CN103559968A - Shunting element for printed circuit board - Google Patents
Shunting element for printed circuit board Download PDFInfo
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- CN103559968A CN103559968A CN201310535796.6A CN201310535796A CN103559968A CN 103559968 A CN103559968 A CN 103559968A CN 201310535796 A CN201310535796 A CN 201310535796A CN 103559968 A CN103559968 A CN 103559968A
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- gap
- pin
- circuit board
- printed circuit
- pcb
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 238000005452 bending Methods 0.000 claims abstract description 8
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 claims description 19
- 239000002966 varnish Substances 0.000 claims description 16
- 229910001006 Constantan Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 33
- 238000000034 method Methods 0.000 abstract description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009966 trimming Methods 0.000 description 19
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 17
- 238000012545 processing Methods 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of electric parameter measurement, and provides a shunting element for a printed circuit board. The shunting element is formed by bending a strip-type metal sheet, wherein at least one notch is formed in each of the opposite first and second ends of the strip-type metal sheet, so that the first end is divided into at least one first-type pin and at least one second-type pin, and the second end is divided into at least one third-type pin and at least one fourth-type pin; the width of the first-type pin is greater than that of the second-type pin, and the width of the third-type pin is greater than that of the fourth-type pin. The shunting element is integrally machined by using the strip-type metal sheets, and is simple in structure; the resistance of a finished product is not required to be regulated, so that manufacturing procedures are simplified; at the same time, a conventional terminal sheet part is rreduced, so that a resistance value can be increased or decreased according to actual needs, and the shunting element is high in flexibility; moreover, a welding procedure is not required, so that the shunting element has the advantage of small temperature drift.
Description
Technical field
The invention belongs to electric parameter metering technical field, relate in particular to a kind of vent diverter of printed circuit board (PCB).
Background technology
Vent diverter is a kind of being widely used in loops such as power supply that communication system, complete electronic set, automation control, the device detecting in order to realize current limliting, current-sharing sampling, and its principle that produces voltage according to direct current during by resistance at resistance two ends is made.
Fig. 1 a shows in prior art, is applied in the end view of the vent diverter on printed circuit board (PCB), and Fig. 1 b is the front view of Fig. 1 a, and the n shape structure of take is example.This vent diverter comprises resistor disc and in order to connect the dististyle of printed circuit board (PCB), resistor disc is as shown in shadeless A part, and dististyle is as being with as shown in hypographous B part.Wherein, resistor disc adopts copper-manganese to make, and floats in order to reduce contact resistance and temperature, and dististyle adopts red copper to make, and that is to say, this splitter is to be welded by copper-manganese and red copper, but not one-body molded.
Therefore, the vent diverter of the above-mentioned printed circuit board (PCB) that prior art provides has following defect: one, copper-manganese and red copper in welding process due to reasons such as techniques, with respect to design load, can there is certain deviation in the resistance of the vent diverter of making, this just need to be after vent diverter be made, vent diverter is carried out to resistance trimming, make long processing time, the average product of vent diverter low, and then improved production cost; Two, when the vent diverter of making is carried out to resistance trimming, due to the existence of dististyle, resistance can only be tuned up, can not turn down, application flexibility is poor.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of vent diverter of printed circuit board (PCB), the vent diverter that is intended to solve the printed circuit board (PCB) that prior art provides is to be welded by copper-manganese and red copper, need to carry out resistance trimming to the vent diverter of making, make long processing time, average product is low, production cost is high, and the resistance problem that cannot tune up.
The embodiment of the present invention is to realize like this, a kind of vent diverter of printed circuit board (PCB), described vent diverter is formed by strip metal bending tablet, first end and the second end relative on described strip sheet metal have at least one gap, so that described first end is separated at least one first kind pin and at least one Equations of The Second Kind pin, described the second end is separated at least one the 3rd class pin and at least one the 4th class pin, and the width of described first kind pin is greater than the width of described Equations of The Second Kind pin, the width of described the 3rd class pin is greater than the width of described the 4th class pin,
Described first kind pin and described the 3rd class pin are connected printed circuit board (PCB) for the current sample pin as described vent diverter respectively, and described Equations of The Second Kind pin and described the 4th class pin are used for being respectively connected described printed circuit board (PCB) as the voltage sample pin of described vent diverter.
The vent diverter of the printed circuit board (PCB) that the embodiment of the present invention provides is to process by strip sheet metal is one-body molded, simple in structure, avoided the resistance deviation that in prior art, copper-manganese and red copper produce in welding process, thereby without manufactured goods are carried out to resistance trimming, processing procedure is simplified, shortened product processing duration, improved average product, and then can save the cost of artificial and material, and 50% production cost at least can fall; Meanwhile, owing to having reduced dististyle part with respect to existing vent diverter, thereby can according to actual needs resistance be tuned up or be turned down, flexibility be strong; In addition, because the welding of copper-manganese in prior art and red copper is to adopt tin as medium, the temperature of solder is floated the coefficient less stable of comparing, and the embodiment of the present invention is without welding sequence, has advantages of that temperature floats little.
Accompanying drawing explanation
Fig. 1 a is the end view of the vent diverter of the printed circuit board (PCB) that provides of prior art;
Fig. 1 b is the front view of Fig. 1 a;
Fig. 2 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention one;
Fig. 3 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention one;
Fig. 4 is that the vent diverter of printed circuit board (PCB) that the embodiment of the present invention one is provided carries out resistance trimming to reduce the principle schematic of resistance;
Fig. 5 is that the vent diverter of printed circuit board (PCB) that the embodiment of the present invention one is provided carries out resistance trimming to increase the principle schematic of resistance;
Fig. 6 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention two;
Fig. 7 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention two;
Fig. 8 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention three;
Fig. 9 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention three;
Figure 10 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention four;
Figure 11 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention four.Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
For the problem of prior art existence, the present invention proposes a kind of vent diverter of printed circuit board (PCB).This vent diverter is formed by a strip metal bending tablet, first end and the second end relative on this strip sheet metal have at least one gap, so that first end is separated at least one first kind pin and at least one Equations of The Second Kind pin, the second end is separated at least one the 3rd class pin and at least one the 4th class pin, and the width of first kind pin is greater than the width of Equations of The Second Kind pin, the width of the 3rd class pin is greater than the width of the 4th class pin; First kind pin and the 3rd class pin are connected printed circuit board (PCB) for the current sample pin as vent diverter respectively, and Equations of The Second Kind pin and the 4th class pin are used for being respectively connected printed circuit board (PCB) as the voltage sample pin of vent diverter.Below with reference to embodiment, implementation of the present invention is elaborated:
embodiment mono-
The embodiment of the present invention one has proposed a kind of vent diverter of printed circuit board (PCB), this vent diverter adopts sampling core structure, if Fig. 2 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention one, Fig. 3 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention one, this perspective view is to take strip sheet metal to bend to m shape as example, can certainly bend to n shape or other arbitrary shape according to the actual conditions of printed circuit board (PCB).For convenience of explanation, Fig. 2 only shows the part relevant with the embodiment of the present invention one to Fig. 3.
Specifically, shown in Fig. 2 and Fig. 3, the vent diverter of the printed circuit board (PCB) that the embodiment of the present invention one provides is formed by strip sheet metal 1 bending, the first end of strip sheet metal 1 has the first gap 101 and the second gap 102, the second end of strip sheet metal 1 has the 3rd gap 103 and the 4th gap 104, first end is separated into the first first kind pin 105, the second first kind pin 106 and the first Equations of The Second Kind pin 107, the second end is separated into the one or three class pin 108, the two or three class pin 109 and the one or four class pin 120, and the first Equations of The Second Kind pin 107 is placed between the first gap 101 and the second gap 102, the one or four class pin 120 is placed between the 3rd gap 103 and the 4th gap 104, the first first kind pin 105 and the second first kind pin 106 are wide, the one or three class pin 108 and the two or three class pin 109 are wide.
In the embodiment of the present invention one, strip sheet metal 1 can be rectangle, the first gap 101 and the second gap 102 are symmetrical along the symmetry axis of this rectangle long side direction, the 3rd gap 103 and the 4th gap 104 are symmetrical along the symmetry axis of this rectangle long side direction, and the first gap 101 and the 3rd gap 103 are symmetrical along the symmetry axis of this rectangle short side direction.
In the embodiment of the present invention one, strip sheet metal 1 can be copper-manganese sheet or constantan sheet.
In the embodiment of the present invention one, when preventing the welding of this vent diverter and printed circuit board (PCB), scolding tin is climbed to device top and is caused unnecessary temperature to float, can be brushed with insulating varnish at the top edge of the first gap 101 and the second gap 102, and/or be brushed with insulating varnish at the top edge of the 3rd gap 103 and the 4th gap 104, it is 5mm that the width of insulating varnish can be, but not limited to, as the dotted line of Fig. 3 and between as shown in subregion.
Especially, when preventing the welding of vent diverter and printed circuit board (PCB), scolding tin is climbed to voltage pin and is affected resistance, in the embodiment of the present invention one, the first gap 101 and the second gap 102 and/or the 3rd gap 103 and the 4th gap 104 adopt secondary opening, that is to say, secondary opening is carried out in the bottom after opening for the first time, and secondary flex point will appear in the corresponding gap after secondary opening.Like this, when vent diverter and printed circuit board (PCB) welding, bottom after an opening and following part will be plugged in printed circuit board (PCB) welds, and secondary opening portion will be placed on plate face and do not participate in welding, thereby form a gap between the bottom of voltage pin and plate face, this gap can effectively stop scolding tin to climb to voltage pin bottom, thereby has guaranteed the accuracy of resistance in application process.
In the embodiment of the present invention one, due to without dististyle, thereby when needed, can tune up or turn down processing to the resistance of the vent diverter of this printed circuit board (PCB).Below describe the resistance trimming principle of the vent diverter of this printed circuit board (PCB) in detail:
By formula: R=ρ L/S, wherein, the resistance of the vent diverter that R is this printed circuit board (PCB), ρ is resistivity, L is the effective length of current flowing part in the vent diverter of this printed circuit board (PCB), current flowing net sectional area partly in the vent diverter that S be this printed circuit board (PCB).For strip sheet metal 1, its material is consistent, and ρ is fixed value, so the size of vent diverter resistance determines by L and S, can the resistance of vent diverter be turned down by shortening L, also can the resistance of vent diverter be increased by reducing S.For example, if reduce resistance, as shown in Figure 4, part metals is further dug up in bottom at the first gap 101, forms the first resistance trimming portion 121, in the bottom of the 3rd gap 103, further digs up part metals, form the second resistance trimming portion 122, to reduce L, and owing to being sampling core structure, therefore require the first resistance trimming portion 122 symmetrical with the symmetry axis of the second relative strip sheet metal 1 long side direction of resistance trimming portion 122; If increase resistance, as shown in Figure 5, at the mid portion of strip sheet metal 1 body, further dig up part metals, form at least one the 3rd resistance trimming portion 123, to reduce S.
The vent diverter of the printed circuit board (PCB) that the embodiment of the present invention one provides is to process by strip sheet metal 1 is one-body molded, simple in structure, avoided the resistance deviation that in prior art, copper-manganese and red copper produce in welding process, thereby without manufactured goods are carried out to resistance trimming, processing procedure is simplified, shortened product processing duration, improved average product, and then can save the cost of artificial and material, and 50% production cost at least can fall; Meanwhile, owing to having reduced dististyle part with respect to existing vent diverter, thereby can according to actual needs resistance be tuned up or be turned down, flexibility be strong; In addition, because the welding of copper-manganese in prior art and red copper is to adopt tin as medium, the temperature of solder is floated the coefficient less stable of comparing, and the embodiment of the present invention one is without welding sequence, has advantages of that temperature floats little.
embodiment bis-
The embodiment of the present invention two has proposed a kind of vent diverter of printed circuit board (PCB), this vent diverter adopts intersection average sample structure, if Fig. 6 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention two, Fig. 7 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention two, this perspective view is to take strip sheet metal to bend to m shape as example, can certainly bend to n shape or other arbitrary shape according to the actual conditions of printed circuit board (PCB).For convenience of explanation, Fig. 6 only shows the part relevant with the embodiment of the present invention two to Fig. 7.
Specifically, shown in Fig. 6 and Fig. 7, the vent diverter of the printed circuit board (PCB) that the embodiment of the present invention two provides is formed by strip sheet metal 2 bendings, the first end of strip sheet metal 2 has the 5th gap 202, the second end of strip sheet metal 2 has the 6th gap 205, first end is separated into the 3rd first kind pin 201 and the second Equations of The Second Kind pin 203, the second ends are separated into the three or three class pin 206 and the two or four class pin 204.
In the embodiment of the present invention two, strip sheet metal 2 can be rectangle, the 5th gap 202 is identical with the shape and size of the 6th gap 205, the second Equations of The Second Kind pin 203 and the two or four class pin 204 are arranged in a crossed manner along this rectangle diagonal, and the second Equations of The Second Kind pin 203 and the two or four class pin 204 wide.
In the embodiment of the present invention two, strip sheet metal 2 can be copper-manganese sheet or constantan sheet.
Similarly, in the embodiment of the present invention two, when preventing the welding of this vent diverter and printed circuit board (PCB), scolding tin is climbed to device top and is caused unnecessary temperature to float, can be brushed with insulating varnish at the top edge of the 5th gap 202, and/or being brushed with insulating varnish at the top edge of the 6th gap 205, it is 5mm that the width of insulating varnish can be, but not limited to.
Similarly, when preventing the welding of vent diverter and printed circuit board (PCB), scolding tin is climbed to voltage pin and is affected resistance, in the embodiment of the present invention two, the 5th gap 202 and/or the 6th gap 205 adopt secondary opening, that is to say, secondary opening is carried out in the bottom after opening for the first time, and secondary flex point will appear in the corresponding gap after secondary opening.Like this, when vent diverter and printed circuit board (PCB) welding, bottom after an opening and following part will be plugged in printed circuit board (PCB) welds, and secondary opening portion will be placed on plate face and do not participate in welding, thereby form a gap between the bottom of voltage pin and plate face, this gap can effectively stop scolding tin to climb to voltage pin bottom, thereby has guaranteed the accuracy of resistance in application process.
Similarly, in the embodiment of the present invention two, when needed, can tune up or turn down processing to the resistance of the vent diverter of this printed circuit board (PCB), resistance trimming principle and mode are identical with embodiment mono-, are not repeated herein.
The vent diverter of the printed circuit board (PCB) that the embodiment of the present invention two provides is to process by strip sheet metal 2 is one-body molded, simple in structure, avoided the resistance deviation that in prior art, copper-manganese and red copper produce in welding process, thereby without manufactured goods are carried out to resistance trimming, processing procedure is simplified, shortened product processing duration, improved average product, and then can save the cost of artificial and material, and 50% production cost at least can fall; Meanwhile, owing to having reduced dististyle part with respect to existing vent diverter, thereby can according to actual needs resistance be tuned up or be turned down, flexibility be strong; In addition, because the welding of copper-manganese in prior art and red copper is to adopt tin as medium, the temperature of solder is floated the coefficient less stable of comparing, and the embodiment of the present invention two is without welding sequence, has advantages of that temperature floats little.
embodiment tri-
The embodiment of the present invention three has proposed a kind of vent diverter of printed circuit board (PCB), this vent diverter adopts the symmetrical sampling structure of intersection, if Fig. 8 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention three, Fig. 9 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention three, this perspective view is to take strip sheet metal to bend to m shape as example, can certainly bend to n shape or other arbitrary shape according to the actual conditions of printed circuit board (PCB).For convenience of explanation, Fig. 8 only shows the part relevant with the embodiment of the present invention three to Fig. 9.
Specifically, shown in Fig. 8 and Fig. 9, the vent diverter of the printed circuit board (PCB) that the embodiment of the present invention three provides is formed by strip sheet metal 3 bendings, the first end of strip sheet metal 3 has the 7th gap 301 and the 8th gap 302, the second end of strip sheet metal 3 has the 9th gap 303 and the tenth gap 304, first end is separated into the 4th first kind pin 309, the 3rd Equations of The Second Kind pin 305 and the 4th Equations of The Second Kind pin 306, the second end is separated into the four or three class pin 310, the three or four class pin 307 and the four or four class pin 308, and the 4th first kind pin 309 is placed between the 7th gap 301 and the 8th gap 302, the four or three class pin 310 is placed between the 9th gap 303 and the tenth gap 304, the 3rd Equations of The Second Kind pin 305 and the 4th Equations of The Second Kind pin 306 are wide, the three or four class pin 307 and the four or four class pin 308 are wide.
In the embodiment of the present invention three, strip sheet metal 3 can be rectangle, the 7th gap 301 and the 8th gap 302 are symmetrical along the symmetry axis of this rectangle long side direction, the 9th gap 303 and the tenth gap 304 are symmetrical along the symmetry axis of this rectangle long side direction, and the 7th gap 301 and the 9th gap 303 are symmetrical along the symmetry axis of this rectangle short side direction.
In the embodiment of the present invention three, strip sheet metal 3 can be copper-manganese sheet or constantan sheet.
Similarly, in the embodiment of the present invention three, when preventing the welding of this vent diverter and printed circuit board (PCB), scolding tin is climbed to device top and is caused unnecessary temperature to float, can be brushed with insulating varnish at the top edge of the 7th gap 301 and the 8th gap 302, and/or being brushed with insulating varnish at the top edge of the 9th gap 303 and the tenth gap 304, it is 5mm that the width of insulating varnish can be, but not limited to.
Similarly, when preventing the welding of vent diverter and printed circuit board (PCB), scolding tin is climbed to voltage pin and is affected resistance, in the embodiment of the present invention three, the 7th gap 301, the 8th gap 302, the 9th gap 303 and/or the tenth gap 304 adopt secondary opening, that is to say, secondary opening is carried out in the bottom after opening for the first time, and secondary flex point will appear in the corresponding gap after secondary opening.Like this, when vent diverter and printed circuit board (PCB) welding, bottom after an opening and following part will be plugged in printed circuit board (PCB) welds, and secondary opening portion will be placed on plate face and do not participate in welding, thereby form a gap between the bottom of voltage pin and plate face, this gap can effectively stop scolding tin to climb to voltage pin bottom, thereby has guaranteed the accuracy of resistance in application process.
Similarly, in the embodiment of the present invention three, when needed, can tune up or turn down processing to the resistance of the vent diverter of this printed circuit board (PCB), resistance trimming principle and mode are identical with embodiment mono-, are not repeated herein.
The vent diverter of the printed circuit board (PCB) that the embodiment of the present invention three provides is to process by strip sheet metal 3 is one-body molded, simple in structure, avoided the resistance deviation that in prior art, copper-manganese and red copper produce in welding process, thereby without manufactured goods are carried out to resistance trimming, processing procedure is simplified, shortened product processing duration, improved average product, and then can save the cost of artificial and material, and 50% production cost at least can fall; Meanwhile, owing to having reduced dististyle part with respect to existing vent diverter, thereby can according to actual needs resistance be tuned up or be turned down, flexibility be strong; In addition, because the welding of copper-manganese in prior art and red copper is to adopt tin as medium, the temperature of solder is floated the coefficient less stable of comparing, and the embodiment of the present invention three is without welding sequence, has advantages of that temperature floats little.
embodiment tetra-
The embodiment of the present invention four has proposed a kind of vent diverter of printed circuit board (PCB), this vent diverter adopts symmetrical sampling structure, if Figure 10 is the extension schematic diagram of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention four, Figure 11 is the perspective view of the vent diverter of the printed circuit board (PCB) that provides of the embodiment of the present invention four, this perspective view is to take strip sheet metal to bend to m shape as example, can certainly bend to n shape or other arbitrary shape according to the actual conditions of printed circuit board (PCB).For convenience of explanation, Figure 10 only shows the part relevant with the embodiment of the present invention four to Figure 11.
Specifically, shown in Figure 10 and Figure 11, the vent diverter of the printed circuit board (PCB) that the embodiment of the present invention four provides is formed by strip sheet metal 4 bendings, the first end of strip sheet metal 4 has the 11 gap 401, the second end of strip sheet metal 4 has the 12 gap 402, first end is separated into the 5th first kind pin 405 and the 5th Equations of The Second Kind pin 403, the second ends are separated into the five or three class pin 406 and the five or four class pin 404.
In the embodiment of the present invention four, strip sheet metal 4 can be rectangle, and the 11 gap 401 and the 12 gap 402 are symmetrical along the symmetry axis of this rectangle short side direction.
In the embodiment of the present invention four, strip sheet metal 4 can be copper-manganese sheet or constantan sheet.
Similarly, in the embodiment of the present invention four, when preventing the welding of this vent diverter and printed circuit board (PCB), scolding tin is climbed to device top and is caused unnecessary temperature to float, can be brushed with at the top edge of the 11 gap 401 insulating varnish, and/or being brushed with insulating varnish at the top edge of the 12 gap 402, it is 5mm that the width of insulating varnish can be, but not limited to.
Similarly, when preventing the welding of vent diverter and printed circuit board (PCB), scolding tin is climbed to voltage pin and is affected resistance, in the embodiment of the present invention four, 11 gap 401 and/or the 12 gap 402 adopt secondary opening, that is to say, secondary opening is carried out in the bottom after opening for the first time, and secondary flex point will appear in the corresponding gap after secondary opening.Like this, when vent diverter and printed circuit board (PCB) welding, bottom after an opening and following part will be plugged in printed circuit board (PCB) welds, and secondary opening portion will be placed on plate face and do not participate in welding, thereby form a gap between the bottom of voltage pin and plate face, this gap can effectively stop scolding tin to climb to voltage pin bottom, thereby has guaranteed the accuracy of resistance in application process.
Similarly, in the embodiment of the present invention four, when needed, can tune up or turn down processing to the resistance of the vent diverter of this printed circuit board (PCB), resistance trimming principle and mode are identical with embodiment mono-, are not repeated herein.
The vent diverter of the printed circuit board (PCB) that the embodiment of the present invention four provides is to process by strip sheet metal 4 is one-body molded, simple in structure, avoided the resistance deviation that in prior art, copper-manganese and red copper produce in welding process, thereby without manufactured goods are carried out to resistance trimming, processing procedure is simplified, shortened product processing duration, improved average product, and then can save the cost of artificial and material, and 50% production cost at least can fall; Meanwhile, owing to having reduced dististyle part with respect to existing vent diverter, thereby can according to actual needs resistance be tuned up or be turned down, flexibility be strong; In addition, because the welding of copper-manganese in prior art and red copper is to adopt tin as medium, the temperature of solder is floated the coefficient less stable of comparing, and the embodiment of the present invention four is without welding sequence, has advantages of that temperature floats little.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the vent diverter of a printed circuit board (PCB), it is characterized in that, described vent diverter is formed by strip metal bending tablet, first end and the second end relative on described strip sheet metal have at least one gap, so that described first end is separated at least one first kind pin and at least one Equations of The Second Kind pin, described the second end is separated at least one the 3rd class pin and at least one the 4th class pin, and the width of described first kind pin is greater than the width of described Equations of The Second Kind pin, the width of described the 3rd class pin is greater than the width of described the 4th class pin;
Described first kind pin and described the 3rd class pin are connected printed circuit board (PCB) for the current sample pin as described vent diverter respectively, and described Equations of The Second Kind pin and described the 4th class pin are used for being respectively connected described printed circuit board (PCB) as the voltage sample pin of described vent diverter.
2. the vent diverter of printed circuit board (PCB) as claimed in claim 1, it is characterized in that, described first end has the first gap and the second gap, described the second end has the 3rd gap and the 4th gap, described first end is separated into the first first kind pin, the second first kind pin and the first Equations of The Second Kind pin, described the second end is separated into the one or three class pin, the two or three class pin and the one or four class pin, and described the first Equations of The Second Kind pin is placed between described the first gap and described the second gap, described the one or four class pin is placed between described the 3rd gap and described the 4th gap, described the first first kind pin and described the second first kind pin are wide, described the one or three class pin and described the two or three class pin are wide.
3. the vent diverter of printed circuit board (PCB) as claimed in claim 2, it is characterized in that, that strip sheet metal is rectangle, described the first gap and described the second gap are symmetrical along the symmetry axis of described rectangle long side direction, described the 3rd gap and described the 4th gap are symmetrical along the symmetry axis of described rectangle long side direction, and described the first gap and described the 3rd gap are symmetrical along the symmetry axis of described rectangle short side direction.
4. the vent diverter of printed circuit board (PCB) as claimed in claim 3, is characterized in that, the top edge of described the first gap and described the second gap is brushed with insulating varnish; And/or the top edge of described the 3rd gap and described the 4th gap is brushed with insulating varnish;
Described the first gap and described the second gap and/or described the 3rd gap and described the 4th gap adopt secondary opening, and opening is for the second time carried out in the bottom after opening for the first time, so that secondary flex point will appear in the corresponding gap after secondary opening.
5. the vent diverter of printed circuit board (PCB) as claimed in claim 1, it is characterized in that, described first end has the 5th gap, described the second end has the 6th gap, described first end is separated into the 3rd first kind pin and the second Equations of The Second Kind pin, and described the second end is separated into the three or three class pin and the two or four class pin.
6. the vent diverter of printed circuit board (PCB) as claimed in claim 5, it is characterized in that, described strip sheet metal is rectangle, described the 5th gap is identical with the shape and size of described the 6th gap, described the second Equations of The Second Kind pin and described the two or four class pin are arranged in a crossed manner along described rectangle diagonal, and described the second Equations of The Second Kind pin and described the two or four class pin wide.
7. the vent diverter of printed circuit board (PCB) as claimed in claim 6, is characterized in that, the top edge of described the 5th gap is brushed with insulating varnish; And/or the top edge of described the 6th gap is brushed with insulating varnish;
Described the 5th gap and/or described the 6th gap adopt secondary opening, and opening is for the second time carried out in the bottom after opening for the first time, so that secondary flex point will appear in the corresponding gap after secondary opening.
8. the vent diverter of printed circuit board (PCB) as claimed in claim 1, it is characterized in that, described first end has the 7th gap and the 8th gap, described the second end has the 9th gap and the tenth gap, described first end is separated into the 4th first kind pin, the 3rd Equations of The Second Kind pin and the 4th Equations of The Second Kind pin, described the second end is separated into the four or three class pin, the three or four class pin and the four or four class pin, and described the 4th first kind pin is placed between described the 7th gap and described the 8th gap, described the four or three class pin is placed between described the 9th gap and described the tenth gap, described the 3rd Equations of The Second Kind pin and described the 4th Equations of The Second Kind pin are wide, described the three or four class pin and described the four or four class pin are wide,
Described strip sheet metal is rectangle, described the 7th gap and described the 8th gap are symmetrical along the symmetry axis of described rectangle long side direction, described the 9th gap and described the tenth gap are symmetrical along the symmetry axis of described rectangle long side direction, and described the 7th gap and described the 9th gap are symmetrical along the symmetry axis of described rectangle short side direction.
9. the vent diverter of printed circuit board (PCB) as claimed in claim 1, it is characterized in that, described first end has the 11 gap, described the second end has the 12 gap, described first end is separated into the 5th first kind pin and the 5th Equations of The Second Kind pin, and described the second end is separated into the five or three class pin and the five or four class pin; Described strip sheet metal is rectangle, and described the 11 gap and described the 12 gap are symmetrical along the symmetry axis of described rectangle short side direction;
Described the 11 gap and/or described the 12 gap adopt secondary opening, and opening is for the second time carried out in the bottom after opening for the first time, so that secondary flex point will appear in the corresponding gap after secondary opening.
10. the vent diverter of the printed circuit board (PCB) as described in claim 1 to 9 any one, is characterized in that, described strip sheet metal is copper-manganese sheet or constantan sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535796.6A CN103559968B (en) | 2013-10-31 | 2013-10-31 | Shunting element for printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535796.6A CN103559968B (en) | 2013-10-31 | 2013-10-31 | Shunting element for printed circuit board |
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| Publication Number | Publication Date |
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| CN103559968A true CN103559968A (en) | 2014-02-05 |
| CN103559968B CN103559968B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310535796.6A Active CN103559968B (en) | 2013-10-31 | 2013-10-31 | Shunting element for printed circuit board |
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| Country | Link |
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| CN (1) | CN103559968B (en) |
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| CN105097188A (en) * | 2014-05-13 | 2015-11-25 | 台达电子企业管理（上海）有限公司 | Inductor and converter with same |
| CN106251997A (en) * | 2016-08-31 | 2016-12-21 | 浙江朗科智能电气有限公司 | A kind of mounting structure of current sampling resistor |
| WO2017166698A1 (en) * | 2016-03-31 | 2017-10-05 | 乐视控股（北京）有限公司 | Connector |
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| Publication number | Publication date |
|---|---|
| CN103559968B (en) | 2017-01-11 |
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