CN208538581U - A kind of wire wound resistor of novel belt overheat protector structure - Google Patents
A kind of wire wound resistor of novel belt overheat protector structure Download PDFInfo
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- CN208538581U CN208538581U CN201821135412.6U CN201821135412U CN208538581U CN 208538581 U CN208538581 U CN 208538581U CN 201821135412 U CN201821135412 U CN 201821135412U CN 208538581 U CN208538581 U CN 208538581U
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- film layer
- left end
- end cap
- external member
- cap
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Abstract
The utility model discloses a kind of wire wound resistors of novel belt overheat protector structure; conductive film layer is coated on film layer matrix; when resistor body constant temperature rises to certain numerical value; conductive film layer fuses; so that circuit breaker; Thermal Cutoffs, mature production technology are substituted using conductive film layer, cost is far below Thermal Cutoffs；And can be adapted for high-volume automated production using the structural member of film layer matrix appearance coating conductive film layer, meeting client reduces the requirement of cost；The compact precision of this resistor structure can effectively reduce small product size, more be able to satisfy the Miniaturization Design demand of electronic product；Buttock line (pin) is independent to be welded with left end cap or right end cap, it is ensured that buttock line is welded on the center of circle of end cap, so that two pins of finished product guarantee on same axis, is suitble to the automatic insertion of PCB, the time cost of PCB assembling is effectively reduced, improve production efficiency.
Description
Technical field
The utility model relates to electronic component technical fields, are to be related to a kind of novel belt overheat protector more specifically
The wire wound resistor of structure.
Background technique
There is glitch electric current in circuit, or the situation of half short circuit, the fusing resistor in the electronic products such as charger without
Method quick fuse, and resistor body constant temperature rises, body surface temperature can reach 300 ~ 500 DEG C or more, lasting height
Temperature, the shell that will lead to the electronic products such as charger deform thawing, so as to cause the exposed risk got an electric shock of electrode, very
To leading to fire risk, present existing overheat protector resistance, first is that using finished product temperature fuse, by Thermal Cutoffs one
It is inserted into resistance base body after 180 ° of bending and moldings of pin, then is electrically connected with the metal cap on matrix, or by Thermal Cutoffs finished product
Or inner structural members (2 pin welding alloys coat fluxing disconnected agent) are built in the long metal cap of special construction of inner cavity insulation, one
A pin is pierced by from the bottom opening of long metal cap and is electrically connected afterwards with metal cap, then presses in the matrix of resistance, subsequent technique
Using the conventionally produced finished product out of wire resistor.
But existing overheat protector resistance, due to structural factor, prevent Thermal Cutoffs pin is from placed in the middle, entire finished product
2 pins cannot be maintained on same axis, influence the automatic insertion of PCB；Base is inserted into the 180 ° of bendings of Thermal Cutoffs pin
The production technology of body is complicated, it is difficult to realize the wearing of automation, Thermal Cutoffs finished product or internal structure and particulate metal cap, electricity
It is complicated to connect production technology, it is difficult to realize automation, cause the material of entire finished product, manufacturing cost high.
Summary of the invention
It is excellent by structure the purpose of this utility model is to provide a kind of wire wound resistor of novel belt overheat protector structure
Change, to solve the problem in the prior art.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of novel belt overheat protector structure around
Line resistor, the resistor include film layer matrix, right end cap, conductive cap, long metal external member, insulating sleeve, resistance wire, left end
Cap and buttock line, conductive film layer is coated on the film layer outer surface of matrix, and the right end cap sleeve is located at film layer matrix right part, institute
It states right end cap to connect with conductive film layer electrical conduction, the long metal external member is set on film layer matrix left part, and and conductive film
Layer electrical conduction connection, is provided with insulating layer, the long metal external member left end is arranged between the right end cap and long metal external member
Left end cap is clamped with insulating sleeve, and is dielectrically separated from by insulating sleeve realization, institute between the left end cap and long metal external member
It states and circuit communication is realized by resistance wire between left end cap and long metal external member, be fixedly connected on the right end cap and left end cap
There is buttock line.
Preferably, the long metal external member is the tubular structure of left end sealing, and nozzle one end is equipped with turnup structure, described
Insulating sleeve is the tubular structure of left end sealing, and the insulating sleeve is set in long metal external member periphery, and pipe clamp from left end
In the slot position that long metal external member and flange are formed.
It preferably, is that conductive cap is embedded in seat on the inside of the long metal external member left end, the conductive cap is embedded on seat and is embedded with
Conductive cap, the conductive cap are sleeved on the conductive film layer of film layer matrix left end, and the conductive film layer passes through conductive cap and long metal
The connection of external member electrical conduction.
Preferably, the resistance wire is spiral resistance wire.
Preferably, the resistance wire periphery wraps up in such a way that encapsulating fills or coats and is provided with insulating layer.
Preferably, the resistor periphery is provided with shell.
Preferably, the insulating sleeve and film layer matrix form for ceramic material.
Compared with prior art, the beneficial effects of the utility model are as follows:
Conductive film layer is coated on film layer matrix, it is conductive when resistor body constant temperature rises to certain numerical value
Film layer fuses, so that circuit breaker, using conductive film layer substitution Thermal Cutoffs, mature production technology, cost is remote
Lower than Thermal Cutoffs；And it is automatic to use film layer matrix appearance coating conductive film layer that structural member is made to can be adapted for high-volume
Metaplasia produces, and meeting client reduces the requirement of cost；The compact precision of this resistor structure, can effectively reduce small product size, more can
Meet the Miniaturization Design demand of electronic product；Buttock line (pin) is independent to be welded with left end cap or right end cap, it is ensured that buttock line
It is welded on the center of circle of end cap, two pins of finished product is allowed to guarantee on the same axis, to be suitble to the automatic insertion of PCB, effectively
The time cost of PCB assembling is reduced, production efficiency is improved.
Detailed description of the invention
Fig. 1 is the utility model axial section；
Fig. 2 is the utility model Structure explosion diagram；
Fig. 3 is the long metal external member axial section of the utility model.
In figure: 1 buttock line；2 shells；3 insulating layers；4 resistance wires；5 insulating sleeves；6 long metal external members；61 conductive caps are embedded in
Seat；62 flange；63 slot positions；7 right end caps；8 conductive film layers；9 film layer matrixes；10 insulating layers；11 conductive caps；12 left end caps.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 ~ Fig. 3 is please referred to, a kind of wire wound resistor of novel belt overheat protector structure, the resistor includes film layer base
Body 9, right end cap 7, conductive cap 11, long metal external member 6, insulating sleeve 5, resistance wire 4, left end cap 12 and buttock line 1, the film layer base
Body 9 can be solid ceramic core or hollow ceramic core, be coated with conductive film layer 8, the right end on 9 outer surface of film layer matrix
Cap 7 is set in 9 right part of film layer matrix, and the right end cap 7 is connect with 8 electrical conduction of conductive film layer, long 6 left end of metal external member
Inside is that conductive cap is embedded in seat 61, and the conductive cap, which is embedded on seat 61, is embedded with conductive cap 11, and the conductive cap 11 is sleeved on film
On layer 9 left end conductive film layer 8 of matrix, the conductive film layer 8 is connect by conductive cap 11 with long 6 electrical conduction of metal external member, described
Insulating layer 10 is provided between right end cap 7 and conductive film layer 8 and long metal external member inner cavity 6, long 6 left end of metal external member is arranged
There is left end cap 12, insulating sleeve 5 is clamped between the left end cap 12 and long metal external member 6, the long metal external member 6 is left end
The tubular structure of sealing, and nozzle one end is equipped with 62 structure of flange, the insulating sleeve 5 is that ceramic material or other high temperature resistants are exhausted
Edge material is made, and the insulating sleeve 5 is the tubular structure of left end sealing, and the insulating sleeve 5 is set in length from left end
6 periphery of metal external member, and pipe clamp, in the slot position 63 that long metal external member 6 is formed with flange 62, the long metal external member 6 is logical
It crosses the realization of insulating sleeve 5 to be dielectrically separated from, circuit communication is realized by resistance wire 4 between the left end cap 12 and long metal external member 6,
The resistance wire 4 is spiral resistance wire, and described 4 one end of spiral resistance wire is welded on left end cap 12, and the other end is welded on
Long 6 flange of metal external member, 62 outside, 4 periphery of resistance wire wraps up in such a way that encapsulating fills or coats and is provided with insulating layer
3, the film layer matrix 9 ceramic material or other make with more gap high-temperature insulation materials, the use of insulating sleeve 5
Ceramic material forms or other high-temperature insulation materials, is fixedly connected to buttock line on the right end cap 7 and left end cap 12
1, the buttock line 1 is coaxially disposed, and the resistor periphery is provided with shell 2, and the shell 2 plays in insulation and protective resistor
The effect of portion's component, the shell 2 can be hard material and be also possible to soft elastic material.
Working principle: two buttock lines 1 are connected to the positive and negative anodes of circuit, connect circuit cathode below with right end buttock line 1
For carry out circuit explanation, electric current is transmitted to the conductive film layer of 9 outer surface of film layer matrix by right end cap 7 from the access of right end buttock line
On 8, and conductive cap 11 is transmitted to by conductive film layer 8, long metal external member 6 is then entered by the conduction of conductive cap 11, then into
Enter spiral resistance wire 4, be transmitted on left end buttock line 1 after resistance wire 4 from left end cap 12 and enter circuit anode end, forms one
A complete circuit.
In summary: the utility model is coated with conductive film layer 8, when circuit abnormality electric current passes through electricity on film layer matrix 9
Resistance device cannot such as fuse, when resistor body constant temperature rises to certain numerical value, the work fusing of conductive film layer 8, so that
Circuit breaker avoids excess temperature, fire hazard, and using the substitution Thermal Cutoffs of conductive film layer 8, mature production technology, cost is far low
In Thermal Cutoffs；And the built-in structural member using 9 appearance of film layer matrix coating conductive film layer 8 can be adapted for high-volume certainly
Dynamic metaplasia produces, and meeting client reduces the requirement of cost；The compact precision of this resistor structure, can effectively reduce small product size, more
It is able to satisfy the Miniaturization Design demand of electronic product；Buttock line 1(pin) it is independently welded with left end cap 12 or right end cap 7, Ke Yibao
Card buttock line is welded on the center of circle of end cap, and two pins of finished product is allowed to guarantee on the same axis, the automatic of PCB to be suitble to insert
The time cost of PCB assembling is effectively reduced in part, improves production efficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of wire wound resistor of novel belt overheat protector structure, it is characterised in that: the resistor includes film layer matrix
(9), right end cap (7), conductive cap (11), long metal external member (6), insulating sleeve (5), resistance wire (4), left end cap (12) and buttock line
(1), conductive film layer (8) are coated on film layer matrix (9) outer surface, the right end cap (7) is set in film layer matrix (9) right side
End, the right end cap (7) connect with conductive film layer (8) electrical conduction, and the long metal external member (6) is set in film layer matrix (9)
It on left part, and is connect with conductive film layer (8) electrical conduction, is provided with insulation between the right end cap (7) and long metal external member (6)
Layer (10), long metal external member (6) left end is arranged with left end cap (12), the left end cap (12) and long metal external member (6) it
Between be clamped with insulating sleeve (5), and realized and be dielectrically separated from by insulating sleeve (5), the left end cap (12) and long metal external member
(6) circuit communication is realized by resistance wire (4) between, is fixedly connected to buttock line on the right end cap (7) and left end cap (12)
(1).
2. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1, it is characterised in that: the length
Metal external member (6) is the tubular structure of left end sealing, and nozzle one end is equipped with flange (62) structure, and the insulating sleeve (5) is
The tubular structure of left end sealing, the insulating sleeve (5) is set in long metal external member (6) periphery from left end, and pipe clamp is mounted in
In the slot position (63) that long metal external member (6) and flange (62) are formed.
3. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1 or 2, it is characterised in that: institute
Stating on the inside of long metal external member (6) left end is that conductive cap is embedded in seat (61), and the conductive cap is embedded on seat (61) embedded with conductive cap
(11), the conductive cap (11) is sleeved on film layer matrix (9) left end conductive film layer (8), and the conductive film layer (8) passes through conduction
Cap (11) is connect with long metal external member (6) electrical conduction.
4. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1, it is characterised in that: the electricity
Hindering silk (4) is spiral resistance wire.
5. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1 or 4, it is characterised in that: institute
Resistance wire (4) periphery is stated to wrap up in such a way that encapsulating fills or coats and be provided with insulating layer (3).
6. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1, it is characterised in that: the electricity
Resistance device periphery is provided with shell (2).
7. a kind of wire wound resistor of novel belt overheat protector structure according to claim 1, it is characterised in that: described exhausted
Edge casing (5) and film layer matrix (9) form for ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135412.6U CN208538581U (en) | 2018-07-18 | 2018-07-18 | A kind of wire wound resistor of novel belt overheat protector structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821135412.6U CN208538581U (en) | 2018-07-18 | 2018-07-18 | A kind of wire wound resistor of novel belt overheat protector structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208538581U true CN208538581U (en) | 2019-02-22 |
Family
ID=65388526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821135412.6U Expired - Fee Related CN208538581U (en) | 2018-07-18 | 2018-07-18 | A kind of wire wound resistor of novel belt overheat protector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208538581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491736A (en) * | 2019-07-24 | 2019-11-22 | 楼显华 | A kind of method of fuse casing bit and fuse casing |
-
2018
- 2018-07-18 CN CN201821135412.6U patent/CN208538581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491736A (en) * | 2019-07-24 | 2019-11-22 | 楼显华 | A kind of method of fuse casing bit and fuse casing |
| CN110491736B (en) * | 2019-07-24 | 2021-07-30 | 湖南德力电力建设集团有限公司 | Fuse bushing device and method for fuse bushing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190627 Address after: Room 402, No. 56 Chengnan Erli, Tong'an District, Xiamen City, Fujian Province Co-patentee after: Wang Yiming Patentee after: Wang Mai Address before: Room 402, No. 56 Chengnan Erli, Tong'an District, Xiamen City, Fujian Province Patentee before: Wang Mai |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |