CN105097368A - Fireproof separating board and plug-type circuit breaker including the same - Google Patents
Fireproof separating board and plug-type circuit breaker including the same Download PDFInfo
- Publication number
- CN105097368A CN105097368A CN201410193951.5A CN201410193951A CN105097368A CN 105097368 A CN105097368 A CN 105097368A CN 201410193951 A CN201410193951 A CN 201410193951A CN 105097368 A CN105097368 A CN 105097368A
- Authority
- CN
- China
- Prior art keywords
- fire barrier
- contact
- plug
- insulation shell
- circuit board
- 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.)
- Pending
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The invention provides a fireproof separating board made of anti-flaming high-temperature-resisting material. The fireproof separating board is arranged in an insulation housing of an electric device and is used for preventing heat generated by electric elements from passing to the insulation housing. The invention also provides a plug-type circuit breaker including the fireproof separating board. According to the invention, by using the fireproof separating board and the plug-type circuit breaker, housing fusion caused by high temperature generated by the electric elements can be prevented effectively.
Description
Technical field
The present invention relates to a kind of fire barrier and comprise the plug-type circuit breaker of this fire barrier.
Background technology
A kind of typical plug-type circuit breaker is described in Chinese patent ZL201320681266.8.Because the inner space of plug-type circuit breaker is little, and shell is generally plastics and makes, and the contact of circuit breaker is attended by high-temperature electric arc in the moment disconnected and produces.In addition, in long-time energising use procedure, contact surface have burn, the phenomenon such as oxidation, also contact internal resistance can be caused to increase, thus contact temperature rise is sharply raised, above two kinds of phenomenons all can cause shell plastic to be out of shape, to melt, to burn, so that breaking out of fire.
And; due to plug-type circuit breaker internal pcb board having many electronic components especially piezo-resistance, when being in use struck by lightning, likely can burn; thus cause housing to burn, so protective housing is needed not burnt in actual use.
Summary of the invention
In order to solve the problem, the invention provides a kind of fire barrier and comprising the plug-type circuit breaker of this fire barrier, it can effectively prevent from contact from producing high-temp combustion causing housing to melt.
According to a first aspect of the invention, provide a kind of fire barrier, described fire barrier is made up of flame-resistant high-temperature-resistant material, and it is arranged in the insulation shell of electronic installation, and the heat for stoping the electronic component of electronic installation to produce is delivered to described insulation shell.
Preferably, described fire barrier is made up of materials such as epoxy plate, asbestos board, mica sheet, sheet metal or potteries.
Preferably, described fire barrier is vertically set between described insulation shell and described electronic component.
Preferably, be parallel to described circuit board below the circuit board that described fire barrier is arranged on electronic installation, described electronic component passes from described fire barrier.
According to a second aspect of the invention, a kind of plug-type circuit breaker is provided, comprises:
Insulation shell;
Control circuit board, its horizontal arrangement is in described insulation shell, and described control circuit board comprises the first contact, the second contact and piezo-resistance;
First metal insert and the second metal insert, its bottom vertical through described insulation shell is arranged, described first metal insert and described second metal insert respectively with described first contact with described second contact or be separated, with closed or open circuit;
Wherein, described plug-type circuit breaker also comprises fire barrier, and described fire barrier is made up of flame-resistant high-temperature-resistant material, and it is arranged in described insulation shell, is delivered to described insulation shell for the heat stoping described first contact and described second contact to produce.
Preferably, described fire barrier is made up of materials such as epoxy plate, asbestos board, mica sheet, sheet metal or potteries.
Preferably, described plug-type circuit breaker comprises two fire barriers, and described two fire barriers are vertically set between two sidewalls of described insulation shell and described first contact, described second contact respectively.
Preferably, described fire barrier to be arranged on below described control circuit board and to be parallel to described control circuit board, and described first metal insert and the second metal insert pass from described fire barrier respectively.
Preferably, described fire barrier extends to the below of the piezo-resistance of described control circuit board.
Preferably, the head of the contiguous described insulation shell of described fire barrier is vertically set between described first contact and described second contact.
According to a third aspect of the present invention, a kind of plug-type circuit breaker is provided to comprise:
Insulation shell,
Control circuit board, it is arranged in described insulation shell, and is provided with piezo-resistance;
Fixed contact and moving contact, it is positioned at described insulation shell and is positioned at the top of described control circuit board; And
Fire barrier, it is arranged on the top of described fixed contact and described moving contact, and coordinates with described control circuit board, is delivered to described insulation shell with the heat stoping described fixed contact and described moving contact to produce.
Preferably, described fire barrier extends to the top of the piezo-resistance of described control circuit board.
Preferably, described fire barrier is made up of materials such as epoxy plate, asbestos board, mica sheet, sheet metal or potteries.
Fire barrier of the present invention and plug-type circuit breaker can effectively prevent contact generation high-temp combustion from causing housing to melt, thus reach the object of protecting sheathing.And, extended to the top of the piezo-resistance of circuit board by high temperature dummy plate of preventing fires, also prevent piezo-resistance and burning is occurred when being struck by lightning so that burns housing.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view according to plug-type circuit breaker of the present invention;
Fig. 2 shows the schematic diagram of the fire barrier of the plug-type circuit breaker in Fig. 1, and wherein fire barrier is arranged on chassis interior both sides; ;
Fig. 3 shows the schematic diagram of the fire barrier of the plug-type circuit breaker in Fig. 1, and wherein fire barrier is arranged on chassis interior both sides;
Fig. 4 a-4b shows the schematic diagram of another embodiment according to fire barrier of the present invention, and wherein fire barrier is horizontally set on chassis interior bottom surface;
Fig. 5 shows the schematic diagram of another embodiment according to fire barrier of the present invention, and wherein fire barrier is arranged on head position in base;
Fig. 6 a-6b shows the schematic diagram of another embodiment according to fire barrier of the present invention, and wherein fire barrier is arranged on chassis interior and covers whole bottom surface.
Fig. 7 shows the schematic diagram of another embodiment according to fire barrier of the present invention, and wherein fire barrier is arranged on above contact; And
Fig. 8 shows the schematic diagram of another embodiment according to fire barrier of the present invention, and wherein fire barrier is arranged on above the piezo-resistance on pcb board.
Embodiment
Fire barrier according to the present invention is made up of flame-resistant high-temperature-resistant material, and it is arranged in the insulation shell of electronic installation, and the heat for stoping the electronic component of electronic installation to produce is delivered to described insulation shell.Preferably, described fire barrier is made up of materials such as epoxy plate, asbestos board, mica sheet, sheet metal or potteries.According to an embodiment, described fire barrier is vertically set between described insulation shell and described electronic component.According to another embodiment, described fire barrier to arrange below circuit board in an electronic and is parallel to described circuit board, and described electronic component passes from described fire barrier.
Structure of the present invention and principle is described in detail for plug-type circuit breaker below in conjunction with accompanying drawing.In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.The concrete structure of plug-type circuit breaker is known to those skilled in the art, and the typical plug-type circuit breaker such as, described in Chinese patent ZL201320681266.8, so be not described in detail the concrete structure of this circuit breaker here.
As shown in Figure 1-Figure 3, the insulation shell of this plug-type circuit breaker 100 is made up of upper cover 102, base 104 and bonnet 106, wherein, base 104 is adaptive with the forward part of upper cover 102, upper cover 102 is connected to by multiple screw 107, the rear section of bonnet 106 and upper cover 102 is also adaptive with the rearward end of base 104, is connected to upper cover 102 by multiple screw 108.Upper cover 102 and bonnet 106 at one end form semicircle opening respectively, thus when both to formation circular engagement mouth after being combined to hold line card 112 in the inner, wherein, line card 112 is for clip out-put supply line (not shown), and this out-put supply line generally includes and exports phase line, exports zero line and export ground wire.This upper cover 102 offers the pilot hole 114,116,118 running through it, tarpaulin 120 corresponds to above-mentioned pilot hole and is formed with boss for covering power supply indicator 122 respectively, for covering the cylindrical boss of reset button 124 and the cylindrical boss for coverage test button 126.By this, when installing this tarpaulin 120, its boss protrudes out out from upper cover 102 respectively, so that user presses reset button 124 and testing button 126, meanwhile, whether power supply indicator 122 also can inform that user is current and be energized.One of ordinary skill in the art will appreciate that, this tarpaulin 120 is not required.
Base 104 offers two inserted sheet receiving openings throughly, one end of first metal insert 128 is through outside an inserted sheet receiving opening protuberate basic unit 104, one end of second metal insert 130 is passed outside another inserted sheet receiving opening protuberate basic unit 104, for access power supply.Ground wire input pin 127 to enter in housing through this base 104 and fixes with the one end of the metal earthing sheet 131 being positioned at housing and be electrically connected.
