CN206194733U - Polycrystal pipe is fixed with layering and power inverter - Google Patents

Abstract

There is the installation troublesome poeration for overcoming current polycrystal pipe mounting means, the inaccurate problem in location, the utility model provides a polycrystal pipe is fixed with layering and power inverter, this polycrystal pipe is fixed to include the layering body with the layering, the layering body is rectangular adj. Tabular, the layering body has set gradually a plurality of installation through -holes along its length direction, the installation through -hole communicates respectively the upper and lower surface of layering body, the lower surface of layering body has set gradually a plurality of being used for along its length direction and has fixed the spacing groove of brilliant pipe, a plurality of installation through -holes and a plurality of spacing grooves dislocation set on the length direction of layering body, be equipped with in the spacing groove and deviate from the reference column that the spacing groove extends for with the mounting hole interference fit of crystalline substance pipe, power inverter includes the fixed layering of using of this polycrystal pipe. The utility model discloses an institutional advancement realizes the disposable assembly of polycrystal pipe, improves the degree of accuracy of installation location simultaneously.

Description

A kind of polycrystalline pipe fixation press strip and power inverter

Technical field

The utility model belongs to frequency converter crystalline substance pipe mounting structure technical field, and in particular to a kind of polycrystalline pipe fixation press strip And power inverter.

Background technology

The brilliant pipes of TO247 (the brilliant pipe of hereinafter referred) that current frequency converter is used are applied to industry-by-industry, the heating of its power attenuation Amount is big, must be connected to transmit heat with radiator, it is to avoid brilliant pipe crosses cause thermal damage, the brilliant pipe service life of extension.Therefore brilliant pipe radiating effect Fruit is an important indicator of frequency converter performance, so that brilliant pipe has become design key with the radiator way of contact.

As shown in figure 1, being the structural representation of brilliant pipe, mounting hole 11, limited impression 12 are provided with the brilliant pipe 1 and are drawn Pin 13, the mounting hole 11 and pin 13 are respectively arranged at the two ends of brilliant pipe 1, and the quantity of the pin 13 is 3, described spacing The quantity of groove 12 is 2, respectively positioned at the left and right sides of brilliant pipe 1.

Brilliant pipe probably has following several with the mounting means state-of-the-art technology of radiator at present：

A kind of screw is directly connect on a heat sink by the pore pressure on brilliant tube body, and silica gel is used between crystalline substance pipe and radiator Cloth is dielectrically separated from.When multiple crystalline substance pipes are installed, brilliant pipe single must successively coat heat dissipating silicone grease, and this mounting means can be consumed very much Man-hour, and it is inconvenient in application silicone grease, silicone grease is easily stained with operator on hand, this mode also has one disadvantage in that, screw leads to The hole crossed on brilliant tube body and the through hole of silica gel cloth even on a heat sink, when having displacement when silica gel cloth is installed, radiator and crystalline substance The risk of the presence safety distance deficiency of tube body metal part.

One kind is pressed with single plastic cover, and screw pressure plastic cover mode is come the pressing of brilliant pipe on a heat sink, this mode Screw is increased with the distance of brilliant pipe metal part, guarantee meets safe insulation requirement.This mode is equally existed to be entered because palpus is single Row application radiator silicone grease and consume the shortcoming in excessive man-hour.

Another kind is that the pressing for carrying out multiple crystalline substance pipes by press strip is fixed, the brilliant pipe of the mounting means cannot be completely fixed, It is accurately positioned, especially during fastening screw, it is easy to rotate skew, and when the plane of radiator is non-horizontal surface When, brilliant Guan Yi is subjected to displacement, and operating personnel also need to carry out pre-determined bit, troublesome poeration to brilliant pipe while installing；Carrying out spiral shell Fulcrum effect easily is formed in both sides when nail is fixed, so that stress causes the both sides of press strip to tilt, fixed effect is influenceed.

Utility model content

There is installation operation trouble for existing polycrystalline pipe mounting means, the inaccurate problem of positioning, the utility model is provided A kind of polycrystalline pipe fixation press strip and power inverter, are improved by structure, realize that polycrystalline pipe is disposably assembled, while improving The degree of accuracy of positioning is installed.

The technical scheme that the utility model solution above-mentioned technical problem is used is as follows：

A kind of polycrystalline pipe fixation press strip, including press strip body are provided, the press strip body is long strip-board shape, the press strip Body is disposed with multiple installation through-holes along its length, and the installation through-hole is respectively communicated with the upper and lower of the press strip body Surface, the lower surface of the press strip body is disposed with multiple stopper slots for fixing the brilliant pipe along its length, The multiple installation through-hole is shifted to install with multiple stopper slots on the length direction of press strip body；The back of the body is provided with the stopper slot From the locating dowel that the stopper slot extends, for the mounting hole interference fit with brilliant pipe.

Further, the locating dowel is provided with groove along its length, and the groove axially penetrates through institute along locating dowel State locating dowel, the groove along locating dowel the outer peripheral sidewall for extending radially through locating dowel.

Further, blind hole is provided with the stopper slot, the blind hole and pin bores group are located at stopper slot along pressure respectively The two ends of the width of bar body, the locating dowel is located at the inside of the blind hole.

Further, the stopper slot is internally recessed along the bottom surface of the press strip body, and the stopper slot is along press strip The width of body extends, and the two ends of the stopper slot are extended through to the both sides side wall of the press strip body.

Further, the press strip body is disposed with multigroup pin exposed for brilliant pipe pin along its length Hole group.

Further, multigroup pin bores group is consistent with the quantity of multiple stopper slots, and each group of pin bores group is wrapped respectively 3 pin through holes are included, the pin through hole is respectively communicated with the upper surface of the press strip body and the stopper slot.

Further, the stopper slot is respectively provided on two sides with limited block.

Further, location-plate is provided with the stopper slot, the location-plate and the pin bores group are located at institute respectively The same one end of stopper slot along the width of press strip body is stated, the location-plate and the locating dowel are located at the stopper slot respectively Along the two ends of the width of press strip body.

Further, the upper surface of the press strip body is additionally provided with multiple counterbores, and the multiple counterbore is installed with multiple Through hole is corresponded and set, and the internal diameter of the counterbore is more than the installation through-hole, and the counterbore is coaxial with the installation through-hole Set.

A kind of power inverter, including radiator, brilliant pipe, insulation silica gel cloth and press strip as described above, the brilliant pipe Quantity is multiple, and the insulation silica gel cloth is located between the brilliant pipe and radiator, and the press strip is pressed on the top of the brilliant pipe Portion, the brilliant pipe is threaded hole in the stopper slot of the press strip on the radiator, setting screw sequentially passes through described The installation through-hole of press strip and the insulation silica gel cloth are simultaneously connected in the screwed hole.

According to the polycrystalline pipe fixation press strip that the utility model is provided, the press strip body is used to for brilliant pipe to be pressed on radiating The surface of device, brilliant pipe is arranged between press strip and radiator, is fixed by installation through-hole, in the lower surface of press strip body There is provided stopper slot, when being installed, the stopper slot on press strip body can carry out spacing to brilliant pipe, it is to avoid brilliant pipe exists Deflected in fixation procedure and shifted, improve the degree of accuracy of positioning.

The locating dowel extended away from the stopper slot is provided with the stopper slot, is matched somebody with somebody for the mounting hole interference with brilliant pipe Close, brilliant pipe can be fixed in stopper slot, while avoiding displacement of the brilliant pipe on press strip body width direction, prevent brilliant pipe from existing By being come off in installation or moving process, hand-held several the brilliant pipes of production operation personnel are facilitated integrally to smear radiator silicone grease, Save man-hour, it is to avoid production operation personnel's hand is stained with silicone grease.

Brief description of the drawings

Fig. 1 is the structural representation of the brilliant pipe that the utility model embodiment 1 is provided；

Fig. 2 is the structural representation of the polycrystalline pipe fixation press strip that the utility model embodiment 1 is provided；

Fig. 3 is the polycrystalline substance schematic diagram of the polycrystalline pipe fixation press strip that the utility model embodiment 1 is provided；

Fig. 4 is the enlarged diagram at A in Fig. 3；

Fig. 5 is the polycrystalline pipe fixation press strip and brilliant pipe cooperation schematic diagram that the utility model embodiment 1 is provided；

Fig. 6 is the front view of Fig. 5；

Fig. 7 is the structural representation that the polycrystalline pipe that the utility model embodiment 2 is provided is installed.

Reference in Figure of description is as follows：

1st, brilliant pipe；11st, mounting hole；12nd, limited impression；13rd, pin；2nd, press strip；21st, press strip body；22nd, stopper slot； 221st, the first stopper slot；222nd, the second stopper slot；223rd, the 3rd stopper slot；23rd, pin through hole；24th, installation through-hole；25th, counterbore； 26th, locating dowel；261st, groove；27th, location-plate；28th, blind hole；29th, limited block；3rd, radiator；4th, insulate silica gel cloth.

Specific embodiment

In order that technical problem, technical scheme and beneficial effect that the utility model is solved become more apparent, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.

In description of the present utility model, it is to be understood that term " length ", " width ", " depth ", " on ", D score, The orientation or position relationship of the instruction such as " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship, merely to It is easy to description the utility model and simplifies description, there must be specifically side rather than the device or element for indicating or imply meaning Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model In, unless otherwise indicated, " multiple " is meant that two or more.

Embodiment 1

Referring to shown in Fig. 2~Fig. 6, present embodiment discloses a kind of polycrystalline pipe fixation press strip, for brilliant pipe 1 in Fig. 1 Fixed installation, the press strip 2 includes press strip body 21, and the press strip body 21 is long strip-board shape, and the press strip body 21 is along it Length direction is disposed with multiple installation through-holes 24, and the installation through-hole 24 is respectively communicated with the upper following table of the press strip body 21 Face, the bottom of the press strip body 21 is disposed with multiple stopper slots 22 for fixing the brilliant pipe 1 along its length, Equidistantly arranged between the multiple stopper slot 22, the length of the multiple installation through-hole 24 and multiple stopper slots 22 in press strip body 21 Degree direction on shift to install, and the installation through-hole 24 one fewer than the quantity of the stopper slot 22 of quantity, i.e., each install Through hole 24 is located between two neighboring stopper slot 22.

The press strip body 21 is used to be pressed on brilliant pipe 1 surface of radiator 3, and brilliant pipe 1 is arranged at into press strip 2 and radiating Between device 3, it is fixed by installation through-hole 24, stopper slot 22 is provided with the lower surface of press strip body 21, is being installed When, the stopper slot 22 on press strip body 21 can carry out spacing to brilliant pipe 1, and brilliant pipe 1 is fixed in the stopper slot 22 Portion, it is to avoid brilliant pipe 1 deflects and shift in fixation procedure, improves the degree of accuracy of positioning.

The stopper slot 22 is internally recessed along the lower surface of the press strip body 21, and the stopper slot 22 is along press strip sheet The width of body 21 extends, and the two ends of the stopper slot 22 are extended through to the both sides side wall of the press strip body 21, described Brilliant pipe 1 is carried out spacing by the both sides side wall of stopper slot 22, and brilliant pipe 1 can be avoided to rotate.

In the present embodiment, as improvement of the present utility model, the quantity of the installation through-hole (24) is 2, the limit The quantity of position groove 22 is set to 3, respectively the first stopper slot 221, the second stopper slot 222 and the 3rd stopper slot 223, and described the One stopper slot 221, the second stopper slot 222 and the 3rd stopper slot 223 are successively side by side in the bottom surface of the press strip body 21, described Depth of the depth of two stopper slots 222 less than the stopper slot 223 of first stopper slot 221 and the 3rd.

Set by the depth to the first stopper slot 221, the second stopper slot 222 and the 3rd stopper slot 223 so that carrying out When brilliant pipe 1 is installed, the height of the realizing middle limiting groove 22 of press strip body 21 is higher than the height of both sides stopper slot 22, carries out screw Fulcrum is formed when fixed, it is to avoid both sides form fulcrum effect and tilt when screw is fixed, and the both sides of press strip body 21 can be made downward Pressing, ensures the mounting surface of the brilliant held against heat sink 3 of pipe 1, improves radiating effect.

As a further improvement, the bottom surface of second stopper slot 222 is horizontal plane；The bottom surface of the first stopper slot 221 It is inclined-plane, depth of first stopper slot 221 near the side of the second stopper slot 222 is spacing away from second more than the first stopper slot 221 The depth of the side of groove 222；The bottom surface of the 3rd stopper slot 223 is inclined-plane, and the 3rd stopper slot 223 is near the side of the second stopper slot 222 Depth more than the 3rd stopper slot 223 away from the side of the second stopper slot 222 depth, by by the first stopper slot 221 and the 3rd The inclined bottom surface of stopper slot 223 is set so that the first stopper slot 221 and the 3rd stopper slot 223 are near second stopper slot 222 Side there is small gap when being contacted with brilliant pipe 1, to adapt to the deformation quantity that produces when screw is installed, it is ensured that first is spacing The bottom surface of groove 221, the second stopper slot 222 and the 3rd stopper slot 223 contacts with the top surface laminating of brilliant pipe 1.

In the present embodiment, the press strip body 21 is disposed with multigroup pin for brilliant pipe 1 along its length The 13 pin bores groups exposed, multigroup pin bores group is corresponded with the multiple stopper slot 22 and set, the pin 13 of brilliant pipe 1 The press strip body 21 is drawn through the pin bores group, the relative position of pin 13 of brilliant pipe 1 is determined, precisely inserted so as to follow-up The pcb board for entering power inverter is welded, and the blindmate effect of pcb board is installed in optimization, while pin bores group can be to different Pin 13 is separated, it is to avoid the electrical interference between different pins 13.

Multigroup pin bores group is consistent with the quantity of multiple stopper slots 22, and each group of pin bores group is drawn including 3 respectively Pin through hole 23, the quantity of pin 13 with brilliant pipe 1 is corresponding, and the pin through hole 23 is respectively communicated with the upper surface of the press strip body 21 With the stopper slot 22, the brilliant pipe 1 is fitted into stopper slot 22 from the bottom of press strip body 21, and 3 pins 13 of brilliant pipe 1 are successively It is inserted through 3 pin through holes 23.

In the present embodiment, be provided with the stopper slot 22 away from the stopper slot 22 extend locating dowel 26, for , can be fixed on brilliant pipe 1 in stopper slot 22 by the interference fit of mounting hole 11 of brilliant pipe 1, while avoiding brilliant pipe 1 in press strip body 21 Displacement on width, prevents brilliant pipe 1 from being come off in falling to take installation or moving process, if facilitating production operation personnel hand-held Dry crystalline substance pipe integrally smears radiator silicone grease, saves man-hour, it is to avoid production operation personnel's hand is stained with silicone grease.

The end of the locating dowel 26 enter the brilliant pipe 1 mounting hole 11 when, due to the diameter of locating dowel 26 More than mounting hole 11 diameter, it is necessary to make the end of locating dowel 26 produce flexure so that locating dowel 26 can pass through it is described Mounting hole 11, in order to realize the flexure of the end of locating dowel 26, the locating dowel 26 is provided with groove 261 along its length, described Groove 261 axially penetrates through the locating dowel 26 along locating dowel 26, and the groove 261 extends radially through locating dowel along locating dowel 26 26 outer peripheral sidewall so that locating dowel 26 radially has certain elastic space at it.

Blind hole 28 is provided with the stopper slot 22, the blind hole 28 and pin bores group are located at stopper slot 22 along press strip respectively The two ends of the width of body 21, the locating dowel 26 is located at the inside of the blind hole 28, is conducive to extending locating dowel 26 Length, so as to improve the flexural property of locating dowel 26, it is to avoid locating dowel 26 is too short to be difficult to bend, so as to influence locating dowel 26 With the cooperation of the upper installing hole 11 of brilliant pipe 1.

In the present embodiment, the stopper slot 22 is respectively provided on two sides with limited block 29, and the limited block 29 is used to engage Limited impression 12 on the brilliant pipe 1, it is spacing for brilliant pipe 1, it is to avoid the body of brilliant pipe 1 is rocked and influences pin 13 to position.

Location-plate 27 is provided with the stopper slot 22, the location-plate 27 and the pin bores group are located at the limit respectively Position groove 22 along the width of press strip body 21 same one end, the location-plate 27 and the locating dowel 26 are located at the limit respectively Position groove 22 along the width of press strip body 21 two ends, in single stopper slot 22 quantity of location-plate 27 be 2 pieces, be located at respectively Between 3 pin through holes 23, the one end of brilliant pipe 1 away from the locating dowel 26 is propped up by location-plate 27, while drawing to brilliant pipe 1 Pin 13 is positioned, in it is respectively enterd corresponding pin through hole 23.

The upper surface of the press strip body 21 is additionally provided with multiple counterbores 25, the multiple counterbore 25 and multiple installation through-holes 24 correspond setting, and the internal diameter of the counterbore 25 is more than the installation through-hole 24, and the counterbore 25 and the installation through-hole 24 are coaxially disposed, the head for housing screw.

Specifically, correspondence first stopper slot 221, the second stopper slot 222 and the 3rd stopper slot 223, are provided with two Counterbore 25.

Embodiment 2

It is shown in Figure 7, present embodiments provide a kind of power inverter, including radiator 3, brilliant pipe 1, insulation silica gel cloth 4 and press strip as described in Example 12, the quantity of the brilliant pipe 1 is multiple, and the insulation silica gel cloth 4 is located at the He of brilliant pipe 1 Between radiator 3, the press strip 2 is pressed on the top of the brilliant pipe 1, and the brilliant pipe 1 is located at the stopper slot 22 of the press strip 2 In, hole is threaded on the radiator 3, installation through-hole 24 and the insulation silicon that screw sequentially passes through the press strip 2 are set Adhesive plaster 4 is simultaneously connected in the screwed hole.

The concrete operation step of the present embodiment is：

Step 1, by 3 of the bending and molding brilliant pipes 1 of pin 13, load the stopper slot 22 of the lower surface of press strip 2, brilliant pipe 1 Pin 13 is sequentially inserted into pin through hole 23, and the locating dowel 26 in stopper slot 22 inserts the mounting hole 11 on the body of brilliant pipe 1, makes brilliant pipe 1 is fitted in the stopper slot 22 of press strip 2；3 brilliant pipes 1 of each press strip 2 correspondence assembling, are assembled into a component of the press strip of entirety 2.

Step 2, by heat-conducting silicone grease in 3 of the component of the above-mentioned first step coated on bottom side of brilliant pipe 1.

Step 3, coat heat-conducting silicone grease in the mounting surface of radiator 3.

Step 4, the precalculated position placement insulation silica gel cloth 4 on the mounting surface of radiator 3.

Step 5, scribbling the component of press strip 2 of heat-conducting silicone grease by precalculated position on above-mentioned radiator 3, and with fixation spiral shell It is urgent that nail sequentially passes through press strip 2, insulation silica gel cloth 4 and screwed hole, completes assembling.

The power inverter that the present embodiment is provided saves material cost, and product size is minimized, and multiple crystalline substance pipes 1 are applied simultaneously Dress silicone grease, shortens the man-hour of operator, while brilliant pipe 1 meets safety distance with radiator 3 on frequency converter, has in installation process Accuracy and uniformity higher, shortens installation time, improves efficiency.

Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of polycrystalline pipe fixation press strip, it is characterised in that including press strip body (21), the press strip body (21) is strip Tabular, the press strip body (21) is disposed with multiple installation through-holes (24), the installation through-hole (24) along its length The upper and lower surface of the press strip body (21) is respectively communicated with, the lower surface of the press strip body (21) sets successively along its length It is equipped with multiple stopper slots (22) for fixing the brilliant pipe (1), the multiple installation through-hole (24) and multiple stopper slots (22) Shifted to install on the length direction of press strip body (21)；It is provided with the stopper slot (22) and is extended away from the stopper slot (22) Locating dowel (26), for crystalline substance pipe (1) mounting hole (11) interference fit.

2. polycrystalline pipe fixation press strip according to claim 1, it is characterised in that the locating dowel (26) side along its length To groove (261) is provided with, the groove (261) axially penetrates through the locating dowel (26), the groove along locating dowel (26) (261) along the outer peripheral sidewall for extending radially through locating dowel (26) of locating dowel (26).

3. polycrystalline pipe fixation press strip according to claim 2, it is characterised in that be provided with the stopper slot (22) blind Hole (28), the blind hole (28) and pin (13) hole group are located at stopper slot (22) along the width of press strip body (21) respectively Two ends, inside of the locating dowel (26) positioned at the blind hole (28).

4. polycrystalline pipe fixation press strip according to claim 1, it is characterised in that the stopper slot (22) is along the press strip The bottom surface of body (21) is internally recessed, and the stopper slot (22) extends along the width of press strip body (21), the limit The two ends of position groove (22) are extended through to the both sides side wall of the press strip body (21).

5. polycrystalline pipe fixation press strip according to claim 1, it is characterised in that the press strip body (21) is along its length Direction is disposed with multigroup pin (13) hole group exposed for crystalline substance pipe (1) pin (13).

6. polycrystalline pipe fixation press strip according to claim 5, it is characterised in that multigroup pin (13) Kong Zuyu is more The quantity of individual stopper slot (22) is consistent, and each group of pin (13) hole group includes 3 pin through holes (23), the pin through hole respectively (23) upper surface and the stopper slot (22) of the press strip body (21) are respectively communicated with.

7. polycrystalline pipe fixation press strip according to claim 1, it is characterised in that the both sides difference of the stopper slot (22) It is provided with limited block (29).

8. polycrystalline pipe fixation press strip according to claim 5, it is characterised in that it is fixed to be provided with the stopper slot (22) Position plate (27), the location-plate (27) and the pin (13) hole group are located at the stopper slot (22) along press strip body (21) respectively Width same one end, the location-plate (27) and the locating dowel (26) are located at the stopper slot (22) along press strip respectively The two ends of the width of body (21).

9. polycrystalline pipe fixation press strip according to claim 1, it is characterised in that the upper surface of the press strip body (21) Multiple counterbores (25) are additionally provided with, the multiple counterbore (25) corresponds with multiple installation through-holes (24) and sets, the counterbore (25) internal diameter is more than the installation through-hole (24), and the counterbore (25) is coaxially disposed with the installation through-hole (24).

10. a kind of power inverter, it is characterised in that including radiator (3), brilliant pipe (1), insulation silica gel cloth (4) and such as right It is required that the press strip (2) in 1~9 described in any one, the quantity of the brilliant pipe (1) is multiple, and insulation silica gel cloth (4) is located at Between the brilliant pipe (1) and radiator (3), the press strip (2) is pressed on the top of the brilliant pipe (1), and the brilliant pipe (1) is located at In the stopper slot (22) of the press strip (2), hole is threaded on the radiator (3), screw is set and sequentially passes through the press strip (2) installation through-hole (24) and insulation silica gel cloth (4) are simultaneously connected in the screwed hole.