CN201142256Y - Initiating explosive device resistor protection box with high maintainability - Google Patents
Initiating explosive device resistor protection box with high maintainability Download PDFInfo
- Publication number
- CN201142256Y CN201142256Y CNU2007201741849U CN200720174184U CN201142256Y CN 201142256 Y CN201142256 Y CN 201142256Y CN U2007201741849 U CNU2007201741849 U CN U2007201741849U CN 200720174184 U CN200720174184 U CN 200720174184U CN 201142256 Y CN201142256 Y CN 201142256Y
- Authority
- CN
- China
- Prior art keywords
- printed board
- protection box
- resistance
- explosive device
- initiating explosive
- Prior art date
- 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.)
- Expired - Fee Related
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model relates to an initiating explosive device resistor protecting box with high maintenance performance. The box comprises an outer casing, an insulating block, a printed plate, an electric connector, a resistor, a mounting screw and a base, wherein the electric connector and the resistor are welded on the printed plate to form a printed plate combination; the insulating block and the printed plate combination are installed on the base, and the outer casing is fixed on the base through the mounting screw. The box has the advantages that the structure is simple, the volume is small, the maintainability of the whole product can be greatly enhanced, the maintenance cost is reduced, and circuits around the initiating explosive device resistor can also be effectively protected.
Description
One, technical field
The utility model belongs to dynamo-electric assembly technical field, especially belongs to a kind of priming system resistance protection box with high maintainability.
Two, background technology
The characteristic of priming system resistance is: when applying rated current to resistance, resistance must not be blown (being that resistance parameter must not change) in being no more than official hour, but must be blown (being resistive-open) in certain period after exceeding schedule time again.At some special dimensions, safe and reliable for complete machine (as engine ignition etc.) all used priming system resistance under many situations.But, in application at present, remain it directly be welded in the printed board priming system resistance.But there is defective in this use: on the one hand, after resistance was blown, also there was risk even maintenance has been got well as formal product in whole printed board or need repairing, or just scrap using on the complete machine.On the other hand:, when resistance is blown, may cause damage to peripheral circuits if there are not good safeguard procedures.
Three, summary of the invention
The purpose of this utility model is; the problem that in use exists at present priming system resistance; a kind of priming system resistance protection case assembly technology with high maintainability is provided; circuit around the priming system resistance is protected; after avoiding resistance to be blown, the defective that whole printed board needs repairing or scraps.
Structure of the present utility model is made up of pedestal, shell, printed board, electric connector, resistance, cross-over block, several parts of screw.
Resistance of the present utility model is welded in the printed board in vertical mode, is welded with the plug of electric connector in the printed board simultaneously, thereby forms the printed board combination, the printed board combination is contained in the pedestal, and loads onto cross-over block, encapsulates with shell at last.
It is simple in structure adopting the beneficial effect of the technical program, and volume is less; Can improve the maintainability of machine product greatly, reduce the maintenance cost of machine product.Can effectively protect simultaneously priming system resistance circuit on every side.
Four, description of drawings
Fig. 1 priming system resistance protection box with maintainability of the present utility model, the base construction schematic diagram.
Fig. 2 priming system resistance protection box with high maintainability of the present utility model, printed board combining structure schematic diagram.
Fig. 3 priming system resistance protection box with high maintainability of the present utility model, the assembling schematic diagram.
Among the figure: 1-shell, 2-cross-over block, 3-printed board, 4-electric connector, 5-resistance, 6-mounting screw, 7-pedestal.
Five, embodiment
Be described in further detail below in conjunction with 3 pairs of execution modes with priming system resistance protection box of high maintenance of the present utility model of above-mentioned accompanying drawing:
Example of the present utility model as shown in Figure 3.Comprise shell 1, cross-over block 2, printed board 3, electric connector 4, resistance 5, mounting screw 6, pedestal 7.At first, electric connector 4, resistance 5 are welded in the printed board 3, form the printed board combination; Then; cross-over block 2 and printed board combination are contained on the pedestal 7; with mounting screw 6 shell 1 is fixed on the pedestal 7 at last; during use; this protection box directly is inserted on the connector body in the machine product printed board; after resistance is blown, this priming system resistance protection box is pulled up from socket change another one and get final product.
Claims (1)
1, a kind of priming system resistance protection box with high maintainability energy, comprise shell (1), cross-over block (2), printed board (3), electric connector (4), resistance (5), mounting screw (6), pedestal (7), it is characterized in that electric connector (4), resistance (5) are welded in the printed board (3), form the printed board combination; Cross-over block (2) and printed board combination are contained on the pedestal (7), and mounting screw (6) is fixed on shell (1) on the pedestal (7), forms priming system resistance protection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201741849U CN201142256Y (en) | 2007-10-27 | 2007-10-27 | Initiating explosive device resistor protection box with high maintainability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201741849U CN201142256Y (en) | 2007-10-27 | 2007-10-27 | Initiating explosive device resistor protection box with high maintainability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142256Y true CN201142256Y (en) | 2008-10-29 |
Family
ID=40069966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201741849U Expired - Fee Related CN201142256Y (en) | 2007-10-27 | 2007-10-27 | Initiating explosive device resistor protection box with high maintainability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142256Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066457A (en) * | 2012-12-26 | 2013-04-24 | 中航光电科技股份有限公司 | Module connector |
-
2007
- 2007-10-27 CN CNU2007201741849U patent/CN201142256Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066457A (en) * | 2012-12-26 | 2013-04-24 | 中航光电科技股份有限公司 | Module connector |
| CN103066457B (en) * | 2012-12-26 | 2015-08-26 | 中航光电科技股份有限公司 | A kind of modular connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20091127 |