CN205104984U - Electronic excavator stand -by power supply system - Google Patents
Electronic excavator stand -by power supply system Download PDFInfo
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- CN205104984U CN205104984U CN201520768330.5U CN201520768330U CN205104984U CN 205104984 U CN205104984 U CN 205104984U CN 201520768330 U CN201520768330 U CN 201520768330U CN 205104984 U CN205104984 U CN 205104984U
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Abstract
The utility model discloses an electronic excavator stand -by power supply system belongs to excavator technical field, including transformer, first, two switching power supply, direct current UPS, diode confluence module and general load to and the battery of being connected with direct current UPS, the alternating voltage that emergency lighting, GPS device and monitor the instrument, first, two switching power supply pass through transformer and outside electric wire netting is connected, first, two switching power supply respectively with general load connection, while and diode confluence module parallel connection, the diode confluence module is connected with direct current UPS. The utility model discloses a power supply of two switching power supply, for the general load of electronic excavator system provides stable direct current 24V power with direct current UPS, when power output lacked, direct current UPS was that important loads such as emergency lighting, GPS device, controller, control instrument provide with stable direct current 24V power output through the battery, has ensured reserve electrical power generating system's reliability.
Description
Technical field
The utility model relates to a kind of power-supply system, and specifically a kind of electric excavator standby power system, belongs to excavator technical field.
Background technology
Electric excavator, the electronic engineering mechanical device such as electronic materials-taking machine is widely used in mine, steel mill, harbour, the occasions such as harbour, this kind equipment is using motor as power source, its external power supply is the electrical network electrical source of power exchanging 6000V or 380V, same Time Controller, monitoring device, GPS device, the power consumption equipments such as emergency lighting generally need DC24V low-voltage dc power supply, in use meet external power supply situation that is abnormal or that have a power failure suddenly on occasion, low voltage electric power system dead electricity can be caused simultaneously, especially in the equipment not configuring the stand-by power supplies such as storage battery, certain potential safety hazard is brought by Operation and Maintenance.
For solving the problems of the technologies described above, someone invents a kind of Emergency power supply unit of electronic steel grasping machine.This Emergency power supply unit is by increase by group storage battery, in electronic steel grasping machine main controller, increase a set of charger simultaneously, when supply line is normal, charger is charge in batteries, when external power source has a power failure, switch to storage battery power supply by driver's cabin diverter switch, can be easy realize emergency power supply.
Although this device can realize the supply of emergency power supply, but when outside power failure, need manually to realize emergency service by diverter switch, the continuous stability of emergency service cannot be ensured, and load is illumination and the working electromagnet valve of operation site, do not consider the power demands of the important load equipment such as controller, monitoring device, GPS device, easily cause the fault such as communicating interrupt, loss of data, thus affect the real work effect of emergency power supply.
Summary of the invention
The purpose of this utility model is to provide a kind of electric excavator low-voltage power supply system; double switch power parallel-connection structure is adopted to provide stable DC24V DC power supply for electric excavator; while meeting general load power demands; when there is external power source exception or power-off suddenly; stand-by power supply UPS and battery system start automatically; for electric excavator important load of being correlated with provides emergency power supply, to ensure the security maintenance operation after device powers down.
For achieving the above object, a kind of electric excavator standby power system of the utility model, comprise transformer, the first Switching Power Supply, second switch power supply, storage battery, emergency lighting, GPS device, monitoring device and general load, also comprise direct current UPS and diode confluence module; The input of described first Switching Power Supply and second switch power supply is electrically connected with the alternating voltage of external electrical network by transformer, described first Switching Power Supply is connected with general load respectively with the output of second switch power supply, is connected in parallel with diode confluence module input simultaneously; Described diode confluence module output is connected with direct current UPS input, and described direct current UPS output is electrically connected with storage battery, emergency lighting, GPS device and monitoring device respectively.
Further, also comprise controller, described controller is connected with GPS device, monitoring device, the first Switching Power Supply, second switch power supply, direct current UPS communication respectively, this controller can monitor operating state and the warning message of the first Switching Power Supply, second switch power supply, direct current UPS and storage battery in real time, and by supervisory instrument interface display to user, user can recognize the overall operation state of equipment in time, in time the parts needed repairing are keeped in repair, effectively ensure that and the stability that equipment runs extend the useful life of equipment.
Further, long distance control system center, described remote monitoring center is connected with GPS device by wireless signal, and remote control center can be monitored in time and contact user process current failure is reported to the police, to ensure the normal operation of equipment.
Preferably, the model of described diode confluence module is CPMDM40, and the model of described direct current UPS is CPSNT31000W24V40A.
Compared with prior art, the utility model adopts double switch power to power, first Switching Power Supply and second switch power supply are connected in parallel by diode confluence module, for the general load of electric excavator system and direct current UPS provide stable direct current 24V power supply, when power supply exports disappearance, direct current UPS by storage battery be emergency lighting, the important load such as GPS device, controller, monitoring device provides and exports with stable direct current 24V power supply, effectively ensure that the supply of electric power of load equipment stable operation in setting-up time.Direct current UPS and storage battery connect to form closed loop thermal detection control, realize dynamic discharge characteristic self-regulation, have ensured use safety and the life-span of battery, avoid stand-by power supply floating charge reserve battery module after safeguarding, ensure that the reliability of backup power system.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model comprises transformer, the first Switching Power Supply, second switch power supply, diode confluence module, direct current UPS, storage battery, emergency lighting, controller, GPS device, monitoring device, remote monitoring center and general load.Described external electrical network alternating voltage 380V is directly connected with the input of the first Switching Power Supply and second switch power supply, or is be connected with the input of the first Switching Power Supply and second switch power supply after 380V through transformer transformation; Described first Switching Power Supply is connected with general load respectively with the output of second switch power supply, is connected in parallel with diode confluence module input simultaneously; Described diode confluence module output is connected with direct current UPS input, described direct current UPS output is connected with storage battery, emergency lighting, GPS device, controller, monitoring device respectively, described controller is connected with GPS device, monitoring device, the first Switching Power Supply, second switch power supply, direct current UPS communication respectively, and described GPS device is connected with remote monitoring center wireless telecommunications.
Described controller is connected with monitoring device with the first Switching Power Supply, second switch power supply, direct current UPS, GPS device respectively and communicates, achieve operating state and the warning message of monitoring the first Switching Power Supply, second switch power supply, direct current UPS and storage battery in real time, and by supervisory instrument interface display to user, also the information such as voltage, current parameters, warning message, battery condition can be sent to remote monitoring center by GPS device with Time Controller, current alerts fault can be processed by remote control center by note or Advise By Wire user.
As the optimal way to technique scheme, the model of described diode confluence module is CPMDM40, and the model of described direct current UPS is CPSNT31000W24V40A.
External electrical network 6kV AC power is adopted for electric excavator, after electric excavator introduced by 6kV cable, through transformer transformation be 380V export, be connected with the 380V input of the first Switching Power Supply and second switch power supply respectively, first Switching Power Supply is connected with general load respectively with the direct current 24V output of second switch power supply, and be connected with the power input of direct current UPS by diode confluence module, direct current UPS is connected with 24V storage battery, and is connected with the direct current 24V power input of monitoring device with emergency lighting, GPS device, controller.Meanwhile, controller communicates with the first mains switch, second source switch, direct current UPS, GPS device, monitoring device respectively and is electrically connected, and GPS device is connected with remote monitoring center radio communication.
When external electrical network power supply is normal, the direct current 24V power supply of the first Switching Power Supply and second switch power supply stable output, be respectively work light, broadcast receiver, wiper, while the general load such as air-conditioning system is powered, in parallel use is realized by diode confluence module, improve power-supply system capacity further, and diode confluence module can realize the isolation use of the first Switching Power Supply and second switch power supply, i.e. the first Switching Power Supply and second switch electric power generating composition redundancy structure, can not have an impact to another Switching Power Supply once a wherein power failure, efficiently avoid when external power supply situation that is abnormal or that have a power failure suddenly, cause the phenomenon of low voltage electric power system dead electricity, thus improve power supply reliability and the stability of system, and effectively improve the equal properties of flow of power supply.
Described diode confluence module provides direct current 24V power supply for direct current UPS, and direct current UPS, while providing direct current 24V power supply for important loads such as controller, monitoring device, GPS device, emergency lightings, realizes the charge and discharge management function to storage battery.Once external electrical network abnormity of power supply have a power failure, direct current UPS then by storage battery for important load provides direct current 24V power supply.Meanwhile, direct current UPS adopt advanced all to fill, the charging algorithm technology such as floating charge, have overcharge, cross put, protection and the warning function such as reversed polarity, overcurrent, guarantee that storage battery long-term safety uses reliably.
Described controller is monitored in real time to the first Switching Power Supply, second switch power supply, direct current UPS, GPS device, monitoring device respectively, and by controller, the operating state of second switch power supply, second switch power supply, direct current UPS and warning message are sent to monitoring device, monitoring device, with picture and text form prompting user's current power working state of system and fault alarm, specifically comprises the information such as overload, excess temperature, short circuit, under-voltage and accumulator charging and discharging state.Controller also by GPS device by power-supply system warning message Wireless transceiver to remote control center, remote monitoring center is monitored power-supply system in real time by GPS device, and timely contact user process alarm failure, to ensure the normal operation of equipment, effectively improve operating efficiency.
Claims (4)
1. an electric excavator standby power system, comprises transformer, the first Switching Power Supply, second switch power supply, storage battery, emergency lighting, GPS device, monitoring device and general load, it is characterized in that, also comprise direct current UPS and diode confluence module; The input of described first Switching Power Supply and second switch power supply is electrically connected with the alternating voltage of external electrical network by transformer, described first Switching Power Supply is connected with general load respectively with the output of second switch power supply, is connected in parallel with diode confluence module input simultaneously; Described diode confluence module output is connected with direct current UPS input, and described direct current UPS output is electrically connected with storage battery, emergency lighting, GPS device and monitoring device respectively.
2. a kind of electric excavator standby power system according to claim 1, is characterized in that, also comprise controller, and described controller is connected with GPS device, monitoring device, the first Switching Power Supply, second switch power supply, direct current UPS communication respectively.
3. a kind of electric excavator standby power system according to claim 2, is characterized in that, also comprise long distance control system center, described remote monitoring center is connected with GPS device by wireless signal.
4. a kind of electric excavator standby power system according to claim 3, is characterized in that, the model of described diode confluence module is CPMDM40, and the model of described direct current UPS is CPSNT31000W24V40A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768330.5U CN205104984U (en) | 2015-10-07 | 2015-10-07 | Electronic excavator stand -by power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768330.5U CN205104984U (en) | 2015-10-07 | 2015-10-07 | Electronic excavator stand -by power supply system |
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| Publication Number | Publication Date |
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| CN205104984U true CN205104984U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520768330.5U Active CN205104984U (en) | 2015-10-07 | 2015-10-07 | Electronic excavator stand -by power supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092407A (en) * | 2018-01-24 | 2018-05-29 | 上海振华重工(集团)股份有限公司 | A kind of ship emergency lighting system |
| CN110311466A (en) * | 2019-07-16 | 2019-10-08 | 武汉腾江电气制造有限公司 | Railway communication base station double power-supply system, control method, equipment and storage medium |
| CN111628691A (en) * | 2020-06-18 | 2020-09-04 | 上海电气集团上海电机厂有限公司 | Modular digital motor system |
-
2015
- 2015-10-07 CN CN201520768330.5U patent/CN205104984U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092407A (en) * | 2018-01-24 | 2018-05-29 | 上海振华重工(集团)股份有限公司 | A kind of ship emergency lighting system |
| CN110311466A (en) * | 2019-07-16 | 2019-10-08 | 武汉腾江电气制造有限公司 | Railway communication base station double power-supply system, control method, equipment and storage medium |
| CN111628691A (en) * | 2020-06-18 | 2020-09-04 | 上海电气集团上海电机厂有限公司 | Modular digital motor system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190327 Address after: 221000 39 Gaoxin Road, Xuzhou Economic Development Zone, Jiangsu Patentee after: Xuzhou Xugong Mining Machinery Co., Ltd. Address before: 221000 39 Gaoxin Road, Xuzhou economic and Technological Development Zone, Xuzhou, Jiangsu Patentee before: XCMG Excavator Machinery Co., Ltd. |