CN210648957U - Welding gas steady voltage constant current device - Google Patents
Welding gas steady voltage constant current device Download PDFInfo
- Publication number
- CN210648957U CN210648957U CN201921655642.XU CN201921655642U CN210648957U CN 210648957 U CN210648957 U CN 210648957U CN 201921655642 U CN201921655642 U CN 201921655642U CN 210648957 U CN210648957 U CN 210648957U
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- gas
- gas buffer
- buffer box
- pressure
- cabinet body
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Abstract
The utility model particularly discloses a welding gas voltage and constant current device, which comprises a cabinet body; a first gas buffer box and a second gas buffer box which are communicated with each other are arranged in the cabinet body; one end of the first gas buffer box, which is far away from the second gas buffer box, is communicated with a gas inlet pipe; the air inlet pipe is provided with a pressure sensing device and an electromagnetic valve; one end of the second gas buffer box, which is far away from the first gas buffer box, is communicated with a plurality of gas outlet pipes; the pressure feedback unit is arranged on the air outlet pipe; a PLC control unit is also arranged on the inner side wall of the cabinet body; a direct current stabilized voltage power supply is arranged at the inner bottom of the cabinet body; the pressure sensing device, the electromagnetic valve, the direct-current stabilized voltage power supply and the pressure feedback unit are respectively and electrically connected with the PLC control unit. The utility model discloses can reduce the error greatly to whole pipeline air supply pressure and flow control to improve efficiency of saving, energy-conserving effect is showing, makes the stable advantage of using and energy-efficient that has of terminal equipment.
Description
Technical Field
The utility model relates to a metal welding technical field, concretely relates to welding gas steady voltage constant current device.
Background
In the metal welding industry, the air supply pipeline can only manually adjust the supply pressure and the add-subtract flow of a pressure gauge, the air supply pipeline can not control the supply pressure and the flow of the whole pipeline, and the error is great, so that the energy-saving efficiency is low, and the energy-saving effect is extremely poor. The use of the welding seam protective gas (argon, carbon dioxide or the mixed gas of the argon and the carbon dioxide) adopts the tank type centralized gas storage, the pipeline gas supply to the tail end and the pressure reducing meter (or the flowmeter) to control the gas quantity for use at present in a factory with a certain scale, and the following problems can be caused on the premise that:
1. the pipeline arrangement is simple and unscientific, which causes large transient pressure drop and vicious circle;
2. intermittent gas robbery causes gas shortage at multiple stations, and operators can only adjust the maximum flow to meet the requirement of production, thereby causing great waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a welding gas steady voltage constant current device is provided, it can be to whole pipeline gas supply pressure and flow handle accuse, reduces the error greatly to improve and practice thrift efficiency, energy-conserving effect is showing.
The utility model provides a technical scheme that its technical problem adopted is:
a welding gas voltage-stabilizing constant-current device comprises a cabinet body;
a first gas buffer box and a second gas buffer box which are communicated with each other are arranged in the cabinet body; one end of the first gas buffer box, which is far away from the second gas buffer box, is communicated with a gas inlet pipe; the air inlet pipe is provided with a pressure sensing device and an electromagnetic valve; one end of the second gas buffer box, which is far away from the first gas buffer box, is communicated with a plurality of gas outlet pipes; the pressure feedback unit is arranged on the air outlet pipe; a PLC control unit is also arranged on the inner side wall of the cabinet body; a direct current stabilized voltage power supply is arranged at the inner bottom of the cabinet body; the pressure sensing device, the electromagnetic valve, the direct-current stabilized voltage power supply and the pressure feedback unit are respectively and electrically connected with the PLC control unit.
Preferably, a first support frame and a second support frame are arranged inside the cabinet body; the first gas buffer box is arranged on the first support frame; the second gas buffer box is arranged on the second support frame.
Preferably, a first pipeline and a second pipeline are communicated and connected between the first gas buffer tank and the second gas buffer tank; the second pipeline is arranged below the first pipeline.
Further preferably, a first electric valve is arranged on the first pipeline; the first electric valve is electrically connected with the PLC control unit.
Further preferably, a second electric valve is arranged on the second pipeline; the second electric valve is electrically connected with the PLC control unit.
Preferably, the pressure sensing device and the pressure feedback unit are pressure sensors or air pressure sensors.
Compared with the prior art, the utility model discloses following beneficial effect has: the system composed of the pressure sensing device, the electromagnetic valve, the direct current stabilized voltage power supply and the pressure feedback unit and the PLC control unit can effectively manage the maintenance of the gas supply pressure and flow of the pipeline of a user, automatically carry out parameter comparison and automatic regulation management through the PLC control unit according to the state parameters and data of the gas, and achieve the supply of stable pressure and constant flow; the utility model discloses in time supply with gas as required according to the end instrument parameter feedback of gas use, terminal pressure is not enough then the automatic increase is supplied with, and pressure satisfies then slows down and stabilize the state that the gas flows, more can feed back key data, and the management effectively talks with the use, the utility model discloses can supply pressure and flow to the accuse to whole pipeline, reduce the error greatly to improve saving efficiency, energy-conserving effect is showing, makes terminal equipment have stable use and energy-efficient advantage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a cabinet body; 2-a first support frame; 3-a first gas buffer tank; 4-a second support; 5-a second gas buffer tank; 6, an air inlet pipe; 7-a pressure sensing device; 8-an electromagnetic valve; 9-a first conduit; 10-a first electrically operated valve; 11-a second conduit; 12-a second electrically operated valve; 13-a PLC control unit; 14-a direct current stabilized power supply; 15-air outlet pipe; 16-pressure feedback unit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "provided", "mounted" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the utility model provides a welding gas voltage-stabilizing constant-current device, which comprises a cabinet body 1; a first gas buffer tank 3 and a second gas buffer tank 5 which are communicated with each other are arranged in the cabinet body 1; an air inlet pipe 6 is communicated with one end of the first gas buffer tank 3, which is far away from the second gas buffer tank 5; the air inlet pipe 6 is provided with a pressure sensing device 7 and an electromagnetic valve 8; a plurality of air outlet pipes 15 are communicated with one end of the second gas buffer box 5, which is far away from the first gas buffer box 3; the air outlet pipe 15 is provided with a pressure feedback unit 16; a PLC control unit 13 is also arranged on the inner side wall of the cabinet body 1; a direct-current stabilized voltage power supply 14 is arranged at the inner bottom of the cabinet body 1; the pressure sensing device 7, the electromagnetic valve 8, the direct-current stabilized voltage power supply 14 and the pressure feedback unit 16 are respectively electrically connected with the PLC control unit 13; the system composed of the pressure sensing device 7, the electromagnetic valve 8, the direct-current stabilized voltage power supply 14 and the pressure feedback unit 16 and the PLC control unit 13 can effectively manage the maintenance of the air supply pressure and flow of the pipeline of a user, automatically carry out parameter comparison through the PLC control unit 13 according to the state parameters and data of the gas, and carry out automatic regulation and management to achieve the supply of stable pressure and constant flow.
In this embodiment, a first support frame 2 and a second support frame 4 are arranged inside the cabinet body 1; the first gas buffer tank 3 is arranged on the first support frame 2; the second gas buffer box 5 is arranged on the second support frame 4; a first pipeline 9 and a second pipeline 11 are communicated and connected between the first gas buffer tank 3 and the second gas buffer tank 5; the second pipeline 11 is arranged below the first pipeline 9; a first electric valve 10 is arranged on the first pipeline 9; the first electric valve 10 is electrically connected with a PLC control unit 13; a second electric valve 12 is arranged on the second pipeline 11; the second electrically operated valve 12 is electrically connected with a PLC control unit 13; the pressure sensing device 7 and the pressure feedback unit 16 are pressure sensors or air pressure sensors; the utility model discloses in time supply with gas as required according to the end instrument parameter feedback of gas use, terminal pressure is not enough then the automatic increase is supplied with, and pressure satisfies then slows down and stabilize the state that the gas flows, more can feed back key data, and the management effectively talks with the use, the utility model discloses can supply pressure and flow to the accuse to whole pipeline, reduce the error greatly to improve saving efficiency, energy-conserving effect is showing, makes terminal equipment have stable use and energy-efficient advantage.
The principle is as follows: in the welding process, gas enters the first gas buffer tank 3 through the gas inlet pipe 6, the pressure sensing device 7 measures the pressure result of the first gas buffer tank 3 and feeds the pressure result back to the PLC control unit 13, when the pressure value reaches a set value, the PLC control unit 13 automatically closes the electromagnetic valve 8, opens the first electric valve 10 on the first pipeline 9 (or opens the second electric valve 12 on the second pipeline 11), so that the welding seam protection gas (argon, carbon dioxide or the mixed gas of the argon and the carbon dioxide) in the first gas buffer tank 3 enters the second gas buffer tank 3, multi-station gas use is realized through a plurality of gas outlet pipes 15, when the gas outlet pressure is lower than the set value, the gas outlet pipe 15 is provided with the pressure feedback unit 16 which can feed the gas outlet pressure back to the PLC control unit 13, and the PLC control unit 13 can open the electromagnetic valve 8 according to a set program or simultaneously open the first electric valve 10 and the second, the stability of the pressure of the discharged gas is ensured, the flowing state of the gas is slowed down and stabilized after the pressure is met by the direct-current stabilized voltage power supply 14, the welding error is greatly reduced, and the energy-saving effect is improved.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A welding gas voltage-stabilizing constant-current device comprises a cabinet body; the method is characterized in that:
a first gas buffer box and a second gas buffer box which are communicated with each other are arranged in the cabinet body; one end of the first gas buffer box, which is far away from the second gas buffer box, is communicated with a gas inlet pipe; the air inlet pipe is provided with a pressure sensing device and an electromagnetic valve; one end of the second gas buffer box, which is far away from the first gas buffer box, is communicated with a plurality of gas outlet pipes; the pressure feedback unit is arranged on the air outlet pipe; a PLC control unit is also arranged on the inner side wall of the cabinet body; a direct current stabilized voltage power supply is arranged at the inner bottom of the cabinet body; the pressure sensing device, the electromagnetic valve, the direct-current stabilized voltage power supply and the pressure feedback unit are respectively and electrically connected with the PLC control unit.
2. The welding gas voltage-stabilizing constant-current device according to claim 1, wherein a first support frame and a second support frame are arranged inside the cabinet body; the first gas buffer box is arranged on the first support frame; the second gas buffer box is arranged on the second support frame.
3. The welding gas pressure and constant flow device according to claim 1, wherein a first pipeline and a second pipeline are communicated between the first gas buffer tank and the second gas buffer tank; the second pipeline is arranged below the first pipeline.
4. The welding gas voltage-stabilizing constant-current device according to claim 3, wherein a first electric valve is arranged on the first pipeline; the first electric valve is electrically connected with the PLC control unit.
5. The welding gas voltage-stabilizing constant-current device according to claim 3, wherein a second electric valve is arranged on the second pipeline; the second electric valve is electrically connected with the PLC control unit.
6. The welding gas voltage-stabilizing constant-current device according to claim 1, wherein the pressure sensing device and the pressure feedback unit are pressure sensors or air pressure sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655642.XU CN210648957U (en) | 2019-09-30 | 2019-09-30 | Welding gas steady voltage constant current device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655642.XU CN210648957U (en) | 2019-09-30 | 2019-09-30 | Welding gas steady voltage constant current device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210648957U true CN210648957U (en) | 2020-06-02 |
Family
ID=70835873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655642.XU Expired - Fee Related CN210648957U (en) | 2019-09-30 | 2019-09-30 | Welding gas steady voltage constant current device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210648957U (en) |
-
2019
- 2019-09-30 CN CN201921655642.XU patent/CN210648957U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210930 |