CN202957779U - Structure-improved electronic starter - Google Patents
Structure-improved electronic starter Download PDFInfo
- Publication number
- CN202957779U CN202957779U CN 201220581489 CN201220581489U CN202957779U CN 202957779 U CN202957779 U CN 202957779U CN 201220581489 CN201220581489 CN 201220581489 CN 201220581489 U CN201220581489 U CN 201220581489U CN 202957779 U CN202957779 U CN 202957779U
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- Prior art keywords
- reed
- thermistor
- pin
- support chip
- wedge
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Abstract
The utility model relates to a structure-improved electronic starter, mainly used for starting a compressor motor with an operation capacitor. The structure-improved electronic starter is characterized in that bidirectional controllable silicon is arranged in a pedestal cavity between a first pin and a second pin, a first pole of the bidirectional controllable silicon is connected with a coupling end of the second pin, a second pole of the bidirectional controllable silicon is connected with a second reed, and a triggering pole of the bidirectional controllable silicon is connected with a first reed; the first pin is equipped with a third reed and a fourth reed, and the second reed is equipped with a first supporting sheet and a second supporting sheet in the same side; the third reed is distributed in one side of a first thermal resistor, and the first and second supporting sheets are distributed in the other side of the fist thermal resistor; and the distance between the third reed and the first supporting sheet is the same with that between the third reed and the second supporting sheet. The structure-improved electronic starter has the advantages of more reasonable and compact design, small volume and lower cost.
Description
Technical field
The utility model relates to a kind of electronic-type starter of architecture advances, and it is mainly used in the starting of compressor electric motor, also can be used for the starting of general load motor.
Background technology
Referring to Fig. 1-Fig. 4, electrical schematic diagram for prior art, prior art is by compressor M end, the S end is connected in the compressor electric motor loop, now the first thermistor 8 one ends are connected with motor main winding 51 exits, the second thermistor 5 one ends are connected with motor main winding 51 exits, bidirectional triode thyristor 3 first utmost point 3-1 are connected with motor auxiliary winding 52 exits, bidirectional triode thyristor 3 is in closed condition, the first thermistor 8 is at normal temperatures in little resistance conducting state, its resistance is generally between 3.9～100 Ω, the second thermistor 5 is also in the normal temperature conducting state, its resistance is generally in 600～1800 Ω left and right, at the beginning of the compressor electric motor starting, due to bidirectional triode thyristor 3 in closed condition, the first thermistor 8 no currents pass through, now the second thermistor 5 has electric current to pass through, this electric current is enough to make bidirectional triode thyristor 3 triggering and conducting, starting circuit enters operating state, the first thermistor 8 in start loop is passed to larger motor auxiliary winding 52 starting currents, the first thermistor 8 generates heat very soon, make its resistance value increase rapidly, when its temperature reaches the Curie temperature of the first thermistor 8, its resistance value reaches the high value state, thereby cut off compressor electric motor auxiliary winding 52, make compressor electric motor enter normal operating conditions.After compressor enters operating state, along with by the reducing gradually of the first thermistor 8 and the second thermistor 5 electric currents, bidirectional triode thyristor 3 is in closed condition, and now the first thermistor 8 does not have electric current to pass through, and its consumed power is almost nil; Because the consumed power of the second thermistor 5 is less than 0.5W, so prior art is the electronic-type starter that consumed power is less than 0.5W.Due to the advantage of its structure and consumed power, extensive use on high-efficient compressor at present.
For prior art element exploded perspective structural representation.For energy-efficient, each compressor producer develops the microminiature compressor in succession, and due to constantly dwindling of compressor volume, the plastic junction box space that starter and thermal protector are installed also reduces thereupon; Referring to Fig. 3, because the distance of prior art pin centre bore and base edge be 26.5mm, once starter often produces interference with plastic junction box after inserting compressor three core binding posts, the even dress can not be had.Therefore, for adapting to market, be badly in need of a kind of electronic-type starter that reduces installation dimension of exploitation.
The utility model content
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in prior art, and provide a kind of electronic-type starter of architecture advances, this starter passes through the rational deployment of the first pin, the second pin and bidirectional triode thyristor on the prior art basis, reduce the size of base and cover plate, finally reach the installation dimension that reduces starter.
The utility model solves the problems of the technologies described above adopted technical scheme: this electronic-type starter comprises base, cover plate, wedge, the first pin, the second pin, the first reed, the second reed, the first thermistor, the second thermistor and bidirectional triode thyristor, base is connected with the cover plate coupling, the first thermistor and the second thermistor all are arranged in base, it is characterized in that:
Described bidirectional triode thyristor is arranged in the base die cavity between the first pin and the second pin, bidirectional triode thyristor first utmost point is connected with the second pin link, bidirectional triode thyristor second utmost point is connected with the second reed, the bidirectional triode thyristor trigger electrode is connected with the first reed, with electrical connection and the optimization bulk that realizes bidirectional triode thyristor.
Be provided with the 3rd reed and the 4th reed on described the first pin, the first support chip, the second support chip are symmetrically distributed in the first both sides, thermistor center, and under the prerequisite that guarantees to contact with the first thermistor two contact-making surfaces, pull open the distance of the first support chip and the second support chip as far as possible, the 3rd reed contacts with the diametric central point of the first thermistor, form power circuit, once, to guarantee the dislocation fracture under the dislocation pressure-acting of the first thermistor, the 3rd reed can not contact with the first support chip, the second support chip short circuit.
Described the 3rd reed is distributed in a side of the first thermistor, and the first support chip and the second support chip are distributed in the opposite side of the first thermistor; The first thermistor two contact-making surfaces are contacted support by the first support chip, the second support chip and the 3rd reed with 3, make the first support chip, the second support chip and the 3rd reed produce chucking power respect to one another to the first thermistor, guarantee that the first thermistor reliably contacts.
Described the 3rd reed equates with the distance between the second support chip with distance and the 3rd reed between the first support chip, to guarantee the equal arm of force.
The utility model also is provided with wedge, and it is arranged in base, is provided with wedge inclined-plane and wedge plane on described wedge, and wedge plane wherein contacts with the 3rd reed; Under the effect of wedge, keep enough chucking powers between the 3rd reed, the first support chip, the second support chip and the first thermistor, guarantee that the first thermistor reliably contacts.
The first thermistor center line described in the utility model is mutually vertical with the second thermistor center line, more reasonable to guarantee structure.
The utility model compared with prior art, has the following advantages and effect: structural design is more reasonable, compact, and volume is little, and cost is lower.
The accompanying drawing explanation
Fig. 1 is the prior art electrical schematic diagram;
Fig. 2 is prior art element exploded perspective structural representation;
Fig. 3 is that prior art be take the cover plate face as main perspective view;
Fig. 4 is the perspective view that prior art is removed cover plate;
Fig. 5 is the utility model electrical schematic diagram;
The element exploded perspective structural representation that Fig. 6 is the utility model embodiment;
Fig. 7 is that the utility model embodiment cover plate face is main perspective view;
Fig. 8 is that the utility model embodiment base face is main perspective view;
Fig. 9 is the perspective view that the utility model embodiment removes cover plate;
Figure 10 is the perspective view that the utility model embodiment removes cover plate, the first thermistor, the second thermistor;
The perspective view that Figure 11 is the utility model embodiment base;
The perspective view that Figure 12 is the utility model embodiment cover plate;
The perspective view that Figure 13 is the utility model embodiment the first pin assembly;
The perspective view that Figure 14 is the utility model embodiment the second pin assembly;
The perspective view that Figure 15 is the utility model embodiment wedge;
Figure 16 is the structural representation that the utility model wedge and base inclined-plane coordinate.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is elaborated.
Referring to Fig. 6, Fig. 7, Fig. 8, Fig. 9, the electric principle of the electronic-type starter of a kind of architecture advances of the utility model is the same with prior art, it comprise cover plate 21, the second pin 22, bidirectional triode thyristor 23, the first reed 24, the second thermistor 25, the second reed 26,, the first pin 27, the first thermistor 28, base 29 and wedge 30; In order to reduce the size of cover plate 21 and base 29, finally reach the installation dimension that reduces starter, the utility model passes through the reasonably combined layout to the first pin 27, the second pin 22 and bidirectional triode thyristor 23 on the prior art basis, internal structure to base 29 is carried out appropriate design, its pin centre bore of the utility model starter and base edge the distance be 22.5mm(as shown in Figure 7).
Referring to Fig. 7 ~ Figure 16, the utility model specific embodiments is: in order to reduce the size of cover plate 21 and base 29, finally reach the installation dimension that reduces starter, the utility model passes through the first pin 27 on the prior art basis, the reasonably combined layout of the second pin 22 and bidirectional triode thyristor 23, internal structure to base 29 is carried out appropriate design, the installation site of bidirectional triode thyristor 23 is arranged in the base die cavity 29-3 between the first pin 27 and the second pin 22, due to the change to bidirectional triode thyristor 23 positions, can utilize enough spaces to move on the position of the first thermistor 28, thereby greatly shortened the length of base 29, the distance that is the utility model pin centre bore and base edge is 22.5mm.
Referring to Fig. 9, Figure 10, bidirectional triode thyristor 23, the first thermistor 28 and the second thermistor 25 are arranged in base 29, the first thermistor 28 1 ends are connected with the 3rd reed 27-3 on the first pin 27, the first pin 27 and motor main winding 61 exits are that compressor M end is corresponding, and the present embodiment connects while being connected in the compressor electric motor loop; The other end of the first thermistor 28 is connected with bidirectional triode thyristor the second utmost point 23-2 by the second reed 26; The second thermistor 25 1 ends are connected with the 4th reed 27-4 on the first pin 27, and the first pin 27 and motor main winding 61 exits are that compressor M end is corresponding, and the present embodiment connects while being connected in the compressor electric motor loop; Second thermistor 25 other ends are connected with bidirectional triode thyristor trigger electrode 23-3 by the first reed 24, bidirectional triode thyristor the first utmost point 23-1 is connected with the second pin link 22-2, the second pin 22 and motor auxiliary winding 62 exits are compressor S end correspondence, and the present embodiment connects while being connected in the compressor electric motor loop; In Fig. 5, compressor C end is connected with thermal protector.Bidirectional triode thyristor the second utmost point 23-2 is connected with the second reed 26, and bidirectional triode thyristor trigger electrode 23-3 is connected with the first reed 24, and bidirectional triode thyristor 23 connectors are put into base the second pin locating mould cavity 29-2, bidirectional triode thyristor locating mould cavity 29-3; Be provided with the 3rd reed 27-3 and the 4th reed 27-4 on the first pin 27, and put into base the first pin locating mould cavity 29-1; The second thermistor 25 1 ends are connected with the first reed 24, and the other end is connected with the 4th reed 27-4; After interior installation the first thermistor 28 of base 29 and the second thermistor 25, the center line of the center line of the first thermistor 28 and the second thermistor 25 is mutually vertical.
Referring to Figure 11, Figure 12, Figure 14, Figure 15, Figure 16, be provided with the first pin locating mould cavity 21-1 and the second pin locating mould cavity 21-2 on the cover plate 21 of the utility model embodiment, in order to locate the first pin 27 and the second pin 22; Also be provided with two location claw 21-3,21-4 on cover plate 21, they correspond respectively to location square hole 29-10, the 29-11 of base 9, two claw inwalls all are arranged to inclined-plane 21-8, all be provided with fixedly barb 21-9 on the claw outer wall, this inclined-plane 21-8 and fixedly barb 21-9 with two location claw 21-3,21-4, be connected; Also be provided with positioning jack 21-5,21-6 on cover plate 21, it is connected with compressor M end, compressor S end respectively; Also be provided with reference column 21-7 on cover plate 21, its wedge plane 30-2 with wedge 30 is corresponding.
Referring to Figure 11, Figure 16, be provided with the first thermistor locating mould cavity 29-4 in the base 29 of the utility model embodiment, the first thermistor locating mould cavity 29-4 side is provided with location notch 29-6, be provided with location inclined-plane 29-12 in location notch 29-6, the angle a between location inclined-plane 29-12 and vertical plane is 2 °-15; Also be provided with wedge inclined-plane 30-1 on wedge 30, the angle β between wedge inclined-plane 30-1 and vertical plane is also 2 °-15 °, is about in the present embodiment 4 °, makes wedge inclined-plane 30-1 and location inclined-plane 29-12 mutually mate; When product is installed, locating mould cavity 29-4 first packs the first thermistor 28 into, the plane contact of the first reed 27-3 and the first thermistor 28 now, but without chucking power, finally by the relevant position of after the wedge inclined-plane 30-1 of wedge 30 contact location inclined-plane 29-12, inserting location notch 29-6, according to the wedge operation principle, under the effect of wedge 30, to obtain enough large chucking power at this moment between the first reed 27-3, the second reed 26 and the first thermistor 28, they can reliably be contacted.After each resolution element of the present embodiment is as above assembled, cover plate 21 and base 29 close up, and form electronic-type starter described in the utility model.
Referring to Fig. 5, Fig. 8, the utility model embodiment is by the first pin 27 of compressor M end, the second pin 22 of compressor S end is connected in the compressor electric motor loop, now the first thermistor 28 1 ends are connected with motor main winding 61 exits, the second thermistor 25 1 ends are connected with motor main winding 61 exits, bidirectional triode thyristor 23 first utmost point 23-1 are connected with motor auxiliary winding 62 exits, bidirectional triode thyristor 23 is in closed condition, the first thermistor 28 is at normal temperatures in little resistance conducting state, its resistance is generally between 3.9～100 Ω, the second thermistor 25 is also in the normal temperature conducting state, its resistance is generally in 600～1800 Ω left and right, at the beginning of the compressor electric motor starting, due to bidirectional triode thyristor 23 in closed condition, the first thermistor 28 no currents pass through, now the second thermistor 25 has electric current to pass through, this electric current is enough to make bidirectional triode thyristor 23 triggering and conducting, starting circuit enters operating state, the first thermistor 28 in start loop is passed to larger motor auxiliary winding 62 starting currents, the first thermistor 28 generates heat very soon, make its resistance value increase rapidly, when its temperature reaches the Curie temperature of the first thermistor 28, its resistance value reaches the high value state, thereby cut off compressor electric motor auxiliary winding 62, make compressor electric motor enter normal operating conditions.After compressor enters operating state, along with by the reducing gradually of the first thermistor 28 and the second thermistor 25 electric currents, bidirectional triode thyristor 23 is in closed condition, and now the first thermistor 28 does not have electric current to pass through, and its consumed power is almost nil; Because second thermistor 25 its consumed powers are less than 0.5W, when normal operation, the power consumption of this sampling system can be hanged down and be reached the milliwatt level, is exactly so-called " zero-power " starter.For improving the compressor electric motor operating efficiency, an operation capacitor 35 in parallel between the first pin 27 and the second pin 22; After the present embodiment inserts compressor three core binding posts; its zero-power line forms main winding 61 conducting loops by the first pin 27; after thermal protector inserts compressor C end; its splicing ear connecting power line live wire; realization is connected on thermal protector in the compressor electric motor loop; thermal protector action when the higher on the low side or refrigerating system of line voltage breaks down, play the effect of protection compressor electric motor thereby cut off the electricity supply.
Although the utility model with embodiment openly as above; but it is not in order to limit protection range of the present utility model; any technical staff who is familiar with this technology, the change of doing within not breaking away from design of the present utility model and scope and retouching, all should belong to protection range of the present utility model.
Claims (3)
1. the electronic-type starter of an architecture advances, comprise base, cover plate, wedge, the first pin, the second pin, the first reed, the second reed, the first thermistor, the second thermistor and bidirectional triode thyristor, base is connected with the cover plate coupling, the first thermistor and the second thermistor all are arranged in base, it is characterized in that:
Described bidirectional triode thyristor is arranged in the base die cavity between the first pin and the second pin, and bidirectional triode thyristor first utmost point is connected with the second pin link, and bidirectional triode thyristor second utmost point is connected with the second reed, and the bidirectional triode thyristor trigger electrode is connected with the first reed;
Be provided with the 3rd reed and the 4th reed on described the first pin, on the second reed, the same side is provided with symmetrical the first support chip and the second support chip, this first support chip, the second support chip are symmetrically distributed in the both sides, center of the first thermistor, the 3rd reed contacts with the diametric central point of the first thermistor, forms power circuit;
Described the 3rd reed is distributed in a side of the first thermistor, and the first support chip and the second support chip are distributed in the opposite side of the first thermistor;
Two contact-making surfaces of described the first thermistor are contacted support by the first support chip, the second support chip and the 3rd reed with 3, make the first support chip, the second support chip and the 3rd reed produce chucking power respect to one another to the first thermistor;
Described the 3rd reed equates with the distance between the second support chip with distance and the 3rd reed between the first support chip.
2. electronic-type starter according to claim 1, it is characterized in that: also be provided with wedge, it is arranged in base, is provided with wedge inclined-plane and wedge plane on described wedge, and wedge plane wherein contacts with the 3rd reed.
3. electronic-type starter according to claim 1 and 2, it is characterized in that: the center line of the center line of described the first thermistor and the second thermistor is mutually vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581489 CN202957779U (en) | 2012-11-07 | 2012-11-07 | Structure-improved electronic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581489 CN202957779U (en) | 2012-11-07 | 2012-11-07 | Structure-improved electronic starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957779U true CN202957779U (en) | 2013-05-29 |
Family
ID=48463329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220581489 Expired - Lifetime CN202957779U (en) | 2012-11-07 | 2012-11-07 | Structure-improved electronic starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113691166A (en) * | 2021-08-06 | 2021-11-23 | 杭州星帅尔电器股份有限公司 | PTC starter |
-
2012
- 2012-11-07 CN CN 201220581489 patent/CN202957779U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113691166A (en) * | 2021-08-06 | 2021-11-23 | 杭州星帅尔电器股份有限公司 | PTC starter |
| CN113691166B (en) * | 2021-08-06 | 2023-06-13 | 杭州星帅尔电器股份有限公司 | PTC starter |
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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: 20130529 |
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| CX01 | Expiry of patent term |