CN207149336U - A kind of cement resistor - Google Patents
A kind of cement resistor Download PDFInfo
- Publication number
- CN207149336U CN207149336U CN201721249589.4U CN201721249589U CN207149336U CN 207149336 U CN207149336 U CN 207149336U CN 201721249589 U CN201721249589 U CN 201721249589U CN 207149336 U CN207149336 U CN 207149336U
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- CN
- China
- Prior art keywords
- housing
- opening
- pin
- resistor
- commutation diode
- 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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Abstract
It the utility model is related to a kind of cement resistor, including housing, cavity is provided with housing, the side of housing is provided with the first opening and the second opening connected with cavity, resistor core is provided with cavity, resistor core is in series with commutation diode, the one end of resistor core away from commutation diode is connected with the first pin, the one end of first pin away from resistor core extends to the outside of housing by the first opening, the one end of commutation diode away from resistor core is connected with second pin, the one end of second pin away from commutation diode extends to the outside of housing by the second opening, dummy stack is filled with cavity.The utility model has the advantages that：During use, resistor core is connected in circuit with commutation diode with second pin by the first pin, because resistor core is connected with commutation diode, therefore can be to carrying out rectified action by the electric current of resistor core, and then make electric current more stable, both the requirement of cement resistor had been met, has met the examination of rectification function again.
Description
Technical field
Resistor field is the utility model is related to, more particularly to a kind of cement resistor.
Background technology
Cement resistor is that resistive conductor is wound on without on alkaline heat resisting porcelain part, and outside adds heat-resisting, moisture-proof and corrosion-resistant material
Material protection is fixed and wire resistor body is put into square porcelain inframe, is sealed to form with the filling of special noninflammability thermal cement.Water
The outside of mud resistance is mainly ceramic material.
Chinese patent if application publication number is " CN103578666A " discloses a kind of cement resistor, the encapsulation of its cement
Bending resistance has the characteristics such as high stability, Low ESR, and resistance-inductance is low, miscellaneous caused by resistance when in for vibratory equipment
Sound is very little, and resistance insulation is high and has noninflammability, securely and reliably.But typically only have in this cement resistor
Single pure resistance form, when sense of current is unstable in circuit, the precision of this cement resistor, which tends not to satisfaction, to be made
With requiring, this problem is badly in need of solving.
Utility model content
The purpose of this utility model is to provide a kind of cement resistor, and electric current is more stable when having the function that to use.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of cement resistor, bag
Housing is included, cavity is provided with the housing, the side of the housing is provided with the first opening and second connected with cavity and opened
Mouthful, resistor core is provided with the cavity, the resistor core is in series with commutation diode, and the resistor core is away from commutation diode
One end be connected with the first pin, the described one end of first pin away from resistor core extends to the outer of housing by the first opening
Portion, the one end of the commutation diode away from resistor core are connected with second pin, and the second pin is away from commutation diode
One end extends to the outside of housing by the second opening, and dummy stack is filled with the cavity.
By using above-mentioned technical proposal, in use, by the first pin and second pin by resistor core and the pole of rectification two
Pipe connects in circuit, because resistor core is connected with commutation diode, therefore can be to the electric current progress rectification by resistor core
Effect, and then make electric current more stable, the requirement of cement resistor had both been met, has met the examination of rectification function again.
Preferably, the housing is made of ceramic materials.
By using above-mentioned technical proposal, due to the insulating properties and heat resistance of ceramic material, therefore can it is effectively fire-retardant and
Prevent from leaking electricity.
Preferably, the shape of first opening and the second opening is in the loudspeaker shape of the mouth as one speaks, first opening and the second opening
Cross-sectional area size become larger from the inside to the outside.
By using above-mentioned technical proposal, because the first pin and second pin are needed according to reality during use
Situation is bent, if bending angle it is excessive, the first pin and second pin may be broken off, by by first opening and
Second opening is arranged to loudspeaker mouth shape, and then makes the first pin and second pin when bending, its single opening position bending
Angle changing rate is small, and then prevents the first pin and second pin from being damaged because bending angle is excessive.
Preferably, offer heat emission hole in the housing and dummy stack.
By using above-mentioned technical proposal, meeting heat production energy when being worked due to resistor core, when heat cannot be distributed timely,
The temperature of resistor core can be caused to raise, and then resistive performance may be influenceed, by setting heat emission hole, and then resistor core can be improved
Heat-sinking capability, help to maintain the performance of resistor core.
Preferably, the cooling chamber for depositing coolant is offered in the dummy stack.
By using above-mentioned technical proposal, coolant, coolant absorption resistance when resistor core works are filled in cooling chamber
Heat caused by core, and then contribute to resistor core to radiate.
Preferably, the passage connected with cooling chamber is offered in the dummy stack.
By using above-mentioned technical proposal, because passage connects with cooling chamber, therefore coolant can be flowed in passage,
And then coolant is fully contacted with dummy stack, improve radiating effect.
Preferably, offering the through hole connected with cavity on the housing, rubber stopper is provided with the through hole.
By using above-mentioned technical proposal, rubber stopper is removed or placed into by staff from through hole, and then can be to cold
But coolant is added in chamber.
Preferably, it is provided with outside the housing for preventing the broken protective case of housing.
By using above-mentioned technical proposal, ceramic material is easily broken into pieces, is set protective case to be protected to shell, is prevented
Housing failure.
Preferably, the protective case is made up of elastomeric material.
By using above-mentioned technical proposal, because elastomeric material has certain elasticity, therefore it is made using elastomeric material
Protective case can absorb the external world impact, the effect of protection is relatively good, at the same elastomeric material have preferably to insulating properties, can enter
One step prevents from leaking electricity.
In summary, the utility model has the advantages that：In use, by the first pin and second pin by electricity
Resistance core connects in circuit with commutation diode, because resistor core is connected with commutation diode, therefore can be to passing through resistor core
Electric current carry out rectified action, and then make electric current more stable, both met the requirement of cement resistor, and met rectification function again
Examination.
Brief description of the drawings
Fig. 1 is the structural representation of cement resistor in embodiment, for embodying the position of the first pin and second pin；
Fig. 2 is the sectional view of housing in embodiment, for embodying the position of resistor core and commutation diode；
Fig. 3 is the sectional view of housing in embodiment, for embodying the position relationship of cooling chamber and passage.
In figure, 1, housing；11st, cavity；12nd, dummy stack；2nd, the first opening；21st, the first pin；22nd, resistor core；3rd, second
Opening；31st, second pin；32nd, commutation diode；4th, heat emission hole；41st, cooling chamber；42nd, passage；5th, through hole；51st, rubber stopper；6、
Protective case.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Embodiment：A kind of cement resistor, as depicted in figs. 1 and 2, including housing 1, the shape of housing 1 is in rectangular-shape, shell
Body 1 is made of ceramic materials.Protective case 6 is arranged with outside housing 1, protective case 6 is made up of elastomeric material.Opened up in housing 1 free
Chamber 11, dummy stack 12 is filled with cavity 11.The side of housing 1 offers the first opening 2 and the second opening 3, the first 2 Hes of opening
Second opening 3 is in loudspeaker mouth shape.Diameter becomes larger from the inside to the outside for first opening 2 and the second opening 3.Resistance is placed with cavity 11
Core 22 and commutation diode 32, resistor core 22 are connected with commutation diode 32.One end connection of the resistor core 22 away from the first opening 2
There is the first pin 21, the first pin 21 extends to the outside of housing 1 by the first opening 2.Commutation diode 32 is away from resistor core
22 one end is connected with second pin 31, and second pin 31 extends to the outside of housing 1 by the second opening 3.The side of protective case 6
Heat emission hole 4 is offered on wall, heat emission hole 4 is set through protective case 6 and housing 1, and heat emission hole 4 extends into dummy stack 12, is dissipated
Hot hole 4 does not contact with resistor core 22 and commutation diode 32.
As shown in Figures 2 and 3, in dummy stack 12 in offer cooling chamber 41 for accommodating coolant, in the present embodiment
Coolant uses water, and cooling chamber 41 is located at the top of resistive and commutation diode 32.Run through in the side wall of cooling chamber 41 and open up
There is through hole 5, through hole 5 is extended on housing 1 and protective case 6.The rubber stopper 51 for through hole 5 to be blocked is provided with through hole 5.Fill out
Passage 42 is further opened with envelope material 12, passage 42 connects with cooling chamber 41.Cooling chamber 41 and passage 42 not with resistor core 22 and
Commutation diode 32 contacts.
Application method：Rubber stopper 51 is taken out from through hole 5 using preceding, filled out by through hole 5 into cavity 11 and passage 42
Fill coolant.
Resistor core 22 and commutation diode 32 are connected on circuit using the first pin 21 and second pin 31 during use.
During work, commutation diode 32 can play a part of rectification to circuit, make electric current more stable.
When resistor core 22 produces heat, heat caused by coolant absorption resistance core 22, the temperature to preventing resistor core 22
It is too high.Heat emission hole 4 can be to the contact area of increase housing 1 and dummy stack 12 and air simultaneously, and then helps to radiate.
Protective case 6 outside housing 1 can shield to housing 1, prevent shell from breaking.
Claims (9)
1. a kind of cement resistor, including housing (1), it is characterised in that be provided with cavity (11), the shell in the housing (1)
The side of body (1) is provided with the first opening (2) and the second opening (3) connected with cavity (11), is set in the cavity (11)
There is resistor core (22), the resistor core (22) is in series with commutation diode (32), and the resistor core (22) is away from commutation diode
(32) one end is connected with the first pin (21), and the one end of first pin (21) away from resistor core (22) passes through the first opening
(2) outside of housing (1) is extended to, the one end of the commutation diode (32) away from resistor core (22) is connected with second pin
(31), the one end of the second pin (31) away from commutation diode (32) extends to the outer of housing (1) by the second opening (3)
Portion, dummy stack (12) is filled with the cavity (11).
2. a kind of cement resistor according to claim 1, it is characterised in that the housing (1) is made of ceramic materials.
3. a kind of cement resistor according to claim 1, it is characterised in that first opening (2) and the second opening (3)
Shape be in the loudspeaker shape of the mouth as one speaks, it is described first opening (2) and second be open (3) cross-sectional area size become larger from the inside to the outside.
4. a kind of cement resistor according to claim 1, it is characterised in that opened in the housing (1) and dummy stack (12)
Provided with heat emission hole (4).
5. a kind of cement resistor according to claim 1, it is characterised in that offered in the dummy stack (12) for depositing
Put the cooling chamber (41) of coolant.
6. a kind of cement resistor according to claim 5, it is characterised in that offer and cool down in the dummy stack (12)
The passage (42) of chamber (41) connection.
7. a kind of cement resistor according to claim 4, it is characterised in that offered on the housing (1) and cavity
(11) through hole (5) of connection, rubber stopper (51) is provided with the through hole (5).
8. a kind of cement resistor according to claim 2, it is characterised in that be provided with outside the housing (1) for preventing
The broken protective case (6) of housing (1).
9. a kind of cement resistor according to claim 8, it is characterised in that the protective case (6) is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249589.4U CN207149336U (en) | 2017-09-26 | 2017-09-26 | A kind of cement resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249589.4U CN207149336U (en) | 2017-09-26 | 2017-09-26 | A kind of cement resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149336U true CN207149336U (en) | 2018-03-27 |
Family
ID=61668590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249589.4U Expired - Fee Related CN207149336U (en) | 2017-09-26 | 2017-09-26 | A kind of cement resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149336U (en) |
-
2017
- 2017-09-26 CN CN201721249589.4U patent/CN207149336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20200926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |