CN101539453A - Electronic scale with self-powered function - Google Patents
Electronic scale with self-powered function Download PDFInfo
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- CN101539453A CN101539453A CN200810066146A CN200810066146A CN101539453A CN 101539453 A CN101539453 A CN 101539453A CN 200810066146 A CN200810066146 A CN 200810066146A CN 200810066146 A CN200810066146 A CN 200810066146A CN 101539453 A CN101539453 A CN 101539453A
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Abstract
The invention discloses an electronic scale with self-powered function, which comprises a scale body and a measurement display unit. The electronic scale is characterized in that the electronic scale also comprises an energy-storing device of the measurement display unit and a generating device for supplying electric energy to the energy-storing device; the generating device applies external force through human bodies, for example, pedals by use of feet or pushes by use of hands to drive a generator to generate electric energy; the generating device comprises a transmission device and the generator or a generation component in other forms; the transmission device changes small-stroke rectilinear or swinging motion into high-speed circular motion, and comprises gear transmission mechanisms from Grade 1 to Grade 10 moving along with human external force; a force-applying operation part of the transmission device is positioned above the weighing surface of the scale body or arranged around the scale body, or is an scale-body upper cover connected with the transmission device; and the energy-storing device comprises a capacitor for storing electricity, a storage battery or a rechargeable battery and other electricity-storing devices. The electronic scale has the advantages that: the electronic scale adopts the own generating device to supply power, thereby not only reducing use cost, but also avoiding producing waste batteries to pollute environment.
Description
Technical field
The present invention relates to the electronic scales field, relate in particular to a kind ofly when weighing, produce the electronic scales with self-powered function of the required work energy of electronic scales by the physical construction in the electronic scales voluntarily.
Background technology
Global at present annual all kinds of electronic scales quantity of selling constantly increase, and for example global human body platform scale just has several ten million platforms sales volume in 2006, and all are to need to install battery ability operate as normal.List is calculated with dry cell of the annual consumption of every human body platform scale, and the quantity of the old and useless battery that is produced is just more than several ten million thus.If the processing to old and useless battery is improper, even unprocessed arbitrarily abandoning to living environment, will cause serious injury the environment and the mankind.The harm of old and useless battery mainly concentrates on wherein contained a spot of heavy metal, as lead, mercury, cadmium etc.These noxious materials can enter in the human body by all means, and long-term savings is difficult to get rid of, infringement nervous system, hematopoiesis function and bone, even can be carcinogenic.The edema of Japan is exactly the typical case of mercury poisoning.Therefore, seek the new power supply way of electronic scales, the use that as far as possible reduces dry cell is to be related to the useful behave that environmental protection promotes the well-being of mankind.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of electronic scales with self-powered function, need not provide power supply by the external world, need only the user be used for afterburning operating parts on the scale face with certain masterpiece, perhaps acting force is directly acted on the scale face, drive the small generator generating by the mechanical driving device in the scale body, just can make the required electric energy of electronic scales acquisition work.
In order to solve the problems of the technologies described above, the invention provides a kind of electronic scales with self-powered function, include scale body 10, measure display unit 40; Described scale body 10 includes loam cake 2 (or also having face-piece 1), drain pan 6; Described measurement display unit 40 comprises, is arranged on force transducer 43 on the drain pan 6 of described scale body 10, is used to show the display screen 41 of output data and contains the control module 42 that operation keyboard is used to control described force transducer 43 and display screen 41; Described force transducer 43 is when weight affacts the scale face of scale body, and the output electric signal is given described control module 42; It is characterized in that:
Also comprise being loaded on and be used to drive the energy storage device 50 of described measurement display unit 40 in the scale body 10 and be the described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 that electric energy is provided for energy storage device 50;
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 is that human body applies the device that external force drives power facility generation electric energy, comprises the power-generating member of gearing 90 and small generator 31 or other form;
Described gearing 90 is devices that straight line that stroke is less or amplitude of oscillation motion are transformed into short time high speed circular motion, includes 1～10 grade gear drive with the outer masterpiece motion of human body.
The afterburning operating parts of described gearing 90 is to be positioned on the scale face of scale body 10 or the afterburning operating parts 96 of the periphery of scale body 10, or the loam cake 2 of the composition scale body 10 that is connected with this device (or also having face-piece 1).
The concrete structure of described gearing 90 has the multiple technologies scheme available, below enumerates three schemes wherein:
First technical scheme of described gearing 90 is: gearing 90 is fixed on the drain pan 6 of scale body 10, each transmission shaft is horizontally disposed, transmission output is connected with generator 31, it includes: tooth bar 91, duplicate gear 92 (or also having 93), pinion wheel 94, return springs 95, afterburning operating parts 96, gear stand 97, when people's vola is trampled afterburning operating parts 96 tooth bar 91 is moved downward, through the transmission speedup of mechanism, the rotor short time high speed rotating of described generator 31.The alternative part of the tooth bar 91 of described gearing 90 can be L shaped ring gear 901 or an external toothing of doing amplitude of oscillation motion.
Second technical scheme of described gearing 90 is: gearing 90 is fixed on the drain pan 6 of scale body 10, each transmission shaft is and is arranged vertically, transmission output is connected with generator 31, it includes: rocking arm 902, little axle 903, tooth bar 91, duplicate gear 92 (or also having 93), pinion wheel 94, return springs 95, afterburning operating parts 96, gear stand 97, when people's vola is trampled afterburning operating parts 96 and is made rocking arm 902 drive tooth bars 91 tangential movements, through the transmission speedup of mechanism, the rotor short time high speed rotating of described generator 31.
The 3rd technical scheme of described gearing 90 is: the change on above-mentioned two technical scheme bases, afterburning operating parts 96 is not set specially, and the force part of the tooth bar described in the scheme 91 (or L shaped gear ring 901, or rocking arm 902) is connected with the loam cake 2 of scale body 10.When human body is trampled the scale face application of force, the motion of the loam cake 2 vertical movement driven gear gear trains of scale body 10.In order to guarantee motion steadily, loam cake 2 vertical movements of scale body 10 are provided with guiding mechanism.
The flywheel assembly 99 that ratchet device only transmits unidirectional torque that contains with inertia energy storage effect can also be set in the described gearing 90.
The small generator 31 of described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 adopts the direct current permanent magnetic generator, or AC permanent-magnet formula generator, or the power facility of other form.If adopt alternator, must between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 and energy storage device 50, set up the alternating current of described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 outputs is converted to galvanic rectification circuit 60 as Blast Furnace Top Gas Recovery Turbine Unit (TRT).
The power facility of described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 other forms includes and utilizes the mechanism that has the linear relative movement cutting magnetic line between permanent magnet and the coil and produce electric energy.
Described energy storage device 50 comprises the capacitor C 1 that is used for storing electricity, perhaps comprises the capacitor C 1 and the rechargeable battery U1 that are connected in parallel, with further raising energy storage effect.
Compared with prior art, the advantage that the present invention has the electronic scales of self-powered function is: most of part of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 adopts high-strength engineering plastic moulding and metal powder rolled-up stock, the minority part adopts metal blanking part and handware, manufacturing cost increases few, better economy has market outlook preferably; Owing to adopted the Blast Furnace Top Gas Recovery Turbine Unit (TRT) power supply that carries, both reduced the use cost of electronic scales, also avoided producing the consequence of refuse battery contaminated environment.
Description of drawings
Fig. 1 is a kind of common profile synoptic diagram with electronic scales of self-powered function of the present invention;
Fig. 2 is first example structure synoptic diagram of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention's electronic scales shown in Figure 1;
Fig. 3 is second example structure partial schematic diagram of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention's electronic scales shown in Figure 1;
Fig. 4 is the 3rd example structure synoptic diagram of Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention's electronic scales shown in Figure 1;
Fig. 5 is first powered operation scheme schematic block diagram of the present invention;
Fig. 6 is second powered operation scheme schematic block diagram of the present invention;
Fig. 7 is first kind of circuit diagram that Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention and energy storage device are implemented;
Fig. 8 is second kind of circuit diagram that Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention and energy storage device are implemented;
Fig. 9 is the third circuit diagram that Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present invention and energy storage device are implemented.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 has a kind of common profile synoptic diagram of electronic scales of self-powered function for the present invention.
As shown in Figure 1, the electronic scales with self-powered function of present embodiment comprises: scale body 10 and be arranged on measurement display unit 40, energy storage device 50 (Fig. 1 is not shown) and Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 in the scale body 10.Scale body 10 comprises loam cake 2, drain pan 6, and the top of loam cake 2 can be provided with face-piece 1.Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 comprises: gearing 90, generator 31.The afterburning operating parts 96 of the operating parts of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 is positioned at the top of scale face, is used for the user and tramples the part gravity that applies human body with sole.
Fig. 2 is Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 first example structure synoptic diagram of the present invention's electronic scales shown in Figure 1.
As shown in Figure 2, in first example structure of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30, described gearing 90 is fixed on the drain pan 6 of scale body 10, the rotating shaft of each driving member is horizontally disposed, the transmission output terminal is connected with generator 31, comprising: tooth bar 91, duplicate gear 92 and 93, pinion wheel 94, flywheel assembly 99, back-moving spring 95, afterburning operating parts 96, dust cover 97, gear erecting frame 98 (not shown among Fig. 2), generator 31.Generator 31 is to adopt small generator, and its rotor is the outer ring.
Also establish the flywheel assembly 99 that contains ratchet device in the gearing 90.Ratchet device comprises the shell that contains ratchet base and studs with inner core two parts of ratchet that generator 31 rotors and pinion wheel 94 are connected with the inner core that studs with ratchet with the shell that contains ratchet base respectively.The shell that contains ratchet base also has been provided with the inertia-responsive torus of flywheel.
When user's vola is trampled when afterburning operating parts 96 moves downward tooth bar 91, the pinion wheel 921 that drives duplicate gear 92 rotates, the pinion wheel 931 that the gear wheel 922 of duplicate gear 92 drives duplicate gear 93 rotates, the gear wheel 932 of duplicate gear 93 drives pinion wheel 94 and rotates, the rotational angular velocity of the big pinion wheel of same duplicate gear equates, pinion wheel 94 drives the inner core rotation that flywheel assembly 99 studs with ratchet, ratchet base is transmitted moment of torsion through ratchet, with coaxial 31 rotor short time of the generator high speed rotating of shell of the ratchet base of flywheel assembly 99.Flywheel on the flywheel assembly 99 has absorbed the kinetic energy of rotary torque, and its inertia effect helped generator 31 rotors and keep higher speed rotation in one period short time.
Under the lower surface of tooth bar 91, be provided with return springs 95, can be compression spring or other elastic component.When the action of gravity that applies finished, return springs 95 promotes tooth bar 91 and afterburning operating parts 96 resets.The thrust of return springs 95 is smaller, rotates though can drive the flywheel gear before of unidirectional delivery moment of torsion, and the ratchet devices in the flywheel assembly 99 only transmit unidirectional torque, guarantee that generator 31 rotors can backward rotation.
Afterburning operating parts 96 links to each other with tooth bar 91 and moves up and down.Trample the acting force overload that applies for fear of user's vola gear train is produced impact failure, loam cake 2 or gear stand 98 are provided with limited block, and restriction tooth bar 91 strokes are terminal point up and down, bears overload force.
Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 is fixed on the drain pan 6, has through hole on the scale body loam cake 2 (or and face-piece 1), allows tooth bar 91 pass, afterburning operating parts 96 be positioned at the scale face above, the epimere pressing and fixing of the hole of afterburning operating parts 96 and tooth bar 91.Between afterburning operating parts 96 and scale body loam cake 2, be provided with soft resilient material (such as: the dust cover of rubber) making 97 prevents that the dust dirt from entering in the scale.
After human body was to the Blast Furnace Top Gas Recovery Turbine Unit (TRT) acting, Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 can be sent direct current energy, was sent to described energy storage device 50 and stored.When the electric energy that stores when energy storage device 50 reached the required voltage of the measurement display unit 40 of electronic scales, Electronic Scales for Human Beings just can be used to test.
Fig. 3 is second example structure partial schematic diagram of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 of the present invention's electronic scales shown in Figure 1.
Second part change that embodiment is first example structure, its difference is: the L shaped ring gear 901 that is used as amplitude of oscillation motion among Fig. 3 replaces the tooth bar 91 of Fig. 2 the first strings.L shaped ring gear 901 is installed on the drain pan 6 by little axle 903 or on the gear stand 98, the upper end of L shaped ring gear 901 adds installs afterburning operating parts 96 on the force.On the central shaft fixed gear support 98 of each gear, gear stand 98 is fixed on the drain pan 6.Pinion wheel 921 engagements among L shaped ring gear 901 and the duplicate gear 92, gear drive afterwards can be identical with the first string with the ratchet device transmission, can also remove overrunning clutch mechanisms such as pawl ratchet directly with the generator high speed rotating that pinion wheel is housed on the gear driven rotor shaft.
This programme usefulness is that the little axle of L shaped ring gear 901 usefulness 903 is as a rocking arm fulcrum, the arm of force can be regulated as required, thereby can make the certain angle of L shaped ring gear 901 swings with the power that meets most ergonomics, user mode and sensation are more quite a lot of and more comfortable than directly driving tooth bar 91 up and down.
Fig. 4 is the 3rd example structure synoptic diagram of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 of the present invention's electronic scales shown in Figure 1.
As shown in Figure 4, in the 3rd the example structure scheme of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30, described gearing 90 devices are fixed on the drain pan 6 of scale body 10, each driving member rotating shaft is and is arranged vertically, the transmission output terminal is connected with generator 31, and it comprises: rocking arm 902, little axle 903, tooth bar 91, duplicate gear 92 and 93, pinion wheel 94, flywheel assembly 99, back-moving spring 95, afterburning operating parts 96, dust cover 97, gear erecting frame 98 (not shown among Fig. 4), generator 31.Generator 31 is to adopt small generator.
The difference of above-mentioned the 3rd embodiment and first example structure scheme is: the direction of motion of the 3rd embodiment middle rack 91 is levels, and user's vola to trample added acting force be vertical direction substantially, device has increased rocking arm 902.The little axle 903 of rocking arm 902 usefulness is installed on the support of gear stand 98 or drain pan 6, and its long-armed and tooth bar 91 is connected, and its galianconism is accepted user's vola and trampled the acting force of vertical direction.Rocking arm 902 has changed the direction of power, has realized the horizontal rectilinear motion of tooth bar 91.After this, the same with first example structure of gearing 90, tooth bar 91 has driven the driving member after the device middle rack 91.The favourable part of this programme is to reduce the height dimension of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30, for the whole height that reduces electronic scales provides the condition that makes things convenient for.
Above-described just three embodiment of electronic scales Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 organization plans of the present invention, certainly can also take the physical construction of other form, realize that the user applies a spot of external force and is transformed into short time high speed circular motion with stroke less straight line or amplitude of oscillation motion, make the electric energy of Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 outputs.
Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 normally manufactures the combination member and is installed in the scale body 10, can be widely used.Included most of part adopts high-strength engineering plastic moulding and metal powder rolled-up stock, and the minority part adopts metal blanking part and handware, and battery is used in the battery case and the cancellation that also reduce in the scale body 10, and manufacturing cost increases little, better economy.A small amount of acting force that the user applies changes into the required working power of electronic scales, and is both energy-conservation, environmental protection again, and the user has also increased a kind of selection of electronic scales.
The feed circuit that the present invention has an electronic scales of self-powered function require that energy is enough, voltage galvanic current source for described measurement display unit 40 provides.For this reason, the present invention has adopted the technical scheme of strengthening the energy storage effect to described energy storage device 50, need take to strengthen measures such as electric energy reserves, regulated output voltage and increase holding circuit.
Fig. 5 has first powered operation scheme schematic block diagram of the electronic scales of self-powered function for the present invention.
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 adopts the direct current permanent magnetic generator, and output DC is stored by energy storage device 50, and energy storage device 50 output electric energy are to drive display unit 40 work of measuring.
Described measurement display unit 40 comprises: force transducer 43, be used for the display screen 41 of indicative control unit 42 output datas and be used for input command to control the control module 42 of described force transducer 43 and display screen 41.Described control module 42 is used to import user's operating command for being fixedly installed on the supervisory keyboard on the scale face.
Fig. 6 is second powered operation scheme schematic block diagram of the electronic scales of the present invention with self-powered function.The difference of implementing with first powered operation shown in Figure 5 is that described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 is an AC permanent-magnet formula generator.Between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 and described energy storage device 50, be provided with rectification circuit 60, be used for and alternating current is converted to direct current being input to described energy storage device 50.
In order to guarantee the safety of circuit, connect a holding circuit 80 between described rectification circuit 60 and the energy storage device 50.
Fig. 7 has the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electronic scales of self-powered function and first kind of circuit diagram that energy storage device is implemented for the present invention.As shown in Figure 7, described rectification circuit 60 adopts bridge rectifier circuit, is used for that the alternating current of input is converted into direct current and outputs to described energy storage device 50.
Described energy storage device 50 comprises a jumbo electric capacity (C1).For further regulated output voltage, also be provided with low pressure difference linear voltage regulator (LDO) at energy storage device 50 output terminals.
Described capacitor C 1 can be selected the electric capacity of homemade 5.5V, 1F, and described diode (D1～D4) select for use (IN4148), described low pressure difference linear voltage regulator is selected (SP1117-3.3) for use, and described energy storage device 50 output voltage ranges are stabilized in 2.7V to 3.3V.
Fig. 8 has the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electronic scales of self-powered function and second kind of circuit diagram that energy storage device is implemented for the present invention.For further strengthening the effect of energy storage, the further improvement of 50 pairs of technical schemes shown in Figure 7 of described energy storage device as shown in Figure 8, has been adopted the technical scheme of super capacitor and rechargeable battery (U1) combined accumulation energy, comprise a jumbo electric capacity (C1), also include rechargeable battery (U1).
Fig. 9 has the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of electronic scales of self-powered function and the third circuit diagram that energy storage device is implemented for the present invention.When needs further improved self-powered efficient, Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 can adopt threephase alternator.Shown in Figure 9 is technical scheme when adopting threephase alternator, comprises and adopts rectified three-phase circuit 60, is used for that the three-phase alternating current of input is converted into direct current and outputs to described energy storage device 50.
Claims (10)
1, a kind of electronic scales with self-powered function includes scale body 10, measures display unit 40, it is characterized in that:
Also comprise and be loaded on the Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 that is used to drive the energy storage device 50 of described measurement display unit 40 in the scale body 10 and electric energy is provided for described energy storage device 50;
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 is that human body applies the device that external force drives power facility generation electric energy, comprises the power-generating member of gearing 90 and small generator 31 or other form;
Described gearing 90 is devices that straight line that stroke is less or amplitude of oscillation motion are transformed into the high speed circular motion, includes 1～10 grade gear drive with the outer masterpiece motion of human body.
2, the electronic scales with self-powered function according to claim 1, it is characterized in that: the afterburning control member of described gearing 90 is to be positioned on the scale face of scale body 10 or the afterburning operating parts 96 of scale body 10 peripheries, or the loam cake 2 of the composition scale body 10 that is connected with this device (or also having face-piece 1).
3, electronic scales with self-powered function according to claim 1, it is characterized in that: described gearing 90 is fixed on the drain pan 6 of scale body 10, each transmission shaft is horizontally disposed, transmission output is connected with generator 31, it includes: tooth bar 91, duplicate gear 92 (or also having 93), pinion wheel 94, return springs 95, afterburning operating parts 96, gear stand 97, can also comprise the flywheel assembly 99 that contains ratchet device, when human body applies external force and acts on afterburning operating parts 96 tooth bar 91 is moved downward, through the transmission speedup of mechanism, the rotor short time high speed rotating of described small generator 31.
4, according to claim 1,2,3 described electronic scaless with self-powered function, it is characterized in that: the alternative part of the tooth bar 91 of described gearing 90 is L shaped ring gear or external toothings.
5, according to claim 1,2 described electronic scaless with self-powered function, it is characterized in that: described gearing 90 is fixed on the drain pan 6 of scale body 10, each transmission shaft is and is arranged vertically, transmission output is connected with generator 31, it includes: rocking arm 902, little axle 903, tooth bar 91, duplicate gear 92 (or also having 93), pinion wheel 94, return springs 95, afterburning operating parts 96, gear stand 97, can also comprise the flywheel assembly 99 that contains ratchet device, when human body applies external force and acts on afterburning operating parts 96 and make rocking arm 902 drive tooth bars 91 tangential movements, through the transmission speedup of mechanism, the rotor short time high speed rotating of described small generator 31.
6, the electronic scales with self-powered function according to claim 1 is characterized in that: the power facility of described other form includes and utilizes the mechanism that has the linear relative movement cutting magnetic line between permanent magnet and the coil and produce electric energy.
7, according to the described electronic scales with self-powered function of claim 1～6, it is characterized in that: described energy storage device 50 comprises the electric capacity (C1) of storing electricity.
8, according to the described electronic scales with self-powered function of claim 1～7, it is characterized in that: described energy storage device 50 comprises electric capacity (C1) and rechargeable battery accumulate devices such as (U1).
9, according to claim 1～5,7,8 described electronic scaless with self-powered function, it is characterized in that: described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 adopts the direct current permanent magnetic generator.
10, according to claim 1～5,7,8 described electronic scaless with self-powered function, it is characterized in that: described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 adopts AC permanent-magnet formula generator, comprises that also the alternating current described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 outputs that is arranged between described Blast Furnace Top Gas Recovery Turbine Unit (TRT) 30 and the energy storage device 50 is converted to galvanic rectification circuit 60.
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| CN200810066146A CN101539453A (en) | 2008-03-21 | 2008-03-21 | Electronic scale with self-powered function |
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| CN200810066146A CN101539453A (en) | 2008-03-21 | 2008-03-21 | Electronic scale with self-powered function |
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