CN101877249B - Singlechip-control all-digital combination instrument - Google Patents
Singlechip-control all-digital combination instrument Download PDFInfo
- Publication number
- CN101877249B CN101877249B CN200910057144XA CN200910057144A CN101877249B CN 101877249 B CN101877249 B CN 101877249B CN 200910057144X A CN200910057144X A CN 200910057144XA CN 200910057144 A CN200910057144 A CN 200910057144A CN 101877249 B CN101877249 B CN 101877249B
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- China
- Prior art keywords
- backing plate
- shell
- jiao
- host cavity
- singlechip
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- Expired - Fee Related
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Abstract
The invention relates to a singlechip-control all-digital combination instrument which comprises a shell, a circuit board and a backing plate, wherein the shell is provided with a containing chamber, the circuit board is clamped in the containing chamber of the shell, and the backing plate is positioned on the circuit board and contained in the containing chamber of the shell; the inner and outer edges of the containing chamber of the shell are provided with fastening corners; the lower surface of the backing plate is extended and provided with backing plate fastening corners; and the fastening corners on the shell and the backing plate fastening corners on the lower surface of the backing plate are cooperatively clamped to fix the circuit board. The invention has the advantages of simple structure and convenient installation, and effectively controls the production cost.
Description
Technical field
Invention relates to instrument and meter and makes the field, refers in particular to a kind of improvement of singlechip-control all-digital combination instrument.
Background technology
Instrument and meter is as the source of information industry, is that the technology with computer and microprocessor is a core technology, with computing machine, network, system, communication, image show, Theory of Automatic Control is general character gordian technique basis.These information technology applications facilitate instrument product to upgrade to intelligent instrumentation in instrument and meter, develop into a big series of products colony in the information industry field.The intellectuality of instrument product forward, microminiaturization, networking and virtual direction stride forward rapidly.
Improvement like No. 200320127754.0 a kind of combination instruments that patent disclosed of Chinese patent.Its shell structure is made up of cloche 1, screen circle 2 and drain pan 4, and cloche 1 firmly is connected through friction welding (FW) with the port of screen circle 2; At screen circle coboundary two mounting ears 5 are arranged, the installed surface of mounting ear 5 stretches along the sidewall of screen circle 2, on mounting ear 5, screw hole is arranged; Flexible card 7 on the sidewall of drain pan 4.This project organization is complicated, and the relatively poor and processing difficulties of reliability, cost are higher, and the construction cycle is longer.
Given this, be necessary to provide a kind of singlechip-control all-digital combination instrument to solve the problems of the technologies described above in fact.
Summary of the invention
The technical matters that the present invention will solve provides a kind of singlechip-control all-digital combination instrument, is convenient to aggregate erection and reduces production costs.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of singlechip-control all-digital combination instrument; It comprises the shell that is provided with host cavity, is fastened in the wiring board in the shell host cavity and is positioned on the wiring board and is contained in the backing plate of the host cavity of shell, and the host cavity inwall of said shell is equipped with some Ka Jiao; Said backing plate lower surface extends and is provided with some backing plate Ka Jiao, and the Ka Jiao on the said shell cooperates with the backing plate Ka Jiao of backing plate lower surface and holds.
As one of optimal way of the present invention, said Ka Jiao extends upward along the host cavity inwall from the host cavity bottom surface and forms, and the Ka Jiao top is provided with barb.
As one of optimal way of the present invention, said backing plate Ka Jiao forms to extending away from the backing plate direction from the backing plate lower surface, and the outside, backing plate card angle is provided with the guide groove that cooperates with Ka Jiao, and the position near guide groove on the backing plate is provided with the square groove mouth that cooperates with Ka Jiao.
As one of optimal way of the present invention, said wiring board edge is provided with some openings that cooperate with Ka Jiao.
Singlechip-control all-digital combination instrument of the present invention, simple in structure, one-piece construction cooperates tight, easy for installation, has effectively controlled production cost.
Description of drawings
Fig. 1 is the shell mechanism synoptic diagram in the singlechip-control all-digital combination instrument of the present invention.
Fig. 2 is the backing structure synoptic diagram in the singlechip-control all-digital combination instrument of the present invention.
Fig. 3 is the exploded view of singlechip-control all-digital combination instrument of the present invention.
Embodiment
Please referring to figs. 1 through shown in Figure 3; A kind of singlechip-control all-digital combination instrument, it comprises the shell 1 that is provided with host cavity, is fastened in the wiring board 3 in the host cavity of shell 1 and is positioned on the wiring board 3 and is contained in the backing plate 2 of the host cavity of shell 1; The host cavity inwall of said shell 1 is equipped with some cards angle 11; Said backing plate 2 lower surfaces extend and are provided with some backing plate cards angle 21, and backing plate card angle 21 preferred 3, the card angle 11 on the said shell 1 cooperate with the backing plate card angle 21 of backing plate 2 lower surfaces and hold.
Said shell 1 comprises rounded bottom surface 10, from the bottom surface the upwardly extending sidewall 12 in 10 edges, said bottom surface 10 surrounds a host cavity (not label) with sidewall 12, is provided with extension 121 from host cavity to extending away from its center.Be provided with some cards angle 11 in the said host cavity, preferably be provided with 3 Ka Jiao.This card angle 11 extends upward along host cavity sidewall 12 from the bottom surface 10 of host cavity and forms, and the top at card angle 11 is provided with barb 110.
Said backing plate 2 is circular, and its diameter is slightly less than the host cavity diameter of shell 1.Said backing plate 2 is provided with tabular body 20, and these body 20 centers are provided with panel bayonet socket 24, and said panel bayonet socket adopts the chamfering form, is used for fixing panel (not shown).Body 20 outsides are provided with register pin 25, are used to limit panel and do axial rotation.Said backing plate card angle 21 forms to extending away from backing plate 2 directions from the lower surface in body 20 outsides; 21 outsides, backing plate card angle are provided with and block the guide groove 211 that angle 11 cooperates; Be provided with near the position of guide groove 211 on the backing plate 2 and block the square groove mouth 22 that angle 11 cooperates, square groove mouth 22 is set is convenient to the dismounting maintenance.21 both sides, backing plate card angle are provided with reinforcement, and effect is to strengthen card angle intensity, and reduces card angle 11 deflections, and can effectively prevent the axially rotation of backing plate 2 dos.Said body 20 is provided with guidepost 23 to extending below.
Said wiring board 3 is circular, and its diameter equals the diameter of backing plate, also is slightly less than the diameter of the host cavity of shell 1.Said wiring board 3 edges are provided with some openings 31 that cooperate with card angle 11, preferred 3 of this opening, and said wiring board is provided with pilot hole (not shown); Guidepost 23 acts on wiring board 3; Cooperate with the pilot hole on the wiring board 3, guarantee that backing plate 2 snaps in shell 1 smoothly, for making things convenient for the Workshop Production design.
During installation, earlier wiring board 3 is put into the host cavity of shell 1, the opening 31 of said wiring board 3 is passed at the card angle 11 in the said host cavity, and since then, wiring board 3 just is fixed on and avoids rotation in the host cavity.Secondly, backing plate 2 is put into host cavity, the barb 110 at card 11 tops, angle utilizes its spigot surface to slip in the guide groove 211 in 21 outsides, backing plate card angle, since then, and backing plate 2 and shell 1 matching and fixing.
Singlechip-control all-digital combination instrument of the present invention, simple in structure, one-piece construction cooperates tight, easy for installation, has effectively controlled production cost.
Above-mentioned description to embodiment is can understand and use the present invention for ease of the those of ordinary skill of this technical field.The personnel of skilled obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (2)
1. singlechip-control all-digital combination instrument; It is characterized in that: it comprises the shell (1) that is provided with host cavity; Be fastened in the wiring board (3) in the shell host cavity and be positioned on the wiring board and be contained in the backing plate (2) of the host cavity of shell (1); The host cavity inwall of said shell (1) is equipped with some Ka Jiao (11), and said backing plate (2) lower surface extends and to be provided with some backing plate Ka Jiao (21), and the Ka Jiao (11) on the said shell (1) cooperates with the backing plate Ka Jiao (21) of backing plate (2) lower surface and holds; Said Ka Jiao (11) extends upward along the host cavity inwall from the host cavity bottom surface and forms, and the Ka Jiao top is provided with barb (110); Said backing plate Ka Jiao (21) forms to extending away from the backing plate direction from backing plate (2) lower surface; Backing plate Ka Jiao (21) outside is provided with the guide groove (211) that cooperates with Ka Jiao (11), and the position that backing plate (2) is gone up near guide groove (211) is provided with the square groove mouth (22) that cooperates with Ka Jiao (11).
2. singlechip-control all-digital combination instrument as claimed in claim 1 is characterized in that: said wiring board (3) edge is provided with some openings (31) that cooperate with Ka Jiao (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057144XA CN101877249B (en) | 2009-04-28 | 2009-04-28 | Singlechip-control all-digital combination instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910057144XA CN101877249B (en) | 2009-04-28 | 2009-04-28 | Singlechip-control all-digital combination instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101877249A CN101877249A (en) | 2010-11-03 |
| CN101877249B true CN101877249B (en) | 2012-03-21 |
Family
ID=43019777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910057144XA Expired - Fee Related CN101877249B (en) | 2009-04-28 | 2009-04-28 | Singlechip-control all-digital combination instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101877249B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629753A (en) * | 2003-12-17 | 2005-06-22 | Eta瑞士钟表制造股份有限公司 | Portable electronic appliance including a pressure sensor |
| CN2751510Y (en) * | 2004-11-11 | 2006-01-11 | 李德福 | Rail-mounted meter casing with rearmounted external terminal row |
-
2009
- 2009-04-28 CN CN200910057144XA patent/CN101877249B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629753A (en) * | 2003-12-17 | 2005-06-22 | Eta瑞士钟表制造股份有限公司 | Portable electronic appliance including a pressure sensor |
| CN2751510Y (en) * | 2004-11-11 | 2006-01-11 | 李德福 | Rail-mounted meter casing with rearmounted external terminal row |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877249A (en) | 2010-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI STONE INSTRUMENTATION CO., LTD. Free format text: FORMER NAME: SHANGHAI STONE METER FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200083 Shanghai city Hongkou District beibaoxing Road No. 195 Patentee after: Shanghai Sitong Instrument Co.,Ltd. Address before: 200083 Shanghai city Hongkou District beibaoxing Road No. 195 Patentee before: Shanghai Stone Meter Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20160428 |