CN207766160U - A kind of antenna lifting mechanism frequency conversion control circuit - Google Patents
A kind of antenna lifting mechanism frequency conversion control circuit Download PDFInfo
- Publication number
- CN207766160U CN207766160U CN201820216929.1U CN201820216929U CN207766160U CN 207766160 U CN207766160 U CN 207766160U CN 201820216929 U CN201820216929 U CN 201820216929U CN 207766160 U CN207766160 U CN 207766160U
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- relay
- contact
- limit switch
- button
- frequency converter
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Abstract
The utility model discloses a kind of antenna lifting mechanism frequency conversion control circuits, including frequency converter B P, power supply changeover device POWER, limit switch SQ1, indicator light HL1, fuse FU1, circuit breaker Q F and intermediate relay KA, the frequency converter B P is connected with motor M1.The utility model antenna lifting mechanism frequency conversion control circuit replaces with transducer drive component by the replacement to driving motor component in antenna control cabinet, and original common single-phase motor is changed to phase asynchronous adjustable frequency motor.It since type of drive changes, using the speed-regulating function of frequency converter, realizes and starts and shut down delay so that controlled equipment slowly raises speed, high-speed cruising and slow machine halt.Not only equipment normal operation had been ensured, but also the acceleration and deceleration reduced to equipment are impacted.The wiring of this control cabinet is succinct, easy to operate, is suitable for the control of a variety of antenna lifting mechanisms.
Description
Technical field
The utility model is related to a kind of control circuit, specifically a kind of antenna lifting mechanism frequency conversion control circuit.
Background technology
It is that mechanical contact-type direct drive motor carries out positive and negative rotation operating that traditional antenna control cabinet, which uses, because this
Mode driving motor, instantaneous large-current when motor start-up have very big electromotive force to impact power supply and cable, pair set
It is standby also to there is very big transmission to impact.
Utility model content
The purpose of this utility model is to provide a kind of antenna lifting mechanism frequency conversion control circuits, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of antenna lifting mechanism frequency conversion control circuit, including frequency converter B P, power supply changeover device POWER, limit switch
SQ1, indicator light HL1, fuse FU1, circuit breaker Q F and intermediate relay KA, the frequency converter B P are connected with motor M1, become
Frequency device BP is additionally provided with 5 control lines, wherein three piece-root graftings, toward intermediate relay KA1, KA2, another 2 lines are access to 24V power supplys and centre
Relay KA3, fuse FU1 are connected between 24V power supplys and the AC1 feet of power supply changeover device POWER, power supply changeover device POWER's
The other end of output end V+ connections fuse FU2, fuse FU2 connect button SB3 and indicator light HL3, the other end of button SB3
Connect button SB1, the contact of relay KA1, limit switch SQ1, button SB2, the contact of relay KA2, limit switch SQ2 and
The contact of the other end and relay KA2 of the contact of the other end connection relay KA1 of switch K, button SB1, relay KA2's
The other end of contact connects limit switch SQ1, and limit switch SQ1 is separately connected indicator light HL1 and intermediate relay KA1 coils,
The contact of the other end and relay KA1 of the contact of the other end connection relay KA2 of button SB2, the contact of relay KA1
The other end connects limit switch SQ2, and limit switch SQ2 is separately connected indicator light HL2 and intermediate relay KA2 coils.
Further technical solution as the utility model：The other end connection motor M2 of the intermediate relay KA3.
Compared with prior art, the utility model has the beneficial effects that：The utility model antenna lifting mechanism frequency control
Circuit has the outstanding features such as small, light-weight, energy-efficient, reliability is high.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of antenna lifting mechanism frequency conversion control circuit, including frequency converter B P, power supply changeover device POWER,
Limit switch SQ1, indicator light HL1, fuse FU1, circuit breaker Q F and intermediate relay KA, the frequency converter B P and motor M1 phases
Connection, frequency converter B P is additionally provided with 5 control lines, wherein three piece-root graftings, toward intermediate relay KA1, KA2, another 2 lines are access to 24V power supplys
It is connected between 24V power supplys and the AC1 feet of power supply changeover device POWER with intermediate relay KA3, fuse FU1, power supply changeover device
The other end of output end V+ connections the fuse FU2, fuse FU2 of POWER connect button SB3 and indicator light HL3, button SB3
Other end connection button SB1, the contact of relay KA1, limit switch SQ1, button SB2, the contact of relay KA2, limit
The contact of the other end and relay KA2 of the contact of the other end connection relay KA1 of switch SQ2 and switch K, button SB1, after
The other end of the contact of electric appliance KA2 connects limit switch SQ1, and limit switch SQ1 is separately connected indicator light HL1 and intermediate relay
KA1 coils, the contact of the other end and relay KA1 of the contact of the other end connection relay KA2 of button SB2, relay KA1
The other end of contact connect limit switch SQ2, limit switch SQ2 is separately connected indicator light HL2 and intermediate relay KA2 lines
Circle.
The other end connection motor M2 of intermediate relay KA3.
The operation principle of the utility model is：1. main line
Circuit breaker Q F switches are closed, system power supply does short-circuit protection by fuse FU1 to power circuit；Fuse FU1
3 branches are separated, arrive frequency converter B P, intermediate relay KA3, the one end power conversion module POWER respectively.
The output of frequency converter end is connected to three-phase 220V frequency conversion asynchronous motors, by frequency converter come drive motor operating status,
5 control lines separately are picked out, wherein three piece-root graftings, toward intermediate relay KA1, KA2, another 2 lines are access to power supply 24V and intermediate relay
KA3。
At intermediate relay KA3 output 2 lines to three-phase 220V asynchronous electric drive end unit radiator fans.
The power module POWER other ends control voltage DC24V by conversion, output safety.
2. control circuit
Power conversion module obtains electric, the short-circuit protection by fuse FU2 as control circuit.
Indicator light HL3 is lighted, and indicates that power supply is normal.
SB1 is to rotate forward button in figure, and SB2 is reverse button, and SB3 is to stop key, and SQ1 is to rotate forward limit switch in place,
SQ2 is reversion limit switch in place, and frequency converter rotates forward the break-make of control terminal, KA2 frequency converter reversion controls in order to control to KA1 in order to control
The break-make of terminal processed, KA3 are that frequency converter controls tail portion fan cooling when running.When HL1, HL2 are equipment arrival designated position
Indicator light in place.
3. converter parameter is arranged
By frequency converter operation instructions, setting main control parameters reach controlled equipment such as the setting of Acceleration and deceleration time
It is slow startup and stopping.
Concrete operation step：1. powering on, power turn-on switch（Circuit breaker Q F）, power supply indicator lights.
2. pressing rising button（SB1）, equipment rise, be automatically stopped in place, and light indicator light in place.
3. pressing decline button（SB2）, equipment decline, be automatically stopped in place, and light indicator light in place.
4. equipment is in the process of running, if you need to out of service, it can press and stop key（SB3）, arrestment operation.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (2)
1. a kind of antenna lifting mechanism frequency conversion control circuit, including frequency converter B P, power supply changeover device POWER, limit switch SQ1,
Indicator light HL1, fuse FU1, circuit breaker Q F and intermediate relay KA, which is characterized in that the frequency converter B P and motor M1 phases
Connection, frequency converter B P is additionally provided with 5 control lines, wherein three piece-root graftings, toward intermediate relay KA1, KA2, another 2 lines are access to 24V power supplys
It is connected between 24V power supplys and the AC1 feet of power supply changeover device POWER with intermediate relay KA3, fuse FU1, power supply changeover device
The other end of output end V+ connections the fuse FU2, fuse FU2 of POWER connect button SB3 and indicator light HL3, button SB3
Other end connection button SB1, the contact of relay KA1, limit switch SQ1, button SB2, the contact of relay KA2, limit
The contact of the other end and relay KA2 of the contact of the other end connection relay KA1 of switch SQ2 and switch K, button SB1, after
The other end of the contact of electric appliance KA2 connects limit switch SQ1, and limit switch SQ1 is separately connected indicator light HL1 and intermediate relay
KA1 coils, the contact of the other end and relay KA1 of the contact of the other end connection relay KA2 of button SB2, relay KA1
The other end of contact connect limit switch SQ2, limit switch SQ2 is separately connected indicator light HL2 and intermediate relay KA2 lines
Circle.
2. a kind of antenna lifting mechanism frequency conversion control circuit according to claim 1, which is characterized in that the intermediate relay
The other end connection motor M2 of device KA3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216929.1U CN207766160U (en) | 2018-02-07 | 2018-02-07 | A kind of antenna lifting mechanism frequency conversion control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820216929.1U CN207766160U (en) | 2018-02-07 | 2018-02-07 | A kind of antenna lifting mechanism frequency conversion control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766160U true CN207766160U (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820216929.1U Active CN207766160U (en) | 2018-02-07 | 2018-02-07 | A kind of antenna lifting mechanism frequency conversion control circuit |
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| Country | Link |
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| CN (1) | CN207766160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104266A (en) * | 2020-08-11 | 2020-12-18 | 云南云铝涌鑫铝业有限公司 | Control circuit and control method of direct-current bus isolating switch |
-
2018
- 2018-02-07 CN CN201820216929.1U patent/CN207766160U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104266A (en) * | 2020-08-11 | 2020-12-18 | 云南云铝涌鑫铝业有限公司 | Control circuit and control method of direct-current bus isolating switch |
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