CN201597467U - AC driving device for auxiliary system of mining electric locomotive - Google Patents
AC driving device for auxiliary system of mining electric locomotive Download PDFInfo
- Publication number
- CN201597467U CN201597467U CN2010203012775U CN201020301277U CN201597467U CN 201597467 U CN201597467 U CN 201597467U CN 2010203012775 U CN2010203012775 U CN 2010203012775U CN 201020301277 U CN201020301277 U CN 201020301277U CN 201597467 U CN201597467 U CN 201597467U
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- alternating current
- air compressor
- current dynamo
- variable frequency
- motor
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Abstract
An AC driving device for auxiliary system of mining electric locomotive comprises the following components: a network voltage DC converter, an AC motor variable-frequency driver of air compressor, an AC motor variable-frequency driver of cooling fan, an AC motor of air compressor, and an AC motor of cooling fan. An input positive pole of the network voltage DC converter is connected with the network, and an input negative pole contacts with the rail. The input positive pole of the AC motor variable-frequency driver of air compressor and the input positive pole of the AC motor variable-frequency driver of cooling fan are respectively connected with the output positive pole of the network voltage DC converter. The input negative pole of the AC motor variable-frequency driver of air compressor and the input negative pole of the AC motor variable-frequency driver of cooling fan are respectively connected with the output negative pole of the network voltage DC converter. The output end of the AC motor variable-frequency driver of air compressor is connected with the AC motor of air compressor. The output end of the AC motor variable-frequency driver of air compressor is connected with the AC motor of cooling fan. The AC driving device for auxiliary system of mining electric locomotive can reduced fault rate of motor and ensures the reliable operation of mining electric locomotive.
Description
Technical field
The utility model relates to a kind of electric mine locomotive ancillary system actuating device, especially relates to a kind of electric mine locomotive ancillary system AC driving device.
Background technology
What existing electric mine locomotive ancillary system actuating device adopted is direct-current driving device, utilize DC machine to drive air compressor, traction electric machine cooling blower, the power supply gauze directly is connected with DC machine behind a suppressor resistor, like this, tend to cause the gauze mains fluctuations bigger, impact to motor is also big, electrical fault rate height, and service life is short; And what DC machine adopted is the mechanical switching device, utilizes commutator and carbon brush direct contact to realize commutating, because commutation is frequent, tends to cause carbon brush easy to wear, and not only maintenance bothers, and influences the normal operation of electric locomotive.
The utility model content
The purpose of this utility model is to overcome the above-mentioned defective that prior art exists, and provides a kind of and can effectively reduce the electrical fault rate, guarantees the electric mine locomotive ancillary system AC driving device of electric mine locomotive reliability service.
The technical solution of the utility model is: it comprises gauze voltage DC converter, air compressor alternating current dynamo variable frequency drives, cooling blower alternating current dynamo variable frequency drives, air compressor alternating current dynamo, cooling blower alternating current dynamo, the input of gauze voltage DC converter is anodal to be connected with gauze, and the input negative pole contacts with rail; The anodal input with cooling blower alternating current dynamo variable frequency drives of the input of air compressor alternating current dynamo variable frequency drives is anodal all to be connected with the output cathode of gauze voltage DC converter, and the input negative pole of the input negative pole of air compressor alternating current dynamo variable frequency drives and cooling blower alternating current dynamo variable frequency drives all is connected with gauze voltage DC converter output negative pole; The mouth of air compressor alternating current dynamo variable frequency drives links to each other with the air compressor alternating current dynamo, and the mouth of cooling blower alternating current dynamo variable frequency drives links to each other with the cooling blower alternating current dynamo.
The utility model utilizes gauze voltage DC converter that the gauze vdc of fluctuation is transformed into the constant DC pressure of well being isolated, thereby helps reducing the impact of gauze voltage fluctuation to the ancillary system motor; Utilize alternating current dynamo to drive air compressor, traction electric machine cooling blower, can alleviate the work capacity of ancillary system maintenance of motor effectively, reduce ancillary system electrical fault rate, prolong ancillary system service life, guarantee the electric mine locomotive reliability service.
Description of drawings
Fig. 1 is the utility model example structure scheme drawing;
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1, present embodiment comprises gauze voltage DC converter 1, air compressor alternating current dynamo variable frequency drives 2, cooling blower alternating current dynamo variable frequency drives 3, air compressor alternating current dynamo 4, cooling blower alternating current dynamo 5, the input of gauze voltage DC converter 1 is anodal to be connected with gauze 6, and the input negative pole contacts with rail 7; The anodal input with cooling blower alternating current dynamo variable frequency drives 3 of the input of air compressor alternating current dynamo variable frequency drives 2 is anodal all to be connected with the output cathode of gauze voltage DC converter 1, and the input negative pole of the input negative pole of air compressor alternating current dynamo variable frequency drives 2 and cooling blower alternating current dynamo variable frequency drives 3 all is connected with gauze voltage DC converter 1 output negative pole; The mouth of air compressor alternating current dynamo variable frequency drives 2 links to each other with air compressor alternating current dynamo 4, and the mouth of cooling blower alternating current dynamo variable frequency drives 3 links to each other with cooling blower alternating current dynamo 5.
During work, gauze voltage DC converter 1 is transformed into the constant DC600V direct supply of well being isolated with the gauze direct supply (fluctuation range DC800V-DC1800V) of voltage fluctuation, after air compressor alternating current dynamo variable frequency drives 2, cooling blower alternating current dynamo variable frequency drives 3 are reverse into the variable frequency alternating current power source of AC0-380V with the DC600V direct supply, drive air compressor alternating current dynamo 4 and cooling blower alternating current dynamo 5 respectively, and then the corresponding accessory machinery of driving electric locomotive.
More than be a kind of embodiment of the present utility model, a preferred demonstration example.The scope that the utility model application is asked for protection has more than and is limited to described embodiment.All and technical scheme present embodiment equivalence all belongs to protection domain of the present utility model.
Claims (1)
1. electric mine locomotive ancillary system AC driving device, it is characterized in that, comprise gauze voltage DC converter, air compressor alternating current dynamo variable frequency drives, cooling blower alternating current dynamo variable frequency drives, air compressor alternating current dynamo, cooling blower alternating current dynamo, the input of gauze voltage DC converter is anodal to be connected with gauze, and the input negative pole contacts with rail; The anodal input with cooling blower alternating current dynamo variable frequency drives of the input of air compressor alternating current dynamo variable frequency drives is anodal all to be connected with the output cathode of gauze voltage DC converter, and the input negative pole of the input negative pole of air compressor alternating current dynamo variable frequency drives and cooling blower alternating current dynamo variable frequency drives all is connected with gauze voltage DC converter output negative pole; The mouth of air compressor alternating current dynamo variable frequency drives links to each other with the air compressor alternating current dynamo, and the mouth of cooling blower alternating current dynamo variable frequency drives links to each other with the cooling blower alternating current dynamo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203012775U CN201597467U (en) | 2010-01-22 | 2010-01-22 | AC driving device for auxiliary system of mining electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203012775U CN201597467U (en) | 2010-01-22 | 2010-01-22 | AC driving device for auxiliary system of mining electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201597467U true CN201597467U (en) | 2010-10-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203012775U Expired - Lifetime CN201597467U (en) | 2010-01-22 | 2010-01-22 | AC driving device for auxiliary system of mining electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201597467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045025A (en) * | 2010-11-18 | 2011-05-04 | 南车资阳机车有限公司 | Control system for cooling fan of traction motor of locomotive |
| CN105452036A (en) * | 2013-08-06 | 2016-03-30 | 沃尔沃卡车集团 | Hybrid vehicle |
-
2010
- 2010-01-22 CN CN2010203012775U patent/CN201597467U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102045025A (en) * | 2010-11-18 | 2011-05-04 | 南车资阳机车有限公司 | Control system for cooling fan of traction motor of locomotive |
| CN102045025B (en) * | 2010-11-18 | 2012-09-26 | 南车资阳机车有限公司 | Control system for cooling fan of traction motor of locomotive |
| CN105452036A (en) * | 2013-08-06 | 2016-03-30 | 沃尔沃卡车集团 | Hybrid vehicle |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |