CN206602400U - A kind of mine direct current electric power system and a kind of mining work station - Google Patents
A kind of mine direct current electric power system and a kind of mining work station Download PDFInfo
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- CN206602400U CN206602400U CN201621031035.2U CN201621031035U CN206602400U CN 206602400 U CN206602400 U CN 206602400U CN 201621031035 U CN201621031035 U CN 201621031035U CN 206602400 U CN206602400 U CN 206602400U
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Abstract
The utility model is related to a kind of mine direct current electric power system and a kind of mining work station, DC power-supply system includes DC power supply and several work stations, work station includes a main frame and at least one slave, supply port is provided with main frame and each slave, electric energy output end output one direct current supply bus of connection of DC power supply, the supply port of main frame connects the direct current supply bus；Energy-storage units are provided with each slave, the supply port of each slave is used to be connected with direct current supply bus under low power mode of operation, connected in the normal mode of operation with corresponding energy-storage units.Different mode of operations is powered by different power supplys, meets the firm energy supply of slave, it is ensured that the reliability service of slave.
Description
Technical field
The utility model is related to a kind of mine direct current electric power system and a kind of mining work station, belongs to mining equipment and powers electricity
Source technology field.
Background technology
Constrained by as defined in the complex conditions such as underground coal mine AC power, roadway distance and associated safety, equipment, which is powered, is
The problem of system design and installation, layout overriding concern.It is public in Publication No. CN202535139U Chinese patent application file
A kind of new type mining urgent danger prevention facility back-up power apparatus, including a main frame and at least one slave are opened.Wherein, each
Transformer is provided with slave, the out-put supply of transformer is changed by AC/DC to be used to power with the direct current exported after rectification.
So, transformer and AC/DC converters are provided with each slave in the supply unit, structure is complex, correspondingly,
Control reliability is relatively low, and input cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of mine direct current electric power system, to solve existing power device structure
Complicated the problem of.The utility model provides a kind of mining work station simultaneously.
To achieve the above object, scheme of the present utility model includes a kind of mine direct current electric power system, including direct current supply
Power supply and several work stations, the work station include being respectively provided with a main frame and at least one slave, main frame and each slave
There are supply port, electric energy output end output one direct current supply bus of connection of the DC power supply, the confession of the main frame
Electric port connects the direct current supply bus；Energy-storage units are provided with each slave, the supply port of each slave is used in low work(
It is connected, is connected in the normal mode of operation with corresponding energy-storage units with the direct current supply bus under work consuming operation mode.
PORT COM is also provided with main frame and each slave, the PORT COM output of main frame connects a communication bus,
The PORT COM of each slave is all connected with the communication bus.
The supply port of the main frame includes electrical energy inputs and electric energy output end, and the direct current supply bus is divided into three
Point, Part I connects the electric energy output end of the DC power supply and the electrical energy inputs of the main frame；Part II is set
Put inside main frame, connect the electrical energy inputs of the main frame and the electric energy output end of the main frame；Part III is by the master
The electric energy output end output connection of machine, is connected for the supply port with each slave under low power mode of operation.
It is four core buses that the direct current supply bus of the Part III is integrally disposed with the communication bus, wherein two cores are
The direct current supply bus of the Part III, two cores are to be connect between the communication bus, and main frame and each slave by T-shaped in addition
Line terminals are connected.
The electric power system also include with the DC power supply, main frame and the one-to-one protective cover of each slave, directly
Stream power supply, main frame and each slave are installed in corresponding protective cover.
The energy-storage units are ferric phosphate lithium cell group.
Each slave includes slave control panel, and management of charging and discharging plate corresponding with energy-storage units, and energy-storage units are set
In a cuboid Battery case, the fixed corresponding management of charging and discharging plate in side on the length direction of the Battery case,
The fixed slave control panel in side in the short transverse of the Battery case, and the Battery case is arranged on correspondence slave control
Between plate and the supply port of slave.
The DC power supply is AC/DC converters, and the exchange end of the AC/DC converters is used to connect alternating current
Net.
Power supply is provided with a kind of mining work station, including a main frame and at least one slave, main frame and each slave
Port, the supply port of the main frame is used to connect direct current supply bus；Energy-storage units are provided with each slave, each slave
Supply port is used to be connected with the direct current supply bus under low power mode of operation, in the normal mode of operation with it is corresponding
Energy-storage units are connected.
The mine direct current electric power system that the utility model is provided includes a DC power supply, the DC power supply
It is that main frame and all slaves are powered, because the electric energy needed for each part in main frame and slave is direct current
Electricity, so, the direct current energy of DC power supply output can be used directly by main frame and all slaves, without passing through again
Electric energy is changed, such as enters line translation by AC/DC converters, also just sets AC/DC converters without special in each slave
Electric energy conversion is carried out, and the isallobaric equipment of transformer need not be set, so, the structure of each slave in the electric power system is more
Simply, the equipment such as transformer and AC/DC converters need not be set by being additionally, since, so, the control reliability of slave is higher, when
So, input cost is also just greatly lowered.
Importantly, supply line and energy-storage units can realize two kinds of powering modes to slave, in low-power consumption mould
Powered, powered in the normal mode of operation by energy-storage units by supply line under formula, different mode of operations are by different power supplys
Power supply, meets the firm energy supply of slave, it is ensured that the reliability service of slave.
Brief description of the drawings
Fig. 1 is the structural representation of DC power-supply system；
Fig. 2 is the enlarged drawing of encircled portion in Fig. 1；
In Fig. 2, output arrow represents electric discharge interface, and input arrow represents charging inlet, and square wave represents control ＆ feedback signals.
Embodiment
The utility model is described in more detail below in conjunction with the accompanying drawings.
As shown in figure 1, mine direct current electric power system generally comprises two parts：DC power supply and work station, wherein
Work station is main frame and slave.Wherein, DC power supply can be the existing D.C. regulated power supply used, it would however also be possible to employ
The dc source of other forms, in the present embodiment, the D.C. regulated power supply include AC/DC converters, the friendship of AC/DC converters
Side connection AC network is flowed, direct current is exported after transformation of electrical energy.The number of main frame is 1；The number of slave is at least one
It is individual, specific number setting is carried out according to actual needs.In addition, main frame and slave are mining common device, it is specific to constitute
And operation principle belongs to routine techniques, so, no longer illustrate here, the present embodiment pair and hair of the present utility model
The part-structure of the related main frame of bright point and slave is illustrated.
As shown in figure 1, supply port is provided with main frame 2, wherein, the supply port on main frame 2 includes electrical energy inputs
And electric energy output end, the direct current energy output end of D.C. regulated power supply 1 connects the electrical energy inputs of main frame 2 by supply line,
Used for main frame, such as provide electric energy for the host control panel 3 in main frame.
Main frame 2 also includes electric energy output end, correspondingly, and direct current supply bus is divided into three parts, Part I connection direct current
The electric energy output end of power supply and the electrical energy inputs of main frame 2；Part II is arranged on inside main frame 2, connection main frame 2
The electric energy output end of electrical energy inputs and main frame 2；Part III by main frame 2 electric energy output end export connect, for respectively from
The supply port connection of machine.
Also there is PORT COM on main frame 2 and each slave, the communication interface output of main frame 2 connects a communication bus, respectively
The PORT COM of slave is connected with the communication bus, realizes the communication between main frame 2 and each slave.
In the present embodiment, in order to realize the integrated of cable, and it is easy to wiring and the unified management of cable, will be above-mentioned
The direct current supply bus and communication bus of Part III are integrally disposed, and integrally disposed is four core buses, wherein two cores are the 3rd
Partial direct current supply bus, two cores are with T-shaped between communication bus, and main frame and each slave by the four cores bus in addition
Mode is connected, i.e., connected between each slave and main frame by T-shaped binding post.Moreover, realizing confession simultaneously using the form of bus
Electricity and communication, and each slave is all connected on communication bus and direct current supply bus, when some slave breaks down, only need
Failure slave is disconnected from bus, the operation of whole electric power system can't be influenceed.
Following emphasis is illustrated to the dependency structure of slave.Because the structure of each slave is identical, so, below for it
In a slave illustrate.
Energy-storage units are provided with each slave, for being powered to corresponding slave, also, in order to realize to energy storage
Unit is charged, and each energy-storage units can connect the supply port on correspondence slave.In the present embodiment, energy-storage units are phosphorus
Sour lithium iron battery group 4.
Because DC power supply power is smaller, so, slave in low power operation pattern (such as：Dormancy) under, respectively from
The supply port of machine is connected with direct current supply bus, is that each slave is powered using DC power supply；Slave is in normal work mould
Under formula, the supply port of each slave is connected with corresponding ferric phosphate lithium cell group, utilizes the ferric phosphate lithium cell group in each slave
Powered for each slave, the reliable power supply of slave can be realized by two kinds of power supply modes.In addition, supply port is female with direct current supply
The connection of line can realize that this partly belongs to routine techniques with the connection of ferric phosphate lithium cell group by switching switch, this
In just no longer illustrate.
In addition, the present embodiment provides a kind of Starting mode of electric power system：Operationally, after system electrification along slave
Soft starting device can avoid many slave inrush currents cause DC power supply enter overcurrent protection state, First from
Machine start after can immediately enter under low power operation pattern (LowPower_RunMode, hereinafter referred to as LP_RM), this pattern from
Electromechanics stream is general less than 20mA, and then second, the 3rd ..., N platforms slave starts and enters LP_RM successively.
When slave carries out inspection to main frame to along, judge whether to need to enter normal work mould by coding from chance
Formula, such as meets condition, and slave control panel then sends electric discharge instruction to management of charging and discharging plate BTM, thus the power supply of slave by
DC power supply switches to ferric phosphate lithium cell group, and otherwise slave is still in LP_RM, while main frame is according to all slaves
Battery electric quantity plans as a whole control slave control panel, and then controls management of charging and discharging plate BTM to allow DC power supply can be with more than ten
The charging current of milliampere charges to ferric phosphate lithium cell group.
Therefore, the group method that this electric power system is powered is：Powered during slave low power operation by DC power supply,
Main frame can set slave charging priority according to the residual capacity of slave correspondence battery pack；By corresponding electricity during slave normal work
Pond group is powered.
As shown in figure 1, each slave includes slave control panel 5, and with the corresponding discharge and recharge of ferric phosphate lithium cell group 4
Management board BTM6.Therefore realized using management of charging and discharging plate BTM6 between ferric phosphate lithium cell group 4 and corresponding supply port
Connection.
In the present embodiment, ferric phosphate lithium cell group 4 is arranged in the Battery case of a cuboid, in the Battery case
Length direction on the fixed corresponding management of charging and discharging plate BTM6 in side, as shown in Fig. 2 being constituted ferric phosphate lithium cell group with this
4 can effectively reduce LiFePO4 electricity with corresponding management of charging and discharging plate BTM6 integrated morphology, both this position relationships
The size of the short transverse of pond group 4 and corresponding management of charging and discharging plate BTM6 integrated morphology.Moreover, ferric phosphate lithium cell group 4
Battery case short transverse on side fixation from machine controller 5, from the supply port and communication of machine controller 5 and slave
Port be separately positioned on ferric phosphate lithium cell group 4 with the short transverse of corresponding management of charging and discharging plate BTM6 integrated morphology
Both sides.Operationally, slave control panel 5 is connected slave with corresponding supply port and PORT COM, slave control panel 5 and charge and discharge
Electric management board BTM6 connections, because the volume of slave control panel 5 is larger, ferric phosphate lithium cell group 4 and corresponding management of charging and discharging
The small volume of plate BTM6 integrated morphology, so, the integrated morphology is arranged on slave control panel 5 and supply port and communication
Between port, the length of the connection cables between slave control panel 5 and supply port and PORT COM can be shortened, input is saved
Cost, and because length of cable is shorter, thus it is possible to be easy to the management of cable, prevent slave Internal cable from connecting mixed and disorderly.
In addition, explosion-proof and security in order to ensure electric power system, the electric power system also include several protective covers, directly
Stream voltage-stabilized power supply, main frame and each slave are installed in corresponding protective cover, protect D.C. regulated power supply, main frame and each slave from
The influence of adverse circumstances under ore deposit.Protective cover can be made of metal, can also be high by the stronger fire-retardant, surface resistivity of hardness
Plastics are made.
In order to avoid the inrush current of slave causes D.C. regulated power supply to enter in overcurrent protection state, each slave
It is additionally provided with soft starting device.These soft starting devices be existing equipment, so, on soft starting device structure and
It is prior art with the annexation of the other equipment in slave etc., no longer illustrates here.
Assuming that a certain group of associate device parameter of electric power system is as shown in table 1：
Table 1
In existing electric power system (power supply and main frame distance are ignored), power supply can connect load (slave) quantity N and most teletransmission
It is defeated to be apart from L relations：
Former formula
After simplification
The electric power system that the utility model is provided：
Former formula
After simplification
So, the utility model is applied in the not high monitoring system of requirement of real-time, can be effectively increased supply network away from
From.In addition, modularized design can be used in slave, it is convenient to install and replace.The electric power system that the utility model is provided can be used
In fields such as colliery, oil, natural gas, chemical industry, metallurgy, there is great application prospect.
In above-described embodiment, D.C. regulated power supply connection dc bus, each slave is all connected with the dc bus and realized respectively
The power supply of slave, as other embodiments, the electric energy output end of D.C. regulated power supply can also be directly connected to main frame and each
Slave, i.e., centered on D.C. regulated power supply, powered with radial connected mode and connect main frame and each slave, such
Words, main frame is just no longer special to set electrical energy inputs and electric energy output end, but, only one of which feeder ear similar with slave, should
Feeder ear is directly connected to the dc bus, also, direct current supply bus is without being divided into three parts.
In above-described embodiment, not only there is power supply to connect between main frame and each slave, also communication connection, this is one kind
The embodiment of optimization, as other embodiments, if without communication between main frame and slave, between main frame and each slave
Only power supply it can also connect, it is not necessary to carry out communication connection.
In addition, the utility model also provides a kind of specific mining work station, the structure of the work station and above-mentioned slave
Structure is identical, because the above-mentioned structure to slave is made that detailed description, just no longer illustrates here.
Specific embodiment is presented above, but the utility model is not limited to described embodiment.This practicality
New basic ideas are the hardware configuration of electric power system, and the operation reserve on the electric power system does not do limited want then
Ask, the operation reserve proposed in the present embodiment can be used, it is, of course, also possible to using other operation reserves.This is not being departed from
This practicality is still fallen within to the change, modification, replacement and modification that embodiment is carried out in the case of the principle and spirit of utility model
In new protection domain.
Claims (9)
1. a kind of mine direct current electric power system, it is characterised in that including DC power supply and several work stations, the work
Stand including a main frame and at least one slave, supply port, the DC power supply are provided with main frame and each slave
Electric energy output end output one direct current supply bus of connection, the supply port of the main frame connects the direct current supply bus；Respectively
Energy-storage units are provided with slave, the supply port of each slave is used under low power mode of operation and direct current supply mother
Line is connected, and is connected in the normal mode of operation with corresponding energy-storage units.
2. mine direct current electric power system according to claim 1, it is characterised in that be also provided with main frame and each slave
PORT COM, PORT COM output one communication bus of connection of main frame, the PORT COM of each slave is all connected with the communication bus.
3. mine direct current electric power system according to claim 2, it is characterised in that the supply port of the main frame includes electricity
Energy input and electric energy output end, the direct current supply bus are divided into three parts, and Part I connects the DC power supply
Electric energy output end and the main frame electrical energy inputs；Part II is arranged on inside main frame, connects the electric energy of the main frame
The electric energy output end of input and the main frame；Part III is exported by the electric energy output end of the main frame and connected, for low
Supply port under power consumption mode of operation with each slave is connected.
4. mine direct current electric power system according to claim 3, it is characterised in that the direct current supply of the Part III is female
It is four core buses that line is integrally disposed with the communication bus, wherein two cores are the direct current supply bus of the Part III, in addition
Two cores are to be connected between the communication bus, and main frame and each slave by T-shaped binding post.
5. mine direct current electric power system according to claim 1, it is characterised in that the electric power system also include with it is described
DC power supply, main frame and the one-to-one protective cover of each slave, DC power supply, main frame and each slave are installed in pair
In the protective cover answered.
6. mine direct current electric power system according to claim 1, it is characterised in that the energy-storage units are LiFePO4 electricity
Pond group.
7. mine direct current electric power system according to claim 1, it is characterised in that each slave includes slave control panel,
And management of charging and discharging plate corresponding with energy-storage units, energy-storage units are arranged in a cuboid Battery case, the battery
Side in the fixed corresponding management of charging and discharging plate in side on the length direction of casing, the short transverse of the Battery case is consolidated
If slave control panel, and the Battery case be arranged on correspondence slave control panel and slave supply port between.
8. mine direct current electric power system according to claim 1, it is characterised in that the DC power supply is AC/DC
Converter, the exchange end of the AC/DC converters is used to connect AC network.
9. a kind of mining work station, it is characterised in that including a main frame and at least one slave, is all provided with main frame and each slave
Supply port is equipped with, the supply port of the main frame is used to connect direct current supply bus；Energy-storage units are provided with each slave,
The supply port of each slave is used to be connected with the direct current supply bus under low power mode of operation, in the normal mode of operation
Connected with corresponding energy-storage units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031035.2U CN206602400U (en) | 2016-08-31 | 2016-08-31 | A kind of mine direct current electric power system and a kind of mining work station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031035.2U CN206602400U (en) | 2016-08-31 | 2016-08-31 | A kind of mine direct current electric power system and a kind of mining work station |
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| CN206602400U true CN206602400U (en) | 2017-10-31 |
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| CN201621031035.2U Active CN206602400U (en) | 2016-08-31 | 2016-08-31 | A kind of mine direct current electric power system and a kind of mining work station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655698A (en) * | 2019-02-01 | 2019-04-19 | 唐智科技湖南发展有限公司 | A kind of railway freight-car fault diagnosis system shared based on power supply |
-
2016
- 2016-08-31 CN CN201621031035.2U patent/CN206602400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655698A (en) * | 2019-02-01 | 2019-04-19 | 唐智科技湖南发展有限公司 | A kind of railway freight-car fault diagnosis system shared based on power supply |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: Power Polytron Technologies Inc Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: Zhengzhou GL Tech Company |
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| CP01 | Change in the name or title of a patent holder |