CN106849013A - Multi-function motor comprehensive control protector - Google Patents
Multi-function motor comprehensive control protector Download PDFInfo
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- CN106849013A CN106849013A CN201710085801.6A CN201710085801A CN106849013A CN 106849013 A CN106849013 A CN 106849013A CN 201710085801 A CN201710085801 A CN 201710085801A CN 106849013 A CN106849013 A CN 106849013A
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- output switch
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- switch parameter
- motor
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- 230000001012 protector Effects 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 13
- 235000006508 Nelumbo nucifera Nutrition 0.000 abstract description 2
- 240000002853 Nelumbo nucifera Species 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0822—Integrated protection, motor control centres
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- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses multi-function motor comprehensive control protector; including current sensor, voltage sensor, protection control module, Operation display module and power module; the current sensor is directly through on the three-phase major loop of motor controlling cabinet; the voltage sensor is arranged in the transformer lines of motor controlling cabinet; Operation display module is provided with water-proof type button and 10 cun of double-colored highlighted LED displays, and the power module is electrically connected with protection control module.Item defencive function parameter of the present invention can be adjusted by computer installation; it is applied widely; flexibly and easily; defencive function is comprehensive; possesses the multi-protective function such as electric leakage, under-voltage, over-pressed, three-phase imbalance, overload, short circuit; user can according to actual needs select corresponding defencive function, and Starting mode is complete：The full voltage starting method of operation, the soft start method of operation, the star triangle method of operation, depressurize the method for operation from lotus root, and user can on-line selection respective control function according to actual needs.
Description
Technical field
The present invention relates to electric motor protecting technical field, more particularly to multi-function motor comprehensive control protector.
Background technology
Electromotor Protector is to be designed for the protection of the 380/660V such as industrial and mining enterprises low-voltage network motor, survey
Control, it has the functions such as measurement in real time, protection, monitoring, display, communication.Protector is based on advanced integrated circuit and microcomputer skill
Art, using micro-chip processor as its main operational unit, fast operation, reliability are high, and with perfect communication function and
Simulation pick-up fan-out capability.Many-sided perfect integrated protection is provided motor, and dependable performance is easy to operate, and is easily installed
The advantages of safeguarding.Protection domain and sensitivity are all higher than electrothermal relay, it is possible to prevente effectively from the past often motor burnt out, heat after
The situation that electrical equipment is but failure to actuate, is the preferable upgrading products of electrothermal relay.
But the existing most simple structure of motor protecter, unitary function, it is impossible to meet multi-functional on the market at present
Use demand, for different motor type and quantity, it is necessary to configure different protectors with the protector quantity for matching
Motor can be protected, so not only operated complex, and improve acquisition cost, then had and be exactly, existing electricity
Machine protector is not high to the degree of protection of motor, usually or can damage motor, it is impossible to meet Production requirement, is that we set this
Multi-function motor comprehensive control protector is counted out to solve the above problems.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the multi-function motor for proposing comprehensively is controlled
Protection device processed.
To achieve these goals, present invention employs following technical scheme：
Multi-function motor comprehensive control protector, including current sensor, voltage sensor, protection control module, behaviour
Make display module and power module, the current sensor is directly through on the three-phase major loop of motor controlling cabinet, the voltage
Sensor is arranged in the transformer lines of motor controlling cabinet, and Operation display module is provided with water-proof type button and 10 cun of double-colored height
Bright LED display, the power module is electrically connected with protection control module；
It is described protection control module be connected with the control circuit in motor controlling cabinet, be provided with HMI interface, power input,
Communication interface, On-off signal, output switch parameter, output switch parameter, output switch parameter, the input of motor transformer, No. two
Motor input transformer, output switch parameter, output switch parameter and On-off signal, the HMI interface connect with Operation display module
Connect, the power input is input into for DC24V, is connected with power module, the communication interface is 2X-RS485 interfaces, is connected flatly
Backstage configuration software, two mouthfuls of connection expansion modules, the motor transformer input and No. two motor input transformers are 3
Phase current mutual inductor is input into and zero-sequence current or system voltage input.
Preferably, the On-off signal is voltage or switching value according to input type, selects the mode of connection.
Preferably, the output switch parameter is the independent output switch parameter without common port.
Preferably, the On-off signal is voltage or switching value according to input type, selects the mode of connection.
Preferably, the output switch parameter is the independent output switch parameter without common port.
Preferably, the output switch parameter is the output switch parameter with common port.
Preferably, the output switch parameter is the output switch parameter with common port.
Preferably, the On-off signal for input type be the switching value without voltage.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, using the double-colored highlighted LED of 10 large scales, waterproofing membrane touch key, simple and direct-viewing operation.
2nd, hardware core part uses 32 high-speed figure treatment technologies, and logical operation in real time, is protected fast operation, adopted
Sample high precision, quick action.
3rd, control function comprehensively, possesses fan-type (smoke evacuation and forced draught blower, dual-purpose single speed blower fan, fire-fighting and usually two
With Double Speed Fan or air draft smoke evacuation Double Speed Fan, usually use Double Speed Fan, common blower fan and jet blower linkage exhaust machine etc. altogether
Count 6 major class, 42 kinds of control programs), water pump class (fire pump, domestic water pump, hot water circulating pump, freezing cooling water pump and draining pump
5 major class, 64 kinds of control programs altogether), other classes (illumination, reversible motor, common fire resistance rolling shutter door, double-speed motor etc.) control on the spot
System, two places control, building control, fire protection linkage control, Liquid level, fire hydrant box control etc. various control function.
4th, device is integrated with all atlas, and user can online choose respective control function according to actual needs.
5th, every defencive function parameter can be adjusted by computer installation, applied widely, flexibly and easily.
6th, defencive function comprehensively, possesses the multi-protective function such as electric leakage, under-voltage, over-pressed, three-phase imbalance, overload, short circuit,
User can according to actual needs select corresponding defencive function.
7th, Starting mode is complete：The full voltage starting method of operation, the soft start method of operation, the star triangle method of operation, subtract from lotus root
The pressure method of operation, user can on-line selection respective control function according to actual needs.
8th, the method for operation is complete：Separate unit operation, many operations (the using and the reserved, automatic alternate, dual-purpose standby), user Ke Gen
According to being actually needed on-line selection respective control function.
9th, possess advanced RS485 communication functions, communication protocol simple transparent, convenient networking with various monitoring systems is transported
OK.
10th, with advanced software and hardware self-checking function.
11st, using unified hardware and software platform, various logic control function can long-range flexible configuration, greatly facilitate scene
Working service and replacing.
Brief description of the drawings
Fig. 1 is the structural representation of multi-function motor comprehensive control protector proposed by the present invention；
Fig. 2 is the circuit theory logic chart of multi-function motor comprehensive control protector proposed by the present invention.
In figure：1HMI interfaces, 2 power inputs, 3 communication interfaces, 4 On-off signals, 5 output switch parameters, 6 switching values are defeated
Go out, the input of 7 output switch parameters, No. 8 motor transformers, 9 No. two motors input transformers, 10 output switch parameters, 11 switching values
Output, 12 On-off signals.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Reference picture 1-2, multi-function motor comprehensive control protector, including current sensor, voltage sensor, protection control
Molding block, Operation display module and power module, current sensor are directly through on the three-phase major loop of motor controlling cabinet, voltage
Sensor is arranged in the transformer lines of motor controlling cabinet, and Operation display module is provided with water-proof type button and 10 cun of double-colored height
Bright LED display, power module is electrically connected with protection control module；
Protection control module is connected with the control circuit in motor controlling cabinet, is provided with HMI interface 1, power input 2, leads to
Communication interface 3, On-off signal 4, output switch parameter 5, output switch parameter 6,7, motor transformer of output switch parameter input 8,
No. two motor input transformers 9, output switch parameter 10, output switch parameter 11 and On-off signals 12, HMI interface 1 are aobvious with operation
Show that module is connected, power input 2 is input into for DC24V, is connected with power module, communication interface 3 is 2X-RS485 interfaces, is connected flatly
Backstage configuration software is connect, two mouthfuls of connection expansion modules, a motor transformer input 8 and No. two motor input transformers 9 are 3
Phase current mutual inductor is input into and zero-sequence current or system voltage input, and On-off signal 4 is voltage or switch according to input type
Amount, selects the mode of connection, and output switch parameter 5 is the independent output switch parameter without common port, and On-off signal 6 is according to input
Type is voltage or switching value, selects the mode of connection, and output switch parameter 7 is the independent output switch parameter without common port, is opened
It is the output switch parameter with common port that pass amount exports 10, and output switch parameter 11 is the output switch parameter with common port, and switching value is defeated
Enter for 12 input types are the switching value without voltage.
Defencive function of the invention has：
Short-circuit protection：The short trouble occurred to any phase of starter load-side, the present apparatus sets short-circuit protection, works as appearance
Instantaneous tripping during short trouble.Consider the capacity of the contactless contactor of starter, when short circuit current is more than 10 times of rated current,
Can be moved back by the throwing of short circuit blocking and decide whether tripping operation.
Specified time overcurrent protection：The overload fault occurred to load-side, the present apparatus sets specified time overcurrent protection, while
As the back-up protection of short-circuit protection.
Over-load inverse time-lag is protected：Inverse time-lag protection element is that operation time limit coordinates naturally with size of current in protected circuit
Protection element, by translation motion curve, can very easily realize the cooperation of full line.The present apparatus provides three kinds of inverse time
Limit mode (according to IEC225-4 standards), can select one of which by control word of adjusting, and constitute inverse-time overcurrent protection.
Wherein：TPIt is time constant, scope is (0.05~10) (typically taking 1.5)；
IPIt is starting current, I is fault current；
T is the trip time.
Alternate excessively stream inverse time-delay operation condition is as follows：
●I>IP；I is fault current definite value, and IP is starting current；
●T>t；T is the trip time；
Undercurrent protection：After startup terminates, there is undercurrent failure in load-side, and the present apparatus sets undercurrent protection.
Rotation-clogging protection：After startup terminates, there is stall failure in load-side, and the present apparatus sets rotation-clogging protection.
Unbalance protection：After startup terminates, there is current imbalance in load-side, and the present apparatus sets unbalance protection, uneven
Weighing apparatus discriminant coefficient is maximum phase current subtracts minimum phase current again divided by gained after maximum phase current.Unbalance protection action may be selected
Tripping operation is alerted.
Open-phase protection：After startup terminates, there is phase shortage in load-side, and the present apparatus sets open-phase protection, and phase shortage is differentiated using most
Small phase current.
Anti-phase is protected：There is phase sequence mistake in load-side, and the present apparatus sets anti-phase protection, and anti-phase differentiation is pressed from both sides using phase current
Angle.
Under-voltage protection：When system voltage is less than under-voltage protection definite value, under-voltage protection is low through deferred action of adjusting
Voltage operation may be selected tripping operation or alert.
Overvoltage protection：When system voltage is more than overvoltage protection definite value, overvoltage protection is through delay tripping of adjusting.
For protection control module, corresponding national standard drawings can be chosen according to user's request, select the Starting mode of motor
And the method for operation, meeting the logic control operation of different requirements, protection module is that analog quantity and switching value to gathering are carried out soon
The sampling of speed simultaneously completes various calculation process, and tripping operation or alarm can be determined according to nature of trouble when breaking down, and can also pass through
RS485 communication interfaces are communicated with various monitoring systems；
The present invention uses 32 high-speed figure core processing technologies, is new the one of various blower fan water pump application circuits releases
Generation collection protection, observing and controlling, the intelligent protection control device of communicating integral.With country and the relevant standard of industry, specification and rule
It is set to foundation, digital processing control technology is core, by technologies such as microelectric technique, data transmission technology, software engineerings
Using product energy consumption is high, big to environment harmful effect and discrete component is more, wiring is multiple to solve conventional motors control protection
Miscellaneous, debugging trouble, the problems such as be difficult to system automation and network management, make electrical design, production and using more advising
Generalized and medelling, can greatly enhance security and reliability that the equipment such as all kinds of conventional water pumps, blower fan, air-conditioning, illumination are used
Property, fully meet the conventional control protection technique requirement of all kinds of motors and field working conditions requirement in industry.With double RS485 bilaterals
Letter interface, to realize the various defencive functions and automatic control function of electric power system.Open communications platform, it is convenient with it is various
Communication sub-station network, can be real realize industrial electric automation control various requirement.It is using integrated design, i.e., various
Different control logic, relay protective scheme are integrated in a set of software and hardware according to different technical requirements, various control logics and guarantor
Shield logic can live online editing, the different control logic of great convenience user's selection and relay protective schemes.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (8)
1. multi-function motor comprehensive control protector, including current sensor, voltage sensor, protection control module, operation
Display module and power module, it is characterised in that the current sensor is directly through on the three-phase major loop of motor controlling cabinet,
The voltage sensor is arranged in the transformer lines of motor controlling cabinet, and Operation display module is provided with water-proof type button and 10
Very little double-colored highlighted LED display, the power module is electrically connected with protection control module；
The protection control module is connected with the control circuit in motor controlling cabinet, is provided with HMI interface（1）, power input
（2）, communication interface（3）, On-off signal（4）, output switch parameter（5）, output switch parameter（6）, output switch parameter（7）, No. one
Motor transformer is input into（8）, No. two motor input transformers（9）, output switch parameter（10）, output switch parameter（11）And switching value
Input（12）, the HMI interface（1）It is connected with Operation display module, the power input（2）For DC24V is input into, with power supply mould
Block is connected, the communication interface（3）It is 2X-RS485 interfaces, backstage configuration software, two mouthfuls of connection expansion modules, institute is connected flatly
State a motor transformer input（8）With No. two motor input transformers（9）It is the input of 3 phase current mutual inductors and zero-sequence current
Or system voltage input.
2. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the On-off signal
（4）It is voltage or switching value according to input type, selects the mode of connection.
3. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the output switch parameter
（5）It is the independent output switch parameter without common port.
4. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the On-off signal
（6）It is voltage or switching value according to input type, selects the mode of connection.
5. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the output switch parameter
（7）It is the independent output switch parameter without common port.
6. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the output switch parameter
（10）It is the output switch parameter with common port.
7. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the output switch parameter
（11）It is the output switch parameter with common port.
8. multi-function motor comprehensive control protector according to claim 1, it is characterised in that the On-off signal
For（12）Input type is the switching value without voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085801.6A CN106849013A (en) | 2017-02-17 | 2017-02-17 | Multi-function motor comprehensive control protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085801.6A CN106849013A (en) | 2017-02-17 | 2017-02-17 | Multi-function motor comprehensive control protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849013A true CN106849013A (en) | 2017-06-13 |
Family
ID=59127834
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085801.6A Pending CN106849013A (en) | 2017-02-17 | 2017-02-17 | Multi-function motor comprehensive control protector |
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| CN (1) | CN106849013A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764550A (en) * | 2009-11-10 | 2010-06-30 | 贵阳永青仪电科技有限公司 | Integrated protection controller for wireless intelligent motor |
| CN201860091U (en) * | 2010-11-25 | 2011-06-08 | 广东雅达电子股份有限公司 | Multiloop low-voltage intelligent motor protection controller |
| CN203180497U (en) * | 2013-04-10 | 2013-09-04 | 浙江魁星电气有限公司 | Motor management controller |
| CN104617555A (en) * | 2015-01-30 | 2015-05-13 | 东北大学 | Intelligent motor protector |
-
2017
- 2017-02-17 CN CN201710085801.6A patent/CN106849013A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764550A (en) * | 2009-11-10 | 2010-06-30 | 贵阳永青仪电科技有限公司 | Integrated protection controller for wireless intelligent motor |
| CN201860091U (en) * | 2010-11-25 | 2011-06-08 | 广东雅达电子股份有限公司 | Multiloop low-voltage intelligent motor protection controller |
| CN203180497U (en) * | 2013-04-10 | 2013-09-04 | 浙江魁星电气有限公司 | Motor management controller |
| CN104617555A (en) * | 2015-01-30 | 2015-05-13 | 东北大学 | Intelligent motor protector |
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Application publication date: 20170613 |
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