CN85107776A - Be applicable to the water-cooled rectifier ring of brushless exciter - Google Patents
Be applicable to the water-cooled rectifier ring of brushless exciter Download PDFInfo
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- CN85107776A CN85107776A CN85107776.5A CN85107776A CN85107776A CN 85107776 A CN85107776 A CN 85107776A CN 85107776 A CN85107776 A CN 85107776A CN 85107776 A CN85107776 A CN 85107776A
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Abstract
Be applicable to the water-cooled rectifier ring of brushless exciter, be installed on the end face of brushless exciter armature rotor yoke portion, the connecting line of rectification part, positive and negative electrode circuit is embedded in the hole slot of ring seat, and the water flowing cooling.This water-cooled rectifier ring has good cooling results, the windmill loss is low, noise is little, compact conformation, advantage such as safe and reliable.
Description
Collector ring is the significant components of brushless exciter.
Collector ring in the brushless exciter commonly used all is arranged separately on one or two the metal traffic cycles, and used rectifier cell is respectively adorned a fin that volume is bigger, relies on wind-cooling heat dissipating.When brushless exciter main shaft fast rotational,, fin and air produce wind moussing loss and ventilation noise because rubbing mutually.This air-cooled collector ring energy consumption height, noise are big.
Occasion in some special-purpose few in number, brushless exciter also adopts liquid cools, the used cooling means of SU886152 patent as announcement in 1981, it is to fill with a kind of cooling fluid in whole brushless exciter inside, utilize the circulation of cooling fluid, the heat of rectifier cell in the excitation unit and the generation of other heat generating components is taken away, reached the purpose that improves cooling effect with this.The major defect that this liquid cools mode exists is: because the inner full of liquid medium of whole brushless exciter increases the resistance of exciter rotor motion; Used cooling fluid can only be non-conductive liquid, oils etc. for example, and the cooling effect of this class cooling fluid is unsatisfactory.
The objective of the invention is to design the novel rectifying ring of a kind of compact conformation, good cooling results, energy consumption is little, the ventilation noise is low brushless exciter.
The drawing explanation:
Fig. 1 is the structure cutaway view of the water-cooled rectifier ring of brushless exciter of the present invention.The ring seat of 1-water-cooled rectifier ring among the figure, elastomeric pad in the 2-hole insulator, 3-, 4-is embedded with the interior metal contact of hollow metal conduit, the 5-silicon rectifier cell, the outer metal contact of 6-, the outer metal contact (6) of 7-is to the lug plate between phase line, the 8-insulation spacer, the outer elastomeric pad of 9-, 10-cover plate, 11-tighten up the hold-down screw of rectification part, the positive lead of 12-hollow metal catheter type, the negative lead of 13-hollow metal catheter type.
Fig. 2 is that water-cooled rectifier ring ring seat (1) goes up slotted eye arrangement schematic diagram.A-arranges the hole that rectification part is used, b-cannelure, the link slot between c-hole (a) and cannelure (b) among the figure.
Below in conjunction with the basic structure of description of drawings water-cooled rectifier ring of the present invention, but summary of the invention is not limited to description of drawings.
Brushless exciter water-cooled rectifier ring of the present invention, with water as coolant, to improve radiating effect.For reducing wind friction consumption and ventilation noise to greatest extent, the connecting line of rectification part, positive and negative electrode circuit is embedded in the hole slot of ring seat (1).For making the brushless exciter compact conformation, and water-cooled rectifier ring is arranged in the end of brushless exciter armature rotor yoke portion.
As shown in Figure 2, upward have one group of hole (a) at the same Zhou Jing of ring seat (1), a cannelure (b) respectively has link slot (c) between hole (a) and cannelure (b) well-balancedly.Hole (a) is used to arrange rectification part, arranges the positive and negative electrode connecting circuit of water flowing energising in groove, the hole.The layout of the rectification part of brushless exciter water-cooled rectifier ring and positive and negative electrode connecting line is shown in Fig. 1.Each hole (a) is arranged a rectification part, placing one in the hole (a) is close at the bottom of the hole and the insulator (2) at hole wall place, to guarantee high-insulation between rectification circuit and ring seat (1), place an interior elastomeric pad (3) in the insulator (2), an interior metal contact (4), a silicon rectifier cell (5), an outer metal contact (6), the lug plate (7) that outer metal contact (6) isopen is linked to each other, an insulation spacer (8), an outer elastomeric pad (9) is fixed tightly on the ring seat (1) rectification part with hold-down screw (11) by cover plate (10).For silicon rectifier cell (5) in time and is effectively dispelled the heat, each interior metal contact (6) is connected mutually with electrode connecting line (12) or (13), its bridging mode has: the first half or Lower Half as the interior metal contact (4) of negative or positive electrode end are opened a groove, positive lead (12) or negative lead (13) are embedded in the groove, perhaps open a hole or groove, with end and electrode connecting line (12) or (13) welding of hole or groove at the suitable position of interior metal contact (4).
Connecting line with the interior metal contact (4) of half is linked to be positive lead (12) with interval, second half the connecting line of interior metal contact (4) is linked to be negative lead (13), the outside of both positive and negative polarity connecting line (12), (13) all is surrounded by insulating material, place respectively on the diverse location in hole (a), link slot (c) and the cannelure (b), avoid producing each other electrical interference.But all connecting lines are all made of not only water flowing but also the hollow metal conduit that can switch on.The water flowing cooling respectively of positive lead (12), negative lead (13).
Can water-cooled rectifier ring be arranged on the ring seat (1) by said structure, this ring seat (1) is fixed on the end face of brushless exciter armature rotor yoke portion with hold-down screw, perhaps save independently ring seat (1), water-cooled rectifier ring directly is arranged on the end face of armature yoke portion; Perhaps be arranged on other positions outside the armature yoke portion.Supplying with the water-cooled rectifier ring cooling water can adopt the method for supplying water that is similar to the water-cooled rotor motor to solve.
According to above-mentioned basic structure scheme,, just can obtain multi-form rectification circuit if the distribution situation of hole, groove, rectification part and connecting circuit on the ring seat (1) is done suitable change.
The water-cooled rectifier ring of brushless exciter of the present invention compares with the collector ring of air-cooled collector ring or other liquid cools, has the following advantages:
1. the heat-sinking capability of water has better cooling effect greater than air and other general liquid.
2. the connecting line of water-cooled rectifier ring is arranged in the slotted eye, and it is airtight to add cover plate, again without the air cooling fin, can reduce wind moussing loss and ventilation noise significantly, and energy-saving effect is remarkable, and improves surrounding environment.
3. owing to the good cooling results of water, the volume of rectification part and connecting line greatly reduces, and water-cooled rectifier ring is than air cooling collector ring commonly used, and structure is far beyond compactness, and material is also saved.
4. water-cooled rectifier ring adopts the compression joint type silicon rectifier cell, and the used spiral silicon rectifier cell of air-cooled collector ring has the plait wiring, water-cooled rectifier ring easy-to-connect safety.
Embodiment 1.
The water-cooled rectifier ring of three phase full wave rectification bridge-type, each rectifier arm comprise the silicon diode rectifier cell that a nominal load current is 200 peaces.This collector ring directly is arranged on the end face of brushless exciter yoke portion.Yoke portion external diameter is 312 millimeters, and hole is opened 6 altogether, and the aperture is 50 millimeters, dark 65 millimeters, and 15 millimeters of annular groove widths, dark 40 millimeters.It is 10 * 10 millimeters that the positive and negative electrode connecting line adopts external dimensions
2, endoporus is of a size of 7 * 7 millimeters
2The copper pipe of square-section.If the every effective length overall of connecting line (promptly do not comprise and embed interior contact part) is 2 meters.This water-cooled rectifier ring can reach 600 peaces for rectified current.When being 1 meter per second by the water speed in the positive and negative electrode connecting line, per hour cooling water flow is 0.26 ton, and the temperature rise of cooling water after by collector ring is lower than 4 ℃.
The brushless exciter armature rotor yoke portion external diameter of a vertical low speed water generator is 800 millimeters, can embed an external diameter and be 750 millimeters the good water-cooled rectifier ring of prior device.Water-cooled rectifier ring upper edge diameter is that to open diameter on week be 18 of 50 millimeters, dark 65 millimeters hole in 650 millimeters garden, and over the footpath be 550 millimeters, internal diameter is 480 millimeters, one of dark 55 millimeters cannelure.Positive and negative electrode connecting line in embedding in the contact pocket is 10 * 10-8 * 8 millimeter
2The hollow copper tubing of square-section.Positive lead embeds in the groove that is arranged in the the the the the the 1st, the 2nd, the 3rd, the 7th, the 8th, the 9th, the 13rd, the 14th and the 15th the interior metal contact in the hole successively; Negative lead then embed successively the the the the the 4th, the 5th, the 6th, the 10th, the 11st, the 12nd, the 16th, the 17th and the home hole in the groove of interior metal contact in.Be to reduce the resistance of positive and negative electrode connecting line, arrange again that in cannelure sectional dimension is 15 * 15-10 * 10 millimeter
2Two of hollow copper tubings, each is in parallel with above-mentioned hollow copper tubing welding.
This water-cooled rectifier ring is a three phase full wave rectification, and can supply with rectified current is 1800 peaces, and each rectifier arm has three silicon diode parallel connections.The nominal load current of each silicon rectifier cell is 200 peaces.
If every effective length of positive and negative electrode connecting line is 4 meters, the fully loaded forward voltage drop of each silicon diode is 0.5 volt.When being 1 meter per second by the water speed in the positive and negative electrode connecting line, per hour cooling water flow is 0.59 ton.This moment as collector ring are supplied with 1800 and are pacified rectified currents, then cooling water by collector ring after De Wen Noboru be lower than 8 ℃.
Claims (4)
1, a kind of by ring seat [1], the water-cooled rectifier ring that the brushless exciter that rectification part and connecting circuit are formed is used, it is characterized in that having hole [a], cannelure [b], the ring seat [1] of link slot [c] is arranged in the end of brushless exciter armature rotor yoke portion, or be arranged on the garden dish that is fixed in the yoke end surface, or be arranged on the garden dish that is fixed in main shaft, by a hole insulator [2], an interior elastomeric pad [3], an interior metal contact [4], a compression joint type silicon rectifier cell [5], an outer metal contact [6], the lug plate [7] that an outer metal contact [6] is connected with phase line, an insulation spacer [8], an outer elastomeric pad [9], the rectification part that a cover plate [10] and several hold-down screws [11] are formed is arranged in hole [a] and locates, and the connecting line of the connecting circuit that is connected mutually with interior metal contact is arranged in cannelure [b] and the link slot [c] and water flowing is cooled off.
2, according to the described water-cooled rectifier ring of claim 1, it is characterized in that well-balanced ground of several holes (a) cloth on the ring seat (1) is in same garden on week, cannelure (b) is arranged in a side of hole (a), has link slot (C) between each hole (a) and the cannelure (C).
3, according to claim 1 and 4 described water-cooled rectifier rings, it is characterized in that metal contact (4) has a hole slot that is connected mutually with electrode connecting line in each, the electrode connecting line that the interior metal contact (4) of half is connected is linked to be positive lead (12) with interval, the electrode connecting line of half is linked to be negative lead (13) in addition, and positive and negative electrode connecting line (12), (13) place respectively on the positions different in hole (a), link slot (c) and the cannelure (b) to avoid each other electrically interference.
4,, it is characterized in that the connecting line of connecting circuit adopts the outer insulating material that is surrounded by can make its positive and negative electrode connecting line (12), (13) water flowing cooling respectively for the hollow metal conduit of water flowing energising according to the described water-cooled rectifier ring of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107776.5A CN1004851B (en) | 1985-10-26 | 1985-10-26 | Water-cooling rectifier ring for brushless exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107776.5A CN1004851B (en) | 1985-10-26 | 1985-10-26 | Water-cooling rectifier ring for brushless exciter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85107776A true CN85107776A (en) | 1986-05-10 |
| CN1004851B CN1004851B (en) | 1989-07-19 |
Family
ID=4795769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85107776.5A Expired CN1004851B (en) | 1985-10-26 | 1985-10-26 | Water-cooling rectifier ring for brushless exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004851B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896224A (en) * | 2015-01-22 | 2016-08-24 | 贵州航空发动机研究所 | High speed brush ring cooling device of primer |
-
1985
- 1985-10-26 CN CN85107776.5A patent/CN1004851B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896224A (en) * | 2015-01-22 | 2016-08-24 | 贵州航空发动机研究所 | High speed brush ring cooling device of primer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004851B (en) | 1989-07-19 |
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