CN1273726C - Engine with novel speed regulation method - Google Patents
Engine with novel speed regulation method Download PDFInfo
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- CN1273726C CN1273726C CN 02114840 CN02114840A CN1273726C CN 1273726 C CN1273726 C CN 1273726C CN 02114840 CN02114840 CN 02114840 CN 02114840 A CN02114840 A CN 02114840A CN 1273726 C CN1273726 C CN 1273726C
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- speed regulation
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Abstract
The present invention relates to an engine with a novel speed regulation method, which comprises a cylinder (1), an oil pump (2), a heat radiation water tank (3), a heat radiation fan (4), a filter (5), a machine oil containing bottom casing (6), a main shaft (7), a parking lever (8), a gasoline throttle regulation lever (9), a transmission mechanism, etc., wherein the heat radiation fan (4) is arranged on the side of the heat radiation water tank (3); the gasoline throttle regulation lever (9) is connected with the oil pump (2), wherein the parking lever (8) is provided with a speed regulation device which can control the rotary speed of the engine and can switch on and off the engine. Because the parking lever is provided with the structure of the speed regulation device which can control the rotary speed of the engine and can switch on and off the engine, the speed regulation device comprises an electromagnetic actuating mechanism with simple structure and proportional control, and an electronic speed regulation device, and the proportional control is carried out on the rotary angle of the actuating mechanism by a PWM width regulation pulse transmitted by a PID regulator, the present invention can ensure flexible start-up oil supply and accurate idle speed control. During load varying operation with load, the present invention has the advantages of accurate constant speed, rapid dynamic response, normality and rapid emergency stop. In addition, the present invention also designs and adds a manual start-stop device. Under the condition of no electronic speed regulation, mechanical speed regulation, start-up and shutdown are completely restored.
Description
1, technical field:
The present invention is a kind of motor, belongs to the renovation technique of motor.
2, background technique:
Existing land is with (comprising automobile-used) motor, marine engine etc., if directly change other purposes into, as: generating, drive water pump supply water, or be assembled into low-grade generator set or the like, in order to improve its speed governing, generally take at present the remodeling method of Fig. 1, promptly adopt throttle adjustment and driving, parking to be divided into two-part and to control, final controlling element by proportional control carries out the ratio adjusting to throttle lever, by the parking electromagnet shutdown handle is spurred shutdown control, phase driver handle only uses when stopping, and the method is pretty troublesome to the transformation of former motor.1. the former mechanical adjustable speed drive of dismantling, use the final controlling element of a proportional control, directly drive the throttle adjustment tooth bar of its speed governing or remove the contained spring that former big moment could drive speed control rod, speed control rod is carried out constant speed control with the electric actuator of a proportional control; 2. increase an electromagnet to the brake lever control of shutting down, the characteristics of these methods are A: complex structure; B: non-producer and general user are difficult to realize tearing open, changing the technology of speed regulator; C: be not easy to realize full-automatic operation; D: electronic speed regulator is malfunctioning can't to recover the armstrong's patent speed governing; E: power-supply system is damaged, charger lost efficacy, battery damage, can not the self-actuating brake shutdown and cause accident.
3, summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming and a kind of novel speed governing motor that is equiped with the rotating speed of may command motor and carries out the arrangements for speed regulation of open and close machine on shutdown handle is provided.That the present invention is equiped with on original shutdown handle is simple in structure, the electromagnetic actuator of proportion expression control; and the PWM widened pulse that the corner of actuator is sent here by the PID regulator carries out proportional control; its fuel feeding of can guaranteeing to start shooting is flexible; idle speed control is accurate; constant speed is accurate during the on-load varying duty; dynamic response is rapid, and is normal, accidental shutdown is agile.After rotating speed of the present invention is set by the user, no matter payload changes, can both make motor stabilization of speed be operated on the set point, the speed governing rate is 0.
Another object of the present invention is to provide a kind of and under situation about damaging, recover mechanical speed governors and open and close machine fully, have the motor with novel speed regulation method of full-automatic, manual two kinds of control modes to meet the demands when power-supply system.
Structural representation of the present invention as shown in Figure 2, include cylinder 1, oil pump 2, cooling water tank 3, radiation fan 4, filter 5, contain oil pan 6, main shaft 7, shutdown handle 8, throttle adjustment bar 9 and driving mechanism thereof etc., radiation fan 4 places the side of cooling water tank 3, throttle adjustment bar 9 is connected with oil pump 2, wherein is equiped with the rotating speed of may command motor on the shutdown handle 8 and carries out the arrangements for speed regulation of open and close machine.
Above-mentioned arrangements for speed regulation can be electrically-actuated throttle device, or are mechanical adjustable speed drive.
Above-mentioned arrangements for speed regulation are electrically-actuated throttle device, it includes electromagnetic actuator and electronic speed regulator A, wherein electromagnetic actuator includes connecting rod 10, adjustable lever 11, rotating shaft 12, locking lever 13, magnet 14 and control coil thereof, spring 15, housing 16, wherein an end of connecting rod 10 is connected with stop rod 8, the other end is connected with adjustable lever 11, the other end of adjustable lever 11 is hinged on the outside of housing 16 by rotating shaft 12, the two ends of locking lever 13 are hinged on the inboard of housing 16 by rotating shaft 12, magnet 14 and control coil thereof place in the housing 16, one end of spring 15 is packed on the locking lever 13, the other end is packed on the housing 16, and the output of electronic speed regulator A is connected with the control coil of magnet 14.
The side of above-mentioned locking lever 13 also is provided with the manual start stop apparatus B that is packed on the housing 16.
Above-mentioned electronic speed regulator A includes pulse-voltage conversion circuit A1, amplification circuit A2, PID process controller A3, PWM controller A4, shaping circuit A5, wherein the input end of shaping circuit A5 is connected with velocity transducer A6 on being arranged on engine output shaft, the output terminal of shaping circuit A5 is connected with the input end of pulse-voltage conversion circuit A1, the input end of amplification circuit A2 is connected with the output terminal of pulse-voltage conversion circuit A1, the output terminal of amplification circuit A2 is connected with the input end of PID process controller A3, the output terminal of PID process controller A3 is connected with the input end of PWM controller A4, and the output terminal of PWM controller A4 is connected with the control coil of magnet 14.
The present invention is owing to adopt the structure that is equiped with the rotating speed of may command motor and carries out the arrangements for speed regulation of open and close machine on stop rod; and that arrangements for speed regulation include is simple in structure, the electromagnetic actuator and the electronic speed regulator of proportion expression control; the PWM widened pulse that the corner of actuator is sent here by the PID regulator carries out proportional control; therefore; its fuel feeding of can guaranteeing to start shooting is flexible; idle speed control is accurate; constant speed is accurate during the on-load varying duty; dynamic response is rapid, normal, accidental shutdown agile (the cut-off electricity is promptly shut down).In addition, because former throttle regulating system must not torn open, exempt motor and tear down and reconstruct the trouble and worry that back producer does not guarantee to keep in good repair; And unprofessional user also can start to carry out electricity and adjust and reform and make, and has expanded the purposes of motor greatly, will be subjected to very much the welcome, the particularly welcome of motor car engine producer and generator assembling factory of various motor producer.In addition, after rotating speed of the present invention is set by the user, no matter payload changes, can both make motor stabilization of speed be operated on the set point, the speed governing rate is 0.In addition, the present invention also designs has increased manual start stop apparatus, do not having to recover mechanical speed governors and open and close machine under the situation of electronic speed regulation fully, satisfy the specific (special) requirements of some power station (if full-automatic, the manual two kinds of control modes of power requirement, then keeping mechanical speed governors is the reserve guarantee of electronic speed regulation).The present invention is simple in structure, and controlling component has only one, can realize the full-automatic control of unit at an easy rate, and can recover mechanical speed governors rapidly, more can satisfy the military project power supply Equipment Requirement of China.And cost is low, transform easily, but the also extensive use of the general product for civilian use.The present invention is that a kind of design is ingenious, convenient-to-running motor with novel speed regulation method.
4, description of drawings:
Fig. 1 is the speed regulating structure schematic representation of original motor;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the outline drawing of electrically-actuated throttle device among the present invention;
Fig. 4 is the manually phase diagram of start stop apparatus B when throttle is opened among the present invention;
Fig. 5 is the manually phase diagram of start stop apparatus B when throttle is closed among the present invention;
Fig. 6 is the sectional view of manual start stop apparatus B among the present invention;
Fig. 7 is the theory diagram of electronic speed regulator A among the present invention;
Fig. 8 is the circuit diagram of electronic speed regulator A among the present invention;
Fig. 9 is the governor control characteristics schematic representation of original motor;
Figure 10 is a governor control characteristics schematic representation of the present invention.
5, embodiment:
Embodiment:
Structural representation of the present invention as shown in Figure 2, include cylinder 1, oil pump 2, cooling water tank 3, radiation fan 4, filter 5, contain oil pan 6, main shaft 7, shutdown handle 8, throttle adjustment bar 9 and driving mechanism thereof etc., radiation fan 4 places the side of cooling water tank 3, throttle adjustment bar 9 is connected with oil pump 2, wherein is equiped with the rotating speed of may command motor on the shutdown handle 8 and carries out the arrangements for speed regulation of open and close machine.
Above-mentioned arrangements for speed regulation can be electrically-actuated throttle device, or are mechanical adjustable speed drive.For controlling conveniently, in the present embodiment, arrangements for speed regulation are electrically-actuated throttle device, it includes electromagnetic actuator and electronic speed regulator A, wherein electromagnetic actuator includes connecting rod 10, adjustable lever 11, rotating shaft 12, locking lever 13, magnet 14 and control coil thereof, spring 15, housing 16, wherein an end of connecting rod 10 is connected with shutdown handle 8, the other end is connected with adjustable lever 11, the other end of adjustable lever 11 is hinged on the outside of housing 16 by rotating shaft 12, the two ends of locking lever 13 are hinged on the inboard of housing 16 by rotating shaft 12, magnet 14 and control coil thereof place in the housing 16, one end of spring 15 is packed on the locking lever 13, the other end is packed on the housing 16, and the output of electronic speed regulator A is connected with the control coil of magnet 14.
Regulate for convenient, above-mentioned adjustable lever 11 is provided with several adjustment hole 11A is installed.
Recover mechanical speed governors under the situation that does not have electronic speed regulation fully and open for being implemented in, shutdown, to satisfy the specific (special) requirements that power requirement automatically reaches manual two kinds of control modes, the side of above-mentioned locking lever 13 also is provided with the manual start stop apparatus that is packed on the housing 16, it includes sliding sleeve 21, traveller 22, spring 23, lock 24, wherein sliding sleeve 21 is provided with the hollow sleeve of locked groove 21A for sidewall, it is packed on the housing 16, spring 23 is nested with on traveller 22, traveller 22 is sleeved in the sliding sleeve 21, lock 24 inserts sliding sleeve 21 sidewalls and is connected with traveller 22, and sidewall is provided with locked groove 21A.Install and the location for convenient, the end of above-mentioned sliding sleeve 21 is provided with positioning boss 21B, and traveller 22 is provided with location shaft shoulder 22A.
Above-mentioned electronic speed regulator A includes pulse-voltage conversion circuit A1, amplification circuit A2, PID process controller A3, PWM controller A4, shaping circuit A5, wherein the input end of shaping circuit A5 is connected with velocity transducer A6 on being arranged on engine output shaft, the output terminal of shaping circuit A5 is connected with the input end of pulse-voltage conversion circuit A1, the input end of amplification circuit A2 is connected with the output terminal of pulse-voltage conversion circuit A1, the output terminal of amplification circuit A2 is connected with the input end of PID process controller A3, the output terminal of PID process controller A3 is connected with the input end of PWM controller A4, and the output terminal of PWM controller A4 is connected with the control coil of magnet 14.The input end of above-mentioned pulse-voltage conversion circuit A1 also is connected with sensor failure protective circuit A7.
For improving control accuracy, the input end of above-mentioned pulse-voltage conversion circuit A1 also is connected with the feedback loop of being made up of linearization arithmetic circuit A8 and current sampling circuit A9, wherein the output terminal of linearization arithmetic circuit A7 is connected with the input end of current sampling circuit A9, and the output terminal of current sampling circuit A9 is connected with the output terminal of PWM controller A4.Also be connected with external characteristics initialization circuit A10 between above-mentioned linearization arithmetic circuit A8 and the current sampling circuit A9, wherein linearization arithmetic circuit A8 includes idling setting and constant speed setting.
Above-mentioned pulse-voltage conversion circuit A1 includes integrated package I1 and peripheral cell capacitor C O thereof; C3; amplification circuit A2 includes operational amplifier U2 and peripheral cell resistance R 4 thereof; R9; R10 and triode T1; PID process controller A3 includes operational amplifier U3; U4; U8 and peripheral cell resistance R 1～R3 thereof; R11～R14; R28～R31; potentiometer W2; W3; W4; PWM controller A4 includes integrated package I2 and peripheral cell resistance R 32 thereof; R36; capacitor C 8; shaping circuit A5 includes operational amplifier U1; sensor failure protective circuit A7 includes operational amplifier U5 and peripheral cell resistance R 5～R8 thereof; potentiometer W1; linearization arithmetic circuit A8 includes operational amplifier U7 and peripheral cell resistance R 21～R27 thereof; current sampling circuit A9 includes operational amplifier U6 and peripheral cell resistance R 15～R19 thereof; external characteristics initialization circuit A10 includes adjustable resistance R37; wherein the input end of operational amplifier U5 is connected with potentiometer W1 by resistance R 7 respectively and reach passes through resistance R 8 ground connection; the output terminal of operational amplifier U5 is connected with PWM controller I2; the input end of operational amplifier U1 is connected with voltage-stabiliser tube D1 by resistance R 20 respectively and is connected with three terminal regulator 7812; the output terminal of operational amplifier U1 is connected with pulse-voltage transformation integrated package I1; pulse-voltage transformation integrated package I is respectively by capacitor C 0; capacitor C 3; resistance R 9 ground connection reaching is connected with the input end of operational amplifier U2; the output terminal of operational amplifier U2 is connected with the base stage of triode T1; the emitter of triode T1 is connected with the input end of operational amplifier U4 by resistance R 10 ground connection and by resistance R 11; the collector electrode of triode T1 is connected with the input end of operational amplifier U3 by potentiometer W2; the output terminal of operational amplifier U3 and operational amplifier U4 is connected with the output terminal of operational amplifier U8; the input end of operational amplifier U4 also is connected with the input end of operational amplifier U6 by resistance R 16 respectively; be connected by the input end of resistance R 22 with operational amplifier U7; the output terminal of the output terminal of operational amplifier U6 and operational amplifier U7 all connects on the PWM controller I2, and the output of PWM controller I2 is connected with the control coil of magnet 14 by field effect transistor G1.
When the present invention works, the control coil of the output controlling magnet 14 of electronic speed regulator A, magnet 14 when electric, with locking lever 13 adhesives, locking lever 13 drives adjustable levers 11 and 12 rotates around the shaft, and makes connected connecting rod 10 drive shutdown handle 8 throttle is opened; When need are shut down; the control coil of the output controlling magnet 14 of electronic speed regulator A makes magnet 14 dead electricity, and locking lever 13 discharges under the effect of spring 15; locking lever 13 drives adjustable levers 11 and 12 rotates around the shaft, and makes connected connecting rod 10 drive shutdown handle 8 throttle is closed.When the need speed governing, the PWM widened pulse of being sent here by the PID regulator carries out proportional control, thereby directly uses electronic speed regulator A to realize start → idling → raising speed → constant speed → reduction of speed → shutdown.When power-supply system is damaged, in any case, as long as need, system can recover the armstrong's patent speed governing at once in the time in very short several seconds, in addition, when needing manually start, the sliding post 22 forward of exerting oneself, traveller 22 stretches out forward, in like manner, locking lever 13 drives adjustable levers 11 and 12 rotates around the shaft, and makes connected connecting rod 10 drive shutdown handle 8 throttle to be opened, rotated traveller 22 again, the lock that is connected with traveller 22 24 is inserted in the locked groove 21A that sliding sleeves 21 sidewalls are provided with, thereby, make shutdown handle 8 be locked in the position that throttle is opened, as shown in Figure 4 with the locking position of locking lever 13; When needing manually shutdown, backward rotation traveller 22 makes the lock 24 that is connected with traveller 22 leave locked position, firmly pulls back traveller 22 again, traveller 22 is withdrawn backward, because the locking that lock 24 is removed locking lever 13, locking lever 13 discharges under the effect of spring 15, in like manner, locking lever 13 drives adjustable lever 11 and 12 rotates around the shaft, and make connected connecting rod 10 drive shutdown handle 8 throttle to be closed, make shutdown handle 8 be locked in the position that throttle is closed, as shown in Figure 5; Recover mechanical speed governors and open and close machine under the situation that does not have electronic speed regulation fully thereby be implemented in, to satisfy the specific (special) requirements that power requirement automatically reaches manual two kinds of control modes.
Claims (10)
1, a kind of novel speed governing motor, include cylinder (1), oil pump (2), cooling water tank (3), radiation fan (4), filter (5), contain oil pan (6), main shaft (7), shutdown handle (8), throttle adjustment bar (9) and driving mechanism thereof etc., wherein radiation fan (4) places the side of cooling water tank (3), throttle adjustment bar (9) is connected with oil pump (2), the arrangements for speed regulation that it is characterized in that being equiped with the rotating speed of may command motor on the shutdown handle (8) and carry out the open and close machine.
2, novel speed governing motor according to claim 1 is characterized in that above-mentioned arrangements for speed regulation can be electrically-actuated throttle device, or is mechanical adjustable speed drive.
3, novel speed governing motor according to claim 2, it is characterized in that above-mentioned arrangements for speed regulation are electrically-actuated throttle device, it includes electromagnetic actuator and electronic speed regulator A, wherein electromagnetic actuator includes connecting rod (10), adjustable lever (11), rotating shaft (12), locking lever (13), magnet (14) and control coil thereof, spring (15), housing (16), wherein an end of connecting rod (10) is connected with shutdown handle (8), the other end is connected with adjustable lever (11), the other end of adjustable lever (11) is hinged on the outside of housing (16) by rotating shaft (12), the two ends of locking lever (13) are hinged on the inboard of housing (16) by rotating shaft (12), magnet (14) and control coil thereof place in the housing (16), one end of spring (15) is packed on the locking lever (13), the other end is packed on the housing (16), and the output of electronic speed regulator A is connected with the control coil of magnet (14).
4, novel speed governing motor according to claim 3 is characterized in that above-mentioned adjustable lever (11) is provided with several adjustment hole (11A) is installed.
5,, it is characterized in that the side of above-mentioned locking lever (13) also is provided with the manual start stop apparatus B that is packed on the housing (16) according to claim 3 or 4 described novel speed governing motors.
6, novel speed governing motor according to claim 5, it is characterized in that above-mentioned manual start stop apparatus B includes sliding sleeve (21), traveller (22), spring (23), lock (24), wherein sliding sleeve (21) is provided with the hollow sleeve of locked groove (21A) for sidewall, it is packed on the housing (16), and spring (23) is nested with on traveller (22), and traveller (22) is sleeved in the sliding sleeve (21), lock (24) inserts sliding sleeve (21) sidewall and is connected with traveller (22), and sidewall is provided with locked groove (21A).
7, novel speed governing motor according to claim 6 is characterized in that the end of above-mentioned sliding sleeve (21) is provided with positioning boss (21B), and traveller (22) is provided with the location shaft shoulder (22A).
8, novel speed governing motor according to claim 6, it is characterized in that above-mentioned electronic speed regulator A includes pulse-voltage conversion circuit (A1), amplification circuit (A2), PID process controller (A3), PWM controller (A4), shaping circuit (A5), wherein the input end of shaping circuit (A5) is connected with velocity transducer (A6) on being arranged on engine output shaft, the output terminal of shaping circuit (A5) is connected with the input end of pulse-voltage conversion circuit (A1), the input end of amplification circuit (A2) is connected with the output terminal of pulse-voltage conversion circuit (A1), the output terminal of amplification circuit (A2) is connected with the input end of PID process controller (A3), the output terminal of PID process controller (A3) is connected with the input end of PWM controller (A4), and the output terminal of PWM controller (A4) is connected with the control coil of magnet (14).
9, novel speed governing motor according to claim 8 is characterized in that the input end of above-mentioned pulse-voltage conversion circuit (A1) also is connected with sensor failure protective circuit (A7).
10, novel speed governing motor according to claim 9, the input end that it is characterized in that above-mentioned pulse-voltage conversion circuit (A1) also is connected with the feedback loop of being made up of linearization arithmetic circuit (A8) and current sampling circuit (A9), wherein the output terminal of linearization arithmetic circuit (A7) is connected with the input end of current sampling circuit (A9), the output terminal of current sampling circuit (A9) is connected with the output terminal of PWM controller (A4), also be connected with external characteristics initialization circuit (A10) between linearization arithmetic circuit (A8) and the current sampling circuit (A9), linearization arithmetic circuit (A8) includes the idling setting and constant speed is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114840 CN1273726C (en) | 2002-02-01 | 2002-02-01 | Engine with novel speed regulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02114840 CN1273726C (en) | 2002-02-01 | 2002-02-01 | Engine with novel speed regulation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1363767A CN1363767A (en) | 2002-08-14 |
| CN1273726C true CN1273726C (en) | 2006-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02114840 Expired - Fee Related CN1273726C (en) | 2002-02-01 | 2002-02-01 | Engine with novel speed regulation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1273726C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425498A (en) * | 2011-12-27 | 2012-04-25 | 沪东重机有限公司 | Adjustment method of oil adjustment system of medium-speed marine diesel engine |
| CN103397968B (en) * | 2013-08-05 | 2016-04-06 | 潍柴动力股份有限公司 | A kind of diesel engine low temp. starting method and device |
| JP6233018B2 (en) * | 2013-12-27 | 2017-11-22 | 日立工機株式会社 | Engine working machine |
| CN107725200B (en) * | 2017-11-17 | 2023-11-21 | 安庆中船柴油机有限公司 | Throttle control system of engine |
| CN113898603A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Finished automobile fan control system and method |
| CN114542298A (en) * | 2021-12-08 | 2022-05-27 | 中船动力研究院有限公司 | Electric fuel rack actuator of diesel engine |
-
2002
- 2002-02-01 CN CN 02114840 patent/CN1273726C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1363767A (en) | 2002-08-14 |
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Granted publication date: 20060906 Termination date: 20190201 |
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