CN1299305C - Electrical condenser - Google Patents
Electrical condenser Download PDFInfo
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- CN1299305C CN1299305C CNB021260575A CN02126057A CN1299305C CN 1299305 C CN1299305 C CN 1299305C CN B021260575 A CNB021260575 A CN B021260575A CN 02126057 A CN02126057 A CN 02126057A CN 1299305 C CN1299305 C CN 1299305C
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Abstract
The present invention relates to a capacitor, more specifically a capacitor with an internally arranged temperature fuse. The present invention is an improved capacitor used in an electric refrigerator. The present invention is composed of a cylinder, a thin film, a temperature fuse and a conducting wire, wherein the thin film is wound on the cylinder; the temperature fuse is arranged inside the thin film and can cut off an electric loop according to the inner heating state; the conducting wire is connected with the thin wall and can cut off voltage when abnormal heating is generated. The present invention adopts a new improved structure, and the temperature fuse is arranged inside the capacitor used in the electric refrigerator; therefore, the present invention can sense overheating caused by abnormality inside the present invention and cut off a power supplying loop. Besides, the present invention has the advantages of accurate judgment and high action speed, and can cut off ignition sources generated in advance because of instant short circuits in the present invention; therefore, the present invention can fundamentally prevent fire accidents caused by the capacitor.
Description
Technical field
The present invention relates to a kind of capacitor, relevantly more precisely the capacitor of Thermal Cutoffs is installed, thereby improved the fail safe of capacitor, prevented the accident generation in the inside of capacitor.
Background technology
Motor all is housed in a lot of electrical equipment, has all used the capacitor of high power capacity in order to improve toggle speed and electric efficiency.Particularly in refrigerator, its compressor electric motor just connects the capacitor that high power capacity has been installed, and it is used for compressor operation and startup.Such capacitor has all adopted electric safety device, but the most of employing of this safety device all is the current mode fuse.
Fig. 1 is the structure view of the prior art capacitor that is used for refrigerator.
Adopt in the refrigerator of prior art employed capacitor be by+terminal 1 and-terminal 3 couples together the outside of capacitor with inner.Above-mentioned two terminals 1,3 connect by two lead 9a, 9b that respectively are connected on the PP film 7.Therefore by above-mentioned lead 9a above-mentioned+terminal 1 is connected on the PP film 7, is connected on above-mentioned-terminal 3 by another root lead 9b again always, just can realize the action that discharges and recharges of voltage thus.
In addition, adopt the capacitor of prior art can the perception superheat state, and be equipped with can be in the inside of capacitor with above-mentioned+terminal 1 and-protective device 5 that terminal 3 cuts off.Above-mentioned protective device 5 is fuses of a kind of current mode.When the voltage of capacitor inside occurs unusual and adstante febre, as shown in Figure 2, protective device 5 can action so that connect lead 9a, the 9b machinery of above-mentioned two terminals 1,3 and disconnect.
Promptly adopt the structure of the capacitor of prior art to be: if its inner voltage is because of increase occurring generating heat unusually in working order; protective device 5 can move under the effect of the temperature that increases so, thereby two terminals 1,3 that are connected with above-mentioned PP film 7 are separated.If the action of above-mentioned capacitor is cut off, the voltage that offers other element by above-mentioned capacitor just is cut off so, just can prevent the security incident of electricity thus.
But the problem that the capacitor that adopts prior art exists is to move needed overlong time in the inner cut-out that realizes electricity of capacitor.Promptly want to realize the cut-out of capacitor electrode, its temperature inside should reach more than the certain value, thereby protective device 5 just moves terminal 1,3 separated under the effect of this temperature that has increased.Therefore adopt the slower problem of reaction speed of the capacitor existence of prior art for the abnormal heating of inside.
In addition, adopt the protective device that capacitor adopted 5 of prior art, therefore can bring the problem of the manufacturing cost increase of capacitor because its terminal is higher.
This shows that the above-mentioned existing capacitor that is used for refrigerator still has many defectives, and the assistant officer waits to be improved.
Because the defective that the above-mentioned existing capacitor that is used for refrigerator exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of capacitor that improves molding structure, can improve general existing on the market conventional molding structure, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that the existing capacitor that is used for refrigerator exists, and a kind of capacitor of new structure is provided, in the inside of its capacitor the Thermal Cutoffs that current supply circuit is in time cut off in the accurately rising of sense temperature is set.
The present invention solves its technical problem underlying and realizes by the following technical solutions.Capacitor according to the present invention's proposition, comprise terminal, lead and film, it is characterized in that on cylinder, being wound with film, be equipped with in the inside of film and be used for cutting off the Thermal Cutoffs in electric loop according to the febrile state of inside, the start-up portion of this film is connected with+terminal by a lead, and a side of this Thermal Cutoffs is connected with-terminal by another root lead, and the opposite side of this Thermal Cutoffs passes through the 3rd lead and is connected with the end portion of this film.
Aforesaid capacitor, wherein Thermal Cutoffs is when the capacitor operate as normal, be in the state that two leads are coupled together, if the work of above-mentioned capacitor occurs when unusual, when the temperature of Thermal Cutoffs institute perception reaches institute's fixed temperature, Thermal Cutoffs meeting automatic disconnection, the state that is connecting two leads simultaneously is destroyed.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, owing to adopt above-mentioned improved new structure, Thermal Cutoffs has been installed in the inside of the capacitor that uses in refrigerator, thus it not only can its inside of perception because of taking place to cause overheated unusually and cutting off current supply circuit.And accuracy of judgement, responsiveness is very fast, can cut off the incendiary source that produces owing to inner instantaneous short circuit in advance, therefore can fundamentally prevent the fire that produces because of capacitor.
In addition, the present invention has used cheap in electronic components such as Thermal Cutoffs, therefore compares its manufacturing cost with the capacitor that adopts prior art and has reduced.
The present invention is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention really has more technological progress than the existing capacitor that is used for refrigerator, and its particular structure feature and more can also be far from the existing capacitor that is used for refrigerator and can compare, the more existing capacitor that is used for refrigerator has more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, quite understand for existing existing problem of capacitor and the defective that is used for refrigerator, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and the more existing true accessory of capacitor that is used for refrigerator has suitable enhancement effect, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the structure view of the prior art capacitor that is used for refrigerator.
Fig. 2 is capacitor that prior art the is used for refrigerator state structure view when realize cutting off power supply.
Fig. 3 is the unitary construction view of capacitor of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
101,103. terminal 107.PP films
109a, 109b, 109c. lead 111. Thermal Cutoffs
113. cylinder
See also shown in Figure 3, capacitor of the present invention generally be twining PP film 107 on the cylinder 113 of plastic material, on above-mentioned PP film 107, connecting again+terminal 101 and-element that uses as electronic component of terminal 103.And above-mentioned+terminal 101 is connected by lead 109a on the start-up portion of above-mentioned PP film 107, and above-mentioned-terminal 103 is connected on the end portion of above-mentioned PP film 107 by lead 109b.
In addition, the present invention is a feature with the inside that Thermal Cutoffs 111 is installed in above-mentioned cylinder 113.Said temperature fuse 111 can sense capacitor inside febrile state and action.Be the febrile state that said temperature fuse 111 can sense capacitor inside, need and to cut off automatically when above when surpassing institute's fixed temperature.Therefore the temperature that makes said temperature fuse 111 produce action needs suitably to adjust according to the characteristic of product.
The both sides of said temperature fuse 111 are connecting lead in the present invention.The lead 109c that at first is connected the one side directly is connected on the end portion of above-mentioned PP film 107, and the opposite side of said temperature fuse 111 is connecting lead 109b.Therefore the lead 109b that is connected on above-mentioned-terminal 103 is connected with another lead 109c by said temperature fuse 111, and is connected with the end portion of PP film 107 thus.
Course of action to the Thermal Cutoffs internally-arranged type capacitor of the present invention that possesses said structure is illustrated below.
At first, the regular event state of capacitor is as described below.Be installed in capacitor temperature inside fuse 111 and when the capacitor regular event, be in the state that two lead 109c, 109b are coupled together.
Therefore from the+electric current that terminal 101 flows into by lead 109a to the conduction of PP film 107 1 sides, again by lead 109c and Thermal Cutoffs 111 and lead 109b be connected to-terminal 103 on.By such electric signal connecting structure just can make by above-mentioned+terminal 101 and-the voltage charge and discharge process of terminal 103 is achieved.
But if the work of above-mentioned capacitor occurs when unusual, normal electric current flows and just can not realize that internal temperature can be in superheat state.At this moment, when the temperature of 111 perception of Thermal Cutoffs has reached institute's fixed temperature, Thermal Cutoffs meeting automatic disconnection, thus its state that is connecting two lead 109b, 109c is destroyed.
When this operate condition occurring, though also keeping the connection of electricity by lead 109a from+terminal 101 to PP films 107 start-up portions, but be in cut state owing to be connected above-mentioned PP film 107 with two lead 109b, 109c between the-terminal 103, so the end portion of PP film 107 is in the cut state of electrical connection.Therefore also just can not constitute the structure that the normal signal of telecommunication connects.
As mentioned above, basic fundamental theory of the present invention is by installing in the inside of capacitor as Thermal Cutoffs etc. can sense temperature and the shearing device that can cut off the electricity supply, makes the capacitor can fast reaction when abnormal operation occurring because of over-heat inside and move.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1, a kind of capacitor, comprise terminal, lead and film, it is characterized in that on cylinder, being wound with film, be equipped with in the inside of film and be used for cutting off the Thermal Cutoffs (111) in electric loop according to the febrile state of inside, the start-up portion of this film is connected with+terminal by a lead (109a), and a side of this Thermal Cutoffs (111) is connected with-terminal by another root lead (109b), and the opposite side of this Thermal Cutoffs (111) passes through the 3rd lead (109c) and is connected with the end portion of this film.
2, capacitor according to claim 1, it is characterized in that said temperature fuse (111) is when the capacitor operate as normal, be in the state that two leads (109b, 109c) are coupled together, if the work of above-mentioned capacitor occurs when unusual, when the temperature of Thermal Cutoffs (111) institute perception reaches institute's fixed temperature, Thermal Cutoffs (111) meeting automatic disconnection, the state that is connecting two leads (109b, 109c) simultaneously is destroyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021260575A CN1299305C (en) | 2002-08-13 | 2002-08-13 | Electrical condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021260575A CN1299305C (en) | 2002-08-13 | 2002-08-13 | Electrical condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1476026A CN1476026A (en) | 2004-02-18 |
| CN1299305C true CN1299305C (en) | 2007-02-07 |
Family
ID=34143204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021260575A Expired - Fee Related CN1299305C (en) | 2002-08-13 | 2002-08-13 | Electrical condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1299305C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001193B (en) * | 2006-01-11 | 2011-08-24 | 华为技术有限公司 | Group broadcast desposition method between IPv6 islet and its equipment |
| CN104779050B (en) * | 2015-04-04 | 2018-06-05 | 佛山市顺德区巨华电力电容器制造有限公司 | A kind of band temperature control detection self-healing low-voltage reactive power compensation capacitor of ellipse |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175713A (en) * | 1987-12-29 | 1989-07-12 | Hitachi Condenser Co Ltd | Capacitor with protection device |
| CN1075902C (en) * | 1996-06-19 | 2001-12-05 | 洪绢欲 | Over-heated fuse cutout for electronic component |
-
2002
- 2002-08-13 CN CNB021260575A patent/CN1299305C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175713A (en) * | 1987-12-29 | 1989-07-12 | Hitachi Condenser Co Ltd | Capacitor with protection device |
| CN1075902C (en) * | 1996-06-19 | 2001-12-05 | 洪绢欲 | Over-heated fuse cutout for electronic component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1476026A (en) | 2004-02-18 |
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Granted publication date: 20070207 |