CN104460697A - Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode - Google Patents
Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode Download PDFInfo
- Publication number
- CN104460697A CN104460697A CN201410603323.XA CN201410603323A CN104460697A CN 104460697 A CN104460697 A CN 104460697A CN 201410603323 A CN201410603323 A CN 201410603323A CN 104460697 A CN104460697 A CN 104460697A
- Authority
- CN
- China
- Prior art keywords
- signal
- value
- voltage
- electric
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a method and device for achieving return of an electric lifting table when an obstruction is encountered through a current dual-filter mode. The electric lifting table is driven by a motor to be lifted. The method comprises the following steps that a, signals of currents flowing through the motor are obtained and converted into voltage signals; b, the voltage signals are filtered; c, operation is carried out on voltage values of the filtered voltage signals to obtain comparison values; d, the comparison values and set values are compared to make a decision to control forward and reverse rotation of the motor. Cost is low, reliability is high, the structure is simple, and sensitivity is adjustable.
Description
Technical field
The present invention relates to the two filtering mode of a kind of electric current to realize electric elevatable table and to be hampered the method for rollback and device.
Background technology
Electric elevatable table is hampered Backward Function mainly in order to avoid electric elevatable table is in lifting process, desktop top bad or damage other article by pressure, device designs, this design can reduce to the full extent because being elevated the unexpected loss that causes and injury.Traditional electric elevatable table realizes the lifting rollback that is hampered need increase sensor or foil gauge in mechanism, by the changing value of the electric signal of microprocessor detect sensor or foil gauge, realizes loading rollback.Adopt aforesaid way to have 2 shortcomings, the 1st shortcoming is the sensitivity for improving the rollback that is hampered, and need adopt high-precision sensor or foil gauge, high-precision sensor and foil gauge complex manufacturing technology, and expensive.2nd shortcoming is that the installation of sensor and foil gauge exists difficulty, first installation site must be chosen to be at same table be hampered after the place that is correctly transmitted to of pressure energy, otherwise the rollback sensitivity that is hampered of system can affect by very large; Secondly when same table is normally elevated, need guarantee do not have extra power to pass on sensor or foil gauge, otherwise there will be the phenomenon loading rollback wrong report.
Summary of the invention
Technical matters to be solved by this invention is to provide the two filtering mode of a kind of electric current to realize electric elevatable table to be hampered the method for rollback and device.
For solving above-mentioned existing technical matters, the present invention adopts following scheme: the two filtering mode of a kind of electric current realizes electric elevatable table and to be hampered the method for rollback, and described electric elevatable table is elevated by driven by motor, said method comprising the steps of:
Step a, acquisition flow through the current signal of motor and convert voltage signal to;
Step b, filtering process is carried out to described voltage signal;
Step c, gather filtering process after the magnitude of voltage of voltage signal carry out calculation process after obtain fiducial value;
Steps d, fiducial value to be compared with setting value, make the judgement controlling machine operation.
As preferably, the arithmetic processing method in described step c comprises the following steps:
Step one, gather filtering process after the magnitude of voltage of voltage signal obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N > 2;
Step 2, repetition step one obtain X and value for X time, X > 2;
Step 3, cast out maximal value in X and value and minimum value, obtain all the other mean value U with value;
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1;
Step 5, acquisition U
1with the difference △ U of U as fiducial value.
As preferably, in described step c, after first signal amplification being carried out to the voltage signal after filtering process, gather magnitude of voltage again.
Simultaneously, present invention also offers the two filtering mode of a kind of electric current to realize electric elevatable table and to be hampered the device of rollback, described electric elevatable table is elevated by driven by motor, described device comprises current sampling circuit, signal hardware filtering circuit, signal amplification circuit and single-chip microcomputer, described motor is electrically connected with single-chip microcomputer and by the work of control, described motor, current sampling circuit, signal hardware filtering circuit, signal amplification circuit and single-chip microcomputer are electrically connected successively, described single-chip microcomputer has current signal software filtering module and logic decision module, flow to logic decision module after the electric signal that signal amplification circuit inputs by described collection current signal software filtering module carries out calculation process to carry out judging and then realize Single-chip Controlling machine operation.
As preferably, described current sampling circuit comprises sampling resistor, and described sampling resistor one end is connected with motor, other end ground connection, and described signal hardware filtering circuit one end is connected between motor and sampling resistor.
As preferably, described signal hardware filtering circuit is the RC filter rectifier be made up of resistance I and electric capacity I, described resistance I one end and electric capacity I are connected, the other end is connected between motor and sampling resistor, described electric capacity I other end ground connection, described signal amplification circuit one end is connected between resistance I and electric capacity I.
As preferably, described signal hardware filtering circuit also comprises stabilivolt, the positive pole of described stabilivolt is in parallel with the earth terminal of electric capacity I, negative pole is connected with resistance I, and described signal amplification circuit is connected to one end between resistance I and electric capacity I between resistance I and stabilivolt.
As preferably, described signal amplification circuit comprises amplifier, resistance II, resistance III, resistance IV and electric capacity II, 3 pin of described amplifier are connected between resistance I and electric capacity I, described resistance IV one end is connected with 1 pin of amplifier, the other end is connected with single-chip microcomputer, described resistance III one end is connected with 2 pin of amplifier, the other end is connected between resistance IV and 1 pin of amplifier, described electric capacity II one end ground connection, the other end is connected between resistance IV and single-chip microcomputer, described resistance II one end is connected between resistance III and 2 pin of amplifier, the other end is connected with the earth terminal of electric capacity II.
As preferably, the using method of described device comprises the following steps:
The acquisition of step a, current collection circuit flows through the current signal of motor and converts voltage signal to,
Step b, signal filter circuit carry out filtering process to described voltage signal,
Voltage signal after signal filter circuit filters by step c, signal amplification circuit carries out amplification and is supplied to single-chip microcomputer,
Fiducial value is obtained after the magnitude of voltage of the voltage signal after the current signal software filtering module acquires filtering process of steps d, single-chip microcomputer carries out calculation process,
Fiducial value compares with setting value by the logic decision module of step e, single-chip microcomputer, makes the judgement controlling machine operation;
In described steps d, the arithmetic processing method of current signal software filtering module comprises the following steps:
Step one, the magnitude of voltage gathering the port voltage that single-chip microcomputer is connected with signal amplification circuit obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N > 2,
Step 2, repetition step one obtain X and value for X time, X > 2,
Step 3, cast out maximal value in X and value and minimum value, obtain all the other mean value U with value,
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1,
Step 5, acquisition U
1with the difference △ U of U as fiducial value.
Beneficial effect:
The two filtering mode of a kind of electric current that the present invention adopts technique scheme to provide realizes electric elevatable table and to be hampered the method for rollback and device, has the following advantages:
1, cost is low: adopt the two filtering mode of electric current, only need be sampled by hardware current, single-chip microcomputer that filtering, amplifying circuit and 18 bit strip AD sample just can realize, and cost is far below the price of sensor and foil gauge.
2, reliability is high: adopt the two filtering mode of electric current, by arranging the parameter of resistance and electric capacity in hardware filtering circuit, and by the mode of writing and adjust software filtering in Single Chip Microcomputer (SCM) program and scope, successfully can collect the changing value of electric current when electric elevatable table is hampered, the simultaneously changing value of same table electric current in filtering normal course of operation, realizes same table reliably and to be hampered Backward Function.
3, structure is simple: adopt the two filtering mode of electric current, only need on same table current of electric loop, a sampling resistor of connecting just can realize the sampling of electric current, without the need to considering force way and the field of load of same table, without the need to consider same table be stressed after the conduction of power and decay, without the need to changing the original drive mechanism of same table.
4, sensitivity is adjustable: adopt the two filtering mode of electric current, be hampered the sensitivity of rollback by software control, can by amendment software, adjustment same table is hampered the sensitivity of rollback, therefore the usable range of this technology is expanded, by regulating sensitivity, this technology can be made to be applied to the electric lifting mechanism of different structure, pattern.
5, power supply power consumption is low: adopt sensor or foil gauge mechanism, because sensor and foil gauge belong to active device, needs moment electric consumption normally to work; Adopt the two filtering mode of electric current, because sampling section completes primarily of sampling resistor, when same table does not carry out descending operation, electric motor loop do not have electric current, therefore sampling resistor not electric consumption, thus adopt the two filtering mode of electric current than adopting sensor/foil gauge mode power saving more, environmental protection.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is circuit diagram of the present invention.
Embodiment
Embodiment one:
The two filtering mode of electric current realizes electric elevatable table and to be hampered the method for rollback, and electric elevatable table drives lifting by motor 1, and the method comprises the following steps:
Step a, acquisition flow through the current signal of motor 1 and convert voltage signal to;
Step b, filtering process is carried out to voltage signal;
Step c, gather filtering process after the magnitude of voltage of voltage signal carry out calculation process after obtain fiducial value;
Steps d, fiducial value to be compared with setting value, make the judgement controlling motor 1 rotating.
Arithmetic processing method in step c comprises the following steps:
Step one, gather filtering process after the magnitude of voltage of voltage signal obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N > 2;
Step 2, repetition step one obtain X and value for X time, X > 2;
Step 3, cast out maximal value in X and value and minimum value, obtain all the other mean value U with value;
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1;
Step 5, acquisition U
1with the difference △ U of U as fiducial value.
In step c, after first signal amplification being carried out to the voltage signal after filtering process, gather magnitude of voltage again.
Embodiment two:
As shown in Fig. 1 to 2, the two filtering mode of a kind of electric current realizes electric elevatable table and to be hampered the device of rollback, electric elevatable table drives lifting by motor 1, device comprises current sampling circuit 2, signal hardware filtering circuit 3, signal amplification circuit 4 and single-chip microcomputer 5, motor 1 is electrically connected with single-chip microcomputer and by the work of control, motor 1, current sampling circuit 2, signal hardware filtering circuit 3, signal amplification circuit 4 and single-chip microcomputer are electrically connected successively, single-chip microcomputer has current signal software filtering module 6 and logic decision module 7, gather and to flow to logic decision module 7 after electric signal that signal amplification circuit 4 inputs by current signal software filtering module 6 carries out calculation process and carry out judging and then realize Single-chip Controlling motor 1 and work.Current sampling circuit 2 comprises sampling resistor R1, sampling resistor R1, and one end is connected with motor 1, other end ground connection, and signal hardware filtering circuit 3 one end is connected between motor and sampling resistor.Signal hardware filtering circuit 3 comprises the RC filter rectifier and stabilivolt Z1 that are made up of resistance I R2 and electric capacity I C1, resistance I R2 one end and electric capacity I C1 connect, the other end is connected between motor and sampling resistor, electric capacity I C1 other end ground connection, signal amplification circuit 4 one end is connected between resistance I R2 and electric capacity I C1, the positive pole of stabilivolt Z1 is in parallel with the earth terminal of electric capacity I C1, negative pole is connected with resistance I R2, and signal amplification circuit 4 is connected to one end between resistance I R2 and electric capacity I C1 between resistance I R2 and stabilivolt Z1.Signal amplification circuit 4 comprises amplifier U1, resistance II R3, resistance III R4, resistance IV R5 and electric capacity II C2, 3 pin of amplifier U1 are connected between resistance I R2 and electric capacity I C1, resistance IV R5 one end is connected with 1 pin of amplifier U1, the other end is connected with single-chip microcomputer, resistance III R4 one end is connected with 2 pin of amplifier U1, the other end is connected between resistance IV R5 and 1 pin of amplifier U1, electric capacity II C2 one end ground connection, the other end is connected between resistance IV R5 and single-chip microcomputer, resistance II R3 one end is connected between resistance III R4 and 2 pin of amplifier U1, the other end is connected with the earth terminal of electric capacity II C2.
The using method of this device comprises the following steps:
The acquisition of step a, current collection circuit flows through the current signal of motor 1 and converts voltage signal to,
Step b, signal filter circuit carry out filtering process to voltage signal,
Voltage signal after signal filter circuit filters by step c, signal amplification circuit 4 carries out amplification and is supplied to single-chip microcomputer,
Fiducial value is obtained after the magnitude of voltage of the voltage signal after the current signal software filtering module 6 of steps d, single-chip microcomputer gathers filtering process carries out calculation process,
Fiducial value compares with setting value by the logic decision module 7 of step e, single-chip microcomputer, makes the judgement controlling motor 1 rotating.
In use procedure, electric elevatable table is when rising or decline, electric current flows to earth terminal after motor, due to sampling resistor R1 that electric motor loop has been connected, after sampling resistor R1 collects current signal, current signal is converted to voltage signal, be transported in electric signal hardware filtering circuit, wherein resistance R2 and electric capacity C1 forms RC filter rectifier, according to different RC choosing values, this partial circuit filters out part interference and clutter in sampled signal, and stabilivolt Z1 carries out voltage stabilizing to sampled voltage, filters out excessive undesired signal.The effect of the electric signal hardware filtering circuit be made up of R2, C1, Z1 is that electric signal is carried out filtering arrangement, some paroxysmal interference electric signal of filtering, arranges the electric signal of some irregularities of leveling, then the electric signal after process is transported to signal amplification circuit.After 3rd pin of amplifier U1 receives the signal of filtering circuit conveying; signal is carried out amplification process; wherein resistance R3 and R4 determines the enlargement factor of signal; can adjust according to the actual requirements; 1st pin of amplifier U1 exports the electric signal after amplifying; transfer signals in single-chip microcomputer current signal software filtering circuit, in circuit, the effect of R5 is the electric current that restriction is input to single-chip microcomputer, protection one-chip machine port.Current signal software filtering circuit can according in program to the algorithm of electric current, electric signal is recombinated, adds up, is screened, then signal is transported to single-chip microcomputer Logic judgment part.Single-chip microcomputer Logic judgment part, according to the comparative result of sampled value and setting value, is made the judgement of the rollback that whether will carry out being hampered, thus when sampled value exceedes setting value, is performed the Backward Function that is hampered.Concrete, in steps d, the arithmetic processing method of current signal software filtering module 6 comprises the following steps:
Step one, the magnitude of voltage gathering the port voltage that single-chip microcomputer is connected with signal amplification circuit 4 obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N >=2,
Step 2, repetition step one obtain X and value for X time, X >=2,
Step 3, adopt bubbling method to X and value by size order sort, cast out the maximal value in X and value and minimum value, obtain all the other mean value U with value,
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1,
Step 5, by U
1compare with U, obtain U
1with the difference △ U of U as fiducial value, if △ U is greater than setting value, then carry out being hampered rollback, if △ U is less than setting value, then by the value assignment of U1 to U, then repeat step one to step 3, again obtain once the mean value U of all the other and value
1;
Step 6, repetition step 5.
Wherein, digital n, x need to be obtained by actual debugging, adopt the object of above-mentioned flow process and algorithm to be described below: 1, by the summation of N number of sampled value, weaken the impact of indivedual extreme voltage on one group of sampled value, further filtering interfering and clutter; 2, by the sequence of X and value, screen, average, the voltage that filtering is obviously bigger than normal and less than normal, object obtains at certain section of more real motor current value of special time internal ratio, thus can get rid of in same table interference such as shaking, bounce; 3, use the same method and obtain mean value U1, and compare with U, situation of change and the variation tendency of electric current entirety in 2 periods of front and back can be reflected, thus rule of thumb judge whether column is hampered this situation in lifting process; 4, when judging after completing once judgement next time, current signal software filtering module 6 is by the value assignment of U1 to U, U1 resampling, and like this, twice judgement has continuity, and object ensures current sample, the continuity compared and real-time; 5, adopt above-mentioned steps to carry out successively sampling, calculate, compare, judge, thus significantly strengthen real-time and the reliability of the rollback that is hampered.
Claims (9)
1. the two filtering mode of electric current realizes electric elevatable table and to be hampered the method for rollback, and described electric elevatable table drives lifting by motor (1), it is characterized in that: said method comprising the steps of:
Step a, acquisition flow through the current signal of motor (1) and convert voltage signal to;
Step b, filtering process is carried out to described voltage signal;
Step c, gather filtering process after the magnitude of voltage of voltage signal carry out calculation process after obtain fiducial value;
Steps d, fiducial value to be compared with setting value, make the judgement controlling motor (1) and work.
2. the two filtering mode of a kind of electric current according to claim 1 realizes electric elevatable table and to be hampered the method for rollback, it is characterized in that: the arithmetic processing method in described step c comprises the following steps:
Step one, gather filtering process after the magnitude of voltage of voltage signal obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N > 2;
Step 2, repetition step one obtain X and value for X time, X > 2;
Step 3, cast out maximal value in X and value and minimum value, obtain all the other mean value U with value;
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1;
Step 5, obtain twice mean value U
1with the difference △ U of U as fiducial value.
3. the two filtering mode of a kind of electric current according to claim 1 and 2 realizes electric elevatable table and to be hampered the method for rollback, it is characterized in that: in described step c, gathers magnitude of voltage again after first carrying out signal amplification to the voltage signal after filtering process.
4. the two filtering mode of an electric current realizes electric elevatable table and to be hampered the device of rollback, described electric elevatable table drives lifting by motor (1), it is characterized in that: described device comprises current sampling circuit (2), signal hardware filtering circuit (3), signal amplification circuit (4) and single-chip microcomputer (5), described motor (1) is electrically connected with single-chip microcomputer and by the work of control, described motor (1), current sampling circuit (2), signal hardware filtering circuit (3), signal amplification circuit (4) and single-chip microcomputer are electrically connected successively, described single-chip microcomputer has current signal software filtering module (6) and logic decision module (7), described collection current signal software filtering module (6) flows to logic decision module (7) and carries out judging and then realize Single-chip Controlling motor (1) work after the electric signal that signal amplification circuit (4) inputs is carried out calculation process.
5. the two filtering mode of a kind of electric current according to claim 4 realizes electric elevatable table and to be hampered the device of rollback, it is characterized in that: described current sampling circuit (2) comprises sampling resistor (R1), described sampling resistor (R1), one end is connected with motor (1), other end ground connection, and described signal hardware filtering circuit (3) one end is connected between motor and sampling resistor.
6. the two filtering mode of a kind of electric current according to claim 5 realizes electric elevatable table and to be hampered the device of rollback, it is characterized in that: described signal hardware filtering circuit (3) is the RC filter rectifier be made up of resistance I (R2) and electric capacity I (C1), described resistance I (R2) one end and electric capacity I (C1) series connection, the other end are connected between motor and sampling resistor, described electric capacity I (C1) other end ground connection, described signal amplification circuit (4) one end is connected between resistance I (R2) and electric capacity I (C1).
7. the two filtering mode of a kind of electric current according to claim 6 realizes electric elevatable table and to be hampered the device of rollback, it is characterized in that: described signal hardware filtering circuit (3) also comprises stabilivolt (Z1), the positive pole of described stabilivolt (Z1) is in parallel with the earth terminal of electric capacity I (C1), negative pole is connected with resistance I (R2), and described signal amplification circuit (4) one end be connected between resistance I (R2) and electric capacity I (C1) is positioned between resistance I (R2) and stabilivolt (Z1).
8. the two filtering mode of a kind of electric current according to claim 7 realizes electric elevatable table and to be hampered the device of rollback, it is characterized in that: described signal amplification circuit (4) comprises amplifier (U1), resistance II (R3), resistance III (R4), resistance IV (R5) and electric capacity II (C2), 3 pin of described amplifier (U1) are connected between resistance I (R2) and electric capacity I (C1), described resistance IV (R5) one end is connected with 1 pin of amplifier (U1), the other end is connected with single-chip microcomputer, described resistance III (R4) one end is connected with 2 pin of amplifier (U1), the other end is connected between 1 pin of resistance IV (R5) and amplifier (U1), described electric capacity II (C2) one end ground connection, the other end is connected between resistance IV (R5) and single-chip microcomputer, described resistance II (R3) one end is connected between 2 pin of resistance III (R4) and amplifier (U1), the other end is connected with the earth terminal of electric capacity II (C2).
9. the two filtering mode of a kind of electric current according to claim 4 realizes electric elevatable table and to be hampered the device of rollback, it is characterized in that: the using method of described device comprises the following steps:
The acquisition of step a, current collection circuit flows through the current signal of motor (1) and converts voltage signal to,
Step b, signal filter circuit carry out filtering process to described voltage signal,
Voltage signal after signal filter circuit filters by step c, signal amplification circuit (4) carries out amplification and is supplied to single-chip microcomputer,
Fiducial value is obtained after the magnitude of voltage of the voltage signal after the current signal software filtering module (6) of steps d, single-chip microcomputer gathers filtering process carries out calculation process,
Fiducial value compares with setting value by the logic decision module (7) of step e, single-chip microcomputer, makes the judgement controlling motor (1) and work;
In described steps d, the arithmetic processing method of current signal software filtering module (6) comprises the following steps:
Step one, the magnitude of voltage gathering the port voltage that single-chip microcomputer is connected with signal amplification circuit (4) obtain N number of magnitude of voltage for N time, obtain N number of magnitude of voltage and value, N > 2,
Step 2, repetition step one obtain X and value for X time, X >=1,
Step 3, cast out maximal value in X and value and minimum value, obtain all the other mean value U with value,
Step 4, repeat step one to step 3, obtain the mean value U of this time all the other and value
1,
Step 5, acquisition U
1with the difference △ U of U as fiducial value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603323.XA CN104460697A (en) | 2014-10-31 | 2014-10-31 | Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410603323.XA CN104460697A (en) | 2014-10-31 | 2014-10-31 | Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104460697A true CN104460697A (en) | 2015-03-25 |
Family
ID=52906917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410603323.XA Pending CN104460697A (en) | 2014-10-31 | 2014-10-31 | Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104460697A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771005A (en) * | 2015-04-13 | 2015-07-15 | 广东顶固集创家居股份有限公司 | Telescopic bed |
| CN104771004A (en) * | 2015-04-13 | 2015-07-15 | 广东顶固集创家居股份有限公司 | Telescopic bed with protection system |
| CN104832215A (en) * | 2015-04-24 | 2015-08-12 | 中南大学 | Method and system for safety information processing of mine tailing pond based on Zigbee technique |
| CN104958068A (en) * | 2014-11-28 | 2015-10-07 | 成都雷克尔科技有限公司 | Logic protection emitter coupling type double filtering precise reverse current resource temperature measurement system |
| CN106124983A (en) * | 2016-06-13 | 2016-11-16 | 宁波强生电机有限公司 | Be hampered testing circuit and the detection method that is hampered |
| CN106712858A (en) * | 2016-12-15 | 2017-05-24 | 山东大学 | Signal processing system and signal processing method |
| CN107357185A (en) * | 2017-08-30 | 2017-11-17 | 杭州为诺智能科技有限公司 | A kind of intelligent electric lift table control system and control method for realizing the protection that is hampered |
| CN107947119A (en) * | 2017-12-12 | 2018-04-20 | 宁波瑶泽智能科技有限公司 | A kind of electric elevatable table defense controls system |
| CN108132609A (en) * | 2016-12-26 | 2018-06-08 | 湖南省嘉嘉旺电器科技有限公司 | The lift control method and device against pressure of a kind of electric table |
| WO2018214194A1 (en) * | 2017-05-25 | 2018-11-29 | 嘉兴礼海电气科技有限公司 | Impact protection controller for electric height-adjustable desk |
| CN109031953A (en) * | 2018-07-26 | 2018-12-18 | 上海高适软件有限公司 | Electric elevatable table based on self study is hampered backing method and system and lifting device |
| CN109738684A (en) * | 2019-02-14 | 2019-05-10 | 浙江中控太阳能技术有限公司 | The current detection module and electric current detecting method of tower-type solar thermal power generating system |
| CN110262332A (en) * | 2019-06-13 | 2019-09-20 | 浙江理工大学 | A kind of electric elevatable table is hampered the method and device of rollback |
| CN111368718A (en) * | 2020-03-03 | 2020-07-03 | 浙江理工大学 | Method for judging blockage of electric lifting table by utilizing wavelet modulus maximum value |
| CN113109068A (en) * | 2021-04-21 | 2021-07-13 | 浙江理工大学 | Model-free biorthogonal spline wavelet resistance detection method for electric lifting table |
| WO2022166699A1 (en) * | 2021-02-08 | 2022-08-11 | 德沃康科技集团有限公司 | Control system for electric lifting desk, and electric lifting desk |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427391Y (en) * | 2000-06-14 | 2001-04-25 | 中国航空工业第六○九研究所 | Obstruction protection device |
| US20030052626A1 (en) * | 2000-03-20 | 2003-03-20 | Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg | Electromotive drive unit |
| CN101075129A (en) * | 2006-05-16 | 2007-11-21 | 新昌县捷昌医疗设备有限公司 | Intelligent driven controlling system |
| CN201202350Y (en) * | 2008-05-26 | 2009-03-04 | 上海电控研究所 | Automobile electric vehicle window control device |
| CN201259518Y (en) * | 2008-09-27 | 2009-06-17 | 福建省福州电业局 | Short circuit impedance test instrument |
| CN201270002Y (en) * | 2008-09-17 | 2009-07-08 | 嘉兴礼海机械高科技有限公司 | Electric regulating apparatus driver |
| CN201569705U (en) * | 2009-11-06 | 2010-09-01 | 国电龙源电气有限公司 | Monitoring device for ground wire resistance and current of distribution transformer |
| CN202150692U (en) * | 2011-07-18 | 2012-02-22 | 张福荣 | Automobile glass elevating switch and motor protector |
| US20120181968A1 (en) * | 2011-01-19 | 2012-07-19 | Kih-Utveckling Ab | Method for controlling operation of an electric motor in a height-adjustable furniture arrangement |
| US20120181118A1 (en) * | 2009-09-22 | 2012-07-19 | Jae Boo Choi | Device for displaying floor information of operating elevator using acceleration sensor |
| CN102635288A (en) * | 2012-01-06 | 2012-08-15 | 陈雅莹 | Ripple wave anti-clamping controller of car window and control method |
| CN103010060A (en) * | 2012-12-28 | 2013-04-03 | 常州市万翔车辆部件有限公司 | Automotive electric translational lifting table |
| CN203314391U (en) * | 2013-06-28 | 2013-12-04 | 浙江捷昌线性驱动科技股份有限公司 | Elevating table with safety device |
| CN103529790A (en) * | 2013-10-17 | 2014-01-22 | 浙江工业大学 | Lifting stage control device and control method |
-
2014
- 2014-10-31 CN CN201410603323.XA patent/CN104460697A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030052626A1 (en) * | 2000-03-20 | 2003-03-20 | Dewert Antriebs- Und Systemtechnik Gmbh & Co. Kg | Electromotive drive unit |
| CN2427391Y (en) * | 2000-06-14 | 2001-04-25 | 中国航空工业第六○九研究所 | Obstruction protection device |
| CN101075129A (en) * | 2006-05-16 | 2007-11-21 | 新昌县捷昌医疗设备有限公司 | Intelligent driven controlling system |
| CN201202350Y (en) * | 2008-05-26 | 2009-03-04 | 上海电控研究所 | Automobile electric vehicle window control device |
| CN201270002Y (en) * | 2008-09-17 | 2009-07-08 | 嘉兴礼海机械高科技有限公司 | Electric regulating apparatus driver |
| CN201259518Y (en) * | 2008-09-27 | 2009-06-17 | 福建省福州电业局 | Short circuit impedance test instrument |
| US20120181118A1 (en) * | 2009-09-22 | 2012-07-19 | Jae Boo Choi | Device for displaying floor information of operating elevator using acceleration sensor |
| CN201569705U (en) * | 2009-11-06 | 2010-09-01 | 国电龙源电气有限公司 | Monitoring device for ground wire resistance and current of distribution transformer |
| US20120181968A1 (en) * | 2011-01-19 | 2012-07-19 | Kih-Utveckling Ab | Method for controlling operation of an electric motor in a height-adjustable furniture arrangement |
| CN202150692U (en) * | 2011-07-18 | 2012-02-22 | 张福荣 | Automobile glass elevating switch and motor protector |
| CN102635288A (en) * | 2012-01-06 | 2012-08-15 | 陈雅莹 | Ripple wave anti-clamping controller of car window and control method |
| CN103010060A (en) * | 2012-12-28 | 2013-04-03 | 常州市万翔车辆部件有限公司 | Automotive electric translational lifting table |
| CN203314391U (en) * | 2013-06-28 | 2013-12-04 | 浙江捷昌线性驱动科技股份有限公司 | Elevating table with safety device |
| CN103529790A (en) * | 2013-10-17 | 2014-01-22 | 浙江工业大学 | Lifting stage control device and control method |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958068A (en) * | 2014-11-28 | 2015-10-07 | 成都雷克尔科技有限公司 | Logic protection emitter coupling type double filtering precise reverse current resource temperature measurement system |
| CN104771005A (en) * | 2015-04-13 | 2015-07-15 | 广东顶固集创家居股份有限公司 | Telescopic bed |
| CN104771004A (en) * | 2015-04-13 | 2015-07-15 | 广东顶固集创家居股份有限公司 | Telescopic bed with protection system |
| CN104832215A (en) * | 2015-04-24 | 2015-08-12 | 中南大学 | Method and system for safety information processing of mine tailing pond based on Zigbee technique |
| CN106124983A (en) * | 2016-06-13 | 2016-11-16 | 宁波强生电机有限公司 | Be hampered testing circuit and the detection method that is hampered |
| CN106712858A (en) * | 2016-12-15 | 2017-05-24 | 山东大学 | Signal processing system and signal processing method |
| CN106712858B (en) * | 2016-12-15 | 2019-01-18 | 山东大学 | A kind of signal processing system and signal processing method |
| CN108132609A (en) * | 2016-12-26 | 2018-06-08 | 湖南省嘉嘉旺电器科技有限公司 | The lift control method and device against pressure of a kind of electric table |
| WO2018214194A1 (en) * | 2017-05-25 | 2018-11-29 | 嘉兴礼海电气科技有限公司 | Impact protection controller for electric height-adjustable desk |
| US11271514B2 (en) | 2017-05-25 | 2022-03-08 | Dewertokin Technology Group Co., Ltd | Impact protection controller for electric height-adjustable desk |
| CN107357185A (en) * | 2017-08-30 | 2017-11-17 | 杭州为诺智能科技有限公司 | A kind of intelligent electric lift table control system and control method for realizing the protection that is hampered |
| CN107947119A (en) * | 2017-12-12 | 2018-04-20 | 宁波瑶泽智能科技有限公司 | A kind of electric elevatable table defense controls system |
| CN109031953A (en) * | 2018-07-26 | 2018-12-18 | 上海高适软件有限公司 | Electric elevatable table based on self study is hampered backing method and system and lifting device |
| CN109031953B (en) * | 2018-07-26 | 2021-10-15 | 上海高适软件有限公司 | Self-learning-based electric lifting table resistance-encountering rollback method and system and lifting equipment |
| CN109738684A (en) * | 2019-02-14 | 2019-05-10 | 浙江中控太阳能技术有限公司 | The current detection module and electric current detecting method of tower-type solar thermal power generating system |
| CN110262332A (en) * | 2019-06-13 | 2019-09-20 | 浙江理工大学 | A kind of electric elevatable table is hampered the method and device of rollback |
| CN111368718A (en) * | 2020-03-03 | 2020-07-03 | 浙江理工大学 | Method for judging blockage of electric lifting table by utilizing wavelet modulus maximum value |
| WO2022166699A1 (en) * | 2021-02-08 | 2022-08-11 | 德沃康科技集团有限公司 | Control system for electric lifting desk, and electric lifting desk |
| CN113109068A (en) * | 2021-04-21 | 2021-07-13 | 浙江理工大学 | Model-free biorthogonal spline wavelet resistance detection method for electric lifting table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104460697A (en) | Method and device for achieving return of electric lifting table when obstruction is encountered through current dual-filter mode | |
| CN207198238U (en) | Mains frequency detects circuit | |
| CN202583311U (en) | Alternating current zero-crossing detection circuit | |
| CN202586499U (en) | Intelligent arc detection device used for photovoltaic-power-station direct current side | |
| CN103605017A (en) | Detection method of vehicle switch quantity signal | |
| CN110262332A (en) | A kind of electric elevatable table is hampered the method and device of rollback | |
| CN104349532A (en) | LED (Light-Emitting Diode) constant-current driver and LED constant-current driving method | |
| CN102346478A (en) | Circuit and method for detecting failures in data acquisition of overall controller of automobile | |
| CN204633623U (en) | A kind of precise rectification circuit | |
| CN107462766B (en) | New method for detecting mains voltage and mains frequency and detection circuit | |
| CN206832896U (en) | A kind of three-phase power input phase-loss detection circuit | |
| CN202182911U (en) | Automatic gain regulating current detection circuit of low voltage soft starter | |
| CN202132263U (en) | Fan control circuit for power amplifier system | |
| CN202189120U (en) | Thyristor-controlled alternating-current (AC) switch detection circuit | |
| CN201514441U (en) | Current zero-crossing detection current circuit | |
| CN104391225A (en) | Fault detection and communication positioning method for transmission line | |
| CN103412186A (en) | Ring main unit current collecting device | |
| CN204928079U (en) | Current foldback circuit , power factor correction circuit and transducer air conditioning | |
| CN204405218U (en) | Wide region is powered Pt1000 temperature transmitter | |
| CN108414818A (en) | A kind of Acquisition Circuit and frequency converter for measuring high-frequency ac voltage | |
| CN100440122C (en) | Signal acquisition circuit | |
| CN205955726U (en) | A high temperature high accuracy fluviograph for geothermal well monitoring system | |
| CN205657665U (en) | Do not receive delay unit module that power influences | |
| CN104482947B (en) | Mining Multiple typed sensor signal transmitting circuit | |
| CN211089621U (en) | Digital processing circuit for output signal of coil type electromagnetic induction sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |