CN206764112U - A kind of cooling system of IGBT inverter type welders - Google Patents
A kind of cooling system of IGBT inverter type welders Download PDFInfo
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- CN206764112U CN206764112U CN201720532054.1U CN201720532054U CN206764112U CN 206764112 U CN206764112 U CN 206764112U CN 201720532054 U CN201720532054 U CN 201720532054U CN 206764112 U CN206764112 U CN 206764112U
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- heat pipe
- cabinet
- inner tank
- coolant
- evaporation
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Abstract
The utility model discloses a kind of cooling system of IGBT inverter type welders, including cabinet, polylith circuit board is provided with cabinet, inner tank is provided between adjacent two circuit board, coolant is provided with inner tank, and the top of inner tank is connected with evaporation heat pipe and condensation heat pipe by check valve；The upper surface of cabinet is provided with outer tank, and coolant is provided with outer tank；Evaporation heat pipe is upwardly extended and passes through the top plate of cabinet, and condensation heat pipe upwardly extends and passes through the top plate of cabinet, and evaporation heat pipe is connected with condensation heat pipe by the connection heat pipe of bending, and connection heat pipe is located in the coolant of outer tank；The pressure in circulation canal that inner tank, condensation heat pipe, connection heat pipe and evaporation heat pipe form is the 1/4 to 1/3 of atmospheric pressure.The system, good heat dissipation effect, it is not necessary to heat emission hole is opened up on cabinet, so as to prevent the dust of outside from entering in cabinet and adhere on circuit boards, advantageously ensures that the element on circuit board is swimmingly run.
Description
Technical field
It the utility model is related to welding machine field, and in particular to a kind of cooling system of IGBT inverter type welders.
Background technology
In recent years, IGBT inverter type welders are with series of advantages such as its excellent welding performance, energy-conservation, small volume, light weights
Paid much attention to by domestic external welding circle, it has also become the main direction of development of electric welding machine, obtaining more and more extensive answer
With.Electric elements species inside IGBT inverter type welders is various, is usually integrated according to function on polylith circuit board, then by electricity
Road plate is arranged in casing.After power on circuitry, each element can produce substantial amounts of heat, after temperature rise, to IGBT inverters
Influence is very big, causes IGBT inverters unstable, it is therefore necessary to ensure good radiating.Existing radiator structure includes leading
Hot fin, heat is exported to outside cabinet out of cabinet using thermal conductivity good material, this mode radiating rate is slower.Also
Fan heat can be used, the hot-air in cabinet is discharged using fan, accelerates air exchange, this mode is needed in cabinet
On open up heat emission hole, outside dust is easily accessible in cabinet, influences the work of electronic component.
Utility model content
It is inverse that the purpose of this utility model is to provide the IGBT that a kind of radiating rate is fast, external dust will not enter in cabinet
Become the cooling system of welding machine.
What the purpose of this utility model was realized in：A kind of cooling system of IGBT inverter type welders, including cabinet, it is described
Polylith circuit board is provided with cabinet, the circuit board is vertically arranged, and inner tank is provided between adjacent two circuit board, described
Coolant is provided with inner tank, and the top of inner tank is connected with evaporation heat pipe and condensation heat pipe by check valve, with
The conducting direction for evaporating the connected check valve of heat pipe is by, to outside inner tank, being connected in inner tank with condensation heat pipe unidirectional
The conducting direction of valve be by outside inner tank in inner tank；The upper surface of the cabinet is provided with outer tank, described outer
Coolant is provided with portion's water tank；The evaporation heat pipe upwardly extends and passes through the top plate of cabinet, and the condensation heat pipe prolongs upwards
Stretch and pass through the top plate of cabinet, the evaporation heat pipe is connected with condensation heat pipe by the connection heat pipe of bending, the connection heat pipe
In the coolant of outer tank；The inner tank, condensation heat pipe, connection heat pipe and the circulation canal for evaporating heat pipe composition
Interior pressure is the 1/4 to 1/3 of atmospheric pressure.
Further, the outer tank includes casing and top cover, and the top cover is detachably connected with casing, the casing
Bottom be provided with discharge outlet, the discharge outlet is connected with drainpipe.
Further, the evaporation heat pipe is swan-neck.
Further, the coolant is water.
Further, it is provided with thermally conductive sheet on the madial wall and lateral wall of the inner tank.
Further, the inwall at the connection heat pipe both ends is tapered, and internal diameter successively decreases from outside to inside, the connection heat pipe
The inwall at both ends is provided with elastic seal cartridge, and the outer surface of the elastic seal cartridge is the taper with being connected heat pipe cooperation, described
The outer end of elastic seal cartridge is provided with the back-up ring of annular, and the evaporation heat pipe is located at elastic seal cartridge with the end for condensing heat pipe
It is interior, and elastic seal cartridge inwall with evaporation heat pipe and condensation heat pipe interference fit, outer wall and be connected heat pipe be interference fitted, back-up ring and
Connect heat pipe（7）End face be pressed into contact with.
The beneficial effects of the utility model are：Heat pipe is new radiating piece, and its thermal conductivity factor is high, and heat absorption is fast, utilizes steaming
Hair refrigeration.Because the pressure in the circulation canal of inner tank, condensation heat pipe, connection heat pipe and evaporation heat pipe composition is atmospheric pressure
1/4 to 1/3, reduce the boiling point of coolant so that the evaporation rate of coolant is accelerated, and rapidly can absorb inside welding machine
Heat, after the coolant evaporation in inner tank, enter connection heat pipe by evaporating heat pipe, due to connection heat pipe be immersed in it is outer
In the coolant of portion's water tank, steam cools down quickly, then flows back to inner tank by condensing heat pipe.Coolant is constantly evaporated cold
It is solidifying, realize that circulation heat absorption radiates.The system, good heat dissipation effect, it is not necessary to heat emission hole is opened up on cabinet, so as to prevent outside
Dust enters in cabinet and adhered on circuit boards, advantageously ensures that the element on circuit board is swimmingly run.
Brief description of the drawings
Fig. 1 is schematic front view of the present utility model.
Fig. 2 is schematic side view of the present utility model.
Fig. 3 is connection diagram of the utility model connection heat pipe with evaporating heat pipe.
Reference：1-cabinet；2-circuit board；3-inner tank；4-evaporation heat pipe；5-outer tank；6-cold
Solidifying heat pipe；7-connection heat pipe；8-discharge outlet；9-drainpipe；10-check valve；11-thermally conductive sheet；12-elastic seal cartridge；
13-back-up ring.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2 and Figure 3, the cooling system of a kind of IGBT inverter type welders of the present utility model, including cabinet 1,
For cabinet 1 using stainless steel or the housing of aluminium alloy, thermal conductivity is strong, contributes to auxiliary heat dissipation.Polylith electricity is provided with the cabinet 1
Road plate 2, circuit board 2 use aluminium sheet, integrate various functions circuit, circuit board 2 can be divided into driving plate, control panel, inspection flowing plate,
IGBT board, fast extensive circuit board, panel control panel etc., realize the functions such as the rectification of power supply, inversion, filtering, protection, control, circuit
Interconnection between the mounting means and circuit board 2 of circuit structure, circuit board 2 on plate 2 uses prior art.Institute
State circuit board 2 to be vertically arranged, inner tank 3 is provided between adjacent two circuit board 2, the use thermal conductivity of inner tank 3 is strong, resistance to compression
The strong material of ability, such as copper alloy, ensure faster heat absorption speed.Coolant is provided with the inner tank 3, and it is internal
The top of water tank 3 is connected with evaporation heat pipe 4 and condensation heat pipe 6 by check valve 10, the check valve 10 being connected with evaporation heat pipe 4
Conducting direction is by outside inner tank 3, the conducting direction for the check valve 10 being connected with condensation heat pipe 6 is served as reasons in inner tank 3
Inner tank 3 is outer in inner tank 3；The upper surface of the cabinet 1 is provided with outer tank 5, and outer tank 5 uses in general
Container, intensity, radiating are not required.Coolant is provided with the outer tank 5；The evaporation heat pipe 4 prolongs upwards
Stretch and pass through the top plate of cabinet 1, the condensation heat pipe 6 upwardly extends and through the top plate of cabinet 1, the evaporation heat pipe 4 and cold
Solidifying heat pipe 6 is connected by the connection heat pipe 7 of bending, and heat pipe is new radiator structure, and its thermal conductivity is very high, and radiating rate is fast.
The connection heat pipe 7 is located in the coolant of outer tank 5.The inner tank 3, condensation heat pipe 6, connection heat pipe 7 and evaporation
The pressure in circulation canal that heat pipe 4 forms is the 1/4 to 1/3 of atmospheric pressure, the low boiling point of coolant, and evaporation rate is fast.Assembling
When, first circuit board 2 is installed, then inner tank 3 is installed, heat pipe 4 and condensation heat pipe 6 are evaporated in then installation, then will evaporation
Heat pipe 4 and condensation heat pipe 6 are connected with being connected heat pipe 7, then will evaporation heat pipe 4, condensation heat pipe 6, connection heat pipe 7 and inner tank 3
Interior air is extracted out, is declined internal pressure, is finally injected appropriate coolant, sealing system.Welding machine be powered in use,
Inner tank 3 is absorbed heat and transfers heat to its internal coolant, coolant evaporation, is taken away substantial amounts of heat, is then passed through steaming
Heat-generating pipe 4 enters connection heat pipe 7, and exchange heat simultaneously condensation liquefaction, then pass through in heat pipe 7 is connected with the coolant in outer tank 5
Condensation heat pipe 6 flows back to inner tank 3, by cyclically evaporating and condensing, can take away the heat in cabinet 1.The system, dissipate
Thermal effect is good, it is not necessary to heat emission hole is opened up on cabinet 1, so as to prevent the dust of outside from entering in cabinet and be adhered to circuit board
On 2, advantageously ensure that the element on circuit board 2 is swimmingly run.5 two water tanks of inner tank 3 and outer tank are set, not only
Radiating effect is improved, also reduces the space inside casing 1, avoids the volume of casing 1 excessive.
When welding machine run time is longer, the coolant temperature in outer tank 5 gradually rises, and can influence condensation effect,
Therefore, the outer tank 5 includes casing and top cover, and the top cover is detachably connected with casing, and the bottom of the casing is set
There is discharge outlet 8, the discharge outlet 8 is connected with drainpipe 9, for changing coolant.In use, removing top cover, accelerate coolant
Radiating, while can easily add new coolant.
In order to increase heat exchange area, the evaporation heat pipe 4 is swan-neck.
Coolant can use ethanol solution etc., it is preferred that the coolant is water.
In order to accelerate speed of absorbing heat, thermally conductive sheet 11 is provided with the madial wall and lateral wall of the inner tank 3.
In order to facilitate connection heat pipe 7 with evaporating heat pipe 4 and condensing the connection of heat pipe 6, the inwall at connection heat pipe 7 both ends
It is tapered, and internal diameter successively decreases from outside to inside, the inwall at connection heat pipe 7 both ends is provided with elastic seal cartridge 12, the elasticity
The outer surface of sealing shroud 12 is the taper with being connected the cooperation of heat pipe 7, and the outer end of the elastic seal cartridge 12 is provided with the gear of annular
The end of circle 13, the evaporation heat pipe 4 and condensation heat pipe 6 is located in elastic seal cartridge 12, and the inwall of elastic seal cartridge 12 is with steaming
Heat-generating pipe 4 and condensation heat pipe 6 are interference fitted, and outer wall is interference fitted with being connected heat pipe 7, and back-up ring 13 is pressed with being connected the end face of heat pipe 7
Close contact.Elastic seal cartridge 12 and back-up ring 13 are integrally formed using quality of rubber materials.Will connection heat pipe 7 and evaporation heat pipe 4 and condensation
After heat pipe 6 connects, then when being vacuumized, the pressure inside pipe reduces, and elastic seal cartridge 12 is in the presence of external pressure
Inwardly motion, it is tightly packed between connection heat pipe 7 and evaporation heat pipe 4, and between connection heat pipe 7 and condensation heat pipe 6, protects
Demonstrate,prove good sealing.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of cooling system of IGBT inverter type welders, including cabinet（1）, the cabinet（1）Inside it is provided with polylith circuit board
（2）, it is characterised in that：The circuit board（2）It is vertically arranged, adjacent two circuit board（2）Between be provided with inner tank（3）, institute
State inner tank（3）Inside it is provided with coolant, and inner tank（3）Top pass through check valve（10）It is connected with evaporation heat pipe
（4）With condensation heat pipe（6）, with evaporating heat pipe（4）Connected check valve（10）Conducting direction be by inner tank（3）It is interior to interior
Portion's water tank（3）Outside, with condensing heat pipe（6）Connected check valve（10）Conducting direction be by inner tank（3）Outside to internal water
Case（3）It is interior；The cabinet（1）Upper surface be provided with outer tank（5）, the outer tank（5）Inside it is provided with coolant；Institute
State evaporation heat pipe（4）Upwardly extend and pass through cabinet（1）Top plate, the condensation heat pipe（6）Upwardly extend and pass through cabinet（1）
Top plate, the evaporation heat pipe（4）With condensation heat pipe（6）Pass through the connection heat pipe of bending（7）Connection, the connection heat pipe（7）
Positioned at outer tank（5）Coolant in；The inner tank（3）, condensation heat pipe（6）, connection heat pipe（7）With evaporation heat pipe
（4）Pressure in the circulation canal of composition is the 1/4 to 1/3 of atmospheric pressure.
A kind of 2. cooling system of IGBT inverter type welders according to claim 1, it is characterised in that：The outer tank
（5）Including casing and top cover, the top cover is detachably connected with casing, and the bottom of the casing is provided with discharge outlet（8）, it is described
Discharge outlet（8）It is connected with drainpipe（9）.
A kind of 3. cooling system of IGBT inverter type welders according to claim 1, it is characterised in that：The evaporation heat pipe
（4）For swan-neck.
A kind of 4. cooling system of IGBT inverter type welders according to claim 1, it is characterised in that：The coolant is
Water.
A kind of 5. cooling system of IGBT inverter type welders according to claim 1, it is characterised in that：The inner tank
（3）Madial wall and lateral wall on be provided with thermally conductive sheet（11）.
A kind of 6. cooling system of IGBT inverter type welders according to claim 1, it is characterised in that：The connection heat pipe
（7）The inwall at both ends is tapered, and internal diameter successively decreases from outside to inside, the connection heat pipe（7）The inwall at both ends sets flexible close
Big envelope（12）, the elastic seal cartridge（12）Outer surface be with being connected heat pipe（7）The taper of cooperation, the elastic seal cartridge
（12）Outer end be provided with annular back-up ring（13）, the evaporation heat pipe（4）With condensation heat pipe（6）End be located at elastic packing
Set（12）It is interior, and elastic seal cartridge（12）Inwall and evaporation heat pipe（4）With condensation heat pipe（6）Interference fit, outer wall is with being connected heat
Pipe（7）Interference fit, back-up ring（13）With being connected heat pipe（7）End face be pressed into contact with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720532054.1U CN206764112U (en) | 2017-05-15 | 2017-05-15 | A kind of cooling system of IGBT inverter type welders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720532054.1U CN206764112U (en) | 2017-05-15 | 2017-05-15 | A kind of cooling system of IGBT inverter type welders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206764112U true CN206764112U (en) | 2017-12-19 |
Family
ID=60639945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720532054.1U Active CN206764112U (en) | 2017-05-15 | 2017-05-15 | A kind of cooling system of IGBT inverter type welders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206764112U (en) |
-
2017
- 2017-05-15 CN CN201720532054.1U patent/CN206764112U/en active Active
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