CN105223848A - A kind of control method of dining table automatic rotation and system - Google Patents
A kind of control method of dining table automatic rotation and system Download PDFInfo
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- CN105223848A CN105223848A CN201510641430.6A CN201510641430A CN105223848A CN 105223848 A CN105223848 A CN 105223848A CN 201510641430 A CN201510641430 A CN 201510641430A CN 105223848 A CN105223848 A CN 105223848A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Abstract
The invention discloses a kind of control method and system of dining table automatic rotation, wherein, system comprises: it is characterized in that, comprise doppler radar module, digital processing unit, electric machine controller and electric rotating machine, wherein: described doppler radar module, couple with described digital processing unit, for outside electromagnetic signals, and echoed signal is processed; Described digital processing unit, couples with described doppler radar module and described electric machine controller, for receiving the echoed signal through described doppler radar module process, and sends instruction according to this echoed signal, thus controls described electric machine controller; Described electric machine controller, couples with described digital processing unit and described electric rotating machine, for controlling rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit; Described electric rotating machine, couples with described electric machine controller, for rotating by operation or stopping at described electric machine controller.By technical scheme of the present invention, when the people that has dinner stretches out one's hand and picks up food with chopsticks, namely dining table stops the rotation, and the people that conveniently has dinner has dinner, and promotes satisfaction of having dinner.
Description
Technical field
The present invention relates to table ware field, particularly relate to a kind of control method and system of dining table automatic rotation.
Background technology
Circular rotating dining table is that current catering industry commonly uses product.Lazy Susan divides according to mode of operation, mainly contains two kinds: one is manual rotation, and another kind is automatic rotation.Manual rotary dinner table needs to have dinner while people is at table and rotates dining table by hand, uses inconvenience.Relative to manual rotation, automatic rotating table is the high-end product in this series products, and when after startup dining table spinfunction, dining table and automatic rotation, rotate until close.Although automatic rotating table solves the shortcoming rotating dining table by hand, also there is the shortcoming of self.The people that has dinner is eating of complicated cuisine, and such as, time " Beijing roast duck " and so on, need to do it yourself to pin dining table, dining table is stopped the rotation, or assisted by other people, it is very inconvenient to use.
Summary of the invention
The present invention seeks to solve the awkward problem that in prior art, traditional dining table exists.
Technical solution problem of the present invention adopts following technical scheme: a kind of control system of dining table automatic rotation, it is characterized in that, comprise doppler radar module, digital processing unit, electric machine controller and electric rotating machine, wherein: described doppler radar module, couple with described digital processing unit, for outside electromagnetic signals, and echoed signal is processed, described digital processing unit, couple with described doppler radar module and described electric machine controller, for receiving the echoed signal through described doppler radar module process, and send instruction according to this echoed signal, thus described electric machine controller is controlled, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction of stopping the rotation, and described electric machine controller is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction starting and rotate, described electric machine controller, couples with described digital processing unit and described electric rotating machine, for controlling rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit, described electric rotating machine, couples with described electric machine controller, for rotating by operation or stopping at described electric machine controller.
Optionally, described doppler radar module comprises antenna, for outside electromagnetic signals, and is received echo by described antenna.
Optionally, described doppler radar module also comprises transmitter and sending and receiving separator, described sending and receiving separator and described transmitter and described antenna couple, and outwards sent, and receive described echoed signal by described antenna for the electromagnetic wave signal produced by transmitter by described antenna.
Optionally, described doppler radar module also comprises frequency mixer, low-pass filter, low frequency amplification shaping device and digital acquisition device, wherein: described frequency mixer, with described sending and receiving separator and described low pass filter coupled, for carrying out Frequency mixing processing to described echoed signal, obtain mixed frequency signal; Described low-pass filter, couples, for carrying out filtering to described mixed frequency signal with described frequency mixer and described low frequency amplification shaping device; Described low frequency amplification shaping device, couples with described low-pass filter and described digital acquisition device, for carrying out amplification shaping to filtered signal; Described digital acquisition device, couples with described digital processing unit and described low frequency amplification shaping device, for the signal after amplification shaping is carried out sampling collection, and the signal of collection is sent to described digital processing unit.
Optionally, described antenna is positioned on Lazy Susan, and described antenna is not with dial rotation.
Optionally, described Lazy Susan is positioned on dining table fixed station, and described fixed station couples dining table table pier, and described fixed station is positioned at above described dining table table pier.
Technical solution problem of the present invention adopts following technical scheme: a kind of control method of dining table automatic rotation, is characterized in that, comprising: the outside emitting electromagnetic wave of doppler radar module, and echoed signal is processed; Digital processing unit receives the echoed signal through described doppler radar module process, and send instruction according to this echoed signal, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction of stopping the rotation, and described electric machine controller is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction starting and rotate; Electric machine controller controls rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit; Electric rotating machine rotating by operation or stopping at described electric machine controller.
Optionally, described doppler radar module comprises antenna, for outside electromagnetic signals, and is received echo by described antenna.
Optionally, described doppler radar module also comprises the step that described echoed signal processes: the electromagnetic wave signal that transmitter produces outwards is sent by antenna by sending and receiving separator, and receives described echoed signal by described antenna.
Optionally, described doppler radar module also comprises the step that described echoed signal processes: frequency mixer carries out Frequency mixing processing to described echoed signal, obtains mixed frequency signal; Low-pass filter carries out filtering to described mixed frequency signal; Low frequency amplification shaping device carries out amplification shaping to filtered signal; Signal after amplification shaping is carried out sampling collection by digital acquisition device, and the signal of collection is sent to described digital processing unit.
The present invention has following beneficial effect:
Radar Doppler induction type automatic rotating table of the present invention can realize the effect that lazy Susan " is stretched out one's hand and namely stopped ": when the people that has dinner uses the present invention to have dinner, the action of picking up food with chopsticks of the people that has dinner is responded to radar Doppler, control dining table electric rotating machine, when the people that has dinner stretches out one's hand and picks up food with chopsticks, namely dining table stops the rotation, the people that conveniently has dinner has dinner, and promotes satisfaction of having dinner.
Compared with existing automatic rotating table, advantage of the present invention is: this product can be responded to the people that has dinner and to pick up food with chopsticks action, automatically stops dining table rotating, without the need to hand by stopping dining table, the people that conveniently has dinner has dinner.
Accompanying drawing explanation
Fig. 1 is the Control system architecture schematic diagram of described a kind of dining table automatic rotation of the present invention;
Fig. 2 is another structural representation of the control system based on dining table automatic rotation a kind of described in Fig. 1;
Fig. 3 is the control method process flow diagram of described a kind of dining table automatic rotation of the present invention.
In figure, mark is illustrated as:
301 ~ 304 steps;
101-doppler radar module; 102-digital processing unit; 103-electric machine controller; 104-electric rotating machine; 105-antenna; 106-transmitter; 107-sending and receiving separator; 108-frequency mixer; 109-low-pass filter; 110-low frequency amplification shaping device; 111-digital acquisition device; 201-Lazy Susan; 202-dining table fixed station; 203-dining table table pier.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is further elaborated.
As employed some vocabulary to censure specific components in the middle of instructions and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of instructions and claim is in the whole text an open language, therefore should be construed to " including but not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and indirectly electric property coupling means at this.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically coupled to described second device, or be indirectly electrically coupled to described second device by other devices or the means that couple.
For the ease of better understanding the present invention, part term is done following explaination by applicant spy, and this explaination, for explaining the application, does not form the improper restriction to the application.
Radar Doppler, has another name called pulse Doppler radar, is that a kind of Doppler effect that utilizes is to detect the radar of moving target speed of related movement.When wave source and observer have relative motion, the frequency that the wave frequency that observer receives and wave source are sent is different, and this phenomenon is called as Doppler effect.Wave source and observer close to each other time, the frequency that receives raises; When both leave mutually, then reduce.Radar Doppler is exactly a kind of pulsed radar utilizing this Doppler effect manufacture.
The principle of work of radar Doppler is: when the pulsating wave of radar emission one fixed frequency is to when around scanning, as run into moving target, and time wave frequency is poor with the transmitting wave frequency frequency of occurrences, and this difference on the frequency is Doppler frequency.According to the size of Doppler frequency, the diametrically movement velocity (note: radial direction refer to the direction of from round table around pointing to round table center) of target to radar can be calculated.
Embodiment 1
Present embodiments provide a kind of control system of dining table automatic rotation.Shown in Figure 1 is the specific embodiment of the control system of the application's dining table automatic rotation, and described in the present embodiment, system comprises: doppler radar module 101, digital processing unit 102, electric machine controller 103 and electric rotating machine 104, wherein:
Described doppler radar module 101, couples with described digital processing unit 102, for outside electromagnetic signals, and echoed signal is processed;
Described digital processing unit 102, couple with described doppler radar module 101 and described electric machine controller 103, for receiving the echoed signal processed through described doppler radar module 101, and send instruction according to this echoed signal, thus described electric machine controller 103 is controlled, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, the instruction of stopping the rotation is sent to described electric machine controller 103, and described electric machine controller 103 is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller 103 is sent to the instruction starting and rotate,
Described electric machine controller 103, couples with described digital processing unit 102 and described electric rotating machine 104, for controlling rotation and the stopping of electric rotating machine 104 according to the instruction of described digital processing unit 102;
Described electric rotating machine 104, couples with described electric machine controller 103, for rotating by operation or stopping at described electric machine controller 103.
Wherein, described doppler radar module 101 comprises antenna 105, for outside electromagnetic signals, and is received by described antenna 105 pairs of echoes.
Wherein, described doppler radar module 101 also comprises transmitter 106 and sending and receiving separator 107, described sending and receiving separator 107 couples with described transmitter 106 and described antenna 105, electromagnetic wave signal for being produced by transmitter 106 is outwards sent by described antenna 105, and receives described echoed signal by described antenna 105.
Wherein, described doppler radar module 101 also comprises frequency mixer 108, low-pass filter 109, low frequency amplification shaping device 110 and digital acquisition device 111, specific as follows:
Described frequency mixer 108, coupling with described sending and receiving separator 107 and described low-pass filter 109, for carrying out Frequency mixing processing to described echoed signal, obtaining mixed frequency signal;
Described low-pass filter 109, couples, for carrying out filtering to described mixed frequency signal with described frequency mixer 108 and described low frequency amplification shaping device 110;
Described low frequency amplification shaping device 110, couples with described low-pass filter 109 and described digital acquisition device 111, for carrying out amplification shaping to filtered signal;
Described digital acquisition device 111, couples with described digital processing unit 102 and described low frequency amplification shaping device 110, for the signal after amplification shaping is carried out sampling collection, and the signal of collection is sent to described digital processing unit 102.
Embodiment 2
Present embodiments provide a kind of control system of dining table automatic rotation.Shown in Figure 2 is another specific embodiment of the control system of the application's dining table automatic rotation, and described in the present embodiment, system comprises:
Antenna 105, is positioned on Lazy Susan 201, and described antenna is not with dial rotation;
Lazy Susan 201, couples with dining table fixed station 202, and is positioned on dining table fixed station 202;
Dining table fixed station 202, couples with dining table table pier 203, and is positioned on described dining table table pier 203.
Antenna in doppler radar module described in embodiment 1 is positioned on dining table, outside other parts are not intuitively presented at, when the people that has dinner stretch out one's hand pick up food with chopsticks time, in one's hands the moving radially of doppler radar module induction, control dining table electric rotating machine after treatment to stop the rotation, the people that conveniently has dinner picks up food with chopsticks, after time delay a period of time, electric rotating machine restarts to rotate, and drives dining table universal stage again to rotate.Or, when the people that has dinner stretch out one's hand pick up food with chopsticks time, radar induction close the moving radially to center in one's hands, control dining table electric rotating machine after treatment and stop the rotation, the people that conveniently has dinner picks up food with chopsticks.When the people that has dinner has stretched out one's hand, radar induction is in one's hands deeply have been moved radially, and controls dining table electric rotating machine after treatment and starts and rotate, drive dining table universal stage again to rotate.
Embodiment 3
Present embodiments provide a kind of control method of dining table automatic rotation.Shown in Figure 3 is the specific embodiment of the control method of the application's dining table automatic rotation, and described in the present embodiment, method comprises:
Step 301: the outside electromagnetic signals of doppler radar module, and echoed signal is processed;
Step 302: digital processing unit receives the echoed signal through described doppler radar module process, and send instruction according to this echoed signal, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction of stopping the rotation, and described electric machine controller is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction starting and rotate;
Step 303: electric machine controller controls rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit;
Step 304: electric rotating machine rotating by operation or stopping at described electric machine controller.
Wherein, described doppler radar module comprises antenna, for outside electromagnetic signals, and is received echo by described antenna.
Wherein, described doppler radar module also comprises the step that described echoed signal processes: the electromagnetic wave signal that transmitter produces outwards is sent by antenna by sending and receiving separator, and receives described echoed signal by described antenna.
Wherein, described doppler radar module also comprises the step that described echoed signal processes:
Frequency mixer carries out Frequency mixing processing to described echoed signal, obtains mixed frequency signal;
Low-pass filter carries out filtering to described mixed frequency signal;
Low frequency amplification shaping device carries out amplification shaping to filtered signal;
Signal after amplification shaping is carried out sampling collection by digital acquisition device, and the signal of collection is sent to described digital processing unit.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a control system for dining table automatic rotation, is characterized in that, comprises doppler radar module, digital processing unit, electric machine controller and electric rotating machine, wherein:
Described doppler radar module, couples with described digital processing unit, for outside electromagnetic signals, and echoed signal is processed;
Described digital processing unit, couple with described doppler radar module and described electric machine controller, for receiving the echoed signal through described doppler radar module process, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction of stopping the rotation, and described electric machine controller is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction starting and rotate;
Described electric machine controller, couples with described digital processing unit and described electric rotating machine, for controlling rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit;
Described electric rotating machine, couples with described electric machine controller, for rotating by operation or stopping at described electric machine controller.
2. the control system of dining table automatic rotation according to claim 1, is characterized in that, described doppler radar module comprises antenna, for outside electromagnetic signals, and is received echo by described antenna.
3. the control system of dining table automatic rotation according to claim 2, it is characterized in that, described doppler radar module also comprises transmitter and sending and receiving separator, described sending and receiving separator and described transmitter and described antenna couple, electromagnetic wave signal for being produced by transmitter is outwards sent by described antenna, and receives described echoed signal by described antenna.
4. the control system of dining table automatic rotation according to claim 3, is characterized in that, described doppler radar module also comprises frequency mixer, low-pass filter, low frequency amplification shaping device and digital acquisition device, wherein:
Described frequency mixer, with described sending and receiving separator and described low pass filter coupled, for carrying out Frequency mixing processing to described echoed signal, obtains mixed frequency signal;
Described low-pass filter, couples, for carrying out filtering to described mixed frequency signal with described frequency mixer and described low frequency amplification shaping device;
Described low frequency amplification shaping device, couples with described low-pass filter and described digital acquisition device, for carrying out amplification shaping to filtered signal;
Described digital acquisition device, couples with described digital processing unit and described low frequency amplification shaping device, for the signal after amplification shaping is carried out sampling collection, and the signal of collection is sent to described digital processing unit.
5. the control system of dining table automatic rotation according to claim 2, is characterized in that, described antenna is positioned on Lazy Susan, and described antenna is not with dial rotation.
6. the control system of dining table automatic rotation according to claim 5, is characterized in that, described Lazy Susan is positioned on dining table fixed station, and described fixed station couples dining table table pier, and described fixed station is positioned at above described dining table table pier.
7. a control method for dining table automatic rotation, is characterized in that, comprising:
The outside electromagnetic signals of doppler radar module, and echoed signal is processed;
Digital processing unit receives the echoed signal through described doppler radar module process, and send instruction according to this echoed signal, when the frequency of described echoed signal is greater than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction of stopping the rotation, and described electric machine controller is sent to the instruction starting and rotate after postponing certain hour, or when the frequency of described echoed signal is less than the frequency of described electromagnetic signals, described electric machine controller is sent to the instruction starting and rotate;
Electric machine controller controls rotation and the stopping of electric rotating machine according to the instruction of described digital processing unit;
Electric rotating machine rotating by operation or stopping at described electric machine controller.
8. the control method of dining table automatic rotation according to claim 7, is characterized in that, described doppler radar module comprises antenna, for outside electromagnetic signals, and is received echo by described antenna.
9. the control method of dining table automatic rotation according to claim 8, it is characterized in that, described doppler radar module also comprises the step that described echoed signal processes: the electromagnetic wave signal that transmitter produces outwards is sent by antenna by sending and receiving separator, and receives described echoed signal by described antenna.
10. the control method of dining table automatic rotation according to claim 9, is characterized in that, described doppler radar module also comprises the step that described echoed signal processes:
Frequency mixer carries out Frequency mixing processing to described echoed signal, obtains mixed frequency signal;
Low-pass filter carries out filtering to described mixed frequency signal;
Low frequency amplification shaping device carries out amplification shaping to filtered signal;
Signal after amplification shaping is carried out sampling collection by digital acquisition device, and the signal of collection is sent to described digital processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510641430.6A CN105223848A (en) | 2015-09-30 | 2015-09-30 | A kind of control method of dining table automatic rotation and system |
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| CN201510641430.6A CN105223848A (en) | 2015-09-30 | 2015-09-30 | A kind of control method of dining table automatic rotation and system |
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Application publication date: 20160106 |