CN213517923U - Vertical circulation circuit with redundancy function - Google Patents
Vertical circulation circuit with redundancy function Download PDFInfo
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- CN213517923U CN213517923U CN202022452711.6U CN202022452711U CN213517923U CN 213517923 U CN213517923 U CN 213517923U CN 202022452711 U CN202022452711 U CN 202022452711U CN 213517923 U CN213517923 U CN 213517923U
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- power supply
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- garage
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Abstract
The utility model provides a vertical circulation circuit with redundant function, which comprises an automatic control circuit, a conversion unit, a garage motor and a manual control circuit, wherein the conversion unit is connected with the automatic control circuit and the manual control circuit in a control way; the automatic control circuit comprises a PLC (programmable logic controller), a man-machine operation terminal, a frequency converter and an automatic power supply contactor, wherein the man-machine operation terminal is connected with the PLC, the PLC is connected with the automatic power supply contactor through the frequency converter, and the automatic power supply contactor is connected with the garage motor; the manual control circuit comprises a manual control unit and a forward and reverse rotating contactor, and the manual control unit is connected with the garage motor through the forward and reverse rotating contactor. The utility model has the advantages of fault-tolerant rate is high, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of mechanical stereo garage's control circuit and specifically relates to a perpendicular circulating circuit with redundant function has been related to.
Background
In the currently used vertical circulation intelligent mechanical stereo garage system, the motor is controlled to operate through the frequency converter so as to achieve the purposes of car placing and car taking, but once the frequency converter fails or is damaged, the use of the motor is affected, the car cannot be placed or taken, and the time of drivers and passengers is delayed.
Disclosure of Invention
In order to solve the problem existing in the background art, the utility model provides a vertical circulation circuit with redundant function.
A vertical circulation circuit with a redundancy function comprises an automatic control circuit, a conversion unit, a garage motor and a manual control circuit, wherein the conversion unit is in control connection with the automatic control circuit and the manual control circuit; the automatic control circuit comprises a PLC (programmable logic controller), a man-machine operation terminal, a frequency converter and an automatic power supply contactor, wherein the man-machine operation terminal is connected with the PLC, the PLC is connected with the automatic power supply contactor through the frequency converter, and the automatic power supply contactor is connected with the garage motor; the manual control circuit comprises a manual control unit and a forward and reverse rotating contactor, and the manual control unit is connected with the garage motor through the forward and reverse rotating contactor.
Based on the above, the conversion unit is a change-over switch.
Based on the above, the input end of the human-computer operation terminal is connected with the phase line through the normally closed contact of the conversion unit, and the output end of the human-computer operation terminal forms a loop through the coil of the automatic power contactor KM 1; the input end of the frequency converter is connected with a phase line, and the output end of the frequency converter is connected with the garage motor through a normally open contact of the automatic power supply contactor KM 1.
Based on the above, the manual control unit is a manual button, the manual button comprises a forward rotation button SB2 and a reverse rotation button SB3, one end of the forward rotation button SB2 and one end of the reverse rotation button SB3 are respectively connected with a phase line through a conversion unit, the other end of the forward rotation button SB2 sequentially passes through a normally closed contact of the reverse rotation contactor KM3 and a coil of the forward rotation contactor KM2 to form a loop, and the other end of the reverse rotation button SB3 sequentially passes through a normally closed contact of the forward rotation contactor KM2 and a coil of the reverse rotation contactor KM3 to form a loop; the garage motor is connected with a phase line through a normally open contact of the forward rotating contactor KM2 and a normally open contact of the reverse rotating contactor KM3 respectively.
Based on the above, a thermal relay is connected in series in the forward and reverse button control loop; and a thermal relay is also connected in series in the garage motor power supply loop.
Based on the above, the garage motor further comprises a contracting brake control circuit of the garage motor, wherein the contracting brake control circuit comprises a contactor KM4, one end of a coil of the contactor KM4 is connected with a phase line through a normally open contact of an automatic power supply contactor KM1, one end of a coil of the contactor KM4 is also connected with a manual control unit through normally open contacts of a forward and reverse rotating contactor, and the other end of the coil of the contactor KM4 is connected with a zero line; the brake of the garage motor forms a loop through the normally open contact of the contactor KM 4.
Based on the above, a group of normally closed contacts of the forward contactor KM2 and a group of normally closed contacts of the reverse contactor KM3 are sequentially connected in series between the output end of the human-computer operation terminal and the coil of the automatic power supply contactor KM 1.
Compared with the prior art, the utility model has substantive characteristics and progress, in particular to the utility model, a frequency converter connected through an automatic power supply contactor is connected on one loop of the garage brake motor, and a manual forward rotation contactor and a manual reverse rotation contactor are connected in parallel on the other loop to form two loops of automatic control and manual control; when the manual state is carried out, the automatic power supply contactor is disconnected, the forward rotation contactor and the reverse rotation contactor control the motor, the condition that the frequency converter is influenced in use when in fault is avoided, the fault tolerance rate is improved, and the use is more convenient.
Drawings
Fig. 1 is a block diagram schematically illustrating the structure of the present invention.
Fig. 2 is a schematic circuit diagram of the main control circuit of the present invention.
Fig. 3 is a schematic diagram of the circuit structure of the motor circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, a vertical circulation circuit with redundancy function includes an automatic control circuit, a switching unit, a garage motor and a manual control circuit, wherein the switching unit is connected to the automatic control circuit and the manual control circuit in a control manner; the automatic control circuit comprises a PLC (programmable logic controller), a man-machine operation terminal, a frequency converter and an automatic power supply contactor, wherein the man-machine operation terminal is connected with the PLC, the PLC is connected with the automatic power supply contactor through the frequency converter, and the automatic power supply contactor is connected with the garage motor; the manual control circuit comprises a manual control unit and a forward and reverse rotating contactor, and the manual control unit is connected with the garage motor through the forward and reverse rotating contactor.
When the garage is used, a control instruction is input to the PLC through the interpersonal operation terminal, and the PLC controls the forward and reverse rotation of the garage motor through the frequency converter, so that automatic control is realized. In practice, the human-machine operation terminal is a touch screen. When the frequency converter breaks down, the man-machine operation terminal is controlled by the conversion unit to disconnect the power supply, the manual control circuit is connected with the power supply, and the positive and negative rotation of the garage motor is manually controlled by the manual control unit and the positive and negative rotation contactor. In practice, the switching unit is a switch, and the manual control units are respectively a forward rotation button and a reverse rotation button.
Specifically, as shown in fig. 2 and 3, the input end of the human-computer operation terminal is connected with the phase line through the normally closed contact of the switching unit, and the output end of the human-computer operation terminal forms a loop through the coil of the automatic power contactor KM 1; the input end of the frequency converter is connected with a phase line, and the output end of the frequency converter is connected with the garage motor through a normally open contact of the automatic power supply contactor KM 1.
In practice, a group of normally closed contacts of the forward contactor KM2 and a group of normally closed contacts of the reverse contactor KM3 are connected in series between the output end of the human-machine operation terminal and the coil of the automatic power supply contactor KM 1.
Preferably, the manual control unit is a manual button, the manual button comprises a forward rotation button SB2 and a reverse rotation button SB3, one end of the forward rotation button SB2 and one end of the reverse rotation button SB3 are respectively connected with a phase line through a conversion unit, the other end of the forward rotation button SB2 sequentially passes through a normally closed contact of a reverse rotation contactor KM3 and a coil of a forward rotation contactor KM2 to form a loop, and the other end of the reverse rotation button SB3 sequentially passes through a normally closed contact of the forward rotation contactor KM2 and a coil of a reverse rotation contactor KM3 to form a loop; the garage motor is connected with a phase line through a normally open contact of the forward rotating contactor KM2 and a normally open contact of the reverse rotating contactor KM3 respectively.
In practice, the garage further comprises a contracting brake control circuit of the garage motor, the contracting brake control circuit comprises a contactor KM4, one end of a coil of the contactor KM4 is connected with a phase line through a normally open contact of an automatic power supply contactor KM1, one end of a coil of the contactor KM4 is also connected with a manual control unit through normally open contacts of a forward and reverse rotating contactor, and the other end of the coil of the contactor KM4 is connected with a zero line; the brake of the garage motor forms a loop through the normally open contact of the contactor KM 4.
Preferably, a thermal relay is connected in series in the forward and reverse button control loop; and a thermal relay is also connected in series in the garage motor power supply loop. The thermal relay FR1 has a protection function, and when the motor is overheated, the normally closed contact of the thermal relay FR1 is opened to break a loop, so that the safety of the motor is protected.
The working principle is as follows: under normal conditions, the normally closed contact of man-machine operation terminal T through change over switch SA1 connects the phase line, the normally closed contact of corotation contactor KM2 and the normally closed contact of reversal contactor KM3 are closed, automatic power supply contactor KM 1's coil circular telegram, automatic power supply contactor KM 1's normally open contact is closed, garage motor M3 switches on converter B through a set of normally open contact of automatic power supply contactor KM1, by converter B control garage motor. The PLC controller is controlled through the man-machine operation terminal and controls the garage motor through the frequency converter. When the frequency converter breaks down, the state is switched to a manual state through the conversion unit. That is, by means of the switch SA1, the normally closed contact of the switch SA1 is opened manually and the normally open contact of the switch SA1 is closed, the coil of the human-machine operation terminal T and the automatic power supply contactor KM1 is powered off, the normally open contact of the automatic power supply contactor KM1 is opened and the normally closed contact is closed, and the garage motor M3 is disconnected from the frequency converter. At this time, when forward rotation button SB2 is pressed, the coil of forward rotation contactor KM2 is energized, the normally closed contact of forward rotation contactor KM2 is opened and the normally open contact is closed, the coil of reverse rotation contactor KM3 is not energized at this moment, the normally open contact is opened, therefore, the coil of contactor KM4 connects the phase line through a set of closed normally open contact of forward rotation contactor KM2, the normally open contact of contactor KM4 is closed, the band-type brake is opened, garage motor M3 constitutes a return circuit through a set of closed normally open contact of forward rotation contactor KM2, and forward rotation is performed. In a similar way, when the reversal button SB3 is pressed, the coil circular telegram of reversal contactor KM3, the normally closed contact of reversal contactor KM3 is opened and the normally open contact is closed, the coil of reversal contactor KM2 does not circular telegram this moment, the normally open contact is opened, therefore, contactor KM 4's coil passes through a set of closed normally open contact of reversal contactor KM3 and connects the phase line, contactor KM 4's normally open contact is closed, the band-type brake is opened, garage motor M3 constitutes the return circuit through a set of closed normally open contact of reversal contactor KM3, reverse. In practice, the normally open contact of the switch SA1 is connected to the forward and reverse button through the normally closed contact of the automatic power contactor KM1, which further ensures that only one of the automatic control circuit and the manual control circuit is active at the same time.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A vertical circulation circuit with redundancy function, characterized in that: the garage automatic control system comprises an automatic control circuit, a conversion unit, a garage motor and a manual control circuit, wherein the conversion unit is in control connection with the automatic control circuit and the manual control circuit; the automatic control circuit comprises a PLC (programmable logic controller), a man-machine operation terminal, a frequency converter and an automatic power supply contactor, wherein the man-machine operation terminal is connected with the PLC, the PLC is connected with the automatic power supply contactor through the frequency converter, and the automatic power supply contactor is connected with the garage motor; the manual control circuit comprises a manual control unit and a forward and reverse rotating contactor, and the manual control unit is connected with the garage motor through the forward and reverse rotating contactor.
2. The vertical circulation circuit with redundancy function according to claim 1, wherein: the conversion unit is a change-over switch.
3. The vertical circulation circuit with redundancy function according to claim 1, wherein: the input end of the man-machine operation terminal is connected with a phase line through a normally closed contact of the conversion unit, and the output end of the man-machine operation terminal forms a loop through a coil of the automatic power supply contactor KM 1; the input end of the frequency converter is connected with a phase line, and the output end of the frequency converter is connected with the garage motor through a normally open contact of the automatic power supply contactor KM 1.
4. The vertical circulation circuit with redundancy function according to claim 1, wherein: the manual control unit is a manual button, the manual button comprises a forward rotation button SB2 and a reverse rotation button SB3, one end of the forward rotation button SB2 and one end of the reverse rotation button SB3 are respectively connected with phase lines through a conversion unit, the other end of the forward rotation button SB2 sequentially passes through a normally closed contact of a reverse rotation contactor KM3 and a coil of a forward rotation contactor KM2 to form a loop, and the other end of the reverse rotation button SB3 sequentially passes through a normally closed contact of the forward rotation contactor KM2 and a coil of a reverse rotation contactor KM3 to form a loop; the garage motor is connected with a phase line through a normally open contact of the forward rotating contactor KM2 and a normally open contact of the reverse rotating contactor KM3 respectively.
5. The vertical circulation circuit with redundancy function according to claim 4, wherein: a thermal relay is connected in series in the forward and reverse button control loop; and a thermal relay is also connected in series in the garage motor power supply loop.
6. The vertical circulation circuit with redundancy function according to claim 1, wherein: the garage motor further comprises a contracting brake control circuit of the garage motor, the contracting brake control circuit comprises a contactor KM4, one end of a coil of a contactor KM4 is connected with a phase line through a normally open contact of an automatic power supply contactor KM1, one end of a coil of the contactor KM4 is also connected with a manual control unit through normally open contacts of a forward and reverse rotating contactor, and the other end of the coil of the contactor KM4 is connected with a zero line; the brake of the garage motor forms a loop through the normally open contact of the contactor KM 4.
7. The vertical circulation circuit with redundancy function according to claim 3, wherein: and a group of normally closed contacts of the forward contactor KM2 and a group of normally closed contacts of the reverse contactor KM3 are sequentially connected between the output end of the man-machine operation terminal and the coil of the automatic power supply contactor KM1 in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452711.6U CN213517923U (en) | 2020-10-29 | 2020-10-29 | Vertical circulation circuit with redundancy function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452711.6U CN213517923U (en) | 2020-10-29 | 2020-10-29 | Vertical circulation circuit with redundancy function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213517923U true CN213517923U (en) | 2021-06-22 |
Family
ID=76413304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022452711.6U Active CN213517923U (en) | 2020-10-29 | 2020-10-29 | Vertical circulation circuit with redundancy function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213517923U (en) |
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2020
- 2020-10-29 CN CN202022452711.6U patent/CN213517923U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210726 Address after: 112300 No. 83, Tiexi North Street, Kaiyuan Economic Development Zone, Kaiyuan city, Tieling City, Liaoning Province Patentee after: LIAONING HUAYUAN HEAVY EQUIPMENT Co.,Ltd. Address before: 453400 Puxi office, Changyuan County, Xinxiang City, Henan Province Patentee before: HENAN WEIHUA SPECIAL VEHICLE Co.,Ltd. |
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| TR01 | Transfer of patent right |