CN113991975A

CN113991975A - Special frequency converter for textile machine

Info

Publication number: CN113991975A
Application number: CN202111256792.5A
Authority: CN
Inventors: 姚佳; 顾月刚; 林敏杰; 富勤飞
Original assignee: Zhejiang Jarol Scientific Instrument Co ltd
Current assignee: Zhejiang Jarol Scientific Instrument Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-28

Abstract

The application discloses special converter of weaving machine, the power distribution box comprises a box body, the cable interface has been seted up on the tank wall of box, is provided with the circuit board in the box, still includes the breather pipe, the breather pipe is circular-arcly, the breather pipe sets up on the tank wall of box, and two mouths of pipe of breather pipe are located the box respectively inside and outside, are provided with a plurality of filter plate in the breather pipe, keep parallel between the filter plate, and the breather pipe is located the outer mouth of pipe of box towards bottom of the case one side. The invention has the following beneficial effects: through the combined use of the vent pipe and the plurality of filter screen plates, the vent pipe is free from the phenomenon of being blocked by cotton dust or fluff during ventilation, and the reliability is high.

Description

Special frequency converter for textile machine

Technical Field

The invention relates to the field of electric appliances, in particular to a special frequency converter for a textile machine.

Background

The converter is the very important equipment on the weaving machine at present, because there is cotton dust or fine hair in the weaving workshop that the weaving machine was located, if adopt ordinary general converter easily locate long-pending at radiator and fan and store up fine hair dirt, can cause the jam when serious, damage the converter.

Disclosure of Invention

The invention provides a special frequency converter for a textile machine, aiming at the problems.

The technical scheme adopted by the invention is as follows:

the utility model provides a special converter of weaving machine, includes the box, cable connector has been seted up on the tank wall of box, is provided with the circuit board in the box, still includes the breather pipe, the breather pipe is circular-arcly, the breather pipe sets up on the tank wall of box, and two mouths of pipe of breather pipe are located the box respectively inside and outside, are provided with a plurality of filter plate in the breather pipe, keep parallel between the filter plate, and the breather pipe is located the outer mouth of pipe of box towards bottom of the case one side.

In this frequency converter, through set up the breather pipe on the box, set up a plurality of filter plate in the breather pipe, filter plate is parallel to each other, and staggered arrangement between the filter plate, neglects the aperture of mesh (supposing that the mesh is stifled died) on the filter plate, does not have sharp passageway between the filter plate, and what gas was walked after getting into in the breather pipe is a curve like this, and not a straight line, and the cotton dust and the fine hair that mix in the air current like this can be attached to filter plate on, and the gas that gets into in the box like this does not contain cotton dust and fine hair.

In conclusion, the frequency converter uses the vent pipe and the plurality of filter screen plates in a combined manner, so that the phenomenon that the vent pipe is blocked by cotton dust or fluff does not exist during ventilation, and the reliability is high.

Optionally, the top of the box body is in a V shape, a cavity is formed in the inner wall of the top of the box body, and liquid is filled in the cavity of the top of the box body.

The effect of specific liquid is cooled down, because electronic equipment work can cause gas temperature to rise in the case, gas temperature rises and can upwards flow, so adopt the roof of V word form, set up the cavity in the roof simultaneously, and pack liquid in the cavity, liquid and gaseous heat transfer, gaseous temperature reduces, and because the roof is the V word form, even if there is the dew condensation generation on the roof like this, the dew also can be along domatic oblique slip case edge of box drip again (rely on the gravity of self and with the adhesive force on roof), and not direct drip (because electronic equipment generally installs the centre department at the box, the dew directly drips and leads to equipment to damage easily).

Optionally, still include cover plate and screen cloth piece, be provided with the gas pocket on the tank wall of box, cover plate sets up on the outer wall of box, and cover plate is located the roof department of box, the screen cloth piece is fixed between the box wall of cover plate and box, and the screen cloth piece is in the tilt state for the bottom of the case of box.

The effect of gas pocket is ventilated, near the gas pocket sets up cover plate and screen cloth piece, cover plate and screen cloth piece's effect can prevent the dust and pass through the gas pocket and get into in the box, specifically when the box is in when erectting the state, the position of screen cloth piece and box contact is less than the position of screen cloth piece and cover plate contact, such design can guarantee that the screen cloth piece is in the tilt state for the lateral wall of box, the screen cloth piece is located the below, cover plate is located the below, the dust is when getting into the gas pocket like this, can be attached to the mesh of screen cloth piece, and because the tilt state of screen cloth piece, the dust of attaching to can not pile up at the screen cloth piece, but to box one side enrichment, can keep the unobstructed of screen cloth piece like this all the time, and be convenient for the clearance dust (including cotton dust and fine hair) of attaching to the box.

Optionally, still include the baffle, the baffle sets up in the box, the bottom of the case of baffle perpendicular to box, and be on a parallel with the lateral wall of box, be provided with the gas collection house steward on the baffle, be located the roof department of box on the gas collection house steward, two mouths of pipe of gas collection house steward are located the both sides of baffle respectively, are provided with the storage tank on the gas collection house steward, the storage tank is used for placing the water absorbent, the one end of gas collection house steward is provided with the air cock of round platform form, and the narrow mouth end of air cock is towards the roof department of box.

The specific baffle has two baffles, the two baffles are arranged in parallel, the baffles are in a state of being vertical to the bottom of the box body, a relatively independent installation cavity is formed between the two baffles and a box door and a box wall of the box body, each electronic component is installed in the installation cavity, a slow air cavity is formed between the baffles and the side wall of the box body, gas in the environment firstly enters the slow air cavity after passing through an air hole or an air pipe and then enters the installation cavity from the slow air cavity through a gas collection main pipe, the gas is subjected to dust filtration treatment before entering the slow air cavity through the air hole or the air pipe, but possibly the water vapor content is high, a storage tank is arranged in the gas collection main pipe, a water absorbent (such as calcium chloride and the like) is placed in the storage tank, so that the water content in the gas passing through the gas collection main pipe is greatly reduced, and meanwhile, a circular truncated cone-shaped air tap is arranged on the gas collection main pipe, the gas leaves the roof department that spouts to the box from the air cock, and the roof can play the cooling effect to gas, and gas can cool off installation intracavity electrical apparatus with lower temperature like this.

Optionally, the air conditioner further comprises an exhaust fan, and the exhaust fan is installed at the bottom of the box body.

The effect of air discharge fan is from the bottom of the case with the gaseous exhaust of the interior of box, can ensure like this that external low temperature gas can enter the gas chamber constantly via gas pocket or breather pipe, and then reentrant installation cavity can be for the electronic component cooling constantly. And the structure that upper air inlet and lower air outlet are adopted in the structure can ensure that the air flow in the box body flows and the flowing air flow is cooled all the time.

Optionally, a box door is installed on the box body, a sealing rubber ring is arranged between the box body and the box door, a key plate is arranged on the box door, and the key plate is electrically connected with the circuit board.

Optionally, the mesh size of each screen plate is unequal.

The meshes on each filter screen plate are unequal in size, so that the dust can be subjected to step filtration when air enters, and the meshes on the filter screen plates can be effectively prevented from being blocked by adopting a step filtration mode.

Optionally, the vent pipe is located at the top of the box body, and the air hole is located at the bottom of the box body.

In this converter, because the air discharge fan of bottom of the case department is bleeding constantly, gas in gas pocket and the breather pipe can get into the slow gas intracavity constantly like this, simultaneously in this structure, set up the breather pipe in the roof department of box, and set up the gas pocket in bottom of the case department, the breather pipe has two, two breather pipes are located two tank walls of box respectively, and the gas pocket is located the bottom of box, the gas pocket has a plurality ofly, the gas pocket is arranged into the multirow, all set up gas passage's mode from top to bottom like this, can guarantee that the air discharge fan can not arouse the box tremble to rock because the unilateral admits air when the exhaust, simultaneously when the air discharge fan is out of work, there is gas passage in both sides about all can guarantee that the equipment in the box can carry out the convection current heat dissipation with the external world fast, there is not the heat dissipation dead angle.

Optionally, the vent pipe is made of plastic, the filter screen plate is made of stainless steel, and the thickness of the filter screen plate is smaller than the thickness of the pipe wall of the vent pipe.

The vent pipe and the filter screen plate are fixed together in a hot melting mode.

Optionally, the air holes are square air holes, the screen pieces are square screen pieces, and the size of the screen pieces is larger than that of the air holes.

The invention has the beneficial effects that: through the combined use of the vent pipe and the plurality of filter screen plates, the vent pipe is free from the phenomenon of being blocked by cotton dust or fluff during ventilation, and the reliability is high.

Description of the drawings:

figure 1 is a diagrammatic representation of a frequency converter specific to a textile machine,

figure 2 is a top view of a frequency converter specific to the textile machine,

figure 3 is a schematic cross-sectional view taken along line a-a of figure 2,

figure 4 is an enlarged schematic sketch at a in figure 3,

figure 5 is a schematic view of the fitting relationship of the vent tube to the screen panel,

fig. 6 is a schematic diagram of the fitting relationship of the mask plate and the screen sheet.

The figures are numbered: 1. a box body; 101. the box bottom; 102. a box top; 103. a box door; 104. air holes; 2. a partition plate; 3. a mask plate; 4. an exhaust fan; 5. a gas collection header pipe; 501. a storage tank; 502. an air tap; 6. a screen sheet; 7. a key sheet; 8. a breather pipe; 801. a filter screen plate.

The specific implementation mode is as follows:

the present invention will be described in detail below with reference to the accompanying drawings.

As shown in figure 1, figure 2, figure 3, figure 4, figure 5 and figure 6, a special converter for textile machine, including box 1, the cable connector has been seted up on the wall of box 1, be provided with the circuit board in the box 1, still include breather pipe 8, breather pipe 8 is circular-arc, breather pipe 8 sets up on the wall of box 1, two mouths of pipe 8 are located inside and outside box 1 respectively, be provided with a plurality of filter plate 801 in the breather pipe 8, keep parallel between the filter plate 801, and the mouth of pipe that breather pipe 8 is located outside box 1 is towards bottom of the case 101 one side.

In the frequency converter, the vent pipe 8 is arranged on the box body 1, the plurality of filter screen plates 801 are arranged in the vent pipe 8, the filter screen plates 801 are parallel to each other, the filter screen plates 801 are arranged in a staggered mode, the aperture of meshes on the filter screen plates 801 is neglected (assuming that the meshes are blocked), no straight line channel exists among the filter screen plates 801, therefore, gas enters the vent pipe 8 and then goes through a curve instead of a straight line, cotton dust and fluff mixed in gas flow are attached to the filter screen plates 801, and therefore the gas entering the box body 1 does not contain the cotton dust and the fluff.

In summary, the frequency converter uses the vent pipe 8 and the plurality of filter screen plates 801 in combination, so that the phenomenon that the vent pipe 8 is blocked by cotton dust or fluff does not exist during ventilation, and the reliability is high.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the tank top 102 of the tank body 1 is V-shaped, a cavity is formed in the inner wall of the tank top 102, and liquid is filled in the cavity of the tank top 102.

The effect of specific liquid is cooled down, because electronic equipment work can cause gas temperature to rise in the case, gas temperature rises and can upwards flow, so adopt the roof 102 of V word form, set up the cavity in the roof 102 simultaneously, and pack liquid in the cavity, liquid and gaseous heat transfer, gaseous temperature reduces, and because roof 102 is the V word form, even there is dew condensation formation on the roof 102 like this, the dew also can be along domatic oblique slip case box 1's edge drippage again (rely on self gravity and with the adhesive force of roof 102), and not direct drippage (because electronic equipment generally installs in the centre department of box 1, the dew directly drips and leads to equipment to damage easily).

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the portable electronic device further includes a shielding plate 3 and a screen sheet 6, an air hole 104 is formed in a wall of the box 1, the shielding plate 3 is disposed on an outer wall of the box 1, the shielding plate 3 is located at a top 102 of the box 1, the screen sheet 6 is fixed between the shielding plate 3 and the wall of the box 1, and the screen sheet 6 is in an inclined state relative to a bottom 101 of the box 1.

The air holes 104 are used for ventilation, the shielding plate 3 and the screen sheet 6 are arranged near the air holes 104, the shielding plate 3 and the screen sheet 6 can prevent dust from entering the box body 1 through the air holes 104, particularly when the box body 1 is in an upright state, the contact part of the screen sheet 6 and the box body 1 is lower than the contact part of the screen sheet 6 and the shielding plate 3, the design can ensure that the screen sheet 6 is in an inclined state relative to the side wall of the box body 1, the screen sheet 6 is positioned below, and the shielding plate 3 is positioned below, so that dust can be attached to meshes of the screen sheet 6 when entering the air holes 104, and because of the inclined state of the screen sheet 6, the attached dust will not be accumulated on the screen sheet 6, but will gather towards the side of the box body 1, thus always keeping the sieve sheet 6 unobstructed and being convenient for cleaning the dust (including cotton dust and fluff) attached on the box body 1.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the water storage tank further includes a partition plate 2, the partition plate 2 is disposed in the tank 1, the partition plate 2 is perpendicular to the bottom 101 of the tank 1 and parallel to the side wall of the tank 1, a gas collecting main 5 is disposed on the partition plate 2, the gas collecting main 5 is located at the top 102 of the tank 1, two pipe orifices of the gas collecting main 5 are respectively located at two sides of the partition plate 2, a storage tank 501 is disposed on the gas collecting main 5, the storage tank 501 is used for placing a water absorbing agent, one end of the gas collecting main 5 is provided with a circular truncated cone-shaped gas nozzle 502, and a narrow opening end of the gas nozzle 502 faces the top 102 of the tank 1.

Specifically, two partition boards 2 are arranged in parallel, the partition boards 2 are in a state perpendicular to the bottom of the box body 1, a relatively independent installation cavity is formed between the two partition boards 2 and a box door 103 and a box wall of the box body 1, each electronic component is installed in the installation cavity, a buffer air cavity is formed between the partition boards 2 and the side wall of the box body 1, air in the environment firstly enters the buffer air cavity after passing through an air hole 104 or an air vent pipe 8, and then enters the installation cavity from the buffer air cavity through a gas collection main pipe 5, because the air is subjected to dust filtration treatment before entering the buffer air cavity through the air hole 104 or the air vent pipe 8, but the water vapor content is possibly high, a storage tank 501 is arranged in the gas collection main pipe 5, a water absorbent (which can be substances such as calcium chloride) is placed in the storage tank 501, so that the water content in the air passing through the gas collection main pipe 5 is greatly reduced, meanwhile, the gas collecting header pipe 5 is provided with the circular truncated cone-shaped gas nozzle 502, gas leaves from the gas nozzle 502 and is sprayed to the box top 102 of the box body 1, and the box top 102 can cool the gas, so that the gas can cool the electrical appliances in the installation cavity at lower temperature.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the refrigerator further includes an exhaust fan 4, and the exhaust fan 4 is installed at the bottom 101 of the cabinet 1.

The effect of air discharge fan 4 is from the bottom of the case 101 with the gaseous exhaust in the box 1, can ensure like this that external low temperature gas can enter the gas buffering chamber constantly via gas pocket 104 or breather pipe 8, and then reentrant installation cavity can be for the electronic component cooling constantly. And adopt the structure of giving vent to anger under the last air inlet in this structure, can guarantee that the air current in box 1 is mobile, has mobile air current to cool down all the time.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, a box door 103 is installed on the box body 1, a sealing rubber ring is arranged between the box body 1 and the box door 103, a key plate 7 is arranged on the box door 103, and the key plate 7 is electrically connected to the circuit board.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the mesh sizes of each of the screen plates 801 are not equal to each other.

The meshes on each filter screen plate 801 are not equal in size, so that the dust can be subjected to step filtration when air enters, and the meshes on the filter screen plates 801 can be effectively prevented from being blocked by adopting a step filtration mode.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the vent pipe 8 is located at the tank top 102 of the tank 1, and the air hole 104 is located at the tank bottom 101 of the tank 1.

In this converter, because the air discharge fan 4 of the bottom of the case 101 department is bleeding constantly, gas in gas pocket 104 and the breather pipe 8 can get into the gas cavity of slowing constantly like this, simultaneously in this structure, set up breather pipe 8 in the roof 102 department of box 1, and set up gas pocket 104 in bottom of the case 101 department, breather pipe 8 has two, two breather pipes 8 are located two tank walls of box 1 respectively, and gas pocket 104 is located the bottom of box 1, gas pocket 104 has a plurality ofly, gas pocket 104 arranges into the multirow, all set up gas passage's mode from top to bottom like this, one can guarantee that air discharge fan 4 can not arouse box 1 tremble because the unilateral admits of gas when exhausting and rock, simultaneously when air discharge fan 4 is out of work, both sides all have gas passage can guarantee that the equipment in the box can carry out convection heat dissipation with the external world fast, do not have the heat dissipation dead angle.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the vent pipe 8 is a plastic vent pipe 8, the filter screen plate 801 is a stainless steel filter screen plate 801, and the thickness of the filter screen plate 801 is smaller than the thickness of the pipe wall of the vent pipe 8.

The vent pipe 8 and the filter screen plate 801 are fixed together in a thermal welding mode.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the air holes 104 are square air holes 104, the mesh sheet 6 is a square mesh sheet 6, and the size of the mesh sheet 6 is larger than that of the air holes 104.

In this embodiment, the circuit board includes components such as a main board and an expansion card. The arrows in fig. 3 and 4 are directed along the direction of the air flow.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, which is defined by the claims and their equivalents, and can be directly or indirectly applied to other related fields of technology.

Claims

1. The utility model provides a special converter of weaving machine, includes the box, cable connector has been seted up on the tank wall of box, is provided with the circuit board in the box, its characterized in that still includes the breather pipe, the breather pipe is circular-arcly, the breather pipe sets up on the tank wall of box, and two mouths of pipe of breather pipe are located the box respectively inside and outside, are provided with a plurality of filter plate in the breather pipe, keep parallelly between the filter plate, and the breather pipe is located the outer mouth of pipe of box towards bottom of the case one side.

2. The frequency converter special for the textile machine as claimed in claim 1, characterized in that the box top of the box body is in a V shape, the inner wall of the box top is provided with a cavity, and the cavity of the box top is filled with liquid.

3. The special frequency converter for textile machines according to claim 1, characterized in that it further comprises a cover plate and a screen sheet, the walls of the box are provided with air holes, the cover plate is arranged on the outer wall of the box and is located at the top of the box, the screen sheet is fixed between the cover plate and the walls of the box, and the screen sheet is in an inclined state relative to the bottom of the box.

4. The special frequency converter for the textile machine according to claim 1, further comprising a partition plate, wherein the partition plate is arranged in the box body, the partition plate is perpendicular to the bottom of the box body and parallel to the side wall of the box body, a gas collecting main pipe is arranged on the partition plate and is positioned at the top of the box body, two pipe orifices of the gas collecting main pipe are respectively positioned at two sides of the partition plate, a storage tank is arranged on the gas collecting main pipe and is used for placing a water absorbing agent, a truncated cone-shaped air faucet is arranged at one end of the gas collecting main pipe, and a narrow opening end of the air faucet faces the top of the box body.

5. The textile machine dedicated frequency converter as claimed in claim 1, further comprising an exhaust fan mounted at the bottom of the box.

6. The frequency converter special for the textile machine as claimed in claim 1, wherein a box door is installed on the box body, a sealing rubber ring is arranged between the box body and the box door, a key plate is arranged on the box door, and the key plate is electrically connected with the circuit board.

7. The frequency converter as claimed in claim 1, wherein the meshes of each screen plate are not equal in size.

8. The frequency converter as claimed in claim 3, wherein said vent tube is located at the top of the tank and said vent is located at the bottom of the tank.

9. The frequency converter as claimed in claim 3, wherein said vent tube is a plastic vent tube, said screen plate is a stainless steel screen plate, and said screen plate has a thickness smaller than the wall thickness of the vent tube.

10. The frequency converter as claimed in claim 3, wherein said air holes are square air holes, said screen sheet is a square screen sheet, and the size of the screen sheet is larger than the size of the air holes.