CN218396357U - Independent power supply system for series welding machine electromagnet - Google Patents
Independent power supply system for series welding machine electromagnet Download PDFInfo
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- CN218396357U CN218396357U CN202222622608.0U CN202222622608U CN218396357U CN 218396357 U CN218396357 U CN 218396357U CN 202222622608 U CN202222622608 U CN 202222622608U CN 218396357 U CN218396357 U CN 218396357U
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Abstract
The utility model relates to a series welding machine technical field especially relates to an independent power supply system of series welding machine electromagnet, include: the electromagnet control system comprises an electromagnet solid-state relay, a first AC/DC converter, a second AC/DC converter, an electromagnet and a PLC (programmable logic controller), wherein the first AC/DC converter provides control voltage for the PLC and the electromagnet solid-state relay; the second AC/DC converter provides operating voltage for the electromagnet and the intermediate relay. The system of the utility model has simple structure and small change, and distinguishes the control power supply and the working power supply by increasing the working power supply, thereby solving the problem that the series welding machine is shut down due to the power loss of the PLC control circuit and the electromagnet when the control and the working power supply are on the same path; when the electromagnet has short-circuit fault, the production is recovered immediately after the problem is checked, the fault is eliminated in 10 minutes, the fault elimination time is shortened by 20 minutes, and the risk of wasting raw materials in equipment is basically avoided.
Description
Technical Field
The utility model relates to a series welding machine technical field especially relates to an independent power supply system of series welding machine electromagnet.
Background
The lead series welding machine is a photovoltaic assembly series welding device, and the stable operation of the device is important for the photovoltaic capacity output; as shown in fig. 1, which is a schematic connection diagram of a conventional series welding machine, the series welding machine is connected with an electromagnet solid-state relay through an electromagnet, an AC/DC converter provides a stable direct-current power supply (commonly used 24V) for the electromagnet solid-state relay, a PLC controller and series welding, when an electromagnet fault short circuit occurs or a series welding machine fault occurs, the AC/DC converter triggers an alarm, the power output is powered off, at this time, a series welding machine equipment direct-current power supply device is powered off, the series welding machine is powered off, the PLC controller is also powered off, a servo position of a servo motor of the series welding machine is lost, a welding strip is also in a falling risk, the time for recovering the fault is longer, about half an hour, partial raw materials are wasted in the process, and about 20 battery pieces are broken.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the specific technical scheme is as follows: a series welder electromagnet independent power supply system comprises: the electromagnet control system comprises an electromagnet solid-state relay, a first AC/DC converter, a second AC/DC converter, an electromagnet and a PLC (programmable logic controller), wherein one output end of the first AC/DC converter is connected with a COM (component object model) interface of the electromagnet solid-state relay, and the other output end of the first AC/DC converter is connected with an IO (input/output) terminal of the PLC; the IO terminal of the PLC is also connected with the IN terminal of the electromagnet solid-state relay; the output end of the second AC/DC converter is connected with the 0V terminal and the 24V terminal of the electromagnet solid-state relay; the electromagnet is electrically connected with the electromagnet solid-state relay; the first AC/DC converter provides control voltage for the PLC, the electromagnet solid-state relay and the electromagnet; the second AC/DC converter provides an operating voltage for the electromagnet.
Further, still include auxiliary relay, auxiliary relay respectively with second AC/DC converter, PLC controller and vacuum detector electric connection, the signal of vacuum detector is through the normal open contact of the auxiliary relay of second AC/DC converter power supply to the IO terminal of PLC controller, the vacuum detector is used for producing the vacuum fault signal of stringer.
The system further comprises an upper computer and an alarm device, wherein the upper computer and the alarm device are respectively connected with the PLC, display the fault of the electromagnet through the upper computer, perform shutdown control through the upper computer and prompt manual intervention; the alarm device is used for prompting alarm information in an acousto-optic mode.
The utility model has the advantages that:
1. the system has simple structure and small change to the existing system, distinguishes the control voltage and the working voltage by increasing the working power supply, and solves the problem that the series welding machine is stopped because the PLC control circuit and the electromagnet are powered off when the control and the working voltage are on the same path.
2. When the electromagnet has short-circuit fault, the production is recovered immediately after the problem is checked, the fault is eliminated in 10 minutes, the fault elimination time is shortened by 20 minutes, and the risk of wasting raw materials in equipment is basically avoided.
Drawings
FIG. 1 is a schematic diagram of the connection between the conventional power supply, electromagnet and series welding machine of the present invention;
fig. 2 is a system connection diagram of the improved power supply, electromagnet and series welding machine of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings:
fig. 2 shows an independent power supply system for series welding machine electromagnets, which includes: the electromagnet solid-state relay comprises an electromagnet solid-state relay, a first AC/DC converter, a second AC/DC converter, an electromagnet, a PLC controller and an intermediate relay, wherein the positive output end of the first AC/DC converter is connected with a COM interface of the electromagnet solid-state relay, the negative output end of the first AC/DC converter is connected with an IO terminal of the PLC controller, a series welding machine (model 3600) is electrically connected with the electromagnet and the output terminal of the electromagnet solid-state relay IN sequence, the output end of the second AC/DC converter is connected with 0V and 24V terminals of the electromagnet solid-state relay, the IO terminal of the PLC controller is connected with an IN terminal of the electromagnet solid-state relay, the first AC/DC converter provides a control power supply for the PLC controller, the electromagnet solid-state relay and the electromagnet, and the second AC/DC converter provides a working power supply for the electromagnet and the intermediate relay.
The working power supply of the electromagnet is independently supplied with 24V power, the working power supply of the electromagnet is separated from the control power supply, when the electromagnet is in short circuit fault, the second AC/DC converter gives an alarm abnormally, but does not influence the 24V control power supply of the series welding machine and the PLC controller, and the electromagnet can be produced immediately after the fault of the electromagnet is eliminated.
The system also comprises an upper computer and an alarm device, wherein the upper computer and the alarm device are used for alarming and prompting when the electromagnet fails and prompting manual intervention; an intermediate relay is additionally connected to the output end of the second AC/DC converter, the intermediate relay is electrically connected with the vacuum detector and the PLC, and a vacuum detection signal wire of the series welding machine is connected with a normally open contact of the intermediate relay; when the electromagnet has a short-circuit fault, the second AC/DC converter gives an alarm, no 24V working voltage is output, the intermediate relay does not work, the intermediate relay is normally closed and normally opened, the vacuum detector of the series welding machine is triggered to generate a fault signal, the series welding machine stops working, alarm information is reported to the upper computer through the PLC, in order to distinguish whether the vacuum fault alarm of the series welding machine or the electromagnet fault alarm, the judgment can be carried out through the alarm indicator lamp of the second AC/DC converter, if the alarm indicator lamp is red, the electromagnet fault is caused, and if the alarm indicator lamp is blue, the vacuum detector fault of the series welding machine is caused.
The AC/DC converter is NDR-120-24 (24V/5A) _ Mingming weft, the electromagnet solid state relay is SY250N _ Spack, and the intermediate relay is IDEC _ RJ2S-CL-D24; the PLC controller is in the model of ohm dragon-NJ 501-1300-series welding machine PLC, and the alarm device is an audible and visual alarm in the model of FMD-116.
In the prior art, when the electromagnet fails, the servo control of the stringer loses the original position, the finished materials and the welding strips in the stringer need to be manually cleaned, and the stringer is started after the electromagnet is replaced, which usually takes 30 minutes; and because control circuit does not lose the electricity after the system improves, only need change the electro-magnet of trouble when the electro-magnet trouble and can start the machine and put into production, only consuming time 10 minutes can, the welding has also not appeared and has fallen risk and damage piece phenomenon when the treatment effeciency promotes greatly.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A series welder electromagnet independent power supply system is characterized by comprising: the electromagnet control system comprises an electromagnet solid-state relay, a first AC/DC converter, a second AC/DC converter, an electromagnet and a PLC (programmable logic controller), wherein one output end of the first AC/DC converter is connected with a COM (component object model) interface of the electromagnet solid-state relay, and the other output end of the first AC/DC converter is connected with an IO (input/output) terminal of the PLC; the IO terminal of the PLC is also connected with the IN terminal of the electromagnet solid-state relay; the output end of the second AC/DC converter is connected with the 0V terminal and the 24V terminal of the electromagnet solid-state relay; the electromagnet is electrically connected with the output end of the electromagnet solid-state relay; the first AC/DC converter provides control voltage for the PLC, the electromagnet solid-state relay and the electromagnet; the second AC/DC converter provides an operating voltage for the electromagnet.
2. The independent power supply system for the electromagnet of the series welding machine according to claim 1, wherein: still include auxiliary relay, auxiliary relay respectively with second AC/DC converter, PLC controller and vacuum detector electric connection, the signal of vacuum detector passes through auxiliary relay's normally open contact to the IO terminal of PLC controller, the vacuum detector is used for producing stringer's vacuum warning signal.
3. The independent power supply system for the series welding machine electromagnet according to claim 2, characterized in that: the system also comprises an upper computer and an alarm device, wherein the upper computer and the alarm device are respectively connected with the PLC, the upper computer is used for displaying electromagnet faults and the upper computer is used for carrying out shutdown control to prompt manual intervention; the alarm device is used for sound and light alarm.
4. The independent power supply system for the series welding machine electromagnet according to claim 1, characterized in that: the model of the PLC is ohm dragon-NJ 501-1300.
5. The independent power supply system for the series welding machine electromagnet according to claim 1, characterized in that: the first AC/DC converter and the second AC/DC converter are of the type NDR-120-24.
6. The independent power supply system for the series welding machine electromagnet according to claim 1, characterized in that: the model of the intermediate relay is IDEC _ RJ2S-CL-D24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622608.0U CN218396357U (en) | 2022-09-30 | 2022-09-30 | Independent power supply system for series welding machine electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222622608.0U CN218396357U (en) | 2022-09-30 | 2022-09-30 | Independent power supply system for series welding machine electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218396357U true CN218396357U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222622608.0U Active CN218396357U (en) | 2022-09-30 | 2022-09-30 | Independent power supply system for series welding machine electromagnet |
Country Status (1)
| Country | Link |
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| CN (1) | CN218396357U (en) |
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2022
- 2022-09-30 CN CN202222622608.0U patent/CN218396357U/en active Active
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