CN105357897A - Method and structure for improving electric connecting efficiency of buzzer of electric thermometer - Google Patents
Method and structure for improving electric connecting efficiency of buzzer of electric thermometer Download PDFInfo
- Publication number
- CN105357897A CN105357897A CN201510690236.7A CN201510690236A CN105357897A CN 105357897 A CN105357897 A CN 105357897A CN 201510690236 A CN201510690236 A CN 201510690236A CN 105357897 A CN105357897 A CN 105357897A
- Authority
- CN
- China
- Prior art keywords
- piezo
- electrical connector
- wiring board
- perforation
- feeler
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3415—Surface mounted components on both sides of the substrate or combined with lead-in-hole components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a method and structure for improving the electric connecting efficiency of a buzzer plate of an electric thermometer. The front end of a circuit board and the buzzer are arranged one above the other in a staggered way, two bonding pads are arranged on the side, opposite to the buzzer, of the front end of the circuit board, a through hole is arranged at the front end of the circuit board. The structure is further provided with a first electric connector and a second electric connector, each of the first electric connector and the second electric connector is provided with a through hole and has elasticity, raised columns and an insert column are arranged beside the buzzer, and each of the first electric connector and the second electric connector is provided with a high contactor and a low contactor which are respectively in contact fit with two electrodes of the buzzer and the bonding pads. When in assembly, the two electric connectors respectively sleeve the raised columns, the low contactors of the two electric connecters are respectively in contact fit with the two electrodes of the buzzer, and then the circuit board is connected to the insert column in a plugged way so that the two bonding pads of the circuit board are in contact fit with the high contactors of the two electric connectors, thus finishing the electric connection. The invention has the advantages that welding step of leads is omitted and therefore the problem of lead break in a lead welding method can be avoided; the assembly method is simple.
Description
Technical field
The invention belongs to electrothermometer technical field, particularly relate to a kind of method and the structure that improve the electrified joint efficiency of electrothermometer piezo.
Background technology
In electrothermometer manufacture process, in piezo assembly process, piezo connects the general mode of wire bonds that adopts and connects, this connected mode complex procedures, as shown in Figure 1, to one end of two lead-in wires 1 be welded on two electrodes 3a, the 3b of piezo 2 in support 5, also to the other end of two lead-in wires 1 be welded on wiring board 4, and the outage gone between in assembling process is higher, add production cost and reduce production efficiency, secondly weld job can produce the production work environment of waste gas to workshop also has certain influence.
Summary of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of method and the structure that improve the electrified joint efficiency of electrothermometer piezo, the electrified syndeton of novel piezo and method have accomplished to optimize and improve to above problem, the mode that have employed contact is carried out assembling and is fixed, eliminate the operation of welding lead, avoid the lead-in wire disconnection problem in wire bonds mode, assembly method is simple, aligned position directly puts down, and improves production efficiency and production qualification rate.
In order to realize above-mentioned object, present invention employs following technical scheme:
Improve a method for the electrified joint efficiency of electrothermometer piezo, the front end of wiring board and piezo are crisscross arranged up and down, and two pads are set in this one side that circuit front edge of board is relative with piezo, perforation is set at circuit front edge of board; Also arrange and there is perforation respectively and there is first, second electrical connector flexible, and being used for the projection socket-connected with two electrical connectors and the inserting column that at least one coordinates with wiring board grafting other setting of piezo, first, second electrical connector has one high and one low two feelers coordinated with piezo electrode, contact pads respectively separately; During assembling, first two electrical connectors are placed on projection respectively, the low feeler of two electrical connectors coordinates with two electrode contacts of piezo separately, again wiring board is plugged on inserting column, now namely two pads of wiring board contact with the high feeler of two electrical connectors respectively and coordinate, and namely complete electrified connection.
As preferably, described first electrical connector has a substrate, and described perforation is arranged on substrate, and substrate has two bifurcateds, and a bifurcated is upturned and forms high feeler, and another bifurcated is bent downwardly and forms low feeler.Two bifurcateds of the first electrical connector stagger up and down and ensure certain elasticity, a wherein pad of high feeler contact wiring board, an electrode of low feeler contact piezo, substrate has perforation and coordinate projection location, after assembling wiring board, the first electrical connector is stressed, and the first electrical connector two bifurcated staggers up and down and has good elastic deformation energy to reach well to contact effect.
As preferably, described second electrical connector is a strip shape body, and it is through being bent to form one high and one low two feelers, and perforation is arranged on one end of the second electrical connector.Second electrical connector is through twice bending, bending part corresponding to low feeler place have employed elasticity Interference contact with piezo electrode and coordinates, another contact pads of bending part and wiring board corresponding to high feeler place also uses elasticity Interference contact and coordinates, make upper and lower two end in contact no-floats, serve good electric action.
As preferably, the other end and the support of the second electrical connector are that hook joint or buckle-type are connected.One end of second electrical connector has perforation and coordinates projection location, a convex wing is respectively extended about the other end of the second electrical connector, and correspondence has spacing draw-in groove on support, the second electrical connector other end snaps in spacing draw-in groove, and to be coordinated with spacing draw-in groove both sides hook joint by the convex wing and reach fixation, the spacing of the second electrical connector two ends can limit completely from can not producing displacement and drop on support.
The electrified syndeton of electrothermometer piezo, comprise support, be provided with piezo and wiring board in support, front end and the piezo of wiring board are crisscross arranged up and down, perforation is set at circuit front edge of board, and is provided with two pads in this one side that circuit front edge of board is relative with piezo; Also be provided with in support and there is perforation respectively and there is first, second electrical connector flexible, be provided with the projection for socket-connecting with two electrical connectors and inserting column that at least one coordinates with wiring board grafting piezo is other, first, second electrical connector has one high and one low two feelers coordinated with piezo electrode, contact pads respectively separately; Two electrical connectors are placed on projection by perforation respectively, wiring board is plugged on inserting column by perforation, two electrical connectors are arranged between wiring board and piezo, the low feeler of two electrical connectors coordinates with two electrode contacts of piezo separately, and the high feeler of two electrical connectors coordinates with two contact pads of wiring board respectively.
As preferably, described first electrical connector has a substrate, and described perforation is arranged on substrate, and substrate has two bifurcateds, and a bifurcated is upturned and forms high feeler, and another bifurcated is bent downwardly and forms low feeler.
As preferably, described second electrical connector is a strip shape body, and it is through being bent to form one high and one low two feelers, and perforation is arranged on one end of the second electrical connector.
As preferably, the other end and the support of the second electrical connector are that hook joint or buckle-type are connected.
As preferably, be provided with the abutment wall for preventing the first electrical connector from rocking on the projection side coordinated with the first electrical connector, after the first electrical connector coordinates with projection grafting, the side of the first electrical connector is by abutment wall backstop.First electrical connector is located by projection and keep to the side in side, and wall can limit the first electrical connector completely from not being shifted on support and dropping.
Compared with prior art, the invention has the beneficial effects as follows:
The mode that present invention employs contact is carried out assembling and is fixed, by arranging the electrical connector that two have one high and one low feeler separately, and circuit front edge of board and piezo just right this one side on print two pads, two electrical connectors are first placed during assembling, make two electrode contacts of low feeler and piezo, place wiring board again, two of wiring board pads are contacted with two high feelers respectively coordinate, make electrical connector produce elastic force deformation under the effect of the pressure simultaneously, make contact more tight, by such mode, make the operation eliminating welding lead, avoid the lead-in wire disconnection problem in wire bonds mode, assembly method is simple, aligned position directly puts down, improve production efficiency and production qualification rate.
Accompanying drawing explanation
Fig. 1 is the electrified syndeton schematic diagram of piezo and wiring board in prior art;
Fig. 2 is the explosive view of the electrified syndeton of piezo in the embodiment of the present invention;
Fig. 3 is the schematic diagrames of two electrical connectors when being seated;
Fig. 4 is the installation diagram of the electrified syndeton of piezo in embodiment;
Fig. 5 be wiring board and electrothermometer support disassembled form schematic diagram (embody wiring board down this one side structure);
Fig. 6 is the partial sectional view (embodying the connecting structure for electrical equipment of the first electrical connector and piezo, wiring board) of Fig. 4;
Fig. 7 is the A portion enlarged drawing of Fig. 6;
Fig. 8 is the partial sectional view (embodying the connecting structure for electrical equipment of the second electrical connector and piezo, wiring board) at another position of Fig. 4;
Fig. 9 is the A portion enlarged drawing of Fig. 8.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment: the electrified syndeton of electrothermometer piezo, as shown in Fig. 2 ~ 9, comprises support 1, piezo 2 and wiring board 3 is provided with in support 1, piezo 2 is rounded, and it is positive one negative that it has circular central electrode 4 and annular electrode 5, two electrodes one of outer shroud.
As shown in Figure 5, perforation 6 is set in wiring board 3 front end, and is provided with two pads 7a, 7b in this one side that wiring board 3 front end is relative with piezo 2.
Also be provided with in support 1 and there is perforation 6 respectively and there is flexible first, second electrical connector 8a, 8b, be provided with the projection 9 for socket-connecting with two electrical connectors and inserting column 10 that at least one coordinates with wiring board 3 grafting piezo 2 is other, and the projection 9 that two electrical connectors are socketed is interval side by side two, and first, second electrical connector 8a, 8b have one high and one low two feelers coordinated with piezo electrode, contact pads respectively separately; Front end and the piezo about 2 of wiring board 3 are crisscross arranged, and object coordinates to make pad contact with two electrical connectors.
Two electrical connectors 8a, 8b are placed on projection 9 by perforation respectively, wiring board 3 is also plugged on inserting column 10 by perforation 6, two electrical connectors 8a, 8b are arranged between wiring board 3 and piezo 2, the low feeler of two electrical connectors coordinates with two electrode contacts of piezo 2 separately, and the high feeler of two electrical connectors coordinates with two contact pads of wiring board 3 respectively.
Specifically, as shown in Fig. 2, Fig. 6, Fig. 7, described first electrical connector 8a has a substrate 11, described perforation 6 arranges on the substrate 11, and substrate 11 have two bifurcateds, 12, bifurcated be upturned formed high feeler 13a, another bifurcated be bent downwardly formed low feeler 13b; As shown in Figure 2 and Figure 3, at the other abutment wall 14 be provided with for preventing the first electrical connector 8a from rocking of the projection 9 coordinated with the first electrical connector 8a, after first electrical connector 8a coordinates with projection 9 grafting by perforation 6, the side 15 of the first electrical connector 8a is by abutment wall 14 backstop.
As shown in Fig. 2, Fig. 8, Fig. 9, described second electrical connector 8b is a strip shape body, and it is bent to form one high and one low two feelers 13a, 13b through twice, and it is across whole piezo 2, and perforation 6 is arranged on one end of the second electrical connector 8b; The other end of the second electrical connector 8b is connected for hook joint or buckle-type with support 1; Specifically, as shown in Figure 2 and Figure 3, one end of second electrical connector 8b has perforation 6 and coordinates projection 9 to locate, a convex wing 16 is respectively extended about the other end of the second electrical connector 8b, and correspondence has spacing draw-in groove 17 on support 1, the second electrical connector 8b other end snaps in spacing draw-in groove 17, and to be coordinated with spacing draw-in groove 17 both sides hook joint by the convex wing 16 and reach fixation, and the spacing of the second electrical connector 8b two ends can limit completely from can not producing displacement and drop on support.
Again furtherly, location-plate 18 is provided with on inserting column 10 side coordinated with wiring board 3 grafting, the gap 19 with location-plate 18 snap-fit engagement is had in wiring board 3 front end, when wiring board 3 coordinates with inserting column 10 grafting, location-plate 18 inserts in described gap 19, wiring board 3 is undertaken spacing by inserting column 10 and location-plate 18, makes state more stable.
During assembling, as shown in Figure 2 and Figure 3, first two electrical connectors 8a, 8b are placed on projection 9 respectively, as shown in Fig. 7,9, the low feeler 13b of two electrical connectors contacts coordinate with two electrodes of piezo and central electrode 4, annular electrode 5 separately, as shown in Figure 4, again wiring board 3 is plugged on inserting column 10, as shown in Fig. 7,9, now namely two pads 7a, 7b of wiring board 3 contact with the high feeler 13a of two electrical connectors respectively and coordinate, and namely complete electrified connection.
Above content described in this specification is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (10)
1. one kind is improved the method for the electrified joint efficiency of electrothermometer piezo, it is characterized in that: the front end of wiring board and piezo are crisscross arranged up and down, and two pads are set in this one side that circuit front edge of board is relative with piezo, at circuit front edge of board, perforation is set; Also arrange and there is perforation respectively and there is first, second electrical connector flexible, and being used for the projection socket-connected with two electrical connectors and the inserting column that at least one coordinates with wiring board grafting other setting of piezo, first, second electrical connector has one high and one low two feelers coordinated with piezo electrode, contact pads respectively separately; During assembling, first two electrical connectors are placed on projection respectively, the low feeler of two electrical connectors coordinates with two electrode contacts of piezo separately, again wiring board is plugged on inserting column, now namely two pads of wiring board contact with the high feeler of two electrical connectors respectively and coordinate, and namely complete electrified connection.
2. method according to claim 1, it is characterized in that: described first electrical connector has a substrate, and described perforation is arranged on substrate, and substrate has two bifurcateds, a bifurcated is upturned and forms high feeler, and another bifurcated is bent downwardly and forms low feeler.
3. method according to claim 1, is characterized in that: described second electrical connector is a strip shape body, and it is through being bent to form one high and one low two feelers, and perforation is arranged on one end of the second electrical connector.
4. method according to claim 3, is characterized in that: the other end and the support of the second electrical connector are that hook joint or buckle-type are connected.
5. the electrified syndeton of electrothermometer piezo, it is characterized in that: comprise support, piezo and wiring board is provided with in support, front end and the piezo of wiring board are crisscross arranged up and down, perforation is set at circuit front edge of board, and is provided with two pads in this one side that circuit front edge of board is relative with piezo; Also be provided with in support and there is perforation respectively and there is first, second electrical connector flexible, be provided with the projection for socket-connecting with two electrical connectors and inserting column that at least one coordinates with wiring board grafting piezo is other, first, second electrical connector has one high and one low two feelers coordinated with piezo electrode, contact pads respectively separately; Two electrical connectors are placed on projection by perforation respectively, wiring board is plugged on inserting column by perforation, two electrical connectors are arranged between wiring board and piezo, the low feeler of two electrical connectors coordinates with two electrode contacts of piezo separately, and the high feeler of two electrical connectors coordinates with two contact pads of wiring board respectively.
6. the electrified syndeton of electrothermometer piezo according to claim 5, it is characterized in that: described first electrical connector has a substrate, described perforation is arranged on substrate, and substrate has two bifurcateds, a bifurcated is upturned and forms high feeler, and another bifurcated is bent downwardly and forms low feeler.
7. the electrified syndeton of electrothermometer piezo according to claim 5, is characterized in that: described second electrical connector is a strip shape body, and it is through being bent to form one high and one low two feelers, and perforation is arranged on one end of the second electrical connector.
8. the electrified syndeton of electrothermometer piezo according to claim 7, is characterized in that: the other end and the support of the second electrical connector are that hook joint or buckle-type are connected.
9. the electrified syndeton of electrothermometer piezo according to claim 5, it is characterized in that: at the other abutment wall be provided with for preventing the first electrical connector from rocking of the projection coordinated with the first electrical connector, after first electrical connector coordinates with projection grafting, the side of the first electrical connector is by abutment wall backstop.
10. the electrified syndeton of electrothermometer piezo according to claim 5, it is characterized in that: be provided with location-plate on the inserting column side coordinated with wiring board grafting, the gap with location-plate snap-fit engagement is had at circuit front edge of board, when wiring board coordinates with inserting column grafting, location-plate inserts in described gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690236.7A CN105357897B (en) | 2015-10-17 | 2015-10-17 | A kind of method and structure for improving electronic thermometer piezo electrification joint efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690236.7A CN105357897B (en) | 2015-10-17 | 2015-10-17 | A kind of method and structure for improving electronic thermometer piezo electrification joint efficiency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105357897A true CN105357897A (en) | 2016-02-24 |
| CN105357897B CN105357897B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510690236.7A Active CN105357897B (en) | 2015-10-17 | 2015-10-17 | A kind of method and structure for improving electronic thermometer piezo electrification joint efficiency |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120040569A1 (en) * | 2010-08-16 | 2012-02-16 | Hon Hai Precision Industry Co., Ltd. | Electrical connector assembly with high signal density |
| CN102848179A (en) * | 2011-06-30 | 2013-01-02 | 常州铭赛机器人科技有限公司 | Buzzer placing mechanism |
| US20130237080A1 (en) * | 2012-03-08 | 2013-09-12 | Luxshare Precision Industry Co., Ltd. | Electrical Connector with Connecting Member for Improving Assembling Efficiency |
| CN204612813U (en) * | 2015-05-11 | 2015-09-02 | 舒建文 | A kind of buzzing thermometer |
-
2015
- 2015-10-17 CN CN201510690236.7A patent/CN105357897B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120040569A1 (en) * | 2010-08-16 | 2012-02-16 | Hon Hai Precision Industry Co., Ltd. | Electrical connector assembly with high signal density |
| CN102848179A (en) * | 2011-06-30 | 2013-01-02 | 常州铭赛机器人科技有限公司 | Buzzer placing mechanism |
| US20130237080A1 (en) * | 2012-03-08 | 2013-09-12 | Luxshare Precision Industry Co., Ltd. | Electrical Connector with Connecting Member for Improving Assembling Efficiency |
| CN204612813U (en) * | 2015-05-11 | 2015-09-02 | 舒建文 | A kind of buzzing thermometer |
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| Publication number | Publication date |
|---|---|
| CN105357897B (en) | 2018-01-12 |
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