CN201600971U - Vertical speed-regulating resistor - Google Patents
Vertical speed-regulating resistor Download PDFInfo
- Publication number
- CN201600971U CN201600971U CN2009202131986U CN200920213198U CN201600971U CN 201600971 U CN201600971 U CN 201600971U CN 2009202131986 U CN2009202131986 U CN 2009202131986U CN 200920213198 U CN200920213198 U CN 200920213198U CN 201600971 U CN201600971 U CN 201600971U
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- temperature fuse
- resistance
- cover plate
- mounting panel
- chip
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Abstract
The utility model relates to a vertical speed-regulating resistor, which is characterized in that the speed-regulating resistor comprises a base, a cover plate, a mounting plate, a resistor chip, two insulating layers and a temperature fuse, wherein the cover plate and the mounting plate which match with each other are arranged on the base, the resistor chip and the two insulating layers are arranged between the cover plate and the mounting plate, and the two insulating layers closely cling to planes on two sides of the resistor chip. Besides, the temperature chip, the two insulating layers, the cover plate and the mounting plate are all provided with temperature fuse matching holes corresponding to the temperature fuse. The temperature fuse is arranged in the temperature fuse matching holes, and two ends of the temperature fuse are connected with the resistor chip. A lead pin extends from a leading-out terminal of the resistor chip, a plurality of convex grooves are arranged on the mounting plate and the insulating layers covered by the mounting plate corresponding to the lead pin of the resistor chip, and two sides of the cover plate and the top edge are turned inwards to be bent. The vertical speed-regulating resistor has the advantages of optimizing materials, saving cost, increasing service performance, achieving firm and reliable installation and reliable overheat protection and resisting moisture, damp and corrosion.
Description
Technical field
The present invention relates to a kind of speed adjusting resistance, what be specifically related to is a kind of erect-type speed adjusting resistance.
Background technology
The form of speed adjusting resistance that is applied to air conditioning for automobiles at present is varied, and its major function is by adjusting several resistances of series connection and reaches the purpose of regulating wind speed in blower circuit with the electric current of control by blower motor.
Distinguish according to the structure of product, the idle call speed adjusting resistance can mainly be divided into a few types such as porcelain body frame Wound-rotor type, spring, the board-like peace of printing be board-like, although the higher cost of porcelain body frame Wound-rotor type speed adjusting resistance reliability is also higher relatively; The spring speed adjusting resistance is owing to the defective of its intrinsic tolerance aspect is used also fewer and fewerily; And flat resistance is because the comprehensive advantage of its cost and reliability aspect just is being subjected to growing interest.
As shown in Figure 1, among the figure structural representation of the flat resistance of prior art, it comprises resistance chip 11, two insulating barriers 12, radiator 13, radiator 14, pin 15 and pedestals 16.During installation, the resistance chip 11 of moulding is close between two insulating barriers 12, again resistance chip 11 and insulating barrier 12 thereof are close between radiator 13 and the radiator 14 to guarantee that sufficient heat radiation is normally used product under long-term power on condition, pin 15 is connected with resistance chip 11, and resistance chip 11, insulating barrier 12, radiator 13, radiator 14 and pin 15 bottoms vertically assign on the pedestal together.But be limited to material behavior and production technology, the anti-environment capacity of flat resistance ubiquity at present commonly used a little less than, the problem of overtemperature protection poor reliability.
As shown in Figure 2, Fig. 2 is the circuit theory diagrams that the car air-conditioner speed adjusting resistance is used for the blower circuit of automotive air-conditioning system.This product mainly is made up of two parts on function, a part is a plurality of fixed resistance, and another part is the temperature protection device, and resistance and temperature protection device are all gone into blower circuit by series connection, reduce the electric current that passes through of blower fan by the partial pressure effects of resistance, thereby reduce rotation speed of fan; The temperature protection device then when circuit occurs making resistance overheated unusually, in time cuts off circuit, plays the effect of protection circumferential component.
In the design of the flat speed adjusting resistance of prior art, usually with the simple crimping of front and back two sheet heat radiators or the riveted joint to be close to the fixed resistance sheet, this form is no doubt simple, but on the one hand owing to can't effectively seal to inside, so ubiquity product humidity, the defective that decay resistance is relatively poor; Many on the other hand fixed forms are higher to the material requirements of radiator, and the material cost of product and technology risk are also promoted thereupon.A lot of in addition designs all can be adopted the overtemperature protection design of the form of scolding tin as product usually, but because the restriction of material and technology, the reliability of overtemperature protection is also not really high.
Summary of the invention
The purpose of this invention is to provide a kind of erect-type speed adjusting resistance; be mainly used in rotation speed of the fan manual control system in all kinds of air conditioning for automobiless; structural design is optimized; the humidity of product, corrosion resistant performance have been improved; reduce material cost and introduced new overtemperature protection system; improve the reliability of overtemperature protection, promoted the serviceability of product.
In order to achieve the above object, the invention provides a kind of erect-type speed adjusting resistance, comprise pedestal, agree with the cover plate and the mounting panel that are arranged on the pedestal mutually, be arranged on resistance chip and two insulating barriers in cover plate and the mounting panel, two insulating barriers are close on two side planes of resistance chip, are characterized in, also comprise temperature fuse;
Be provided with the temperature fuse mating hole with the temperature fuse corresponding position on above-mentioned resistance chip, two insulating barriers, cover plate and mounting panels;
Described temperature fuse is arranged in the temperature fuse mating hole on resistance chip, two insulating barriers, cover plate and the mounting panels, and the two ends of temperature fuse are connected with the resistance chip;
The exit of described resistance chip extends pin;
Described mounting panel and its covered dielectric layer are being provided with a plurality of tongues with corresponding position, resistance chip pin position;
The bending of inwardly overturning of the dual-side of described cover plate and the edge of top margin.
Above-mentioned erect-type speed adjusting resistance, wherein, two insulating barriers adopt mica sheet.
Above-mentioned erect-type speed adjusting resistance, wherein, cover plate and mounting panel adopt aluminium sheet or mild steel alloy sheets.
Above-mentioned erect-type speed adjusting resistance, wherein, temperature fuse is the sealing tubular structure.
Above-mentioned erect-type speed adjusting resistance, wherein two pins are drawn at, two ends, mounting panel bottom, and the bipod bottom is wedge shape.
Above-mentioned erect-type speed adjusting resistance, wherein, the both sides, top of pedestal are provided with and the suitable pin installing hole of mounting panel two pins, in two installing holes, are provided with the pin installing hole suitable with the resistance chip pin.
The present invention compared with prior art, its advantage is:
1. solid and reliable, damp proof protection against the tide: the present invention is because the dual-side of mounting panel and top margin have carried out the upset bending fixes, and parcel is comparatively abundant, and the slit of fitting part is covered fully, has effectively stopped the infiltration of liquid and moisture;
2. overtemperature protection is reliable: the present invention is owing to adopt temperature fuse to substitute the overtemperature protection design of scolding tin as product, comparing the scolding tin protection has simple in structure, easy to process, the characteristics that operating accuracy is high, the structure of its sealing tubular type has also guaranteed certain waterproof and decay resistance, longer service life in addition;
3. optimization of material, save cost: because heating panel of the present invention adopts aluminium sheet or mild steel alloy sheets, insulating material is selected flexible micanite sheet for use, and properties of product are reliable, long service life.
Description of drawings
Fig. 1 is the structural representation of the flat resistance of prior art;
Fig. 2 is the circuit theory diagrams that the car air-conditioner speed adjusting resistance is used for the blower circuit of automotive air-conditioning system in the prior art;
Fig. 3 is the part decomposition texture schematic diagram of the erect-type speed adjusting resistance of the present invention;
Fig. 4 is the erect-type speed adjusting resistance overall structure of a present invention schematic diagram;
Fig. 5 is that the heating panel top margin and the dual-side of the erect-type speed adjusting resistance of the present invention adopts the fixing structural representation of upset bending.
Embodiment
Below in conjunction with Fig. 3～Fig. 5, describe a preferred embodiment of the present invention in detail.
As shown in Figure 3, Fig. 3 is the part decomposition texture schematic diagram of the erect-type speed adjusting resistance of the present invention.A kind of erect-type speed adjusting resistance 2, comprise pedestal 26, agree with the cover plate 24 and mounting panel 23 that are arranged on the pedestal mutually, be arranged on resistance chip 21 and two insulating barriers 22 in cover plate 24 and the mounting panel 23, two insulating barriers 22 are close on two side planes of resistance chip 21, also comprise temperature fuse 211.Be provided with temperature fuse mating hole 25 with temperature fuse 211 corresponding positions on resistance chip 21, two insulating barriers 22, cover plate 24 and mounting panels 23.Temperature fuse 211 is arranged in the temperature fuse mating hole 25 on resistance chip 21, two insulating barriers 22, cover plate 24 and the mounting panels 23, and the two ends of temperature fuse 211 are connected with resistance chip 21.The exit of resistance chip 21 extends pin 212, and mounting panel 23 and its covered dielectric layer 22 are being provided with a plurality of tongues with corresponding position, resistance chip pin 212 positions.The bending of inwardly overturning of the dual-side of cover plate 24 and the edge of top margin.
Two insulating barriers 22 adopt mica sheet, and cover plate 24 and mounting panel 23 adopt aluminium sheet or mild steel alloy sheets.Temperature fuse 211 is sealing tubular structures.Two pins 231 are drawn at two ends, mounting panel 23 bottom, and the bipod bottom is wedge shape.The both sides, top of pedestal 26 are provided with and the suitable pin installing hole 261 of mounting panel two pins 231, in two installing holes, are provided with the pin installing hole 262 suitable with resistance chip pin 212.
As shown in Figure 4, Fig. 4 is the overall structure schematic diagram of the erect-type speed adjusting resistance of the present invention.From figure, can be clear that integral outer structure of the present invention, and the position and the annexation of all outside parts.During installation, mounting panel 23, resistance chip 21, two insulating barriers 22 are co-located on cover plate 24 inwardly in the groove of upset bendings, more above-mentioned black box are inserted in the lump by the mounting panel pin in the pin installing hole 261 of pedestal 26, constitute an integral body.
As shown in Figure 5, Fig. 5 is the heating panel top margin of the erect-type speed adjusting resistance of the present invention and the structural representation that dual-side adopts the upset bending to fix.The present invention is owing to carried out the upset bending to the dual-side of mounting panel and top margin and fixed, and parcel is comparatively abundant, and the slit of fitting part is covered fully, has effectively stopped the infiltration of liquid and moisture.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (6)
1. erect-type speed adjusting resistance, comprise pedestal (26), agree with the cover plate (24) and mounting panel (23) that are arranged on the pedestal mutually, be arranged on cover plate (24) and the interior resistance chip (21) and two insulating barriers (22) of mounting panel (23), two insulating barriers (22) are close to respectively on two side planes of resistance chip (21), it is characterized in that, also comprise temperature fuse (211);
Described resistance chip (21), two insulating barriers (22), cover plate (24) and mounting panel (23) are gone up and temperature fuse (211) corresponding position is provided with temperature fuse mating hole (25);
Described temperature fuse (211) is arranged in the temperature fuse mating hole (25) on resistance chip (21), two insulating barriers (22), cover plate (24) and the mounting panel (23), and the two ends of temperature fuse (211) are connected with resistance chip (21);
The exit of described resistance chip (21) extends pin (212);
Described mounting panel (23) and its covered dielectric layer (22) are being provided with a plurality of tongues with corresponding position, resistance chip pin (212) position;
The bending of inwardly overturning of the dual-side of described cover plate (24) and the edge of top margin.
2. erect-type speed adjusting resistance as claimed in claim 1 is characterized in that, described two insulating barriers (22) adopt mica sheet.
3. erect-type speed adjusting resistance as claimed in claim 1 is characterized in that, described cover plate (24) and mounting panel (23) adopt aluminium sheet or mild steel alloy sheets.
4. erect-type speed adjusting resistance as claimed in claim 1 is characterized in that, described temperature fuse (211) is the sealing tubular structure.
5. erect-type speed adjusting resistance as claimed in claim 1 is characterized in that, two pins (231) are drawn at two ends, described mounting panel (23) bottom, and the bipod bottom is wedge shape.
6. erect-type speed adjusting resistance as claimed in claim 1, it is characterized in that, the both sides, top of described pedestal (26) are provided with the pin installing hole (261) suitable with mounting panel two pins (231), in two installing holes, be provided with the pin installing hole (262) suitable with resistance chip pin (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131986U CN201600971U (en) | 2009-12-16 | 2009-12-16 | Vertical speed-regulating resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202131986U CN201600971U (en) | 2009-12-16 | 2009-12-16 | Vertical speed-regulating resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600971U true CN201600971U (en) | 2010-10-06 |
Family
ID=42812034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202131986U Expired - Lifetime CN201600971U (en) | 2009-12-16 | 2009-12-16 | Vertical speed-regulating resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201600971U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446603A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Heat-dissipation resistor with aluminum shell |
| CN102446604A (en) * | 2010-10-11 | 2012-05-09 | 上海克拉电子有限公司 | Single-gear resistor with compact structure |
| CN102446607A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Large-power resistor with aluminum alloy shell |
| CN102446601A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Vertical vehicle air condition blower speed adjusting resistor |
-
2009
- 2009-12-16 CN CN2009202131986U patent/CN201600971U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446604A (en) * | 2010-10-11 | 2012-05-09 | 上海克拉电子有限公司 | Single-gear resistor with compact structure |
| CN102446603A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Heat-dissipation resistor with aluminum shell |
| CN102446607A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Large-power resistor with aluminum alloy shell |
| CN102446601A (en) * | 2010-10-12 | 2012-05-09 | 上海克拉电子有限公司 | Vertical vehicle air condition blower speed adjusting resistor |
| CN102446603B (en) * | 2010-10-12 | 2014-04-30 | 上海克拉电子有限公司 | Heat-dissipation resistor with aluminum shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |
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| CX01 | Expiry of patent term |