CN206364734U - Green energy conservation type switch cubicle - Google Patents

Abstract

The utility model discloses a kind of green energy conservation type switch cubicle, including air switch, contactor, touch-screen, AC power, multiple motors, multiple load blocks and Duo Tai ac drivers, one end of air switch is connected with AC power, the other end of air switch and one end of contactor are connected, the other end of contactor is by every ac driver and corresponding motor connection, each motor and corresponding load blocks drive connection；Each load blocks are electrically connected by touch-screen with the input of many ac drivers, and the physical quantity signal of each load blocks is inputted in corresponding ac driver.The utility model air switch and contactor are used for start and stop AC power, and touch-screen realizes man-machine interaction, and many ac drivers share a touch-screen, save resource；Start-up and shut-down control of the ac driver to motor and the start-up and shut-down control to load blocks are realized, with small volume, distribution is simple, the characteristics of small, cost is low and easy to maintenance is lost.

Description

Green energy conservation type switch cubicle

Technical field

The utility model is related to switch cubicle technical field, more particularly to a kind of green energy conservation type switch cubicle.

Background technology

Traditional switch cabinet is matched somebody with somebody, and the control of each motor needs to be equipped with a variety of parts.Critical piece includes：Air switch （NFB）, contactor（MCC）, overload relay（THR）, reduced-voltage starting switch（Y- △ are switched）, electricity-saving appliance, motor protecter, electricity Flow sensor, PLC etc..According to watt level, major loop copper bar needs thousands of grams to arrive tens of kg, and control line needs 100-200 Rice, at least 30-100 kilograms of iron sheet weight；Display table includes：Voltmeter, ammeter, power meter, power-factor indicator；Operation switch Including：Startup shutdown switch, emergency switch, voltage change-over switch, rheotrope, start stop switch, auto-manual is needed to open Close, the numerous power distribution cabinet for just filling 2.3 meters of height of the above.

Clearly the power distribution cabinet power attenuation of prior art is big, complicated, the various, volume of wiring is big and cost is high.

Utility model content

For weak point present in above-mentioned technology, the utility model provides a kind of small power consumption, small volume, simple in construction Green energy conservation type switch cubicle.

To achieve the above object, the utility model provides a kind of green energy conservation type switch cubicle, including air switch, contact Device, touch-screen, AC power, multiple motors, multiple load blocks and Duo Tai ac drivers, one end of the air switch with AC power is connected, and one end of the other end of the air switch and contactor is connected, and the other end of the contactor passes through every Platform ac driver and corresponding motor connection, and each motor and corresponding load blocks drive connection；Each load blocks Electrically connected by touch-screen with the input of many ac drivers, the physical quantity signal input of each load blocks is corresponding to hand over Flow in driver, and every ac driver is closed or opened according to physical quantity signal, and then control corresponding motor to open Stop.

Wherein, load unit and the physical quantity for gathering load unit physical quantity inside are equipped with each load blocks The Switch without electric arc of microprocessor, triggers circuit and controlled motor start and stop, the nothing are equipped with sensor, every ac driver One end of arc switch is connected by contactor and air switch with AC power, and the other end of the Switch without electric arc connects with motor Connect；The input connection of the physical quantity transducer and microprocessor, the output end of the microprocessor is connected with triggers circuit； Memory cell is provided with the microprocessor, and the memory cell stores the demand work(of load unit；The physical quantity sensing Device collects and microprocessor processes is sent to after the physical quantity signal of load unit, microprocessor contrast physical quantity signal and Switch without electric arc trigger signal is given by triggers circuit after demand work(, the closure or opening of Switch without electric arc, and then controlled motor is controlled Start and stop.

Wherein, each Switch without electric arc includes forward conduction IGCT, reverse-conducting thyristor and bypass relay, described It is in parallel with bypass relay after forward conduction IGCT and reverse-conducting thyristor reverse parallel connection, the forward conduction IGCT The common port that the negative electrode of anode and reverse-conducting thyristor connects formation passes through contactor and air switch and AC power Connection, and the negative electrode of the forward conduction IGCT and the anode of reverse-conducting thyristor connect the common port and electricity of formation Machine is connected；The microprocessor is handled after receiving the signal of physical quantity transducer, and the microprocessor passes through its output end To the control pole and the control pole trigger signal of reverse-conducting thyristor of forward conduction IGCT, and the microprocessor passes through it Output end control bypass relay adhesive or opening.

Wherein, every ac driver also includes parameter setter, and the parameter setter and corresponding microprocessor Input electrical connection.

Wherein, every ac driver also includes remote monitor, and the remote monitor and corresponding microprocessor Interactive connection.

Wherein, every ac driver also includes voltage detecting circuit and current detection circuit, the voltage detecting electricity Road gathers the voltage of AC power by its input, and the output end of the voltage detecting circuit and corresponding microprocessor is defeated Enter end connection；The current detection circuit gathers the electric current of correspondence motor, and the current detection circuit by its input Output end is connected with the input of corresponding microprocessor.

Wherein, the ac driver also includes temperature sensing circuit, and the temperature sensing circuit is adopted by its input The temperature of collection correspondence motor, and output end and the input connection of microprocessor of the temperature sensing circuit.

Wherein, the load unit is intelligence instrument.

Wherein, the quantity of the ac driver is up to 127.

The beneficial effects of the utility model are：Compared with prior art, the green energy conservation type switch that the utility model is provided Cabinet, air switch and contactor are used for start and stop AC power, and touch-screen is connected with the input of many ac drivers, not only real Show man-machine interaction, and many ac drivers share a touch-screen, save a large amount of touch-screen resources；Opened by air Close, the cooperation of contactor and ac driver, realize the power transmission of AC power, ac driver is to the start-up and shut-down control of motor and right The start-up and shut-down control of load blocks；Every ac driver small volume, distribution is simple, and loss is small, and cost is low and easy to maintenance, can be real Existing energy saving.Green energy conservation type switch cubicle of the present utility model have be lost small, small volume, input cost is low, distribution is simple, The characteristics of easy to maintenance and few consuming material.

Brief description of the drawings

Fig. 1 is the block diagram of an ac driver in green energy conservation type switch cubicle of the present utility model.

Main element symbol description is as follows：

1st, air switch 2, contactor

3rd, touch-screen 4, AC power

5th, motor 6, load blocks

7th, ac driver

61st, load unit 62, physical quantity transducer

71st, microprocessor 72, triggers circuit

73rd, Switch without electric arc 74, parameter setter

75th, voltage detecting circuit 76, current detection circuit

77th, temperature sensing circuit.

Embodiment

In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.

Referring to Fig. 1, green energy conservation type switch cubicle of the present utility model, including air switch 1, contactor 2, touch-screen 3, AC power 4, multiple motors 5, multiple load blocks 6 and Duo Tai ac drivers 7, one end and the AC power 4 of air switch 1 Connection, the other end of air switch 1 is connected with one end of contactor 2, and the other end of contactor 2 passes through every ac driver 7 Connected with corresponding motor 5, and each motor 5 and the corresponding drive connection of load blocks 6；Each load blocks 6 are by touching Screen 3 is electrically connected with the input of many ac drivers 7, and the corresponding exchange of physical quantity signal input of each load blocks 6 is driven In dynamic device 7, and every ac driver 7 is closed or opened according to physical quantity signal, and then controls corresponding motor 5 to open Stop.Air switch 1 is NFB air switches, and contactor 2 is MCC contactors.

Compared with prior art, the green energy conservation type switch cubicle that the utility model is provided, air switch 1 and contactor 2 are used In start and stop AC power 4, touch-screen 3 is connected with the input of many ac drivers 7, not only realizes man-machine interaction, and Many ac drivers 7 share a touch-screen 3, save a large amount of resources of touch-screen 3；Pass through air switch 1, contactor 2 and friendship The cooperation of driver 7 is flowed, the power transmission of AC power 4 is realized, ac driver 7 is to the start-up and shut-down control of motor 5 and to load blocks 6 Start-up and shut-down control；Every small volume of ac driver 7, distribution is simple, and loss is small, and cost is low and easy to maintenance, can realize energy-conservation Power saving.Green energy conservation type switch cubicle of the present utility model has the small, small volume of loss, input cost is low, distribution is simple, maintenance side Just and the characteristics of material is few is expended.

In the present embodiment, load unit 61 is equipped with each load blocks 6 and for gathering the inside thing of load unit 61 Microprocessor 71, triggers circuit 72 and controlled motor 5 are equipped with the physical quantity transducer 62 of reason amount, every ac driver 7 The Switch without electric arc 73 of start and stop, one end of Switch without electric arc 73 is connected by contactor 2 and air switch 1 with AC power 4, and without arc The other end of switch 73 is connected with motor 5；Physical quantity transducer 62 is connected with the input of microprocessor 71, microprocessor 71 Output end is connected with triggers circuit 72；Memory cell is provided with microprocessor 71, and memory cell stores the need of load unit 61 Seek work(；Physical quantity transducer 62, which is collected, to be sent to microprocessor 71 and handles after the physical quantity signal of load unit 61, microprocessor Device 71 is contrasted after physical quantity signal and demand work(by triggers circuit 72 to the trigger signal of Switch without electric arc 73, controls Switch without electric arc 73 Closure or opening, and then start and stop of controlled motor 5.

The operation principle of every ac driver 7 is：Start motor 5, the thing that physical quantity transducer 62 is detected for the first time Reason amount signal is less than demand work(, and the control Switch without electric arc 73 of microprocessor 71 is closed, and air switch 1 and contactor 2 are closed, exchange Power supply 4 is powered to motor 5, motor 5 is done work to load unit 61 with EIAJ and is driven, physical quantity transducer 62 is constantly examined The physical quantity signal of survey load unit 61 is sent to microprocessor 71 and handled, and the physical quantity signal detected constantly increases, i.e., The demand work(of load unit 61 constantly reduces；When the physical quantity signal that physical quantity transducer 62 is detected is more than or equal to demand work( When, the demand work(for illustrating load unit 61 is 0, and the control Switch without electric arc 73 of microprocessor 71 is opened, and motor 5 stops doing power driving, And load unit 61 persistently does work, original work(is consumed；When the physical quantity signal that physical quantity transducer 62 is detected is too small, nothing When method driving load unit 61 does work, microprocessor 71 re-closes Switch without electric arc 73, motor 5 is restarted, to load unit 61 are done work with EIAJ.So circulation, frequent starting, and substantial amounts of electricity can be saved during the stopping of motor 5, realize energy saving Effect.

In the present embodiment, each Switch without electric arc 73 include forward conduction IGCT VT1, reverse-conducting thyristor VT2 and Bypass after relay KM, forward conduction IGCT VT1 and reverse-conducting thyristor VT2 reverse parallel connections with bypass relay KM simultaneously Connection, forward conduction IGCT VT1 anode and reverse-conducting thyristor VT2 negative electrode connect the common port of formation by connecing Tentaculum 2 and air switch 1 are connected with AC power 4, and forward conduction IGCT VT1 negative electrode and reverse-conducting thyristor The common port that VT2 anode connects formation is connected with motor 5；The signal that microprocessor 71 receives physical quantity transducer 62 is laggard Row processing, control pole and reverse-conducting thyristor VT2 of the microprocessor 71 by its output end to forward conduction IGCT VT1 Control pole trigger signal, and microprocessor 71 passes through its output end control bypass relay KM adhesives or opening.

Each the operation principle of Switch without electric arc 73 is：1）Starting operation：Bypass relay KM to disconnect, forward conduction IGCT VT1 and reverse-conducting thyristor VT2 are in blocking state, when the physical quantity signal that microprocessor 71 is received is less than demand work( When, microprocessor 71 gives forward conduction IGCT VT1 control pole and reverse-conducting thyristor VT2 control pole trigger signal, Now forward conduction IGCT VT1 and reverse-conducting thyristor VT2 are in conducting state, the alternating current just half of AC power 4 Ripple is by forward conduction IGCT VT1 flow direction motors 5, and the negative half-wave of alternating current of AC power 4 passes through reverse-conducting thyristor VT2 flow direction motors 5, motor 5 starts, and then driving load unit 61, due to forward conduction IGCT VT1 and the brilliant lock of reverse-conducting Pipe VT2 no dash currents when turning on, therefore produced without spark；2）Flywheel action：Forward conduction IGCT VT1 and reversely Motor 5 starts after conducting thyristor VT2 conductings, and the control of microprocessor 71 bypasses relay KM adhesives and stopped brilliant to forward conduction Brake tube VT1 and reverse-conducting thyristor VT2 triggerings, now the alternating current of AC power 4 is preferential flows into electricity by bypass relay KM Machine 5, now forward conduction IGCT VT1 and reverse-conducting thyristor VT2 are equivalent to short circuit so that forward conduction IGCT VT1 Automatically shut down with both reverse-conducting thyristor VT2 zero crossings, it is to avoid forward conduction IGCT VT1 and reverse-conducting thyristor The pressure drop consume phenomenon occurred after VT2 conductings, realizes the freewheeling state after conducting；3）Shut-off is acted：When physical quantity transducer 62 The physical quantity signal detected be more than or equal to demand work(when, microprocessor 71 to forward conduction IGCT VT1 control pole and Reverse-conducting thyristor VT2 control pole trigger signal so that forward conduction IGCT VT1 and reverse-conducting thyristor VT2 are equal It is in the conduction state, and forward conduction IGCT VT1, reverse-conducting thyristor VT2, bypass relay KM three's parallel running Afterwards, the control of microprocessor 71 bypass relay KM is opened, and now, AC power 4 is by forward conduction IGCT VT1 and reversely leads Logical IGCT VT2 powers to motor 5, and microprocessor 71 stops brilliant to forward conduction IGCT VT1 control pole and reverse-conducting Brake tube VT2 control pole trigger signal, forward conduction IGCT VT1 passes through in positive half-wave, and reverse-conducting thyristor VT2 is negative Half-wave is automatically shut down by the latter two, without going past bypass relay KM, therefore will not produce spark, it is ensured that when motor 5 is shut down Safety.

In the present embodiment, every ac driver 7 also includes parameter setter 74, and parameter setter 74 with it is corresponding micro- The input electrical connection of processor 71.Parameter setter 74 is used to set the parameter in every ac driver 7.

In the present embodiment, every ac driver 7 also includes voltage detecting circuit 75 and current detection circuit 76, voltage Detect that circuit 75 gathers the voltage of AC power 4, and the output end of voltage detecting circuit 75 and corresponding micro- place by its input Manage the input connection of device；Current detection circuit 76 gathers the electric current of correspondence motor 5, and current detection circuit by its input 76 output end is connected with the input of corresponding microprocessor 71.Voltage detecting circuit 75 and current detection circuit 76 are each responsible for The voltage and current of acquisition testing AC power 4, and the voltage and current collected be transferred to microprocessor 71 carry out analysis at Reason；Whether current detection circuit 76, in this way then can be using decompression mainly for detection of being the class of motor 5 with impact electric current Starting pinciple is stepped up trigger angle reduction and starts impact, if be not above rated current all-wave can trigger immediately, adopts With semiconductor as switch, no arcuation state can be reached when opening；Fault current is either found, microprocessor 71 can pass through To forward conduction IGCT VT1 control pole and reverse-conducting thyristor VT2 control pole trigger signal, realize that forward conduction is brilliant Brake tube VT1 and reverse-conducting thyristor VT2 conducting, and control bypass relay KM opening, so as to realize that no arc shut-off is dynamic Make；Voltage detecting circuit 75 and current detection circuit 76 in this case are circuit of the prior art, as long as voltage can be realized The circuit of detection and the circuit that current detecting can be realized.

In the present embodiment, ac driver 7 also includes temperature sensing circuit 77, and temperature sensing circuit 77 passes through its input The temperature of correspondence motor 5 is gathered, and the output end of temperature sensing circuit 77 is connected with the input of microprocessor 71.In this case Temperature detection detection circuit 77 is used for the temperature for detecting motor, and the temperature of motor can be detected in the prior art and can be used at this In case.

In the present embodiment, load unit 61 is intelligence instrument.Connected between intelligence instrument and touch-screen 3 by RS485 interfaces Connect, using RS485 interfaces so that there is no the control line of cobweb formula inside switch cubicle, also no major loop is connected up everywhere, body One one-tenth of product less than prior art.Certainly, the load unit 61 in this case be not limited to intelligence instrument or other from Dynamic controlling organization.

In the present embodiment, the quantity of ac driver 7 is up to 127.Each touch-screen 3 can at most correspond to 127 friendships Flow driver 7, it is not necessary to one ac driver 7 of each correspondence of touch-screen 3, thus can save the substantial amounts of resource of touch-screen 3.

Ac driver 7 and its bypass contactor 2 can when motor 5 of the present utility model uses the connection of interior triangular 1.732 times of current capacity type selectings are reduced, purchase cost is substantially reduced.

Switch cubicle of the present utility model is through examining：One switch cubicle is averagely analyzed as follows using consumptive material：

Copper material：About 20 kilograms；Iron sheet：About 50 kilograms；Plastics：About 8 kilograms；Control electric wire：5 kilograms；Volume is about：3 cubes Rice.

One switch cubicle average power consumption of motor 5：Component deterioration（About 800W）, major loop contact loss（10W*20 points= 200W）+ control wire rod loss（30W）+ meter losses（30W）It is total to be about：1060W.Switch cubicle of the present utility model can be saved About 80% or so opens electric material and power attenuation, without problem of environmental pollution, while being modernized using message technology Human machine interface technologies.

Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this, The changes that any person skilled in the art can think of should all fall into protection domain of the present utility model.

Claims (8)

1. a kind of green energy conservation type switch cubicle, it is characterised in that including air switch, contactor, touch-screen, AC power, many Individual motor, multiple load blocks and Duo Tai ac drivers, one end of the air switch are connected with AC power, the air The other end of switch and one end of contactor are connected, and the other end of the contactor passes through every ac driver and corresponding electricity Machine is connected, and each motor and corresponding load blocks drive connection；Each load blocks exchange drive by touch-screen with many The input electrical connection of dynamic device, the physical quantity signal of each load blocks is inputted in corresponding ac driver, and every exchange Driver is closed or opened according to physical quantity signal, and then controls corresponding motor start and stop.

2. green energy conservation type switch cubicle according to claim 1, it is characterised in that be equipped with load in each load blocks Microprocessor is equipped with unit and the physical quantity transducer for gathering load unit physical quantity inside, every ac driver The Switch without electric arc of device, triggers circuit and controlled motor start and stop, one end of the Switch without electric arc by contactor and air switch with AC power is connected, and the other end and motor connection of the Switch without electric arc；The physical quantity transducer and microprocessor it is defeated Enter end connection, the output end of the microprocessor is connected with triggers circuit；Memory cell is provided with the microprocessor, and it is described Memory cell stores the demand work(of load unit；The physical quantity transducer is sent after collecting the physical quantity signal of load unit To microprocessor processes, triggered after the microprocessor contrast physical quantity signal and demand work(by triggers circuit to Switch without electric arc Signal, controls the closure or opening of Switch without electric arc, and then the start and stop of controlled motor.

3. green energy conservation type switch cubicle according to claim 2, it is characterised in that each Switch without electric arc includes positive guide Logical IGCT, reverse-conducting thyristor and bypass relay, the forward conduction IGCT and reverse-conducting thyristor are reverse simultaneously In parallel with bypass relay after connection, the anode of the forward conduction IGCT and the negative electrode of reverse-conducting thyristor connect shape Into common port be connected by contactor and air switch with AC power, and the negative electrode of the forward conduction IGCT and anti- The anode of conducting thyristor connects the common port and motor connection of formation；The microprocessor receives physical quantity transducer Handled after signal, control pole and reverse-conducting brilliant lock of the microprocessor by its output end to forward conduction IGCT The control pole trigger signal of pipe, and the microprocessor passes through its output end control bypass relay adhesive or opening.

4. green energy conservation type switch cubicle according to claim 2, it is characterised in that every ac driver also includes ginseng Setting apparatus is counted, and the parameter setter is electrically connected with the input of corresponding microprocessor.

5. green energy conservation type switch cubicle according to claim 2, it is characterised in that every ac driver also includes electricity Pressure detection circuit and current detection circuit, the voltage detecting circuit gather the voltage of AC power, and institute by its input The output end of voltage detecting circuit is stated to connect with the input of corresponding microprocessor；The current detection circuit passes through its input The electric current of correspondence motor is gathered, and the output end of the current detection circuit is connected with the input of corresponding microprocessor.

6. green energy conservation type switch cubicle according to claim 2, it is characterised in that the ac driver also includes temperature Circuit is detected, the temperature sensing circuit gathers the temperature of correspondence motor, and the temperature sensing circuit by its input The input connection of output end and microprocessor.

7. green energy conservation type switch cubicle according to claim 2, it is characterised in that the load unit is intelligence instrument.

8. green energy conservation type switch cubicle according to claim 1, it is characterised in that the quantity of the ac driver is most For 127.