CN205451955U - High -power, heavy current, load of little volume recombination type - Google Patents
High -power, heavy current, load of little volume recombination type Download PDFInfo
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- CN205451955U CN205451955U CN201521128279.8U CN201521128279U CN205451955U CN 205451955 U CN205451955 U CN 205451955U CN 201521128279 U CN201521128279 U CN 201521128279U CN 205451955 U CN205451955 U CN 205451955U
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Abstract
The utility model relates to a high -power, heavy current, load of little volume recombination type has three plate electrode, is connected with resistance electricity respectively on every plate electrode both sides terminal surface, and the one end of the resistance lead on the three plate electrode links together through the pin electricity of plate electrode separately respectively and forms Y and connect, and the three lead wire of formation is drawn forth to the other end, every plate electrode both sides resistance is PTC type resistance and NTC type resistance respectively, and PTC type resistance and NTC type resistance through the electrode board parallel connection wholly constitute compound power load resistance. The utility model discloses high -power, heavy current, load of little volume recombination type adopts the functional ceramic technique, has solved the space and has occupy big problem, and its volume of resistance of same 100 tiles is only 2.5 cubic centimetres, can guarantee can not change - 40~200 DEG C of its output resistance values, has improved the accuracy that the motor detected.
Description
Technical field
This utility model relates to a kind of motor load, a kind of electric current high-power, big, the compound load of small size.
Background technology
During three phase electric machine detection, needing its loading, whether torque and rotating speed that starter that when detecting three phase electric machine restarting, it is supporting is corresponding meet requirement.Load generally uses direct current generator, and direct current generator is increased dead load resistance, changes excitation voltage, in order to change the size of three phase electric machine load.Owing to the load resistance of direct current generator is required electric current high-power, big, usual conventional, electric-resistance is metal alloy wires or the composition such as metal film and carbon granules.Therefore its volume is especially big, the resistor of 100 watts, and the space laid, at 4000 cubic centimetres, is made the use of client bring certain impact by its volume.
Utility model content
For the loading resistor used during three phase electric machine detection in prior art due to electric current high-power, big, volume is big, the problem having certain requirement to the space laid, the technical problems to be solved in the utility model is to provide a kind of electric current high-power, big, the compound load of small size.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: this utility model one electric current high-power, big, the compound load of small size, there are three battery lead plates, electrically connect with resistance respectively on the end face of each battery lead plate both sides, one end of resistance lead on three battery lead plates is electrically coupled together as Y by the pin of respective battery lead plate respectively and connects, and the other end is drawn and formed three lead-in wires.
Each battery lead plate two side resistance is respectively PTC type resistance and NTC type resistance, and PTC type resistance is connected in parallel by battery lead plate with NTC type resistance, is monolithically fabricated compound power termination resistance.
The coated insulant in described each battery lead plate end, three battery lead plate two ends are mechanically connected by connector；Being wholy set in housing, each pin wiring is drawn by housing；Housing is the round pie of hollow；Round pie is in three trimmings of thickness direction.
This utility model has the advantages that and advantage:
1. this utility model electric current high-power, big, the compound load of small size use function ceramics technology, solve the problem that space hold is big, and its volume of the resistance of same 100 watts only has 2.5 cubic centimetres.
2. this utility model is by changing structure and the material of load resistance, make the load resistance of equal-wattage, reduce volume, save material, reduce installing space, reduce fault rate, be integrally machined PTC Yu NTC being made compound power termination resistance owing to using, can ensure will not change at-40～200 DEG C of its output resistances, improve the accuracy of electric machines test.
Accompanying drawing explanation
Fig. 1 is the internal schematic diagram of this utility model；
Fig. 2 is this utility model mechanical assembly drawing；
Fig. 3 is electrode plate structure schematic diagram in this utility model；
Fig. 4 is combined resistance structural representation in this utility model；
Fig. 5 is structural representation after this utility model assembling.
Wherein, 1 is battery lead plate, and 2 is pin, and 3 is PTC type resistance, and 4 is NTC type resistance, and 5 is housing, and 6 is screw, and 7 is dielectric film；R1-1 is the first resistance, and R1-2 is the second resistance, and R1-3 is the 3rd resistance, and R2-1 is the 4th resistance, and R2-2 is the 5th resistance, and R2-13 is the 6th resistance, L1～L3 is first～three lead-in wires.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is further elaborated.
As Fig. 1～5 shows, this utility model electric current high-power, big, the compound load of small size, there are three battery lead plates 1, electrically connect with resistance respectively on the end face of each battery lead plate 1 both sides, one end of resistance lead on three battery lead plates 1 is electrically coupled together as Y by the pin 2 of respective battery lead plate 1 respectively and connects, and the other end is drawn and formed three lead-in wires.
1 liang of side resistance of each battery lead plate is respectively PTC type resistance 3 and NTC type resistance 4, and PTC type resistance 3NTC type resistance 4 is connected in parallel by battery lead plate 4, is monolithically fabricated compound power termination resistance, as shown in Figure 4.
As shown in Figure 1, in the present embodiment, first～three resistance R1-1, R1-2, R1-3 is PTC chip, 4th～six resistance R2-1, R2-2, R2-3 is NTC chip, three battery lead plate two sides are respectively welded first～three resistance R1-1, R1-2, R1-3 and the 4th～six resistance R2-1, R2-2, R2-3, be equivalent to the first resistance R1-1 and the 4th resistance R2-1 in parallel, second resistance R1-2 and the 5th resistance R2-2 is in parallel, 3rd resistance R1-3 and the 6th resistance R2-3 is in parallel, by the pin 2 of each battery lead plate 1, three groups of resistance are connected into Y again and connect form, the other end is drawn and is formed three lead-in wires, i.e. first～three causes line L1～L3, as shown in Figure 1.
The coated insulant in each battery lead plate 1 end, three battery lead plate 1 two ends are mechanically connected by connector, form structure as figure 5 illustrates.Housing is the round pie of hollow, and height be about 20mm, and in thickness direction 1 three trimmings of parallel three battery lead plates, Stability Analysis of Structures, is easy to client's fixed installation, increases fan hot side long-pending simultaneously.
As shown in Figure 2, complete single the coated insulant in battery lead plate end after welding, the present embodiment uses dielectric film 7, three battery lead plate 1 two ends are mechanically connected by connector (the present embodiment employing screw), form a triangular structure, this triangular structure being encased in housing 5 (the present embodiment employing aluminium casing), three lead-out wires are drawn by housing, are connected with outside lead during use again.Housing 5 uses aluminium casing.
As it is shown on figure 3, battery lead plate is square, extend pin 2.
This utility model utilizes function ceramics technology, PTC is positive temperature coefficient resistor (becoming big along with temperature rises high value), NTC is negative temperature coefficient resister (diminishing along with temperature rises high value), utilize their characteristic, PTC Yu the NTC compound power termination resistance of the processing and fabricating that is combined into one.And ensure will not change at-40～200 DEG C of its output resistances.
Claims (6)
1. an electric current high-power, big, the compound load of small size, it is characterized in that: there are three battery lead plates, electrically connect with resistance respectively on the end face of each battery lead plate both sides, one end of resistance lead on three battery lead plates is electrically coupled together as Y by the pin of respective battery lead plate respectively and connects, and the other end is drawn and formed three lead-in wires.
2. electric current high-power, big as described in claim 1, the compound load of small size, it is characterized in that: each battery lead plate two side resistance is respectively PTC type resistance and NTC type resistance, PTC type resistance is connected in parallel by battery lead plate with NTC type resistance, is monolithically fabricated compound power termination resistance.
3. electric current high-power, big as described in claim 1, the compound load of small size, it is characterised in that: the coated insulant in described each battery lead plate end, three battery lead plate two ends are mechanically connected by connector.
4. electric current high-power, big as described in claim 1, the compound load of small size, it is characterised in that: being wholy set in housing, each pin wiring is drawn by housing.
5. electric current high-power, big as described in claim 4, the compound load of small size, it is characterised in that: housing is the round pie of hollow.
6. electric current high-power, big as described in claim 5, the compound load of small size, it is characterised in that: round pie is in three trimmings of thickness direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128279.8U CN205451955U (en) | 2015-12-30 | 2015-12-30 | High -power, heavy current, load of little volume recombination type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128279.8U CN205451955U (en) | 2015-12-30 | 2015-12-30 | High -power, heavy current, load of little volume recombination type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205451955U true CN205451955U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521128279.8U Active CN205451955U (en) | 2015-12-30 | 2015-12-30 | High -power, heavy current, load of little volume recombination type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489327A (en) * | 2015-12-30 | 2016-04-13 | 丹东科亮电子有限公司 | Composite load with high power, large current and small volume |
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2015
- 2015-12-30 CN CN201521128279.8U patent/CN205451955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489327A (en) * | 2015-12-30 | 2016-04-13 | 丹东科亮电子有限公司 | Composite load with high power, large current and small volume |
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