阅读说明：本技术 具有良好引线定位、散热效果的矢量变频器 (Vector frequency converter with good lead positioning and heat dissipation effects ) 是由 林国城 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种具有良好引线定位、散热效果的矢量变频器,包括壳体,所述壳体内设置有电器元件,壳体上设置有若干用于引线连接的电路连接口,所述电路连接口中设置有用于与引线套接的卡套,所述卡套包括环形定位环和若干间隔设置的弹性支臂,所述电路连接口呈锥形设置,所述弹性支臂与电路连接口内壁抵触形成卡套随引线滑移时对引线的夹紧定位,所述电路连接口内壁还设置有用于抵触限制卡套脱出的定位台阶,壳体上于电路连接口两侧设置有通风口,所述通风口上刻拆卸的设置有散热座,所述散热座上对应通风口位置设置有风扇,所述散热座与通风口之间还设置防尘网。其对于连接的线路具有良好的定位效果,并且便于散热,同时结构简单,利于实现。(The invention discloses a vector frequency converter with good lead positioning and heat dissipation effects, which comprises a shell, the shell is internally provided with an electric element and is provided with a plurality of circuit connectors for lead connection, a cutting sleeve used for being sleeved with the lead is arranged in the circuit connecting port, the cutting sleeve comprises an annular positioning ring and a plurality of elastic support arms arranged at intervals, the circuit connector is arranged in a conical shape, the elastic support arm is abutted against the inner wall of the circuit connector to form clamping and positioning of the lead when the cutting sleeve slides along with the lead, the inner wall of the circuit connecting port is also provided with a positioning step for resisting and limiting the clamping sleeve to be separated, the shell is provided with ventilation openings at two sides of the circuit connecting port, the ventilation opening is provided with a heat dissipation seat in an engraved and disassembled manner, the heat dissipation seat is provided with a fan corresponding to the ventilation opening, and a dust screen is further arranged between the heat dissipation seat and the ventilation opening. The circuit has a good positioning effect on the connected circuit, is convenient to dissipate heat, and is simple in structure and beneficial to implementation.)

1. The utility model provides a vector converter with good lead wire location, radiating effect, includes the casing, be provided with electrical components in the casing, be provided with a plurality of circuit connectors that are used for pin connection on the casing, its characterized in that: be provided with the cutting ferrule that is used for cup jointing with the lead wire in the circuit connector, the cutting ferrule includes the elastic support arm that annular holding ring and a plurality of interval set up, the circuit connector is the toper setting, the elastic support arm is contradicted with circuit connector inner wall and is formed the cutting ferrule and press from both sides tight location to the clamp of lead wire when sliding along with the lead wire, circuit connector inner wall still is provided with and is used for contradicting the location step that the restriction cutting ferrule deviate from, be provided with the vent in circuit connector both sides on the casing, what carve the dismantlement on the vent is provided with the radiating seat, it is provided with the fan to correspond the vent position on the radiating seat.

2. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 1, wherein: the circuit connector is by outer to interior gradually big setting, the holding ring is contradicted and is formed the spacing of going into the circuit connector to the sleeve on circuit connector outer wall, elasticity support arm one end is connected with the holding ring, and the other end extends the setting to the circuit connector in, be provided with the arch of contradicting on the elasticity support arm periphery wall, the arch of contradicting forms the tightening up of elasticity support arm when the sleeve chuck slides with the conflict of circuit connector inner wall.

3. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 2, wherein: the inner wall of the elastic support arm is provided with a clamping bulge, and the inner wall of the elastic support arm is also provided with an anti-skid soft cushion in an attaching manner.

4. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 2 or 3, wherein: the cutting sleeve is also provided with a loop bar which is sleeved on the circuit connecting line, and the loop bar is matched with the cutting sleeve in a sliding way.

5. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 2 or 3, wherein: the circuit connector is also provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

6. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 1, wherein: the utility model discloses a radiator fan, including the casing, the casing is provided with a plurality of jacks in vent circumference, the radiating seat is provided with on the terminal surface towards the casing and is used for forming a plurality of pins of grafting complex with the jack one-to-one, wherein two jacks in a plurality of jacks are the electrically conductive jack that can be connected with the power, the lateral wall of electrically conductive jack is provided with the conducting strip, correspond in a plurality of pins two electrically conductive jacks participate in for electrically conductive participating in, electrically conductive lateral wall of participating in is provided with the elastic contact piece, the elastic contact piece along with electrically conductive participating in support and press behind the electrically conductive jack and form the contact electrically conductive on the electrically conductive piece, radiator fan pass through.

7. The vector frequency converter with good lead positioning and heat dissipation effects as claimed in claim 6, wherein: the dustproof net is provided with positioning holes which are in one-to-one correspondence with the pins, and the dustproof net is connected with the radiating seat through the positioning holes.

Technical Field

The invention relates to the technical field of frequency converters, in particular to a vector frequency converter with good lead positioning and heat dissipation effects.

Background

The vector frequency converter technology is generated based on a DQ (digital data converter) axis theory, the basic idea is to decompose the current of a motor into a D-axis current and a Q-axis current, wherein the D-axis current is an exciting current, and the Q-axis current is a torque current, so that the exciting current and the torque current of an alternating current motor can be separately controlled, so that the alternating current motor has a control characteristic similar to that of a direct current motor, and the vector frequency converter is an ideal control theory designed for the alternating current motor, thereby greatly improving the control characteristic of the alternating current motor, the input voltage range of the vector frequency converter can be 380/220V +/-15%, the input frequency is 47 ~ 63Hz, the output frequency range can reach 0 ~ 400Hz, usually support a plurality of programmable digital inputs, has multi-way switching input and high-speed pulse input, supports PNP (positive negative Positive Negative (PNP) and negative (NPN) bipolar optical coupler isolated inputs, simultaneously supports programmable open-circuit collector output, has two-way output, and two-way analog quantity output, adopts V/F control or open-loop vector control, and has certain overload capacity, can work at 60s under 150% rated current, 60s or 180% current, and has a plurality of rated current working, and a plurality of frequency converter, thereby the functions, which causes a plurality of fault set fault of a plurality of a frequency converter, a plurality of a frequency converter, thereby causes a plurality of a frequency converter, a plurality of a converter, a plurality of a converter, a plurality of a converter can easily set fault of a converter can easily cause a plurality of.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the vector frequency converter with good lead positioning and heat dissipation effects, which has a good positioning effect on a connected circuit, is not easy to loosen when pulled, is convenient for heat dissipation, has a simple structure and is beneficial to realization.

The invention provides a vector frequency converter with good lead positioning and heat dissipation effects, which comprises a shell, the shell is internally provided with an electric element and is provided with a plurality of circuit connectors for lead connection, a cutting sleeve used for being sleeved with the lead is arranged in the circuit connecting port, the cutting sleeve comprises an annular positioning ring and a plurality of elastic support arms arranged at intervals, the circuit connector is arranged in a conical shape, the elastic support arm is abutted against the inner wall of the circuit connector to form clamping and positioning of the lead when the cutting sleeve slides along with the lead, the inner wall of the circuit connecting port is also provided with a positioning step for resisting and limiting the clamping sleeve to be separated, the shell is provided with ventilation openings at two sides of the circuit connecting port, the ventilation opening is provided with a heat dissipation seat in an engraved and disassembled manner, the heat dissipation seat is provided with a fan corresponding to the ventilation opening, and a dust screen is further arranged between the heat dissipation seat and the ventilation opening.

The beneficial effect who so sets up is: by adopting the scheme, the circuit connecting port is arranged to be conical, the clamping sleeve is arranged, the elastic support arm is arranged on the clamping sleeve, so that when the lead is pulled by external force, the clamping sleeve moves along with the lead, the elastic support arm is abutted against the inner wall of the circuit connecting port to form the folding and clamping of the elastic support arm, the folding action of the elastic support arm can adopt the following form, when the circuit connecting port is arranged to be large outside and small inside, the elastic support arm is arranged to be gradually thinner from the inside of the shell to the outside of the shell and penetrates through the circuit connecting port to enter the shell, so that when the clamping sleeve moves, the elastic support arm can clamp the lead, and other forms can be adopted; when setting up in the circuit connector is little inside and outside, can set up the lug of contradicting at the elastic support arm outer wall, the lug of contradicting can be when the cutting ferrule moves outward to the casing, contradict on circuit connector inner wall, thereby trend elastic support arm tightens up, thereby press from both sides tight lead wire, this kind of simple structure, do benefit to the realization, further set up the vent in circuit connector one side, can effectively discharge the heat of inside line grafting position, increase the air convection, thereby improve the radiating effect, further set up the dust screen can, block dust impurity, guarantee the normal use of converter.

The clamping sleeve is arranged on the outer wall of the circuit connecting port, the positioning ring is abutted against the outer wall of the circuit connecting port to limit the clamping sleeve entering the circuit connecting port, one end of the elastic support arm is connected with the positioning ring, the other end of the elastic support arm extends into the circuit connecting port, an abutting bulge is arranged on the outer peripheral wall of the elastic support arm, and the abutting bulge abuts against the inner wall of the circuit connecting port to form tightening of the elastic support arm when the clamping sleeve slides.

The beneficial effect who so sets up is: by adopting the scheme, after the connecting wire is inserted into or led out of the wire connecting port, the cutting sleeve is sleeved outside the connecting wire and is clamped on the outer wall of the connecting wire through the elastic support arm, when the connecting wire is pulled by external force, the cutting sleeve moves outwards along with the connecting wire, the abutting bulge on the inner wall of the elastic support arm abuts against the inner wall of the circuit connector, and as the circuit connector is gradually enlarged from outside to inside, so the inner wall of the circuit connector is obliquely arranged, the fixed clamping sleeve is gradually tightened under the action of the inclined plane in the process of moving outwards so as to clamp the connecting wire, the structure is simple and is beneficial to realization, have good location effect to the connecting wire, set up location step isotructure again, can restrict the position of cutting ferrule, only can be in the motion of circuit connector position small range to improve the transient response of whole structure, effectively improve overall structure's stability.

The invention is further provided with a clamping bulge on the inner wall of the elastic support arm, and an anti-skid soft cushion is attached to the inner wall of the elastic support arm.

The beneficial effect who so sets up is: adopt above-mentioned scheme, set up anti-skidding cushion, location connecting wire that can be better has certain sealed dustproof effect simultaneously to be difficult to extrude the deformation with the connecting wire, the life of extension connecting wire effectively improves the result of use of product.

The invention is further provided with a loop bar sleeved on the circuit connecting line in the cutting sleeve, and the loop bar is matched with the cutting sleeve in a sliding way.

The beneficial effect who so sets up is: by adopting the above scheme, the loop bar that is used for the cover to establish on the connecting wire is set up, when needs change the connecting wire or overhaul, can insert the loop bar for the cutting ferrule centre gripping is at the loop bar, no longer the centre gripping on the connecting wire, thereby can make the connecting wire slide, thereby can not carry out the replacement of connecting wire by tightly pressing from both sides, and this kind of simple structure does benefit to the realization simultaneously, can not lead to the fact the influence to overall structure's use.

The invention is further provided with a sealing groove in the circuit connecting port, and a sealing ring is arranged in the sealing groove.

The beneficial effect who so sets up is: adopt above-mentioned scheme, have good sealed dustproof effect, prevent that dust impurity from getting into from the circuit connector, can assist the positioning action who plays the connecting wire simultaneously, simple structure does benefit to the realization simultaneously.

The invention is further provided with a plurality of jacks arranged on the shell in the circumferential direction of the vent, a plurality of pins which are used for being in one-to-one correspondence with the jacks to form a splicing fit are arranged on the end surface of the heat radiating seat facing the shell, two jacks in the plurality of jacks are conductive jacks which can be connected with a power supply, conductive sheets are arranged on the side walls of the conductive jacks, pins in the plurality of pins corresponding to the two conductive jacks are conductive pins, elastic contact sheets are arranged on the side walls of the conductive pins, the elastic contact sheets are pressed on the conductive sheets to form contact conduction after being inserted into the conductive jacks along with the conductive pins, and the heat radiating fan is electrically connected with the elastic contact sheets through wires.

The beneficial effect who so sets up is: by adopting the scheme, dirt can be formed on the blades of the cooling fan after the cooling fan is used for a long time, and the arrangement is convenient to disassemble and clean. Secondly, can insert electrically conductive jack through electrically conductive participating in the back for elastic contact piece and conducting strip form the contact electrically conductive, thereby can bring drive electric power for radiator fan's rotation, can make the heat dissipation box body structure simpler, when converter switch-on, radiator fan on the heat dissipation box body can begin to operate, and when converter power disconnection, radiator fan stops the operation promptly. Meanwhile, the elastic contact piece provides a certain tensioning force for the heat dissipation seat, the stability of installation of the heat dissipation seat is guaranteed, and the structure is simple and beneficial to implementation.

The invention is further provided with positioning holes which are in one-to-one correspondence with the pins on the dust screen, and the dust screen is connected with the heat dissipation seat through the positioning holes.

The beneficial effect who so sets up is: adopt above-mentioned scheme, make the dust screen cover establish on participating in, like this the dust screen can insert the jack back along with participating in and press from both sides tightly between radiating seat and casing, the laminating is on the outer wall of casing promptly, thereby can prevent that the dust from passing through the clearance between radiating seat and the casing and entering into the casing through the air outlet, dustproof effect has been improved, because the dust screen is the cover and establishes to participate in on, the dust screen of being convenient for dismantles, can wash or change after using a period, also can adopt the first filter screen of different pore sizes according to the change or the difference of environment, further improve the dustproof effect after using the product for a long time.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a circuit connection according to an embodiment of the present invention;

FIG. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a heat sink in an embodiment of the invention;

FIG. 5 is a schematic cross-sectional view illustrating a position of a heat sink according to an embodiment of the invention.

Detailed Description

From fig. 1 to 5, a vector frequency converter with good lead positioning and heat dissipating effects is disclosed, which comprises a casing 1, wherein an electrical element is arranged in the casing 1, a plurality of circuit connectors 2 for lead connection are arranged on the casing 1, a cutting sleeve for sleeving with a lead is arranged in each circuit connector 2, each cutting sleeve comprises an annular positioning ring 31 and a plurality of elastic support arms 32 arranged at intervals, each circuit connector 2 is arranged in a conical shape, each elastic support arm 32 is abutted with the inner wall of each circuit connector 2 to form clamping and positioning of the lead when the cutting sleeve slides along with the lead, the inner wall of each circuit connector 2 is further provided with a positioning step 21 for abutting and limiting the cutting sleeve to be separated, vent holes 11 are arranged on the casing 1 at two sides of each circuit connector 2, heat dissipating seats 6 are arranged on the vent holes 11 in an engraved and detached manner, and fans 61 are arranged on the heat dissipating seats 6, and a dustproof net 7 is also arranged between the heat radiating seat 6 and the ventilation opening 11. The beneficial effect who so sets up is: by adopting the scheme, the circuit connecting port 2 is arranged to be conical, the clamping sleeve is arranged, the elastic support arm 32 is arranged on the clamping sleeve, so that when the lead is pulled by external force, the clamping sleeve moves along with the lead, the elastic support arm 32 is abutted with the inner wall of the circuit connecting port 2 to form the folding and clamping of the elastic support arm 32, and the folding action of the elastic support arm 32 can adopt the following form; when setting up in circuit connector 2 outer little interior greatly, can set up the conflict lug at elasticity support arm 32 outer wall, the conflict lug can be when the cutting ferrule removes to casing 1 outward, conflict on circuit connector 2 inner wall, thereby trend elasticity support arm 32 tightens up, thereby press from both sides tight lead wire, this kind of simple structure, do benefit to the realization, further set up vent 11 in circuit connector 2 one side, can effectively discharge the heat of inside line grafting position, increase the air convection, thereby improve the radiating effect, further set up dust screen 7 can, block dust impurity, guarantee the normal use of converter.

Above-mentioned circuit connector 2 is by outer gradually big setting to interior, holding ring 31 is contradicted and is formed spacing to the card sleeve entering circuit connector 2 on circuit connector 2 outer wall, elastic support arm 32 one end is connected with holding ring 31, and the other end extends the setting to circuit connector 2 in, be provided with the protruding 321 of conflict on the elastic support arm 32 periphery wall, the protruding 321 of conflict forms the tightening up of elastic support arm 32 when the cutting ferrule slides with the conflict of circuit connector 2 inner wall. The beneficial effect who so sets up is: by adopting the scheme, the clamping sleeve is arranged in the mode, after the connecting wire is inserted into or led out from the connecting wire opening, the clamping sleeve can be sleeved outside the connecting wire, the clamping sleeve is clamped on the outer wall of the connecting wire through the elastic support arm 32, when the connecting wire is pulled by external force, the clamping sleeve moves outwards along with the connecting wire, the abutting protrusion 321 on the inner wall of the elastic support arm 32 abuts against the inner wall of the circuit connecting port 2, as the circuit connecting port 2 is gradually enlarged from outside to inside, the inner wall of the circuit connecting port 2 is obliquely arranged, the clamping sleeve is fixedly clamped in the outward moving process, the elastic support arm 32 is gradually tightened under the action of the inclined plane, so that the connecting wire is clamped, the structure is simple, the realization is facilitated, the connecting wire has good positioning effect, the positioning step 21 and other structures are arranged, the position of the clamping sleeve can be limited, only small-amplitude, effectively improve the stability of overall structure.

The inner wall of the elastic support arm 32 is provided with a clamping bulge 322, and the inner wall of the elastic support arm 32 is also provided with an anti-skid soft cushion. The beneficial effect who so sets up is: adopt above-mentioned scheme, set up anti-skidding cushion, location connecting wire that can be better has certain sealed dustproof effect simultaneously to be difficult to extrude the deformation with the connecting wire, the life of extension connecting wire effectively improves the result of use of product.

Still be provided with in the above-mentioned cutting ferrule and be used for the cover to establish loop bar 5 on the circuit connection line, loop bar 5 and cutting ferrule sliding fit. The beneficial effect who so sets up is: adopt above-mentioned scheme, the setting is used for the cover to establish loop bar 5 on the connecting wire, when needs are changed the connecting wire or are overhauld, can insert loop bar 5 for the cutting ferrule centre gripping is at loop bar 5, no longer the centre gripping on the connecting wire, thereby can make the connecting wire slide, thereby can not carry out the replacement of connecting wire by tightly pressing from both sides, and this kind of simple structure does benefit to the realization simultaneously, can not lead to the fact the influence to overall structure's use.

The circuit connecting port 2 is further provided with a sealing groove 23, and the sealing groove 23 is provided with a sealing ring 4. The beneficial effect who so sets up is: adopt above-mentioned scheme, have good sealed dustproof effect, prevent that dust impurity from getting into from circuit connector 2, can assist the positioning action who plays the connecting wire simultaneously, simple structure does benefit to the realization simultaneously.

The plurality of jacks 12 are circumferentially arranged on the ventilation opening 11 on the shell 1, the end face, facing the shell 1, of the heat dissipation seat 6 is provided with a plurality of pins 62 which are in one-to-one correspondence with the jacks 12 to form a splicing fit, two of the jacks 12 are conductive jacks which can be connected with a power supply, the side walls of the conductive jacks are provided with conductive plates 13, the pins 62 corresponding to the two conductive jacks in the plurality of pins 62 are the conductive pins 62, the side walls of the conductive pins 62 are provided with elastic contact pieces 63, the elastic contact pieces 63 are pressed on the conductive plates 13 after being inserted into the conductive jacks along with the conductive pins 62 to form contact conduction, and the heat dissipation fan 61 is electrically connected with the elastic contact pieces 63 through wires. The beneficial effect who so sets up is: with the adoption of the scheme, dirt can be formed on the blades of the cooling fan 61 after the cooling fan is used for a long time, and the arrangement is convenient to disassemble and clean. Secondly, can insert electrically conductive jack through electrically conductive pin 62 after for elastic contact piece 63 and conducting strip 13 form the contact electrically conductive, thereby can bring drive electric power for radiator fan 61's rotation, can make the heat dissipation box body structure simpler, when the converter power switch-on, radiator fan 61 on the heat dissipation box body can begin the operation, when the converter power switch-off, radiator fan 61 stops the operation promptly. Meanwhile, the elastic contact piece 63 provides a certain tensioning force for the heat dissipation seat 6, so that the stability of installation of the heat dissipation seat 6 is ensured, and the structure is simple and beneficial to implementation.

The dustproof net 7 is provided with positioning holes corresponding to the pins 62 one by one, and the dustproof net 7 is connected with the heat radiating seat 6 through the positioning holes. The beneficial effect who so sets up is: adopt above-mentioned scheme, make the dust screen 7 cover establish on participating in 62, like this the dust screen 7 can insert jack 12 back along with participating in 62 and press from both sides tightly between radiating seat 6 and casing 1, the laminating is on the outer wall of casing 1 promptly, thereby can prevent that the dust from entering into casing 1 through the air outlet through the clearance between radiating seat 6 and the casing 1, dustproof effect has been improved, because the dust screen 7 is the cover establish on participating in 62, the dust screen 7 of being convenient for is dismantled, can wash or change after using a period, also can adopt the first filter screen of different pore sizes according to the change of environment or difference, further improve the dustproof effect after using the product for a long time.

The above-mentioned embodiments are only preferred embodiments of the present invention, and therefore, the scope of the present invention should not be limited by the above-mentioned embodiments, and therefore, equivalent changes, such as equivalent products using similar processes and similar structures, made by the claims of the present invention, are also included in the scope of the present invention.