CN202925492U - Variable frequency torque barrier gate - Google Patents
Variable frequency torque barrier gate Download PDFInfo
- Publication number
- CN202925492U CN202925492U CN 201220586341 CN201220586341U CN202925492U CN 202925492 U CN202925492 U CN 202925492U CN 201220586341 CN201220586341 CN 201220586341 CN 201220586341 U CN201220586341 U CN 201220586341U CN 202925492 U CN202925492 U CN 202925492U
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- China
- Prior art keywords
- railing
- torque
- motor
- moment
- speed
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- 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.)
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Abstract
The utility model discloses a variable frequency torque barrier gate, which comprises a gear reducer, a four-quadrant converter and a motor, wherein the gear reducer is used for directly feeding back a resultant torque signal of the spring torque, the railing static torque and the railing running torque to a motor; the four-quadrant converter is used for calculating the output torque of the motor and the torque difference between a counterweight spring and a railing according to the feedback resultant torque signal, controlling the four-quadrant operation of the motor according to a calculation result and controlling the output torque of the motor to guarantee that the railing ascending speed and the railing descending speed of the railing are different; and the motor is used for outputting the railing running torque and applying the railing running torque to a transmission mechanism for driving the railing to run through the gear reducer. The variable frequency torque barrier gate can enable the railing ascending speed and the railing descending speed to be different, can meet the high-speed passage requirement, is safe, and can guarantee that the same machine core can be used by the railings with different lengths.
Description
Technical field
The utility model relates to the banister field, more specifically, relates to a kind of frequency conversion moment banister of arguing for the sake of arguing different with the bar speed that falls that makes.
Background technology
Banister also is car lug, is widely used at present the vehicles such as residential quarter, market, speedway current places.Development along with business activity, banister and railing are also as the carrier of billboard, because causing railing to damage the thing of changing, the vehicle drive error also can be found everywhere, but traditional banister is due to the reason of frame for movement and control circuit design, install billboard additional or random replacing railing seems normal behavior like this on railing, but can have a strong impact on the balance sysmte of frame for movement, increase the weight of the aging of barrier gate machine core, make banister scrap in advance.
The road brake structure mostly is alternating current generator at present, or direct current generator, coordinates the turbine and worm reduction box, adopts four-bar mechanism to realize speed change.This frame for movement restriction makes railing and spring balancing can not feed back to motor, can't know whether equilibrium problem occurred, and adopt power frequency to drive more, can't speed governing, make and argue for the sake of arguing and the bar speed that falls is all identical at every turn, can not make the speed of arguing for the sake of arguing higher than the speed of the bar that falls.In addition, also exist the different length railing must use the problem of different movements.
Based on foregoing description, need badly and want a kind of variable-frequency moment banister, make banister all automatic at any time, and it is different with the bar speed that falls to argue for the sake of arguing, namely satisfy at a high speed and pass through, take into account simultaneously safety, the different length railing can use identical movement.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of frequency conversion moment banister, argues for the sake of arguing and the different problem of bar speed that falls with solution.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of frequency conversion moment banister comprises:
Gear reduction unit is used for spring torque, railing statical moment, the required moment of railing operation directly fed back to motor with torque signals;
Four-quadrant frequency converter, according to the resultant moment signal that feeds back, to the output torque of motor, and the torque difference between counterweight spring and railing calculates; And control the motor four quadrant running according to result of calculation, and control the output torque of motor, guarantee that arguing for the sake of arguing of railing is different with the bar speed that falls;
Motor is used for the required moment of output railing operation, and this moment is applied on transmission mechanism by gear reduction unit, the operation of transmission mechanism and then drive railing.
As preferably, described gear reduction unit is first stage decelerator, and motor is rare-earth permanent-magnet electric machine.
As preferably, described primary gear speed reducing device is one-level spur gear reducer.
As preferably, described primary gear speed reducing device is the one-level helical gear reducer.
As preferably, the speed of arguing for the sake of arguing of described railing is greater than the bar speed that falls.
The beneficial effects of the utility model are, because the present invention has adopted gear reduction box, so can directly the feeding back on rare-earth permanent-magnet electric machine with torque signals of spring torque, railing statical moment, the railing required moment of operation; Again because Electric Machine Control adopts four-quadrant frequency converter, four-quadrant frequency converter can go out the output torque of motor and the torque difference between counterweight spring and railing according to the resultant moment calculated signals that feeds back on motor, and then adopt the four quadrant running vector converter to control according to result of calculation to motor, so control motor output torque that four-quadrant frequency converter can be slower, guarantee the speed of arguing for the sake of arguing of railing higher than the bar speed that falls of railing, guarantee the fast passing of vehicle.When adopting rare-earth permanent-magnet electric machine, then when coordinating primary gear speed reducing box, adopt frequency conversion control technique, can improve four-quadrant frequency converter output frequency peak value when arguing for the sake of arguing, railing is lifted fast, when falling bar, control railing and fall at a slow speed.Due to rare-earth permanent-magnet electric machine, moment is large, can use a movement to adapt to the different length railing under the cooperation of four-quadrant frequency converter.
Description of drawings
The structural representation of the frequency conversion moment banister that Fig. 1 provides for the utility model.
In figure:
1, motor; 2, gear reduction unit; 3, transmission mechanism; 4, railing; 5, counterweight spring.
The specific embodiment
Further illustrate the technical solution of the utility model below by the specific embodiment.
In the motion process of frequency conversion moment banister,
The dynamic moment of inertia formula of railing 4 is: J=1/3mL
2
The resultant moment formula is: M=J* β, and wherein β is angular acceleration,
In motion process, counterweight spring 5 moments are: Ms=K*L
2* cos (δ+t)
In motion process, the required moment of railing 4 is: M
l=1/2Ml
1Cost
The motion process equation is: Ms+M
Motor+ M
1=M
Be K*L
2* cos (δ+t)+M
Motor+ 1/2Ml
1Cost=1/3mL
2β
Can be found out by above formula, adopt gear reduction unit 2, the resultant moment of counterweight spring 5 moments, railing 4 statical moments, the railing 4 required moments of operation could directly feed back on drive motors 1, in above-mentioned running, equation could be set up, and the output torque of motor 1 could directly affect the operation of railing 4.
Guarantee that the speed of arguing for the sake of arguing of railing 4 or the bar speed that falls are not identical, the output torque of Frequency Converter Control motor 1 must be able to change, and namely guarantees to export high torque when railing 4 is argued for the sake of arguing, and has fast speed when arguing for the sake of arguing to guarantee railing 4; To guarantee that the moment of exporting can make bar speed less than the speed of arguing for the sake of arguing at railing 4 bar that falls.So Frequency Converter Control motor 1 must four quadrant running, that is to say that must adopt four-quadrant frequency converter that motor 1 is controlled just can realize above function.
In the life cycle of the product, because counterweight spring 5 is aging, the reasons such as mechanical wear cause new old product large to motor 1 moment size variation scope, the rare-earth permanent-magnet electric machine volume is little, torque density is large, coordinates first stage decelerator just can realize controlling that railing 4 is argued for the sake of arguing and the bar that falls has the different speeds of service.
Based on above description, the utility model adopts rare-earth permanent-magnet electric machine, then coordinates primary gear speed reducing box and four-quadrant frequency converter thereof, adopt frequency conversion control technique, can when arguing for the sake of arguing, improve four-quadrant frequency converter output frequency peak value, railing 4 is lifted fast, when falling bar, control railing 4 and fall at a slow speed.
Because the torque ratio of rare-earth permanent-magnet electric machine is larger, can also use a movement to adapt to the railing of different length under the cooperation of four-quadrant frequency converter.
Frequency conversion moment banister described in the utility model is divided into cabinet, movement, controller, four parts of railing from structure.Wherein cabinet and railing adopt in prior art existing.
Movement is comprised of transmission mechanism 3, primary gear speed reducing device and rare-earth permanent-magnet electric machine, and wherein primary gear speed reducing device and rare-earth permanent-magnet electric machine adopt integrated.Transmission mechanism 3 is connected on the primary gear speed reducing device, and the other end of transmission mechanism 3 is connected with railing 4, rare-earth permanent-magnet electric machine torque transmitting to the primary gear speed reducing device, by the primary gear speed reducing device and then drive the rotation of transmission mechanism 3.Wherein at the other end of transmission mechanism 3, namely an end relative with the link of railing 4, be connected with a counterweight spring 5.Wherein the primary gear speed reducing device can adopt one-level spur gear reducer, also can adopt the one-level helical gear reducer.
Controller adopts four-quadrant frequency converter, and four-quadrant frequency converter can reduce the energy loss of braking procedure, energy is reclaimed feed back, and reaches the effect of energy-saving and environmental protection.Four-quadrant frequency converter adopts four quadrant running vector converter control technology that rare-earth permanent-magnet electric machine is controlled, not only can accurately control the rare-earth permanent-magnet electric machine speed of service, and employing frequency conversion control technique, when arguing for the sake of arguing, improve four-quadrant frequency converter output frequency peak value, railing 4 is lifted fast, when falling bar, control railing 4 and fall at a slow speed.
In the present embodiment, can certainly adopt other motor, but match with the motor that adopts, the gear reduction unit that adopts also is necessary for multistage.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (5)
1. a frequency conversion moment banister, is characterized in that, comprising:
Gear reduction unit (2) is used for spring torque, railing statical moment, the required moment of railing operation directly fed back to motor (1) with torque signals;
Four-quadrant frequency converter, according to the resultant moment signal that feeds back, to the output torque of motor (1), and the torque difference between counterweight spring (5) and railing (4) calculates; And control motor (1) four quadrant running according to result of calculation, and control the output torque of motor (1), guarantee that arguing for the sake of arguing of railing (4) is different with the bar speed that falls;
Motor (1) is used for the required moment of output railing (4) operation, and this moment is applied on transmission mechanism (3) by gear reduction unit (2), the operation of transmission mechanism (3) and then drive railing (4).
2. frequency conversion moment banister according to claim 1, it is characterized in that: described gear reduction unit (2) is first stage decelerator, and motor (1) is rare-earth permanent-magnet electric machine.
3. frequency conversion moment banister according to claim 2, it is characterized in that: described primary gear speed reducing device is one-level spur gear reducer.
4. frequency conversion moment banister according to claim 2, it is characterized in that: described primary gear speed reducing device is the one-level helical gear reducer.
5. the described frequency conversion moment of according to claim 1 to 4 any one banister, it is characterized in that: the speed of arguing for the sake of arguing of described railing (4) is greater than the bar speed that falls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586341 CN202925492U (en) | 2012-11-08 | 2012-11-08 | Variable frequency torque barrier gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586341 CN202925492U (en) | 2012-11-08 | 2012-11-08 | Variable frequency torque barrier gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925492U true CN202925492U (en) | 2013-05-08 |
Family
ID=48215468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586341 Withdrawn - After Issue CN202925492U (en) | 2012-11-08 | 2012-11-08 | Variable frequency torque barrier gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202925492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926339A (en) * | 2012-11-08 | 2013-02-13 | 北京蓝卡软件技术有限公司 | Variable frequency torque floodgate |
-
2012
- 2012-11-08 CN CN 201220586341 patent/CN202925492U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926339A (en) * | 2012-11-08 | 2013-02-13 | 北京蓝卡软件技术有限公司 | Variable frequency torque floodgate |
| CN102926339B (en) * | 2012-11-08 | 2015-09-23 | 北京蓝卡软件技术有限公司 | A kind of variable frequency torque floodgate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130508 Effective date of abandoning: 20150923 |
|
| RGAV | Abandon patent right to avoid regrant |