CN204190362U - Mini-type bi-pole petrol and diesel oil threephase generator - Google Patents
Mini-type bi-pole petrol and diesel oil threephase generator Download PDFInfo
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- CN204190362U CN204190362U CN201420537021.2U CN201420537021U CN204190362U CN 204190362 U CN204190362 U CN 204190362U CN 201420537021 U CN201420537021 U CN 201420537021U CN 204190362 U CN204190362 U CN 204190362U
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- winding
- voltage regulator
- auxiliary winding
- automatic voltage
- generator
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- 239000002283 diesel fuel Substances 0.000 title claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 121
- 230000001012 protector Effects 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
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- Control Of Eletrric Generators (AREA)
- Protection Of Generators And Motors (AREA)
Abstract
A kind of mini-type bi-pole petrol and diesel oil threephase generator; comprise three-phase main winding, auxiliary winding, rotor windings and automatic voltage regulator; the three-phase windings of auxiliary winding to be single-phase winding or three windings be Y-connection; the output of auxiliary winding is connected with automatic voltage regulator, all embedding thermal protector having the normally-closed contact that can cut off auxiliary winding electric current and exciting current in each group of winding wire bag of three-phase main winding.Owing to have employed technique scheme; the utility model has the advantage of compact conformation, reliable operation and economy; it can disconnect by thermal protector when three any one winding temperatures of main winding are raised to certain value; to cut off auxiliary winding or exciting current; generator is made to stop generating; when winding temperature is cooled to uniform temperature, thermal protector recovers to connect; to connect auxiliary winding or exciting current; generator is generated electricity again; the overheated short circuit of generator overload is played a protective role, prevents generator from burning.
Description
Technical field
The utility model relates to a kind of petrol and diesel oil generator, especially a kind of petrol and diesel oil threephase generator.
Background technology
Logical machine industry develops over more than 10 year at home, and the overload of mini-type bi-pole generator, short-circuit protection is a difficult problem of the puzzlement industry always.JB/T10304 requires that generating set must not be protected when nominal load; 1.1 doubly nominal load must not be protected for 1 hour; Must protect within the time not making unit damage during short circuit.Existing solution mainly mates circuit breaker, it is wasted time and energy, poor reliability, particularly threephase generator, the requirement of inductive load is started in order to meet user, circuit breaker is commonplace by the phenomenon becoming sky to open, and during use, frequent single-phase excess load uses, thus causes the single-phase phenomenon of burning of a large amount of threephase generator.
Utility model content
The purpose of this utility model is to provide the mini-type bi-pole petrol and diesel oil threephase generator of a kind of compact conformation, reliable operation; it can disconnect by thermal protector when any one winding temperature of three main windings is raised to certain value; to cut off auxiliary winding or exciting current; generator is made to stop generating; when winding temperature is cooled to uniform temperature, thermal protector recovers to connect; to connect auxiliary winding or exciting current; generator is generated electricity again; the overheated short circuit of generator overload is played a protective role, prevents generator from burning.
The purpose of this utility model is achieved through the following technical solutions: mini-type bi-pole petrol and diesel oil threephase generator; comprise three-phase main winding, auxiliary winding, rotor windings and automatic voltage regulator; the three-phase windings of auxiliary winding to be single-phase winding or three windings be Y-connection; the output of auxiliary winding is connected with automatic voltage regulator; in each winding wire bag of three-phase main winding, be provided with the thermal protector of the normally-closed contact that can cut off auxiliary winding electric current or exciting current, on each winding, thermal protector is cascaded formation thermel protection device successively.
Three-phase main winding in the utility model thermal protector in the situations such as overload short circuit reaches certain value (as 130 degree or 155 degree at winding temperature; this temperature can according to product actual selection) time disconnects; to cut off auxiliary winding or exciting current path; thus cut off auxiliary winding electric current or exciting current, stop generating.When thermal protector is cooled to uniform temperature (such as 100 degree, this temperature can according to product actual selection), thermal protector recovers to connect, and again generates electricity.The overheated short circuit of generator overload is played a protective role, prevents generator overheated and burn in power generation process.
JB/T10304 requires that generating set must not be protected when nominal load; 1.1 doubly nominal load must not be protected for 1 hour; Must protect within the time not making unit damage during short circuit.Original circuit breaker, overcurrent protector can not meet the demands because of various reasons completely, can not take into account especially when being particularly directed to inductive load.Can be addressed this problem by such scheme, protect motor more reliably, to meet standard-required.
Owing to have employed technique scheme; the utility model has the advantage of compact conformation, reliable operation and economy; it can disconnect by thermal protector when any one winding temperature of three main windings is raised to certain value; to cut off auxiliary winding or exciting current; generator is made to stop generating; when winding temperature is cooled to uniform temperature, thermal protector recovers to connect; to connect auxiliary winding or exciting current; generator is generated electricity again; the overheated short circuit of generator overload is played a protective role, prevents generator from burning.
Accompanying drawing explanation
Accompanying drawing of the present utility model is described as follows.
Fig. 1 is the electrical schematic diagram of the first embodiment of the utility model.
Fig. 2 is the electrical schematic diagram of the utility model the second embodiment.
Fig. 3 is the electrical schematic diagram of the third embodiment of the utility model.
embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the utility model being further elaborated.
As shown in Figure 1, 2, 3; the utility model comprises three-phase main winding R1, auxiliary winding R2, rotor windings R3 and automatic voltage regulator AVR; the three-phase windings of auxiliary winding R2 to be single-phase winding or three windings be Y-connection; the output of auxiliary winding R2 is connected with automatic voltage regulator AVR; in each winding wire bag of three-phase main winding R1, be provided with the thermal protector K of the normally-closed contact that can cut off auxiliary winding electric current or exciting current, on each winding, thermal protector K is cascaded formation thermel protection device successively.
Three-phase main winding in the utility model thermal protector in the situations such as overload short circuit reaches certain value (as 130 degree or 155 degree at winding temperature; this temperature can according to product actual selection) time disconnects; to cut off auxiliary winding or exciting current path; thus cut off auxiliary winding electric current or exciting current, stop generating.When thermal protector is cooled to uniform temperature (such as 100 degree, this temperature can according to product actual selection), thermal protector recovers to connect, and again generates electricity.The overheated short circuit of generator overload is played a protective role, prevents generator overheated and burn in power generation process.Thermal protector K also can directly be serially connected with in main winding.
As shown in Figure 1; the first execution mode that the utility model adopts is: auxiliary winding R2 is single-phase winding; one end of auxiliary winding R2 is connected with automatic voltage regulator AVR; the other end of auxiliary winding R2 is connected with automatic voltage regulator AVR by thermel protection device, and the two ends of rotor windings R3 are connected with the DC output end of automatic voltage regulator AVR by collector ring inner ring S and carbon brush J all successively.
Three-phase main winding in above-mentioned execution mode thermal protector in the situations such as overload short circuit reaches certain value (as 130 degree or 155 degree at winding temperature; this temperature can according to product actual selection) time disconnects; between auxiliary winding and automatic voltage regulator one path is cut off; thus cut off auxiliary winding electric current, stop generating.When thermal protector is cooled to uniform temperature (as 100 degree, this temperature can according to product actual selection), thermal protector recovers to connect, and again generates electricity.The overheated short circuit of generator overload is played a protective role, prevents generator overheated and burn in power generation process.
As shown in Figure 2; the second execution mode that the utility model adopts is: auxiliary winding R2 is three-phase windings; three outputs of auxiliary winding R2 are connected with automatic voltage regulator; one end of thermel protection device is connected with the positive pole of automatic voltage regulator AVR DC output end; the other end connects with the carbon brush J1 that rotor windings R3 positive pole is connected, and the carbon brush J2 that rotor windings R3 negative pole connects is connected with automatic voltage regulator AVR DC output end.
In three-phase main winding in above-described embodiment one of them or all winding thermal protector in the situations such as overload short circuit reach certain value (as 130 degree or 155 degree at winding temperature; this temperature can according to product actual selection) time disconnects; to have cut off the path between rotor windings positive pole and automatic voltage regulator; thus cut-out exciting current, stop generating.When thermal protector is cooled to uniform temperature (such as 100 degree, this temperature can according to product actual selection), thermal protector recovers to connect, and again generates electricity.The overheated short circuit of generator overload is played a protective role, prevents generator overheated and burn in power generation process.
As shown in Figure 3; the third execution mode that the utility model adopts is: auxiliary winding R2 is three-phase windings; the output of auxiliary winding R2 is connected on rectifier C; a leading-out terminal of rectifier C is connected with automatic voltage regulator AVR; another leading-out terminal of rectifier C leads to thermel protection device and is connected with automatic voltage regulator AVR, and the two ends of rotor windings R3 are connected with the DC output end of automatic voltage regulator AVR by collector ring inner ring S and carbon brush J all successively.
In three-phase main winding in above-mentioned execution mode one of them or all winding thermal protector in the situations such as overload short circuit reach certain value (as 130 degree or 155 degree at winding temperature; this temperature can according to product actual selection) time disconnects; path between rectifier C and automatic voltage regulator AVR is cut off; thus cut off auxiliary winding electric current, stop generating.When thermal protector is cooled to uniform temperature (as 100 degree, this temperature can according to product actual selection), thermal protector recovers to connect, and again generates electricity.The overheated short circuit of generator overload is played a protective role, prevents generator overheated and burn in power generation process.Rectifier is three-phase eight pipe rectifier bridge.
JB/T10304 requires that generating set must not be protected when nominal load; 1.1 doubly nominal load must not be protected for 1 hour; Must protect within the time not making unit damage during short circuit.Original circuit breaker, overcurrent protector can not meet the demands because of various reasons completely, can not take into account especially when being particularly directed to inductive load.Can be addressed this problem by above-mentioned several embodiment, protect motor more reliably, to meet standard-required.
As shown in Figure 1, 2, 3, for the ease of installing, thermal protector K is arranged in the end of each winding of three-phase main winding R1.
As shown in Figure 1, 2, 3, the connection of each winding in the voltage sampling end of automatic voltage regulator AVR and three-phase main winding R1.
Automatic voltage regulator AVR, according to the situation of the voltage sampling of three-phase main winding, is added on the excitation magnetic coil of generator amature by carbon brush and collector ring after the AC rectification that auxiliary winding produces, reaches the function continuing generating.
Claims (6)
1. a mini-type bi-pole petrol and diesel oil threephase generator; comprise three-phase main winding R1, auxiliary winding R2, rotor windings R3 and automatic voltage regulator AVR; it is characterized in that: the three-phase windings of auxiliary winding R2 to be single-phase winding or three windings be Y-connection; the output of auxiliary winding R2 is connected with automatic voltage regulator; in each winding wire bag of three-phase main winding R1, be provided with the thermal protector K of the normally-closed contact that can cut off auxiliary winding electric current or exciting current, on each winding, thermal protector K is cascaded formation thermel protection device successively.
2. mini-type bi-pole petrol and diesel oil threephase generator as claimed in claim 1; it is characterized in that: auxiliary winding R2 is single-phase winding; one end of auxiliary winding R2 is connected with automatic voltage regulator AVR; the other end of auxiliary winding R2 is connected with automatic voltage regulator AVR by thermel protection device, and the two ends of rotor windings R3 are connected with the DC output end of automatic voltage regulator AVR by collector ring inner ring S and carbon brush J all successively.
3. mini-type bi-pole petrol and diesel oil threephase generator as claimed in claim 1; it is characterized in that: auxiliary winding R2 is three-phase windings; three outputs of auxiliary winding R2 are connected with automatic voltage regulator; one end of thermel protection device is connected with the positive pole of automatic voltage regulator AVR DC output end; the other end connects with the carbon brush J1 that rotor windings R3 positive pole is connected, and the carbon brush J2 that rotor windings R3 negative pole connects is connected with automatic voltage regulator AVR DC output end.
4. mini-type bi-pole petrol and diesel oil threephase generator as claimed in claim 1; it is characterized in that: auxiliary winding R2 is three-phase windings; the output of auxiliary winding R2 is connected on rectifier C; an outlet of rectifier C is connected with automatic voltage regulator AVR; another leading-out terminal of rectifier C leads to thermel protection device and is connected with automatic voltage regulator AVR, and the two ends of rotor windings R3 are connected with the DC output end of automatic voltage regulator AVR by collector ring inner ring S and carbon brush J all successively.
5. the mini-type bi-pole petrol and diesel oil threephase generator as described in claim 1,2,3 or 4, is characterized in that: thermal protector K is arranged in the end of each winding of three-phase main winding R1.
6. mini-type bi-pole petrol and diesel oil threephase generator as claimed in claim 5, is characterized in that: the connection of each winding in the voltage sampling end of automatic voltage regulator AVR and three-phase main winding R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537021.2U CN204190362U (en) | 2014-09-18 | 2014-09-18 | Mini-type bi-pole petrol and diesel oil threephase generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537021.2U CN204190362U (en) | 2014-09-18 | 2014-09-18 | Mini-type bi-pole petrol and diesel oil threephase generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190362U true CN204190362U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537021.2U Expired - Fee Related CN204190362U (en) | 2014-09-18 | 2014-09-18 | Mini-type bi-pole petrol and diesel oil threephase generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190362U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993627A (en) * | 2015-06-24 | 2015-10-21 | 杨猛 | Three-phase AC adjustable-speed motor of rotor power frequency AC excitation |
| CN104993628A (en) * | 2015-06-24 | 2015-10-21 | 杨猛 | Speed regulation method of three-phase AC adjustable-speed motor of rotor power frequency AC excitation |
| CN106788128A (en) * | 2016-11-24 | 2017-05-31 | 北京佩特来电器有限公司 | Motor vehicle electric rotating machine, voltage regulator controller and voltage-regulation control method |
| CN108988712A (en) * | 2018-07-05 | 2018-12-11 | 重庆市科诚电机制造有限公司 | A kind of constant power generating set and its output control method |
-
2014
- 2014-09-18 CN CN201420537021.2U patent/CN204190362U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993627A (en) * | 2015-06-24 | 2015-10-21 | 杨猛 | Three-phase AC adjustable-speed motor of rotor power frequency AC excitation |
| CN104993628A (en) * | 2015-06-24 | 2015-10-21 | 杨猛 | Speed regulation method of three-phase AC adjustable-speed motor of rotor power frequency AC excitation |
| CN104993628B (en) * | 2015-06-24 | 2017-11-24 | 杨猛 | A kind of speed regulating method of the three-phase AC speed-regulating motor of rotor industrial frequency AC excitation |
| CN104993627B (en) * | 2015-06-24 | 2018-03-20 | 杨猛 | A kind of three-phase AC speed-regulating motor of rotor industrial frequency AC excitation |
| CN106788128A (en) * | 2016-11-24 | 2017-05-31 | 北京佩特来电器有限公司 | Motor vehicle electric rotating machine, voltage regulator controller and voltage-regulation control method |
| CN108988712A (en) * | 2018-07-05 | 2018-12-11 | 重庆市科诚电机制造有限公司 | A kind of constant power generating set and its output control method |
| CN108988712B (en) * | 2018-07-05 | 2022-03-15 | 重庆市科诚电机制造有限公司 | Equal-power generator set and output control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |