CN206832768U - A kind of sulfur hexafluoride detecting system - Google Patents
A kind of sulfur hexafluoride detecting system Download PDFInfo
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- CN206832768U CN206832768U CN201720491271.0U CN201720491271U CN206832768U CN 206832768 U CN206832768 U CN 206832768U CN 201720491271 U CN201720491271 U CN 201720491271U CN 206832768 U CN206832768 U CN 206832768U
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- sulfur hexafluoride
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Abstract
The utility model discloses a kind of sulfur hexafluoride detecting system.It includes：Detection means body, the detection means body include some gas sample interfaces, the detection module for detecting concentration of sulfur hexafluoride and oxygen concentration, control chip and some communication interfaces；The gas sample interface is connected by multichannel manifold blocks with the detection module, and each gas sample interface is provided with the gas solenoid valve being connected with the control chip；The gas solenoid valve timesharing is opened；Several detection probes；The detection probe is arranged on the ground of predetermined detection position；The detection probe is connected by PU flexible pipes with the gas sample interface；The detection module and communication interface communicate to connect with the control chip.
Description
Technical field
It the utility model is related to technical field of electric equipment, more particularly to a kind of sulfur hexafluoride detecting system.
Background technology
Sulfur hexafluoride（SF6）It is a kind of gas with good electrical insulation properties and excellent arc extinction performance.Its is resistance to
Electric strength is 2.5 times of nitrogen under same pressure, and breakdown voltage is 2.5 times of air, and arc extinguishing ability is 100 times of air, excellent
Super-pressure insulating dielectric materials of new generation between air and oil.Sulfur hexafluoride is with its good insulating properties and arc-extinguishing
Can, it is widely used in all types of electrical equipments, such as：Breaker, high-tension transformer, sealing gland close combined capacitor, height
Press transmission line, transformer etc..
At present, to filled with SF6The leak detection of the transformer of gas, mainly use hand-held SF6Detector.Work as hand
Hold formula SF6When detector is close to leakage point, detector can just be detected and leaked.But due in power system, SF6Gas
Body can be decomposed into S under the reasons such as shelf depreciation, high temperature2F2、SOF2、HF、SO2Etc. toxic gas.So this kind of contact
Detection mode, certain personal safety risk can be brought to testing staff.In addition, SF instantly6Detector is most of only qualitative
Detection is either with or without leaking, it is impossible to carries out quantitative detection to the gas concentration of leakage, it is impossible to truly reflect the leakage journey of equipment
Degree, certain trouble is brought to follow-up maintenance.
Therefore, prior art is also to be developed.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sulfur hexafluoride detection system
System, it is intended to solve sulfur hexafluoride detection in the prior art and the problem of personal safety risk, no method quantitative measurement be present.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of sulfur hexafluoride detecting system, wherein, including：
Detection means body, the detection means body include some gas sample interfaces, dense for detecting sulfur hexafluoride
Detection module, control chip and some communication interfaces of degree and oxygen concentration；
The gas sample interface is connected by multichannel manifold blocks with the detection module, and each gas sample interface is set
It is equipped with the gas solenoid valve being connected with the control chip；The gas solenoid valve timesharing is opened；
Several detection probes；The detection probe is arranged on the ground of predetermined detection position；The detection probe is led to
PU flexible pipes are crossed to be connected with the gas sample interface；
The detection module and communication interface communicate to connect with the control chip.
Described system, wherein, the detection module includes：Vacuum suction pump, oxygen sensor, sulfur hexafluoride sensor with
And gas sense channel；
The oxygen sensor, sulfur hexafluoride sensor are arranged on the gas sense channel, obtain the sampling flowed through
Concentration of sulfur hexafluoride and oxygen concentration in gas；
It is external that described gas sense channel one end extends to the detection means sheet, forms exhaust outlet, the other end with it is described
Vacuum suction pump connects.
Described system, wherein, the communication interface includes：Air-blower control interface, the air-blower control interface to
Controller of fan connects, and exports corresponding control signal to described controller of fan to control the start and stop of axial flow blower.
Described system, wherein, the communication interface includes：RS485 EBIs.
Described system, wherein, the communication interface includes：Sound and light alarm interface, the sound and light alarm interface to
Alarm connects, and controls the alarm start and stop.
Described system, wherein, in addition to：Resistive touch formula display screen for user mutual；The resistive touch formula
Display screen is connected with the control chip, inputs control instruction or output testing result.
Described system, wherein, the communication interface also includes：Infrared induction interface, the infrared induction interface to
It is connected with human body infrared inductor.
Beneficial effect：Sulfur hexafluoride detecting system provided by the utility model, using the detection mode that timesharing is contactless,
The personal safety of testing staff can effectively be ensured and multiple test points can be laid at detection scene, monitor whether to occur
SF6 gases leak.Moreover, the detection of the sulfur hexafluoride is a quantitative detection, it is not necessary to human intervention, it may be determined that leakage
Degree size.
Brief description of the drawings
Fig. 1 is the structural representation for the sulfur hexafluoride detecting system that the utility model specific embodiment provides.
Embodiment
The utility model provides a kind of sulfur hexafluoride detecting system.To make the purpose of this utility model, technical scheme and effect
Fruit is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
Fig. 1 is a kind of sulfur hexafluoride detecting system that the utility model embodiment provides.As shown in figure 1, the detection system
System includes：Detection means body 100, the detection means body include some gas sample interfaces 110, lithium for detecting
The sulphur concentration and detection module of oxygen concentration 120, control chip 130 and some communication interfaces 140 and several detection probes
300。
Wherein, the control chip 130 is the central control unit of whole system, is responsible for performing one or more logic
Calculating process, by communication interface, export corresponding control signal or receive corresponding data, complete detection, alarm or
Other suitable functions.
The gas sample interface 110 is connected by multichannel manifold blocks 200 with the detection module 120, each gas
Sample connection 110 is provided with the gas solenoid valve 111 being connected with the control chip.The gas solenoid valve is in control chip
Under 130 control, timesharing successively is opened, and completes the sampling process of gas.
Because the density of sulfur hexafluoride is much larger than the density of air, can sink rapidly after leakage.Therefore, the detection probe
300 can be arranged on the ground of predetermined detection position, the sampled point as detection.The detection probe 300 passes through PU flexible pipes
310 are connected with the gas sample interface 110.
Specifically, as shown in figure 1, the detection module 120 can specifically include：Vacuum suction pump 121, oxygen sensor
122nd, sulfur hexafluoride sensor 123 and gas sense channel 124.
The oxygen sensor 122, sulfur hexafluoride sensor 123 are arranged on the gas sense channel 124.The gas
Passage end is surveyed in physical examination, and to extend to the detection means sheet external, forms exhaust outlet 125, the other end connects with the vacuum suction pump
Connect.Such, the gas sampled that detection probe sampling obtains is detected logical under the driving of the vacuum suction pump by the gas
Road, so as to detect the concentration of sulfur hexafluoride and oxygen concentration in sampling air by two sensors.
In certain embodiments, the system can lay multiple different detection probes according to the needs of actual conditions
Detected for the leak case of the no place of transformer or position.In the present embodiment, the system can at most be set
36 detection probes are put, realize the detection to 36 points in transformer respectively.It is corresponding that each point can be provided with oneself
Gas circuit is numbered, and under the control of the multichannel manifold blocks 200, is linked into the detection module 120 and is detected.
In actual mechanical process, under the control of control chip, Time-sharing control, control can be carried out to gas solenoid valve 111
Make after each magnetic valve 111 opens the predetermined time and close, be then turned on next magnetic valve, and by multichannel manifold blocks
Detection module described in 200 UNICOMs, the gas of specified point is detected.By such mode, within cycle regular hour
Timesharing is completed to detect for the timesharing sulfur hexafluoride of 36 points.
By above-mentioned contactless control mode, testing result corresponding to multiple different gas circuit numberings can be shown
Out, give monitoring personnel and carry out Macro or mass analysis.Because the detection of each test point is all automatic and actively monitors in real time.
Therefore, system can timely determine whether scene leaks, and realize timing, quantitative and safety detection purpose.
In specific embodiment of the utility model, the communication interface 140 can specifically include：Air-blower control interface
140a.The air-blower control interface 140a exports corresponding control signal to described blower fan control to be connected with controller of fan
Device processed is to control the start and stop of axial flow blower.For example, when SF occurs for generation fan linkage event or scene6, will during incident of leakage
Send and open blower fan signal, open the axial flow blower of scene ventilation；When event releases, send and close blower fan signal, close existing
The axial flow blower of field ventilation, so as to realize the technique effect of automatically cleared failure.
Further, the communication interface 140 can also include：RS485 EBIs 140b.By the RS485 interfaces,
The function of remote data can be provided.In actual use, the interface can be connected to distance host with cable, so as to real
Existing remote monitoring, and remote measurement, remote signalling, remote control correlation function are provided.
As shown in figure 1, the communication interface 140 includes：Sound and light alarm interface 140c.The sound and light alarm interface 140c is used
To be connected with alarm, the alarm start and stop are controlled.For example, when SF occurs for scene6, will when leakage or oxygen concentration exception
Start sound and light alarm, prompt the generation of controllers leakage situation.
In further embodiments, for ease of carrying out user mutual, as shown in figure 1, the system can also include：For
The resistive touch formula display screen 400 of user mutual.The resistive touch formula display screen 400 is connected with the control chip 130, defeated
Enter control instruction or output testing result.For example, can be used for assisting user to realize parameter setting, data readback and record,
Sampling is set, and fan linkage is set, the function such as Macro or mass analysis.
In the present embodiment, the communication interface can also include：Infrared induction interface 140d.The infrared induction interface
140d being connected with human body infrared inductor, make system possess perception whether the close function of someone.The control chip root
According to the collection result of human body infrared inductor, when someone is close to system, the resistive touch formula display screen can be lighted automatically
400 and related data situation is shown, be easy to check specific field condition.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (7)
- A kind of 1. sulfur hexafluoride detecting system, it is characterised in that including：Detection means body, the detection means body include some gas sample interfaces, for detect concentration of sulfur hexafluoride and Detection module, control chip and some communication interfaces of oxygen concentration；The gas sample interface is connected by multichannel manifold blocks with the detection module, and each gas sample interface is provided with The gas solenoid valve being connected with the control chip；The gas solenoid valve timesharing is opened；Several detection probes；The detection probe is arranged on the ground of predetermined detection position；The detection probe passes through PU Flexible pipe is connected with the gas sample interface；The detection module and communication interface communicate to connect with the control chip.
- 2. system according to claim 1, it is characterised in that the detection module includes：Vacuum suction pump, oxygen sensor Device, sulfur hexafluoride sensor and gas sense channel；The oxygen sensor, sulfur hexafluoride sensor are arranged on the gas sense channel, obtain the gas sampled flowed through In concentration of sulfur hexafluoride and oxygen concentration；It is external that described gas sense channel one end extends to the detection means sheet, forms exhaust outlet, the other end and the vacuum Sucking pump connects.
- 3. system according to claim 1, it is characterised in that the communication interface includes：Air-blower control interface, the wind Machine control interface exports corresponding control signal to described controller of fan with control shaft stream wind to be connected with controller of fan The start and stop of machine.
- 4. system according to claim 1, it is characterised in that the communication interface includes：RS485 EBIs.
- 5. system according to claim 1, it is characterised in that the communication interface includes：Sound and light alarm interface, the sound Light alarm interface controls the alarm start and stop to be connected with alarm.
- 6. system according to claim 1, it is characterised in that also include：Resistive touch formula for user mutual is shown Screen；The resistive touch formula display screen is connected with the control chip, inputs control instruction or output testing result.
- 7. system according to claim 6, it is characterised in that the communication interface also includes：Infrared induction interface, it is described Infrared induction interface with human body infrared inductor being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491271.0U CN206832768U (en) | 2017-05-05 | 2017-05-05 | A kind of sulfur hexafluoride detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720491271.0U CN206832768U (en) | 2017-05-05 | 2017-05-05 | A kind of sulfur hexafluoride detecting system |
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| CN206832768U true CN206832768U (en) | 2018-01-02 |
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| CN201720491271.0U Active CN206832768U (en) | 2017-05-05 | 2017-05-05 | A kind of sulfur hexafluoride detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918768A (en) * | 2018-05-17 | 2018-11-30 | 珠海华网科技有限责任公司 | Cable macromolecular gas detecting system |
| CN117825649A (en) * | 2024-01-04 | 2024-04-05 | 南京师范大学 | Monitoring equipment for concentration of sulfur hexafluoride gas in water |
-
2017
- 2017-05-05 CN CN201720491271.0U patent/CN206832768U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918768A (en) * | 2018-05-17 | 2018-11-30 | 珠海华网科技有限责任公司 | Cable macromolecular gas detecting system |
| CN117825649A (en) * | 2024-01-04 | 2024-04-05 | 南京师范大学 | Monitoring equipment for concentration of sulfur hexafluoride gas in water |
| CN117825649B (en) * | 2024-01-04 | 2024-06-11 | 南京师范大学 | Monitoring equipment for concentration of sulfur hexafluoride gas in water |
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