CN203173628U - Operation safety device of elevator - Google Patents
Operation safety device of elevator Download PDFInfo
- Publication number
- CN203173628U CN203173628U CN 201220611521 CN201220611521U CN203173628U CN 203173628 U CN203173628 U CN 203173628U CN 201220611521 CN201220611521 CN 201220611521 CN 201220611521 U CN201220611521 U CN 201220611521U CN 203173628 U CN203173628 U CN 203173628U
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- car
- elevator
- balance weight
- buzzer
- count value
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- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The utility model provides an operation safety device of an elevator. The operation safety device warns operating personnel about proximity of a balance weight to prevent danger when the operating personnel conducts check operation at an upper part of an elevator car. The operation safety device of the elevator related in the embodiment is provided with a buzzer (12) on the elevator car, a pulse generating unit (8), a pulse counting unit (21) and an elevator control panel (2). The buzzer (12) is disposed at the upper part of the elevator car (4); the pulse generating unit (8) generates a pulse signal every time a winch (3) rotates a preset distance; the pulse counting unit (21) sets a consistent line between the upper part of the elevator car (4) and the bottom or an upper part of the balance weight (6) to zero, and receive positive or negative pulse signals generated from the pulse generating unit (8) to increase or decrease a count; and the elevator control panel (2) determines proximity states of the balance weight (6) to let the buzzer (12) on the lift car tweet according to count values of the pulse counting unit (21) and the predetermined setting distance location or setting count values corresponding to the setting distance location.
Description
The application is based on the Japanese patent application 2012-034133(applying date: on February 20th, 2012), enjoy preceence according to this application.The application comprises the full content of this application thus with reference to this application.
Technical field
Embodiment of the present utility model relates to the operation safe device of elevator.
Background technology
In elevator, the operating personnel regularly enters in the pit (pit) of lift path and regularly checks operation.At this moment, when car or balance weight drop to preset distance in pit, make buzzer call.Thus, operating personnel's car or balance weight in the warning pit approach, to prevent that accident is in possible trouble.
In addition, also there is the operating personnel to check the situation of operation on the top of car.In the past, in the inspection operation of car upper, only point out balance weight by label (sticker) and approach, methods such as attention are not actively warned in employing to the operating personnel.
The inspection operation of lift path is undertaken by two operation personnel usually.At this moment, have two people together the situation of car upper operation, a people in the car upper operation and the situation of another people operation in car or a people in the car upper operation and the situation of another people operation in pit etc.
Having operation personnel here, notices other people safety and does not notice fully in oneself of car upper near the situation of balance weight.And, when operation personnel are only arranged, also have and too be absorbed in operation and do not notice the situation that balance weight approaches fully.
The utility model content
Problem to be solved in the utility model provide a kind of the operating personnel when car upper checks operation, can warn this operating personnel's balance weight to approach and avoid the operation safe device of dangerous elevator.
The operation safe device of the elevator that present embodiment relates to is the operation safe device of elevator of safety of guaranteeing to carry out on the top of car the operating personnel of operation, wherein, possesses: buzzer phone on the car, and it is arranged at the top of described car; The every rotation preset distance of winch just produces the pulse generation portion of impulse singla; Step-by-step counting portion, it is set under the state of " 0 " value with the count value of the consistent line of the predetermined position of balance weight will hanging on the top of described car that volume is hung on the main push-towing rope of described winch, and accepting increases, reduces to count from the positive and negative impulse singla of described pulse generation portion generation; And control board for elevator, its according to judged by the count value of this step-by-step counting portion counting and predefined setpoint distance position or the setting count value corresponding with this setpoint distance position described balance weight near state, make buzzer call on the described car.
According to the operation safe device of the elevator of said structure, when car upper checks operation, can reliably warn this operating personnel's balance weight to approach the operating personnel.
Description of drawings
Fig. 1 is the figure of structure of the operation safe device of the elevator that relates to of expression present embodiment.
Fig. 2 is the figure of various switches set of switch enclosure that is arranged at the car upper of present embodiment for explanation.
Fig. 3 is the block diagram of functional structure of the control board for elevator of wanting portion of the expression operation safe device that becomes the elevator that present embodiment relates to.
Fig. 4 is the diagram of circuit for the work of the operation safe device that the elevator that present embodiment relates to is described.
The specific embodiment
Below, with reference to accompanying drawing embodiment is described.
Fig. 1 is the figure of structure of the operation safe device of the elevator that relates to of expression present embodiment.
In the figure, 1 is the lift path of elevator.In lift path 1, be provided with control board for elevator 2, winch 3, car 4, main push-towing rope 5, balance weight 6, buttock line 7 etc.
Car 4 is linked to main push-towing rope 5 one distolateral that volume is hung on winch 3.It is distolateral that balance weight 6 is linked to another of this main push-towing rope 5.When winch 3 rotations, car 4 carries out lifting action via main push-towing rope 5 with bucket type with balance weight 6.The buttock line 7 that is arranged at car 4 bottoms is to supply with and/or the transmission cable of the exchange of essential information each other between control board for elevator 2 and car 4 from the electric power of control board for elevator 2 lateral car 4 be used to carrying out.
S. A. at winch 3 is provided with impulse deviser 8.The rotation of impulse deviser 8 and winch 3 is synchronously to control board for elevator 2 output pulse signals.
Here, be provided be used to the protection hurdle 10 that prevents operating personnel's 9 overturnings on car 4 tops.In addition, in this protection hurdle 10, be provided with car upper switch enclosure 11.Car upper switch enclosure 11 possesses for the necessary various switches set of less important work personnel 9 inspection operation.
As shown in Figure 2, be provided with buzzer phone 12 on the car in the inside of car upper switch enclosure 11.In addition, on box top or a side surface part, be provided with car upper side by side and check switch 13, buzzer phone cut-off switch 14, car upper safety switch 15, car upper door open switch 16, car upper lighting switch 17.
Buzzer phone 12 is in balance weight 6 during near car 4 on the car, pipes to give the alarm and notify operating personnel 9 dangerous.In addition, in the example of Fig. 2, buzzer phone 12 is arranged at the inside of switch enclosure 11 on the car, but also can be arranged at the outside of switch enclosure 11.
Car upper checks that switch 13 is when beginning to check the common operational mode of car 4 to be switched to the switch that checks operational mode for operating personnel 9.In common operational mode, car 4 responses are called out and are travelled with common speed.In checking operational mode, car 4 travels with inspection speed (than common slow-footed speed) according to operating personnel 9 M/C.
Buzzer phone cut-off switch 14 be for when not needing buzzer tone with car on the switch that disconnects from live wire of buzzer phone 12.
Car upper safety switch 15 is used for making travelling of car 4 to force to stop.In addition, car upper door open switch 16 be for when checking operation as required and the switch that car door is opened.Car upper lighting switch 17 be for when checking operation with the switch of the power connection of not shown light equipment.
Here, control board for elevator 2 also has when the operation car upper checks switch 13 and to change to the function that checks operational mode, car 4 is travelled according to operating personnel 9 M/C with inspection speed from common operational mode except the function that using escalator place is arranged calls out and/or make during car call car 4 in registration and travel with common speed.
In addition, so-called " using escalator place calling ", the signal of the calling of registering for the operation of the not shown above-below direction button of using escalator place by being arranged at each layer comprises the information of register layer and direct of travel.So-called " car call " is the signal of the calling of registering by the operation that is arranged at the not shown bed of interest button in the cage, comprises the information of bed of interest.
Possesses memory storage 20 at control board for elevator 2.In memory storage 20, store the various data relevant with the operation of car 4 control and/or, be arranged at the instrumentation data of not shown sensor at each position of elevator.In the present embodiment, in this memory storage 20, be provided with increase, reduce counting machine 21 and the data setting table 22 that pipes.
Increase, reduce counting machine 21 for example the upper side of car 4 be made as counting machine " 0 " value with bottom faces or the upper side consistent location (consistent line) of balance weight 6, the positive and negative impulse singla of exporting according to the rotation that is accompanied by winch 3 and from impulse deviser 8 and count value is increased/reduce counting.Thus, when the rising of car 4 operation or when descending operation, can judge the distance of car 4 and balance weight 6 from the count value that increases, reduces counting machine 21.
The data setting table 22 that pipes is for the table of setting the distance and position that the operating personnel's 9 notice balance weights 6 in the operation of the top of car 4 are approached.As shown in the table 1 of its data ordering example, when rising operation, be " 2.5m " as the setpoint distance set positions from the top of car 4 to the bottom of balance weight 6.When descending operation, be " 1.5m " as the setpoint distance set positions from the top of car 4 to the top of balance weight 6.In addition, also can replace the setpoint distance position, and set the positive and negative count value suitable with the setpoint distance position.
Table 1
| Service direction | The setpoint distance position | Set count value | Pipe and stop count value |
| Rise and move | 2.5m | ××× | ××× |
| Operation descends | 1.5m | ××× | ××× |
In addition, in this pipes data setting table 22, be set with when rising operation the stop position or stop count value with corresponding the piping of this stop position that pipes of piping that when descending operation conduct makes graticule that piping of buzzer phone 12 on the car stop.
As shown in Figure 3, control board for elevator 2 possesses the operational mode of inspection changing unit 2A, desired location stops the 2D of portion by judging part 2B, alarm efferent 2C and alarm.
Check that operational mode changing unit 2A changes to the inspection operational mode from common operational mode when accepting car upper and check the making operation of switch 13, according to operating personnel 9 M/C car 4 is travelled with inspection speed.
Desired location is calculated when rising operation or when descending operation from the top of car 4 to the distance on bottom or the top of balance weight 6 by judging part 2B, calculates the result based on this and judges whether car 4 has passed through to be set in the setpoint distance position of data setting table 22 of piping.
Alarm efferent 2C is being judged as car 4 when having passed through the setpoint distance position by desired location by judging part 2B, makes that buzzer phone 12 pipes on the car, and warning operating personnel 9 balance weights 6 approach.
Alarm stops the 2D of portion after buzzer phone on the car 12 pipes, and makes to pipe to stop when car 4 travels preset distance and avoided dangerous.
Next, the work to the operation safe device of elevator describes.
In addition, be judged as operation personnel 9 when when checking operation, not needing buzzer tone, also can be before checking operation operation buzzer phone cut-off switch 14 and buzzer phone 12 is disconnected from live wire.
Fig. 4 is the diagram of circuit for the work of the operation safe device of explanation elevator.
At first, operating personnel 9 checks that to car upper switch 13 carries out making operation on the top of car 4.The inspection operational mode changing unit 2A of control board for elevator 2 when detecting car upper and check that switch 13 is in on-state (YES of step S1), changes to the operational mode of elevator and to check operational mode (step S2) from common operational mode.
In checking operational mode, operating personnel 9 makes car 4 motions (step S3) of elevator by M/C.Be accompanied by the operation (YES of step S4) of the operation of rising, drive winch 3 to positive veer, make car 4 to ascent direction with low speed driving.At this moment, winch 3 every rotation predetermined number just produce positive impulse singla from impulse deviser 8.Increase, reduce counting machine 21 and according to this positive impulse singla count value is increased counting.
At this moment, desired location moves the setpoint distance position (for example 2.5m) of usefulness by judging part 2B to the count value that increases, reduces counting machine 21 and the rising that is set in the data setting table 22 that pipes or compares with the corresponding setting count value in this setpoint distance position.Desired location judges based on this comparative result whether the top of car 4 has passed through setpoint distance position (step S5) by judging part 2B.
Passed through on the top that is judged as car 4 under the situation of setpoint distance position (YES of step S5), made alarm efferent 2C starting.Alarm efferent 2C makes that buzzer phone 12 pipes on the car, and warning operating personnel 9 balance weights 6 approach and are positioned at precarious position (step S6) from upside.
On the other hand, when the operation (NO of step S4) of the operation that descended by operating personnel 9, drive winch 3 to reverse directions, make car 4 to descent direction with low speed driving.At this moment, winch 3 every rotation predetermined number just produce negative impulse singla from impulse deviser 8.Increase, reduce counting machine 21 and according to the impulse singla that should bear count value is reduced counting.
At this moment, desired location moves the setpoint distance position (for example 1.5m) of usefulness by judging part 2B to the count value that increases, reduces counting machine 21 and the decline that is set in the data setting table 22 that pipes or compares with the corresponding setting count value in this setpoint distance position.Desired location judges based on this comparative result whether the top of car 4 has passed through setpoint distance position (step S7) by judging part 2B.
Passed through on the top that is judged as car 4 under the situation of setpoint distance position (YES of step S7), made alarm efferent 2C starting.Alarm efferent 2C makes that buzzer phone 12 pipes on the car, and warning operating personnel 9 balance weights 6 approach and are positioned at precarious position (step S8) from downside.
After buzzer phone on the car 12 pipes, make alarm stop the 2D of portion starting.
When rising operation, alarm stops the 2D of portion at the stop position or when stopping the count value unanimity with corresponding the piping of this stop position that pipes (YES of step S9) of piping of the count value that increases, reduces counting machine 21 and the rising operation usefulness that is set in the data setting table 22 that pipes, and makes that piping of buzzer phone 12 stops (step S10) on the car.In addition, the distance that the stop position that pipes of operation usefulness is set at the top of the top of car 4 for example and balance weight 6 that rises is the position of 0m.
When descending operation, alarm stops the 2D of portion at the stop position or when stopping the count value unanimity with corresponding the piping of this stop position that pipes (YES of step S11) of piping of the count value that increases, reduces counting machine 21 and the decline operation usefulness that is set in the data setting table 22 that pipes, and makes that piping of buzzer phone 12 stops (step S10) on the car.In addition, the distance that the stop position that pipes of operation usefulness is set at the bottom of the top of car 4 for example and balance weight 6 that descends is the position of 0m.
Then, judge the opening operation (step S12) that has or not car upper to check switch 13.There not being (NO of step S12) under the situation of opening operation, turn back to step S4, carry out and above-mentioned same processing repeatedly.(YES of step S12) under the situation of opening operation arranged, and the processing here finishes.
As mentioned above, when balance weight 6 was near the top of car 4 in checking operation, buzzer phone 12 piped on the car, and notice approaches in operating personnel's 9 balance weights 6 on the top of car 4.Therefore, even operating personnel 9 is absorbed in other operation, can notice that also balance weight 6 approaches, to avoid dangerous.
In addition, by the car upper switch enclosure 11 at car upper buzzer phone cut-off switch 14 is set, can at random stops to pipe of buzzer phone 12 on the car.Therefore, when not needing buzzer tone, can stop buzzer phone 12 on the car by buzzer phone cut-off switch 14, carry out operation thus effectively.
And then, even buzzer phone 12 pipes on the inspection running cage of elevator, being judged as operating personnel 9 can avoid precarious position the time, automatically piping of buzzer phone on the car 12 stopped.Thus, the operating personnel can hold and avoid danger, can still check operation.
And then main push-towing rope 5 stretches owing to using all the year round.Therefore, if regularly confirm bottom or the top consistent location of the top of car 4 and balance weight 6 and will increase, reduce counting machine 21 according to this position to be set at " 0 ", even changing, the approximated position of balance weight 6 also can fully tackle.Just, by carrying out regular location correction, can not be subjected to the flexible influence ground of main push-towing rope 5 monitor balance weight 6 near state.
(other embodiments)
(1) in the above-described embodiment, increase, reduce the part that counting machine 21 utilizes the storage area of memory storage 20.But, the unit pulse totalizer of general use also can be set in control board for elevator 2, in addition, as long as have increase, reduce tally function, also can be add subtract counter, forward-backward counter, other counting machines.
(2) in the above-described embodiment, constitute, the operation when not needing buzzer tone, by buzzer phone cut-off switch 14 disconnects from live wire.But it is dangerous when checking operation buzzer phone cut-off switch 14 having been carried out the state of operating (state that buzzer tone disconnects).Therefore, also can be made as such structure: when for example beginning to check operation, the operating personnel in case to buzzer phone cut-off switch 14 connect, opening operation, make control board for elevator 2 confirm car on buzzer phone 12 after live wire disconnects, carry out processing shown in Figure 4.
(3) in the above-described embodiment, preferred, the distance of the top of the setpoint distance position car 4 when moving rising and the bottom of balance weight 6 is made as " 2.5m ".The distance on the top of the setpoint distance position car 4 when preferably, moving descending and the top of balance weight 6 is made as " 1.5m ".This hears that with the operating personnel distance that can avoid balance weight 6 to approach on the car behind the buzzer phone 12 is consistent.For these distances, can have amplitude to a certain degree.For example can when rising operation, be made as the scope of " 2.2～3.0m ", when descending operation, be made as the scope of " 1.1～2.0m ".Thus, the operating personnel can have and knows that in advance balance weight 6 approaches, and can more safely avoid.
According at least one embodiment of narrating above, can provide a kind of and can warn balance weight to approach and avoid the operation safe device of dangerous elevator this operating personnel when car upper checks operation the operating personnel.
In addition, several embodiments of the present utility model is illustrated, but these embodiments are to propose as an example that its intention is not the scope that limits utility model.These new embodiments can be implemented with other various forms, in the scope that does not break away from the utility model purport, can carry out various omissions, displacement, change.These embodiments and/or its distortion are contained in scope and/or the purport of utility model, and are contained in the scope that equates with scheme that the utility model right requires to put down in writing.
Claims (5)
1. the operation safe device of an elevator, guarantee to carry out on the top of car the operating personnel's of operation safety to it is characterized in that possessing:
Buzzer phone on the car, it is arranged at the top of described car;
Pulse generation portion, the every rotation preset distance of winch, this pulse generation portion just produces impulse singla;
Step-by-step counting portion, it is set under the state of " 0 " value with the count value of the consistent line of the predetermined position of balance weight will hanging on the top of described car that volume hangs over the main push-towing rope on the described winch, and accepting increases, reduces to count from the positive and negative impulse singla of described pulse generation portion generation; With
Control board for elevator, its according to judged by the count value of this step-by-step counting portion counting and predefined setpoint distance position or the setting count value corresponding with this setpoint distance position described balance weight near state, make buzzer call on the described car.
2. the operation safe device of elevator according to claim 1 is characterized in that:
Described setpoint distance position or the setting count value corresponding with this setpoint distance position, distance with the top of described car and the bottom of described balance weight when rising operation is made as 2.5m, is made as 1.5m in the distance that descends when moving the top of the top of described car and described balance weight.
3. the operation safe device of elevator according to claim 1 and 2 is characterized in that, described control board for elevator comprises:
Check the operational mode changing unit, when it checks the making operation of switch at the car upper of accepting to be arranged at described car upper, change to the inspection operational mode from common operational mode;
Desired location passes through judging part, it is when rising operation or when descending operation, calculate from the top of described car to the distance on bottom or the top of balance weight, judge whether this distance arrives predefined setpoint distance position or reach the setting count value corresponding with this setpoint distance position; With
The alarm efferent, its by this desired location by judgement section judges when arriving described setpoint distance position or reaching the setting count value corresponding with this setpoint distance position, make buzzer call on the described car, warn the described balance weight of described operating personnel near state.
4. according to the operation safe device of any described elevator in the claim 1 to 3, it is characterized in that, comprising:
The buzzer phone cut-off switch, it is arranged at the top of described car, when being used for the piping of on not needing described car buzzer phone buzzer phone on the described car is disconnected from live wire.
5. the operation safe device of elevator according to claim 3 is characterized in that:
Described control board for elevator also possesses alarm and stops portion, and it is made by the described efferent that pipes on the car behind the buzzer call, described car passed through predefined pipe to be judged as during stop position avoided danger, make that piping of buzzer phone stops on the described car.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012034133A JP2013170033A (en) | 2012-02-20 | 2012-02-20 | Work safety apparatus of elevator |
| JP034133/2012 | 2012-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173628U true CN203173628U (en) | 2013-09-04 |
Family
ID=49070362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220611521 Expired - Fee Related CN203173628U (en) | 2012-02-20 | 2012-11-19 | Operation safety device of elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013170033A (en) |
| CN (1) | CN203173628U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10252882B2 (en) | 2015-11-17 | 2019-04-09 | Otis Elevator Company | Elevator motion alert system |
| CN110683440A (en) * | 2018-07-05 | 2020-01-14 | 东芝电梯株式会社 | Reporting device and reporting method |
| US11104544B2 (en) | 2015-07-27 | 2021-08-31 | Wurtec, Incorporated | Elevator counterweight signaling system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6090202B2 (en) * | 2014-02-20 | 2017-03-08 | 三菱電機ビルテクノサービス株式会社 | Safety device when working on the elevator car |
| JP5951685B2 (en) * | 2014-06-10 | 2016-07-13 | 東芝エレベータ株式会社 | Elevator car work notification device |
| JP6030170B2 (en) * | 2015-03-10 | 2016-11-24 | 東芝エレベータ株式会社 | Elevator maintenance work support device |
| CN118748975A (en) * | 2022-02-24 | 2024-10-08 | 乌尔泰克股份有限公司 | Elevator inspection operation signal system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5867862U (en) * | 1981-10-30 | 1983-05-09 | 東芝昇降機サ−ビス株式会社 | Safety device for elevator inspection |
| JPH0733349A (en) * | 1993-07-20 | 1995-02-03 | Hitachi Building Syst Eng & Service Co Ltd | Safety device for operation on elevator car |
| JP5081751B2 (en) * | 2008-07-15 | 2012-11-28 | 株式会社日立製作所 | Elevator maintenance safety device |
| JP2011111307A (en) * | 2009-11-27 | 2011-06-09 | Toshiba Elevator Co Ltd | Elevator control device and control method |
| JP5443245B2 (en) * | 2010-04-02 | 2014-03-19 | 三菱電機ビルテクノサービス株式会社 | Elevator system |
| JP2011256006A (en) * | 2010-06-08 | 2011-12-22 | Toshiba Elevator Co Ltd | Cage operation system by remote control and cage operation method thereof |
-
2012
- 2012-02-20 JP JP2012034133A patent/JP2013170033A/en active Pending
- 2012-11-19 CN CN 201220611521 patent/CN203173628U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11104544B2 (en) | 2015-07-27 | 2021-08-31 | Wurtec, Incorporated | Elevator counterweight signaling system |
| US10252882B2 (en) | 2015-11-17 | 2019-04-09 | Otis Elevator Company | Elevator motion alert system |
| CN110683440A (en) * | 2018-07-05 | 2020-01-14 | 东芝电梯株式会社 | Reporting device and reporting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013170033A (en) | 2013-09-02 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20161119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |