CN203504771U - Thermal insulation apparatus of fusing support member of electric blanket protection circuit - Google Patents
Thermal insulation apparatus of fusing support member of electric blanket protection circuit Download PDFInfo
- Publication number
- CN203504771U CN203504771U CN201320656374.XU CN201320656374U CN203504771U CN 203504771 U CN203504771 U CN 203504771U CN 201320656374 U CN201320656374 U CN 201320656374U CN 203504771 U CN203504771 U CN 203504771U
- Authority
- CN
- China
- Prior art keywords
- casing
- fusing
- box body
- support member
- thermal insulation
- 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 - Lifetime
Links
- 238000009413 insulation Methods 0.000 title abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 208000002925 dental caries Diseases 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 4
- 238000007789 sealing Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Control Of Resistance Heating (AREA)
Abstract
The utility model, which belongs to the technical field of electric blanket manufacturing, discloses a thermal insulation apparatus of a fusing support member of an electric blanket protection circuit. The thermal insulation apparatus comprises a box body (1), a box cover (2), a separation board (3) and an electric heater (4). The box cover (2) is hinged to the top of the box body (1) and is used for sealing and covering the box body (1). The separation board (3) is arranged at the middle portion of the box body (1) to divide the box body (1) into an upper cavity and a lower cavity; a plurality of through holes (5) are arranged in the separation board (3); and an electric heater (4) is arranged in the lower cavity. According to the embodiment of the utility model, the thermal insulation apparatus includes the box body with the thermal insulation function. And the separation board divides the box body into the upper cavity and the lower cavity; and the lower cavity is used for heating and the upper cavity is used for placing the fusing support member, and thus the fusing support member is maintained to be under a certain temperature to be in a soft state, so that the fusing support member can be installed conveniently.
Description
Technical field
The utility model belongs to electric blanket manufacturing technology field, particularly a kind of attemperator of fusing strutting piece of electric blanket protective circuit.
Background technology
Along with the development of technology, existing electric blanket has been realized intelligent control, once electric blanket goes wrong or short circuit appears in circuit, the protective circuit in the controller being connected with electric blanket can automatic cut-off power, the accident such as avoids occurring scalding or on fire.
The heating wire of existing electric blanket is generally double-decker, once heating wire is overheated, internal layer is heated and melts the wire short circuit make between two-layer every face, and then the protective circuit in controller is cut off the electricity supply.Protective circuit adopts following two kinds of modes to realize the control of circuit conventionally:
Granted publication number discloses a kind of electric heating beddings with full circuit safety protection for the Chinese patent of CN2429055Y; its protective circuit comprises the insulating barrier between ground floor conductor RL, second layer conductor RS and two conductors; when ground floor heating wire, there is the abnormalities such as broken-wire ignition, energising; cause that localized hyperthermia is overheated by the insulating barrier thawing between two-layer, two-layer conductor contact is used for cutting off the electricity supply.
Granted publication is number for the Chinese patent of CN202364400U discloses a kind of temperature control cloak knee blanket provided that bipolar power supply disconnects protective device automatically that has, and its protective circuit comprises the thermal fuse F T between two hot protective resistances (R32, R33), controllable silicon SCR 2, two hot protective resistances.Wherein, occur after abnormal conditions; two hot protective resistances (R32, R33) form path by controllable silicon SCR 2 and the power supply other end; source current flows through two hot protective resistances (R32, R33) and makes it heating up rapidly; when two hot protective resistances (R32, R33) are elevated to after uniform temperature, just can quick-break be stuck in the middle thermal fuse F T of two hot protective resistances (R32, R33).At this moment string has power supply one utmost point of thermal fuse F T and circuit loop to disconnect.
Wherein, no matter adopt above-mentioned the first protected mode or the second protected mode; on the circuit board of protective circuit, all need to install a fusing strutting piece for placing heat generating member and heating fuse element, for separating and prevent local overheating damage circuit board with circuit board.Conventionally fusing strutting piece is working of plastics, and its two ends are respectively storage tank and pin, and its pin can insert in the fixing hole that is fixed on back of circuit board.Particularly, the aforesaid the second protected mode of take describes as example, and in Fig. 1, circuit board 8 backs are inserted with fusing strutting piece 7, and the storage tank both sides of fusing strutting piece 7 are provided with between the hot protective resistance 9 of two hot protective resistances 9, two and are provided with thermal cut-off 10.
Inventor finds when realizing process of the present utility model: the material of existing fusing strutting piece is harder, is not easy to be installed on circuit board.
Summary of the invention
For the ease of fusing strutting piece is installed on circuit board, the utility model provides a kind of attemperator, and fusing strutting piece is placed in this attemperator and keeps soft, is convenient to install.Described technical scheme is as follows:
The utility model embodiment provides a kind of attemperator of fusing strutting piece of electric blanket protective circuit; this device comprises casing 1, case lid 2, dividing plate 3 and electric heater 4; described case lid 2 is hinged on described casing 1 top for casing described in capping 1; described dividing plate 3 is located at described casing 1 middle part described casing 1 is divided into upper and lower two cavitys; described dividing plate 3 is provided with a plurality of through holes 5, is provided with described electric heater 4 in described lower chamber.
Wherein, the through hole 5 in the utility model embodiment is circular hole, and aperture is 4-7mm.
Wherein, the case lid 2 in the utility model embodiment is articulated with described casing 1 top by hinge.
Wherein, the casing 1 in the utility model embodiment comprises outer metal level and inner metal layer, and the interlayer inside that described outer metal level and inner metal layer form is provided with insulation material 6.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model embodiment provides a kind of attemperator of fusing strutting piece of electric blanket protective circuit; this attemperator comprises that one has the casing of heat insulation function; dividing plate is divided into upper and lower two cavitys by casing; lower chamber is for heating; upper cavity is used for placing fusing strutting piece makes it keep uniform temperature to allow it in compared with soft condition, the installation of the strutting piece of being convenient to fuse.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of the fusing strutting piece of electric blanket protective circuit of the prior art;
Fig. 2 is the structural representation of the attemperator that provides of the utility model embodiment;
Fig. 3 is the vertical view of the attemperator that provides of the utility model embodiment.
In figure: 1 casing, 2 case lids, 3 dividing plates, 4 electric heaters, 5 through holes, 6 insulation materials, 7 fusing strutting pieces, 8 circuit boards, 9 hot protective resistances, 10 thermal cut-ofves.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 2 and Fig. 3, the utility model embodiment provides a kind of attemperator of fusing strutting piece of electric blanket protective circuit, and this attemperator comprises casing 1, case lid 2, dividing plate 3 and electric heater 4.Wherein, casing 1 top is opening, and case lid 2 is hinged on a side at casing 1 top for an airtight body structure of opening composition of capping casing 1.Particularly, casing 1 and case lid 2 form cuboid box body structure.Wherein, dividing plate 3 is located at casing 1 middle part casing 1 is divided into upper and lower two cavitys (upper cavity and lower chamber), and particularly, dividing plate 3 is horizontally fixed on the centre position of casing 1 inside.Dividing plate 3 is provided with a plurality of through holes 5 for being communicated with upper and lower two cavitys, and the size strutting piece that prevents from fusing that the aperture of through hole 5 is less than fusing strutting piece falls into lower chamber.Wherein, casing 1 has certain heat insulation function, and its upper cavity is used for placing fusing strutting piece, is provided with electric heater 4 and provides thermal source for whole attemperator in its lower chamber.Particularly, electric heater 4 comprises heating wire, heat sensor and controller, for the temperature of controlling in casing 1, is 50 ℃ of left and right.
Wherein, referring to Fig. 3, the through hole 5 in the utility model embodiment is circular hole, and aperture is 4-7mm.
Wherein, the case lid 2 in the utility model embodiment is articulated with a side at casing 1 top by hinge.
Wherein, referring to Fig. 3, the casing 1 in the utility model embodiment comprises inside and outside two-layer, is respectively outer metal level and inner metal layer, and the interlayer inside that outer metal level and inner metal layer form is provided with insulation material 6 to improve the heat insulation effect of this device.Wherein, insulation material 6 can be specifically the insulation materials such as foam.
The utility model embodiment provides a kind of attemperator of fusing strutting piece of electric blanket protective circuit; this attemperator comprises that one has the casing of heat insulation function; dividing plate is divided into upper and lower two cavitys by casing; lower chamber is for heating; upper cavity is used for placing fusing strutting piece makes it keep uniform temperature to allow it in compared with soft condition, the installation of the strutting piece of being convenient to fuse.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. the attemperator of the fusing strutting piece of an electric blanket protective circuit; it is characterized in that; comprise casing (1), case lid (2), dividing plate (3) and electric heater (4); described case lid (2) is hinged on described casing (1) top for casing (1) described in capping; described dividing plate (3) is located at described casing (1) middle part described casing (1) is divided into upper and lower two cavitys; described dividing plate (3) is provided with a plurality of through holes (5), is provided with described electric heater (4) in described lower chamber.
2. attemperator according to claim 1, is characterized in that, described through hole (5) is circular hole, and aperture is 4-7mm.
3. attemperator according to claim 1, is characterized in that, described case lid (2) is articulated with described casing (1) top by hinge.
4. attemperator according to claim 1, is characterized in that, described casing (1) comprises outer metal level and inner metal layer, and the interlayer inside that described outer metal level and inner metal layer form is provided with insulation material (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656374.XU CN203504771U (en) | 2013-10-24 | 2013-10-24 | Thermal insulation apparatus of fusing support member of electric blanket protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656374.XU CN203504771U (en) | 2013-10-24 | 2013-10-24 | Thermal insulation apparatus of fusing support member of electric blanket protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504771U true CN203504771U (en) | 2014-03-26 |
Family
ID=50335708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656374.XU Expired - Lifetime CN203504771U (en) | 2013-10-24 | 2013-10-24 | Thermal insulation apparatus of fusing support member of electric blanket protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114601623A (en) * | 2022-03-14 | 2022-06-10 | 中国人民解放军海军军医大学 | Portable rewarming device with self-powered function |
-
2013
- 2013-10-24 CN CN201320656374.XU patent/CN203504771U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114601623A (en) * | 2022-03-14 | 2022-06-10 | 中国人民解放军海军军医大学 | Portable rewarming device with self-powered function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
|
| CX01 | Expiry of patent term |