CN205212734U - A soft start control case - Google Patents
A soft start control case Download PDFInfo
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- CN205212734U CN205212734U CN201520929029.8U CN201520929029U CN205212734U CN 205212734 U CN205212734 U CN 205212734U CN 201520929029 U CN201520929029 U CN 201520929029U CN 205212734 U CN205212734 U CN 205212734U
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- control cabinet
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Abstract
The utility model relates to a soft start field discloses a soft start control case, include power, circuit breaker, ac contactor, at least one soft start body, two at least soft start contactors and the power frequency contactor that equals rather than quantity, a power supply, circuit breaker and ac contactor's input connects gradually, ac contactor's the output and the input of at least one soft start body are connected, the output and the input of two at least soft start contactors of a soft start body are connected, an external motor of output difference of every starting contactor, the input of a soft start body still is connected with the input of two at least power frequency contactors, the output of every power frequency contactor is connected with the output of a soft start contactor respectively. Compared with the prior art, the utility model discloses the soft start of separate unit or many motors can be realized under the prerequisite of only using a soft start control case, the input cost is practiced thrift.
Description
Technical field
The utility model relates to soft start field, particularly a kind of soft start control cabinet.
Background technology
Soft start control cabinet operation principle in current explosion-proof industry is as shown in Figure 1: after power supply enters, close circuit breaker F, closes A.C. contactor KM1 rear motor M1 by start button and enter soft start-up process; Control bypass contactor KM2 by soft start body U1 internal processes after soft start completes to close, enter bypass.
The soft start that this control cabinet this can only carry out single motor controls, function singleness, cannot adapt to on-the-spot flexible and changeable industry control environment; Screen size is little, is unfavorable for that monitoring is observed; Data just reflect the related datas such as current of electric, voltage and electrical network, can not carry out relevant control operation; Can not the data such as collection site motor temperature rotating speed, the so just safe operation of unfavorable motor;
Simultaneously can not other I/O signals of collection site and analog signals (4-20mA), cannot realize that some are simple excessively program control.
Utility model content
utility model object:for problems of the prior art, the utility model provides a kind of soft start control cabinet, can realize the soft start of separate unit or multiple electric motors under the prerequisite only using a soft start control cabinet, saves input cost.
technical scheme:the utility model provides a kind of soft start control cabinet, comprises power supply, circuit breaker, A.C. contactor, at least one soft start body, at least two soft start contactors and the power frequency contactor equal with described soft start contactor quantity, wherein, described power supply, described circuit breaker is connected successively with the input of described A.C. contactor, the output of described A.C. contactor is connected with the input of soft start body described at least one, the output of a described soft start body is connected with the input of at least two described soft start contactors, an output external motor respectively of each described soft start contactor, the input of the input of a described soft start body also power frequency contactor described with at least two is connected, the output of the output of each described power frequency contactor soft start contactor described with is respectively connected.
Further, described soft start control cabinet also comprises fuse, and the output of described A.C. contactor is connected with the input of soft start body described at least one by described fuse.Fuse can protect the safe operation of soft start body.
Further, described soft start control cabinet also comprises the protector equal with described soft start contactor quantity, and the output of each described soft start contactor is respectively by an external motor of described protector.Protector is for the protection of the safe operation of motor.
Further, described soft start control cabinet also comprises PLC, and described PLC is connected with the communication of each described soft start body by holding wire.The data of soft start body can be gathered and other signals on-the-spot complete specific function as water lev el control, Stress control, temperature control etc. by PLC; Also simple sequential control task can be realized.
Further, described PLC is also connected with each described motor by holding wire.Just can the real time data such as the temperature of monitoring site multiple electric motors and rotating speed after PLC is connected with motor, while also can gather various signal as digital quantity and analog quantity, be beneficial to the safe operation of motor.
Further, described PLC is also by netting twine or intelligent acess external ethernet network.Factory's central station of floating dock can by Ethernet and PLC communication, and communication transfer speed is high, is convenient to remote monitoring field apparatus situation.
Further, described soft start control cabinet also comprises human-computer interaction interface, and described human-computer interaction interface is connected with described PLC communication by holding wire; Preferred described human-computer interaction interface is touch-screen.Human-computer interaction interface can people for carrying out various operation, such as manually carry out inputting various data and order etc.,
beneficial effect:in soft start control cabinet in the utility model, a soft start body can carry out soft start and power frequency operation to one or more at a distance of nearer motor successively, compared with needing a soft start control cabinet with a motor in prior art, greatly save input cost, simultaneously can also the various I/O signal of collection site.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of soft start control cabinet in prior art;
Fig. 2 is the internal structure schematic diagram of soft start control cabinet in the utility model;
Fig. 3 is the operation principle schematic diagram of soft start control cabinet in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
Present embodiments provide for a kind of soft start control cabinet, as shown in Figure 2, mainly comprise power supply (not shown), circuit breaker (F1), A.C. contactor (KM1), fuse (FU), a soft start body (U1), two soft start contactors (KM2 and KM4), two power frequency contactors (KM3 and KM5) and two protectors (FR1 and FR2), wherein, power supply, the input of F1 with KM1 is connected successively, the output of KM1 is connected by the input of FU and U1, the output of U1 is connected side by side with the input of KM2 and KM4, the output of KM2 and KM4 is respectively by each external motor M 1 of FR1 and FR2 and M2, meanwhile, the input of U1 is also connected with the input of KM3 and KM5, and the output of KM3 with KM5 is connected with the output of KM2 and KM4 again.For convenience of description, in present embodiment only only to comprise a soft start body in a soft start control cabinet, two soft start contactors, two power frequency contactors and two protectors are described.
The operation principle of present embodiment is as follows:
After power supply enters, closed F1, after then closing KM1 and KM2 by start button, enters soft start-up process by U1, M1, and after M1 soft start completes, KM2 disconnects, and by U1 internal processes control KM3 adhesive, and then M1 realizes power frequency operation; Then KM4 closes, and M2 enters soft start-up process, and after M2 soft start completes, KM4 disconnects, U1 internal processes control KM5 adhesive, and then M2 realizes power frequency operation.
Visible by above-mentioned operation principle, the utility model only need increase the soft start successively that a loop just can realize two motors on the basis of existing soft start control cabinet, in like manner, if increase by two loops, the soft start successively of three motors can be realized, the like; Greatly save input cost.
It is worth mentioning that, in order to the collection to soft start body interior data can be realized, complete the control task controlling each loop of soft start body interior, also can receive the signal from scene simultaneously, present embodiment can connect a PLC by holding wire to the communication of soft start body, as Fig. 3, this PLC can by netting twine or optical fiber and ethernet communication so that in factory's central station of floating dock remote monitoring field apparatus; If be connected with each motor communication by this PLC by holding wire, then this PLC can also the parameter such as operating temperature and rotating speed of each motor of Real-time Collection, to ensure that motor is in safe running environment; In addition, the human-computer interaction interface HMI being connected a touch-screen by holding wire to PLC communication can also be given, so that monitoring site device parameter and artificial input data or order in real time.
Above-mentioned execution mode, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, all should be encompassed within protection range of the present utility model.
Claims (8)
1. a soft start control cabinet, is characterized in that, comprises power supply, circuit breaker, A.C. contactor, at least one soft start body, at least two soft start contactors and the power frequency contactor equal with described soft start contactor quantity, wherein, described power supply, described circuit breaker is connected successively with the input of described A.C. contactor, the output of described A.C. contactor is connected with the input of soft start body described at least one, the output of a described soft start body is connected with the input of at least two described soft start contactors, an output external motor respectively of each described soft start contactor, the input of the input of a described soft start body also power frequency contactor described with at least two is connected, the output of the output of each described power frequency contactor soft start contactor described with is respectively connected.
2. soft start control cabinet according to claim 1, is characterized in that, also comprise fuse, and the output of described A.C. contactor is connected with the input of soft start body described at least one by described fuse.
3. soft start control cabinet according to claim 1, is characterized in that, also comprises the protector equal with described soft start contactor quantity, and the output of each described soft start contactor is respectively by an external motor of described protector.
4. soft start control cabinet according to any one of claim 1 to 3, is characterized in that, also comprise PLC, and described PLC is connected with the communication of each described soft start body by holding wire.
5. soft start control cabinet according to claim 4, is characterized in that, described PLC is also connected with each described motor by holding wire.
6. soft start control cabinet according to claim 4, is characterized in that, described PLC is also by netting twine or intelligent acess external ethernet network.
7. soft start control cabinet according to claim 4, is characterized in that, also comprise human-computer interaction interface, and described human-computer interaction interface is connected with described PLC communication by holding wire.
8. soft start control cabinet according to claim 7, is characterized in that, described human-computer interaction interface is touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929029.8U CN205212734U (en) | 2015-11-20 | 2015-11-20 | A soft start control case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929029.8U CN205212734U (en) | 2015-11-20 | 2015-11-20 | A soft start control case |
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| Publication Number | Publication Date |
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| CN205212734U true CN205212734U (en) | 2016-05-04 |
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| CN201520929029.8U Active CN205212734U (en) | 2015-11-20 | 2015-11-20 | A soft start control case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305887A (en) * | 2015-11-20 | 2016-02-03 | 上海凯伟电气设备有限公司 | Soft start control box |
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2015
- 2015-11-20 CN CN201520929029.8U patent/CN205212734U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305887A (en) * | 2015-11-20 | 2016-02-03 | 上海凯伟电气设备有限公司 | Soft start control box |
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