CN206117553U - Motor phase sequence self -adjusting controlling means - Google Patents
Motor phase sequence self -adjusting controlling means Download PDFInfo
- Publication number
- CN206117553U CN206117553U CN201621007097.XU CN201621007097U CN206117553U CN 206117553 U CN206117553 U CN 206117553U CN 201621007097 U CN201621007097 U CN 201621007097U CN 206117553 U CN206117553 U CN 206117553U
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- China
- Prior art keywords
- phase sequence
- relay
- contact
- contactor
- circuit
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- 238000000819 phase cycle Methods 0.000 title claims abstract description 86
- 230000001012 protector Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 208000033999 Device damage Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Control Of Ac Motors In General (AREA)
- Motor And Converter Starters (AREA)
Abstract
The utility model discloses a motor phase sequence self -adjusting controlling means comprises direct current starting circuit, phase sequence detection circuit, phase sequence automatic control circuit, the utility model discloses a phase sequence relay protection ware, the normally open contact of the rela, motor phase sequence self -adjusting controlling means is formed to components such as contactor, it can automated inspection output to need not manual operation, have and detect swiftly, moreover, the steam generator is simple in structure, advantages such as safe and reliable, can accurately detect the three -phase AC power supply phase sequence fast, the automatic adjustment and the control of phase sequence have been realized, can guarantee that the motor turns to according to the direction of technological requirement and normally work steadily, the hole digging device has a simple structure, operation automation, safety and reliability, specially adapted water pump motor etc. Forbids the occasion that reverse phase sequence appears.
Description
Technical field
This utility model belongs to motor phase sequence control field, more particularly to a kind of motor phase sequence self-adjusting control device.
Background technology
Steering when three phase alternating current motor runs is determined by the phase sequence of the three-phase alternating-current supply powered, in many occasions,
For some equipment only allow single direction rotation, if phase sequence inversely will result directly in device damage, or even cause security incident.And
It is most only to adjust the three-phase phase-sequence of motor power inlet wire in equipment debugging in the application of current three phase alternating current motor
It is whole to the state for meeting equipment service requirement, when the phase sequence of the power supply for accessing changes, the equipment of normal operation usually cannot be right
It carries out automatic discrimination and correction, causes equipment to deviate normal working condition or abnormal failure occur.Although having invented three
Cross streams power phase identifying apparatus, but how to be adjusted according to the phase sequence for picking out, make the steering of three phase alternating current motor all the time
Keep constant, do not affected but to fail always to solve by power supply phase sequence.
Utility model content
For above-mentioned problem of the prior art, there is provided a kind of efficient motor phase sequence self-adjusting control device, the device
Requirement whether can not only be met to the phase sequence of three-phase alternating-current supply to be identified, and can be when three-phase alternating-current supply phase sequence is reverse certainly
It is dynamic that phase sequence is adjusted to meet desired forward phase sequence.
The technical scheme that this utility model is provided：
A kind of motor phase sequence self-adjusting control device, by direct current start-up circuit, circuit of testing the phase sequence, phase sequence electricity is automatically controlled
Road constitutes, and the direct current start-up circuit is made up of relay K1, activate switch S1, display lamp E1, and the one of activate switch S1
Individual contact is connected with the positive pole of 24VDC power supplys, another contact of activate switch S1 and relay K1, one of display lamp E1 touch
Point is connected, and another contact of relay K1 is connected with another contact of display lamp E1, and while the negative pole with 24VDC power supplys
It is connected, by operating activate switch S1 the working condition of whole device and the start and stop of motor is can control；The phase sequence is controlled automatically
Circuit processed is made up of circuit breaker Q F, time relay JS1, A.C. contactor K6, A.C. contactor K7, and circuit breaker Q F arranges three
Contact a, contact of circuit breaker Q F is connected with 380VAC power supplys, and a contact of circuit breaker Q F is normal with A.C. contactor K6
Close one end of auxiliary contact, one end of the normally opened auxiliary contact of relay K1, one end of the AC coil of K6 to be connected, circuit breaker Q F
Another contact is while the normally opened contact, the normally opened contact of A.C. contactor K7 and phase sequence relay XJ3- with A.C. contactor K6
The input of G is connected, and A.C. contactor K6, the other end of A.C. contactor K7 normally opened contacts are while the input phase with motor
Even；The other end of the normally opened auxiliary contact of relay K1 is connected with time relay JS1；The circuit of testing the phase sequence is by independent phase
Sequence relay protector XJ3-G is constituted, and the contact 5 of phase sequence relay XJ3-G is connected with the AC coil of A.C. contactor K6, and phase
The contact 6 of sequence protector XJ3-G is connected with the other end of the normally opened auxiliary contact of relay K1.
This utility model is using the composition motor phase sequence self-adjusting control of the elements such as phase sequence relay protector, relay, catalyst
Device processed, without the need for artificial operation can automatic detection output, with detection is quick, simple structure, the advantage such as safe and reliable, can be fast
Speed detects exactly three-phase alternating-current supply phase sequence, realizes adjust automatically and the control of phase sequence, it is ensured that motor will according to technique
Work, apparatus structure is simple, and operation automation is safe and reliable the directional steering normal table asked, be particularly well-suited to water pump electricity
Machine etc. does not allow the occasion for reverse phase sequence occur.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is this utility model structural representation.
Fig. 2 is utility model works principal diagram intention.
Wherein:1st, direct current start-up circuit；2nd, circuit of testing the phase sequence；3rd, phase sequence automatic control circuit；4th, phase sequence relay；5、
Three phase alternating current motor；6th, A.C. contactor；7th, chopper.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of this utility model, rather than the embodiment of whole.Based on this practicality
Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of this utility model protection is belonged to.
As a kind of motor phase sequence self-adjusting control device shown in embodiment.
According to Fig. 1, a kind of motor phase sequence self-adjusting control device is connected to three-phase alternating-current supply and three-phase alternating current
Between machine, it is made up of direct current start-up circuit, circuit of testing the phase sequence, phase sequence automatic control circuit.
Direct current start-up circuit is used to start whole device, three-phase input end and the three-phase alternating-current supply of circuit of testing the phase sequence
Three-phase be connected, outfan is connected with phase sequence automatic control circuit, can automatic identification three-phase alternating-current supply phase sequence correctness, and
Provide judged result.Phase sequence automatic control circuit is connected with circuit of testing the phase sequence and three phase alternating current motor, works as three-phase alternating-current supply
When phase sequence is correct, phase sequence automatic control circuit does not adjust to the phase sequence of three-phase alternating current and directly feeds three phase alternating current motor；When three
When cross streams power phase malfunctions, the testing result of phase sequence is sent to phase sequence control circuit by circuit of testing the phase sequence, and phase sequence is automatic
Control circuit is corrected three-phase alternating-current supply phase sequence after judged result is received and is exported to motor, ensures motor according to solid with this
Fixed direction operating.
According to Fig. 2, direct current start-up circuit is made up of relay K1, activate switch S1, display lamp E1, is opened by operation
Close S1 and can control the working condition of whole device and the start and stop of motor.Phase sequence automatic control circuit by circuit breaker Q F, the time after
Electrical equipment JS1, A.C. contactor K6, the related auxiliary contact composition of A.C. contactor K7 and K1, JS1, K6, K7, Phase sequence detection electricity
The independent phase sequence relay protector XJ3-G of route is constituted.
Direct current start-up circuit is made up of relay K1, activate switch S1, display lamp E1, a contact of activate switch S1 with
The positive pole of 24VDC power supplys is connected, and another contact of activate switch S1 is connected with a contact of relay K1, display lamp E1,
Another contact of relay K1 is connected with another contact of display lamp E1, and while be connected with the negative pole of 24VDC power supplys, leads to
Cross operation activate switch S1 and can control the working condition of whole device and the start and stop of motor.
Phase sequence automatic control circuit is by circuit breaker Q F, time relay JS1, A.C. contactor K6, A.C. contactor K7 groups
Into circuit breaker Q F arranges three contacts, and a contact of circuit breaker Q F is connected with 380VAC power supplys, a contact of circuit breaker Q F
One end, one end of the normally opened auxiliary contact of relay K1, the AC coil of K6 with the normally closed auxiliary contact of A.C. contactor K6
One end is connected, another contact of circuit breaker Q F simultaneously with the normally opened contact of A.C. contactor K6, A.C. contactor K7 it is normally opened
Contact is connected with the input of phase sequence relay XJ3-G, A.C. contactor K6, A.C. contactor K7 normally opened contacts the other end it is same
When be connected with the input of motor；The other end of the normally opened auxiliary contact of relay K1 is connected with time relay JS1.
Circuit of testing the phase sequence is made up of independent phase sequence relay protector XJ3-G, the He of contact 5 of phase sequence relay XJ3-G
The AC coil of A.C. contactor K6 is connected, and the contact 6 of phase sequence relay XJ3-G is another with the normally opened auxiliary contact of relay K1
One end is connected.
Activate switch S2 is pressed, relay K1 is connected, the normally opened auxiliary contact closure of K1 connects control circuit, indicates
Lamp E2 is lit, and points out motor to have been turned on, and represents that device is in running order.U, V, W are that device needs output to three-phase alternating current
The correct phase sequence of motor, the XJ3-G after device startup in circuit of testing the phase sequence is judged three-phase alternating-current supply phase sequence automatically.
When being input into three-phase alternating-current supply phase sequence and being correct (forward), the normally opened auxiliary contact K1 in phase sequence control circuit is closed
Close, time relay JS1 is connected, JS1 normally opened contacts postpone to be closed after 3s, and A.C. contactor obtains electric K7 and is switched on, while K7
Normally opened contact is closed, and three-phase alternating-current supply is directly output to phase sequence automatic control circuit three ends of three-phase alternating-current supply, three-phase
The phase sequence of alternating current power supply does not change, and three phase alternating current motor is rotated forward.
When input three-phase alternating-current supply phase sequence be incorrect order when (reverse), XJ3-G automatically detect phase sequence do not meet want
Ask, immediately action, close the switch between terminals 5,6, K6 moments obtain electric adhesive, the normally opened contact K6 in control circuit breaks
Open, A.C. contactor K7 dead electricity disconnects, phase sequence automatic control circuit is controlled after testing result is received, contact point K7 disconnects,
Contact point K6 is connected, and wherein two of three-phase alternating-current supply is exchanged, then by the three-phase alternating-current supply phase sequence after exchange
It is supplied to three phase alternating current motor, three phase alternating current motor equally to rotate forward, with the normal work that this ensures three phase alternating current motor, presses
Operate according to fixed direction.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (1)
1. a kind of motor phase sequence self-adjusting control device, it is characterised in that：A kind of motor phase sequence self-adjusting control device, by direct current
Start-up circuit, circuit of testing the phase sequence, phase sequence automatic control circuit composition, the direct current start-up circuit is opened by relay K1, startup
S1, display lamp E1 composition is closed, a contact of activate switch S1 is connected with the positive pole of 24VDC power supplys, activate switch S1
Another contact is connected with a contact of relay K1, display lamp E1, another contact of relay K1 and display lamp E1's
Another contact is connected, and while be connected with the negative pole of 24VDC power supplys, by operating the i.e. controllable whole device of activate switch S1
Working condition and motor start and stop；The phase sequence automatic control circuit is by circuit breaker Q F, time relay JS1, ac contactor
Device K6, A.C. contactor K7 are constituted, and circuit breaker Q F arranges three contacts, a contact and the 380VAC power supply phases of circuit breaker Q F
Even, one end, the normally opened auxiliary contact of relay K1 of a contact of circuit breaker Q F and the normally closed auxiliary contact of A.C. contactor K6
One end, one end of the AC coil of K6 be connected, another contact of circuit breaker Q F is touched with the normally opened of A.C. contactor K6 simultaneously
Point, the normally opened contact of A.C. contactor K7 are connected with the input of phase sequence relay XJ3-G, A.C. contactor K6, ac contactor
The other end of device K7 normally opened contacts is connected with the input of motor simultaneously；The other end of the normally opened auxiliary contact of relay K1 and when
Between relay JS1 be connected；The circuit of testing the phase sequence is made up of independent phase sequence relay protector XJ3-G, phase sequence relay
The contact 5 of XJ3-G is connected with the AC coil of A.C. contactor K6, and the contact 6 of phase sequence relay XJ3-G is normal with relay K1
The other end for driving auxiliary contact is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007097.XU CN206117553U (en) | 2016-08-30 | 2016-08-30 | Motor phase sequence self -adjusting controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007097.XU CN206117553U (en) | 2016-08-30 | 2016-08-30 | Motor phase sequence self -adjusting controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206117553U true CN206117553U (en) | 2017-04-19 |
Family
ID=58516029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621007097.XU Expired - Fee Related CN206117553U (en) | 2016-08-30 | 2016-08-30 | Motor phase sequence self -adjusting controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206117553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957155A (en) * | 2018-06-28 | 2018-12-07 | 格力电器（武汉）有限公司 | Method and tool for automatically detecting target object |
-
2016
- 2016-08-30 CN CN201621007097.XU patent/CN206117553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957155A (en) * | 2018-06-28 | 2018-12-07 | 格力电器（武汉）有限公司 | Method and tool for automatically detecting target object |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 |