CN202119782U - Speed alarm device of magnetic induction type - Google Patents
Speed alarm device of magnetic induction type Download PDFInfo
- Publication number
- CN202119782U CN202119782U CN2011201459327U CN201120145932U CN202119782U CN 202119782 U CN202119782 U CN 202119782U CN 2011201459327 U CN2011201459327 U CN 2011201459327U CN 201120145932 U CN201120145932 U CN 201120145932U CN 202119782 U CN202119782 U CN 202119782U
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- Prior art keywords
- chute
- permanent magnet
- electromagnetic relay
- alarm
- speed
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Abstract
The utility model provides a speed alarm device of magnetic induction type, comprising a permanent magnet arranged on a wheel semi shaft, an excitation coil fixed on a vehicle brake, an electromagnetic relay, an alarm output apparatus and a power source. A chute assembly is fixed on a bottom of each pole of two poles of the permanent magnet; the chute assembly comprises an inner chute which is opened downwards and shows an arch shape, an outer chute which is opened upwards and shows an arch shape, and a connection board connecting the inner chute and the outer chute; an inner surface of the chute bottom of outer chute is contacted with the excitation coil; an inner surface of the chute bottom of the inner chute is contacted with the control coil; and the electromagnetic relay is in a series connection between the power supply and the alarm output apparatus. According to the utility model, the technical problems of high cost of the vehicle speed limit apparatus, complex structure, and relatively narrow application scope are solved; and the beneficial effects are that the structure is simple, application scope is wide, speed limitation setting is convenient, and alarm effect is good.
Description
Technical field
The utility model relates to a kind of vehicle speed limitation warning device, especially relates to a kind of warning device with the magnetic induction speed of a motor vehicle.
Background technology
The Along with people's growth in the living standard, the vehicle use is used universal more more, and in order to improve running efficiency, various vehicle design rates are more and more faster.Because receive the restriction of road and environment during vehicle is advanced, different vehicles needs different speed in different travels down, to guarantee the safety of traffic participant.This just needs a kind of device, makes vehicle under steam in case above the speed that qualification is set, just can constantly remind human pilot to slow down.Chinese patent grant number CN201449393U; Date of declaration on May 5th, 2010, name is called the utility model patent of " a kind of automobile speed limit caution system ", and a kind of automobile speed limit caution system is provided; It comprises: storage unit, and the orientation that is used to store each road indicates and standard of the limited speed; GPS positioning-speed-measuring unit is responsible for collecting current car speed information and current orientation indicates and export to control module; Control module is divided at least two velocity shootings according to current automobilism speed and standard of the limited speed, and judges that the residing velocity shooting of current automobilism speed is interval, exports corresponding alerting signal according to said judged result; The alerting signal transmitter unit receives control module and sends or export signal; Concept color light generator receives the signal of alerting signal transmitter unit and exports corresponding warning light; Storage unit wherein, GPS positioning-speed-measuring unit are connected with control module respectively with the alerting signal transmitter unit.This automobile speed limit caution system can in real time, dynamically reflect car speed information, makes the driver in reasonable range, improve the speed of a motor vehicle as far as possible, has solved the untimely problem of overspeed alarm.But the limiting vehicle speed system adopts electronic control device, and cost is high, and complex structure is applicable to that usable range is narrower on the medium-to-high grade car, has influence on the universal use of limiting vehicle speed device.
Summary of the invention
High in order to solve the limiting vehicle speed installation cost; Complex structure; The technical matters that the scope of application is narrower; The utility model provides that a kind of cost of manufacture is low, simple in structure, the magnetic inductive car speed alarm device of applied range, plays the effect that can point out the driver to slow down and go slowly when in the vehicle ' process, surpassing preset speed limit.
The technical scheme of the utility model is: a kind of magnetic inductive car speed alarm device; It comprises the permanent magnet that is installed on the wheel semiaxis, be fixed on field coil on the vehicle brake, be installed in electromagnetic relay, alarm output device and power supply on the car body; Electromagnetic relay comprises control coil; The bottom at permanent magnet the two poles of the earth respectively is fixed with a slide assembly, and slide assembly comprises one Open Side Down and be the external chute and the web joint that is connected internal chute and external chute that the internal chute of arcuation, an opening upwards are arcuation that web joint is strip; The upper surface of web joint is connected with permanent magnet; One end of web joint lower surface is connected with the outside surface of internal chute bottom land, and the other end of web joint lower surface is connected with a limit of external chute, and the inside surface of external chute bottom land contacts with field coil; The inside surface of internal chute bottom land contacts with control coil, and electromagnetic relay is connected between power supply and the alarm output device.Vehicle is advanced, wheel, and the rotation of wheel semiaxis drives the permanent magnet rotation that is installed on the wheel semiaxis, is fixed on the field coil cutting permanent magnet magnetic force line on the vehicle brake this moment, and the field coil two ends produce electric potential difference.Because the bottom at slide assembly and permanent magnet the two poles of the earth is fixed, slide assembly rotates the voltage that guarantees output with permanent magnet to be stablized, and promptly in electromagnetic relay coil, produces direct current.The speed of a motor vehicle is high more like this; Wheel is fast more; The electric current that produces is big more, and when the magnetic field force of electric current generation in the control coil of electromagnetic relay surpassed electromagnetic relay retracing spring elastic force, electromagnetic relay was closed; Power supply and alarm output device are connected and are sent the overspeed alarming prompting, remind the driver to slow down and go slowly.Car speed alarm device low cost of manufacture simple in structure is applicable to motor vehicles miscellaneous such as automobile, tractor, motorcycle, applied range.
As preferably, field coil is saddle and is provided with some groups and is distributed on the vehicle brake, and permanent magnet is the U shape and is embedded in the field coil, and the clearance distance between the width d of permanent magnet and the two groups of field coils is suitable; Like this, in the arbitrary moment in the permanent magnet rotary course, two external chutes of slide assembly can both contact with the pairing field coil in permanent magnet the two poles of the earth, have guaranteed the stable of output electromotive force.
As preferably, be serially connected with adjustable resistance between internal chute and the control coil; Resistance through regulating adjustable resistance is set the speed of a motor vehicle that limits, and limits the speed of a motor vehicle and is provided with conveniently.
As preferably, be serially connected with CS between internal chute and the said control coil; When needs use car speed alarm device, closed CS, promptly available; In the time need not using car speed alarm device, break off CS and get final product, car speed alarm device is selected easy to use.
As preferably, alarm output device comprises loudspeaker and alarm lamp, loudspeaker and alarm lamp parallel connection; Acousto-optic report to the police simultaneously the driver is reminded effective.
Compared with prior art, the utility model beneficial effect is: car speed alarm device low cost of manufacture simple in structure is applicable to motor vehicles miscellaneous such as automobile, tractor, motorcycle, applied range; Set the speed of a motor vehicle of qualification through the resistance of regulating adjustable resistance, limit the speed of a motor vehicle and be provided with conveniently; Warning is output as acousto-optic and reports to the police simultaneously, the driver is reminded effective.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model;
Accompanying drawing 2 is the vertical view that permanent magnet, field coil and the slide assembly of the utility model is connected.
Among the figure: the 1-permanent magnet; The 2-field coil; The 3-electromagnetic relay; The 4-alarm output device; The 5-power supply; The 6-CS; The 7-adjustable resistance; The 8-slide assembly; The 31-returning spring; The 32-control coil; The 33-relay switch; The 41-loudspeaker; 42-alarm lamp; The 81-internal chute; The 82-external chute; The 83-web joint.
Embodiment.
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment 1:
As illustrated in fig. 1 and 2, a kind of magnetic inductive car speed alarm device, it comprises the permanent magnet 1 that is installed on the wheel semiaxis, be fixed on field coil 2 on the vehicle brake, be installed in electromagnetic relay 3, alarm output device 4 and power supply 5 on the car body.Electromagnetic relay 3 comprises returning spring 31, control coil 32 and relay switch 33.The bottom at permanent magnet 1 the two poles of the earth respectively is fixed with a slide assembly 8, and slide assembly 8 comprises one Open Side Down that the internal chute 81 that is arcuation, opening upwards are the external chute 82 of arcuation and are connected the web joint 83 of internal chute 81 and external chute 82.Web joint 83 is strip, and the upper surface of web joint 83 is connected with permanent magnet 1, and an end of web joint 83 lower surfaces is connected with the outside surface of internal chute 81 bottom lands, and the other end of web joint 83 lower surfaces is connected with a limit of external chute 82.Field coil 2 is saddle and is provided with some groups and is distributed on the vehicle brake, and permanent magnet 1 is the U shape and is embedded in the field coil 2, the clearance distance suitable (as shown in Figure 2) between the width d of permanent magnet 1 and the two groups of field coils 2.The inside surface of external chute 82 bottom lands contacts with field coil 2.The make progress bottom land inside surface of external chute 82 of arcuation of one end of field coil 2 and an opening contacts, and the make progress bottom land inside surface of external chute 82 of arcuation of the other end of field coil 2 and another opening contacts.The quantity that field coil is 2 groups is decided according to the size of the width d of permanent magnet 1, and the clearance distance between the two adjacent groups field coil 2 equates with the size of width d.The inside surface of internal chute 81 bottom lands contacts with control coil 32.Be serially connected with adjustable resistance 7 between internal chute 81 and the control coil 32, be serially connected with CS 6 between internal chute 81 and the control coil 32.One end of control coil 32 series connection adjustable resistance 7 and then contact with the bottom land inside surface of an arcuation internal chute 81, the other end of control coil 32 CS 6 of connecting contacts with the bottom land inside surface of another arcuation internal chute 81 then.Alarm output device 4 comprises loudspeaker 41 and alarm lamp 42, loudspeaker 41 and alarm lamp 42 parallel connections.Electromagnetic relay 3 is connected between power supply 5 and the alarm output device 4.
Behind vehicle launch, wheel, vehicle begins to advance.The rotation of wheel semiaxis drives permanent magnet 1 rotation that is installed on the wheel semiaxis, is fixed on the magnetic line of force of the field coil 2 cutting permanent magnets 1 on the vehicle brake this moment, and field coil 2 two ends produce electric potential difference.Field coil 2 two ends contact with two external chutes 82 respectively, and the bottom land inside surface of internal chute 81 contacts with the two ends of control coil 32.Field coil 2, external chute 82, web joint 83, internal chute 81 and control coil 32 formation loops.Because slide assembly 8 is fixed with the bottom at permanent magnet 1 the two poles of the earth, slide assembly 8 rotates with permanent magnet 1, has guaranteed that the voltage of loop output is stable, promptly in electromagnetic relay coil 32, produces direct current.The speed of a motor vehicle is high more like this, and wheel is fast more, and the electric current of generation is big more; When the speed of a motor vehicle surpass to be set speed limit, the magnetic field force that promptly produces when electric current in the control coil 32 of electromagnetic relay 3 is during above the restoring force of the retracing spring 31 of electromagnetic relay 3, relay switch 33 closures of electromagnetic relay 3; Alarm output device 4 is connected with power supply 5 and is sent the overspeed alarming prompting; Be that loudspeaker 41 is sounded a buzzer, alarm lamp 42 exhibit red blinking lights are reminded the driver to slow down and are gone slowly simultaneously.In the speed of a motor vehicle drops to qualification speed; The magnetic field force that promptly produces when electric current in the control coil 32 of electromagnetic relay 3 is during less than the restoring force of the retracing spring 31 of electromagnetic relay 3; The relay switch 33 of electromagnetic relay 3 breaks off, and power supply 5 breaks off with alarm output device 4, removes the overspeed alarming prompting.In order to adapt to the travel speed of varying environment, only need through regulating variable resistor 7, the size of the magnetic field force that electric current produces in the control coil 32 of change electromagnetic relay 3 reaches the highest different qualification speed of a motor vehicle is set.Close or break off CS 6, can use or without car speed alarm device.
Claims (5)
1. magnetic inductive car speed alarm device; It is characterized in that: it comprises the permanent magnet (1) that is installed on the wheel semiaxis, be fixed on field coil (2) on the vehicle brake, be installed in electromagnetic relay (3), alarm output device (4) and power supply (5) on the car body; Said electromagnetic relay (3) comprises control coil (32); The bottom at said permanent magnet (1) the two poles of the earth respectively is fixed with a slide assembly (8); Said slide assembly (8) comprises one Open Side Down that the internal chute (81) that is arcuation, opening upwards are the external chute (82) of arcuation and are connected the web joint (83) of internal chute (81) and external chute (82); Said web joint (83) is strip; The upper surface of web joint (83) is connected with said permanent magnet (1); One end of web joint (83) lower surface is connected with the outside surface of said internal chute (81) bottom land, and the other end of web joint (83) lower surface is connected with a limit of said external chute (82), and the inside surface of said external chute (82) bottom land contacts with said field coil (2); The inside surface of said internal chute (81) bottom land contacts with said control coil (32), and said electromagnetic relay (3) is connected between said power supply (5) and the said alarm output device (4).
2. a kind of magnetic inductive car speed alarm device according to claim 1; It is characterized in that: said field coil (2) is saddle and is provided with some groups and is distributed on the vehicle brake; Said permanent magnet (1) is the U shape and is embedded in the said field coil (2), and the clearance distance between the width d of permanent magnet (1) and the two groups of field coils (2) is suitable.
3. a kind of magnetic inductive car speed alarm device according to claim 1 is characterized in that: be serially connected with adjustable resistance (7) between said internal chute (81) and the said control coil (32).
4. a kind of magnetic inductive car speed alarm device according to claim 1 is characterized in that: be serially connected with CS (6) between said internal chute (81) and the said control coil (32).
5. a kind of magnetic inductive car speed alarm device according to claim 1 is characterized in that: said alarm output device (4) comprises loudspeaker (41) and alarm lamp (42), said loudspeaker (41) and alarm lamp (42) parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201459327U CN202119782U (en) | 2011-05-10 | 2011-05-10 | Speed alarm device of magnetic induction type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201459327U CN202119782U (en) | 2011-05-10 | 2011-05-10 | Speed alarm device of magnetic induction type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119782U true CN202119782U (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201459327U Expired - Fee Related CN202119782U (en) | 2011-05-10 | 2011-05-10 | Speed alarm device of magnetic induction type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569311A (en) * | 2017-03-08 | 2018-09-25 | 华东交通大学 | A kind of EMU platform side identification device of line of induction ring type |
| CN110196394A (en) * | 2019-06-23 | 2019-09-03 | 郑州工业应用技术学院 | Wafer cassette electronic tag electric quantity warning device |
-
2011
- 2011-05-10 CN CN2011201459327U patent/CN202119782U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569311A (en) * | 2017-03-08 | 2018-09-25 | 华东交通大学 | A kind of EMU platform side identification device of line of induction ring type |
| CN110196394A (en) * | 2019-06-23 | 2019-09-03 | 郑州工业应用技术学院 | Wafer cassette electronic tag electric quantity warning device |
| CN110196394B (en) * | 2019-06-23 | 2021-04-20 | 郑州工业应用技术学院 | Electric quantity alarm device for wafer box electronic tag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140510 |