Organic core assembly 200 is held in the housing of this plug-type circuit breaker 100.Particularly, this cartridge assemblies 200 comprise there is a pair moving contact arm 206,208 control circuit board 202, mounting bracket, dropout executive module and fix respectively out-put supply line output phase line, export zero line and export the output connection seat 212,214,216 of ground wire.Wherein, the output connection seat 216 exporting ground wire is fixed with the other end of metal earthing sheet 131 and is electrically connected.Inner cap 132 is also fixed with between upper cover 102 and control circuit board 202.Testing button 126 is electrically connected with the electronic devices and components on control circuit board 202 in the one end away from tarpaulin 120, thus carry out testing fixture by the analogue test switch 136 be arranged on control circuit board 202 can regular event.Reset button 124 end by the back-moving spring 134 in the spring containing seat of base against.
The side that aforementioned inserted sheet 128,130 is positioned at housing is all fixed to the location notch of mounting bracket, in addition, this inserted sheet 128,130 also has contact 128a, 130a.Contact 206c, 208c of moving contact arm 206,208 lay respectively at directly over contact 128a, 130a of inserted sheet 128,130, by the contact of these contacts or separate closed or open circuit.
When in energising use procedure, contact surface have burn, the phenomenon such as oxidation, contact internal resistance also can be caused to increase, thus contact temperature rise is sharply raised, above two kinds of phenomenons all can cause shell plastic to be out of shape, to melt, to burn, so that breaking out of fire.
For this reason, as illustrated in fig. 1-3, this plug-type circuit breaker 100 also comprises two fire barriers 135,137, it is vertically set on the side of two couples of contacts 130a, 208c and 128a, 206c respectively, this fire barrier is made up of high temperature dummy plate, can use the flame-resistant high-temperature-resistant materials such as epoxy plate, asbestos board, mica sheet, sheet metal, pottery.As shown in Figure 2,3, two fire barriers 135,137 are arranged on below control circuit board 202, be arranged in the draw-in groove 104a of base 104 inside, draw-in groove 104a in base 104 limits the movement all around of fire barrier 135,137, and circuit board 202 then limits moving up and down of fire barrier 135,137.So, fire barrier 135,137 is just securely fixed in the inside of housing.
Because below circuit board, both sides are all provided with fire barrier, the high temperature that circuit board and the completely isolated contact of fire barrier produce is to housing transmission.And; because circuit board itself is also a kind of resistant to elevated temperatures fire proofing; be enclosed within above two pairs of contacts so be equivalent to a high temperature resistant cage; the high temperature that such contact produces would not be directly delivered on insulation shell; but being first delivered to above fire barrier 135,137, fire barrier has blocked heat to insulation shell transmission, and the heat being delivered to insulation shell is like this few; case temperature will reduce widely, thus protects housing and can not be melted and burn.It is low, safe and reliable that this invention also has cost, the advantages such as easy assembling.
Fig. 4 a-4b shows another embodiment according to fire barrier of the present invention.Fire barrier 138 is arranged on base 104 inner bottom surface, two inserted sheets 130,128 are through being inserted in base in respective aperture after fire barrier 138 again, this fire barrier 138 is located in the below of two couples of contacts 128a, 130a and 206c, 208c, has jointly isolated high temperature that contact produces transmit to the upper cover 102 of insulation shell and base 104 with control circuit board 202.
Fig. 5 shows according to another embodiment of the invention.Fire barrier 139 is arranged on the head position (in Fig. 5 left side) of base 104 inside, to be fixed in base draw-in groove 104b and to be positioned at below control circuit board 202, thus securing the position of fire barrier 139 in base 104, fire barrier 139 and the high temperature that control circuit board 202 has isolated contact 128a, 130a and 206c jointly, 208c produces transmit to the upper cover 102 of insulation shell and base 104.
Fig. 6 a-6b shows another embodiment according to fire barrier of the present invention.Similar with the embodiment in Fig. 4 a-4b, fire barrier 141 is arranged on base 104 inner bottom surface, two inserted sheets 130,128 are through being inserted in base in respective aperture after fire barrier 141 again, fire barrier 141 extends to the below of the piezo-resistance 202a of control circuit board 202, namely fire barrier 141 is positioned at the below of two couples of contacts 128a, 130a and 206c, 208c and piezo-resistance 202a, has substantially covered the whole bottom surface in base.Fire barrier 141 and control circuit board 202 have jointly been isolated high temperature that contact produces and have been transmitted to the upper cover 102 of insulation shell and base 104.Meanwhile, also prevent piezo-resistance 202a burning is occurred when being struck by lightning so that burns insulation shell.
Fig. 7 shows according to another embodiment of the invention.Fire barrier 140 is arranged on the top of fixed contact 4, moving contact 5, has jointly isolated high temperature that contact produces to housing 1 and the transmission of upper cover (not shown) with the circuit board 6 below fixed contact 4, moving contact 5.
Fig. 8 shows according to another embodiment of the invention.Similar with embodiment in Fig. 7, fire barrier 142 is arranged on all electronic components on fixed contact 4, the top of moving contact 5 and circuit board and comprises the top of piezo-resistance, basic parallel with the circuit board 6 of below, the circuit board 6 of fire barrier 142 and below jointly isolated high temperature that contact produces up and down two housings 2 and 1 transmit.Meanwhile, fire barrier 142 also prevent piezo-resistance and is occurred when being struck by lightning to burn so that burn housing 1 and housing 2 together with circuit board 6.
Below technology contents and the technical characterstic of specific embodiments of the invention has been disclosed; but be appreciated that; under creative ideas of the present invention; those skilled in the art can not make various changes in the combination of this feature clearly illustrated and improve above-mentioned disclosed various characteristic sum, but all belongs to protection scope of the present invention.The description of above-described embodiment is exemplary and not restrictive, and protection scope of the present invention determined by claim.
Claims (13)
1. a fire barrier, is characterized in that, described fire barrier is made up of flame-resistant high-temperature-resistant material, and it is arranged in the insulation shell of electronic installation, and the heat for stoping the electronic component of electronic installation to produce is delivered to described insulation shell.
2. fire barrier according to claim 1, is characterized in that, described fire barrier is made up of epoxy plate, asbestos board, mica sheet, sheet metal or ceramic material.
3. fire barrier according to claim 1 and 2, is characterized in that, described fire barrier is vertically set between described insulation shell and described electronic component.
4. fire barrier according to claim 1 and 2, is characterized in that, be parallel to described circuit board below the circuit board that described fire barrier is arranged on electronic installation, described electronic component passes from described fire barrier.
5. a plug-type circuit breaker, is characterized in that, comprising:
Insulation shell;
Control circuit board, its horizontal arrangement is in described insulation shell, and described control circuit board comprises the first contact, the second contact and piezo-resistance;
First metal insert and the second metal insert, its bottom vertical through described insulation shell is arranged, described first metal insert and described second metal insert respectively with described first contact with described second contact or be separated, with closed or open circuit;
Wherein, described plug-type circuit breaker also comprises fire barrier, and described fire barrier is made up of flame-resistant high-temperature-resistant material, and it is arranged in described insulation shell, is delivered to described insulation shell for the heat stoping described first contact and described second contact to produce.
6. plug-type circuit breaker according to claim 5, is characterized in that, described fire barrier is made up of epoxy plate, asbestos board, mica sheet, sheet metal or ceramic material.
7. the plug-type circuit breaker according to claim 5 or 6, it is characterized in that, described plug-type circuit breaker comprises two fire barriers, and described two fire barriers are vertically set between two sidewalls of described insulation shell and described first contact, described second contact respectively.
8. the plug-type circuit breaker according to claim 5 or 6, it is characterized in that, described fire barrier to be arranged on below described control circuit board and to be parallel to described control circuit board, and described first metal insert and the second metal insert pass from described fire barrier respectively.
9. plug-type circuit breaker according to claim 8, is characterized in that, described fire barrier extends to the below of the piezo-resistance of described control circuit board.
10. the plug-type circuit breaker according to claim 5 or 6, is characterized in that, the head of the contiguous described insulation shell of described fire barrier is vertically set between described first contact and described second contact.
11. 1 kinds of plug-type circuit breakers, is characterized in that, comprising:
Insulation shell,
Control circuit board, it is arranged in described insulation shell, and is provided with piezo-resistance;
Fixed contact and moving contact, it is positioned at described insulation shell and is positioned at the top of described control circuit board; And
Fire barrier, it is arranged on the top of described fixed contact and described moving contact, and coordinates with described control circuit board, is delivered to described insulation shell with the heat stoping described fixed contact and described moving contact to produce.
12. plug-type circuit breakers according to claim 11, it is characterized in that, described fire barrier extends to the top of the piezo-resistance of described control circuit board.
13. plug-type circuit breakers according to claim 11 or 12, it is characterized in that, described fire barrier is made up of epoxy plate, asbestos board, mica sheet, sheet metal or ceramic material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193951.5A CN105097368A (en) | 2014-05-09 | 2014-05-09 | Fireproof separating board and plug-type circuit breaker including the same |
| US14/302,685 US9713273B2 (en) | 2014-05-09 | 2014-06-12 | Fireproof separator board and plug-based circuit interrupter employing the fireproof board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193951.5A CN105097368A (en) | 2014-05-09 | 2014-05-09 | Fireproof separating board and plug-type circuit breaker including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105097368A true CN105097368A (en) | 2015-11-25 |
Family
ID=54577564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410193951.5A Pending CN105097368A (en) | 2014-05-09 | 2014-05-09 | Fireproof separating board and plug-type circuit breaker including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105097368A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932659B1 (en) * | 2004-01-14 | 2005-08-23 | Yazaki North America, Inc. | Terminal with card edge locking provisions |
| CN202797457U (en) * | 2012-09-26 | 2013-03-13 | 珠海格力电器股份有限公司 | Leakage protection plug |
| CN103682800A (en) * | 2012-09-26 | 2014-03-26 | 珠海格力电器股份有限公司 | Leakage protection plug |
| CN203895381U (en) * | 2014-05-09 | 2014-10-22 | 苏州益而益电器制造有限公司 | Fireproof separator plate and plug-type breaker comprising the same |
-
2014
- 2014-05-09 CN CN201410193951.5A patent/CN105097368A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932659B1 (en) * | 2004-01-14 | 2005-08-23 | Yazaki North America, Inc. | Terminal with card edge locking provisions |
| CN202797457U (en) * | 2012-09-26 | 2013-03-13 | 珠海格力电器股份有限公司 | Leakage protection plug |
| CN103682800A (en) * | 2012-09-26 | 2014-03-26 | 珠海格力电器股份有限公司 | Leakage protection plug |
| CN203895381U (en) * | 2014-05-09 | 2014-10-22 | 苏州益而益电器制造有限公司 | Fireproof separator plate and plug-type breaker comprising the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9640969B2 (en) | Arc fault circuit interrupter | |
| US11152769B2 (en) | Overvoltage protection arrangement consisting of a horn spark gap accommodated in an insulating housing | |
| CA2845781C (en) | Device for thermal monitoring of the terminals of an electrical connection device | |
| CN107634511B (en) | Surge protection module and surge protector | |
| CN201752056U (en) | Socket | |
| US9713273B2 (en) | Fireproof separator board and plug-based circuit interrupter employing the fireproof board | |
| JP2009522739A (en) | Plug-in type surge voltage suppressor having one or more surge voltage protection elements | |
| CN203895381U (en) | Fireproof separator plate and plug-type breaker comprising the same | |
| RU2487417C1 (en) | Fault signalling device in particular for electrical devices such as blocking sockets | |
| CN105097368A (en) | Fireproof separating board and plug-type circuit breaker including the same | |
| CN103036204B (en) | Dual-mode type automatic triggering fireproof protection device for photovoltaic combiner box | |
| IL124255A (en) | Overvoltage protection plug with fail-safe device | |
| CN110779050B (en) | Burner of gas stove and burner for gas stove and burner | |
| TWI452588B (en) | Switchgear | |
| JP3169343U (en) | socket | |
| CN211125218U (en) | Piezoresistor protection structure and control cabinet | |
| CN209071243U (en) | A kind of induction control and protective switching device | |
| EP2782115B1 (en) | Fuse block base | |
| CN204391016U (en) | Multi-functional plug-type circuit breaker | |
| CN109524263B (en) | Safety switch | |
| CN221155155U (en) | Automatic fire extinguishing device for high-voltage switch cabinet | |
| CN102793994B (en) | Automatic control device with explosive fire-extinguishing and power-control functions | |
| CN215418052U (en) | Circuit breaker | |
| CN216749757U (en) | Tripping mechanism of leakage switch | |
| CN105679617B (en) | Multi-functional plug-type breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151125 |