CN201694702U - Electromagnetic brake with detection function - Google Patents
Electromagnetic brake with detection function Download PDFInfo
- Publication number
- CN201694702U CN201694702U CN2010201196543U CN201020119654U CN201694702U CN 201694702 U CN201694702 U CN 201694702U CN 2010201196543 U CN2010201196543 U CN 2010201196543U CN 201020119654 U CN201020119654 U CN 201020119654U CN 201694702 U CN201694702 U CN 201694702U
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- China
- Prior art keywords
- iron core
- magnetopause
- plate
- hall element
- top plate
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- Expired - Lifetime
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Abstract
The utility model belongs to the technical field of elevator brake device, in particular to an electromagnetic brake with a detection function, which comprises an iron core component and a magnetic top plate component. The magnetic top plate component includes a magnetic top plate, a Hall sensor mounted on the iron core component is electrically connected with a control circuit, and a permanent magnet matching with the Hall sensor is mounted on the magnetic top plate. A detection and switching component of the magnetic brake has a function of detecting the brake and reset state of the brake and a function of detecting excessive-abrasion state of a frictional sheet and detects by the aid of switching value output signals and a state indicating lamp. When the frictional sheet is abraded, a clearance between the iron core component and the magnetic top plate component can gradually increase, and when the clearance between the iron core component and the magnetic top plate component reaches a certain value (critical value), in other words, abrasion of the frictional sheet reaches a certain degree, the detection and switching component acts, thereby being capable of informing maintenance staff that the brake needs to be adjusted or the frictional sheet needs to be replaced.
Description
Technical field
The utility model belongs to elevator brake manufacturing technology field, especially a kind of magnet stopper with measuring ability.
Background technology
Magnet stopper is the requisite fender guard of elevator safety operation; it has the braking and the two states that resets; when abnormal operation of elevator; system cuts off the electricity supply; the control electromagnet loses electromagnetic force, under the elastic force effect of spring, promotes friction lining contact traction sheave; the towing machine of stop operation is realized braking function gradually.After system realizes braking, can drg be resetted by manual type.When system's normal power-up work, electromagnet produces electromagnetic force, and friction lining declutches (being that friction lining breaks away from traction sheave), and drg is in reset mode, and towing machine is in normal working.
The switch of towing machine use at present all is the mechanical type micro-switch, and there is low, insecure shortcoming of working in service life in it; And for the little gap between moving plate and the quiet plate, as the gap of 0.3mm, the prior mechanical micro-switch can't detect at all.In addition, existing elevator machine brake is not all crossed the function that wear state detects to friction lining, and can only check whether friction lining needs to adjust or change with artificial unloading's drg at present.
The utility model content
The purpose of this utility model is to overcome the above-mentioned defective that prior art exists, and a kind of magnet stopper with measuring ability is provided.
For reaching above-mentioned technical purpose, the utility model is taked technical scheme one: have the magnet stopper of measuring ability, comprise core assembly, magnetopause board component, the magnetopause board component comprises the magnetopause plate, core assembly is installed Hall element, and Hall element and control circuit electrically connect; The magnetopause plate is installed and the suitable permanent magnet of described Hall element.
Described magnet stopper with measuring ability, the magnetopause plate is provided with cushion blocking by the side of core assembly, and cushion blocking protrudes from the side of magnetopause plate.
Described magnet stopper with measuring ability, core assembly comprise iron core base plate, iron core outer ring, iron core inner ring, coil and skeleton, and described magnetopause plate and iron core base plate are arranged in parallel, and described Hall element is installed on the iron core outer ring by bolt.
For reaching above-mentioned technical purpose, the utility model also provides second kind of technical scheme: have the magnet stopper of measuring ability, comprise core assembly, magnetopause board component, the magnetopause board component comprises the magnetopause plate, the magnetopause plate is installed Hall element, and Hall element and control circuit electrically connect; Install and the suitable permanent magnet of described Hall element on the core assembly.
Described magnet stopper with measuring ability, the magnetopause plate is provided with cushion blocking by the side of core assembly, and cushion blocking protrudes from the side of magnetopause plate.
Described magnet stopper with measuring ability, core assembly comprise iron core base plate, iron core outer ring, iron core inner ring, coil and skeleton, and described magnetopause plate and iron core base plate are arranged in parallel, and described Hall element is installed on the magnetopause plate by bolt.
The detection of the utility model magnet stopper and control group have two functions, and the one, detect the braking and the reset mode of drg, the 2nd, detect the wear state of crossing of friction lining, it detects by switching value output signal and status indicator lamp.When friction disc wear, it is big that the gap between core assembly and the magnetopause board component can become gradually; When the gap between core assembly and the magnetopause board component reaches certain value (critical value), when promptly friction disc wear acquires a certain degree, just produce action (led status change), thereby can inform that maintainer's drg need adjust or renewal of facing; The change of switching value output signal can stop the operation of elevator together with apparatus for controlling elevator, avoids elevator in the operation down of unsafe state.
The detection of the utility model magnet stopper and control group adopt the hall position switch, it is highly sensitive, long service life, air gap is low, control stiffness is high, can accurately detect the little gap between moving plate and the quiet plate, and by monitoring to the friction disc wear amount, for the abrasion loss of monitoring friction lining provides alarm preferably, thereby improved the accuracy of control, improved the safe work state of towing machine.
Description of drawings
Fig. 1 is the structural representation of the utility model magnet stopper.
Fig. 2 is the cross sectional drawing of magnetopause plate.
Fig. 3 is the relative position scheme drawing of Hall element and permanent magnet.
Fig. 4 is the principle of work scheme drawing of detection and control group.
Fig. 5 is the schematic circuit diagram of detection and control group.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
Shown in Fig. 1-2, the magnet stopper that the utlity model has measuring ability comprises core assembly, magnetopause board component, core assembly comprises iron core base plate 30, iron core outer ring 27, iron core inner ring 28, coil 32, skeleton 31, iron core base plate 30 is rectangular-shaped, circular hole of the each side formation of iron core outer ring 27, two circular hole symmetric arrangement.Iron core inner ring 28 is cylindrical, two circular holes of iron core outer ring 27 are respectively inserted an iron core inner ring 28, the center of circle of the circular hole of iron core outer ring 27 is on the axis of iron core inner ring 28, and the diameter of iron core inner ring 28 is littler than circular hole, thereby makes the external diameter of iron core outer ring 28 form annular groove between the internal diameter of iron core outer ring 27 circular holes.It is medial surface that iron core outer ring 27, iron core inner ring 28 process the lower surface that adopts several socket head cap screws 29 to be installed on iron core base plate 30 in the back respectively.Two coils 32 respectively on a skeleton 31, are installed on respectively in the annular groove of both sides then.
The magnetopause board component comprises magnetopause plate 33, magnetopause plate 33 rectangular shapes, and its size is corresponding with iron core base plate 30.Magnetopause plate 33 be in core assembly iron core outer ring 27, iron core inner ring 28 and coil 32 the below and leave the gap.Magnetopause plate 33 parallels with iron core base plate 30 and is connected four double end studs 9 between the two, double end stud 9 vertically passes iron core base plate 30, iron core outer ring 27 and magnetopause plate 33, in iron core base plate 30 and 33 outer casing springs 3 of magnetopause plate, the two ends up and down of spring 3 peak at the inwall of iron core base plate 30, the inwall of magnetopause plate 33 respectively, under the elastic force effect of spring 3, magnetopause plate 33 can outwards move.The termination that double end stud 9 stretches out magnetopause plate 33 belows screws in packing ring 1.The upper surface of magnetopause plate 33 is a fixedly cushion blocking 34 of medial surface, and cushion blocking 34 protrudes from the upper surface of magnetopause plate 33 slightly, the noise that cushion blocking 34 produces in the time of can reducing the impact of magnetopause plate.
The position probing of the utility model magnet stopper is to adopt displacement pickup and control circuit to realize.The proportional voltage signal in gap between displacement pickup output and the sound plate (being magnetopause plate and iron core base plate); Control circuit converts voltage signal to switching value signal and indicator lamp signal.Displacement pickup is called linear transducer again, and it is divided into inductive displacement transducer, capacitive displacement transducer, optical displacement sensor, ultrasonic type displacement pickup, Hall displacement transducer etc.What adopt in the present embodiment is Hall displacement transducer, and it is a kind of Magnetic Sensor, and the output voltage of Hall element and its residing magnetic-field intensity are directly proportional.Therefore, Hall element is placed in the magnetic field environment that a magnetic-field intensity changes with displacement gradient, Hall element just can be exported and the proportional voltage of displacement, the principle of work of Here it is Hall element.Referring to Fig. 3.Adopt the Hall element Displacement Measurement to have advantages such as inertia is little, frequency response fast, reliable operation, life-span length.
Referring to Fig. 4,5, permanent magnet 36 is producing the magnetic field that a magnetic field intensity gradient changes along its axial space.The magnetic-field intensity of Hall element 18 positions changes with the gap change between magnetopause plate and the iron core base plate, and both gaps are little, and it is in a stronger magnetic field; When both gaps were big, it was in a more weak magnetic field, its output voltage thereby difference.Control circuit 50 converts the voltage signal of Hall element 18 to indicator signal and switching value signal, respectively by indicator lamp 51, switching value output 52 outputs.When two sheet separations during, export a switching value signal and light indicator signal, the reset mode of sign drg less than certain value; When the gap between two plates during greater than certain value, export another switching value signal and light indicator signal, the sign brake friction member cross wear state.
When drg resetted, the gap between core assembly and the magnetopause board component reduced, and the switching value output signal A of Hall element overturns, and homing light A lights, and shows the reset mode of drg.When the drg glancing impact, the gap increase between core assembly and the magnetopause board component, the switching value output signal A of Hall element overturns once more, and homing light A extinguishes, and shows the braking mode of drg.
When friction member weares and teares, gap increase between magnetopause board component and the core assembly, when may wear to the trouble free service critical value, the switching value output signal B of Hall element overturns, wearing and tearing indicator lamp B lights, show the wear state of crossing of drg, remind operating personal, need in time to change friction member.
The utility model adopts accurate position detecting device, and by the wear state of crossing of switching value signal output and indicator lamp detection brakeage state and friction lining, it is highly sensitive, switch life is long, air gap is low, control stiffness is high; By the monitoring to the friction disc wear amount, the wearing and tearing that can be the control friction lining provide alarm preferably, thereby improve the accuracy of control, improve the safe work state of towing machine.
Certainly, also can be with the installation site exchange of Hall element and permanent magnet, promptly, permanent magnet is installed on core assembly, and Hall element and control circuit are installed on the magnetopause board component, other content is same as the previously described embodiments, also can reach the technique effect of the foregoing description.
Above-mentioned preferred embodiment of the present utility model has been done detailed description; but the utility model is not limited to the foregoing description; any to conversion of the present utility model, modification, and any magnet stopper that is provided with the utility model detection and control group all falls into protection domain of the present utility model.
Claims (6)
1. the magnet stopper that has measuring ability comprises core assembly, magnetopause board component, and the magnetopause board component comprises the magnetopause plate, it is characterized in that: described core assembly is installed Hall element, and Hall element and control circuit electrically connect; The magnetopause plate is installed and the suitable permanent magnet of described Hall element.
2. according to the described magnet stopper with measuring ability of claim 1, it is characterized in that the magnetopause plate is provided with cushion blocking by the side of core assembly, cushion blocking protrudes from the side of magnetopause plate.
3. according to the described magnet stopper of claim 1 with measuring ability, it is characterized in that, described core assembly comprises iron core base plate, iron core outer ring, iron core inner ring, coil and skeleton, described magnetopause plate and iron core base plate are arranged in parallel, and described Hall element is installed on the iron core outer ring by bolt.
4. the magnet stopper that has measuring ability comprises core assembly, magnetopause board component, and the magnetopause board component comprises the magnetopause plate, it is characterized in that: described magnetopause plate is installed Hall element, and Hall element and control circuit electrically connect; Install and the suitable permanent magnet of described Hall element on the described core assembly.
5. according to the described magnet stopper with measuring ability of claim 4, it is characterized in that described magnetopause plate is provided with cushion blocking by the side of core assembly, cushion blocking protrudes from the side of magnetopause plate.
6. according to the described magnet stopper of claim 4 with measuring ability, it is characterized in that, described core assembly comprises iron core base plate, iron core outer ring, iron core inner ring, coil and skeleton, described magnetopause plate and iron core base plate are arranged in parallel, and described Hall element is installed on the magnetopause plate by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201196543U CN201694702U (en) | 2010-02-25 | 2010-02-25 | Electromagnetic brake with detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201196543U CN201694702U (en) | 2010-02-25 | 2010-02-25 | Electromagnetic brake with detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201694702U true CN201694702U (en) | 2011-01-05 |
Family
ID=43395944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201196543U Expired - Lifetime CN201694702U (en) | 2010-02-25 | 2010-02-25 | Electromagnetic brake with detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201694702U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058062A (en) * | 2013-01-15 | 2013-04-24 | 山西太钢不锈钢股份有限公司 | Online detecting method for brake of lifting mechanism of crane |
| CN103935858A (en) * | 2014-04-09 | 2014-07-23 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device of traction machine brake |
| CN104098044A (en) * | 2013-04-12 | 2014-10-15 | 通力股份公司 | Operational brake of an elevator, and an elevator |
| CN106405493A (en) * | 2016-09-06 | 2017-02-15 | 北京易游华成科技有限公司 | People flow tracking method and apparatus |
| WO2017101135A1 (en) * | 2015-12-18 | 2017-06-22 | 海安县申菱电器制造有限公司 | Intelligent detection system for electromagnetic brake |
| DE102018131563A1 (en) | 2018-12-10 | 2020-06-10 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for detecting the release of an electromagnetic safety brake |
| CN111959461A (en) * | 2020-07-20 | 2020-11-20 | 易显智能科技有限责任公司 | Vehicle safety control system and method and vehicle |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
-
2010
- 2010-02-25 CN CN2010201196543U patent/CN201694702U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103058062A (en) * | 2013-01-15 | 2013-04-24 | 山西太钢不锈钢股份有限公司 | Online detecting method for brake of lifting mechanism of crane |
| CN104098044A (en) * | 2013-04-12 | 2014-10-15 | 通力股份公司 | Operational brake of an elevator, and an elevator |
| CN104098044B (en) * | 2013-04-12 | 2019-05-03 | 通力股份公司 | The operation brake apparatus and elevator of elevator |
| CN103935858A (en) * | 2014-04-09 | 2014-07-23 | 浙江梅轮电扶梯成套有限公司 | Automatic detection device of traction machine brake |
| CN103935858B (en) * | 2014-04-09 | 2016-05-11 | 浙江梅轮电扶梯成套有限公司 | A kind of traction machine brake automatic detection device |
| WO2017101135A1 (en) * | 2015-12-18 | 2017-06-22 | 海安县申菱电器制造有限公司 | Intelligent detection system for electromagnetic brake |
| CN106405493A (en) * | 2016-09-06 | 2017-02-15 | 北京易游华成科技有限公司 | People flow tracking method and apparatus |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
| DE102018131563A1 (en) | 2018-12-10 | 2020-06-10 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Method for detecting the release of an electromagnetic safety brake |
| CN111959461A (en) * | 2020-07-20 | 2020-11-20 | 易显智能科技有限责任公司 | Vehicle safety control system and method and vehicle |
| CN111959461B (en) * | 2020-07-20 | 2021-11-23 | 易显智能科技有限责任公司 | Vehicle safety control system and method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang Patentee before: Hangzhou Huning Elevator Fitting Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121 Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang Patentee before: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |