CN217956982U - Multi-mode control circuit of single frequency converter of intelligent garage - Google Patents
Multi-mode control circuit of single frequency converter of intelligent garage Download PDFInfo
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- CN217956982U CN217956982U CN202222290929.5U CN202222290929U CN217956982U CN 217956982 U CN217956982 U CN 217956982U CN 202222290929 U CN202222290929 U CN 202222290929U CN 217956982 U CN217956982 U CN 217956982U
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Abstract
The utility model provides a multi-mode control circuit of a single frequency converter of an intelligent garage, which comprises a man-machine operation interface, a controller, a frequency converter, a lifting motor, a rotating motor and a translation motor; the human-computer operation interface is in communication connection with the controller, the frequency converter is in communication connection with the controller, and the lifting motor, the rotating motor and the translation motor are respectively connected with the frequency converter through a lifting contactor, a rotating contactor and a translation contactor; the control loops of the lifting contactor, the rotating contactor and the translation contactor are connected with the output end of the controller; the utility model discloses can realize the multi-mode control of converter, can be at reduce cost under the circumstances of guaranteeing the performance.
Description
Technical Field
The utility model belongs to the technical field of mechanical stereo garage, concretely relates to multi-mode control circuit of intelligence garage single converter.
Background
With the increasing living standard of people and the demand for the intelligent degree of equipment, more and more cities begin to build intelligent garages, so as to relieve the increasing parking pressure. However, each mechanism of the intelligent garage needs frequency conversion control, and various mechanisms do not operate simultaneously, so that the cost is high.
In the prior art, for example, a chinese utility model patent document with an authorization publication number of CN204302750U discloses an automatic control system for a stereo parking garage and a stereo parking garage; there is also the chinese utility model patent document with the publication number CN207339713U, which discloses a vector control system for intelligent mechanical garage bar code scanning and encoder positioning.
In the prior art, motors for driving a plurality of mechanisms which do not operate simultaneously respectively need a frequency converter for control, the cost is higher, and in order to reduce the cost as much as possible under the condition of ensuring the performance, garage manufacturers always seek a better technical scheme aiming at the difficult problems.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a reduce cost's intelligent garage single frequency converter's multi-mode control circuit and method under the condition that can guarantee the performance.
The technical scheme of the utility model is that: the multi-mode control circuit of the single frequency converter of the intelligent garage comprises a human-computer operation interface, a controller, a frequency converter, a lifting motor, a rotating motor and a translation motor; the human-computer operation interface is in communication connection with the controller, the frequency converter is in communication connection with the controller, and the lifting motor, the rotating motor and the translation motor are respectively connected with the frequency converter through a lifting contactor, a rotating contactor and a translation contactor; and the control loops of the lifting contactor, the rotating contactor and the translation contactor are connected with the output end of the controller.
The lifting motor is provided with a lifting motor band-type brake, the rotating motor is provided with a rotating motor band-type brake, and the translation motor is provided with a translation motor band-type brake; a lifting band-type brake contactor is connected on the lifting motor band-type brake in series, a rotating band-type brake contactor is connected on the rotating motor band-type brake in series, and a translation band-type brake contactor is connected on the translation motor band-type brake in series; the lifting band-type brake contactor, the rotating band-type brake contactor and the translation band-type brake contactor are all connected with the output end of the controller.
The lifting motor is connected with an encoder, and the encoder is connected with the frequency converter.
The lifting contactor, the rotating contactor and the translation contactor are interlocked.
A coil of the lifting contactor, a normally open contact of the lifting contactor, a normally closed contact of the rotating contactor and a normally closed contact of the translation contactor are connected into a first control loop; a coil of the rotating contactor, a normally open contact of the rotating contactor, a normally closed contact of the lifting contactor and a normally closed contact of the translation contactor are connected into a second control loop; a coil of the translation contactor, a normally open contact of the translation contactor, a normally closed contact of the rotating contactor and a normally closed contact of the lifting contactor are connected into a third control loop; the first control loop, the second control loop and the third control loop are connected in parallel.
The multi-mode control circuit of the intelligent garage single-frequency converter further comprises a starting button and an intermediate relay, wherein the starting button is connected with the normally open contact of the intermediate relay in parallel and then connected with the coil of the intermediate relay in series, and the first control loop, the second control loop and the third control loop are connected with the normally open contact of the intermediate relay in parallel and then connected with each other in parallel.
And the starting button is connected with an emergency stop button in series.
The controller is a PLC controller.
And the frequency converter is connected with the controller through a PROFINET communication protocol.
The utility model has the advantages that:
the utility model discloses in, the signal that human-computer interface sent is received to the controller, the controller promotes the contactor through output signal control, rotary contactor, translation contactor, indirect control promotes the motor, the rotating electrical machines, break-make between translation motor and the converter, according to the running state of intelligent garage, switch over and promote the motor, the rotating electrical machines, motor and converter switch-on in the translation motor, switch over into the control mode with corresponding motor looks adaptation with the control mode of converter in the switch-on, realize the multi-mode control of converter, can reduce cost under the circumstances of assurance performance.
Drawings
Fig. 1 is the utility model discloses well intelligent garage single frequency converter's multi-mode control circuit's functional block diagram.
Fig. 2 is the utility model discloses well intelligent garage single frequency converter's multi-mode control circuit's major loop circuit diagram.
Fig. 3 is one of the control loop circuit diagrams of the multi-mode control circuit of the single frequency converter of the intelligent garage.
Fig. 4 is the second control loop circuit diagram of the multi-mode control circuit of the single frequency converter of the intelligent garage.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not restrictive, unless specifically stated otherwise.
The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, the multi-mode control circuit of the single frequency converter of the intelligent garage comprises a human-computer operation interface, a controller, a frequency converter, a lifting motor, a rotating motor and a translation motor; the human-computer operation interface is in communication connection with the controller, the frequency converter is in communication connection with the controller, and the lifting motor, the rotating motor and the translation motor are respectively connected with the frequency converter through a lifting contactor, a rotating contactor and a translation contactor; and the control loops of the lifting contactor, the rotating contactor and the translation contactor are connected with the output end of the controller.
In the embodiment, the controller receives a signal sent by the human-computer interface, the controller controls the lifting contactor, the rotating contactor and the translation contactor through an output signal, the on-off of the lifting motor, the rotating motor and the translation motor and the frequency converter is indirectly controlled, the motors in the lifting motor, the rotating motor and the translation motor are switched to be switched on with the frequency converter according to the running state of the intelligent garage, and the control mode of the frequency converter is correspondingly switched to be matched with the corresponding motors while the motors are switched on, so that the multi-mode control of the frequency converter is realized, and the cost can be reduced under the condition of ensuring the performance.
Specifically, the control mode of the frequency converter is correspondingly switched into a closed-loop vector control mode, an open-loop vector control mode or a V/F control mode while the frequency converter is switched on, so that the multi-mode control of the frequency converter is realized; a closed-loop vector control mode is adopted for a lifting motor, high-precision positioning is required in the lifting process, and the speed is quickly adjusted; a closed-loop control mode is adopted for lifting operation, the running state of the motor can be fed back in real time through a lifting encoder, so that the high-precision positioning and the rapid speed adjustment can be realized, and factors which are difficult to predict or uncertain can be eliminated in the closed-loop control mode, so that the safety of a lifting system is ensured; the rotating motor adopts an open-loop vector control mode, the garage has relatively high requirement on the rotating positioning precision, and the equipment is designed into the open-loop vector control mode according to the cost performance; the translation motor adopts a V/F control mode, the garage has relatively low requirement on the positioning accuracy of the translation running mechanism, the V/F control mode can meet the use requirement, and the installation and debugging are simple.
In some embodiments, as shown in fig. 2, the lift motor has a lift motor band brake, the rotary motor has a rotary motor band brake, and the translation motor has a translation motor band brake; a lifting band-type brake contactor KM1-1 is connected on the lifting motor band-type brake in series, a rotating band-type brake contactor KM2-1 is connected on the rotating motor band-type brake in series, and a translation band-type brake contactor KM3-1 is connected on the translation motor band-type brake in series; the lifting band-type brake contactor KM1-1, the rotating band-type brake contactor KM2-1 and the translation band-type brake contactor KM3-1 are connected with the output end of the controller; specifically, a normally open contact of a lifting contracting brake contactor KM1-1 is connected in series on the lifting motor contracting brake, a normally open contact of a rotating contracting brake contactor KM2-1 is connected in series on the rotating motor contracting brake, and a normally open contact of a translation contracting brake contactor KM3-1 is connected in series on the translation motor contracting brake; the coil of the lifting band-type brake contactor KM1-1, the coil of the rotating band-type brake contactor KM2-1 and the coil of the translation band-type brake contactor KM3-1 are connected with the output end of the controller; when the lifting motor, the rotating motor or the translation motor is started, the controller outputs signals, corresponding lifting band-type brake contactors KM1-1, rotating band-type brake contactors KM2-1 and translation band-type brake contactors KM3-1 are switched on, and lifting motor band-type brakes, rotating motor band-type brakes or translation motor band-type brakes are released; when the lifting motor, the rotating motor or the translation motor stops, the controller stops outputting signals, corresponding lifting band-type brake contactors KM1-1, corresponding rotating band-type brake contactors KM2-1 and corresponding translation band-type brake contactors KM3-1 are disconnected, and the lifting motor band-type brake, the rotating motor band-type brake or the translation motor band-type brake is tightly held.
In some embodiments, the lifting motor is connected with an encoder, the encoder is connected with the frequency converter, the running position of the lifting motor is fed back through the encoder, and a closed-loop vector control mode of the frequency converter is matched, so that high-precision positioning and rapid speed adjustment can be realized; specifically, an encoder card is arranged on the frequency converter and connected with the encoder card, wherein the PG-B3 encoder card can be selected as the encoder card.
In some embodiments, as shown in fig. 3 and 4, the lifting contactor KM1, the rotating contactor KM2 and the translating contactor KM3 are interlocked, and the contactors are designed by an interlocked circuit, so that only one motor can be independently switched on at a time, and the reliability of the circuit is improved; further, a coil of the lifting contactor KM1, a normally open contact of the lifting contactor KM2, a normally closed contact of the rotating contactor KM2, and a normally closed contact of the translation contactor KM3 are connected to form a first control loop; a coil of the rotary contactor KM2, a normally open contact of the rotary contactor KM2, a normally closed contact of the lifting contactor KM1 and a normally closed contact of the translation contactor KM3 are connected to form a second control loop; a coil of the translation contactor KM3, a normally open contact of the translation contactor KM3, a normally closed contact of the rotation contactor KM2 and a normally closed contact of the lifting contactor KM1 are connected into a third control loop; the first control loop, the second control loop and the third control loop are connected in parallel; in the first control loop, after the coil of the lifting contactor KM1 is electrified through the output of the controller, the normally open contact of the lifting contactor KM1 is connected, the normally closed contact of the lifting contactor KM1 is disconnected, namely the second control loop and the third control loop are disconnected; in the second control loop, after the coil of the rotary contactor KM2 is electrified through the output of the controller, the normally open contact of the rotary contactor KM2 is connected, the normally closed contact of the rotary contactor KM2 is disconnected, namely the first control loop and the third control loop are disconnected; in the third control loop, after the coil of the translational contactor KM3 is electrified through the output of the controller, the normally open contact of the translational contactor KM3 is switched on, the normally closed contact of the translational contactor KM3 is switched off, namely, the first control loop and the second control loop are switched off.
In some embodiments, the multi-mode control circuit of the intelligent garage single-frequency converter further comprises a start button SB0 and an intermediate relay KA0, wherein the start button SB0 is connected in parallel with a normally open contact of the intermediate relay KA0 and then connected in series with a coil of the intermediate relay KA0, and the first control loop, the second control loop and the third control loop are connected in parallel and then connected in parallel with the normally open contact of the intermediate relay KA 0; the coil of the intermediate relay KA0 is electrified by pressing the start button SB0, the intermediate relay KA0 is always kept in an electrified state by closing the normally open contact of the intermediate relay KA0, and the first control loop, the second control loop and the third control loop are connected to two ends of the control power supply due to the fact that the normally open contact of the intermediate relay KA0 is closed.
In some embodiments, the start button SB0 is associated with an emergency stop button SB1, and pressing the emergency stop button SB1 can de-energize the coil of the intermediate relay KA0, and the normally open contact of the intermediate relay KA0 resets the open circuit.
As a specific embodiment of the controller, the controller is a PLC controller; the frequency converter and the controller are connected through a PROFINET communication protocol, the PROFINET communication protocol is an Ethernet-based technology, and therefore the frequency converter has the same characteristics as a standard Ethernet, such as full duplex, various topological structures and the like, the speed can reach hundreds of megabytes or gigabytes, and the mode conversion of the frequency converter can be controlled by rapidly sending commands.
The embodiment also discloses a multi-mode control method of the intelligent garage single frequency converter.
The multi-mode control method of the intelligent garage single frequency converter comprises the following steps: the multi-mode control circuit of the intelligent garage single frequency converter in any embodiment is adopted; the frequency converter receives the controller instruction and switches the controller instruction into a closed-loop vector control mode, an open-loop vector control mode or a V/F control mode; the controller connects the lifting motor, the rotating motor or the translation motor with the frequency converter according to different operation states of the garage; when the lifting motor is connected with the frequency converter, the frequency converter receives the controller instruction and switches to a closed-loop vector control mode; when the rotating motor is connected with the frequency converter, the frequency converter receives the controller instruction and switches to an open-loop vector control mode; when the translation motor is connected with the frequency converter, the frequency converter receives the controller command and switches to a V/F control mode.
In the embodiment, the lifting motor adopts a closed-loop vector control mode, the lifting process requires high-precision positioning, and the speed is quickly adjusted; the lifting operation adopts a closed-loop control mode, the running state of the motor can be fed back in real time through a lifting encoder, so that the high-precision positioning and the rapid speed regulation can be realized, and factors which are difficult to predict or uncertain can be eliminated in the closed-loop control mode to ensure the safety of a lifting system; the rotating motor adopts an open-loop vector control mode, the garage has relatively high requirement on the rotating positioning precision, and the equipment is designed into the open-loop vector control mode according to the cost performance; the translation motor adopts a V/F control mode, the garage has relatively low requirement on the positioning accuracy of the translation running mechanism, the V/F control mode can meet the use requirement, and the installation and debugging are simple.
Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A multi-mode control circuit of a single frequency converter of an intelligent garage is characterized by comprising a man-machine operation interface, a controller, a frequency converter, a lifting motor, a rotating motor and a translation motor;
the human-computer operation interface is in communication connection with the controller, the frequency converter is in communication connection with the controller, and the lifting motor, the rotating motor and the translation motor are respectively connected with the frequency converter through a lifting contactor, a rotating contactor and a translation contactor;
and the control loops of the lifting contactor, the rotating contactor and the translation contactor are connected with the output end of the controller.
2. The multi-mode control circuit of intelligent garage single-frequency converter of claim 1, characterized in that: the lifting motor is provided with a lifting motor band-type brake, the rotating motor is provided with a rotating motor band-type brake, and the translation motor is provided with a translation motor band-type brake; a lifting band-type brake contactor is connected on the lifting motor band-type brake in series, a rotating band-type brake contactor is connected on the rotating motor band-type brake in series, and a translation band-type brake contactor is connected on the translation motor band-type brake in series; the lifting band-type brake contactor, the rotating band-type brake contactor and the translation band-type brake contactor are all connected with the output end of the controller.
3. The multi-mode control circuit of intelligent garage single-frequency converter of claim 1, characterized in that: the lifting motor is connected with an encoder, and the encoder is connected with the frequency converter.
4. The multi-mode control circuit of intelligent garage single-frequency converter according to claim 1, characterized in that: the lifting contactor, the rotating contactor and the translation contactor are interlocked.
5. The multi-mode control circuit of an intelligent garage single-frequency converter according to claim 4, wherein: a coil of the lifting contactor, a normally open contact of the lifting contactor, a normally closed contact of the rotating contactor and a normally closed contact of the translation contactor are connected into a first control loop; a coil of the rotating contactor, a normally open contact of the rotating contactor, a normally closed contact of the lifting contactor and a normally closed contact of the translation contactor are connected into a second control loop; a coil of the translation contactor, a normally open contact of the translation contactor, a normally closed contact of the rotating contactor and a normally closed contact of the lifting contactor are connected into a third control loop; the first control loop, the second control loop and the third control loop are connected together in parallel.
6. The multi-mode control circuit of the intelligent garage single-frequency converter according to claim 5, further comprising a start button and an intermediate relay, wherein the start button is connected in parallel with a normally open contact of the intermediate relay and then connected in series with a coil of the intermediate relay, and the first control loop, the second control loop and the third control loop are connected in parallel and then connected in parallel with the normally open contact of the intermediate relay.
7. The multi-mode control circuit of intelligent garage single-frequency converter of claim 6, wherein: and the starting button is connected with an emergency stop button in series.
8. The multi-mode control circuit of intelligent garage single-frequency converter of claim 1, characterized in that: the controller is a PLC controller.
9. The multi-mode control circuit of intelligent garage single-frequency converter according to claim 1, characterized in that: the frequency converter is connected with the controller through a PROFINET communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290929.5U CN217956982U (en) | 2022-08-30 | 2022-08-30 | Multi-mode control circuit of single frequency converter of intelligent garage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290929.5U CN217956982U (en) | 2022-08-30 | 2022-08-30 | Multi-mode control circuit of single frequency converter of intelligent garage |
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| Publication Number | Publication Date |
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| CN217956982U true CN217956982U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222290929.5U Active CN217956982U (en) | 2022-08-30 | 2022-08-30 | Multi-mode control circuit of single frequency converter of intelligent garage |
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| CN (1) | CN217956982U (en) |
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- 2022-08-30 CN CN202222290929.5U patent/CN217956982U/en active Active
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Effective date of registration: 20230925 Address after: 450000 meters west of the intersection of Yangqiao Avenue and SAIC North Road, Jiulong Office, Zhengzhou Economic and Technological Development Zone, Henan Province Patentee after: Zhengzhou Weilai Automation Equipment Co.,Ltd. Address before: 450048 Henan Pilot Free Trade Zone Zhengzhou Area (Economic Development Zone) 2003, 20th Floor, Building 2, North Zhengshang Economic Development Plaza, East of the Ninth Street and Jingnan Second Road Patentee before: Henan Weihua Mechanical Engineering Research Institute Co.,Ltd. |