CN210721082U - Microcomputer protection device - Google Patents

Abstract

The utility model discloses a computer protection device, include: the electric signal collector is used for collecting electric signals; the processor is respectively connected with the electric signal collector and the external execution unit and comprises a memory for storing a plurality of pre-edited electric power primary element diagrams; and the interaction module is connected with the processor and comprises an input module and an output module, wherein the input module is used for inputting an operation instruction to the processor, and the output module is used for displaying the event content output by the processor. The utility model discloses a set up the component picture that the memory is used for saving different components in the treater, make up and use, the user can select to call corresponding component picture as required to constitute or change the mimic diagram like this, saves the communication butt joint time in earlier stage. Meanwhile, the situations of changing the acrylic plate and the like caused by changing the simulation graph once due to communication and other reasons are prevented.

Description

Microcomputer protection device

Technical Field

The utility model relates to an electric power tech field, concretely relates to computer protection device.

Background

The power system is the support of the whole national economy, and various places such as production, life and the like can not be separated from the power system, while the microcomputer protection device is the most important protection element in the power system, the power system and the central nerve of secondary automation, the modern society has higher and higher dependence on power, and the requirements on power supply and reliability and integration are higher and higher. The expectation of the intelligent demand is higher and higher, and the installation area is overlarge due to the combination of the microcomputer protection device and the switch state indication which are often installed in the power distribution cabinet of the power system in the past. The power distribution cabinet has the advantages that wiring construction is complex, requirements for maintenance personnel are high, and the like, various power cables in the same power distribution cabinet are partially repeated and overlapped in function, a primary power simulation diagram is a simulation diagram which reflects the arrangement, structure and requirements of primary power equipment and is matched with power, on-off state indication on the market at present basically realizes the unification of the primary power equipment in a printing mode of an acrylic plate, a simulation drawing needs to be provided before a user orders, and a manufacturer provides the acrylic plate according to the simulation diagram and installs the acrylic plate on the device. If the actual equipment is changed or the drawing provided by the user is not correct, the acrylic plate is required to be customized again to realize the correspondence with the primary simulation drawing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve among the prior art when actual equipment change or the user provide the drawing not right the time need customize again the ya keli board realize with the problem of simulating the correspondence of picture once to a computer protection device is provided.

An aspect of the utility model provides a computer protection device, include: the electric signal collector is used for collecting electric signals; the processor is respectively connected with the electric signal collector and the external execution unit and comprises a memory for storing a plurality of pre-edited electric power primary element diagrams; and the interaction module is connected with the processor and comprises an input module and an output module, wherein the input module is used for inputting an operation instruction to the processor, and the output module is used for displaying the event content output by the processor.

Optionally, the electrical signal collector comprises: protection current transformers, measurement current transformers and voltage transformers.

Optionally, the processor further includes an ADC module, and the microcomputer protection device further includes: and the signal processing circuit is respectively connected with the protection current transformer, the measurement current transformer, the voltage transformer and the ADC module, and is used for preprocessing the electric signals collected by the protection current transformer, the measurement current transformer and the voltage transformer and then sending the electric signals to the ADC module for analog-to-digital conversion.

Optionally, the method further comprises: and the switch position collector is connected with the processor and used for collecting the switch position.

Optionally, the method further comprises: and the temperature and humidity collector is connected with the processor and is used for collecting the temperature and humidity under the environment.

Optionally, a photoelectric isolation module for performing photoelectric isolation is disposed between the switch position collector and the processor and between the temperature and humidity collector and the processor.

Optionally, the method further comprises: and the human body induction collector is connected with the processor and used for inducing whether a person operates.

Optionally, the output module is a keyboard, and the output module is a color display.

Optionally, the method further comprises:

an indicator light coupled to the processor for illuminating if a corresponding event is triggered.

Optionally, the processor is connected with other modules by using an IO interface, a serial interface, or a single bus interface.

According to the embodiment of the utility model provides a, through set up the component picture that the memory is used for saving different components in the treater, use in combination, the user can select to call corresponding component picture as required and constitute or change the simulation diagram like this, saves earlier stage communication butt joint time. Meanwhile, the situations of changing the acrylic plate and the like caused by changing the simulation graph once due to communication and other reasons are prevented.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a microcomputer protection device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an alternative embodiment of a microcomputer protection device;

fig. 3 is a schematic diagram of an editing process of an electric power primary simulation diagram in an embodiment of the present invention;

fig. 4-1 and 4-2 are comparative diagrams of modification of the primary power simulation diagram according to the embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

An embodiment of the utility model provides a computer protection device, as shown in fig. 1, this computer protection device includes:

and the electric signal collector 10 is used for collecting electric signals. The collected electrical signal may be a current or voltage signal. Specifically, the electric signal collector 10 may include: the protection current transformer, the measurement current transformer and the voltage transformer are respectively used for collecting protection current, measurement current, voltage and the like of the power system.

And the processor 20 is respectively connected with the electric signal collector 10 and the external execution unit 40, and the processor 20 comprises a memory 21 for storing a plurality of pre-edited electric power primary element diagrams. The processor 20 may be a Central Processing Unit (CPU), and the processor 20 is provided with a memory 21, i.e. a memory domain, for storing data. The memory 21 in this embodiment is mainly used for storing a plurality of primary component drawings to form a power primary component drawing library. And calling the corresponding element diagram to generate a corresponding primary simulation diagram for use on the user site according to the requirement. The processor 20 is configured to perform corresponding processing on the acquired electrical signals, for example, perform threshold judgment on the detected electrical signals, and then control corresponding execution units to perform operations. The execution unit can be a relay, a temperature and humidity regulator or communication equipment. An optoelectronic isolation module may be disposed between the execution unit 40 and the processor 20 for optoelectronic isolation.

And the interaction module 30 is connected with the processor 20, the interaction module 30 includes an input module 31 and an output module 32, the input module 31 is used for inputting an operation instruction to the processor 20, and the output module 32 is used for displaying the event content output by the processor 20.

The input module 31 may be a keyboard and the output module 32 may be a display, e.g. a color display. The user can input a corresponding operation command to the apparatus through the input module 31, for example, when editing a simulation diagram, a command for calling an element is input. The generated simulation diagram and the required power elements are displayed through the output module 32.

According to the embodiment of the utility model provides a, through set up the component picture that the memory is used for saving different components in the treater, use in combination, the user can select to call corresponding component picture as required and constitute or change the simulation diagram like this, saves earlier stage communication butt joint time. Meanwhile, the situations of changing the acrylic plate and the like caused by changing the simulation graph once due to communication and other reasons are prevented.

In an embodiment of the present invention, the processor further includes an ADC module, the microcomputer protection device further includes: and the signal processing circuit is respectively connected with the protection current transformer, the measurement current transformer, the voltage transformer and the ADC module, and is used for preprocessing the electric signals collected by the protection current transformer, the measurement current transformer and the voltage transformer and then sending the electric signals to the ADC module for analog-to-digital conversion.

Because what the signal of telecommunication collector gathered is analog signal, the embodiment of the utility model provides an in signal processing circuit can carry out filtering, dejittering and signal amplification treater to the signal of telecommunication of gathering and carry out analog-to-digital conversion by the ADC module again and supply the treater to handle for digital signal. The signal processed by the signal processing circuit is more stable and has higher precision.

The embodiment of the utility model provides an in computer protection device, still include following at least one:

the switch position collector is connected with the processor and is used for collecting the switch position;

the temperature and humidity collector is connected with the processor and is used for collecting the temperature and humidity under the environment;

the human body induction collector is connected with the processor and is used for inducing whether a person operates or not;

an indicator light coupled to the processor for illuminating if a corresponding event is triggered.

Photoelectric isolation modules for photoelectric isolation are arranged between the switch position collector and the processor and between the temperature and humidity collector and the processor.

Optionally, the processor is connected with other modules by using an IO interface, a serial interface, or a single bus interface.

Fig. 2 shows another optional microcomputer protection device of the embodiment of the utility model, as shown in fig. 2, this microcomputer protection device includes protection current transformer, measurement current transformer, voltage transformer, CPU unit (containing the IO interface, I2C bus, memory, serial port timer, ADC module etc.), keyboard, pilot lamp, color display, relay output, temperature and humidity control, communication, the collection of on-off position, the humiture is gathered, and human response is gathered and is constituteed.

The protection current transformer, the measurement current transformer and the electric signal collected by the voltage transformer are filtered, subjected to jitter removal, signal amplification and other processing through the signal processing circuit, converted into digital signals through an ADC (analog to digital converter) module in a CPU (Central processing Unit), stored with a plurality of groups of data values in a memory, set with upper and lower limit values according to the memory, output of a relay through an IO (input/output) port, and display of corresponding events of a color display is driven to light through an IO port driving indicator lamp and through TTL (transistor-transistor logic) level.

The switch position collector sends collected information to the CPU unit through the IO level after photoelectric isolation to judge the corresponding switch position, drives the color display to display a primary simulation diagram and other corresponding positions through the TTL level, sets up upper and lower limit values in the memory, executes relay output through the IO port, and drives the indicator lamp to light through the IO port and drives the color display to display corresponding events through the TTL level.

Signals collected by the temperature and humidity collector are transmitted to the CPU unit through the single bus after being isolated by photoelectricity, and the corresponding temperature and humidity of the color display are driven through TTL level. And setting upper and lower limit values according to the memory, and executing temperature and humidity control output through an IO port.

The signal that human response collector gathered sends CPU unit to through IO level and judges for whether response has personnel to operate. The illumination of the color display is driven by the TTL level.

The keyboard is sent to the CPU unit for judgment through IO level and is used for displacement and setting of the color display.

The indicator lamp is correspondingly lightened by transmitting IO level through the CPU unit and is used for assisting in judging the running state, action, real-time communication and other indications of the device.

The communication is realized by photoelectric isolation and CPU serial interface, and all data in the microcomputer protection device are packaged, transmitted, converted into a power standard protocol and transmitted to an automation system.

The color display communicates with the CPU unit in real time through the TTL level, and can display electric data such as a protection current transformer, a measurement current transformer, a voltage transformer, a real-time numerical value, power calculated through the CPU unit, an angle, an electric power and the like. The switch can display parameters such as the on-off state of the switch position, temperature and humidity values, the record of the actions of the relay outlet and the temperature and humidity outlet, and the like. Memory settings and other operations may be set via a keyboard.

The color display can display the once simulation picture, store a plurality of once element libraries and store the once simulation picture in the memory, and a user does not need to provide the once simulation picture, and can call out the needed once elements on site according to related requirements and combine the once simulation picture and the once simulation picture for use. The early-stage communication and docking time is saved. Meanwhile, the situations of changing the acrylic plate and the like caused by changing the simulation graph once due to communication and other reasons are prevented. And the primary simulation diagram is sent to a color display through a CPU unit through corresponding acquisition switch position signals to be synchronously displayed in real time.

The operation schematic diagram is shown in fig. 3, the collected switch positions are displayed on the color display screen in real time, and a user inputs corresponding commands through keyboard operation according to needs, controls the CPU to call corresponding elements in the memory, and changes or replaces the elements in the simulation diagram. Either the trolley mode or the load switch mode can be selected by modifying the position of the circuit breaker within the liquid crystal panel, as in fig. 4-1, and either grounding or no grounding can be selected by modifying the grounding switch within the liquid crystal panel, as in fig. 4-2.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this invention are intended to be covered by the present application.

Claims (9)

1. A microcomputer protection device, comprising:

the electric signal collector is used for collecting electric signals;

the processor is respectively connected with the electric signal collector and the external execution unit and comprises a memory for storing a plurality of pre-edited electric power primary element diagrams;

and the interaction module is connected with the processor and comprises an input module and an output module, wherein the input module is used for inputting an operation instruction to the processor, and the output module is used for displaying the event content output by the processor.

2. The microcomputer protection device of claim 1, wherein the electrical signal collector comprises: protection current transformers, measurement current transformers and voltage transformers.

3. The microcomputer protection device of claim 2, wherein the processor further comprises an ADC module, the microcomputer protection device further comprising:

and the signal processing circuit is respectively connected with the protection current transformer, the measurement current transformer, the voltage transformer and the ADC module, and is used for preprocessing the electric signals collected by the protection current transformer, the measurement current transformer and the voltage transformer and then sending the electric signals to the ADC module for analog-to-digital conversion.

4. The microcomputer protection device of claim 1, further comprising:

and the switch position collector is connected with the processor and used for collecting the switch position.

5. The microcomputer protection device of claim 4, further comprising:

and the temperature and humidity collector is connected with the processor and is used for collecting the temperature and humidity under the environment.

6. The microcomputer protection device according to claim 5, wherein photoelectric isolation modules for performing photoelectric isolation are disposed between the switch position collector and the processor and between the temperature and humidity collector and the processor.

7. The microcomputer protection device of claim 1, further comprising:

and the human body induction collector is connected with the processor and used for inducing whether a person operates.

8. The microcomputer protection device of claim 1, wherein the output module is a keyboard and the output module is a color display.

9. The microcomputer protection device of claim 1, further comprising:

an indicator light coupled to the processor for illuminating if a corresponding event is triggered.

Images