CN202948038U - Keyboard type prepayment electric energy meter - Google Patents
Keyboard type prepayment electric energy meter Download PDFInfo
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- CN202948038U CN202948038U CN 201220625979 CN201220625979U CN202948038U CN 202948038 U CN202948038 U CN 202948038U CN 201220625979 CN201220625979 CN 201220625979 CN 201220625979 U CN201220625979 U CN 201220625979U CN 202948038 U CN202948038 U CN 202948038U
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- table cover
- type prepayment
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Abstract
The utility model relates to a keyboard type prepayment electric energy meter which is simple in structure and rapid and convenient to assemble so as to decrease connection wires among internal elements, simplify the production process and improve the production efficiency and quality. The technical scheme is that the keyboard prepayment electric energy meter comprises a meter base, a meter cover, a terminal base, an end cover and a main board which is fixed on the meter base, wherein a relay electrically connected with the main board is welded onto the main board. The electric energy meter is characterized in that a control signal pin is arranged on the relay, a voltage sampling pin and two manganin sampling pins are manufactured on a connection pin sheet of the relay, and the control signal pin, the voltage sampling pin and the two manganin sampling pins are welded and electrically connected onto the main board through soldering tin. The electric energy meter is applicable to electrical power systems.
Description
Technical field
The utility model relates to a kind of electric energy meter, and particularly a kind of keyboard-type prepayment meter, mainly be applicable in electric system.
Background technology
Along with the progress of society, the development of science and technology, mechanical electricity meter and ordinary electronic formula ammeter are replaced by intelligent electric meter gradually.Keyboard-type prepayment intelligent ammeter complete function, in table, component number also increases much accordingly, at first, owing to being electrically connected to by connecting line between each components and parts, causes solder joint to increase, thereby has increased the probability of connecting line rosin joint, has affected the qualification rate of product; Secondly, because component number is more, as adopting the mode of installing one by one, can cause complex manufacturing, affect manufacturing schedule; Again, because component number is more, the connecting line between each components and parts also increases accordingly, and not only cabling is complicated, and takies large quantity space, is unfavorable for dwindling the volume of table, also is unfavorable for the heat radiation of table meter simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is: for the problem of above-mentioned existence provide a kind of simple in structure, assemble keyboard-type prepayment meter quickly and easily, to reduce the line between internal component, simplify production technology, enhance productivity and quality.
The technical scheme that the utility model adopts is: the keyboard-type prepayment meter, comprise gauge stand, table cover, terminal base, end cap, and be fixed in mainboard on gauge stand, wherein be welded with the relay that is electrically connected to it on mainboard, it is characterized in that: described relay is provided with the control signal leading foot, and be shaped with respectively a voltage sampling leading foot and two copper-manganese sampling leading foots on the connecting pin sheet of relay, described control signal leading foot, voltage sampling leading foot and copper-manganese sampling leading foot all directly weld by scolding tin and are electrically connected on mainboard.
The thickness of described connecting pin sheet is 2.0mm.
Arrange between described end cap and mainboard end cap uncap the inspection mechanism.
Uncap inspection mechanism of described end cap comprises and is positioned at the elastic cantilever that covers on terminal base, the silica gel push-button I that is arranged at cantilever free end, and be positioned at carbon dish I on mainboard, wherein be implanted with the conduction carbon granules on the surface of button I end, and arrange over against carbon dish I, be shaped with on end cap simultaneously and can make cantilever deflection realize button I and the contacted push rod I of carbon dish I.
Arrange between described table cover and mainboard table cover uncap the inspection mechanism.
Uncap inspection mechanism of described table cover comprises the push rod II that is positioned at the table cover inside surface, is arranged at the free-ended silica gel push-button II of this push rod II, and is positioned at the carbon dish II on mainboard, wherein is implanted with the conduction carbon granules on the surface of button II end, and arranges over against carbon dish II.
Described mainboard is provided with the liquid crystal support for immobile liquid crystal panel and backlight, on this support, one is shaped with for the fixing morse signal light support of photoelectricity morse signal light, one is shaped with one group of light-guiding pillar on the liquid crystal support simultaneously, and each light-guiding pillar is arranged over against the pilot lamp on mainboard.
Described liquid crystal support and morse signal light support all adopt transparent material to make.
Be shaped with keyboard holder on described gauge stand inside surface, this keyboard holder is provided with the keyboard pcb board that is connected with mainboard by winding displacement, and this keyboard pcb board surface is provided with under the table cover effect, simultaneously and the table cover silica gel keyboard that sealing contacts with the keyboard pcb board.
The beneficial effects of the utility model are: 1, directly draw control signal leading foot, voltage sampling leading foot and two copper-manganese sampling leading foots from relay, and be electrically connected on mainboard by the direct welding of scolding tin, saved compared to prior art the wire that is connected between relay and mainboard, not only simplified welding technology, improve production efficiency, and improved the qualification rate of product.2, uncap inspection mechanism and table cover of end cap uncapped in inspection mechanism, the silica gel push-button that the surface is implanted with carbon granules is installed, and on mainboard, the contact carbon dish corresponding with this button is set, the entity switch in compared to prior art, not only simplify inner structure, and reduced production cost.3, liquid crystal support, morse signal light support and light-guiding pillar are made into integration, during assembling, liquid crystal panel, backlight and photoelectricity morse signal light are fixed on support, then cross together wave-soldering with mainboard, the mode of welding is installed compared to prior art one by one, greatly simplify welding technology, improved production efficiency.4, be shaped with keyboard holder on gauge stand, this keyboard holder is provided with the keyboard pcb board, and this keyboard pcb board surface is provided with silica gel keyboard, utilize the pressuring action of table cover during installation, sealing contacts with the keyboard pcb board with table cover to make keyboard, realizes sealing, easy to assembly quick, time saving and energy saving.
Description of drawings
Fig. 1 is the stereographic map of mainboard in the utility model.
Fig. 2 is the front view of mainboard in the utility model.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is cut-open view of the present utility model (side-looking).
Fig. 5 is the A section enlarged drawing of Fig. 4.
Fig. 6 is the B section enlarged drawing of Fig. 4.
Fig. 7 is the fixing structural drawing of keyboard in the utility model.
Fig. 8 is the connection diagram of the utility model middle connecting terminal.
Embodiment
As Figure 1-Figure 4, the present embodiment comprises that gauge stand 1, table cover 2, terminal base 3(are with ground terminal), end cap 4, and be fixed in mainboard 5 on gauge stand 1; Wherein be welded with the relay 6 that is electrically connected to it on mainboard 5, this relay 6 is provided with control signal leading foot 6-2, and be shaped with respectively a voltage sampling leading foot 6-3 and two copper-manganese sampling leading foot 6-4 on the connecting pin sheet 6-1 of relay 6, described control signal leading foot 6-2, voltage sampling leading foot 6-3 and copper-manganese sampling leading foot 6-4 all directly weld by wave-soldering and are electrically connected on mainboard 5, save the connection wire, simplified welding technology.In this example, connecting pin sheet 6-1 employing thickness is the T3 copper plate of 2mm, has greatly improved heat radiation and the overcurrent capability of relay body.If two-circuit sampling, the two-way Control, employing be two identical relays.
Described mainboard 5 is provided with the liquid crystal support 14(transparent material for immobile liquid crystal panel 20 and backlight 21), on this liquid crystal support, one is shaped with for the fixing morse signal light support 15(transparent material of photoelectricity morse signal light 22), one is shaped with one group perpendicular to the light-guiding pillar 16 on mainboard 5 planes, place on liquid crystal support 14 simultaneously, the pilot lamp 23(of each light-guiding pillar 16 on the mainboard 5 adopts the LCD SMD lamp) arrange so that with light conduction to the outside surface of table cover 2.The present embodiment is made one with liquid crystal support 14, morse signal light support 15 and light-guiding pillar 16; During assembling, liquid crystal panel 20, backlight 21 and photoelectricity morse signal light 22 are fixed on support (being made into integration by liquid crystal support, morse signal light support and light-guiding pillar), and the pin that makes liquid crystal panel 20, backlight 21 and photoelectricity morse signal light 22 is plugged in the relevant position of mainboard 5, then cross wave-soldering together with mainboard 5, thereby simplified welding technology, guaranteed the reliability of welding quality.
As Fig. 4, shown in Figure 5, arrange between described end cap 4 and mainboard 5 end cap uncap the inspection mechanism.In this example, end cap uncap inspection mechanism comprises the elastic cantilever 7 that is positioned on terminal base 3 upper cover 3-1, is arranged at the free-ended silica gel push-button I 8 of cantilever 7, and is positioned at the contact carbon dish I 9 on mainboard 5; Wherein elastic cantilever 7 is the L-type layout substantially with button I 8, is implanted with the conduction carbon granules on the surface of button I 8 ends, and arranges over against carbon dish I 9, is shaped with on end cap 4 simultaneously to make cantilever 7 distortion realize button I 8 and the contacted push rod I 10 of carbon dish I 9.After end cap 4 installations, push rod I 10 compresses the free end of cantilever 7, makes it to deform, and the end that while silica gel push-button I 8 is implanted with the conduction carbon granules contacts with carbon dish I 9, realizes connecting; After taking off end cap 4, the suffered snap-in force of cantilever 7 is removed and resilience occurs to be resetted, and silica gel push-button I 8 is separated with carbon dish I 9, realizes disconnecting; Ammeter can learn according to the state that switches on and off whether end cap 4 is opened.
As Fig. 4, shown in Figure 6, arrange between described table cover 2 and mainboard 5 table cover uncap the inspection mechanism.In this example, uncap inspection mechanism of described table cover comprises the push rod II 11 that is positioned at table cover 2 inside surfaces, is arranged at the free-ended silica gel push-button II 12 of this push rod II, and be positioned at contact carbon dish II 13 on mainboard 5, wherein be implanted with the conduction carbon granules on the surface of button II 12 ends, and arrange over against carbon dish II 13.After table cover 2 installations, silica gel push-button II 12 contacts with carbon dish II 13 under push rod II 11 effect, realizes connecting, and utilizes the elastic deformation amount of silica gel to guarantee the reliable contact of surface of contact; After taking off table cover 2, the silica gel push-button II is separated with carbon dish II 13, realizes disconnecting; Ammeter can learn according to the state that switches on and off whether table cover 2 is opened.
As shown in Figure 7, be shaped with keyboard holder 17 on described gauge stand 1 inside surface, this keyboard holder is provided with the keyboard pcb board 18 that is connected with mainboard 5 by the FPC winding displacement, this keyboard pcb board surface is provided with silica gel keyboard 19, utilize the pressuring action of table cover 2 during installation, 18 sealings contact with the keyboard pcb board with table cover 2 to make keyboard 19, realize sealing, make the keyboard sealing property reach IP54.Utilize the supporting role of keyboard holder 17, guarantee stability stressed when keyboard 19 operates.
As shown in Figure 8, this routine middle connecting terminal 24 adopts true pressure plate structures, and its pressing plate is directly drawn from relay 6, and to adopt thickness be that the T3 copper plate of 2mm is made, and overcurrent capability is strong, adopts line pressing bolt to fix, and guarantees that Product Assembly is simple and reliable.
The assembling process of the present embodiment is as follows: after the components and parts on mainboard 5 are crossed wave-soldering, mobile connection terminal 24 is inserted on the connecting pin sheet 6-1 of relay 6, then be fixed on mainboard 5 by the base 3-2 of screw with terminal base 3, and cover the upper cover 3-1 of terminal base 3, upper cover 3-1 and base 3-2 are connected by button bit, and then screwing in line pressing bolt can be linked to be an integral body with mainboard 5 and terminal base 3; This integral body is placed in gauge stand 1 again, and covers table cover 2, load onto end cap 4 and get final product, whole assembling process is convenient and swift.
In actual the use, when the ammeter assembling is completed and installed at the scene, a backboard and the MCB(miniature circuit breaker of packing into can be installed on installed surface), ammeter is assemblied on backboard gets final product at last; Described backboard upper punch is pressed with the mounting structure of MCB, ammeter is connected convenient reliable with the installation of MCB.
Claims (9)
1. keyboard-type prepayment meter, comprise gauge stand (1), table cover (2), terminal base (3), end cap (4), and be fixed in mainboard (5) on gauge stand (1), wherein be welded with the relay (6) that is electrically connected to it on mainboard (5), it is characterized in that: described relay (6) is provided with control signal leading foot (6-2), and be shaped with respectively a voltage sampling leading foot (6-3) and two copper-manganese sampling leading foots (6-4) on the connecting pin sheet (6-1) of relay (6), described control signal leading foot (6-2), voltage sampling leading foot (6-3) and copper-manganese sampling leading foot (6-4) all directly weld by scolding tin and are electrically connected on mainboard (5).
2. keyboard-type prepayment meter according to claim 1, it is characterized in that: the thickness of described connecting pin sheet (6-1) is 2.0mm.
3. keyboard-type prepayment meter according to claim 1 and 2 is characterized in that: end cap uncap inspection mechanism is set between described end cap (4) and mainboard (5).
4. keyboard-type prepayment meter according to claim 3, it is characterized in that: described end cap uncap inspection mechanism comprises and is positioned at the elastic cantilever (7) that covers on terminal base (3), is arranged at the free-ended silica gel push-button I of cantilever (7) (8), and be positioned at carbon dish I (9) on mainboard (5), wherein be implanted with the conduction carbon granules on the surface of button I (8) end, and arrange over against carbon dish I (9), be shaped with on end cap (4) simultaneously and can make cantilever (7) distortion realize button I (8) and the contacted push rod I of carbon dish I (9) (10).
5. keyboard-type prepayment meter according to claim 1 and 2 is characterized in that: table cover uncap inspection mechanism is set between described table cover (2) and mainboard (5).
6. keyboard-type prepayment meter according to claim 5, it is characterized in that: described table cover uncap inspection mechanism comprises the push rod II (11) that is positioned at table cover (2) inside surface, is arranged at the free-ended silica gel push-button II of this push rod II (12), and be positioned at carbon dish II (13) on mainboard (5), wherein be implanted with the conduction carbon granules on the surface of button II (12) end, and arrange over against carbon dish II (13).
7. keyboard-type prepayment meter according to claim 1 and 2, it is characterized in that: described mainboard (5) is provided with the liquid crystal support (14) for immobile liquid crystal panel and backlight, on this support, one is shaped with for the fixing morse signal light support (15) of photoelectricity morse signal light, be shaped with one group of light-guiding pillar (16) in the upper one of liquid crystal support (14) simultaneously, each light-guiding pillar (16) is arranged over against the pilot lamp on mainboard (5).
8. keyboard-type prepayment meter according to claim 7, it is characterized in that: described liquid crystal support (14) and morse signal light support (15) all adopt transparent material to make.
9. keyboard-type prepayment meter according to claim 1 and 2, it is characterized in that: be shaped with keyboard holder (17) on described gauge stand (1) inside surface, this keyboard holder is provided with the keyboard pcb board (18) that is connected with mainboard (5) by winding displacement, and this keyboard pcb board surface is provided with under table cover (2) effect, and table cover (2) and keyboard pcb board (18) seals the silica gel keyboard (19) that contacts simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625979 CN202948038U (en) | 2012-11-23 | 2012-11-23 | Keyboard type prepayment electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220625979 CN202948038U (en) | 2012-11-23 | 2012-11-23 | Keyboard type prepayment electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948038U true CN202948038U (en) | 2013-05-22 |
Family
ID=48423734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220625979 Expired - Lifetime CN202948038U (en) | 2012-11-23 | 2012-11-23 | Keyboard type prepayment electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202948038U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104407188A (en) * | 2014-12-11 | 2015-03-11 | 青岛乾程电子科技有限公司 | Multifunctional fixed assembling bracket for electric energy meter |
| CN104535812A (en) * | 2015-01-20 | 2015-04-22 | 青岛乾程电子科技有限公司 | Simple multifunctional assembled support for ammeter |
| CN105021855A (en) * | 2015-08-12 | 2015-11-04 | 青岛乾程电子科技有限公司 | Single-phase remote cost-control energy metering device |
| 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 |
-
2012
- 2012-11-23 CN CN 201220625979 patent/CN202948038U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104407188A (en) * | 2014-12-11 | 2015-03-11 | 青岛乾程电子科技有限公司 | Multifunctional fixed assembling bracket for electric energy meter |
| CN104535812A (en) * | 2015-01-20 | 2015-04-22 | 青岛乾程电子科技有限公司 | Simple multifunctional assembled support for ammeter |
| CN104535812B (en) * | 2015-01-20 | 2017-09-26 | 青岛乾程科技股份有限公司 | A kind of plain type ammeter Multifunctional assembled support |
| CN105021855A (en) * | 2015-08-12 | 2015-11-04 | 青岛乾程电子科技有限公司 | Single-phase remote cost-control energy metering device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |