CN203903710U - Accident moving protection device for elevator cage - Google Patents
Accident moving protection device for elevator cage Download PDFInfo
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- CN203903710U CN203903710U CN201420093567.3U CN201420093567U CN203903710U CN 203903710 U CN203903710 U CN 203903710U CN 201420093567 U CN201420093567 U CN 201420093567U CN 203903710 U CN203903710 U CN 203903710U
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- 230000033001 locomotion Effects 0.000 claims abstract description 62
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims description 24
- 238000012360 testing method Methods 0.000 description 16
- 230000006698 induction Effects 0.000 description 10
- 238000004804 winding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007123 defense Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
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Abstract
The utility model provides an accident moving protection device for an elevator cage, which comprises a cage monitoring system, a first safety relay and a second safety relay, wherein the cage monitoring system comprises a position monitoring module, a running speed monitoring module and a driving speed monitoring module, wherein the first safety relay comprises an elevator cage lifting information input port and a door area information input port which are both connected with the position monitoring module of the cage monitoring system; the second safety relay comprises a running speed input port and a driving speed input port which are respectively connected with the running speed monitoring module and the driving speed monitoring module of the cage monitoring system; the first safety relay and the second safety relay are serially connected with each other and are connected between a safety circuit and a running contactor. The accident moving protection device for the elevator cage provided by the utility model can be used for reducing the potential safety hazard caused by the accident movement of the elevator cage and increasing the whole safety performance of the elevator.
Description
Technical field
The utility model relates to elevator technology, especially, relates to a kind of accidental movement of elevator cage fender guard.
Background technology
Elevator is a kind of transportation means of vertical lift, and it can draw car by engine installation and deliver passenger or goods.Along with the development of computer technology, automatic technology and Power Electronic Technique, elevator is more and more higher in demand and the popularity rate of skyscraper and public place.
When the floor Men district of elevator car arrives passenger appointment, elevator drive system stops perpendicular movement by control lift car, and opens the gate of lift car and the Room door of this floor, so that passenger passes in and out lift car.But, in running process of elevator, likely occur causing lift car in floor door district, to occur non-road-holding property car accidental movement (Unintended Car Motion due to a certain component aging of elevator drive system or inefficacy, UCM) situation, this will bring great potential safety hazard to passenger.For preventing non-road-holding property car accidental movement, elevator device generally can arrange accidental movement of elevator cage fender guard, but traditional accidental movement of elevator cage fender guard generally adopts digital circuit to realize, and its safety protective effect is still undesirable.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of accidental movement of elevator cage fender guard.
The accidental movement of elevator cage fender guard that the utility model provides, comprise car monitored control system, the first safety relay and the second safety relay, wherein, described car monitored control system comprises monitoring position module, running velocity monitoring module and actuating speed monitoring module, described the first safety relay comprises lift car up-downgoing input information port He Men district input information port, the two is connected to the monitoring position module of described car monitored control system, described the second safety relay comprises running velocity input port and actuating speed input port, the two is connected respectively to running velocity monitoring module and the actuating speed monitoring module of described car monitored control system, described the first safety relay and described the second safety relay are connected mutually, and be connected between vital circuit and operation contactless switch.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described the first safety relay and described the second safety relay are safety relay module.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described monitoring position module comprises upper signal head, the next signal head He Men district switch, wherein said upper signal head and described the next signal head are interconnected and are further connected to the lift car up-downgoing input information port of described the first safety relay by "or" logical relation, described door district switch is connected to described the first safety relay Men district input information port; Described flat bed clamp comprises the position probing clamp corresponding with described monitoring position module.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described upper signal head and described the next signal head are infrared inductor, and described door district switch is electromagnetic inductor.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described running velocity monitoring module comprises car speed inductor and elevator car, described actuating speed monitoring module comprises elevator drive coder and electric life controller, and described car speed inductor is connected to the running velocity input port that described elevator car and described elevator car are further connected to described the second safety relay; Described elevator drive coder is connected to the actuating speed input port that described electric life controller and described electric life controller are further connected to described the second safety relay.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described flat bed clamp also comprises that the speed with a plurality of spaced speed detection unit detects clamp.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described car speed inductor is infrared inductor.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, it is inner that described monitoring position module and described running velocity monitoring module are configured in described car monitored control system with absolute-value device form.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, described actuating speed monitoring module is independent of described absolute-value device setting.
In a kind of preferred embodiment of the accidental movement of elevator cage fender guard providing at the utility model, it is inner that described monitoring position module, described running velocity monitoring module and described actuating speed monitoring module are configured in described car monitored control system with absolute-value device form.
The accidental movement of elevator cage fender guard that the utility model provides adopts the first safety relay and second safety relay of series connection mutually to replace traditional digital circuit; carry out accidental movement of elevator cage protection; thereby can effectively improve safety protective effect; the potential safety hazard of avoiding occurring the non-road-holding property accidental movement of lift car when flat bed door district passenger passes in and out lift car and bringing to passenger, the general safety performance of raising elevator.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of a kind of embodiment of accidental movement of elevator cage fender guard of providing of the utility model;
Fig. 2 is the electrical block diagram of the first safety relay of the accidental movement of elevator cage fender guard shown in Fig. 1;
Fig. 3 is the electrical block diagram of the second safety relay of the accidental movement of elevator cage fender guard shown in Fig. 1;
Fig. 4 is the structural representation of the another kind of embodiment of the accidental movement of elevator cage fender guard that provides of the utility model;
Fig. 5 is the structural representation of another embodiment of accidental movement of elevator cage fender guard of providing of the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of accidental movement of elevator cage fender guard to prevent that elevator from car accidental movement occurring in floor door district.Refer to Fig. 1, the structural representation of a kind of embodiment of accidental movement of elevator cage fender guard that it provides for the utility model.Described accidental movement of elevator cage fender guard 100 can be applied in rope elevator, and it comprises car monitored control system 10, the first safety relay 150 and the second safety relay 160.Wherein, described car monitored control system 10 can comprise monitoring position module 110, running velocity monitoring module 120, actuating speed detection module 130 and flat bed clamp 140.
It is outside that described monitoring position module 110 and described running velocity detection module 120 can be arranged on the envelope of described lift car, its two can be along with described lift car is in vertical motion.Described position detecting module 110 can comprise upper signal head (Upper Signaler, USI) 111, the next signal head (Lower Signaler, LSI) 112He Men district switch (Door Zone Switch, DZS) 113.Wherein, thereby described upper signal head 111 and described the next signal head 112 can setting parallel with one another form "or" logical relation, and the two is connected to respectively one of them input port (hereinafter referred to as first input end mouth or uplink and downlink signals input port) 151 of described the first safety relay 150 by switching diode; Described door district switch 113 can be connected to another input port (hereinafter referred to as the second input port or door district input information port) 152 of described the first safety control 150.
Described upper signal head 111 is arranged on described the next signal head 112 tops, and in one embodiment, described upper signal head 111 and described the next signal head 112 can all adopt infrared pickoff.Described door district switch 113 can adopt ferromagnetic switch, and the height of the induction part 116 of described door district switch 113 can be between the induction part 114 of described upper signal head 111 and the induction part 115 of described the next signal head 112.
Described flat bed clamp 140 can be arranged on elevator hoistways inside and be positioned at the relevant position in flat bed door district.Described flat bed clamp 140 can adopt trilobal cross baffle arrangement, and it comprises that position probing clamp 141 and speed detect clamp 142.Wherein, described position probing clamp 141 can coordinate described monitoring position module 110 to detect described lift car whether to enter or leave described flat bed door district; Described speed detects clamp 142 and can coordinate described running velocity monitoring module 120 to detect the running velocity of described lift car.
Particularly, described position probing clamp 141 and described speed detect clamp 142 adjacent settings respectively, and the described speed vertical length length of described lift car perpendicular movement direction (along) that detects clamp 142 is greater than the vertical length of described position probing clamp 141.Such as, in one embodiment, the vertical length of described position probing clamp 141 can be approximately 40 centimetres (cm), and the length of described speed detection clamp 142 is approximately 50cm, therefore the both sides that described speed detects clamp 142 about 5cm that stretches out on described position probing clamp 141 bases respectively, as shown in Figure 1.
Described position probing clamp 141 can comprise up-downgoing test section 146He Men district test section 147, wherein said up-downgoing test section 146 is arranged on a side that detects clamp 142 in described position probing clamp 141 away from described speed, and described door district test section 147 is arranged on a side of contiguous described speed detection clamp 142 in described position probing clamp 141.
When described lift car moves vertically upward or move downward and arrive described flat bed door district, described upper signal head 111 and described the next signal head 112 can detect the up-downgoing test section 146 of described position probing clamp 141, and described door district switch 113 can detect described position probing clamp 141Men district test section 147; Accordingly, described upper signal head 111 and described the next signal head 112 can be opened and export first signals to the first input end mouth 151 of described the first safety relay 150, and described door district switch 113 can be opened and export secondary signals to the second input port 152 of described the first safety relay 150.In specific embodiment, described first signal and described secondary signal can drag down the port voltage of the first input end mouth 151 of described the first safety relay 150 and described the second input port 152, so that described the first safety relay 150 starts safety control.
Because the induction part 116 of described door district switch 113 is between the induction part 114 of described upper signal head 111 and the induction part 115 of described the next signal head 112, therefore, when described lift car moves vertically upward, described upper signal head 111 is than described door district switch 113 pre-coolings, and described the next signal head 112 is delayed than described door district switch 113 and closed; Similar ground, when described lift car moves vertically downward, described the next signal head 112 is than described door district switch 113 pre-coolings, and described upper signal head 111 is delayed and is closed than described door district switch 113.Thus, described in the time of can guaranteeing control module startup corresponding with described the second input port 152 in described the first safety relay 150, another corresponding control module of first input end mouth 151 starts.
Described running velocity detection module 120 can comprise car speed inductor (Car Speed Sensor, CSS) 121 and elevator car (Car Controller) 123, wherein said car speed inductor 121 is connected to described elevator car 123, and described elevator car 123 is further connected to one of them input port (hereinafter referred to as first input end mouth or running velocity input port) 161 of described the second safety relay 160.Described actuating speed detection module 130 can comprise elevator drive coder (Elevator Motor Encoder, MEENC) 131 and electric life controller (Elevator Controller) 133, described elevator drive coder 131 is connected to described electric life controller 133, and described electric life controller 133 is further connected to another input port (hereinafter referred to as the second input port or actuating speed input port) 162 of described the second safety relay 160.
Described car speed inductor 121 can adopt infrared pickoff equally, and the induction part 122 of described car speed inductor 121 can approximately be positioned at identical height with the induction part 116 of described door district switch 113.Described speed detects clamp 142 can comprise running velocity test section 148, and described running velocity test section 148 is arranged on described speed and detects in clamp 142 side away from described position probing clamp 141.Described running velocity test section 148 can comprise a plurality of speed detection unit 149, described a plurality of speed detection unit 149 can be arranged in order and interval setting each other, such as, the height of each speed detection unit 149 can be approximately 1cm, and the height of the white space 144 between adjacent two speed detection unit 149 also can be approximately 1cm.
When described lift car is vertically upward or while moving downward and arriving described flat bed door district, described car speed inductor 121 will detect the running velocity test section 148 of described speed detection clamp 142, and described in when the induction part 122 of described car speed inductor 121 is relative with the speed detection unit 149 of described running velocity test section 148, car speed inductor 121 is by unlatching and export an impulse singla, and described in when described induction part 122 is relative with white space 144 between adjacent two speed detection unit 149, car speed inductor 121 will be closed and stop inputting described impulse singla.Because described running velocity test section 148 has the speed detection unit 149 that a plurality of consecutive intervals arrange, therefore described car speed inductor 121 will be to described elevator car 123 output continuous impulse signals.
Described elevator car 123 can, according to the continuous impulse signal of described car speed inductor 121 outputs, calculate the running velocity of described lift car.If the running velocity that described elevator car 123 detects described lift car surpasses preset value (such as 0.3 meter per second), the output that described elevator car 123 outputs to the first input end mouth 161 of described the second safety relay 160 will be eliminated, such as the port level of the first input end mouth 161 of described the second safety relay 160 now can be dragged down, to start corresponding safety control
Described elevator drive coder 131 can drive code signal to described electric life controller 133 outputs, and described driving code signal can be continuous impulse signal equally; Described electric life controller 133 drives the continuous impulse signal of coder 131 outputs according to described car, calculate the actuating speed of described lift car.Similar ground, if the actuating speed that described electric life controller 133 detects described lift car surpasses described preset value (such as 0.3 meter per second), the output that described electric life controller 133 outputs to the second input port 162 of described the second safety control 160 is eliminated equally, such as, the port level of the second input port 162 of now described the second safety control 160 can be dragged down, to start corresponding safety control.
Described the first safety relay 150 and the second safety relay 160 can be safety relay unit (SafetyRelayUnit, SRU), the two is mutually connected and is connected between vital circuit 180 and operation contactless switch 190, and described operation contactless switch 190 can further be connected to elevator drive system 170.Described the first safety relay 150 and described the second safety relay 160 can carry out elevator safety defense controls when non-road-holding property accidental movement appears in described lift car, such as output safety control signal so that the gate that described elevator drive system 170 is controlled described elevator emergency brakes or controlled lift car closes etc.
Particularly, the input signal detection that offers its input port 151 and 152 according to described monitoring position module 110 when described the first safety relay 150 goes out when gate described lift car under open mode of described lift car shifts out described flat bed door district, and described the first safety relay 150 can stop controlling described elevator emergency by output safety control signal.
On the other hand, the input signal detection that offers its input port 161 and 162 according to described running velocity monitoring module 120 and described actuating speed detection module 130 when described the second safety relay 160 goes out at the speed (surpassing described preset value 0.3/ second) of described lift car flat bed door district in the situation that described in described elevator car arrives, and described the second safety relay 160 can close to control the gate of described lift car by output safety control signal.
In addition, described the second safety relay 160 goes out the speed (surpass described preset value 0.3/ second) of described lift car in the situation that flat bed door district and gate are opened described in described elevator car arrives according to the input signal detection of its input port 161 and 162, described the second safety relay 160 also can output safety control signal to control described elevator emergency brake.
For further guaranteeing the safety performance of elevator, in operational process, described elevator drive system 170 can monitor described the first safety relay 150 and whether described the second safety relay 160 breaks down, and between two input ports such as the two, whether occurs short trouble.If there is short trouble between the first input end mouth 151 of described the first safety relay 150 and the second input port 152, or, between the first input end mouth 161 of described the second safety relay 160 and the second input port 162, there is short trouble, described elevator drive system 170 is by the pre-door opening function of the described lift car of forbidding with in other functions in flat bed door district, and described lift car is driven into lowest floor and stops, and open gate and discharge passenger and quit work to carry out repair and maintenance.
Refer to Fig. 2, it is the circuit diagram of 150 1 kinds of optional embodiments of the first safety relay of the accidental movement of elevator cage fender guard 100 shown in Fig. 1.Described the first safety relay 150 can comprise the first control module 153, the second control module 154, power module 155, switch module 156 and feedback module 157.
Wherein, described the first control module 153 comprises the first coil 201 and the first normal open switch 202; Wherein, described first coil 201 one end are connected to described power module 155, and the other end is connected to one end of described the first normal open switch 202, and the other end of described the first normal open switch 202 is connected to the first input end mouth 151 of described the first safety relay 150.
Described the second control module 154 comprises the second coil 203 and the second normal open switch 204; Wherein, described second coil 203 one end are connected to described power module 155, and the other end is connected to one end of described the second normal open switch 204, and the other end of described the second normal open switch 204 is connected to the second input port 152 of described the first safety relay 150.
Described power module 155 comprises tertiary winding 205, the 3rd normal open switch 206, the first normally closed switch 207 and the second normally closed switch 208; Wherein, described tertiary winding 205 one end are connected to voltage input end to receive positive voltage (as+24V), and the other end is connected to one end of described the second normally closed switch 208; The other end of described the second normally closed switch 208 is connected to ground terminal (as 0V) by described the first normally closed switch 207; Described the 3rd normal open switch 206 is parallel with one another with described the first normally closed switch 207.
Described switch module 156 comprises the 4th normal open switch 209, the 5th normal open switch 210 and the 3rd normally closed switch 211; Described the 4th normal open switch 209, described the 5th normal open switch 210 and described the 3rd normally closed switch 211 are connected successively and are connected between two switch port of described the first safety relay 150.
Described feedback module 157 comprises the 6th normal open switch 212, the 7th normal open switch 213 and the 4th normally closed switch 214, wherein, described the 6th normal open switch 215, described the 7th normal open switch 213 and described the 4th normally closed switch 214 are connected successively and are connected between two feedback ports of described the first safety relay 150.The feedback port of described the first safety relay 150 can further be connected to the car of elevator drive system 170 and control function test module, so that the feedback signal output of described the first safety relay 150 is carried out to car, controls function test.
Preferably, in specific embodiment, described the first control module 153 can also comprise the 8th normal open switch 215 and the 9th normal open switch 216, and described the 8th normal open switch 215 and described the 9th normal open switch 216 interconnect and are connected in parallel between described the first normal open switch 202.In addition, the two ends of described the first coil 201 can also be parallel with the first diode 217, between the first input end mouth 151 of described the first safety relay 150 and described power module 155, can also be connected with the first indicator lamp 218, wherein, described the first indicator lamp 218 can be light-emitting diode (Light Emitting Diode, LED), its positive pole is connected to the voltage input end of described power module 155 by the first resistance 219, and its negative pole is connected to the first input end mouth 151 of described the first safety relay 150.
Described the second control module 154 can also comprise the 5th normally closed switch 220 and the tenth normal open switch 221, and described the 5th normally closed switch 220 and described the tenth normal open switch 221 interconnect and are connected in parallel between described the second normal open switch 204.Similar ground, the two ends of described the second coil 202 can also be parallel with the second diode 222, between the first input end mouth 152 of described the second safety relay 150 and described power module 155, can also be connected with the second indicator lamp 223, such as, described the second indicator lamp 223 can be light-emitting diode equally, its positive pole is connected to the voltage input end of described power module 155 by the second resistance 224, and its negative pole is connected to the first input end mouth 152 of described the first safety relay 150.
Described power module 155 can also comprise the 3rd diode 225, the first electric capacity 226 and the 3rd resistance 227; Described the first electric capacity 226 and described the 3rd resistance 227 interconnect, and parallel with one another with described tertiary winding 205 and described the 3rd diode 225.
In described the first safety relay 153, described the first normal open switch 202, described the second normally closed switch 208, described the 5th normal open switch 210, described the 7th normal open switch 213 and described the 5th normally closed switch 220 are the controlled switch of described the first coil 201, and its on off state can change when described the first coil 201 energising.Described the second normal open switch 204, described the first normally closed switch 207, described the 4th normal open switch 209, described the 6th normal open switch 206 and described the 8th normal open switch 215 are the controlled switch of described the second coil 203, and its on off state can change when described the second coil 203 energising.Described the 3rd normal open switch 206, described the 3rd normally closed switch 211, described the 4th normally closed switch 214, described the 9th normal open switch 216 and described the tenth normal open switch 221 are the controlled switch of described tertiary winding 205, and its on off state can change when described tertiary winding 205 energising.
For ease of understanding, below sketch the working process of described the first safety relay 150.When described lift car does not also run to flat bed door district, the first input end mouth 151 of described the first safety relay 150 and the second input port 152 also have input and keep high level state, described the first coil 201 and described the second coil 202 all cannot form path therefore its controlled switch all keep original and often open or normally off.Described tertiary winding 205 forms path with described the first normally closed switch 207 and the second normally closed switch 208, therefore the on off state of the controlled switch of described tertiary winding 205 changes, such as described the 3rd normal open switch 206 is converted to closure state, and described the 3rd normally closed switch 211 and described the 4th normally closed switch 212 are converted to off-state, therefore not output of the switch port of described the first safety relay 150 and feedback port.
When described lift car does not also run to flat bed door district, thereby described upper signal head 111 and/or described the next signal head 112 detect the up-downgoing test section 146 of described position probing clamp 141 and produce signal the level of described first input end mouth 151 is dragged down, thereby described door district switch 113 detects described position probing clamp 141Men district test section 147 and produces signal the level of described the second input port 152 is dragged down.Now, described the first coil 201 and described the second coil 203 are switched on respectively and the on off state of its controlled switch are changed, and the energising of described tertiary winding 203 disconnects and make its controlled switch keep original switch state.Such as, described the first normal open switch 202, described the second normal open switch 204, the 4th normal open switch 209, the 5th normal open switch 210, the 6th normal open switch 212 and the 7th normal open switch 213 are converted to closure state, and described the 3rd normally closed switch 211 and described the 4th normally closed switch 214 revert to normally off; Therefore, the switch port of described the first safety relay 150 is interconnected and exports corresponding safety control signal, and the feedback port of described the first safety relay 150 is interconnected equally and exports corresponding feedback signal.
Refer to Fig. 3; it is the circuit diagram of 160 1 kinds of optional embodiments of the second safety relay of described accidental movement of elevator cage fender guard 100; circuit structure and the principle of work of the first safety relay 150 shown in the circuit structure of described the second safety control 160 and Fig. 2 are similar, repeat no more herein.As mentioned above, the first input end mouth 161 of described the second safety relay 160 and the port voltage of the second input port 162 exceed preset value (0.3 meter per second) time in the running velocity of described lift car and actuating speed respectively and are dragged down, thereby the switch port that makes described the second safety relay 160 is interconnected and exports corresponding safety control signal, and the feedback port of described the second safety relay 160 is interconnected equally and exports corresponding feedback signal.
Refer to Fig. 4; the structural representation of the another kind of embodiment of its accidental movement of elevator cage fender guard providing for the utility model; described accidental movement of elevator cage fender guard 400 is only applicable to rope elevator; and the accidental movement of elevator cage fender guard 100 shown in its structure and Fig. 1 is close; the key distinction is, the car monitored control system 40 of the accidental movement of elevator cage fender guard 400 of the present embodiment adopts absolute value configuration-systems to carry out the position of lift car and the monitoring of speed.
Particularly, described car monitored control system 40 comprises absolute-value device 410 and actuating speed detection module 440.In the process of the vertical operation of lift car, up-downgoing information when described absolute-value device 410 can detect elevator car arrives flat bed door district with and running velocity information, and respectively the up-downgoing information of described lift car, running velocity information He Men district switching information are outputed to respectively to up-downgoing information output mouth 421, running velocity output port 422He Men district information output mouth 431 by internal bus.Wherein, described up-downgoing information output mouth 421 and described running velocity output port 422 are connected respectively to the first input end mouth 451 of the first safety relay 450 and the first input end mouth 461 of the second safety relay 460, and described door district information output mouth 431 is connected to the second input port 452 of described the first safety relay 450.Actuating speed detection module 130 structural similitudies of the accidental movement of elevator cage fender guard 100 shown in described actuating speed detection module 440 and Fig. 1, and it is connected to the second input port 462 of described the second safety relay 460.
Described the first safety relay 450 can get the up-downgoing information He Men district switching information of described lift car by its first input end mouth 451 and the second input port 452 from described absolute-value device 410, described the second safety relay 460 can get running velocity information and the actuating speed information of described lift car by its first input end mouth 461 and the second input port 462 from described absolute-value device 410, and, the two carries out elevator safety defense controls when non-road-holding property accidental movement appears in described lift car according to above-mentioned information, such as output safety control signal so that the gate that described elevator drive system is controlled described elevator emergency brake or controlled lift car closes etc., specifically can consult the description of above embodiment.
Refer to Fig. 5, the structural representation of another embodiment of accidental movement of elevator cage fender guard that it provides for the utility model, described accidental movement of elevator cage fender guard 500 is only applicable to hydraulic elevator, and the accidental movement of elevator cage fender guard 400 shown in its structure and Fig. 4 is close, the key distinction is, the absolute value configuration-system of the car monitored control system 50 of the accidental movement of elevator cage fender guard 500 of the present embodiment also has actuating speed measuring ability simultaneously, therefore without the independent actuating speed detection module 440 of accidental movement of elevator cage fender guard 400 configuration as shown in Figure 4, detect the actuating speed of lift car.
Particularly; in the car monitored control system 50 of described accidental movement of elevator cage fender guard 500, up-downgoing information when absolute-value device 510 can detect described elevator car arrives flat bed door district, running velocity information, door district's switching information and actuating speed information.And described absolute-value device 510 can be exported to up-downgoing information output mouth 521, running velocity output port 522, door district's switching information output port 531 and actuating speed output port 532 by described up-downgoing information, described running velocity information, described door district's switching information and described actuating speed information respectively by bus.
On the other hand, described up-downgoing information output mouth 521 and described door district switching information output port 531 are further connected to respectively first input end mouth 551 and second input port 552 of the first safety relay 550, and described running velocity output port 522 and described actuating speed output port 532 are further connected to respectively first input end mouth 561 and second input port 562 of the second safety relay 560.Described the first safety relay 550 can get the up-downgoing information He Men district switching information of described lift car by its first input end mouth 551 and the second input port 552 from described absolute-value device 510, described the second safety relay 560 can get running velocity information and the actuating speed information of described lift car by its first input end mouth 561 and the second input port 562 from described absolute-value device 510, and the two carries out elevator safety defense controls when non-road-holding property accidental movement appears in described lift car according to above-mentioned information.
Location information and velocity information that the accidental movement of elevator cage fender guard that the utility model provides detects during according to elevator car arrives door district; and utilize safety governor to realize safety control; as emergency braking or close gate etc.; thereby the potential safety hazard of avoiding lift car to occur non-road-holding property car accidental movement in flat bed door district and bringing to passenger, the general safety performance of raising elevator.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an accidental movement of elevator cage fender guard, it is characterized in that, comprise car monitored control system, the first safety relay and the second safety relay, wherein, described car monitored control system comprises monitoring position module, running velocity monitoring module, actuating speed monitoring module and flat bed clamp, described the first safety relay comprises lift car up-downgoing input information port He Men district input information port, the two is connected to the monitoring position module of described car monitored control system, described the second safety relay comprises running velocity input port and actuating speed input port, the two is connected respectively to running velocity monitoring module and the actuating speed monitoring module of described car monitored control system, described the first safety relay and described the second safety relay are connected mutually, and be connected between vital circuit and operation contactless switch.
2. accidental movement of elevator cage fender guard as claimed in claim 1, is characterized in that, described the first safety relay and described the second safety relay are safety relay module.
3. accidental movement of elevator cage fender guard as claimed in claim 1, it is characterized in that, described monitoring position module comprises upper signal head, the next signal head He Men district switch, wherein said upper signal head and described the next signal head are interconnected and are further connected to the lift car up-downgoing input information port of described the first safety relay by "or" logical relation, described door district switch is connected to described the first safety relay Men district input information port; Described flat bed clamp comprises the position probing clamp corresponding with described monitoring position module.
4. accidental movement of elevator cage fender guard as claimed in claim 3, is characterized in that, described upper signal head and described the next signal head are infrared inductor, and described door district switch is electromagnetic inductor.
5. accidental movement of elevator cage fender guard as claimed in claim 1, it is characterized in that, described running velocity monitoring module comprises car speed inductor and elevator car, described actuating speed monitoring module comprises elevator drive coder and electric life controller, and described car speed inductor is connected to the running velocity input port that described elevator car and described elevator car are further connected to described the second safety relay; Described elevator drive coder is connected to the actuating speed input port that described electric life controller and described electric life controller are further connected to described the second safety relay.
6. accidental movement of elevator cage fender guard as claimed in claim 5, is characterized in that, described flat bed clamp also comprises that the speed with a plurality of spaced speed detection unit detects clamp.
7. accidental movement of elevator cage fender guard as claimed in claim 6, is characterized in that, described car speed inductor is infrared inductor.
8. accidental movement of elevator cage fender guard as claimed in claim 1, is characterized in that, it is inner that described monitoring position module and described running velocity monitoring module are configured in described car monitored control system with absolute-value device form.
9. accidental movement of elevator cage fender guard as claimed in claim 8, is characterized in that, described actuating speed monitoring module is independent of described absolute-value device setting.
10. accidental movement of elevator cage fender guard as claimed in claim 1; it is characterized in that, it is inner that described monitoring position module, described running velocity monitoring module and described actuating speed monitoring module are configured in described car monitored control system with absolute-value device form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093567.3U CN203903710U (en) | 2014-03-03 | 2014-03-03 | Accident moving protection device for elevator cage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093567.3U CN203903710U (en) | 2014-03-03 | 2014-03-03 | Accident moving protection device for elevator cage |
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| Publication Number | Publication Date |
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| CN203903710U true CN203903710U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093567.3U Expired - Fee Related CN203903710U (en) | 2014-03-03 | 2014-03-03 | Accident moving protection device for elevator cage |
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| Country | Link |
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| CN (1) | CN203903710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818794A (en) * | 2014-03-03 | 2014-05-28 | 中山市卓梅尼控制技术有限公司 | Protecting device for preventing elevator cage from accidently moving |
| CN113460823A (en) * | 2020-03-31 | 2021-10-01 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
-
2014
- 2014-03-03 CN CN201420093567.3U patent/CN203903710U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818794A (en) * | 2014-03-03 | 2014-05-28 | 中山市卓梅尼控制技术有限公司 | Protecting device for preventing elevator cage from accidently moving |
| CN103818794B (en) * | 2014-03-03 | 2016-06-08 | 中山市卓梅尼控制技术有限公司 | Prevent the protector of accidental movement of elevator cage |
| CN113460823A (en) * | 2020-03-31 | 2021-10-01 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
| CN113460823B (en) * | 2020-03-31 | 2022-12-27 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
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