CN203889829U - Hall sensor for elevator load detection - Google Patents
Hall sensor for elevator load detection Download PDFInfo
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- CN203889829U CN203889829U CN201420294341.XU CN201420294341U CN203889829U CN 203889829 U CN203889829 U CN 203889829U CN 201420294341 U CN201420294341 U CN 201420294341U CN 203889829 U CN203889829 U CN 203889829U
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- 238000001514 detection method Methods 0.000 title abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 239000003381 stabilizer Substances 0.000 description 1
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- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The utility model discloses a hall sensor for elevator load detection, and relates to the technical field of elevator load detection. The hall sensor comprises a rectification and filtration module, a sensing module, a magnet, a triode driver, a relay and a work instruction module. An input power supply AC/DC 24 V is connected with the rectification and filtration module, the rectification and filtration module, the sensing module, the triode driver, the relay and the work instruction module are sequentially connected, and the relay outputs control isolation contacts. The hall sensor bears the elevator load effect directly, solves the problems of low overload capacity or system damage caused by mechanical vibration and is high in locating accuracy, free of electromagnetic interference, high in sensitivity, good in leakproofness, small in size, convenient to install and use, small in power consumption, long in service life and good in stability, and the deviation value of the hysteresis displaced position is small.
Description
Technical field
The utility model relates to elevator load detection technique field, be specifically related to the Hall element that a kind of elevator load detects.
Background technology
Existing elevator load detection technique adopts magnetic reed switch conventionally, inductance approach switch, capacitive approach switch, photoelectric switch, Ultrasonic Sensor identical functions product, although they have been widely used in the fields such as industry control, but also there is the weak shortcoming of limitation, as magnetic reed switch, response needs the magnet of certain size, location interest for delinquency error etc., inductance approach switch is subject to different metal magnetic conduction to affect sense distance, capacitive approach switch is subject to electromagnetic interference influence, and approaching the opening the light of photo-electric needs reception/emission control with Ultrasonic Sensor, circuit is more complicated, and the Hall element that elevator load detects has been widely used in industrial automatic control, elevator loading control, the fields such as detection, it is the first-selected sensor that elevator load device detects, so the Hall element that elevator load detects is to have very much market application foreground.
Summary of the invention
For the deficiency existing in prior art, the utility model object is the Hall element that is to provide a kind of elevator load detection, directly bears elevator load effect, positioning precision is high, and the system failure problem that does not exist overload capacity deficiency or mechanical vibration to bring, is not subject to electromagnetic interference, highly sensitive, lagged displacement position deviation amount is little, good airproof performance, and volume is small and exquisite, easy to install, low in energy consumption, long working life, good stability.
To achieve these goals, the utility model is to realize by the following technical solutions: the Hall element that a kind of elevator load detects, comprise rectification filtering module, sensing module, magnet, triode driver, relay and work indicating module, input power AC/DC24V connects rectification filtering module, rectification filtering module, sensing module, triode driver, relay, work indicating module connect successively, and spacing contact is controlled in relay output.
As preferably, described rectification filtering module is made up of bridge heap and the first electric capacity, relay is made up of the first electromagnetic relay and the second electromagnetic relay, power supply connects 1 pin of bridge heap after the first wire fuse, 3 pin, 2 pin of bridge heap, 4 pin and connect the first electric capacity after connect respectively 1 pin of sensing module, 3 pin, between 3 pin of sensing module and 4 pin, be connected to the second electric capacity, the first resistance, the first diode, after the first electromagnetic relay three parallel connection, two ends are connected to respectively 1 pin of sensing module, the collecting electrode of the first aerotron, 2 pin of sensing module, 3 pin connect respectively the base stage of the first aerotron, emitter, the collecting electrode of the first aerotron connects the base stage of the second resistance to the second aerotron, the emitter of the second aerotron connects 3 pin of sensing module, the collecting electrode of the second aerotron connects 2 pin of the second electromagnetic relay to bridge heap, the second electromagnetic relay respectively and be connected to the second diode, the circuit series of light-emitting diode and the 3rd resistance, the normally closed contact of the second electromagnetic relay connects output signal after the second wire fuse.
As preferably, described the first aerotron, the second aerotron all adopt NPN channel-type aerotron.
As preferably, described the first wire fuse, the second wire fuse all adopt resettable fuse.
The beneficial effects of the utility model: (1), employing Hall element, realize noncontact induction mode of operation, elevator load effect is directly born by Account Dept, long working life, good stability, the upset of overload signal location, positioning precision is high, the system failure problem that does not exist overload capacity deficiency or mechanical vibration to bring.
(2), highly sensitive, lagged displacement position deviation amount is little, good airproof performance is easy to install, volume is small and exquisite, is not subject to electromagnetic interference, low in energy consumption.
Brief description of the drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Detailed description of the invention
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with detailed description of the invention, further set forth the utility model.
With reference to Fig. 1-2, this detailed description of the invention is by the following technical solutions: the Hall element that a kind of elevator load detects, comprise rectification filtering module A, sensing module B, magnet C, triode driver D, relay J and work indicating module E, input power AC/DC24V meets rectification filtering module A, rectification filtering module A, sensing module B, triode driver D, relay J, work indicating module E connects successively, spacing contact is controlled in relay J output, rectification filtering module A is made up of bridge heap QD and the first capacitor C 1, relay J is made up of the first electromagnetic relay J1 and the second electromagnetic relay J2.
It should be noted that, power supply connects 1 pin of bridge heap QD after the first wire fuse P1, 3 pin, 2 pin of bridge heap QD, 4 pin also connect rear 1 pin that meets respectively sensing module B of the first capacitor C 1, 3 pin, between 3 pin of sensing module B and 4 pin, be connected to the second capacitor C 2, the first resistance R 1, the first diode D1, after the first electromagnetic relay J1 three parallel connection, two ends are connected to respectively 1 pin of sensing module B, the collecting electrode of the first aerotron Q1, 2 pin of sensing module B, 3 pin connect respectively the base stage of the first aerotron Q1, emitter, the collecting electrode of the first aerotron Q1 connects the base stage of the second resistance R 2 to second aerotron Q2, the emitter of the second aerotron Q2 connects 3 pin of sensing module B, the collecting electrode of the second aerotron Q2 connects 2 pin of the second electromagnetic relay J2 to bridge heap QD, the second electromagnetic relay J2 respectively and be connected to the second diode D2, the circuit series of LED and the 3rd resistance R 3, the normally closed contact of the second electromagnetic relay J2 connects output signal after the second wire fuse P2.
It should be noted that; described the first aerotron Q1, the second aerotron Q2 all adopt NPN channel-type aerotron; the first wire fuse P1, the second wire fuse P2 all adopt resettable fuse; in input and output normally closed contact, string has the first wire fuse P1, two resettable fuses of the second wire fuse P2; there is overcurrent protection, auto restore facility, be not afraid of circuit misconnection and cause permanent damages.
This detailed description of the invention AC/DC electric current input rectifying filtration module A, it obtains vdc through the QD rectification of bridge heap and the first capacitor C 1 filtrate after by the first wire fuse P1 current-limiting protection, sensing module B includes interior voltage stabilizer and displacement pickup, amplification and processes integrated circuit, magnet C is the strong magnetic of orientation of for this reason specially joining, when it is during near sensing module B, and output low level in active distance, when it exports high level during away from effective travel, it is agile, and upset gap is little, highly sensitive; The signal of being exported by sensing module B need after triode driver D drives, control respectively the first electromagnetic relay J1 and the second electromagnetic relay J2 suction, put, LED that the second electromagnetic relay J2 two ends and the 3rd resistance R 3 are connected provides instruction as working station indicator, the first electromagnetic relay J1 and the second electromagnetic relay J2 often draw respectively and open, normally closed spacing contact, can control external circuit break-make, spread out of the specified or overweight detection signal of elevator load, work by PC control elevator.
This detailed description of the invention adopts novel hall device to do sensor, be equipped with highly reliable miniature relay, integrated regulator, the electronicies package such as resettable fuse have formed unique non-contact switch, it has than the particular advantages of magnetic reed switch, inductance approach switch, capacitive approach switch, photoelectric switch, Ultrasonic Sensor identical functions product, hall device technology maturation, the feasibility that forms a complete production network is strong, is applicable to volume production.
This detailed description of the invention adopts integrated circuit up-to-date technology, low in energy consumption, efficiency is high, output contact electric current is large, product structure is simple, good seal performance, and volume is small and exquisite, Installation and Debugging are convenient, positioning precision is high, and sensitive quick, upset gap is little, having great cost performance, is the first-selected sensor of elevator load detecting device.
More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. the Hall element that elevator load detects, it is characterized in that, comprise rectification filtering module (A), sensing module (B), magnet (C), triode driver (D), relay (J) and work indicating module (E), input power AC/DC24V connects rectification filtering module (A), rectification filtering module (A), sensing module (B), triode driver (D), relay (J), work indicating module (E) connect successively, and spacing contact is controlled in relay (J) output.
2. the Hall element that a kind of elevator load according to claim 1 detects, it is characterized in that, described rectification filtering module (A) is made up of bridge heap (QD) and the first electric capacity (C1), relay (J) is made up of the first electromagnetic relay (J1) and the second electromagnetic relay (J2), power supply connects 1 pin of bridge heap (QD) after the first wire fuse (P1), 3 pin, 2 pin of bridge heap (QD), 4 pin and connect the first electric capacity (C1) after connect respectively 1 pin of sensing module (B), 3 pin, between 3 pin of sensing module (B) and 4 pin, be connected to the second electric capacity (C2), the first resistance (R1), the first diode (D1), after the first electromagnetic relay (J1) three parallel connection, two ends are connected to respectively 1 pin of sensing module (B), the collecting electrode of the first aerotron (Q1), 2 pin of sensing module (B), 3 pin connect respectively the base stage of the first aerotron (Q1), emitter, the collecting electrode of the first aerotron (Q1) connects the base stage of the second resistance (R2) to the second aerotron (Q2), the emitter of the second aerotron (Q2) connects 3 pin of sensing module (B), the collecting electrode of the second aerotron (Q2) connects 2 pin of the second electromagnetic relay (J2) to bridge heap (QD), the second electromagnetic relay (J2) respectively and be connected to the second diode (D2), the circuit series of light-emitting diode (LED) and the 3rd resistance (R3), the normally closed contact of the second electromagnetic relay (J2) connects the rear output signal of the second wire fuse (P2).
3. the Hall element that a kind of elevator load according to claim 2 detects, is characterized in that, described the first aerotron (Q1), the second aerotron (Q2) all adopt NPN channel-type aerotron.
4. the Hall element that a kind of elevator load according to claim 2 detects, is characterized in that, described the first wire fuse (P1), the second wire fuse (P2) all adopt resettable fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294341.XU CN203889829U (en) | 2014-06-05 | 2014-06-05 | Hall sensor for elevator load detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294341.XU CN203889829U (en) | 2014-06-05 | 2014-06-05 | Hall sensor for elevator load detection |
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| Publication Number | Publication Date |
|---|---|
| CN203889829U true CN203889829U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420294341.XU Expired - Lifetime CN203889829U (en) | 2014-06-05 | 2014-06-05 | Hall sensor for elevator load detection |
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| Country | Link |
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| CN (1) | CN203889829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110536853A (en) * | 2017-03-31 | 2019-12-03 | 因温特奥股份公司 | The method of car load measuring system and the load for determining lift car |
-
2014
- 2014-06-05 CN CN201420294341.XU patent/CN203889829U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110536853A (en) * | 2017-03-31 | 2019-12-03 | 因温特奥股份公司 | The method of car load measuring system and the load for determining lift car |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 13603, 2072 Songjin Road, Zhangyan Town, Jinshan District, Shanghai Patentee after: Tofe sensing technology (Shanghai) Co.,Ltd. Address before: Jinshan District Zhangyan town 201514 Shanghai City Matsugane Road No. 2072 room 13603 Patentee before: SHANGHAI TOFI ELECTRICAL TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |