CN206425675U - Twin voltage waterproof arc welder - Google Patents
Twin voltage waterproof arc welder Download PDFInfo
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- CN206425675U CN206425675U CN201621432861.8U CN201621432861U CN206425675U CN 206425675 U CN206425675 U CN 206425675U CN 201621432861 U CN201621432861 U CN 201621432861U CN 206425675 U CN206425675 U CN 206425675U
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Abstract
A kind of twin voltage waterproof arc welder of the utility model, wherein, including：One housing, the housing is also equipped with a control device including being provided with described in front panel, rear board, cover plate, bottom plate in housing in a middle plate, the housing, and the control device includes：Rectification filtering module, IGBT inversion modules, main transformer pressure reducing mechanism, the secondary rectification module being sequentially connected in series, a PWM governor motions are serially connected between the secondary rectification module output end and the IGBT inversion modules；Machine handle is installed, the PWM governor motions, the IGBT inversion modules are by gluing process plastic packaging in the housing on the cover plate.The utility model provides a kind of hand arc welding machine with good water proof and dust proof effect, by passing through encapsulating and gluing process plastic packaging to the part in control device, so that the utility model three proofings effect is good, and reliably, efficiently, energy-conservation, processing performance is excellent, cost performance is high, small volume, lightweight, noise are low.
Description
Technical field
The utility model is related to a kind of arc welder, more particularly to a kind of twin voltage waterproof arc welder.
Background technology
Hand arc welding machine greatly uses controlled silicon industrial frequency rectifier power source in a large amount of uses at present, by U=
4.44FNBS formula（Wherein U represent sinusoidal voltage virtual value, F represent working frequency, N represent the coiling number of turn, B represent magnetic flux,
The sectional area of S indication transformer iron cores）.Understand：In the case of UBN is constant, F increases, then S reductions.Power frequency is 50HZ, and insulated gate
Bipolar transistor, its switching frequency is up to 50000HZ, it is seen that under other conditions same case, insulated gate bipolar crystal
The volume of pipe inversion main transformer, than small 1000 times or so of controlled silicon industrial frequency rectification main transformer, it is seen that controlled silicon industrial frequency rectification
Power supply is that big, weight is also weighed consumptive material volume again.Another aspect manual electric arc welding is as industrial equipment, and use environment generally compares evil
It is bad, it is higher for requirement of shelter.
Utility model content
It is a kind of with good three proofings effect to provide the utility model discloses a kind of twin voltage waterproof arc welder
Hand arc welding machine.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
A kind of twin voltage waterproof arc welder, wherein, including：One housing, the housing includes front panel, rear board, lid
It is provided with plate, bottom plate, the housing in a middle plate, the housing and is also equipped with a control device, the control device bag
Include：Rectification filtering module, IGBT inversion modules, main transformer pressure reducing mechanism, the secondary rectification module being sequentially connected in series, the secondary rectification
A PWM governor motions are serially connected between module output end and the IGBT inversion modules；Machine handle is installed on the cover plate,
The PWM governor motions, the IGBT inversion modules are by gluing process plastic packaging in the housing.
Twin voltage waterproof arc welder as described above, wherein, preceding plastic housing, the PWM are installed on the inside of the front panel
Governor motion is by gluing process plastic packaging in the preceding plastic housing.
Twin voltage waterproof arc welder as described above, wherein, middle plastic housing is installed, the IGBT is inverse on the middle plate
Change module is by gluing process plastic packaging in the middle plastic housing.
Twin voltage waterproof arc welder as described above, wherein, the PWM governor motions include：PWM chip and driving electricity
Road, external characteristic control circuit and pi regulator, voltage sampling circuit, current sampling circuit.
Twin voltage waterproof arc welder as described above, wherein, the control device also includes：Voltage detecting switch boards,
There is a voltage detecting switch boards plastic housing, the voltage detecting switch boards are by gluing process plastic packaging described on the middle plate
In voltage detecting switch boards plastic housing.
Twin voltage waterproof arc welder as described above, wherein, the front panel includes：It is provided with plastic housing, plastic housing
Panel, intermediate module, the top panel have the electric current display window being connected with control device, welding indicator lamp, protection respectively
Indicator lamp, push current adjusting knob, welding current adjusting knob；The intermediate module is provided with：Negative pole snap joint seat, just
Extremely fast plinth.
Twin voltage waterproof arc welder as described above, wherein, power switch, ground wire screw are installed on the rear board
Fan is installed in installation portion, water joint installation portion, air inlet, the air inlet.
Twin voltage waterproof arc welder as described above, wherein, the IGBT inversion modules include：One inversion plate, one
IGBT radiators, four single tube IGBT, the inversion plate are arranged on the middle plate by an inversion plate plastic packaging shell.
The main transformer pressure reducing mechanism has a secondary coil, and the secondary coil is connected with the secondary rectification module.
Twin voltage waterproof arc welder as described above, wherein, the secondary rectification module includes：Two secondary cowling panels,
Secondary rectification radiator, the secondary rectification radiator is fixedly mounted on the lower section of the IGBT inversion modules by insulation board,
Secondary cowling panel exposed conductive part passes through gluing process plastic packaging.
In summary, by adopting the above-described technical solution, the utility model, which provides one kind, has good water proof and dust proof
The hand arc welding machine of effect, by passing through encapsulating and gluing process plastic packaging to the part in control device so that this practicality is new
Type three proofings effect is good, and reliably, efficiently, energy-conservation, processing performance is excellent, cost performance is high, small volume, lightweight, noise are low.
Brief description of the drawings
Fig. 1 is the structured flowchart of the control device of the utility model twin voltage waterproof arc welder；
Fig. 2 is the structure front view of the utility model twin voltage waterproof arc welder；
Fig. 3 is the structure right view of the utility model twin voltage waterproof arc welder；
Fig. 4 is the structure left view of the utility model twin voltage waterproof arc welder；
Fig. 5 is the structure rearview of the utility model twin voltage waterproof arc welder.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples：
Fig. 1 is the structured flowchart of the control device of the utility model twin voltage waterproof arc welder, and Fig. 2 is the utility model
The structure front view of twin voltage waterproof arc welder, Fig. 3 is the structure right view of the utility model twin voltage waterproof arc welder,
Fig. 4 is the structure left view of the utility model twin voltage waterproof arc welder, and Fig. 5 is the utility model twin voltage waterproof arc welding
The structure rearview of machine, refers to Fig. 1 ~ 5, a kind of twin voltage waterproof arc welder, wherein, including：One housing, before housing includes
It is provided with panel, rear board, cover plate, bottom plate, housing in a middle plate 61, housing and is also equipped with a control device, control dress
Put including：Rectification filtering module, IGBT inversion modules, main transformer pressure reducing mechanism 50, the secondary rectification module being sequentially connected in series, it is secondary whole
A PWM governor motions 42 are serially connected between flow module output end and IGBT inversion modules；Machine handle 40 is installed on cover plate,
PWM governor motions 42, IGBT inversion modules are by gluing process plastic packaging in housing.
Further, plastic housing 41 before being provided with the inside of front panel, PWM governor motions 42 are by gluing process plastic packaging in preceding modeling
Air outlet 11 is offered in shell 41, on front panel.
Further, middle plastic housing 62 is installed, inversion plate 45 is by gluing process plastic packaging in middle plastic housing 62 on middle plate 61
Interior, middle plastic housing 62 may be mounted at the rear portion of middle plate 61.
Further, PWM governor motions 42 include：PWM chip is adjusted with drive circuit, external characteristic control circuit and PI
Device, voltage sampling circuit, current sampling circuit.
Further, control device also includes：On voltage detecting switch boards 43, middle plate 61 there is a voltage detecting to switch
Plate plastic housing 57, voltage detecting switch boards 43 are by gluing process plastic packaging in voltage detecting switch boards plastic housing 57.
Further, the second plastic packaging shell 57 can also be connected loaded on the front of middle plate 61 with middle plate, and voltage detecting is cut
Plate 43 is changed loaded on the top of voltage detecting switch boards plastic housing 57, and uses gluing process that current-carrying part is filling.
Further, front panel includes：Top panel 19, intermediate module 31,19 points of top panel are installed in plastic housing 1, plastic housing 1
The electric current display window 2 that Ju You be connected with control device, welding indicator lamp, protection indicator lamp 4, push current adjusting knob 5,
Welding current adjusting knob 16；Intermediate module 31 is provided with：Negative pole snap joint seat 7, positive pole snap joint seat 13.
Further, be provided with rear board power switch 22, ground wire screw installation portion 30, water joint installation portion 28,
Fan 59 is installed in air inlet 26, air inlet 26.
Further, IGBT inversion modules include：One inversion plate 45, an IGBT radiators, the top of IGBT radiators 60 have
For fixing thermoswitch mounting hole 46, inversion plate 45 is arranged on middle plate 61 by the plastic packaging shell of an inversion plate 45.
Further, the lower section of middle plate 61 is also equipped with filtering with multiplication of voltage capacitor board, for plastic packaging filtering and multiplication of voltage
The plastic housing of capacitor board, is defined as the 4th plastic housing 52, filters out high-frequency harmonic electric capacity 44, rectifier bridge 58.The lower section of middle plate 61 is also
Being provided with IGBT radiators 60, the top of IGBT radiators 60 has for fixing thermoswitch mounting hole 46.Specifically, the 4th plastic packaging
Shell 52 hangs on the lower section of middle plate 61 front side, and filtering and multiplication of voltage capacitor board are fixed therein into portion, and is moulded by gluing process
Envelope.
Further, main transformer pressure reducing mechanism 50 has a secondary coil, and secondary coil is connected with secondary rectification module.（It is main
Become pressure reducing mechanism be common main transformer without any specially treated, common transformer its overall pass through paint-dipping process）Enter one
Step, secondary rectification module includes：Two secondary cowling panels 49, secondary rectification radiator 63, secondary rectification radiator 63 is by exhausted
Listrium is fixedly mounted on the lower section of IGBT inversion modules；Secondary rectification radiator 63 is consolidated by using insulation board 56 and insulation board 48
Due to the lower section of IGBT radiators 60, positive pole output aluminium strip 55 is used for connecting secondary rectification radiator 63 and exported with snap joint positive pole
Seat 13.
The utility model PWM governor motions 42 are using SMT surface mounting technologies and with perfect over-voltage protection function
（More than setting reference voltage machine automatically into guard mode, machine automatically cuts off output, recovers after voltage is reduced to normally
Work）, under-voltage protection function（Less than setting reference voltage machine automatically into guard mode, machine automatically cuts off output, works as electricity
Pressure is recovered to normal, into working condition）, overcurrent protection function（Sample rate current exceedes after single pipe current, and machine, which enters, to be protected
Protect working condition, cut-out output）The reliability of effective guarantee machine.VRD no-load protection functions, are down to machine floating voltage
15V, less than national standard safe voltage 36V, so as to protect user's Electrical Safety, enters normal operating conditions during welding.Separately
Outside, the overall wiring board current-carrying part of PWM governor motions 42 uses electronics gluing process plastic packaging in plastic packaging shell 41, because it is modeling
Shell insulate, using electronics by the way that either iron filings, dust are also after gluing process plastic packaging glue or water can not all have influence on its performance.
The utility model voltage detecting switch boards 43, due to using switching power circuit, it is compared to conventional power source change
Depressor, switching frequency is high, small volume, lightweight, high conversion efficiency, because Switching Power Supply is reached by adjusting dutycycle PWM
Voltage stabilizing purpose, duty cycle range is relatively wide, it is possible to accomplish that input voltage range is broader.The utility model is in AC120-
560V conditions all can normal work, be equally applicable to generator powered mode in field construction operation.Voltage detecting switch boards 43
With 220V/380V voltage automatic switching functions, a variety of power supply modes of client are met.Further, since welding machine working environment is usual
More severe, the utility model voltage detecting switch boards 43 are using electronics gluing process plastic packaging in plastic packaging shell 57.It can accomplish to prevent
Dirt, waterproof.Effectively improve reliability and service life.
The utility model inversion plate 45, using full-bridge inverting technology, power output is powerful.Compared to half-bridge under equal output
Inversion transformation technique, single pipe current is half as large, is favorably improved whole aircraft reliability.In addition, inversion plate 45 uses electronics dispensing work
Skill plastic packaging is in plastic packaging shell 62, so it can accomplish dust-proof, waterproof.
Because all wiring board current-carrying parts of the utility model are by processing, tests prove that, the utility model is in water
After middle bubble, pull out and drain the water, normal weld.
Claims (10)
1. a kind of twin voltage waterproof arc welder, it is characterised in that including：One housing, the housing includes front panel, below
It is provided with plate, cover plate, bottom plate, the housing in a middle plate, the housing and is also equipped with a control device, the control dress
Put including：Rectification filtering module, IGBT inversion modules, main transformer pressure reducing mechanism, the secondary rectification module being sequentially connected in series, it is described secondary
A PWM governor motions are serially connected between rectification module output end and the IGBT inversion modules；Machine is installed on the cover plate
Handle, the PWM governor motions, the IGBT inversion modules are by gluing process plastic packaging in the housing.
2. twin voltage waterproof arc welder according to claim 1, it is characterised in that before being provided with the inside of the front panel
Plastic housing, the PWM governor motions are by gluing process plastic packaging in the preceding plastic housing.
3. twin voltage waterproof arc welder according to claim 1, it is characterised in that middle modeling is provided with the middle plate
Shell, the IGBT inversion modules are by gluing process plastic packaging in the middle plastic housing.
4. twin voltage waterproof arc welder according to claim 1, it is characterised in that the PWM governor motions include：
PWM chip and drive circuit, external characteristic control circuit and pi regulator circuit, voltage sampling circuit, current sampling circuit.
5. twin voltage waterproof arc welder according to claim 1, it is characterised in that the control device also includes：Electricity
There is a voltage detecting switch boards plastic housing on pressure detection switch boards, the middle plate, the voltage detecting switch boards pass through dispensing
Technique plastic packaging is in the voltage detecting switch boards plastic housing.
6. twin voltage waterproof arc welder according to claim 1, it is characterised in that the front panel includes：Plastic housing, modeling
Top panel, intermediate module are installed, the top panel has the electric current display window being connected with control device, welding respectively in shell
Indicator lamp, protection indicator lamp, push current adjusting knob, welding current adjusting knob；The intermediate module is provided with：Negative pole is fast
Quick coupling seat, positive pole snap joint seat.
7. twin voltage waterproof arc welder according to claim 1, it is characterised in that be provided with power supply on the rear board
Fan is installed in switch, ground wire screw installation portion, water joint installation portion, air inlet, the air inlet.
8. twin voltage waterproof arc welder according to claim 1, it is characterised in that the IGBT inversion modules include：
One inversion plate, an IGBT radiators, four single tube IGBT, the inversion plate are arranged on the middle level by an inversion plate plastic packaging shell
On plate.
9. twin voltage waterproof arc welder according to claim 1, it is characterised in that the main transformer pressure reducing mechanism has one
Secondary coil, the secondary coil is connected with the secondary rectification module.
10. twin voltage waterproof arc welder according to claim 1, it is characterised in that the secondary rectification module includes：
Two secondary cowling panels, secondary rectification radiator, it is inverse that the secondary rectification radiator is fixedly mounted on the IGBT by insulation board
Become the lower section of module, the secondary cowling panel exposed conductive part passes through gluing process plastic packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432861.8U CN206425675U (en) | 2016-12-26 | 2016-12-26 | Twin voltage waterproof arc welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432861.8U CN206425675U (en) | 2016-12-26 | 2016-12-26 | Twin voltage waterproof arc welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206425675U true CN206425675U (en) | 2017-08-22 |
Family
ID=59586960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432861.8U Active CN206425675U (en) | 2016-12-26 | 2016-12-26 | Twin voltage waterproof arc welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206425675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624301A (en) * | 2016-12-26 | 2017-05-10 | 上海沪通企业集团有限公司 | Double-voltage waterproof electric arc welder |
-
2016
- 2016-12-26 CN CN201621432861.8U patent/CN206425675U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624301A (en) * | 2016-12-26 | 2017-05-10 | 上海沪通企业集团有限公司 | Double-voltage waterproof electric arc welder |
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