CN207338238U - One kind power-off automatic reset overload protector - Google Patents
One kind power-off automatic reset overload protector Download PDFInfo
- Publication number
- CN207338238U CN207338238U CN201721321417.3U CN201721321417U CN207338238U CN 207338238 U CN207338238 U CN 207338238U CN 201721321417 U CN201721321417 U CN 201721321417U CN 207338238 U CN207338238 U CN 207338238U
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- CN
- China
- Prior art keywords
- ceramic
- bimetal leaf
- base
- rivet
- welded
- 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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Abstract
The utility model discloses one kind to power off automatic reset overload protector, wire connection terminal described in left side is installed on by stationary contact on the bottom surface of base of ceramic left groove, electric resistance alloy left end is connected installed in stationary contact top, bimetal leaf component supporting riveting is penetrated in the interstitial hole of base of ceramic to fix, the supporting of bimetal leaf component is connected with the right end of electric resistance alloy, connection rivet is installed in the mounting hole of bimetal leaf component supporting, left end of the movable contact welded and installed in bimetal leaf, bimetal leaf is fixedly mounted on connection rivet, heater element welded and installed is on connection rivet, wire connection terminal described in right side is installed on by rivet on the bottom surface of base of ceramic right groove, rivet welded and installed is in heater element right end, shell is fixedly mounted on base of ceramic.The utility model is simple in structure, easy to operate, has many advantages, such as stability is high, safe, service life is high, very convenient to use, and cost is relatively low.
Description
Technical field
The utility model belongs to a kind of overload protective device technical field, and in particular to one kind powers off the overload protection that automatically resets
Device.
Background technology
In order to protect electric appliance, electric appliance is prevented in because load aggravates or the change of environment temperature causes electrical part to overheat
And damage, an overload protective device is often installed in electric appliance.With the popularization of electric appliance, overload protective device is universal in electric appliance already
Use, such as motor, ballast, transformer, rechargeable battery, household electrical appliance, pulverizer, mixer, electric tool, solar-electricity
Device etc., existing overload protective device is automatically resets or hand-reset product, such as automatic reset overload protector, in the situation of overload
Under, frequently disconnect and resetting, easily cause excess temperature aging, reduce the service life of electric appliance；Such as use hand-reset overload protection
Device is installed in electrical equipment, and when reset has to cut off the power, and uses hand-reset form, that is, opens electric appliance casing hand
Overload protective device is resetted by reset button.So general layman can not just operate, and Xu Song specialized maintenances department goes to repair
Reason, it is very inconvenient, practical.Reflection poor sensitivity of the general overload protective device to low overload.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of power-off in view of the above shortcomings of the prior art automatically
Overload protective device is resetted, its is simple in structure, easy to operate, heater element of having connected with bimetal leaf, quicker to low overload protection
Sense；The electric resistance alloy sintered on ceramic substrate, fever are more stablized, as long as deenergization can answer automatically after overload tripping
Position, without manual operation, has many advantages, such as stability is high, safe, service life is high, uses very square
Just, and cost is relatively low.
To realize above-mentioned technical purpose, the technical solution that the utility model is taken is：
One kind power-off automatic reset overload protector, wherein：Closed including base of ceramic, stationary contact, wire connection terminal, resistance
Gold, movable contact, bimetal leaf, the supporting of bimetal leaf component, connection rivet, heater element, rivet and shell, connecing described in left side
Line terminals are installed on by stationary contact on the bottom surface of base of ceramic left groove, and the electric resistance alloy left end is installed on stationary contact
Top connects, and bimetal leaf component supporting riveting is penetrated in the interstitial hole of the base of ceramic and is fixed, the bimetal leaf
Component supporting is connected with the right end of electric resistance alloy, and the connection rivet is installed on the mounting hole of bimetal leaf component supporting
In, the movable contact welded and installed is in the left end of bimetal leaf, and the bimetal leaf is fixedly mounted on connection rivet, institute
On connection rivet, the wire connection terminal described in right side is installed on the right side of base of ceramic the heater element welded and installed stated by rivet
On the bottom surface of groove, the rivet welded and installed is fixedly mounted on base of ceramic in heater element right end, the shell.
To optimize above-mentioned technical proposal, the concrete measure taken further includes：
Above-mentioned base of ceramic is " T " shape structure form.
In the annular groove of above-mentioned base of ceramic location and installation inside the shell.
Ring flange is designed with above-mentioned bimetal leaf component supporting top and low side.
The external cylindrical surface of above-mentioned base of ceramic is equipped with external screw thread.
Bimetal leaf component supporting in the utility model penetrates riveting in the interstitial hole of insulating base component and fixes, described
In bimetal leaf component press-in bimetal leaf component bearing center hole, stationary contact is penetrated in a stomidium of the insulating base component
Point, set upper connecting terminal riveting are fixed, and the riveting of rivet sleeve upper connecting terminal is penetrated in another stomidium and is fixed, the heater element
One end is welded on bimetal leaf component, and the other end is welded and fixed with rivet.
The utility model has the advantage of it is following some：It is simple in structure, easy to operate, fever member of having connected with bimetal leaf
Part, it is more sensitive to low overload protection；The electric resistance alloy sintered on ceramic substrate, fever are more stablized, as long as after overload tripping
Deenergization can automatically reset, and without manual operation, it is many to have that stability is high, safe, service life is high etc.
Advantage, and it is very convenient to use, and cost is relatively low.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the A-A structure sectional views of the utility model；
Fig. 3 is the electrical structure schematic diagram of the utility model.
Reference numeral therein is：Base of ceramic 1, stationary contact 2, wire connection terminal 3, electric resistance alloy 4, movable contact 5, bimetallic
Piece 6, bimetal leaf component supporting 7, connection rivet 8, heater element 9, rivet 10, shell 11.
Embodiment
Specific embodiment of the present utility model is further illustrated below in conjunction with the accompanying drawings：
One kind power-off automatic reset overload protector, wherein：Including base of ceramic 1, stationary contact 2, wire connection terminal 3, resistance
Alloy 4, movable contact 5, bimetal leaf 6, bimetal leaf component supporting 7, connection rivet 8, heater element 9, rivet (10) and shell
11, the wire connection terminal 3 described in left side is installed on by stationary contact 2 on the bottom surface of 1 left groove of base of ceramic, and the resistance closes
Golden 4 left ends are connected installed in 2 top of stationary contact, and bimetal leaf component is penetrated in the interstitial hole of the base of ceramic 1 and supports 7 rivetings
Pressing is determined, and bimetal leaf component supporting 7 is connected with the right end of electric resistance alloy 4, and the connection rivet 8 is installed on double
In the mounting hole of sheet metal pack supporting 7,5 welded and installed of movable contact is in the left end of bimetal leaf 6, the bimetallic
Piece 6 is fixedly mounted on connection rivet 8, and 9 welded and installed of heater element is on connection rivet 8, the wiring described in right side
Terminal 3 is installed on by rivet 10 on the bottom surface of 1 right groove of base of ceramic, and 10 welded and installed of rivet is in heater element
9 right ends, the shell 11 are fixedly mounted on base of ceramic 1.
In embodiment, base of ceramic 1 is " T " shape structure form.
In embodiment, in annular groove of 1 location and installation of base of ceramic in shell 11.
In embodiment, bimetal leaf component supports and is designed with ring flange on 7 tops and low side.
In embodiment, the external cylindrical surface of base of ceramic 1 is equipped with external screw thread.
In embodiment, base of ceramic component is the sintering electric resistance alloy 4 on base of ceramic 1, and in the centre of base of ceramic 1
Penetrate bimetal leaf component 7 rivetings of supporting in sky to fix, bimetal leaf component supporting 7 is connected with one end of electric resistance alloy 4, double
Sheet metal pack is the movable contact 5 in the welding of one end of molded bimetal leaf 6, and it is solid that the other end penetrates the welding of connection rivet 8
It is fixed, heater element 9 is then welded on connection rivet 8, is penetrated in a stomidium of base of ceramic component sintering electric resistance alloy quiet
Contact 2, set upper connecting terminal 3 are fixed by riveting, and stationary contact 2 is connected with the electric resistance alloy other end sintered, in ceramic base
The other end of holder assembly penetrates rivet 10, and set upper connecting terminal 3 is fixed by riveting, and 7 centre bores are supported in bimetal leaf component
Interior press-in bimetal leaf component, makes movable contact 5 be in contact with stationary contact 2, and the other end and the rivet 10 of heater element 9 pass through welding
It is fixed, buckle shell 11.
Since electrical work is abnormal, environment temperature is caused to raise, electric current increase, when heat reaches the disconnected of overload protective device
When opening temperature value, bimetal leaf just rapid escape action, disconnects two contacts, cuts off circuit.And simultaneously because break contact two
End connection electric resistance alloy fever, producing enough heats makes bimetal leaf continue to keep escape state, only after cutting off the power,
Contact could close.Miniaturized design, possesses the duplicate protection performance for having temperature sensor and electric current and acting, hair of especially having connected
Thermal element 9, the increase to electric current are more sensitive.Will not because automatically reset frequently cut off connection caused by electrical equipment overheat, will not
The inconvenience brought by hand-reset.
It the above is only the preferred embodiment of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
It should be regarded as the scope of protection of the utility model.
Claims (5)
1. one kind power-off automatic reset overload protector, it is characterised in that：Including base of ceramic (1), stationary contact (2), terminals
Sub (3), electric resistance alloy (4), movable contact (5), bimetal leaf (6), bimetal leaf component supporting (7), connection rivet (8), fever
Element (9), rivet (10) and shell (11), the wire connection terminal (3) described in left side are installed on base of ceramic by stationary contact (2)
(1) on the bottom surface of left groove, the electric resistance alloy (4) left end is connected installed in stationary contact (2) top, the ceramic base
Penetrate bimetal leaf component supporting (7) riveting in the interstitial hole of seat (1) to fix, bimetal leaf component supporting (7) and electricity
The right end of resistance alloy (4) is connected, and the connection rivet (8) is installed in the mounting hole of bimetal leaf component supporting (7), institute
For movable contact (5) welded and installed stated in the left end of bimetal leaf (6), the bimetal leaf (6) is fixedly mounted on connection rivet
(8) on, for the heater element (9) welded and installed on connection rivet (8), the wire connection terminal (3) described in right side passes through rivet
(10) on the bottom surface of base of ceramic (1) right groove, the rivet (10) welded and installed is right in heater element (9)
End, the shell (11) are fixedly mounted on base of ceramic (1).
A kind of 2. power-off automatic reset overload protector according to claim 1, it is characterised in that：The base of ceramic
(1) it is " T " shape structure form.
A kind of 3. power-off automatic reset overload protector according to claim 1, it is characterised in that：The base of ceramic
(1) in annular groove of the location and installation in shell (11).
A kind of 4. power-off automatic reset overload protector according to claim 1, it is characterised in that：The bimetal leaf
Component supports and is designed with ring flange on (7) top and low side.
A kind of 5. power-off automatic reset overload protector according to claim 1, it is characterised in that：The base of ceramic
(1) external cylindrical surface is equipped with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321417.3U CN207338238U (en) | 2017-10-13 | 2017-10-13 | One kind power-off automatic reset overload protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321417.3U CN207338238U (en) | 2017-10-13 | 2017-10-13 | One kind power-off automatic reset overload protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207338238U true CN207338238U (en) | 2018-05-08 |
Family
ID=62368521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721321417.3U Expired - Fee Related CN207338238U (en) | 2017-10-13 | 2017-10-13 | One kind power-off automatic reset overload protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207338238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633979A (en) * | 2017-10-13 | 2018-01-26 | 江苏常恒集团控制器件制品有限公司 | One kind power-off automatic reset overload protector |
-
2017
- 2017-10-13 CN CN201721321417.3U patent/CN207338238U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107633979A (en) * | 2017-10-13 | 2018-01-26 | 江苏常恒集团控制器件制品有限公司 | One kind power-off automatic reset overload protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20201013 |