CN1244491A - Lift device - Google Patents
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- CN1244491A CN1244491A CN 99111794 CN99111794A CN1244491A CN 1244491 A CN1244491 A CN 1244491A CN 99111794 CN99111794 CN 99111794 CN 99111794 A CN99111794 A CN 99111794A CN 1244491 A CN1244491 A CN 1244491A
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- hoistway
- lift appliance
- fire detector
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention is directed to free a design of a building and facilitate maintenance and inspection of the fire detector by arranging the fire detector in a hoistway in a range accessible from the car when the car is at the highest position of the hoistway.
Description
The present invention relates to lift appliance, relate in particular to the device that will drive car and be arranged on lift appliance in the hoistway.
In recent years, as increasing building design-calculated degree of freedom and utilizing the solution of building space effectively, economically, the drive mechanism that will comprise hoisting motor is arranged on the lift appliance that the traction in the hoistway drives and is popularizing (Japanese patent of invention discloses communique 1996 No. 208152).
This kind lift appliance is considered from the viewpoint of taking precautions against natural calamities, be necessary fire detector to be set at hoistway, fire detector is installed near the hoistway ceiling wall, and on relative well enclosure, the access hole that leads to the entrance hall side is set, so as in building the described fire detector of Maintenance and Repair.And in order to constitute area of fire protection, passage generally blocks with fire prevention iron plate lid between this access hole and the hoistway, covers with ceiling and be provided with the maintenance of leading to described access hole on the ceiling of entrance hall side.
But, at well enclosure access hole and fire prevention iron plate lid are set, and are provided with under the situation of maintenance with the ceiling lid at entrance hall side ceiling, there is the affected problem of Design freedom of building.
In addition, for the Maintenance and Repair fire detector, must open maintenance and cover with ceiling, unload fire prevention iron plate lid then, the Maintenance and Repair operation is pretty troublesome.
The objective of the invention is to, a kind of Maintenance and Repair operation lift appliance easily of design freedom, fire detector of building is provided.
Another object of the present invention is to, provide a kind of and can will drive the device of car and the lift appliance that fire detector carries out the Maintenance and Repair operation simultaneously.
In order to achieve the above object, the present invention is installed in fire detector the hoistway of the scope that can access when car is positioned at the extreme higher position of hoistway, from car.
Also has near the device that the configuration driven car is used fire detector.
If adopt above-mentioned formation, take advantage of in car, can carry out fire detector and the driving of control car Maintenance and Repair simultaneously with device, and the access hole that these Maintenance and Repair are used, fire prevention iron plate lid and maintenance needn't be arranged in the building with the ceiling lid, consequently, the design of building can not be subjected to access hole and overhaul under the situation about influencing with the ceiling lid and freely carry out.In addition, when Maintenance and Repair, cover such two lids because needn't open and close fire prevention iron plate lid and overhaul with ceiling, so Maintenance and Repair are convenient.
Fig. 1 is the main portion approximate three-dimensional map that lift appliance one example of the present invention is shown.
Figure 2 shows that the car among Fig. 1 is parked in the front view of the state of uppermost storey position.
Figure 3 shows that the main portion approximate three-dimensional map of another example of lift appliance of the present invention.
Figure 4 shows that the main portion approximate three-dimensional map of the another example of lift appliance of the present invention.
Figure 5 shows that the main portion summary side elevation of another example of lift appliance of the present invention.
Figure 6 shows that the main portion summary side elevation of the another example of lift appliance of the present invention.
Figure 7 shows that lift appliance single-piece power-supply system figure.
Figure 8 shows that the whole pie graph of control circuit figure.
Figure 9 shows that the main portion approximate three-dimensional map of another example of lift appliance of the present invention.
Figure 10 shows that car is parked in the front view of uppermost storey location status.
Figure 11 is the birds-eye view of Figure 10.
Figure 12 is the front view of electrical control dish.
Figure 13 shows that the lift appliance of the present invention main portion approximate three-dimensional map of an example more again.
Figure 14 shows that the lift appliance of the present invention main portion approximate three-dimensional map of another example again.
Figure 15 illustrates the front view that car is parked in another state of hoistway upper position.
Vital circuit when Figure 16 shows that maintenance of the present invention, maintenance.
Figure 17 shows that the diagram of circuit of the fire control operation of lift appliance of the present invention.
Figure 18 shows that the diagram of circuit of another fire control operation of lift appliance of the present invention.
Figure 19 shows that the pie graph of another convertor device of lift appliance of the present invention.
Following according to Fig. 1, Fig. 2, an example of the present invention is described.The car 2 of lifting in hoistway 1 and to pouring weight 3 by a pair of car guide rail 4a, the 4b that erect to be provided with respectively and a pair of pouring weight guide rail 5a, 5b guiding is carried out lifting.This car 2 and pouring weight 3 suspended in midair by traction steel-cable 6.
Described traction steel-cable 6 props up on the car 2 track adjusting wheel 7a bottom transverse both sides, that be provided with steel wire rope groove, 7b and supports car 2 around hanging over pivot.And to pouring weight 3 by described traction steel-cable 6 is propped up thereon around hanging over pivot that the track adjusting wheel that is provided with steel wire rope groove 8 of portion is supported.
Like this around the traction steel-cable of hanging 6 on the traction steel-cable wheel 10 that hangs over the drive mechanism 9 that is disposed at hoistway 1 top and driven by traction.
One end of this traction steel-cable 6 is fixed on the fixing means 11 to the passage of pouring weight 3 top that is positioned at hoistway 1.The traction steel-cable 6 of drawing from fixing means 11 drops to the track adjusting wheel 8 to pouring weight 3 always, the another traction steel-cables wheel 10 that directly rises in the track adjusting wheel of reeling 8 backs.Traction steel-cable 6 behind the traction steel-cable of the reeling wheel 10 drops to car 2 bottoms once more, through track adjusting wheel 7a, the 7b of car 2, rises to the fixing means 12 on car guide rail 4a top, is fixed at the other end of this traction steel-cable 6.
Fixing mechanical base frame 13 at upper end loading to pouring weight guide rail 5a, 5b.This mechanical base frame 13 reaches the auxiliary part 13d that connects a pair of vertical post 13b, 13c up by mechanical base 13a, a pair of vertical post 13b, 13c and constitutes.Install and fix the anchor fitting 11 of drive mechanism 9 and traction steel-cable 6 one ends on the described mechanical base 13a, supporting each normal load.In addition, the upper end of vertical post 13b, 13c is fixed on the building beam (not shown) that is positioned at hoistway 1 uppermost position.On the auxiliary part 13d of vertical post 13b, 13c,, supporting the horizontal direction load of drive mechanism 9 about described connection by the top that supporting member 14 is supporting described drive mechanism 9.
On the other hand, by the side of door 15a, the 15b in building uppermost storey entrance hall, to drive the actuating device part of lift appliance be the electrical control dish 17 of control setup 16 to dress in disposing.Electrical control dish 17 has a 17a, opens this 17a, just can overhaul inner.
In addition, at the top of hoistway 1, one of fire detector for example smoke detector 18 is fixed on the described auxiliary part 13d by mounting member 18a.
On the ceiling of car 2, be provided with when car 2 is positioned at the top of hoistway 1, be positioned at the access hole 2a with described smoke detector 18 relative positions.From then on this access hole 2a can not go out the people usually with cap covers and lock.
When carrying out the maintenance of disaster prevention system, confirm the action of all fire detectors of building.At this moment, make car 2 stop at well headroom, open access hole 2a, just can arrive smoke detector 18 with watching, so, in car or from access hole 2a, leaning out body, the test of will moving is resisted against on the smoke detector 18 with utensil, just can confirm action.Like this, because can carry out the action test of smoke detector 18 from car 2, so, needn't access hole or fire protection gate be set in the building side, again because testing crew can carry out operation in the scope that accesses from car 2, so can ensure safety.
In addition, the signal of smoke detector 18 is connected to the center of taking precautions against natural calamities (not shown) by signal wire (SW) 18b, relay stroma 18c and signal wire (SW) 18d.
Because introduced the power supply of lift appliance driving usefulness in the electrical control dish 17, so, when carrying out the introducing operation of this power supply, by the signal wire (SW) 18d with the smoke detector 18 and the center of taking precautions against natural calamities be laid among the electrical control dish 17 or near, as long as smoke detector 18 is installed, and signal wire (SW) 18b is connected on the stroma 18c of relay, just can finish the installation wiring operation of smoke detector 18.
In this example, one end of main rope 6 and smoke detector 18 are bearing on the mechanical base frame 13, but also the two ends of traction steel-cable 6 directly can be fixed on respectively on the anchor fitting of building beam (not shown) etc. at hoistway 1 top, and smoke detector 18 is installed on the car guide rail 4a (4b).
In addition, in this example, mechanical base frame 13 is fixed on top to pouring weight guide rail 5a, makes this mechanical base frame 13 supporting drive mechanisms 9, but also can not use mechanical base frame 13, and drive mechanism 9 is bearing in well headroom.
That is, as shown in Figure 3, an end of traction steel-cable 6 is fixed on top to pouring weight guide rail 5a by adapter plate 19.The traction steel-cable 6 that stretches out from adapter plate 19 drops to and is installed in the track adjusting wheel on the pouring weight 38, takes turns 10 sides to the traction steel-cable of drive mechanism 9 after the track adjusting wheel of reeling 8 and rises, and is wound on the steel wire rope groove of traction steel-cable wheel 10.Then, traction steel-cable 6 drops to the bottom side of car 2, through a pair of track adjusting wheel 7a (7b), rises to the anchor fitting (not shown) of car guide rail 4a topmost at this.At this, the other end of traction steel-cable 6 is fixed.In addition, drive mechanism 9 is fixed on the top of car guide rail 4b, and smoke detector 18 is fixed on same car guide rail 4b by mounting member 18a, and smoke detector 18 is positioned at the top of drive mechanism 9.
Formation outside the above-mentioned formation is identical with above-mentioned example, and the mark that unaccounted symbol is identical with Fig. 1, Fig. 2 is represented identical member, so omit explanation once more.
Fig. 4 shows supporting and guide rail another example different with above-mentioned example of drive mechanism 9 and smoke detector 18.The mark identical with Fig. 1 and Fig. 2 represented identical member, and the Therefore, omited illustrates once more.
The drive mechanism 9 that is provided with traction steel-cable wheel 10 loads and is fixed on the mechanical base 13a, and this mechanical base 13a is fixed on the top of コ font ways 19a, 19b.
Each above example is by traction steel-cable 6 suspension craning cabs 2 with to pouring weight 3, and drives the so-called traction driven elevators device of this traction steel-cable 6 with traction steel-cable wheel 10, but also can use hydraulic pressure elevator device shown in Figure 5.
That is, a pair of car guide rail 4a, 4b that car 2 is provided with along the sandwich car by its guiding operation, carry out lifting with hydraulic jack 22 and drive.Hydraulic jack 22 is arranged in the melt pit of hoistway 1 by oil cylinder 22a with by its internal feed or the oily plunger 22b that stretches out indentation of discharge pressure being constituted, erectting.Upper end at plunger 22b is connected with the car frame 2b of supporting car 2.
The Maintenance and Repair operation of smoke detector 18 also can be carried out equally with each example.
In above-mentioned each example, ceiling at car 2 is provided with access hole 2a, utilize the equipment that is provided with in the hoistway relative with access hole 2a when car stops at uppermost storey that smoke detector 18 is installed, carry out the Maintenance and Repair of smoke detector 18 from the access hole 2a of ceiling.
But, shown in also can example as shown in Figure 6, on the side plate that constitutes car 2 sidewalls, form access hole 2c, and smoke detector 18 is installed in to be positioned at from this access hole 2c by mounting member 18a can overhauls equipment that the hoistway of position is provided with, for example be installed on the pouring weight guide rail 5a (5b).
Among above each example, access hole 2a is arranged on the ceiling of car 2 and opens in the formation of Maintenance and Repair that this access hole carries out smoke detector 18, this access hole 2a also can be also used as the safety mouthful of being located at the car ceiling.But safety mouthful can not be opened in the car and just can open from the outside without key, and above-mentioned access hole 2a opens with key in car.Therefore, when being also used as access hole 2a and safety mouth, must making in car and can open, simultaneously the structure of opening without key from external energy with key.
In addition, in above each example, the structure of utilizing the equipment that is provided with in the hoistways such as guide rail 4a, 4b, 5a, 5b or mechanical base frame 13 that smoke detector 18 is installed is illustrated, but also can utilizes the equipment that is provided with in the hoistway outside above-mentioned that smoke detector 18 is installed.In addition, as fire detector, the smoke detector 18 of being fuming with detection is that an example is illustrated, and gets angry or heat-producing thermal detector but also can use to detect.
Yet in above-mentioned each example, the relay stroma that comprises fire detector, the device driven of control car 2 and be enclosed in by the device etc. that floor call and car call are sent operating instruction is located in the other electrical control dish 17 of entrance hall side, but if the device of packing into is a lot, the depth dimensions of electrical control dish 17 just increases, will outwards protrude from the entrance hall wall, consider improper from the outward appearance aspect.
Under these circumstances, the control car is driven among the device of usefulness, the DC-to-AC converter and the transformation case of Spin Control hoisting motor be arranged in the hoistway, and in the electrical control dish outside hoistway, the equipment thinner of only packing into than the supply current circuit breaker of lift appliance, just can equally with the Maintenance and Repair of fire detector carry out the Maintenance and Repair of each device, and the electrical control dish of entrance hall side is not outwards protruded from the entrance hall wall.
Below utilize Fig. 7-Figure 12, other example is described, in this example, among the device that the driving lift appliance is used, the DC-to-AC converter of Spin Control hoisting motor and transformation case are the same with fire detector to be arranged in the hoistway.
Have car 2, to the setting of the drive mechanism 9 of pouring weight 3 and traction steel-cable wheel 10 and around hang traction steel-cable 6 on it detour route with in above-mentioned example, illustrated the same, the Therefore, omited illustrates once more.
As Fig. 7, shown in Figure 8, drive mechanism 9 is rotated control by the output of DC-to-AC converter 30.The electrical source of power of DC-to-AC converter 30 is supplied with by current breaker 31a from the power supply 100 of building.Voltage transformer 32a in the transformation case 32 is the supply transformer that vector control circuit 33, speed instruction circuit 34a and operation circuit 34b use, and voltage transformer 32b is the supply transformer of floor side apparatus 35 usefulness, and voltage transformer 32c is a chest 2g supply transformer on the car.Voltage transformer 32a, 32b in the transformer box 32, the primary side of 32c are provided with protection current breaker 31b.
The secondary side of voltage transformer 32a is provided with wire fuse 36a, the 36b that uses as short-circuit protection.In addition, the secondary side of voltage transformer 32b is provided with wire fuse 36c, and the secondary side of voltage transformer 32c is provided with wire fuse 36d.The mains lighting supply of car 2 is supplied with by afterbody cord 2e behind overcurrent release 31c from building lighting power supply 101.Circuit, electric consumption on lighting road and the input of control car call of control car door 2c, 2d (Fig. 9) and the circuit of response lamp etc. are housed in the chest 2g on the car.The circuit of chest 2g constitutes with the present invention on the car does not have direct relation, the Therefore, omited explanation.Chest 2g powers through afterbody cord 2e from the voltage transformer 32c in the transformer box 32 on the car.
In Fig. 8, drive mechanism 9 has drg 9a and detects the speed detector 9b of rotative speed.Drive mechanism 9 is rotated control by the output of DC-to-AC converter 30.
The formation of DC-to-AC converter 30 comprises: the building power supply is become straight-though rectifier 30a from exchange conversion, regenerating power with resistor absorption and regeneration power absorbs circuit 30b, the output of rectifier 30a is carried out the cond 30c of filtering, the inverter 30d that DC converting become is exchanged applies the vector control circuit 33 of pulse width signal pw and current probe 30e that alternating current is detected etc. to inverter 30d.Regenerating power absorbs circuit 30b and is made of resistor 30g and on-off element 30f.Resistor 30g is because of changing and in order to make the DC-to-AC converter miniaturization, being arranged on the outside of DC-to-AC converter 30.
The output of inverter 30d, with the current signal is of the signal sps of speed detector 9b and current probe 30e as return signal, press the speed signal spc of speed instruction circuit 34a, pulse width signal pw by vector control circuit 33, the alternating-current voltage/AC voltage of pulse type is put on drive mechanism 9, be rotated control.
Drg 9a by contactless switch 31k input or cut-out is opened or closed.Brake circuit is shared with power supply (operation circuit power 34e) with speed instruction circuit 34a shown in Figure 7, the power supply that operation circuit 34b uses.The input of the electric power of DC-to-AC converter 30 is powered through current breaker 31a and input or the contactless switch 31j that cuts off the electricity supply from building power supply 101.
The incoming signal of operation circuit 34b has calls out incoming signal 34b1, smoke detector incoming signal 34b2 and not shown cage position signal, vital circuit signal etc.In addition, operation circuit 34b has the function that the output floor button is lighted the function of the function of signal 34b3 and car door keying signal 34b4, keying contactless switch 31j, 31k and made current breaker 31a, 31c tripping operation.In addition, when operation circuit 34b also has the emergency situation of generation, play the function of refuge guide language.
Speed instruction circuit 34a produces the speed signal spc of follow floor to the purpose floor according to the signal sp of operation circuit 34b.When emergency situation took place, speed instruction circuit 34a accepted the nearest floor instruction of the stop of self-operating circuit 32b, and car 2 is promptly stopped.
Fig. 9, Figure 10 illustrate the configuring condition that car to above-mentioned formation carries out the appliance arrangement that drive controlling uses.Car 2 and to pouring weight 3 respectively along car guide rail 4a, 4b and pouring weight guide rail 5a, 5b are moved in hoistway.Car 2 and guiding is supported on each guide rail to pouring weight 3 car led boots and pouring weight is led boots do not illustrate in the drawings.In addition, each guide rail is by well enclosure or building beam support, and this is also not shown.
In addition, because the symbolic representation identical article identical with example shown in Figure 1, the Therefore, omited describes in detail.
The ceiling of car 2 is provided with the access hole 2a of the maintenance usefulness of the maintenance of carrying out smoke detector 18,24 and DC-to-AC converter 30.If operating personal arrives on the car ceiling from access hole 2a, just can carry out the Maintenance and Repair of transformer box 32 and resistor 30g.
On the other hand, the side of floor door 15a, the 15b of building uppermost storey is other dispose in the dress car drive the electrical control dish 17 of the part of usefulness control setup.There is a 17a in the front of electrical control dish 17, opens it just as shown in figure 12, can carry out the input of in-to-in maintenance and current breaker 31a, 31b, 31c and cut off.
As shown in figure 10, when car 2 was parked in the uppermost storey position, the position of access hole 2a just in time was to be fit to reach from the ceiling of car 2 carry out the maintenance of inverter 30 and the height of part replacement, and with the distance L of inverter 30 sides to be advisable for a short time.When DC-to-AC converter 30 et out of orders, in order to carry out the part replacement operation easily, when car 2 stopped at uppermost storey, preferably the lower end of DC-to-AC converter 30 was positioned at the position higher slightly than the ceiling position of car 2.
In addition, the position of smoke detector 18,24 preferably is positioned at health and does not lean out from access hole 2, in car the confirming operation of smoke detector is resisted against the position that just can test on the smoke detector with utensil (identical with utensil with the confirming operation of smoke detector in the building), this point is identical with above-mentioned example.Operating personal makes car 2 be parked in uppermost storey, pushes the stop button (not shown) in the operation board in the car, opens access hole 2a with key, moves test within car.In case access hole 2a is provided with uncover, just make lift appliance safety switch out of service (not shown).
The fabricated section 18a of smoke detector 18,24 is fixed on the part of mechanical base frame 13, but also can be fixed on the top of hoistway 1.
Above-mentioned explanation is the example that car 2 is provided with the access hole 2a of smoke detector 18,24 usefulness, but even without access hole 2a, operating personal also can carry out the Maintenance and Repair operation safely.That is, operating personal is taken advantage of on the car ceiling, pushes the operation of being located at this and carries out the low speed operation of rising with the low speed of the control box operation button that rises, in the position relative with smoke detector 18,24, hand leaves low speed rising operation button, makes car 2 out of service, just can carry out the Maintenance and Repair operation at this.
Then, the advantage that the top at hoistway is provided with DC-to-AC converter 30 and transformer box 32 describes.In Figure 11, floor door 15a, 15b are arranged at the companion way place of the hoistway 1 on the opposite of car door 2c, the 2d of car 2.The other electrical control dish 17 that is provided with of the side of floor door 15a.The longitudinal size of electrical control dish 17 is as the size of floor door 15a, 15b, and width is about 400-500mm, and thickness is about 100-150mm, is little and thin shape.
Car position detector position detector 2f and afterbody cord 2e are installed on the car 2.The left side of track adjusting wheel 7b disposes pouring weight guide rail 5a, 5b.Traction steel-cable wheel 10 is configured in the position of extremely close track adjusting wheel 7b.23a is the governor pulley, moves for promptly stop (not shown) that make car 2, must be configured near the car guide rail 4b.As can be seen from Figure 11, for small-sized and slim electrical control dish 17 is set in the uppermost storey entrance hall, the part branch of control setup must be arranged.
If this is adopted this example, then by DC-to-AC converter 30 being configured in the top of drive mechanism 9, and transformer box 32 and resistor 30g are configured in the top of speed governing with pulley 23a, just solved.
1. current breaker 31a, 31b, the 31c that uses at installation exercise stage sever supply power supply;
2. wire fuse 36a, 36b, 36c, the 36d of protective circuit;
3. drop into to cut off the contactless switch 31j that the supply power of DC-to-AC converter 30 is used;
4. open or the closed contactless switch 31k that uses as the drg 9a of protective device;
5. speed instruction circuit 34a;
6. might damaged operating instruction circuit 34b in the installation work stage.
The thickness of these equipment is below the 100-150mm, is arranged in the hoistway than current breaker and thick supply transformer 32a, 32b, the 32c of contactless switch.
According to the situation of equipment disposition, if with the voltage transformer of current breaker and contactless switch same thickness, also can be enclosed in the electrical control dish 17.
Like this, because the great majority of drive mechanism 9 and control circuit are arranged in the hoistway 1, so, when equipment for a certain reason get angry, when being fuming, its influence degree is compared with the existing lift appliance in the Machine Room that drive mechanism and control setup is arranged in addition well headroom and is obviously wanted big.
As mentioned above, smoke detector 18 shown in Figure 9 is that taking precautions against natural calamities of building side used smoke detector, and smoke detector 24 to be lift appliances use smoke detector, as shown in Figure 8, lift appliance is with the incoming signal 34b2 input operation circuit 34b of smoke detector 24.
In addition in Fig. 9, show the example that DC-to-AC converter 30 is configured in drive mechanism 9 tops, but also can be as shown in figure 13, resistor 30g is configured on the drive mechanism 9, and with connecting element 30m DC-to-AC converter 30 is fixed on the car guide rail 4b, transformer box 32 is fixed on the car guide rail 4b with connecting element 32d.Also can as shown in figure 14 transformer box 32 be configured on the drive mechanism 9 in addition, resistor 30g be fixed on the car guide rail 4b, DC-to-AC converter 30 is fixed on the car guide rail 4b with connecting element 30m with connecting element 30n.
On the other hand, in lift appliance, as shown in figure 15, prevent measure, the terminal limit switch 40 of forced stoppage is installed on the carriage 42 of hoistway internal fixation and stops the rising limit switch 41 of operation upward as the excessive rising of car 2.Make the cam 43 of above-mentioned limit switch 40,41 actions be located at car 2.The following a kind of safety system of rules and regulations, the uppermost storey in case this system's car 2 travelled, rising limit switch 41 promptly moves, and cuts off the operating instruction of direction upward.When further direction excessively rose upward, terminal limit switch 40 actions stopped car 2, fail to start more fully.With the distance L U of the ceiling of car 2 and hoistway ceiling is the below that safe limit switch 44 that predetermined distance for example moves during 1.5m is arranged on rising limit switch 41.Below with Figure 16 the sequential circuit of limit switch 44 that used this is described.In Figure 16, the power supply of (+) (-) indication circuit.45 expressions allow the relay of direction operation upward.46 is the switch in common closure in service.
When operating personal is done low speed rising operation at the ceiling of car 2, make switch 46 open circuits.When operating personal had been forgotten hand left above-mentioned low speed and rise the operation button in low speed rising operational process, limit switch 44 was forced open circuit, and relay 45 promptly disconnects, and car 2 is promptly ended ascent direction and moved.Because can guarantee the ceiling of car 2 and the safety distance LU of hoistway ceiling, so operating personal can carry out the confirming operation test of smoke detector 18,24 and the maintenance of DC-to-AC converter 30 safely.
Then use the diagram of circuit of Figure 17, the fire control operation of the lift appliance that uses smoke detector 24 is described.Operation circuit 34b has following function:
(1) car (P1) in operational process, when smoke detector action (P7), and begun when the purpose floor slows down (P8),, to open door at purpose floor flat bed (P9), play the alarm (P4) of " please promptly descending elevator " to the passenger, make after the passenger takes refuge, close door, force to make current breaker 31a, 31c tripping operation (P5), cut off power supply fully, prevent killed expansion the equipment of lift appliance.
(2) car (P1) in operational process, when smoke detector action (P7), and do not begin as yet when the purpose floor slows down (P8), send the instruction (P11) that rests in nearest floor, after nearest floor flat bed (P12), open door, play the alarm (P4) of " please promptly descending elevator " to the passenger, close door then, force to make current breaker 31a, 31c tripping operation (P5), cut off power supply fully the equipment of lift appliance.
(3) car (P1) in operational process when smoke detector does not move (P7), moves to the purpose floor, and after the flat bed, beginning is to the operation (P10) of next purpose floor.
(4) even car (P1) in the inoperative process, in the time of in (P2) out of service process that car door is closed, when action (P6) has taken place in smoke detector, because may have the passenger in the car, so, door opened, play the alarm (P4) of " please promptly descending elevator " to the passenger, close door then, make current breaker 31a, 31c force tripping operation (P5), cut off power supply lift appliance equipment.
(5) car (P1) in the inoperative process, in the time of in (P2) out of service process that car door is closed, when smoke detector moves when (P6), normal operation.
(6) when car in the inoperative process (P1) and car door is not closed, be not the state that stops in (P2) process, when smoke detector moves (P3), open door once more, the passenger is play the alarm (P4) of " please promptly descending elevator ", close door then, make current breaker 31a, 31c force tripping operation (P5), cut off power supply lift appliance equipment.
(7) do not close, be not the state that stops in (P2) process when car (P1), car door in the inoperative process, when smoke detector moves, normally move.
It is the signal of lift appliance with smoke detector 24 that the fire control of lift appliance moves employed smoke detector incoming signal 34b2 (Fig. 2), but also can be as the signal of building with smoke detector 18.
In addition, in the diagram of circuit of Figure 17, car is (P1) in operational process, when action takes place in smoke detector (P7), send the instruction (P11) that rests in nearest floor, make car at hithermost floor flat bed (P12), but also can be shown in the diagram of circuit of Figure 18, make car after purpose floor (P9) flat bed, open door, to the alarm (P4) of passenger's broadcast " please promptly descending elevator ", after the passenger goes down, close door, make current breaker 31a, 31c tripping operation (P5) again.
In addition, in the diagram of circuit of Figure 17, Figure 18, close and make current breaker 31a, 31c tripping operation (P5) behind the door, cut-out is to the power supply of lift appliance equipment, but also can before closing door, move as fire control, then according to the signal of smoke detector, cut off power supply to lift appliance by building side management personnel's judgement.
More than the DC-to-AC converter 30 of each example, mode with the resistor consumed power is illustrated, but also can use the pulse width signal pwv control output voltage that has by output voltage controlling circuit 30h, the DC-to-AC converter 30 that makes the circuit 30j of regenerative power as shown in figure 19.Under these circumstances, the resistor 30g that does not just have Fig. 8, Fig. 9, Figure 13 and Figure 14.
In addition, as known to the industry technical personnel, do not contain speed instruction circuit 34a in the DC-to-AC converter 30 of the invention process form, but DC-to-AC converter 30 also can contain the part of the function of speed instruction circuit 34a and operation circuit 34b.
Fire control of the present invention operation be with user's safety as first purpose, the expansion measure that prevents to burn is included in the disaster prevention system of whole building.
As mentioned above, if adopt the present invention,, just can realize simultaneously that effective utilization of building space and maintenance and existing apparatus have installation work performance equally easily and maintaining performance by suitable configuration lift appliance equipment.
Claims (12)
1. a lift appliance is characterized in that, when being positioned at the extreme higher position of hoistway when car, can access the hoistway of scope from car, fire detector is installed.
2. a lift appliance is characterized in that, the hoistway that can access scope when being positioned at the extreme higher position of hoistway when car, from car is provided with on the equipment, and fire detector is installed.
3. a lift appliance is characterized in that, and is relative with the fire detector that is provided with on the equipment in the hoistway that is installed in hoistway top, is provided with access hole on car.
4. a lift appliance comprises: along erectting the car of being located at the lifting rail in the hoistway; Suspend the traction steel-cable of this car in midair; Around hanging the also traction steel-cable wheel of this traction steel-cable of traction drive; And, have the drive mechanism that described hoistway top was taken turns and be located to this traction steel-cable, it is characterized in that, above described drive mechanism, be provided with fire detector.
5. a lift appliance comprises: along erectting the car of being located at the lifting rail in the hoistway; Suspend the traction steel-cable of this car in midair; Around hanging the also traction steel-cable wheel of this traction steel-cable of traction drive; And, have this traction steel-cable and take turns and be located at the drive mechanism on described hoistway top, it is characterized in that, above described drive mechanism, be provided with fire detector, and be provided with access hole in the position relative of described car with described fire detector.
6. elevator fire control operation is characterized in that, the action according to the fire detector of each record among the claim 1-5 makes operating car stop at the most close floor at least.
7. elevator fire control operation is characterized in that, according to the action of the fire detector of each record among the claim 1-5, the passenger is play the essential alarm of taking refuge.
8. elevator fire control operation is characterized in that, the action according to the fire detector of each record among the claim 1-5 after car stops, making the current breaker tripping operation of cut-out to the power supply of lift appliance.
9. lift appliance, it is characterized in that, be provided with fire detector at well headroom, near fire detector, be provided with drive mechanism simultaneously, and above this drive mechanism, dispose DC-to-AC converter, and be configured to when car is positioned at the uppermost storey position, the lower end of described DC-to-AC converter is positioned at the top of car roof canopy.
10. lift appliance according to claim 9 is characterized in that, is provided with access hole in the position of the close described DC-to-AC converter of described car.
11. lift appliance, it is characterized in that, configuration driven mechanical device and DC-to-AC converter or resistor in hoistway, the electrical control dish is set near the entrance hall outside hoistway, in this electrical control dish at least configuration cuts to the current breaker of the power supply of lift appliance, than the thick voltage transformer of current breaker near the DC-to-AC converter setting in the hoistway.
12. lift appliance, it is characterized in that, at well headroom fire detector is set, drive mechanism that drives car and DC-to-AC converter and transformer box and the resistor of controlling the elevator operation are set near fire detector simultaneously, and be configured to when car is positioned at the uppermost storey position, described DC-to-AC converter and transformer box and resistor are positioned at the top of car ceiling.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP226696/1998 | 1998-08-11 | ||
JP22669698A JP3603606B2 (en) | 1998-08-11 | 1998-08-11 | Elevator equipment |
JP226696/98 | 1998-08-11 | ||
JP10246742A JP2000072352A (en) | 1998-09-01 | 1998-09-01 | Elevator fire control device |
JP246742/1998 | 1998-09-01 | ||
JP246742/98 | 1998-09-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1244491A true CN1244491A (en) | 2000-02-16 |
CN1135205C CN1135205C (en) | 2004-01-21 |
Family
ID=26527307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991117948A Expired - Fee Related CN1135205C (en) | 1998-08-11 | 1999-08-11 | Lift device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1135205C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104986643A (en) * | 2015-08-06 | 2015-10-21 | 日立电梯(中国)有限公司 | Elevator limit protection control device and method |
CN107445007A (en) * | 2017-09-21 | 2017-12-08 | 怡达快速电梯有限公司 | Elevator mechanical stopping device |
CN111278760A (en) * | 2017-12-04 | 2020-06-12 | 通力股份公司 | Elevator provided with a device for making an opening through the roof of an elevator car |
CN113800362A (en) * | 2021-10-29 | 2021-12-17 | 重庆迈高电梯有限公司 | Double-lifting elevator for port |
-
1999
- 1999-08-11 CN CNB991117948A patent/CN1135205C/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104986643A (en) * | 2015-08-06 | 2015-10-21 | 日立电梯(中国)有限公司 | Elevator limit protection control device and method |
CN107445007A (en) * | 2017-09-21 | 2017-12-08 | 怡达快速电梯有限公司 | Elevator mechanical stopping device |
CN111278760A (en) * | 2017-12-04 | 2020-06-12 | 通力股份公司 | Elevator provided with a device for making an opening through the roof of an elevator car |
CN113800362A (en) * | 2021-10-29 | 2021-12-17 | 重庆迈高电梯有限公司 | Double-lifting elevator for port |
CN113800362B (en) * | 2021-10-29 | 2024-05-31 | 重庆迈高电梯有限公司 | Port double-lifting elevator |
Also Published As
Publication number | Publication date |
---|---|
CN1135205C (en) | 2004-01-21 |
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