CN204103569U - A kind of high-power portable trough-electricity energy storage emergency power supply room - Google Patents
A kind of high-power portable trough-electricity energy storage emergency power supply room Download PDFInfo
- Publication number
- CN204103569U CN204103569U CN201420600710.3U CN201420600710U CN204103569U CN 204103569 U CN204103569 U CN 204103569U CN 201420600710 U CN201420600710 U CN 201420600710U CN 204103569 U CN204103569 U CN 204103569U
- Authority
- CN
- China
- Prior art keywords
- trough
- power
- energy storage
- power supply
- electricity energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of high-power portable trough-electricity energy storage emergency power supply room, the inside in power supply room is provided with high-power portable trough-electricity energy storage emergency power system, comprise using electricity system switch export with DC power supply, vanadium cell trough-electricity energy-storage system; Main system power is leaded up to using electricity system and is switched and exchange along separate routes output and be connected, and another road connection vanadium cell trough-electricity energy-storage system carries out energy storage charging; During vanadium cell trough-electricity energy storage system discharges, electric current one tunnel is connected with interchange shunt output after two-way inversion/inversion, and another road connects DC output end.The exportable interchange of the utility model, frequency-changing AC and DC power supply, when main system power burst has a power failure, can continue power supply by support section equipment, guarantee some equipment on-the-spot trouble free service within a certain period of time; Energy storing device with vanadium battery, power is large, and cost is low; Obvious energy conservation, reduction expense; The utility model can be pre-installed and debug in factory, and entirety is transported to building site and uses.
Description
Technical field
The utility model relates to a kind of emergency power supply field, particularly the high-power portable trough-electricity energy storage emergency power supply room of one.
Background technology
Electric room is a kind of product being arranged on outdoor power transformation, distribution, electricity consumption and transmission Integrated Solution, is reasonably be arranged in the steel construction room of customization by the electric equipments such as High-low voltage switch cabinet, transformer, mesolow drive system, control system, electric energy storage device, emergency service and protection surveillance according to the electric room scheme of owner or design side.Simultaneously based on electrically outside within doors condition and requirement, configuration air-conditioning system, illuminator, fire alarm and acoustooptic alarm system etc., make the needs that electrically can meet personnel's regular maintenance and security protection.Whole electric room is undertaken designing by customer demand, building equipment is installed, interconnected wiring, and overall inspection is debugged, and then whole Transporting is to curstomer's site, and direct-electrifying can come into operation, and also claims prepackage portable electrically room or portable electrical house.Due to, in the wild, the duration of engineering is tight sometimes, therefore requires that equipment is pre-installed, and newly need not construct the factory buildings, namely facilitate, energy-conservation again for majority.Visible such device demand is increasing.
The tradition electric room of prepackage type, lacks the Optimum Regulation such as humidity, temperature, particularly can not be suitable for the large environment of salt fog, humidity and dust storm.
In addition, traditional prepackage type also has DC power supply in electric room, but capacity is little, and does not have low ebb energy storing device with vanadium battery.When main system power burst is stopped power supply, some equipment can not quit work, and needs emergent prepackage plant-grid connection, to ensure that site safety runs.
Efficient extensive energy-storage battery is the core of New Energy Industry revolution.Vanadium cell (VRB) be largest in the world today, technology is most advanced, closest to the efficient reversible fuel cell of industrialization, there is a series of particular advantages such as power is large, capacity is large, efficiency is high, cost is low, the life-span is long, environmental protection, there is extremely good application prospect in wide field such as photovoltaic generation, wind power generation, peak load regulation network, distribution power station, communication base station, UPS or EPS, Electric Transit, military electric power storages, start commercial applications in the U.S., Canada, Europe, Japan, Australia.Vanadium cell will bring unprecedented, a significant far-reaching New Energy Industry revolution for the mankind along with the fast development of vanadium cell technology!
Summary of the invention
The utility model provides a kind of high-power portable trough-electricity energy storage emergency power supply room, exportable interchange, frequency-changing AC and DC power supply, when the burst of support main system power is stopped power supply, adopt energy storing device with vanadium battery that equipment component can be made to continue power supply, guarantee some equipment on-the-spot trouble free service within a certain period of time; Energy storing device with vanadium battery, its power is large, and cost is low; Adopt vanadium cell and trough-electricity energy storage, can realize significantly energy-conservation and reduce operating cost; This emergency power supply is a kind of emergency power supply room pre-installing portable trough-electricity energy storage, installs in advance, debugs, with iant flat truck, be transported to and make land used, can use in factory; Being applicable to the heavy constructions such as mine, railway, oil, natural gas and water conservancy answers urgent telegram to power; This emergency power supply adopts air conditioner type internal temperature control methods, outer hermetically sealed within doors, works under being applicable to the severe environmental conditions such as humidity, salt fog and dust storm.
For achieving the above object, the utility model realizes by the following technical solutions:
A kind of high-power portable trough-electricity energy storage emergency power supply room, the external structure in described power supply room comprises rack module, the Side fascia of escalator handrail, electrically room band heat-insulation layer, the outside heat pipe exchanger of power system modules air-conditioning, power system modules side door rain are taken, power system modules side door, platform handrail; The internal structure in described power supply room comprises high-power portable trough-electricity energy storage emergency power system, illuminating lamp, air-conditioning inner heat exchanger, smoke monitoring transducer, humidity detection transducer, electrically room interior floor; Described high-power portable trough-electricity energy storage emergency power system comprises rectification circuit, three-phase electricity testing circuit, KM contactor, switch Q, DC output end, diode D2, two-way inversion/frequency converter, vanadium cell trough-electricity energy-storage system; When main system power normal power supply, main power switch Q21, switch Q22 are closed, and main power switch Q21 mono-tunnel is connected with interchange shunt output through rectification circuit, two-way inversion/frequency converter, KM4 ~ KMn contactor successively; One tunnel drives contactor KM3 through three-phase electricity testing circuit; Another road connects vanadium cell trough-electricity energy-storage system, to vanadium cell heap energy storage charging under the control of trough-electricity energy storage control system; Described vanadium cell trough-electricity energy-storage system comprises vanadium cell heap, fast charging and discharging unit, vanadium cell voltage and temperature detecting unit, trough-electricity energy storage control system; When the unexpected power-off of main system power, under the control of trough-electricity energy storage control system, switch Q24 closes, three-phase electricity testing circuit drives contactor KM3 contacting, and electric vanadium cell connects two-way inversion/frequency converter, KM4 ~ KMn contactor and exchanges output be along separate routes connected through switch Q24, contactor KM3 contact, diode D2 successively; When needs direct current exports, under the control of trough-electricity energy storage control system, switch Q23 closes at any time, and electric vanadium cell directly connects DC output end; Described trough-electricity energy storage control system connects manual/auto control simultaneously.
Described two-way inversion/frequency converter comprises voltage conversion circuit, inverter, filter and two-way inverter control circuit, the input signal of voltage conversion circuit takes from the control contact QF21 of access switch unit, the direct current of QF22 exports, when contactor K closes, direct current signal is through electric capacity C1, inductance L 1 and switch transistor T 7 form pulsatory square-wave, by switch transistor T 1, T2, T3, T4, T5, direct current signal is changed into three-phase alternating current by the inverter that T6 and electric capacity C2 forms, by inductance L 2, through output QF31 after the filter filtering that L3 and electric capacity C3 forms, QF32, QF33 exports electricity consumption switch unit to.
Described vanadium cell voltage and temperature detecting unit comprise MAX132A/D transducer, 2.5V reference voltage source, DSP voltage temperature detection control device, DS18B20 battery temperature transmitter, network interface and memory, 2.5V reference power supply is connected with MAX132A/D transducer, and MAX132A/D transducer is connected with DSP voltage temperature detection control device with address bus AB1 by data/address bus DB1; DSP voltage temperature detection control device one end is by data/address bus DB
2with address bus AB
2be connected with the network interface of band fieldbus function, one end is by data/address bus DB
3with address bus AB
3be connected with memory; DS18B20 battery temperature transmitter is one-wire bus digital integration temperature transmitter, is connected with DSP voltage temperature detection control device; MAX132A/D transducer detects the output voltage of vanadium cell heap, and inputted by tested voltage end, MAX132A/D transducer requires to be provided with high accuracy, high-resolution reference voltage according to the rules, and 2.5V reference voltage, for analog-to-digital conversion.
Compared with prior art, the utility model beneficial effect is:
1) this emergency power supply is the emergency power supply room of a kind of prepackage type trough-electricity energy storage, exportable interchange, frequency-changing AC and DC power supply, when the burst of support main system power is stopped power supply, energy storing device with vanadium battery can make equipment component continue power supply, guarantees some equipment on-the-spot trouble free service within a certain period of time;
2) energy storing device with vanadium battery is adopted, a series of particular advantages such as its power is large, capacity is large, efficiency is high, cost is low, the life-span is long, environmental protection;
3) adopt vanadium cell and trough-electricity energy storage, can realize significantly energy-conservation and reduce operating cost;
4) this emergency power supply is a kind of emergency power supply room pre-installing portable trough-electricity energy storage, installs in advance in the factory, debugs, with iant flat truck, be transported to and make land used, connect main system power, can use.Being applicable to the heavy constructions such as mine, railway, oil, natural gas and water conservancy answers urgent telegram to power;
5) this emergency power supply adopts air conditioner type internal temperature control methods, outer hermetically sealed within doors, works under being applicable to the severe environmental conditions such as humidity, salt fog and dust storm.
Accompanying drawing explanation
Fig. 1 is the contour structures end view in high-power portable trough-electricity energy storage emergency power supply room.
Fig. 2 is the cut-away view in high-power portable trough-electricity energy storage emergency power supply room.
Fig. 3 is the systematic schematic diagram of high-power portable trough-electricity energy storage emergency power supply.
Fig. 4 is energy storage fast charging and discharging controller.
Fig. 5 is two-way inversion/frequency converter unit.
Fig. 6 is vanadium cell voltage, temperature detecting unit.
Fig. 7 is the system block diagram of high-power portable trough-electricity energy storage emergency power supply.
Fig. 8 is trough-electricity energy storage control system block diagram.
In Fig. 1,2: the Side fascia 4-power system modules air-conditioning outside heat pipe exchanger 5-power system modules side door rain of 1-rack module 2-escalator handrail 3-electric room band heat-insulation layer is taken 6-power system modules side door 7-platform handrail 8-anode electrolyte of vanadium battery fluid reservoir and pump (1) 9-vanadium cell unit 10-vanadium redox battery negative pole electrolyte fluid reservoir and the two-way inversion of pump (2) 11-illuminating lamp 12-temperature detection inverter 13-air-conditioning inner heat exchanger 14-smoke monitoring transducer 15-humidity detection transducer 16-charging-discharging controller 17-trough-electricity energy storage control system 18-/frequency converter 19-using electricity system switching and exported 20-display screen 21-electric room interior floor with DC power supply
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further illustrated:
As shown in Figure 1, a kind of high-power portable trough-electricity energy storage emergency power supply room, the external structure in power supply room comprises a shut die 1, the Side fascia 3 of escalator handrail 2, electrically room band heat-insulation layer, the outside heat pipe exchanger 4 of power system modules air-conditioning, power system modules side door rain take 5, power system modules side door 6, platform handrail 7; As shown in Figure 2, the internal structure in power supply room comprises high-power portable trough-electricity energy storage emergency power system, illuminating lamp 11, air-conditioning inner heat exchanger 13, smoke monitoring transducer 14, humidity detection transducer 15, electrically room interior floor 21; See Fig. 3, described high-power portable trough-electricity energy storage emergency power system comprises rectification circuit, three-phase electricity testing circuit, KM contactor, switch Q, DC output end, diode D2, two-way inversion/frequency converter, vanadium cell trough-electricity energy-storage system; When main system power normal power supply, main power switch Q21, switch Q22 are closed, and main power switch Q21 mono-tunnel is connected with interchange shunt output through rectification circuit, two-way inversion/frequency converter, KM4 ~ KMn contactor successively; One tunnel drives contactor KM3 through three-phase electricity testing circuit; Another road connects vanadium cell trough-electricity energy-storage system, to vanadium cell heap energy storage charging under the control of trough-electricity energy storage control system; Described vanadium cell trough-electricity energy-storage system comprises vanadium cell heap, fast charging and discharging unit, vanadium cell voltage and temperature detecting unit, trough-electricity energy storage control system; When the unexpected power-off of main system power, under the control of trough-electricity energy storage control system, switch Q24 closes, three-phase electricity testing circuit drives contactor KM3 contacting, and electric vanadium cell connects two-way inversion/frequency converter, KM4 ~ KMn contactor and exchanges output be along separate routes connected through switch Q24, contactor KM3 contact, diode D2 successively; When needs direct current exports, under the control of trough-electricity energy storage control system, switch Q23 closes at any time, and electric vanadium cell directly connects DC output end; Described trough-electricity energy storage control system connects manual/auto control simultaneously.
See Fig. 3, QF1 is the input of fast charging and discharging unit.See Fig. 4, the function of described fast charging and discharging unit is direct current by Q221 ~ Q223 three-phase alternating current electric rectification of being accessed by Q22, contact QF11, the direct current signal that QF12 exports becomes square wave, to the charging of vanadium cell heap, switch transistor T 8, T9, electric capacity C4, C5 and inductance L 4 constitute quick-charging circuit, fast charging and discharging unit is controlled by charging-discharging controller, charging-discharging controller passes through fieldbus, receive trough-electricity energy storage control system to control, under the control of trough-electricity energy storage control system, fast charging and discharging unit can realize the emergency service when main power source system has a power failure suddenly, also regularly controlled discharge can be carried out to vanadium cell heap, in order to improve the characteristic of vanadium cell heap.
See Fig. 3, QF2 is the input of two-way inversion/frequency converter, and QF3 is the output of two-way inversion/frequency converter.See Fig. 5, two-way inversion/frequency converter comprises voltage conversion circuit, inverter, filter and two-way inverter control circuit, the input signal of voltage conversion circuit takes from the control contact QF21 of access switch unit, the direct current of QF22 exports, when contactor K closes, direct current signal is through electric capacity C1, inductance L 1 and switch transistor T 7 form pulsatory square-wave, by switch transistor T 1, T2, T3, T4, T5, direct current signal is changed into three-phase alternating current by the inverter that T6 and electric capacity C2 forms, by inductance L 2, through output QF31 after the filter filtering that L3 and electric capacity C3 forms, QF32, QF33 exports electricity consumption switch unit to.
See Fig. 6, vanadium cell voltage and temperature detecting unit comprise MAX132A/D transducer, 2.5V reference voltage source, DSP voltage temperature detection control device, DS18B20 battery temperature transmitter, network interface and memory, 2.5V reference power supply is connected with MAX132A/D transducer, and MAX132A/D transducer is connected with DSP voltage temperature detection control device with address bus AB1 by data/address bus DB1; DSP voltage temperature detection control device one end is connected with the network interface of band fieldbus function with address bus AB2 by data/address bus DB2, and one end is by data/address bus DB
3with address bus AB
3be connected with memory; DS18B20 battery temperature transmitter is one-wire bus digital integration temperature transmitter, is connected, for measuring vanadium cell stack temperature with DSP voltage temperature detection control device; MAX132A/D transducer detects the output voltage of vanadium cell heap, and inputted by tested voltage end, MAX132A/D transducer requires to be provided with high accuracy, high-resolution reference voltage according to the rules, and 2.5V reference voltage, for analog-to-digital conversion.DSP voltage temperature detection control device is provided with On-off signal simultaneously and exports and USB interface.
Vanadium cell heap is made up of anode electrolyte of vanadium battery fluid reservoir and pump (1) 8, vanadium cell unit 9, vanadium redox battery negative pole electrolyte fluid reservoir and pump (2) 10.
Using electricity system shown in Fig. 2 switches and DC power supply exports 19, is the connecting circuit be made up of switch Q, rectification circuit, three-phase electricity testing circuit, KM contactor and DC output end in described high-power portable trough-electricity energy storage emergency power system.
