CN205335968U - NULL uninterrupted power source - Google Patents
NULL uninterrupted power source Download PDFInfo
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- CN205335968U CN205335968U CN201521123433.2U CN201521123433U CN205335968U CN 205335968 U CN205335968 U CN 205335968U CN 201521123433 U CN201521123433 U CN 201521123433U CN 205335968 U CN205335968 U CN 205335968U
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Abstract
The utility model provides a NULL uninterrupted power source, relates to DC power supply technical field, and that solve is the technical problem for the underground equipment power supply. This power includes a plurality of whole confined flame proof casees, and each flame proof incasement is equipped with the group battery respectively, hands over the DC inversion ware, switches module, rectifier module, this ampere of power module, and is used for the control of charge and discharge module of control batteries group charge -discharge, normal condition is down by main mains operated, utilizes to switch the module and switch to the group battery and supply power under the condition of main power source outage. The utility model provides a power is particularly suitable for the colliery and uses in the environment including explosion hazard such as gas, coal dusts in the pit.
Description
Technical field
This utility model relates to DC source technology, particularly relates to the technology of a kind of Flameproof and intrinsically safe uninterrupted power source。
Background technology
At present, the underground power supply used equipment of China's coal-mine is progressively adopting flame proof or intrinsic safety type configuration, but owing to flame proof or intrinsic safety type equipment are all the Sealing Arrangements of steel shell, just seldom opens once closing, internal components repair and replacement difficulty。Once generation mains power failure, when not having back-up source, communication and information Transmission caused by power failure are quite serious on the impact of underground coal mine production operation。
Utility model content
For the defect existed in above-mentioned prior art, technical problem to be solved in the utility model is to provide a kind of colliery downhole equipment that is suitable for and uses, can be that underground equipment is powered when main power source power-off, it is thus possible to ensure the Flameproof and intrinsically safe uninterrupted power source that underground equipment can run continually and steadily。
In order to solve above-mentioned technical problem, a kind of Flameproof and intrinsically safe uninterrupted power source provided by the utility model, it is characterized in that: include the Flameproof box of multiple integrally closed, set of cells, alternating current-direct current inverter, handover module, rectification module, intrinsic safety electric source module it is respectively provided with in each Flameproof box, and for controlling the charge and discharge control module of battery set charge/discharge；
The ac input end of described rectification module receives alternating current power supply, the DC output end of rectification module receives the power input of charge and discharge control module, set of cells is received in the charging end of charge and discharge control module, the outfan of described set of cells is equipped with being used for detecting the voltage sensor of its output voltage, the feedback signal input terminal of charge and discharge control module received by the induced signal outfan of this voltage sensor, and the direct-flow input end of alternating current-direct current inverter receives set of cells；
Described handover module includes dpdt relay, alternating current filter, the input of described alternating current filter receives alternating current power supply through the normally opened contact of dpdt relay, and the ac output end of alternating current-direct current inverter is received through the normally-closed contact of dpdt relay, the ac input end of intrinsic safety electric source module received by the outfan of alternating current filter, and the control coil of dpdt relay drives pipe to receive the DC output end of rectification module through one。
The Flameproof and intrinsically safe uninterrupted power source that this utility model provides, adopt set of cells as stand-by power supply, can be that to be switched to set of cells by handover module be that underground equipment is powered in main power source power-off, it is thus possible to ensure that underground equipment can run continually and steadily, ensure the control normal operation of underground coal mine necessaries, be particularly suitable in the underground coal mine environment containing the explosion danger such as gas, coal dust and use。
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the Flameproof and intrinsically safe uninterrupted power source of this utility model embodiment；
Fig. 2 is the circuit diagram of the switching circuit in the Flameproof and intrinsically safe uninterrupted power source of this utility model embodiment。
Detailed description of the invention
Illustrate embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing; but the present embodiment is not limited to this utility model; every employing analog structure of the present utility model and similar change thereof; all should listing protection domain of the present utility model in, the pause mark in this utility model all represents the relation of sum。
As shown in Figure 1, a kind of Flameproof and intrinsically safe uninterrupted power source that this utility model embodiment provides, it is characterized in that: include the Flameproof box of multiple integrally closed, set of cells, alternating current-direct current inverter, handover module, rectification module, intrinsic safety electric source module it is respectively provided with in each Flameproof box, and for controlling the charge and discharge control module of battery set charge/discharge；
The ac input end of described rectification module receives alternating current power supply, the DC output end of rectification module receives the power input of charge and discharge control module, set of cells is received in the charging end of charge and discharge control module, the outfan of described set of cells is equipped with being used for detecting the voltage sensor of its output voltage, the feedback signal input terminal of charge and discharge control module received by the induced signal outfan of this voltage sensor, and the direct-flow input end of alternating current-direct current inverter receives set of cells；
As shown in Figure 2, described handover module includes dpdt relay J1, alternating current filter EMC1, the input of described alternating current filter EMC1 receives alternating current power supply (L1, N1) through the normally opened contact of dpdt relay J1, and the ac output end (L2, N2) of alternating current-direct current inverter is received through the normally-closed contact of dpdt relay J1, the ac input end of intrinsic safety electric source module received by the outfan (L3, N3) of alternating current filter EMC1, and the control coil of dpdt relay J1 drives pipe Q1 to receive the DC output end of rectification module through one。
In this utility model embodiment, described driving pipe Q1 is audion, and described rectification module, intrinsic safety electric source module, charge and discharge control module are prior art, and intrinsic safety electric source module can adopt the commercially available power module combination meeting coal peace standard。
The operation principle of this utility model embodiment is as follows:
The alternating current of municipal administration electrical network divides two-way to input, being converted to unidirectional current after the rectified module of first via alternating current is set of cells charging, the output by voltage sensor senses set of cells of the charge and discharge control module, set of cells is carried out management of charging and discharging, the unidirectional current of rectification module output is powered to the control coil of dpdt relay J1 by driving pipe Q1, make the normally opened contact of dpdt relay J1 and movable contact adhesive, now the second road alternating current by dpdt relay J1, alternating current filter EMC1 to intrinsic safety electric source module for power supply；
When municipal administration grid collapses power-off, the control coil dead electricity of dpdt relay J1, make the normally-closed contact of dpdt relay J1 and movable contact adhesive, now set of cells by alternating current-direct current inverter, dpdt relay J1, alternating current filter EMC1 to intrinsic safety electric source module for power supply。
This utility model embodiment is particularly suitable in the underground coal mine environment containing the explosion danger such as gas, coal dust to use。
Claims (1)
1. a Flameproof and intrinsically safe uninterrupted power source, it is characterized in that: include the Flameproof box of multiple integrally closed, set of cells, alternating current-direct current inverter, handover module, rectification module, intrinsic safety electric source module it is respectively provided with in each Flameproof box, and for controlling the charge and discharge control module of battery set charge/discharge；
The ac input end of described rectification module receives alternating current power supply, the DC output end of rectification module receives the power input of charge and discharge control module, set of cells is received in the charging end of charge and discharge control module, the outfan of described set of cells is equipped with being used for detecting the voltage sensor of its output voltage, the feedback signal input terminal of charge and discharge control module received by the induced signal outfan of this voltage sensor, and the direct-flow input end of alternating current-direct current inverter receives set of cells；
Described handover module includes dpdt relay, alternating current filter, the input of described alternating current filter receives alternating current power supply through the normally opened contact of dpdt relay, and the ac output end of alternating current-direct current inverter is received through the normally-closed contact of dpdt relay, the ac input end of intrinsic safety electric source module received by the outfan of alternating current filter, and the control coil of dpdt relay drives pipe to receive the DC output end of rectification module through one。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123433.2U CN205335968U (en) | 2015-12-31 | 2015-12-31 | NULL uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123433.2U CN205335968U (en) | 2015-12-31 | 2015-12-31 | NULL uninterrupted power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335968U true CN205335968U (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521123433.2U Active CN205335968U (en) | 2015-12-31 | 2015-12-31 | NULL uninterrupted power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972739A (en) * | 2016-08-31 | 2017-07-21 | 重庆乾威科技有限公司 | It is a kind of with direct current and exchange output portable programmable multifunctional power conversion equipment |
-
2015
- 2015-12-31 CN CN201521123433.2U patent/CN205335968U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972739A (en) * | 2016-08-31 | 2017-07-21 | 重庆乾威科技有限公司 | It is a kind of with direct current and exchange output portable programmable multifunctional power conversion equipment |
| CN106972739B (en) * | 2016-08-31 | 2020-01-24 | 重庆乾威科技有限公司 | Portable programmable multifunctional power supply conversion device with direct current and alternating current output |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180906 Address after: 200434 room 808, Wu Dong Road, Yangpu District, Shanghai, 808 Patentee after: Shanghai Co., Ltd of Zhong Meike work group Address before: 201401 Shanghai Fengxian District Shanghai Hangzhou highway 1589 Patentee before: Shanghai Coal & Science Industrial Co., Ltd. |
|
| TR01 | Transfer of patent right |