CN100385594C - Overload protector - Google Patents
Overload protector Download PDFInfo
- Publication number
- CN100385594C CN100385594C CNB2005100029852A CN200510002985A CN100385594C CN 100385594 C CN100385594 C CN 100385594C CN B2005100029852 A CNB2005100029852 A CN B2005100029852A CN 200510002985 A CN200510002985 A CN 200510002985A CN 100385594 C CN100385594 C CN 100385594C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- splicing ear
- shell
- protective device
- overload protective
- 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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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/04—Bases; Housings; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H81/00—Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting
- H01H81/04—Protective switches in which contacts are normally closed but are repeatedly opened and reclosed as long as a condition causing excess current persists, e.g. for current limiting electromagnetically operated
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/005—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention relates to an overload protection device which includes a base plate, a first and a second connection terminals extending to both sides of the base plate with a separation distance between each other, a bimetal disk which is separably connected between the separated first and second connection terminals for electrically connecting between the terminal and a cover housing for storing part of the connection terminal and the bimetal disk.
Description
Technical field
The present invention relates to a kind of overload protective device; more particularly; the present invention relates to following overload protective device; wherein; on electronic circuit, add overload with the such electronic equipment of portable phone; the occasion of the danger that electronic circuit damages; in the structure of the protective circuit that the operating current that interrupts electronic equipment is used; not being connected between the such working power of the splicing ear that is added on the current paths on the electronic equipment outward and battery realizes by electric wire; and the connected mode that employing realizes by the circuit of printed circuit substrate; thus, can only pass through electric connection mode, constitute the protective circuit of electronic equipment.
Background technology
In the past; overload protective device is following mode; promptly; comprise shell with external connection terminals and the bimetallic connecting portion that is positioned at this enclosure; externally in the splicing ear; the bimetallic connecting portion passes through electric wire; be connected with the working power of electronic equipment, if on the bimetallic connecting portion, add overcurrent, then in action by bimetal leaf; the supply circuit of interruption of work power supply; or get rid of the occasion of bimetallic connecting portion from current supply circuit, the bimetallic connecting portion transmits the electric current of supply individually, by the temperature of circuit periphery; make the bimetal leaf action, by itself interrupting the working power supply circuit of portable phone.
In such overload protective device; receiving structure by regulation; constitute splicing ear; so that the operating circuit of electronic equipment and the working power of electronic equipment are electrically connected; in this receiving structure inside; by connecting outside flat terminal, pin connector or other bindiny mechanism, thus, realize being electrically connected.
For such overload protective device, people require directly to be installed on the structure on the printed circuit substrate of circuit of the action that constitutes goods and control usefulness, so that form the assembly of simple electric connection structure and such syndeton.
Summary of the invention
The present invention proposes for the problem of eliminating above-mentioned prior art; the object of the present invention is to provide a kind of overload protective device; it need not to require individually outside electrical connection mechanism; directly be installed on the operating circuit of electronic equipment; supplying with overcurrent to electronic equipment; or on the operating circuit of electronic equipment, adding overload, the occasion that the peripheral temperature of circuit rises interrupts being arranged at the current supply circuit in the operating circuit in the electronic equipment.
In order to realize above-mentioned purpose, the invention provides a kind of overload protective device, it is characterized in that this overload protective device comprises mainboard; Place the 1st and the 2nd splicing ear that extends to the both sides of above-mentioned mainboard mutually according to distance at interval; Bi-metal plate, this bi-metal plate is contacted with between the above-mentioned the isolated the 1st and the 2nd splicing ear in separable mode, will be electrically connected between these terminals; Admit the part of above-mentioned splicing ear and the shell of bi-metal plate.
According to 1 embodiment of the present invention, it is characterized in that above-mentioned bi-metal plate comprises the fixing point on any one that is fixed in the above-mentioned the 1st and the 2nd splicing ear, and the movable breaker point that is connected with remaining splicing ear in separable mode, when contact, the 1st and the 2nd splicing ear in series is electrically connected.
According to 1 embodiment of the present invention, it is characterized in that inside at above-mentioned shell, the the above-mentioned the 1st and the 2nd splicing ear is at spaced state, extend side by side, above-mentioned bi-metal plate comprises the fixing point on any one that is fixed in the above-mentioned the 1st and the 2nd splicing ear, and, when contact, the 1st and the 2nd splicing ear is electrically connected in parallel with the movable breaker point that separable mode is connected with remaining splicing ear.
According to 1 embodiment of the present invention, it is characterized in that inside at above-mentioned shell, the the above-mentioned the 1st and the 2nd splicing ear is with spaced state, extend side by side, above-mentioned bi-metal plate comprises the fixing point on the inwall that is fixed in above-mentioned shell, and be contacted with movable breaker point between the 1st and the 2nd splicing ear that mutually extends side by side in separable mode, when contact, the 1st and the 2nd splicing ear is electrically connected in parallel.
According to 1 embodiment of the present invention, it is characterized in that above-mentioned shell is formed by nonmetallic materials, in the bottom surface of its top surface, the reinforcement plate to lower concave part with opposing external impact is installed.
According to 1 embodiment of the present invention, it is characterized in that above-mentioned shell has the hole at the middle place of the top surface of this shell, so that the recess of above-mentioned reinforcement plate externally exposes, reinforcement plate is formed by metal material.
According to 1 embodiment of the present invention, it is characterized in that above-mentioned shell and mainboard have any one in fixing hole and the fixed projection respectively, by fastening connection the between them.
According to 1 embodiment of the present invention, it is characterized in that the above-mentioned the 1st and the 2nd splicing ear also in the part of the outside that extends to shell, have the fixed projection that engages usefulness with the electrical connection section of regulation.
According to above-mentioned scheme; the invention provides following overload protective device; wherein; needn't require independent external electric bindiny mechanism, directly be installed on the operating circuit of electronic equipment, supply with overcurrent to electronic equipment; or on the operating circuit of electronic equipment, add overload; thus, in the occasion that the peripheral temperature of circuit rises, interrupt being arranged at the current supply circuit in the operating circuit of electronic equipment.
Description of drawings
Fig. 1 is the stereogram of overload protective device of the present invention;
Fig. 2 a is the vertical view of the overload protective device of Fig. 1;
The cutaway view of Fig. 2 b for cutting open along the A-A ' line in the overload protective device of Fig. 2 a;
Fig. 3 is for having removed the vertical view of the state of shell in the overload protective device of Fig. 1;
Fig. 4 is for similarly to scheme with Fig. 3, and it is the overload protective device of the relative Fig. 3 of expression, has the vertical view of overload protective device of the splicing ear of other embodiment.
Embodiment
With reference to the accompanying drawings, the preferred embodiments of the present invention are specifically described.
Fig. 1 is the stereogram of overload protective device of the present invention.
With reference to Fig. 1, overload protective device 100 of the present invention comprises mainboard 10; Shell 20 on the above-mentioned mainboard; The the 1st and the 2nd splicing ear 50A, 50B, the 1st and the 2nd splicing ear 50A, the state of 50B to leave mutually is received in the inner space that is formed by above-mentioned mainboard 10 and shell 20; Bi-metal plate, the mode of this bi-metal plate can electricity to separate makes contact (please refer to Fig. 2 b, Fig. 3 and Fig. 4) between these splicing ears.
In addition, overload protective device 100 of the present invention comprises reinforcement plate 30 (part that the crown center hole 20h by shell 20 sees), and this reinforcement plate 30 is provided with by external impact, is installed on the bottom surface of above-mentioned shell 20.
Above-mentioned splicing ear is installed on the part of operating circuit of electronic equipment of regulation, by in separable mode, with the bi-metal plate that is electrically connected between the above-mentioned splicing ear, when the variations in temperature that the overload or the overcurrent of electronic equipment causes, make the electrical connection of operating circuit realize opening and closing.
On above-mentioned splicing ear, on the operating circuit of the electronic equipment of stipulating, such as, make to form fixed projection 55 to engage easily by modes such as spot welding.
The thin bilge construction of the overload protective device 100 of the concrete expression of Fig. 2 a, Fig. 2 b and Fig. 31 embodiment of the present invention.
Fig. 2 a is the vertical view of the overload protective device of Fig. 1, the cutaway view of Fig. 2 b for cutting open along the A-A ' line in the overload protective device of Fig. 2 a, and Fig. 3 is for removing the vertical view of the state of shell in the overload protective device of Fig. 1.
With reference to these accompanying drawings, the fixed projection 20c of shell 20 is embedded among the mainboard fixing hole 10c, thus, mainboard 10 and shell 20 is interconnected, and when connecting, forms the part of admittance splicing ear and the internal admission space of bi-metal plate 40.
At this moment, the fixing hole of above-mentioned mainboard 10 and shell 20 and fixed projection also can constitute according to opposite each other mode, also are not the syndeton of hole and projection, and adopt common fastening structure.
Above-mentioned shell 20 is formed by nonmetallic materials, on the bottom surface of its top surface, the reinforcement plate 30 to lower concave part with opposing external impact is installed.
In this occasion, best above-mentioned shell place in the middle of the top surface of shell has hole 20h, so that the recess of above-mentioned reinforcement plate 30 externally exposes, reinforcement plate 30 is formed by metal material.
In the inside, inner space that is formed by mainboard 10 and shell 20, admitting has splicing ear 50A, the end sections of 50B and bi-metal plate 40.
Bi-metal plate 40 is corresponding to peripheral temperature or overcurrent and react, the action of reversing, thus, realize transmitting the electric current of supplying with, the function of the supply of interruptive current, at one end portion has fixing point 40a, have contact point 40b in the other end, between fixing point and contact point, have lever arm.
According to 1 embodiment of the present invention, the fixing point 40a of above-mentioned bi-metal plate 40 is fixed on the end sections 50b of the 2nd splicing ear 50B that is positioned at above-mentioned internal admission space, when the contact point 40b of bi-metal plate 40 is in regular event, with the end sections 50a state of contact of the 1st splicing ear 50A that is positioned at above-mentioned internal admission interior volume, bi-metal plate will be electrically connected between the 1st and the 2nd splicing ear.
At this moment, the the 1st and the 2nd splicing ear is in the internal admission interior volume that is formed by mainboard 10 and shell 20, connect by bi-metal plate, constitute the circuit of regulation, rise in the temperature of the periphery of bi-metal plate, or when adding overcurrent, counter-rotating action by bi-metal plate, connection status between the 1st and the 2nd splicing ear is separated, thus, the electric current supply of interrupt circuit.
According to another embodiment of the present invention, can change the above-mentioned the 1st and the 2nd splicing ear 50A, the structure of 50B and bi-metal plate 40.
Fig. 4 represents such example, and according to present embodiment, in the inside, inner space that is formed by above-mentioned mainboard 10 and shell 20, the 1st and the 2nd splicing ear 50A ', 50B ' have the end 50a ' that extends side by side, 50b ' under spaced state.
At this moment, just often, with the above-mentioned the 1st and the 2nd splicing ear 50A ', the bi-metal plate 40 that 50B ' is electrically connected mutually comprises fixing point that is fixed on above-mentioned the 2nd splicing ear 50B ' and the movable breaker point 40b that contacts with the 1st splicing ear 50A ' in separable mode.So when contact, with the 1st and the 2nd splicing ear 50A ', 50B ' is electrically connected in parallel.
In this occasion, according to other embodiments of the invention, the fixing point of above-mentioned bi-metal plate 40 is not fixed on the 2nd splicing ear 50B ', and can be fixed on the inwall of above-mentioned shell 20, in this occasion, movable breaker point 40b is contacted with the 1st and the 2nd splicing ear 50a ' in separable mode, between the end of 50b ', when contact, the 1st and the 2nd splicing ear is electrically connected in parallel.
Like this, the 1st and the 2nd splicing ear is provided with parallel with one anotherly, and therefore, in the occasion that above-mentioned bi-metal plate is electrically connected these splicing ears in parallel, the contact point of bi-metal plate and the contact area between the splicing ear increase, and its contact resistance reduces.
The effect of invention
According to above-mentioned scheme, the invention provides following overload protective device, wherein, no Necessity is asked independent external electric bindiny mechanism, directly is installed on the operating circuit of electronic equipment On, supplying with overcurrent to electronic equipment, or adding at the operating circuit of electronic equipment Overload thus, in the occasion that the peripheral temperature of circuit rises, is interrupted being arranged at electronics and is established Current supply circuit in the standby operating circuit.
Claims (5)
1. overload protective device, this overload protective device comprises: mainboard; Place the 1st and the 2nd splicing ear that extends in the both sides of above-mentioned mainboard mutually according to distance at interval; Bi-metal plate, this bi-metal plate is contacted with between the above-mentioned the isolated the 1st and the 2nd splicing ear in separable mode, will be electrically connected between these terminals; Admit the part of above-mentioned splicing ear and the shell of bi-metal plate, it is characterized in that, inside at above-mentioned shell, the the above-mentioned the 1st and the 2nd splicing ear extends side by side with spaced state, above-mentioned bi-metal plate comprises the fixing point on the inwall that is fixed in above-mentioned shell, and be contacted with movable breaker point between the 1st and the 2nd splicing ear that mutually extends side by side simultaneously in separable mode, when contact, the 1st and the 2nd splicing ear is electrically connected in parallel.
2. overload protective device according to claim 1 is characterized in that above-mentioned shell is formed by nonmetallic materials, in the bottom surface of its top surface the reinforcement plate to lower concave part with opposing external impact is installed.
3. overload protective device according to claim 2 is characterized in that above-mentioned shell has the hole at the middle place of the top surface of this shell, so that the recess of above-mentioned reinforcement plate externally exposes, reinforcement plate is formed by metal material.
4. overload protective device according to claim 1 is characterized in that above-mentioned shell and mainboard have any one in fixing hole and the fixed projection respectively, by fastening connection the between them.
5. overload protective device according to claim 1 is characterized in that the above-mentioned the 1st and the 2nd splicing ear also in the part of the outside that extends to shell, has the fixed projection that engages usefulness with the electrical connection section of regulation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040020048 | 2004-03-24 | ||
| KR1020040020048A KR100564898B1 (en) | 2004-03-24 | 2004-03-24 | Overload protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1674190A CN1674190A (en) | 2005-09-28 |
| CN100385594C true CN100385594C (en) | 2008-04-30 |
Family
ID=35046632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100029852A Expired - Fee Related CN100385594C (en) | 2004-03-24 | 2005-01-27 | Overload protector |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2005276813A (en) |
| KR (1) | KR100564898B1 (en) |
| CN (1) | CN100385594C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784139B1 (en) * | 2006-04-13 | 2007-12-10 | 정해양 | Protector of Over Load And Plug And Multi-tab Using The Same |
| JP6202923B2 (en) * | 2013-07-30 | 2017-09-27 | ボーンズ株式会社 | Breaker and safety circuit and secondary battery circuit having the same |
| KR20210031290A (en) | 2019-09-11 | 2021-03-19 | 주식회사 엘지화학 | A connector integrated with protection element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808539A (en) * | 1996-10-10 | 1998-09-15 | Texas Instruments Incorporated | Temperature responsive snap acting control assembly, device using such assembly and method for making |
| CN2424525Y (en) * | 2000-06-16 | 2001-03-21 | 钱百成 | Adjusting temp controller |
| US6597273B2 (en) * | 2000-06-06 | 2003-07-22 | Uchiya Thermostat Co., Ltd. | Thermal protector |
| JP2003297204A (en) * | 2002-03-29 | 2003-10-17 | Furukawa Electric Co Ltd:The | Thermal protector |
-
2004
- 2004-03-24 KR KR1020040020048A patent/KR100564898B1/en not_active IP Right Cessation
-
2005
- 2005-01-24 JP JP2005016010A patent/JP2005276813A/en active Pending
- 2005-01-27 CN CNB2005100029852A patent/CN100385594C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808539A (en) * | 1996-10-10 | 1998-09-15 | Texas Instruments Incorporated | Temperature responsive snap acting control assembly, device using such assembly and method for making |
| US6597273B2 (en) * | 2000-06-06 | 2003-07-22 | Uchiya Thermostat Co., Ltd. | Thermal protector |
| CN2424525Y (en) * | 2000-06-16 | 2001-03-21 | 钱百成 | Adjusting temp controller |
| JP2003297204A (en) * | 2002-03-29 | 2003-10-17 | Furukawa Electric Co Ltd:The | Thermal protector |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050095037A (en) | 2005-09-29 |
| KR100564898B1 (en) | 2006-03-30 |
| JP2005276813A (en) | 2005-10-06 |
| CN1674190A (en) | 2005-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20080430 Termination date: 20110127 |