CN207926424U - Composite bus bar and frequency converter - Google Patents
Composite bus bar and frequency converter Download PDFInfo
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- CN207926424U CN207926424U CN201820379681.0U CN201820379681U CN207926424U CN 207926424 U CN207926424 U CN 207926424U CN 201820379681 U CN201820379681 U CN 201820379681U CN 207926424 U CN207926424 U CN 207926424U
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Abstract
The utility model provides a kind of composite bus bar and frequency converter.Wherein, composite bus bar includes：A conduct piece in first conductive component, including positive conductive part and negative conductive part；Another conduct piece in second conductive component, including positive conductive part and negative conductive part and at least one series connection conduct piece, series connection conduct piece are generally aligned in the same plane and separately positioned with another conduct piece；First insulating part, between the first conductive component and the second conductive component.The conduct piece of composite bus bar is reduced to two layers by the utility model by being arranged, and then reduce the thickness of composite bus bar and the input of insulating materials, reduce parasitic inductance, alleviate the weight of composite bus bar, reduce the production cost of product, so that when the first conductive component of later stage pair, the second conductive component and the first insulating part carry out heat pressure adhesive fixation, the probability of composite bus bar and the poor contact of electronic device junction caused by the rigging error between each accumulates is reduced.
Description
Technical field
The utility model is related to electronic apparatus technical fields, in particular to a kind of composite bus bar and frequency converter.
Background technology
In order to reduce the stray inductance between bus capacitor and insulated gate bipolar transistor, reduce impedance, enhancing it is anti-interference
Ability, the reliability for improving frequency converter and installation effectiveness etc., generally use composite bus bar connects bus capacitor and insulated gate bipolar
Transistor npn npn.In the related technology, the conductive layer of composite bus bar is three layers, and three layers of conductive layer exist in the form of stacking, the knot
Structure setting has the shortcomings that weight is big, of high cost, manufacturing procedure is complicated and takes up a large area, and then can lead to the usability of product
Can be poor, the market competitiveness is low.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, the first aspect of the utility model proposes a kind of composite bus bar.
The second aspect of the utility model proposes a kind of frequency converter.
In view of this, the first aspect of the utility model proposes a kind of composite bus bar, composite bus bar includes：First is conductive
A conduct piece in component, including positive conductive part and negative conductive part；Second conductive component, including positive conductive part and negative
Another conduct piece in the conduct piece of pole and at least one series connection conduct piece, series connection conduct piece are located at same with another conduct piece
Plane and separately positioned；First insulating part, between the first conductive component and the second conductive component.
A kind of composite bus bar provided by the utility model includes：First conductive component, the second conductive component and the first insulation
Part.By the structure that the first conductive component and the second conductive component is rationally arranged so that the second conductive component, including positive conductive
Another conduct piece in part and negative conductive part and at least one series connection conduct piece, that is, when the first conductive component is led for anode
When electric part, the second conductive component includes series connection conduct piece and is generally aligned in the same plane with conduct piece of connecting and separately positioned cathode is led
Electric part, when the first conductive component be negative conductive part when, the second conductive component include series connection conduct piece and with conduct piece position of connecting
In same plane and separately positioned positive conductive part, which is reduced to two layers by the conduct piece of composite bus bar, in turn
The thickness of composite bus bar and the input of insulating materials are reduced, parasitic inductance is reduced, alleviates the weight of composite bus bar, is simplified
Manufacturing procedure, improves working efficiency, reduces the production cost of product, and due to compared to compound mother in the related technology
Row reduces one layer of insulating part, therefore, reduce the difficulty of assembly so that in the first conductive component of later stage pair, the second conductive component
And when the first insulating part progress heat pressure adhesive fixation, compound mother caused by the rigging error accumulation between each is reduced
Row and the probability of electronic device junction poor contact, thereby reduce lead to not because of poor contact conduction in turn result in
The probability of the electronic device even equipment damage of composite bus bar connection, improves the molding qualification rate of product；Further,
Two conductive components include another conduct piece and at least one series connection conduct piece in positive conductive part and negative conductive part, are being incited somebody to action
Electronic device can play the anode and positive conductive of transformation capacitance when for example capacitance is connected with composite bus bar by conduct piece of connecting
The link position of part and/or the effect for converting the cathode of capacitance and the link position of negative conductive part, in this way so that can be according to tool
Body actually uses demand, and the link position that transformation is of the same race or variety classes electronic device is different from composite bus bar is convenient for electronics
The rational deployment of device maximumlly utilizes the connection space of composite bus bar, and then in the case where ensureing product performance,
The size for reducing composite bus bar reduces the space occupancy rate of composite bus bar, is convenient for the rational deployment of other devices, enriches
The performance of product；Further, by the way that the installation position of the first insulating part is rationally arranged so that the first insulating part is located at first
Between conductive component and the second conductive component, the first insulating part plays the role of completely cutting off adjacent conduct piece, avoids the feelings of electric leakage
Condition occurs.
According to the above-mentioned composite bus bar of the utility model, there can also be following additional technical feature：
In the above-mentioned technical solutions, it is preferable that composite bus bar further includes：Interconnecting piece is distributed in anode and leads without overlapping
On the side wall of electric part, on the side wall of negative conductive part and on the side wall of series connection conduct piece；The outer edge of first conductive component is arranged
There is the first groove, the first groove is for making the interconnecting piece of the second conductive component expose outside the first conductive component.
In the technical scheme, composite bus bar further includes interconnecting piece, and so that interconnecting piece is distributed in anode without overlapping and lead
On the side wall of electric part, on the side wall of negative conductive part and on the side wall of series connection conduct piece, and then compound mother is realized using interconnecting piece
The connection of row and electronic device；Further, by being provided with the first groove, the first groove in the outer edge of the first conductive component
Structure setting make the interconnecting piece of the second conductive component expose outside the first conductive component, in this way, composite bus bar and electronic device
When connection, the only interconnecting piece being in contact with electronic device avoids assembling conductive by the first insulating part and first when electronic device
The containing of the material of component and cause the situation that rigging error is big and junction electronic device stress is big to occur so that can be according to tool
Body assembly situation targetedly finely tunes the link position of interconnecting piece and electronic device, so ensure the convenience integrally assembled and
Adaptability, the process for simplifying assembly reduce the difficulty of assembly, improve the precision of assembly；Further, the first groove is arranged
In the outer edge of the first conductive component, and, series connection conduct piece is generally aligned in the same plane with another conduct piece and separately positioned event,
It, will not be because of positive conductive part and negative conductive part while the assembly reliability and stability of guarantee composite bus bar and electronic device
In another conduct piece and overlapping area the case where becoming smaller and increasing stray inductance of conduct piece of connecting occur, and due to setting
First groove, therefore, reduce the input of material, alleviates the weight of product, reduce production cost.Meanwhile the structure is set
It is simple to set processing technology, is convenient for volume production.
In any of the above-described technical solution, it is preferable that interconnecting piece is an integral structure with positive conductive part；And/or connection
Portion is an integral structure with negative conductive part；And/or interconnecting piece is an integral structure with conduct piece of connecting.
In the technical scheme, interconnecting piece is an integral structure and/or interconnecting piece and negative conductive part with positive conductive part
It is an integral structure and/or interconnecting piece is an integral structure with conduct piece of connecting, the structure setting is compact and reliable and stable, accounts for
It is small with spatial area, and processing technology is simple, takes less, production cost is low.
In any of the above-described technical solution, it is preferable that the first conductive component further includes：Second insulating part is led positioned at one
Electric part deviates from the side of the first insulating part；Second conductive component further includes：Third insulating part is located at another conduct piece away from the
The side of one insulating part.
In the technical scheme, the first conductive component further includes the second insulating part, and the second conductive component further includes that third is exhausted
Edge part, that is, the opposite sides of a conduct piece in positive conductive part and negative conductive part be respectively arranged with the first insulating part and
The opposite sides of second insulating part, positive conductive part and another conduct piece in negative conductive part is respectively arranged with the first insulation
The position of part and third insulating part, the second insulating part and third insulating part is arranged, and can play the role of completely cutting off conduct piece, avoid
The case where electric leakage, occurs.
In any of the above-described technical solution, it is preferable that composite bus bar further includes：Positive bending part is arranged in positive conductive
The outer edge of part, the positive terminal for connecting power supply；The outer edge in negative conductive part is arranged, for connecting in cathode bending part
The negative pole end of power supply.
In the technical scheme, composite bus bar further includes：Positive bending part and cathode bending part, using positive bending part and
Cathode bending part realizes the connection of composite bus bar and power supply, and then realizes the corresponding of the electronic device being connected to composite bus bar
Function.Simultaneously as positive bending part and cathode bending part are located at the outer edge of positive conductive part and negative conductive part, and
Positive bending part and cathode the bending part on-plane surface for curved surface, therefore, structure setting meeting under the premise of ensureing the effect of connection
The appearance and size for reducing composite bus bar is convenient for the rational deployment of other devices to reduce occupancy of the composite bus bar to space.
In any of the above-described technical solution, it is preferable that composite bus bar further includes：Mark part is arranged on positive bending part
And/or on cathode bending part, it is used to indicate the link position of anode and/or the link position of cathode.
In the technical scheme, by the way that mark part is arranged so that mark part is arranged on positive bending part and/or cathode folding
On turn of bilge, in this way, in follow-up assembled, the positive and negative anodes that subsequent electronics are apparent from convenient for worker should be with compound mother
The where of row is attached, and avoids leading to electronic device even equipment damage because mistaking the link position of positive or negative pole
It happens, improves efficiency of assembling, reduce production cost.It specifically, can be by way of punching press in positive bending part
And/or "-" number and/or "+" number in cathode bending part punching press.
In any of the above-described technical solution, it is preferable that the first conductive component further includes：Mounting portion, be positive conductive part or
Negative conductive part is recessed the second groove structure to be formed away from the first insulating part direction；Wherein, compound mother is realized by mounting portion
The fastening of row and electronic device.
In the technical scheme, since composite bus bar includes：Positive conductive part, negative conductive part, series connection conduct piece, first
Insulating part, the second insulating part and third insulating part, therefore, when any of which or the thickness and ruler of several conduct pieces or insulating part
If very little difference, then the case where just will appear the mounting surface run-off the straight or bending of composite bus bar when assembling composite bus bar
(mounting surface is located at the same side of composite bus bar), using the mounting surface carry out assembly fastening composite bus bar and electronic device if gesture
The case where unbalance stress must occur and then leading to electronic device run-off the straight, it can thus influence the cloth of other electronic devices
Office, therefore, in order to avoid the above problem, to be formed by being recessed away from the first insulating part direction in positive conductive part or negative conductive part
The second groove structure, and then using the exterior bottom wall of the second groove structure as mounting surface, composite bus bar and electronics are ensured with this
The flatness of the mounting surface of device, and then ensure that the stability and reliability of assembly.Meanwhile the structure setting is reasonable, is convenient for
Processing, production cost is low, can volume production.
In any of the above-described technical solution, it is preferable that composite bus bar further includes：Connecting hole, through the second conductive component and
First insulating part；Avoid holes are arranged on the first conductive component, are located on connecting hole；Wherein, connecting hole is in the first conductive group
The projection of part is located within avoid holes.
In the technical scheme, by the way that connecting hole is arranged on the second conductive component and the first insulating part so that utilize company
The connection that the second conductive component and electronic device are realized in hole is connect, the processing technology of connecting hole is simple, and manufacturing procedure is few, production cost
It is low, it is convenient for volume production；Further, avoid holes are set on the first conductive component so that throwing of the connecting hole in the first conductive component
Shadow is located within avoid holes, in this way, when the second conductive component is connect using connecting hole with electronic device, electronic device will not be with
One conductive component generates assembly intersection, therefore, the first conductive component will not produce the connection of the second conductive component and electronic device
Raw interference, ensure that the uniqueness for the conductive component being connect with electronic device, and then ensure that the use reliability and peace of assembly
Quan Xing.
In any of the above-described technical solution, it is preferable that positive conductive part is copper positive conductive part；Negative conductive part is negative for copper
Pole conduct piece；Conduct piece of connecting is copper series connection conduct piece.
In the technical scheme, by the way that the material of conduct piece is rationally arranged so that positive conductive part is copper positive conductive part,
Negative conductive part be copper negative conductive part, series connection conduct piece be copper connect conduct piece, the ductility of copper conduct piece is good, thermal conductivity and
Electric conductivity is high, and resistivity is very low, and easy to process, production cost is low.
The second aspect of the utility model proposes a kind of frequency converter, including：Such as any technical solution institute in first aspect
The composite bus bar stated.
Frequency converter provided by the utility model because including the composite bus bar as described in any one of first aspect, therefore has
The whole advantageous effects for having above-mentioned composite bus bar, do not do state one by one herein.
The additional aspect and advantage of the utility model will become apparent in following description section, or new by this practicality
The practice of type is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 shows the exploded view of the composite bus bar of one embodiment of the utility model；
Fig. 2 shows the structural schematic diagrams of the composite bus bar of one embodiment of the utility model；
Fig. 3 shows the composite bus bar of one embodiment of the utility model and the structural schematic diagram of capacitance.
Wherein, the correspondence in Fig. 1 to Fig. 3 between reference numeral and component names is：
1 composite bus bar, 10 positive conductive parts, 20 negative conductive parts, 30 series connection conduct pieces, 40 first insulating parts, 50 connections
Portion, 502 positive pins, 504 negative pins, 60 first grooves, 70 second insulating parts, 80 third insulating parts, 90 positive bending parts,
100 cathode bending parts, 110 mark parts, 120 mounting portions, 130 connecting holes, 140 avoid holes, 150 the 4th grooves, 2 capacitances.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented different from other modes described here using other, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 3 descriptions according to composite bus bar 1 and frequency converter described in the utility model some embodiments.
As shown in Figure 1, the embodiment of the utility model first aspect proposes a kind of composite bus bar 1, composite bus bar 1 wraps
It includes：A conduct piece in first conductive component, including positive conductive part 10 and negative conductive part 20；Second conductive component, packet
Another conduct piece in positive conductive part 10 and negative conductive part 20 and at least one series connection conduct piece 30 are included, conduct piece of connecting
30 are generally aligned in the same plane and separately positioned with another conduct piece；First insulating part 40, leads positioned at the first conductive component and second
Between electrical component.
A kind of composite bus bar 1 provided by the utility model includes：First conductive component, the second conductive component and the first insulation
Part 40.By the structure that the first conductive component and the second conductive component is rationally arranged so that the second conductive component, including anode are led
Another conduct piece in electric part 10 and negative conductive part 20 and at least one series connection conduct piece 30, that is, when the first conductive component
For positive conductive part 10 when, the second conductive component include series connection conduct piece 30 and be generally aligned in the same plane with conduct piece 30 of connect and divide
Negative conductive part 20 from setting, when the first conductive component is negative conductive part 20, the second conductive component includes that series connection is conductive
It part 30 and is generally aligned in the same plane with conduct piece 30 of connecting and separately positioned positive conductive part 10, the structure setting is by composite bus bar
1 conduct piece is reduced to two layers, and then reduces the thickness of composite bus bar 1 and the input of insulating materials, reduces parasitic inductance,
The weight for alleviating composite bus bar 1, simplifies manufacturing procedure, improves working efficiency, reduces the production cost of product, and by
In reducing one layer of insulating part compared to composite bus bar 1 in the related technology, therefore, reduce the difficulty of assembly so that in the later stage
To the first conductive component, the second conductive component and the first insulating part 40 carry out heat pressure adhesive fixation when, reduce because each it
Between rigging error accumulation caused by composite bus bar 1 and the poor contact of electronic device junction probability, thereby reduce because
Poor contact and lead to not the conductive probability in turn resulting in the electronic device being connect with composite bus bar 1 even equipment damage,
Improve the molding qualification rate of product；Further, the second conductive component includes in positive conductive part 10 and negative conductive part 20
Another conduct piece and at least one series connection conduct piece 30, when by electronic device, for example capacitance 2 is connected with composite bus bar 1,
The anode of transformation capacitance 2 and the link position of positive conductive part 10 can be played by conduct piece 30 of connecting and/or convert capacitance 2
The effect of the link position of cathode and negative conductive part 20, in this way so that can according to specific actual use demand, transformation it is of the same race or
The variety classes electronic device link position different from composite bus bar 1 is convenient for the rational deployment of electronic device, maximizes land productivity
With the connection space of composite bus bar 1, and then in the case where ensureing product performance, the size of composite bus bar 1 is reduced, dropped
The low space occupancy rate of composite bus bar 1 is convenient for the rational deployment of other devices, enriches the performance of product；Further,
By the installation position that the first insulating part 40 is rationally arranged so that the first insulating part 40 is located at the first conductive component and the second conduction
Between component, the first insulating part 40 plays the role of completely cutting off adjacent conduct piece, the case where avoiding leaking electricity.Specifically, it goes here and there
Connection conduct piece 30 is generally aligned in the same plane and separately positioned with positive conductive part 10 or negative conductive part 20, separately positioned so that not
In the case of influencing positive conductive part 10 or 20 installation position of negative conductive part, series connection conduct piece 30 can be according to specific actual conditions
Do the adjustment of out position.
In specific embodiment, the quantity for conduct piece 30 of connecting can be 1,2,3 etc..Such as, a series connection conduct piece
30 can be replaced with three or two mutually independent series connection conduct pieces, when composite bus bar 1 it is in irregular shape when, can pass through
The structure for changing three or two mutually independent series connection conduct pieces rationally to utilize the structure of existing composite bus bar 1, that is, not
It influences maximumlly to utilize the structure of composite bus bar 1 in the case of product performance, and then is convenient for the other component of frequency converter
Rational deployment, reduce space occupancy rate of the composite bus bar 1 to frequency converter.
In one embodiment of the utility model, it is preferable that as shown in Figure 1 to Figure 3, composite bus bar 1 further includes：Connection
Portion 50, be distributed in without overlapping on the side wall of positive conductive part 10, on the side wall of negative conductive part 20 and series connection conduct piece 30
Side wall on；The outer edge of first conductive component is provided with the first groove 60, and the first groove 60 is for making the second conductive component
Interconnecting piece 50 exposes outside the first conductive component.
In this embodiment, composite bus bar 1 further includes interconnecting piece 50, and interconnecting piece 50 is made to be distributed in anode without overlapping
On the side wall of conduct piece 10, on the side wall of negative conductive part 20 and on the side wall of series connection conduct piece 30, and then utilize interconnecting piece 50
Realize the connection of composite bus bar 1 and electronic device；Further, recessed by being provided with first in the outer edge of the first conductive component
The structure setting of slot 60, the first groove 60 makes the interconnecting piece 50 of the second conductive component expose outside the first conductive component, in this way, multiple
Busbar 1 is closed when connect with electronic device, what is be in contact with electronic device only has interconnecting piece 50, by the when avoiding assembling electronic device
The containing of the material of one insulating part 40 and the first conductive component and cause rigging error big and junction electronic device stress is big
It happens so that the link position that interconnecting piece 50 and electronic device can be targetedly finely tuned according to specific assembly situation, into
And ensure the convenience integrally assembled and adaptability, the process for simplifying assembly, the difficulty of assembly is reduced, assembly is improved
Precision；Further, the outer edge in the first conductive component is arranged in the first groove 60, and, series connection conduct piece 30 is conductive with another
Part is generally aligned in the same plane and separately positioned event, in the same of the assembly reliability and stability for ensureing composite bus bar 1 and electronic device
When, it will not become because of the overlapping area of another conduct piece and conduct piece 30 of connecting in positive conductive part 10 and negative conductive part 20
Small and the case where increasing stray inductance, occurs, and due to being provided with the first groove 60, therefore, reduce the input of material, alleviates
The weight of product, reduces production cost.Meanwhile the structure setting processing technology is simple, is convenient for volume production.
In specific embodiment, the outer edge of the first insulating part 40 is provided with third groove, and third groove is for making second to lead
The interconnecting piece 50 of electrical component exposes outside the first conductive component.
In specific embodiment, the quantity of the first groove 60 is two, and two the first grooves 60 are symmetrically distributed and are led in first
The opposite end of electrical component, the structure setting difficulty of processing is low, easy to process.
In specific embodiment, interconnecting piece 50 includes：Positive pin 502 and negative pin 504.
In one embodiment of the utility model, it is preferable that interconnecting piece 50 is an integral structure with positive conductive part 10；
And/or interconnecting piece 50 is an integral structure with negative conductive part 20；And/or interconnecting piece 50 is integral type knot with conduct piece 30 of connecting
Structure.
In this embodiment, interconnecting piece 50 is an integral structure with positive conductive part 10 and/or interconnecting piece 50 is led with cathode
Electric part 20 is an integral structure and/or interconnecting piece 50 is an integral structure with conduct piece 30 of connecting, and the structure setting is compact and steady
Fixed reliable, occupied space area is small, and processing technology is simple, takes less, production cost is low.
In specific embodiment, interconnecting piece 50 is split structure with positive conductive part 10；And/or interconnecting piece 50 is led with cathode
Electric part 20 is split structure；And/or interconnecting piece 50 is split structure with conduct piece 30 of connecting, which is arranged just
According to specific actual use demand adjustment interconnecting piece 50 and positive conductive part 10, negative conductive part 20 and conduct piece 30 of connecting
Rigging position, to promote the widely applicable property of product, that is, led using same positive conductive part 10 or negative conductive part 20 or series connection
Electric part 30 coordinates the interconnecting piece 50 of different installation positions, to realize the setting of the composite bus bar 1 of a variety of connection structures.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, the first conductive component further includes：Second absolutely
Edge part 70 is located at the side that a conduct piece deviates from the first insulating part 40；Second conductive component further includes：Third insulating part 80,
Deviate from the side of the first insulating part 40 positioned at another conduct piece.
In this embodiment, the first conductive component further includes the second insulating part 70, and the second conductive component further includes that third is exhausted
Edge part 80, that is, the opposite sides of a conduct piece in positive conductive part 10 and negative conductive part 20 is respectively arranged with first absolutely
The opposite sides of edge part 40 and the second insulating part 70, positive conductive part 10 and another conduct piece in negative conductive part 20 is distinguished
It is provided with the first insulating part 40 and third insulating part 80, the position setting of the second insulating part 70 and third insulating part 80, Ke Yiqi
To the effect of isolation conduct piece, the case where avoiding leaking electricity.
In one embodiment of the utility model, it is preferable that as shown in Figure 1 to Figure 3, composite bus bar 1 further includes：Anode
The outer edge in positive conductive part 10 is arranged in bending part 90, the positive terminal for connecting power supply；Cathode bending part 100, setting exist
The outer edge of negative conductive part 20, the negative pole end for connecting power supply.
In this embodiment, composite bus bar 1 further includes：Positive bending part 90 and cathode bending part 100, utilize positive bending
Portion 90 and cathode bending part 100 realize the connection of composite bus bar 1 and power supply, and then realize the electricity being connected with composite bus bar 1
The corresponding function of sub- device.Simultaneously as positive bending part 90 and cathode bending part 100 are located at positive conductive part 10 and bear
The outer edge of pole conduct piece 20, and positive bending part 90 and cathode bending part 100 for curved surface on-plane surface, therefore, the structure setting
The appearance and size that composite bus bar 1 can be reduced under the premise of the effect of guarantee connection, to reduce occupancy of the composite bus bar 1 to space
Rate is convenient for the rational deployment of other devices.
In one embodiment of the utility model, it is preferable that as shown in Figures 2 and 3, composite bus bar 1 further includes：Mark
Portion 110 is arranged on positive bending part 90 and/or on cathode bending part 100, is used to indicate the link position of anode and/or bears
The link position of pole.
In this embodiment, pass through be arranged mark part 110 so that mark part 110 be arranged on positive bending part 90 and/or
On cathode bending part 100, in this way, in follow-up assembled, the positive and negative anodes of subsequent electronics are apparent from convenient for worker
It should be attached with the where of composite bus bar 1, avoid leading to electronic device even because mistaking the link position of positive or negative pole
The case where being equipment damage, occurs, and improves efficiency of assembling, reduces production cost.It specifically, can be by way of punching press
"-" number and/or "+" number in 100 punching press of positive bending part 90 and/or cathode bending part.
In specific implementation, as shown in Figures 2 and 3, by way of punching press in 100 punching press of cathode bending part "-" number, with
Just it distinguishes.
In one embodiment of the utility model, it is preferable that as shown in Figure 1 to Figure 3, the first conductive component further includes：
Mounting portion 120 is recessed the second groove to be formed for positive conductive part 10 or negative conductive part 20 away from 40 direction of the first insulating part
Structure；Wherein, the fastening of composite bus bar 1 and electronic device is realized by mounting portion 120.
In this embodiment, since composite bus bar 1 includes：Positive conductive part 10, negative conductive part 20, series connection conduct piece
30, the first insulating part 40, the second insulating part 70 and third insulating part 80, therefore, when any of which or several conduct pieces or absolutely
If the thickness and size difference of edge part, then the mounting surface that just will appear composite bus bar 1 when assembling composite bus bar 1 inclines
The case where tiltedly or bending (mounting surface is located at the same side of composite bus bar 1) carries out assembly fastening composite bus bar 1 using the mounting surface
With certainly will will appear unbalance stress if electronic device and then the case where lead to electronic device run-off the straight, can thus influence it
The layout of his electronic device, therefore, in order to avoid the above problem, by deviating from first in positive conductive part 10 or negative conductive part 20
40 direction of insulating part is recessed the second groove structure to be formed, and then using the exterior bottom wall of the second groove structure as mounting surface, with
This ensures the flatness of composite bus bar 1 and the mounting surface of electronic device, and then ensure that the stability and reliability of assembly.Together
When, the structure setting is reasonable, easy to process, and production cost is low, can volume production.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, composite bus bar 1 further includes：Connecting hole
130, run through the second conductive component and the first insulating part 40；Avoid holes 140 are arranged on the first conductive component, are located at connecting hole
On 130；Wherein, connecting hole 130 is located in the projection of the first conductive component within avoid holes 140.
In this embodiment, by the way that connecting hole 130 is arranged on the second conductive component and the first insulating part 40 so that utilize
Connecting hole 130 realizes the connection of the second conductive component and electronic device, and the processing technology of connecting hole 130 is simple, and manufacturing procedure is few,
Production cost is low, is convenient for volume production；Further, avoid holes 140 are set on the first conductive component so that connecting hole 130 is the
The projection of one conductive component is located within avoid holes 140, in this way, the second conductive component is connected using connecting hole 130 and electronic device
When connecing, electronic device will not generate assembly intersection with the first conductive component, therefore, the first conductive component will not be to the second conductive group
The connection of part and electronic device generates interference, ensure that the uniqueness for the conductive component being connect with electronic device, and then ensure that
The use reliability of assembly and safety.
In specific embodiment, also can, connecting hole 130 run through the first conductive component and the first insulating part 40, avoid holes 140,
It is arranged on the second conductive component, is located on connecting hole 130；Wherein, connecting hole 130 is located in the projection of the second conductive component
Within avoid holes 140.By the way that connecting hole 130 is arranged on the first conductive component and the first insulating part 40 so that utilize connecting hole
130 realize the connection of the first conductive component and electronic device, and the processing technology of connecting hole 130 is simple, and manufacturing procedure is few, is produced into
This is low, is convenient for volume production；Further, avoid holes 140 are set on the second conductive component so that connecting hole 130 is in the second conduction
The projection of component is located within avoid holes 140, in this way, when the first conductive component is connect using connecting hole 130 with electronic device, electricity
Sub- device will not generate assembly intersection with the second conductive component, therefore, the second conductive component will not be to the first conductive component and electricity
The connection of sub- device generates interference, ensure that the uniqueness for the conductive component being connect with electronic device, and then ensure that assembly
Use reliability and safety.
In one embodiment of the utility model, it is preferable that positive conductive part 10 is copper positive conductive part；Negative conductive
Part 20 is copper negative conductive part；Conduct piece 30 of connecting is copper series connection conduct piece.
In this embodiment, by the way that the material of conduct piece is rationally arranged so that positive conductive part 10 is copper positive conductive part,
Negative conductive part 20 is copper negative conductive part, and series connection conduct piece 30 is copper series connection conduct piece, and the ductility of copper conduct piece is good, heat conduction
Property and electric conductivity it is high, and resistivity is very low, and easy to process, production cost is low.Certainly, conduct piece also can be aluminium conduct piece.
In specific embodiment, composite bus bar 1 includes：Second insulating part 70, the first insulating part 40, is born positive conductive part 10
Pole conduct piece 20, at least one series connection conduct piece 30 and third insulating part 80, insulating part and conduct piece are fixed by heat pressure adhesive
Form composite bus bar 1.
In specific embodiment, 10 side of positive conductive part is equipped with multiple and 2 fixed connecting hole 130 of capacitance, and the other side is set
There are multiple positive pins 502 being connect with insulated gate bipolar transistor, the positive bending part being connect with DC power supply anode
90；Positive pin 502 is equipped with fixed hole, and positive bending part 90 is equipped with fixed hole, and positive conductive is realized using fixed hole
The connection of part 10 and capacitance 2 and insulated gate bipolar transistor.
In specific embodiment, the quantity of the first groove 60 is two, and two the first grooves 60 are symmetrically disposed in anode and lead
The opposite sides of electric part 10, this first groove 60 can both avoid the connecting hole 130 of negative conductive part 20 and conduct piece 30 of connecting
Safety requirement, also will not increase stray inductance due to becoming smaller with the overlapping area of negative conductive part 20 and conduct piece 30 of connecting, from
And reach and reduce material, reduce manufacturing procedure, reduce mold processing capacity, reduce cost, mitigate weight, saving space, meanwhile, it is multiple
Busbar 1 is closed when connect with electronic device, what is be in contact with electronic device only has interconnecting piece 50, by the when avoiding assembling electronic device
The containing of the material of one insulating part 40 and the first conductive component and cause rigging error big and junction electronic device stress is big
It happens so that the link position that interconnecting piece 50 and electronic device can be targetedly finely tuned according to specific assembly situation, into
And ensure the convenience integrally assembled and adaptability, the process for simplifying assembly, the difficulty of assembly is reduced, assembly is improved
Precision.
In specific embodiment, positive conductive part 10 is equipped with avoid holes 140, evacuation negative conductive part 20 and series connection conduct piece 30
Connecting hole 130 safety requirement；
In specific embodiment, positive conductive part 10 is provided preferably in positive conductive part 10 or negative conductive part 20 away from the
One insulating part, 40 direction is recessed the second groove structure to be formed, and then using the exterior bottom wall of the second groove structure as mounting surface,
The difference in height brought by the thickness of conduct piece and insulating part difference is made up, ensures the peace of composite bus bar 1 and electronic device with this
The flatness in dress face, and then ensure that the stability and reliability of assembly.Mounting portion 120 can be convex by riveting copper nut, punching press
The techniques such as packet realize the connection with positive conductive part 10 or negative conductive part 20, that is, mounting portion 120 and positive conductive part 10 or
Negative conductive part 20 is an integral structure, also can mounting portion 120 and positive conductive part 10 or negative conductive part 20 be split type knot
Structure.In specific embodiment, 20 side of negative conductive part is equipped with multiple and 2 fixed connecting hole 130 of capacitance, and the other side is equipped with multiple
The negative pin 504 being connect with insulated gate bipolar transistor, the cathode bending part 100 being connect with DC power cathode, cathode
Pin 504 is equipped with fixed hole, and cathode bending part 100 is equipped with fixed hole, using fixed hole realize negative conductive part 20 with
The connection of capacitance 2 and insulated gate bipolar transistor.
In specific embodiment, as shown in Figure 1, the quantity of the 4th groove 150 is two, two the 4th grooves 150 are symmetrically
(quantity of certain 4th groove 150 is not limited to two to the outer edge for being arranged in the opposite end of negative conductive part 20, can also be
Three, four and multiple, and the installation position of the 4th groove 150 is not limited to be symmetrically arranged), 150 structure of the 4th groove allows negative
Electrode current flowing and the overlapping area of positive electric current flowing are big as best one can, to reduce stray inductance；And material, drop can be reduced
Low cost mitigates weight.
In specific embodiment, pass through be arranged mark part 110 so that mark part 110 be arranged on positive bending part 90 and/or
On cathode bending part 100 (mark part 110 also may be provided at the other positions of conduct piece), in this way, in follow-up assembled, just
The positive and negative anodes that subsequent electronics are apparent from worker should be attached with the where of composite bus bar 1, be avoided because mistaking just
The link position of pole or cathode and cause electronic device even equipment damage the case where occur, improve efficiency of assembling, reduce
Production cost, meanwhile, as shown in Figure 1 to Figure 3, the setting person easy to operation of the 4th groove 150 observes mark part 110.Specifically
Ground, can by way of punching press in 100 punching press of positive bending part 90 and/or cathode bending part "-" number and/or "+" number, also
The mode that stickup can be used assembles mark part 110.
Second aspect embodiment according to the present utility model, it is also proposed that a kind of frequency converter includes the of the utility model
Composite bus bar 1 described in one side embodiment.
Frequency converter provided by the utility model, because including the composite bus bar 1 described in first aspect embodiment, therefore with upper
The whole advantageous effects for stating composite bus bar 1, do not do state one by one herein.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term
The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection,
Can be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary
Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of composite bus bar, which is characterized in that the composite bus bar includes：
A conduct piece in first conductive component, including positive conductive part and negative conductive part；
Second conductive component, including the positive conductive part and another conduct piece in the negative conductive part and at least one
It connects conduct piece, the series connection conduct piece is generally aligned in the same plane and separately positioned with another described conduct piece；
First insulating part, between first conductive component and second conductive component.
2. composite bus bar according to claim 1, which is characterized in that the composite bus bar further includes：
Interconnecting piece is distributed on the side wall of the positive conductive part, without overlapping on the side wall of the negative conductive part and institute
On the side wall for stating series connection conduct piece；
The outer edge of first conductive component is provided with the first groove, and first groove is for making second conductive component
Interconnecting piece expose outside first conductive component.
3. composite bus bar according to claim 2, which is characterized in that
The interconnecting piece is an integral structure with the positive conductive part；And/or
The interconnecting piece is an integral structure with the negative conductive part；And/or
The interconnecting piece is an integral structure with the conduct piece of connecting.
4. composite bus bar according to any one of claim 1 to 3, which is characterized in that
First conductive component further includes：
Second insulating part is located at the side that one conduct piece deviates from first insulating part；
Second conductive component further includes：
Third insulating part is located at the side that another described conduct piece deviates from first insulating part.
5. composite bus bar according to any one of claim 1 to 3, which is characterized in that the composite bus bar further includes：
The outer edge in the positive conductive part, the positive terminal for connecting power supply is arranged in positive bending part；
The outer edge in the negative conductive part, the negative pole end for connecting power supply is arranged in cathode bending part.
6. composite bus bar according to claim 5, which is characterized in that the composite bus bar further includes：
Mark part, setting are used to indicate the link position of anode on the positive bending part and/or on the cathode bending part
And/or the link position of cathode.
7. composite bus bar according to any one of claim 1 to 3, which is characterized in that
First conductive component further includes：
Mounting portion, be recessed for the positive conductive part or the negative conductive part away from first insulating part direction to be formed the
Two groove structures；
Wherein, the fastening of the composite bus bar and electronic device is realized by the mounting portion.
8. composite bus bar according to any one of claim 1 to 3, which is characterized in that the composite bus bar further includes：
Connecting hole runs through second conductive component and first insulating part；
Avoid holes are arranged on first conductive component, are located on the connecting hole；
Wherein, the connecting hole is located in the projection of first conductive component within the avoid holes.
9. composite bus bar according to any one of claim 1 to 3, which is characterized in that
The positive conductive part is copper positive conductive part；
The negative conductive part is copper negative conductive part；
The series connection conduct piece is copper series connection conduct piece.
10. a kind of frequency converter, which is characterized in that including：
Composite bus bar as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379681.0U CN207926424U (en) | 2018-03-20 | 2018-03-20 | Composite bus bar and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379681.0U CN207926424U (en) | 2018-03-20 | 2018-03-20 | Composite bus bar and frequency converter |
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| Publication Number | Publication Date |
|---|---|
| CN207926424U true CN207926424U (en) | 2018-09-28 |
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ID=63596234
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379681.0U Active CN207926424U (en) | 2018-03-20 | 2018-03-20 | Composite bus bar and frequency converter |
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| Country | Link |
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| CN (1) | CN207926424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830951A (en) * | 2019-03-20 | 2019-05-31 | 深圳供电局有限公司 | Busbar structure for distribution system |
| CN114615805A (en) * | 2020-12-09 | 2022-06-10 | Oppo广东移动通信有限公司 | Circuit board assembly and adapter |
-
2018
- 2018-03-20 CN CN201820379681.0U patent/CN207926424U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109830951A (en) * | 2019-03-20 | 2019-05-31 | 深圳供电局有限公司 | Busbar structure for distribution system |
| CN114615805A (en) * | 2020-12-09 | 2022-06-10 | Oppo广东移动通信有限公司 | Circuit board assembly and adapter |
| CN114615805B (en) * | 2020-12-09 | 2023-11-07 | Oppo广东移动通信有限公司 | Circuit board assembly and adapter |
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