CN203722519U - Intelligent type motor starter - Google Patents
Intelligent type motor starter Download PDFInfo
- Publication number
- CN203722519U CN203722519U CN201320896366.2U CN201320896366U CN203722519U CN 203722519 U CN203722519 U CN 203722519U CN 201320896366 U CN201320896366 U CN 201320896366U CN 203722519 U CN203722519 U CN 203722519U
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- CN
- China
- Prior art keywords
- contactor
- control circuit
- circuit unit
- connects
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
Provided is an intelligent type motor starter. The inner sole surface of a base housing is successively provided with a contactor, a control circuit unit and a work power supply. The power supply input terminal of the contactor is in connection with a three-phase AC power supply; the power supply output terminal of the contactor is in connection with one end of a conductive copper bar; the conductive copper bar is sleeved by a mutual inductor; the other end of the conductive copper bar is in connection with a power supply interface used for an AC motor; the signal input terminal of the contactor is in connection with the control signal output terminal of the control circuit unit; the signal output terminal of the contactor is in connection with the signal input terminal of the control circuit unit; a display unit is arranged above the control circuit unit; the signal input terminal of the display unit is in connection with the signal output terminal of the control circuit unit; the power supply input terminal of the work power supply is in connection with an external power supply; the power supply output terminal is in connection with the power supply input terminal of the control circuit unit. The intelligent type motor starter raises contactor bearing capability based on an original base, has a plurality of protection capabilities, prolongs the service life of a switch and is convenient for networking.
Description
Technical field
The utility model relates to a kind of motor starter.Particularly relate to a kind of intelligent motor starter for Motor Control.
Background technology
At present, have three kinds in Electric Machine Control and protection system, a kind of is the compound mode of circuit breaker, contactor, thermal relay, and the second is the compound mode of motor starter and contactor, and the third is the control protection switch electrical equipment (CPS) of integral type.In actual use, most civil buildings or work are established the city field above, more with CPS product, because protection has certain breaking capacity just passable endways, and integrated structure saving space, easy for installation.In industrial project, most of circuit breaker, contactor, thermal relay or compound mode of motor protecter of adopting.Because very high to the requirement of motor in the field such as oil, chemical industry, corresponding defencive function requires complete, and therefore motor protector is irreplaceable.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of Novel intelligent motor starter that integrates motor protector, contactor and electric instrument is provided.
The technical scheme that the utility model adopts is: a kind of intelligent motor starter, comprise, base shell, on the inner bottom surface of described base shell, be disposed with contactor, control circuit unit, and working power, wherein, the power input of described contactor connects three-phase alternating-current supply, the power output end of contactor connects one end of conducting copper, the upper cover of described electrolytic copper row has instrument transformer, the other end of described conducting copper connects the power interface for alternating current motor, the signal input part of described contactor connects the control signal output of described control circuit unit, the signal output part of described contactor connects the signal input part of described control circuit unit, the top of described control circuit unit is also provided with display unit, the signal input part of described display unit is connected with the signal output part of described control circuit unit, the power input of described working power connects external power source, power output end connects the power input of described control circuit unit.
Described control circuit unit includes the power-supply filter, transformer and the CPU control module that connect successively, wherein, the input of described power-supply filter connects described working power, the signal output part of described CPU control module connects respectively signal input part and the display unit of contactor, the signal input part of described CPU control module connects respectively the signal output part of contactor and the signal that is connected instrument transformer by a filter circuit, and the signal input part of described CPU control module also connects the Voltage-output signal of contactor.
Described control circuit unit also includes the external interface I/O terminal, Long-distance Control binding post and the RS485 binding post that are connected with CPU control module respectively.
Described display unit includes the display module and switch key and the instruction button that connect respectively the control output end of CPU control module in control circuit unit.
Working power one side and by the switch key in wire and display unit and instruction button, external interface I/O terminal, Long-distance Control binding post and RS485 binding post in control circuit unit is connected, for switch key and instruction button, external interface I/O terminal, Long-distance Control binding post and RS485 binding post being guided to the control end interface in base shell outside.
Intelligent motor starter of the present utility model; it is the Novel starter that integrates the traditional element functions such as motor protector, contactor and electric instrument; and improve on the original basis the bearing capacity of contactor; kinds of protect ability, improves the switch intelligent motor starter in useful life.The utility model possesses communication function, is convenient to networking, has long service life, and defencive function is complete, the feature that precision is high.The utility model also has following characteristics:
1, possesses multi-protective function, overload protection, underload protection, rotation-clogging protection, current imbalance, open phase protection, PTC overtemperature protection, earth fault protection, under-voltage protection, overvoltage protection, underpower protection, low-voltage restart function etc.;
2, increased substantially the useful life of switch, and possessed the function of intelligent electric machine protection, with communication module, networking is convenient;
3, in original operating mechanism, added driver module, realized and exchange adhesive, direct current keeps, and has improved the bearing capacity of starter, operation breaking capacity 16Ie.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the utility model internal structure schematic diagram;
Fig. 3 is the utility model schematic block circuit diagram;
Fig. 4 is the structural representation of the utility model base shell;
Fig. 5 is the structural representation that Fig. 1 removes display unit;
Fig. 6 is the structural representation of the utility model display unit.
1: contactor 2: instrument transformer
3: control circuit unit 4: display unit
5: base shell 6: working power
7: conducting copper 8: power output interface
9: control end interface 31: power-supply filter
32: transformer 33:CPU control module
41: display module 42: switch key and instruction button
43: external interface I/O terminal 44: Long-distance Control binding post
45:RS485 binding post
Embodiment
Below in conjunction with embodiment and accompanying drawing, intelligent motor starter of the present utility model is described in detail.
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, intelligent motor starter of the present utility model, comprise, base shell 5, on the inner bottom surface of described base shell 5, be disposed with contactor 1, control circuit unit 3, and working power 6 for circuit, wherein, described contactor is selected Siemens 3TF series, also can select domestic CJX1 series, the power input of described contactor 1 connects three-phase alternating-current supply, the power output end of contactor 1 connects one end of conducting copper 7, on described electrolytic copper platform 7, cover has instrument transformer 2, the other end of described conducting copper 7 connects for the power output interface 8 to motor M power supply, the signal input part of described contactor 1 connects the control signal output of described control circuit unit 3, the signal output part of described contactor 1 connects the signal input part of described control circuit unit 3, the top of described control circuit unit 3 is also provided with display unit 4, the signal input part of described display unit 4 is connected with the signal output part of described control circuit unit 3, the power input of described working power 6 connects external power source, power output end connects the power input of described control circuit unit 3.
As shown in Figure 2 and Figure 3, described control circuit unit 3 includes the power-supply filter 31, transformer 32 and the CPU control module 33 that connect successively, and it is the single-chip microcomputer of PIC18F series or the chip of Atmel64 series monolithic that described CPU control module 33 can be selected model.Wherein, the input of described power-supply filter 31 connects described working power 6, the signal output part of described CPU control module 33 connects respectively signal input part and the display unit 4 of contactor 1, the signal input part of described CPU control module 33 connects respectively the signal output part of contactor 1 and the signal that is connected instrument transformer 2 by a filter circuit 34, and the signal input part of described CPU control module 33 also connects the Voltage-output signal of contactor 1.
Described control circuit unit 3 also includes the external interface I/O terminal 35, Long-distance Control binding post 36 and the RS485 binding post 37 that are connected with CPU control module 33 respectively.
As shown in Fig. 6, Fig. 3, described display unit 4 includes the display module 41 and switch key and the instruction button 42 that connect respectively the control output end of CPU control module 33 in control circuit unit 3.
As shown in Figure 1, also be provided with and be arranged in a side of working power 6 switch key by wire and display unit 4 and instruction button 42, external interface I/O terminal 35, Long-distance Control binding post 36 and RS485 binding post 37 in control circuit unit 3 are connected, for switch key and instruction button 42, external interface I/O terminal 35, Long-distance Control binding post 36 and RS485 binding post 37 being guided to the control end interface 9 in base shell 5 outsides.
The working method of intelligent motor starter of the present utility model: by instrument transformer collecting unit, repeatedly Quick Acquisition three-phase voltage, current value, judges output by CPU, drives contactor work, realizes starting stopping control etc.
The technical indicator of intelligent motor starter of the present utility model:
1, input voltage: input range: AC0-690V; Rated voltage: 100V, 380V, 660V
2, input current: input current: be less than 32A
3, incoming frequency: input range: 45-55Hz; Rated frequency: 50Hz
4, Long-distance Control: 1 road 220VAC input; 1 road 24V input; 1 way switch amount input
5, relay output: 1 group of switching node output
6, working power: exchange: AC220V ± 15%; Power consumption: be less than 5W
7, certainty of measurement: 1.0 grades
8, specified frame size electric current: 32A
9, ultimate breaking capacity: Ics=25KA; Icu=50KA
10, dielectricity: Uimp=6KV
11, duty: intermittent duty: frequency of operation: 300 times/h on-load factor: 40%.
Claims (5)
1. an intelligent motor starter, comprise, base shell (5), it is characterized in that, on the inner bottom surface of described base shell (5), be disposed with contactor (1), control circuit unit (3), and working power (6), wherein, the power input of described contactor (1) connects three-phase alternating-current supply, the power output end of contactor (1) connects one end of conducting copper (7), the upper cover of described electrolytic copper row (7) has instrument transformer (2), the other end of described conducting copper (7) connects the power interface (8) for alternating current motor, the signal input part of described contactor (1) connects the control signal output of described control circuit unit (3), the signal output part of described contactor (1) connects the signal input part of described control circuit unit (3), the top of described control circuit unit (3) is also provided with display unit (4), the signal input part of described display unit (4) is connected with the signal output part of described control circuit unit (3), the power input of described working power (6) connects external power source, power output end connects the power input of described control circuit unit (3).
2. intelligent motor starter according to claim 1, it is characterized in that, described control circuit unit (3) includes the power-supply filter (31) connecting successively, transformer (32) and CPU control module (33), wherein, the input of described power-supply filter (31) connects described working power (6), the signal output part of described CPU control module (33) connects respectively signal input part and the display unit (4) of contactor (1), the signal input part of described CPU control module (33) connects respectively the signal output part of contactor (1) and the signal that is connected instrument transformer (2) by a filter circuit (34), the signal input part of described CPU control module (33) also connects the Voltage-output signal of contactor (1).
3. intelligent motor starter according to claim 1 and 2, it is characterized in that, described control circuit unit (3) also includes the external interface I/O terminal (35), Long-distance Control binding post (36) and the RS485 binding post (37) that are connected with CPU control module (33) respectively.
4. intelligent motor starter according to claim 1, it is characterized in that, described display unit (4) includes the display module (41) and switch key and the instruction button (42) that connect respectively the control output end of CPU control module (33) in control circuit unit (3).
5. intelligent motor starter according to claim 1, it is characterized in that, working power (6) one sides and by the switch key in wire and display unit (4) and instruction button (42), external interface I/O terminal (35) in control circuit unit (3), Long-distance Control binding post (36) and RS485 binding post (37) are connected, be used for switch key and instruction button (42), external interface I/O terminal (35), Long-distance Control binding post (36) and RS485 binding post (37) are guided to the control end interface (9) in base shell (5) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896366.2U CN203722519U (en) | 2013-12-31 | 2013-12-31 | Intelligent type motor starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320896366.2U CN203722519U (en) | 2013-12-31 | 2013-12-31 | Intelligent type motor starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722519U true CN203722519U (en) | 2014-07-16 |
Family
ID=51161639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320896366.2U Expired - Fee Related CN203722519U (en) | 2013-12-31 | 2013-12-31 | Intelligent type motor starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262052A (en) * | 2015-12-01 | 2016-01-20 | 商晓 | Intelligent motor protector without external power source |
| CN105337258A (en) * | 2015-12-01 | 2016-02-17 | 商晓 | Integrated intelligent motor protector without external power source |
-
2013
- 2013-12-31 CN CN201320896366.2U patent/CN203722519U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262052A (en) * | 2015-12-01 | 2016-01-20 | 商晓 | Intelligent motor protector without external power source |
| CN105337258A (en) * | 2015-12-01 | 2016-02-17 | 商晓 | Integrated intelligent motor protector without external power source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |