CN113161114B - Cold rolling welding machine and cooling system of transformer thereof - Google Patents
Cold rolling welding machine and cooling system of transformer thereof Download PDFInfo
- Publication number
- CN113161114B CN113161114B CN202110358949.9A CN202110358949A CN113161114B CN 113161114 B CN113161114 B CN 113161114B CN 202110358949 A CN202110358949 A CN 202110358949A CN 113161114 B CN113161114 B CN 113161114B
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- cooling
- cooling liquid
- pipeline
- transformer
- cold
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/085—Welding transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
Abstract
The invention discloses a cooling system of a cold-rolling welding machine and a transformer thereof, wherein the cooling system of the transformer of the cold-rolling welding machine comprises the following components: a cooling device, a plurality of connecting pipelines and a plurality of speed regulating valves; the cooling device is communicated with a plurality of cooling liquid interfaces of the transformer through a plurality of connecting pipelines; the plurality of connecting pipes include: at least two coolant output pipes and at least one coolant recovery pipe; the speed regulating valve is arranged in the cooling liquid output pipeline; the plurality of coolant interfaces comprises: at least two coolant inlets, and at least one coolant outlet; and the cooling liquid output pipeline is communicated with the cooling liquid inlet, and the cooling liquid recovery pipeline is communicated with the cooling liquid outlet. The cooling system of the cold-rolled welding machine and the transformer thereof provided by the invention improves the stability and cooling effect of the cooling system of the transformer of the cold-rolled welding machine.
Description
Technical Field
The invention relates to the technical field of cold rolling, in particular to a cold rolling welding machine and a cooling system of a transformer of the cold rolling welding machine.
Background
The cold rolling welding machine circulation is mainly used for cooling a welding machine transformer and is divided into an inner cooling system and an outer cooling system, wherein the inner cooling system directly cools the transformer, the outer cooling system cools the inner cooling system, and the current inner cooling system adopts a serial connection mode to cool all parts of the transformer. However, this type of transformer cooling system is generally prone to faults such as coolant overflow and insufficient cooling flow, resulting in unstable system and poor cooling effect.
Disclosure of Invention
According to the cold-rolling welding machine and the cooling system of the transformer of the cold-rolling welding machine, stability and cooling effect of the cooling system of the transformer of the cold-rolling welding machine are improved.
The invention provides a cooling system of a cold-rolling welding machine transformer, which comprises: a cooling device, a plurality of connecting pipelines and a plurality of speed regulating valves; the cooling device is communicated with a plurality of cooling liquid interfaces of the transformer through a plurality of connecting pipelines;
the plurality of connecting pipes include: at least two coolant output pipes, and at least one coolant recovery pipe; the speed regulating valve is arranged in the cooling liquid output pipeline;
the plurality of coolant interfaces comprises: at least two coolant inlets, and at least one coolant outlet; and the cooling liquid output pipeline is communicated with the cooling liquid inlet, and the cooling liquid recovery pipeline is communicated with the cooling liquid outlet.
Preferably, the cooling device comprises a cooling liquid tank and a circulating pump; the cooling liquid tank is communicated with the circulating pump, the output end of the circulating pump is respectively communicated with the at least two cooling liquid inlets through the at least two cooling liquid output pipelines, and the input end of the circulating pump is communicated with the at least one cooling liquid outlet through the at least one cooling liquid recovery pipeline.
Preferably, the cooling device further comprises a refrigerator, and the refrigerator is communicated with the cooling liquid tank.
Preferably, the output end of the cooling device is also provided with a stop valve.
Preferably, a flowmeter is arranged in the cooling liquid output pipeline.
The invention also provides a cold-rolling welder, which comprises: the cooling system of the cold-rolling welding machine transformer is communicated with the cold-rolling welding machine transformer.
Preferably, the transformer comprises a coil structure, a rectifying structure and a cooling cavity structure;
the cooling cavity structure is arranged on the outer side of the coil structure, a first cooling pipeline is arranged in the cooling cavity structure, a second cooling pipeline is arranged in the rectifying structure, and a cooling liquid inlet and a cooling liquid outlet are respectively arranged on the first cooling pipeline and the second cooling pipeline.
Preferably, the first cooling pipeline is provided with at least two cooling liquid inlets, the first cooling liquid inlet of the first cooling pipeline is communicated with the cooling liquid outlet of the second cooling pipeline through a transformer pipeline, and the second cooling liquid inlet of the first cooling pipeline is communicated with the output end of the cooling device through a cooling liquid output pipeline.
Preferably, a flowmeter and a flow switch are arranged in the transformer pipeline.
Preferably, the first cooling pipeline comprises at least three branch pipelines, one ends of the at least three branch pipelines are mutually communicated, and the other ends of the at least three branch pipelines are respectively the cooling liquid inlet or the cooling liquid outlet.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
according to the cooling system of the cold-rolling welding machine and the transformer thereof, the cooling device is respectively communicated with at least two cooling liquid inlets and at least one cooling liquid outlet of the cold-rolling welding machine transformer through the at least two cooling liquid output pipelines and the at least one cooling liquid recovery pipeline, the speed regulating valve is arranged in the cooling liquid output pipeline, the flow rate of cooling liquid in the cooling liquid output pipeline can be regulated through the speed regulating valve, when the cold-rolling welding machine transformer is circularly cooled, the cooling liquid is conveyed to the cold-rolling welding machine transformer through the at least two cooling liquid output pipelines, the speed regulating valve is further arranged in the cooling liquid output pipeline and used for regulating the speed of the cooling liquid, when the flow rate of the cooling liquid is smaller due to the instability of the state of one cooling liquid output pipeline, the speed regulating valve of the other cooling liquid output pipeline can be regulated, so that the flow rate of the cooling liquid conveyed to the cold-rolling welding machine transformer is integrally stable, and the stability and the cooling effect of the cooling system of the cold-rolling welding machine transformer are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a cooling system of a cold-rolling welder transformer.
Detailed Description
In order to make the technical solution more clearly understood by those skilled in the art, the following detailed description is made with reference to the accompanying drawings.
The existing cooling system of the cold-rolling welding machine transformer is unstable in operation and is easy to fail and stop. The existing cooling system of the cold-rolled welding machine transformer comprises an inner cooling system and an outer cooling system, wherein the inner cooling system provides circulating cooling operation for the transformer, and the outer cooling system provides circulating cooling operation for the inner cooling system. The external cooling system comprises cooling equipment, the internal cooling system comprises an internal cooling pump set and a kettle, the internal cooling pump set and the transformer form a series loop, cooling water is supplied to the transformer through the internal cooling pump set for circulating cooling, self weight of the cooling water in the kettle is utilized for supplying supply to the transformer, but the internal cooling pump set is unstable in operation, so that the internal cooling pump set is enabled to supply large and small cooling water flow to the transformer, when the cooling water flow provided by the internal cooling pump set is too large, the cooling water in the kettle cannot supply, even overflows, and the cooling system of the transformer of the whole cold-rolling welder is enabled to be in fault shutdown.
Aiming at the defects in the prior art, the invention mainly solves the problems that the cooling system of the cold-rolling welder transformer works unstably and is easy to cause fault shutdown. In order to solve the problem, the technical scheme provided by the invention is as follows:
as shown in fig. 1, the present invention provides a cooling system of a cold-rolling welder transformer, the cooling system of the cold-rolling welder transformer comprising: a cooling device 1, a plurality of connecting pipes 3 and a plurality of speed regulating valves 4; the cooling device 1 is communicated with a plurality of cooling liquid interfaces of the cold rolling welder transformer 2 through a plurality of connecting pipelines 3, the output end of the cooling device 1 is also provided with a stop valve 5, and the stop valve 5 can control the opening and closing of the output end of the cooling device 1.
The plurality of connecting pipes 3 include: at least two coolant output pipes, and at least one coolant recovery pipe; the speed regulating valve 4 is arranged in a cooling liquid output pipeline, and a flowmeter 6 is also arranged in the cooling liquid output pipeline. The flow rate of the cooling liquid in the cooling liquid output pipeline can be adjusted through the speed regulating valve 4, and the flow meter 6 can acquire the cooling liquid flow rate data in the cooling liquid output pipeline.
The plurality of coolant interfaces comprise: at least two coolant inlets, and at least one coolant outlet; and the cooling liquid output pipeline is communicated with the cooling liquid inlet, and the cooling liquid recovery pipeline is communicated with the cooling liquid outlet.
The cooling device 1 includes a cooling liquid tank 11, a circulation pump 12, and a refrigerator 13. The cooling liquid tank 11 is communicated with the circulating pump 12, the output end of the circulating pump 12 is respectively communicated with at least two cooling liquid inlets through at least two cooling liquid output pipelines, and the input end of the circulating pump 12 is communicated with at least one cooling liquid outlet through at least one cooling liquid recovery pipeline; the refrigerator 13 communicates with a coolant tank 11, which may be a water tank 11.
In one embodiment, the plurality of connecting pipes 3 comprises: three coolant output pipes and one coolant recovery pipe; the plurality of coolant interfaces comprise: three coolant inlets, and one coolant outlet. The main pipeline at the output end of the circulating pump 12 is divided into three branch pipelines to form a parallel connection mode, the three branch pipelines are respectively connected to three cooling liquid inlets ABC of the cold-rolling welder transformer 2, a speed regulating valve 4 is arranged in each branch pipeline, and the input end of the circulating pump 12 is connected to a cooling liquid outlet D.
In another embodiment, the cooling system of the cold-rolling welding machine transformer may further include a control device, where the control device is in communication with the plurality of speed control valves 4 and the flowmeter 6, and the control device determines whether the first cooling liquid output pipeline exists according to the cooling liquid flow data collected by the flowmeter 6, and if so, adjusts the valve opening of the adjusting valve 4 of the second cooling liquid output pipeline, and may be to adjust the valve opening, so as to ensure that the total flow of the cooling liquid output to the transformer is kept at the preset flow total value.
The first cooling liquid output pipeline is a cooling liquid output pipeline with the cooling liquid flow being lower than a preset branch flow value, and the second cooling liquid output pipeline is a cooling liquid output pipeline with the cooling liquid flow being not lower than the preset branch flow value.
The invention also provides a cold-rolling welder, which comprises: the cooling system of the cold-rolling welding machine transformer and the cold-rolling welding machine transformer 2 communicated with the cooling system.
The cold-rolling welder transformer 2 comprises a coil structure 22, a rectifying structure 23 and a cooling cavity structure 21.
The rectifying structure 23 and the cooling cavity structure 21 are both located outside the coil structure 22, a first cooling pipeline 211 is arranged in the cooling cavity structure 21, a second cooling pipeline 231 is arranged in the rectifying structure 23, and a cooling liquid inlet and a cooling liquid outlet are respectively arranged on the first cooling pipeline 211 and the second cooling pipeline 231.
The first cooling duct 211 is provided with at least two cooling fluid inlets, the first cooling fluid inlet of the first cooling duct 211 being in communication with the cooling fluid outlet of the second cooling duct 231 through the transformer duct 7, and the second cooling fluid inlet of the first cooling duct 211 being in communication with the output of the cooling device 1 through the cooling fluid output duct.
The flow meter 6 and the flow switch 8 are arranged in the transformer pipeline 7, the flow meter 6 can acquire the flow of the cooling liquid in the transformer pipeline 7, and the flow switch 8 is used for alarming when the flow of the cooling liquid in the transformer pipeline 7 is lower than a preset threshold value.
The first cooling pipe 211 includes at least three branch pipes, one ends of the at least three branch pipes are mutually communicated, and the other ends of the at least three branch pipes are respectively a cooling liquid inlet or a cooling liquid outlet.
In one embodiment, the first cooling pipe 211 includes four branch pipes, one ends of which are connected to each other, wherein the other ends of the three branch pipes are used as cooling liquid inlets, and the other ends of the one branch pipe are used as cooling liquid outlets.
In summary, according to the cooling system for the cold-rolling welding machine and the transformer thereof provided by the invention, the cooling device 1 is respectively communicated with at least two cooling liquid inlets and at least one cooling liquid outlet of the cold-rolling welding machine transformer 2 through at least two cooling liquid output pipelines and at least one cooling liquid recovery pipeline, the speed regulating valve 4 is arranged in the cooling liquid output pipeline, the flow rate of cooling liquid in the cooling liquid output pipeline can be regulated through the speed regulating valve 4, when the cold-rolling welding machine transformer 2 is circularly cooled, at least two cooling liquid output pipelines are used for conveying cooling liquid to the cold-rolling welding machine transformer 2, and the speed regulating valve 4 is also arranged in the cooling liquid output pipeline for regulating the cooling liquid, when the state of one cooling liquid output pipeline is unstable to cause the flow rate of the cooling liquid to be smaller, the speed regulating valve 4 of the other cooling liquid output pipeline can be regulated, so that the cooling liquid flow rate of the cooling liquid conveyed to the cold-rolling welding machine transformer 2 is wholly stable, and the stability and the cooling effect of the cooling system of the cold-rolling welding machine transformer are improved.
In addition, compared with the cooling system of the existing cold-rolling welding machine transformer, the cooling system does not adopt an internal cooling pump set and a kettle, reduces equipment purchase and maintenance cost, controls the cold-rolling welding machine transformer 2 to carry out circulating cooling through the cooling device 1, does not cause the condition that cooling water in the kettle overflows, and reduces the probability of failure of the cooling system of the cold-rolling welding machine transformer.
In addition, in the cooling system of the cold-rolling welding machine and the transformer thereof provided by the invention, two cooling devices 1 can be connected into the transformer 2 of the cold-rolling welding machine, one cooling device 1 is used normally, the other cooling device is used for standby, and when one cooling device 1 fails, the other cooling device 1 starts to start.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (5)
1. The cold-rolling welder is characterized by comprising a cooling system of a cold-rolling welder transformer and the cold-rolling welder transformer communicated with the cooling system;
the cooling system of the cold rolling welder transformer comprises: a cooling device, a plurality of connecting pipelines and a plurality of speed regulating valves; the cooling device is communicated with a plurality of cooling liquid interfaces of the transformer through a plurality of connecting pipelines;
the plurality of connecting pipes include: at least two coolant output pipes, and at least one coolant recovery pipe; the speed regulating valve is arranged in the cooling liquid output pipeline; a flowmeter is arranged in the cooling liquid output pipeline;
the plurality of coolant interfaces comprises: at least two coolant inlets, and at least one coolant outlet; the cooling liquid output pipeline is communicated with the cooling liquid inlet, and the cooling liquid recovery pipeline is communicated with the cooling liquid outlet;
further comprises: a control device;
the control device is in communication connection with the speed regulating valves and the flow meters, judges whether a first cooling liquid output pipeline exists according to cooling liquid flow data acquired by the flow meters, and adjusts the valve opening of the regulating valve of the second cooling liquid output pipeline if the first cooling liquid output pipeline exists so as to ensure that the total flow of the cooling liquid output to the transformer is kept at a preset flow total value;
the first cooling liquid output pipeline is a cooling liquid output pipeline with the cooling liquid flow rate lower than a preset branch flow rate value, and the second cooling liquid output pipeline is a cooling liquid output pipeline with the cooling liquid flow rate not lower than the preset branch flow rate value;
the transformer comprises a coil structure, a rectifying structure and a cooling cavity structure;
the rectifying structure and the cooling cavity structure are both positioned outside the coil structure, a first cooling pipeline is arranged in the cooling cavity structure, a second cooling pipeline is arranged in the rectifying structure, and a cooling liquid inlet and a cooling liquid outlet are respectively arranged on the first cooling pipeline and the second cooling pipeline;
the first cooling pipeline is provided with at least two cooling liquid inlets, the first cooling liquid inlet of the first cooling pipeline is communicated with the cooling liquid outlet of the second cooling pipeline through a transformer pipeline, and the second cooling liquid inlet of the first cooling pipeline is communicated with the output end of the cooling device through a cooling liquid output pipeline;
the first cooling pipeline comprises at least three branch pipelines, one ends of the at least three branch pipelines are mutually communicated, and the other ends of the at least three branch pipelines are respectively the cooling liquid inlet or the cooling liquid outlet.
2. The cold-rolling welder of claim 1, wherein the cooling device comprises a cooling liquid tank and a circulation pump; the cooling liquid tank is communicated with the circulating pump, the output end of the circulating pump is respectively communicated with the at least two cooling liquid inlets through the at least two cooling liquid output pipelines, and the input end of the circulating pump is communicated with the at least one cooling liquid outlet through the at least one cooling liquid recovery pipeline.
3. The cold-rolling welder of claim 2, wherein the cooling device further comprises a refrigerator in communication with the coolant tank.
4. The cold-rolling welder of claim 1, wherein the output end of the cooling device is further provided with a stop valve.
5. The cold-rolling welder of claim 1, wherein a flow meter and a flow switch are disposed in the transformer conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358949.9A CN113161114B (en) | 2021-04-02 | 2021-04-02 | Cold rolling welding machine and cooling system of transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358949.9A CN113161114B (en) | 2021-04-02 | 2021-04-02 | Cold rolling welding machine and cooling system of transformer thereof |
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| Publication Number | Publication Date |
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| CN113161114A CN113161114A (en) | 2021-07-23 |
| CN113161114B true CN113161114B (en) | 2023-07-21 |
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| CN202110358949.9A Active CN113161114B (en) | 2021-04-02 | 2021-04-02 | Cold rolling welding machine and cooling system of transformer thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110726069A (en) * | 2019-10-31 | 2020-01-24 | 海德利森(天津)检测设备有限公司 | Cooling system for skid-mounted hydrogenation equipment |
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| JP2000035273A (en) * | 1998-07-17 | 2000-02-02 | Sanyo Electric Co Ltd | Cooling system |
| CN202169436U (en) * | 2011-06-20 | 2012-03-21 | 深圳市鸿栢科技实业有限公司 | Water-cooling high-frequency transformer and cooling device of high-frequency transformer |
| AT512069B1 (en) * | 2011-10-31 | 2016-01-15 | Fronius Int Gmbh | RESISTANCE WELDING DEVICE |
| CN102441751A (en) * | 2012-01-06 | 2012-05-09 | 江苏华光双顺机械制造有限公司 | Closed circulation cooling system for welder |
| CN202715984U (en) * | 2012-06-29 | 2013-02-06 | 上海新朋联众汽车零部件有限公司 | Cooling pipeline for welding machine |
| CN103697719A (en) * | 2013-12-30 | 2014-04-02 | 国核华清（北京）核电技术研发中心有限公司 | Parallel multi-branch cooling water distribution and adjustment system |
| CN105704990B (en) * | 2016-04-26 | 2019-03-26 | 广东申菱环境系统股份有限公司 | Liquid cooling system and its intelligent temperature control unit |
| CN107014220A (en) * | 2017-05-19 | 2017-08-04 | 南京腾图节能科技有限公司 | A kind of energy-conservation cooling circulating water device for automatically adjusting temperature |
| CN110653476A (en) * | 2018-06-29 | 2020-01-07 | 秭归帝元食品罐头股份有限公司 | High-frequency welding machine welding briquetting |
| DE102019203603A1 (en) * | 2019-02-08 | 2020-08-13 | Robert Bosch Gmbh | Component and transformer arrangement for resistance welding |
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2021
- 2021-04-02 CN CN202110358949.9A patent/CN113161114B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726069A (en) * | 2019-10-31 | 2020-01-24 | 海德利森(天津)检测设备有限公司 | Cooling system for skid-mounted hydrogenation equipment |
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| CN113161114A (en) | 2021-07-23 |
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