CN203605897U - Vehicle height sensor - Google Patents
Vehicle height sensor Download PDFInfo
- Publication number
- CN203605897U CN203605897U CN201320699573.9U CN201320699573U CN203605897U CN 203605897 U CN203605897 U CN 203605897U CN 201320699573 U CN201320699573 U CN 201320699573U CN 203605897 U CN203605897 U CN 203605897U
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- China
- Prior art keywords
- control circuit
- circuit board
- height sensor
- antenna
- housing
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- Expired - Lifetime
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- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
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Images
Abstract
The utility model provides a vehicle height sensor. The vehicle height sensor comprises a housing, a control circuit board and an antenna; one end of the housing is provided with mounting holes, and the other end of the housing is provided with an accommodating chamber and a plug terminal chamber; the control circuit board is provided with an oscillation circuit and a microcontroller; the antenna comprises a magnetic steel and an inductive coil which is arranged in an annular groove of the magnetic steel; the control circuit board is positioned at the bottom of the accommodating chamber through a positioning column, the antenna is positioned in the accommodating chamber through the positioning column, and a gap is provided between the antenna and the control circuit board; the antenna and the control circuit board are sealed in the accommodating chamber through an insulating filling material; a plurality of needle-shaped plug terminals are arranged in the plug terminal chamber, and one end of each needle-shaped plug terminal is connected with a signal output end of the control circuit board; and the inductive coil is connected with a signal input end of the control circuit board. The vehicle height sensor has the advantages of simple structure, the small whole body, portability, small occupied space, easy installation, the wide application range, and excellent anti-vibration, high-voltage resistant, high- and low-temperature resistant, dustproof and waterproof performance, and has a variety of signal output modes.
Description
Technical field
The utility model relates to auto electronic control technology field, particularly relates to a kind of height sensor.
Background technology
Person of ordinary skill in the field knows, automobile is generally made up of four essential parts such as engine, chassis, vehicle body and electrical equipments.Wherein, the effect on chassis is the assembly that supports, installs motor car engine and each parts thereof, forms the moulded of automobile, and receives the power of engine, makes automobile produce motion, guarantees normally to travel; Therefore, chassis is made up of kinematic train, driving system, steering, suspension and brake system five parts.Suspension is the general name of all the power transmission coupling arrangements between vehicle frame and vehicle bridge or the wheel of automobile, its effect is that power and the power of transfer function between wheel and vehicle frame is turned round, and buffering is passed to the impulsive force of vehicle frame or vehicle body by uneven road surface, and the vibrations that cause thus that decay, to guarantee that automobile can smoothly travel.Suspension is made up of flexible member, guiding mechanism and vibroshock etc., and indivedual suspension structure also have buffer stopper, QS etc.; Flexible member has again the forms such as leaf spring, air spring, spiral automobile pendulum spring and torsion-bar spring.Suspension flexibly connects vehicle frame and wheel, and the vehicle body vibrations that cause in order to the uneven road surface of decaying, meet the comfortableness requirement of automobile, and in the process of decay vehicle body vibrations, the height of vehicle body relative wheel always changes thereupon.
Bodywork height has determined the height of automobile barycenter, the dynamic property of the height of automobile barycenter on automobile, economy, braking, control stability etc. have impact, therefore, the automobile of prior art is often provided with vehicle body sensor, according to the signal of vehicle body sensor, by the damping of electronic control unit adjustable suspension and the stiffness parameters of automobile, reach a suitable value, take into account the performance of each side.The height sensor of prior art generally adopts hall principle, and its shortcoming is to take up room greatly, and difficulty is installed.
Summary of the invention
The shortcoming of prior art in view of the above, the technical problems to be solved in the utility model be to provide a kind of structure small and exquisite, take up room little, be convenient to the height sensor installed, to overcome the above-mentioned defect of prior art.
In order to solve the problems of the technologies described above, the utility model provides a kind of height sensor, comprises housing, control circuit board and antenna;
One end of described housing is provided with mounting hole, and the other end of described housing is provided with container cavity and inserting terminal chamber;
Described control circuit board is provided with oscillatory circuit and microcontroller;
Described antenna comprises magnet steel, be located at the telefault in the ring groove of described magnet steel;
Described control circuit board is positioned the bottom of described container cavity by reference column, described antenna is positioned in described container cavity by described reference column, between described antenna and described control circuit board, is provided with space; Described antenna and described control circuit board are insulated packing material and are sealed in described container cavity;
In the inserting terminal chamber of described housing, be provided with many aciculiform plug terminals, one end of many described aciculiform plug terminals connects respectively the signal output part of described control circuit board; Described telefault connects the signal input part of described oscillatory circuit, and the signal output part of described oscillatory circuit connects the signal input part of described microcontroller.
Preferably, described magnet steel comprises that cross section is the circular soft magnetic ferrite magnet steel of rectangle, and described ring groove is located at an end face of described soft magnetic ferrite magnet steel.
Preferably, described telefault comprises that lateral surface establishes reeded annular insulation framework and be wound in the wire of the circle circle mutually insulated in the groove of described annular insulation framework.
Preferably, described microcontroller is singlechip chip, and described singlechip chip is located on described control circuit board by SMT technique.
Preferably, described insulation filling material is polyurethane.
Preferably, the quantity of described aciculiform plug terminal is 3.
As mentioned above, height sensor of the present utility model, has following beneficial effect:
1, simple in structure, production cost is low, entirety is small and exquisite, light, good looking appearance, take up room little, be convenient to install, because control circuit board and antenna are all insulated in the container cavity that packing material is sealed in housing, thereby there is good anti-vibration, anti-high pressure, anti-high and low-temp, dust protection and water resistance.
2, described microcontroller adopts singlechip chip, has multiple output mode: analog signal output, pwm signal are exported, thereby is applicable to receive the Auto Electronic Controlled System of various signals, and usable range is wide.
Accompanying drawing explanation
Fig. 1 is shown as the schematic appearance of height sensor of the present utility model.
Fig. 2 is shown as the schematic top plan view of height sensor of the present utility model.
The master that Fig. 3 is shown as height sensor of the present utility model looks cross-sectional schematic.
Fig. 4 is shown as the B of Fig. 2 to partial schematic diagram.
Element numbers explanation
100 housings
101 mounting holes
110 container cavities
120 inserting terminal chambeies
200 control circuit boards
310 magnet steel
The annular insulation framework of 321 telefaults
The wire of 322 telefaults
400 reference columns
500 insulation filling materials
600 aciculiform plug terminals
Embodiment
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar can understand other advantages of the present utility model and effect easily by the disclosed content of this instructions.
Refer to Fig. 1 to Fig. 4.Notice, appended graphic the illustrated structure of this instructions, ratio, size etc., all contents in order to coordinate instructions to disclose only, understand and read for person skilled in the art scholar, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this instructions, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, changing under technology contents, when being also considered as the enforceable category of the utility model without essence.
In view of height sensor in prior art generally adopts hall principle, take up room large, the shortcomings such as difficulty are installed, inventor of the present utility model designs a kind of novel height sensor, the variation of the antenna induction bodywork height of making by magnet steel and telefault, by the control circuit board that is provided with oscillatory circuit and microcontroller by antenna induction to signal process, with simulating signal, the output mode outputs such as pwm signal, not only simple in structure, entirety is small and exquisite, light, take up room little, be convenient to install, there is good anti-vibration, anti-high pressure, anti-high and low-temp, dust protection and water resistance, and be applicable to receive the Auto Electronic Controlled System of various signals, thereby usable range is wide.
Below will be elaborated to height sensor of the present utility model by specific embodiment.
As shown in Figure 3, a kind of height sensor, comprises housing 100, control circuit board 200 and antenna; Described antenna comprises magnet steel 310, be located at the telefault in the ring groove of described magnet steel 310.
As shown in Figure 1 and Figure 2, one end of described housing 100 is provided with mounting hole 101, and the other end of described housing 100 is provided with container cavity 110 and inserting terminal chamber 120.
As shown in Figure 3, described control circuit board 200 comprises pcb board, and described pcb board is provided with oscillatory circuit and microcontroller.Described control circuit board 200 is positioned the bottom of described container cavity 110 by reference column 400, described antenna is positioned, in described container cavity 110, between described antenna and described control circuit board 200, to be provided with space by described reference column 400; Described antenna and described control circuit board 200 are insulated packing material 500 and are sealed in described container cavity 110.
As shown in Figure 2, Figure 4 shows, be provided with many aciculiform plug terminals 600 in the inserting terminal chamber 120 of described housing 100, one end of many described aciculiform plug terminals 600 connects respectively the signal output part of described control circuit board 200; Described telefault connects the signal input part of described oscillatory circuit, and the signal output part of described oscillatory circuit connects the signal input part of described microcontroller.Because described aciculiform plug terminal 600 is signal output terminals of height sensor of the present utility model, be consistent with the quantity of the signal output terminal generally adopting in prior art, the quantity of described aciculiform plug terminal of the present utility model is preferably 3.
In order to make the volume of described antenna little, thereby make height sensor entirety of the present utility model small and exquisite, simultaneously, for the utility model easy to assembly, it is the circular soft magnetic ferrite magnet steel of rectangle that described magnet steel 310 preferably adopts cross section, and the ring groove of described magnet steel 310 is located at an end face of described soft magnetic ferrite magnet steel.
In order to make between described telefault and described magnet steel 310 in state of insulation, described telefault comprises that lateral surface establishes reeded annular insulation framework 321 and be wound in the wire 322 of the circle circle mutually insulated in the groove of described annular insulation framework 321.
Described microcontroller of the present utility model is preferably singlechip chip, and described singlechip chip is located on described pcb board by SMT technique.Described singlechip chip can have multiple output mode: analog signal output, pwm signal output etc., thus be applicable to receive the Auto Electronic Controlled System of various signals, make height sensor usable range of the present utility model wide.
Because polyurethane sealant has good wearing quality after solidifying, low-temperature pliability, performance adjustable extent is wider, physical strength is large, cementability is good, good springiness, there is good nerve, be suitable for dynamic seam, good weatherability, can reach 15～20 years serviceable life, and oil resistance is good, resistance to biological aging, price is also moderate, so, described insulation filling material of the present utility model preferably adopts polyurethane sealant, the container cavity 110 of the housing that is provided with control circuit board 200 and described antenna is filled rear solidifying by polyurethane sealant, thereby control circuit board 200 and described antenna are sealed in described container cavity 110, thereby height sensor of the present utility model has good anti-vibration, anti-high pressure, anti-high and low-temp, dust protection and water resistance.
The using method of height sensor of the present utility model is: height sensor of the present utility model is fixed on body of a motor car and is the chassis portion being fixedly connected with by the mounting hole 101 of housing one end, one metalwork is fixed on the back boom of automobile, make described metalwork be positioned at height sensor of the present utility model under, the aciculiform plug terminal of height sensor of the present utility model is connected with the signal input part of Auto Electronic Controlled System., automobile in the process of moving, bodywork height changes, distance between height sensor of the present utility model and described metalwork changes thereupon, cause the magnetic field intensity between described magnet steel 310 and described metalwork to change, thereby the inductance of the telefault of described antenna is changed thereupon, the oscillatory circuit that described inductance causes described control circuit board 200 changes, described oscillatory circuit just change be demodulated to DC voltage change, and DC voltage is changed and flows to described microcontroller, the variation of DC voltage is changed into the real-time altitude signal of vehicle body by described microcontroller, by described aciculiform plug terminal 600, signal is transferred to Auto Electronic Controlled System, thereby make people can understand in real time the information of bodywork height.And Auto Electronic Controlled System can be sent control signal accordingly according to the bodywork height information receiving, suspension damping and stiffness parameters to automobile are adjusted, thereby take into account the performance of the each side such as the dynamic property, economy, braking, operational stability of automobile.
The technician in described field knows in addition, and car headlamp is the major equipment of vehicle going at night, if the beam irradiation position of headlamp is improper, will affect normal Effective Illuminance and oncoming vehicle driver's the visual field, thereby affects driving at night safety.The car headlamp of prior art is fixed on vehicle body, because of automobile under steam the height of vehicle body relative wheel be real-time change, thereby cause the beam irradiation position of headlamp in variable condition, can not remain on correct position always.When height sensor of the present utility model is applied to automobile, can configure for car headlamp the kinematic train at the beam emissions angle of a set of its above-below direction of adjustment, the bodywork height signal that this kinematic train can be measured according to the height sensor of the present utility model receiving by Auto Electronic Controlled System regulates in real time, makes the light beam of car headlamp be radiated at correct position always.
In sum, height sensor of the present utility model is simple in structure, and production cost is low, entirety small and exquisite, light, good looking appearance, take up room little, be convenient to install, there is good anti-vibration, anti-high pressure, anti-high and low-temp, dust protection and water resistance; Have multiple output mode: analog signal output, pwm signal are exported, and are applicable to receive the Auto Electronic Controlled System of various signals, and usable range is wide.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (6)
1. a height sensor, is characterized in that, comprises housing (100), control circuit board (200) and antenna;
One end of described housing (100) is provided with mounting hole (101), and the other end of described housing (100) is provided with container cavity (110) and inserting terminal chamber (120);
Described control circuit board (200) is provided with oscillatory circuit and microcontroller;
Described antenna comprises magnet steel (310), be located at the telefault in the ring groove of described magnet steel (310);
Described control circuit board (200) is positioned the bottom of described container cavity (110) by reference column (400), described antenna is positioned in described container cavity (110) by described reference column (400), between described antenna and described control circuit board (200), is provided with space; Described antenna and described control circuit board (200) are insulated packing material (500) and are sealed in described container cavity (110);
In the inserting terminal chamber (120) of described housing (100), be provided with many aciculiform plug terminals (600), one end of many described aciculiform plug terminals (600) connects respectively the signal output part of described control circuit board (200); Described telefault connects the signal input part of described oscillatory circuit, and the signal output part of described oscillatory circuit connects the signal input part of described microcontroller.
2. height sensor according to claim 1, is characterized in that: described telefault comprises that lateral surface establishes reeded annular insulation framework (321) and be wound in the wire (322) of the circle circle mutually insulated in the groove of described annular insulation framework (321).
3. height sensor according to claim 1 and 2, is characterized in that: described magnet steel (310) comprises that cross section is the circular soft magnetic ferrite magnet steel of rectangle, and described ring groove is located at an end face of described soft magnetic ferrite magnet steel.
4. height sensor according to claim 1 and 2, is characterized in that: described microcontroller is singlechip chip, and described singlechip chip is located on described control circuit board (200) by SMT technique.
5. height sensor according to claim 1 and 2, is characterized in that: described insulation filling material (500) is polyurethane.
6. height sensor according to claim 1 and 2, is characterized in that: the quantity of described aciculiform plug terminal (600) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699573.9U CN203605897U (en) | 2013-11-06 | 2013-11-06 | Vehicle height sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699573.9U CN203605897U (en) | 2013-11-06 | 2013-11-06 | Vehicle height sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203605897U true CN203605897U (en) | 2014-05-21 |
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ID=50718563
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320699573.9U Expired - Lifetime CN203605897U (en) | 2013-11-06 | 2013-11-06 | Vehicle height sensor |
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| Country | Link |
|---|---|
| CN (1) | CN203605897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634237A (en) * | 2013-11-06 | 2015-05-20 | 上海信耀电子有限公司 | Vehicle height sensor |
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
-
2013
- 2013-11-06 CN CN201320699573.9U patent/CN203605897U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634237A (en) * | 2013-11-06 | 2015-05-20 | 上海信耀电子有限公司 | Vehicle height sensor |
| CN104748659A (en) * | 2015-04-07 | 2015-07-01 | 上海信耀电子有限公司 | Vehicle body height sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |