CN2712401Y

CN2712401Y - Treadmill

Info

Publication number: CN2712401Y
Application number: CN 200420081469
Authority: CN
Inventors: 陈伯荣
Original assignee: ZHEJIANG SANRONG ELECTRIC MOTOR CO Ltd
Current assignee: ZHEJIANG SANRONG ELECTRIC MOTOR CO Ltd
Priority date: 2004-08-05
Filing date: 2004-08-05
Publication date: 2005-07-27
Anticipated expiration: 2014-08-05

Abstract

The utility model relates to a treadmill, comprising a frame, an electric motor installed on the frame and a tread belt, the electric motor is in linkage with the tread belt through a transmission mechanism, and the electric motor is a switch magnetic resistance electric motor. The frame also can be provided with an electricity storage device, a charging circuit and a converting switch which controls the operating state of the switch magnetic resistance electric motor, when the switch magnetic resistance electric motor is in the electricity generation state, the switch magnetic resistance electric motor is connected with the electricity storage device through the charging circuit. Because of using the switch magnetic resistance electric motor, the production cost of the treadmill is decreased, simultaneously the treadmill can realize the soft starting, the acceleration and the deceleration is smooth, the stepless speed regulation can be taken, the switch magnetic resistance electric motor has the characteristics of small starting electric current with loading, great moment of rotation in the low speed and large range of the rotation speed, and the converter has operational reliability and long service life. Simultaneously the characteristic that the switch magnetic resistance electric motor can generate electricity is used, the mechanical energy in the working process is converted into the electricity energy by the switch magnetic resistance electric motor, and the electricity energy is stored in the electricity storage device to provide for the treadmill to use or for the daily life electricity consumption when no power supply is provided. Thus the utility model has strong practicability and is worth for popularization and application in the treadmills.

Description

A kind of running machine

Technical field

The utility model relates to a kind of key body apparatus, especially refers to the electric runner that a kind of body-building is used.

Background technique

Raising along with people's living standard, running machine is widely used as a kind of key body equipment commonly used, and for satisfying this demand, various running machine has also appearred on the existing market, it mainly comprises frame, motor, driving component, running band and the speed control system that is used to control whole motion process, motor drives the running tape travel in the effect of speed control system by driving component, to realize the purpose of key body.Wherein, above-mentioned motor and speed control system adopt usually brush direct current generator, permanent-magnetic brush-less DC speed control system, Asynchronous Frequency-variable speed control system.Because have the controller adult of brush permanent magnet DC motor speed control system low, speed adjusting performance is also good, has therefore satisfied usage requirement to a certain extent.But because the cost of direct current generator is higher relatively, starting current is big, and starting torque is little during rated current, and accelerating velocity is slow in the short time.In addition, brush and commutator are shorter working life, need often replacing and maintenance, thereby have influenced people's consumption, also influence applying of running machine; Asynchronous Frequency-variable speed control system electric motor starting electric current commonly used is also big, and starting torque is also little, and accelerating velocity is slow in the short time.When using, when the movement velocity of people on running machine reaches certain value, the energy of human consumption can oppositely drive the rotation of motor fully, but because above-mentioned motor is difficult for realizing four limit operations, promptly be difficult for realizing the function of generating, thereby this part energy is wasted because of not changing.So existing running machine system still exists unsatisfactory part, need further to improve.

Summary of the invention

Technical problem to be solved in the utility model is to provide at above-mentioned prior art present situation that a kind of relative cost is low, the service-strong running machine.

Another technical problem to be solved in the utility model is the defective at above-mentioned prior art present situation, and a kind of running machine that can save energy generating is provided.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: this running machine comprises frame, rack-mounted motor and the band of running, described motor links by the driving mechanism and the band of running, and it is characterized in that: described motor is a switched reluctance machines.

Utilize switching magnetic-resistance to can be used as the performance of generator, the diverter switch of electric accumulator, charging circuit and control switch reluctance motor running state can also be installed on the described frame, when described switched reluctance machines was in generating state, switched reluctance machines was connected with electric accumulator by charging circuit.

Described driving mechanism can be made up of the flying wheel, master rotor roller and the drivign belt that are installed on the switched reluctance machines output shaft, described master rotor roller is coaxial to be installed on the master rotor that supports the band of running, and links by above-mentioned drivign belt between flying wheel and master rotor roller; Also can adopt other conventional kind of drive to link.

Compared with prior art, advantage of the present utility model is: owing to adopted switched reluctance machines, therefore when reducing the running machine cost of production, can make running machine realize soft start, acceleration, deceleration are level and smooth, can carry out stepless speed regulation, and have that the loaded starting electric current is little, low speed high torque, characteristics that speed range is big, and the transducer reliable operation, easy to maintenance, long service life.Utilize switched reluctance machines to can be used as the characteristics that generator uses simultaneously, unnecessary mechanical energy in the using process is converted into electric energy through it, be stored in the electric accumulator, running machine itself uses or supplies household electricity during in order to the nothing electricity, therefore the utility model is when solving the prior art defective, have more energy-conservation practicability, thereby be worth promoting the use of in the running machine field.

Description of drawings

Fig. 1 is the utility model embodiment 1 a structural representation;

Fig. 2 is the fundamental diagram of switched Reluctance Motor Control circuit among the utility model embodiment 1;

Fig. 3 is the utility model embodiment 2 a structural representation;

Fig. 4 is the fundamental diagram of switched Reluctance Motor Control circuit among the utility model embodiment 2.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Embodiment 1, as shown in Figure 1, this running machine comprises frame 1, from the upwardly extending rack body 2 of frame 1 front end, be installed in the control panel 4 on the rack body 2 and be installed in the handle 3 that is applicable on this rack body 2 that players grips, switched reluctance machines 6 and its correspondent control circuits 5 and preceding then are installed on described frame 1, the master rotor that the back distributes, from cylinder, running is with 10 to be placed in the master, outside cylinder, wherein master rotor links by driving mechanism and switched reluctance machines 6, and making like this runs can have the function of the running of unrolling with the rotation of master rotor with 10.In the present embodiment, switched reluctance machines 6 is positioned at the frame 1 front end place under the rack body 2, driving mechanism comprise the flying wheel 7 that is installed on switched reluctance machines 6 output shafts and with the coaxial mounted master rotor roller 9 of master rotor, and between flying wheel 7 and master rotor roller 9, link by drivign belt 8, the rotation of control switch reluctance motor 6 like this, can pass through the transmission of flying wheel 7, drivign belt 8 and master rotor roller 9, drive master rotor thereupon and rotate, thereby reach the purpose of running with 10 runnings.

The control circuit working principle of this running machine as shown in Figure 2, it comprises operating mode given and running state display unit, Digital Logical Circuits and single-chip microcomputer status unit, power amplification front end circuit, power amplification circuit, electric current and voltage feedback circuit and velocity feedback circuits, these circuit units are formed by the circuit of routine, here no longer concrete circuit is described, and only its function is explained.Wherein, given and the running state display unit of operating mode is to realize setting to the running machine operating mode by the button on the control panel, also comprise the adjustment setting in the running simultaneously, these are set by after the processing of the CPU in this unit, instruction is reached in Digital Logical Circuits and the single-chip microcomputer status unit through interface circuit and to handle, and the various running statees of real-time this running machine of demonstration and Operational Limits, data on control panel are so that make the user in time understand residing state of running machine and runnability.And Digital Logical Circuits and single-chip microcomputer status unit are the control core cells of whole running machine, after it receives above-mentioned various instruction, the state present according to running machine, after handling in real time, obtain weak electric signal, this weak electric signal changes the 50Hz Ac of energy drive motor running into by the power amplification front end circuit, this 50Hz Ac is again by changing the required pulse direct current of energy driving switch reluctance motor running into behind the power amplification circuit, thereby the operation of driving switch reluctance motor makes the running of running machine carry out according to user's intention.

In order to turn round under the situation that prevents switched reluctance machines or overtension or brownout excessive at electric current; between power amplification circuit and Digital Logical Circuits and single-chip microcomputer status unit, be connected with electric current and voltage feedback circuit; this circuit is sampled to the electric current in the power amplification circuit and voltage and is changed and changes weak signal into and deliver in Digital Logical Circuits and the single-chip microcomputer status unit; when electric current when excessive or overtension or brownout; Digital Logical Circuits and single-chip microcomputer status unit can send instruction; stop to send weak electric signal to the power amplification front end circuit, promptly shut-off circuit is to reach the purpose of protective switch reluctance motor.Handle through the single-chip microcomputer in Digital Logical Circuits and the single-chip microcomputer status unit in addition, can carry out Current Control to switched reluctance machines, to reach the optimally-controlled purpose of motor.

In addition, because switched reluctance machines itself has rotor position detector, therefore, in the present embodiment, the motor speed signal that rotor position detector is collected is delivered in Digital Logical Circuits and the single-chip microcomputer status unit after by velocity feedback circuits, handles the back through Digital Logical Circuits and single-chip microcomputer status unit and realizes the speed closed loop of switched reluctance machines is controlled.

Embodiment 2, and as shown in Figure 3 and Figure 4, itself and above-mentioned first embodiment's difference are: utilized switched reluctance machines 6 can realize the characteristics of four limit operations, made switched reluctance machines 6 carry out generator operation as required.In order to realize above-mentioned functions, present embodiment is equipped with electric accumulator 12 and corresponding normal charge circuit at the front end place of frame 1, wherein electric accumulator 12 can adopt storage battery commonly used, charging circuit is connected between power amplification circuit and the storage battery, and on control panel 4, be equipped with one and switch switch 11, this diverter switch 11 links to each other with the respective foot of Digital Logical Circuits and single-chip microcomputer status unit, so that control switch reluctance motor 6 is in the generating operating mode as required.

During use, when running arrives certain value with 10 rotating speed, the user pushes the diverter switch 11 on the control panel 4, send the generator operation control signal to Digital Logical Circuits and single-chip microcomputer status unit, be that configuration switch reluctance motor 6 is in the generating operating mode, then switched reluctance motor system progressively enters into power generation mode by electric model under this Single-chip Controlling, electric energy is exported through power amplification circuit, after the charging circuit conversion, charge a battery again, like this user drive run with 10 effect under, though the revolution electric current of switched reluctance machines 6 is little, but it is still to be with 10 corresponding speed rotations with running, switched reluctance machines 6 is in the state of generating, and the electric energy storage that mechanical energy is converted to is in storage battery always, uses when not having electricity.And in case run when dropping to certain value with 10 rotating speed, the user pushes diverter switch 11 again, send the control signal that withdraws from the generator operation state to Digital Logical Circuits and single-chip microcomputer status unit, then switched reluctance motor system progressively enters into electric model by power generation mode under Single-chip Controlling, promptly is returned to reset condition.So running machine of the present utility model when taking exercises, has been laid in electric energy again, therefore use practical and energy-conservation in the extreme.

Claims

1, a kind of running machine, it comprises frame, rack-mounted motor and the band of running, and described motor links by the driving mechanism and the band of running, and it is characterized in that: described motor is a switched reluctance machines.

2, running machine according to claim 1, it is characterized in that also being equipped with on the described frame diverter switch of electric accumulator, charging circuit and control switch reluctance motor running state, when described switched reluctance machines was in generating state, switched reluctance machines was connected with electric accumulator by charging circuit.

3, running machine according to claim 1 and 2, it is characterized in that described driving mechanism is made up of the flying wheel, master rotor roller and the drivign belt that are installed on the switched reluctance machines output shaft, described master rotor roller is coaxial to be installed on the master rotor that supports the band of running, and links by above-mentioned drivign belt between flying wheel and master rotor roller.