CN100484595C - Speed self-controlled electric running machine - Google Patents
Speed self-controlled electric running machine Download PDFInfo
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- CN100484595C CN100484595C CNB2005100448023A CN200510044802A CN100484595C CN 100484595 C CN100484595 C CN 100484595C CN B2005100448023 A CNB2005100448023 A CN B2005100448023A CN 200510044802 A CN200510044802 A CN 200510044802A CN 100484595 C CN100484595 C CN 100484595C
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Abstract
The present invention relates to a speed automatically-controlled electric treadmill, belonging to a fitness equipment. Said speed automatically-controlled electric treadmill includes handle and control panel, on the handle a sensor is set. It is characterized by that between the sensor and control panel a signal processing unit and an electronic switch analog key output unit are connected, the sensor is connected with signal processing unit, said signal processing unit is connected with the electronic switch analog key output unit, and the electronic switch analog key output unit is connected with said control panel. Besides, said invention also provides its concrete operation and application method.
Description
Technical field
The invention belongs to a kind of health and fitness facilities, be specifically related to a kind of treadmill of holding heart rate sensor of tape speed automatic control.
Background technology
Traditional treadmill needs special speed plus-minus button to carry out speed control, gives fast striding or brings inconvenience because of the dysphotia sporter regulates the speed.
Summary of the invention
Technical problem to be solved by this invention is in order to overcome above-mentioned defective, provide a kind of utilize that treadmill disposes hold the heart rate detection inductor carry out feel should speed self-controlled treadmill.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: speed self-controlled electric running machine, comprise and shaking hands and control panel, shake hands and be provided with sensor, be connected with signal processing unit and electronic switch analogue-key output unit between its sensor and the control panel, sensor is connected with signal processing unit, and signal processing unit is connected with electronic switch analogue-key output unit, and electronic switch analogue-key output unit is connected with control panel.
Described speed self-controlled electric running machine, its signal processing unit comprises Signal Pretreatment unit and signal logic processing unit, sensor is connected with the Signal Pretreatment unit, the Signal Pretreatment unit is connected with the signal logic processing unit, and the signal logic processing unit is connected with electronic switch analogue-key output unit.
Described speed self-controlled electric running machine, its Signal Pretreatment unit is a voltage comparator, the in-phase input end of voltage comparator is connected with a sensor respectively.
Described speed self-controlled electric running machine, its signal logic processing unit is Schmidt's input nand gate circuit, the output of voltage comparator is connected with the input of Schmidt's input nand gate circuit, and the output of Schmidt's input nand gate circuit is connected with the base stage of triode by resistance.
Described speed self-controlled electric running machine, its electronic switch analogue-key output unit is a bidirectional electronic switch, and the colelctor electrode of triode is connected with the control end of bidirectional electronic switch, and the analog contacts of bidirectional electronic switch links to each other with control panel.
3 pin of voltage comparator connect the left hand sensor, 5 pin are connected with right hand sensor, 1 pin of Schmidt's input nand gate, 2 pin are connected with 1 pin of voltage comparator, 8 pin of Schmidt's input nand gate, 9 pin are connected with 7 pin of voltage comparator, 4 pin are connected by the base stage of resistance with first triode, 11 pin are connected by the base stage of resistance with second triode, all the other each pin form the interlocking network, the colelctor electrode of first triode is connected with 13 pin of bidirectional electronic switch, the colelctor electrode of second triode is connected with 5 pin of bidirectional electronic switch, 1 pin of bidirectional electronic switch connects the speed reducing switch signal, and 4 pin connect the acceleration switch signal.
Operation principle: when the staff touch inductor, produce induced signal, handle through the voltage comparator circuit signal, send into Schmidt's input nand gate logic and judge the loop, produce electronic switch signal then through the bidirectional electronic switch loop and realize being equal to the function that staff is directly pushed acceleration (deceleration) button.Touch single inductor, be equal to staff and directly push the function of acceleration (deceleration) button, both hands touch two inductors simultaneously, nothing is equal to the function that staff is directly pushed acceleration (deceleration) button, cooperates other functional circuits to realize that both hands touch the function of two inductor human body hearts rate simultaneously.
The beneficial effect that the present invention is compared with prior art had is: owing among the present invention, touch the function that single inductor can realize quickening (deceleration) with staff, regulate the speed for fast striding or dysphotia sporter and bring great convenience; This circuit loop power supply adopts the low-voltage direct 5V voltage with mains isolation, and does not have direct electrical connection with other loops that are higher than low-voltage direct 5V voltage, and is safe and reliable.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the configuration schematic diagram of the embodiment of the invention;
Fig. 3 is the physical circuit figure of the embodiment of the invention.
The specific embodiment
1 control panel, 2 left hand sensors 3 quicken button 4 retard buttons 5 right hand sensor U1 Schmidt input nand gate U2 bidirectional electronic switch U3 voltage comparator U4 speed reducing switch signal U5 acceleration switch signal U6 retard button U7 and quicken button U8 left hand signal U9 right hand signal R1～R8 resistance Q1, Q2 triode.
3 pin of voltage comparator U3 connect left hand sensor 2, and 5 pin of voltage comparator U3 are connected with right hand sensor 5, and 2 pin of voltage comparator U3 resistance R 8 ground connection that were connected with 6 pin connect power supply by resistance R 7.1 pin, 2 pin of Schmidt's input nand gate U1:A are connected with 1 pin of voltage comparator U3,8 pin, 9 pin of Schmidt's input nand gate U1:C are connected with 7 pin of voltage comparator U3,1 pin of Schmidt's input nand gate U1 connects power supply by resistance R 1,9 pin connect power supply by resistance R 2,4 pin are connected with the base stage of triode Q1 by resistance R 3,11 pin are connected with the base stage of triode Q2 by resistance R 4, and all the other each pin form the interlocking network.Triode Q1 is connected with power supply by resistance R 5, resistance R 6 respectively with the colelctor electrode of triode Q2, the grounded emitter of triode Q1, Q2, the colelctor electrode of triode Q1 is connected with 13 pin of bidirectional electronic switch U2, the colelctor electrode of triode Q2 is connected with 5 pin of bidirectional electronic switch U2,1 pin of bidirectional electronic switch U2 connects the speed reducing switch signal, 4 pin connect the acceleration switch signal, and 2 pin, 3 pin of bidirectional electronic switch U2 are connected with the common port of retard button with acceleration on the control panel.
Operation principle is as follows: during machine works (staff does not have touch inductor), the interlocking network Schmidt input nand gate U1:A that Schmidt's input nand gate U1 forms is identical with Schmidt's input nand gate U1:C incoming level, Schmidt's input nand gate U1:B and Schmidt's input nand gate U1:D output are all high level, triode Q1 and triode Q2 conducting simultaneously, the control pin C of bidirectional electronic switch U2 is a low level, and control pin X, Y are off-state; During single-handed exercise, the control pin C pin of bidirectional electronic switch U2:A or bidirectional electronic switch U2:C is a high level, and control pin X, Y connect.When the left hand signal transmits, produce magnitude of voltage variation from low to high, through the voltage ratio effect of forming by voltage comparator U3 and resistance R 7, resistance R 8 dividing potential drops, make the 4 pin output low levels of Schmidt's input nand gate U1:B, triode Q1 ends, the control pin C pin level of bidirectional electronic switch U2:A raises, and control pin X, Y connect, and produces the speed reducing switch signal and makes treadmill slow down; When right hand signal transmits, produce magnitude of voltage variation from low to high, through the voltage ratio effect of forming by voltage comparator U3 and resistance R 7, resistance R 8 dividing potential drops, make the 11 pin output low levels of Schmidt's input nand gate U1:D, triode Q2 ends, the control pin C pin level of bidirectional electronic switch U2:C raises, and control pin X, Y pin are connected, and produces the acceleration switch signal and makes treadmill quicken; When the left hand and right hand signal together transmits, import the interlocking network that forms by Schmidt's input nand gate U1 into through over-voltage comparator U3:A, U3:B, without any influence, the machine previous status is constant to bidirectional electronic switch U2.
Claims (6)
1, speed self-controlled electric running machine, comprise and shaking hands and control panel, shake hands and be provided with sensor, it is characterized in that: be connected with signal processing unit and electronic switch analogue-key output unit between sensor and the control panel, sensor is connected with signal processing unit, signal processing unit is connected with electronic switch analogue-key output unit, and electronic switch analogue-key output unit is connected with control panel.
2, speed self-controlled electric running machine according to claim 1, it is characterized in that: signal processing unit comprises Signal Pretreatment unit and signal logic processing unit, sensor is connected with the Signal Pretreatment unit, the Signal Pretreatment unit is connected with the signal logic processing unit, and the signal logic processing unit is connected with electronic switch analogue-key output unit.
3, speed self-controlled electric running machine according to claim 2 is characterized in that: the Signal Pretreatment unit is a voltage comparator, and the in-phase input end of voltage comparator is connected with a sensor respectively.
4, speed self-controlled electric running machine according to claim 3, it is characterized in that: the signal logic processing unit is Schmidt's input nand gate circuit, the output of voltage comparator is connected with the input of Schmidt's input nand gate circuit, and the output of Schmidt's input nand gate circuit is connected with the base stage of triode by resistance.
5, speed self-controlled electric running machine according to claim 4, it is characterized in that: electronic switch analogue-key output unit is a bidirectional electronic switch, the colelctor electrode of triode is connected with the control end of bidirectional electronic switch, and the analog contacts of bidirectional electronic switch links to each other with control panel.
6, speed self-controlled electric running machine according to claim 3, it is characterized in that: 3 pin of voltage comparator (U3) connect the left hand sensor, 5 pin are connected with right hand sensor, 1 pin of Schmidt's input nand gate (U1), 2 pin are connected with 1 pin of voltage comparator (U3), 8 pin of Schmidt's input nand gate (U1), 9 pin are connected with 7 pin of voltage comparator (U3), 4 pin are connected with the base stage of first triode (Q1) by resistance (R3), 11 pin are connected with the base stage of second triode (Q2) by resistance (R4), all the other each pin form the interlocking network, the colelctor electrode of first triode (Q1) is connected with 13 pin of bidirectional electronic switch (U2), the colelctor electrode of second triode (Q2) is connected with 5 pin of bidirectional electronic switch (U2), 1 pin of bidirectional electronic switch (U2) connects the speed reducing switch signal, and 4 pin connect the acceleration switch signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100448023A CN100484595C (en) | 2005-09-22 | 2005-09-22 | Speed self-controlled electric running machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100448023A CN100484595C (en) | 2005-09-22 | 2005-09-22 | Speed self-controlled electric running machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1935298A CN1935298A (en) | 2007-03-28 |
| CN100484595C true CN100484595C (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100448023A Expired - Fee Related CN100484595C (en) | 2005-09-22 | 2005-09-22 | Speed self-controlled electric running machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100484595C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791460B (en) * | 2018-06-19 | 2021-03-23 | 蔚来(安徽)控股有限公司 | Steering wheel, vehicle control method and system based on steering wheel and vehicle |
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2005
- 2005-09-22 CN CNB2005100448023A patent/CN100484595C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1935298A (en) | 2007-03-28 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Huixiang Fitness Equipment Co., Ltd. Assignor: Shandong Xianghe Group Co., Ltd. Contract record no.: 2011370000092 Denomination of invention: Speed self-controlled electric running machine Granted publication date: 20090506 License type: Exclusive License Open date: 20070328 Record date: 20110414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20190922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |