CN204167029U - A kind of resistor with spring type resistance wire - Google Patents
A kind of resistor with spring type resistance wire Download PDFInfo
- Publication number
- CN204167029U CN204167029U CN201420507883.0U CN201420507883U CN204167029U CN 204167029 U CN204167029 U CN 204167029U CN 201420507883 U CN201420507883 U CN 201420507883U CN 204167029 U CN204167029 U CN 204167029U
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- China
- Prior art keywords
- resistance wire
- porcelain tube
- spring type
- type resistance
- resistor
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- 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
The utility model discloses a kind of resistor with spring type resistance wire, comprise: porcelain tube, spring type resistance wire, pipe collar and support, the external peripheral surface of described porcelain tube is provided with thread groove, described spring type resistance wire is helically wound around in the thread groove of porcelain tube, cell wall in described thread groove is provided with several first louvre, the groove width of described thread groove is greater than the circle diameter of spring, also support bar is provided with in described porcelain tube, described support comprises installation portion and support portion, the upper end of described support portion is provided with a circular protrusions, the central authorities of this circular protrusions are fixed by the support bar in fixture and porcelain tube, this circular protrusions is provided with several the second louvre in arranged in arrays, the gross area of described second louvre equals 65% of porcelain tube tube chamber cross-sectional area, described pipe collar is provided with binding post, thus improve the power density of unit volume, reduce resistance volume, save installing space, reduce material cost, extend useful life.
Description
Technical field
The utility model relates to resistor field, particularly relates to a kind of resistor with spring type resistance wire.
Background technology
Resistor is generally directly called resistance in daily life.Be a current limiting element, connect by resistance in circuit, the resistance of resistor is fixing, is generally two pins, and it can the size of current on its institute's chord road of restricted passage.Resistance is unalterable is called fixed resistor.What resistance was variable is called potentiometer or variable resistance.
Shown in ginseng Fig. 1, Fig. 1 discloses a kind of resistor of the prior art, for in the electrical circuits such as frequency converter braking, power supply, comprise porcelain tube, described porcelain tube be circumferentially wound with undulatory resistance wire, the two ends of described porcelain tube are provided with bracing frame and pipe collar, described pipe collar is provided with binding post, the two ends of described resistance wire are welded mutually with binding post respectively, there is volume greatly in this kind of resistor, material cost is high, the problem that electric pressure is low, cause needs with resistor be must device complete set of equipments volume increase, cost is higher.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of resistor with spring type resistance wire improving power density.
For achieving the above object, the technical solution adopted in the utility model is: a kind of resistor with spring type resistance wire, comprise: porcelain tube, spring type resistance wire, be installed on pipe collar and the support at porcelain tube two ends, the external peripheral surface of described porcelain tube is provided with thread groove, described spring type resistance wire is helically wound around in the thread groove of porcelain tube, cell wall in described thread groove is provided with several first louvre, the groove width of described thread groove is greater than the circle diameter of spring, also support bar is provided with in described porcelain tube, the support portion that described support comprises installation portion and extends from installation portion bending, the upper end of described support portion is provided with one and is fit into circular protrusions in porcelain tube, the central authorities of this circular protrusions are fixed by the support bar in fixture and porcelain tube, this circular protrusions is provided with several the second louvre in arranged in arrays, the gross area of described second louvre equals 65% of porcelain tube tube chamber cross-sectional area, described pipe collar is formed by sheet metal bending, described pipe collar is provided with binding post, the two ends of described spring type resistance wire are connected with the binding post at porcelain tube two ends respectively.
Preferably, have in the resistor of spring type resistance wire above-mentioned, described first louvre and the second louvre are circular hole.
Preferably, have in the resistor of spring type resistance wire above-mentioned, installation portion and the support portion of described support are perpendicular.
Preferably, have in the resistor of spring type resistance wire above-mentioned, described pipe collar is connected by bolt and nut with between binding post.
Preferably, have in the resistor of spring type resistance wire above-mentioned, described resistance wire is corronil resistance wire.
Preferably, have in the resistor of spring type resistance wire above-mentioned, the wall thickness of described porcelain tube is 8 millimeters.
The utility model beneficial effect is: the utility model is by being designed to solid space spiral winding by resistance wire, thus improve the power density of unit volume, reduce resistance volume, save installing space, reduce material cost, extend useful life, and there is lower temperature coefficient.The power density of the resistor unit volume in the utility model compared to existing technology in resistor can improve more than 1.5 times.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of resistor in prior art.
Fig. 2 is the structural representation of resistor in the utility model.
In Fig. 2: 1, spring type resistance wire, 2, porcelain tube, 3, pipe collar, 4, support, 5, fixture, 6, installation portion, 7, support portion, 8, protuberance, 9, thread groove, the 10, second louvre, 11, binding post.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.The example of these preferred implementations illustrates in the accompanying drawings.Shown in accompanying drawing and the execution mode of the present utility model described with reference to the accompanying drawings be only exemplary, and the utility model is not limited to these execution modes.
At this, also it should be noted that, in order to avoid the utility model fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related structure of scheme of the present utility model and/or treatment step, and eliminate other details little with the utility model relation.
Refer to Fig. 2, a kind of resistor with spring type resistance wire, comprise: porcelain tube 2, spring type resistance wire 1, be installed on pipe collar 3 and the support 4 at porcelain tube two ends, the external peripheral surface of described porcelain tube 2 is provided with thread groove, described spring type resistance wire 1 is helically wound around in the thread groove 9 of porcelain tube, cell wall in described thread groove 9 is provided with several first louvre, heat in porcelain tube to leave a part by these first louvres, the groove width of described thread groove 9 is greater than the circle diameter of spring, the benefit of such setting is: spaced apart certain distance that can make two adjacent spring windings, thus effectively prevent turn-to-turn short circuit and blow resistance wire.Also be provided with support bar in described porcelain tube 2, described support 4 comprises installation portion 6 and bends the support portion 7 extended from installation portion 6, and the installation portion 6 of described support is perpendicular with support portion 7.The upper end of described support portion 7 is provided with one and is fit into circular protrusions 8 in porcelain tube, the central authorities of this circular protrusions 8 are fixed by fixture 5 and the support bar in porcelain tube 2, this circular protrusions 8 is provided with several the second louvre 10 in arranged in arrays, the gross area of described second louvre 10 equals 65% of porcelain tube tube chamber cross-sectional area, the benefit of setting like this is: both can ensure that support has enough structural strengths, enough area of dissipations can be ensured again heat is left, described pipe collar 3 is formed by sheet metal bending, described pipe collar 3 is provided with binding post 11, described pipe collar 3 is connected by bolt and nut with between binding post 11.The two ends of described resistance wire are connected with the binding post at porcelain tube two ends respectively.In the present embodiment, described first louvre and the second louvre are preferably circular hole, by arranging several first louvre and the second louvre, resistor radiating effect in the utility model is promoted greatly, described resistance wire is preferably corronil resistance wire, and the wall thickness of described porcelain tube is 8 millimeters.
In sum, the utility model by resistance wire is designed to solid space spiral winding, thus improves the power density of unit volume, reduce resistance volume, saved installing space, reduced material cost, extend useful life, and there is lower temperature coefficient.The power density of the resistor unit volume in the utility model compared to existing technology in resistor can improve more than 1.5 times.
Finally, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Claims (6)
1. one kind has the resistor of spring type resistance wire, it is characterized in that, comprise: porcelain tube, spring type resistance wire, be installed on pipe collar and the support at porcelain tube two ends, the external peripheral surface of described porcelain tube is provided with thread groove, described spring type resistance wire is helically wound around in the thread groove of porcelain tube, cell wall in described thread groove is provided with several first louvre, the groove width of described thread groove is greater than the circle diameter of spring, also support bar is provided with in described porcelain tube, the support portion that described support comprises installation portion and extends from installation portion bending, the upper end of described support portion is provided with one and is fit into circular protrusions in porcelain tube, the central authorities of this circular protrusions are fixed by the support bar in fixture and porcelain tube, this circular protrusions is provided with several the second louvre in arranged in arrays, the gross area of described second louvre equals 65% of porcelain tube tube chamber cross-sectional area, described pipe collar is formed by sheet metal bending, described pipe collar is provided with binding post, the two ends of described spring type resistance wire are connected with the binding post at porcelain tube two ends respectively.
2. a kind of resistor with spring type resistance wire according to claim 1, is characterized in that: described first louvre and the second louvre are circular hole.
3. a kind of resistor with spring type resistance wire according to claim 2, is characterized in that: installation portion and the support portion of described support are perpendicular.
4. a kind of resistor with spring type resistance wire according to claim 1 or 2 or 3, is characterized in that: described pipe collar is connected by bolt and nut with between binding post.
5. a kind of resistor with spring type resistance wire according to claim 4, is characterized in that: described resistance wire is corronil resistance wire.
6. a kind of resistor with spring type resistance wire according to claim 5, is characterized in that: the wall thickness of described porcelain tube is 8 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507883.0U CN204167029U (en) | 2014-09-04 | 2014-09-04 | A kind of resistor with spring type resistance wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507883.0U CN204167029U (en) | 2014-09-04 | 2014-09-04 | A kind of resistor with spring type resistance wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167029U true CN204167029U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420507883.0U Expired - Fee Related CN204167029U (en) | 2014-09-04 | 2014-09-04 | A kind of resistor with spring type resistance wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167029U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575571A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | High-power moisture-resistant resistor |
| CN110082693A (en) * | 2019-04-24 | 2019-08-02 | 千黎（苏州）电源科技有限公司 | A kind of resistance wire load device of power source performance test |
| CN110233010A (en) * | 2019-06-17 | 2019-09-13 | 株洲中车奇宏散热技术有限公司 | It is a kind of for the integral insulation pipe of chip resistor and application |
| CN112053817A (en) * | 2020-08-31 | 2020-12-08 | 安徽科比电子科技有限公司 | Cross-shaped high-power spring resistor and preparation process thereof |
| CN114016029A (en) * | 2021-11-18 | 2022-02-08 | 东莞市天美新自动化设备有限公司 | Spiral porcelain seat, heating element and heating assembly of electric heating enamel firing furnace |
-
2014
- 2014-09-04 CN CN201420507883.0U patent/CN204167029U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575571A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | High-power moisture-resistant resistor |
| CN110082693A (en) * | 2019-04-24 | 2019-08-02 | 千黎（苏州）电源科技有限公司 | A kind of resistance wire load device of power source performance test |
| CN110233010A (en) * | 2019-06-17 | 2019-09-13 | 株洲中车奇宏散热技术有限公司 | It is a kind of for the integral insulation pipe of chip resistor and application |
| CN112053817A (en) * | 2020-08-31 | 2020-12-08 | 安徽科比电子科技有限公司 | Cross-shaped high-power spring resistor and preparation process thereof |
| CN112053817B (en) * | 2020-08-31 | 2023-10-20 | 安徽科比电子科技有限公司 | Cross-shaped high-power spring resistor and preparation process thereof |
| CN114016029A (en) * | 2021-11-18 | 2022-02-08 | 东莞市天美新自动化设备有限公司 | Spiral porcelain seat, heating element and heating assembly of electric heating enamel firing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20150904 |
|
| EXPY | Termination of patent right or utility model |