CN110083120A - It is a kind of applied to the alarm system and its method led in mixed - Google Patents
It is a kind of applied to the alarm system and its method led in mixed Download PDFInfo
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- CN110083120A CN110083120A CN201910385384.6A CN201910385384A CN110083120A CN 110083120 A CN110083120 A CN 110083120A CN 201910385384 A CN201910385384 A CN 201910385384A CN 110083120 A CN110083120 A CN 110083120A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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Abstract
Present disclose provides a kind of applied to the alarm system and its method led in mixed.Wherein, it applied to the alarm system led in mixed, including master controller, is respectively connected with the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module；First temperature and humidity module is used to acquire the temperature and humidity of SF6 gas in GIS high-voltage board, and the second temperature and humidity module is used to acquire the temperature and humidity in direct current cabinet room in battery cupboard, and third temperature and humidity module is used to acquire the temperature and humidity of air-conditioning in changed into switchhouse；Master controller is for for temperature and humidity compared with corresponding preset threshold, output phase to answer alarm signal based on the received；Master controller be also used to carry out received temperature and humidity and the alarm signal of output it is comprehensive after looped network bus all the way successively through interchanger and PSCADA grid be sent to power scheduling host computer, another way is sent to electrical management staff terminal by wireless transport module；The reliable delivery of the quick transmission and alarm signal of information is realized by looped network bus and wireless transport module.
Description
Technical field
The disclosure belongs to rail traffic control field more particularly to a kind of applied to the alarm system led in mixed and its side
Method.
Background technique
Only there is provided background technical informations relevant to the disclosure for the statement of this part, it is not necessary to so constitute first skill
Art.
It administers and is led in mixed institute in track traffic department, since switchgear house is more, danger source is also more.Such as in GIS
(Gas Instulated Switchgear, i.e. gas do dielectric, and all switchgear assemblies are packaged together) is indoor
SF6 inert gas, although colorless and odorless is nontoxic, the contact resistance of equipment longtime running, internal electric contact becomes larger, and can generate
Fever phenomenon causes SF6 gas temperature to increase.Also, the variation of ambient temperature can also cause SF6 gas temperature very big
Influence.Due to transporting in installation process, impossible absolutely not steam in cabinet, and as ambient temperature, humidity become
Change, steam also will form, and steam is mixed with multiple compounds for a long time can corrode cabinet body, will lead to gas leak phenomenon when serious.More than
Multiple reasons decline GIS cabinet integral insulation performance, even puncture when serious, and then cause short circuit, form great thing
Therefore cause heavy economic losses.Meanwhile the electric arc that short circuit generates decomposes SF6 gas and various mixed gases, electrode
Reaction is learned, toxic gas is generated, if leakage can seriously jeopardize personal safety.
In direct current cabinet room, if staff is not to direct current cabinet battery and UPS (Uninterruptible Power
Supply, i.e. uninterruption power source) the regular charge/discharge operation of power-supply battery progress, it is allowed to be chronically at floating charge state, in ring
Border temperature, humidity seriously affect down, and battery insulation level decline, electrolyte may be revealed, and route is also likely to that short circuit occurs, directly
Connecing influences direct current cabinet safe operation, causes large-area power-cuts to high-pressure system.If each changed into switchhouse equipment is chronically at tide
In wet or hot environment, dehumidifying and cooling down not in time also will affect its service life.Currently, most domestic rail traffic department
Although having PSCADA (Power Supervisory Control And Data Acquisition, i.e. power monitoring and number
According to acquisition system) system also includes Synthetic Automation System of Transformer Substation in system, and have primary equipment monitoring, operation data
The functions such as acquisition, sequence of event, while also carry entire Substation Information processing, dispatching communication, central signal, protection
The functions such as automation.
Inventors have found that the variation of the factors such as battery temperature, humidity is in general control systems in the indoor battery cupboard of direct current cabinet
Middle attention rate it is not high (many times it is serious to will lead to battery electrode oxidation for high temperature and wet environment, it may occur however that battery leakage or
Short circuit accident), and they and the indoor SF6 gas temperature of GIS, humidity factor variation cannot be associated in monitoring programme simultaneously,
It is difficult to realize synthetical collection and control.Therefore lead to lead the SF6 gas temperature acquired in GIS cabinet that cannot be integrated in mixed institute, humidity,
And battery in-cabinet temperature, humidity in direct current cabinet room, it is often more important that cannot quickly find changed into switchhouse environmental abnormality, do rapidly
Act out, to dehumidify and cool down, above situation eventually lead to lead mixed institute shift to an earlier date ability to predict, quick-reaction capability and integrated pipe
Reason ability substantially reduces.
Summary of the invention
To solve the above-mentioned problems, the first aspect of the disclosure provides a kind of applied to the alarm system led in mixed,
It can acquire empty in the temperature and humidity of SF6 gas in GIS high-voltage board, the temperature and humidity in direct current cabinet room in battery cupboard and changed into switchhouse
The temperature and humidity of tune, and carry out temperature and humidity alarm analysis and synthesis in time improves the ability to predict in advance, quick for leading mixed institute
Respond and integrated management ability.
To achieve the goals above, the disclosure adopts the following technical scheme that
It is a kind of applied to the alarm system led in mixed, comprising:
Master controller is respectively connected with the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module；Institute
The first temperature and humidity module is stated for acquiring the temperature and humidity of SF6 gas in GIS high-voltage board, the second temperature and humidity module is for acquiring direct current
Shield the temperature and humidity in indoor battery cupboard, third temperature and humidity module is used to acquire the temperature and humidity of air-conditioning in changed into switchhouse；The master control
Device processed for the first temperature and humidity module based on the received, the second temperature and humidity module and the transmission of third temperature and humidity module temperature and humidity with
Corresponding preset threshold compares, and output phase answers alarm signal；
The master controller be also used to carry out received temperature and humidity and the alarm signal of output it is comprehensive after all the way according to
The secondary looped network bus through interchanger and PSCADA grid is sent to power scheduling host computer, and another way passes through wireless transmission mould
Block is sent to electrical management staff terminal；The quick transmission and alarm of information are realized by looped network bus and wireless transport module
The reliable delivery of signal.
To solve the above-mentioned problems, the second aspect of the disclosure provides a kind of applied to the alarm system led in mixed
Working method can acquire the temperature and humidity of SF6 gas in GIS high-voltage board, temperature and humidity and change in direct current cabinet room in battery cupboard
The temperature and humidity of distribution room conditioning, and carry out temperature and humidity alarm analysis and synthesis in time, improve lead mixed institute in advance in advance
Sentence ability, quick-reaction capability and integrated management ability.
To achieve the goals above, the disclosure adopts the following technical scheme that
It is a kind of applied to the working method for leading the alarm system in mixed, comprising:
Step 1: the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module acquire GIS high-voltage board respectively
It the temperature and humidity of air-conditioning and is sent in temperature and humidity and changed into switchhouse in the temperature and humidity of interior SF6 gas, direct current cabinet room in battery cupboard
Master controller；
Step 2: for temperature and humidity compared with corresponding preset threshold, output phase answers alarm signal to master controller based on the received；Together
When, master controller by received temperature and humidity and the alarm signal of output carry out it is comprehensive after all the way successively through interchanger with
The looped network bus of PSCADA grid is sent to power scheduling host computer, and another way is sent to electric power by wireless transport module
Administrative staff's terminal realizes the reliable biography of the quick transmission and alarm signal of information by looped network bus and wireless transport module
It passs.
The beneficial effect of the disclosure is:
The disclosure can acquire the temperature and humidity of SF6 gas in GIS high-voltage board, the temperature and humidity in direct current cabinet room in battery cupboard and
The temperature and humidity of air-conditioning in changed into switchhouse, and carry out temperature and humidity alarm analysis and synthesis in time, so that leading mixed alarm system
Unite more complete, safety coefficient is higher, be conducive to lead mixed institute operator on duty, dispatcher and manager accomplish it is pre- in advance to accident
Sentence, quickly make a response and decision, accident and hidden danger are eliminated in time, guarantees travelling facility power supply safety and passenger's person peace
Entirely.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
It is a kind of applied to the alarm system structural schematic diagram led in mixed that Fig. 1 is that the embodiment of the present disclosure provides.
Fig. 2 is the schematic diagram that automatically resets for exporting and alarming to temperature control command that the embodiment of the present disclosure provides.
Fig. 3 is the battery alarm wiring diagram for the direct current cabinet room that the embodiment of the present disclosure provides.
Specific embodiment
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Term is explained:
The traction mixing electric substation that mixed be rail traffic department is administered is led, electric locomotive provides electricity in one's power for this for it
Can, it leads in mixed institute that voltage level is numerous, includes AC 35kV, AC 0.4kV, DC 1500V etc.；It also include multiple switchgear houses, such as:
The hyperbaric chamber 35kV, direct current cabinet room, DC distribution room, transformer room etc..
The present embodiment it is a kind of applied to the alarm system led in mixed, comprising:
Master controller is respectively connected with the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module；Institute
The first temperature and humidity module is stated for acquiring the temperature and humidity of SF6 gas in GIS high-voltage board, the second temperature and humidity module is for acquiring direct current
Shield the temperature and humidity in indoor battery cupboard, third temperature and humidity module is used to acquire the temperature and humidity of air-conditioning in changed into switchhouse；The master control
Device processed for the first temperature and humidity module based on the received, the second temperature and humidity module and the transmission of third temperature and humidity module temperature and humidity with
Corresponding preset threshold compares, and output phase answers alarm signal；
The master controller be also used to carry out received temperature and humidity and the alarm signal of output it is comprehensive after all the way according to
The secondary looped network bus through interchanger and PSCADA grid is sent to power scheduling host computer, and another way passes through wireless transmission mould
Block is sent to electrical management staff terminal；The quick transmission and alarm of information are realized by looped network bus and wireless transport module
The reliable delivery of signal.
Specifically, PLC chip or other programmable logic chips can be used to realize in master controller, those skilled in the art
It can be specifically chosen the model of master controller according to the actual situation.
The first temperature and humidity module and third temperature and humidity module are that the temperature sensor being integrated in one and humidity pass
Sensor.
As a kind of optional embodiment, the first temperature and humidity module is connected by the first gsm module with master controller.
Wherein, gsm module is that GSM radio frequency chip, baseband processing chip, memory, power discharging device etc. are integrated in one piece
On wiring board, there is independent operating system, GSM radio frequency processing, Base-Band Processing and the functional module of standard interface is provided.GSM
The structure of module is existing structure, and those skilled in the art can be specifically chosen respective model according to the actual situation.
As another optional embodiment, the first temperature and humidity module passes through the first RS485 connection and main control
Device is connected.
Wherein, the model of temperature sensor and humidity sensor can be specifically chosen according to the actual situation.
Temperature in GIS high-voltage board is excessively high to be may cause pressure in cabinet and declines, and insulation degree reduces.SF6 gas generally needs
Pressure is measured in 20 DEG C of values, numerical value is gas density value in GIS cabinet at this time, and GIS cabinet is only judged by density monitor
Whether need tonifying Qi or whether need to send out a locking contact point signal (i.e. trouble-signal) to be transmitted to host computer.In conclusion gas
The measurement of volume density value and temperature-compensating are extremely important, so design integration temperature-humidity sensor, i.e. sensor in GIS cabinet
Temperature and humidity signal is detected simultaneously, then temperature, moisture signal, which reach master controller by RS485 communication, (can also be used nothing
Signal is reached master controller by line sensing technology), program benefit finally is carried out to observed temperature signal numerical value using master controller
It repays, pressure value is made to become 20 DEG C of pressure values, i.e., gas density value at this time in program；Meanwhile master controller is also to GIS high pressure
Humidity in cabinet is monitored in real time, so that the moisture constant in GIS high-voltage board.
As a kind of optional embodiment, the second temperature and humidity module includes temperature sensor and humidity sensor, institute
It states temperature sensor to be connected with mechanical temperature controller, temperature sensor and mechanical temperature controller are set to battery cupboard in direct current cabinet room
Interior battery surface.
Wherein, mechanical temperature controller is suitable for the room temperature control of industry, business and civil buildings.Mechanical temperature controller
It using inflation diaphragm capsule temperature sensing, and is compared with user's set temperature, air-conditioning equipment is automatically controlled, to reach constant indoor temperature mesh
's.Keep controlled site surrounding temperature constant within the scope of set temperature.Temperature setting driver chuck pointer should be set as required constant temperature
Spend position.Toggle switch function is respectively as follows: power switch (opening ON-pass OFF)；Operational mode switchs (heating HEAT-cold air
COOL), FAN Wind speed switch (low speed L-middling speed M-high speed H).Controllable device: third gear fan coil wind speed, three lines are electronic
Valve, two wires motor-driven valve can also connect solenoid valve, switching mode air-valve or three line style air-valves.
As a kind of optional embodiment, the second temperature and humidity module is connected with PLC in direct current cabinet room, the direct current cabinet
Indoor PLC is connected by Ethernet transmission cable with master controller.
As a kind of optional embodiment, the master controller is also connected with the blower in battery cupboard in direct current cabinet room.
Battery is more in direct-current cabinet, in addition there are also part ups power in direct current cabinet room, UPS battery quantity is more huge.
In order to preferably be all battery dehumidifying in direct current cabinet room, cooling, by the contactor status signal of all battery cupboard upper fans and open
Dynamic, stop signal is all in the PLC rack of access direct current cabinet room.
Meanwhile in order to make each piece of battery that can be detected real time temperature, mechanical temperature is installed additional in every piece of battery surface
Spend alarm controller.Then all battery surface heat alarms, cabinet humidity sensor signal are all passed to direct current cabinet
In the PLC rack of room.All information are all reached into interchanger in electric substation's main control room PLC rack finally by ethernet communication,
And then reach master controller.
As a kind of optional embodiment, the third temperature and humidity module is connected with air-conditioner controller in changed into switchhouse, institute
It states air-conditioner controller to be connected with protocol conversion module, the protocol conversion module passes through the 2nd RS485 connection and master controller
It is connected.
As a kind of optional embodiment, the master controller is also in communication with each other with master control room host computer.
Specifically, as shown in Figure 1, the present embodiment it is a kind of applied to the alarm system led in mixed, master controller installation
It is leading in mixed institute's master control room PLC rack 16, the first temperature and humidity module is mounted in GIS high-voltage board 1, and is provided in GIS high-voltage board 1
One gsm module 2, the first temperature and humidity module are connected by the first gsm module with master controller, and the first temperature and humidity module also passes through the
One RS485 connection 3 is connected with master controller in mixed institute's master control room PLC rack 16 is led.
The present embodiment by lead include three changed into switchhouse in mixed institute for, wherein in the convertible frequency air-conditioner 4 of the first changed into switchhouse
The first air-conditioner controller be connected with the first protocol conversion module 5, the second air-conditioning control in the convertible frequency air-conditioner 7 of the second changed into switchhouse
Device processed is connected with second protocol conversion module 8, and the first air-conditioner controller in the convertible frequency air-conditioner 9 of third changed into switchhouse and third are assisted
It discusses conversion module 10 to be connected, the first protocol conversion module 5, second protocol conversion module 8 and third protocol conversion module 10 are distinguished
It is connected by the 2nd RS485 connection 6 with master controller in mixed institute's master control room PLC rack 16 is led.
The present embodiment includes in three direct current cabinet rooms for battery cupboard to lead in mixed institute, wherein the first direct current cabinet indoor electric
Battery cupboard 12 in pond cabinet 11, the second direct current cabinet room, battery cupboard 13 is controlled with the PLC of direct current cabinet room direct current cabinet in third direct current cabinet room
PLC in cabinet 14 processed is connected, and battery cupboard 11, the second direct current cabinet indoor electric is arranged in the first direct current cabinet room in the second temperature and humidity module
In pond cabinet 12, third direct current cabinet room in battery cupboard 13, the second temperature and humidity module by battery cupboard 11 in the first direct current cabinet room of acquisition,
Battery cupboard 12 in second direct current cabinet room, the temperature and humidity in third direct current cabinet room in battery cupboard 13 are sent to direct current cabinet room direct current cabinet
PLC in PLC control cabinet 14 is sent to through Ethernet transmission cable 15 and leads master controller in mixed institute's master control room PLC rack 16.
It leads and is additionally provided with master control room PLC rack switch chassis 17 in mixed institute's master control room PLC rack 16, the exchange of master control room PLC rack
Machine rack 17 is provided with interchanger, master controller the warning message of received temperature-humidity signal and output is summarized after through
Two gsm modules 18 are sent to the first electrical management staff terminal 26, the second electrical management staff terminal 27, third electrical management people
Member's terminal 28.
Meanwhile master controller the warning message of received temperature-humidity signal and output is summarized after be also communicated to first
Master control room host computer 19 and the second master control room host computer 20；Master controller is by received temperature-humidity signal and the alarm of output
Information also controls host computer 23 by the looped network bus scheduling of PSCADA grid after summarizing.Wherein, PSCADA grid
Looped network bus be dual bus, i.e., one main one is standby；The looped network bus of PSCADA grid is transmitted by signal transmssion line 21, looped network
Line 22, main bus 24, standby bus 25 are constituted.
The present embodiment is being led in mixed institute's master control room PLC rack, installs (the i.e. industry of model JCJ505 of short message remote controllers
Monitor gsm module), gsm module and SIM cards of mobile phones reach communications protocol (i.e. a side send information, and another party receives data, separately
Outer long-range host computer can connect the RS484 communication port of JCJ505 and then change temperature, humidity alarm threshold value).Temperature, humidity pass
The signals such as sensor can be passed to JCJ505 controller by 8 mouthfuls of wireless inputs of JCJ505, then after gsm module processing information,
Temperature, humidity alarm information and other significant datas are sent to using mobile network and lead mixed institute administrative staff and distant place electric power tune
The SIM cards of mobile phones of degree personnel realizes real-time, synchronous alarm.
While using wireless transmission, also using the mixed existing PSCADA system of institute is led, by temperature, the humidity in GSM
The important informations such as alarm are transmitted to by RS485 communication and lead mixed institute's master control room PLC rack interchanger, and the ring of PSCADA system is then passed through
Network bus is sent to the power scheduling room host computer of distant place control centre, provides information for dispatcher, judges and decision.Most
Eventually, data are realized information and quickly transmitted and alarm reliable delivery, made by wireless transmission and two kinds of paths of looped network bus transfer
Transmission process " dual fail-safe ".
In the present embodiment, master controller is by taking PLC as an example, and is mounted in main control room PLC rack:
Control for all changed into switchhouse and GIS room temperature, humidity, main control room host computer issue control command to master
Control room PLC rack may then pass through in program communication protocol and protocol conversion module control command and be transferred to convertible frequency air-conditioner
Controller, adjust air-conditioning frequency f and dehumidifying item.When master control room PLC detects that air-conditioning failure can also send out reset signal RESET
It is transmitted to convertible frequency air-conditioner and reopens machine.
It is programmed to export temperature control command and alarm automatic by each functional block of programming software STEP7
It resets, process is as shown in Figure 2:
Firstly, as seen from the figure, SCALE type conversion function block is totally converted warming signal PIW250PIW251PIW252
For the shape data MD200, MD201, MD202 of computer identification.Then, by CAMP comparing function block signal value
MD200MD200, MD201, MD202 are respectively compared with 38 degree of alarm setting value, when only there are three signal values all greater than 38 degree,
And (host computer alarm system is in auto state, i.e. SW_AT=1) is connected in the enable end EN of AND functional block (logical "and"),
It finally can just make M1.0 set (M1.0 is defined as the booting of UPS cabinet air-introduced machine), be connected by M1.0, so that M1.1 is also led automatically
Logical (M1.1 may be defined as the booting of UPS cabinet exhaust blower).The Self-resetting of alert program is also very simple, passes through the RET of AND functional block
(reseting port), when three signal values are both less than 35 degree by comparing functional block (CAMP functional block), automatically reset the port RET
(can also send out reset signal RESET in host computer manually to reset alarm at this time), system restores normal, and blower stops operating.
Many battery cupboard dehumidifying indoor for direct current cabinet, cooling control, can be in each battery cabinet body left and right sides
Two mechanical Fan Equipments (a strength air draught, a strength air draft) are installed in aperture additional.When main control room PLC detects certain
Three pieces or more battery temperatures alarm in a battery cupboard, so that it may immediately pass through host computer and issue some battery cupboard mechanical fan manually and open
Machine signal DO1, DO2,, Don (logic judgment can also be carried out by programming, the automatic blower that issues is switched on forced-ventilated wind
Number).Fig. 3 is the battery alarm wiring diagram of direct current cabinet room, and wherein 2-1,2-2,2-3 are respectively first some UPS of direct current cabinet room electricity
The battery cupboard of pond cabinet or direct current cabinet itself, second some UPS battery cabinet of direct current cabinet room or direct current cabinet itself battery cupboard and
The battery cupboard of some UPS battery cabinet of third direct current cabinet room or direct current cabinet itself, 2-7 are DC220V power supply, and 2-8 is direct current cabinet room
The PLC controller of direct current cabinet itself, 9 16 are transmitted to PLC rack for the corresponding input signal of each temperature controller.Only battery cupboard
First temperature controller 2-4, second temperature controller 2-5, the third temperature controller 2-6 on surface, any one reaches temperature control
When device threshold value, corresponding 9 to 16 input terminal can be just closed, and input high level signal is to PLC rack.Finally by ether Netcom
Main control room PC control signal is reached direct current cabinet chamber interior PLC by news, opens mechanical wind rapidly to the battery cupboard of alarm
Machine is dehumidified, is cooled down.
The working method for being applied to lead the alarm system in mixed of the present embodiment, comprising:
Step 1: the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module acquire GIS high-voltage board respectively
It the temperature and humidity of air-conditioning and is sent in temperature and humidity and changed into switchhouse in the temperature and humidity of interior SF6 gas, direct current cabinet room in battery cupboard
Master controller；
Step 2: for temperature and humidity compared with corresponding preset threshold, output phase answers alarm signal to master controller based on the received；Together
When, master controller by received temperature and humidity and the alarm signal of output carry out it is comprehensive after all the way successively through interchanger with
The looped network bus of PSCADA grid is sent to power scheduling host computer, and another way is sent to electric power by wireless transport module
Administrative staff's terminal realizes the reliable biography of the quick transmission and alarm signal of information by looped network bus and wireless transport module
It passs.
The present embodiment can acquire the temperature and humidity of SF6 gas in GIS high-voltage board, the temperature and humidity in direct current cabinet room in battery cupboard
With the temperature and humidity of air-conditioning in changed into switchhouse, and temperature and humidity alarm analysis and synthesis are carried out in time, so that leading mixed alarm
System is more complete, and safety coefficient is higher, is conducive to lead mixed institute operator on duty, dispatcher and manager and accomplishes to shift to an earlier date accident
Anticipation, quickly makes a response and decision, and accident and hidden danger are eliminated in time, guarantees travelling facility power supply safety and passenger's person peace
Entirely.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of applied to the alarm system led in mixed characterized by comprising
Master controller is respectively connected with the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module；Described
One temperature and humidity module is used to acquire the temperature and humidity of SF6 gas in GIS high-voltage board, and the second temperature and humidity module is for acquiring direct current cabinet room
Temperature and humidity in interior battery cupboard, third temperature and humidity module are used to acquire the temperature and humidity of air-conditioning in changed into switchhouse；The master controller
For the temperature and humidity of the first temperature and humidity module based on the received, the second temperature and humidity module and third temperature and humidity module transmission and corresponding
Preset threshold compares, and output phase answers alarm signal；
The master controller successively passes through all the way after being also used to carry out received temperature and humidity and the alarm signal of output synthesis
The looped network bus of interchanger and PSCADA grid is sent to power scheduling host computer, and another way is passed by wireless transport module
It send to electrical management staff terminal；The quick transmission and alarm signal of information are realized by looped network bus and wireless transport module
Reliable delivery.
2. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that first temperature and humidity
Module and third temperature and humidity module are the temperature sensor and humidity sensor being integrated in one.
3. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that second temperature and humidity
Module includes temperature sensor and humidity sensor, and the temperature sensor is connected with mechanical temperature controller, temperature sensor with
Mechanical temperature controller is set in direct current cabinet room battery surface in battery cupboard.
4. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that first temperature and humidity
Module is connected by the first gsm module with master controller.
5. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that first temperature and humidity
Module is connected by the first RS485 connection with master controller.
6. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that second temperature and humidity
Module is connected with PLC in direct current cabinet room, and PLC is connected by Ethernet transmission cable with master controller in the direct current cabinet room.
7. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that the third temperature and humidity
Module is connected with air-conditioner controller in changed into switchhouse, and the air-conditioner controller is connected with protocol conversion module, the protocol conversion
Module is connected by the 2nd RS485 connection with master controller.
8. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that the master controller is also
It is in communication with each other with master control room host computer.
9. as described in claim 1 a kind of applied to the alarm system led in mixed, which is characterized in that the master controller is also
It is connected with the blower in direct current cabinet room in battery cupboard.
10. a kind of working method for being applied to lead the alarm system in mixed as claimed in any one of claims 1-9 wherein, special
Sign is, comprising:
Step 1: the first temperature and humidity module, the second temperature and humidity module and third temperature and humidity module acquire SF6 in GIS high-voltage board respectively
The temperature and humidity of air-conditioning and main control is sent in temperature and humidity and changed into switchhouse in the temperature and humidity of gas, direct current cabinet room in battery cupboard
Device；
Step 2: for temperature and humidity compared with corresponding preset threshold, output phase answers alarm signal to master controller based on the received；Meanwhile it is main
Controller carries out received temperature and humidity and the alarm signal of output after integrating all the way successively through interchanger and PSCADA system
The looped network bus of system network is sent to power scheduling host computer, and another way is sent to electrical management personnel by wireless transport module
Terminal realizes the reliable delivery of the quick transmission and alarm signal of information by looped network bus and wireless transport module.
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