CN203545371U - Lift safeguard - Google Patents
Lift safeguard Download PDFInfo
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- CN203545371U CN203545371U CN201320614445.XU CN201320614445U CN203545371U CN 203545371 U CN203545371 U CN 203545371U CN 201320614445 U CN201320614445 U CN 201320614445U CN 203545371 U CN203545371 U CN 203545371U
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- elevator
- link
- relay
- contact
- annunciator
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Abstract
A lift safeguard comprises a relay and an alarm device, and the relay comprises a relay coil and relay contacts. The relay contacts, the alarm device and contacts of a car door lock contactor of a lift are connected in series to form a first link. The relay coil and contacts of a hall door lock contactor of the lift are connected in series to form a second link, and the second link is connected in parallel with the first link. When a hall door is abnormally opened, the contacts of the car door lock contactor of the lift in the first link are closed, the contacts of the hall door lock contactor of the lift in the second link are closed, the relay coil of the relay is electrified to drive the relay contacts in the first link to close, as a result, the circuit of the first link is connected, and the alarm device is started. Consequently, when the hall door is abnormally opened, the lift safeguard can warn related personnel of the abnormal state of the lift, thus preventing the accident from further escalating.
Description
Technical field
The utility model relates to elevator technology field, particularly a kind of elevator safety apparatus.
Background technology
Along with the fast development of modernization skyscraper, elevator, as vertical transport instrument, is subject to people's favor day by day.Meanwhile, elevator takes and the safe concern that is also more and more subject to people of maintaining.According to the relevant statistical information demonstration of elevator accident both at home and abroad at present, most elevator accident is all to be caused by the door system fault of elevator, and wherein, the hoistway accident of falling causing because of Room door abnormal start-up tends to cause great personal casualty.
Wherein, door abnormal start-up in the Room comprises three kinds of situations:
1, in the Room, by emergency unlocking device, open Room door outdoors;
2, at door lock, damage or door lock engages in undersized situation and to force to push aside Room door;
3, door forced closing device in the Room lost efficacy, and Room door cannot be closed in opening.
General elevator is mainly to prevent Room door abnormal start-up by the cooperation of physical construction, once this physical construction lost efficacy, does not have any early warning, and personnel still have the danger of the hoistway that falls, and make like this accident have the risk of further expansion very high.
Utility model content
Based on this, be necessary for the deficiencies in the prior art, a kind of elevator safety apparatus with Room door abnormal start-up prompting function is provided.
A kind of elevator safety apparatus, comprises relay and warning device, and relay comprises relay coil and relay contact, wherein,
The contact of the gate latch contact of relay contact, warning device and elevator is composed in series the first link.
The contact of the Room door lock contactless switch of relay coil and elevator is composed in series the second link, and the second link is in parallel with the first link.
Above-mentioned elevator safety apparatus, when the door abnormal start-up of the Room, the closing of contact of the gate latch contact of the elevator in the first link, the closing of contact of the Room door lock contactless switch of the elevator in the second link, the relay coil energising of relay drives the relay contact adhesive in the first link, thereby make the circuit turn-on of the first link, alarm activation.Therefore, when there is Room door abnormal start-up situation, can remind related personnel's elevator in error state, the further expansion of Accident prevention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of elevator safety apparatus of the present utility model;
Fig. 2 is the structural representation of the embodiment 2 of elevator safety apparatus of the present utility model;
Fig. 3 is the structural representation of the embodiment 3 of elevator safety apparatus of the present utility model;
Fig. 4 is the structural representation of the embodiment 4 of elevator safety apparatus of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Embodiment 1
With reference to figure 1, a kind of elevator safety apparatus, comprises Room door lock contactless switch, relay and warning device, and relay comprises relay coil and relay contact, wherein:
Relay is used for the operation conditions of the contact of the Room door lock contactless switch of monitoring elevator.When the closing of contact of Room door lock contactless switch, relay coil energising, now relay contact adhesive; When the contact of Room door lock contactless switch disconnects, relay coil no power, now relay contact disconnects.
Warning device is photoelectric alarm.
The contact of the gate latch contact of relay contact, warning device and elevator is composed in series the first link.
The contact of the Room door lock contactless switch of relay coil and elevator is composed in series the second link, and the second link is in parallel with the first link.
In the present embodiment, warning device can be also the annunciator of voice guard or other types.
Above-mentioned elevator safety apparatus, when the door abnormal start-up of the Room, the closing of contact of the gate latch contact of the elevator in the first link, the closing of contact of the Room door lock contactless switch of the elevator in the second link, the relay coil energising of relay drives the relay contact adhesive in the first link, thereby make the circuit turn-on of the first link, alarm activation.Therefore, when there is Room door abnormal start-up situation, can remind related personnel's elevator in error state, the further expansion of Accident prevention.
Embodiment 2
With reference to figure 2, a kind of elevator safety apparatus, comprises Room door lock contactless switch, relay, warning device and monitor, and relay comprises relay coil and relay contact, wherein:
Relay is used for the operation conditions of the contact of the Room door lock contactless switch of monitoring elevator.When the closing of contact of Room door lock contactless switch, relay coil energising, now relay contact adhesive; When the contact of Room door lock contactless switch disconnects, relay coil no power, now relay contact disconnects.
Monitor is used as monitoring elevator cage door lock, when the gate of elevator is locked in abnormal start-up state, and monitor conducting.
Warning device is voice guard.
The contact of the gate latch contact of relay contact, warning device and elevator is composed in series the first link, and monitor is connected in parallel on the two ends of the contact of gate latch contact.
The contact of the Room door lock contactless switch of relay coil and elevator is composed in series the second link, and the second link is in parallel with the first link.
In the present embodiment, warning device can be also the annunciator of photoelectric alarm or other types.
Above-mentioned elevator safety apparatus, when the door abnormal start-up of the Room, if the gate lock-switch of the elevator in the first link is in closure state, the now closing of contact of gate contactless switch, the closing of contact of the Room door lock contactless switch of the elevator in the second link, the relay coil energising of relay drives the relay contact adhesive in the first link, thereby makes the circuit turn-on of the first link, alarm activation.Therefore, when there is Room door abnormal start-up situation, can remind related personnel's elevator in error state, the further expansion of Accident prevention.
In addition, consider in extremely individual other situation, the counterintuitive operation of personnel in elevator forces gate to be opened or gate causes opening because of certain abnormal condition, the contact of the gate contactless switch of elevator is disconnected, so the monitor in parallel at the two ends, contact of gate contactless switch, when in Room door abnormal start-up and elevator during personnel's positive opening gate, monitor conducting, make the circuit turn-on of the first link, annunciator starts.
Embodiment 3
With reference to figure 3, a kind of elevator safety apparatus, comprises relay and warning device, and relay comprises relay coil and relay contact, wherein:
Relay is used for the operation conditions of the contact of the Room door lock contactless switch of monitoring elevator.When the closing of contact of Room door lock contactless switch, relay coil energising, now relay contact adhesive; When the contact of Room door lock contactless switch disconnects, relay coil no power, now relay contact disconnects.
Warning device comprises the first annunciator and is connected in parallel on second annunciator at the first annunciator two ends, between the second annunciator and the safety return circuit of elevator, is provided with manual safety switch.The first annunciator is photoelectric alarm, and the second annunciator is voice guard.
The contact of the gate latch contact of relay contact, warning device and elevator is composed in series the first link.
The contact of the Room door lock contactless switch of relay coil and elevator is composed in series the second link, and the second link is in parallel with the first link.
It is pointed out that in the present embodiment, the classification of the first annunciator and the second annunciator can be exchanged mutually, and is not limited only to the annunciator of above-mentioned classification.Even adopt the annunciator of the same classification, also should belong to the protection domain of the present embodiment.Meanwhile, adopting different classes of annunciator is the difference degree in order to improve warning reminding signal, as long as can allow both alerting signals have any different.
Above-mentioned elevator safety apparatus, when the door abnormal start-up of the Room, the closing of contact of the gate latch contact of the elevator in the first link, the closing of contact of the Room door lock contactless switch of the elevator in the second link, the relay coil energising of relay drives the relay contact adhesive in the first link, thereby make the circuit turn-on of the first link, alarm activation.Therefore, when there is Room door abnormal start-up situation, can remind related personnel's elevator in error state, the further expansion of Accident prevention.
In addition, manual safety switch is used for manual-lock elevator, when manual safety switch disconnects, and the circuit breaker at elevator safety loop place, elevator quits work.When the door abnormal start-up of the Room, if manual safety switch is not disconnected, the second annunciator starts, and after prompting staff should disconnect manual safety switch, enters hoistway operation again, thereby improves staff's operational security.Meanwhile, the first annunciator has adopted the alerting pattern of photoelectricity, and the second annunciator has adopted the alerting pattern of audible alarm, the alerting pattern of these two kinds of warning devices is had any different, increase the difference degree of the alerting signal of different situations, avoid staff to obscure, further promote operational security.
Embodiment 4
With reference to figure 4, a kind of elevator safety apparatus, comprises Room door lock contactless switch, relay, warning device and monitor, and relay comprises relay coil and relay contact, wherein:
Relay is used for the operation conditions of the contact of the Room door lock contactless switch of monitoring elevator.When the closing of contact of Room door lock contactless switch, relay coil energising, now relay contact adhesive; When the contact of Room door lock contactless switch disconnects, relay coil no power, now relay contact disconnects.
Monitor is used as monitoring elevator cage door lock, when the gate of elevator is locked in abnormal start-up state, and monitor conducting.。
Warning device comprises the first annunciator and is connected in parallel on second annunciator at the first annunciator two ends, between the second annunciator and the safety return circuit of elevator, is provided with manual safety switch.The first annunciator is photoelectric alarm, and the second annunciator is voice guard.
