CN205016485U - Built -in over -current overheating protector - Google Patents
Built -in over -current overheating protector Download PDFInfo
- Publication number
- CN205016485U CN205016485U CN201520765827.1U CN201520765827U CN205016485U CN 205016485 U CN205016485 U CN 205016485U CN 201520765827 U CN201520765827 U CN 201520765827U CN 205016485 U CN205016485 U CN 205016485U
- Authority
- CN
- China
- Prior art keywords
- resistance heating
- contact jaw
- contact
- plate
- heating plate
- 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.)
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- 230000001012 protector Effects 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 210000001847 Jaw Anatomy 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000003595 mist Substances 0.000 claims description 5
- 230000000875 corresponding Effects 0.000 claims description 4
- 230000003068 static Effects 0.000 abstract 2
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium(0) Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a built -in over -current overheating protector, including metal casing, metal soleplate is equipped with the temperature sensing board of moving contact, corresponds the static contact of arranging with the moving contact to and resistance heating board and two terminals, static contact fixed mounting is in the upper end of one of them terminal, the resistance heating board first contact jaw and second contact jaw have and be located first contact jaw and the second contact jaw between and mutually perpendicular's first curb plate and second curb plate, the first contact jaw fixed mounting of resistance heating board is in the upper end of another terminal, the second contact jaw and the bottom plate fixed connection of resistance heating board, be equipped with at least one first notch board portion to the indent on the first curb plate of resistance heating board, be equipped with at least one second notch board portion to the indent on the second curb plate of resistance heating board. The utility model discloses when unusually little or low -voltage operating mode electric current missed protector rated current, in time supply interruption provided accurate protection to consumers such as compressor or motors.
Description
Technical field
The utility model relates to a kind of non-electricity protector, and particularly relate to a kind of when the power consumption equipment such as motor, compressor is at overcurrent overheat, energy automatic cut-off power, prevents the overcurrent overheat protector that it burns.
Background technology
Existing built-in overcurrent overheat protector, comprise the metal shell of top seal, bottom opening, close the metal base plate of described outer casing bottom, be provided with moving contact and overturn when reaching setting overcurrent value, lower than the temperature-sensitive plate resetted during setting overcurrent value, the fixed contact arranged corresponding to described moving contact, and resistance heating plate and two binding posts, the upper end of described two binding posts is each passed through described base plate and stretches in the confined space that shell and base plate form, the shaft of described two binding posts is connected with described base plate insulated enclosure respectively, described fixed contact is fixedly mounted on the upper end of one of them binding post, described resistance heating plate has the first contact jaw and the second contact jaw and between described first contact jaw and the second contact jaw and orthogonal first side plate and the second side plate, first contact jaw of described resistance heating plate is fixedly mounted on the upper end of another binding post, second contact jaw of resistance heating plate is fixedly connected with described base plate, mist is packaged with in described confined space.There is following shortcoming in actual use in the protector of this structure; namely it is inadequate to current sensitivity; only when electric current reaches protector nominal designed value; protector could be protected timely and effectively; and the electric equipment such as compressor or motor produces unusual service condition; its electric current is uncontrollable, and when micro-exception or low-voltage operating mode electric current do not reach protector rated current, protector cannot accurately be protected.
Summary of the invention
The technical problems to be solved in the utility model is to provide one when micro-exception or low-voltage operating mode electric current do not reach protector rated current, can cut off the electricity supply in time, power consumption equipment is provided to the built-in overcurrent overheat protector of accurately protection.
For solving the problems of the technologies described above, the utility model adopts so a kind of built-in overcurrent overheat protector, for by the failure of current of power consumption equipment when overcurrent overheat operating mode, it comprises the metal shell of top seal, bottom opening, close the metal base plate of described outer casing bottom, be provided with moving contact and the upset when reaching setting overcurrent value, lower than the temperature-sensitive plate that resets during setting overcurrent value, the fixed contact arranged corresponding to described moving contact, and resistance heating plate and two binding posts, the upper end of described two binding posts is each passed through described base plate and stretches in the confined space that shell and base plate form, the shaft of described two binding posts is connected with described base plate insulated enclosure respectively, described fixed contact is fixedly mounted on the upper end of one of them binding post, described resistance heating plate has the first contact jaw and the second contact jaw and between described first contact jaw and the second contact jaw and orthogonal first side plate and the second side plate, first contact jaw of described resistance heating plate is fixedly mounted on the upper end of another binding post, second contact jaw of resistance heating plate is fixedly connected with described base plate, mist is packaged with in described confined space, first side plate of described resistance heating plate is provided with the first notch board portion that at least one concaves, second side plate of described resistance heating plate is provided with the second notch board portion that at least one concaves.
In the utility model, described first notch board portion, the second notch board quality award from the ministry choosing are two, and the shape in the first notch board portion, the second notch board portion is rectangular or semicircle.
In the utility model, the thickness of described resistance heating plate is preferably 0.1 ~ 0.6mm.
After adopting such structure, the utility model has following beneficial effect:
The utility model is provided with at least one first notch board portion concaved on the first side plate of resistance heating plate; second side plate of resistance heating plate is provided with the second notch board portion that at least one concaves; like this when micro-exception occurs loop current or low-voltage operating mode electric current does not reach protector rated current; the caloric value of resistance heating plate can increase sharply; its caloric value can impact temperature-sensitive plate directly, comprehensively; cut off the electricity supply in time; substantially increase flip-flop transition and the speed of temperature-sensitive plate, power consumption equipment is provided and protects more in time, more accurately.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is a kind of structural representation of the built-in overcurrent overheat protector of the utility model.
Fig. 2 is a kind of structural representation of resistance heating plate in the utility model.
Fig. 3 is the schematic front view of resistance heating plate in the utility model.
Fig. 4 is the schematic top plan view of resistance heating plate in the utility model.
Embodiment
See the built-in overcurrent overheat protector of the one shown in Fig. 1 to Fig. 4, it is fixedly mounted on the inside of the power consumption equipment such as compressor or motor, for by the failure of current of power consumption equipment when overcurrent overheat operating mode, it comprises the metal shell 1 of top seal, bottom opening, by the metal base plate 2 bottom shell described in welded closure 1, be provided with moving contact 3 and overturn when reaching setting overcurrent value, lower than the temperature-sensitive plate 4 resetted during setting overcurrent value, the fixed contact 5 arranged corresponding to described moving contact 3, and resistance heating plate 6 and two binding posts 7,8, described two binding posts 7, the upper end of 8 is each passed through described base plate 2 and stretches in the confined space 9 that shell 1 and base plate 2 form, described two binding posts 7, the shaft of 8 is connected with described base plate 2 insulated enclosure respectively by insulating glass, described fixed contact 5 is fixedly mounted on the upper end of one of them binding post 7 by support plate, described resistance heating plate 6 has the first contact jaw 6-1 and the second contact jaw 6-2 and between described first contact jaw 6-1 and the second contact jaw 6-2 and orthogonal first side plate 6a and the second side plate 6b, first contact jaw 6-1 of described resistance heating plate 6 is by being welded and fixed the upper end being arranged on another binding post 8, second contact jaw 6-2 of resistance heating plate 6 is fixedly connected with described base plate 2 by welding, mist is packaged with in described confined space 9, described mist is preferably mixed by helium and nitrogen, first side plate 6a of described resistance heating plate 6 is provided with the first notch board portion 6a-1 that at least one concaves, second side plate 6b of described resistance heating plate 6 is provided with the second notch board portion 6b-1 that at least one concaves.In the utility model, described temperature-sensitive plate 4 is bimetal leaf or three sheet metals.
In the utility model, as shown in Figure 2,3, described first notch board portion 6a-1, the second notch board portion 6b-1 are preferably two, and the shape of the first notch board portion 6a-1, the second notch board portion 6b-1 is preferably rectangular or semicircle etc.
In the utility model, the thickness of described resistance heating plate 6 is preferably 0.1 ~ 0.6mm, and it adopts copper alloy class or stainless steel system class material.
Through on probation, the utility model, when micro-exception or low-voltage operating mode electric current do not reach protector rated current, can be cut off the electricity supply in time, provide accurate protection to the power consumption equipment such as compressor or motor, achieve good effect.
Claims (3)
1. a built-in overcurrent overheat protector, for by the failure of current of power consumption equipment when overcurrent overheat operating mode, it comprises the metal shell (1) of top seal, bottom opening, close the metal base plate (2) of described shell (1) bottom, be provided with moving contact (3) and overturn when reaching setting overcurrent value, lower than the temperature-sensitive plate (4) resetted during setting overcurrent value, the fixed contact (5) arranged corresponding to described moving contact (3), and resistance heating plate (6) and two binding posts (7,8); described two binding posts (7,8) upper end is each passed through described base plate (2) and stretches in the confined space (9) that shell (1) and base plate (2) form, described two binding posts (7,8) shaft is connected with described base plate (2) insulated enclosure respectively, described fixed contact (5) is fixedly mounted on the upper end of one of them binding post (7), described resistance heating plate (6) has the first contact jaw (6-1) and the second contact jaw (6-2) and to be positioned between described first contact jaw (6-1) and the second contact jaw (6-2) and orthogonal first side plate (6a) and the second side plate (6b), first contact jaw (6-1) of described resistance heating plate (6) is fixedly mounted on the upper end of another binding post (8), second contact jaw (6-2) of resistance heating plate (6) is fixedly connected with described base plate (2), mist is packaged with in described confined space (9), it is characterized in that: on first side plate (6a) of described resistance heating plate (6), be provided with the first notch board portion (6a-1) that at least one concaves, second side plate (6b) of described resistance heating plate (6) is provided with the second notch board portion (6b-1) that at least one concaves.
2. built-in overcurrent overheat protector according to claim 1; it is characterized in that: described first notch board portion (6a-1), the second notch board portion (6b-1) are two, and the shape in the first notch board portion (6a-1), the second notch board portion (6b-1) is rectangular or semicircle.
3. built-in overcurrent overheat protector according to claim 1 and 2, is characterized in that: the thickness of described resistance heating plate (6) is 0.1 ~ 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765827.1U CN205016485U (en) | 2015-09-30 | 2015-09-30 | Built -in over -current overheating protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765827.1U CN205016485U (en) | 2015-09-30 | 2015-09-30 | Built -in over -current overheating protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016485U true CN205016485U (en) | 2016-02-03 |
Family
ID=55215077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765827.1U Active CN205016485U (en) | 2015-09-30 | 2015-09-30 | Built -in over -current overheating protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039202A (en) * | 2017-05-25 | 2017-08-11 | 匡成效 | The sealing layer manufacturing method of overcurrent overheat non-electricity protector |
-
2015
- 2015-09-30 CN CN201520765827.1U patent/CN205016485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039202A (en) * | 2017-05-25 | 2017-08-11 | 匡成效 | The sealing layer manufacturing method of overcurrent overheat non-electricity protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170119 Address after: 213031 Jiangsu Province, Changzhou City New District No. 99 new road Patentee after: Changzhou evergreen Electric Appliance Co., Ltd. Address before: 213127 Jiangsu province Changzhou City New District Chang Heng garden 35 room 402 Patentee before: Kuang Chengxiao |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200911 Address after: No.2, information Avenue, Xinbei District, Changzhou City, Jiangsu Province Patentee after: JIANGSU CHANGRONG ELECTRICAL APPLIANCE Co.,Ltd. Address before: 213031 Jiangsu Province, Changzhou City New District No. 99 new road Patentee before: CHANGZHOU CHANGRONG ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.2, information Avenue, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Changrong Electric Appliance Co., Ltd Address before: No.2, information Avenue, Xinbei District, Changzhou City, Jiangsu Province Patentee before: JIANGSU CHANGRONG ELECTRICAL APPLIANCE Co.,Ltd. |