CN103883407B - Protection controller for small diesel generator set - Google Patents
Protection controller for small diesel generator set Download PDFInfo
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- CN103883407B CN103883407B CN201410134477.9A CN201410134477A CN103883407B CN 103883407 B CN103883407 B CN 103883407B CN 201410134477 A CN201410134477 A CN 201410134477A CN 103883407 B CN103883407 B CN 103883407B
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- 238000005070 sampling Methods 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 16
- 239000002283 diesel fuel Substances 0.000 claims description 13
- 230000001052 transient effect Effects 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 8
- 102100036285 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Human genes 0.000 claims description 6
- 101000875403 Homo sapiens 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial Proteins 0.000 claims description 6
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 claims description 3
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000010705 motor oil Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a protection controller, in particular to a protection controller for a small diesel generator set, and belongs to the technical field of diesel generator set protection. According to the technical scheme provided by the invention, the protection controller for the small diesel generator set comprises a control unit module; the input end of the control unit module is connected with a rotating speed sensor used for measuring rotating speed through a rotating speed sampling module, the input end of the control unit module is connected with an engine oil pressure sensor, a cooling water temperature sensor and an engine oil temperature sensor through an analog quantity input module, and the output end of the control unit module is connected with a display module, an output driving module and a rotating speed output control module. The invention has compact structure and convenient use, can effectively monitor the working process of the diesel generating set, and is safe and reliable.
Description
Technical field
The present invention relates to a kind of protection controller, especially a kind of minitype diesel oil engine group protection controller, belong to the technical field of diesel generating set protection.
Background technique
Diesel generating set is a kind of small power generation equipment, and referring to diesel oil etc. for fuel, take diesel engine as the dynamic power machine of prime mover drive electrical generators generating.A whole set of unit is generally made up of the parts such as diesel engine, generator, and entirety can be fixed on basis, and location uses, and also can be contained on trailer, for mobile.
Diesel engine will meet future emission level and power conservation requirement, electronic control technology must be adopted, its middle controller is the most key and important parts, diesel engine can not only be commanded to run well by controller, but also the running state of diesel engine and car load can be monitored at any time, relevant information is sent to the equipment such as instrument.Existing diesel generating set protector is difficult to the work usage requirement meeting diesel generating set.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of minitype diesel oil engine group protection controller, its compact structure, easy to use, effective monitoring can be carried out to the working procedure of diesel generating set, safe and reliable.
According to technological scheme provided by the invention, described minitype diesel oil engine group protection controller, comprises control unit module; The input end of described control unit module is connected with the speed probe for measuring rotating speed by rotating speed sampling module, the input end of control unit module is connected with oil pressure sensor, cooling water temperature sensor and oil temperature sensor by Analog input mModule, the output terminal of control unit module and display modular, exports driver module and rotating speed output control module is connected.
Described control unit module is connected with upper-position unit by RS485 communication module.: the input end of described control unit module is connected with keyboard input module, and the power end of control unit module is connected with power supply by power regulator module.
Described control unit module is connected with far module by switching input module.Described far module comprises GPRS module, 3G communication module or 4G communication module.
The output terminal of described rotating speed output control module is connected with alignment circuit; Rotating speed output control circuit comprises chip U1, and VDD1 end, the VDD2 end of described chip U1 are all connected with 5V voltage, and the VDD1 of chip U1 holds also by electric capacity C17 ground connection, and the two ends of electric capacity C17 are parallel with electric capacity C18; The GND1 end of chip U1, GND2 hold equal ground connection; The VIA end of chip U1, VIB end, VIC end are connected with 5V voltage respectively by resistance R13, resistance R14, resistance R15; The VOA end of chip U1 is held with the CS/LD of chip U2 and is connected, the VOB end of chip U1 is connected with the SCK of chip U2, the VOC end of chip U1 is held with the SDI of chip U2, and the VCC end of chip U2 is held with VCC and is connected, and the VOUT end of chip U2 is connected with the in-phase end of operational amplifier U11A;
The end of oppisite phase of operational amplifier U11A is connected with one end of one end of resistance R16 and resistance R19, the other end of resistance R16 is held with one end of one end of electric capacity C40, electric capacity C43 and the VCC of chip U1 and is connected, the other end of resistance R19 is connected with one end of the output terminal of operational amplifier U11A and resistance R17, the other end of resistance R17 is connected with one end of the end of oppisite phase of operational amplifier U11B and resistance R21, the other end of resistance R21 is connected with one end of one end of resistance R20 and inductance L 2, and the other end of resistance R20 is connected with the output terminal of operational amplifier U11B; The in-phase end of operational amplifier U11B is connected with one end of resistance R18, the other end of resistance R18 is connected rear ground connection with one end of electric capacity C45, the other end of electric capacity C45 is connected with the negative power end of operational amplifier U11B, the positive power source terminal of operational amplifier U11B is by electric capacity C39 ground connection, the other end of inductance L 2 is connected with one end of the cathode terminal of diode D31 and interface J1, and the anode tap of diode D31 is connected rear ground connection with the common port of interface J1.
Described RS485 communication module comprises chip U3, the RO end of described chip U3 is connected with resistance R5, be connected with resistance R6 after the RE end of chip U3 and the DE end of chip U3 are interconnected, the DI end of chip U3 is connected with resistance R7, the VCC end of chip U3 is connected with 5V power supply, and the VCC of chip U3 holds by electric capacity C6 ground connection; The GND of chip U3 holds ground connection, the B-end of chip U3 is connected with the cathode terminal of resistance R10, reference diode DZ1 and one end of resistance R9, the other end ground connection of resistance R10, the anode tap ground connection of reference diode DZ1, the other end of resistance R9 is connected with one end of transient supression diode D4 and one end of resistance R12, the other end ground connection of transient supression diode D4; The A+ end of chip U3 is connected with one end of one end of resistance R11, the cathode terminal of reference diode DZ2 and resistance R8, the other end ground connection of resistance R11, the anode tap ground connection of reference diode DZ2, the other end of resistance R8 is connected with one end of transient supression diode D3 and the other end of resistance R12, the other end ground connection of transient supression diode D3.
Described rotating speed sampling module comprises resistance R1, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R2 is connected with the cathode terminal of one end of resistance R3, diode D1 and the base terminal of triode Q1, the other end of resistance R3 and the equal ground connection of anode tap of diode D1, the emitter terminal ground connection of triode Q1, the collector terminal of triode Q1 is connected with 5V voltage by resistance R4, and the collector terminal of triode Q1 is by electric capacity C1 ground connection.
Described Analog input mModule comprises chip U4, the VCC end of described chip U4 is connected with 5V voltage, the X0 end of chip U4 is connected with one end of electric capacity C8 and one end of resistance R32, the other end ground connection of electric capacity C8, and the other end of resistance R32 is connected with 5V voltage by resistance R31; The X1 end of chip U4 is connected with one end of electric capacity C9 and one end of resistance R34, the other end ground connection of electric capacity C9, and the other end of resistance R34 is connected with 5V voltage by resistance R33;
The X2 end of chip U4 is connected with one end of electric capacity C10 and one end of resistance R36, the other end ground connection of electric capacity C10, and the other end of resistance R36 is connected with 5V voltage by resistance R35; The X3 end of chip U4 is connected with one end of electric capacity C11 and one end of resistance R38, the other end ground connection of electric capacity C11, and the other end of resistance R38 is connected with 5V voltage by resistance R37;
The X4 end of chip U4 is connected with one end of electric capacity C12 and one end of resistance R40, the other end ground connection of electric capacity C12, and the other end of resistance R40 is connected with 5V voltage by resistance R39; The X5 end of chip U4 is connected with one end of electric capacity C13 and one end of resistance R42, the other end ground connection of electric capacity C13, and the other end of resistance R42 is connected with 5V voltage by resistance R41;
The X6 end of chip U4 is connected with one end of electric capacity C14 and one end of resistance R44, the other end ground connection of electric capacity C14, and the other end of resistance R44 is connected with 5V voltage by resistance R43; The X7 end of chip U4 is connected with one end of electric capacity C15 and one end of resistance R46, the other end ground connection of electric capacity C15, and the other end of resistance R46 is connected with 5V voltage by resistance R45.
Advantage of the present invention: control unit module is sampled by the tach signal of rotating speed sampling module to speed probe, by Analog input mModule to oil pressure sensor, cooling-water temperature sensor, the signal of oil temperature sensor is sampled, working state when control unit module carrys out the above-mentioned work of display translation by display modular, by output driver module and rotating speed output control module, the output driving of diesel generating set and rotating speed are controlled, compact structure, easy to use, effective monitoring can be carried out to the working procedure of diesel generating set, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Fig. 2 is that rotating speed of the present invention exports the circuit theory diagrams controlled.
Fig. 3 is the circuit theory diagrams of RS485 communication module of the present invention.
Fig. 4 is the circuit theory diagrams of Analog input mModule of the present invention.
Fig. 5 is the circuit theory diagrams of rotating speed sampling module of the present invention.
Description of reference numerals: 1-control unit module, 2-rotating speed sampling module, 3-speed probe, 4-RS485 communication module, 5-upper-position unit, 6-display modular, 7-keyboard input module, 8-switching input module, 9-far module, 10-export driver module, 11-rotating speed output control module, 12-alignment circuit, 13-power regulator module, 14-oil pressure sensor, 15-cooling water temperature sensor, 16-oil temperature sensor and 17-Analog input mModule.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: in order to effective monitoring can be carried out to the working procedure of diesel generating set, the present invention includes control unit module 1; The input end of described control unit module 1 is connected with the speed probe 3 for measuring rotating speed by rotating speed sampling module 2, the input end of control unit module 1 is connected with oil pressure sensor 14, cooling water temperature sensor 15 and oil temperature sensor 16 by Analog input mModule 17, the output terminal of control unit module 1 and display modular 6, exports driver module 10 and rotating speed output control module 11 is connected.
Particularly, control unit module 1 can adopt single-chip microcomputer, and the model of concrete single-chip microcomputer is STC12C5A60S2.Control unit module 1 gathers the tach signal of speed probe 3 by rotating speed sampling module 2, and gathered the engine oil pressure, cooling water temperature, oil temperature etc. of diesel generating set by Analog input mModule 17 simultaneously, engine oil level can also be gathered, by the collection to above-mentioned running parameter, judge the working state of diesel generating set, and export above-mentioned parameter value by display modular 6, be convenient to administrative staff carry out observing and effectively managing, display modular 6 can adopt LCD or LED display.Control unit module 1 can drive diesel generating set by exporting driver module 10, and is effectively regulated by the rotating speed of rotating speed output control module 11 pairs of diesel generating sets.
Described control unit module 1 is connected with upper-position unit 5 by RS485 communication module 4.Control unit module 1 carries out communication by RS485 communication module 4 with the mode of RS485 and upper-position unit 5, and the working state by upper-position unit 5 pairs of diesel generating sets is managed concentratedly.
The input end of described control unit module 1 is connected with keyboard input module 7, and the power end of control unit module 1 is connected with power supply by power regulator module 13.Required order or content of parameter can be inputted to control unit module 1 by keyboard input module 7, the stability of power supply to control unit 1 and other circuit voltages is guaranteed by power regulator module 13, power regulator module 13 can adopt conventional structure of voltage regulation, repeat no more, power supply can provide the operating voltage of 5V and 12V needed for whole circuit herein.Described control unit module 1 is connected with far module 9 by switching input module 8.Described far module 9 comprises GPRS module, 3G communication module or 4G communication module.Far module 9 can receive remote command, and remote command is input in control unit module 1 by switching input module 8, starts or close with the work realizing whole diesel generating set.
As shown in Figure 2, the output terminal of described rotating speed output control module 11 is connected with alignment circuit 12; Rotating speed output control circuit 11 comprises chip U1, and VDD1 end, the VDD2 end of described chip U1 are all connected with 5V voltage, and the VDD1 of chip U1 holds also by electric capacity C17 ground connection, and the two ends of electric capacity C17 are parallel with electric capacity C18; The GND1 end of chip U1, GND2 hold equal ground connection; The VIA end of chip U1, VIB end, VIC end are connected with 5V voltage respectively by resistance R13, resistance R14, resistance R15; The VOA end of chip U1 is held with the CS/LD of chip U2 and is connected, the VOB end of chip U1 is connected with the SCK of chip U2, the VOC end of chip U1 is held with the SDI of chip U2, and the VCC end of chip U2 is held with VCC and is connected, and the VOUT end of chip U2 is connected with the in-phase end of operational amplifier U11A;
The end of oppisite phase of operational amplifier U11A is connected with one end of one end of resistance R16 and resistance R19, the other end of resistance R16 is held with one end of one end of electric capacity C40, electric capacity C43 and the VCC of chip U1 and is connected, the other end of resistance R19 is connected with one end of the output terminal of operational amplifier U11A and resistance R17, the other end of resistance R17 is connected with one end of the end of oppisite phase of operational amplifier U11B and resistance R21, the other end of resistance R21 is connected with one end of one end of resistance R20 and inductance L 2, and the other end of resistance R20 is connected with the output terminal of operational amplifier U11B; The in-phase end of operational amplifier U11B is connected with one end of resistance R18, the other end of resistance R18 is connected rear ground connection with one end of electric capacity C45, the other end of electric capacity C45 is connected with the negative power end of operational amplifier U11B, the positive power source terminal of operational amplifier U11B is by electric capacity C39 ground connection, the other end of inductance L 2 is connected with one end of the cathode terminal of diode D31 and interface J1, and the anode tap of diode D31 is connected rear ground connection with the common port of interface J1.
Particularly, described chip U1 chip adopts the chip of ADUM1300 type, and chip U2 is for realizing the conversion of DAC, and operational amplifier U11A and operational amplifier U11B all adopts model to be the chip of LM2904.Rotating speed output control module 11 realizes the regulable control to diesel generating set rotating speed by alignment circuit 12.In the embodiment of the present invention, be connected with control unit module 1 by interface J1.
As shown in Figure 3, described RS485 communication module 4 comprises chip U3, the RO end of described chip U3 is connected with resistance R5, be connected with resistance R6 after the RE end of chip U3 and the DE end of chip U3 are interconnected, the DI end of chip U3 is connected with resistance R7, the VCC end of chip U3 is connected with 5V power supply, and the VCC of chip U3 holds by electric capacity C6 ground connection; The GND of chip U3 holds ground connection, the B-end of chip U3 is connected with the cathode terminal of resistance R10, reference diode DZ1 and one end of resistance R9, the other end ground connection of resistance R10, the anode tap ground connection of reference diode DZ1, the other end of resistance R9 is connected with one end of transient supression diode D4 and one end of resistance R12, the other end ground connection of transient supression diode D4; The A+ end of chip U3 is connected with one end of one end of resistance R11, the cathode terminal of reference diode DZ2 and resistance R8, the other end ground connection of resistance R11, the anode tap ground connection of reference diode DZ2, the other end of resistance R8 is connected with one end of transient supression diode D3 and the other end of resistance R12, the other end ground connection of transient supression diode D3.
The RO end of chip U3 is connected with control unit module 1 by resistance R5, with the RDX signal that reception control unit module 1 exports, RE end and the DE end of chip U3 are connected with control unit module 1 by resistance R6, with reception control unit module 1 output terminal RS485 data-signal, the DI end of chip U3 is connected with control unit module 1 by resistance R7, the TXD signal exported with reception control unit module 1.Described interface J6 is connected with upper-position unit 3.
Described chip U3 adopts the chip of STC3485EXA model, chip U3 for realizing the driving of 485 signals, in the embodiment of the present invention, also comprise interface J6, described interface J6 is connected with the two ends of resistance R12 respectively, and for being connected with the RS485 interface of upper-position unit 3, upper-position unit 3 generally adopts computer.
As shown in Figure 5, described rotating speed sampling module 2 comprises resistance R1, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R2 is connected with the cathode terminal of one end of resistance R3, diode D1 and the base terminal of triode Q1, the other end of resistance R3 and the equal ground connection of anode tap of diode D1, the emitter terminal ground connection of triode Q1, the collector terminal of triode Q1 is connected with 5V voltage by resistance R4, and the collector terminal of triode Q1 is by electric capacity C1 ground connection.The collector terminal of triode Q1 is connected with the input end of control unit module 1, with to control unit module 1 input speed signal.
As shown in Figure 4, described Analog input mModule 17 comprises chip U4, and the VCC end of described chip U4 is connected with 5V voltage, and the X0 end of chip U4 is connected with one end of electric capacity C8 and one end of resistance R32, the other end ground connection of electric capacity C8, the other end of resistance R32 is connected with 5V voltage by resistance R31; The X1 end of chip U4 is connected with one end of electric capacity C9 and one end of resistance R34, the other end ground connection of electric capacity C9, and the other end of resistance R34 is connected with 5V voltage by resistance R33;
The X2 end of chip U4 is connected with one end of electric capacity C10 and one end of resistance R36, the other end ground connection of electric capacity C10, and the other end of resistance R36 is connected with 5V voltage by resistance R35; The X3 end of chip U4 is connected with one end of electric capacity C11 and one end of resistance R38, the other end ground connection of electric capacity C11, and the other end of resistance R38 is connected with 5V voltage by resistance R37;
The X4 end of chip U4 is connected with one end of electric capacity C12 and one end of resistance R40, the other end ground connection of electric capacity C12, and the other end of resistance R40 is connected with 5V voltage by resistance R39; The X5 end of chip U4 is connected with one end of electric capacity C13 and one end of resistance R42, the other end ground connection of electric capacity C13, and the other end of resistance R42 is connected with 5V voltage by resistance R41;
The X6 end of chip U4 is connected with one end of electric capacity C14 and one end of resistance R44, the other end ground connection of electric capacity C14, and the other end of resistance R44 is connected with 5V voltage by resistance R43; The X7 end of chip U4 is connected with one end of electric capacity C15 and one end of resistance R46, the other end ground connection of electric capacity C15, and the other end of resistance R46 is connected with 5V voltage by resistance R45.
In the embodiment of the present invention, chip U4 adopts the chip of 4051 models, the X0 of chip U4 holds the sampling that can be used for fuel injection pressure signal, the X1 of chip U4 may be used for the sampling to water temperature signal, the X2 of chip U4 holds the sampling that can be used for oil temperature signal, the X3 of chip U4 holds the sampling that can be used for oil level signal, and the X4 ~ X7 of chip U4 can sample to other working signals of diesel generating set as required, specifically will not enumerate.The X end of chip U4 is connected with the input end of control unit module 1 by resistance R47, and the A end of chip U4, B end, C hold and INH end is connected with the input end of control unit module 1.
Control unit module 1 of the present invention is sampled by the tach signal of rotating speed sampling module 2 pairs of speed probes 3, by Analog input mModule 17 pairs of oil pressure sensors 14, cooling-water temperature sensor 15, the signal of oil temperature sensor 16 is sampled, working state when control unit module 1 carrys out the above-mentioned work of display translation by display modular 6, controlled by the output driving and rotating speed that export driver module 10 and rotating speed output control module 11 pairs of diesel generating sets, compact structure, easy to use, effective monitoring can be carried out to the working procedure of diesel generating set, safe and reliable.
Claims (8)
1. a minitype diesel oil engine group protection controller, comprises control unit module (1); It is characterized in that: the input end of described control unit module (1) is connected with the speed probe (3) for measuring rotating speed by rotating speed sampling module (2), the input end of control unit module (1) is connected with oil pressure sensor (14), cooling water temperature sensor (15) and oil temperature sensor (16) by Analog input mModule (17), the output terminal of control unit module (1) and display modular (6), exports driver module (10) and rotating speed output control module (11) is connected;
Described rotating speed sampling module (2) comprises resistance R1, one end of resistance R1 is connected with one end of resistance R2, the other end of resistance R2 is connected with the cathode terminal of one end of resistance R3, diode D1 and the base terminal of triode Q1, the other end of resistance R3 and the equal ground connection of anode tap of diode D1, the emitter terminal ground connection of triode Q1, the collector terminal of triode Q1 is connected with 5V voltage by resistance R4, and the collector terminal of triode Q1 is by electric capacity C1 ground connection.
2. minitype diesel oil engine group protection controller according to claim 1, is characterized in that: described control unit module (1) is connected with upper-position unit (5) by RS485 communication module (4).
3. minitype diesel oil engine group protection controller according to claim 1; it is characterized in that: the input end of described control unit module (1) is connected with keyboard input module (7), the power end of control unit module (1) is connected with power supply by power regulator module (13).
4. minitype diesel oil engine group protection controller according to claim 1, is characterized in that: described control unit module (1) is connected with far module (9) by switching input module (8).
5. minitype diesel oil engine group protection controller according to claim 4, is characterized in that: described far module (9) comprises GPRS module, 3G communication module or 4G communication module.
6. minitype diesel oil engine group protection controller according to claim 1, is characterized in that: the output terminal of described rotating speed output control module (11) is connected with alignment circuit (12); Rotating speed output control module (11) comprises chip U1, and VDD1 end, the VDD2 end of described chip U1 are all connected with 5V voltage, and the VDD1 of chip U1 holds also by electric capacity C17 ground connection, and the two ends of electric capacity C17 are parallel with electric capacity C18; The GND1 end of chip U1, GND2 hold equal ground connection; The VIA end of chip U1, VIB end, VIC end are connected with 5V voltage respectively by resistance R13, resistance R14, resistance R15; The VOA end of chip U1 is held with the CS/LD of chip U2 and is connected, the VOB end of chip U1 is connected with the SCK of chip U2, the VOC end of chip U1 is held with the SDI of chip U2, and the VCC end of chip U2 is held with VCC and is connected, and the VOUT end of chip U2 is connected with the in-phase end of operational amplifier U11A;
The end of oppisite phase of operational amplifier U11A is connected with one end of one end of resistance R16 and resistance R19, the other end of resistance R16 is held with one end of one end of electric capacity C40, electric capacity C43 and the VCC of chip U1 and is connected, the other end of resistance R19 is connected with one end of the output terminal of operational amplifier U11A and resistance R17, the other end of resistance R17 is connected with one end of the end of oppisite phase of operational amplifier U11B and resistance R21, the other end of resistance R21 is connected with one end of one end of resistance R20 and inductance L 2, and the other end of resistance R20 is connected with the output terminal of operational amplifier U11B; The in-phase end of operational amplifier U11B is connected with one end of resistance R18, the other end of resistance R18 is connected rear ground connection with one end of electric capacity C45, the other end of electric capacity C45 is connected with the negative power end of operational amplifier U11B, the positive power source terminal of operational amplifier U11B is by electric capacity C39 ground connection, the other end of inductance L 2 is connected with one end of the cathode terminal of diode D31 and interface J1, and the anode tap of diode D31 is connected rear ground connection with the common port of interface J1.
7. minitype diesel oil engine group protection controller according to claim 2, it is characterized in that: described RS485 communication module (4) comprises chip U3, the RO end of described chip U3 is connected with resistance R5, be connected with resistance R6 after the RE end of chip U3 and the DE end of chip U3 are interconnected, the DI end of chip U3 is connected with resistance R7, the VCC end of chip U3 is connected with 5V power supply, and the VCC of chip U3 holds by electric capacity C6 ground connection; The GND of chip U3 holds ground connection, the B-end of chip U3 is connected with the cathode terminal of resistance R10, reference diode DZ1 and one end of resistance R9, the other end ground connection of resistance R10, the anode tap ground connection of reference diode DZ1, the other end of resistance R9 is connected with one end of transient supression diode D4 and one end of resistance R12, the other end ground connection of transient supression diode D4; The A+ end of chip U3 is connected with one end of one end of resistance R11, the cathode terminal of reference diode DZ2 and resistance R8, the other end ground connection of resistance R11, the anode tap ground connection of reference diode DZ2, the other end of resistance R8 is connected with one end of transient supression diode D3 and the other end of resistance R12, the other end ground connection of transient supression diode D3.
8. minitype diesel oil engine group protection controller according to claim 1, it is characterized in that: described Analog input mModule (17) comprises chip U4, the VCC end of described chip U4 is connected with 5V voltage, the X0 end of chip U4 is connected with one end of electric capacity C8 and one end of resistance R32, the other end ground connection of electric capacity C8, the other end of resistance R32 is connected with 5V voltage by resistance R31; The X1 end of chip U4 is connected with one end of electric capacity C9 and one end of resistance R34, the other end ground connection of electric capacity C9, and the other end of resistance R34 is connected with 5V voltage by resistance R33;
The X2 end of chip U4 is connected with one end of electric capacity C10 and one end of resistance R36, the other end ground connection of electric capacity C10, and the other end of resistance R36 is connected with 5V voltage by resistance R35; The X3 end of chip U4 is connected with one end of electric capacity C11 and one end of resistance R38, the other end ground connection of electric capacity C11, and the other end of resistance R38 is connected with 5V voltage by resistance R37;
The X4 end of chip U4 is connected with one end of electric capacity C12 and one end of resistance R40, the other end ground connection of electric capacity C12, and the other end of resistance R40 is connected with 5V voltage by resistance R39; The X5 end of chip U4 is connected with one end of electric capacity C13 and one end of resistance R42, the other end ground connection of electric capacity C13, and the other end of resistance R42 is connected with 5V voltage by resistance R41;
The X6 end of chip U4 is connected with one end of electric capacity C14 and one end of resistance R44, the other end ground connection of electric capacity C14, and the other end of resistance R44 is connected with 5V voltage by resistance R43; The X7 end of chip U4 is connected with one end of electric capacity C15 and one end of resistance R46, the other end ground connection of electric capacity C15, and the other end of resistance R46 is connected with 5V voltage by resistance R45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410134477.9A CN103883407B (en) | 2014-04-03 | 2014-04-03 | Protection controller for small diesel generator set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410134477.9A CN103883407B (en) | 2014-04-03 | 2014-04-03 | Protection controller for small diesel generator set |
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| CN103883407A CN103883407A (en) | 2014-06-25 |
| CN103883407B true CN103883407B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080315687A1 (en) * | 2007-06-22 | 2008-12-25 | Green Shelter Innovations Limited | Power conditioning unit |
| CN201794665U (en) * | 2010-07-20 | 2011-04-13 | 浙江中高动力科技股份有限公司 | Remote monitoring system for diesel generator set |
| CN202140182U (en) * | 2011-07-19 | 2012-02-08 | 广州威能机电有限公司 | Automatic controller for diesel power generation set |
| CN102418599A (en) * | 2011-11-02 | 2012-04-18 | 无锡亚杰特柴油发电机组制造有限公司 | Automatic controller for diesel generator set |
| CN203394644U (en) * | 2013-07-18 | 2014-01-15 | 郑州众智科技股份有限公司 | Diesel generator set controlling device |
| CN203835548U (en) * | 2014-04-03 | 2014-09-17 | 无锡硕卓电气科技有限公司 | Protection controller for small diesel generator set |
-
2014
- 2014-04-03 CN CN201410134477.9A patent/CN103883407B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103883407A (en) | 2014-06-25 |
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