See Fig. 3, Fig. 7, the operation principle of vanadium cell trough-electricity energy storage emergency power supply is: when main system power normal power supply, main system power one tunnel is successively through main power switch Q21, rectified current, inversion/frequency converter, contactor KM4 ~ KMn, finally connect output, realize the AC-powered of frequency change; Three-phase electricity testing circuit is connected on one tunnel; Another road connects vanadium cell trough-electricity energy-storage system through switch Q22, and under the control of trough-electricity energy storage control system, to the charging of vanadium cell heap.When main system power is stopped power supply suddenly, three-phase electricity testing circuit detects unexpected power failure, under the control of trough-electricity energy storage control system, three-phase electricity testing circuit drives contactor KM3 to close, Simultaneous Switching Q24 connects, trough-electricity energy storage control system sends instruction to fast charging and discharging unit, power by vanadium cell is piled and export DC power supply, electric current one tunnel is through switch Q24, contactor KM3 contact, diode D2 connects the two-way inversion/frequency converter 18 with invert function, contactor KM4 ~ KMn flows to and exchanges output along separate routes, realize the Alternating Current Power Supply of frequency change.When needs direct current supply, under the control of trough-electricity energy storage control system, switch Q23 closes, vanadium cell heap direct output of DC current source.
See Fig. 8, trough-electricity energy storage control system comprises system computerized, display screen, alarm unit, GPRS wireless communication module, is system computerizedly connected with display screen, alarm unit, GPRS wireless communication module respectively.System computerized by Profibus-DP and Modbus fieldbus respectively with charging-discharging controller, inversion/frequency converter, vanadium cell voltage detection unit, vanadium cell temperature detecting unit, manual/auto, vanadium cell pump control system, run control connection.Controller can operate manually or automatically, by fieldbus and GPRS realize wired and remote wireless control and supervision, also can with the peripheral system communication such as fire-fighting linkage system.
Claims (3)
1. a high-power portable trough-electricity energy storage emergency power supply room, the external structure in described power supply room comprises rack module, the Side fascia of escalator handrail, electrically room band heat-insulation layer, the outside heat pipe exchanger of power system modules air-conditioning, power system modules side door rain are taken, power system modules side door, platform handrail; It is characterized in that, the internal structure in described power supply room comprises high-power portable trough-electricity energy storage emergency power system, illuminating lamp, air-conditioning inner heat exchanger, smoke monitoring transducer, humidity detection transducer, electrically room interior floor; Described high-power portable trough-electricity energy storage emergency power system comprises rectification circuit, three-phase electricity testing circuit, KM contactor, switch Q, DC output end, diode D2, two-way inversion/frequency converter, vanadium cell trough-electricity energy-storage system; When main system power normal power supply, main power switch Q21, switch Q22 are closed, and main power switch Q21 mono-tunnel is connected with interchange shunt output through rectification circuit, two-way inversion/frequency converter, KM4 ~ KMn contactor successively; One tunnel drives contactor KM3 through three-phase electricity testing circuit; Another road connects vanadium cell trough-electricity energy-storage system, to vanadium cell heap energy storage charging under the control of trough-electricity energy storage control system; Described vanadium cell trough-electricity energy-storage system comprises vanadium cell heap, fast charging and discharging unit, vanadium cell voltage and temperature detecting unit, trough-electricity energy storage control system; When the unexpected power-off of main system power, under the control of trough-electricity energy storage control system, switch Q24 closes, three-phase electricity testing circuit drives contactor KM3 contacting, and electric vanadium cell connects two-way inversion/frequency converter, KM4 ~ KMn contactor and exchanges output be along separate routes connected through switch Q24, contactor KM3 contact, diode D2 successively; When needs direct current exports, under the control of trough-electricity energy storage control system, switch Q23 closes at any time, and electric vanadium cell directly connects DC output end; Described trough-electricity energy storage control system connects manual/auto control simultaneously.
2. the high-power portable trough-electricity energy storage emergency power supply room of one according to claim 1, it is characterized in that, described two-way inversion/frequency converter comprises voltage conversion circuit, inverter, filter and two-way inverter control circuit, the input signal of voltage conversion circuit takes from the control contact QF21 of access switch unit, the direct current of QF22 exports, when contactor K closes, direct current signal is through electric capacity C1, inductance L 1 and switch transistor T 7 form pulsatory square-wave, by switch transistor T 1, T2, T3, T4, T5, direct current signal is changed into three-phase alternating current by the inverter that T6 and electric capacity C2 forms, by inductance L 2, through output QF31 after the filter filtering that L3 and electric capacity C3 forms, QF32, QF33 exports electricity consumption switch unit to.
3. the high-power portable trough-electricity energy storage emergency power supply room of one according to claim 1, it is characterized in that, described vanadium cell voltage and temperature detecting unit comprise MAX132A/D transducer, 2.5V reference voltage source, DSP voltage temperature detection control device, DS18B20 battery temperature transmitter, network interface and memory, 2.5V reference power supply is connected with MAX132A/D transducer, and MAX132A/D transducer is connected with DSP voltage temperature detection control device with address bus AB1 by data/address bus DB1; DSP voltage temperature detection control device one end is by data/address bus DB
2with address bus AB
2be connected with the network interface of band fieldbus function, one end is by data/address bus DB
3with address bus AB
3be connected with memory; DS18B20 battery temperature transmitter is one-wire bus digital integration temperature transmitter, is connected with DSP voltage temperature detection control device; MAX132A/D transducer detects the output voltage of vanadium cell heap, and inputted by tested voltage end, MAX132A/D transducer requires to be provided with high accuracy, high-resolution reference voltage, 2.5V reference voltage, for analog-to-digital conversion according to the rules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600710.3U CN204103569U (en) | 2014-10-17 | 2014-10-17 | A kind of high-power portable trough-electricity energy storage emergency power supply room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600710.3U CN204103569U (en) | 2014-10-17 | 2014-10-17 | A kind of high-power portable trough-electricity energy storage emergency power supply room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103569U true CN204103569U (en) | 2015-01-14 |
Family
ID=52271970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420600710.3U Active CN204103569U (en) | 2014-10-17 | 2014-10-17 | A kind of high-power portable trough-electricity energy storage emergency power supply room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269904A (en) * | 2014-10-17 | 2015-01-07 | 鞍山宏源环能科技有限公司 | High-power movable type off-peak electricity energy storage emergency power supply house |
-
2014
- 2014-10-17 CN CN201420600710.3U patent/CN204103569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269904A (en) * | 2014-10-17 | 2015-01-07 | 鞍山宏源环能科技有限公司 | High-power movable type off-peak electricity energy storage emergency power supply house |
| CN104269904B (en) * | 2014-10-17 | 2017-04-05 | 鞍山市宏源自动化工程有限公司 | A kind of high-power portable trough-electricity energy storage emergency power supply room |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104348245B (en) | High-efficiency solar charging station for hybrid vehicles | |
| CN204270126U (en) | A kind of family roof photovoltaic stratification management system | |
| CN101814768A (en) | Fuel cell based standby power system | |
| CN107069826A (en) | Build multi-energy complementation comprehensive utilization device | |
| CN106981929A (en) | A kind of energy-conserving and environment-protective wireless remote monitoring system of electric substation communicated based on GPRS | |
| CN204615504U (en) | A kind of emergency power system coordinating energy supply based on photovoltaic generation and civil power | |
| CN201821261U (en) | Backup power supply system based on fuel battery | |
| CN102882232A (en) | Energy storage compensation method and device for rig power grid | |
| CN102957105B (en) | A kind of intelligent substation based on clean energy resource application | |
| CN204103569U (en) | A kind of high-power portable trough-electricity energy storage emergency power supply room | |
| CN204462816U (en) | A kind of Intelligent building energy saving system | |
| CN104269904A (en) | High-power movable type off-peak electricity energy storage emergency power supply house | |
| CN109814497A (en) | A kind of photovoltaic energy-storage system intelligent building device | |
| CN201450291U (en) | Intelligent integrated AC distribution box | |
| CN103117407B (en) | Mobile vanadium electrolyte preparation device and vanadium electrolyte preparation method | |
| CN205123384U (en) | Solar pump system of standing | |
| CN204290440U (en) | A kind of multifuctional solar communication equipment charger | |
| CN107634573A (en) | One kind is applied to Qinghai-xizang Plateau Region self-adapting solar energy electric power system | |
| CN206515681U (en) | A kind of intelligent solar electric power facility information display | |
| CN204349524U (en) | A kind of mining mobile prepackage vanadium cell accumulation power supply room | |
| CN207559682U (en) | Electric power system and power plant | |
| CN214014139U (en) | Solar energy-saving energy-storage type toxin expelling cabinet system | |
| CN205316229U (en) | Lighting system of building public domain | |
| CN214590633U (en) | Energy conversion energy saving and emission reduction equipment system | |
| CN204407997U (en) | The energy-conservation uninterruptible power system of high voltage direct current |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |