CN1176002C - Chair system for going upstairs - Google Patents
Chair system for going upstairs Download PDFInfo
- Publication number
- CN1176002C CN1176002C CNB001002163A CN00100216A CN1176002C CN 1176002 C CN1176002 C CN 1176002C CN B001002163 A CNB001002163 A CN B001002163A CN 00100216 A CN00100216 A CN 00100216A CN 1176002 C CN1176002 C CN 1176002C
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- Prior art keywords
- chair
- sensor
- lamp
- switch
- elevator
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Abstract
The present invention relates to a chair system for climbing upstairs, which comprises a guide track along a stairs, a chair glidingly arranged on the guide track and a lifter used for moving the chair, wherein the chair is provided with a switch for starting the lifter, and a sensor is arranged on the chair for detecting whether a person sits on the chair or not and making the switch act only when the person sits on the chair. The present invention also comprises a lamp and a chair stop mechanism, wherein the lamp is provided with a sensor for turning on the lamp only when the person is near the lamp, and the chair stop mechanism comprising a speed sensor, a brake and a control unit is used for stopping the lifter and starting the brake.
Description
Technical field
The present invention relates to a kind of chair system with going upstairs of improved safety.
Background technology
Fig. 7 has shown conventional going upstairs system, and it comprises a guide rail 3 that is provided with along stair 2, and the chair 4 that can move along this guide rail 3 by the switch of pushing on the chair 45.
For user's safety, this system has adopted the known safety device that chair could start when switch 5 is depressed by the user that has only.Therefore, the user must push switch 5 always and arrive its destination up to him or she.In case of emergency, the user just can stop chair immediately by remove finger from switch 5 simply.
This system is at chair and take advantage of the chair district also to be provided with emergency stop switch 6.When any one switch 6 is pressed, the drg that is installed on the chair 4 will stop chair immediately.
But owing to following reason, this safety device is very not perfect.
(1) is sitting in or when chair is stood as the user, if user's PS (Push Switch) does not unconsciously have preventive can prevent the chair whisk.
(2) be not used in the night lights of the underfooting of illuminating the user.Particularly for older user, this may damage.Can keep light for this purpose always.But always staying open, light wasted the energy.
(3) if the excessive user of body weight takes advantage of on chair, may be because the decline of gravity hypervelocity.Break away from the restriction of urgent stop mechanism, and hit on the floor.
Summary of the invention
An object of the present invention is to provide a kind of chair system of going upstairs, it can not produce any the problems referred to above and can prevent injury.
According to the present invention, the chair system of the going upstairs that is provided comprises: guide rail, a chair and an elevator that is used for moving along this guide rail this chair that is slidably mounted on the guide rail of placing along stair, this chair is provided with a switch that is used to start this elevator, it is characterized in that also comprising a sensor that is arranged on the chair, it is used to detect the people and has been sitting on the chair and switch is only worked when the people is sitting on the chair.
Utilize this structure, unless the user is sitting on the chair, otherwise switch will can not open.
According to the present invention, a lamp is set, this light fixture has one to be suitable for the sensor that only just can turn on the light when the people is near this lamp, and this lamp is arranged on and takes advantage of the chair platform or along a pre-position of guide rail.
Utilize this structure, lamp will be opened automatically to illuminate user's underfooting.Therefore the user can be safely chair up and down.
According to the present invention, a chair stop mechanism is set, it has a speed sensor that is used to detect the speed of this chair, one and is installed in being used on the elevator and brakes drg and a control unit of elevator, if the speed of the chair that sensor arrives surpasses a predetermined value, this control unit is used for inactive elevator and starts drg.
Utilize this structure, if user's weight is overweight, make the chair hypervelocity descend, controller will stop motor and start drg.If the free fall prevent mean lost efficacy, this speed sensor will detect hypervelocity and start drg.This has guaranteed user's safety.
Description of drawings
Further feature of the present invention and purpose will become clearer in the description taken together with the accompanying drawings below, wherein:
Fig. 1 is the front elevation of concrete system of the present invention;
Fig. 2 to Fig. 4 is the partial enlarged drawing of system of the present invention;
Fig. 5 is the block scheme of system of the present invention;
Fig. 6 is the circuit diagram of another embodiment;
Fig. 7 is the view that shows conventional system.
The specific embodiment
With reference to Fig. 1, the chair system of the going upstairs that the present invention is concrete comprises: a guide rail 3 of placing along stair 2, and the chair 4 of a setting, so that move along guide rail 3 by elevator 7.
As shown in Figure 2, be formed with groove 8 on the guide rail 3, in groove 8, accommodate the chain 9 of elevator 7.Chain 9 has fixing two ends (not shown).In the both sides of guide rail 3, form plane 12, the roller 11 of elevator 7 rolls on this plane 12, is provided with two groups of rollers in each side.
With reference to Fig. 2, elevator 7 comprises that one is installed in the motor 14 on the framework 13 and is carrying one and chain 9 ingear sprocket wheels 15.
As shown in Figure 3, by by motor 14 drive sprockets 15, chair can move up and down at stair 2 upper edge guide rails 3.
With reference to Fig. 3, the free fall disease-prevention institutions 16 are so-called " lax chair safety devices ", and comprise an arm, an end of this arm is pivotally connected on the axle such as a driven sprocket 15, and roller is arranged on the other end of this arm and keeps in touch with chain 9.If chain 9 is cut off, this arm stops elevator 7 and chair 4 because gravity with anticlockwise motion (shown in arrow among Fig. 3), meshes with guide rail 3 up to the other end of this arm.
As shown in Figure 3, overspeed detection device 17 comprise an encoder disk 18, on the output shaft that is installed in motor 14 (see figure 2)s be used to produce optical sensor 18 about the signal of the rotating speed of disk 18 ', and a control circuit 19 (Fig. 5), be used for based on from sensor 18 ' the rotating speed of signal detection disk 18.
Also be provided with a sensor 23 on this chair 4, be used to detect the user and be sitting in the fact on the chair.As shown in Figure 4, this sensor is installed in the hole of center of seat support 4a of chair 4, and comprises a pressure dash receiver 23a, and a micro-switch 23c who supports this plate 23a by spring 23b.When the pressure slave plate 23a that is higher than predeterminated level was applied on the micro-switch 23c by spring 23b, this sensor 23 was opened.Otherwise this sensor 23 is still closed.When someone was sitting on the chair, this sensor 23 was opened, when he or she when chair stands, this sensor 23 is closed.
This sensor 23 also is connected to control circuit 19, and as shown in Figure 5, and circuit 19 follow procedures only work switch 5 when switch 23 is opened.Therefore, unless take the mobile chair of ability on chair.
Take advantage of chair platform place, be provided with the lamp 24 (Fig. 1) that sensor starts.Lamp 24 normally used sensors are to be suitable for detecting the infradred sensor of heat and turning on the light 24.Therefore, this lamp 24 is only just opened when the chair that is loaded with the people is near lamp, otherwise still closes.The lamp 24 of sensor startup also can make the user can find that any obstacle along guide rail also in time stops chair along guide rail 3 with suitable spacing setting like this.
As shown in fig. 1, this lamp 24 is set to illuminate user's underfooting.When a people when taking advantage of the chair district, this lamp 24 is opened automatically to illuminate user's underfooting, makes him or she can be multiplied by chair safely.
When user's weight in excess descended to be higher than predetermined speed if overspeed detection device 15 detects chair, control circuit 19 was with disable motor 14, and startup drg 22 is to stop this chair 4.
If chain is cut off, the free fall disease-prevention institutions 16 will work in time to stop this chair.Even the free fall disease-prevention institutions 16 are inoperative, overspeed detection device 15 will detect the hypervelocity of this chair and start drg 22 in time to stop this chair.
When a people when taking advantage of the chair district, lamp 24 is opened automatically to illuminate its underfooting, makes him can go down chair safely.
Therefore, sensor 23, detector 15 and lamp 24 will prevent accident.This system can use thus safely.
For this system, can add the self-hold circuit 30 shown in Fig. 6.This circuit comprises a reset switch 31 and a guard relay 32.This guard relay 32 have a holding contact 32 ', this holding contact 32 ' with the circuit opening contact 17 of overspeed detection device 17 ' connect.This reset switch 31 and contact 17 ' and 32 ' in parallel.This contact 17 ' close usually, and only when overspeed detection device 17 starts, open.
Self-hold circuit 30 itself is connected between the main switch 33 and control circuit 19 of this system, as shown in the figure.In this device, if overspeed detection device 17 starts circuit opening contact 17 ' open.When this contact 17 ' open circuit, relay 32 cuts out.This makes contact 32 ' open circuit.Therefore, even along with overspeed detection device 17 contact 17 when inoperative ' close again as early as possible, contact 32 ' still open, like this, even main switch 32 is closed, this system is still inoperative.In order to restart the system of this state, reset switch 31 has to be closed.When reset switch 31 cut out along with cutting out of main switch 33, guard relay 32 started, and made contact 32 ' close again.Therefore, even reset switch 31 is opened, electric current is flowed through, and main switch 33, contact 17 ' and 32 ' to control circuit, this system is activated.Therefore, in order when overspeed detection device 17 has been activated, to restart this system, be necessary to close reset switch 31 and main switch 33.This has prevented this system because mistake has been closed main switch 33 separately and restarted suddenly.
Claims (3)
1. the chair system of a going upstairs, it comprises: guide rail, a chair and an elevator that is used for moving along this guide rail described chair that is slidably mounted on this guide rail of placing along stair, described chair is provided with a switch that is used to start described elevator, it is characterized in that also comprising a sensor that is arranged on the described chair, it is used to detect the people and has been sitting on the chair and described switch is only worked when the people is sitting on the chair.
2. going upstairs as claimed in claim 1 system is characterized in that, also comprises a lamp, and this light fixture has one to be suitable for the sensor that only just can turn on the light when the people is near this lamp, and this lamp is arranged on and takes advantage of the chair platform or along a pre-position of guide rail.
3. going upstairs as claimed in claim 1 system, it is characterized in that, also comprise a chair stop mechanism, it comprises that a speed sensor that is used to detect the speed of described chair, one are installed in being used on the described elevator and brake drg and a control unit of described elevator, if the speed of the described chair that described sensor arrives surpasses a predetermined value, this control unit is used for inactive described elevator and starts described drg.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001002163A CN1176002C (en) | 2000-01-06 | 2000-01-06 | Chair system for going upstairs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB001002163A CN1176002C (en) | 2000-01-06 | 2000-01-06 | Chair system for going upstairs |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1302762A CN1302762A (en) | 2001-07-11 |
CN1176002C true CN1176002C (en) | 2004-11-17 |
Family
ID=4575319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001002163A Expired - Fee Related CN1176002C (en) | 2000-01-06 | 2000-01-06 | Chair system for going upstairs |
Country Status (1)
Country | Link |
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CN (1) | CN1176002C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973480A (en) * | 2010-11-23 | 2011-02-16 | 嘉兴学院 | Hydraulic boosted escalator |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102259780B (en) * | 2011-03-17 | 2013-11-27 | 太仓市康辉科技发展有限公司 | Control system of stair curve guide way climbing robot |
KR20160143753A (en) * | 2014-04-08 | 2016-12-14 | 페르노-와싱턴, 인코포레이티드. | Seat assembly for a patient transport device |
GB2527295A (en) * | 2014-06-16 | 2015-12-23 | Stannah Stairlifts Ltd | Improvements in or relating to stairlifts |
CN105329802B (en) * | 2014-08-07 | 2017-09-29 | 郑永如 | Flat step pneumatic elevator upstairs |
CN104724581A (en) * | 2015-03-16 | 2015-06-24 | 陈长柱 | Intelligent corridor elevator instead of walk |
CN104724580A (en) * | 2015-03-16 | 2015-06-24 | 陈长柱 | Control system and method for intelligent corridor elevator instead of walk |
CN105110145B (en) * | 2015-07-24 | 2017-11-24 | 浙江非常道楼道电梯有限公司 | A kind of passageway lift |
CN105236242B (en) * | 2015-11-06 | 2017-07-21 | 高国昌 | Passageway lift |
DE102017202010A1 (en) * | 2017-02-08 | 2018-08-09 | Thyssenkrupp Ag | stair lift |
CN107738965A (en) * | 2017-10-25 | 2018-02-27 | 界首市迅立达电梯有限公司 | One kind is based on gear-driven double track chair type elevator control gear system |
-
2000
- 2000-01-06 CN CNB001002163A patent/CN1176002C/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973480A (en) * | 2010-11-23 | 2011-02-16 | 嘉兴学院 | Hydraulic boosted escalator |
CN101973480B (en) * | 2010-11-23 | 2012-04-25 | 嘉兴学院 | Hydraulic boosted escalator |
Also Published As
Publication number | Publication date |
---|---|
CN1302762A (en) | 2001-07-11 |
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Granted publication date: 20041117 Termination date: 20180106 |
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