CN101728120B - Dual temperature sensing cutoff circuit protective device - Google Patents
Dual temperature sensing cutoff circuit protective device Download PDFInfo
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- CN101728120B CN101728120B CN2008101676266A CN200810167626A CN101728120B CN 101728120 B CN101728120 B CN 101728120B CN 2008101676266 A CN2008101676266 A CN 2008101676266A CN 200810167626 A CN200810167626 A CN 200810167626A CN 101728120 B CN101728120 B CN 101728120B
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Abstract
The invention discloses a dual temperature sensing cutoff circuit protective device. Two independently-operating temperature sensing cutoff devices, i.e. a thermal induction tripping device and a hot melting breaking device, are arranged between two terminals of a circuit loop; the cutoff is realized by the deformation by being heated and reverse bending tripping of a contact spring of the thermal induction tripping device under the condition that the current is overloaded, the circuit is overheated or the ambient temperature is overhigh; or because the current is overloaded, the circuit is overheated or the ambient temperature is overhigh, when the thermal induction tripping device has no reaction and slow reaction or repeated cutoff and electrifying, and the temperature of the circuit loop continuously rises, the cutoff can be realized after the easily-melt alloy of the hot melting breaking device is melt and broken by being heated to form an open circuit of the circuit loop. The two independently-operating temperature breaking devices respectively and independently sense the temperature, have dual temperature sensing breaking functions and enable the circuit to be cut off in a short time, be electrified again or completely cut off so as to avoid the danger caused by the circuit overheat or short circuit.
Description
Technical field
The present invention relates to a kind of circuit protection device, relate in particular to a kind of circuit protection device of double-temperature-sensing cut-off
Background technology
Electrification is that modern humans society can not the missing link, and various electric equipment products and equipment is around arround the life, especially computerization, informationalized industry, at home, traffic, education, amusement or the like, do not have electricity especially and do not become.Relative, the electricity consumption that makes of safety also is that the modern have to be cautious.
In general, in the integrated circuit loop that electricity is provided, be provided with the master switch of power supply control, usually master switch is the state of energising (ON), fuse or circuit breaker are set on it, when the electrical equipment that uses in the circuit loop too much causes situations such as current overload or short circuit, circuit be overheated, blown fuse or circuit breaker escape and form (OFF) state that opens circuit in integrated circuit loop.
In addition, in the integrated circuit loop, each other circuit loop arranged again, establish the switch of control in the circuit loop in addition again, this switch mainly is to carry out energising (ON) and outage (OFF) two kinds of actuating travels of current circuit out of the ordinary, for strengthening the fail safe of electricity consumption, many switches also have the function of current overload automatic escape outage when overheated, avoid the fuse in integrated circuit loop when current overload or circuit breaker real time reaction not to cut off the power supply or escape, and the danger that electric wire cocks off takes place.
Except aforementioned integrated circuit loop and circuit loop out of the ordinary; utilize fuse; the overheated automatic escape of the current overload of circuit breaker and switch; outside the cut-off structure; the single electronics of part; electric equipment products; for example: higher-priced electronic product; the electric heating appliance that the information equipment of deal with data or power consumption are higher etc.; also distinctly be provided with the circuit protection device of temperature-sensing cut-off device; use this single electronics of protection; electric equipment products; in this single electronics; the current overload of electric equipment products own; when circuit is overheated; induction in real time and cutting off the power supply; avoid burning product itself; can avoid because of single electronics simultaneously; the problem of electric equipment products and cause each other circuit loop; the current overload in integrated circuit loop; overheating conditions causes circuit loop; the problem that other power consumption equipment in the integrated circuit loop can't operate.
Be used in the existing temperature-sensing cut-off protector of single electronic product, as depicted in figs. 1 and 2, one contact flat spring 101 is set in circuit, this contact flat spring 101 is made as bending, bounces in being heated back distortion and back-flexing, and an end of contact flat spring fixedly is mounted on the first terminal 102, the other end of contact flat spring 101 is a free end, the free end group is established first conductiving point 103, establishes second conductiving point, 105, the second conductiving points 105 corresponding to first conductiving point 103 in second terminal, 104 fixing groups in addition; During enforcement, contact flat spring 101 keeps the direction bending to second terminal 104, the circuit communication state that second conductiving point 105 of contact flat spring 101 free-ended first conductiving points 103 and second terminal 104 is kept in touch, as shown in Figure 1; When current overload, contact flat spring 101 temperature distortions and back-flexing and bounce make contact flat spring 101 free-ended first conductiving points 103 separate with second conductiving point 105, become the state of circuitry cuts (OFF), as shown in Figure 2, can guarantee that the circuit of electronic product own avoids burning.Yet the shortcoming of existing temperature-sensing cut-off protector is:
When (a) making contact flat spring 101, and thickness, flexibility and the architectural characteristic that can't guarantee each sheet contact flat spring 101 are identical, so be difficult to effectively control contact flat spring 101 in the reaction temperature value of back distortion and back-flexing spring of being heated, the temperature value error of setting induction is bigger.
(b) contact flat spring 101 is not high in the acuity of be heated back distortion and back-flexing spring, can't in time bring into play the protection of this electronic product when overload is overheated.
(c) contact flat spring 101 escape outage in real time or escape are incomplete, make circuit still be current conductive state, and circuit continues overheated and causes the danger of this electronic product and integrated circuit.
When the current overload circuit is overheated, if contact flat spring 101 is half escape state, rebound "on" position more again when contact flat spring 101 coolings, the formation spark that continues to switch on repeatedly, cuts off the power supply causes danger; And the electronics in the overall current loop, electric equipment cause the electric current instability because of switching on repeatedly, cutting off the power supply, and cause when machine or can't normal operation, shorten useful life, even infringement fully.
Summary of the invention
The invention reside in the existing temperature-sensing cut-off protector of solution only has one to be the escape breaker device of temperature sense with the contact flat spring; can't effectively set the temperature sensor value of an outage; and; when current overload is overheated; if contact flat spring escape, escape in real time is incomplete or can't escape the time; circuit continues conducting or switches on repeatedly, cuts off the power supply and produce spark; cause the electric current instability cause electronic product work as machine, can't normal operation or shorten useful life, the variety of issue of infringement fully even.
In order to address the above problem, the invention provides a kind of circuit protection device of double-temperature-sensing cut-off, include a lid, a thermoinduction tripping device, a thermal cutout device, reach a pedestal;
This lid is for conductive material and connect a first terminal;
This thermoinduction tripping device comprises a contact flat spring, a conductive connection part; This contact flat spring is a rubber-like metal lamellar body, it forms the curved arc shape, can beat to the two side faces of lamellar body, can be out of shape back-flexing when contact flat spring is heated and bounces to the another side, one end secure bond of contact flat spring is in aforementioned lid, and the free end group of contact flat spring is established first conductiving point; This conductive connection part is an en plaque, and its upper side is provided with one second conductiving point, and this second conductiving point is corresponding to aforesaid first conductiving point;
This thermal cutout device comprises an electric conductor, a fusible alloy, one second terminal; This electric conductor is an elastomer, the one end fixedly contacts and electrical communication with the conductive connection part of aforementioned hot induction tripping device, the other end of electric conductor is a free end, be not subjected under the state of external force, the free end of the electric conductor state that keeps down, the free end of electric conductor is the state that separates with second terminal; This fusible alloy engages aforementioned electric conductor free end and second terminal and forms and is electrically connected, and the free end of electric conductor is accumulated the elastic force of separating with second terminal;
This pedestal is provided with one and is installed in groove; Aforesaid conductive connection part, electric conductor and fusible alloy embedding group are in being installed in groove;
At general state, first conductiving point and second conductiving point of the contact flat spring of this thermoinduction tripping device keep in touch, and form the circuit loop connected state; In current overload, circuit is overheated or the ambient temperature used when too high, the contact flat spring of this thermoinduction tripping device is heated and is out of shape the back-flexing escape, first conductiving point is separated with second conductiving point, make circuit become off state, and after the contact flat spring cooling, be out of shape back-flexing once again and beat, first conductiving point contacts with second conductiving point, forms the connected state again of circuit;
Further, at current overload, circuit is overheated or the ambient temperature used is crossed under the high state, if this thermoinduction tripping device is failed in real time or can't escape and when cutting off the power supply, the fusible alloy of this thermal cutout device continues to be heated and continues to heat up, after arriving the temperature of setting, fusible alloy fusing, the elastic force that electric conductor is accumulated with itself makes free end separate with second terminal, forms the complete off-position of circuit loop.
The contact flat spring of described thermoinduction tripping device is the composition metal thin slice.
The electric conductor of described thermal cutout device generally is a resilient sheet-like body.
The fusible alloy of described thermal cutout device is with external force punching press end, and two ends of fusible alloy expand outwardly and shorten, and the free end of this electric conductor and second terminal are in contact with one another, and formation is electrically connected;
Second terminal is for maintaining static, and the free end of electric conductor is pulled to second terminal by fusible alloy, makes the free end of electric conductor accumulate the elastic force of separating with second terminal.
The fusible alloy of described thermal cutout device connects the free end and second terminal of this electric conductor with welding manner, and formation is electrically connected.
The free end of the electric conductor of described thermal cutout device is established a joint, and this second terminal is established a joint; Connect the joint of the free-ended joint of this electric conductor and second terminal and form with fusible alloy and be electrically connected.
Described pedestal side is established a clip slot, and this second terminal fixed clamp is in the clip slot of pedestal.
The circuit protection device of a kind of double-temperature-sensing cut-off of the present invention; its beneficial effect is by two temperature sense trippers independently; when current overload or circuit are overheated; can independent separately temperature sensor; make circuit loop cut off the power supply fully (OFF); have the dual temperature sense effect that opens circuit, guarantee Electrical Safety.
When current overload, circuit is overheated or ambient temperature when too high; earlier by the contact flat spring temperature distortion back-flexing escape of thermoinduction tripping device cut off the power supply (OFF); need not to utilize that the meltable block of thermal cutout device is cracked reaches circuit loop outage (OFF); so can get rid of circuit loop overload factor; after contact flat spring cools, be returned to the state of energising (ON) again, the still sustainable use of circuit protection device; need not new clothes one circuit brake, save time and reduce user's expenditure.
When current overload or circuit overheated; reactionless or the reaction of thermoinduction tripping device not as good as or outage (OFF) repeatedly, energising (ON) and when making temperature and continue rising; then further by the fusible alloy of the thermal cutout device characteristic persistently overheating, fusing that is bound to of being heated; when fusible alloy arrives the design temperature critical value, melt disconnected; make circuit loop open circuit fully (OFF); guarantee safety utilization of electric power, in order to the various electrical appliances in the protective circuit loop.
Description of drawings
Fig. 1 is the assembled sectional view of temperature-sensing cut-off protector in the prior art, has shown the state of the conducting (ON) of temperature-sensing cut-off protector in the prior art.
Fig. 2 is the assembled sectional view of temperature-sensing cut-off protector in the prior art, has shown the state of the escape outage (OFF) of temperature-sensing cut-off protector in the prior art.
Fig. 3 is the three-dimensional exploded view of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off.
Fig. 4 is the three-dimensional combination figure of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off.
Fig. 5 is not for the circuit protection device of embodiment of the invention double-temperature-sensing cut-off adds the schematic top plan view of lid, shown the state of conducting (ON) of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off.
Fig. 6 is the assembled sectional view of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off, has shown the state of conducting (ON) of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off.
Fig. 7 is the assembled sectional view of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off, has shown escape outage (OFF) signal of general state of the circuit protection device of embodiment of the invention double-temperature-sensing cut-off.
Fig. 8 does not add the schematic top plan view of lid for the circuit protection device of embodiment of the invention double-temperature-sensing cut-off; the circuit protection device that has shown originally the inventive embodiments double-temperature-sensing cut-off is when current overload; the thermoinduction tripping device is timely escape or can't the escape outage time; the fusible alloy of thermal cutout device is heated and fusion, fracture, forms cut off the power supply the fully signal of (OFF) of circuit loop.
Embodiment
For disclosing purpose of the present invention, feature and effect in detail, by following preferable specific embodiment, cooperate appended graphicly, the present invention is described in detail as the back:
To shown in Figure 6, be three-dimensional exploded view, the three-dimensional combination figure of the embodiment of the invention, the schematic top plan view that does not add lid, assembled sectional view as Fig. 3.The circuit protection device of a kind of double-temperature-sensing cut-off of the present invention includes a lid 10, a thermoinduction tripping device 20, a thermal cutout device 30, reaches a pedestal 40; Wherein,
This lid 10 is for conductive material and connect a first terminal 11.
This thermoinduction tripping device 20 comprises a contact flat spring 21, a conductive connection part 22; This contact flat spring 21 is a rubber-like metal lamellar body, it forms the curved arc shape, can beat to the two side faces of lamellar body, can be out of shape back-flexing when contact flat spring 21 is heated and bounce to the another side, this contact flat spring 21 can be the composition metal thin slice, one end secure bond of contact flat spring 21 is in the inboard of aforementioned lid 30, and the free end group of contact flat spring 21 is established first conductiving point 211; This conductive connection part 22 is an en plaque generally, and its upper side is provided with one second conductiving point 221, and this second conductiving point 221 is corresponding to aforesaid first conductiving point 211.Conductive connection part 22 is provided with a gap slot 222, and other is provided with at least one combined hole 223.
This thermal cutout device 30 comprises an electric conductor 31, a fusible alloy 32, one second terminal 33; The elastomer of this electric conductor 31 for having favorable elasticity power, the electric conductor 31 in the present embodiment generally is a resilient sheet-like body; Electric conductor 31 1 ends (left end) side extends at least two lugs 310,310 of this lugs form a clip slot 311, lug 310 fixedly contacts and electrical communication with the conductive connection part 22 of aforementioned hot induction tripping device 20, the other end of electric conductor 31 is a free end 312, this free end is established a joint 313, in the present embodiment, this joint 313 is a perforation, can certainly be a breach.Be not subjected under the state of external force, the free end 312 of electric conductor 31 state that keeps down promptly is that the free end 312 of electric conductor 31 is the state that separates with second terminal 33; This fusible alloy 32 generally is an elongate body; This second terminal 33 is established a joint 331, and in the present embodiment, this joint 331 is a perforation, can certainly be a breach.Fusible alloy 32 connects the joint 313 of aforementioned electric conductor 31 free ends 312 and the joint 331 of second terminal 33, and the free end 312 of electric conductor 31 and 33 formation of second terminal are electrically connected.In the present embodiment,, two ends of fusible alloy 32 are expanded outwardly and shorten, force the joint 313 of electric conductor 31 and the joint 331 of second terminal 33 to be in contact with one another and to be electrically connected with the end of external force punching press fusible alloy 32; Also can utilize welding manner, the joint 331 that fusible alloy 32 is welded in the joint 313 of this electric conductor 31 and second terminal 33 forms and is electrically connected.Because second terminal 33 is for maintaining static, the free end 312 of electric conductor 31 is pulled to second terminal 33 by Gansu Province by fusible alloy 32, and the free end 312 that makes electric conductor 31 is accumulated the elastic force that one separates with second terminal 33, when losing the engaging force of fusible alloy 32, the free end 312 of electric conductor 31 promptly can separate with second terminal 33 with the elastic force of accumulating.
This pedestal 40 is provided with one and is installed in groove 41, and this is installed in establishes a nose bar 42, a protuberance 43 in the groove 41, and pedestal 40 sides are established a clip slot 44.
During assembling, with reference to figure 5, the gap slot 222 of this conductive connection part 22, the corresponding respectively pedestal 40 of combined hole 223 are installed in protuberance 43, the nose bar 42 of groove 41, in addition, this is installed in the protuberance 43 of groove 41 the clip slot 311 corresponding clampings that two lugs of electric conductor 31 are 310, make conductive connection part 22, electric conductor 31 embedding groups in being installed in groove 41, second terminal, 33 fixed clamp are in the clip slot 44 of pedestal 40.
The present invention is under general state, the bending that keeps down of the contact flat spring 21 of this thermoinduction tripping device 20, first conductiving point 211 of contact flat spring 21 and second conductiving point 221 of conductive connection part 22 are kept in touch, form electric current by the first terminal 11 circuit loop connection (ON) state, as shown in Figure 5 and Figure 6 via lid 10, contact flat spring 21, first conductiving point 211, second conductiving point 221, conductive connection part 22, lug 310, electric conductor 31, free end 312, fusible alloy 32 to second terminals 33.
General state, in current overload, circuit is overheated or the ambient temperature used when too high, this thermoinduction tripping device 20 can produce temporary escape, outage (OFF), and after temperature descends, automatically replies and form circuit communication (ON); That is, the contact flat spring 21 of thermoinduction tripping device 20 is heated and is out of shape back-flexing (making progress) escape, and first conductiving point 211 is separated with second conductiving point 221, circuit is become open circuit (OFF) state, as shown in Figure 7.When temperature descends, after contact flat spring 21 coolings of this thermoinduction tripping device 20, contact flat spring 21 be out of shape once again and back-flexing (downwards) is beated, and first conductiving point 211 is contacted with second conductiving point 221, makes circuit one-tenth connection (ON) state, as shown in Figure 6.
Further, in current overload, when overheated the or ambient temperature of circuit is too high, if the contact flat spring 21 of this thermoinduction tripping device 20 is failed in real time or can't temperature distortion, back-flexing (making progress) escape and when cutting off the power supply (OFF), the fusible alloy 32 of this thermal cutout device 20 is promptly persistently overheating because of continuing to be heated, after arriving the temperature of setting, fusible alloy 32 fusing, in general can form the remaining block 32 ' of at least two released states, as shown in Figure 8, at this moment, lose the connection of fusible alloy 32, the free end 312 of this electric conductor 31 is able to elastic force itself that accumulate, makes free end 312 spring downwards and separates with second terminal 33, forms outage fully (OFF) state of circuit loop, guarantee outage fully (OFF) state of circuit loop, and can not revert back to energising (ON) again.
The present invention is at current overload, when overheated the or ambient temperature of circuit is too high, earlier by the contact flat spring 21 temperature distortion back-flexing escapes of thermoinduction tripping device 20 cut off the power supply (OFF), when thermoinduction tripping device 20 reactionless, too late or the outage (OFF) repeatedly of reaction, when energising (ON) and temperature continue to rise, then further by fusible alloy 32 fusing of thermal cutout device 30, and the elastic force that electric conductor 31 is accumulated with itself forces the free end 312 of electric conductor 31 to separate with second terminal 33, form the outage fully (OFF) of circuit loop, and circuit loop can not revert back to energising (ON) state again.The present invention has two independently temperature-sensing cut-off settings, is a kind of circuit protection device of double-temperature-sensing cut-off, can guarantee the effect of the outage fully (OFF) of circuit loop.
Below the present invention has been done a detailed description, the above only is preferred embodiment of the present invention, when not limiting scope of the invention process.Be that all equalizations of doing according to the present patent application scope change and modify etc., all should still belong in the patent covering scope of the present invention.
Claims (7)
1. the circuit protection device of a double-temperature-sensing cut-off includes a lid, a thermoinduction tripping device, a thermal cutout device, reaches a pedestal; It is characterized in that,
This lid is for conductive material and connect a first terminal;
This thermoinduction tripping device comprises a contact flat spring, a conductive connection part; This contact flat spring is a rubber-like metal lamellar body, it forms the curved arc shape, can beat to the two side faces of lamellar body, can be out of shape back-flexing when contact flat spring is heated and bounces to the another side, one end secure bond of contact flat spring is in aforementioned lid, and the free end group of contact flat spring is established first conductiving point; This conductive connection part is an en plaque, and its upper side is provided with one second conductiving point, and this second conductiving point is corresponding to aforesaid first conductiving point;
This thermal cutout device comprises an electric conductor, a fusible alloy, one second terminal; This electric conductor is an elastomer, the one end fixedly contacts and electrical communication with the conductive connection part of aforementioned hot induction tripping device, the other end of electric conductor is a free end, be not subjected under the state of external force, the free end of the electric conductor state that keeps down, the free end of electric conductor is the state that separates with second terminal; This fusible alloy engages aforementioned electric conductor free end and second terminal and forms and is electrically connected, and the free end of electric conductor is accumulated the elastic force of separating with second terminal;
This pedestal is provided with one and is installed in groove; Aforesaid conductive connection part, electric conductor and fusible alloy embedding group are in being installed in groove;
At general state, first conductiving point and second conductiving point of the contact flat spring of this thermoinduction tripping device keep in touch, and form the circuit loop connected state; In current overload, circuit is overheated or the ambient temperature used when too high, the contact flat spring of this thermoinduction tripping device is heated and is out of shape the back-flexing escape, first conductiving point is separated with second conductiving point, make circuit become off state, and after the contact flat spring cooling, be out of shape back-flexing once again and beat, first conductiving point contacts with second conductiving point, forms the connected state again of circuit;
Further, at current overload, circuit is overheated or the ambient temperature used is crossed under the high state, if this thermoinduction tripping device is failed in real time or can't escape and when cutting off the power supply, the fusible alloy of this thermal cutout device continues to be heated and continues to heat up, after arriving the temperature of setting, fusible alloy fusing, the elastic force that electric conductor is accumulated with itself makes free end separate with second terminal, forms the complete off-position of circuit loop.
2. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 1 is characterized in that, the contact flat spring of described thermoinduction tripping device is the composition metal thin slice.
3. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 1 is characterized in that, the electric conductor of described thermal cutout device is a resilient sheet-like body.
4. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 1, it is characterized in that, the fusible alloy of described thermal cutout device is with external force punching press end, two ends of fusible alloy expand outwardly and shorten, the free end and second terminal of this electric conductor are in contact with one another, and formation is electrically connected;
Second terminal is for maintaining static, and the free end of electric conductor is pulled to second terminal by fusible alloy, makes the free end of electric conductor accumulate the elastic force of separating with second terminal.
5. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 4 is characterized in that, the fusible alloy of described thermal cutout device connects the free end and second terminal of this electric conductor with welding manner, and formation is electrically connected.
6. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 1 is characterized in that, the free end of the electric conductor of described thermal cutout device is established a joint, and this second terminal is established a joint; Connect the joint of the free-ended joint of this electric conductor and second terminal and form with fusible alloy and be electrically connected.
7. the circuit protection device of double-temperature-sensing cut-off as claimed in claim 1 is characterized in that, described pedestal side is established a clip slot, and this second terminal fixed clamp is in the clip slot of pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101676266A CN101728120B (en) | 2008-10-21 | 2008-10-21 | Dual temperature sensing cutoff circuit protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101676266A CN101728120B (en) | 2008-10-21 | 2008-10-21 | Dual temperature sensing cutoff circuit protective device |
Publications (2)
| Publication Number | Publication Date |
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| CN101728120A CN101728120A (en) | 2010-06-09 |
| CN101728120B true CN101728120B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101676266A Expired - Fee Related CN101728120B (en) | 2008-10-21 | 2008-10-21 | Dual temperature sensing cutoff circuit protective device |
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| Country | Link |
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| CN (1) | CN101728120B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023247398A1 (en) * | 2022-06-21 | 2023-12-28 | Signify Holding B.V. | Overload protection in an electronic device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047492B (en) * | 2015-06-23 | 2018-01-16 | 上海神沃电子有限公司 | Overtemperature protector |
| CN109638532B (en) * | 2018-11-06 | 2022-06-17 | 九阳股份有限公司 | Short-circuit-proof electric connector |
| CN116131037B (en) * | 2023-02-24 | 2023-10-20 | 深圳市振欢电子有限公司 | Explosion-proof type power adapter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032088A (en) * | 1987-09-18 | 1989-03-29 | 东部电气株式会社 | Protector |
| CN1661748A (en) * | 2004-02-24 | 2005-08-31 | 株式会社生方制作所 | Protector of electric compressor |
| CN1747098A (en) * | 2004-09-07 | 2006-03-15 | 游聪谋 | Protector of inductive circuit with dual-temperature |
-
2008
- 2008-10-21 CN CN2008101676266A patent/CN101728120B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032088A (en) * | 1987-09-18 | 1989-03-29 | 东部电气株式会社 | Protector |
| CN1661748A (en) * | 2004-02-24 | 2005-08-31 | 株式会社生方制作所 | Protector of electric compressor |
| CN1747098A (en) * | 2004-09-07 | 2006-03-15 | 游聪谋 | Protector of inductive circuit with dual-temperature |
Non-Patent Citations (2)
| Title |
|---|
| JP平7-147121A 1995.06.06 |
| JP平9-92109A 1997.04.04 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023247398A1 (en) * | 2022-06-21 | 2023-12-28 | Signify Holding B.V. | Overload protection in an electronic device |
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| Publication number | Publication date |
|---|---|
| CN101728120A (en) | 2010-06-09 |
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