CN209374196U - A kind of cement resistor shell with heat sinking function - Google Patents
A kind of cement resistor shell with heat sinking function Download PDFInfo
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- CN209374196U CN209374196U CN201920208201.9U CN201920208201U CN209374196U CN 209374196 U CN209374196 U CN 209374196U CN 201920208201 U CN201920208201 U CN 201920208201U CN 209374196 U CN209374196 U CN 209374196U
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- ceramic shell
- short tube
- shell
- heat dissipation
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Abstract
The utility model discloses a kind of cement resistor shell with heat sinking function, belong to electronic component technology field, its key points of the technical solution are that, including ceramic shell, the ceramic shell is rectangular groove body, resistance wire is placed in the ceramic shell, the resistance wire is uniformly placed in inside ceramic shell, two ends of the resistance wire are stretched out from ceramic shell short side respectively, heat dissipation copper pipe is provided between the resistance wire and ceramic shell bottom surface, the heat dissipation copper pipe fitting is set to ceramic shell inner bottom surface, the heat dissipation copper pipe is placed along ceramic shell length direction, and more are distributed in the width direction, one end of the heat dissipation copper pipe stretches out the short side of ceramic shell and is connected with heat dissipation terminal.The hot gas come out when resistance wire is worked dissipates the hot gas inside heat dissipation copper pipe by the good metal block of thermal conductivity for the terminal that radiates.The utility model is suitable for the setting of cement resistor.
Description
Technical field
The utility model relates to electronic component technology field, in particular to a kind of cement resistor shell with heat sinking function
Body.
Background technique
Currently, cement resistor is one kind of wirewound resistor, it belongs to the biggish resistance of power, can allow for larger electricity
Stream passes through, its effect can only be used in the big occasion of electric current as general resistance.Cement resistor often uses fire clay
Resistive conductor is wound on without on alkaline heat resisting porcelain part, is sealed to form with the filling of special incombustible thermal cement by encapsulating.
In the prior art, the shell of cement resistor is generally adopted by the ceramics heat-resisting without alkalinity, general cement electricity
The ceramic shell of resistance is square groove shape, and resistive conductor is placed with inside the ceramic shell of square groove shape, then will by encapsulating fire clay
Resistive conductor is enclosed in inside ceramic shell.
Prior art among the above has the following deficiencies: that in the prior art resistance holds due to working for a long time
It is also easy to produce heat, when the heat of generation is excessive, is easy to shorten the service life of cement resistor, or be easy to cause cement
The damage of resistor.
Utility model content
The purpose of the utility model is to provide a kind of the cement resistor shell with heat sinking function, the effect with heat dissipation
Fruit.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of cement resistor shell with heat sinking function, including ceramic shell, the ceramic shell are rectangular slot
Body is placed with resistance wire in the ceramic shell, and the resistance wire is uniformly placed in inside ceramic shell, the resistance wire
Two ends are stretched out from ceramic shell short side respectively, and heat dissipation copper pipe is provided between the resistance wire and ceramic shell bottom surface, described
Heat dissipation copper pipe fitting is set to ceramic shell inner bottom surface, and the heat dissipation copper pipe is placed along ceramic shell length direction, and along width
Directional spreding has more, and one end of the heat dissipation copper pipe stretches out the short side of ceramic shell and is connected with heat dissipation terminal.
By using above-mentioned technical proposal, resistance wire is placed in inside ceramic shell, by fire clay to ceramic shell into
Row encapsulating, then following process is carried out, cement resistor is made.Heat can be generated when cement resistor uses for a long time, and
When the heat of generation is too high, when distributing not in time, it is easy to burning for cement resistor is caused, so as to shorten cement resistor
The service life of device.Therefore, it is provided with heat dissipation copper pipe between resistance wire and ceramic shell inner bottom surface, is dissipated when resistance wire is worked
The hot gas issued dissipates the hot gas inside heat dissipation copper pipe by the good metal block of thermal conductivity for the terminal that radiates.
Further, the junction and the heat dissipation copper pipe of the heat dissipation copper pipe and resistance wire and ceramic shell inner bottom surface
Junction be fixedly installed heat-conducting silicone grease.
By using above-mentioned technical proposal, the heat that resistance wire generates when working can be good thermally conductive by heat-conducting silicone grease
Property be transferred to above heat dissipation copper pipe well, then by radiate terminal thermal conductivity good metal block heat is distributed, from
And reduce the heat above resistance wire.
Further, the two sides of the ceramic shell along its length offer several heat release holes.
By using above-mentioned technical proposal, the setting of heat release hole can play the role of heat dissipation, make inside ceramic shell
Hot gas distributes well.
Further, the both sides of the ceramic shell inner bottom surface along its length are provided with several perpendicular to ceramic shell
Level-one short tube and second level short tube identical as level-one short tube structure, the level-one short tube and second level short tube are about ceramic shell length side
To center line symmetrical setting, the resistance wire is radially staggered to be arranged in level-one short tube and second level short tube.
By using above-mentioned technical proposal, resistance wire is arranged in level-one short tube and second level short tube, on the one hand, passes through level-one
Short tube and second level short tube can play fixed effect to resistance wire, be sky among level-one short tube and second level short tube on the other hand
Heart setting, can give out the partial heat of resistance wire operation generation, can play the role of cooling.Resistance wire is staggeredly worn
It in level-one short tube and second level short tube, can make that resistance wire can be uniformly distributed inside ceramic shell.
Further, the ceramic shell offers level-one through-hole, the ceramic shell close to the two sides of level-one short tube
Two sides close to second level short tube offer secondary through holes, and the level-one through-hole and secondary through holes inside edge are provided with protective case.
By using above-mentioned technical proposal, resistance wire can be arranged in level-one and led to by operator according to the needs of installation
In hole or secondary through holes.When resistance wire is arranged in level-one through-hole and secondary through holes, produced between ceramic shell and resistance wire
The edge of raw friction, level-one through-hole and secondary through holes be easy to cause the damage of resistance wire, and protective case is arranged, being capable of protective resistance silk
It is not readily susceptible to damage.
Further, between the level-one short tube and ceramic shell inner bottom surface and in the second level short tube and ceramic shell
It is disposed as detachably being threadedly coupled between bottom surface.
By using above-mentioned technical proposal, operator can staggeredly be arranged in one using resistance wire according to the needs of equipment
Mode of the grade short tube perhaps in second level short tube connects or is both needed to mode to be used using level-one short tube and second level short tube and is connected
It connects, when there is extra level-one short tube that can directly unscrew level-one short tube or second level short tube when perhaps second level short tube is not used
Screw thread, taking-up are used in next block of plate, to achieve the effect that save material.
Further, one end of the bottom surface of the level-one short tube and second level short tube far from ceramic shell, which is clamped, is provided with top
Lid.
By using above-mentioned technical proposal, when being potted by fire clay to ceramic shell, due to level-one short tube and two
It is arranged centered on the middle position of grade short tube, therefore fire clay is easy to the middle part that level-one short tube and second level short tube are lived in encapsulating
Position.Top cover is set, fire clay can be made to be not easily accessed the middle section of level-one short tube and second level short tube, make level-one short tube and two
The function of grade short tube heat dissipation is not readily susceptible to influence.
Further, the height of the level-one short tube and second level short tube is 0.7 to 0.8 times of ceramic shell height.
By using above-mentioned technical proposal, the height of level-one short tube, second level short tube and ceramic shell is limited, ceramic shell is made
When encapsulating fire clay, level-one short tube and second level short tube can be embedded in the inside of ceramic shell, achieve the effect that beauty.
In conclusion the utility model has the following beneficial effects:
1. the effect of heat dissipation can be played by heat dissipation copper pipe, the setting for the terminal, heat-conducting silicone grease and heat release hole of radiating；
2. passing through the setting of level-one short tube and second level short tube, the effect of fixed resistance silk can be played；
3. the effect that resistance wire is less likely to be damaged can be played by the setting of protective case.
Detailed description of the invention
Fig. 1 is integrally-built schematic diagram in the present embodiment.
In figure, 1, ceramic shell；2, resistance wire；3, heat dissipation copper pipe；31, radiate terminal；32, heat-conducting silicone grease；4, heat release hole；
5, level-one short tube；51, second level short tube；6, level-one through-hole；61, secondary through holes；7, protective case；8, top cover.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of cement resistor shell with heat sinking function disclosed by the utility model, including ceramic case
Body 1, ceramic shell 1 are rectangular groove body, are placed with resistance wire 2 in ceramic shell 1, resistance wire 2 is uniformly placed in ceramic case
Inside body 1, two ends of resistance wire 2 are stretched out from 1 short side of ceramic shell respectively.Cement resistor can generate heat when using for a long time
Amount, when the heat of generation is too high, when distributing not in time, it is easy to burning for cement resistor is caused, so as to shorten cement
The service life of resistor.Therefore, heat dissipation copper pipe 3, heat dissipation copper pipe 3 are provided between resistance wire 2 and the bottom surface of ceramic shell 1
Fitting is set to 1 inner bottom surface of ceramic shell, and heat dissipation copper pipe 3 is placed along 1 length direction of ceramic shell, and is distributed in the width direction
More.One end of heat dissipation copper pipe 3 stretches out the short side of ceramic shell 1 and is connected with heat dissipation terminal 31, passes through the terminal 31 that radiates
The good metal block of thermal conductivity dissipate the hot gas of the inside of heat dissipation copper pipe 3, to improve the service life of cement resistor.
As shown in Figure 1, the junction and heat dissipation copper pipe 3 of heat dissipation copper pipe 3 and resistance wire 2 and 1 inner bottom surface of ceramic shell
Junction is fixedly installed heat-conducting silicone grease 32, and the heat that resistance wire 2 generates when working can be good by heat-conducting silicone grease 32
It is transferred to above heat dissipation copper pipe 3, is then distributed heat by the good metal block of thermal conductivity for the terminal 31 that radiates, to reduce
Heat above resistance wire 2.The two sides of ceramic shell 1 along its length offer several heat release holes 4, can play heat dissipation
Effect, distribute the hot gas inside ceramic shell 1 well.
As shown in Figure 1, the both sides of 1 inner bottom surface of ceramic shell along its length be threaded with it is several perpendicular to ceramic shell
1 level-one short tube 5 and second level short tube 51 identical with 5 structure of level-one short tube, level-one short tube 5 and second level short tube 51 are to resistance wire 2
Play fixed effect.The center line symmetrical setting of level-one short tube 5 and second level short tube 51 about 1 length direction of ceramic shell, electricity
Silk 2 is radially staggered is arranged in level-one short tube 5 and second level short tube 51 for resistance, on the one hand, can make can be uniform inside ceramic shell 1
On the other hand distributed resistance silk 2 is hollow setting among level-one short tube 5 and second level short tube 51, can give out 2 work of resistance wire
As when the partial heat that generates, cooling can be played the role of.And level-one short tube during installation, is used according to the actual situation
5 or second level short tube 51, being not required to remaining level-one short tube 5 or 51 loosening nut of second level short tube to be used can unload for other
On ceramic shell.
As shown in Figure 1, one end of the bottom surface of level-one short tube 5 and second level short tube 51 far from ceramic shell 1 is clamped and is provided with
Top cover 8 can make fire clay be not easily accessed the middle section of level-one short tube 5 and second level short tube 51.Level-one short tube 5 and two is set
The height of grade short tube 51 is 0.7 to 0.8 times of 1 height of ceramic shell, and in the present embodiment, level-one short tube 5 and second level short tube is arranged
51 height is 0.8 times of 1 height of ceramic shell, makes ceramic shell 1 when encapsulating fire clay, can be by level-one short tube 5
It is embedded in the inside of ceramic shell 1 with second level short tube 51, achievees the effect that beauty.
As shown in Figure 1, ceramic shell 1 offers level-one through-hole 6 close to the two sides of level-one short tube 5, ceramic shell 1 is close
The two sides of second level short tube 51 offer secondary through holes 61, pass through for resistive conductor and connect with equipment conducting wire.6 He of level-one through-hole
61 inside edge of secondary through holes is provided with protective case 7, when resistance wire 2 is arranged in level-one through-hole 6 and secondary through holes 61, ceramic case
Between body 1 and resistance wire 2 generate friction, protective case 7 can protective resistance silk 2 be not readily susceptible to damage.
The implementation principle of above-described embodiment are as follows: when production, heat dissipation copper pipe 3 is mounted on level-one short tube 5 and second level
Between short tube 51 and it is bonded the setting of ceramic shell 1, and connects heat dissipation at the position that heat dissipation copper pipe 3 stretches out 1 side of ceramic shell
The good metal block of the thermal conductivity of terminal 31.Resistance wire 2 is arranged in level-one short tube 5 and second level short tube 51 as requested and
It is arranged in serpentine, resistance wire 2 is bonded at the position of heat dissipation copper pipe 3 and is filled by heat-conducting silicone grease 32.In level-one short tube 5 and two
Grade short tube 51 is clamped top cover 8 far from one end of 1 bottom surface of ceramic shell, finally in encapsulating fire clay.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of cement resistor shell with heat sinking function, including ceramic shell (1), the ceramic shell (1) is rectangular
Groove body, is placed with resistance wire (2) in the ceramic shell (1), the resistance wire (2) is uniformly placed in ceramic shell (1)
Inside, two ends of the resistance wire (2) are stretched out from ceramic shell (1) short side respectively, it is characterised in that: the resistance wire (2)
It is provided with heat dissipation copper pipe (3) between ceramic shell (1) bottom surface, heat dissipation copper pipe (3) fitting is set in ceramic shell (1)
Bottom surface, the heat dissipation copper pipe (3) is placed along ceramic shell (1) length direction, and more are distributed in the width direction, the heat dissipation
One end of copper pipe (3) stretches out the short side of ceramic shell (1) and is connected with heat dissipation terminal (31).
2. a kind of cement resistor shell with heat sinking function according to claim 1, it is characterised in that: the heat dissipation
The junction and the heat dissipation copper pipe (3) of copper pipe (3) and resistance wire (2) and the junction of ceramic shell (1) inner bottom surface are solid
Surely heat-conducting silicone grease (32) are provided with.
3. a kind of cement resistor shell with heat sinking function according to claim 2, it is characterised in that: the ceramics
The two sides of shell (1) along its length offer several heat release holes (4).
4. a kind of cement resistor shell with heat sinking function according to claim 3, it is characterised in that: the ceramics
The both sides of shell (1) inner bottom surface along its length are provided with several perpendicular to the level-one short tube (5) of ceramic shell (1) and and level-one
The identical second level short tube (51) of short tube (5) structure, the level-one short tube (5) and second level short tube (51) are about ceramic shell (1) length
The center line symmetrical setting in direction, the resistance wire (2) is radially staggered to be arranged in level-one short tube (5) and second level short tube (51).
5. a kind of cement resistor shell with heat sinking function according to claim 4, it is characterised in that: the ceramics
Shell (1) offers level-one through-hole (6) close to the two sides of level-one short tube (5), and the ceramic shell (1) is close to second level short tube
(51) two sides offer secondary through holes (61), and the level-one through-hole (6) and secondary through holes (61) inside edge are provided with protection
It covers (7).
6. a kind of cement resistor shell with heat sinking function according to claim 5, it is characterised in that: the level-one
It is all provided between short tube (5) and ceramic shell (1) inner bottom surface and between the second level short tube (51) and ceramic shell (1) inner bottom surface
It is set to detachable threaded connection.
7. a kind of cement resistor shell with heat sinking function according to claim 6, it is characterised in that: the level-one
One end of the bottom surface of short tube (5) and second level short tube (51) far from ceramic shell (1), which is clamped, is provided with top cover (8).
8. a kind of cement resistor shell with heat sinking function according to claim 7, it is characterised in that: the level-one
The height of short tube (5) and second level short tube (51) is 0.7 to 0.8 times of ceramic shell (1) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208201.9U CN209374196U (en) | 2019-02-18 | 2019-02-18 | A kind of cement resistor shell with heat sinking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208201.9U CN209374196U (en) | 2019-02-18 | 2019-02-18 | A kind of cement resistor shell with heat sinking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374196U true CN209374196U (en) | 2019-09-10 |
Family
ID=67826967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920208201.9U Active CN209374196U (en) | 2019-02-18 | 2019-02-18 | A kind of cement resistor shell with heat sinking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374196U (en) |
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2019
- 2019-02-18 CN CN201920208201.9U patent/CN209374196U/en active Active
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