CN208903519U - DC motor speed regulating microscale experiment equipment - Google Patents
DC motor speed regulating microscale experiment equipment Download PDFInfo
- Publication number
- CN208903519U CN208903519U CN201821160119.5U CN201821160119U CN208903519U CN 208903519 U CN208903519 U CN 208903519U CN 201821160119 U CN201821160119 U CN 201821160119U CN 208903519 U CN208903519 U CN 208903519U
- Authority
- CN
- China
- Prior art keywords
- motor
- hall
- station
- power supply
- speed regulating
- 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
Abstract
DC motor speed regulating microscale experiment equipment provided by the utility model, including station, sequentially row is equipped with the first power supply on station, master switch, PWM governor and motor, station centre is provided with slide rheostat and Hall tachystoscope, first power supply is connected by first line with motor, the second route and tertiary circuit are parallel between first power supply and motor, first switch on slide rheostat and master switch is connected in series on the second route, second switch on PWM governor and master switch is connected in series on tertiary circuit, motor is connected with Hall tachystoscope by the 4th route.The total voltage of the first power supply is divided by PWM governor or slide rheostat, change the revolving speed of motor, then it is tested the speed by the Hall tachymeter connected, and experimental result is shown, each component is integrated into micromodule equipment, convenient for cooperating theory to tell about on classroom, experiment intuitively is provided to student and is shown.
Description
Technical field
The utility model relates to teaching aid technical field, and in particular to be a kind of miniature reality of DC motor speed regulating
Test equipment.
Background technique
DC motor speed regulating has three ways, such as decompression speed, armature serial-resistance speed-regulation and weak-magnetic speed-regulating, the most commonly used is
Pressure and speed regulating system (changes armature voltage).Wherein weak-magnetic speed-regulating is to reduce magnetic flux by reducing Stator energization current, from
And reduce the magnetic field of magnetic pole of the stator generation, therefore this method is only applicable to DC motor with separate excitation.Wherein decompression speed and electricity
Two methods of pivot serial-resistance speed-regulation, mechanical property is as depicted in figs. 1 and 2, and wherein n indicates that revolving speed, T indicate that electromagnetism turns in Fig. 1
Square, three straight lines refer respectively to show the speed conditions in the case of different voltages in figure, and n indicates that revolving speed, T indicate that electromagnetism turns in Fig. 2
Square, three straight lines then refer respectively to show the speed conditions in the case of different resistance in figure.
Wherein DC speed regulator can be used in decompression speed module, and principle is the pulsewidth in " power electronic technique " course
Modulation technique, the full name of pulsewidth modulation are as follows: Pulse Width Modulator, abbreviation PWM, DC motor speed-regulating device are exactly to adjust
The equipment of section dc motor speed is that ac motor can not since dc motor has the characteristics that slow-speed of revolution high-torque
Replace, therefore adjust equipment-DC speed regulator of dc motor speed, due to its property, is commonly used for direct current
In load circuit, lamp light-regulating or DC motor speed regulating, PWM governor exist: industrial direct current motor speed regulation, industry transmission
Band speed regulation, lighting conciliation, computer power supply heat dissipation, direct current electric fan etc. are used widely, but because it is presently mainly to answer
In large scale equipment, in teaching process, it can only be lectured by theoretical knowledge to student, less intuitively, teaching
Effect is less obvious.
It is, therefore, desirable to provide a kind of more applicable DC motor speed regulating microscale experiment equipment, to solve the above problems.
Utility model content
The utility model is to provide a kind of DC motor speed regulating microscale experiment equipment, and each component is integrated into miniature set
It is standby, convenient for cooperating theory to tell about on classroom, experiment intuitively is provided to student and is shown.
To achieve the goals above, the utility model adopts the technical scheme that
DC motor speed regulating microscale experiment equipment provided by the utility model, including station, it is suitable on the station
Secondary row is equipped with the first power supply, master switch, PWM governor and motor, and first power supply and motor, master switch and PWM
Governor is in diagonal line setting respectively, and the station centre is provided with slide rheostat and Hall tachystoscope, institute
State the first power cathode and be connected with the anode of motor by first line, the cathode of first positive pole and motor it
Between be parallel with the second route and tertiary circuit, the first switch on the slide rheostat and master switch is connected in series in described
On the road, the second switch on the PWM governor and master switch is connected in series on the tertiary circuit, the motor for two wires
It is connected with the Hall tachystoscope by the 4th route.
Small wooden wheel load is installed on the output shaft of the motor.
The station is rectangular configuration.
First power supply, master switch, PWM governor and motor are sat respectively set on four angles of the rectangular configuration
On.
The side wall of the station is articulated with connecting support, and the connecting support lower part is equipped with idler wheel.
The Hall tachystoscope includes second source, single-chip microcontroller, digital display screen and Hall tachymeter, the Hall
The first of the output axis connection of the input terminal of tachymeter and the motor, the output end of the Hall tachymeter and single-chip microcontroller is defeated
Enter end connection, the second input terminal of the single-chip microcontroller is connect with the second source, and the output end and number of the single-chip microcontroller are aobvious
The input terminal of display screen connects.
The utility model DC motor speed regulating microscale experiment equipment has the beneficial effect that through the PWM tune on station
Fast device or slide rheostat divide the total voltage of the first power supply, change the revolving speed of motor, then pass through connection
Hall tachymeter tests the speed, and by the second source power supply microcontroller and digital display screen of setting, Hall tachymeter will be counted
It is believed that number passing to single-chip microcontroller, it is then passed to digital display screen, experimental result is shown, each component is integrated into micro-
Type equipment intuitively provides experiment to student and shows convenient for cooperating theory to tell about on classroom.
Detailed description of the invention
Fig. 1 is decompression speed mechanical property schematic illustration；
Fig. 2 is armature serial-resistance speed-regulation mechanical property schematic illustration；
Fig. 3 is the structural schematic diagram of the utility model DC motor speed regulating microscale experiment equipment；
Fig. 4 is the circuit connection diagram of the utility model DC motor speed regulating microscale experiment equipment；
In figure: 1- station, the first power supply of 2-, 3- master switch, 4-PWM governor, 5- motor, 6- slide rheostat,
7- Hall tachystoscope, 8- first line, the second route of 9-, 10- tertiary circuit, the small wooden wheel load of 11-, 12- second source,
13- single-chip microcontroller, 14- digital display screen, 15- Hall tachymeter, the 4th route of 16-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
According to Fig. 3~Fig. 4, the utility model DC motor speed regulating microscale experiment equipment, including station 1, institute
It states sequentially to arrange on station 1 and is equipped with the first power supply 2, master switch 3, PWM governor 4 and motor 5, and 2 He of the first power supply
Motor 5, master switch 3 and PWM governor 4 are arranged in diagonal line respectively, and 1 centre of station is provided with sliding variable resistance
Device 6 and Hall tachystoscope 7, in the present embodiment, first power supply 2 are 12V DC power supply, and first power supply 2 is negative
Pole is connected by first line 8 with the anode of motor 5, is parallel between 2 anode of the first power supply and the cathode of motor 5
Second route 9 and tertiary circuit 10, the first switch on the slide rheostat 6 and master switch 3 are connected in series in described second
On route 9, the second switch on the PWM governor 4 and master switch 3 is connected in series on the tertiary circuit 10, the electricity
Motivation 5 is connected with the Hall tachystoscope 7 by the 4th route 16.
Further, in the present embodiment, it is that small wooden wheel load 11 is installed on the output shaft of the motor 5, keeps away
Exempt from the idle running of motor 2, and the revolving speed speed of the 11 direct reaction motor 2 of revolving speed speed can be loaded by small wooden wheel.
Further, the station 1 can have any shape, such as rectangle, either round or polygon, and in this reality
It applies in example, the station 1 is rectangular configuration, and first power supply 2, master switch 3, PWM governor 4 and motor 5 are sat respectively
On four angles of the rectangular configuration, the slide rheostat 6 and Hall tachystoscope 7 are installed on the rectangular configuration
Center at, furthermore it is also possible to the station 1 side wall be pivotally connected connecting support, the connecting support lower part is equipped with rolling
Wheel is to be rotatablely connected support carrying out experiment, it is made to be parallel to horizontal plane, i.e. the side wall of attaching station 1 is placed, and avoids reality
During testing, idler wheel drives station 1 to move, and influences experimentation, after the completion of experiment, is rotatablely connected support, keeps it vertical
In horizontal plane, i.e. idler wheel is in contact with desktop, convenient for the movement of station 1.
Further, the Hall tachystoscope 7 includes second source 12, single-chip microcontroller 13, digital display screen 14 and suddenly
That tachymeter 15, the output axis connection of the input terminal of the Hall tachymeter 15 and the motor 5, the Hall tachymeter 15
Output end connect with the first input end of single-chip microcontroller 13, the second input terminal of the single-chip microcontroller 13 and the second source 12 connect
Connect, in the present embodiment, the second source 12 be 5V DC power supply, the model 89C51 or 89C52 of the single-chip microcontroller,
For minimum system, meets the needs of integrated micro experimental facilities, the output end of the single-chip microcontroller 13 is defeated with digital display screen 14
Enter end connection, tested the speed by the Hall tachymeter 15 of connection, and by setting 12 power supply microcontroller 13 of second source and
Data-signal is passed to single-chip microcontroller 13 by digital display screen 14, Hall tachymeter 15, digital display screen 14 is then passed to, to reality
Result is tested to be shown.
In actual use, 220V AC power source is exported into 12V DC voltage by rectifying pressurizer, it is practical as this
Then the first novel power supply 2 accesses master switch 3 and PWM governor 4, finally control motor and its revolving speed, survey by Hall
Fast display 7 tests the speed, and shows revolution and voltage on digital display screen 14, and the resistance value by changing slide rheostat 6 goes to control
The size of voltage processed, to further change the revolving speed of motor, when resistance becomes larger, electric current reduces, what motor was assigned to
Voltage reduces, and plays the role of partial pressure so that under different input voltages, its corresponding different output revolving speed, by pair
Than can significantly see the effect of decompression speed.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Pipe is described the invention in detail referring to above-described embodiment, it should be understood by those ordinary skilled in the art that: still may be used
With modifications or equivalent substitutions are made to specific embodiments of the invention, and repaired without departing from any of spirit and scope of the invention
Change or equivalent replacement, should all cover in present claims range.
Claims (6)
1. a kind of DC motor speed regulating microscale experiment equipment, it is characterised in that: including station, sequentially arranged on the station
Equipped with the first power supply, master switch, PWM governor and motor, and first power supply and motor, master switch and PWM adjust the speed
Device is in diagonal line setting respectively, and the station centre is provided with slide rheostat and Hall tachystoscope, and described the
One power cathode is connected by first line with the anode of motor, between first positive pole and the cathode of motor simultaneously
It is associated with the second route and tertiary circuit, the first switch on the slide rheostat and master switch is connected in series in second line
On the road, the second switch on the PWM governor and master switch is connected in series on the tertiary circuit, the motor and institute
Hall tachystoscope is stated to be connected by the 4th route.
2. DC motor speed regulating microscale experiment equipment according to claim 1, it is characterised in that: the motor it is defeated
Small wooden wheel load is installed on shaft.
3. DC motor speed regulating microscale experiment equipment according to claim 1, it is characterised in that: the station is square
Shape structure.
4. DC motor speed regulating microscale experiment equipment according to claim 3, it is characterised in that: first power supply,
Master switch, PWM governor and motor are sat respectively on four angles of the rectangular configuration.
5. DC motor speed regulating microscale experiment equipment according to claim 1, it is characterised in that: the side of the station
Wall is articulated with connecting support, and the connecting support lower part is equipped with idler wheel.
6. DC motor speed regulating microscale experiment equipment according to claim 1, it is characterised in that: the Hall tests the speed aobvious
Show that device includes second source, single-chip microcontroller, digital display screen and Hall tachymeter, the input terminal and the electricity of the Hall tachymeter
The output axis connection of motivation, the output end of the Hall tachymeter and the first input end of single-chip microcontroller connect, the single-chip microcontroller
Second input terminal is connect with the second source, and the output end of the single-chip microcontroller and the input terminal of digital display screen connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160119.5U CN208903519U (en) | 2018-07-18 | 2018-07-18 | DC motor speed regulating microscale experiment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821160119.5U CN208903519U (en) | 2018-07-18 | 2018-07-18 | DC motor speed regulating microscale experiment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903519U true CN208903519U (en) | 2019-05-24 |
Family
ID=66567823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821160119.5U Expired - Fee Related CN208903519U (en) | 2018-07-18 | 2018-07-18 | DC motor speed regulating microscale experiment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903519U (en) |
-
2018
- 2018-07-18 CN CN201821160119.5U patent/CN208903519U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201886676U (en) | Singlechip experimental box | |
| CN208903519U (en) | DC motor speed regulating microscale experiment equipment | |
| CN202871159U (en) | Power system integrated automated test bed | |
| CN203101554U (en) | Adjustable fictitious load device | |
| CN208903517U (en) | Dc motor reversing braking microscale experiment equipment | |
| CN204617470U (en) | The sub-electrical practice training platform of a kind of intelligent embedded type electric | |
| CN2930085Y (en) | Virtual load power source device for electric energy meter | |
| CN103531061A (en) | On-load installation wiring training device | |
| CN209183085U (en) | Magnetic-type Quantitative demonstration apparatus about Ampere force | |
| CN209525820U (en) | A kind of teaching consuming energy machine apparatus for demonstrating | |
| CN202142233U (en) | Solar generating experiment training device | |
| CN203722481U (en) | A capacity-adjustable energy-saving alternating current stabilized-voltage power supply | |
| CN109559587A (en) | A kind of heavy current installation connection status acquisition device and acquisition method | |
| CN204406847U (en) | A kind of three-phase alternating current experiment module | |
| CN212411423U (en) | Portable alternating current motor experimental box | |
| CN103985309A (en) | Practical teaching device for brushless engine | |
| CN203910159U (en) | Teaching practical-training device of brushless engine | |
| CN206991777U (en) | A kind of Intelligent combined meter for agricultural machinery | |
| CN108750111A (en) | Camera power supply system and aerial survey unmanned plane | |
| CN109669099A (en) | A kind of weak current equipment connection status acquisition device and acquisition method | |
| CN203242226U (en) | Multifunctional lithium battery power supply module | |
| CN216902016U (en) | Teaching experiment device controlled by variable frequency speed regulation | |
| CN210223236U (en) | Electric engineering and automatic comprehensive experiment device | |
| CN217739428U (en) | LED lamp impact aging testing device | |
| CN207150361U (en) | Electric machine controller power cell and electric machine controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20200718 |