CN208189076U - A kind of automobile Hall sensor experiment device - Google Patents
A kind of automobile Hall sensor experiment device Download PDFInfo
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- CN208189076U CN208189076U CN201820063118.2U CN201820063118U CN208189076U CN 208189076 U CN208189076 U CN 208189076U CN 201820063118 U CN201820063118 U CN 201820063118U CN 208189076 U CN208189076 U CN 208189076U
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- hall sensor
- direct current
- current generator
- automobile
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Abstract
The utility model relates to automotive electronic technology technical field of experiment equipment, a kind of automobile Hall sensor experiment device is disclosed, including metal gear, direct current generator, automobile Hall sensor, motor control operation panel 4, power switch, motor speed display, main control module, direct current generator cable interface, Hall sensor cable interface, Hall sensor measure interface.Direct current generator and metal gear, metal gear and direct current generator synchronous rotary are provided on experimental provision, by adjust direct current generator revolving speed come simulated automotive wheel the revolving speed under different operating conditions, have very high teaching application value.Experimental provision is separately provided with signal measurement point, it does not need that sensor is pulled up to just the measurement that can be carried out voltage and waveform during the experiment, to effectively reduce the phenomenon that causing sensor connector poor contact because of plug repeatedly, have the advantages that long service life, while having the advantages that environmental protection and saving fossil resources.
Description
Technical field
The utility model relates to automotive electronic technology technical field of experiment equipment, and in particular, to a kind of automobile Hall biography
Sensor experimental provision.
Background technique
Currently, in the automotive-type relevant speciality of each universities and colleges, when carrying out automobile Hall sensor experiment, by hall sensing
Device is close or far from magnetic field, then passes through the output voltage of multimeter measurement sensor, further according to pair of magnetic field strength and voltage
It should be related to and draw out corresponding curve, the characteristic of Hall sensor is studied with this.Another teaching method is in real vehicle to suddenly
You measure the output voltage of sensor.Both teaching equipments are primarily present following defect:
(1) when carrying out sensor characteristics experiment using automobile Hall sensor material object, since Hall sensor is measurement magnetic
The sensor of field intensity is to carry out in existing teaching by way of by the close or separate sensor of permanent magnet,
Although this mode can change the experimental situation of sensing, necessary movable sensor or magnet when operating in this way can be certain
Experimental result is influenced in degree, therefore, this experimental facilities is not well positioned to meet practical teaching demand.
(2) when carrying out the experiment of automobile Hall sensor using real vehicle, harness and wiring harness connector on automobile are all waterproofs
Encapsulation process, the output voltage of measurement sensor need to extract sensor wiring harness connector or carry out broken skin to harness, could survey
The voltage of sensor is measured, and present automobile all has self-diagnosable system, self-diagnosable system can be allowed to detect after extracting sensor
To open sensor failure, error code can be generated, security risk can also be generated by carrying out broken skin processing to harness.And sensor exists
The phenomenon that will appear poor contact after plug repeatedly, even damaging, and the higher cost of more emat sensor, this undoubtedly will increase
Teaching operation cost is also a kind of wasting of resources.
(3) when real vehicle carries out related experiment, analogue hall sensor working environment is needed, it is necessary to change its measurement pair
The magnetic field strength of elephant, the general Ying Yu of Hall sensor measure occasion in the wheel speed measurement uniform velocity of automobile, and therefore, when experiment just needs
Start automobile by its vehicle wheel rotation, also brings some potential safety problems to teaching in this way, meanwhile, when car engine, arranges
Exhaust gas out also can cause centainly to pollute to the environment of surrounding.
Utility model content
The utility model in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of energy simulated automotive Hall
Working sensor environment, easy to operate and at low cost, automobile Hall sensor experiment device with long service life.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of automobile Hall sensor experiment device is provided, including metal gear, direct current generator, automobile Hall sensor,
Motor control operation panel, power switch, motor speed display, main control module, Hall sensor measure interface；
The metal gear, direct current generator, automobile Hall sensor, motor control operation panel, power switch, motor turn
Fast display, Hall sensor measurement interface are mounted on the surface of experimental provision；The main control module setting is filled in experiment
The inside set；
The output end rigid connection metal gear of the direct current generator；The outer circle gap of the metal gear is equipped with automobile
Hall sensor；The direct current generator, automobile Hall sensor, motor control operation panel, the electricity for controlling experimental provision electric energy
Source switch, motor speed display, Hall sensor measurement interface are connected with main control module；
Control instruction is converted into electric signal and is sent to main control module (7) by the motor control operation panel (4)；Direct current
Motor drives metal gear synchronous rotary under the control of main control module；
The metal gear is provided with the tooth of fixed quantity, and the magnetic flux for providing variation when rotated for Hall sensor returns
Road makes automobile Hall sensor export the AC signal of different voltages value to main control module, and main control module is to receiving
After voltage signal conditioning, it is converted into the digital pulse signal that low and high level alternately changes, the umber of pulse obtained according to the unit time
Amount can calculate the revolving speed of motor；
The motor speed display shows the real-time revolving speed of motor under the control of main control module；
The Hall sensor measurement interface draws the voltage signal of sensor, so that experiment measurement is used.
In use, operation panel is controlled by operation motor, issues motor control order to main control module, it is main
Control module driving direct current generator makees speed-changing rotation, and rotates with moving gear, and the gear of rotation can allow automobile Hall sensor defeated
Periodical induced electromotive force out, after main control module receives the electromotive force, improves the signal accordingly, is converted into week
The pulse signal of phase property is calculated the revolving speed of direct current generator with this, and speed is intuitively shown on motor speed display.
In addition, being additionally provided with sensor voltage and waveform measurement point on experimental provision, the survey of circuit parameter can be very easily carried out
Amount.
Further, the Hall sensor measurement interface of the utility model includes measuring after measurement interface, conditioning before improving
Interface；Interface is measured before the conditioning, and the AC signal that sensor directly exports is provided；Interface is measured after the conditioning, and warp is provided
Digital pulse signal after conditioning.
In above scheme, described further includes direct current generator cable interface and Hall sensor cable interface；The direct current
Machine is connected by direct current generator cable interface with main control module；The automobile Hall sensor is connect by Hall sensor cable
Mouth is connected with main control module.
In above scheme, the motor speed display uses 12864 character liquid crystal displays.
Compared with prior art, the beneficial effect of technical solutions of the utility model is:
(1) direct current generator and metal gear, DC motor drives are provided on automobile Hall sensor experiment device
Rotation, metal gear and automobile Hall sensor gap are installed, and when gear rotation, sensor will export the electromotive force of variation,
It is transformed into digital pulse signal through main control module, when changing the revolving speed of direct current generator, the frequency of pulse signal can also change,
It, can be very easily to automobile on experimental provision to which module goes out the revolving speed of automotive wheel or engine under different operating conditions
The output signal of Hall sensor measures, and has very high teaching application value.
(2) the production selection of automobile Hall sensor experiment device is general, at low cost, small in size, and an experimental provision can
Practice operation is carried out for more than two students simultaneously, it is only necessary to the class teaching of all scales is almost just able to satisfy less than 20,
Have the advantages that it is cheap, using simple, convenient for management.
(3) automobile Hall sensor experiment device is separately provided with signal measurement point, does not need to pass during the experiment
Sensor pulls up the measurement that just can be carried out voltage and waveform, causes sensor connector to connect because of plug repeatedly to effectively reduce
Bad phenomenon is touched, has the advantages that long service life.
(4) experimental provision only needs conventional power frequency AC and an experimental bench just to can be carried out practice behaviour when in use
Make, additional exhaust gas discharge will not be generated in operational process, will not additional fuel consumption, there is environmental protection and save fossil resources
The advantages of.
Detailed description of the invention
The structural schematic diagram of Fig. 1 the utility model；
The circuit connection diagram of Fig. 2 the utility model.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product
Size；To those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, be also possible to be indirectly connected with by intermediary, it can be with
Say the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
The concrete meaning of the utility model.
The technical solution of the utility model is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, being a kind of experimental box body structural schematic diagram of automobile Hall sensor experiment device of the utility model.
Metal gear 1, direct current generator 2, automobile Hall sensor 3, motor control operation face are provided on the experimental box body of experimental provision
Plate 4, power switch 5, motor speed display 6, main control module 7, direct current generator cable interface 8, Hall sensor cable connect
Mouth 9, Hall sensor measure interface 10.The inside of experimental provision is arranged in main control module 7.Metal gear 1 and direct current generator 2
Shaft gun iron link, when direct current generator 2 rotate when drive 1 synchronous rotary of metal gear；Automobile Hall sensor 3 and metal-toothed
The outer circle gap installation of wheel 1.Control instruction is converted into electric signal and is sent to main control module by motor control operation panel 4, directly
Galvanic electricity machine 2 drives metal gear 1 to make speed-changing rotation under the control of main control module 7.Motor speed display 6 is in master control molding
The real-time revolving speed of motor is shown under the control of block 7.Hall sensor measures interface 10 and draws the voltage signal of sensor, with
It is measured for experiment.It includes measuring interface 11 after measurement interface 12, conditioning before improving that Hall sensor, which measures interface 10,；The tune
Measurement interface 12 provides the AC signal that sensor directly exports before reason；After measurement interface 11 provides after conditioning after the conditioning
Digital pulse signal.
As shown in Fig. 2, being a kind of circuit connection diagram of automobile Hall sensor experiment device of the utility model.Direct current generator
2 are connected with the output port of direct current generator cable interface 8, input terminal and 7 phase of main control module of direct current generator cable interface 8
Even, automobile Hall sensor 3 is connected with the input terminal of Hall sensor cable interface 9, the output of Hall sensor cable interface 9
End is connected with main control module 7, and motor control operation panel 4, power switch 5, motor speed display 6, Hall sensor are surveyed
Amount interface 10 is connected with main control module 7.In the present embodiment, motor speed display uses 12864 character liquid crystal displays.
Automobile Hall sensor 3 is closely installed with metal gear 1, when direct current generator 2 drives metal gear 1 to rotate, gold
The category tooth outstanding of gear 1 and the slot of recess can change the magnetic conductive loop of automobile Hall sensor 3, make in automobile Hall sensor 3
Magnetic flux change, to make to produce different induced electromotive forces in 3 induction coil of automobile Hall sensor；Electromotive force
It is improved after being received by main control module 7 by corresponding signal, is converted into corresponding high level and low level signal, form one
Pulse signal；When metal gear 1 makees Periodic Rotating within the unit time, main controller module 7 can receive and metal
The identical pulse number of 1 number of teeth of gear, therefore, main control module 7 can calculate the revolving speed of the period internal gear, also energy
Measure the revolving speed of direct current generator.Meanwhile the revolving speed of direct current generator 2 is adjusted in main control module 7 under the operation of people, it is main
After control module 7 measures the revolving speed of direct current generator 2 by automobile Hall sensor 3, pass through the display of motor speed display 6
Out.By the rotation of the rotary simulation automotive wheel of direct current generator 2, there are measurement interface on experimental provision, can be convenient
The voltage and waveform of automobile Hall sensor 3 are measured, so that the correlation for being conveniently accomplished automobile Hall sensor 3 is real
It tests.
It is the automobile Hall sensor experiment device energy simulated automotive Hall sensor working environment of the present embodiment, easy to operate
And at low cost, long service life.
Positional relationship is described in attached drawing only for illustration, should not be understood as the limitation to this patent.Obviously, originally
Above-described embodiment of utility model is merely examples for clearly illustrating the present invention, and is not practical new to this
The restriction of the embodiment of type.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.It is all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model right within novel spirit and principle
It is required that protection scope within.
Claims (4)
1. a kind of automobile Hall sensor experiment device, which is characterized in that the metal gear including being set to experimental provision surface
(1), direct current generator (2), automobile Hall sensor (3), motor control operation panel (4), the power supply for controlling experimental provision electric energy
(5), motor speed display (6), Hall sensor measurement interface (10) are switched, and is set to the master control inside experimental provision
Molding block (7)；
The output end of the direct current generator (2) is rigidly connected metal gear (1)；It installs in the outer circle gap of the metal gear (1)
There are automobile Hall sensor (3)；The direct current generator (2), automobile Hall sensor (3), motor control operation panel (4), control
The power switch (5) of experimental provision electric energy processed, motor speed display (6), Hall sensor measurement interface (10) are and master control
Molding block (7) is connected；
Control instruction is converted into electric signal and is sent to main control module (7) by the motor control operation panel (4)；Direct current generator
(2) metal gear (1) synchronous rotary is driven under the control of main control module (7)；The metal gear (1) is provided with fixed number
The tooth of amount provides the flux circuit of variation when rotated for automobile Hall sensor (3), exports automobile Hall sensor (3)
The AC signal of different voltages value is given main control module (7), after main control module (7) is to the voltage signal conditioning received, turns
Change the digital pulse signal that low and high level alternately changes into, the number of pulses obtained according to the unit time can calculate motor
Revolving speed；
The motor speed display (6) shows the real-time revolving speed of motor under the control of main control module (7)；
Hall sensor measurement interface (10) draws the voltage signal of sensor, so that experiment measurement is used.
2. automobile Hall sensor experiment device according to claim 1, which is characterized in that the Hall sensor measurement
Interface (10) includes measuring interface (11) after measuring interface (12), conditioning before improving；Interface (12) are measured before the conditioning to provide
The AC signal that sensor directly exports；The digital pulse signal after interface (11) provide after conditioning is measured after the conditioning.
3. automobile Hall sensor experiment device according to claim 1 or 2, which is characterized in that further include direct current generator
Cable interface (8) and Hall sensor cable interface (9)；The direct current generator (2) passes through direct current generator cable interface (8) and main
Control module (7) is connected；The automobile Hall sensor (3) passes through Hall sensor cable interface (9) and main control module (7)
It is connected.
4. automobile Hall sensor experiment device according to claim 3, which is characterized in that the motor speed display
(6) 12864 character liquid crystal displays are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063118.2U CN208189076U (en) | 2018-01-09 | 2018-01-09 | A kind of automobile Hall sensor experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063118.2U CN208189076U (en) | 2018-01-09 | 2018-01-09 | A kind of automobile Hall sensor experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208189076U true CN208189076U (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820063118.2U Expired - Fee Related CN208189076U (en) | 2018-01-09 | 2018-01-09 | A kind of automobile Hall sensor experiment device |
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| Country | Link |
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| CN (1) | CN208189076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252931A (en) * | 2021-04-26 | 2021-08-13 | 奇瑞汽车股份有限公司 | Signal detection device of Hall revolution speed sensor |
-
2018
- 2018-01-09 CN CN201820063118.2U patent/CN208189076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252931A (en) * | 2021-04-26 | 2021-08-13 | 奇瑞汽车股份有限公司 | Signal detection device of Hall revolution speed sensor |
| CN113252931B (en) * | 2021-04-26 | 2022-05-03 | 奇瑞汽车股份有限公司 | Signal detection device of Hall revolution speed sensor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20200109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |