CN208921351U - The leakage monitoring and warning note system of electrical equipment gas medium - Google Patents
The leakage monitoring and warning note system of electrical equipment gas medium Download PDFInfo
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- CN208921351U CN208921351U CN201821732515.0U CN201821732515U CN208921351U CN 208921351 U CN208921351 U CN 208921351U CN 201821732515 U CN201821732515 U CN 201821732515U CN 208921351 U CN208921351 U CN 208921351U
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- electrical equipment
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Abstract
The utility model provides the leakage monitoring and warning note system of a kind of electrical equipment gas medium, it include: the gas-monitoring transmitter and human inductor being set in the electrical equipment local environment containing gas medium, gas-monitoring transmitter is used to obtain the concentration information of the gas medium of electrical equipment local environment, and human inductor generates human body sensing information when electrical equipment local environment has personnel to enter；Host, it is connected respectively by fieldbus with gas-monitoring transmitter and human inductor, for receiving concentration information, and alarm signal is generated when judging gas medium leakage according to concentration information, blower starting standby signal is generated when judging gas medium leakage according to concentration information and receiving human body sensing information；Alarm is connected by fieldbus with host, and when receiving alarm signal, starting is to alarm；Voice prompting device is connected by fieldbus with host, and the suggestion voice of starting blower is issued when receiving blower starting standby signal.
Description
Technical field
The utility model relates to electrical equipment monitoring technical fields, and in particular to a kind of leakage of electrical equipment gas medium
Monitoring and warning note system.
Background technique
Pure SF6(sulfur hexafluoride) gas is colourless, tasteless, odorless, non-ignitable, and chemical property is stablized at normal temperature, belongs to lazy
Property gas.But in power industry, due to SF6It is widely used in high-voltage switch gear primarily as insulation and arc-extinguishing medium and its sets
It is standby, in breaker and GIS (Gas insulated Switchgear, gas-insulating and fully-enclosed combined electrical apparatus) operating process,
Under the influence of the factors such as electric arc, corona, spark discharge and shelf depreciation, high temperature, SF6Gas will do it decomposition, its decomposition
Object will become aggressive electrolyte after encountering moisture, especially some high toxicity decomposition products, as SF4, S2F2, S2F10, SOF2,
HF and SO2, they can stimulate skin, eyes, mucous membrane, if soakage is big, can also cause dizzy and pulmonary edema, or even cause people dead
It dies.
SF is installed6The interior space of high-tension apparatus is generally all more closed, once SF occurs6Gas leakage, due to air circulation
Extremely slowly, toxic decomposition object deposits indoors, is not easy to be discharged, thus to SF is entered6The staff of switch gear room generates very big
Danger.Moreover, because SF6The specific gravity of gas is compared with O2Greatly, as generation SF6When gas leaks, SF6Gas will be in low layer space product
It is poly-, ischaemia is caused, makes one to suffocate.On the other hand, due to SF6Gas colorless and odorless itself, is not easy to allow people after leaking
Discover, this adds increased to the potentially danger for entering leak scene staff, seriously threatens the safety and health of personnel, very
To causing serious accident.
Utility model content
The utility model is to solve because of electrical equipment gas medium such as SF6The technical issues of leaking and causing danger provides
The leakage monitoring and warning note system of a kind of electrical equipment gas medium.
The technical solution adopted in the utility model is as follows:
A kind of leakage monitoring and warning note system of electrical equipment gas medium, comprising: gas-monitoring transmitter, it is described
Gas-monitoring transmitter is set in the electrical equipment local environment containing gas medium, and the gas-monitoring transmitter is for obtaining
Take the concentration information of the gas medium of the electrical equipment local environment；Human inductor, the human inductor are set to institute
It states in electrical equipment local environment, the human inductor is used for the generation when the electrical equipment local environment has personnel to enter
Human body sensing information；Host, the host pass through fieldbus and the gas-monitoring transmitter and the human body sensing respectively
Device is connected, and the host is judging that the gas medium leaks according to the concentration information for receiving the concentration information
Shi Shengcheng alarm signal, and the gas medium leakage is being judged according to the concentration information and is receiving the human body sensing
Blower is generated when information starts standby signal；Alarm, the alarm are connected by fieldbus with the host, the report
Alert device starts when receiving the alarm signal to alarm；Voice prompting device, the voice prompting device are total by scene
Line is connected with the host, and the voice prompting device issues mentioning for starting blower when receiving the blower starting standby signal
Show voice.
The gas-monitoring transmitter includes SF6Sensor and the first converter, the SF6Sensor is for detecting institute
State the SF of electrical equipment local environment6Concentration, first converter are used for the SF6The detection signal of sensor carries out
AD conversion.
The gas-monitoring transmitter further includes lambda sensor and the second converter, and the lambda sensor is for detecting institute
The oxygen concentration of electrical equipment local environment is stated, second converter is used to carry out the detection signal of the lambda sensor
AD conversion.
The leakage monitoring and warning note system of the electrical equipment gas medium, further includes: temperature-humidity monitoring pick-up
Device, the temperature-humidity monitoring transmitter are set in the electrical equipment local environment containing gas medium, the temperature-humidity monitoring
Transmitter is used to obtain the temperature and humidity information of the electrical equipment local environment.
The host includes display, and the display is for showing the concentration information, the temperature and humidity information.
The leakage monitoring and warning note system of the electrical equipment gas medium, further include power module, the electricity
Source module is respectively that the gas-monitoring transmitter, the human inductor, the host, the alarm, the voice mention
Show device and temperature-humidity monitoring transmitter power supply.
The alarm includes alarm lamp.
The fieldbus is RS485 bus or CAN bus.
The utility model has the beneficial effects that
The leakage monitoring and warning note system of the electrical equipment gas medium of the utility model, by being situated between containing gas
Gas-monitoring transmitter and human inductor are set in the electrical equipment local environment of matter, and pass through setting and gas-monitoring pick-up
The host that device is connected with human inductor, the alarm and voice prompting device being connected with host, can be become as a result, by gas-monitoring
The concentration information for sending device to obtain the gas medium of electrical equipment local environment, host can judge gas medium according to concentration information
Alarm starting alarm is controlled when leakage, and control voice mentions when judging gas medium leakage and receiving human body sensing information
Show that device issues the suggestion voice of starting blower, so as to timely and effectively detect whether electrical equipment gas medium leaks, and
Automatic alarm and ventilation prompt are carried out in the leakage of electrical equipment gas medium, can effectively avoid sending out because gas medium leaks
It is raw dangerous, substantially increase safety.
Detailed description of the invention
Fig. 1 is the leakage monitoring of the electrical equipment gas medium of the utility model embodiment and the box of warning note system
Schematic diagram；
Fig. 2 is the leakage monitoring and warning note system of the electrical equipment gas medium of the utility model one embodiment
Block diagram；
Fig. 3 is the host interface schematic diagram of the utility model one embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the leakage monitoring and warning note system of the electrical equipment gas medium of the utility model, including gas
Body monitoring transducer 10, human inductor 20, host 30, alarm 40 and voice prompting device 50.Wherein, gas-monitoring transmitter
10 are set in the electrical equipment local environment containing gas medium, and gas-monitoring transmitter 10 is for obtaining locating for electrical equipment
The concentration information of the gas medium of environment；Human inductor 20 is set in electrical equipment local environment, and human inductor 20 is used
In the generation human body sensing information when electrical equipment local environment has personnel to enter；Host 30 passes through fieldbus and gas respectively
Monitoring transducer is connected with human inductor 20, and host 30 is judging gas according to concentration information for receiving concentration information
Alarm signal is generated when dielectric leakage, and gas medium leakage is being judged according to concentration information and is receiving human body sensing information
Shi Shengcheng blower starts standby signal；Alarm 40 is connected by fieldbus with host, and alarm 40 is receiving alarm signal
Number when starting to alarm；Voice prompting device 50 is connected by fieldbus with host 30, and voice prompting device 50 is receiving
Blower issues the suggestion voice of starting blower when starting standby signal.
In one embodiment of the utility model, electrical equipment gas medium is SF6.As shown in Fig. 2, gas-monitoring becomes
Sending device 10 includes SF6Sensor 11 and the first converter 12, SF6Sensor 11 is used to detect the SF of electrical equipment local environment6
Concentration, the first converter 12 are used for SF6The detection signal of sensor 11 is AD converted.First converter 12 passes through existing
Field bus is connected to host 20, by the SF of digital form6The information such as concentration are transmitted to host 20.
In one embodiment of the utility model, as shown in Fig. 2, gas-monitoring transmitter 10 may also include lambda sensor
13 and second converter 14, lambda sensor 13 be used to detect the oxygen concentration of electrical equipment local environment, the second converter
14 for being AD converted the detection signal of lambda sensor 13.Second converter 14 is connected to host by fieldbus
20, the information such as the oxygen concentration of digital form are transmitted to host 20.
In a specific embodiment of the utility model, human inductor 20 can be thermal infrared human inductor, such as
The human inductor of model Si1102, alternatively, can be microwave human inductor, such as the human body sensing of model SS0002
Device.
In a specific embodiment of the utility model, fieldbus is RS485 bus or CAN bus.With existing in Fig. 2
Field bus is for RS485 bus.
In a specific embodiment of the utility model, 30 model of host can be ES-9000B, as shown in figure 3, it becomes
Device interface is sent to can be used to connect gas-monitoring transmitter 10.Whether host 30 can judge gas medium according to the concentration threshold of setting
In other words leakage can generate alarm signal according to the alarm point of setting and blower starts standby signal.Such as SF6Concentration alarm
Point can be 1000ppm, and oxygen concentration alarm point can be 18%, work as SF6The SF that sensor 11 detects6Concentration is greater than 1000ppm
When or the oxygen concentration that detects of lambda sensor 13 less than 18% when, host 30 produces alarm signal and blower starting mentions
Show signal.That is, in SF6Concentration is greater than the SF of alarm point setting6Concentration or oxygen concentration are less than the oxygen of alarm point setting
When concentration, host 30 can be automatically controled the alarm of alarm 40, and controls voice prompting device 50 and issue suggestion voice so that user opens
Dynamic blower ventilation.Meanwhile host 30 can also be connected with blower to obtain the current working status of blower, and according to concentration information
Judge gas medium leakage and receives human body sensing information and when blower is not in working condition controls voice prompting device 50
The suggestion voice of starting blower is issued, until blower starting or personnel leave.
Further, host 30 can have multiple transmitter interfaces, and multiple transmitter interfaces can respectively correspond and multiple gas
Body monitoring transducer is connected, and as a result, by the way that gas-monitoring transmitter is respectively set in multiple and different regions, can be realized to multiple
The leak supervision of the gas medium in region is alarmed.
As shown in figure 3, host 30 has the remote alarm interface and fan interface, remote alarm interface and wind of corresponding multiple regions setting
Machine interface is respectively to connect alarm 40 and voice prompting device 50.Also there is host 30 people to feel interface, and people feels interface to even
Connect human inductor 20.
In a specific embodiment of the utility model, alarm 40 may include alarm lamp, such as may include model
The luminous tube of JD701-L03R/22, it is glittering to carry out gas leakage by alarm lamp when alarm 40 receives alarm signal
Alarm.
In a specific embodiment of the utility model, blower can be NDF series low noise stainless steel ventilation blower, by type
Number for FKQ-3 controller of fan control.The type of blower may include straight way formula or curve type, and the shutter of blower can be fixation
Formula, can perhaps be automatically opened by the wind-force of air draft shutter or can when opening blower electronic opening shutter.Blower is also
It can be intelligent blower, can be according to ambient temperature and humidity situation, automatic start-stop blower, temperature and humidity opens control point can be on blower
Arbitrarily it is arranged on temperature and humidity controller panel.The working power of blower can be AC220V, AC380 or DC220V, the motor of blower
It can be plain edition or explosion-proof type, be selected according to application.
In one embodiment of the utility model, the leakage monitoring and warning note system of electrical equipment gas medium are also
It may include monitor terminal, monitor terminal and host carry out wire communication connection or wireless communication connects, and monitor terminal can be by this
Communication connection receives alarm signal, and shows warning message.As shown in figure 3, host 30 has total remote alarm interface, it can be by always reporting
Alarm signal is uploaded to monitor terminal by alert interface.In a specific embodiment of the utility model, monitor terminal can be electricity
Brain or mobile phone.As a result, by the way that alarm signal is sent to monitor terminal, it can be achieved that remote-end alarm.
In one embodiment of the utility model, as shown in Fig. 2, the leakage monitoring of electrical equipment gas medium and alarm
Prompt system may also include temperature-humidity monitoring transmitter 60, and temperature-humidity monitoring transmitter 60 is set to containing the electrical of gas medium
In equipment local environment, temperature-humidity monitoring transmitter 60 is used to obtain the temperature and humidity information of electrical equipment local environment.Such as
Shown in Fig. 2, temperature-humidity monitoring transmitter 60 may include temperature sensor 61, third converter 62, humidity sensor 63 and
Four converters 64, temperature sensor 61 and humidity sensor 63 are respectively used to the detection temperature of electrical equipment local environment and wet
Degree, third converter 62 and the 4th converter 64 are respectively used to the letter of the detection to temperature sensor 61 and humidity sensor 63
It number is AD converted.Third converter 62 and the 4th converter 64 are connected to host 30 by fieldbus, will be digital
The information such as temperature, the humidity of form are transmitted to host 30.
In one embodiment of the utility model, host 30 includes display, and display can display density information, temperature
And humidity information.In a specific embodiment of the utility model, display can be liquid crystal display.Host 30 is receiving
When human body sensing information, also controllable display lights back lighting lamp, the preset time after personnel leave, such as 40 seconds, i.e. people
After body induction information disappearance preset time, control display backlight headlamp extinguishes.
Further, the leakage monitoring of electrical equipment gas medium and warning note system further include power module, power supply
Module is respectively gas-monitoring transmitter 10, human inductor 20, host 30, alarm 40, voice prompting device 50 and temperature and humidity
Monitoring transducer 60 is powered.As shown in figure 3, host 30 has AC220V input interface, AC220V is connected to by air switch
Power input, host 30 have AC220V output interface, are handled by internal electric power source pair of module AC220V output, are upper
It states each power device and corresponding power supply is provided.
In a specific embodiment of the utility model, 30 bulkhead of host is hanging two kinds cabinet type with screen.Wall-mounted host
It is typically mounted at master control room or SF6On the indoor wall of switch gear room inlet, about 1.3 meters~1.5 meters of height and position, facilitate fortune inspection people
Member's observation and operation.Then insertion type is mounted in master control room screen cabinet screen basic housing cabinet.Each transmitter is typically mounted under equipment
On the channel steel of side basis, in part, metope can be fixed or be directly anchored in the ground of foundation-free channel steel by homemade L-type fixed frame
On, ground proximity is installed as far as possible, terrain clearance about 1cm or so.Connecting cable such as table 1 between host 30 and other equipment:
Table 1
| Cable start position | Cable final position | Line name | Model specification |
| Host | Distribution box | Host power supply | RVV2*1 |
| Host | Transmitter | Transmitter power supply, communication | RVV5*0.5 |
| Host | Alarm lamp | Alarm lamp power supply and signal | RVV2*1 |
| Host | Voice prompting device | Blower starts standby signal | RVV2*1 |
| Host | Master control room | Communication signal | RVVP3*0.5 |
In general, the leakage monitoring of electrical equipment gas medium and warning note system are with 220V AC power source or electric power storage
Power input interface is accessed as power supply in pond, and power output interface passes through power input of the cable connection to host, gas
Body transmitter and humiture transducer are powered by the power output end and RS485 communication terminal of cable connection to host with realizing
Information detected is sent with to host.By cable connection to alarm lamp, blower starting prompt is defeated at the warning output end of host
Outlet by cable connection arrive voice prompting device, be sent to it blower start standby signal, host computer communication terminal can with it is upper
Machine is communicated, and warning message etc. is uploaded.
In conclusion the leakage monitoring and warning note system of electrical equipment gas medium according to the present utility model, lead to
It crosses and gas-monitoring transmitter and human inductor is set in the electrical equipment local environment containing gas medium, and pass through setting
The host being connected with gas-monitoring transmitter and human inductor, the alarm and voice prompting device being connected with host, as a result, may be used
The concentration information of the gas medium of electrical equipment local environment is obtained by gas-monitoring transmitter, host can be believed according to concentration
Breath judges control alarm starting alarm when gas medium leakage, and is judging gas medium leakage and receiving human body sensing letter
The suggestion voice that voice prompting device issues starting blower is controlled when breath, is situated between so as to timely and effectively detect electrical equipment gas
Whether matter leaks, and carries out automatic alarm and ventilation prompt in the leakage of electrical equipment gas medium, can effectively avoid because of gas
Body dielectric leakage and cause danger, substantially increase safety.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. the leakage monitoring and warning note system of a kind of electrical equipment gas medium characterized by comprising
Gas-monitoring transmitter, the gas-monitoring transmitter are set in the electrical equipment local environment containing gas medium,
The gas-monitoring transmitter is used to obtain the concentration information of the gas medium of the electrical equipment local environment；
Human inductor, the human inductor are set in the electrical equipment local environment, and the human inductor is used for
Human body sensing information is generated when the electrical equipment local environment there are personnel to enter；
Host, the host pass through fieldbus respectively and are connected with the gas-monitoring transmitter and the human inductor, institute
Host is stated for receiving the concentration information, and generates and alarms when judging gas medium leakage according to the concentration information
Signal, and the generation when judging that the gas medium leaks and receives the human body sensing information according to the concentration information
Blower starts standby signal；
Alarm, the alarm are connected by fieldbus with the host, and the alarm is receiving the alarm signal
Number when starting to alarm；
Voice prompting device, the voice prompting device are connected by fieldbus with the host, and the voice prompting device is receiving
The suggestion voice of starting blower is issued when starting standby signal to the blower.
2. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 1, which is characterized in that
The gas-monitoring transmitter includes SF6Sensor and the first converter, the SF6Sensor described is electrically set for detecting
The SF of standby local environment6Concentration, first converter are used for the SF6The detection signal of sensor is AD converted.
3. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 2, which is characterized in that
The gas-monitoring transmitter further includes lambda sensor and the second converter, and the lambda sensor described is electrically set for detecting
The oxygen concentration of standby local environment, second converter is for being AD converted the detection signal of the lambda sensor.
4. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 3, which is characterized in that
Further include:
Temperature-humidity monitoring transmitter, the temperature-humidity monitoring transmitter are set to the electrical equipment local environment containing gas medium
In, the temperature-humidity monitoring transmitter is used to obtain the temperature and humidity information of the electrical equipment local environment.
5. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 4, which is characterized in that
The host includes display, and the display is for showing the concentration information, the temperature and humidity information.
6. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 5, which is characterized in that
Further include power module, the power module be respectively the gas-monitoring transmitter, the human inductor, the host,
The alarm, the voice prompting device and temperature-humidity monitoring transmitter power supply.
7. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 1, which is characterized in that
The alarm includes alarm lamp.
8. the leakage monitoring and warning note system of electrical equipment gas medium according to claim 1, which is characterized in that
The fieldbus is RS485 bus or CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732515.0U CN208921351U (en) | 2018-10-24 | 2018-10-24 | The leakage monitoring and warning note system of electrical equipment gas medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732515.0U CN208921351U (en) | 2018-10-24 | 2018-10-24 | The leakage monitoring and warning note system of electrical equipment gas medium |
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| CN208921351U true CN208921351U (en) | 2019-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624377A (en) * | 2021-03-09 | 2022-06-14 | 浙江福立分析仪器股份有限公司 | Liquid leakage double-monitoring alarm protection system and method for liquid chromatograph |
-
2018
- 2018-10-24 CN CN201821732515.0U patent/CN208921351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624377A (en) * | 2021-03-09 | 2022-06-14 | 浙江福立分析仪器股份有限公司 | Liquid leakage double-monitoring alarm protection system and method for liquid chromatograph |
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