CN201359269Y - Security protection structure of lamp capacitor - Google Patents
Security protection structure of lamp capacitor Download PDFInfo
- Publication number
- CN201359269Y CN201359269Y CNU2009201429574U CN200920142957U CN201359269Y CN 201359269 Y CN201359269 Y CN 201359269Y CN U2009201429574 U CNU2009201429574 U CN U2009201429574U CN 200920142957 U CN200920142957 U CN 200920142957U CN 201359269 Y CN201359269 Y CN 201359269Y
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- capacitor
- protection structure
- lamp capacitor
- safety protection
- utility
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Abstract
The utility model discloses a security protection structure of a lamp capacitor, which is installed on the lamp capacitor (1); the lamp capacitor (1) comprises capacitor elements, sealed case and a capacitor end cover (4), wherein the security protection structure of the lamp capacitor is provided with a discharge protection structure which is provided with a discharge resistor (3); and the discharge resistor (3) is arranged in the capacitor end cover (4). By adopting the technical proposal, alternating voltage applied on the capacitor is reduced from the peak to below 50V in a set time by the discharge protection structure, thereby guaranteeing the use security and reliability of products; in addition, in order to prevent over-current in the using process, a low melting point alloy type temperature fuse wire acts when the capacitor is led to reach a certain temperature by an over-current protection structure so as to form an open circuit state, thus guaranteeing the use security and reliability of products.
Description
Technical field
The utility model belongs to the technical field of electronic product, relates to the capacitor that light fixture is used, and more particularly, the utility model relates to a kind of safety protection structure of lamp capacitor.
Background technology
The capacitor that is adopted on the light fixture is for the power factor that improves light fixture, as the compensation condenser of light fixture product.
Capacitor is a kind of electric elements that can store electrical energy, and when it was separated from from circuit, capacitor itself was still charged.Be unsafe to the user in this case.
Present employed lamp capacitor is a pure capacitor, without any safeguard measure and safeguard function.That is to say does not have discharge resistance that the capacitor that has broken away from circuit is reduced to safe voltage from crest voltage.In addition, general lamp capacitor does not have the temperature fuse to reach the effect of overcurrent protection yet.So there is multiple unsafe factor prior art in it.
The utility model content
Problem to be solved in the utility model provides a kind of safety protection structure of lamp capacitor, its objective is in order to realize that capacitor plays the effect of safeguard protection when circuit breaks away from.
To achieve these goals, the technical scheme taked of the utility model is:
The safety protection structure of this lamp capacitor provided by the utility model; be located on the described lamp capacitor; described lamp capacitor comprises core group, can and capacitor end cap; be provided with the discharge prevention structure in the safety protection structure of described lamp capacitor; establish discharge resistance in the described discharge prevention structure, described discharge resistance is located in the described capacitor end cap.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
The structure of described discharge resistance is a tack resistance, and two conductive electrode is locked with the tight sheet of rubber-like resistor lock.
Described resistance stay is a copper sheet.
In the safety protection structure of described lamp capacitor over-current protection structure is set, establishes the low melting point fuse in the described over-current protection structure, the low melting point fuse, described low melting point fuse is located on the circuit of described lamp capacitor electrode.
Described low melting point fuse is a low-melting alloy type temperature fuse.
The utility model adopts technique scheme, realizes duplicate protection, that is: the alternating voltage that makes capacitor will put on it at the appointed time by the discharge prevention structure is reduced to below the 50V from peak value, thereby guarantees security and reliability that product uses; In addition, in order in use to prevent overcurrent, by over-current protection structure, when making it reach certain temperature, the action of low-melting alloy type temperature fuse forms open-circuit condition, thereby guarantees security and reliability that product uses.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is the over-current protection structure schematic diagram in the utility model.
Fig. 2 is the vertical view of structure shown in Figure 1, i.e. discharge prevention structural representation in the utility model;
Be labeled as among the figure:
1, lamp capacitor, 2, the low melting point fuse, 3, discharge resistance, 4, the capacitor end cap, 5, the resistance stay, 6, patchhole.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1, Fig. 2 is a kind of safety protection structure of lamp capacitor, is located on the described lamp capacitor 1, and described lamp capacitor 1 comprises core group, can and capacitor end cap 4.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize that capacitor plays the goal of the invention of the effect of safeguard protection when circuit breaks away from, the technical scheme that the utility model is taked is:
As shown in Figure 2, be provided with the discharge prevention structure in the safety protection structure of this lamp capacitor provided by the utility model, establish discharge resistance 3 in the described discharge prevention structure, described discharge resistance 3 is located in the described capacitor end cap 4.Discharge resistance 3 connects by the patchhole on the capacitor end cap 46.
The purpose of said structure is for the discharge by discharge resistance 3, makes lamp capacitor 1 at the appointed time, the alternating voltage that puts on it is reduced to below the 50V from peak value, thereby guarantee security and the reliability that product uses.
Be concrete exemplifying embodiment of the present utility model below, when implementing the utility model, those skilled in the art can select to use:
Embodiment one:
The structure of discharge resistance 3 described in the utility model is a tack resistance, and two conductive electrode is locked with the tight sheet 5 of rubber-like resistor lock.
Inside configuration of the present utility model is parallel with discharge resistance 3, is placed in the capacitor end cap 4, and two conductive electrodes of discharge resistance 3 are guaranteed it in use by good resistance stay 5 lockings of elasticity, can not unclamp.
Embodiment two:
Resistance stay 5 described in the utility model is a copper sheet.
Copper sheet is as stay, and it has better elastic and electric conductivity.
Embodiment three:
As shown in Figure 1; in the safety protection structure of lamp capacitor described in the utility model over-current protection structure is set; establish low melting point fuse 2 in the described over-current protection structure, low melting point fuse 2, described low melting point fuse 2 is located on the circuit of described lamp capacitor 1 electrode.
Internal series-connection of the present utility model has low melting point fuse 2, and purpose is in order to prevent overcurrent in the process of using.If overcurrent is arranged, then the temperature of low melting point fuse 2 rises, and when low melting point fuse 2 reached certain temperature, temperature fuse action fusing formed open-circuit condition, thereby guarantees security and reliability that product uses.
Embodiment four:
Low melting point fuse 2 described in the utility model is a low-melting alloy type temperature fuse.
Low-melting alloy type temperature fuse conducts electricity very well when having the low temperature of leading, swift characteristics fuse when high temperature.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (5)
1, a kind of safety protection structure of lamp capacitor; be located on the described lamp capacitor (1); described lamp capacitor (1) comprises core group, can and capacitor end cap (4); it is characterized in that: be provided with the discharge prevention structure in the safety protection structure of described lamp capacitor; establish discharge resistance (3) in the described discharge prevention structure, described discharge resistance (3) is located in the described capacitor end cap (4).
2, according to the safety protection structure of the described lamp capacitor of claim 1, it is characterized in that: the structure of described discharge resistance (3) is a tack resistance, and two conductive electrode is locked with the tight sheet of rubber-like resistor lock (5).
3, according to the safety protection structure of the described lamp capacitor of claim 2, it is characterized in that: described resistance stay (5) is a copper sheet.
4, according to the safety protection structure of claim 1 or 2 or 3 described lamp capacitors; it is characterized in that: in the safety protection structure of described lamp capacitor over-current protection structure is set; establish low melting point fuse (2) in the described over-current protection structure, described low melting point fuse (2) is located on the circuit of described lamp capacitor (1) electrode.
5, according to the safety protection structure of the described lamp capacitor of claim 4, it is characterized in that: described low melting point fuse (2) is a low-melting alloy type temperature fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201429574U CN201359269Y (en) | 2009-02-05 | 2009-02-05 | Security protection structure of lamp capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201429574U CN201359269Y (en) | 2009-02-05 | 2009-02-05 | Security protection structure of lamp capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359269Y true CN201359269Y (en) | 2009-12-09 |
Family
ID=41425033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201429574U Expired - Fee Related CN201359269Y (en) | 2009-02-05 | 2009-02-05 | Security protection structure of lamp capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359269Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280382A (en) * | 2015-11-04 | 2016-01-27 | 铜陵市佳龙飞电容器有限公司 | Built-in capacitor connected in parallel with resistor |
| CN110912084A (en) * | 2018-09-17 | 2020-03-24 | 维谛技术有限公司 | Filter capacitor protection method and device and converter |
-
2009
- 2009-02-05 CN CNU2009201429574U patent/CN201359269Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280382A (en) * | 2015-11-04 | 2016-01-27 | 铜陵市佳龙飞电容器有限公司 | Built-in capacitor connected in parallel with resistor |
| CN110912084A (en) * | 2018-09-17 | 2020-03-24 | 维谛技术有限公司 | Filter capacitor protection method and device and converter |
| CN110912084B (en) * | 2018-09-17 | 2022-02-25 | 维谛新能源有限公司 | Filter capacitor protection method and device and converter |
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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 |
Granted publication date: 20091209 Termination date: 20130205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |