CN206894551U - A kind of treadmill speed control - Google Patents
A kind of treadmill speed control Download PDFInfo
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- CN206894551U CN206894551U CN201720800118.1U CN201720800118U CN206894551U CN 206894551 U CN206894551 U CN 206894551U CN 201720800118 U CN201720800118 U CN 201720800118U CN 206894551 U CN206894551 U CN 206894551U
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- electric capacity
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- controllable silicon
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Abstract
The utility model discloses a kind of treadmill speed control, including the first power supply, second source, first resistor is to the 6th resistance, first electric capacity to the 5th electric capacity, first diode to the 3rd diode, first controllable silicon, second controllable silicon, potentiometer, when base chip, triode and motor, compared with prior art, the utility model by when the adjustable square-wave generator of dutycycle that forms of base chip, phase inverter and the first controllable silicon, the main circuit composition of second controllable silicon and motor composition, the average value of motor electric current is changed using the dutycycle of regulation square wave and reaches the purpose of motor speed adjusting, it controls high sensitivity, its stability is good, with the value promoted the use of.
Description
Technical field
It the utility model is related to a kind of treadmill electron controls technology, more particularly to a kind of treadmill speed control.
Background technology
Treadmill is the standing body-building apparatus of family and gymnasium, and is simplest one in current family fitness equipment
Kind, it is the optimal selection of Domestic health care exercising apparatus.In the prior art, it is various for the speed control species of treadmill, function
Respectively there is quality, in order to improve the stability of motor and control sensitivity, it is necessary to constantly improve and innovate.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of treadmill speed control.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model includes the first power supply, second source, first resistor to the 6th resistance, the first electric capacity to the 5th electricity
Appearance, the first diode to the 3rd diode, the first controllable silicon, the second controllable silicon, potentiometer, when base chip, triode and driving
Motor, the positive pole of the first power supply simultaneously the first end with first resistor, when base chip the 4th pin, when base chip the 8th draw
The first end of pin and the 5th resistance connects, the positive pole of the second source negative pole with the 3rd diode, the first of motor simultaneously
End connects with the first end of the 6th resistance, the negative pole of the first power supply and second source while the first end with the first electric capacity, Shi Ji
First pin of chip, the first end of the second electric capacity, the emitter stage of triode, the negative pole of the first controllable silicon and the second controllable silicon
Negative pole connects, the second end of first resistor simultaneously with the positive pole of the first diode, the negative pole of the second diode and Shi Ji chips
7th pin connects, and the negative pole of the first diode connects with the first end of 3rd resistor, the second end of 3rd resistor and potentiometer
First end connection, the first end of the positive pole of the second diode and second resistance connects, the second end of second resistance and potentiometer
The connection of the second end, the sliding end of potentiometer simultaneously with when the 2nd the 6th pin of base chip and the second end of the first electric capacity connect
Connect, when base chip the 5th pin be connected with the second end of the second electric capacity, when base chip the 3rd pin simultaneously with the 4th resistance
First end connected with the first end of the 3rd electric capacity, the base stage of the second end of the 4th resistance and triode connects, the collection of triode
Electrode is connected with the second end of the 5th resistance and the first end of the 4th electric capacity simultaneously, the second end and the first controllable silicon of the 3rd electric capacity
Control terminal connection, the second end of the 4th electric capacity is connected with the control terminal of the second controllable silicon, the positive pole of the first controllable silicon and meanwhile with
The first end of 5th electric capacity, the second end of motor connect with the positive pole of the 3rd diode, and the positive pole of the second controllable silicon is simultaneously
It is connected with the second end of the 5th electric capacity and the second end of the 6th resistance.
The beneficial effects of the utility model are：
The utility model is a kind of treadmill speed control, compared with prior art, the utility model by when base chip
The master that the adjustable square-wave generator of dutycycle, phase inverter and the first controllable silicon, the second controllable silicon and the motor of composition form
Circuit forms, and changes the average value of motor electric current using the dutycycle of regulation square wave and reaches the purpose of motor speed adjusting,
It controls high sensitivity, and its stability is good, has the value promoted the use of.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model includes the first power supply+12V, second source+11V, the electricity of first resistor R1 to the 6th
Hindering R6, the first electric capacity C1 to the 5th electric capacity C5, the first diode D1 to the 3rd diode D3, the first controllable silicon SCR 1, second can
Control silicon SCR2, potentiometer RP, when base chip IC, triode VT and motor M, the positive pole of the first power supply is simultaneously and first resistor
R1 first end, when base chip IC the 4th pin, when base chip IC the 8th pin and the 5th resistance R5 first end connection,
The positive pole of second source while the first end with the 3rd diode D3 negative pole, motor M first end and the 6th resistance R6
Connection, the negative pole of the first power supply and second source simultaneously the first end with the first electric capacity C1, when base chip IC the first pin, the
Two electric capacity C2 first end, triode VT emitter stage, the negative pole of the negative pole of the first controllable silicon SCR 1 and the second controllable silicon SCR 2
Connection, first resistor R1 the second end while positive pole, the second diode D2 negative pole and Shi Ji chips with the first diode D1
IC the 7th pin connection, the first diode D1 negative pole connect with 3rd resistor R3 first end, and the second of 3rd resistor R3
End is connected with potentiometer RP first end, and the second diode D2 positive pole is connected with second resistance R2 first end, second resistance
R2 the second end is connected with potentiometer RP the second end, potentiometer RP sliding end simultaneously with when base chip IC the 2nd the 6th draw
Pin and the first electric capacity C1 the second end connect, when base chip IC the 5th pin be connected with the second electric capacity C2 the second end, Shi Ji
3rd pin of chip IC is connected with the 4th resistance R4 first end and the 3rd electric capacity C3 first end simultaneously, the 4th resistance R4's
Second end is connected with triode VT base stage, triode VT colelctor electrode while the second end with the 5th resistance R5 and the 4th electric capacity
C4 first end connection, the 3rd electric capacity C3 the second end is connected with the control terminal of the first controllable silicon SCR 1, and the of the 4th electric capacity C4
Two ends are connected with the control terminal of the second controllable silicon SCR 2, the positive pole of the first controllable silicon SCR 1 while first with the 5th electric capacity C5
End, motor M the second end connect with the 3rd diode D3 positive pole, and the positive pole of the second controllable silicon SCR 2 is simultaneously electric with the 5th
The second end for holding C5 connects with the 6th resistance R6 the second end.
Operation principle of the present utility model is as follows：
By when the base chip IC adjustable square-wave generator of dutycycle that forms (regulation potentiometer RP can change the duty of square wave
Than), the composition such as phase inverter (triode VT) and main circuit (the first controllable silicon SCR 1, the second controllable silicon SCR 2 and motor M).
At that time during the 3rd pin output high level of base chip IC, motor M has electric current；When base chip IC the 3rd pin be low electricity
Usually, motor M no currents, what is passed through in motor M is unidirectional pulse electric current.Adjust the dutycycle of square wave, so that it may change
Become the average value of motor M electric currents, so as to reach the purpose of motor speed adjusting.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
- A kind of 1. treadmill speed control, it is characterised in that：Including the first power supply, second source, first resistor to the 6th electricity Resistance, the first electric capacity to the 5th electric capacity, the first diode to the 3rd diode, the first controllable silicon, the second controllable silicon, potentiometer, when Base chip, triode and motor, the positive pole of the first power supply simultaneously the first end with first resistor, when base chip the 4th draw Pin, when base chip the 8th pin and the 5th resistance first end connection, the positive pole of second source simultaneously with the 3rd diode Negative pole, the first end of motor connect with the first end of the 6th resistance, and the negative pole of the first power supply and second source is simultaneously with the The first end of one electric capacity, when the first pin of base chip, the first end of the second electric capacity, the emitter stage of triode, the first controllable silicon Negative pole and the second controllable silicon negative pole connection, the second end of the first resistor positive pole with the first diode, the two or two pole simultaneously The negative pole of pipe connects with the 7th pin of Shi Ji chips, and the negative pole of the first diode connects with the first end of 3rd resistor, and the 3rd Second end of resistance and the first end of potentiometer connect, and the positive pole of the second diode and the first end of second resistance connect, and second Second end of resistance and the second end of potentiometer connect, the sliding end of potentiometer simultaneously with when base chip the 2nd the 6th pin and First electric capacity the second end connection, when base chip the 5th pin be connected with the second end of the second electric capacity, when base chip the 3rd Pin is connected with the first end of the 4th resistance and the first end of the 3rd electric capacity simultaneously, the second end of the 4th resistance and the base of triode Pole is connected, and the colelctor electrode of triode is connected with the second end of the 5th resistance and the first end of the 4th electric capacity simultaneously, the 3rd electric capacity Second end is connected with the control terminal of the first controllable silicon, and the second end of the 4th electric capacity is connected with the control terminal of the second controllable silicon, and first The positive pole of controllable silicon is connected with the positive pole of the first end of the 5th electric capacity, the second end of motor and the 3rd diode simultaneously, the The positive pole of two controllable silicons is connected with the second end of the 5th electric capacity and the second end of the 6th resistance simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800118.1U CN206894551U (en) | 2017-07-04 | 2017-07-04 | A kind of treadmill speed control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720800118.1U CN206894551U (en) | 2017-07-04 | 2017-07-04 | A kind of treadmill speed control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894551U true CN206894551U (en) | 2018-01-16 |
Family
ID=61299241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720800118.1U Active CN206894551U (en) | 2017-07-04 | 2017-07-04 | A kind of treadmill speed control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894551U (en) |
-
2017
- 2017-07-04 CN CN201720800118.1U patent/CN206894551U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 402247 Room 2102, 419 Jinbitian Building, Hengda, Shuangfu New District, Jiangjin District, Chongqing Patentee after: Chongqing traffic Professional School Address before: 402247 Room 2102, 419 Jinbitian Building, Hengda, Shuangfu New District, Jiangjin District, Dazu District, Chongqing Patentee before: Chongqing traffic Professional School |