CN205858636U - The reliable fire pump controller started - Google Patents

Abstract

This utility model relates to the fire pump controller of a kind of reliable startup, and including controlling cabinet, in cabinet, there are " certainly opening " lock-controlled switch and " far control " lock-controlled switch in lower section；In switch board body, there is PLC in portion, also 2 groups can the variable frequency starting running unit of normal operating, control 2 fire pump motors respectively；In switch board body, portion there is also mounted 2 set emergency starting devices, controls 2 fire pump motors respectively；Correspondingly, set band fast energy storage mechanism at emergency starting device and unlock operation handle, cabinet panel sets " always stopping " button.This utility model can solve current fire pump fire pump when controlling circuit and breaking down and can not start, and delays a difficult problem for fire rescue；As long as it is normal to realize fire pump power supply, no matter controls how circuit can ensure emergency starting device force start equipment, meet the regulation of GB50974 → 2014 " fire water-supply and hydrant system technical specification ".

Description

The reliable fire pump controller started

Technical field

This utility model relates to the fire pump controller of a kind of reliable startup, possesses fire pump electric control starting and machinery Two kinds of functions of emergency starting.

Background technology

Fire pump is the key link of fire water fire extinguishing system, and its operational reliability requires higher.The nearlyest more than ten Nian Lai, urban construction advances by leaps and bounds, and high-rise building gets more and more, and inhabitation mask is more and more compacter, and this is to fire water fire extinguishing system The reliability of system is had higher requirement.

At present, fire pump of the prior art typically uses full voltage starting, soft start, star delta reduced-voltage starting, self coupling The electric control startings such as reduced-voltage starting mode startup.Electric control starting control line circuit node is many, has control circuit failure condition unavoidably, at fire Calamity restarts fire pump after in emergency circumstances can not waiting until fault restoration, and this will be delayed the fire-fighting and rescue times such as fire, to people People's security of the lives and property brings great threat.

Prior art cannot be taken into account and opens pump with regard to mechanical emergency and send enabled instruction by fire-fighting center and automatically open pump two kinds Control mode, it is impossible to meet GB50974 → 2014 " fire water-supply and hydrant system technical specification " real on November 1st, 2014 Execute the compulsive clause regulation of the 11.0.12 article: Firefighting Pump Control cabinet should arrange mechanical emergency and open pumping function, and should ensure that Controlling in switch board is started fire pump by the personnel having administration authority during line failure when urgent.In view of this, Design and a kind of possess the fire pump controller that fire pump electric control starting and mechanical emergency start to become this area urgently to be resolved hurrily Technical problem.

Utility model content

The purpose of this utility model is the drawbacks described above for prior art, it is provided that the reliable Firefighting Pump Control started Device, it can solve current fire pump fire pump when controlling circuit and breaking down and can not start, delay fire rescue A difficult problem；As long as it is normal to realize fire pump power supply, no matter control how circuit can ensure that emergency starting device force start sets Standby, meet the regulation of GB50974 → 2014 " fire water-supply and hydrant system technical specification ".

The purpose of this utility model can be realized by following technical measures:

The fire pump controller of a kind of reliable startup, compared with prior art, its difference is, this fire pump Controller includes: control cabinet, and above cabinet, acousto-optic is reported to the police, and has touch screen before cabinet, in cabinet lower section have " from Open " lock-controlled switch and " far control " lock-controlled switch；In switch board body, there is PLC in portion, uses PLC-touch screen for being System processes end, adds the convenience of human-computer exchange, intuitive；In switch board body, portion also has 2 groups can the frequency conversion of normal operating open Dynamic running unit, controls 2 fire pump motors respectively；In switch board body, portion there is also mounted 2 set emergency starting devices, controls respectively Make 2 fire pump motors；Correspondingly, set band fast energy storage mechanism at emergency starting device and unlock operation handle, in cabinet face " always stopping " button is set on plate；Push to opening by force handle, just can start control terminal by force；By on cabinet panel " always stopping " button, the most releasably engageable separating brake is shut down；Described variable frequency starting running unit, is that a main power source is through circuit breaker Q F10/ QF20, vacuum A. C. contactor KM1 and A.C. contactor KM3 or vacuum A. C. contactor KM5 and A.C. contactor KM7, frequency conversion Trigger BP1 or BP2 provide fire pump motor main power source；Described emergency starting device is a band fast energy storage unlocking mechanism Operation handle and 2 vacuum A. C. contactors formed, operation handle is contacted by link respectively 2 vacuum communication of long draw The separating brake of device/combined floodgate armature；All there is closing coil under separating brake/combined floodgate armature, close a floodgate and keep buckle and buckle extension spring；Operation handle During closing operation, long draw acts on separating brake/combined floodgate armature, makes separating brake/combined floodgate armature strong under the acting of buckle tension spring tension Probe of contactor KM1 or KM5 of drawing Vacuum Package processed.

Described PLC is that two siemens PLC series of PLC are combined as one main one standby control；Specifically It is combined as one main one standby control with two S7-224XP；

Main control Programmable Logic Controller normally opened by S7-224XP, KA303 normally opened contact, KA153 normally opened contact, KA101 Contact, KA100 normally opened contact, KA200 normally opened contact, KA305 normally opened contact, KA103 normally opened contact, KA106 normally opened contact, KA104 normally opened contact, KA150 relay coil, KA151 relay coil, KA152 relay coil, certainly open lock SA1, KA153 Relay coil, KA154 relay coil and touch screen/PLC 1 form；Wherein KA303 or KA153, KA101, KA103, KA106 With KA104 normally opened contact, respectively corresponding I0.5, I0.6, I1.2, I1.3, I1.5 end and DC+24V end being associated in S7-224XP it Between；KA100 or KA200 and KA305 is connected in parallel between the I0.7 end of S7-224XP and DC+24V end；KA150、KA151、KA152 With KA154 relay coil, correspondence is associated between Q0.0, Q0.1, Q0.2, Q0.4 end of S7-224XP and N end respectively；KA153 Relay coil with certainly open lock SA1 series connection after be connected S7-224XP Q0.3 end and and N end between；Touch screen/PLC 1 connects S7- The COM-1 end of 224XP；

Standby control Programmable Logic Controller normal by S7-224XP, KA303 normally opened contact, KA153 normally opened contact, KA201 Open contact, KA100 normally opened contact, KA200 normally opened contact, KA305 normally opened contact, KA203 normally opened contact, KA208 normally opened contact, KA204 normally opened contact, KA250 relay coil, KA251 relay coil, KA252 relay coil, KA254 relay coil Form with touch screen/PLC 2；Wherein KA303 or KA153, KA201, KA203, KA208 and KA204 normally opened contact, respectively correspondence connection Between I0.5, I1.1, I1.2, I1.3, I1.5 end and DC+24V end of S7-224XP；KA100 or KA200 is in parallel with KA305 Between the I0.7 end and DC+24V end of S7-224XP；KA250, KA251, KA252 and KA254 relay coil, respectively correspondence It is associated between Q0.0, Q0.1, Q0.2, Q0.4 end of S7-224XP and N end；Touch screen/PLC 1 connects the COM-1 end of S7-224XP.

Preferably, in described switch board body, portion is additionally provided with dual power supply switching assembly, when outside is without double-power supply switching device The conversion of PC level dual power supply can be realized in cabinet.

Preferably, described sound and light alarm is the KA154/KA254 normal opened contact in PLC PLC2/PLC2 Connected acoustic-optic alarm.

The PLC of fire pump controller of the present utility model includes that manual control mode, reception disappear Anti-center enabled instruction automatic control mode, the control model of emergency flight control mode three groups, it is ensured that fire pump equipment and luck OK.

This utility model scope of application:

1. this utility model can be used alone, it is also possible to the fire pump controller of prior art can and cabinet combination；

2. this utility model is applicable to: fire-fighting controller；Mine drainage equipment；Air feed selfrescue equipment；Deng with highly reliable The equipment of property, fault stoppage in transit can affect the control field of life property safety can use this product.

This utility model design parameter:

Main power source: three-phase and four-line/AC380V+N；

Bearing power: 75KW(can change depending on actual demand)；

Far control pattern: startup-active DC24V crawl starts；

Shutdown-active DC24V crawl is shut down；

Water-level alarm-active DC24V high potential is reported to the police；

Degree of protection: IP55.

Accompanying drawing explanation

Fig. 1 is that the fire pump of this utility model embodiment starts primary circuit figure.

Fig. 2 is that the main fire pump of this utility model embodiment starts secondary circuit figure.

Fig. 3 is that the standby fire pump of this utility model embodiment starts secondary circuit figure.

Fig. 4 is that the main control Programmable Logic Controller input of this utility model embodiment controls partial circuit diagram.

Fig. 5 is that the standby control Programmable Logic Controller input of this utility model embodiment controls partial circuit diagram.

Fig. 6 is remote/near control operation change-over circuit figure of this utility model embodiment.

Fig. 7 is the circuit diagram of the main control Programmable Logic Controller of this utility model embodiment.

Fig. 8 is the circuit diagram of the standby control Programmable Logic Controller of this utility model embodiment.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawings and specifically This utility model is described in further detail by embodiment.Should be appreciated that specific embodiment described herein is only in order to solve Release this utility model, be not used to limit this utility model.

Present embodiments provide the fire pump controller of a kind of reliable startup, it is characterised in that this Firefighting Pump Control Device includes: control cabinet, and in cabinet, there are " certainly opening " lock-controlled switch and " far control " lock-controlled switch in lower section；In described switch board body There is PLC in portion, and using PLC-touch screen is that system processes end；In switch board body portion also have 2 groups can normal operating Variable frequency starting running unit, respectively control 2 fire pump motors；In switch board body, portion there is also mounted 2 set emergency starting dresses Put, control 2 fire pump motors respectively；Correspondingly, set band fast energy storage mechanism at emergency starting device and unlock operation handle, Cabinet panel sets " always stopping " button；Push to opening by force handle, just can start control terminal by force；By cabinet face " always stopping " button on plate, the most releasably engageable separating brake is shut down；Described variable frequency starting running unit, is that a main power source is through chopper QF10/QF20, vacuum A. C. contactor KM1 and A.C. contactor KM3 or vacuum A. C. contactor KM5 and A.C. contactor KM7, Frequency conversion starter BP1 or BP2 provides fire pump motor main power source；Described emergency starting device is that a band fast energy storage unlocks The operation handle of mechanism and 2 vacuum A. C. contactors are formed, and operation handle is linked 2 vacuum communication respectively by long draw The separating brake of catalyst/combined floodgate armature；All there is closing coil under separating brake/combined floodgate armature, close a floodgate and keep buckle and buckle extension spring；Operation During handle closing operation, long draw acts on separating brake/combined floodgate armature, makes separating brake/combined floodgate armature in the acting of buckle tension spring tension Probe of contactor KM1 or KM5 of lower pressure drawing Vacuum Package；Described PLC is two siemens PLC Series of PLC is combined as one main one standby control.

Described PLC includes that manual control mode, reception fire-fighting center enabled instruction automatically control Mode, the control model of emergency flight control mode three groups；Operation principle is as follows:

1, holding state

With reference to accompanying drawing 1, main power source three-phase and four-line A I, B1, C1, a N, A II, B II, the most any one loop of C II, N obtain Electricity, through dual-power transfer switch: QK, QK selection one effective current supply circuit is: circuit breaker Q F10, vacuum A. C. contactor KM1, sky A.C. contactor KM3/ circuit breaker Q F20, empty A.C. contactor KM5, empty A.C. contactor KM7 provide a main power source；

A one-time contact state: KM1, KM3, KM4, KM5 are release separating brake；

B linear quadratic control power supply (AC220V): power for QF11, QF21, QF31, FU1, FU2, FU3, power supply is through above element Power for whole control system controllable type so that it is enter and initialize armed state；

Bis-major control loop states of c: stop button SB2, SB4 be static → KA100, KA200 release, open advanced connection by force Dynamic catalyst KC160, KC260 release → KA305 discharge, PLC1[I0.7=0], PLC2[I0.7=0]；I group of start button SB1 is quiet Only → KA101 release, PLC1[I0.6=0]；II group of start button SB3 be static → KA201 release, PLC2[I0.6=0]；KM3 touches Point detection: KA103 release, PLC1[1.2=0], active and standby interlocking: KA104 release, PLC1[I1.5=0], KM7 contact is detected: KA203 release, PLC2[I1.2=0], active and standby interlocking: KA204 release, PLC2[I1.5=0]；Open by force detection: KA106 release, PLC1[I1.3=0], open by force detection: KA208 release, PLC2[I1.3=0]；

D PLC1[Q0.0=0], KA150 release, PLC1[Q0.1=0], KA151 release, PLC1[Q0.2=0], KA152 releases Put, PLC1[Q0.3=0], KA153 release, PLC1[Q0.4=0], KA154 release；PLC2[Q0.0=0], KA250 release, PLC2 [Q0.1=0], KA251 discharge, PLC2[Q0.2=0], KA252 release, PLC2[Q0.4=0], KA254 release, PLC2[Q1.0= 0], KA256 release；

The normally opened point of the normally closed point → KA150 of e KM1 coil → KC160, release；Normally closed point → the KA152 of KM3 coil → KC160 Normally opened point, release；The normally opened point of the normally closed point → KA250 of KM5 coil → KC260, release；The normally closed point of KM7 coil → KC260 → The normally opened point of KA252, release；

F strong opening device resting state → limit switch LS1 release → LS2 release → KC160 release, limit switch LS3 discharges → LS4 release → KC260 discharges.

2, operation (open/stop) is closely controlled

A I group operation (on off button be self-replaced type contact i.e. press action unclamp playback): press start button SB1 → KA101 coil obtains electric → KA101 normally opened some Guan Bi → PLC1[I0.6=1] or I group of start button of touch screen；

BPLC1[Q0.0=1] KA150 coil obtains the normally opened Guan Bi → KC160 of electric → KA150 normally closed Guan Bi → KM1 coil Obtain electric adhesive contact；Frequency conversion starter BP1 starts, the above soft start just completing whole system；

C stop → press the coil of stop button SB2 or SB4 → KA100 Yu KA200 simultaneously electric → KA100 or KA200 Normally opened some Guan Bi → PLC1[I0.7=1], or press any one stop button → PLC1[Q0.0=0 of touch screen] → KA150 line Circle dead electricity → KA150 normally opened disconnection → KM1 coil losing electricity separating brake, PLC1[Q0.2=0 simultaneously] → KA152 coil losing electricity → KA152 normally opened disconnection → KM3 coil losing electricity separating brake, its internal normally closed disconnection while pressing stop button SB2 or SB4 → Cut off the power supply in all control loops；Linkage normally closed some adhesive of KM1 makes II group of control loop restore electricity, and link the normally opened point of KM1 Disconnection → KA204 coil losing electricity → KA204 normally opened some disconnection → PLC2[I1.5=0] release group interlocking, link the normally opened point of KM3 Disconnection → KA103 coil losing electricity → KA103 normally opened some disconnection → PLC1[I1.2=0] software monitors KM3 the most reliably disconnects；No. 1 Motor shuts down because of KM1, KM3 dead electricity, and whole system returns to holding state.

3, I group/II group conversion is started

A II group operation (on off button be self-replaced type contact i.e. press action unclamp playback): press start button SB3 → KA201 coil obtains electric → KA201 normally opened some Guan Bi → PLC2[I0.6=1] or II group of start button of touch screen；

BPLC2[Q0.0=1] KA250 coil obtains the normally opened Guan Bi → KC260 of electric → KA250 normally closed Guan Bi → KM5 coil Obtaining electric adhesive contact, frequency conversion starter BP2 starts, the above soft start just completing whole system；

C stop → press the coil of stop button SB2 or SB4 → KA100 Yu KA200 simultaneously electric → KA100 or KA200 Normally opened some Guan Bi → PLC2[I0.7=1], or press any one stop button → PLC2[Q0.0=0 of touch screen] → KA250 line Circle dead electricity → KA250 normally opened disconnection → KM5 coil losing electricity separating brake, PLC2[Q0.2=0 simultaneously] → KA252 coil losing electricity → KA252 normally opened disconnection → KM7 coil losing electricity separating brake, its internal normally closed disconnection while pressing stop button SB2 or SB4 → Cut off the power supply in all control loops；Linkage normally closed some adhesive of KM5 makes I group of control loop restore electricity, and the linkage normally opened point of KM5 breaks Open → KA104 coil losing electricity → KA104 normally opened some disconnection → PLC1[I1.5=0] release group interlocking, the linkage normally opened point of KM7 breaks Opening → KA203 coil losing electricity → KA203 normally opened some disconnection → PLC2[I1.2=0] software monitors KM7 the most reliably disconnects；No. 2 electricity Machine shuts down because of KM5, KM7 dead electricity, and whole system returns to holding state；

It is optional that d starts under I group/II group Non-follow control, and when any one group starts unsuccessfully, system can proceed to additionally automatically One group of startup, and point out failure logging fault；Stopping is arbitrary, for operation convenience, by any stop button (whether Stop key on panel or touch screen) whole system all can shut down.

4, remote control operation (open/stop)

Remote-control operation mode can change, such as relatively according to actual application feature: passive contact non-self-lock-ing control, passive From lock control, the control of active non-self-lock-ing, active contact from lock control etc..Described herein it is: active voltage DC24V trigger-type Control model；

A is far controlled and is opened: when outside DC24V trigger voltage is through No. 1 terminal of patch panel X1 and No. 2 terminal DC24V relays Device KJ1 coil obtains electric → remote control lock SA2(lock-controlled switch, plays safeguard protection effect, and this switch is two kinds of orientation states: left-handed 45 Degree is for closing → forbidding, contact disconnects；Dextrorotation 45 degree for opening → allowing, the closing of contact) be permission state → KJ2 normally closed Guan Bi → Normally opened Guan Bi → the KA303 of KJ1 and KA303` coil adhesive → KA303` normally opened Guan Bi → self-locking KA303 and KA303` simultaneously Coil；KA303 normally opened some Guan Bi → PLC1[I0.5=1] KA303 normally opened contact Guan Bi → PLC2[I0.5=1 simultaneously]；

2 groups of PLC input port I0.5 of b are simultaneously entered signal, and software can distinguish and take turns starting 2 groups of pump motors voluntarily, (it is proper in order to make every water pump all use for why needing 2 groups to take turns starting).Once it is determined that it is any one after startup group Group PLC can output signal voluntarily, when system detect after the startup order performed starts unsuccessfully, understood within 20 seconds automatic Being converted to another set start, and point out trouble light and backstage to record failure condition on panel, its I group of Starting mode is with herein 2 closely control operation b are the same, as its II group of Starting mode starts I group/II group conversion b with herein 3；

C is far controlled and is stopped: when outside DC24V trigger voltage is through No. 3 terminals of patch panel X1 and No. 4 terminal DC24V relays Device KJ2 coil obtains electric → remote control lock normally closed disconnection → KA303 of SA2 → KJ2 and KA303` coil through allowing state and falls simultaneously Electricity, 2 groups of PLC input ports [I0.5=0], software performs halt command automatically, its I group of stopping process and herein 2 closely control operation c Equally, as its II group of stopping process starts I group/II group conversion b with herein 3.So just complete whole remote control process A loop control.

5, test is certainly opened

Owing to Fire Control Cabinet can not often be run, so every month will do one-shot test for pump motor, In case equipment for a long time need not and cause faults such as making moist, also for checking potential faults in advance.At this equipment man-computer interface Can arrange the concrete startup time of each of which moon, dwell time on touch screen, accurate unit is: the second；

A when certainly open test wherein the time meet after, system can shift to an earlier date 10 minutes prompting sound and light alarms per minute, then holds Row starts order → PLC1[Q0.3=1] → certainly open lockhole switch SA1 for allowing position (the most mainly to play guarantor with above SA2 Protect effect) → KA153 coil obtains electric, KA153 internal two groups of normally opened contacts Guan Bi triggers the most simultaneously, execution program afterwards with 4 remote control operation b are the same herein；

B when from the start and stop time meet after, PLC1[Q0.3=0] → through allow state certainly open lock → KA153 coil Dead electricity so that it is normally opened contact disconnects → trigger PLC1[I0.5=0] and PLC2[I0.5=0] its I group of stopping process closely control with herein 2 C is the same in operation, as its II group of stopping process starts I group/II group conversion b with herein 3.So just complete from opening process of the test A circulation.

6, emergency starting device force start

When all of control loop all cannot work so that it is normal operating cannot start pump motor, and now must Pump motor rescue and relief work need be run, in the case of a main power source is powered normally, emergency starting device force start dress Put and just can be controlled to force to put into handle, successfully start up pump motor rescue and relief work and (meet by the operator having permission in 30 seconds Standard GB/T 50974 → 2014 " fire water-supply and hydrant system technical specification " the 11.0.12 article (strong article) specifies: fire-fighting Water pump control cabinet should arrange mechanical emergency and open pumping function, and fire pump switch board proposes a completely new concept → mechanical emergency Open pumping function).The operator now having permission key unlocks the operation handle of any one group of two groups of strong opening devices of group (outside cabinet It is mounted with a padlock at operation handle) directly operation handle is up pushed into and opens by force position；

Owing to there is no the standard gallery to this device in GB picture library, in accompanying drawing, the connection of " force start " character line is One machinery energy storage mechanism device linkage contact forces the simplification figure of adhesive；

A selects I group to open by force: when operation handle travel to before fast energy storage mechanism action → handle position detection switchs LS1 Adhesive → handle position detection switch LS2 adhesive, power supply through electric fuse FU1 → to LS1 → LS2 → KC160 coil obtain electric → The control loop normally opened Guan Bi → power supply of disconnection → KC160 of the normally closed disconnection → KM1 of KC160 and KM3 coil and system is through FU1 The normally opened point of → KC160 Guan Bi is powered directly to KM1, KM3, and one group of KC160 normally opened point control KM1, KM3 coil is another simultaneously One end directly closes with power supply N line, if the now coil of KM1 and KM3 or good, will be faster than that machinery is strong closes front adhesive The main contact of KM1, KM3, which increases the synchronicity of combined floodgate, speed also has safety (electricity close a floodgate be faster than machinery combined floodgate). The normally closed point of KC160 disconnects → cuts off I group of control ring current with II group, the simultaneously normally opened some Guan Bi → KA305 of KC160 simultaneously Coil obtains electric → KA305 normally opened some Guan Bi → PLC1[I0.7=1], PLC2[I0.7=1] locking PLC(reach one with throw by force dress Put interlocking purpose, it is considered to be some unreliable factor or unstable factor make control loop occur intermittent defect causes Control hazard)；If now KM1 or KM3 coil is broken or goes wrong in the emergency flight control loop such as KC160, then machine Tool opens by force will force drawing KM1, KM3 contact to make it force adhesive to be that pump motor powers (open by force is to directly initiate)；

B shuts down 1, presses any stop botton SB2 or SB4 → this button interior normally opened Guan Bi → power supply warp on panel The normally opened point of electric fuse FU3 → stop button (when pressing close) → strong opening device tripping coil QT1 obtain electric adhesive trip link → Strong opening device dropout → KM1, KM3 armature lose pulling force separating brake；

C I group is opened by force handle down pull → arrive will the position handle of mechanical trip to trigger travel switch LS5 → LS5 normal Guan Bi → power supply of making war obtains electric dropout through electric fuse FU1 → LS1 → LS5 → QT1 coil, if now tripping coil QT1 is still Not do not thread off, continue down spanner handle can by force mechanical trip (preferential to use tripping coil be to increase the convenient of operation Property, its effect are as mechanical trip)；

D selects II group to open by force: when operation handle travel to before fast energy storage mechanism action → handle position detection switchs LS3 adhesive → handle position detection switch LS4 adhesive, power supply through electric fuse FU2 → to LS3 → LS4 → KC260 coil obtain electric → The control loop normally opened Guan Bi → power supply of disconnection → KC260 of the normally closed disconnection → KM5 of KC260 and KM7 coil and system is through FU2 The normally opened point of → KC260 Guan Bi is powered directly to KM5, KM7, and one group of KC260 normally opened point control KM5, KM7 coil is another simultaneously One end directly closes with power supply N line, if the now coil of KM5 and KM7 or good, will be faster than that machinery is strong closes front adhesive The main contact of KM5, KM7, which increases the synchronicity of combined floodgate, speed also has safety (electricity close a floodgate be faster than machinery combined floodgate). The normally closed point of KC260 disconnects → cuts off I group of control ring current with II group, the simultaneously normally opened some Guan Bi → KA305 of KC260 simultaneously Coil obtains electric → KA305 normally opened some Guan Bi → PLC1[I0.7=1], PLC2[I0.7=1] locking PLC(reach one with throw by force dress Put interlocking purpose, it is considered to be some unreliable factor or unstable factor make control loop occur intermittent defect causes Control hazard)；If now KM5 or KM7 coil is broken or goes wrong in the emergency flight control loop such as KC260, then machine Tool opens by force will force drawing KM5, KM7 contact to make it force adhesive to be that pump motor powers (open by force is to directly initiate)；

E shuts down 1, presses any stop botton SB2 or SB4 → this button interior normally opened Guan Bi → power supply warp on panel The normally opened point of electric fuse FU3 → stop button (when pressing close) → strong opening device tripping coil QT2 obtain electric adhesive trip link → Strong opening device dropout → KM5, KM7 armature lose pulling force separating brake；

F II group is opened by force handle down pull → arrive will the location triggered travel switch LS6 → LS6 of mechanical trip normally opened Point Guan Bi → power supply obtains electric dropout through electric fuse FU2 → LS3 → LS6 → QT2 coil, if now tripping coil QT2 does not still have Have dropout, continue down spanner handle can by force mechanical trip (preferential use tripping coil be in order to increase the convenience of operation, Its effect is as mechanical trip).

7, about safeguard protection

Due to the particularity (its stable/reliability is the key of rescue and relief work in fire) of Fire Control Cabinet, put into fortune Being not allow for trip protection in the case of row, this utility model cabinet indoor design all of auxiliary monitoring function only serves Alarm backstage record time of failure are with the effect of troubleshooting deadline (such as: overcurrent, overvoltage, deficient electricity Pressure, etc.), all will not cause operation tripping operation.Situations below system can be protected by force: with reference to accompanying drawing 1, when KM1 adhesive is that frequency conversion is opened Dynamic, proceed to properly functioning after arriving the startup time, this is one and starts shipment process normally, and in standby, KM3 is because of some not Factor contact adhesive can be surveyed, cause motor action, so this equipment devises KM3 and monitors port → PLC1[I1.2], if Trouble light can be bright in standby lower adhesive KM3 to be detected, and can alarm, (all fault messages all can be as backstage record This), facilitate patrol officer see situation in time and take measures in time；If the operator now having permission opens handle lock operation Opening by force handle, the normally opened point of limit switch LS1 can preferentially close；Power supply obtains through FU1 → LS1 normally opened Guan Bi → QT1 tripping coil Electronic work, finally cannot make the strong device of throwing of machinery come into force；

In like manner: proceeding to after adhesive variable frequency starting as KM5 run, this is one and starts shipment process normally；At standby Middle KM7 can not survey factor contact adhesive because of some and cause motor action, if but starting device causes conflict, so originally setting The standby KM7 that devises monitors port → PLC2[I1.2], if be detected that KM7 in standby lower adhesive, trouble light can be bright, and meeting Alarm, backstage record (all fault messages all can be so), situation is taked to arrange in time to facilitate patrol officer to see in time Execute.If the operator now having permission opens handle lock, handle is opened by force in operation, and the normally opened point of limit switch LS3 can preferentially close；Electricity Source, through FU2 → LS3 normally opened Guan Bi → QT2 tripping coil energized action, finally cannot make the strong device of throwing of machinery come into force.

Although being described the various embodiments described above, but those skilled in the art once know basic wound The property made concept, then can make other change and amendment to these embodiments, so above are only embodiment of the present utility model, Not thereby limit scope of patent protection of the present utility model, every utilize this utility model description and accompanying drawing content to be made Equivalent structure or equivalence flow process conversion, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in this reality Within novel scope of patent protection.

Claims (4)

1. the fire pump controller of a reliable startup, it is characterised in that this fire pump controller includes: control cabinet, In cabinet, there are " certainly opening " lock-controlled switch and " far control " lock-controlled switch in lower section；In described switch board body, there is PLC programmable control in portion Device processed, using PLC-touch screen is that system processes end；In switch board body, portion also has 2 groups can the variable frequency starting of normal operating run single Unit, controls 2 fire pump motors respectively；In switch board body, portion there is also mounted 2 set emergency starting devices, controls 2 respectively and disappears Waterproof pump motor；Correspondingly, set band fast energy storage mechanism at emergency starting device and unlock operation handle, cabinet panel sets " always stop " button；Push to opening by force handle, just can start control terminal by force；By " always stopping " on cabinet panel Button, the most releasably engageable separating brake is shut down；Described variable frequency starting running unit, is that a main power source is through circuit breaker Q F10/QF20, vacuum A.C. contactor KM1 and A.C. contactor KM3 or vacuum A. C. contactor KM5 and A.C. contactor KM7, frequency conversion starter BP1 Or BP2 provides fire pump motor main power source；Described emergency starting device is the manipulator of a band fast energy storage unlocking mechanism Handle and 2 vacuum A. C. contactors are formed, operation handle by long draw link respectively 2 vacuum A. C. contactors point Lock/combined floodgate armature；All there is closing coil under separating brake/combined floodgate armature, close a floodgate and keep buckle and buckle extension spring；Operation handle closes a floodgate and grasps When making, long draw acts on separating brake/combined floodgate armature, makes separating brake/combined floodgate armature force drawing under the acting of buckle tension spring tension Probe of contactor KM1 or KM5 of Vacuum Package；Described PLC is two siemens PLC series of PLC combinations It is one main one standby control.

The fire pump controller of reliable startup the most according to claim 1, it is characterised in that: described Liang Tai Siemens S7-200 series of PLC is combined as one main one standby control, is specifically combined as one main one for controlling with two S7-224XP；Main control Programmable Logic Controller normally opened by S7-224XP, KA303 normally opened contact, KA153 normally opened contact, KA101 normally opened contact, KA100 Contact, KA200 normally opened contact, KA305 normally opened contact, KA103 normally opened contact, KA106 normally opened contact, KA104 normally opened contact, KA150 relay coil, KA151 relay coil, KA152 relay coil, certainly open lock SA1, KA153 relay coil, KA154 relay coil and touch screen/PLC 1 form；Wherein KA303 or KA153, KA101, KA103, KA106 and KA104 are normally opened Contact, correspondence is associated between I0.5, I0.6, I1.2, I1.3, I1.5 end of S7-224XP and DC+24V end respectively；KA100 or KA200 and KA305 is connected in parallel between the I0.7 end of S7-224XP and DC+24V end；KA150, KA151, KA152 and KA154 relay Device coil, correspondence is associated between Q0.0, Q0.1, Q0.2, Q0.4 end of S7-224XP and N end respectively；KA153 relay coil with From open lock SA1 series connection after connect S7-224XP Q0.3 end and and N end between；Touch screen/PLC 1 connects the COM-1 of S7-224XP End；Standby control Programmable Logic Controller by S7-224XP, KA303 normally opened contact, KA153 normally opened contact, KA201 are normally opened touches Point, KA100 normally opened contact, KA200 normally opened contact, KA305 normally opened contact, KA203 normally opened contact, KA208 normally opened contact, KA204 normally opened contact, KA250 relay coil, KA251 relay coil, KA252 relay coil, KA254 relay coil Form with touch screen/PLC 2；Wherein KA303 or KA153, KA201, KA203, KA208 and KA204 normally opened contact, respectively correspondence connection Between I0.5, I1.1, I1.2, I1.3, I1.5 end and DC+24V end of S7-224XP；KA100 or KA200 is in parallel with KA305 Between the I0.7 end and DC+24V end of S7-224XP；KA250, KA251, KA252 and KA254 relay coil, respectively correspondence It is associated between Q0.0, Q0.1, Q0.2, Q0.4 end of S7-224XP and N end；Touch screen/PLC 1 connects the COM-1 end of S7-224XP.

The fire pump controller of reliable startup the most according to claim 1, it is characterised in that: have above described cabinet Sound and light alarm, has touch screen before cabinet；Sound and light alarm is that the KA154/KA254 in PLC PLC2/PLC2 is normal Open the connected acoustic-optic alarm of contact.

The fire pump controller of reliable startup the most according to claim 1, it is characterised in that: in described switch board body Portion is additionally provided with dual power supply switching assembly, can realize the conversion of PC level dual power supply in cabinet when outside is without double-power supply switching device.