CN207502945U - A kind of intelligent electric lift table control system for realizing the protection that is hampered - Google Patents
A kind of intelligent electric lift table control system for realizing the protection that is hampered Download PDFInfo
- Publication number
- CN207502945U CN207502945U CN201721101531.5U CN201721101531U CN207502945U CN 207502945 U CN207502945 U CN 207502945U CN 201721101531 U CN201721101531 U CN 201721101531U CN 207502945 U CN207502945 U CN 207502945U
- Authority
- CN
- China
- Prior art keywords
- signal
- current
- hampered
- motor
- protection
- 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.)
- Active
Links
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
The utility model discloses a kind of intelligent electric lift table control system for realizing the protection that is hampered, including：Motor, for same table to be driven to lift；Current sampling circuit, for acquiring the current analog signal of the motor；Signal conditioning circuit, for the current analog signal that current sampling circuit acquires to be converted to current digital signal；Controller for the current digital signal of receiving signal reason circuit conveying, and controls the motor according to current digital signal.The utility model is in intelligent electric lift table lifting process; if encounter barrier; the motor of same table can be regulated and controled; to realize the protective effect that is hampered; the utility model can avoid or reduce to the full extent the loss of the favorite outer initiation of lifting process; and the utility model sensitivity is good, and the protecting effect that is hampered greatly improves.
Description
Technical field
The utility model belongs to electronic control technology field, and in particular to a kind of intelligent electric lift table control for realizing the protection that is hampered
System processed.
Background technology
Conventional intelligent elevated equipment does not have the function of the protection that is hampered, such as existing intelligent electric lift mostly at present
Table in intelligent electric lift table in lifting process, encounters obstacle and brings damage to intelligent electric lift table or obstacle.
In the prior art, if necessary to realize be hampered protection when, it usually needs increase external sensor in same table, then pass through
MCU microcontrollers detect the changing value of external sensor signal, and the driving mechanism of same table is controlled by MCU microcontrollers
System, so as to fulfill the function for the protection that is hampered.
It can be brought the problem of new by the way of above-mentioned installation external sensor, first, the installation of external sensor exists
Difficulty, installation site must select suitable place, and otherwise intelligent elevated table may often go out during normal lifting
The phenomenon that now reporting by mistake；Secondly, if to improve the high sensitivity for the protection that is hampered, high-precision sensor is needed, and it is high-precision
Sensor is at high price.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of intelligent electric lift table control for realizing the protection that is hampered
System in intelligent electric lift table lifting process, if encounter barrier, can regulate and control the motor of same table, with
Realization is hampered protective effect.
The technical solution of the utility model is：A kind of intelligent electric lift table control system for realizing the protection that is hampered, including：
Motor, for same table to be driven to lift；
Current sampling circuit, for acquiring the current analog signal of the motor；
Signal conditioning circuit, for the current analog signal that current sampling circuit acquires to be converted to current digital signal；
Controller for the current digital signal of receiving signal reason circuit conveying, and is controlled according to current digital signal
The motor.
Amplify electricity preferably, further including for the signal of current analog signal amplification for acquiring current sampling circuit
Road, the input terminal of the signal amplification circuit are connect with signal conditioning circuit signal.
Preferably, the signal conditioning circuit being connect with the output end signal of current sampling circuit is further included, the signal
The output terminal of modulate circuit and the input end signal of signal amplification circuit connect.
Preferably, the controller includes：
ADC signal acquisition module, for acquiring the current digital signal after signal conditioning circuit conversion；
Current operator module, for the current digital signal of acquisition progress calculation process have been obtained result of calculation value；
Be hampered protection judgment module, is stored with preset preset value, and will be handled via current operator module arithmetic
It obtains result of calculation value and is compared judgement with preset value；
Execution module, according to the multilevel iudge for the protection judgment module that is hampered as a result, the operating condition of control motor.
The intelligent electric lift table control method of the above-mentioned protection that is hampered, includes the following steps：
(A) current signal of motor is acquired by current sampling circuit；
(B) current analog signal is converted into current digital signal by signal conditioning circuit；
(C) preset value is preset, the current digital signal is subjected to calculation process, result of calculation value is obtained, will count
End value is calculated to be compared with preset value；
(D) judgement of control motor work is made according to comparison result.
In order to improve the intensity of signal, preferably, the current digital for converting signal conditioning circuit in the step (B)
Signal carries out signal amplification via signal amplification circuit.
To there are many calculation process modes of current digital signal in the utility model, wherein the step (C) includes：
(a) current digital signal after being amplified by ADC signal acquisition n times module acquisition via signal amplification circuit,
N number of sampled value is obtained, obtain N number of sampled value and value, and the average value of N number of sampled value is calculated to get to the electricity of motor
Flow valuve I0, wherein N ＞ 2；
(b) step (a) is repeated, obtains the current value I of motor1；
(c) I is calculated1With I0Difference, obtain current deviation value E；
(d) repeat step (a)~(c), continuously obtain M current deviation value E, ask for M current deviation value E's and value,
And the average value of M current deviation value E is calculated, obtain average value E1；
(e) it is compared E1 as the result of calculation value with preset value.
If had differences between result of calculation value and preset value, it was demonstrated that meet with obstruction object, so at this point, controller can be with
Start the operation of control signal control motor, so as to play the role of the protection that is hampered.
Compared with prior art, the beneficial effects of the utility model are embodied in：
The utility model is in intelligent electric lift table lifting process, can be to the electricity of same table if encounter barrier
Machine is regulated and controled, and is hampered protective effect with realizing, the utility model can avoid or to reduce lifting process to the full extent favorite
The loss of outer initiation, and the utility model sensitivity is good, and the protecting effect that is hampered greatly improves.
Description of the drawings
Fig. 1 is the signal connection diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model includes：Motor 1, for same table to be driven to lift；Current sampling circuit 2, is used for
Acquire the current analog signal of motor 1；Signal conditioning circuit 3, the current analog signal for current sampling circuit 2 to be acquired turn
It is changed to current digital signal；Controller, for the current digital signal that receiving signal reason circuit 3 conveys, and according to electric current number
Word signal control motor 1.
Also shown in FIG. 1, the utility model further includes to be put for the current analog signal for acquiring current sampling circuit 2
Big signal amplification circuit 4, the input terminal of signal amplification circuit 4 are connect with 3 signal of signal conditioning circuit.
As shown in Figure 1, controller includes in the utility model：ADC signal acquisition module 6, for acquiring signal condition electricity
Current digital signal after the conversion of road 3；Current operator module 7, for the current digital signal acquired to be carried out calculation process
Result of calculation value is obtained；Be hampered protection judgment module 8, is stored with preset preset value, and will be via current operator mould
7 calculation process of block obtains result of calculation value and is compared judgement with preset value；Execution module 9, according to the protection judgment module 8 that is hampered
Multilevel iudge as a result, control motor 1 operating condition.
Above-mentioned control system be hampered the intelligent electric lift table control method of protection, is included the following steps：
(A) current signal of motor 1 is acquired by current sampling circuit 2；
(B) current analog signal is converted into current digital signal by signal conditioning circuit 3, and by signal conditioning circuit
The current digital signal of 3 conversions carries out signal amplification via signal amplification circuit 4；
(C) preset value is preset, current digital signal is subjected to calculation process, obtains result of calculation value, is tied calculating
Fruit value is compared with preset value；
(D) judgement of the control work of motor 1 is made according to comparison result.
To there are many calculations of current digital signal in the utility model, such as calculation can in the utility model
To include the following steps：
(a) n times module is acquired by ADC signal to acquire via the current digital signal after the amplification of signal amplification circuit 4,
N number of sampled value is obtained, obtain N number of sampled value and value, and the average value of N number of sampled value is calculated to get to the electricity of motor 1
Flow valuve I0, wherein N ＞ 2；
(b) step a is repeated, obtains the current value I of motor 11；
(c) I is calculated1With I0Difference, obtain current deviation value E；
(d) repeat step a~c, continuously obtain M current deviation value E, ask for M current deviation value E's and value, and count
The average value of M current deviation value E is calculated, obtains average value E1；
(e) it is compared using E1 as result of calculation value with preset value.
If had differences between result of calculation value and preset value, it was demonstrated that meet with obstruction object, so at this point, controller can be with
Start the operation of control signal control motor, so as to play the role of the protection that is hampered.
Claims (3)
1. a kind of intelligent electric lift table control system for realizing the protection that is hampered, which is characterized in that including：
Motor (1), for same table to be driven to lift；
Current sampling circuit (2), for acquiring the current analog signal of the motor (1)；
Signal conditioning circuit (3), the current analog signal for current sampling circuit (2) to be acquired are converted to current digital letter
Number；
Controller for the current digital signal that receiving signal reason circuit (3) conveys, and controls institute according to current digital signal
State motor (1).
2. the intelligent electric lift table control system as described in claim 1 for realizing the protection that is hampered, which is characterized in that further include
For the signal amplification circuit (4) of current analog signal amplification for acquiring current sampling circuit (2), the signal amplification circuit
(4) input terminal is connect with signal conditioning circuit (3) signal.
3. the intelligent electric lift table control system as claimed in claim 1 or 2 for realizing the protection that is hampered, which is characterized in that institute
Controller is stated to include：
ADC signal acquisition module (6), for acquiring the current digital signal after signal conditioning circuit (3) conversion；
Current operator module (7), for the current digital signal of acquisition progress calculation process have been obtained result of calculation value；
Be hampered protection judgment module (8), is stored with preset preset value, and will be via current operator module (7) operation at
Reason obtains result of calculation value and is compared judgement with preset value；
Execution module (9), according to the multilevel iudge for the protection judgment module (8) that is hampered as a result, the operating condition of control motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721101531.5U CN207502945U (en) | 2017-08-30 | 2017-08-30 | A kind of intelligent electric lift table control system for realizing the protection that is hampered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721101531.5U CN207502945U (en) | 2017-08-30 | 2017-08-30 | A kind of intelligent electric lift table control system for realizing the protection that is hampered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502945U true CN207502945U (en) | 2018-06-15 |
Family
ID=62498343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721101531.5U Active CN207502945U (en) | 2017-08-30 | 2017-08-30 | A kind of intelligent electric lift table control system for realizing the protection that is hampered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207502945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-08-30 CN CN201721101531.5U patent/CN207502945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107357185A (en) | A kind of intelligent electric lift table control system and control method for realizing the protection that is hampered | |
| CN207502945U (en) | A kind of intelligent electric lift table control system for realizing the protection that is hampered | |
| CN103219705A (en) | Method and device for short circuit protection of half-bridge resonant converter | |
| CN107084164A (en) | A kind of anti-sticking pricker rock drilling control system | |
| CN1808285B (en) | High-precision analog-to-digital converter based on PGA and control method thereof | |
| CN103904770A (en) | Alternating current power supply and battery power supply switching control system and method | |
| CN110595340A (en) | High-voltage overhead transmission line sag detection system based on field intensity change and detection method thereof | |
| CN204464976U (en) | A kind of DC bus protective device | |
| CN106300657A (en) | A kind of control system based on earthing resistance cabinet | |
| CN208383944U (en) | Industrial robot controller busbar voltage detection circuit | |
| CN201143588Y (en) | Trolley walking and wire feeding digital control system | |
| CN203545361U (en) | Construction elevator monitoring device | |
| CN202611677U (en) | Control system of drilling machine and long spiral drilling machine with control system | |
| CN203696203U (en) | Wireless remote numerical control meter | |
| CN105471402B (en) | A kind of speed automatic gain control device and its control method | |
| CN101222131A (en) | On-line automatic control instrument for transformer core current | |
| CN209246947U (en) | A kind of nuclear power plant equipment knife switch door range unit | |
| CN208285143U (en) | A kind of motor block-proof rotary device of smart lock | |
| CN201974151U (en) | Position sensing device used for sodium cooled fast reactor fuel handling machine | |
| CN105656199B (en) | Automatic dynamic monitoring is digital to connect power transmission line | |
| CN202281929U (en) | Audio frequency intelligent transmitter | |
| CN205117695U (en) | Water pump controller | |
| CN201740848U (en) | Arc discharge monitoring system of electric power towers | |
| CN109661065A (en) | Control method based on automatic detection and the intelligence control system for adjusting power supply output | |
| CN104401878B (en) | A kind of multiaxis composite flooding tower machine control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |