CN104034930A - Connection method of printed circuit board and terminal base, functional terminals and electric energy meter - Google Patents
Connection method of printed circuit board and terminal base, functional terminals and electric energy meter Download PDFInfo
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- CN104034930A CN104034930A CN201410237314.3A CN201410237314A CN104034930A CN 104034930 A CN104034930 A CN 104034930A CN 201410237314 A CN201410237314 A CN 201410237314A CN 104034930 A CN104034930 A CN 104034930A
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- terminal
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Abstract
The invention discloses a connection method of printed circuit board and terminal base, functional terminals and an electric energy meter. Contact pins inserted into insertion holes at the contacts on the printed circuit board and welded with the contacts are vertically arranged on the matching surface of the main body of each functional terminal, and the contact pins are positioned at the internal connecting terminal and fixed or integrally arranged on the main body; when in assembly of the electric energy meter, after the functional terminals are assembled on the terminal grooves in the terminal base, the contact pins of the functional terminals are positioned at the internal connecting terminal of the main body and can be matched with the insertion holes in the printed circuit board in an inserting manner, such that the printed circuit board is directly connected onto the terminal base through the functional terminals after the contact pins on the functional terminals are inserted into the insertion holes in the printed circuit board and welded with the same, and thereby the technology required for connecting the printed circuit board and the terminal base is simplified, and assembly efficiency of the electric energy meter is improved.
Description
Technical field
The present invention relates to electric energy meter mounting technology field, relate in particular to the printed circuit board of employing in a kind of electric energy meter assembling and the method for attachment of terminal base, relate to function terminal, the electric energy meter of this method of attachment of special implementing simultaneously.
Background technology
At present, along with the widespread use of electric energy meter, the function of electric energy meter is also more and more, from strength to strength, existing electric energy meter as shown in Figures 1 to 4, comprise in the table terminal base 101 of position, the end and the printed circuit board 104 in watchcase, on terminal base 101, be fixed with function terminal 103, function terminal 103 is connected by old-fashioned cord 102 conductions with printed circuit board 104, so that the contact on printed circuit board 104 causes on function terminal 103 by cord 102.One end that cord 102 is connected with the contact of printed circuit board 104 is provided with the joint 1021 of the needle-like for being inserted into welding hole reserved on printed circuit board 104, and joint 1021 inserts welding after welding hole and realizes being electrically connected of cord 102 and printed circuit board 104 contacts; The other end of cord 102 connects wired nose 1023 by heat-shrink tube 1022, simultaneously the battery core of cord 102 separates and passes heat-shrink tube 1022 and weld on online nose 1023 from insulation sleeve, line nose 1023 is connected electrically in by screw on the terminals of function terminal 103, to realize being electrically connected of cord 102 and function terminal 103.Function terminal 103 is block metalwork, its two ends be respectively equipped be connected with line nose 1023 screws in connect end 1031 threaded holes and the web member that is connected by screw is fixed on external connection end 1032 threaded holes on terminal base 101.In the time carrying out the connection of printed circuit board 104 and terminal base 101, first copper bar is cut into needed geomery, then boring, tapping and make function terminal 103, wire is cut into needed length, line skin is removed at two ends again, then tin sticky and form cord 102, got up in one end of cord 102 and line nose 1023 use tin weldings, and near solder joint, overlap heat-shrink tube 1022, the other end and again welding circuit board, when assembling, being screwed line nose 1023 is connected function terminal 103 with circuit board, therefore function terminal 103 is in carrying out, when outer end wiring, all need to be connected by screw realization, and along with function terminal 103 quantity required on electric energy meter are more and more, the assembling mode that is connected printed circuit board 104 and terminal base 101 by this function terminal 103 with flexible circuit conductor will be many because of its duplication of labour, the shortcomings such as manual working is many will cause the efficiency of assembling of whole electric energy meter low, and the hand assembled that cord 102 connects on end 1031 threaded holes in the contact of printed circuit board 104 and function terminal 103 will make whole electric energy meter assembly precision reduce, also making to assemble required human cost increases, the competitiveness of product in market declines.
Summary of the invention
The object of this invention is to provide a kind of method of attachment of the printed circuit board and the terminal base that improve electric energy meter efficiency of assembling, also provide simultaneously and be exclusively used in function terminal, the electric energy meter of implementing this method of attachment.
In order to realize above object, in the present invention, the technical scheme of the method for attachment of printed circuit board and terminal base is as follows:
The method of attachment of printed circuit board and terminal base, comprise the following steps: step 1, function terminal is fixed in terminal groove position corresponding on terminal base, described function terminal comprises the block main body being assemblied in terminal groove position, main body is mating surface with notch terminal groove position towards identical side, is provided with by web member is fixed on external connection end fixed sturcture on terminal base, erects fixing or be wholely set the contact pin in main body in the interior end position place that connects on the mating surface of main body in external connection end position; Step 2, is assemblied in the jack sleeve at contact place corresponding with function terminal terminal groove of living in position on printed circuit board on the contact pin of function terminal; Step 3, is welded on contact pin on the contact of printed circuit board.
In step 1, on terminal base, in all terminal grooves position, all assemble described function terminal; In step 2, the contact pin corresponding assembling one by one of all jacks and each function terminal on printed circuit board.
In step 3, each contact pin is welded on the contact of printed circuit board by automatic tin welding machine.
The mode of contact pin high pressure spot welding by crimping time is fixed in main body.
In the present invention, the technical scheme of function terminal is as follows:
Function terminal, comprise the block main body of the terminal groove position for being assemblied in terminal base, main body for exposing from the notch of terminal groove position and being mating surface with the notch of terminal groove position towards identical side, in main body, have respectively in the relative both sides of mating surface for being fixed on the external connection end on terminal base by web member and connecing end in being electrically connected with printed circuit board, on described mating surface, erect and be useful in the jack that is inserted into printed circuit board upper contact place and be welded on the contact pin on contact, contact pin is held and is fixed or be wholely set in main body in interior connecing.
Contact pin is fixed in main body by welded structure.
Contact pin is copper pin.
In the present invention, the technical scheme of electric energy meter is as follows:
Electric energy meter, comprise terminal base, function terminal and printed circuit board, on printed circuit board, be provided with in contact place the jack being electrically connected with function terminal, terminal base is provided with the terminal groove position packing into for function terminal, function terminal comprises the block main body in the terminal groove position that is assemblied in terminal base, the notch from terminal groove position of main body exposes and is mating surface with the notch of terminal groove position towards identical side, in main body in the relative both sides of mating surface be respectively the external connection end being fixed on by web member on terminal base and be electrically connected with printed circuit board in connect end, on described mating surface, erect and be inserted in described jack and be welded on the contact pin on contact, contact pin is held and is fixed or be wholely set in main body in interior connecing.
Terminal groove position has two above and is intervally arranged, and is all equipped with described function terminal in all terminal grooves position.
On terminal groove position, in main body, connecing the location of turning in being provided with at end notch place, residing one end turns edge, location turns edge block on mating surface, and the turn edge side of mating surface dorsad, location is another lateral plates supporting plane concordant with terminal base that side plate face for being supported on printed circuit board makes printed circuit board.
In the present invention, on the main body mating surface of function terminal, erect in the jack that is inserted into printed circuit board upper contact place and be welded on the contact pin on contact, contact pin is held and is fixed or be wholely set in main body in interior connecing, in the time carrying out the assembling of electric energy meter, function terminal is being assemblied in behind the terminal groove position on terminal base, the contact pin of function terminal will connect end in main body, and can coordinate by sleeve corresponding to the jack on printed circuit board, like this after the contact pin welding that the jack sleeve on printed circuit board are assemblied on function terminal, printed circuit board will directly be connected on terminal base by function connecting terminals, between middle printed circuit board and function terminal, also need compared to existing technology the structure connecting with cord, thisly directly realize by contact pin the scheme that printed circuit board is connected with function terminal and will save the wiring operation of cord, line nose is connected operation etc. with the screw of function terminal, thereby simplify printed circuit board and be connected required technique with terminal base, improve the efficiency of assembling of electric energy meter.
Brief description of the drawings
Fig. 1 is the structural representation of electric energy meter in prior art;
Fig. 2 is the structural representation of cord in Fig. 1;
Fig. 3 is the structural representation of function terminal in Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of the embodiment of electric energy meter of the present invention;
Fig. 6 is the assembly structure schematic diagram of function terminal on terminal base in Fig. 5;
Fig. 7 is the structural representation of function terminal in Fig. 6.
Embodiment
The embodiment of electric energy meter in the present invention: as shown in Figures 5 to 7, this electric energy meter comprises terminal base 201, function terminal 202 and printed circuit board 203, and printed circuit board 203 is directly connected on terminal base 201 by function terminal 202.The front side of printed circuit board 203 is provided with jack in contact place, and on the end face of terminal base 201, is provided with the notch corresponding with jack terminal groove position upward in rearward position place, and terminal groove position and jack are intervally arranged at left and right directions respectively.In each terminal groove position, be equipped with identical function terminal 202, the block main body 2021 of extending before and after function terminal 202 comprises, the profile of this main body 2021 is consistent with the profile of function terminal 202 in prior art, the upper side of main body 2021 is the planar mating surface of level 2022, in main body 2021 in the both sides, front and back of mating surface 2022 have respectively the external connection end 2023 being fixed on by web member in terminal groove position and be electrically connected with printed circuit board 203 in connect end 2024, and offer in external connection end 2023 places the threaded hole being connected with web member screw on mating surface 2022, erect in interior end 2024 places that connect the contact pin 2026 being welded in main body 2021, contact pin 2026 is copper pins, and contact pin 2026 can insert in the jack of the contact place of printed circuit board 203 rear sides offering and be welded on contact, and being electrically connected of practical function terminal 202 and printed circuit board 203.
Terminal groove position be divided into the water jacket section at external connection end 2023 places of main body 2021 and main body 2021 in connect the inside groove section at end 2024 places.External connection end 2023 fixed sturctures that the main body 2021 of function terminal 202 forms by threaded hole are fixed in water jacket section by web member.The notch place of inside groove section is provided with from two side channels and turns edge along the location of turnover in opposite directions, location turns edge block above mating surface 2022, to stop printed circuit board 203 directly to contact with function terminal 202, and the opposite side medium position place turning edge in two location is provided with the recess of dodging of avoiding contact pin 2026, two dodge the opposing depression of recess; The end face that turns edge of location is the upper face supporting plane concordant with the end face of terminal base 201 that the lower face that is supported on printed circuit board 203 makes printed circuit board 203.
In the time carrying out the connection of printed circuit board 203 and terminal base 201 in this electric energy meter, can implement as follows:
Step 1, in the main body 2021 of function terminal 202 by crimping in the mode fixing plug pin 2026 of high pressure spot welding, and all assemble described function terminal 202 in each terminal groove position on terminal base 201;
Step 2, by the jack at all contacts place corresponding with function terminal 202 terminal groove of living in position on printed circuit board 203 one to one sleeve be assemblied on the contact pin 2026 of function terminal 202;
Step 3, each contact pin 2026 is welded on the contact of printed circuit board 203 by automatic tin welding machine.
In the present embodiment, electric energy meter is compared with electric energy meter in prior art, first by terminal base 201 and the amendment of table bottom die, the upper face of the upper plane of terminal base 201 and printed circuit board 203, in same level, is ensured in printed circuit board 203 installation processes and table end keeping parallelism; Next has revised printed circuit board 203, printed circuit board 203 is extended to the top of terminal base 201, and its installation that can not affect table cover fastens, and printed circuit board 203 is stayed to welding hole (being jack) in contact pin 2026 corresponding positions of function terminal 202; Be exactly finally the structure of modify feature terminal 202 and the connection scheme problem that solves function terminal 202 and contact pin 2026, realize being connected between copper pin and function terminal 202 by the technique of high pressure spot welding.At the assembling stage that becomes table, automatic tin welding machine welds with high efficiency, and solder joint is evenly without solder skip, wrong weldering phenomenon, perfectly solved original weldering cord, bonding wire nose then with screw by wire and the extremely low problem of function terminal 202 joint efficiencies.
In the present embodiment, the use of function terminal 202 has the following advantages: improved production efficiency raising, because bond pad locations is fixed, and the device of welding there will not be random swing in operating process, so can realize automated production, when significantly enhancing productivity, solder skip, the inhomogeneous problem of solder joint are avoided; Improve connection reliability, stopped in lead-in wire scheme, in spot welding wire process, the wire core hidden danger of quality that cannot find that rupture, soldering copper post obviously improves than welding wire quality; Mistake proofing improves, and in printed board, jack is corresponding one by one with contact pin 2026 on function terminal 202, stop to occur in bonding wire scheme wire bonding instead, weld wrong situation; Withstand voltage properties improves, thinner contact pin 2026 make adjacent two function terminals 202 in the creepage distance that connects between the contact point structure of end on 2024 increase, stopped the inadequate problem of creepage distance between lead-in wire scheme center line nose; The reduction of cost, reduced the use amount of copper flexible cord, copper cash nose, reduced the operation of section copper cash, bonding wire nose, reduced the screw that crimping is used, and reduced line ball nose operation.
In the above-described embodiments, contact pin is welded on the mating surface of main body, in other embodiments, the modes such as contact pin also can be threaded connection, riveted joint, bolt connection are fixed in main body, or contact pin is directly wholely set in main body, contact pin and main body adopt integrated mode to process.
In the above-described embodiments, in all terminal grooves position, all assemble identical function terminal, in other embodiments, the function terminal assembling in each terminal groove position also can be different, be in part terminal groove position, to assemble the function terminal described in above-described embodiment, and in all the other terminal groove positions, assemble function terminal in prior art, although this kind of assembling mode can not be removed the application of cord in electric energy meter completely, be relatively applicable to printed circuit board local for extending to the situation on terminal base.
From above other embodiment, in the present invention, printed circuit board also can be connected by the following method with terminal base: step 1, function terminal is fixed in terminal groove position corresponding on terminal base, described function terminal comprises the block main body being assemblied in terminal groove position, main body is mating surface with notch terminal groove position towards identical side, is provided with by web member is fixed on external connection end fixed sturcture on terminal base, erects fixing or be wholely set the contact pin in main body in the interior end position place that connects on the mating surface of main body in external connection end position; Step 2, is assemblied in the jack sleeve at contact place corresponding with function terminal terminal groove of living in position on printed circuit board on the contact pin of function terminal; Step 3, is welded on contact pin on the contact of printed circuit board.
The embodiment of function terminal in the present invention: in the present embodiment, the structure of function terminal is identical with the structure of function terminal in above-described embodiment, therefore repeats no more.
The embodiment of the method for attachment of printed circuit board and terminal base in the present invention: the step that in the present embodiment, the method for attachment of printed circuit board and terminal base comprises is identical with the step that the method for attachment of printed circuit board in above-described embodiment and terminal base comprises, and therefore repeats no more.
Claims (10)
1. the method for attachment of printed circuit board and terminal base, it is characterized in that, comprise the following steps: step 1, function terminal is fixed in terminal groove position corresponding on terminal base, described function terminal comprises the block main body being assemblied in terminal groove position, main body is mating surface with notch terminal groove position towards identical side, is provided with by web member is fixed on external connection end fixed sturcture on terminal base, erects fixing or be wholely set the contact pin in main body in the interior end position place that connects on the mating surface of main body in external connection end position; Step 2, is assemblied in the jack sleeve at contact place corresponding with function terminal terminal groove of living in position on printed circuit board on the contact pin of function terminal; Step 3, is welded on contact pin on the contact of printed circuit board.
2. the method for attachment of printed circuit board according to claim 1 and terminal base, is characterized in that, in step 1, all assembles described function terminal on terminal base in all terminal grooves position; In step 2, the contact pin corresponding assembling one by one of all jacks and each function terminal on printed circuit board.
3. the method for attachment of printed circuit board according to claim 2 and terminal base, is characterized in that, in step 3, each contact pin is welded on the contact of printed circuit board by automatic tin welding machine.
4. according to the printed circuit board described in claim 1 or 2 or 3 and the method for attachment of terminal base, it is characterized in that, the mode of contact pin high pressure spot welding by crimping time is fixed in main body.
5. function terminal, comprise the block main body of the terminal groove position for being assemblied in terminal base, main body for exposing from the notch of terminal groove position and being mating surface with the notch of terminal groove position towards identical side, in main body, have respectively in the relative both sides of mating surface for being fixed on the external connection end on terminal base by web member and connecing end in being electrically connected with printed circuit board, it is characterized in that, on described mating surface, erect and be useful in the jack that is inserted into printed circuit board upper contact place and be welded on the contact pin on contact, contact pin is held and is fixed or be wholely set in main body in interior connecing.
6. function terminal according to claim 5, is characterized in that, contact pin is fixed in main body by welded structure.
7. function terminal according to claim 5, is characterized in that, contact pin is copper pin.
8. electric energy meter, comprise terminal base, function terminal and printed circuit board, on printed circuit board, be provided with in contact place the jack being electrically connected with function terminal, terminal base is provided with the terminal groove position packing into for function terminal, function terminal comprises the block main body in the terminal groove position that is assemblied in terminal base, the notch from terminal groove position of main body exposes and is mating surface with the notch of terminal groove position towards identical side, in main body in the relative both sides of mating surface be respectively the external connection end being fixed on by web member on terminal base and be electrically connected with printed circuit board in connect end, it is characterized in that, on described mating surface, erect and be inserted in described jack and be welded on the contact pin on contact, contact pin is held and is fixed or be wholely set in main body in interior connecing.
9. electric energy meter according to claim 8, is characterized in that, terminal groove position has two above and is intervally arranged, and is all equipped with described function terminal in all terminal grooves position.
10. electric energy meter according to claim 8 or claim 9, it is characterized in that, on terminal groove position, in main body, connecing the location of turning in being provided with at end notch place, residing one end turns edge, location turns edge block on mating surface, and the turn edge side of mating surface dorsad, location is another lateral plates supporting plane concordant with terminal base that side plate face for being supported on printed circuit board makes printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237314.3A CN104034930A (en) | 2014-05-30 | 2014-05-30 | Connection method of printed circuit board and terminal base, functional terminals and electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237314.3A CN104034930A (en) | 2014-05-30 | 2014-05-30 | Connection method of printed circuit board and terminal base, functional terminals and electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN104034930A true CN104034930A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410237314.3A Pending CN104034930A (en) | 2014-05-30 | 2014-05-30 | Connection method of printed circuit board and terminal base, functional terminals and electric energy meter |
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| CN (1) | CN104034930A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548630A (en) * | 2015-12-21 | 2016-05-04 | 威胜集团有限公司 | Electric energy meter part suitable for automatic production and assembly |
| WO2018072674A1 (en) * | 2016-10-17 | 2018-04-26 | 伊顿公司 | Terminal and electrical connection device and assembly comprising same |
| CN112234370A (en) * | 2020-09-29 | 2021-01-15 | 中国航空工业集团公司雷华电子技术研究所 | Ultrathin high-reliability tile assembly framework and assembling method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201852885U (en) * | 2010-12-01 | 2011-06-01 | 威胜集团有限公司 | Electronic type electric energy meter |
| CN201926683U (en) * | 2010-12-29 | 2011-08-10 | 威胜集团有限公司 | Three-phase multifunctional electric energy meter |
| CN203909110U (en) * | 2014-05-30 | 2014-10-29 | 国家电网公司 | Electric energy meter and function terminal thereof |
-
2014
- 2014-05-30 CN CN201410237314.3A patent/CN104034930A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201852885U (en) * | 2010-12-01 | 2011-06-01 | 威胜集团有限公司 | Electronic type electric energy meter |
| CN201926683U (en) * | 2010-12-29 | 2011-08-10 | 威胜集团有限公司 | Three-phase multifunctional electric energy meter |
| CN203909110U (en) * | 2014-05-30 | 2014-10-29 | 国家电网公司 | Electric energy meter and function terminal thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548630A (en) * | 2015-12-21 | 2016-05-04 | 威胜集团有限公司 | Electric energy meter part suitable for automatic production and assembly |
| WO2018072674A1 (en) * | 2016-10-17 | 2018-04-26 | 伊顿公司 | Terminal and electrical connection device and assembly comprising same |
| CN112234370A (en) * | 2020-09-29 | 2021-01-15 | 中国航空工业集团公司雷华电子技术研究所 | Ultrathin high-reliability tile assembly framework and assembling method thereof |
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Application publication date: 20140910 |