CN201034612Y - Vehicular mileometers signal generating device - Google Patents
Vehicular mileometers signal generating device Download PDFInfo
- Publication number
- CN201034612Y CN201034612Y CNU2007201472927U CN200720147292U CN201034612Y CN 201034612 Y CN201034612 Y CN 201034612Y CN U2007201472927 U CNU2007201472927 U CN U2007201472927U CN 200720147292 U CN200720147292 U CN 200720147292U CN 201034612 Y CN201034612 Y CN 201034612Y
- Authority
- CN
- China
- Prior art keywords
- signal
- resistance
- signal output
- circuit
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a signal generator of vehicle odometer, including a controlling circuit which includes a filtering and voltage regulation circuit, a signal processing circuit and a signal output circuit. The signal input end of the filtering and voltage regulation circuit is connected with the signal receiving end of the signal processing circuit. The filtering and voltage regulation circuit is connected with the power to perform filtering and voltage regulation to the input power signal thus to input the processed signal into the signal processing circuit; the signal output end of the signal processing circuit is connected with the signal input end of the signal input circuit, the signals are processed by the signal processing circuit to be input into the signal output circuit to be output via the signal output end of the signal output circuit. The utility model can generate speed signal when the vehicle stops, and regulate variable resistor W to make watch hand of the speedometer point at proper speed. The utility model can not only perform detection and maintenance to related electrical apparatus system, but also be used for proofreading of speedometers of the same vehicles, which is simple in structure and convenient in use.
Description
Technical field
The utility model relates to a kind of signal generation apparatus, particularly a kind of automobile-used mileometer signal generator that is used for vehicle detection and maintenance technique field.
Background technology
Development along with the car electrics technology, automobile-used mileometer is from the original simple function that only shows Vehicle Speed and Vehicle-Miles of Travel, be converted into simultaneously and provide required various vehicle speed signal for other electric system on the automobile, for example: the slow system of vehicle, cruise system, ABS/ASR system, ECAS jacking system, engine electric-controlled system, stepless speed variator system, air-conditioning system, warm air system etc.When above electric system need keep in repair as breaking down, if just seem especially loaded down with trivial details by existing traditional method, because the induction of vehicle kilometer sensor is the vehicle movement signal, vehicle is when stopping, because of output shaft of gear-box shuts down, sensor can not produce the mileometer pulse signal, thereby can't provide required vehicle speed signal to above-mentioned each system, each system is in abnormal operating state because of lacking vehicle speed signal, under vehicle stationary state, overhaul above-mentioned electric system and have bigger difficulty, can only estimate maintenance-test run inspection and carry out repeatedly, get rid of until fault.If adopting the method for vehicle ' carries out, even speed is quite low, above-mentioned electric system is comprehensively checked it also is very difficult with car, we are difficult to imagination, outside vehicle at cruising, the maintainer is carrying out the maintenance activity of vehicle, and only from the security standpoint of personnel and vehicle, this also is unallowed; Aspect from saving constantly repeats test run and maintenance process in addition, also can cause human and material resources, time and raw-material repetition and waste.
Summary of the invention
In order to overcome deficiency of the prior art, the utility model provides a kind of automobile-used mileometer signal generator, under the situation that vehicle does not travel, for each system in the vehicle provides vehicle ' required various vehicle speed signal.
The main technical schemes that the utility model adopts is: automobile-used mileometer signal generator, comprise a control circuit, described control circuit comprises filter regulator circuit, signal processing circuit and signal output apparatus, the signal input part of described filter regulator circuit is connected with the signal receiving end of described signal processing circuit, described filter regulator circuit is connected with power supply, described power supply signal to input carries out the filtering voltage regulation processing, and the signal after will handling inputs to described signal processing circuit, the signal output part of described signal processing circuit is connected with the signal input part of described signal output apparatus, described signal processing circuit inputs to described signal output apparatus after handling for described signal, and described signal output apparatus is exported described signal via its signal output part.
The utility model also adopts following attached technical scheme: described filter regulator circuit comprises first diode, first current-limiting resistance, first electrochemical capacitor, the positive pole of described first diode is electrically connected with power supply EC, negative pole and described first current-limiting resistance, one end, the described first current-limiting resistance other end is connected the described first electrochemical capacitor minus earth with described first electrochemical capacitor is anodal;
Described signal processing circuit comprises integrated circuit, second resistance, the 3rd resistance, variable resistor, second electric capacity, described second resistance, one end connects the described first electrochemical capacitor positive pole, and an end of the other end and described the 3rd resistance is attempted by described integrated circuit 7 pin, described the 3rd resistance other end is connected with described variable resistor one end, and the described variable resistor other end is connected with described integrated circuit 6 pin, 2 pin; Described integrated circuit 1 pin ground connection, described second electric capacity, one end connects described integrated circuit 6 pin, 2 pin, other end ground connection, described integrated circuit carries out oscillation treatment to described signal, produces pulse signal;
Described integrated circuit is integrated circuit block NE555;
Described signal output apparatus comprises the 4th resistance, the 5th resistance, triode, first signal output part, secondary signal output terminal, described the 4th resistance one end are connected the back and are connected with described secondary signal output terminal with described transistor collector, described the 5th resistance one end is connected with described first signal output part, the other end is connected with described transistor base, described transistor emitter ground connection;
Described integrated circuit 4 pin, 8 pin are attempted by the other end of described first current-limiting resistance and an end of described second resistance, described integrated circuit 3 pin also connect described the 5th resistance one end and first signal output part, and described the 4th resistance other end also connects an end of described first diode cathode and first current-limiting resistance.
The beneficial effect that adopts the utility model to bring: the utility model control circuit produces the simulation vehicle speed signal and detects whether operate as normal of each system for each system's use with this, whether has fault.Compare with the traditional maintenance method,, need not vehicle and in the actual travel process, detect because the simulation vehicle speed signal is provided, time saving and energy saving, convenient and swift.And it is safer.In addition, the utility model carries easy for installation, and the maintenance personal can detect at any environment, and needn't detect in servicing depot.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the utility model axial arrangement synoptic diagram;
Fig. 3 is the utility model side structure synoptic diagram;
Fig. 4 is the circuit diagram of the utility model control circuit;
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description:
As shown in Figures 1 to 4, the automobile-used mileometer signal generator that the utility model provides, comprise a control circuit, control circuit comprises filter regulator circuit 1, signal processing circuit 2 and signal output apparatus 3, the signal input part of filter regulator circuit 1 is connected with the signal receiving end of signal processing circuit 2, filter regulator circuit 1 is connected with power supply, power supply signal to input carries out the filtering voltage regulation processing, and the signal after will handling inputs to signal processing circuit 2, the signal output part of signal processing circuit 2 is connected with the signal input part of signal output apparatus 3, signal processing circuit inputs to signal output apparatus 3 after handling for signal, and signal output apparatus is exported signal via its signal output part.Filter regulator circuit comprises the first diode D1, the first current-limiting resistance R1, the first electrochemical capacitor C1.Power supply adopts with car kilometer apparent source power supply (8-12V), the positive pole of the first diode D1 is electrically connected with power supply EC, negative pole and the first current-limiting resistance R1, one end, the first current-limiting resistance R1 other end is connected the first electrochemical capacitor C1 minus earth with the first electrochemical capacitor C1 is anodal.The first electrochemical capacitor C1 plays the effect of filtering, voltage stabilizing.Signal processing circuit comprises integrated circuit (IC), second resistance R 2, the 3rd resistance R 3, variable resistor W, second capacitor C, 2, the second resistance R, 2 one ends connect the first electrochemical capacitor C1 positive pole, and an end of the other end and the 3rd resistance R 3 is attempted by integrated circuit (IC) 7 pin, the 3rd resistance R 3 other ends are connected with variable resistor W one end, and the variable resistor W other end is connected with integrated circuit (IC) 6 pin, 2 pin; Integrated circuit (IC) 1 pin ground connection, second capacitor C, 2 one ends connect integrated circuit (IC) 6 pin, 2 pin, other end ground connection, integrated circuit (IC) is carried out oscillation treatment to signal, produces pulse signal.In the utility model, integrated circuit (IC) can be integrated circuit block NE555.
Signal output apparatus comprises the 4th resistance R 4, the 5th resistance R 5, triode V1, the first signal output part OUT1, secondary signal output terminal OUT2, the 4th resistance R 4 one ends are connected the back and are connected with secondary signal output terminal OUT2 with triode V1 collector, the 5th resistance R 5 one ends are connected with the first signal output part OUT1, the other end is connected with triode V1 base stage, triode V1 grounded emitter.The 4th resistance R 4 and the 5th resistance R 5 are the biasing resistor of triode V1.Integrated circuit (IC) 4 pin, 8 pin are attempted by the other end of the first current-limiting resistance R1 and an end of second resistance R 2, integrated circuit (IC) 3 pin also connect the 5th resistance R 5 one ends and the first signal output part OUT1, and the 4th resistance R 4 other ends also connect the first diode D1 negative pole and the end of the first current-limiting resistance R1.
The first signal output part OUT1 and secondary signal output terminal OUT2 can export the opposite pulse signal of positive and negative polarity respectively, to adapt to dissimilar speedometer semaphore requests, integrated circuit (IC) 4 pin, 8 pin are the power supply power supply, 1 pin connects power cathode, second resistance R 2 is the biasing resistor of integrated circuit (IC), the variable resistor W and second capacitor C 2 determine output pulse frequencies, change the size of output pulse signal frequency-corresponding vehicle speed signal by the resistance that changes variable resistor W.
Signal generator unit positive and negative electrode of the present utility model is connected to vehicle mileometer power end (8-12), select the first signal output part OUT1 or secondary signal output terminal OUT2 to be connected to the mileometer signal input part, adjust variable resistor W, make the indication of speedometer indicator in suitable speed, can carry out the detection and the maintenance of its relevant electric system; W fixes with variable resistor, measures, contrasts the indication speed height of each mileometer successively, also can be used for the speedometer proof-reading with batch vehicle.
Claims (6)
1. automobile-used mileometer signal generator, comprise a control circuit, it is characterized in that: described control circuit comprises filter regulator circuit (1), signal processing circuit (2) and signal output apparatus (3), the signal input part of described filter regulator circuit (1) is connected with the signal receiving end of described signal processing circuit (2), described filter regulator circuit (1) is connected with power supply, described power supply signal to input carries out the filtering voltage regulation processing, and the signal after will handling inputs to described signal processing circuit (2), the signal output part of described signal processing circuit (2) is connected with the signal input part of described signal output apparatus (3), described signal processing circuit inputs to described signal output apparatus (3) after handling for described signal, and described signal output apparatus is exported described signal via its signal output part.
2. signal generator according to claim 1, it is characterized in that: described filter regulator circuit comprises first diode (D1), first current-limiting resistance (R1), first electrochemical capacitor (C1), the positive pole of described first diode (D1) is electrically connected with power supply EC, a negative pole and described first current-limiting resistance (R1) end, described first current-limiting resistance (R1) other end is connected described first electrochemical capacitor (C1) minus earth with described first electrochemical capacitor (C1) is anodal.
3. signal generator according to claim 2, it is characterized in that: described signal processing circuit comprises integrated circuit (IC), second resistance (R2), the 3rd resistance (R3), variable resistor (W), second electric capacity (C2), described second resistance (R2) end connects described first electrochemical capacitor (C1) positive pole, one end of the other end and described the 3rd resistance (R3) is attempted by described integrated circuit (IC) 7 pin, described the 3rd resistance (R3) other end is connected with described variable resistor (W) end, described variable resistor (W) other end and described integrated circuit (IC) 6 pin, 2 pin are connected; Described integrated circuit (IC) 1 pin ground connection, described second electric capacity (C2) end connects described integrated circuit (IC) 6 pin, 2 pin, other end ground connection, described integrated circuit (IC) carries out oscillation treatment to described signal, produces pulse signal.
4. signal generator according to claim 3 is characterized in that: described integrated circuit (IC) is integrated circuit block NE555.
5. signal generator according to claim 3, it is characterized in that: described signal output apparatus comprises the 4th resistance (R4), the 5th resistance (R5), triode (V1), first signal output part (OUT1), secondary signal output terminal (OUT2), described the 4th resistance (R4) end is connected the back and is connected with described secondary signal output terminal (OUT2) with described triode (V1) collector, described the 5th resistance (R5) end is connected with described first signal output part (OUT1), the other end is connected with described triode (V1) base stage, described triode (V1) grounded emitter.
6. signal generator according to claim 5, it is characterized in that: described integrated circuit (IC) 4 pin, 8 pin are attempted by the other end of described first current-limiting resistance (R1) and an end of described second resistance (R2), described integrated circuit (IC) 3 pin also connect described the 5th resistance (R5) end and first signal output part (OUT1), and described the 4th resistance (R4) other end also connects an end of described first diode (D1) negative pole and first current-limiting resistance (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201472927U CN201034612Y (en) | 2007-05-30 | 2007-05-30 | Vehicular mileometers signal generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201472927U CN201034612Y (en) | 2007-05-30 | 2007-05-30 | Vehicular mileometers signal generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034612Y true CN201034612Y (en) | 2008-03-12 |
Family
ID=39195502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201472927U Expired - Fee Related CN201034612Y (en) | 2007-05-30 | 2007-05-30 | Vehicular mileometers signal generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034612Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662093A (en) * | 2012-06-03 | 2012-09-12 | 黄宇嵩 | Three-type waveform signal generator |
| CN102735258A (en) * | 2012-06-15 | 2012-10-17 | 宁波吉江汽车制造有限责任公司 | Automobile instrument detection device |
| CN103234559A (en) * | 2013-05-14 | 2013-08-07 | 贵州省机械电子产品质量监督检验院 | High-precision simulation mileage signal generator |
| CN106413193A (en) * | 2016-11-03 | 2017-02-15 | 中山市荣亮照明有限公司 | LED mirror front lamp with circuit protection function |
-
2007
- 2007-05-30 CN CNU2007201472927U patent/CN201034612Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662093A (en) * | 2012-06-03 | 2012-09-12 | 黄宇嵩 | Three-type waveform signal generator |
| CN102735258A (en) * | 2012-06-15 | 2012-10-17 | 宁波吉江汽车制造有限责任公司 | Automobile instrument detection device |
| CN103234559A (en) * | 2013-05-14 | 2013-08-07 | 贵州省机械电子产品质量监督检验院 | High-precision simulation mileage signal generator |
| CN103234559B (en) * | 2013-05-14 | 2015-08-05 | 贵州省机械电子产品质量监督检验院 | High-precision simulation mileage signal generator |
| CN106413193A (en) * | 2016-11-03 | 2017-02-15 | 中山市荣亮照明有限公司 | LED mirror front lamp with circuit protection function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102687026B (en) | Insulation resistance detection device for vehicle | |
| CN102692289B (en) | Test method for measuring efficiency of electric driving system of novel-energy automobile | |
| CN201034612Y (en) | Vehicular mileometers signal generating device | |
| CN109895769A (en) | Hybrid vehicle and constant-speed-cruise control method and control system | |
| CN203719917U (en) | Extended-range hybrid power test system | |
| CN203472674U (en) | Vehicle maintenance prompting device | |
| US10054643B2 (en) | Method and apparatus for isolating root cause of low state of charge of a DC power source | |
| CN106526323B (en) | A kind of insulation resistance detection method based on the automatic compensation policy of square wave | |
| CN109635369B (en) | Simulation method and device of magnetic levitation power transmission and distribution system | |
| CN203651668U (en) | Power supply device of electric car | |
| CN107528362A (en) | A kind of charging pile Initiative Defence System | |
| CN110727259A (en) | Automatic test system of motor controller | |
| US11275107B2 (en) | Method and apparatus for monitoring isolation of an electric power bus | |
| DE102013200034A1 (en) | CONTROL DEVICE FOR AN ELECTRIC VEHICLE | |
| CN205827233U (en) | A kind of vehicle control unit of electric vehicle failure diagnosis platform | |
| CN102081146A (en) | High-voltage battery voltage detection device | |
| CN203237137U (en) | Device used for reminding economic gear-shifting operation in stick-shift car and stick-shift car | |
| CN203651486U (en) | Vehicle instrument device | |
| CN204422210U (en) | A kind of ECVT wheel box hybrid power test macro | |
| CN211809332U (en) | Energy flow graph display system of hydrogen energy automobile | |
| CN203142408U (en) | Vehicle automatic speed regulating device and system | |
| CN102486898B (en) | Automobile digital instrument teaching demonstration information processing method and device | |
| CN103229389B (en) | For the Method and circuits device charged to intermediate circuit | |
| CN219369145U (en) | Vehicle speed signal simulation detector and vehicle | |
| CN109849912A (en) | A kind of driving control system and method for vehicle |
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: 20080312 Termination date: 20100530 |