The contact of the gate latch contact of relay contact, warning device and elevator is composed in series the first link, and monitor is connected in parallel on the two ends of the contact of gate latch contact.
The contact of the Room door lock contactless switch of relay coil and elevator is composed in series the second link, and the second link is in parallel with the first link.
It is pointed out that in the present embodiment, the classification of the first annunciator and the second annunciator can be exchanged mutually, and is not limited only to the annunciator of above-mentioned classification.Even adopt the annunciator of the same classification, also should belong to the protection domain of the present embodiment.Meanwhile, adopting different classes of annunciator is the difference degree in order to improve warning reminding signal, as long as can allow both alerting signals have any different.
Above-mentioned elevator safety apparatus, when the door abnormal start-up of the Room, if the gate lock-switch of the elevator in the first link is in closure state, the now closing of contact of gate contactless switch, the closing of contact of the Room door lock contactless switch of the elevator in the second link, the relay coil energising of relay drives the relay contact adhesive in the first link, thereby makes the circuit turn-on of the first link, alarm activation.Therefore, when there is Room door abnormal start-up situation, can remind related personnel's elevator in error state, the further expansion of Accident prevention.
In addition, consider in extremely individual other situation, the counterintuitive operation of personnel in elevator forces gate to be opened or gate causes opening because of certain abnormal condition, the contact of the gate contactless switch of elevator is disconnected, so the monitor in parallel at the two ends, contact of gate contactless switch, when in Room door abnormal start-up and elevator during personnel's positive opening gate, monitor conducting, make the circuit turn-on of the first link, annunciator starts.
Moreover manual safety switch is used for manual-lock elevator, when manual safety switch disconnects, the circuit breaker at elevator safety loop place, elevator quits work.When the door abnormal start-up of the Room, if manual safety switch is not disconnected, the second annunciator starts, and after prompting staff should disconnect manual safety switch, enters hoistway operation again, thereby improves staff's operational security.Meanwhile, the first annunciator has adopted the alerting pattern of photoelectricity, and the second annunciator has adopted the alerting pattern of audible alarm, the alerting pattern of these two kinds of warning devices is had any different, increase the difference degree of the alerting signal of different situations, avoid staff to obscure, further promote operational security.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. an elevator safety apparatus, is characterized in that, comprises relay and warning device, and described relay comprises relay coil and relay contact, wherein,
The contact of the gate latch contact of described relay contact, warning device and elevator is composed in series the first link;
The contact of the Room door lock contactless switch of described relay coil and elevator is composed in series the second link, and described the second link is in parallel with the first link.
2. elevator safety apparatus according to claim 1, is characterized in that, described the first link also comprises monitor, and the two ends that described monitor is connected in parallel on the contact of the gate latch contact of elevator are used as monitoring.
3. elevator safety apparatus according to claim 1 and 2, is characterized in that, described warning device is photoelectric alarm or voice guard.
4. elevator safety apparatus according to claim 1 and 2, it is characterized in that, described warning device comprises the first annunciator and is connected in parallel on second annunciator at the first annunciator two ends, between described the second annunciator and the safety return circuit of elevator, is provided with manual safety switch.
5. elevator safety apparatus according to claim 4, is characterized in that, described the first annunciator is photoelectric alarm, and described the second annunciator is voice guard.
6. elevator safety apparatus according to claim 4, is characterized in that, described the first annunciator is voice guard, and described the second annunciator is photoelectric alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614445.XU CN203545371U (en) | 2013-09-30 | 2013-09-30 | Lift safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614445.XU CN203545371U (en) | 2013-09-30 | 2013-09-30 | Lift safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545371U true CN203545371U (en) | 2014-04-16 |
Family
ID=50463518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320614445.XU Expired - Fee Related CN203545371U (en) | 2013-09-30 | 2013-09-30 | Lift safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105800412A (en) * | 2016-05-19 | 2016-07-27 | 江苏通用电梯有限公司 | Elevator fault recognition control circuit and working method thereof |
| CN107337047A (en) * | 2017-07-25 | 2017-11-10 | 江南嘉捷电梯股份有限公司 | A kind of warning device of elevator cab door abnormal start-up |
-
2013
- 2013-09-30 CN CN201320614445.XU patent/CN203545371U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105800412A (en) * | 2016-05-19 | 2016-07-27 | 江苏通用电梯有限公司 | Elevator fault recognition control circuit and working method thereof |
| CN105800412B (en) * | 2016-05-19 | 2017-12-29 | 江苏通用电梯有限公司 | A kind of elevator faults recognition control circuit and its method of work |
| CN107337047A (en) * | 2017-07-25 | 2017-11-10 | 江南嘉捷电梯股份有限公司 | A kind of warning device of elevator cab door abnormal start-up |
| CN107337047B (en) * | 2017-07-25 | 2023-10-27 | 苏州江南嘉捷电梯有限公司 | Alarm device for abnormal opening of elevator car door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140416 Termination date: 20180930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |