CN218240171U - Single-phase smart electric meter liquid crystal support based on integral type leaded light post - Google Patents
Single-phase smart electric meter liquid crystal support based on integral type leaded light post Download PDFInfo
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- CN218240171U CN218240171U CN202123000599.3U CN202123000599U CN218240171U CN 218240171 U CN218240171 U CN 218240171U CN 202123000599 U CN202123000599 U CN 202123000599U CN 218240171 U CN218240171 U CN 218240171U
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Abstract
The utility model discloses a single-phase smart electric meter liquid crystal support based on integral type leaded light post, including liquid crystal support main part the liquid crystal support main part openly is equipped with the recess, the liquid crystal support main part back is equipped with the support column, be equipped with left inserted block in the support column left side, the upside is equipped with the inserted block, and the downside is equipped with down inserted block, all is equipped with the jack on the inserted block, the jack is used for the grafting welding needle; go up the inserted block front side and still be equipped with fixed inserted block fixed frame has been seted up on the fixed inserted block be equipped with slot and fixed buckle on the fixed frame, slot and fixed buckle can be dismantled and be connected with the leaded light post. The beneficial effects of the utility model are that: the modular design is adopted, so that the die sinking cost is reduced; the liquid crystal backlight plate has the advantages of good compatibility, high production efficiency and low product failure rate, and the four foot pads higher than the backlight plate are designed, so that the liquid crystal backlight plate can be ensured to be closely attached, and the damage caused by too large extrusion is prevented.
Description
Technical Field
The utility model relates to a smart electric meter field, especially a single-phase smart electric meter liquid crystal support based on integral type leaded light post.
Background
When a supplier is required to design an electric meter in the technical specification of the single-phase intelligent electric energy meter for power grid bidding, an LCD (liquid crystal display) and backlight plate, an LED (light emitting diode), an infrared transmitting diode and an infrared receiver are required to be adopted to realize the functions of electric meter data display and infrared communication.
Because the LCD and the backlight plate which are used for designing the single-phase alternating current intelligent electric energy meter on the market are mostly packaged by straight plug-in units, and the national grid technical specification restricts the positions of the LCD, the light-emitting LED and the infrared transceiver and belongs to the display communication interface of the electric meter. Therefore, when the liquid crystal bracket is opened, a plurality of manufacturers give priority to designing the integrated structure together with the residual red pulse lamp, the yellow alarm lamp, the infrared transmitting diode and the infrared receiver. The design has the advantages that the die sinking cost can be saved, and the defects that all electrical components need to be packaged by direct insertion, so that the number of direct insertion pads is too large, the production efficiency is reduced, and a plurality of constraints are set on the PCB circuit design.
In order to improve the production efficiency of single-phase alternating current intelligent electric energy meter, reduce artifical hand welding work load, also in order to reduce because of defective products phenomenon such as rosin joint, hourglass welding that manual welding leads to simultaneously, need improve the structure of current integral type liquid crystal support, on satisfying the design requirement basis, reduce wave-soldering and manual welding as far as.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome above technical defect, provide a single-phase smart electric meter liquid crystal support and welding method based on integral type leaded light post.
The utility model discloses a realize that the technical scheme who takes of its technical purpose is: the liquid crystal support comprises a liquid crystal support main body, wherein a groove is formed in the front of the liquid crystal support main body, a support column is arranged on the back of the liquid crystal support main body, a left insert block is arranged on the left side of the support column, an upper insert block is arranged on the upper side of the support column, a lower insert block is arranged on the lower side of the support column, and jacks are formed in the insert blocks and used for inserting welding pins;
go up the inserted block front side and still be equipped with fixed inserted block fixed frame has been seted up on the fixed inserted block be equipped with slot and fixed buckle on the fixed frame, slot and fixed buckle can be dismantled and be connected with the leaded light post.
Preferably, the groove is a groove with an upper-layer structure and a lower-layer structure, the lower-layer structure of the groove is used for installing a liquid crystal backlight plate, and the upper-layer structure of the groove is used for installing an LCD.
Preferably, the groove underlying structure is rectangular, and a chamfer is arranged on one side of the rectangle.
Preferably, the groove upper layer structure is a foot pad, and the foot pad is fixedly connected with the groove lower layer structure; the bottom of the foot pad is higher than the lower layer structure of the groove.
Preferably, the number of the support columns is four, the support columns are cylindrical, and the bottom of any one group of the support columns corresponding to the inclined direction is provided with a positioning column.
Preferably, the left insert block is provided with two jacks with the distance corresponding to the pin distance, and the upper insert block and the lower insert block are respectively provided with sixteen jacks with the distance corresponding to the pin distance.
Preferably, the diameters of the jacks of the left insert block, the upper insert block and the lower insert block are gradually reduced from top to bottom.
Preferably, the light guide column is an integrated light guide column, and the integrated light guide column is made of a transparent plastic material with high light transmittance.
Preferably, the fixing buckles are opposite in direction and made of elastic materials.
The utility model has the advantages that:
1. the modular design is adopted, and the light guide column can be disassembled, so that the mold opening cost is reduced;
2. the compatibility is good, and single-row or double-row liquid crystal application with different contact pin numbers can be met;
3. the application production efficiency is high, compared with the design of an integrated liquid crystal bracket, the novel liquid crystal bracket has fewer welding spots, the workload of manual welding is reduced, and the production efficiency of the ammeter is improved;
4. the failure rate of the applied product is low, the LED and the infrared transceiver matched with the new liquid crystal bracket are packaged by adopting a paster, machine pasting and high-temperature curing operation can be completed in a reflow soldering stage, and the risk of poor manual soldering is reduced;
5. the delivery failure rate of the application electric meter is low: the design of four callus on the sole 0.3mm higher than the board in a poor light can enough guarantee that the liquid crystal board in a poor light closely draws close to connect, prevents again that the extrusion is too big to cause the damage.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is a partially enlarged view of a groove structure;
fig. 3 is a rear perspective view of the present invention;
fig. 4 is a left side perspective view of the present invention;
fig. 5 is a bottom perspective view of the present invention.
Labeled as:
1. a liquid crystal support main body; 2. a groove; 3. a support pillar; 4. a left insert block; 5. an upper insert block; 6. a lower insert block;
7. a jack; 8. fixing the insert block; 9. a fixing frame; 10. inserting slots; 11. fixing the buckle; 12. a light guide pillar;
13. a positioning column; 21. a groove lower layer structure; 22. a groove upper layer structure; 23. and (6) chamfering.
Detailed Description
The present invention will be further explained with reference to the embodiments of the drawings.
Example one
As shown in fig. 1-5: the liquid crystal support comprises a liquid crystal support main body 1, wherein a groove 2 is formed in the front of the liquid crystal support main body 1, a support column 3 is arranged on the back of the liquid crystal support main body 1, a left insert block 4 is arranged on the left side of the support column 3, an upper insert block 5 is arranged on the upper side of the support column, a lower insert block 6 is arranged on the lower side of the support column 3, insertion holes 7 are formed in the insert blocks, and the insertion holes 7 are used for inserting welding pins;
go up 5 front sides of inserted block and still be equipped with fixed inserted block 8 fixed frame 9 has been seted up on the fixed inserted block 8 be equipped with slot 10 and fixed buckle 11 on the fixed frame 9, slot 10 and fixed buckle 11 can be dismantled and be connected with leaded light post 12.
The groove 2 is a groove with an upper layer structure and a lower layer structure, the groove lower layer structure 21 is used for installing a liquid crystal backlight plate, and the groove upper layer structure 22 is used for installing an LCD.
The groove understructure 21 is rectangular, and a chamfer 23 is arranged on the left side of the rectangle in the embodiment, and the chamfer includes two chamfers, and the angle is 135 degrees.
The groove upper-layer structure 22 is a foot pad, and the foot pad 22 is fixedly connected with the groove lower-layer structure 21; the callus on the sole 22 bottom is higher than recess underlying structure 21, in this embodiment callus on the sole 22 is the right angle callus on the sole to callus on the sole 22 bottom is higher than recess underlying structure 0.3mm.
The support columns 3 comprise four support columns, are cylindrical in shape, and are provided with positioning columns 13 at the bottoms of any group of support columns which correspond to one another in an inclined mode.
The left insert block 4 is provided with two jacks 7 with the space corresponding to the pin space, and the upper insert block 5 and the lower insert block 6 are respectively provided with sixteen jacks with the space corresponding to the pin space. In this embodiment, the left insert block 4 is provided with two insertion holes 7 with a distance of 2.54mm, and the upper insert block 5 and the lower insert block 6 are respectively provided with sixteen insertion holes 7 with a distance of 2.54 mm.
The diameters of the jacks 7 of the left insert block 4, the upper insert block 5 and the lower insert block 6 are gradually reduced from top to bottom.
The light guide column 12 is an integrated light guide column which is made of transparent plastic with high light transmittance.
The fixed buckle 11 is opposite in direction and made of elastic materials.
The utility model discloses a theory of operation and working process include following step:
A. inserting a positioning column 13 at the bottom of a liquid crystal support supporting column 3 into a PCB fixing hole of the ammeter;
B. installing a liquid crystal backlight plate in the rectangular groove lower layer structure 21, and inserting a welding pin of the liquid crystal backlight plate into a corresponding through hole welding pad of the PCB of the electric meter;
C. mounting the LCD display in the foot pads of the groove superstructure 22;
D. sequentially penetrating all welding pins of the LCD through the jacks 7 on the plug blocks and through hole welding pads corresponding to the PCB of the electric meter;
E. inserting the integrated light guide column 12 into the fixing frame 9 of the fixed insertion block 8 on the liquid crystal bracket from top to bottom;
F. the integrated light guide column 12 is pushed downwards along the slot 10 and the fixing buckle 11 to a proper position;
G. the light guide column 12 respectively corresponds to the red-yellow light-emitting LED, the infrared light-emitting diode and the infrared receiver of the patch on the PCB of the ammeter, and plays a role in guiding light;
H. the two fixing buckles 11 are broken off by hands to complete fixing;
I. and welding and fixing the welding pin and the through hole welding plate.
Specifically, the method comprises the following steps:
single-phase smart electric meter liquid crystal disply support based on integral type leaded light post comprises liquid crystal support main part 1, liquid crystal backlight and the integral type leaded light post 12 triplex that has high luminousness that adopt ABS + PC110 material. The liquid crystal bracket main body 1 supports an LCD and a liquid crystal backlight plate and is matched with a PCB to complete assembly and fixation.
Liquid crystal support main part 1 openly is equipped with the recess 2 of two-layer structure, wherein recess substructure 21 is used for the installation of liquid crystal board in a poor light, recess superstructure 22 is used for the installation of LCD liquid crystal display, recess substructure 21 outward appearance is unanimous with the liquid crystal board in a poor light, present the rectangle shape of leading two 135 chamfers 23 on the left side, the size is just in time matched liquid crystal board in a poor light, recess superstructure 22 is equipped with four fixed right angle callus on the sole that prevent LCD liquid crystal display and rock, four fixed right angle callus on the sole bottoms are higher than the board in a poor light 0.3mm in a poor light of liquid crystal, it is built in the air to ensure to have certain clearance between LCD liquid crystal display and the liquid crystal board in a poor light, prevent because excessive extrusion between LCD liquid crystal display and the liquid crystal board in a poor light, cause LCD or liquid crystal board in a poor light to damage.
The back of the liquid crystal support main body 1 is provided with four cylindrical support columns 3, wherein two support columns 3 at the upper left and the lower right are also provided with positioning columns 13 for matching and fixing the liquid crystal support main body 1 and a PCB fixing pad, the left side of the support column at the back of the liquid crystal support main body 1 is provided with a left insert block 4, the upper side of the support column is provided with an upper insert block 5, the lower side of the support column is provided with a lower insert block 6, the left insert block 4 is provided with two insertion holes 7 with the distance of 2.54mm, and the upper insert block 5 and the lower insert block 6 are respectively provided with sixteen insertion holes 7 with the distance of 2.54 mm; the diameters of the jacks 7 of the left insert block 4, the upper insert block 5 and the lower insert block 6 are gradually reduced from top to bottom, so that the welding pins can be conveniently inserted.
When the liquid crystal display device is installed and used, the liquid crystal support main body 1 and the liquid crystal backlight plate are installed firstly, the fixing columns 13 of the liquid crystal support main body 1 are inserted into the PCB fixing holes, the welding pins of the liquid crystal backlight plate are inserted into the through hole welding pads corresponding to the PCB, then the liquid crystal display device is installed, and all the welding pins of all the liquid crystal display device sequentially penetrate through the welding pin insertion holes and the PCB through hole welding pads.
Liquid crystal support main part 1 still is equipped with the fixed inserted block 8 of integral type light guide column, and it has fixed frame 9 and two fixed buckles 11 that have the elastic construction direction relatively to open on the fixed inserted block 8, and integral type light guide column 12 comprises the transparent plastic of high luminousness, during the use with integral type light guide column 12 from last down insert liquid crystal support main part 1's the fixed frame 9 of fixed inserted block 8 to break two fixed buckles 11 with the hands off with the fingers and thumb and accomplish fixedly.
The utility model has the advantages that:
1. the novel liquid crystal support abandons the integrated structure design, adopts the modular design concept, and is composed of a detachable light guide column 12 and a liquid crystal support main body 1. According to different requirements, only the light guide column 12 needs to be customized and modified, and the mold opening cost is reduced.
2. The novel liquid crystal support main body 1 adopts double-row liquid crystal pin hole positions with 2.54mm spacing and 2 × 16P, reserves enough pin hole positions, can be applied to the condition of single-row or double-row pin liquid crystal with the same 2.54mm spacing pin number smaller than 16 pins, and increases the compatibility of the use scene of the liquid crystal support.
3. Considering between new liquid crystal support and the board in a poor light that there is the condition that excessive extrusion leads to liquid crystal panel or board in a poor light to damage, so designed four callus on the sole that are higher than the board in a poor light 0.3mm, prevented doing the mechanical properties spring hammer test or transportation installation process, because excessively extrude between liquid crystal and the board in a poor light and lead to both sides damage condition.
4. Compared with the traditional integrated liquid crystal support design, the novel liquid crystal support not only meets the requirements of relevant display and infrared communication functions of a single-phase electric meter, but also takes the production process requirements into consideration, adopts corresponding patch components to replace direct-insertion components, greatly reduces the welding workload of workshop staff on the production flow, reduces the welding leakage condition existing in the manual welding process, and improves the production efficiency of the alternating-current single-phase intelligent electric energy meter assembly line.
Claims (9)
1. Single-phase smart electric meter liquid crystal disply support based on integral type leaded light post, including liquid crystal disply support main part, its characterized in that: the front side of the liquid crystal support main body is provided with a groove, the back side of the liquid crystal support main body is provided with a support column, the left side of the support column is provided with a left insert block, the upper side of the support column is provided with an upper insert block, the lower side of the support column is provided with a lower insert block, the insert blocks are provided with jacks, and the jacks are used for inserting welding pins;
go up the inserted block front side and still be equipped with fixed inserted block fixed frame has been seted up on the fixed inserted block be equipped with slot and fixed buckle on the fixed frame, slot and fixed buckle can be dismantled and be connected with the leaded light post.
2. The single-phase smart meter liquid crystal support based on the integrated light guide column as claimed in claim 1, wherein: the groove is a groove with an upper layer structure and a lower layer structure, the lower layer structure of the groove is used for mounting a liquid crystal backlight plate, and the upper layer structure of the groove is used for mounting an LCD.
3. The single-phase smart meter liquid crystal support based on the integrated light guide pole as claimed in claim 2, wherein: the lower layer structure of the groove is rectangular, and a chamfer is arranged on one side of the rectangle.
4. The single-phase smart meter liquid crystal support based on integrated light guide column of claim 3, wherein: the upper layer structure of the groove is a foot pad, and the foot pad is fixedly connected with the lower layer structure of the groove; the bottom of the foot pad is higher than the lower layer structure of the groove.
5. The single-phase smart meter liquid crystal support based on the integrated light guide column as claimed in claim 1, wherein: the support column includes four, and the shape is cylindric to arbitrary a set of slant corresponds the support column bottom and is equipped with the reference column.
6. The single-phase smart meter liquid crystal support based on integrated light guide column of claim 1, wherein: the left insert block is provided with two jacks with the intervals corresponding to the pin intervals, and the upper insert block and the lower insert block are respectively provided with sixteen jacks with the intervals corresponding to the pin intervals.
7. The single-phase smart meter liquid crystal support based on the integrated light guide pole as claimed in claim 6, wherein: the diameters of the jacks of the left insert block, the upper insert block and the lower insert block are gradually reduced from top to bottom.
8. The single-phase smart meter liquid crystal support based on the integrated light guide column as claimed in claim 1, wherein: the light guide column is an integrated light guide column which is made of transparent plastic with high light transmittance.
9. The single-phase smart meter liquid crystal support based on the integrated light guide column as claimed in claim 1, wherein: the fixed buckle is opposite in direction and made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000599.3U CN218240171U (en) | 2021-12-02 | 2021-12-02 | Single-phase smart electric meter liquid crystal support based on integral type leaded light post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123000599.3U CN218240171U (en) | 2021-12-02 | 2021-12-02 | Single-phase smart electric meter liquid crystal support based on integral type leaded light post |
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| Publication Number | Publication Date |
|---|---|
| CN218240171U true CN218240171U (en) | 2023-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137271A (en) * | 2021-12-02 | 2022-03-04 | 青岛乾程科技股份有限公司 | Single-phase intelligent electric meter liquid crystal support based on integrated light guide column and use method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137271A (en) * | 2021-12-02 | 2022-03-04 | 青岛乾程科技股份有限公司 | Single-phase intelligent electric meter liquid crystal support based on integrated light guide column and use method |
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