CN111490478A - Standard machine box type intelligent comprehensive power distribution structure - Google Patents
Standard machine box type intelligent comprehensive power distribution structure Download PDFInfo
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- CN111490478A CN111490478A CN202010089267.8A CN202010089267A CN111490478A CN 111490478 A CN111490478 A CN 111490478A CN 202010089267 A CN202010089267 A CN 202010089267A CN 111490478 A CN111490478 A CN 111490478A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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Abstract
The invention discloses a standard chassis type intelligent comprehensive power distribution structure. A 380VAC motor soft start drive is arranged in the box body and comprises a motor start-stop switch, the motor start-stop switch is connected with one of the input ends of the control module, and two of the output ends of the control module are respectively connected with the signal input ends of the phase-shifting trigger controller I and the three-phase contactor I; the strong current input end of the three-phase contactor I is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor I is connected with the output interface of the motor AC 380V; a bidirectional thyristor I is connected in parallel between the strong current input end and the strong current output end of the three-phase contactor I; the strong current input end of the phase-shifting trigger controller I is connected with a 380VAC power supply through a synchronous transformer, and the signal output end of the phase-shifting trigger controller I is connected with the signal input end of the bidirectional controllable silicon I. The invention has the characteristics of high integration level, reasonable layout, strong stability and good safety.
Description
Technical Field
The invention relates to the field of alternating current and direct current distribution boxes, in particular to a standard cabinet type intelligent comprehensive distribution structure.
Background
Vehicle-mounted power distribution is an important component in electronic or electrical systems such as armored vehicles, launch vehicles and mobile power supplies, and whether the vehicle-mounted power distribution can work safely and reliably and the maintenance and replacement speed is related to the running stability of the whole system. Therefore, fault self-protection, personal safety protection, load priority cluster control and the like of vehicle-mounted power distribution are necessary. But some block terminals are often because the rationality problem of design and overall arrangement causes block terminal job stabilization nature relatively poor at present, and it is unfavorable for the circumstances such as maintenance change.
Disclosure of Invention
The invention aims to provide a standard chassis type intelligent comprehensive power distribution structure. The invention integrates the functions of priority control, cluster power distribution management, phase sequence monitoring and conversion, power distribution interlocking, soft start output, fault protection and the like, and has the characteristics of high integration level, reasonable layout, strong stability and good safety.
The technical scheme of the invention is as follows: a standard chassis type intelligent comprehensive power distribution structure comprises a box body, wherein a 380VAC motor soft start drive is arranged in the box body, the 380VAC motor soft start drive comprises a motor start-stop switch, the motor start-stop switch is connected with one of input ends of a control module, and two of output ends of the control module are respectively connected with signal input ends of a phase-shifting trigger controller I and a three-phase contactor I; the strong current input end of the three-phase contactor I is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor I is connected with the output interface of the motor AC 380V; a bidirectional thyristor I is connected in parallel between the strong current input end and the strong current output end of the three-phase contactor I; the strong current input end of the phase-shifting trigger controller I is connected with a 380VAC power supply through a synchronous transformer, and the signal output end of the phase-shifting trigger controller I is connected with the signal input end of the bidirectional controllable silicon I.
In the standard machine box type intelligent comprehensive power distribution structure, a 380VAC air conditioner soft start drive is further arranged in the box body, the 380VAC air conditioner soft start drive comprises an air conditioner start-stop switch, the air conditioner start-stop switch is connected with one of the input ends of the control module, and two of the output ends of the control module are respectively connected with the signal input ends of the phase-shift trigger controller II and the three-phase contactor II; the strong current input end of the three-phase contactor II is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor II is connected with an output interface of an air conditioner AC 380V; and the signal output end of the phase-shifting trigger controller II is connected with the signal input end of the bidirectional controllable silicon II, and the strong-current output end of the bidirectional controllable silicon II is connected with the output interface of the air conditioner AC 380V.
In the standard machine box type intelligent comprehensive power distribution structure, a 220VAC motor heating control output is further arranged in the box body, the 220VAC motor heating control output comprises a motor heating start-stop switch, the motor heating start-stop switch is connected with one of the input ends of the control module, and one of the output ends of the control module is connected with the signal input end of the contactor I; the strong electricity input end of contactor I is connected with the U of three-phase alternating current, and the strong electricity output end of contactor I is connected with motor heating AC220V output interface.
In the standard machine box type intelligent comprehensive power distribution structure, a 220VAC illumination control output is further arranged in the box body, the 220VAC illumination control output comprises an illumination start-stop switch, the illumination start-stop switch is connected with one of the input ends of the control module, and one of the output ends of the control module is connected with the signal input end of the contactor ii; and a strong-current input end of the contactor II is connected with a U of three-phase alternating current, and a strong-current output end of the contactor II is connected with an output interface of the lighting AC 220V.
In the standard machine box type intelligent comprehensive power distribution structure, a 24VDC box control power control output is further arranged in the box body, the 24VDC box control power control output comprises a box control power on-off switch, the box control power on-off switch is connected with one of input ends of a control module, and one of output ends of the control module is connected with a signal input end of a high-voltage direct-current contactor I; the DC power input end of the high-voltage direct current contactor I is connected with a 24VDC power supply, and the DC power output end of the high-voltage direct current contactor I is connected with the box control DC24V output interface.
In the standard machine box type intelligent comprehensive power distribution structure, a 24VDC hydraulic control box power control output is further arranged in the box body, the 24VDC hydraulic control box power control output comprises a hydraulic control box power on-off switch, the hydraulic control box power on-off switch is connected with one of input ends of a control module, and one of output ends of the control module is connected with a signal input end of a high-voltage direct-current contactor II; and the DC power supply input end of the high-voltage direct current contactor II is connected with a 24VDC power supply, and the DC power supply output end of the high-voltage direct current contactor I is connected with the output interface of the hydraulic control box DC 24V.
In the aforementioned box intelligent integrated power distribution structure of standard machine, 380VAC motor soft start drive, 380VAC air conditioner soft start drive, 220VAC motor heating control output, carry out interlocking distribution through control module when starting, start priority from high to low is in order: the heating control output of the 220VAC motor is more than 380VAC motor soft start drive and is more than 380VAC air conditioner soft start drive; the 24VDC box-controlled power supply control output and 380VAC air conditioner soft start drive are interlocked for power distribution through the control module during starting, and the starting priority is as follows: the control output of the 24VDC box control power supply is more than 380VAC air conditioner soft start drive.
In the standard machine box type intelligent comprehensive power distribution structure, a phase sequence detection conversion circuit is further arranged in the box body, and the phase sequence detection conversion circuit is composed of a phase controller, a three-phase contactor III and a three-phase contactor IV; when the phase sequence of the three-phase alternating current is normal, the phase controller acts, a U-phase power supply supplies power to a coil of a three-phase contactor III through a normally closed auxiliary contact of a three-phase contactor IV, and a main contact of the three-phase contactor III is closed, so that the alternating current is output according to the normal phase sequence; when any reverse connection abnormality occurs in the phase sequence of the three-phase alternating current, the phase controller releases, the U-phase power supply supplies power to the coil of the three-phase contactor IV through the normally closed auxiliary contact of the three-phase contactor III, and the main contact of the three-phase contactor IV is closed, so that the alternating current is output according to the normal phase sequence.
In the box-type intelligent comprehensive power distribution structure of the standard machine, a load overcurrent protection circuit is further arranged in the box body and comprises a current transformer for collecting a real-time mutual inductance current signal of a load end, the current transformer is connected with an effective value conversion module, the effective value conversion module is connected with an operational amplifier, and a load overcurrent output signal obtained after the processing of the operational amplifier is transmitted to a control module.
In the standard machine box type intelligent comprehensive power distribution structure, a support plate is arranged in the box body in the vertical direction; a three-phase contact module formed by arranging three-phase contactors I, II, III and IV is arranged on a bottom plate of the box body, a phase controller is arranged beside the three-phase contact module, a binding post for wiring is arranged in front of the three-phase contact module, and a high-voltage direct-current contact module formed by arranging high-voltage direct-current contactors I and II is arranged beside the binding post; a bidirectional thyristor module formed by arranging bidirectional thyristors I and II is arranged on the front surface of the supporting plate, and a synchronous transformer is arranged beside the bidirectional thyristor module; the back of the supporting plate is also provided with a control module, and two sides of the control module are respectively provided with a phase-shifting trigger controller I and a phase-shifting trigger controller II.
Has the advantages that: compared with the prior art, the 380VAC motor soft start drive and the 380VAC air conditioner soft start drive both adopt a structure of complementary cooperative control of a bidirectional thyristor and a three-phase contactor: when the soft start is performed, the phase-shift trigger controller is adopted to control the voltage regulation output of the bidirectional thyristor, and after the soft start is completed, the three-phase contactor is controlled by the control module to bypass the bidirectional thyristor, so that the arc-free switching of the three-phase contactor and the temperature rise control of a product are realized, and the stability and the safety of power distribution are improved.
The power distribution structure realizes the interlocking power distribution of 220VAC motor heating control output, 380VAC motor soft start drive and 380VAC air conditioner soft start drive through the control of the control module, and realizes the power distribution of three paths of load output according to the priority sequence through interlocking.
The invention is also provided with a phase sequence detection conversion circuit, and the circuit structure can ensure that the motor steering is unchanged when the phase sequence of the power supply is connected in a wrong way, ensure that the motor runs under the normal working condition and improve the reliability of power distribution.
When the load end is overloaded, the real-time mutual inductance current signal of the load end at the overload position is converted into a load overcurrent output signal after being processed by the load overcurrent protection circuit, and the signal is transmitted to the control module, and the control module can cut off corresponding output according to the signal to protect the whole power distribution system; this structure has improved the distribution security. In addition, the load overcurrent protection circuit structure adopts an effective value judgment mode, so that frequent false alarms and false actions of the protection device caused by spike pulse interference can be avoided, and the reliability of power distribution is improved.
According to the invention, the supporting plate is arranged in the distribution box body, so that components in the box body form a layered layout structure; meanwhile, weak current components such as bidirectional thyristors and control modules are arranged on the supporting plate, and strong current components such as a three-phase contactor and a phase controller are arranged on the bottom plate, so that the strong current components and the weak current components are separated, and the mutual interference of the strong current components and the weak current components during working is avoided; in addition, thermosensitive components such as a control module and the like are independently arranged on the back of the supporting plate so as to realize the isolation of a heat source and the thermosensitive components; in addition, the invention installs the contactors (three-phase contactor and high voltage direct current contactor) which have large mass and are sensitive to the impact vibration direction at the bottom plate position, and avoids the mechanical action direction and the sensitive direction; light-weight, easily-damaged consumables, a control module and the like are arranged on the support plate and the side plate of the box body, so that the replacement and the signal test are convenient; in conclusion, the invention has reasonable layout and compact structure, is convenient for step-by-step electric fitting debugging and overhauling, reduces the processing difficulty and cost of parts and improves the dismounting efficiency; in the practical use process, the box body of the distribution box is a 19-inch standard box.
The invention carries out layout on components through modular design, and is more convenient for later maintenance and management.
The invention integrates six paths of power output of 380VAC motor soft start drive, 380VAC air conditioner soft start drive, 220VAC motor heating control output, 220VAC lighting control output, 24VDC box controlled power supply control output and 24VDC liquid control box power supply control output, can meet the use of electronic or electric systems of various armored vehicles, launching vehicles, mobile power supplies and the like, and has wide application range.
In conclusion, the invention integrates the functions of priority control, cluster power distribution management, phase sequence monitoring and conversion, power distribution interlocking, soft start output, fault protection and the like, and has the characteristics of high integration level, reasonable layout, strong stability and good safety.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic top view of the present invention with the top panel removed;
FIG. 3 is a back layout view of the support plate;
FIG. 4 is a layout view of the bottom plate of the case;
FIG. 5 is a layout view of a cabinet panel;
FIG. 6 is a layout view of a back plate of the case;
FIG. 7 is an inside layout view of one of the side panels of the case;
FIG. 8 is a schematic diagram of a phase sequence detection and conversion circuit;
FIG. 9 is a schematic diagram of a load over-current protection circuit;
fig. 10 is a pin connection diagram of the control module.
The labels in the figures are: the system comprises a box body 1, a support plate 2, a three-phase contact module 3, a phase controller 4, a binding post 5, a high-voltage direct current contact module 6, a bidirectional thyristor module 7, a synchronous transformer 8, a control module 9, a phase-shifting trigger controller I10, a phase-shifting trigger controller II 11, an AC-DC power supply module 12, a start-stop module 13, an idle start module 14, an emergency stop switch 15, a state indicator lamp 16, a sensor module 17, a fuse module 18 and an output interface module 19.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example 1. A standard chassis type intelligent comprehensive power distribution structure is shown in figures 1-10 and comprises a box body 1, a 380VAC motor soft start drive is arranged in the box body 1, the 380VAC motor soft start drive comprises a motor start-stop switch, the motor start-stop switch is connected with one of input ends of a control module 9, and two of output ends of the control module 9 are respectively connected with signal input ends of a phase-shifting trigger controller I10 and a three-phase contactor I; the strong current input end of the three-phase contactor I is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor I is connected with the output interface of the motor AC 380V; a bidirectional thyristor I is connected in parallel between the strong current input end and the strong current output end of the three-phase contactor I; the strong current input end of the phase-shifting trigger controller I10 is connected with a 380VAC power supply through a synchronous transformer 8, and the signal output end of the phase-shifting trigger controller I10 is connected with the signal input end of the bidirectional thyristor I.
The work of 380VAC motor soft start drive specifically is, and I complementary cooperative control of bidirectional thyristor adopts phase shift trigger controller I10 control bidirectional thyristor's pressure regulating output when soft start, after soft start, controls I bypass of bidirectional thyristor through control module 9 control three-phase contactor I, realizes the no arc of three-phase contactor I and switches and the temperature rise control of circuit.
The pin and circuit connection structure of the control module 9 of the present invention can be seen in fig. 10.
The 380VAC power supply of the invention adopts the AC-DC power supply module 12 fixed on the side plate of the box body 1 to supply power, and the following 220VAC and 24VDC power supplies are also the same.
A 380VAC air conditioner soft start drive is further arranged in the box body 1, the 380VAC air conditioner soft start drive comprises an air conditioner start-stop switch, the air conditioner start-stop switch is connected with one of the input ends of the control module 9, and two of the output ends of the control module 9 are respectively connected with the phase-shift trigger controller II 11 and the signal input end of the three-phase contactor II; the strong current input end of the three-phase contactor II is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor II is connected with an output interface of an air conditioner AC 380V; and the signal output end of the phase-shifting trigger controller II 11 is connected with the signal input end of the bidirectional thyristor II, and the strong-current output end of the bidirectional thyristor II is connected with the output interface of the air conditioner AC 380V.
The operation mode of the 380VAC air conditioner soft start drive is similar to that of the 380VAC motor soft start drive.
A 220VAC motor heating control output is also arranged in the box body 1, the 220VAC motor heating control output comprises a motor heating start-stop switch, the motor heating start-stop switch is connected with one of the input ends of the control module 9, and one of the output ends of the control module 9 is connected with the signal input end of the contactor I; the strong electricity input end of contactor I is connected with the U of three-phase alternating current, and the strong electricity output end of contactor I is connected with motor heating AC220V output interface. The 220VAC motor heating control output is used for preventing the motor from condensing and influencing normal work.
The box body 1 is also internally provided with a 220VAC illumination control output, the 220VAC illumination control output comprises an illumination start-stop switch, the illumination start-stop switch is connected with one of the input ends of the control module 9, and one of the output ends of the control module 9 is connected with the signal input end of the contactor II; and a strong-current input end of the contactor II is connected with a U of three-phase alternating current, and a strong-current output end of the contactor II is connected with an output interface of the lighting AC 220V.
The 24VDC box-control power supply control output is also arranged in the box body 1, the 24VDC box-control power supply control output comprises a box-control power supply start-stop switch, the box-control power supply start-stop switch is connected with one of the input ends of the control module 9, and one of the output ends of the control module 9 is connected with the signal input end of the high-voltage direct-current contactor I; the DC power input end of the high-voltage direct current contactor I is connected with a 24VDC power supply, and the DC power output end of the high-voltage direct current contactor I is connected with the box control DC24V output interface. The 24VDC box control power supply control output is used for supplying power to the box control part, such as the control module 9, the status indicator lamp 16 and the like.
The 24VDC hydraulic control box power supply control output is also arranged in the box body 1, the 24VDC hydraulic control box power supply control output comprises a hydraulic control box power supply start-stop switch, the hydraulic control box power supply start-stop switch is connected with one of the input ends of the control module 9, and one of the output ends of the control module 9 is connected with the signal input end of the high-voltage direct-current contactor II; and the DC power supply input end of the high-voltage direct current contactor II is connected with a 24VDC power supply, and the DC power supply output end of the high-voltage direct current contactor I is connected with the output interface of the hydraulic control box DC 24V. And the 24VDC hydraulic control box power supply control output is used for supplying power to the hydraulic control box.
The soft drive of the aforesaid 380VAC motor, the soft drive of starting of 380VAC air conditioner, 220VAC motor heating control output carry out interlocking distribution through control module 9 when starting, start priority from high to low order is: the heating control output of the 220VAC motor is more than 380VAC motor soft start drive and the air conditioner soft start drive is more than 380 VAC.
The interlocking power distribution is as follows: if a motor starting signal is received firstly in the operation process, and then the air conditioner power-on button is pressed, the control module 9 judges that the signal is invalid, the air conditioner is not powered on, if the power needs to be supplied to the air conditioner, the motor needs to be disconnected through the button to supply power to the air conditioner, and vice versa. When there is a simultaneous start demand, the control module 9 starts the corresponding power distribution output in the priority order. In the invention, the priority of the starting of the motor is the highest, the priority of the starting of the air conditioner is the second, the priority of the heating of the motor is the third, and the priorities of the rest box control, hydraulic pressure and illumination are the same and are all 4. The motor is interlocked with the air conditioner and the heating, and the interlocking relationship is as follows: when the motor is started, the air conditioner and the motor are turned off to heat, and the air conditioner or the motor can be started or heated only when the motor is stopped; the motor heating is interlocked with the motor operation, and the motor is required to be in a stop state when the motor is heated. The priorities are shown in Table 1.
TABLE 1 priority order
A phase sequence detection conversion circuit is also arranged in the box body 1 and consists of a phase controller 4, a three-phase contactor III and a three-phase contactor IV; when the phase sequence of the three-phase alternating current is normal, the phase controller 4 acts, a U-phase power supply supplies power to a coil of a three-phase contactor III through a normally closed auxiliary contact of a three-phase contactor IV, and a main contact of the three-phase contactor III is closed, so that the alternating current is output according to the normal phase sequence; when any reverse connection abnormality occurs in the phase sequence of the three-phase alternating current, the phase controller 4 is released, the U-phase power supply supplies power to the coil of the three-phase contactor IV through the normally closed auxiliary contact of the three-phase contactor III, and the main contact of the three-phase contactor IV is closed, so that the alternating current is output according to the normal phase sequence. Specifically, the phase sequence detection conversion circuit is shown in fig. 8. In the figure, the phase sequence controller J1 is matched with two three-phase contactors KM1 and KM2 (namely three-phase contactors III and IV), when the phase sequence is normal, the J1 phase controller acts, pins 11 and 14 of J1 are switched on, a U-phase power supply supplies power to a KM1 coil through a normally closed auxiliary contact of KM2, a KM1 main contact is closed, and the phase sequences of three-phase power output ends U ', V ' and W ' are U, V, W respectively; when any two phases of the input end U, V, W are connected reversely, the phase controller J1 is released, the 11 pin and the 12 pin of the J1 are connected, the U-phase power supply supplies power for the KM2 coil through the normally closed auxiliary contact of the KM1, the KM2 main contact is closed, the phase sequence of the three-phase power output ends U ', V ' and W ' is adjusted simultaneously, the phase sequence is changed to W, V, U, the motor steering is kept unchanged, and the J1 phase controller can select RM22TG20 of the Schneider company.
The box body 1 is also internally provided with a load overcurrent protection circuit, the load overcurrent protection circuit comprises a current transformer for acquiring a real-time mutual inductance current signal of a load end, the current transformer is connected with an effective value conversion module, the effective value conversion module is connected with an operational amplifier, and a load overcurrent output signal obtained after the processing of the operational amplifier is transmitted to the control module 9. specifically, the load overcurrent protection circuit refers to fig. 9. in the figure, the current transformer acquires the real-time mutual inductance current signal of the load end, the real-time mutual inductance current signal is processed by the effective value conversion module formed by an AD8436 and then is compared with a reference point of a comparison circuit formed by the operational amplifier L M124J, if the current signal is at an overcurrent high level, the overcurrent signal is transmitted to the control module 9 in the main control circuit, and the control module 9 immediately cuts.
The aforementioned 24VDC box-controlled power control output and 380VAC air conditioner soft start drive, when starting, carry out interlocking distribution through control module 9, and the priority of starting is: the control output of the 24VDC box control power supply is more than 380VAC air conditioner soft start drive.
A support plate 2 is arranged in the box body 1 in the vertical direction; a three-phase contact module 3 formed by arranging three-phase contactors I, II, III and IV is arranged on a bottom plate of the box body 1, a phase controller 4 is arranged beside the three-phase contact module 3, a wiring terminal 5 for wiring is arranged in front of the three-phase contact module 3, and a high-voltage direct current contact module 6 formed by arranging high-voltage direct current contactors I and II is arranged beside the wiring terminal 5; a bidirectional thyristor module 7 formed by arranging bidirectional thyristors I and II is arranged on the front surface of the supporting plate 2, and a synchronous transformer 8 is arranged beside the bidirectional thyristor module 7; the back of the supporting plate 2 is also provided with a control module 9, and two sides of the control module 9 are respectively provided with a phase-shifting trigger controller I10 and a phase-shifting trigger controller II 11.
In the invention, the start-stop switch of each output (namely the six power outputs) is composed of a start button and a stop button, the start-stop switch is integrated on the panel of the box body 1 to form a start-stop module 13, and the panel is also integrated with an idle-open module 14 composed of automatic circuit breakers of each output and used for automatically breaking a loop in overload; in addition, an emergency stop switch 15 and a status indicator light 16 are integrated on the panel, the emergency stop switch 15 is used for emergency power off, and the status indicator light 16 is used for displaying the status of each output; a sensor module 17 and a fuse module 18 are sequentially arranged behind the bidirectional thyristor module 7 on the supporting plate 2; the two modules can be connected into a circuit according to actual requirements, the sensor module 17 is used for collecting state signals output by each path, and the fuse module 18 is used for realizing overload fusing and protecting a circuit structure. The output interface module 19 is formed by arranging an output interface module 19 consisting of a motor AC380V output interface, an AC380V output interface, a motor heating AC220V output interface, a lighting AC220V output interface, a box control DC24V output interface and a liquid control box DC24V output interface, and the output interface module 19 is arranged on a back plate of the box body 1.
Claims (10)
1. The utility model provides a distribution structure is synthesized to standard machine case formula intelligence which characterized in that: the power supply device comprises a box body (1), wherein a 380VAC motor soft start drive is arranged in the box body (1), the 380VAC motor soft start drive comprises a motor start-stop switch, the motor start-stop switch is connected with one of input ends of a control module (9), and two of output ends of the control module (9) are respectively connected with signal input ends of a phase-shifting trigger controller I (10) and a three-phase contactor I; the strong current input end of the three-phase contactor I is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor I is connected with the output interface of the motor AC 380V; a bidirectional thyristor I is connected in parallel between the strong current input end and the strong current output end of the three-phase contactor I; the strong current input end of the phase-shifting trigger controller I (10) is connected with a 380VAC power supply through a synchronous transformer (8), and the signal output end of the phase-shifting trigger controller I (10) is connected with the signal input end of the bidirectional thyristor I.
2. The standard rack-type intelligent integrated power distribution structure of claim 1, wherein: a 380VAC air conditioner soft start drive is further arranged in the box body (1), the 380VAC air conditioner soft start drive comprises an air conditioner start-stop switch, the air conditioner start-stop switch is connected with one of the input ends of the control module (9), and two of the output ends of the control module (9) are respectively connected with the phase-shift trigger controller II (11) and the signal input end of the three-phase contactor II; the strong current input end of the three-phase contactor II is connected with a 380VAC power supply, and the strong current output end of the three-phase contactor II is connected with an output interface of an air conditioner AC 380V; and the signal output end of the phase-shifting trigger controller II (11) is connected with the signal input end of the bidirectional thyristor II, and the strong-current output end of the bidirectional thyristor II is connected with the output interface of the air conditioner AC 380V.
3. The standard chassis-type intelligent integrated power distribution structure of claim 2, wherein: the box body (1) is also internally provided with a 220VAC motor heating control output, the 220VAC motor heating control output comprises a motor heating start-stop switch, the motor heating start-stop switch is connected with one of the input ends of the control module (9), and one of the output ends of the control module (9) is connected with the signal input end of the contactor I; the strong electricity input end of contactor I is connected with the U of three-phase alternating current, and the strong electricity output end of contactor I is connected with motor heating AC220V output interface.
4. The standard chassis-type intelligent integrated power distribution structure of claim 3, wherein: the box body (1) is also internally provided with a 220VAC illumination control output, the 220VAC illumination control output comprises an illumination start-stop switch, the illumination start-stop switch is connected with one of the input ends of the control module (9), and one of the output ends of the control module (9) is connected with the signal input end of the contactor II; and a strong-current input end of the contactor II is connected with a U of three-phase alternating current, and a strong-current output end of the contactor II is connected with an output interface of the lighting AC 220V.
5. The standard rack-type intelligent integrated power distribution structure of claim 4, wherein: the box body (1) is also internally provided with a 24VDC box control power supply control output, the 24VDC box control power supply control output comprises a box control power supply start-stop switch, the box control power supply start-stop switch is connected with one of the input ends of the control module (9), and one of the output ends of the control module (9) is connected with the signal input end of the high-voltage direct-current contactor I; the DC power input end of the high-voltage direct current contactor I is connected with a 24VDC power supply, and the DC power output end of the high-voltage direct current contactor I is connected with the box control DC24V output interface.
6. The standard rack-type intelligent integrated power distribution structure of claim 5, wherein: the power supply control output of the 24VDC hydraulic control box is also arranged in the box body (1), the power supply control output of the 24VDC hydraulic control box comprises a power supply start-stop switch of the hydraulic control box, the power supply start-stop switch of the hydraulic control box is connected with one of the input ends of the control module (9), and one of the output ends of the control module (9) is connected with the signal input end of the high-voltage direct-current contactor II; and the DC power supply input end of the high-voltage direct current contactor II is connected with a 24VDC power supply, and the DC power supply output end of the high-voltage direct current contactor I is connected with the output interface of the hydraulic control box DC 24V.
7. The standard chassis-type intelligent integrated power distribution structure of claim 3, wherein: 380VAC motor soft start drive, 380VAC air conditioner soft start drive, 220VAC motor heating control output, carry out interlocking distribution through control module (9) when starting, start priority from high to low order is: the heating control output of the 220VAC motor is more than 380VAC motor soft start drive and is more than 380VAC air conditioner soft start drive; the 24VDC box-controlled power supply control output and 380VAC air conditioner soft start drive are interlocked for power distribution through the control module (9) during starting, and the starting priority is as follows: the control output of the 24VDC box control power supply is more than 380VAC air conditioner soft start drive.
8. The standard rack-type intelligent integrated power distribution structure of claim 4, wherein: the box body (1) is also internally provided with a phase sequence detection conversion circuit, and the phase sequence detection conversion circuit consists of a phase sequence controller (4), a three-phase contactor III and a three-phase contactor IV; when the phase sequence of the three-phase alternating current is normal, the phase controller (4) acts, a U-phase power supply supplies power to a coil of a three-phase contactor III through a normally closed auxiliary contact of a three-phase contactor IV, and a main contact of the three-phase contactor III is closed, so that the alternating current is output according to the normal phase sequence; when any reverse connection abnormality occurs in the phase sequence of the three-phase alternating current, the phase controller (4) is released, the U-phase power supply supplies power to the coil of the three-phase contactor IV through the normally closed auxiliary contact of the three-phase contactor III, and the main contact of the three-phase contactor IV is closed, so that the alternating current is output according to the normal phase sequence.
9. The standard rack-type intelligent integrated power distribution structure of claim 4, wherein: the box (1) in still be equipped with load overcurrent protection circuit, load overcurrent protection circuit is including the current transformer who gathers the real-time mutual inductance current signal of load end, current transformer and effective value conversion module are connected, effective value conversion module and operational amplifier are connected, and the load that obtains after operational amplifier handles overflows the output signal and is carried to control module (9).
10. The standard rack-type intelligent integrated power distribution structure of claim 6, wherein: a support plate (2) is arranged in the box body (1) in the vertical direction; a three-phase contact module (3) formed by arranging three-phase contactors I, II, III and IV is arranged on a bottom plate of the box body (1), a phase controller (4) is arranged beside the three-phase contact module (3), a binding post (5) for wiring is arranged in front of the three-phase contact module (3), and a high-voltage direct-current contact module (6) formed by arranging high-voltage direct-current contactors I and II is arranged beside the binding post (5); a bidirectional thyristor module (7) formed by arranging bidirectional thyristors I and II is arranged on the front surface of the supporting plate (2), and a synchronous transformer (8) is arranged beside the bidirectional thyristor module (7); the back of backup pad (2) still be equipped with control module (9), control module (9) both sides are equipped with respectively and move phase trigger controller I (10) and move phase trigger controller II (11).
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| CN202010089267.8A CN111490478A (en) | 2020-02-12 | 2020-02-12 | Standard machine box type intelligent comprehensive power distribution structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037896U (en) * | 1988-07-14 | 1989-05-17 | 李世毅 | Scr type starter for induction motor |
| CN2704965Y (en) * | 2004-02-11 | 2005-06-15 | 广西工学院 | Flexible starting controller of asychronous motor |
| CN104631541A (en) * | 2015-01-20 | 2015-05-20 | 徐州徐工挖掘机械有限公司 | High-power high-voltage motor safe operation protective system of electric hydraulic excavator |
| CN205407512U (en) * | 2016-03-29 | 2016-07-27 | 中国神华能源股份有限公司 | Motor heating device |
| CN106218549A (en) * | 2016-07-26 | 2016-12-14 | 南京莱斯信息技术股份有限公司 | A kind of intelligent power distribution controller |
| CN208608730U (en) * | 2018-07-13 | 2019-03-15 | 长江上海航道处 | Bank electricity phase sequence automatic transfer equipment peculiar to vessel |
-
2020
- 2020-02-12 CN CN202010089267.8A patent/CN111490478A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037896U (en) * | 1988-07-14 | 1989-05-17 | 李世毅 | Scr type starter for induction motor |
| CN2704965Y (en) * | 2004-02-11 | 2005-06-15 | 广西工学院 | Flexible starting controller of asychronous motor |
| CN104631541A (en) * | 2015-01-20 | 2015-05-20 | 徐州徐工挖掘机械有限公司 | High-power high-voltage motor safe operation protective system of electric hydraulic excavator |
| CN205407512U (en) * | 2016-03-29 | 2016-07-27 | 中国神华能源股份有限公司 | Motor heating device |
| CN106218549A (en) * | 2016-07-26 | 2016-12-14 | 南京莱斯信息技术股份有限公司 | A kind of intelligent power distribution controller |
| CN208608730U (en) * | 2018-07-13 | 2019-03-15 | 长江上海航道处 | Bank electricity phase sequence automatic transfer equipment peculiar to vessel |
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