 milliamperes of output modules, 3-CSM100 chips, 4- are opened Pass amount input module, 5- switching value output modules, 6- control panels, 7- inverters, 8-ARM processors.

Embodiment

The utility model is further described below in conjunction with the accompanying drawings：

As shown in Figure 1, a kind of grid-connected inverters pilot controller peculiar to vessel based on ARM, including double-redundancy CAN network 1,4- 20 milliamperes of output modules 2, CSM100100 chips 3, switching input module 4, switching value output module 5 and control panel 6；Institute State double-redundancy CAN network 1 include 1 network of double-redundancy CAN that is communicated with layer network in voltage distribution and with bottom inverter The CAN2 networks of communication, 1 network of double-redundancy CAN and with bottom inverter communication CAN2 networks it is physically separate, two Road communication works at the same time, any to break down all the way, automatically switches to and is in addition communicated all the way；With the communication of bottom inverter CAN2 networks use custom protocol, ensure to pass through CAN interface and ARM with the reliability double-redundancy CAN network 1 of inverter communication Processor 8 is connected.

2 one side of 4-20 milliamperes of output module is connected with inverter analog input signal, is on the other hand connect by PWM Mouth is bi-directionally connected with arm processor 8, and 4-20 milliamperes output module 2, adds second-order low-pass filter using PWM pulsewidth modulations As control voltage, the high accuracy and stability of analog output signal ensure that.

The CSM100100 chips 3 are bi-directionally connected by UART interface and arm processor 8；The switching input module 4 two input terminals are connected with control panel and inverter respectively, and switching input module 4 is also by GPIO interface and ARM Reason device 8 is bi-directionally connected, and switching input module 4 uses optical coupling isolation circuit and the negative circuit with stagnant ring, ensure that input mould The antijamming capability of block.

The output terminal of the switching value output module 5 is connected with control panel 6 and inverter 7, and switching value output module 5 is also Be bi-directionally connected by IIC interfaces and arm processor 8, switching value output module 5 using High-power amplifier circuit and it is flat it is military after Electric appliance, ensure that the reliability of output passive contact.

Here is the detailed description to correlation module：

1st, switching input module DI

Explanation：Such as Fig. 2, button signal of the switching input module primary recipient from control panel, and from inversion The status signal of device, including integrated alarm, operating status, all input signals such as to get ready be passive contact characteristic, input letter Number first pass around Anti-surging module SMBJ24A, prevent excessive pressure damages caused by plug of applying for card, then by optocoupler TLP2804 every From processing, finally by the phase inverter processing with stagnant ring, and the GPIO pin of CPU is sent to.

2nd, switching value output module DO

Explanation：Such as Fig. 3, indicated since grid-connected supplementary module exports substantial amounts of passive contact signal to inverter and panel Lamp, it is contemplated that the GPIO pin of CPU is limited, so employing I2C modules carries out I/O expansion, the I2C modules of CPU first pass around 9554 conversion chips, parallel signal is converted to by serial signal, is then handled by TLP2804 light-coupled isolations, at light-coupled isolation Power amplifier chip ULN2803 is output to after reason, finally drives relay, signal is exported by the passive contact of relay.

3rd, analog output AO

Explanation：Such as Fig. 4, analog output system employs PWM mode, make use of DC PWM output duty cycle and its The directly proportional characteristic of filtered signal.The 3.3V level signals of the pwm signal of CPU outputs, by LVC4245 level conversion cores 5 vor signals are converted to after piece, 5 volts of pulse-width signal includes a large amount of high frequency carriers, it is therefore desirable to by a step low-pass Filter circuit, exports its DC component, is finally used as the control voltage of DH420 using the DC component, exports 4-20 milliamperes Analog current signal.

4th, double-redundancy CAN explanation：

Explanation：Such as Fig. 5, double-redundancy CAN has used two CAN modules of CPU itself, and CAN module signal first passes around height Fast optocoupler 6N137 isolation, then by driving chip 82C250 output difference signals.

5th, serial ports turns CAN explanations：

Explanation：Such as Fig. 6, present apparatus requirement has 3 CAN networks, and CPU itself only has 2 CAN modules, therefore employs Serial ports turns the mode of CAN, and the rs 232 serial interface signal of CPU is sent to CSM100 chips, according to transparent translation mode, is transformed into the standard of CAN Frame format, then send to CAN terminals through overdriving.

The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Simply illustrate the utility model structural relation and principle, on the premise of not departing from the spirit and scope of the utility model, this Utility model also has various changes and modifications, and these various changes and improvements fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of grid-connected inverters pilot controller peculiar to vessel based on ARM, including double-redundancy CAN network (1), 4-20 milliamperes of outputs Module (2), CSM100 chips (3), switching input module (4), switching value output module (5) and control panel (6)；It is described double Redundancy CAN network (1) includes 1 network of double-redundancy CAN communicated with layer network in voltage distribution and leads to bottom inverter The CAN2 networks of news, double-redundancy CAN network (1) are connected by CAN interface with arm processor (8)；The 4-20 milliamperes of output Module (2) is on the one hand connected with inverter analog input signal, on the other hand passes through PWM interfaces and arm processor (8) two-way company Connect；The CSM100 chips (3) are bi-directionally connected by UART interface and arm processor (8)；The switching input module (4) Two input terminals be connected respectively with control panel and inverter, switching input module (4) is also by GPIO interface and ARM Reason device (8) is bi-directionally connected；The output terminal of the switching value output module (5) is connected with control panel (6) and inverter (7), opens Pass amount output module (5) is also bi-directionally connected by IIC interfaces and arm processor (8).

2. the grid-connected inverters pilot controller peculiar to vessel according to claim 1 based on ARM, it is characterised in that：It is described double 1 network of redundancy CAN and with bottom inverter communication CAN2 networks it is physically separate, two-way communication work at the same time, appoint What breaks down all the way, automatically switches to and is in addition communicated all the way.

3. the grid-connected inverters pilot controller peculiar to vessel according to claim 1 based on ARM, it is characterised in that：It is described with The CAN2 networks of bottom inverter communication use custom protocol, ensure the reliability with inverter communication.

4. the grid-connected inverters pilot controller peculiar to vessel according to claim 1 based on ARM, it is characterised in that：Described 4-20 milliamperes of output modules (2), add second-order low-pass filter as control voltage using PWM pulsewidth modulations.

5. the grid-connected inverters pilot controller peculiar to vessel according to claim 1 based on ARM, it is characterised in that：Described Switching input module (4) uses optical coupling isolation circuit and the negative circuit with stagnant ring.

6. the grid-connected inverters pilot controller peculiar to vessel based on ARM according to Claims 1 to 5 any claim, its It is characterized in that：The switching value output module (5) uses High-power amplifier circuit and flat military relay.