CN209198915U - A kind of substation's fire-fighting signal intelligent acquisition system - Google Patents
A kind of substation's fire-fighting signal intelligent acquisition system Download PDFInfo
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- CN209198915U CN209198915U CN201920249041.2U CN201920249041U CN209198915U CN 209198915 U CN209198915 U CN 209198915U CN 201920249041 U CN201920249041 U CN 201920249041U CN 209198915 U CN209198915 U CN 209198915U
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Abstract
The utility model embodiment discloses a kind of substation's fire-fighting signal intelligent acquisition system, it is related to fire-fighting signal acquisition device field, the system comprises fire-fighting hosts, fire-fighting signal processing unit and comprehensive automation system of transformer substation, the fire-fighting host, fire-fighting signal processing unit is connected with comprehensive automation system of transformer substation by signal connecting line, the fire-fighting signal processing unit includes power module, input isolation conversion module, logic processing module and output isolation conversion module, conversion module is isolated in the input, logic processing module and output isolation conversion module are sequentially connected, the power module is input isolation conversion module, logic processing module and output isolation conversion module power supply.The utility model is able to solve between comprehensive automation system of transformer substation and fire-fighting host the problems such as there are signal interferences, agreement barrier, signal jitter.
Description
Technical field
The utility model embodiment is related to fire-fighting signal acquisition device field, and in particular to a kind of substation's fire-fighting signal intelligence
It can acquisition system.
Background technique
Comprehensive automation system of transformer substation is the important electrical secondary system of substation, it is responsible for the protection and information of substation
And the automatization level of control is likely to once comprehensive automation system of transformer substation generates secondary ground connection or other failures
The power failure of whole transformer station is caused, or even influences the stable operation of entire power grid, therefore the non-electricity operating system of substation connects
Entering comprehensive automation system of transformer substation must be careful.
Current all substations are respectively arranged with fire alarm correlation fire-fighting equipment, including smoke alarm, warming alarm, hand
Dynamic alarm button, fire hydrant button, each model module, isolator, combined aural and visual alarm, fire broadcast, fire telephone etc..Work as change
When fire protection warning occurs for power station, sound-light alarm can occur for fire alarm host, and alarm host machine can identify warning device type, together
When can also provide alarm region, but for substation, the current monitoring of this signal is very mature not yet, main former
Because there are problems for the signal access comprehensive automation system of transformer substation for being fire protection warning host or remaining monitoring system.Such as:
The voltage of the access signal of comprehensive automation system of transformer substation is direct current 220V, the voltage control of fire protection linkage control device
System output should use direct current 24V, and the two has the voltage difference of very big output signal and access signal；Substation and fire-fighting master
There are agreement barriers between machine；There are dither signals for the fire-fighting host signal that dispatching and monitoring department, substation receives；Due to letter
Number intervention is not comprehensive, and the concrete signal and region that the fire alarm of fire-fighting host occurs for substation are simultaneously indefinite；Substation
When two independent systems of complex automatic system and fire-fighting system are directly linked together, many unpredictable events can be generated
Barrier problem.
Such as above problem affects the flexibility of substation's fire-fighting host signal access comprehensive automation system of transformer substation,
Increase substation's fire-fighting host signal and access the cost of other monitoring systems, and increase comprehensive automation system of transformer substation with
Interference between fire-fighting host system.
Utility model content
For this purpose, the utility model embodiment provides a kind of substation's fire-fighting signal intelligent acquisition system, to solve substation
The problems such as there are signal interferences, agreement barrier, signal jitter between complex automatic system and fire-fighting host.
To achieve the goals above, the embodiments of the present invention provides the following technical solutions:
A kind of substation's fire-fighting signal intelligent acquisition system is provided, the system comprises fire-fighting hosts, fire-fighting signal processing
Device and comprehensive automation system of transformer substation, the fire-fighting host, fire-fighting signal processing unit and integrated automation of transformation stations system
System is connected by signal connecting line, and the fire-fighting signal processing unit includes that conversion module is isolated, at logic in power module, input
Manage module and output isolation conversion module, the input isolation conversion module, logic processing module and output isolation conversion module
It is sequentially connected, the power module is input isolation conversion module, logic processing module and output isolation conversion module power supply.
Preferably, the input isolation conversion module includes: the first optical isolation, for the output of fire-fighting host to be isolated
Signal interference；First expands module, for widening the type of input signal.
Preferably, the logic processing module includes: signal acquisition module, for acquiring input isolation conversion module switching
Fire-fighting signal；Signal processing module, for being analyzed and processed to the fire-fighting signal.
Preferably, the output isolation conversion module includes: the second optical isolation, comprehensive certainly for substation to be isolated
The signal interference of dynamicization system；Second expands module, for realizing the transmission of different type signals.
Preferably, the fire-fighting signal processing unit is also connected with external acquisition system.
Embodiment according to the present utility model, the utility model have the advantages that
1, the utility model is able to solve the flexible access of substation's fire-fighting host signal, and fire-fighting host signal can be had
There is wide cut output signal to be linked into substation's not homologous ray；
2, the utility model is able to solve fire-fighting host letter using input isolation conversion module and output isolation conversion module
Number access comprehensive automation system of transformer substation or when other external acquisition systems, reduces the interference between two systems, it is ensured that two
A system has independent circuit, but can be carried out the transmission of signal；
3, the utility model can exclude fire-fighting system circuit dither signal, provide more believable fire-fighting action signal；
4, the signal processing module of the utility model can control the connection work handled well between each module, by acquisition
Signal flexible conversion is stabilization signal, is output in corresponding system, is able to solve each when fire-fighting signal access other systems
Agreement barrier problem between fire-fighting producer.
Detailed description of the invention
It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art
It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below
Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Fig. 1 is that a kind of structure for substation's fire-fighting signal intelligent acquisition system that an embodiment of the utility model provides is shown
It is intended to；
Fig. 2 is another structure for substation's fire-fighting signal intelligent acquisition system that another embodiment of the utility model provides
Schematic diagram；
Fig. 3 is the input isolation for substation's fire-fighting signal intelligent acquisition system that another embodiment of the utility model provides
The structural schematic diagram of conversion module；
Fig. 4 is the fire-fighting signal for substation's fire-fighting signal intelligent acquisition system that another embodiment of the utility model provides
The structural schematic diagram of processing unit；
Fig. 5 is the output isolation for substation's fire-fighting signal intelligent acquisition system that another embodiment of the utility model provides
The structural schematic diagram of conversion module.
In figure: fire-fighting host 1, fire-fighting signal processing unit 2, comprehensive automation system of transformer substation 3, power module 4, input
Conversion module 5, logic processing module 6, output isolation conversion module 7, external acquisition system 8, the first optical isolation is isolated
9, first module 10, signal acquisition module 11, signal processing module 12, the second optical isolation 13, second expansion mould are expanded
Block 14.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is
The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection
Range.
With reference to Fig. 1, the present embodiment provides a kind of substation's fire-fighting signal intelligent acquisition systems, and the system comprises fire-fighting masters
Machine 1, fire-fighting signal processing unit 2 and comprehensive automation system of transformer substation 3, the fire-fighting host 1, fire-fighting signal processing unit 2
Connected with comprehensive automation system of transformer substation 3 by signal connecting line, the fire-fighting signal processing unit 2 include power module 4,
Conversion module 5, logic is isolated in input isolation conversion module 5, logic processing module 6 and output isolation conversion module 7, the input
Processing module 6 and output isolation conversion module 7 are sequentially connected, and the power module 4 is input isolation conversion module 5, at logic
It manages module 6 and output isolation conversion module 7 is powered.
Specifically, with reference to Fig. 3, input isolation conversion module 5 includes: that the first optical isolation 9 and first expands module
10, the first optical isolation 9 is used to be isolated the signal interference of the output of fire-fighting host 1, and the first optical isolation 9 receives fire-fighting
After the signal transmitted in host 1, the form of electrical-optical-electrical is taken, light-emitting component and light receiving element are combined, benefit
Isolation features are completed with optical signal transmission link, the part from circuit interference source and vulnerable to interference keeps apart, and makes this be
System only keeps signal contact with collection in worksite equipment, and the connection without electricity directly occurs can be avoided the output end of fire-fighting host 1
To the issuable feedback of input terminal and interference of input isolation conversion module 5, and inhibit noise jamming ability strong, has resistance to
With, high reliablity and speed are fast the advantages that, can be realized the flexible access of 1 signal of fire-fighting host.
Further, the first expansion module 10 is used to widen the type of input signal, and the first expansion module 10 has extension
Function can access the terminal of single channel or multiple signals, support 16 way switch amount input and output.
Further, with reference to Fig. 4, logic processing module 6 includes signal acquisition module 11 and signal processing module 12, described
Signal acquisition module 11 is used to acquire the fire-fighting signal that input isolation conversion module 5 is transferred；Wherein, signal acquisition module 11 acquires
The signal that fire-fighting host 1 transmits, acquisition signal are divided into 3 kinds of acquisition modes, are respectively: dry node signal acquisition, wet node signal
Acquisition, network protocol signal acquisition.
When using dry node signal acquisition mode, only one on-off model in system circuit, without power supply etc. other
Signal, when sensor collects the fire alarms signal such as temperature, smog, which will be closed automatically, circuit closed signal meeting
It is transferred in acquisition device, acquisition device will record the movement of closure.
When being acquired using wet node signal and only in the state of external power supply connection, sensor can just collect temperature
The fire alarms signal such as degree, smog, and then start acquisition, conversion, transmission work transmitting switch amount signal.
When using network protocol signal acquisition, cable connection is not needed, by pre-set code function, such as 01 representative is acted,
00 representative does not act, and signal acquisition is completed by RJ45 route, to trigger conversion, isolation, transfer function.
The mode of above-mentioned three kinds of acquisitions signal is there are your difference such as attribute, voltage difference, but the signal processing of the present embodiment
Module 12 is capable of handling the signal acquired under above-mentioned three kinds of modes, can be carried out when voltage is between direct current 5V -220V
Flexible conversion.
The signal processing module 12 of the present embodiment receives the signal that input isolation and switching device transmits, for fire-fighting
Signal is analyzed and processed.Analysis output port is realized by the program of CPU in setting signal processing module 12, and flexibly processing is adopted
Collect signal, conversion voltage, the effect for splitting signal.
Wherein, signal processing module 12 is provided with signal processing 3 seconds and is delayed, and is monitored to signal, when fire-fighting host 1 touches
When sending out fire-fighting equipment each and carrying out fire-fighting movement, can to avoid caused because of fire-fighting equipment malfunction system acquisition to wrong letter
Number, influence the judgement and work of dispatcher.It can avoid the dither signal such as thundered because of natural uncontrollable factor, lightning induces, rise
Increase the accuracy of signal to the effect of stabilization.
The signal processing module 12 of the present embodiment can according to the quantity of required connection system and system can input voltage set
Corresponding operation code is set, so that its control is handled the connection work between each module well, is steady by the signal flexible conversion of acquisition
Determine signal, be output in corresponding system, is able to solve association when fire-fighting signal access other systems between each fire-fighting producer
Discuss barrier problem.
The present embodiment signal processing module 12 is provided simultaneously with wide cut extension function, can be with ECP Extended Capabilities Port, according to node signal
The demand of acquisition accesses one or more groups of signal sources, realizes the effect of big function acquisition, conversion.
Further, with reference to Fig. 5, output isolation conversion module 7 is similar with the input effect that conversion module 5 is isolated, output
Isolation conversion module 7 includes: the second optical isolation 13 and second expands module 14, the second optical isolation 13 be used for every
Signal interference from comprehensive automation system of transformer substation 3, has the effect of Phototube Coupling, and the second optical isolation 13 is taken
The form of electrical-optical-electrical, light-emitting component and light receiving element are combined, and " light " this link is utilized to complete isolation features, from
Part on circuit interference source and vulnerable to interference keeps apart, and makes fire-fighting signal processing unit 2 and the integrated automation of transformation stations
System 3 only keeps signal contact, the connection without electricity directly occurs.
Further, the second expansion module 14 can access single channel or more for realizing the transmission of different type signals
The terminal of road signal supports 16 way switch amount input and output.
The setting of input isolation conversion module 5 and output isolation conversion module 7 can guarantee to work as fire-fighting host 1 or substation
When the one party generating loop failure of complex automatic system 3, the circuit of another party will not influence, it is ensured that system stability
With the maintenance of reliability.
Further, the power module 4 of the present embodiment be input isolation conversion module 5, it is fire-fighting signal processing unit 2, defeated
Isolation conversion module 7 provides power supply out, because isolation and switching device is adopted in wide cut substation Intelligent fire-fighting acquisition device
With Phototube Coupling, external power supply can not directly form circuit loop in appliance arrangement, so must be arranged in a device special
Power module 4.
The present embodiment power module 4 is using a kind of for working method of discharging of battery group, by the battery of power module 4
Group is parallel-connected on load circuit with power circuit, its voltage be generally it is constant, be only slightly higher than the end of battery group
Voltage is compensated the loss of battery group local action, by a small amount of electric current that power circuit is supplied can be always maintained at
Charging meet state and will not overcharge, and battery group can fluctuate up and down with power line voltage and carry out charge and discharge.When outer
After portion's power supply disconnects, which still can keep electriferous state for a period of time 15 --- and 30 minutes, fire-fighting signal was adopted
Acquisition means still can work on, and will not interrupt to the monitoring of fire-fighting warning device.In this way, battery group just plays pressure stabilizing work
With, and it is in stand-by state.Stable basic guarantee is provided for fire information collecting work.
In view of power supply can generate the case where temperature rises, in equipment installation, will be mounted in the environment for being easy heat dissipation,
And it is assembled by Heat Conduction Material.It is required according to storage time length, volume size etc., power supply can be used different types of
Battery.
In addition, fire-fighting signal processing unit 2 is also connected with external acquisition system 8 with reference to Fig. 2.To have met fire-fighting host 1 both
Need to access the case where transformer station's integrated system needs to access other external acquisition system 8 again.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (5)
1. a kind of substation's fire-fighting signal intelligent acquisition system, which is characterized in that the system comprises fire-fighting hosts, fire-fighting signal
Processing unit and comprehensive automation system of transformer substation, the fire-fighting host, fire-fighting signal processing unit and substation's comprehensive automation
Change system is connected by signal connecting line, and the fire-fighting signal processing unit includes power module, input isolation conversion module, patrols
Processing module and output isolation conversion module are collected, the input is isolated conversion module, logic processing module and exports isolation conversion
Module is sequentially connected, and the power module is that input isolation conversion module, logic processing module and output isolation conversion module supply
Electricity.
2. a kind of substation's fire-fighting signal intelligent acquisition system as described in claim 1, which is characterized in that the input isolation
Conversion module includes:
First optical isolation, for the signal interference of fire-fighting host output to be isolated；
First expands module, for widening the type of input signal.
3. a kind of substation's fire-fighting signal intelligent acquisition system as described in claim 1, which is characterized in that the logical process
Module includes:
Signal acquisition module, for acquiring the fire-fighting signal of input isolation conversion module switching；
Signal processing module, for being analyzed and processed to the fire-fighting signal.
4. a kind of substation's fire-fighting signal intelligent acquisition system as described in claim 1, which is characterized in that the output isolation
Conversion module includes:
Second optical isolation, for the signal interference of comprehensive automation system of transformer substation to be isolated；
Second expands module, for realizing the transmission of different type signals.
5. a kind of substation's fire-fighting signal intelligent acquisition system as described in claim 1, which is characterized in that the fire-fighting signal
Processing unit is also connected with external acquisition system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249041.2U CN209198915U (en) | 2019-02-27 | 2019-02-27 | A kind of substation's fire-fighting signal intelligent acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920249041.2U CN209198915U (en) | 2019-02-27 | 2019-02-27 | A kind of substation's fire-fighting signal intelligent acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198915U true CN209198915U (en) | 2019-08-02 |
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ID=67431890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920249041.2U Active CN209198915U (en) | 2019-02-27 | 2019-02-27 | A kind of substation's fire-fighting signal intelligent acquisition system |
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| CN (1) | CN209198915U (en) |
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2019
- 2019-02-27 CN CN201920249041.2U patent/CN209198915U/en active Active
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