CN102538335A - Movable refrigerator with electric power system and control method thereof - Google Patents
Movable refrigerator with electric power system and control method thereof Download PDFInfo
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- CN102538335A CN102538335A CN201210031496XA CN201210031496A CN102538335A CN 102538335 A CN102538335 A CN 102538335A CN 201210031496X A CN201210031496X A CN 201210031496XA CN 201210031496 A CN201210031496 A CN 201210031496A CN 102538335 A CN102538335 A CN 102538335A
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- refrigerator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention discloses a movable refrigerator with an electric power system. The movable refrigerator comprises a refrigerator complete machine and the electric power system, wherein the electric power system comprises a control panel, a sensing handle, a speed regulator and an electric transmission actuating mechanism, wherein the control panel and the sensing handle are arranged on a push rod on the side part of the refrigerator complete machine; the electric transmission actuating mechanism and the speed regulator are arranged at the bottom of the refrigerator complete machine; the sensing handle is arranged on two sides of the control panel and is connected with the control panel mutually; the control panel and the sensing handle are connected with the speed regulator; the speed regulator is connected to the electric transmission actuating mechanism; a sensor is arranged in the sensing handle; and thrust applied to the sensing handle is sensed through the sensor. Due to the arrangement of the electric power system at the bottom of the refrigerator complete machine, the refrigerator complete machine can be transported under driving of a motor, and output power is automatically adjusted by sensing the thrust sensed by the sensing handle. Moreover, the refrigerator complete machine can run on complex road surfaces.
Description
Technical field
The present invention relates to the refrigerator technical field, relate in particular to a kind of portable refrigerator that has electric booster system.
Background technology
Refrigeration plant (refrigerator) commonly used is when peddling out of doors, owing to peddle the change in place, product needed moves at any time, yet refrigeration plant weight under fully loaded situation is bigger, moves inconvenience, in moving, wastes time and energy.
Carry the problem of inconvenience out of doors in order to solve commercial refrigerating device (refrigerator), part refrigerator self-control transport vehicle, but because there is potential safety hazard simultaneously in self-control transport vehicle manpower push-and-pull difficulty, not can solve the carrying problem of commercial ice box.
Chinese patent document CN 2446472Y open " the portable refrigerator of solar energy "; Comprise refrigerator complete machine, solar panel, energy storage device, connection support, refrigerator mobile device and control circuit; Be characterized in that described refrigerator mobile device is one the refrigerator transport vehicle of wheel to be housed; Refrigerator complete machine and energy storage device are placed on respectively on the transport vehicle base; Solar panel links to each other with refrigerator transport vehicle base through connecting support, and refrigerator compressor power plug is inserted in the energy storage device supply socket.Its refrigerated cabinet mechanism is compact, carrying, mobile, easy to use, and energy storage device can also be other electric power supply easily; Of many uses, but the complex structure of the portable refrigerator of this solar energy causes manufacturing cost higher; And the startup of refrigerator mobile device is only controlled through control circuit; Its speed can not well be regulated, and causes power-assisted to be crossed easily and controlled by the people, perhaps the too small problem that can not promote refrigerator of power-assisted.
Summary of the invention
The objective of the invention is to address the above problem; A kind of portable refrigerator that has electric booster system is provided, and its self-regulation ability with simple in structure, low cost of manufacture, power-assisted size is high, can meet the demand of various road conditions and the advantage of energy savings.
For reaching this purpose, the present invention adopts following technical scheme:
A kind of portable refrigerator that has electric booster system; Refrigerator be should move and refrigerator complete machine and electric booster system comprised; Said electric booster system comprises control panel, perception handle, speed regulator and drive of motor executing agency; Wherein said control panel, perception handle are arranged on the push rod of said refrigerator complete machine sidepiece, and said drive of motor executing agency is arranged on the bottom of said refrigerator complete machine, and said speed regulator is arranged on the bottom of said refrigerator complete machine;
Said control panel, said perception handle are arranged on the push rod; Said perception handle is arranged on the both sides of said control panel and interconnects; Said control panel all is connected said speed regulator with said perception handle, and said speed regulator is connected to said drive of motor executing agency;
And in the said perception handle sensor is set, and is applied to the size of the thrust on the said perception handle through said sensor sensing;
Three buttons that are respectively applied for control force aid system power switch, force aid system numerical value input pattern switch, force aid system perception handle mode switch are set on the said control panel at least.
Further, said drive of motor executing agency comprises wheel, and the motor that drives said wheel running, and said motor is through wiring connection speed regulator.
Preferably, the inner end of said perception handle is provided with sensor, can make the refrigerator-freezer complete machine realize the motion of a direction.
Be more preferably; The inner two ends of said perception handle all are provided with sensor; And said two sensors be separately positioned on back to in the face of a side of refrigerator complete machine, the detected signal of hall device in the sensor of a side setting of refrigerator complete machine is a progress signal here, in the face of the detected signal of hall device in the sensor of a side setting of refrigerator complete machine is a backing signal; Can make the refrigerator-freezer complete machine realize the motion of both direction, can advance and also can retreat.
Further; Said sensor comprises pressure switch, magnet, spring and hall device, and first end of said magnet connects pressure switch, and second end connects spring; Said hall device is arranged on second end near said magnet; So that magnet is positioned at the sensing range of hall device all the time, said hall device one side is connecting said speed regulator through wiring, and said magnet is different with the relative position of said hall device; Produce different magnetic signals, said hall device is transferred to said speed regulator with the signal that different magnetic signals converts the resistance size into.The sensor here adopts said structure; Can be more from main regulation power-assisted size; And because hall device and magnet, spring are all contactless, thus the service life of hall device prolonged, and also the hall device after the long-time use also can keep higher precision.
Preferably, said speed regulator is a MCU intelligent speed-regulating device.
A kind of control method that has the portable refrigerator of electric booster system is selected artificial mode or assistant mode according to different road conditions, when selecting artificial mode, and the power switch on the closing control panel, use manual work to carry out push-and-pull work this moment; When selecting assistant mode for use, open the power switch on the control panel, carry out power-assisted push-and-pull work; And said assistant mode is divided into two kinds, and a kind of is the numerical value input pattern, and promptly power-assisted numerical value is directly inputted on the control panel; Need open the numerical value load button this moment, closes perception handle button simultaneously; Another kind is a perception handle pattern, and promptly the direct perception power-assisted size of perception handle need be opened perception handle button this moment, closes the numerical value load button simultaneously.
When the perception handle pattern in the employing assistant mode, turn on the power switch, and then open perception handle button; Close the numerical value load button simultaneously, this moment, the pressure switch of the sensor that the perception handle is inner was opened through the perception handle is applied active force; Active force acts on the magnet; Make magnet near hall device, various signals is passed to hall device, hall device produces different hall signals; And hall signal is passed to speed regulator, pass to electric machine actuating mechanism by speed regulator again and carry out push-and-pull work.
When the numerical value input pattern in the employing assistant mode, turn on the power switch, and then open the numerical value load button; Close perception handle button simultaneously; The numerical value that input is predetermined, control panel is passed to speed regulator with this numerical signal, passes to electric machine actuating mechanism by speed regulator again and carries out push-and-pull work.
Beneficial effect of the present invention is: through in refrigerator complete machine bottom electric booster system being set; The refrigerator complete machine can be transported under the driving of motor; And experience the size of thrust through the perception handle, can regulate the size of output power-assisted voluntarily, the people can better be controlled; And make that the refrigerator complete machine can advance, retreats, climbing etc. gone on complex road surface, thereby solved the problem that commercial refrigerating device (refrigerator) is carried inconvenience out of doors; Through a plurality of different buttons are set on control panel; Can realize multiple control modes, directly import control panel such as the numerical value of required power-assisted size, or through perception handle control power-assisted size; Or be directly to rely on manpower push-and-pull etc.; Different modes adapts to different road conditions environment, for example on comparatively smooth road surface, uses manpower, thus saves energy; The contrast prior art, that this refrigerator has is simple in structure, the self-regulation ability of low cost of manufacture, power-assisted size is high, can meet the demand of various road conditions and the advantage of energy savings.
Description of drawings
Fig. 1 is the embodiment one described structural representation that has the portable refrigerator of electric booster system;
Fig. 2 is the workflow diagram of the electric booster system shown in Fig. 1;
Fig. 3 is the structural representation of the sensor shown in Fig. 1;
Fig. 4 is the embodiment two described structural representations that have the portable refrigerator of electric booster system;
Fig. 5 is the workflow diagram of the electric booster system shown in Fig. 4;
Fig. 6 is the workflow diagram of the perception handle pattern of assistant mode among Fig. 5.
In Fig. 1～3:
1, refrigerator complete machine; 11, push rod; 2, electric booster system;
3, control panel; 31, power switch; 32, numerical value load button; 33, perception handle button;
4, perception handle; 5, speed regulator; 6, drive of motor executing agency;
7, sensor; 71, pressure switch; 72, magnet; 73, spring; 74, hall device;
In Fig. 4～5:
8, refrigerator complete machine; 81, push rod; 9, electric booster system;
10, control panel; 101, power switch; 102, numerical value load button; 103, perception handle button; 104, forwarding button; 105, back;
11, perception handle; 12, speed regulator; 13, drive of motor executing agency;
14, advancement sensor; 15, retreat sensor.
The specific embodiment
Embodiment one; Shown in Fig. 1～3; In present embodiment, a kind of portable refrigerator that has electric booster system of the present invention, this moves refrigerator and comprises refrigerator complete machine 1 and electric booster system 2; Electric booster system 2 comprises control panel 3, perception handle 4, speed regulator 5 and drive of motor executing agency 6; Wherein control panel 3, perception handle 4 are arranged on the push rod 11 of refrigerator complete machine 1 sidepiece, and drive of motor executing agency 6 is arranged on the bottom of refrigerator complete machine 1, and speed regulator 5 is arranged on the bottom of refrigerator complete machine 1;
And sensor 7 is set in the perception handle 4, and is applied to the size of the thrust on the perception handle 4 through sensor 7 sensings;
The button that is provided with on the control panel 3 comprises power switch 31, numerical value load button 32 and perception handle button 33.
Drive of motor executing agency 6 comprises wheel, and is arranged on the motor that is used to provide rotational power on the wheel, and gear-box is set between the output shaft of the turning cylinder of wheel and motor, to reach the purpose that wheel rotates under the driving of motor.
During work, select the different operation mode according to different road conditions or demand:
When more smooth road conditions, can select artificial mode, the power switch 31 on the closing control panel 3 uses manual work to carry out push-and-pull work at this moment;
When the road conditions of more complicated, can select assistant mode, open the power switch 31 on the control panel 3 this moment; Carrying out power-assisted pushes the work forward; And assistant mode is divided into two kinds, and a kind of is the numerical value input pattern, and promptly power-assisted numerical value is directly inputted on the control panel 3; Need open numerical value load button 32 this moment, closes perception handle button 33 simultaneously; Another kind is a perception handle pattern, and promptly perception handle 4 direct perception power-assisted sizes need be opened perception handle button 33 this moment, close numerical value load button 32 simultaneously.
When the perception handle pattern in the employing assistant mode, turn on the power switch 31, and then open perception handle button 33; Close numerical value load button 32 simultaneously, this moment, the pressure switch 71 of the sensor 7 of perception handle 4 inside was opened through perception handle 4 is applied active force; Active force acts on the magnet 72; Make magnet 72 near hall device 74, various signals is passed to hall device 74, hall device 74 produces different hall signals; And hall signal is passed to speed regulator 5, pass to electric machine actuating mechanism 6 by speed regulator 5 again and push the work forward.
When the numerical value input pattern in the employing assistant mode; Turn on the power switch 31; And then open numerical value load button 32, close perception handle button 33 simultaneously, the numerical value that input is predetermined; Control panel 3 is passed to intelligent speed-regulating device 5 with this numerical signal, passes to electric machine actuating mechanism 6 by speed regulator 5 again and pushes the work forward.
Embodiment two; Shown in Fig. 4～5; In present embodiment, a kind of portable refrigerator that has electric booster system of the present invention, this moves refrigerator and comprises refrigerator complete machine 8 and electric booster system 9; Electric booster system 9 comprises control panel 10, perception handle 11, speed regulator 12 and drive of motor executing agency 13; Wherein control panel 10, perception handle 11 are arranged on the push rod 81 of refrigerator complete machine 8 sidepieces, and drive of motor executing agency 13 is arranged on the bottom of refrigerator complete machine 8, and speed regulator 12 is arranged on the bottom of refrigerator complete machine 8;
And sensor 14 is set in the perception handle 11, and is applied to the size of the thrust on the perception handle 11 through sensor 14 sensings;
The button that is provided with on the control panel 10 comprises power switch 101, numerical value load button 102, perception handle button 103, forwarding button 104 and back 105.
Drive of motor executing agency 13 comprises wheel, and is arranged on the motor that is used to provide rotational power on the wheel, and gear-box is set between the output shaft of the turning cylinder of wheel and motor, to reach the purpose that wheel rotates under the driving of motor.
During work, select the different operation mode according to different road conditions or demand:
When more smooth road conditions, can select artificial mode, the power switch 101 on the closing control panel 10 uses manual work to carry out push-and-pull work at this moment;
When the road conditions of more complicated, can select assistant mode, open the power switch 31 on the control panel 10 this moment, carries out power-assisted and push the work forward.
When refrigerator complete machine 8 need advance; Open forwarding button 104, close back 105 simultaneously, the assistant mode of this moment is divided into two kinds; A kind of is the numerical value input pattern; Be that power-assisted numerical value is directly inputted on the control panel 10, need open numerical value load button 102 this moment, closes perception handle button 103 simultaneously; Another kind is a perception handle pattern, and promptly perception handle 11 direct perception power-assisted sizes need be opened perception handle button 103 this moment, close numerical value load button 102 simultaneously;
When the perception handle pattern in the employing assistant mode, open perception handle button 103, close numerical value load button 102 simultaneously; This moment, the pressure switch of the advancement sensor 14 of perception handle 11 inner right-hand members was opened through perception handle 11 is applied the thrust that pushes away forward, and active force acts on the magnet; Make magnet near hall device, various signals is passed to hall device, hall device produces different hall signals; What the hall device of this moment transmitted is progress signal; And hall signal is passed to speed regulator 12, pass to electric machine actuating mechanism 13 by speed regulator 12 again, and the motors in the electric machine actuating mechanism 13 are when receiving progress signal; The output shaft of motor carries out forward rotation; Simultaneously the output shaft of motor is passed to the turning cylinder of wheel with forward signal through gear-box, makes the wheel forward rotation, and refrigerator complete machine 8 is moved forward under electric boosted effect.
When the numerical value input pattern in the employing assistant mode, open numerical value load button 102, close perception handle button 103 simultaneously; The numerical value that input is predetermined, control panel 10 is passed to speed regulator 12 with this numerical signal, and the signal of this moment is a progress signal; Pass to electric machine actuating mechanism 13 by speed regulator 12 again; And the motors in the electric machine actuating mechanism 13 are when receiving progress signal, and the output shaft of motor carries out forward rotation, and the output shaft of motor is passed to forward signal the turning cylinder of wheel through gear-box simultaneously; Make the wheel forward rotation, refrigerator complete machine 8 is moved forward under electric boosted effect.
When refrigerator complete machine 8 need be retreated; Open back 105, close forwarding button 104 simultaneously, the assistant mode of this moment is divided into two kinds; A kind of is the numerical value input pattern; Be that power-assisted numerical value is directly inputted on the control panel 10, need open numerical value load button 102 this moment, closes perception handle button 103 simultaneously; Another kind is a perception handle pattern, and promptly perception handle 11 direct perception power-assisted sizes need be opened perception handle button 103 this moment, close numerical value load button 102 simultaneously;
When the perception handle pattern in the employing assistant mode, open perception handle button 103, close numerical value load button 102 simultaneously; This moment, the pressure switch of retreating sensor 15 of perception handle 11 inner left ends was opened through perception handle 11 is applied the pulling force that pulls back, and active force acts on the magnet; Make magnet near hall device, various signals is passed to hall device, hall device produces different hall signals; The hall device of this moment produces backing signal; And hall signal is passed to speed regulator 12, pass to electric machine actuating mechanism 13 by speed regulator 12 again, and the motors in the electric machine actuating mechanism 13 are when receiving backing signal; The output shaft of motor carries out backward rotation; Simultaneously the output shaft of motor is passed to the turning cylinder of wheel with reverse signal through gear-box, makes the wheel backward rotation, and refrigerator complete machine 8 is moved under electric boosted effect backward.
When the numerical value input pattern in the employing assistant mode, open numerical value load button 102, close perception handle button 103 simultaneously; The numerical value that input is predetermined, control panel 10 is passed to speed regulator 12 with this numerical signal, and the signal of this moment is a backing signal; Pass to electric machine actuating mechanism 13 by speed regulator 12 again; And the motors in the electric machine actuating mechanism 13 are when receiving backing signal, and the output shaft of motor carries out backward rotation, and the output shaft of motor is passed to reverse signal the turning cylinder of wheel through gear-box simultaneously; Make the wheel backward rotation, refrigerator complete machine 8 is moved under electric boosted effect backward.
As shown in Figure 6; Perception handle pattern in the assistant mode; Mainly be forward travel state and the setback state of controlling the refrigerator complete machine through the perception handle, perception handle core mainly contains two parts and forms: 1, thrust or pull switch, the sensor of the different directions that promptly is provided with in the perception handle; Sensor over against the one side setting of refrigerator complete machine is a pulling force sensor, and is thrust pickup back to the sensor of refrigerator complete machine one side setting; 2, hall device (can produce different electric currents) according to the variation in magnetic field.
Is the current signal on the hall device through the perception handle with the size conversion of pulling force that receives or thrust; Current signal, is exported processing through the controller computing of MCU intelligent speed-regulating device with data signal and is finally become driving force by converting data signal into through A/D conversion on the MCU intelligent speed-regulating device.Thrust or pulling force are big more, and the driving power-assisted of output is big more.Such as when going up a slope, the perception handle perceives thrust and selects the output of thrust power-assisted, and the gradient is steep more, and the power that pushes away the refrigerator car is big more, and the current signal that the perception handle produces output is big more, and the driving force of output is just big more.
More than combine specific embodiment to describe know-why of the present invention.These are described just in order to explain principle of the present invention, and can not be interpreted as the restriction to protection domain of the present invention by any way.Based on the explanation here, those skilled in the art need not pay performing creative labour can associate other specific embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. portable refrigerator that has electric booster system; It is characterized in that; Should move refrigerator and comprise refrigerator complete machine and electric booster system, said electric booster system comprises control panel, perception handle, speed regulator and drive of motor executing agency, and wherein said control panel, perception handle are arranged on the push rod of said refrigerator complete machine sidepiece; Said drive of motor executing agency is arranged on the bottom of said refrigerator complete machine, and said speed regulator is arranged on the bottom of said refrigerator complete machine;
Said control panel, said perception handle are arranged on the push rod; Said perception handle is arranged on the both sides of said control panel and interconnects; Said control panel all is connected said speed regulator with said perception handle, and said speed regulator is connected to said drive of motor executing agency;
And in the said perception handle sensor is set, and is applied to the size of the thrust on the said perception handle through said sensor sensing.
2. the portable refrigerator that has electric booster system according to claim 1; It is characterized in that, three buttons that are respectively applied for control force aid system power switch, force aid system numerical value input pattern switch, force aid system perception handle mode switch are set on the said control panel at least.
3. the portable refrigerator that has electric booster system according to claim 1 is characterized in that, said drive of motor executing agency comprises wheel, and the motor that drives said wheel running, and said motor is through wiring connection speed regulator.
4. the portable refrigerator that has electric booster system according to claim 1 is characterized in that, the inner end of said perception handle is provided with sensor.
5. the portable refrigerator that has electric booster system according to claim 1 is characterized in that, the inner two ends of said perception handle all are provided with sensor, and said two sensors be separately positioned on back to a side in the face of the refrigerator complete machine.
6. according to claim 1 or 4 or 5 arbitrary described portable refrigerators that have electric booster system, it is characterized in that said sensor comprises pressure switch, magnet, spring and hall device; First end of said magnet connects pressure switch; Second end connects spring, and said hall device is arranged on second end near said magnet, so that magnet is positioned at the sensing range of hall device all the time; Said hall device one side is connecting said speed regulator through wiring; Said magnet is different with the relative position of said hall device, produces different magnetic signals, and said hall device is transferred to said speed regulator with the signal that different magnetic signals converts the resistance size into.
7. according to claim 1 or 3 or 6 arbitrary described portable refrigerators that have electric booster system, it is characterized in that said speed regulator is a MCU intelligent speed-regulating device.
8. one kind according to the arbitrary described control method that has the portable refrigerator of electric booster system of claim 1～7; It is characterized in that; Select artificial mode or assistant mode according to different road conditions; When selecting artificial mode, the power switch on the closing control panel, use manual work to carry out push-and-pull work this moment; When selecting assistant mode for use, open the power switch on the control panel, carry out power-assisted push-and-pull work; And said assistant mode is divided into two kinds, and a kind of is the numerical value input pattern, and promptly power-assisted numerical value is directly inputted on the control panel; Need open the numerical value load button this moment, closes perception handle button simultaneously; Another kind is a perception handle pattern, and promptly the direct perception power-assisted size of perception handle need be opened perception handle button this moment, closes the numerical value load button simultaneously.
9. the control method that has the portable refrigerator of electric booster system according to claim 8 is characterized in that, when the perception handle pattern in the employing assistant mode; Turn on the power switch, and then open perception handle button, close the numerical value load button simultaneously; This moment, the pressure switch of the sensor that the perception handle is inner was opened through the perception handle is applied active force, and active force acts on the magnet; Make magnet near hall device, various signals is passed to hall device, hall device produces different hall signals; And hall signal is passed to speed regulator, pass to electric machine actuating mechanism by speed regulator again and carry out push-and-pull work.
10. the control method that has the portable refrigerator of electric booster system according to claim 8 is characterized in that, when the numerical value input pattern in the employing assistant mode; Turn on the power switch; And then open the numerical value load button, close perception handle button simultaneously, the numerical value that input is predetermined; Control panel is passed to speed regulator with this numerical signal, passes to electric machine actuating mechanism by speed regulator again and carries out push-and-pull work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031496.XA CN102538335B (en) | 2012-02-13 | 2012-02-13 | Movable refrigerator with electric power system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210031496.XA CN102538335B (en) | 2012-02-13 | 2012-02-13 | Movable refrigerator with electric power system and control method thereof |
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| Publication Number | Publication Date |
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| CN102538335A true CN102538335A (en) | 2012-07-04 |
| CN102538335B CN102538335B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210031496.XA Active CN102538335B (en) | 2012-02-13 | 2012-02-13 | Movable refrigerator with electric power system and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017125004A1 (en) * | 2016-01-21 | 2017-07-27 | 丰唐物联技术（深圳）有限公司 | Automatic follow method for object-holding platform, and object-holding platform |
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| US4976448A (en) * | 1988-06-13 | 1990-12-11 | Right Products, Inc. | Mobile cooler chest and cooler chest support |
| JP2001228901A (en) * | 2000-02-18 | 2001-08-24 | Yamaha Motor Co Ltd | Sensor output adjusting method and electric assist device |
| US6502656B2 (en) * | 2000-08-04 | 2003-01-07 | John M. Weiss | Universally adaptable mobilized storage container |
| CN101018684A (en) * | 2004-09-09 | 2007-08-15 | 凯文毕尔 | Self propelled food and beverage receptacle |
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| US4724681A (en) * | 1986-12-11 | 1988-02-16 | Bartholomew Alan E | Portable, wheeled cooler apparatus |
| US4976448A (en) * | 1988-06-13 | 1990-12-11 | Right Products, Inc. | Mobile cooler chest and cooler chest support |
| JP2001228901A (en) * | 2000-02-18 | 2001-08-24 | Yamaha Motor Co Ltd | Sensor output adjusting method and electric assist device |
| US6502656B2 (en) * | 2000-08-04 | 2003-01-07 | John M. Weiss | Universally adaptable mobilized storage container |
| CN101018684A (en) * | 2004-09-09 | 2007-08-15 | 凯文毕尔 | Self propelled food and beverage receptacle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017125004A1 (en) * | 2016-01-21 | 2017-07-27 | 丰唐物联技术（深圳）有限公司 | Automatic follow method for object-holding platform, and object-holding platform |
| CN106990775A (en) * | 2016-01-21 | 2017-07-28 | 丰唐物联技术（深圳）有限公司 | The automatic follower method and article carrying platform of article carrying platform |
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| CN102538335B (en) | 2015-04-22 |
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