CN105487445B - It is a kind of that there is delay and time to keep the output switch parameter device and method of function - Google Patents

Abstract

The invention provides a switching value output device and method with delay and time holding functions, including a main control CPU module, a cooperative control CPU module, a switching input module, a switching output module, an HMI display module, a keyboard module and an indicator light display module ; The main control CPU module is connected to the cooperative control CPU module, input module, output module, keyboard module, and indicator light display module respectively, and the cooperative control CPU module is connected to the HMI display module. The input module is connected to the DC‑DC isolated power supply module, and the main control CPU module, cooperative control CPU module and HMI display module are powered by the power supply module.

Description

A switch output device and method with delay and time holding functions

technical field

The invention belongs to the field of maintenance and repair assistance of electric power systems, and in particular relates to a switching value output device and method with delay and time holding functions.

Background technique

At present, many UHV substations will be built in many provinces. In order to ensure the safe and stable operation of UHV, multiple sets of UHV stabilization control devices will inevitably be built. In addition to the conventional unit test, the test of the stability control system also needs to consider the information interaction and system test with the relevant substation stability control devices. Therefore, in order to ensure the smooth development of the UHV stability control device construction project and the convenience of subsequent equipment maintenance, corresponding key technology research must be carried out in the early stage.

Domestic UHV substations have gone through two stages of pilot project and normal construction. At present, although Jiangsu Province has taken the lead in using the UHV stabilization control device, it has not yet been used on the UHV main transformer, and there is no perfect and mature technical support for maintenance. The development of UHV at home and abroad has not yet started, and there is no such technology related to the maintenance of UHV main transformer stability control devices.

Therefore, relying on the research on the UHV substation stability control system, it is an urgent task to deeply analyze the danger points existing in the construction and maintenance process of the stability control device, to study the safety control technology, and to study the verification method for effectively avoiding risks. From the perspective of long-term overhaul and maintenance, the maintenance auxiliary test equipment suitable for this type of stability control device is developed, and the maintenance test plan and test method are studied in combination with the internal logic characteristics of the stability control device, which will ensure the safety and high quality of the test to the greatest extent. , Efficient implementation.

Contents of the invention

In order to solve the above-mentioned defects and deficiencies in the prior art, the present invention provides a switching value output device and method with delay and time holding functions, which can output the contacts after the protection action according to the position signal of the switch and knife switch lamp, Effectively avoid risks and solidify human behavior.

In order to solve the above-mentioned technical problems, the present invention provides a switch output device with delay and time holding functions, including a main control CPU module, a cooperative control CPU module, an input module, an output module, an HMI display module, a keyboard module and Indicator light display module; the main control CPU module is connected to the co-control CPU module, input module, output module, keyboard module, and indicator light display module respectively, and the co-control CPU module is connected to the HMI display module , the switch-in module is connected to a DC-DC isolated power supply module, and the main control CPU module, co-control CPU module and HMI display module are powered by the power supply module.

Further, the main control CPU module is a 32-bit microcontroller including a Cortex-M3 core.

Further, the cooperative control CPU module is a 32-bit microcontroller including a Cortex-M3 core.

Further, the output module includes a 1# output module and a 2# output module, the 1# output module includes 6 DSP2a-DC5V relays; the 2# output module includes 6 DSP1-DC5V-F relays.

Further, the indicator light display module includes 17 LED lights, including 1 blue running light, 1 red fault light, 1 green experiment light, 2 open-in indicator lights, 6 normally open open-out indicator lights , 6 normally closed open indicator lights.

Further, the keyboard module includes 11 keys.

Further, the HMI display module is a TFT liquid crystal display.

Further, the input module includes two terminals, one of which is connected to the common terminal, the common terminal is connected to the DC-DC isolated power supply, the other terminal is connected to the input terminal of the optocoupler, and the output terminal of the optocoupler is connected to the main control CPU The modules are connected.

Utilize the output method of the switching value output device with time delay and time holding function, it is characterized in that: comprise the following steps:

Step 1, the main control CPU module uses the operation of the keyboard module to collect interaction and command information, wherein the interaction information is sent to the cooperative control CPU module, and the command information is sent to the 1# output module, the 2# output module and the indicator light display module; At the same time, the input module collects the logic state of the external signal, sends it to the main control CPU module, and the main control CPU module sends it to the 1# output module and the indicator light display module;

Step 2: After receiving and processing the interactive information sent by the main control CPU module, the cooperative control CPU module sends it to the HMI display module;

After the 1# output module receives the command information sent by the main control CPU module, it controls the output according to the command information and takes corresponding actions. The command information includes the work command, the stop work command, the delay command and the time hold command;

After the 2# output module receives the command information sent by the main control CPU module, it controls the output according to the command information and makes corresponding actions. The command information includes the work command, the stop work command, the delay command and the time hold command;

The indicator light display module receives the command information sent by the main control CPU module, and performs the action of turning on or off the light according to the command information;

Step 3: The HMI display module displays corresponding interactive operations according to the interactive information sent by the cooperative control CPU module, wherein the interactive operations include time setting, experiment setting and help viewing.

Beneficial technical effects achieved by the present invention: the main control CPU module of the present invention is connected with the cooperative control CPU module, controls the 1# output module, the 2# output module, and the indicator light display module, and receives information from the input module and the keyboard module . The cooperative control CPU module is connected to the HMI display module. The power supply module supplies power to the main control CPU module and co-control CPU module, and the DC-DC isolated power supply module supplies power to the input module to prevent damage to the switch output device itself due to misoperation of the terminals of the input module. The invention has flexible output control and high intelligence level.

Description of drawings

Fig. 1 is a schematic diagram of the components of the switching output device of the present invention and the connection relationship of each component.

Detailed ways

In order to better understand the technical features, technical content and technical effects of the present invention, the accompanying drawings of the present invention will now be described in more detail in conjunction with the embodiments.

Below in conjunction with accompanying drawing and embodiment the patent of the present invention is further described.

As shown in Figure 1, the present invention provides a switch output device with delay and time holding functions, including a main control CPU module, a co-control CPU module, a switching input module, a switching output module, an HMI display module, a keyboard module and Indicator light display module; the main control CPU module is connected to the co-control CPU module, input module, output module, keyboard module, and indicator light display module respectively, and the co-control CPU module is connected to the HMI display module , the input module is connected with the DC-DC isolation power supply module to prevent the switch output device itself from being damaged due to misoperation of terminals of the input module, and the main control CPU module, co-control CPU module and HMI display module are powered by the power supply module.

The main control CPU module is a 32-bit microcontroller including a Cortex-M3 core. The co-control CPU module is a 32-bit microcontroller including a Cortex-M3 core.

The output module includes a 1# output module and a 2# output module. The 1# output module includes 6 DSP2a-DC5V relays; the 2# output module includes 6 DSP1-DC5V-F relays.

The indicator light display module includes 17 LED lights, including 1 blue running light, 1 red fault light, 1 green experiment light, 2 open-in indicator lights, 6 normally open open-out indicator lights, 6 Only normally closed to open the indicator light.

The keyboard module includes 11 keys, which are up, down, left, right, ENTER, ESC, F1, F2, F3, F4, and CLR. The HMI display module is a TFT liquid crystal display.

The switch-in module includes two terminals, one of which is connected to the common terminal, the common terminal is connected to the DC-DC isolated power supply, the other terminal is connected to the input terminal of the optocoupler, and the output terminal of the optocoupler is connected to the main control CPU module .

The output method using a switch output device with delay and time holding functions includes the following steps:

Step 1, the main control CPU module uses the operation of the keyboard module to collect interaction and command information, wherein the interaction information is sent to the cooperative control CPU module, and the command information is sent to the 1# output module, the 2# output module and the indicator light display module; At the same time, the input module collects the logic state of the external signal, sends it to the main control CPU module, and the main control CPU module sends it to the 1# output module and the indicator light display module;

Step 2: After receiving and processing the interactive information sent by the main control CPU module, the cooperative control CPU module sends it to the HMI display module;

After the 1# output module receives the command information sent by the main control CPU module, it controls the output according to the command information and takes corresponding actions. The command information includes the work command, the stop work command, the delay command and the time hold command;

After the 2# output module receives the command information sent by the main control CPU module, it controls the output according to the command information and makes corresponding actions. The command information includes the work command, the stop work command, the delay command and the time hold command;

The indicator light display module receives the command information sent by the main control CPU module, and performs the action of turning on or off the light according to the command information;

Step 3: The HMI display module displays corresponding interactive operations according to the interactive information sent by the cooperative control CPU module, wherein the interactive operations include time setting, experiment setting and help viewing.

The present invention has been disclosed above with preferred embodiments, but it is not intended to limit the present invention. All technical solutions obtained by adopting equivalent replacement or equivalent transformation schemes fall within the protection scope of the present invention.

Claims (2)

1. a kind of there is delay and time to keep the output switch parameter device of function, it is characterised in that：Including master cpu module, Association's control CPU module is opened into module, outputs module, HMI displays mould, Keysheet module and indicator light display module；The master cpu Module respectively with association control CPU module, open into module, output module, Keysheet module, indicator light display module and be connected, it is described Association's control CPU module is connected with the HMI display modules, and described open is connected into module with DC-DC isolated power supply modules, the master control CPU module, association's control CPU module and HMI display modules are powered by power module；The master cpu module is 32 8-digit microcontrollers, Including a Cortex-M3 cores；Association's control CPU module is 32 8-digit microcontrollers, including a Cortex-M3 cores；Output mould Block includes that 1# outputs module and 2# outputs module, and it includes 6 DSP2a-DC5V relays that the 1#, which outputs module,；The 2# is outputed Module includes 6 DSP1-DC5V-F relays；The indicator light display module includes 17 LED light, including 1 blue Running indicator, 1 red-fault lamp, 1 Green experiment lamp, 2 open into indicator light, 6 it is normally opened output indicator light, 6 normally closed open Go out indicator light；The Keysheet module includes 11 buttons；The HMI display modules are TFT liquid crystal displays；It is described to open into module Including 2 terminals, one of terminal is connected with common end, and common end is connected with DC-DC isolated power supplies, another terminal and light The input terminal of coupling is connected, and the output end of optocoupler is connected with master cpu module.

2. the output method of the output switch parameter device according to claim 1 that there is delay and time to keep function, It is characterized in that：Include the following steps：

Step 1, master cpu module acquire interaction and command information using the operation of Keysheet module, wherein interactive information is sent Association's control CPU module, command information is given to be sent to that 1# outputs module, 2# outputs module and indicator light display module；Meanwhile it opening into mould Block acquires the logic state of external signal, is sent to master cpu module, and being sent to 1# by master cpu module outputs module and refer to Show lamp display module；

Step 2 is sent to HMI and shows mould after association's control CPU module receives and processes the interactive information of master cpu module transmission Block；

After 1# outputs the command information that module receives the transmission of master cpu module, the amount of outputing is controlled according to command information and makes phase The action answered, wherein command information include work order, the order that is stopped, delay command and time keep order；

After 2# outputs the command information that module receives the transmission of master cpu module, the amount of outputing is controlled according to command information and makes phase The action answered, wherein command information include work order, the order that is stopped, delay command and time keep order；

Indicator light display module receives the command information of master cpu module transmission, makes that lamp is bright or lamp goes out according to command information Action；

Step 3, the interactive information that HMI display modules are sent according to association's control CPU module, shows corresponding interactive operation, wherein handing over Interoperability includes that time setting, experimental setup and help are checked.