CN205303233U - On off state indicating device - Google Patents
On off state indicating device Download PDFInfo
- Publication number
- CN205303233U CN205303233U CN201620058780.XU CN201620058780U CN205303233U CN 205303233 U CN205303233 U CN 205303233U CN 201620058780 U CN201620058780 U CN 201620058780U CN 205303233 U CN205303233 U CN 205303233U
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- Prior art keywords
- light beam
- light
- indicating device
- state indicating
- switch state
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Abstract
The utility model provides an on off state indicating device, it includes the casing, sets up the circuit board in the casing, with the SMD FOR LED that the circuit board electricity is connected, and will the optical transmission that SMD FOR LED sent derives the outer light -directing structure of casing. The SMD FOR LED beading is on the circuit board pad, and light -directing structure is including showing the cover body, and one end and show that the cover body communicates with each other, the other end will the direction is gathered together to the light that SMD FOR LED sent the leaded light post that shows the cover body. The utility model provides a welding of state indicating device is easy, is difficult for during the assembly crusing by pressure, and the maintenance is also more convenient with the change.
Description
Technical field
The utility model relates to low voltage electrical apparatus technology field, particularly relates to a kind of switch state indicating device.
Background technology
Powering the intelligentized demand of network according to China, as the end effector of power supply network, small-sized isolating switch performs upper end signal and not only has tripping operation, closing function, also to be had control signal indicating unit so that the control level state of identification electric energy table. Regulation in " the external on-load switch technical specifications of electric energy table " that State Grid Corporation of China puts into effect: the isolating switch except manual control mode should have red control signal pilot lamp, pilot lamp should be arranged on switch front, when control signal lamp is AC220V, pilot lamp is bright, when control signal lamp is 0V, pilot lamp goes out, and is convenient to identify the control level state of current electric energy table.
A kind of isolating switch of prior art, discloses a kind of switch tripping mechanism, and this mechanism mainly comprises the parts such as base, gear, STATEMENT OF FEDERALLY SPONSORED, return spring and trip shaft. This tripping mechanism is driven by motor, can be used for the automatic trip operation of breaker body, can teletype control isolating switch. This isolating switch not only meets the requirement of national grid, also the applicable occasion in intelligent electric energy meter circuit with arrearage automatic brake separating, the auto-reclosing requirement that continues to pay dues. Said structure can realize its function well, but its structure &processes still needs to optimize, such as the problems such as status indicator lamp is easily damaged by pressure, efficiency of assembling is low when status indicator lamp on wiring board welds difficulty, assembling, it is specially in the prior art, normally photodiode is embedded in the middle of base and upper cover, by riveted, base and upper cover are formed one, but owing to diode is electronic devices and components, it is easy to damage under bigger external force effect, thus causes loop obstructed or can not correctly indicate current state. Due to the fixed position that the head of photodiode is fixed on base, two pins are welded on circuit pads, its pin length needs accurate calculation, and when pin needs bending, its precise length is difficult to determine to cause the head of diode to be difficult to the fixed position being embedded on base. In addition, owing to two pin-pitch are very little, for avoiding short circuit between two pins, needing before welding pin is put insulation covering, this will reduce welding efficiency greatly.
Practical novel content
For this reason, technical problem to be solved in the utility model is to propose a kind of compact construction, and on wiring board, status indicator lamp welding easily, is not easily damaged by pressure during assembling, maintenance and change also more convenient, switch state indicating device efficiently.
For solving the problems of the technologies described above, the utility model provides a kind of switch state indicating device, comprise housing, the wiring board being arranged in housing, with the patch light-emitting diode that described wiring board is electrically connected, and the optical transport that described patch light-emitting diode sends is derived the light guide structure outside described housing.
Above-mentioned switch state indicating device, described housing comprises the base and upper cover that removably connect, and wherein said wiring board is fixed on base.
Above-mentioned switch state indicating device, described patch light-emitting diode is directly welded on circuit pads.
Above-mentioned switch state indicating device, described housing forms through hole, described light guide structure comprises the transparent display cover body being arranged in described through hole, and one end communicates with described display cover body, the other end light that described patch light-emitting diode sends is gathered guiding described display cover body lead light beam.
