CN103818794B - Prevent the protector of accidental movement of elevator cage - Google Patents
Prevent the protector of accidental movement of elevator cage Download PDFInfo
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- CN103818794B CN103818794B CN201410074918.0A CN201410074918A CN103818794B CN 103818794 B CN103818794 B CN 103818794B CN 201410074918 A CN201410074918 A CN 201410074918A CN 103818794 B CN103818794 B CN 103818794B
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Abstract
The present invention provides a kind of protector preventing accidental movement of elevator cage. described prevent the protector of accidental movement of elevator cage from comprising sedan-chair railway carriage or compartment supervisory system, first safe rly. and the 2nd safe rly., wherein, described sedan-chair railway carriage or compartment supervisory system is connected to described first safe rly. and described 2nd safe rly., described sedan-chair railway carriage or compartment supervisory system is for monitoring positional information and the speed information of lift car, and described positional information and described speed information are exported to respectively described first safe rly. and described 2nd safe rly., described first safe rly. and described 2nd safe rly. are used for positional information and the speed information according to described lift car and lift car are carried out safety control. provided by the invention prevent the protector of accidental movement of elevator cage from can reduce the potential safety hazard brought due to accidental movement of elevator cage, it is to increase the general safety performance of elevator.
Description
Technical field
The present invention relates to elevator technology, especially, it relates to a kind of protector preventing accidental movement of elevator cage.
Background technology
Elevator is the transportation means of a kind of VTOL (vertical take off and landing), and it draws sedan-chair railway carriage or compartment by power set and comes transporting passengers or goods. Along with the development of computer technology, automatic technology and Power Electronic Technique, demand and the popularity rate of elevator in Highrise buildings and public place is more and more higher.
When the door district of the floor that elevator car arrives passenger specifies, elevator drive system will control lift car and stop vertical movement, and open the sedan-chair door of lift car and the Room door of this floor, so that passenger passes in and out lift car. But, running process of elevator likely occurs cause lift car that accidental movement (UnintendedCarMotion in non-steering quality sedan-chair railway carriage or compartment occurs in floor door district due to a certain component aging of elevator drive system or inefficacy, UCM) situation, this will bring great potential safety hazard to passenger.
Summary of the invention
For solving the problems of the technologies described above, the present invention provides a kind of protector preventing accidental movement of elevator cage that can reduce the potential safety hazard that sedan-chair railway carriage or compartment accidental movement brings.
The protector preventing accidental movement of elevator cage provided by the invention, comprise sedan-chair railway carriage or compartment supervisory system, first safe rly. and the 2nd safe rly., wherein, described sedan-chair railway carriage or compartment supervisory system is connected to described first safe rly. and described 2nd safe rly., described sedan-chair railway carriage or compartment supervisory system is for monitoring positional information and the speed information of lift car, and described positional information and described speed information are exported to respectively described first safe rly. and described 2nd safe rly., described first safe rly. and described 2nd safe rly. are used for positional information and the speed information according to described lift car and lift car are carried out safety control, described sedan-chair railway carriage or compartment supervisory system is arranged on described lift car, and it comprises monitoring position module, described monitoring position module coordinates flat floor clamp to detect up-downgoing information and the door district switching information of described lift car, and respectively described up-downgoing information and door district switching information are exported to the first input port and the 2nd input port of described first safe rly., wherein said door district switching information is used to indicate the Ping Cengmen district whether described lift car arrives described flat floor clamp place, wherein, described monitoring position module comprises upper annunciator, the next annunciator and door district switch, wherein said upper annunciator and described the next annunciator are interconnected by "or" logic relation and are connected to the first of described first safe rly. further and input port, and described door district switch is connected to the 2nd input port of described first safe rly., described flat layer clamp comprises position detection clamp, described upper annunciator and described the next annunciator export corresponding indicator signal when the up-downgoing detection portion of described position detection clamp being detected to the first input port of described first safe rly., and described door district switch exports corresponding indicator signal when the detection portion of door district of described position detection clamp being detected to the 2nd input port of described first safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention, described sedan-chair railway carriage or compartment supervisory system also comprises travelling speed monitoring module and drives speed monitoring module, described travelling speed monitoring module comprises car speed inductor block and elevator car, described driving speed monitoring module comprises elevator drive encoder and elevator controlling device, and described car speed inductor block is connected to described elevator car and described elevator car is connected to the first input port of described 2nd safe rly. further; Described elevator drive encoder is connected to described elevator controlling device and described elevator controlling device is connected to the 2nd input port of described 2nd safe rly. further.
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention, described flat layer clamp also comprises the velocity measuring clamp with multiple spaced speed detection unit, described car speed inductor block detects the speed detection unit of described velocity measuring clamp and exports successive pulse signal, described elevator car calculates the travelling speed of described lift car according to described successive pulse signal, and export corresponding indicator signal when the travelling speed of described lift car exceeds preset value to the first input port of described 2nd safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention; described elevator drive encoder is used for exporting to described elevator controlling device driving coded signal; described elevator controlling device is used for calculating the driving speed of described lift car according to described driving coded signal, and exports corresponding indicator signal when the driving speed of described lift car exceeds described preset value to the 2nd input port of described 2nd safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention, described sedan-chair railway carriage or compartment supervisory system comprises absolute value device, and described absolute value device is connected to described first safe rly. and described 2nd safe rly.; Described absolute value device comprises magnet circle and inductor block, for coordinating, described magnet circle detects the up-downgoing information of described lift car, door district switching information and travelling speed information to described inductor block, described absolute value device also comprises up-downgoing information output mouth, door district switching information output port and travelling speed output port, described up-downgoing information output mouth and described travelling speed output port are connected to described first safe rly., and for the up-downgoing information of described lift car and travelling speed information being exported to described first safe rly.; Described door district switching information output port is connected to described 2nd safe rly., and for the door district switching information of described lift car is exported to described 2nd safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention; described sedan-chair railway carriage or compartment supervisory system also comprises described driving speed monitoring module, and described driving speed monitoring module is for detecting the driving speed information of described lift car and described driving speed information is exported to described 2nd safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention; described inductor block is also for coordinating described magnet circle to detect the driving speed information of described lift car; and described absolute value device also comprises driving speed output port; described driving speed output port is connected to described 2nd safe rly., for the driving speed information of described lift car is exported to described 2nd safe rly..
In the better embodiment of one of the protector preventing accidental movement of elevator cage provided by the invention, described first safe rly. when detecting out that described lift car moves out of described Ping Cengmen district under the sedan-chair door of described lift car is in the state of opening output safety control signal to control, described elevator emergency stops, described 2nd safe rly. closes to control the sedan-chair door of described lift car when detecting out the output safety control signal when the speed of described lift car exceeds preset value when Ping Cengmen district described in described elevator car arrives, and described 2nd safe rly. when the speed detecting out the described lift car when Ping Cengmen district described in described elevator car arrives and sedan-chair door open exceeds preset value output safety control signal to control described elevator emergency brake.
Provided by the invention prevent the protector of accidental movement of elevator cage according to the positional information detected during elevator car arrives door district and speed information; and utilize safety governor realize such as snub or close the safety controls such as sedan-chair door; thus the potential safety hazard avoided the non-steering quality accidental movement of lift car occurs when Ping Cengmen district passenger passes in and out lift car and bring to passenger, it is to increase the general safety performance of elevator.
Accompanying drawing explanation
In order to the technical scheme being illustrated more clearly in the embodiment of the present invention, below the accompanying drawing used required in embodiment being described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structural representation preventing a kind of embodiment of the protector of accidental movement of elevator cage provided by the invention;
Fig. 2 is the electrical block diagram of the first safe rly. of the protector preventing accidental movement of elevator cage shown in Fig. 1;
Fig. 3 is the electrical block diagram of the 2nd safe rly. of the protector preventing accidental movement of elevator cage shown in Fig. 1;
Fig. 4 is the structural representation of protector another kind of embodiment preventing accidental movement of elevator cage provided by the invention;
Fig. 5 is the structural representation of another embodiment of protector preventing accidental movement of elevator cage provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention provides a kind of and prevents the protector of accidental movement of elevator cage to prevent elevator at generation sedan-chair railway carriage or compartment, floor door district accidental movement. Referring to Fig. 1, it is the structural representation preventing a kind of embodiment of the protector of accidental movement of elevator cage provided by the invention. Described preventing the protector 100 of accidental movement of elevator cage can be applied in rope elevator, it comprises the safe rly. 150 of sedan-chair railway carriage or compartment supervisory system 10, first and the 2nd safe rly. 160. Wherein, described sedan-chair railway carriage or compartment supervisory system 10 can comprise monitoring position module 110, travelling speed monitoring module 120, drive velocity measuring module 130 peace layer clamp 140.
The envelope that described monitoring position module 110 and described travelling speed detection module 120 can be arranged on described lift car is outside, can be in vertical motion along with described lift car both it. Described position detecting module 110 can comprise upper annunciator (UpperSignaler, USI) 111, the next annunciator (LowerSignaler, LSI) 112 and door district switch (DoorZoneSwitch, DZS) 113. Wherein, described upper annunciator 111 and described the next annunciator 112 can setting parallel with one another thus form "or" logic relation, and the two is connected to one of them input port (hereinafter referred to as the first input port) 151 of described first safe rly. 150 respectively by switching diode; Described door district switch 113 can be connected to another input port (hereinafter referred to as the 2nd input port) 152 of described first safety control 150.
Described upper annunciator 111 is arranged on above described the next annunciator 112, and in one embodiment, described upper annunciator 111 and described the next annunciator 112 can all adopt infrared sensor. Described door district switch 113 can adopt ferromagnetic switch, and the height of the induction part 116 of described door district switch 113 can between the induction part 114 of described upper annunciator 111 and the induction part 115 of described the next annunciator 112.
Described flat floor clamp 140 can be arranged on elevator hoistways inside and be positioned at the corresponding position in Ping Cengmen district. Described flat layer clamp 140 can adopt trilobal cross baffle arrangement, and it comprises position detection clamp 141 and velocity measuring clamp 142. Wherein, detection clamp 141 in described position can coordinate whether described monitoring position module 110 enters or leave described Ping Cengmen district to detect described lift car; Described velocity measuring clamp 142 can coordinate described travelling speed monitoring module 120 to detect the travelling speed of described lift car.
Specifically, described position detection clamp 141 and described velocity measuring clamp 142 are disposed adjacent respectively, and the vertical length of described velocity measuring clamp 142 (namely along the length in described lift car vertical movement direction) is greater than the vertical length of described position detection clamp 141. Such as, in one embodiment, the vertical length of described position detection clamp 141 can be approximately 40 centimetres (cm), and the length of described velocity measuring clamp 142 is approximately 50cm, therefore the both sides of described velocity measuring clamp 142 are detected in described position respectively on clamp 141 basis and are outwards extended about 5cm, as shown in Figure 1.
Described position detection clamp 141 can comprise up-downgoing detection detection portion of Bu146He Men district 147, the side that wherein said up-downgoing detection portion 146 is arranged in described position detection clamp 141 away from described velocity measuring clamp 142, and detection portion of described door district 147 is arranged on the side of contiguous described velocity measuring clamp 142 in described position detection clamp 141.
When described lift car move vertically upward or move downward and when arriving described Ping Cengmen district, described upper annunciator 111 and described the next annunciator 112 can detect the up-downgoing detection portion 146 of described position detection clamp 141, and described door district switch 113 can detect the detection portion of door district 147 of described position detection clamp 141; Accordingly, described upper annunciator 111 and described the next annunciator 112 can be opened and export the first signal to the first input port 151 of described first safe rly. 150, and described door district switch 113 can be opened and export second signal to the 2nd input port 152 of described first safe rly. 150. In a particular embodiment, the port voltage of the first input port 151 of described first safe rly. 150 and described 2nd input port 152 can be drawn low by described first signal and described second signal, so that described first safe rly. 150 starts safety control.
Owing to the induction part 116 of described door district switch 113 is between the induction part 114 and the induction part 115 of described the next annunciator 112 of described upper annunciator 111, therefore, when described lift car moves vertically upward, described upper annunciator 111 is than described door district switch 113 pre-cooling, and described the next annunciator 112 delays cut out than described door district switch 113; Analogously, when described lift car moves vertically downward, described the next annunciator 112 is than described door district switch 113 pre-cooling, and described upper annunciator 111 delays cut out than described door district switch 113. Thus, it is ensured that first another control module inputting port 151 corresponding described in when control module corresponding with described 2nd input port 152 in described first safe rly. 150 starts starts.
Described travelling speed detection module 120 can comprise car speed inductor block (CarSpeedSensor, CSS) 121 and elevator car (CarController) 123, wherein said car speed inductor block 121 is connected to described elevator car 123, and described elevator car 123 is connected to one of them input port (hereinafter referred to as the first input port) 161 of described 2nd safe rly. 160 further. Described driving velocity measuring module 130 can comprise elevator drive encoder (ElevatorMotorEncoder, MEENC) 131 and elevator controlling device (ElevatorController) 133, described elevator drive encoder 131 is connected to described elevator controlling device 133, and described elevator controlling device 133 is connected to another input port (hereinafter referred to as the 2nd input port) 162 of described 2nd safe rly. 160 further.
Described car speed inductor block 121 can adopt infrared sensor equally, and the induction part 122 of described car speed inductor block 121 approximately can be positioned at identical height with the induction part 116 of described door district switch 113. Described velocity measuring clamp 142 can comprise travelling speed detection portion 148, and described travelling speed detection portion 148 is arranged in described velocity measuring clamp 142 away from the side of described position detection clamp 141. Described travelling speed detection portion 148 can comprise multiple speed detection unit 149, described multiple speed detection unit 149 can be arranged in order and interval is arranged each other, such as, the height of each speed detection unit 149 can be approximately 1cm, and the height in the blank region 144 between adjacent two speed detection unit 149 can also be approximately 1cm.
When described lift car vertically upward or move downward and when arriving described Ping Cengmen district, described car speed inductor block 121 will detect the travelling speed detection portion 148 of described velocity measuring clamp 142, and described car speed inductor block 121 by unlatching and exports a pulse signal when the induction part 122 of described car speed inductor block 121 is relative with the speed detection unit 149 in described travelling speed detection portion 148, and described car speed inductor block 121 by closedown and stops inputting described pulse signal in blank region 144 between described induction part 122 with adjacent two speed detection unit 149 is relative. owing to described travelling speed detection portion 148 has the speed detection unit 149 of multiple consecutive intervals setting, therefore described car speed inductor block 121 will export successive pulse signal to described elevator car 123.
The successive pulse signal that described elevator car 123 can export according to described car speed inductor block 121, calculates the travelling speed of described lift car. If the travelling speed that described elevator car 123 detects described lift car exceedes preset value (such as 0.3 meter/second), the work output of the first input port 161 that described elevator car 123 outputs to described 2nd safe rly. 160 will be eliminated, such as now the port level of the first input port 161 of described 2nd safe rly. 160 can be drawn low, to start corresponding safety control
Described elevator drive encoder 131 can export to described elevator controlling device 133 and drive coded signal, and described driving coded signal can be successive pulse signal equally; Described elevator controlling device 133 drives the successive pulse signal of encoder 131 output according to described sedan-chair railway carriage or compartment, calculates the driving speed of described lift car. Analogously, if the driving speed that described elevator controlling device 133 detects described lift car exceedes described preset value (such as 0.3 meter/second), the work output of the 2nd input port 162 that described elevator controlling device 133 outputs to described 2nd safety control 160 is eliminated equally, such as, the port level of the 2nd input port 162 of now described 2nd safety control 160 can be drawn low, to start corresponding safety control.
Described first safe rly. 150 and the 2nd safe rly. 160 can be safe rly. unit (SafetyRelayUnit, SRU), the two is mutually connected and is connected to safety circuit 180 and runs between contactor 190, and described operation contactor 190 can be connected to elevator drive system 170 further. Described first safe rly. 150 and described 2nd safe rly. 160 can carry out elevator safety defense controls when non-steering quality accidental movement occurs in described lift car, and such as output safety control signal is so that the sedan-chair door that described elevator drive system 170 controls described elevator emergency brake or control lift car closes.
Specifically, when according to input signal detection that described monitoring position module 110 is supplied to its input port 151 and 152, described first safe rly. 150 goes out that described lift car moves out of described Ping Cengmen district under the sedan-chair door of described lift car is in the state of opening, described first safe rly. 150 can output safety control signal to control, described elevator emergency stops.
On the other hand, monitoring, according to described travelling speed, input signal detection that module 120 and described driving velocity measuring module 130 be supplied to its input port 161 and 162 when described 2nd safe rly. 160 to go out in the speed very fast (exceeding described preset value 0.3/ second) of described lift car when Ping Cengmen district described in described elevator car arrives, described 2nd safe rly. 160 can output safety control signal close to control the sedan-chair door of described lift car.
In addition, described 2nd safe rly. 160 goes out the speed very fast (exceeding described preset value 0.3/ second) of the described lift car when Ping Cengmen district described in described elevator car arrives and sedan-chair door open according to the input signal detection of its input port 161 and 162, described 2nd safe rly. 160 can also output safety control signal to control described elevator emergency brake.
For ensureing the safety performance of elevator further, in operational process, described elevator drive system 170 can monitor described first safe rly. 150 and whether described 2nd safe rly. 160 breaks down, and such as whether short trouble occurs between two the input ports of the two. If short trouble occurring between the first input port 151 of described first safe rly. 150 and the 2nd input port 152, or, between first input port 161 of described 2nd safe rly. 160 and the 2nd input port 162, short trouble occurs, described elevator drive system 170 is by the pre-enabling function of the described lift car of forbidding and other functions in Ping Cengmen district, and described lift car is driven into lowest floor stop, and opens sedan-chair door release passenger and stop work to carry out repair and maintenance.
Refer to Fig. 2, the circuit diagram of its first safe rly. 150 1 kinds of optional embodiments being the protector 100 preventing accidental movement of elevator cage shown in Fig. 1. Described first safe rly. 150 can comprise the first control module 153, the 2nd control module 154, power supply module 155, switch module 156 and feedback module 157.
Wherein, described first control module 153 comprises the first coil 201 and first often switch 202; Wherein, described first coil 201 one end is connected to described power supply module 155, and the other end is connected to one end of the described first normal switch 202, and the other end of the described first normal switch 202 is connected to the first input port 151 of described first safe rly. 150.
Described 2nd control module 154 comprises two coil 203 and the 2nd often switch 204; Wherein, described two coil 203 one end is connected to described power supply module 155, and the other end is connected to one end of the described 2nd normal switch 204, and the other end of the described 2nd normal switch 204 is connected to the 2nd input port 152 of described first safe rly. 150.
Described power supply module 155 comprises tertiary winding 205, the 3rd often normally closed switch 207 of switch 206, first and the 2nd normally closed switch 208; Wherein, described tertiary winding 205 one end is connected to voltage input end to receive positive voltage (such as+24V), and the other end is connected to one end of described 2nd normally closed switch 208; The other end of described 2nd normally closed switch 208 is connected to ground terminal (such as 0V) by described first normally closed switch 207; Described 3rd often switch 206 is parallel with one another with described first normally closed switch 207.
Described switch module 156 comprises the 4th often switch 209,5 constant virtues switch 210 and the 3rd normally closed switch 211; Described 4th often switch 209, described 5 constant virtues switch 210 and described 3rd normally closed switch 211 are connected successively and are connected between two switch port of described first safe rly. 150.
Described feedback module 157 comprises the 6th normal switch 212, the 7th often switch 213 and the 4th normally closed switch 214, wherein, the described 6th often switch 215, the described 7th often switch 213 and described 4th normally closed switch 214 are connected successively and are connected between two feedback ports of described first safe rly. 150. The feedback port of described first safe rly. 150 can be connected to the sedan-chair railway carriage or compartment controlling functions test module of elevator drive system 170 further, carries out the controlling functions test of sedan-chair railway carriage or compartment the feedback signal of described first safe rly. 150 to be exported.
Preferably, in a particular embodiment, described first control module 153 can also comprise the 8th normal switch 215 and the 9th often switch 216, the described 8th often switch 215 and the described 9th often switch 216 be interconnected and be connected in parallel on described first and often open between switch 202. In addition, the two ends of described first coil 201 can also be parallel with the first diode 217, the first pilot lamp 218 can also be connected with between first input port 151 of described first safe rly. 150 and described power supply module 155, wherein, described first pilot lamp 218 can be photodiode (LightEmittingDiode, LED), its positive pole is connected to the voltage input end of described power supply module 155 by the first resistance 219, and its negative pole is connected to the first input port 151 of described first safe rly. 150.
Described 2nd control module 154 can also comprise 5 constant virtues and close switch 220 and the tenth often switch 221, described 5 constant virtues close switch 220 and the described tenth often switch 221 be interconnected and be connected in parallel on the described 2nd and often open between switch 204. Analogously, the two ends of described two coil 202 can also be parallel with the 2nd diode 222, the 2nd pilot lamp 223 can also be connected with between first input port 152 of described 2nd safe rly. 150 and described power supply module 155, such as, described 2nd pilot lamp 223 can be photodiode equally, its positive pole is connected to the voltage input end of described power supply module 155 by the 2nd resistance 224, and its negative pole is connected to the first input port 152 of described first safe rly. 150.
Described power supply module 155 can also comprise the 3rd diode 225, first electric capacity 226 and the 3rd resistance 227; Described first electric capacity 226 and described 3rd resistance 227 are interconnected, and parallel with one another with described tertiary winding 205 and described 3rd diode 225.
In described first safe rly. 153, described first often switch 202, described 2nd normally closed switch 208, described 5 constant virtues switch 210, the described 7th often close the controlled switch that switch 220 is described first coil 201 in switch 213 and described 5 constant virtues, its switch state can change when described first coil 201 is energized. Described 2nd often switch 204, described first normally closed switch 207, the described 4th often switch 209, the described 6th often switch 206 and the described 8th often switch 215 be the controlled switch of described two coil 203, its switch state can change when described two coil 203 is energized. Described 3rd often switch 206, described 3rd normally closed switch 211, described 4th normally closed switch 214, the described 9th often switch 216 and the described tenth often switch 221 be the controlled switch of described tertiary winding 205, its switch state can change when described tertiary winding 205 is energized.
For ease of understanding, below sketch the working process of described first safe rly. 150. When described lift car does not also run to Ping Cengmen district, first input port 151 and the 2nd input port 152 of described first safe rly. 150 also have input and keep high level state, described first coil 201 and described two coil 202 all cannot be formed path therefore its controlled switch all keep original and often open or normally off. Described tertiary winding 205 forms path with described first normally closed switch 207 and the 2nd normally closed switch 208, therefore the switch state of the controlled switch of described tertiary winding 205 changes, such as the described 3rd often switch 206 be converted to closed state, and described 3rd normally closed switch 211 and described 4th normally closed switch 212 are converted to disconnection state, therefore the switch port of described first safe rly. 150 and feedback port do not export.
When described lift car does not also run to Ping Cengmen district, described upper annunciator 111 and/or described the next annunciator 112 detect the up-downgoing detection portion 146 of described position detection clamp 141 and produce signal thus draw low by the level of described first input port 151, and described door district switch 113 detects the detection portion of door district 147 of described position detection clamp 141 and produces signal thus draw low by the level of described 2nd input port 152. Now, described first coil 201 and described two coil 203 are energized respectively and the switch state of its controlled switch are changed, and the energising of described tertiary winding 203 disconnects and makes its controlled switch keep original switch state. Such as, described first often switch 202, the described 2nd often switch 204, the 4th often switch 209,5 constant virtues switch 210, the 6th often switch 212 and the 7th often switch 213 be converted to closed state, and described 3rd normally closed switch 211 and described 4th normally closed switch 214 recover as normally off; Therefore, the switch port of described first safe rly. 150 is interconnected and exports corresponding safety control signal, and the feedback port of described first safe rly. 150 is interconnected equally and exports corresponding feedback signal.
Refer to Fig. 3; it prevents the circuit diagram of the 2nd safe rly. 160 1 kinds of optional embodiments of protector 100 of accidental movement of elevator cage described in being; the circuit structure of described 2nd safety control 160 is mutually similar with circuit structure and the principle of work of the safe rly. of first shown in Fig. 2 150, repeats no more herein. As mentioned above, first input port 161 of described 2nd safe rly. 160 and the port voltage of the 2nd input port 162 are drawn low respectively when the travelling speed of described lift car and driving speed exceed preset value (0.3 meter/second), so that the switch port of described 2nd safe rly. 160 is interconnected and exports corresponding safety control signal, and the feedback port of described 2nd safe rly. 160 is interconnected equally and exports corresponding feedback signal.
Refer to Fig. 4; its structural representation being protector another kind of embodiment preventing accidental movement of elevator cage provided by the invention; described the protector 400 of accidental movement of elevator cage is prevented to be only applicable to rope elevator; and prevent the protector 100 of accidental movement of elevator cage close shown in its structure and Fig. 1; the key distinction is, the sedan-chair railway carriage or compartment supervisory system 40 of the protector 400 preventing accidental movement of elevator cage of the present embodiment adopts absolute value configuration-system to carry out the position of lift car and the monitoring of speed.
Specifically, described sedan-chair railway carriage or compartment supervisory system 40 comprises absolute value device 410 and drives velocity measuring module 440. In the process that lift car vertically runs, up-downgoing information when described absolute value device 410 can detect elevator car arrives Ping Cengmen district and its travelling speed information, and respectively the up-downgoing information of described lift car, travelling speed information and door district switching information are outputted to up-downgoing information output mouth 421, travelling speed output port 422 and door district information output mouth 431 respectively by inner bus. Wherein, described up-downgoing information output mouth 421 and described travelling speed output port 422 are connected respectively to the first input port 451 of the first safe rly. 450 and the first input port 461 of the 2nd safe rly. 460, and described door district information output mouth 431 is connected to the 2nd input port 452 of described first safe rly. 450. Described driving velocity measuring module 440 is similar to driving velocity measuring module 130 structure of the protector 100 preventing accidental movement of elevator cage shown in Fig. 1, and it is connected to the 2nd input port 462 of described 2nd safe rly. 460.
Described first safe rly. 450 can get up-downgoing information and the door district switching information of described lift car by its first input port 451 and the 2nd input port 452 from described absolute value device 410, described 2nd safe rly. 460 can get travelling speed information and the driving speed information of described lift car by its first input port 461 and the 2nd input port 462 from described absolute value device 410, and, the two carries out elevator safety defense controls according to above-mentioned information when non-steering quality accidental movement occurs in described lift car, such as output safety control signal is so that the sedan-chair door that described elevator drive system controls described elevator emergency brake or control lift car closes, specifically can consult the description of above embodiment.
Refer to Fig. 5, its structural representation being another embodiment of protector preventing accidental movement of elevator cage provided by the invention, described the protector 500 of accidental movement of elevator cage is prevented to be only applicable to hydraulic pressure elevator, and prevent the protector 400 of accidental movement of elevator cage close shown in its structure and Fig. 4, the key distinction is, the absolute value configuration-system of the sedan-chair railway carriage or compartment supervisory system 50 of the protector 500 preventing accidental movement of elevator cage of the present embodiment also has driving velocity measuring function simultaneously, therefore independent driving velocity measuring module 440 is configured to detect the driving speed of lift car without the need to the protector 400 of accidental movement of elevator cage that prevents as shown in Figure 4.
Specifically; in the sedan-chair railway carriage or compartment supervisory system 50 of the described protector 500 preventing accidental movement of elevator cage, up-downgoing information when absolute value device 510 can detect described elevator car arrives Ping Cengmen district, travelling speed information, door district switching information and drive speed information. Further, described up-downgoing information, described travelling speed information, described door district switching information and described driving speed information can be exported to up-downgoing information output mouth 521, travelling speed output port 522, door district switching information output port 531 by bus and drive speed output port 532 by described absolute value device 510 respectively.
On the other hand, described up-downgoing information output mouth 521 and described door district switching information output port 531 are connected to the first input port 551 and the 2nd input port 552 of the first safe rly. 550 respectively further, and described travelling speed output port 522 and described driving speed output port 532 are connected to the first input port 561 and the 2nd input port 562 of the 2nd safe rly. 560 respectively further. Described first safe rly. 550 can get up-downgoing information and the door district switching information of described lift car by its first input port 551 and the 2nd input port 552 from described absolute value device 510, described 2nd safe rly. 560 can get travelling speed information and the driving speed information of described lift car by its first input port 561 and the 2nd input port 562 from described absolute value device 510, further, the two carries out elevator safety defense controls according to above-mentioned information when non-steering quality accidental movement occurs in described lift car.
Provided by the invention prevent the protector of accidental movement of elevator cage according to the positional information detected during elevator car arrives door district and speed information; and utilize safety governor to realize safety control; such as snub or close sedan-chair door etc.; thus the potential safety hazard avoided lift car that non-steering quality sedan-chair railway carriage or compartment accidental movement occurs in Ping Cengmen district and bring to passenger, it is to increase the general safety performance of elevator.
The foregoing is only embodiments of the invention; not thereby the patent scope of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all it is included in the scope of patent protection of the present invention with reason.
Claims (8)
1. one kind prevents the protector of accidental movement of elevator cage, comprise sedan-chair railway carriage or compartment supervisory system, first safe rly. and the 2nd safe rly., wherein, described sedan-chair railway carriage or compartment supervisory system is connected to described first safe rly. and described 2nd safe rly., described sedan-chair railway carriage or compartment supervisory system is for monitoring positional information and the speed information of lift car, and described positional information and described speed information are exported to respectively described first safe rly. and described 2nd safe rly., described first safe rly. and described 2nd safe rly. are used for positional information and the speed information according to described lift car and lift car are carried out safety control, described sedan-chair railway carriage or compartment supervisory system is arranged on described lift car, and it comprises monitoring position module, described monitoring position module coordinates flat floor clamp to detect up-downgoing information and the door district switching information of described lift car, and respectively described up-downgoing information and door district switching information are exported to the first input port and the 2nd input port of described first safe rly., wherein said door district switching information is used to indicate the Ping Cengmen district whether described lift car arrives described flat floor clamp place, wherein, described monitoring position module comprises upper annunciator, the next annunciator and door district switch, wherein said upper annunciator and described the next annunciator are interconnected by "or" logic relation and are connected to the first of described first safe rly. further and input port, and described door district switch is connected to the 2nd input port of described first safe rly., described flat layer clamp comprises position detection clamp, described upper annunciator and described the next annunciator export corresponding indicator signal when the up-downgoing detection portion of described position detection clamp being detected to the first input port of described first safe rly., and described door district switch exports corresponding indicator signal when the detection portion of door district of described position detection clamp being detected to the 2nd input port of described first safe rly..
2. prevent the protector of accidental movement of elevator cage as claimed in claim 1, it is characterized in that, described sedan-chair railway carriage or compartment supervisory system also comprises travelling speed monitoring module and drives speed monitoring module, described travelling speed monitoring module comprises car speed inductor block and elevator car, described driving speed monitoring module comprises elevator drive encoder and elevator controlling device, and described car speed inductor block is connected to described elevator car and described elevator car is connected to the first input port of described 2nd safe rly. further; Described elevator drive encoder is connected to described elevator controlling device and described elevator controlling device is connected to the 2nd input port of described 2nd safe rly. further.
3. prevent the protector of accidental movement of elevator cage as claimed in claim 2, it is characterized in that, described flat layer clamp also comprises the velocity measuring clamp with multiple spaced speed detection unit, described car speed inductor block detects the speed detection unit of described velocity measuring clamp and exports successive pulse signal, described elevator car calculates the travelling speed of described lift car according to described successive pulse signal, and export corresponding indicator signal when the travelling speed of described lift car exceeds preset value to the first input port of described 2nd safe rly..
4. prevent the protector of accidental movement of elevator cage as claimed in claim 3; it is characterized in that; described elevator drive encoder is used for exporting to described elevator controlling device driving coded signal; described elevator controlling device is used for calculating the driving speed of described lift car according to described driving coded signal, and exports corresponding indicator signal when the driving speed of described lift car exceeds described preset value to the 2nd input port of described 2nd safe rly..
5. prevent the protector of accidental movement of elevator cage as claimed in claim 2, it is characterised in that, described sedan-chair railway carriage or compartment supervisory system comprises absolute value device, and described absolute value device is connected to described first safe rly. and described 2nd safe rly.; Described absolute value device comprises magnet circle and inductor block, for coordinating, described magnet circle detects the up-downgoing information of described lift car, door district switching information and travelling speed information to described inductor block, described absolute value device also comprises up-downgoing information output mouth, door district switching information output port and travelling speed output port, described up-downgoing information output mouth and described travelling speed output port are connected to described first safe rly., and for the up-downgoing information of described lift car and travelling speed information being exported to described first safe rly.; Described door district switching information output port is connected to described 2nd safe rly., and for the door district switching information of described lift car is exported to described 2nd safe rly..
6. prevent the protector of accidental movement of elevator cage as claimed in claim 5; it is characterized in that; described sedan-chair railway carriage or compartment supervisory system also comprises described driving speed monitoring module, and described driving speed monitoring module is for detecting the driving speed information of described lift car and described driving speed information is exported to described 2nd safe rly..
7. prevent the protector of accidental movement of elevator cage as claimed in claim 6; it is characterized in that; described inductor block is also for coordinating described magnet circle to detect the driving speed information of described lift car; and described absolute value device also comprises driving speed output port; described driving speed output port is connected to described 2nd safe rly., for the driving speed information of described lift car is exported to described 2nd safe rly..
8. the protector preventing accidental movement of elevator cage as according to any one of claim 1 to 7, it is characterized in that, described first safe rly. when detecting out that described lift car moves out of described Ping Cengmen district under the sedan-chair door of described lift car is in the state of opening output safety control signal to control, described elevator emergency stops, described 2nd safe rly. closes to control the sedan-chair door of described lift car when detecting out the output safety control signal when the speed of described lift car exceeds preset value when Ping Cengmen district described in described elevator car arrives, and described 2nd safe rly. when the speed detecting out the described lift car when Ping Cengmen district described in described elevator car arrives and sedan-chair door open exceeds preset value output safety control signal to control described elevator emergency brake.
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| CN201410074918.0A CN103818794B (en) | 2014-03-03 | 2014-03-03 | Prevent the protector of accidental movement of elevator cage |
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| CN201410074918.0A CN103818794B (en) | 2014-03-03 | 2014-03-03 | Prevent the protector of accidental movement of elevator cage |
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| CN103818794B true CN103818794B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104627763B (en) * | 2014-12-12 | 2017-04-05 | 日立电梯（中国）有限公司 | The pre- diagnostic system of door lock of elevator electric switch and method |
| FI125862B (en) | 2015-01-28 | 2016-03-15 | Kone Corp | An electronic safety device and a conveyor system |
| CN105173953A (en) * | 2015-06-24 | 2015-12-23 | 贵州天义电梯成套设备有限公司 | Control system and control method for preventing elevator car from accidentally moving |
| CN105540378B (en) * | 2016-02-26 | 2018-05-22 | 上海盛蒂斯自动化设备股份有限公司 | Prevent the protection system of accidental movement of elevator cage |
| CN106829678B (en) * | 2017-03-03 | 2022-09-09 | 北京索德电气工业有限公司 | Multifunctional elevator car accidental movement protection system and method |
| CN110316628B (en) * | 2018-03-28 | 2021-08-03 | 上海三菱电梯有限公司 | Elevator safety system |
| CN108408511B (en) * | 2018-05-15 | 2023-09-29 | 杭州优迈科技有限公司 | Programmable UCMP detection device for elevator |
| CN112061913B (en) * | 2019-06-10 | 2021-12-03 | 上海三菱电梯有限公司 | Protection device for preventing car from accidentally moving |
| CN110395630B (en) * | 2019-07-26 | 2021-12-07 | 上海三菱电梯有限公司 | Elevator control circuit |
| CN113460838B (en) * | 2020-03-31 | 2023-10-10 | 苏州汇川技术有限公司 | Door lock bypass control method and system, electronic safety controller and main controller |
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Address after: 528400 Guangdong city in Zhongshan Province, Eastern Croucher Road No. 19 Patentee after: Guangdong Chameni technology Limited by Share Ltd Address before: Second the 528462 industrial zones in Guangdong province Zhongshan City Eastern Croucher Bridge Patentee before: G-Technologies Co., Ltd. |