CN202757970U - Electric energy meter - Google Patents
Electric energy meter Download PDFInfo
- Publication number
- CN202757970U CN202757970U CN 201220368900 CN201220368900U CN202757970U CN 202757970 U CN202757970 U CN 202757970U CN 201220368900 CN201220368900 CN 201220368900 CN 201220368900 U CN201220368900 U CN 201220368900U CN 202757970 U CN202757970 U CN 202757970U
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- Prior art keywords
- energy meter
- electric energy
- liquid crystal
- crystal display
- display screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides an electric energy meter, comprising a PCB and a liquid crystal display screen electrically connected to the PCB. The PCB possesses first welding holes; the liquid crystal display screen possesses pins corresponding with the first welding holes. The electric energy meter further possesses a liquid crystal display screen rack arranged on the PCB to fix the liquid crystal display screen; the liquid crystal display screen rack possesses positioning columns corresponding with the first welding holes; the positioning columns are provided with taper guiding through holes corresponding with the first welding holes; the taper guiding through holes open to the liquid crystal display screen; the pins of liquid crystal display screen can traverse the taper guiding through holes to insert into the first welding holes. The liquid crystal display screen rack can raise assembling efficiency of the liquid crystal display screen by the electric energy meter, increase production power of an electric energy meter production line and reduce production costs of the electric energy meter.
Description
Technical field
The utility model relates to a kind of electric energy meter, relates in particular to and a kind ofly has additional liquid crystal display screen support at the PCB circuit board, is convenient to assemble the electric energy meter of LCDs.
Background technology
Single-phase, three-phase intelligent electric-energy meter is a kind of multifunction electronic ammeter, generally has a LCDs that is used for demonstration information.At present, along with the display items display of intelligent electric energy meter increases gradually, corresponding liquid crystal number of pin also increases gradually.Thus, so that the difficulty of the liquid crystal display of electric energy meter when producing assembling increases, installation time is elongated, and then causes the production capacity of electrical energy meter production line to reduce, and production cost improves.
The utility model content
In view of this, be necessary to provide a kind of electric energy meter that can address the above problem.
A kind of electric energy meter, it comprises PCB circuit board and the LCDs that is electrically connected with described PCB circuit board, and described PCB circuit board has the first welding hole, and described LCDs has the pin corresponding to described the first welding hole.Described electric energy meter further has liquid crystal display screen support, described liquid crystal display screen support is arranged on the described PCB circuit board with fixing described LCDs, described liquid crystal display screen support has the reference column corresponding with described the first welding hole, described reference column is provided with the corresponding taper guide through hole that communicates with described the first welding hole, described taper guide through hole uncovered towards described LCDs, the pin of described LCDs passes described taper guide through hole and inserts described the first welding hole.
Further, described electric energy meter has the backlight that is arranged at the described LCDs back side.
Preferably, described liquid crystal display screen support has the holding part of accommodating described backlight.
Preferably, described backlight and described liquid crystal display screen support are structure as a whole.
Further, described electric energy meter has LED light, and it is electrically connected at described PCB circuit board.
Preferably, described PCB circuit board is provided with second welding hole corresponding with the pin of described LED light.
Preferably, described liquid crystal display screen support is provided with the pilot lamp installation portion, described pilot lamp installation portion is provided with positioning through hole, and described LED light is arranged at described pilot lamp installation portion, and the pin of described LED light passes described positioning through hole and inserts described the second welding hole.
Preferably, but described reference column towards described first welding hole of an end partial insertion of described PCB circuit board.
Compared to prior art, the electric energy meter that the utility model provides is set up liquid crystal display screen support at the PCB circuit board, can convenient effectively immobile liquid crystal display screen and backlight by described liquid crystal display screen support, and described liquid crystal display screen support is provided with the guiding conical through-hole of the pin of corresponding LCDs, pin passes smoothly described guiding taper through-hole alignment and is inserted in the first welding hole of circuit board when being convenient to assemble LCDs, thus, can effectively improve the efficiency of assembling of electric energy meter, increase the production capacity of electrical energy meter production line, and then reduce the production cost of electric energy meter.
Description of drawings
The schematic perspective view of the electric energy meter that Fig. 1 provides for the utility model one embodiment.
Fig. 2 is the decomposing schematic representation of electric energy meter shown in Figure 1.
Fig. 3 is the schematic perspective view of the liquid crystal display screen support of electric energy meter shown in Figure 1.
Fig. 4 is that electric energy meter shown in Figure 3 is along the cut-open view of IV-IV direction.
Embodiment
Below with reference to the drawings and the specific embodiments the utility model is elaborated.
See also Fig. 1 and Fig. 2, the utility model one embodiment provides a kind of electric energy meter 10, and it comprises PCB circuit board 11, LCDs 13, liquid crystal display screen support 15, backlight 17 and LED light 19.
Described PCB circuit board 11 has the first welding hole 111 and the second welding hole 113.Described LCDs 13 and described PCB circuit board 11 are electrically connected, and are used for showing the various numerical value of described electric energy meter 10; Described LCDs 13 has the pin one 31 corresponding to described the first welding hole 111.
See also Fig. 3 and Fig. 4, described liquid crystal display screen support 15 is arranged on the described PCB circuit board 11, with fixing described LCDs 13; Described liquid crystal display screen support 15 has the reference column 151 corresponding with described the first welding hole 111, described reference column 151 is provided with and described the first welding hole 111 corresponding taper guide through hole 153 that communicate, described taper guide through hole 153 uncovered towards described LCDs 13, the pin one 31 of described LCDs 13 passes described taper guide through hole 153 and inserts described the first welding hole 111, and described LCDs 13 is bearing on described liquid crystal display screen support 15.
Described backlight 17 is arranged at the back side of described LCDs 13.Described LED light 19 is electrically connected at described PCB circuit board 11, and the pin 191 of described LED light 19 is corresponding with described the second welding hole 113.
In the present embodiment, described liquid crystal display screen support 15 has holding part 155 and pilot lamp installation portion 157; Described holding part 155 is used for accommodating described backlight 17; Described pilot lamp installation portion 157 is provided with positioning through hole 159.
Described LED light 19 is arranged at described pilot lamp installation portion 157, and the pin 191 of described LED light 19 passes described the second welding hole 113 of described positioning through hole 159 insertions.
Preferably, described backlight 17 and described liquid crystal display screen support 15 are structure as a whole, and namely described backlight 17 and described liquid crystal display screen support 15 are made of one structure man-hour adding.
The reference column 151 of described liquid crystal display screen support 15 towards the end (being the slot end of described conical through-hole 153) of described PCB circuit board 11 but described the first welding hole of partial insertion 111 (not shown), thus, can rapidly described liquid crystal display screen support 15 be positioned on the described PCB circuit board 11, and make described taper guide through hole 153 aim at exactly described the first welding hole 111.Certainly, the location structure of described liquid crystal display screen support 15 is not limited to present embodiment, described liquid crystal display screen support 15 also can arrange separately keeper in addition, pilot hole correspondingly is set separately on the described PCB circuit board 11, thus, described liquid crystal display screen support 15 can be positioned on the described PCB circuit board 11 by keeper and cooperating of pilot hole.
When assembling described electric energy meter 10, at first pass through the location structure of described liquid crystal display screen support 15 (in the present embodiment, reference column 151 inserts described the first welding hole 111 towards an end parts of described PCB circuit board 11), to with liquid crystal display screen support 15 location and installation of described backlight 17 in the relevant position of described PCB circuit board 11, make described taper guide through hole 153 aim at described the first welding hole 111; Then the pin one 31 with described LCDs 13 is inserted in the first welding hole 111 of described PCB circuit board 11 along the taper guide through hole 153 of described liquid crystal display screen support 15, and weld, at this moment, described LCDs 13 is bearing on described liquid crystal display screen support 15; Pin 191 with described LED light 19 passes described the second welding hole 113 of described positioning through hole 159 insertions again, and welds, and at this moment, described LED light 19 is arranged at described pilot lamp installation portion 157.Thus, can successfully finish the assembling of LCDs 13 in the described electric energy meter 10.
Compared to prior art, described electric energy meter 10 is set up liquid crystal display screen support 15 at PCB circuit board 11, can convenient effectively immobile liquid crystal display screen 13 and backlight 17 by described liquid crystal display screen support 15, and described liquid crystal display screen support 15 is provided with the guiding conical through-hole 153 of the pin one 31 of corresponding LCDs 13, pin one 31 passes smoothly described guiding conical through-hole 153 and aims at and be inserted in the first welding hole 111 of PCB circuit board 11 when being convenient to assemble LCDs 13, thus, can effectively improve the efficiency of assembling of electric energy meter 10, increase the production capacity of electrical energy meter production line, and then reduce the production cost of electric energy meter.
Need to prove; the utility model is not limited to above-mentioned embodiment; according to creative spirit of the present utility model; those skilled in the art can also make other variations; these all should be included within the utility model scope required for protection according to the variation that creative spirit of the present utility model is done.
Claims (8)
1. electric energy meter, it comprises PCB circuit board and the LCDs that is electrically connected with described PCB circuit board, described PCB circuit board has the first welding hole, described LCDs has the pin corresponding to described the first welding hole, it is characterized in that: described electric energy meter further has liquid crystal display screen support, described liquid crystal display screen support is arranged on the described PCB circuit board with fixing described LCDs, described liquid crystal display screen support has the reference column corresponding with described the first welding hole, described reference column is provided with the corresponding taper guide through hole that communicates with described the first welding hole, described taper guide through hole uncovered towards described LCDs, the pin of described LCDs passes described taper guide through hole and inserts described the first welding hole.
2. electric energy meter as claimed in claim 1 is characterized in that, described electric energy meter further has the backlight that is arranged at the described LCDs back side.
3. electric energy meter as claimed in claim 2 is characterized in that, described LCDs has the holding part of accommodating described backlight.
4. electric energy meter as claimed in claim 3 is characterized in that, described backlight and described liquid crystal display screen support are structure as a whole.
5. electric energy meter as claimed in claim 1 is characterized in that, described electric energy meter further has LED light, and it is electrically connected at described PCB circuit board.
6. electric energy meter as claimed in claim 5 is characterized in that, described PCB circuit board is provided with second welding hole corresponding with the pin of described LED light.
7. electric energy meter as claimed in claim 6, it is characterized in that, described liquid crystal display screen support is provided with the pilot lamp installation portion, described pilot lamp installation portion is provided with positioning through hole, described LED light is arranged at described pilot lamp installation portion, and the pin of described LED light passes described positioning through hole and inserts described the second welding hole.
8. electric energy meter as claimed in claim 1 is characterized in that, but described reference column is towards described first welding hole of an end partial insertion of described PCB circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368900 CN202757970U (en) | 2012-07-27 | 2012-07-27 | Electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368900 CN202757970U (en) | 2012-07-27 | 2012-07-27 | Electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757970U true CN202757970U (en) | 2013-02-27 |
Family
ID=47737142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220368900 Expired - Fee Related CN202757970U (en) | 2012-07-27 | 2012-07-27 | Electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757970U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517555A (en) * | 2013-09-22 | 2014-01-15 | 苏州银河龙芯科技有限公司 | Electric energy meter circuit board structure and machining technology thereof |
| CN104076539A (en) * | 2014-06-30 | 2014-10-01 | 华立仪表集团股份有限公司 | Display structure of ammeter, method for relieving stress of inner display structure of ammeter, and display circuit board of ammeter |
| CN104101749A (en) * | 2014-07-02 | 2014-10-15 | 杭州三高光电科技有限公司 | Electric energy meter integrated backlight source |
| CN108811306A (en) * | 2018-06-30 | 2018-11-13 | 宁波三星医疗电气股份有限公司 | A kind of novel electric power terminal |
-
2012
- 2012-07-27 CN CN 201220368900 patent/CN202757970U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517555A (en) * | 2013-09-22 | 2014-01-15 | 苏州银河龙芯科技有限公司 | Electric energy meter circuit board structure and machining technology thereof |
| CN103517555B (en) * | 2013-09-22 | 2017-04-19 | 苏州银河龙芯科技有限公司 | Electric energy meter circuit board structure and machining technology thereof |
| CN104076539A (en) * | 2014-06-30 | 2014-10-01 | 华立仪表集团股份有限公司 | Display structure of ammeter, method for relieving stress of inner display structure of ammeter, and display circuit board of ammeter |
| CN104101749A (en) * | 2014-07-02 | 2014-10-15 | 杭州三高光电科技有限公司 | Electric energy meter integrated backlight source |
| CN104101749B (en) * | 2014-07-02 | 2017-11-10 | 杭州三高光电科技有限公司 | Electric energy meter integration backlight |
| CN108811306A (en) * | 2018-06-30 | 2018-11-13 | 宁波三星医疗电气股份有限公司 | A kind of novel electric power terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160727 |