CN209402447U

CN209402447U - Novel variable-frequency vibrating spear control circuit

Info

Publication number: CN209402447U
Application number: CN201821748422.7U
Authority: CN
Inventors: 吴昊; 薛兴亮; 吕磊; 赵慧
Original assignee: Sinohydro Bureau 11 Co Ltd
Current assignee: Sinohydro Bureau 11 Co Ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2019-09-17
Anticipated expiration: 2028-10-26

Abstract

The utility model provides a kind of Novel variable-frequency vibrating spear control circuit, including transducer control circuit and vibrate circuit for controlling motor and main control circuit, wherein, electric time delay relay is obtained including first in main control circuit, second obtains electric time delay relay, first power loss time delay relay, second power loss time delay relay, first start button, second start button, first stop button, second stop button, three-level breaker, multiple A.C. contactors, multiple three-level electrothermal relays, multiple A.C. contactors, pass through button in circuit, first to start frequency converter when realizing starting, automatic time delay starts vibrating spear motor M again for each device cooperation such as the time relay₁、M₂, when stopping first stopping vibrating spear motor M₁、M₂Automatic time delay stops frequency converter again, manipulates convenient for operator, and can effectively avoid causes frequency converter to damage because operator's operation is lack of standardization, effectively extends the service life of frequency converter.

Description

Novel variable-frequency vibrating spear control circuit

Technical field

The utility model relates to frequency conversion vibrating spear technical fields, in particular to a kind of novel vibrating spear control circuit.

Background technique

The jolt ramming that vibrating spear carries out concrete is commonly used in construction site, and especially Hydroelectric Project Construction building site use is more frequent. Need to come according to operating instruction start and stop vibrating spear and frequency converter during using vibrating spear, but since operator recognizes frequency converter Know the insufficient damage that often will cause frequency converter with half-hearted operation, just serves electricity to frequency converter when such as starting, just give and shake at once It smashes motor and closes breaker, after the completion of the jolt ramming of concrete, also do not close the motor that vibrates first in sequence and turn off frequency conversion Device, but first close frequency converter and turn off the motor that vibrates, the dash current that frequency converter is subject to is larger to cause frequency converter to be easy to damage Bad, after frequency converter damage, people can not carry on the back these small machines, only be hung using crane to ground, then will be repaired with crane Good frequency converter hangs in storehouse number, has delayed a large amount of quality time in this way, and especially big storehouse number, summer sweltering heat concrete are easy to initial set, Immeasurable loss is brought to construction production.

Utility model content

The utility model is based at least one above-mentioned technical problem, proposes a kind of new Novel variable-frequency vibrating spear control Circuit processed manipulates convenient for operator, and can effectively avoid causes frequency converter to damage because operator's operation is lack of standardization, effectively extends change The service life of frequency device.

In view of this, according to the utility model proposes a kind of Novel variable-frequency vibrating spear control circuits, including frequency converter control Circuit processed and vibrate circuit for controlling motor, the transducer control circuit include the first three-level breaker, the first A.C. contactor, First three-level electrothermal relay and frequency converter, the circuit for controlling motor that vibrates, including the first vibrating spear motor control branch and Two vibrating spear circuit control branches, the first vibrating spear motor control branch connect including the second three-level breaker, the second exchange Tentaculum, the second three-level electrothermal relay and the first vibrating spear motor, the second vibrating spear circuit control branch includes third three-level Breaker, third A.C. contactor, third three-level electrothermal relay and the second vibrating spear motor；Main control circuit, including transformer And three-phase alternating-current supply, the 4th three-level breaker are accessed in the 4th three-level breaker, one end of the 4th three-level breaker The other end be separately connected the first primary input terminal and the second primary input terminal and the second three-level electrothermal relay of transformer Normally closed interlock one end, the normally closed interlock other end of the second three-level electrothermal relay be connected to first electric delay time relay Timing closing normally opened contact one end of device, the described first timing closing normally opened contact other end for obtaining electric time delay relay connect It is connected to coil one end of second A.C. contactor, the coil other end of second A.C. contactor is connected to described first Primary input terminal, the normally closed interlock other end of the third three-level electrothermal relay are connected to second and obtain electric time delay relay Timing closing normally opened contact one end, the described second timing closing normally opened contact other end for obtaining electric time delay relay are connected to Coil one end of the third A.C. contactor, it is primary that the coil other end of the third A.C. contactor is connected to described first Input terminal, the normally closed interlock other end of the first three-level electrothermal relay are connected to the delay of the first power loss time delay relay Normally opened contact one end is disconnected, the delay disconnection normally opened contact other end of the first power loss time delay relay is connected to described Coil one end of first A.C. contactor, it is in parallel respectively that the delay of the second power loss time delay relay disconnects normally opened contact both ends Normally opened contact both ends are disconnected in the delay of the first power loss time delay relay, the coil of first A.C. contactor is another One end is connected to first primary input terminal；

First secondary output end of the transformer is respectively connected to one end and the second stop button of the first stop button One end, the other end of first stop button is connected to one end of the first start button, first start button it is another One end is connected to described first coil one end for obtaining electric time delay relay, and described first obtains the line of electric time delay relay The circle other end is connected to the second subprime output end of the transformer, and described first obtains the instantaneous normally opened of electric time delay relay Contact both ends are connected in parallel to first start button both ends, and the coil both ends of the first power loss time delay relay are connected in parallel to Described first obtains the both ends of electric time delay relay coil,

The other end of second stop button is connected to one end of the second start button, second start button it is another One end is connected to described second coil one end for obtaining electric time delay relay, and described second obtains the line of electric time delay relay The circle other end is connected to the second subprime output end of the transformer, and described second obtains the instantaneous normally opened of electric time delay relay Contact both ends are connected in parallel to second start button both ends, and the coil both ends of the second power loss time delay relay are connected in parallel to Described second obtains the both ends of electric time delay relay coil.

In the above-mentioned technical solutions, it is preferable that one end of the first three-level breaker connects three-phase alternating-current supply, described The other end of first three-level breaker is connected to one end of the main normally opened contact of first A.C. contactor, first exchange The other end of the main normally opened contact of contactor is connected to thermal element one end of the first three-level electrothermal relay, first exchange The other end of the main normally opened contact of contactor is connected to one end of the frequency converter；One end of the second three-level breaker connects The other end of the frequency converter, the master that the other end of the second three-level breaker is connected to second A.C. contactor are normally opened One end of contact, the other end of the main normally opened contact of second A.C. contactor are connected to the second three-level electrothermal relay Thermal element one end, the other end of the main normally opened contact of second A.C. contactor are connected to the first vibrating spear motor；Institute The one end for stating third three-level breaker connects the other end of the frequency converter, and the other end of the third three-level breaker is connected to The other end of one end of the main normally opened contact of the third A.C. contactor, the main normally opened contact of the third A.C. contactor connects It is connected to thermal element one end of the third three-level electrothermal relay, the other end of the main normally opened contact of the third A.C. contactor connects It is connected to the second vibrating spear motor.

In any of the above-described technical solution, it is preferable that the three-phase alternating-current supply is 380V voltage, and the transformer is used In by 380V voltage step-down be 36V voltage.

In the technical scheme, high pressure 380V is 36 safe voltages through transformer pressure-reducing, improves operator and manipulates process In safety.

It by above technical scheme, is manipulated convenient for operator, can effectively avoid leads to frequency conversion because operator's operation is lack of standardization Device damage, effectively extends the service life of frequency converter.

Detailed description of the invention

Fig. 1 shows the structural schematic diagram of the Novel variable-frequency vibrating spear control circuit of embodiment according to the present utility model；

Fig. 2 shows the distribution boxs for being integrated with Fig. 1 Novel variable-frequency vibrating spear control circuit.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, tie below

The drawings and specific embodiments are closed the utility model is further described in detail.It needs to illustrate

It is that in the absence of conflict, the feature in embodiments herein and embodiment can be combined with each other.

The technical solution of the utility model is described further below in conjunction with Fig. 1 and Fig. 2:

Novel variable-frequency vibrating spear control circuit includes transducer control circuit, vibrate circuit for controlling motor and main control electricity Road.

Specifically, as shown in Figure 1, transducer control circuit includes the first three-level circuit breaker Q F₀, the first A.C. contactor KM₀, the first three-level electrothermal relay FR₀And frequency converter, the first three-level circuit breaker Q F₀One end connect three-phase alternating-current supply, the one or three Grade circuit breaker Q F₀The other end be connected to the first A.C. contactor KM₀Main normally opened contact one end, the first A.C. contactor KM₀ The other end of main normally opened contact be connected to the first three-level electrothermal relay FR₀Thermal element one end, the first three-level electrothermal relay FR₀ The other end of thermal element be connected to one end of frequency converter.

The circuit for controlling motor that vibrates includes including the first vibrating spear motor control branch and the second vibrating spear circuit control branch Road, the first vibrating spear motor control branch include the second three-level circuit breaker Q F₁, the second A.C. contactor KM₁, the second three-level heat after Electric appliance FR₁And the first vibrating spear motor M₁, the second vibrating spear circuit control branch includes third three-level circuit breaker Q F₂, third exchange Contactor KM₂, third three-level electrothermal relay FR₂And the second vibrating spear motor M₂；

Second three-level circuit breaker Q F₁One end connection frequency converter the other end (D₁、D₂、D₃), the second three-level circuit breaker Q F₁'s The other end is connected to the second A.C. contactor KM₁Main normally opened contact one end, the second A.C. contactor KM₁Main normally opened contact The other end be connected to the second three-level electrothermal relay FR₁Thermal element one end, the second three-level electrothermal relay FR₁Thermal element it is another One end is connected to the first vibrating spear motor M₁；Third three-level circuit breaker Q F₂One end be connected to the other end (D of frequency converter₁、D₂、 D₃), third three-level circuit breaker Q F₂The other end be connected to third A.C. contactor KM₂Main normally opened contact one end, third hand over Flow contactor KM₂The other end of main normally opened contact be connected to third three-level electrothermal relay FR₂Thermal element one end, third three-level Electrothermal relay FR₂The other end of thermal element be connected to the second vibrating spear motor M₂。

Main control circuit includes transformer T and the 4th three-level circuit breaker Q F₃, the 4th three-level circuit breaker Q F₃One end access three Phase AC power source, the 4th three-level circuit breaker Q F₃The other end be separately connected the first primary input terminal of transformer T and second primary Input terminal and the second three-level electrothermal relay FR₁Normally closed interlock one end, the second three-level electrothermal relay FR₁The normally closed interlock other end It is connected to first and obtains electric time delay relay KT₁The one end timing closing normally opened contact (10-12), first electric delay time Relay KT₁Timing closing normally opened contact (10-12) other end be connected to the second A.C. contactor KM₁Coil one end, second A.C. contactor KM₁The coil other end be connected to the first primary input terminal, third three-level electrothermal relay FR₂Normally closed interlock it is another One end is connected to second and obtains electric time delay relay KT₃The one end timing closing normally opened contact (16-18), second electric delay Time relay KT₃Timing closing normally opened contact (16-18) other end be connected to third A.C. contactor KM₂Coil one end, Third A.C. contactor KM₂The coil other end be connected to the first primary input terminal, the first three-level electrothermal relay FR₀Normally closed touching The head other end is connected to the first power loss time delay relay KT₂Delay disconnect the one end normally opened contact (4-6), the first power loss prolongs When the time relay delay disconnect normally opened contact (4-6) other end be connected to the first A.C. contactor KM₀Coil one end, Two power loss time delay relay KT₄Delay disconnect the both ends normally opened contact (6-8) be connected in parallel on the first power loss delay time respectively Relay KT₂Delay disconnect the both ends normally opened contact (6-8), the first A.C. contactor KM₀The coil other end be connected at the beginning of first Grade input terminal；The first secondary output end of transformer T is respectively connected to the first stop button SB₁One end and the second stop button SB₃One end, the first stop button SB₁The other end be connected to the first start button SB₂One end, the first start button SB₂'s The other end is connected to first and obtains electric time delay relay KT₁Coil one end, first electric time delay relay KT₂Line The circle other end is connected to the second subprime output end of transformer T, and first obtains electric time delay relay KT₁Instantaneous normally opened contact The both ends (3-5) are connected in parallel to the first start button SB₂Both ends, the first power loss time delay relay KT₂Coil both ends be connected in parallel to One obtains the both ends of electric time delay relay KT1 coil, the second stop button SB₃The other end be connected to the second start button SB₄ One end, the second start button SB₄The other end be connected to second electric time delay relay KT₃Coil one end, second Electric time delay relay KT₃The coil other end be connected to the second subprime output end of transformer T, second electric delay time Relay KT₃The both ends instantaneous normally opened contact (9-11) be connected in parallel to the second start button SB₄Both ends, the second power loss delay time after Electric appliance KT₄Coil both ends be connected in parallel to second electric time delay relay KT₃The both ends of coil.

Specifically, circuit can be integrated on distribution box in Fig. 1, as shown in Fig. 2, XT is connecting terminal block, pass through terminal block XT distinguishes the installation sites of electric elements, and the top of XT is the electric elements being placed on distribution box inner bottom plating, the lower section of XT For electric elements that are external or being led on distribution box door panel.From terminal block XT, 14 connecting terminals are shared.Wherein L₀₁、 L₀₂、L₀₃(access A, B, C) this three lines are by outer 380 power supply of three-phase alternating current for introducing distribution box, and poling introduces；1U₁、1V₁、 1W₁This three lines are vibrating spear motor M₁Motor line, poling is connected to motor M₁U in terminal box₁、V₁、W₁On；2U₁、2V₁、2W₁ This three lines are vibrating spear motor M₂Motor line, poling is connected to motor M₂U in terminal box₁、V₁、W₁On；1,3,5,9,11 this Five lines are control line, the button switch SB being connected on distribution box door panel₁、SB₂、SB₃、SB₄；Wherein, motor M₁Model ZN25, power 5.5KW, motor M₂Model ZN25, power 5.5KW, total current 50A；Motor M₁Motor line 1U₁、 1V₁、1W₁BV6mm2 conducting wire can be selected；Motor M₂Motor line 2U₁、2V₁、2W₁BV6mm2 conducting wire can be selected, due to using frequency conversion Device, motor is larger by dash current, admittedly select the conducting wire of larger cross-section；Power supply line L₀₁、L₀₂、L₀₃BV6 mm2 can be selected；Control BVR1.0 mm2 can be selected in line processed.

Before use, carrying out circuit debugging, major loop circuit breaker Q F is disconnected₀、QF₁、QF₂, close control loop circuit breaker Q F₃, First debugging control circuit, specific as follows:

Electric time delay relay KT is incited somebody to action to obtain first₁、KT₃And power loss time delay relay KT₂、KT₄Delay time Adjustment is set, and can be generally set to 12 seconds depending on production requirement.

Press start button SB₁、 SB₃, observe distribution box in each electric elements action situation, at this time electric delay time Relay KT₁、KT₃, power loss time delay relay KT₂、KT₄And A.C. contactor KM₀Energized action simultaneously is answered, after 12 seconds Namely KT afterwards₁、KT₃Delay time, A.C. contactor KM₁、KM₂Also energized action meets above situation, illustrates to start Journey meets the requirements, that is, KM in order when starting₀First work, KM₁、 KM₂Automatically starting work again.Then stop button is pressed SB₂、 SB₄, the action situation of each electric elements in distribution box is observed, at this point, obtaining electric time delay relay KT₁、KT₃, power loss Time delay relay KT₂、KT₄A.C. contactor KM₁、KM₂Release should be powered off simultaneously, after namely KT for a moment₂、 KT₄Prolong When the time, A.C. contactor KM₀Also power-off release, meets above situation, illustrates that stopped process meets the requirements, that is, when stopping KM in order₁、KM₂First stop, through KT₂、 KT₄After delay, KM₀Be automatically stopped work again, illustrate in this way control loop all just Often.

After debugging above, then by major loop circuit breaker Q F₀、QF₁、QF₂It closes, on-load is debugged, and should be infused Meaning: the rotation direction of motor will be determined in advance in debugging process, and correctly connect, in order to avoid mechanical accident is caused, in debugging electricity When machine turns to, preferably motor and institute's bringing onto load are separated to come, be reconnected after motor steering is correct, it is perfectly safe to guarantee.

In actual use, user presses start button SB₂(3-5), SB₄(9-11) obtains electric time delay relay KT₁、KT₃, power loss time delay relay KT₂、KT₄Coil obtains electric actuation and KT₁、KT₃Be not delayed wink move normally opened contact (3-5), (9-11) is closed self-locking, KT₁、 KT₃Trigger, in KT₂、 KT₄After coil obtains electric actuation, KT₂、KT₄Power loss delay disconnects Normally opened contact (4-6) is closed immediately, connects the first A.C. contactor KM₀Coil power (6-8), KM₀Coil obtains electric actuation, KM₀Three Phase main contact contact closure, frequency converter, which obtains, electric first to be started；Through KT₁、KT₃After a period of time is delayed (general 12 seconds), KT₁、KT₃ Normally opened contact (10-12), (16-18) closure for obtaining electric timing closing, connect the second A.C. contactor KM₁, third ac contactor Device KM₂Coil power, KM₁、KM₂Three-phase main contacts closure, vibrating spear motor M₁、M₂It is electric after start operating.To complete to start When first starts frequency converter, and automatic time delay starts vibrating spear motor M again₁、 M₂, reduce the dash current to frequency converter, effectively Protect the safety of frequency converter.

When stopping, stop button SB is pressed₁ (1-3)、SB₃(1-9)；Obtain electric time delay relay KT₁、KT₃, power loss prolongs When time relay KT₂、 KT₄Coil powers off release.KT₁、 KT₃It is not delayed and moves normally opened contact (3-5), (9-11) immediately in wink It disconnects, releases self-locking；KT2, KT4 trigger.Meanwhile KT1, KT3 obtain electric timing closing normally opened contact (10-12), (16-18) is disconnected immediately, is initially switched off A.C. contactor KM1, KM2 wire loop power supply, is shut down.Through KT₂、 KT₄At one section Between be delayed after, KT2, KT4 power loss delay disconnect normally opened contact (4-6) disconnect, afterwards cut off frequency converter, A.C. contactor KM₀Line Enclose ring current, KT₀Coil blackout release, KT0 three-phase main contacts disconnect, vibrating spear motor M₀Power loss is automatically stopped operating afterwards.From And it completes first to stop vibrating spear motor M when stopping₁、M₂Automatic time delay stops frequency converter again, protects the safety of frequency converter.

Further, three-phase alternating-current supply is 380V voltage, and transformer T is used to 380V voltage step-down be 36V voltage.

The technical solution of the utility model is had been described in detail above with reference to the accompanying drawings, the technical solution of the utility model proposes A kind of new Novel variable-frequency vibrating spear control circuit manipulates convenient for operator, can effectively avoid and leads because operator's operation is lack of standardization Frequency converter damage is caused, the service life of frequency converter is effectively extended, in addition also improves the safety during operator's manipulation.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of Novel variable-frequency vibrating spear control circuit, including transducer control circuit and the circuit for controlling motor that vibrates, the change Frequency device control circuit includes the first three-level breaker, the first A.C. contactor, the first three-level electrothermal relay and frequency converter, the vibration Smash circuit for controlling motor, including the first vibrating spear motor control branch and the second vibrating spear circuit control branch, first vibration Tamper motor control branch vibrates including the second three-level breaker, the second A.C. contactor, the second three-level electrothermal relay and first Stick motor, the second vibrating spear circuit control branch include third three-level breaker, third A.C. contactor, third three-level heat Relay and the second vibrating spear motor, which is characterized in that further include:

Main control circuit, including transformer and the 4th three-level breaker, three intersection of one end access of the 4th three-level breaker Galvanic electricity source, the other end of the 4th three-level breaker are separately connected the first primary input terminal and the second primary input of transformer The normally closed interlock other end of the normally closed interlock one end at end and the second three-level electrothermal relay, the second three-level electrothermal relay connects It is connected to first timing closing normally opened contact one end for obtaining electric time delay relay, described first obtains electric time delay relay The timing closing normally opened contact other end is connected to coil one end of second A.C. contactor, second A.C. contactor The coil other end is connected to first primary input terminal, and the normally closed interlock other end of the third three-level electrothermal relay is connected to Second obtains timing closing normally opened contact one end of electric time delay relay, and described second obtains the delay of electric time delay relay The closure normally opened contact other end is connected to coil one end of the third A.C. contactor, the coil of the third A.C. contactor The other end is connected to first primary input terminal, and the normally closed interlock other end of the first three-level electrothermal relay is connected to first The delay of power loss time delay relay disconnects normally opened contact one end, and the delay of the first power loss time delay relay disconnects The normally opened contact other end is connected to coil one end of first A.C. contactor, the delay of the second power loss time delay relay Disconnect the delay disconnection normally opened contact both ends that normally opened contact both ends are connected in parallel on the first power loss time delay relay respectively, institute The coil other end for stating the first A.C. contactor is connected to first primary input terminal；

First secondary output end of the transformer be respectively connected to the first stop button one end and the second stop button one End, the other end of first stop button are connected to one end of the first start button, the other end of first start button Be connected to described first electric time delay relay coil one end, described first electric time delay relay coil it is another One end is connected to the second subprime output end of the transformer, and described first obtains the instantaneous normally opened contact of electric time delay relay Both ends are connected in parallel to first start button both ends, and the coil both ends of the first power loss time delay relay are connected in parallel to described First obtains the both ends of electric time delay relay coil,

The other end of second stop button is connected to one end of the second start button, the other end of second start button Be connected to described second electric time delay relay coil one end, described second electric time delay relay coil it is another One end is connected to the second subprime output end of the transformer, and described second obtains the instantaneous normally opened contact of electric time delay relay Both ends are connected in parallel to second start button both ends, and the coil both ends of the second power loss time delay relay are connected in parallel to described Second obtains the both ends of electric time delay relay coil.

2. Novel variable-frequency vibrating spear control circuit according to claim 1, which is characterized in that

One end of the first three-level breaker connects three-phase alternating-current supply, and the other end of the first three-level breaker is connected to The other end of one end of the main normally opened contact of first A.C. contactor, the main normally opened contact of first A.C. contactor connects It is connected to thermal element one end of the first three-level electrothermal relay, the other end connection of the thermal element of the first three-level electrothermal relay To one end of the frequency converter；

One end of the second three-level breaker connects the other end of the frequency converter, the other end of the second three-level breaker Be connected to one end of the main normally opened contact of second A.C. contactor, the main normally opened contact of second A.C. contactor it is another One end is connected to thermal element one end of the second three-level electrothermal relay, the thermal element of the second three-level electrothermal relay it is another End is connected to the first vibrating spear motor；

One end of the third three-level breaker connects the other end of the frequency converter, the other end of the third three-level breaker Be connected to one end of the main normally opened contact of the third A.C. contactor, the main normally opened contact of the third A.C. contactor it is another One end is connected to thermal element one end of the third three-level electrothermal relay, the thermal element of the third three-level electrothermal relay it is another End is connected to the second vibrating spear motor.

3. Novel variable-frequency vibrating spear control circuit according to claim 1 or 2, which is characterized in that the three-phase alternating current Source is 380V voltage, and the transformer is used to 380V voltage step-down be 36V voltage.