CN101733594A - Isolation device suitable for digitalized electric welder - Google Patents
Isolation device suitable for digitalized electric welder Download PDFInfo
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- CN101733594A CN101733594A CN200810203108A CN200810203108A CN101733594A CN 101733594 A CN101733594 A CN 101733594A CN 200810203108 A CN200810203108 A CN 200810203108A CN 200810203108 A CN200810203108 A CN 200810203108A CN 101733594 A CN101733594 A CN 101733594A
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- division board
- front panel
- shell
- welding machine
- isolation plate
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Abstract
The invention discloses an isolation device suitable for a digitalized electric welder. The isolation device is arranged in a shell of the electric welder and comprises three isolation plates, wherein the first isolation plate is vertically arranged in the shell of the electric welder to divide the shell of the electric welder into a front part and a rear part; the second isolation plate is horizontally arranged between the first isolation plate and a front panel to partition a space between the first isolation plate and the front panel into an upper part and a lower part; and the third isolation plate is arranged in a space formed by the first isolation plate, the second isolation plate, the front panel and a top plate, is vertical to the first isolation plate and the second isolation plate respectively, and partitions the space formed by the first isolation plate, the second isolation plate, the front panel and the top plate into a left part and a right part. The isolation device can reduce various interference problems of an EMC, separate strong current and weak current, isolate an air cooling system and the weak current, reduce the interference problem of a main loop to a control loop, and reduce the influences of chemical substances and dust produced by the air cooling system under different environments and rainwater on the control loop and the main loop.
Description
Technical field
The present invention relates to a kind of spacer assembly that is applicable in the digitalized electric welder.
Background technology
Continuous progress along with inversion transformation technique, all kinds of single-chip microcomputers, interfacing is in the application of welding field, and welding machine under varying environment application and countries in the world to EMC electromagnetic compatibility (ElectromagneticCompatibility, abbreviation EMC) requirement is more and more higher, welding machine is as the important equipment of metal manufacture field, be applied among the different working environments (as business environment, the supply environment, civilian and residential block, even military environment), the electricity interface that is connected with civil power again simultaneously, thereby require the welding machine can operate as normal in its electromagnetic environment and the ability of the electromagnetic disturbance that can not bear anything formation in this environment, but conventional machine structure forceful electric power and light current are mixed into one, control loop and major loop are synthetic, the mode that air cooling system and light current are not isolated can't meet the demands.
As three X-Y schemes of the existing machine structure of Fig. 1～shown in Figure 3, Fig. 1 is a front view, and Fig. 2 is a left view, and Fig. 3 is a right view, with each installing zone of box indicating, represents the layout of installation position among the figure.
In machine structure, EMC device and input rectifying filter circuit and high-frequency high-voltage circuit are installed in the bottom of welding machine shell, and 4 supports 107 are propped the radiator that is used for installing heater element respectively, and control panel is installed in the top of radiator, and do not have any spacer assembly.In such machine structure, major loop comprises input EMC device and power component (frequency changer circuit), frequency converter is to utilize the on-off action of power semiconductor device power frequency supply to be transformed to the electric energy control device of another frequency, can improve power-efficient, mainly has rectification (AC-DC), filtering, inversion, isolate transformation, (high-frequency ac becomes direct current in rectification once more, functions such as filtering, interfere with each other between major loop and high-frequency high-voltage circuit and the control circuit, and also interfere with each other between the circuit of major loop inside, machine performance there is certain influence, greatly reduce input EMC device simultaneously and prevent that the electromagnetic interference that equipment itself produces from entering power line, prevent the effect of the interference access arrangement on the power line simultaneously, each heater element is also to input EMC circuit, frequency changer circuit and control circuit have produced heat affecting and magnetic disturbance, and can't isolate the dust that air cooling system produces, work as chemical substance, when dust and rainwater etc. enter welding machine inside, can produce quality problems to complete machine.
Summary of the invention
A kind of spacer assembly that is applicable in the digitalized electric welder provided by the invention can be eliminated the phase mutual interference between each circuit and the element, improves the overall performance of electric welding machine.
In order to achieve the above object, the invention provides a kind of spacer assembly that is applicable in the digitalized electric welder, this spacer assembly is arranged in the shell of electric welding machine (described shell is made up of front panel, rear board, left panel, right panel, base plate and top board), comprises three division boards;
The length of first division board is identical with the length of electric welding machine shell, width is identical with the height of electric welding machine shell, this first division board vertically is arranged in the electric welding machine shell, the electric welding machine shell is divided into former and later two parts, the rear portion is heater element (transformer, reactor, radiator) installing zone and air cooling equipment installing zone, has reduced heat affecting and the magnetic disturbance of heater element to input EMC circuit, frequency changer circuit and control circuit; First division board is isolated the dust that air cooling system produces, and has reduced the influence to frequency changer circuit and EMC circuit such as chemical substance, dust and rainwater, particularly to the influence of control circuit;
The length of second division board is identical with the length of electric welding machine shell, width is identical to the vertical range of shell front panel with first division board, this second division board is horizontally set between first division board and the front panel, with the space segmentation between first division board and the front panel is two parts up and down, the bottom is power component (frequency changer circuit) installing zone and high-frequency high-voltage circuit installing zone, can reduce the interference of frequency changer circuit to input EMC circuit and control circuit;
The length of the 3rd division board is identical to the vertical range of shell front panel with first division board, width is identical to the vertical range of top board with second division board, the 3rd division board is arranged on first division board, second division board, in the space that front panel and top board are formed, respectively perpendicular to the 3rd division board and second division board, will be by first division board, second division board, the space segmentation that front panel and top board are formed be about two parts, some is an EMC device installing zone, can reduce the welding machine control circuit, frequency changer circuit is to the interference of input EMC device, reduce the cost of EMC device simultaneously, improve the utilization rate of EMC device, another part is the control circuit installing zone, can reduce frequency changer circuit, input EMC circuit, high-frequency high-voltage circuit is to the interference of control section, also reduces the interference of high-frequency circuit such as crystal oscillator in the control loop to input EMC circuit simultaneously;
Described division board material is a galvanized steel plain sheet;
Described spacer assembly also comprises the screen pack that is arranged on the shell bottom plate, and this screen pack is primarily aimed at the eliminating of the unusual ponding of welding machine, and it neither can unusual (as: on fire) phenomenon take place the butt welding machine heater element, can not exert an influence to the outside again on (as: Mars).The present invention has the following advantages:
1, reduces the various interference problems of EMC;
2, forceful electric power separates with light current;
3, reduce the interference problem of major loop to control loop;
4, chemical substance, dust and the rainwater that produces under the minimizing air cooling system varying environment is to the influence of control loop and major loop;
5, air cooling system and light current are isolated.
Description of drawings
Fig. 1 is the front view of electric welding machine internal structure in the background technology;
Fig. 2 is that attempt on the left side of electric welding machine internal structure in the background technology;
Fig. 3 is that attempt on the right side of electric welding machine internal structure in the background technology;
Fig. 4 is a front view of having used spacer assembly provided by the invention electric welding machine internal structure afterwards;
Fig. 5 is a left view of having used spacer assembly provided by the invention electric welding machine internal structure afterwards;
Fig. 6 is a right view of having used spacer assembly provided by the invention electric welding machine internal structure afterwards;
Fig. 7 is a upward view of having used spacer assembly provided by the invention electric welding machine internal structure afterwards;
Fig. 8 is a vertical view of having used spacer assembly provided by the invention electric welding machine internal structure afterwards.
The specific embodiment
Following according to Fig. 4～Fig. 8, specify the specific embodiment of the present invention:
The invention provides a kind of spacer assembly that is applicable in the digitalized electric welder, this spacer assembly is arranged in the shell of electric welding machine (described shell is made up of front panel 101, rear board 102, left panel 103, right panel 104, top board 105 and base plate 106), and described spacer assembly comprises three division boards;
As Fig. 5, Fig. 6 and shown in Figure 7, the length of first division board 1 is identical with the length of electric welding machine shell, width is identical with the height of electric welding machine shell, this first division board 1 vertically is arranged in the electric welding machine shell, the electric welding machine shell is divided into former and later two parts, the rear portion is heater element (transformer, reactor, radiator) installing zone and air cooling equipment installing zone, has reduced heat affecting and the magnetic disturbance of heater element to input EMC circuit, frequency changer circuit and control circuit; The dust that the 1 pair of air cooling system of first division board produces is isolated, and has reduced the influence to frequency changer circuit and EMC circuit such as chemical substance, dust and rainwater, particularly to the influence of control circuit;
As Fig. 4, Fig. 5 and shown in Figure 6, the length of second division board 2 is identical with the length of electric welding machine shell, width is identical to the vertical range of shell front panel 101 with first division board 1, this second division board 2 is horizontally set between first division board 1 and the front panel 101, with the space segmentation between first division board 1 and the front panel 101 is two parts up and down, the bottom is power component (frequency changer circuit) installing zone and high-frequency high-voltage circuit installing zone, can reduce the interference of frequency changer circuit to input EMC circuit and control circuit;
As Fig. 4 and shown in Figure 8, the length of the 3rd division board 3 is identical to the vertical range of shell front panel 101 with first division board 1, width is identical to the vertical range of top board 105 with second division board 2, the 3rd division board 3 is arranged on first division board 1, second division board 2, in the space that front panel 101 and top board 105 are formed, respectively perpendicular to the 3rd division board 3 and second division board 2, will be by first division board 1, second division board 2, the space segmentation that front panel 101 and top board 105 formed be about two parts, left part is an EMC device installing zone, can reduce the welding machine control circuit, frequency changer circuit is to the interference of input EMC device, reduce the cost of EMC device simultaneously, improve the utilization rate of EMC device, right part is the control circuit installing zone, can reduce frequency changer circuit, input EMC circuit, high-frequency high-voltage circuit is to the interference of control section, also reduces the interference of high-frequency circuit such as crystal oscillator in the control loop to input EMC circuit simultaneously;
Described division board material is a galvanized steel plain sheet;
As shown in Figure 7; described spacer assembly also comprises the screen pack 4 that is arranged on the shell bottom plate 106; this screen pack 4 is primarily aimed at the eliminating of the unusual ponding of welding machine, and it neither can unusual (as: on fire) phenomenon take place the butt welding machine heater element, can not exert an influence to the outside again on (as: Mars).
Claims (6)
1. one kind is applicable to the spacer assembly in the digitalized electric welder, this spacer assembly is arranged in the shell of electric welding machine, shell comprises front panel (101), rear board (102), left panel (103), right panel (104), top board (105) and base plate (106), it is characterized in that described spacer assembly comprises three division boards;
Described first division board (1) vertically is arranged in the electric welding machine shell, and the electric welding machine shell is divided into two parts;
Described second division board (2) is horizontally set between first division board (1) and the front panel (101), is two parts with the space segmentation between first division board (1) and the front panel (101);
Described the 3rd division board (3) is arranged in the space of first division board (1), second division board (2), front panel (101) and top board (105) composition, perpendicular to the 3rd division board (3) and second division board (2), the space segmentation that will be made up of first division board (1), second division board (2), front panel (101) and top board (105) is two parts respectively.
2. the spacer assembly that is applicable in the digitalized electric welder as claimed in claim 1 is characterized in that, the length of described first division board (1) is identical with the length of electric welding machine shell, and width is identical with the height of electric welding machine shell.
3. the spacer assembly that is applicable in the digitalized electric welder as claimed in claim 1, it is characterized in that, the length of described second division board (2) is identical with the length of electric welding machine shell, and width is identical to the vertical range of shell front panel (101) with first division board (3).
4. the spacer assembly that is applicable in the digitalized electric welder as claimed in claim 1, it is characterized in that, the length of described the 3rd division board (3) is identical to the vertical range of shell front panel (101) with first division board (1), and width is identical to the vertical range of top board (105) with second division board (2).
5. as claim 2, the 3 or 4 described spacer assemblys that are applicable in the digitalized electric welder, it is characterized in that described division board material is a galvanized steel plain sheet.
6. the spacer assembly that is applicable in the digitalized electric welder as claimed in claim 1 is characterized in that, described spacer assembly also comprises the screen pack (4) that is arranged on the shell bottom plate (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203108A CN101733594A (en) | 2008-11-21 | 2008-11-21 | Isolation device suitable for digitalized electric welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810203108A CN101733594A (en) | 2008-11-21 | 2008-11-21 | Isolation device suitable for digitalized electric welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101733594A true CN101733594A (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810203108A Pending CN101733594A (en) | 2008-11-21 | 2008-11-21 | Isolation device suitable for digitalized electric welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101733594A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625336A (en) * | 2015-01-13 | 2015-05-20 | 温岭万顺机电制造有限公司 | Inversion direct-current gas shielded welding power supply |
| CN104638944A (en) * | 2015-02-16 | 2015-05-20 | 阳光电源股份有限公司 | Inverter |
-
2008
- 2008-11-21 CN CN200810203108A patent/CN101733594A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625336A (en) * | 2015-01-13 | 2015-05-20 | 温岭万顺机电制造有限公司 | Inversion direct-current gas shielded welding power supply |
| CN104625336B (en) * | 2015-01-13 | 2016-08-17 | 杨骐远 | A kind of inversion direct current gas shielded arc welding power supply |
| CN104638944A (en) * | 2015-02-16 | 2015-05-20 | 阳光电源股份有限公司 | Inverter |
| CN104638944B (en) * | 2015-02-16 | 2017-10-17 | 阳光电源股份有限公司 | A kind of inverter |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100616 |