CN201408251Y - Modular microcomputer motor protection monitoring device - Google Patents

Abstract

Modular microcomputer motor protection monitoring device. The structure includes basic module, power module, state quantity input and output module, analog quantity input and output module, communication module, display module and internal CAN bus. Connect to the AC and DC 220V power supply, and supply power to the basic module, analog input and output module, and state input and output module after transformation. The other end of the basic module is connected to the analog input and output module, and the analog input and output module is connected to the state input The output module is connected; the communication module is connected with the basic module. It has low cost, small size, simple and convenient installation and debugging; it can realize system data communication and remote control and telemetry; it can realize undervoltage, overvoltage, underpower, restart, power shaking, restart function, leakage, temperature, and analog protection, so that Achieve fast and safe system upgrades.

Description

Modularized microcomputer motor protective monitoring device

One, technical field

The utility model relates to a kind of microcomputer motor protective monitoring technique field, particularly microcomputer low-tension motor protection monitoring module technical field.

Two, background technology

General microcomputer motor protective device supervising device is monoblock type or demonstration and body separating type at present; all require to determine detailed model and function technical requirement at system design stage; after installing Installation and Debugging well, or the system upgrade after use a period of time, want to increase functions of the equipments; hardware capability particularly; often need integral demounting, change whole device, install with debugging cycle is long again; influence ordinary production, and bring a lot of uncertain insecurity to system.

Three, summary of the invention

The purpose of this utility model is to increase the defective that function needs more changing device, excessive cycle, influences production and bring a lot of potential safety hazards to system in order to overcome system upgrade or device, designs a kind of modularized microcomputer motor protective monitoring device that can increase function flexibly.Its technical scheme that adopts is: comprise basic module, power module, the quantity of state input/output module, the analog quantity input/output module, communication module, display module and inner CAN bus are in interior structure, it is characterized in that: complete machine is core with the basic module, pass through interface, power module is connected with basic module, power module inserts to be handed over, direct current 220V power supply, after the transformation to basic module, the analog quantity input/output module, the power supply of quantity of state input/output module, the other end of basic module is connected with the analog quantity input/output module, and the analog quantity input/output module is connected with the quantity of state input/output module; Communication module is connected with basic module, the number that communication module is gathered is lifted signal by handling through basic module, basic module is connected with display module, to inquire about all measurement data, record data, management data, and can inquire about and adjust various protection definite values and device parameter, the quantity of state input/output module provides 4 tunnel inputs, 8 tunnel inputs, 12 tunnel inputs and 2 tunnel outputs, 4 tunnel outputs, 6 tunnel output combination in any, basic module has comprised the three-phase current input, the input of 2 line state amounts, the minimum essential requirement system of 1 line state amount output, and configuration comprehensively can be according to whole defencive functions of minimal hardware system, measurement function and management function; Defencive function has that quick-break, thermal overload, overcurrent, stall, imbalance, the phase failure, single-phase earthing, negative-phase sequence, starting are overtime, number of starts restriction, undercurrent, overflow protection, contactor emergency protection; the function of measuring has three-phase current, degree of unbalancedness, quantity of state; management function has activated, stops record, failure logging, quantity of state record, motor working time, motor operation number of times; show failure code, motor status, the hand-reset button is arranged.The positive effect of implementing after this technology is: but the basic module independent operating satisfies the low side user's request, cost is low, and size is little, and Installation and Debugging are simple and convenient; Communication module can be realized the system data communication, realizes the remote-control romote-sensing function; Display module can be realized panel operation, setting device definite value and parameter function; Power module can be realized alternating current 220V or direct current 220V power supply; Optional analog quantity input/output module (voltage, electric leakage, temperature and resistance, 4-20mA input), can realize measuring voltage, power, electric energy function, electric leakage, temperature and resistance, 4-20mA, realize under-voltage, overvoltage, underpower, restart, shake electricity, restart function, electric leakage, temperature, analog quantity protection control function, realize that output function is sent in the change of electric current, voltage, power, resistance, electric leakage; Optional quantity of state input/output module can realize multiple starting control mode programing function, warning, isolating switch control, plant failure, output function able to programme; 5 modules except that basic module can increase arbitrarily arbitrarily the time or reduce according to user's request, each module independent test, adopt the CAN bus communication with basic module, whole device combination finishes and only need re-power promptly and can come into operation, thereby reach quickly and safely system upgrade or device is increased function.

Four, description of drawings

Fig. 1 is a structural representation of the present invention;

Wherein: 1-basic module, 2-communication module, 3-display module, 4-power module, 5-analog quantity input/output module, 6-quantity of state input/output module;

Five, embodiment

Below in conjunction with accompanying drawing the present invention is further described:

See accompanying drawing 1, complete machine is a core with basic module (1), pass through interface, power module (4) is connected with basic module (1), power module (4) inserts AC and DC 220V power supply, to basic module (1), analog quantity input/output module (5), quantity of state input/output module (6) power supply, the other end of basic module (1) is connected with analog quantity input/output module (5) after the transformation, and analog quantity input/output module (5) is connected with quantity of state input/output module (6); Communication module (2) is connected with basic module (1); the number that communication module (2) is gathered is lifted signal by handling through basic module (1); basic module (1) is connected with display module (3); to inquire about all measurement data, record data, management data; and can inquire about and adjust various protection definite values and device parameter, quantity of state input/output module (6) provides 4 tunnel inputs, 8 tunnel inputs, 12 tunnel inputs and 2 tunnel outputs, 4 tunnel outputs, 6 tunnel output combination in any.

Basic module (1) but independent operating, other modules all are optional, power module (4) can insert friendship, direct current 220V power supply, display module (3) provides the man-machine interface of optimization, but communication module (2) provides different fieldbus modes, satisfy the different system requirement, analog quantity input/output module (5) has multiple analog quantity combination voltage input, the electric leakage input, the temperature and resistance input, the 4-20mA input, but 4-20 exports combination in any, satisfy different demands, quantity of state input/output module (6) provides 4 tunnel inputs, 8 tunnel inputs, 12 tunnel inputs and 2 tunnel outputs, 4 tunnel outputs, 6 tunnel output combination in any, satisfy different demands, select combination flexibly, the demand that satisfies the user that can be most economical, system upgrade and function increase only needs to change disparate modules, rapidly and efficiently safety.

See accompanying drawing 1, basic module (1) independent operating, different types of analog quantity input/output module (5) and quantity of state input/output module (6) when opening initialization can with basic module (1) exchange message, carry out operational analysis by basic module (1), sending instruction or information exports for analog quantity input/output module (5) and quantity of state input/output module (6), analog quantity input/output module (5) can change the electric quantity signal that the user needs into 4-20mA to be exported to long-range DCS or other table meters and shows or control, earthing display module (3) shows, analog quantity input/output module (5) and quantity of state input/output module (6) are issued basic module (1) to the signal of gathering, basic module (1) calculates, detect motoring, as find fault, to quantity of state input/output module (6) signal, carry out tripping operation, report to the police, starting control, remote control, the action of outlet such as restart, finish to the control of motor with by display module (3) user is sent caution, perhaps carry out efficient and send trip command, indication motor running status and discharge state and failure code, carry out accident treatment, reach safe operation.

Claims (3)

1. Modular microcomputer motor protection and monitoring device, including basic module (1), power supply module (4), state quantity input and output module (6), analog quantity input and output module (5), communication module (2), display module ( 3) The structure including the internal CAN bus is characterized in that: the whole machine takes the basic module (1) as the core, and the power module (4) is connected to the basic module (1) through the interface, and the power module (4) is connected to the AC , DC 220V power supply, after voltage transformation, supply power to the basic module (1), analog input and output module (5), and state input and output module (6), and the other end of the basic module (1) is connected to the analog input and output module (5 ) connection, the analog input and output module (5) is connected with the state quantity input and output module (6); the communication module (2) is connected with the basic module (1), and the counting signal collected by the communication module (2) is passed through the basic module ( 1) Processing, the basic module (1) is connected with the display module (3) to query all measurement data, record data, management data, and to query and adjust various protection settings and device parameters. There is a manual reset button. 2. The modular microcomputer motor protection monitoring device according to claim 1, characterized in that: the state quantity input and output module (6) provides 4 inputs, 8 inputs, 12 inputs and 2 outputs, 4 outputs, Any combination of 6 outputs. 3. The modular microcomputer motor protection monitoring device according to claim 1, characterized in that: the basic module (1) includes a three-phase current input, a minimum demand system of 2 state quantity inputs and 1 state quantity output, and Configure comprehensive protection functions, measurement functions and management functions based on the minimum hardware system.

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