CN202197143U - Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment - Google Patents
Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment Download PDFInfo
- Publication number
- CN202197143U CN202197143U CN 201120320608 CN201120320608U CN202197143U CN 202197143 U CN202197143 U CN 202197143U CN 201120320608 CN201120320608 CN 201120320608 CN 201120320608 U CN201120320608 U CN 201120320608U CN 202197143 U CN202197143 U CN 202197143U
- Authority
- CN
- China
- Prior art keywords
- capacity
- links
- power supply
- power
- accumulator body
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment in the underground escape capsule of a coal mine. The switching equipment is characterized in that an AC/DC switching module is connected with an intrinsic safety power supply conversion module by a diode electrically, a high-capacity colloidal storage battery intelligentization long time-resistant float charging device is electrically connected to a high-capacity colloidal storage battery output circuit, and a high-capacity colloidal storage battery discharge protection circuit is electrically connected to an intrinsic safety power supply conversion module. A power supply is ceaseless so as to supply power for electric equipment of the underground escape capsule of the coal mine and conduct intelligentization long-time-resistant float charging for the high-capacity colloidal storage battery, ceaseless conversion between the power supply and the storage battery is ensured when the power supply is cut off, no circuit perfusion exists, battery capacity consumption is avoided, the high-capacity colloidal storage battery can be ensured to supply power for more than 96 hours in disaster, a manpower generator is invested, thus realizing power supply for the electric equipment of the underground escape capsule of the coal mine or charging for the high-capacity colloidal storage battery.
Description
Technical field:
The utility model relates to a kind of ac power power supply and the uninterrupted switch technology of powered battery UPS, the ac power power supply of particularly a kind of colliery down-hole survival capsule and the uninterrupted conversion equipment of large-capacity glue accumulator body.
Background technology:
In the circuit of reserve battery is arranged, increasingly high to the performance requirement of power management and power-switching circuit.Usually this handoff procedure should be avoided user intervention as far as possible, guarantees that energy loss is minimum, when AC power or reserve battery power supply, also will prevent the reverse charging to another power circuit.
In the power-switching circuit of reserve battery is arranged; Adopt electronic switch circuit or relay circuit to switch between ac power power supply and the powered battery mostly; But in the process of switching; The problem that ubiquity lags behind at operate time very easily influences the operate as normal of smart circuit, causes loss of data.
For in the particular surroundings of colliery down-hole survival capsule; Under the hazardous condition; Have special meaning the Survivor of uninterrupted switching in the cabin between ac power power supply and the battery, existing lag behind operate time can not allow, and is related to the reliable assurance of personnel's life in the cabin.
The paper of having delivered that relates to first-class content mainly contains: the improvement and the application of KF1016 is mining multichannel uninterrupted power supply, industrial and mineral automation .2002 the 4th phase .-36-37; The circuit topology analysis of colliery communication equipment uninterrupted power supply and performance compare, industrial and mineral automation .2008 the 3rd phase .-101-104 etc.
The publication that relates to first-class content mainly contains application number: 200620071153.6, and denomination of invention: mine explosion-suppression and intrinsic safety type uninterrupted power supply case; Application number: 200820003254.9, denomination of invention: the flame proof ups power is used in the colliery; Application number: 200820208596.4, denomination of invention: a kind of mine flameproof and intrinsic safety type uninterrupted power supply case etc.
The utility model content:
In order to realize that the colliery down-hole survival capsule is under the catastrophe situation; When not interrupting, the ac power power uses this power supply power supply; And be the anti-long-time floating charge of high-capacity gel intelligent accummulatorization; In the ac power power, have no progeny, guarantee that the large-capacity glue accumulator body uninterruptedly provides power supply for the required power consumption equipment of colliery down-hole survival capsule system.
The technical scheme of the utility model technical problem to be solved is: a kind of ac power power supply and the uninterrupted conversion equipment of large-capacity glue accumulator body are provided; Mainly comprise by the AC/DC modular converter in the flameproof enclosure, the anti-long-time float charger of high-capacity gel intelligent accummulatorization, large-capacity glue accumulator body output circuit, high-capacity gel battery discharging protective circuit, intrinsic safety electric source modular converter and constituting; Its characteristics are that the AC/DC modular converter connects the intrinsic safety electric source modular converter simultaneously through diode electrically, is electrically connected the anti-long-time float charger of high-capacity gel intelligent accummulatorization to large-capacity glue accumulator body output circuit and high-capacity gel battery discharging protective circuit through diode to intrinsic safety electric source modular converter.
Wherein: large-capacity glue accumulator body output circuit comprises: the output of charging circuit links to each other with the positive pole of large-capacity glue accumulator body and the source electrode of FET T1; The negative pole of battery links to each other with GND; The grid of FET T1 links to each other with discharge protection circuit, and the drain electrode output of FET T1 links to each other with the intrinsic safety electric source modular converter through diode D2.
Wherein: high-capacity gel battery discharging protective circuit comprises: the positive pole of battery (being the source electrode of field effect pipe T1) links to each other with the negative electrode of voltage-stabiliser tube DZ1 and an end of resistance R 25; The anode of voltage-stabiliser tube DZ1 links to each other with the end of adjustable resistance W3; The other end of adjustable resistance W3 links to each other with GND; The intermediate point of adjustable resistance W3 links to each other with the base stage of triode T5, and the other end of resistance R 25 links to each other with the grid of FET T1 and an end of resistance R 26, and the other end of resistance R 26 links to each other with the collector electrode of triode T5; The emitter of triode T5 links to each other with GND, and the two ends of switch S 1 are parallelly connected with emitter with the base stage of triode T5 respectively.
Wherein: when the ac power power is not interrupted, be the output voltage of high-capacity gel charge in batteries voltage less than the AC/DC modular converter by the anti-long-time float charger of high-capacity gel intelligent accummulatorization.
Wherein: the anti-long-time float charger of high-capacity gel intelligent accummulatorization; Mainly comprise electronic switch 9, current limliting voltage stabilizing 12, comparison circuit 10, oscillating circuit 11 in the flameproof enclosure; It is through input 8 ends of the DC power supply after the AC/DC conversion as charging circuit, gives the large-capacity glue accumulator body 13 chargings by the circuit of the oscillating circuit 11 of comparison circuit 10 controls, electronic switch 9, current limliting voltage stabilizing 12.
The circuit of electronic switch 9 comprises that input 8 and the source electrode of resistance R 1, R2, FET T3 link; The output of resistance R 1 links to each other with the base stage of triode T7 and the collector electrode of triode T8; Link to each other with GND through capacitor C 3 simultaneously, the emitter of triode T8 links to each other with GND, and the OUT of 555 chips links to each other with the base stage of triode T8 through resistance R 4; The other end of resistance R 2 links to each other with the grid of FET T3; Link to each other with the collector electrode of triode T7 through resistance R 3 then, the emitter of triode T7 links to each other with GND through diode D6, and the drain electrode of FET T3 links to each other with the circuit of current limliting voltage stabilizing 12.
Wherein: through diverter switch SW2 man-power generator is inserted the AC/DC modular converter after the ac power power interruptions of down-hole.
The beneficial effect of the utility model is: the ac power power does not interrupt using this power supply as the required power consumption equipment of colliery down-hole survival capsule system power supply to be provided; And be the anti-long-time floating charge of high-capacity gel intelligent accummulatorization; Especially under the situation of ac power dump; Assurance ac power power supply and large-capacity glue accumulator body are uninterruptedly changed, and do not produce perfusion to another circuit when guaranteeing high-capacity gel storage battery power supply or Alternating Current Power Supply simultaneously, have avoided the loss of battery capacity.Guarantee under the catastrophe situation, realize that the large-capacity glue accumulator body provided power supply for the required power consumption equipment of colliery down-hole survival capsule system more than 96 hours.The input of man-power generator simultaneously realizes power supply being provided or being the high-capacity gel charge in batteries for the required power consumption equipment of colliery down-hole survival capsule system when unlimited.
Description of drawings
Fig. 1. the utility model embodiment schematic diagram;
Fig. 2. the utility model embodiment high-capacity gel battery discharging protective circuit schematic diagram;
Fig. 3. the anti-long-time float charger circuit theory diagrams of the utility model embodiment high-capacity gel intelligent accummulatorization.
Fig. 4. the utility model embodiment man-power generator inserts schematic diagram.
Embodiment
Accompanying drawing number
1.AC/DC modular converter among the figure, the 2. anti-long-time float charger of high-capacity gel intelligent accummulatorization, 3. intrinsic safety electric source modular converter, 4. high-capacity gel battery discharging protective circuit; 5. diode D1,6. diode D2,7. large-capacity glue accumulator body output circuit, 8. input; 9. electronic switch, 10. comparison circuit, 11. oscillating circuits, 12. current limliting voltage stabilizings; 13. the large-capacity glue accumulator body, 14. outputs, 71. FET T1,81. man-power generators; 82. the ac power power supply, 83, diverter switch.
In conjunction with Fig. 1. the utility model embodiment schematic diagram; A kind of ac power power supply and the uninterrupted conversion equipment of large-capacity glue accumulator body; Mainly comprise by the anti-long-time float charger of the AC/DC modular converter 1 in the flameproof enclosure, high-capacity gel intelligent accummulatorization 2, large-capacity glue accumulator body output circuit 7, high-capacity gel battery discharging protective circuit 4, intrinsic safety electric source modular converter 3 and constituting; Its characteristics are that AC/DC modular converter 1 is electrically connected intrinsic safety electric source modular converter 3 simultaneously through diode 5D1, be electrically connected the anti-long-time float charger 2 of high-capacity gel intelligent accummulatorization to large-capacity glue accumulator body output circuit 7 and high-capacity gel battery discharging protective circuit 4 through diode 6D2 to intrinsic safety electric source modular converter 3.
In conjunction with Fig. 2. the utility model embodiment high-capacity gel battery discharging protective circuit schematic diagram; Wherein high-capacity gel battery discharging protective circuit 4 is: the positive pole of battery (being the source electrode of field effect pipe T1) links to each other with the negative electrode of voltage-stabiliser tube DZ1 and an end of resistance R 25; The anode of voltage-stabiliser tube DZ1 links to each other with the end of adjustable resistance W3; The other end of adjustable resistance W3 links to each other with GND; The intermediate point of adjustable resistance W3 links to each other with the base stage of triode T5, and the other end of resistance R 25 links to each other with the grid of FET T1 and an end of resistance R 26, and the other end of resistance R 26 links to each other with the collector electrode of triode T5; The emitter of triode T5 links to each other with GND, and the two ends of switch S 1 are parallelly connected with emitter with the base stage of triode T5 respectively.
When the low minimum discharge voltage to setting of battery discharge voltage; Can cause ending of triode T5, thereby cause ending of FET T1 that battery just stops discharge like this; Switch S 1 is used for being implemented in the process of battery discharge, artificially cuts off the discharge loop of battery.This circuit has prevented the overdischarge of battery, has guaranteed the useful life of battery.
In conjunction with Fig. 3. the anti-long-time float charger circuit theory diagrams of the utility model embodiment high-capacity gel intelligent accummulatorization; The anti-long-time float charger of high-capacity gel intelligent accummulatorization wherein; Mainly comprise electronic switch 9, current limliting voltage stabilizing 12, comparison circuit 10, oscillating circuit 11 in the flameproof enclosure; It is through input 8 ends of the DC power supply after the AC/DC conversion as charging circuit, gives the large-capacity glue accumulator body 13 chargings by the circuit of the oscillating circuit 11 of comparison circuit 10 controls, electronic switch 9, current limliting voltage stabilizing 12.
The circuit of electronic switch 9 comprises that input 8 and the source electrode of resistance R 1, R2, FET T3 link; The output of resistance R 1 links to each other with the base stage of triode T7 and the collector electrode of triode T8; Link to each other with GND through capacitor C 3 simultaneously, the emitter of triode T8 links to each other with GND, and the OUT of 555 chips links to each other with the base stage of triode T8 through resistance R 4; The other end of resistance R 2 links to each other with the grid of FET T3; Link to each other with the collector electrode of triode T7 through resistance R 3 then, the emitter of triode T7 links to each other with GND through diode D6, and the drain electrode of FET T3 links to each other with the circuit of current limliting voltage stabilizing 12.
In conjunction with Fig. 4. the utility model embodiment man-power generator inserts schematic diagram, wherein: have no progeny in the down-hole ac power power supply 82 and through diverter switch 83SW2 man-power generator 81 is inserted AC/DC modular converter 1.
Introduce the anti-long-time float charger operation principle of high-capacity gel intelligent accummulatorization for ease of understanding: when alternating current is arranged; Through the DC power supply after the AC/DC conversion; Input 8 ends as charging circuit; Through electronic switch 9, current limliting voltage stabilizing 12 circuit, give the large-capacity glue accumulator body 13 chargings.Comparison circuit 10 is used to monitor large-capacity glue accumulator body 13 voltages, through comparator, the dividing potential drop and the reference voltage of large-capacity glue accumulator body 13 voltages is compared; When being lower than reference voltage, the comparator output low level, then this moment, oscillating circuit 11 was output as low level; Then there is T8 to end, T7 conducting, T3 conducting; Be electronic switch 9 conductings, power supply is through the current limliting voltage stabilizing circuit, to 13 chargings of large-capacity glue accumulator body.
Otherwise when large-capacity glue accumulator body 13 voltages are higher than set point, both large-capacity glue accumulator body 13 voltages were in the dividing potential drop of input place of comparator during greater than reference voltage; Then comparator is exported high level; This moment, oscillating circuit 11 was output as high level, and the T8 conducting is then arranged, and T7 ends; T3 ends, and stops the charging to battery.
Realized under the situation of long-term floating charge; To the discontinuity of large-capacity glue accumulator body 13, chronicity charging, guarantee large-capacity glue accumulator body 13 under the state that long-term accident free does not drop into, capacity saturated; So that when disaster arriving electrical source of power is cut off; Large-capacity glue accumulator body 13 capacity fully discharge through exporting 14 ends, and fully guaranteeing provided power supply to the required power consumption equipment of colliery down-hole survival capsule system more than 96 hours, have improved the useful life of storage battery simultaneously.
Wherein: when the ac power power is not interrupted, be the output voltages of large-capacity glue accumulator body 13 charging voltages less than AC/DC modular converter 1 by the anti-long-time float charger 2 of high-capacity gel intelligent accummulatorization.
Be convenient to ac power power supply and the uninterrupted conversion equipment operation principle of large-capacity glue accumulator body are introduced in the understanding of the utility model: under the situation of Alternating Current Power Supply; Direct current by 1 output of AC/DC modular converter; One the tunnel is input to intrinsic safety electric source modular converter 3 through diode 5D1, and the required power consumption equipment of survival capsule system uses under the output intrinsic safety electric source coal supply mine.Simultaneously, another road anti-long-time float charger 2 of confession high-capacity gel intelligent accummulatorization is 13 chargings of large-capacity glue accumulator body.
Under normal operation, when existing ac power is electric, be 13 chargings of large-capacity glue accumulator body by the anti-long-time float charger 2 of high-capacity gel intelligent accummulatorization.Because the charging voltage of large-capacity glue accumulator body 13 ends is necessarily less than the output voltage of AC/DC modular converter 1; So having under the condition of alternating current; It is the electrical source of power that the intrinsic safety electric source modular converter is provided by interchange; And because the existence of diode 6D2 makes the output voltage of AC/DC modular converter 1 can oppositely not flow in the high-capacity gel storage battery output circuit 7.
And at accident condition; Be under the state of ac power power interruptions; Because not output of AC/DC modular converter 1; And the FET 71T1 of large-capacity glue accumulator body output circuit 7 is in conducting state, and just can realize that ac power power supply and large-capacity glue accumulator body uninterruptedly change this moment.And owing in the output loop of AC/DC modular converter 1, be provided with diode 5D1, therefore, when 13 outputs of large-capacity glue accumulator body, do not have electric current and flow back to AC/DC modular converter 1, avoided the loss of battery capacity.
Through diverter switch 83SW2 man-power generator 81 is inserted AC/DC modular converter 1 owing to have no progeny in the down-hole ac power power supply 82.Under the situation that ac power power supply 82 is arranged, for colliery down-hole survival capsule system power consumption equipment electric power is provided by ac power power supply 82, give the large-capacity glue accumulator body 13 chargings simultaneously; In ac power power supply 82, have no progeny, by 13 discharges of large-capacity glue accumulator body, power consumption equipment provides the support of the electric power more than 96 hours to colliery down-hole survival capsule system; Because the access of man-power generator 81 not only can directly provide electric power for survival capsule system power consumption equipment under the coal mine; Simultaneously can also be to 13 chargings of large-capacity glue accumulator body, so just realized for colliery down-hole survival capsule system power consumption equipment the electric power support being provided when unlimited.
Claims (7)
1. ac power power supply and the uninterrupted conversion equipment of large-capacity glue accumulator body; Mainly comprise by the AC/DC modular converter in the flameproof enclosure, the anti-long-time float charger of high-capacity gel intelligent accummulatorization, large-capacity glue accumulator body output circuit, high-capacity gel battery discharging protective circuit, intrinsic safety electric source modular converter and constituting; Be characterised in that: the AC/DC modular converter connects the intrinsic safety electric source modular converter simultaneously through diode electrically, is electrically connected the anti-long-time float charger of high-capacity gel intelligent accummulatorization to large-capacity glue accumulator body output circuit and high-capacity gel battery discharging protective circuit through diode to intrinsic safety electric source modular converter.
2. a kind of ac power power supply according to claim 1 and the uninterrupted conversion equipment of large-capacity glue accumulator body; Be characterised in that large-capacity glue accumulator body output circuit comprises: the output of charging circuit links to each other with the positive pole of large-capacity glue accumulator body and the source electrode of FET T1; The negative pole of battery links to each other with GND; The grid of FET T1 links to each other with discharge protection circuit, and the drain electrode output of FET T1 links to each other with the intrinsic safety electric source modular converter through diode D2.
3. a kind of ac power power supply according to claim 1 and the uninterrupted conversion equipment of large-capacity glue accumulator body; Be characterised in that high-capacity gel battery discharging protective circuit comprises: the positive pole of battery; Be the source electrode of field effect pipe T1, link to each other that the anode of voltage-stabiliser tube DZ1 links to each other with the end of adjustable resistance W3 with the negative electrode of voltage-stabiliser tube DZ1 and an end of resistance R 25; The other end of adjustable resistance W3 links to each other with GND; The intermediate point of adjustable resistance W3 links to each other with the base stage of triode T5, and the other end of resistance R 25 links to each other with the grid of FET T1 and an end of resistance R 26, and the other end of resistance R 26 links to each other with the collector electrode of triode T5; The emitter of triode T5 links to each other with GND, and the two ends of switch S 1 are parallelly connected with emitter with the base stage of triode T5 respectively.
4. a kind of ac power power supply according to claim 1 and the uninterrupted conversion equipment of large-capacity glue accumulator body; Be characterised in that: when the ac power power is not interrupted, be the output voltage of high-capacity gel charge in batteries voltage less than the AC/DC modular converter by the anti-long-time float charger of high-capacity gel intelligent accummulatorization.
5. a kind of ac power power supply according to claim 2 and the uninterrupted conversion equipment of large-capacity glue accumulator body; Be characterised in that high-capacity gel battery discharging protective circuit comprises: the positive pole of battery; Be the source electrode of field effect pipe T1, link to each other that the anode of voltage-stabiliser tube DZ1 links to each other with the end of adjustable resistance W3 with the negative electrode of voltage-stabiliser tube DZ1 and an end of resistance R 25; The other end of adjustable resistance W3 links to each other with GND; The intermediate point of adjustable resistance W3 links to each other with the base stage of triode T5, and the other end of resistance R 25 links to each other with the grid of FET T1 and an end of resistance R 26, and the other end of resistance R 26 links to each other with the collector electrode of triode T5; The emitter of triode T5 links to each other with GND; The two ends of switch S 1 are parallelly connected with emitter with the base stage of triode T5 respectively, when the ac power power is not interrupted, are the output voltage of high-capacity gel charge in batteries voltage less than the AC/DC modular converter by the anti-long-time float charger of high-capacity gel intelligent accummulatorization.
6. a kind of ac power power supply according to claim 3 and the uninterrupted conversion equipment of large-capacity glue accumulator body; Be characterised in that: when the ac power power is not interrupted, be the output voltage of high-capacity gel charge in batteries voltage less than the AC/DC modular converter by the anti-long-time float charger of high-capacity gel intelligent accummulatorization.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of ac power power supply and the uninterrupted conversion equipments of large-capacity glue accumulator body, be characterised in that: through diverter switch SW2 man-power generator is inserted the AC/DC modular converter after the ac power power interruptions of down-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120320608 CN202197143U (en) | 2011-08-22 | 2011-08-22 | Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120320608 CN202197143U (en) | 2011-08-22 | 2011-08-22 | Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202197143U true CN202197143U (en) | 2012-04-18 |
Family
ID=45952042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120320608 Expired - Lifetime CN202197143U (en) | 2011-08-22 | 2011-08-22 | Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202197143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808841A (en) * | 2018-06-29 | 2018-11-13 | 南方电网科学研究院有限责任公司 | A kind of Power transfer system and intelligent electric energy meter |
-
2011
- 2011-08-22 CN CN 201120320608 patent/CN202197143U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808841A (en) * | 2018-06-29 | 2018-11-13 | 南方电网科学研究院有限责任公司 | A kind of Power transfer system and intelligent electric energy meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102545291A (en) | Solar power storage system and solar power supply system | |
| CN202333830U (en) | Energy storage converter with storage battery for distributed power system | |
| CN202564995U (en) | Multichannel battery pack charge-discharge control device | |
| CN105576776A (en) | Lithium ion storage battery power and communication DC power system | |
| CN108631391A (en) | A kind of lithium battery energy storage battery system of high-power height output rate | |
| CN203151176U (en) | A mining explosion-isolating and intrinsically safe uninterruptible DC power supply based on STM32 | |
| CN205319726U (en) | Safe hot plug formula battery supply system | |
| CN103532480A (en) | Power device of high-voltage direct current power transmission line fault monitoring terminal | |
| CN104617652A (en) | Battery supply device of portable terminal | |
| CN205407350U (en) | Lithium ion battery electric power and for communication DC power supply system | |
| CN202197143U (en) | Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment | |
| CN202616809U (en) | Battery module, battery system and direct current screen power supply system | |
| CN203180619U (en) | Continuous power supply conversion equipment for AC power source and multi-group storage battery | |
| CN202997672U (en) | Novel mining intrinsic safe power supply | |
| CN102427264A (en) | Design method of solar power supply controller | |
| CN206461428U (en) | A kind of circuit module connected for ship'ssupply | |
| CN205265279U (en) | Novel charge -discharge management system of multichannel group battery | |
| CN201946122U (en) | Wind energy, solar energy and electric energy complemented traffic signal light | |
| CN202374028U (en) | Uninterrupted power supply for mine underground personnel positioning card reader | |
| CN208581052U (en) | Relay driving control circuit and its manufactured photovoltaic energy storage inverter | |
| CN208154343U (en) | A kind of automatic complementary power supply roadway lighting system of multimode | |
| CN202679052U (en) | High-capacity explosion-proof type uninterruptible power supply system and explosion-proof cavity | |
| CN202444261U (en) | Intelligent integrated main wiring system for power sources | |
| CN201623513U (en) | Electrical energy distributor circuit and mobile terminal | |
| CN105186548A (en) | Electric network terminal energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Co., Ltd of Shenyang research institute of Mei Ke group Assignor: Shenyang Institute of China Coal Research Institute Contract record no.: 2014210000080 Denomination of utility model: Ceaseless alternating current power supply and high-capacity colloidal storage battery switching equipment Granted publication date: 20120418 License type: Exclusive License Record date: 20141011 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
|
| CX01 | Expiry of patent term |