CN204927181U - Hot protector of sensitive type of resetting current postpones - Google Patents
Hot protector of sensitive type of resetting current postpones Download PDFInfo
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- CN204927181U CN204927181U CN201520688934.9U CN201520688934U CN204927181U CN 204927181 U CN204927181 U CN 204927181U CN 201520688934 U CN201520688934 U CN 201520688934U CN 204927181 U CN204927181 U CN 204927181U
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Abstract
Hot protector of sensitive type of resetting current postpones relates to the hot protector of sensitive type of resetting current postpones's of a temperature current control who is applied to household electrical appliances motors such as dust catcher, soybean milk machine, juice extractor and protection design technical field, including two bottom plates, shell, heater strip, movable contact, stationary contact, fixed plate, bimetallic strip, insulated paper, shell both sides edge is equipped with spacing recess respectively, is equipped with respectively in the both sides of two bottom plates and rivets the ear with spacing recess complex, and the riveting ear blocks respectively in the spacing recess that corresponds, the top sets up the thermal sensitive ceramics piece outside the shell, and it is fixed with the shell that the thermal sensitive ceramics piece passes through the spring card. The utility model discloses sensitivity is high, installation stability is high, the security performance is good, can satisfy the operation requirement in multiple field.
Description
Technical field
The utility model relates to a kind of design field being applied to the delayed management current sensitive thermal protector of the temperature current control and protection of the household electrical appliances motors such as dust catcher, soy bean milk making machine, juice extractor.
Background technology
On market, like product all adopts the mode of bimetallic overcurrent, to reach the effect strengthening electric current induction sensitivity, because bimetallic material distribution type is limited, list relies on bimetallic, and this just must cause the induction of product electric current lower, the current range be suitable for is limited, and the riveted joint face of the base plate of like product and outer shell rivething ear is plane, this must affect base plate and shell assembles the stability and riveting intensity of riveting, in addition, on market, like product is and automatically resets, reduction product with ambient temperature after product action can automatically reset, closing of circuit.As circuit abnormality is not got rid of in time, product just resets closed, very likely causes damage to circuit.
Utility model content
The utility model object is for above problem, provide a kind of highly sensitive, install that stability is high, delayed management current sensitive thermal protector that security performance is good.
The utility model comprises two pieces of base plates, shell, heater strip, moving contact, fixed contact, fixed head, bimetal leaf, insulating papers, connected by heater strip between described two pieces of base plates, described shell is arranged at the top of two pieces of base plates, above described fixed contact one piece of base plate disposed therein, described moving contact is arranged at one end of bimetal leaf and separable-closed type is arranged at the top of fixed contact, and the other end of described bimetal leaf is connected with pushing up in shell by fixed head; Described insulating paper is arranged at two pieces between base plate and shell; Described shell both sides of the edge are respectively equipped with limited impression, are respectively equipped with the riveted joint ear coordinated with limited impression in the both sides of described two pieces of base plates, and described riveted joint ear snaps in corresponding limited impression respectively; Arrange thermal sensitive ceramics sheet at the outer top of described shell, described thermal sensitive ceramics sheet is fixed by Spring Card and shell.
The beneficial effects of the utility model are: 1) structure is simply easy to realize, and adopt heater strip and bimetallic jointly to respond to, and during circuit abnormality current surge, heater strip and bimetallic electric current are responded to can the cut-out of executive circuit rapidly, a defencive function.And in product, the profile diameter of heater strip and material have multiple choices, can meet multiple current range, also can control the cut off time of the circuit length; 2) shell both sides of the present utility model are provided with limited impression, and during assembling, the riveted joint ear of base plate just snaps in corresponding limited impression, thus strengthen the riveting intensity of shell and base plate; 3) shell of the present utility model and base plate are directly provided with thermal sensitive ceramics sheet, spacing fixing by Spring Card, and after product action protection, thermal sensitive ceramics sheet continues heating, is delayed the reset of product.Must cut off circuit power, product just can close with the reduction of temperature, and this arranges the fail safe enhancing product, can meet the instructions for use of multiple fields.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is understructure schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises two pieces of base plates 1, shell 2, heater strip 3, moving contact 4, fixed contact 5, fixed head 6, bimetal leaf 7, insulating paper 8, connected by heater strip 3 between two pieces of base plates 1, shell 2 is arranged at the top of two pieces of base plates 1, above fixed contact 5 one piece of base plate 1 disposed therein, moving contact 4 is arranged at one end of bimetal leaf 7 and separable-closed type is arranged at the top of fixed contact 5, and the other end of bimetal leaf 7 is connected with interior top of shell 2 by fixed head 6; Insulating paper 8 is arranged between two pieces of base plates 1 and shell 2; Shell 2 both sides of the edge are respectively equipped with limited impression 2-1, are respectively equipped with the riveted joint ear 1-1 coordinated with limited impression 2-1 in the both sides of two pieces of base plates 1, and riveted joint ear 1-1 snaps in corresponding limited impression 2-1 respectively; Arrange thermal sensitive ceramics sheet 9 at the outer top of shell 2, thermal sensitive ceramics sheet 9 is fixed by Spring Card 10 and shell 2.
Claims (1)
1. delayed management current sensitive thermal protector, comprise two pieces of base plates, shell, heater strip, moving contact, fixed contact, fixed head, bimetal leaf, insulating papers, connected by heater strip between described two pieces of base plates, described shell is arranged at the top of two pieces of base plates, above described fixed contact one piece of base plate disposed therein, described moving contact is arranged at one end of bimetal leaf and separable-closed type is arranged at the top of fixed contact, and the other end of described bimetal leaf is connected with pushing up in shell by fixed head; Described insulating paper is arranged at two pieces between base plate and shell; It is characterized in that: described shell both sides of the edge are respectively equipped with limited impression, be respectively equipped with the riveted joint ear coordinated with limited impression in the both sides of described two pieces of base plates, described riveted joint ear snaps in corresponding limited impression respectively; Arrange thermal sensitive ceramics sheet at the outer top of described shell, described thermal sensitive ceramics sheet is fixed by Spring Card and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688934.9U CN204927181U (en) | 2015-09-08 | 2015-09-08 | Hot protector of sensitive type of resetting current postpones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688934.9U CN204927181U (en) | 2015-09-08 | 2015-09-08 | Hot protector of sensitive type of resetting current postpones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927181U true CN204927181U (en) | 2015-12-30 |
Family
ID=54976289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520688934.9U Active CN204927181U (en) | 2015-09-08 | 2015-09-08 | Hot protector of sensitive type of resetting current postpones |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204927181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527766A (en) * | 2017-08-22 | 2017-12-29 | 江苏怡通控制***有限公司 | Self-hold thermal protector |
-
2015
- 2015-09-08 CN CN201520688934.9U patent/CN204927181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107527766A (en) * | 2017-08-22 | 2017-12-29 | 江苏怡通控制***有限公司 | Self-hold thermal protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |