CN109839862A - Ocean nuclear power platform solenoid valve control circuit, control device and control method - Google Patents
Ocean nuclear power platform solenoid valve control circuit, control device and control method Download PDFInfo
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- CN109839862A CN109839862A CN201711223444.1A CN201711223444A CN109839862A CN 109839862 A CN109839862 A CN 109839862A CN 201711223444 A CN201711223444 A CN 201711223444A CN 109839862 A CN109839862 A CN 109839862A
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- 238000009434 installation Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 6
- 238000004886 process control Methods 0.000 description 7
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of ocean nuclear power platform solenoid valve control circuits, it is related to automation field, including contactor, the first circuit and second circuit, first circuit includes solenoid valve, solenoid valve one end is connected with power supply system, and the other end is connected with after the series connection of the normally opened contact of contactor with power supply system；Second circuit includes first switch, the first relay K1, the second relay K2 and third relay K3, first switch has the first contact and the second contact, the series connection of the coil of first contact and contactor, second contact is sequentially connected in series the coil of a parallel branch and contactor, parallel branch is formed in parallel by the first branch and second branch, the first branch includes the normally opened contact of concatenated second relay K2 and the normally opened contact of third relay K3, and second branch includes the normally opened contact of concatenated first relay K1 and the normally-closed contact of third relay K3.Solenoid valve control circuit provided by the invention, strong antijamming capability, stability is good, wide adaptation range.
Description
Technical field
The present invention relates to nuclear power unit instrument and control fields, and in particular to a kind of ocean nuclear power platform solenoid valve control
Circuit, control device and control method processed.
Background technique
For the sake of security, it can be equipped with multiple Process Control Systems on usual ocean nuclear power platform, pass through solenoid valve pair
Each generic operation of the platform is accordingly controlled, and common Process Control System includes back-up disk, master station and automatic control cabinet
It is mainly used in case of emergency report control platform Deng, back-up disk, master station is used for the control platform by way of manpower intervention and grasps
Make, automatic control cabinet is used in the case where nobody directly participates in through the control cabinet come report control platform, back-up disk it is preferential
Grade should be higher than that master station, and the priority of master station should be higher than that automatic control cabinet, preferably to control solenoid valve.Therefore, in reality
Border is in use, need to carry out all kinds of Process Control Systems priority selection control.
In the prior art, developed using embedded platform, by directly receive bus command or switch operational order come pair
The priority of Process Control System is controlled, a kind of magnetic valve of nuclear power station as disclosed in patent No. CN200910188851.2
Control device, the magnetic valve controller include command process module and logical operation module, and command process module is for obtaining
External command information, including manual command, automatic command and protection instruction, logical operation module are ascending according to priority
Sequence selects present instruction from manual command, automatic command and protection instruction, according to present instruction and enabled condition, generates control
The control instruction of electromagnetism valve events processed, to realize the control to the priority of Process Control System by bus command.
However, the control of the above-mentioned priority to Process Control System depends on embedded platform, and embedded platform is deposited
In the problem of interference free performance deficiency, it is possible that program out of control, causes to lose to process control system after by strong jamming
The two priority classes of system influence the normal use of ocean nuclear power platform solenoid valve.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of ocean nuclear power platform solenoid valves
Control circuit can control electromagnetism valve events, and circuit devcie strong antijamming capability, so that entire control according to priority orders
Circuit stability is good, wide adaptation range.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of ocean nuclear power platform solenoid valve control circuit, is used to control electromagnetism valve events, comprising:
One contactor；
First circuit comprising solenoid valve, described solenoid valve one end are connected with power supply system, the other end and the contactor
Normally opened contact series connection after be connected with power supply system；
Second circuit comprising first switch, the first relay K1, the second relay K2 and third relay K3, it is described
First switch has the first contact and the second contact, the coil series connection of first contact and contactor, second contact according to
The coil of secondary series connection one parallel branch and contactor, the parallel branch is formed in parallel by the first branch and second branch, described
The first branch includes the normally opened contact of concatenated second relay K2 and the normally opened contact of third relay K3, the second branch
The normally-closed contact of normally opened contact and third relay K3 including concatenated first relay K1, the first switch and contactor
Coil be connected with power supply system.
Based on the above technical solution, the first switch also has the third contact for disconnecting and being arranged.
Based on the above technical solution, the first switch is change-over switch.
Based on the above technical solution, first circuit further includes a second switch, and the second switch is used for
The switch for controlling first circuit is disconnected.
Based on the above technical solution, the second servo loop further includes a fuse, and the fuse is set to described
Between the coil and power supply system of contactor.
The embodiment of the invention also provides a kind of ocean nuclear power platform magnetic valve controllers, including back-up disk, master control
Platform and automatic controller are equipped with above-mentioned ocean nuclear power platform solenoid valve control circuit, institute on the ocean nuclear power platform
First switch is stated on the back-up disk, the first relay K1 is set on the automatic controller, second relay
Device K2 and third relay K3 are set in the master station.
Based on the above technical solution, the automatic controller includes first microprocessor and the first digital output
Module, the first microprocessor are used to provide the open or close solenoid valve first control automatically according to collected signal and refer to
It enabling, the first digital output module is used to export first control instruction to the first relay K1, and described the
One relay K1 carries out corresponding operating according to the first control instruction received.
Based on the above technical solution, the master station includes manipulation screen, the second microprocessor and the second number
Output module is measured, the second control instruction for opening or closing solenoid valve is manually entered for confession in the manipulation screen, and described second
Microprocessor is used to for second control instruction being converted into digital quantity signal, and the second digital output module is used for institute
The second control instruction is stated to export to the corresponding second relay K2 or third relay K3.
Based on the above technical solution, first circuit further includes one disconnected for controlling first circuit switch
Second switch.
The present invention also provides a kind of ocean nuclear power platform electromagnetic valve control methods, use above-mentioned ocean nuclear power platform
Magnetic valve controller controls electromagnetism valve events.
Compared with the prior art, the advantages of the present invention are as follows:
(1) ocean nuclear power platform solenoid valve control circuit of the invention can control solenoid valve according to priority orders
Movement, and circuit devcie strong antijamming capability, so that entire control circuit stability is good, wide adaptation range.
(2) first switch of the invention also has the third contact for disconnecting and being arranged, and can be made by third contact second time
Road is fully disconnected, the highest priority of first switch, realizes absolute control of the first switch to solenoid valve, is used very square
Just.
(3) the first circuit of the invention further includes second switch, and the switch for controlling first circuit is disconnected, when first
When switching to the second contact position, the first circuit can be made to disconnect by second switch, close solenoid valve, application range is more
Extensively.
(4) ocean nuclear power platform magnetic valve controller of the invention, can be according to back-up disk, master station and automatic control
The sequential control electromagnetism valve events of device priority processed from high to low, not only circuit devcie strong antijamming capability, so that entire control
Device stability is good, wide adaptation range, and structure is simple, and relay operation is more convenient, economic and practical.
Detailed description of the invention
Fig. 1 is the schematic diagram in the first circuit in the nuclear power platform solenoid valve control circuit of ocean in the embodiment of the present invention；
Fig. 2 is the schematic diagram of second servo loop in the nuclear power platform solenoid valve control circuit of ocean in the embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of ocean nuclear power platform solenoid valve control circuit,
For controlling solenoid valve Y operation, including contactor, the first circuit and second circuit.
First circuit includes solenoid valve Y, and the one end solenoid valve Y is connected with power supply system, the normally opened touching of the other end and contactor
It is connected after point series connection with power supply system；Second circuit includes first switch SA, the first relay K1, the second relay K2 and third
Relay K3, first switch SA have the first contact SA1 and the second contact SA2, the coil KM-2 of the first contact SA1 and contactor
Series connection, the second contact SA2 are sequentially connected in series the coil KM-2 of a parallel branch and contactor, and parallel branch is by the first branch and second
Branch circuit parallel connection forms, and the first branch includes the normally opened of the normally opened contact K2-1 and third relay K3 of concatenated second relay K2
Contact K3-1, second branch include the normally-closed contact of the normally opened contact K1-1 and third relay K3 of concatenated first relay K1
The coil KM-2 of K3-2, first switch SA and contactor is connected with power supply system.
Further, first switch SA also has the third contact SA3 for disconnecting and being arranged, and can be made by third contact SA3
Second servo loop is fully disconnected, at this point, only not led to by the control of the first relay K1, the second relay K2 and third relay K3
Solenoid valve Y can be closed by crossing first switch SA, it is seen then that first switch SA highest priority realizes first switch SA to solenoid valve Y
Absolute control, it is very easy to use.Preferably, first switch SA is change-over switch.
Further, the first circuit further includes a second switch QF, and second switch QF is used to control the switch of the first circuit
It is disconnected, when first switch SA switches to the second contact position SA2, if not needing the first relay K1, the second relay K2 and the
The control of three relay K3 can be such that the first circuit disconnects by second switch QF, close solenoid valve Y, and application range is wider.It is excellent
Selection of land, second switch QF are on-load switch.
Further, second servo loop further includes a fuse, and fuse is set to the coil KM-2 and power supply system of contactor
Between, when being more than certain limit by the electric current of contactor, fuse can fuse, and disconnect contactor coil KM-2 and power supply system
The connection of system, so as to play preferable protective effect to circuit.
The working principle of ocean nuclear power platform solenoid valve Y control circuit provided in an embodiment of the present invention are as follows: first switch
The highest priority of SA, when first switch SA switches to the first contact position SA1, contactor coil KM-2 is powered, contactor
Contact KM-1 closure, solenoid valve Y are opened；When first switch SA switches to the second contact SA2, if third relay K3 is powered,
The normally opened contact K3-1 of third relay K3 is closed, and the normally-closed contact K3-2 of third relay K3 is disconnected, at this time only the second relay
The operation of device K2 is effective, and after the second relay K2 is powered, the normally opened contact K2-1 of the second relay K2 is closed, contactor coil
KM-2 is powered, and contacts of contactor KM-1 closure, solenoid valve Y is opened, and after the second relay K2 power-off, solenoid valve Y is closed；If third
The normally opened contact K3-1 of relay K3 power-off, third relay K3 is disconnected, the normally-closed contact K3-2 closure of third relay K3, this
When only the first relay K1 operation it is effective, after the first relay K1 is powered, the normally opened contact K1-1 of the first relay K1 is closed,
Contactor coil KM-2 is powered, and contacts of contactor KM-1 closure, solenoid valve Y is opened, after the first relay K1 power-off, solenoid valve Y
It closes；When first switch SA switches to third contact SA3, second servo loop is fully disconnected, contactor coil KM-2 power-off, contact
Device contact KM-1 is opened, and solenoid valve Y is closed.
Ocean nuclear power platform solenoid valve control circuit of the invention can control electromagnetism valve actuation according to priority orders
Make, and circuit devcie strong antijamming capability, so that entire control circuit stability is good, wide adaptation range.
The embodiment of the invention also provides a kind of ocean nuclear power platform magnetic valve controllers, including back-up disk, master control
Platform and automatic controller are equipped with above-mentioned ocean nuclear power platform solenoid valve Y control circuit on the nuclear power platform of ocean, and first opens
It closes SA to be set on back-up disk, the first relay K1 is set on automatic controller, and the second relay K2 and third relay K3 are all provided with
In in master station.
Automatic controller includes first microprocessor and the first digital output module, and first microprocessor is used for basis and adopts
The signal collected provides the first control instruction for opening or closing solenoid valve Y automatically, and the first digital output module is used for the
One control instruction, which is exported, accordingly to be grasped to the first relay K1, the first relay K1 according to the first control instruction received
Make.
Master station includes manipulation screen, the second microprocessor and the second digital output module, and manipulation screen is used for for people
Work inputs the second control instruction for opening or closing solenoid valve Y, and the second microprocessor is for the second control instruction to be converted into counting
Word amount signal, the second digital output module be used to export the second control instruction to corresponding second relay K2 or third after
Electric appliance K3.In actual use, it manipulates between screen and the second microprocessor and is additionally provided with bus transceiver, for receiving manipulation screen
The second control instruction that curtain issues, and export and handled to the second microprocessor.
It is in the present embodiment, virtual on manipulation screen that there are two be respectively used to the second relay K2 of control and third relay
The virtual switch of K3, can click virtual switch by mouse, issue corresponding control instruction to corresponding relay, and virtual
Switch, which has, opens or closes corresponding two keys of state with relay, opens key when clicking virtual switch, can control
Relay is opened, and is closed key when clicking virtual switch, be can control cut-off.
The ocean nuclear power platform magnetic valve controller of the embodiment of the present invention further includes a valve control cabinet, the first circuit
Further include one for control the first circuit switch break second switch QF, second switch QF and contactor KM be set to valve control
In cabinet, when first switch SA switches to the second contact position SA2, if not needing back-up disk, automatic controller and master station
Control can be such that the first circuit disconnects by second switch QF, close solenoid valve Y, and application range is wider.
Ocean nuclear power platform magnetic valve controller of the invention, can be according to back-up disk, master station and automatic control
The sequential control electromagnetism valve events of device priority from high to low, not only circuit devcie strong antijamming capability, fills so that entirely controlling
It is good to set stability, wide adaptation range, and also structure is simple, and relay operation is more convenient, economic and practical.
The embodiment of the invention also provides a kind of ocean nuclear power platform electromagnetic valve control method, this method uses above-mentioned sea
Foreign nuclear power platform magnetic valve controller controls electromagnetism valve events, specific control method are as follows:
It is closed second switch QF, after second switch QF closure, the first circuit has the condition of solenoid valve Y operation；
The first switch SA for operating back-up disk, when first switch SA switches to the first contact position SA1, as "ON" shelves
Position, contactor coil KM-2 are powered, and contacts of contactor KM-1 closure, solenoid valve Y is opened；
When first switch SA switches to third contact SA3, as "Off" gear, second servo loop are fully disconnected, contactor
Coil KM-2 power-off, contacts of contactor KM-1 open, solenoid valve Y close, at this point, when the first relay K1, the second relay K2,
When third relay K3 is acted, opening or closing for solenoid valve Y will not be had an impact, the first switch SA operation of back-up disk
Highest priority；
When first switch SA switches to the second contact SA2, as " switch " gear, the point on the manipulation screen of master station
Virtual switch corresponding with third relay K3 is hit, and corresponding operational order is sent to third relay K3, controls third
Relay K3 is powered, and the normally opened contact K3-1 closure of third relay K3, the normally-closed contact K3-2 of third relay K3 is disconnected, this
When only the second relay K2 operation it is effective, click and corresponding with the second relay K2 virtually open on master station manipulation screen
It closes, the second relay K2 of control is powered, and the normally opened contact K2-1 closure of the second relay K2, contactor coil KM-2 is powered, connects
Tentaculum contact KM-1 closure, solenoid valve Y are opened, and correspondingly, when needing solenoid valve Y to close, are clicked corresponding virtual switch, are controlled
After making the second relay K2 power-off, solenoid valve Y is closed, at this point, the first relay K1 is acted, will not opening to solenoid valve Y or
Closing has an impact, and the priority of master station operation is higher than the priority of automatic controller；
If third relay K3 is powered off, the normally opened contact K3-1 of third relay K3 is disconnected, and third relay K3's is normally closed
Contact K3-2 closure, only the operation of the first relay K1 is effective at this time, and after the first relay K1 is powered, the first relay K1's is normal
Contact K1-1 closure is opened, contactor coil KM-2 is powered, and contacts of contactor KM-1 closure, solenoid valve Y is opened, the first relay K1
After power-off, solenoid valve Y is closed, at this point, the priority of automatic controller is minimum.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of ocean nuclear power platform solenoid valve control circuit, is used to control electromagnetism valve events characterized by comprising
One contactor；
First circuit comprising solenoid valve, described solenoid valve one end are connected with power supply system, and the other end is normal with the contactor
It is connected after opening contact series with power supply system；
Second circuit comprising first switch, the first relay K1, the second relay K2 and third relay K3, described first
Switch has the first contact and the second contact, and the coil series connection of first contact and contactor, second contact is successively gone here and there
Joining the coil of a parallel branch and contactor, the parallel branch is formed in parallel by the first branch and second branch, and described first
Branch includes the normally opened contact of concatenated second relay K2 and the normally opened contact of third relay K3, and the second branch includes
The normally opened contact of concatenated first relay K1 and the normally-closed contact of third relay K3, the line of the first switch and contactor
Circle is connected with power supply system.
2. nuclear power platform solenoid valve control circuit in ocean as described in claim 1, it is characterised in that: the first switch is also
With the third contact for disconnecting setting.
3. nuclear power platform solenoid valve control circuit in ocean as claimed in claim 2, it is characterised in that: the first switch is
Change-over switch.
4. nuclear power platform solenoid valve control circuit in ocean as described in claim 1, it is characterised in that: first circuit is also
Including a second switch, the switch that the second switch is used to control first circuit is disconnected.
5. nuclear power platform solenoid valve control circuit in ocean as described in claim 1, it is characterised in that: the second servo loop is also
Including a fuse, the fuse is set between the coil and power supply system of the contactor.
6. a kind of ocean nuclear power platform magnetic valve controller, including back-up disk, master station and automatic controller, feature exist
In: installation is just like ocean nuclear power platform solenoid valve control described in any one of claim 1 to 5 on the ocean nuclear power platform
Circuit processed, the first switch are set on the back-up disk, and the first relay K1 is set on the automatic controller, described
Second relay K2 and third relay K3 are set in the master station.
7. nuclear power platform magnetic valve controller in ocean as claimed in claim 6, which is characterized in that the automatic controller
Including first microprocessor and the first digital output module, the first microprocessor is used for automatic according to collected signal
The first control instruction for opening or closing solenoid valve is provided, the first digital output module is used to refer to first control
Output is enabled accordingly to be grasped to the first relay K1, the first relay K1 according to the first control instruction received
Make.
8. nuclear power platform magnetic valve controller in ocean as claimed in claim 6, which is characterized in that the master station includes
Screen, the second microprocessor and the second digital output module are manipulated, the manipulation screen is used to play on or off for being manually entered
The second control instruction of solenoid valve is closed, second microprocessor is used to for second control instruction to be converted into digital quantity letter
Number, the second digital output module be used to export second control instruction to the corresponding second relay K2 or
Third relay K3.
9. nuclear power platform magnetic valve controller in ocean as claimed in claim 6, it is characterised in that: first circuit is also
Including one for controlling the disconnected second switch of first circuit switch.
10. a kind of ocean nuclear power platform electromagnetic valve control method, it is characterised in that: use ocean as claimed in claim 6
Nuclear power platform magnetic valve controller controls electromagnetism valve events.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223444.1A CN109839862B (en) | 2017-11-29 | 2017-11-29 | Ocean nuclear power platform electromagnetic valve control circuit, control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223444.1A CN109839862B (en) | 2017-11-29 | 2017-11-29 | Ocean nuclear power platform electromagnetic valve control circuit, control device and control method |
Publications (2)
| Publication Number | Publication Date |
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| CN109839862A true CN109839862A (en) | 2019-06-04 |
| CN109839862B CN109839862B (en) | 2024-02-13 |
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| CN201711223444.1A Active CN109839862B (en) | 2017-11-29 | 2017-11-29 | Ocean nuclear power platform electromagnetic valve control circuit, control device and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046374A (en) * | 2021-10-28 | 2022-02-15 | 苏州热工研究院有限公司 | Nuclear power unit power supply system based on electromagnetic valve and pneumatic electromagnetic valve |
| CN116182499A (en) * | 2023-01-09 | 2023-05-30 | 珠海格力电器股份有限公司 | Control panel, control method thereof and refrigerator |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074253A (en) * | 1998-09-01 | 2000-03-14 | Toyota Motor Corp | Electromagnetic control valve |
| US6108179A (en) * | 1997-10-03 | 2000-08-22 | Mitsubishi Denki Kabushiki Kaisha | Emergency shut-down apparatus for motor |
| JP2003050607A (en) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | Programmable controller and its programming method and its program |
| JP2007276943A (en) * | 2006-04-05 | 2007-10-25 | Toyota Industries Corp | Simultaneous operation restriction mechanism and fork lift |
| CN201135729Y (en) * | 2007-11-15 | 2008-10-22 | 上海市电力公司超高压输变电公司 | Spraying automatic control device for fire-fighting |
| CN102454329A (en) * | 2010-10-22 | 2012-05-16 | 中国船舶重工集团公司第七一三研究所 | Improved interface circuit of shielding door system and signal system |
| CN202831982U (en) * | 2012-05-30 | 2013-03-27 | 中国船舶重工集团公司第七一三研究所 | Multilevel control undisturbed switching circuit of screen door system |
| CN202928765U (en) * | 2012-12-01 | 2013-05-08 | 山东统亚模塑科技实业有限公司 | Electrical control system for detecting airtightness of expansion water tank |
| CN103914087A (en) * | 2014-04-09 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Water supply automatic control system |
| CN203928289U (en) * | 2014-04-25 | 2014-11-05 | 江苏兆胜空调有限公司 | A kind of marine air conditioner liquid feeding control system |
| CN204178161U (en) * | 2014-08-07 | 2015-02-25 | 天津市既济电气控制设备有限公司 | The safe operation control circuit of leak-checking apparatus suppressed by container class workpiece |
| CN205791480U (en) * | 2016-06-02 | 2016-12-07 | 上海新时达电气股份有限公司 | Envelope star control circuit |
| CN106395518A (en) * | 2016-11-11 | 2017-02-15 | 西继迅达（许昌）电梯有限公司 | Elevator running control panel used for controlling priorities of maintenance devices |
| CN207961698U (en) * | 2017-11-29 | 2018-10-12 | 中国船舶重工集团公司第七一九研究所 | Ocean nuclear power platform solenoid valve control circuit, control device |
-
2017
- 2017-11-29 CN CN201711223444.1A patent/CN109839862B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108179A (en) * | 1997-10-03 | 2000-08-22 | Mitsubishi Denki Kabushiki Kaisha | Emergency shut-down apparatus for motor |
| JP2000074253A (en) * | 1998-09-01 | 2000-03-14 | Toyota Motor Corp | Electromagnetic control valve |
| JP2003050607A (en) * | 2001-08-07 | 2003-02-21 | Mitsubishi Electric Corp | Programmable controller and its programming method and its program |
| JP2007276943A (en) * | 2006-04-05 | 2007-10-25 | Toyota Industries Corp | Simultaneous operation restriction mechanism and fork lift |
| CN201135729Y (en) * | 2007-11-15 | 2008-10-22 | 上海市电力公司超高压输变电公司 | Spraying automatic control device for fire-fighting |
| CN102454329A (en) * | 2010-10-22 | 2012-05-16 | 中国船舶重工集团公司第七一三研究所 | Improved interface circuit of shielding door system and signal system |
| CN202831982U (en) * | 2012-05-30 | 2013-03-27 | 中国船舶重工集团公司第七一三研究所 | Multilevel control undisturbed switching circuit of screen door system |
| CN202928765U (en) * | 2012-12-01 | 2013-05-08 | 山东统亚模塑科技实业有限公司 | Electrical control system for detecting airtightness of expansion water tank |
| CN103914087A (en) * | 2014-04-09 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Water supply automatic control system |
| CN203928289U (en) * | 2014-04-25 | 2014-11-05 | 江苏兆胜空调有限公司 | A kind of marine air conditioner liquid feeding control system |
| CN204178161U (en) * | 2014-08-07 | 2015-02-25 | 天津市既济电气控制设备有限公司 | The safe operation control circuit of leak-checking apparatus suppressed by container class workpiece |
| CN205791480U (en) * | 2016-06-02 | 2016-12-07 | 上海新时达电气股份有限公司 | Envelope star control circuit |
| CN106395518A (en) * | 2016-11-11 | 2017-02-15 | 西继迅达（许昌）电梯有限公司 | Elevator running control panel used for controlling priorities of maintenance devices |
| CN207961698U (en) * | 2017-11-29 | 2018-10-12 | 中国船舶重工集团公司第七一九研究所 | Ocean nuclear power platform solenoid valve control circuit, control device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046374A (en) * | 2021-10-28 | 2022-02-15 | 苏州热工研究院有限公司 | Nuclear power unit power supply system based on electromagnetic valve and pneumatic electromagnetic valve |
| CN114046374B (en) * | 2021-10-28 | 2024-02-13 | 苏州热工研究院有限公司 | Nuclear power unit power supply system based on electromagnetic valve and pneumatic electromagnetic valve |
| CN116182499A (en) * | 2023-01-09 | 2023-05-30 | 珠海格力电器股份有限公司 | Control panel, control method thereof and refrigerator |
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| CN109839862B (en) | 2024-02-13 |
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