CN109120066A - A kind of coal mine electric power monitoring system transmission device - Google Patents
A kind of coal mine electric power monitoring system transmission device Download PDFInfo
- Publication number
- CN109120066A CN109120066A CN201810970293.4A CN201810970293A CN109120066A CN 109120066 A CN109120066 A CN 109120066A CN 201810970293 A CN201810970293 A CN 201810970293A CN 109120066 A CN109120066 A CN 109120066A
- Authority
- CN
- China
- Prior art keywords
- inlet wire
- fixedly connected
- power supply
- shell
- package shell
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000006698 induction Effects 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 210000000481 breast Anatomy 0.000 claims description 3
- 230000004075 alteration Effects 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- H02J13/0062—
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
It include explosion-proof inlet wire component, power monitoring component and ring exchanger component the invention discloses a kind of coal mine electric power monitoring system transmission device, the explosion-proof inlet wire component includes inlet wire package shell, control panel, incoming switch, incoming power and voltage transformer；By the way that voltage transformer is arranged, induction power supply is generated by incoming power and provides electricity needs for apparatus of electrical monitoring equipment, as long as input circuit has electricity to ensure that the various components of apparatus of electrical monitoring equipment have power supply, ensure the reliability of power monitoring component power supply, it will be on Power supply alteration to input circuit, when failure, decision circuitry fault point can be gone to by the first indicator light and the second indicator light, to take emergency measures, it restores electricity in time, the real-time remote monitoring to underground equipment is ensured, substantially reduce power supply influence time, improve the reliability of monitoring system, ensure the safe power supply of underground.
Description
Technical field
The invention belongs to underground coal mine power monitoring technical fields more particularly to a kind of transmission of coal mine electric power monitoring system to set
It is standby.
Background technique
Coal mine electric power monitoring system is by ground in face of the operation of its working section sub station high-low pressure monitoring of tools and breaking-closing operating
System, the system my mine working section sub station realize automation it is unattended.
System power supply design is derived from the comprehensive guarantor's 127V power supply of Underground Substation institute intraoral illumination by original electric power monitoring system, by
It is unable to distant place divide-shut brake in illumination integrated protection equipment, in-situ FTIR spectroelectrochemitry power transmission need to be manually reached when power down, during which remotely monitors and is
System non-transformer, cannot constantly monitor underground equipment, closing operation can not be carried out to its underground high-low pressure equipment, to safe power supply
There are certain security risks.
Summary of the invention
The present invention provides a kind of coal mine electric power monitoring system transmission device, it is intended to solve original electric power monitoring system system
System power supply design is derived from the comprehensive guarantor's 127V power supply of Underground Substation institute intraoral illumination, since illumination integrated protection equipment is unable to distant place divide-shut brake,
In-situ FTIR spectroelectrochemitry power transmission need to be manually reached when power down, during which remote monitoring system non-transformer, cannot constantly monitor underground equipment,
Closing operation can not be carried out to its underground high-low pressure equipment, there are problems that certain security risk to safe power supply.
The invention is realized in this way a kind of coal mine electric power monitoring system transmission device, including explosion-proof inlet wire component, electric power
Monitor component and ring exchanger component, the explosion-proof inlet wire component include inlet wire package shell, control panel, incoming switch,
Incoming power and voltage transformer, the control panel are fixedly connected with the inlet wire package shell, and are located at the inlet wire group
The upper left side of the inner sidewall of part shell, the incoming switch are fixedly connected with the inlet wire package shell, and are located at the inlet wire
The upper right side of the lateral wall of package shell, the incoming power are fixedly connected with the inlet wire package shell, and be located at it is described into
At the bosom position of line package shell, the voltage transformer is fixedly connected with the inlet wire package shell, and is located at institute
It is electric with incoming power to state the lower section of incoming power, first indicator light and second indicator light and the voltage transformer
Property connection；
The power monitoring component includes the first conducting wire, supervision system power case, monitoring power supply and first interface, and described the
One conducting wire is fixedly connected with the inlet wire package shell, and is located at the lower section of the inlet wire package shell, the monitoring system electricity
Source case is fixedly connected with first conducting wire, and is located at the right side of first conducting wire, and the monitoring power supply and the monitoring are
System power supply box be fixedly connected, and be located at the supervision system power case inner sidewall the lower left corner, the first interface with it is described
Supervision system power case is fixedly connected, and is located at the right side of the monitoring power supply；
The ring exchanger component includes the second conducting wire, ring exchanger shell, second interface and current transformer, institute
It states the second conducting wire to be fixedly connected with the first interface, and is located at the right side of the first interface, the ring exchanger shell
It is fixedly connected with second conducting wire, and is located at the right side of the inlet wire package shell, the second interface and the looped network are handed over
Shell of changing planes is fixedly connected, and be located at the ring exchanger shell right side inner sidewall on, the current transformer with it is described
Ring exchanger shell is fixedly connected, and is located on the left side inner sidewall of the ring exchanger shell, the current transformer
It is electrically connected with the monitoring power supply with the breaker of plastic casing.
The present invention also provides preferred, the explosion-proof inlet wire component further includes first indicator light, first instruction
Lamp is fixedly connected with the inlet wire package shell, and is located at the lower section of the control panel.
The present invention also provides preferred, the explosion-proof inlet wire component further includes second indicator light, second instruction
Lamp is fixedly connected with the inlet wire package shell, and is located on the top outer wall of the inlet wire package shell.
The present invention also provides preferred, the explosion-proof inlet wire component further includes the induction power supply, the induction power supply with
The inlet wire package shell is fixedly connected, and is located at the lower section of the voltage transformer.
The present invention also provides preferred, the ring exchanger component further includes the breaker of plastic casing, and the plastic housing is disconnected
Road device is fixedly connected with the ring exchanger shell, and is located at the lower section of the current transformer.
The present invention also provides preferred, the ring exchanger component further includes the signal picker, and the signal is adopted
Storage is fixedly connected with the ring exchanger shell, and is located on the bottom inside wall of the ring exchanger shell.
The present invention also provides preferred, the control panel is fixedly connected with the inlet wire package shell, and is located at described
The upper left corner of inlet wire package shell.
The present invention also provides preferred, the explosion-proof inlet wire component further includes the switch controller, the switch control
Device is fixedly connected with the inlet wire package shell, and is located at the lower section of the induction power supply.
Compared with prior art, the beneficial effects of the present invention are: a kind of coal mine electric power monitoring system transmission of the invention is set
It is standby that induction power supply is generated by incoming power and provides electricity needs for apparatus of electrical monitoring equipment by setting voltage transformer, as long as into
Line circuit have electricity ensure that the various components of apparatus of electrical monitoring equipment have power supply, it is ensured that power monitoring component power supply it is reliable
Property, by Power supply alteration to input circuit, when failure, decision circuitry can be gone by the first indicator light and the second indicator light therefore
Barrier point restores electricity in time to take emergency measures, and has ensured to the real-time remote monitoring of underground equipment, has substantially reduced
Power supply influence time, improves the reliability of monitoring system, it is ensured that the safe power supply of underground.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is the structural schematic diagram of incoming switch of the present invention；
Fig. 3 is the structural schematic diagram of ring exchanger of the present invention；
The explosion-proof inlet wire component of 1- in figure, 2- power monitoring component, 3- ring exchanger component, 11- switch block shell,
The first indicator light of 12-, 13- control panel, the second indicator light of 14-, 15- incoming switch, 16- incoming power, 17- mutual induction of voltage
Device, 18- induction power supply, the quick-fried incoming switch of 19- high, the first conducting wire of 21-, 22- supervision system power case, 23- monitor power supply, 24-
One 485 interface, the second conducting wire of 31-, 32- ring exchanger shell, the 2nd 485 interface of 33-, 34- current transformer, 35- modeling
Case circuit breaker, 36- new signal collector.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of coal mine electric power monitoring system transmission device, including
Explosion-proof inlet wire component 1, power monitoring component 2 and ring exchanger component 3, explosion-proof inlet wire component 1 include inlet wire package shell 11,
Control panel 13, incoming switch 15, incoming power 16 and voltage transformer 17, control panel 13 and inlet wire package shell 11 are fixed
Connection, and it is located at the upper left side of the inner sidewall of inlet wire package shell 11, incoming switch 15 is fixedly connected with inlet wire package shell 11,
And it is located at the upper right side of the lateral wall of inlet wire package shell 11, incoming power 16 is fixedly connected with inlet wire package shell 11, and position
At the bosom position of inlet wire package shell 11, voltage transformer 17 is fixedly connected with inlet wire package shell 11, and is located at
The lower section of incoming power 16, first indicator light 12 and second indicator light 14 and the voltage transformer 17 are and inlet wire
Power supply 16 is electrically connected；
Power monitoring component 2 includes the first conducting wire 21, supervision system power case 22, monitoring power supply 23 and the one 485 interface
24, the first conducting wire 21 is fixedly connected with inlet wire package shell 11, and is located at the lower section of inlet wire package shell 11, supervision system power
Case 22 is fixedly connected with the first conducting wire 21, and is located at the right side of the first conducting wire 21, monitoring power supply 23 and supervision system power case 22
It is fixedly connected, and is located at the lower left corner of the inner sidewall of supervision system power case 22, the one 485 interface 24 and supervision system power case
22 are fixedly connected, and are located at the right side of monitoring power supply 23；
Ring exchanger component 3 includes that the second conducting wire 31, ring exchanger shell 32, the 2nd 485 interface 33 and electric current are mutual
Sensor 34, the second conducting wire 31 are fixedly connected with the one 485 interface 24, and are located at the right side of the one 485 interface 24, ring exchanger
Shell 32 is fixedly connected with the second conducting wire 31, and is located at the right side of inlet wire package shell 11, and the 2nd 485 interface 33 is exchanged with looped network
Machine shell 32 is fixedly connected, and is located on the right side inner sidewall of ring exchanger shell 32, and current transformer 34 is exchanged with looped network
Machine shell 32 is fixedly connected, and is located on the left side inner sidewall of ring exchanger shell 32, the current transformer 34 and described
Breaker of plastic casing 35 is electrically connected with the monitoring power supply 23.
In the present embodiment, coal mine power monitoring component source is changed to and is derived from inlet wire high-explosive switch voltage transformer in institute
100V power supply has ensured the stability of power supply, and inlet wire height is quick-fried electricity, and just there is electricity in coal mine power monitoring component source.
Further, explosion-proof inlet wire component 1 further includes the first indicator light 12, the first indicator light 12 and inlet wire package shell 11
It is fixedly connected, and is located at the lower section of control panel 13.
In the present embodiment, the first indicator light 12 acts on induction line, when induction power supply circuit clear, first
12 normal luminous of indicator light, works as circuit malfunctions, then the first indicator light 12 extinguishes.
Further, explosion-proof inlet wire component 1 further includes the second indicator light 14, the second indicator light 14 and inlet wire package shell 11
It is fixedly connected, and is located on the top outer wall of inlet wire package shell 11.
In the present embodiment, the second indicator light 14 acts in the high quick-fried circuit of inlet wire, when input circuit has electric current, then
Second indicator light 14 shines, and then extinguishes when no current passes through, convenient for users to judging it is which part route breaks down in time.
Further, explosion-proof inlet wire component 1 further includes induction power supply 18, and induction power supply 18 and inlet wire package shell 11 are fixed
Connection, and it is located at the lower section of voltage transformer 17.
In the present embodiment, the induced voltage of induction power supply 18 is 100V, the work electricity with supervision system power case 22
It presses identical.
Further, ring exchanger component 3 further includes breaker of plastic casing 35, outside breaker of plastic casing 35 and ring exchanger
Shell 32 is fixedly connected, and is located at the lower section of current transformer 34.
In the present embodiment, breaker of plastic casing 35 has primarily served the effect of protection circuit, when monitoring underground equipment
When voltage exceeds normal range (NR), breaker of plastic casing 35 will cut off the power, and protection circuit is so as to avoid an accident.
Further, ring exchanger component 3 further includes signal picker 36, outside signal picker 36 and ring exchanger
Shell 32 is fixedly connected, and is located on the bottom inside wall of ring exchanger shell 32.
In the present embodiment, signal picker 36 is mainly the operating voltage data of each equipment under production wells, then
It feeds back on the processor of monitoring system.
Further, control panel is fixedly connected with inlet wire package shell, and is located at the upper left corner of inlet wire package shell.
In the present embodiment, control panel 13 works as generation mainly convenient for users to the switch control to whole system
It can quickly take emergency measures when failure, to avoid accident.
Further, explosion-proof inlet wire component 1 further includes switch controller 19, switch controller 19 and inlet wire package shell 11
It is fixedly connected, and is located at the lower section of induction power supply 18.
In the present embodiment, switch controller 19 is mainly that electric power monitoring system provides continual and steady power supply,
The switch of controllable monitoring system makes emergency measure when facilitating unexpected occur in time.
The working principle of the invention and process for using: after the present invention installs, incoming switch 15 and switch control are connected
Device 19, incoming power 16 generate induced voltage under the action of voltage transformer 17, and induction power supply 18 then drives power monitoring system
The monitoring power supply 23 of system is powered, and the one 485 interface 24 and the 2nd 485 interface 33 are electrically connected by the second conducting wire 31, letter
Number collector 36 is then acquired the operating voltage of each equipment in underground, then in feedback to the processor of monitoring system, when
When some equipment operating voltage is abnormal, current blocking is ensured the safety of circuit, circuit malfunctions by breaker of plastic casing 35
When, can by the first indicator light 12 and the second indicator light 14, whether normal luminous judges it is which partial circuit breaks down, can
Troubleshooting is carried out rapidly, completes a kind of process for using of coal mine electric power monitoring system transmission device.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.
Claims (8)
1. a kind of coal mine electric power monitoring system transmission device, it is characterised in that: including explosion-proof inlet wire component, power monitoring component and
Ring exchanger component, the explosion-proof inlet wire component include inlet wire package shell, control panel, incoming switch, incoming power and
Voltage transformer, the control panel are fixedly connected with the inlet wire package shell, and are located at the interior of the inlet wire package shell
The upper left side of side wall, the incoming switch are fixedly connected with the inlet wire package shell, and are located at the inlet wire package shell
The upper right side of lateral wall, the incoming power are fixedly connected with the inlet wire package shell, and are located at the inlet wire package shell
Bosom position at, the voltage transformer is fixedly connected with the inlet wire package shell, and be located at the incoming power
Lower section, first indicator light and second indicator light and the voltage transformer are electrically connected with incoming power；
The power monitoring component includes the first conducting wire, supervision system power case, monitoring power supply and first interface, and described first leads
Line is fixedly connected with the inlet wire package shell, and is located at the lower section of the inlet wire package shell, the supervision system power case
It is fixedly connected with first conducting wire, and is located at the right side of first conducting wire, the monitoring power supply and monitoring system electricity
Source case is fixedly connected, and is located at the lower left corner of the inner sidewall of the supervision system power case, the first interface and the monitoring
System power supply case is fixedly connected, and is located at the right side of the monitoring power supply；
The ring exchanger component includes the second conducting wire, ring exchanger shell, second interface and current transformer, and described the
Two conducting wires are fixedly connected with the first interface, and are located at the right side of the first interface, the ring exchanger shell and institute
It states the second conducting wire to be fixedly connected, and is located at the right side of the inlet wire package shell, the second interface and the ring exchanger
Shell is fixedly connected, and is located on the right side inner sidewall of the ring exchanger shell, the current transformer and the looped network
Interchanger shell is fixedly connected, and is located on the left side inner sidewall of the ring exchanger shell, the current transformer and institute
Breaker of plastic casing is stated to be electrically connected with the monitoring power supply.
2. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the explosion-proof inlet wire group
Part further includes first indicator light, and first indicator light is fixedly connected with the inlet wire package shell, and is located at the control
The lower section of panel processed.
3. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the explosion-proof inlet wire group
Part further includes second indicator light, and second indicator light is fixedly connected with the inlet wire package shell, and be located at it is described into
On the top outer wall of line package shell.
4. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the explosion-proof inlet wire group
Part further includes the induction power supply, and the induction power supply is fixedly connected with the inlet wire package shell, and it is mutual to be located at the voltage
The lower section of sensor.
5. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the ring exchanger
Component further includes the breaker of plastic casing, and the breaker of plastic casing is fixedly connected with the ring exchanger shell, and is located at institute
State the lower section of current transformer.
6. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the ring exchanger
Component further includes the signal picker, and the signal picker is fixedly connected with the ring exchanger shell, and is located at institute
It states on the bottom inside wall of ring exchanger shell.
7. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the control panel with
The inlet wire package shell is fixedly connected, and is located at the upper left corner of the inlet wire package shell.
8. a kind of coal mine electric power monitoring system transmission device as described in claim 1, it is characterised in that: the explosion-proof inlet wire group
Part further includes the switch controller, and the switch controller is fixedly connected with the inlet wire package shell, and is located at the sense
Answer the lower section of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970293.4A CN109120066B (en) | 2018-08-24 | 2018-08-24 | Colliery electric power monitored control system transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970293.4A CN109120066B (en) | 2018-08-24 | 2018-08-24 | Colliery electric power monitored control system transmission equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109120066A true CN109120066A (en) | 2019-01-01 |
| CN109120066B CN109120066B (en) | 2024-07-02 |
Family
ID=64860964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970293.4A Active CN109120066B (en) | 2018-08-24 | 2018-08-24 | Colliery electric power monitored control system transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109120066B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400779A (en) * | 2022-01-18 | 2022-04-26 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854389A (en) * | 2010-05-21 | 2010-10-06 | 江苏三恒科技集团有限公司 | Multi-service wireless communication system for coal mine |
| CN101936184A (en) * | 2010-08-27 | 2011-01-05 | 常州市武进矿用设备厂 | Coalmine power supply monitoring system |
| CN202395492U (en) * | 2011-12-31 | 2012-08-22 | 徐州华讯科技有限公司 | Mine-use explosion-proof type uninterruptible power supply |
| CN203056995U (en) * | 2012-12-21 | 2013-07-10 | 徐州中矿大华洋通信设备有限公司 | Mining flame-proof and intrinsic-safety type direct current regulated power supply |
| CN103647348A (en) * | 2013-12-02 | 2014-03-19 | 淮南市长安机电设备有限公司 | Novel mine power supply monitoring system |
| CN203589483U (en) * | 2013-10-29 | 2014-05-07 | 河南省济源市矿用电器有限责任公司 | Mining flameproof high-voltage metering cabinet |
| CN105134296A (en) * | 2015-09-18 | 2015-12-09 | 煤炭科学技术研究院有限公司 | Digital mine safety monitoring system |
| US20150355258A1 (en) * | 2012-12-26 | 2015-12-10 | Chunping Guo | Method and apparatus for remote coal mine leakage test |
| CN106602730A (en) * | 2017-02-06 | 2017-04-26 | 煤炭科学技术研究院有限公司 | Mine power monitoring system |
| CN207408826U (en) * | 2017-11-30 | 2018-05-25 | 青岛英驰斯仪自动化科技有限公司 | Mining electric power monitoring system |
| CN209593097U (en) * | 2018-08-24 | 2019-11-05 | 淮北矿业股份有限公司 | A kind of coal mine electric power monitoring system transmission device |
-
2018
- 2018-08-24 CN CN201810970293.4A patent/CN109120066B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854389A (en) * | 2010-05-21 | 2010-10-06 | 江苏三恒科技集团有限公司 | Multi-service wireless communication system for coal mine |
| CN101936184A (en) * | 2010-08-27 | 2011-01-05 | 常州市武进矿用设备厂 | Coalmine power supply monitoring system |
| CN202395492U (en) * | 2011-12-31 | 2012-08-22 | 徐州华讯科技有限公司 | Mine-use explosion-proof type uninterruptible power supply |
| CN203056995U (en) * | 2012-12-21 | 2013-07-10 | 徐州中矿大华洋通信设备有限公司 | Mining flame-proof and intrinsic-safety type direct current regulated power supply |
| US20150355258A1 (en) * | 2012-12-26 | 2015-12-10 | Chunping Guo | Method and apparatus for remote coal mine leakage test |
| CN203589483U (en) * | 2013-10-29 | 2014-05-07 | 河南省济源市矿用电器有限责任公司 | Mining flameproof high-voltage metering cabinet |
| CN103647348A (en) * | 2013-12-02 | 2014-03-19 | 淮南市长安机电设备有限公司 | Novel mine power supply monitoring system |
| CN105134296A (en) * | 2015-09-18 | 2015-12-09 | 煤炭科学技术研究院有限公司 | Digital mine safety monitoring system |
| CN106602730A (en) * | 2017-02-06 | 2017-04-26 | 煤炭科学技术研究院有限公司 | Mine power monitoring system |
| CN207408826U (en) * | 2017-11-30 | 2018-05-25 | 青岛英驰斯仪自动化科技有限公司 | Mining electric power monitoring system |
| CN209593097U (en) * | 2018-08-24 | 2019-11-05 | 淮北矿业股份有限公司 | A kind of coal mine electric power monitoring system transmission device |
Non-Patent Citations (2)
| Title |
|---|
| 付少华;游青山;任高建;: "矿井监控电源设备的现状及发展趋势", 测控技术, no. 01, pages 152 - 156 * |
| 刘建;: "矿井自动化供电远程监测及控制系统的探讨", 通讯世界, no. 17, pages 121 - 122 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400779A (en) * | 2022-01-18 | 2022-04-26 | 上海山源电子科技股份有限公司 | Rapid networking system and rapid networking method for underground unattended substation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109120066B (en) | 2024-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201876728U (en) | Digitized and unmanned full-mechanized mining face control system | |
| CN102004483A (en) | Fully-mechanized mining digital manless working face control system | |
| CN207882337U (en) | High voltage display device with self-checking function | |
| CN206164082U (en) | Ore deposit lost circulation electric protection device based on pour into signal method into | |
| CN101420113A (en) | Three phase electric power protector having counting and timing function | |
| CN205791462U (en) | It is applicable to the transformator broken neutral line monitoring system of low-voltage network | |
| CN205724506U (en) | A kind of underground coal mine intelligent power center | |
| CN212828418U (en) | Switch control system | |
| CN204130930U (en) | A kind of remote operation controls movable switching cabinet | |
| CN209593097U (en) | A kind of coal mine electric power monitoring system transmission device | |
| CN109120066A (en) | A kind of coal mine electric power monitoring system transmission device | |
| CN203081508U (en) | Safety monitoring system for coal mine | |
| CN202695269U (en) | Intelligent self-energy-fetching vacuum circuit breaker | |
| CN103412532A (en) | Nuclear power plant underlight electronic control system | |
| CN206421191U (en) | Gas station's intelligent power saving statistical system | |
| CN205159813U (en) | Multiloop combination formula vacuum feed switch | |
| CN201336554Y (en) | Three-phase power-supply protector with functions of counting and timing | |
| CN205811955U (en) | Direct current conflux case in photovoltaic generating system | |
| CN217213525U (en) | Upper reservoir loop storehouse way industrial television system voltage stabilizing device | |
| CN217085085U (en) | Bus power supply indicating device of explosion-proof electrical equipment | |
| CN203352248U (en) | Locomotive charging cabinet | |
| CN203616622U (en) | Mine explosion-proof and intrinsically-safe type intelligent alarm vacuum switch | |
| CN213715481U (en) | Light curtain for production line | |
| CN220401190U (en) | Common power supply conversion structure of bucket lifting protection device | |
| CN102646964A (en) | High-low voltage integrated control device for coal mine power center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |