CN220353972U - Group starting device of gas generator - Google Patents
Group starting device of gas generator Download PDFInfo
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- CN220353972U CN220353972U CN202322134964.2U CN202322134964U CN220353972U CN 220353972 U CN220353972 U CN 220353972U CN 202322134964 U CN202322134964 U CN 202322134964U CN 220353972 U CN220353972 U CN 220353972U
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- 238000010248 power generation Methods 0.000 claims abstract description 30
- 239000007858 starting material Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 13
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a gas generator group starting device, which comprises a starting cabinet, a switching power supply, a direct current busbar, a power generation system control loop and a starter, wherein the starting cabinet is connected with the direct current busbar; the utility model relates to a power generation control system, which comprises a starting cabinet, a starter, a power generation system control circuit, a switching power supply, a power supply control circuit, a switching circuit and a control circuit.
Description
Technical Field
The utility model belongs to the technical field of gas generator sets, and particularly relates to a starting device of a gas generator set.
Background
The existing direct current system of the gas generator set adopts a mode that a battery pack and an engine drive a charger, the mode has the defects that the capacity of the battery pack is insufficient in low-temperature environment in winter, the battery pack is attenuated along with the growth of years, the engine drives the charger to easily generate mechanical faults, and maintenance is troublesome.
Therefore, a starting device for a generator group of a gas generator is needed in the art, and the problem that a charger is easy to have mechanical failure when the gas generator is powered is solved.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a starting device of a gas generator set group.
The aim of the utility model is realized by the following technical scheme:
a starting device of a gas generator set group comprises a starting cabinet, a switching power supply, a direct current busbar, a power generation system control loop and a starter; the input end of the starting cabinet and the input end of the switching power supply are electrically connected with three alternating currents, the output end of the starting cabinet is electrically connected with the input end of the starter through a direct current busbar, the power generation system control loop is in signal connection with the starter, the switching power supply comprises a PFC loop, a PWM control circuit and a switching circuit, the input end of the PWM control circuit is electrically connected with the output end of the PFC loop, the PWM control circuit is in signal connection with the switching circuit, the output end of the switching circuit is electrically connected with the input end of the power generation system control loop, the input alternating currents are converted into direct currents through the PFC loop, the PWM control loop is used for outputting adjustable PWM signals, and the PWM signals and the switching circuit are used for outputting direct current power supplies needed by electronic elements in the power generation system control loop in a cooperative mode; the switching circuit in the utility model can be a switching circuit formed by parallel connection of diodes or a switching circuit formed by contactors, and is specifically determined by the use situation, so that the circuit composition type of the switching circuit is not fixed in the utility model, so long as the related function of the utility model can be realized.
The present utility model is applied to the generator group, so that the number of the generator and the generator system control circuits should be plural, and the plural generators and the generator system control circuits should be operated in parallel.
Further, the switching power supply further comprises an electromagnetic filtering rectification circuit, the input end of the electromagnetic filtering rectification circuit is electrically connected with three alternating currents, the input end of the PFC circuit is electrically connected with the output end of the electromagnetic filtering rectification circuit, the electromagnetic filtering rectification circuit effectively reduces messy currents in the alternating currents, and the PWM control circuit obtains higher control precision while greatly improving the quality of subsequent currents.
Furthermore, the switching power supply further comprises a protection circuit, wherein the protection circuit comprises a detection circuit, an overcurrent protection circuit and an overvoltage protection circuit, and the corresponding protection circuit is additionally arranged, so that the system is safer to operate.
Furthermore, a rectifying and filtering loop for improving current quality is arranged between the switching circuit and the control loop of the power generation system, and the rectifying and filtering loop is additionally arranged at the output end, so that the current precision is further improved.
Furthermore, the detection circuit is connected with the PWM control circuit, and a light emitting diode used for warning is arranged between the detection circuit and the PWM control circuit, wherein the detection circuit can perform overvoltage detection and overcurrent detection, simultaneously samples output voltage and feeds back the output voltage to the PWM control circuit so that the PWM control circuit regulates the output PWM signal, and the purpose of continuously providing high-quality direct current power supply for electronic elements in a control loop of the power generation system is achieved.
Further, a contact switch is arranged between the direct current busbar and the starter, and the starter can be quickly powered off due to the arrangement of the contact switch, so that the starter can be conveniently overhauled and maintained.
Furthermore, a circuit breaker is further arranged between the switching power supply and the control loop of the power generation system, and when the output current is abnormal, the circuit breaker is timely disconnected, so that the control loop of the power generation system is effectively protected.
The beneficial effects of the utility model are as follows:
1) The utility model provides two direct current power supplies, namely one is used for directly supplying power to a starting cabinet, and the other is used for providing a small current direct current power supply for a power generation control system through a switch power supply, and ensuring the stability of the power generation control system through the improvement of the current quality of the small current direct current power supply, and meanwhile, the provided stable direct current power supply has the advantages of no attenuation along with high and low temperatures, wide application range and long maintenance period.
Drawings
FIG. 1 is a schematic diagram of the connection of electrical components in a starting device of the present utility model;
FIG. 2 is a schematic diagram of a prior art motor starting apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a switching power supply of the present utility model;
in the figure, a 1-starting cabinet, a 2-switching power supply, a 3-power generation system control loop and a 4-starter.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
a starting device of a gas generator set group comprises a starting cabinet 1, a switching power supply 2, a direct current busbar, a power generation system control loop 3 and a starter 4; the input end of the starting cabinet 1 and the input end of the switching power supply 2 are electrically connected with three pieces of alternating current, the output end of the starting cabinet 1 is electrically connected with the input end of the starter 4 through a direct current busbar, the power generation system control loop 3 is in signal connection with the starter 4, the switching power supply 2 comprises a PFC loop, a PWM control circuit and a switching circuit, the input end of the PWM control circuit is electrically connected with the output end of the PFC loop, the PWM control circuit is in signal connection with the switching circuit, the output end of the switching circuit is electrically connected with the input end of the power generation system control loop 3, the input alternating current is converted into direct current through the PFC loop, the PWM control loop is used for outputting an adjustable PWM signal, and the PWM signal and the switching circuit cooperate to output a direct current power supply required by electronic elements in the power generation system control loop 3; the switching power supply 2 further comprises an electromagnetic filtering rectification circuit, the input end of the electromagnetic filtering rectification circuit is electrically connected with three alternating currents, the input end of the PFC circuit is electrically connected with the output end of the electromagnetic filtering rectification circuit, the electromagnetic filtering rectification circuit effectively reduces the messy current in the alternating currents, and the PWM control circuit obtains higher control precision while greatly improving the quality of subsequent currents; a rectifying and filtering loop for improving the current quality is also arranged between the switching circuit and the power generation system control loop 3, and the rectifying and filtering loop is additionally arranged at the output end, so that the current precision is further improved;
the switching circuit in the utility model can be a switching circuit formed by parallel connection of diodes or a switching circuit formed by contactors, and is specifically determined by the use situation, so that the circuit composition type of the switching circuit is not fixed in the utility model, so long as the related function of the utility model can be realized.
The present utility model is applied to the generator group, so that the number of generators and generator system control circuits 3 should be plural, and the plural generators and generator system control circuits should be operated in parallel.
The utility model also provides a plurality of circuit protection devices, which comprise protection circuits arranged in the switching power supply 2, wherein the protection circuits comprise detection circuits, overcurrent protection circuits and overvoltage protection circuits, and corresponding protection circuits are additionally arranged, so that the system operation is safer.
The detection circuit can be connected with the PWM control circuit, a light emitting diode used for warning is arranged between the detection circuit and the PWM control circuit, the detection circuit can detect overvoltage and overcurrent and sample output voltage, and the output voltage is fed back to the PWM control circuit so that the PWM control circuit can regulate the output PWM signal, and the purpose of continuously providing high-quality direct current power supply for electronic elements in the control loop 3 of the power generation system is achieved.
For better protecting the starter 4, a contact switch is arranged between the direct current busbar and the starter 4, and the starter 4 can be quickly powered off due to the arrangement of the contact switch, so that the starter 4 is convenient to overhaul and maintain and other operations.
Similarly, a circuit breaker is arranged between the switching power supply 2 and the power generation system control loop 3, and when the output current is abnormal, the circuit breaker is timely opened, so that the power generation system control loop 3 is effectively protected.
As shown in fig. 2, the existing motor starting device directly supplies power to a control cabinet, the control cabinet controls the engine to start, the control device has the defects of insufficient capacity loss starting capability of a battery pack in a low-temperature environment in winter and attenuation of the battery pack along with the growth of years, and the engine drives a charger to easily generate mechanical faults and is troublesome to maintain;
the utility model provides two direct current power supplies, one of which is used for directly supplying power to the starting cabinet, and the other is used for providing a small current direct current power supply for the power generation control system through the switching power supply, and the stability of the power generation control system is ensured through the improvement of the current quality of the small current direct current power supply, and meanwhile, the power of the provided stable direct current power supply is not attenuated along with high and low temperatures, so that the application range is wide, and the maintenance period is long.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. A gas generator set starting apparatus, characterized in that:
the power generation system comprises a starting cabinet (1), a switching power supply (2), a direct current busbar, a power generation system control loop (3) and a starter (4);
the input end of the starting cabinet (1) and the input end of the switching power supply (2) are electrically connected with three alternating currents;
the output end of the starting cabinet (1) is electrically connected with the input end of the starter (4) through a direct current busbar;
the power generation system control loop (3) is in signal connection with the starter (4);
the switching power supply (2) comprises a PFC loop, a PWM control circuit and a switching circuit, wherein the input end of the PWM control circuit is electrically connected with the output end of the PFC loop, the PWM control circuit is in signal connection with the switching circuit, and the output end of the switching circuit is electrically connected with the input end of the power generation system control loop (3).
2. A gas generator set starting device as defined in claim 1, wherein: the switching power supply (2) further comprises an electromagnetic filtering rectification circuit, the input end of the electromagnetic filtering rectification circuit is electrically connected with three alternating currents, and the input end of the PFC circuit is electrically connected with the output end of the electromagnetic filtering rectification circuit.
3. A gas generator set starting device as defined in claim 1, wherein: the switching power supply (2) further comprises a protection circuit, and the protection circuit comprises a detection circuit, an overcurrent protection circuit and an overvoltage protection circuit.
4. A gas generator set starting device as defined in claim 1, wherein: and a rectifying and filtering loop for improving current quality is arranged between the switching circuit and the power generation system control loop (3).
5. A gas generator set starting device as defined in claim 3, wherein: the detection circuit is connected with the PWM control circuit, and a light emitting diode used for warning is arranged between the detection circuit and the PWM control circuit.
6. A gas generator set starting device as defined in claim 1, wherein: a contact switch is arranged between the direct current busbar and the starter (4).
7. A gas generator set starting device as defined in claim 1, wherein: a circuit breaker is further arranged between the switching power supply (2) and the power generation system control loop (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134964.2U CN220353972U (en) | 2023-08-09 | 2023-08-09 | Group starting device of gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134964.2U CN220353972U (en) | 2023-08-09 | 2023-08-09 | Group starting device of gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353972U true CN220353972U (en) | 2024-01-16 |
Family
ID=89477356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322134964.2U Active CN220353972U (en) | 2023-08-09 | 2023-08-09 | Group starting device of gas generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353972U (en) |
-
2023
- 2023-08-09 CN CN202322134964.2U patent/CN220353972U/en active Active
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