CN2938105Y - Vehicle speed measuring device - Google Patents
Vehicle speed measuring device Download PDFInfo
- Publication number
- CN2938105Y CN2938105Y CN 200620121360 CN200620121360U CN2938105Y CN 2938105 Y CN2938105 Y CN 2938105Y CN 200620121360 CN200620121360 CN 200620121360 CN 200620121360 U CN200620121360 U CN 200620121360U CN 2938105 Y CN2938105 Y CN 2938105Y
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Abstract
Disclosed is a vehicle velocity measuring device, comprising a signal processing unit which can receive and process GPS signals and send out vehicle velocity signals, a socket and plug unit which can be electrically linked and then arranged on a cigar lighter, a convertor unit which is linked with the socket and plug unit, an inter-control unit which is electrically linked with the signal processing unit and the convertor unit, a display unit which is electrically linked with the inter-control unit. The inter-control unit can receive and process the vehicle velocity signals from the signal processing unit and the rotating speed signals from the convertor unit and then send out the corresponding display signals. The display unit can receive the display signals and project the image which represents the velocity and the rotating speed and engine speed on the front windshield. The cigar lighter can be electrically linked to measure the rotating speed of the engine and the display unit is designed to have the function of front display, therefore the vehicle velocity measuring device is easy to assemble and use.
Description
Technical field
The utility model relates to a kind of speed arrangement for detecting, but is meant a kind of measuring car speed and engine speed especially, and with the automobile-used speed arrangement for detecting of demonstration with the hand-free sound amplification function that come back.
Background technology
For many drivers, in the car traveling process, whether reasonable care present running speed in capital surpasses speed limit, and whether engine speed is too high at present, guaranteeing traffic safety, and in order to grasp the speed of a motor vehicle at any time, the driver must not timing bows and watches pointer on the instrument panel, but this kind sight line temporarily moves apart the mode of watching of driving trend, can increase the danger of driving on the contrary.Though present many users can use the velometer with Global Positioning System (GPS) (GPS) mostly, voice or audible alert by velometer are learnt the present speed of a motor vehicle, but can't provide the relevant information of relevant engine speed, still can only learn, so still dangerous property by watching the pointer on the instrument panel.
Though existing at present dealer releases so-called head-up display device (HEADS UPDISPLAY, HUD), by microcomputer electric ways of connecting with head-up display device and automobile, the speed of a motor vehicle and engine speed are shown on the front windshield in driver's sight line the place ahead, for driver's direct viewing, but the mounting means of this kind head-up display device is very complicated, because the existing travelling crane computer is very accurate, also can initiatively detect the change of voltage and electric current, if finding voltage or electric current, car running computer has unusually, just can send diagnostic trouble code, so this head-up display device must be installed by the professional personnel of depot usually, and can only on this vehicle, use after installing, can't pull down at any time and move and be loaded on other vehicles and use quite trouble and inconvenience.In addition, because the fast development of mobile communication science and technology, many people can run into the mobile phone situation of incoming call suddenly unavoidably during driving, and based on security consideration, more and more drivers can be chosen in installs automobile-used hand-free public address equipment again additional in the car, conveniently to receive calls.But thus, except being provided with the HUD, also need move devices such as automobile-used hand-free public address equipment is installed between clearancen, quite inconvenience in the car.Therefore, if can be with new line Presentation Function, measuring car speed and engine speed function, and automobile-used hand-free sound amplification function combines, and is designed to be available for users to install voluntarily, will be a big Gospel of driving family.
Novel content
The purpose of this utility model is to provide a kind of and is convenient under the prerequisite of using on the different vehicle based on making things convenient for the driver to install and use voluntarily, has the automobile-used speed arrangement for detecting of the new line Presentation Function that shows the speed of a motor vehicle, engine speed simultaneously concurrently.
Another purpose of the present utility model is to provide a kind of and is convenient under the prerequisite of using on the different vehicle based on making things convenient for the driver to install and use voluntarily, has the new line Presentation Function that shows the speed of a motor vehicle, engine speed simultaneously and the automobile-used speed arrangement for detecting of hand-free sound amplification function concurrently.
Automobile-used speed arrangement for detecting of the present utility model, be applicable to and be electrically connected on the cigar lighter be plugged in an automobile and be assembled in the front windshield inboard, this automobile-used speed arrangement for detecting comprises a signal processing unit that can receive the signal of handling Global Positioning System (GPS) and export a vehicle speed signal corresponding with present garage speed, one is electrically connected removably and is plugged on the described cigar lighter and can receives the plug-in unit of the power supply signal of cigar lighter output, a converting unit that is electrically connected with this plug-in unit, a middle control unit that is electrically connected between signal processing unit and converting unit, and a display unit that is electrically connected with middle control unit.This converting unit can receive processing from the power supply signal of plug-in unit and export a tach signal corresponding with engine speed, should can receive processing from shows signal of the corresponding output of the vehicle speed signal of signal processing unit in middle control unit with the tach signal of converting unit, this display unit comprise one can receive this shows signal and on front windshield the indication mechanism of the present speed of a motor vehicle of projection representative and the image of engine speed, and brightness adjusting mechanism that can be projeced into the brightness of image on the front windshield in order to the adjustment indication mechanism.
Can be directly learn by Global Positioning System (GPS) that the present speed of a motor vehicle, converting unit can be electrically connected with cigar lighter by this signal processing unit and record engine speed, reach display unit and have the function design that comes back and show the speed of a motor vehicle and engine speed, make the assembling of this automobile-used speed arrangement for detecting all quite convenient with use.
Description of drawings
Below in conjunction with drawings and Examples heat abstractor of the present utility model is elaborated, in the accompanying drawing:
Fig. 1 is that first embodiment of automobile-used speed arrangement for detecting of the present utility model is assembled in a synoptic diagram on the automobile;
Fig. 2 is the functional block diagram of this first embodiment;
Fig. 3 is the ripple signal schematic representation in the direct current of cigar lighter output of this automobile;
Fig. 4 is that second embodiment of automobile-used speed arrangement for detecting of the present utility model is assembled in a synoptic diagram on the automobile;
Fig. 5 is that the 3rd embodiment of automobile-used speed arrangement for detecting of the present utility model is assembled in the synoptic diagram on the rearview mirror of an automobile.
Embodiment
Before the utility model is described in detail, it should be noted that in the following description content similar elements is to represent with identical numbering.
As shown in Figure 1, 2, first embodiment of automobile-used speed arrangement for detecting of the present utility model is applicable to the cigar lighter 21 of an automobile 2 and is electrically connected, and be assembled in front windshield 22 inboards, data projections such as the speed of a motor vehicle and engine (figure does not show) rotating speed can be presented on the front windshield 22 in zone in driver's horizontal line of sight the place ahead, and can supply driver's direct viewing, also can carry out radio communication with a communicator 23, and the function that provides hand-free to amplify, this communicator 23 can be devices such as mobile phone or PDA, but when implementing not as limit.
In the present embodiment, this automobile-used speed arrangement for detecting comprises a hollow box 31, a signal processing unit 32 that is assembled in the box body 31, one is arranged at the box body 31 outer plug-in units 33 that are plugged in the cigar lighter 21 that also are electrically connected removably, one is assembled in converting unit 34 in this box body 31 with plug-in unit 33 ground connection that is electrically connected, one is assembled in this box body 31 and is electrically connected on this signal processing unit 32 and the middle control unit 35 of 34 of converting units, one is assembled in the box body 31 and the hand-frees that are electrically connected with middle control unit 35 unit 36 that amplifies, and one is located at this box body 31 and the display unit 37 that is electrically connected with middle control unit 35 outward.
This signal processing unit 32 is to be made of GPS (GPS) module, can receive and handle the signal that Global Positioning System (GPS) is sent, and calculate data such as height, coordinate and velocity of displacement, in the present embodiment, this signal processing unit 32 is in order to calculating present running speed, and vehicle speed signal of corresponding output to should in control unit 35.
This plug-in unit 33 comprises a conducting terminal 331, and transmission line 330 that is electrically connected on 34 of this conducting terminal 331 and converting units, conducting terminal 331 can be plugged in the aforementioned cigar lighter 21 ordinatedly, mainly is to be sent to this converting unit 34 in order to the dc power signal that the generator (figure does not show) with car engine produces and exports via cigar lighter 21.
This converting unit 34 comprise one be electrically connected on conducting terminal 33 and 35 of middle control unit and in have the change-over circuit 341 of a plurality of operation programs, and be electrically connected with change-over circuit 341 respectively and setting-in exposes to a multisection type change-over switch 342 and a school tuning knob 343 on the box body 31.
In the present embodiment, the surging that generator produced can directly be subjected to the influence of engine speed speed, and engine speed can be controlled by the control of cylinder (figure does not show) the igniting number of times of automobile 2, cylinder firings speed is fast more, engine speed is fast more, after the AC power that this drive connection can make generator produce is changeed the rectification processing of direct current through interchange, be sent to the ripple signal that can produce different frequency on the direct current of cigar lighter 21 output, as shown in Figure 3, and engine speed is high more, the ripple signal frequency is high relatively more, and when rotating speed reduced, the ripple signal frequency also can diminish thereupon.
This change-over circuit 341 is except can be with after the dc power signal Filtering Processing from conducting terminal 33, in order to as outside drive signal processing unit 32, middle control unit 35 and the required power supply of display unit 37 actions, also can be with after the ripple signal conversion processes on the direct current of these cigar lighter 21 outputs, calculate engine speed, and one of corresponding output represents the signal of engine speed to middle control unit 35.
This multisection type change-over switch 342 can be pulled switching, and orders about the automobile 2 employings different built-in program of this change-over circuit 341 at various different number of cylinders, extrapolates the engine speed of the automobile 2 of each number of cylinders.This school tuning knob 343 can be turned and be transferred to the middle tach signal of controlling unit 35 in order to fine setting change-over circuit 341, conveniently still transfers in the school of the car engine rotating speed of different labels with number of cylinders.In the present embodiment, this school tuning knob 343 is to be made of variable resistor, but when implementing not as limit.
This hand-free unit 36 that amplifies comprises a telecommunication circuit 361 and source of sound output/receiver 362 that is arranged in the box body 31 and is electrically connected with middle control unit 35 respectively.This telecommunication circuit 361 can be carried out radio communication with this communicator 23, in the present embodiment, 23 of this telecommunication circuit 361 and communicators are to adopt the Bluetooth wireless transmission interface to communicate transmission, but the Bluetooth signal that is sent during these telecommunication circuit 361 received communication devices 23 conversations, and with control unit 35 in being sent to after this signal Processing, should can receive this signal of processing and a corresponding voice signal is sent to this source of sound output/receiver 362 in middle control unit 35, order about the conversation sound that this source of sound output/receiver 362 enlarges the output partner, on the other hand, this source of sound output/receiver 362 also can receive the sound of periphery, and an answer of corresponding generation signal is controlled unit 35 in being somebody's turn to do, should in control unit 35 can order about this telecommunication circuit 361 and should answer after the signal conversion processes, be sent to this communicator 23 via bluetooth wireless interface, and make partner can hear user's talk sound.Because the Bluetooth transmission technology is not this novel improved emphasis, therefore no longer describe in detail.
This display unit 37 comprises an indication mechanism 371 that is electrically connected with control unit 35 in this, and a setting-in exposes on the indication mechanism 371 and the brightness adjusting mechanism 372 that is electrically connected with indication mechanism 371.This signal processing unit 32 is that setting-in exposes to outside the indication mechanism 371.In the present embodiment, this indication mechanism 371 is a HUD (HEADS UPDISPLAY, HUD), can receive the shows signal of processing from control unit 35 in this, and projection produces the present speed of a motor vehicle of representative and engine speed image 370 on front windshield 22, but when implementing, this indication mechanism 371 throws image 370 kinds that produce and does not exceed with above-mentioned on front windshield 22.
This brightness adjusting mechanism 372 has setting-in respectively and exposes to a OPTICAL SENSORS 373 on the indication mechanism 371, and button 374 is adjusted in the brightness that can be turned.This OPTICAL SENSORS 373 induction light line strength automatically changes, adjust the brightness that its projection is formed at the image 370 of front windshield and order about this indication mechanism 371, for example when extraneous light is too bright, OPTICAL SENSORS 373 is just ordered about indication mechanism 371 and is improved its formed image 370 brightness, can know with the driver in the convinent car and watch this image 370.This brightness is adjusted button 374 and is available for users to manual adjusting style, changes image 370 brightness that this indication mechanism 371 forms.
When this automobile-used speed arrangement for detecting uses, need this indication mechanism 371 is placed in front windshield 22 inboard places, and be positioned at zone, bearing circle 23 dead ahead, and these conducting terminal 33 electrical connections are plugged in cigar lighter 21.By this indication mechanism 371 image 370 that directly projection produces on the front windshield 22 in driver's seat the place ahead, the driver is during driving, just but direct viewing is positioned at the image 370 on the front windshield 22 in its place ahead, sight line place, and learns the present speed of a motor vehicle and engine speed at once.
In the present embodiment, this indication mechanism 371 and 35 of middle control unit are to carry out data transmission by a signal line 37, but when implementing, the data transmission that indication mechanism 371 and middle control unit are 35 also can be designed to the wireless transmission form, mode such as infrared transmission or Bluetooth transmission for example, but when implementing not as limit.
What deserves to be mentioned is, this automobile-used speed arrangement for detecting is assembled for the first time, or quilt is separated the automobile 2 of assembling originally, and when being assembled in another automobile 2, because the different number of cylinders of each automobile 2, ripple signal frequency in the direct current that can make engine speed and be exported is difference to some extent, for the engine speed value of representative in the image 370 that makes Projection Display correct, after treating that assembling is finished, the user can be earlier to number of cylinders that should automobile 2 and pull the change-over switch 342 of this converting unit 34, order about the built-in corresponding program behavior of change-over circuit 341, then, be under the neutral state at engine start and car, by not turning this school tuning knob 343 while step on the gas (figure shows), finely tune change-over circuit 341 and export the middle signal of controlling unit 35 to, the engine speed value on engine speed value in the image 370 that indication mechanism 371 projections form and the instrument panel (figure does not show) about equally, and is quite convenient.
In addition, when this automobile-used speed arrangement for detecting is implemented, also can be designed to be able to be electrically connected with a satellite-signal multiplier (-icator) (figure does not show) again, make this signal processing unit 32 satellite-signal occur and receive when bad, can make clearly receiving satellite signal of this signal processing unit 32 by this multiplier (-icator).
Shown in Fig. 2,4, second embodiment of automobile-used speed arrangement for detecting of the present utility model, identical with first embodiment haply, difference is to be: this indication mechanism 371 is to be assembled in these box body 31 interior also parts to expose to this box body 31, and can on front windshield, 22 projections form image 370, it is that setting-in exposes on the box body 31 respectively that the OPTICAL SENSORS 373 of this brightness adjusting mechanism 372 is adjusted button 374 with brightness.When this speed measuring device uses, be front windshield 22 places that directly this box body 31 are arranged at driver's seat the place ahead, be convenient to display unit 37 projection on front windshield 22 and produce this image 370, driver's speed of a motor vehicle and rotary speed information are provided.
As shown in Figure 5, the 3rd embodiment of automobile-used Speed Sensor of the present utility model, identical with second embodiment haply, difference is to be: the box body structure design.
In the present embodiment, this box body 31 is the rearview mirror external forms that are designed to have back vision function, and can directly be installed on the rearview mirror 24 of script in the automobile 2, replaces the function of original rearview mirror 24.This indication mechanism 371 is to be assembled in these box body 31 interior also parts to expose to this box body 31 front sides, and can 22 projections form images 370 on front windshield.
Take a broad view of above-mentioned, seeing through this automobile-used speed arrangement for detecting only needs conducting terminal 331 electrical connections of this plug-in unit 33 are plugged in the cigar lighter 21, just can record running speed by signal processing unit 32, and utilize this converting unit 34 directly to obtain the design of engine speed by the electric signal of cigar lighter 21, make that the assembling use of this automobile-used speed arrangement for detecting is comparatively convenient, and when this display unit 37 by signal wire 37 and with middle control unit 35 lines after, only this indication mechanism 371 need be put in the appropriate location just and can be carried out projection, the assembling so the user can take action on one's own, and can conveniently pull down and move on other automobiles and use.Add display unit 37 and the direct projections of data such as present running speed and engine speed can be positioned at the design at driver's horizontal view angle place in front windshield 22, make the user to divert sb.'s attention, just can learn the present speed of a motor vehicle and engine speed, suitable benefiting be arranged for promoting traffic safety.In addition, be integrated in the structural design in this box body 31 by the unit 36 that can amplify with the hand-free that communicator 23 carries out radio communication, can simplify the car body volume inside, avoid the car internal cause to set up the multiple mixed and disorderly phenomenon that adds electrical installation and produce in addition, and can integrate the demonstration that comes back, test the speed and functions such as hand-free amplifies because of this automobile-used speed arrangement for detecting, and increase its market competitiveness.Therefore, can reach the purpose of this utility model really.
Claims (10)
1, a kind of automobile-used speed arrangement for detecting, be applicable to and be electrically connected on the cigar lighter be plugged in automobile and be assembled in the front windshield inboard, and comprise the signal processing unit that can receive the signal of handling Global Positioning System (GPS) and export the vehicle speed signal corresponding with present garage speed, it is characterized in that: this automobile-used speed arrangement for detecting also comprises removably to be electrically connected and is plugged on the described cigar lighter and can receives the plug-in unit of the power supply signal of cigar lighter output, be electrically connected and can receive processing with this plug-in unit and export converting unit with the corresponding tach signal of engine speed from the power supply signal of plug-in unit, can receive the middle control unit of processing from the corresponding output of the vehicle speed signal of signal processing unit shows signal with the tach signal of converting unit, and can be on front windshield the display unit of display image, this display unit comprises the indication mechanism that can receive this shows signal and throw the image of the present speed of a motor vehicle of representative and engine speed on front windshield, and can be in order to adjust the brightness adjusting mechanism that indication mechanism be projeced into the brightness of image on the front windshield.
2, automobile-used speed arrangement for detecting as claimed in claim 1 is characterized in that: this automobile-used speed arrangement for detecting also comprises hollow box, and this signal processing unit, converting unit and middle control unit are to be assembled in the box body respectively.
3, automobile-used speed arrangement for detecting as claimed in claim 2, it is characterized in that: this converting unit comprises the change-over circuit that also power supply signal can be handled the corresponding tach signal of back output and engine speed with this plug-in unit electrical connection, and the setting-in multisection type change-over switch that exposes on the box body and be electrically connected with change-over circuit, and when this change-over switch is pulled switching, can order about corresponding its pattern that receives this power supply signal of processing and the tach signal of corresponding output of changing of change-over circuit.
4, automobile-used speed arrangement for detecting as claimed in claim 3, it is characterized in that: this converting unit comprises that also setting-in exposes on the box body and the school tuning knob that is electrically connected with this change-over circuit, and when this school tuning knob is turned, but the modulation indication mechanism is projeced into the engine speed value of the image on the front windshield.
5, automobile-used speed arrangement for detecting as claimed in claim 1 is characterized in that: this brightness adjusting mechanism has the OPTICAL SENSORS that can respond to extraneous brightness automatically and order about the brightness of indication mechanism change image projected.
6, automobile-used speed arrangement for detecting as claimed in claim 5 is characterized in that: this brightness adjusting mechanism also has the brightness that can be turned and order about this indication mechanism change image projected brightness and adjusts button.
7, automobile-used speed arrangement for detecting as claimed in claim 2, it is characterized in that: this box body is a rearview mirror, and this display unit to be local outer open country be assembled in the box body and can throw this image of generation on front windshield.
8, automobile-used speed arrangement for detecting as claimed in claim 2 is characterized in that: but this automobile-used speed arrangement for detecting also comprises and is assembled in the box body and is electrically connected with middle control unit and wireless receiving signal of communication and export corresponding sound and reception sound and the hand-free that sends the corresponding signal of communication unit that amplifies.
9, automobile-used speed arrangement for detecting as claimed in claim 8, it is characterized in that: this hand-free unit that amplifies comprises the telecommunication circuit that is electrically connected and can receives and send signal of communication with middle control unit, and is electrically connected and source of sound output/receiver exportable and reception sound with middle control unit.
10, automobile-used speed arrangement for detecting as claimed in claim 9 is characterized in that: it is to adopt the Bluetooth wireless transmission interface that the signal of this telecommunication circuit receives with transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121360 CN2938105Y (en) | 2006-07-18 | 2006-07-18 | Vehicle speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620121360 CN2938105Y (en) | 2006-07-18 | 2006-07-18 | Vehicle speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938105Y true CN2938105Y (en) | 2007-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620121360 Expired - Fee Related CN2938105Y (en) | 2006-07-18 | 2006-07-18 | Vehicle speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2938105Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866050A (en) * | 2009-04-02 | 2010-10-20 | 通用汽车环球科技运作公司 | The luminance uniformity compensation that the vector projection shows |
| CN101954884A (en) * | 2009-07-13 | 2011-01-26 | 张家荣 | Anti-dazzle vehicle interior mirror system with composite information display |
| CN102128948A (en) * | 2011-01-29 | 2011-07-20 | 佛山分析仪有限公司 | Engine rotation speed detecting device and method thereof |
| CN103247264A (en) * | 2013-05-24 | 2013-08-14 | 谢定连 | Light shielding system for automobile driven at night |
| CN106476693A (en) * | 2016-12-16 | 2017-03-08 | 长春大学 | Prompt system and vehicle that a kind of manual-gear vehicle auxiliary is driven |
| CN110010146A (en) * | 2019-04-10 | 2019-07-12 | 无锡吉兴汽车声学部件科技有限公司 | A kind of automobile active noise reduction system and method |
-
2006
- 2006-07-18 CN CN 200620121360 patent/CN2938105Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866050A (en) * | 2009-04-02 | 2010-10-20 | 通用汽车环球科技运作公司 | The luminance uniformity compensation that the vector projection shows |
| CN101866050B (en) * | 2009-04-02 | 2013-11-20 | 通用汽车环球科技运作公司 | Luminance uniformity compensation of vector projection display |
| US8817090B2 (en) | 2009-04-02 | 2014-08-26 | GM Global Technology Operations LLC | Luminance uniformity compensation of vector projection display |
| CN101954884A (en) * | 2009-07-13 | 2011-01-26 | 张家荣 | Anti-dazzle vehicle interior mirror system with composite information display |
| CN102128948A (en) * | 2011-01-29 | 2011-07-20 | 佛山分析仪有限公司 | Engine rotation speed detecting device and method thereof |
| CN103247264A (en) * | 2013-05-24 | 2013-08-14 | 谢定连 | Light shielding system for automobile driven at night |
| CN106476693A (en) * | 2016-12-16 | 2017-03-08 | 长春大学 | Prompt system and vehicle that a kind of manual-gear vehicle auxiliary is driven |
| CN110010146A (en) * | 2019-04-10 | 2019-07-12 | 无锡吉兴汽车声学部件科技有限公司 | A kind of automobile active noise reduction system and method |
| CN110010146B (en) * | 2019-04-10 | 2021-08-03 | 无锡吉兴汽车声学部件科技有限公司 | Automobile active noise reduction system and method |
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| 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: 20070822 |