Above-mentioned switch state indicating device, described in lead light beam, towards one end of described patch light-emitting diode, there are two mutually perpendicular two planes, described LEDs is positioned at the space that two planes surround. .
Above-mentioned switch state indicating device, described housing and described lead also to be provided with between light beam lead the spacing spacing structure of light beam to described.
Above-mentioned switch state indicating device, described spacing structure comprises the card groove being molded in described inner walls, and the spacing card hoop led described in being arranged on light beam, enters described card groove by described spacing card hoop card and leads light beam location by described.
Above-mentioned switch state indicating device, described in lead light beam be that light beam led by transparent plastics.
Above-mentioned switch state indicating device, it is preferable that, light beam led by described transparent plastics is that PC leads light beam or PMMA leads light beam.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. in reclosing module, it usually needs a photodiode indicates the control level state of electric energy table. In the prior art, normally photodiode is embedded in the middle of base and upper cover, by riveted, base and upper cover is formed one, but due to diode be electronic devices and components, it is easy to damage under bigger external force effect, thus causes loop obstructed or can not correctly indicate current state. Due to the fixed position that the head of photodiode is fixed on base, two pins are welded on circuit pads, its pin length needs accurate calculation, and when pin needs bending, its precise length is difficult to determine to cause the head of diode to be difficult to the fixed position being embedded on base. In addition, owing to two pin-pitch are very little, for avoiding short circuit between two pins, needing before welding pin is put insulation covering, this will reduce welding efficiency greatly. The utility model adopts LEDs to substitute traditional photodiode, and this light emitting diode is paster components and parts, and volume is little, convenient welding, can directly be welded on circuit pads, it is not necessary to calculate pin length, welding efficiency height, and principle is unique novel.
2. the utility model adopts light guide structure to be light transmission component, lead light beam one end to communicate with described display cover body, the light that described patch light-emitting diode sends is gathered the described display cover body of guiding by the other end, and to lead light beam be moulded plastics part, cost is low, easy to assembly, and part during riveted, can not be damaged.
3. lead without the need to linking together between light beam and LEDs described in, only need to lead light beam, towards one end of described patch light-emitting diode, there are two mutually perpendicular two planes, and described LEDs is positioned at the space that two planes surround., therefore simple and reliable process, operational reliability height.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model and by reference to the accompanying drawings, the utility model is described in further detail.
Fig. 1 is the cross-sectional view of switch state indicating device of the present utility model;
Fig. 2 is that light beam of leading described in the utility model installs position view;
Fig. 3 be the utility model in running order time, described leads light beam and LEDs partial enlargement schematic diagram;
Fig. 4 described in the utility model leads light beam structural representation.
Reference numeral wherein represents: 1 is base; 2 is light guide structure; 3 is LEDs; 4 is wiring board; 5 is upper cover; 6 is switch front; 21 for leading light beam upper end; 22 for leading the lower end of light beam; 23 is spherule (display cover body); 24 for leading the spacing card hoop of light beam; 25 for leading light beam.
Embodiment
Below in conjunction with accompanying drawing, switch state indicating device of the present utility model is further described:
Embodiment 1
As shown in Fig. 1,2,3 and 4, switch state indicating device of the present utility model comprises housing, the wiring board 4 being arranged in housing, with the patch light-emitting diode 3 that described wiring board 4 is electrically connected, and derives the light guide structure outside described housing by the optical transport that described patch light-emitting diode 3 sends.
Such scheme is core scheme of the present utility model; by patch light-emitting diode 3 is arranged in housing; and optical transport patch light-emitting diode 3 sent by light guide structure is to outside housing; the function of instruction can not only be realized; and be placed on the wiring board in housing due to patch light-emitting diode 3, convenient welding, when this external housing assembles; can not be damaged by pressure, it is possible to the protection obtained.
Install in order to convenient, it is preferable that described housing comprises the base 1 and upper cover 5 that removably connect, and wherein said wiring board 4 is fixed on base 1.
Wherein, described patch light-emitting diode 3 is paster components and parts, is directly welded on the pad of wiring board 4.
Described housing forms through hole, this through hole is the shaping front of switch in fig. 26 usually, described light guide structure comprises the transparent display cover body being arranged in described through hole, lead light beam, wherein lead light beam upper end 21 to communicate with described display cover body, lead the lower end of light beam 22 light that described patch light-emitting diode 3 sends is gathered guiding described display cover body lead light beam. Display cover body is typically designed to spherule 23.
The structure leading light beam has multiple, in the present embodiment, the structure leading light beam described in preferably is: described in lead light beam, towards one end of described patch light-emitting diode, there are two mutually perpendicular two planes, described LEDs is positioned at the space that two planes surround. Leading the lower end of light beam 22 and have two mutually perpendicular planes, when described patch light-emitting diode 3 is lit, through leading light beam lower end 22 liang of planes, its light enters that to lead light beam 25 inner, along leading light beam 25 onwards transmission, arrive spherule 23 above; When control signal is 0V, photodiode 3 extinguishes, and enters that to lead light beam 25 inner without light via leading light beam lower end 22 liang of planes, thus completes the instruction of the control level state of current electric energy table.
Further, in order to prevent leading light beam 25 rocking in housing, described housing and described lead also to be provided with between light beam 25 lead the spacing spacing structure of light beam 25 to described.In the present embodiment, it is preferable that described spacing structure comprises the card groove being molded in described inner walls, and the spacing card hoop 24 led described in being arranged on light beam 25, blocked by described spacing card hoop 24 and into described card groove, described light beam 25 of leading is located.
In order to ensure the effective of light transmission, described in lead light 25 for transparent plastics and lead light beam. Lead light beam 25 described in preferably and lead light beam for PC or PMMA leads light beam.
Obviously, above-described embodiment is only for example is clearly described, and not to the restriction of the mode of enforcement. For those of ordinary skill in the field, can also make other changes in different forms according to the purposes of state indicating device on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. And the apparent change thus extended out or variation are still among the protection domain of the utility model creation.
Claims (9)
1. a switch state indicating device, it is characterised in that: comprising:
Housing, the wiring board being arranged in housing, with the patch light-emitting diode that described wiring board is electrically connected, and derives the light guide structure outside described housing by the optical transport that described patch light-emitting diode sends.
2. switch state indicating device according to claim 1, it is characterised in that: described housing comprises the base and upper cover that removably connect, and wherein said wiring board is fixed on base.
3. switch state indicating device according to claim 2, it is characterised in that:
Described patch light-emitting diode is directly welded on circuit pads.
4. switch state indicating device according to claim 1, it is characterised in that:
Described housing forms through hole, described light guide structure comprises the transparent display cover body being arranged in described through hole, and one end communicates with described display cover body, the other end light that described patch light-emitting diode sends is gathered guiding described display cover body lead light beam.
5. switch state indicating device according to claim 4, it is characterised in that: described in lead light beam, towards one end of described patch light-emitting diode, there are two mutually perpendicular two planes, described LEDs is positioned at the space that two planes surround.
6. switch state indicating device according to claim 4 or 5, it is characterised in that: described housing and described lead also to be provided with between light beam lead the spacing spacing structure of light beam to described.
7. switch state indicating device according to claim 6, it is characterized in that: described spacing structure comprises the card groove being molded in described inner walls, and the spacing card hoop led described in being arranged on light beam, enter described card groove by described spacing card hoop card and lead light beam location by described.
8. switch state indicating device according to claim 6, it is characterised in that:
Described light beam of leading is that light beam led by transparent plastics.
9. switch state indicating device according to claim 8, it is characterised in that:
Light beam led by described transparent plastics is that PC leads light beam or PMMA leads light beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058780.XU CN205303233U (en) | 2016-01-21 | 2016-01-21 | On off state indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058780.XU CN205303233U (en) | 2016-01-21 | 2016-01-21 | On off state indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303233U true CN205303233U (en) | 2016-06-08 |
Family
ID=56430220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620058780.XU Active CN205303233U (en) | 2016-01-21 | 2016-01-21 | On off state indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303233U (en) |
-
2016
- 2016-01-21 CN CN201620058780.XU patent/CN205303233U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |