CN207832883U - A kind of dead electricity warning device independently of DCS system - Google Patents
A kind of dead electricity warning device independently of DCS system Download PDFInfo
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- CN207832883U CN207832883U CN201721657499.9U CN201721657499U CN207832883U CN 207832883 U CN207832883 U CN 207832883U CN 201721657499 U CN201721657499 U CN 201721657499U CN 207832883 U CN207832883 U CN 207832883U
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- dead electricity
- dpu
- cabinet
- dcs system
- power supply
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Abstract
The utility model discloses a kind of dead electricity warning devices independently of DCS system, belong to automatic control technology field.It includes dead electricity detection module and sound and light alarm module, the detection module includes DPU cabinet main power source dead electricity detection relay coil and DPU cabinet stand-by power supply dead electricity detection relay coil, the DPU cabinet main power source dead electricity detection relay coil is in parallel with DPU cabinet main power sources, the DPU cabinet stand-by power supply dead electricity detection relay coil is in parallel with DPU cabinet stand-by power supplies, and sound and light alarm module is composed in series by independent power supply, audible-visual annunciator and dead electricity detection relay switch.The problem of cannot achieve detection dead electricity for DCS system a part failure in the prior art, it is independently of the warning device except DCS system, once dead electricity can detect at once.
Description
Technical field
The utility model belongs to automatic control technology field, specifically, being related to a kind of dead electricity report independently of DCS system
Alarm device.
Background technology
It is more to DCS system dead electricity warning device at present in power plant, it is mostly focused on the dead electricity inspection of DCS system itself
It surveys, detects that dead electricity is alarmed by self-technique, and it is less independently of the warning device except DCS system, once DCS system
A part failure and can not detect dead electricity situation, necessarily leave security risk.Control technology is examined by self-technique at present
Dendrometry electricity situation, once DCS system a part failure, cannot achieve detection function, there is some potential safety problems.
Chinese invention patent, application publication number CN 104392757A, data of publication of application 2015.03.04 disclose one kind
Used in nuclear power station DCS system includes several DO modules for digital quantity signal in I＆C system to be sent to field instrument, and is used for
Power output end for the supply unit of DO module for power supply, supply unit is connected to busbar, and each DO module passes through one
Fuse terminals are connected to busbar, to obtain power supply；DCS system further includes monitoring warning device, for monitoring whether DO modules are lost
Electricity, and send out alarm signal when DO module dead electricity.Disadvantage is that the invention is still to be supervised using DCS system itself
Depending on DO modules whether dead electricity, however it remains undetectable security risk.
Invention content
1, it to solve the problems, such as
The problem of cannot achieve detection dead electricity for DCS system a part failure in the prior art, the utility model provides
A kind of dead electricity warning device independently of DCS system.It is independently of the warning device except DCS system, once dead electricity is at once
It can detect.
2, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of dead electricity warning device independently of DCS system, including dead electricity detection module and sound and light alarm module, it is described
Detection module includes DPU cabinet main power source dead electricity detection relay coil and DPU cabinet stand-by power supply dead electricity detection relay coil, institute
The DPU cabinet main power source dead electricity detection relay coil stated is in parallel with DPU cabinet main power sources, and the DPU cabinet stand-by power supply dead electricity is examined
It is in parallel with DPU cabinet stand-by power supplies to survey relay coil, sound and light alarm module is examined by independent power supply, audible-visual annunciator and dead electricity
Relay switch is surveyed to be composed in series.
Preferably, dead electricity detection relay switch includes DPU cabinet main power source dead electricity detection relay switch and DPU
Cabinet stand-by power supply dead electricity detects relay switch.
Preferably, one end of independent power supply is connect with audible-visual annunciator one end, the other end of independent power supply with
One end of DPU cabinet main power source dead electricity detection relay switch is connected with DPU cabinet stand-by power supply dead electricity detection relay switch one end,
DPU cabinet main power source dead electricity detects the other end of relay switch and DPU cabinet stand-by power supply dead electricity detects the relay switch other end
It is connect with the audible-visual annunciator other end.
Preferably, the detection module is mounted at DPU cabinets main power source and DPU cabinet stand-by power supplies.
Preferably, DPU cabinets main power source and DPU cabinet stand-by power supplies are 220V AC voltage.
3, advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) a kind of dead electricity warning device independently of DCS system of the utility model, for DCS system in the prior art
A part failure cannot achieve the problem of detection dead electricity, it is independently of the warning device except DCS system, once dead electricity is at once
It can detect；
(2) a kind of dead electricity warning device independently of DCS system of the utility model, signal are examined by hardwire circuit
It surveys, reliable and stable, command range is unrestricted, and fast response time is highly practical.Once detect DCS system a part dead electricity,
Sound-light alarm at once notifies operations staff's timely processing；
(3) a kind of dead electricity warning device independently of DCS system of the utility model, dead electricity signal pass through hardwire circuit
Detection, reliable and stable, command range is unrestricted, and fast response time is highly practical.
Description of the drawings
Fig. 1 is the main power source dead electricity detection circuit of the utility model；
Fig. 2 is the stand-by power supply dead electricity detection circuit of the utility model；
Fig. 3 is the DCS system dead electricity sound light alarming circuit of the utility model.
Specific implementation mode
The utility model is further described below with reference to specific embodiment.
Embodiment 1
In conjunction with Fig. 1,2 and 3, a kind of dead electricity warning device independently of DCS system, including dead electricity detection module and acousto-optic report
Alert module, the detection module include DPU cabinet main power source dead electricity detection relay coil and the detection of DPU cabinet stand-by power supply dead electricity
Relay coil, DPU cabinet main power source dead electricity detection relay coil is in parallel with DPU cabinet main power sources, and the DPU cabinets are standby
In parallel with DPU cabinet stand-by power supplies with power loss detection relay coil, sound and light alarm module is by independent power supply, acousto-optic report
Alert device and dead electricity detection relay switch are composed in series.
Dead electricity detection relay switch includes that DPU cabinet main power source dead electricity detection relay switch and DPU cabinet stand-by power supplies lose
Electro-detection relay switch.
Embodiment 2
In conjunction with Fig. 1,2 and 3, a kind of dead electricity warning device independently of DCS system, on the basis of embodiment 1 further
It improves, one end of independent power supply is connect with audible-visual annunciator one end, the other end and the DPU cabinet main power sources of independent power supply
One end of dead electricity detection relay switch is connected with DPU cabinet stand-by power supply dead electricity detection relay switch one end, DPU cabinet main power sources
Dead electricity detects the other end of relay switch and DPU cabinet stand-by power supply dead electricity detects the relay switch other end and audible-visual annunciator
The other end connects.
The detection module is mounted at DPU cabinets main power source and DPU cabinet stand-by power supplies；DPU cabinets main power source and DPU cabinets are standby
It is 220V AC voltage with power supply.
Embodiment 3
In conjunction with Fig. 1,2 and 3, a kind of dead electricity warning device independently of DCS system, into one on the basis of embodiment 1 or 2
Step is improved, using the dead electricity warning device independently of DCS system, independently of the power supply power supply of DCS, by dead electricity detection module harmony
Light alarm module two parts form.Detection module is mounted at the DPU cabinet power supply power supplies of DCS system, is connected with DPU cabinet power sources in parallel
It connects, once dead electricity, can detect at once.Sound and light alarm module is detected by independent power supply, audible-visual annunciator and dead electricity
Switch composition.Signal is detected by hardwire circuit, reliable and stable, and command range is unrestricted, fast response time, practicability
By force.Once detecting DCS system a part dead electricity, at once sound-light alarm, operations staff's timely processing is notified.
As shown in Figure 1, wherein Yi (i=2 ... 13,5k, 8k, 20,21k, 21) is that the DPUi cabinet main power sources of DCS system lose
Electro-detection relay coil (abbreviation relay coil Yi)；As shown in Figure 2, wherein Qi (i=2 ... 13,5k, 8k, 20,21k,
21) relay coil (abbreviation relay coil Qi) is detected for the DPUi cabinet stand-by power supply dead electricity of DCS system.When such as i=3, Y3
Relay coil is detected for the DPU3 cabinet main power source dead electricity of DCS system；Q3 is that the DPU3 cabinet stand-by power supply dead electricity of DCS system detects
Relay coil.
As shown in Figure 3, wherein Ki (i=2 ... 13,5k, 8k, 20,21k, 21) is that the DPUi cabinet main power sources of DCS system lose
Electro-detection relay switch (abbreviation relay switch Ki)；Ti (i=2 ... 13,5k, 8k, 20,21k, 21) is DCS system
DPUi cabinet stand-by power supply dead electricity detects relay switch (abbreviation relay switch Ti).When such as i=3, Y3 is the DPU3 of DCS system
Cabinet main power source dead electricity detects relay switch；Q3 is that the DPU3 cabinet stand-by power supply dead electricity of DCS system detects relay switch.
In Fig. 3, relay switch K2, K3,,, K21k and K21 it is in parallel, relay switch T2, T3,,, T21k and
T21 is in parallel, and dead electricity signal is detected by hardwire circuit, reliable and stable, and command range is unrestricted, fast response time, practical
Property is strong.Once detecting DCS system a part dead electricity, respond at once, send out sound-light alarm, notifies operations staff's timely processing.
When under the electricity condition that relay coil Yi and relay coil Qi are in, relay switch Ki and relay switch Ti
In normally open, when any DPU cabinets main power source or stand-by power supply dead electricity of DCS system, relay coil (Yi or Qi) loses
Electricity, relay switch (Ki or Ti) are closed, and sound-light alarm mould forms closed circuit, audible-visual annunciator alarm.
Claims (5)
1. a kind of dead electricity warning device independently of DCS system, it is characterised in that：Including dead electricity detection module and sound-light alarm mould
Block, the detection module include DPU cabinet main power source dead electricity detection relay coil and DPU cabinet stand-by power supply dead electricity detection relay
Device coil, the DPU cabinet main power source dead electricity detect relay coil DPU cabinet standby electricities in parallel with DPU cabinet main power sources, described
Source dead electricity detection relay coil is in parallel with DPU cabinet stand-by power supplies, and sound and light alarm module is by independent power supply, audible-visual annunciator
It is composed in series with dead electricity detection relay switch.
2. a kind of dead electricity warning device independently of DCS system according to claim 1, it is characterised in that：The mistake
Electro-detection relay switch includes DPU cabinet main power source dead electricity detection relay switch and DPU cabinet stand-by power supply dead electricity detection relay
Device switchs.
3. a kind of dead electricity warning device independently of DCS system according to claim 2, it is characterised in that：It is independently-powered
One end of power supply is connect with audible-visual annunciator one end, and the other end and the DPU cabinet main power source dead electricity of independent power supply detect relay
One end of device switch is connected with DPU cabinet stand-by power supply dead electricity detection relay switch one end, and DPU cabinet main power source dead electricity detects relay
The other end and the DPU cabinet stand-by power supply dead electricity detection relay switch other end of device switch are connect with the audible-visual annunciator other end.
4. a kind of dead electricity warning device independently of DCS system according to claim 1, it is characterised in that：The inspection
Module is surveyed to be mounted at DPU cabinets main power source and DPU cabinet stand-by power supplies.
5. according to a kind of dead electricity warning device independently of DCS system of claim 1-4 any one of them, it is characterised in that：
DPU cabinets main power source and DPU cabinet stand-by power supplies are 220V AC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721657499.9U CN207832883U (en) | 2017-12-03 | 2017-12-03 | A kind of dead electricity warning device independently of DCS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721657499.9U CN207832883U (en) | 2017-12-03 | 2017-12-03 | A kind of dead electricity warning device independently of DCS system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832883U true CN207832883U (en) | 2018-09-07 |
Family
ID=63387075
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721657499.9U Expired - Fee Related CN207832883U (en) | 2017-12-03 | 2017-12-03 | A kind of dead electricity warning device independently of DCS system |
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| CN (1) | CN207832883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696295A (en) * | 2019-03-11 | 2020-09-22 | 华龙国际核电技术有限公司 | Fire alarm system |
-
2017
- 2017-12-03 CN CN201721657499.9U patent/CN207832883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696295A (en) * | 2019-03-11 | 2020-09-22 | 华龙国际核电技术有限公司 | Fire alarm system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20201203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |