CN206818321U - Passive and wireless temperature monitoring system - Google Patents
Passive and wireless temperature monitoring system Download PDFInfo
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- CN206818321U CN206818321U CN201720770151.4U CN201720770151U CN206818321U CN 206818321 U CN206818321 U CN 206818321U CN 201720770151 U CN201720770151 U CN 201720770151U CN 206818321 U CN206818321 U CN 206818321U
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Abstract
The utility model discloses a kind of passive and wireless temperature monitoring system, even if solve the problems, such as monitoring or can not realize to realize processing in the case that temperature is too high, its drip irrigation device is wireless thermodetector, the reflected signal for enclosing temperature information is sent to wireless thermodetector by wireless thermodetector transmitting interval radiofrequency signal to SAW passive temperature sensors, the SAW passive temperatures sensor；Service centre is monitored, the wireless thermodetector is connected to monitoring service centre by CAN；Heat sink, the heat sink are arranged in each high-tension switch cabinet and electrically connected with monitoring service centre；Wherein, when the monitoring service centre monitors that the temperature of wireless thermodetector is higher than setting value, unlatching heat sink cools to corresponding high-tension switch cabinet, has reached and heating position can be cooled in time.
Description
Technical field
Temperature detection technical field is the utility model is related to, more particularly to a kind of passive and wireless temperature monitoring system.
Background technology
The important equipment such as power plant, the high-tension switch cabinet of transformer station, busbar joint, outdoor chopper switch, in longtime running
During the contact that switchs the position such as connect with bus because aging or contact resistance are excessive and generate heat, and the temperature of these heating positions
Degree can not monitor, and thus ultimately result in accident.In recent years, a lot of switch overheat accidents have occurred in power plant and transformer station,
Fire and the power outage of large area are caused, it is to prevent the key that such accident occurs to solve switch problems of excessive heat, realizes temperature
On-line monitoring is the important means for ensureing high-tension apparatus safe operation.Temperature monitoring mode mainly has following four at present：Temperature indicating
Label, far infrared temperature measurement, optical fiber temperature-measurement and wired thermometric are recorded, temperature indicating records label, and there is need manually periodically to patrol
Look into, far infrared temperature measurement there is the temperature that can not accurately measure measured point, optical fiber temperature-measurement there is easily causing creepage phenomenon,
Produce unnecessary potential safety hazard, and wired thermometric mutual inductance takes can that size of current is whard to control and installation difficulty is asked
Topic.
The problem of being existed based on above-mentioned four kinds of thermometric modes and defect, such as a kind of wireless and passive electric power of CN105004432A
Temperature Monitoring System for Cable Connector, specially Temperature sampler are communicated by communication with SAW temperature sensor,
And be attached with bus communication supervisor, communication processor is connected by bus with monitoring management machine, and monitoring management machine passes through
System communication interface is connected with a Surveillance center of outside.The wireless and passive power cable connector temperature monitoring system can be real
Temperature measurement on-line degree when real.But above-mentioned monitoring still can not be realized and even if processing is realized in the case that temperature is too high, when
In the case that appearance temperature is too high, it is desired nonetheless to corresponding equipment is closed, and by manually going to cool, it is troublesome in poeration.
Utility model content
The purpose of this utility model is to provide one kind and is based on passive wireless technologies, and heating position can be cooled in time
Monitoring system.
To solve the above problems, the utility model provides a kind of passive and wireless temperature monitoring system, including：The passive temperature of SAW
Sensor is spent, is installed on the temperature measuring point of high-tension switch cabinet；Wireless thermodetector, the wireless thermodetector launch interval radiofrequency signal
To SAW passive temperature sensors, the reflected signal for enclosing temperature information is sent to wireless survey by the SAW passive temperatures sensor
Wen Yi；Service centre is monitored, the wireless thermodetector is connected to monitoring service centre by CAN；Heat sink, the drop
Warm device is arranged in each high-tension switch cabinet and electrically connected with monitoring service centre；Wherein, when monitoring service centre prison
The temperature for measuring wireless thermodetector is higher than setting value, opens heat sink and corresponding high-tension switch cabinet is cooled.
By using above-mentioned technical proposal, by SAW passive temperature sensors, the high-tension switch cabinet at scene can be carried out
Control；Thermometric main control terminal of the present utility model can uniformly carry out temperature information to all equipment under tests in one's respective area and adopt
Collection, analysis, storage management, operation is more simple, and management is more efficient；Temperature acquisition terminal uses surface acoustic wave thermometry, table
The largest benefit of face sound wave thermometry is to make use of the passive operation principle of sensor：I.e. under unconventional running environment
(high voltage, high current) realizes wireless temperature data acquisition, reduces the probability of device damage；Therefore, there is good insulation
Property, reliability and stability, can realize on-line temperature monitoring.On the basis of monitoring, once it is found that the temperature of which part
Degree exceedes setting value, potential safety hazard be present, it is possible to directly open heat sink, it is possible to steady inside high-tension switch cabinet
Surely declined, without manually will monitor the power-off of high-tension switch cabinet or the artificial mode for going maintenance and drop
Temperature is performed and is wholely set, and operates simpler convenience.
As it is of the present utility model it is further improve, the vacuum interrupter of the high-tension switch cabinet, binding post and every
Leave pass and be all set to temperature measuring point.
By using above-mentioned technical proposal, by being provided with temperature measuring point on above-mentioned point, and then serve easily hot
Place is monitored, and monitoring is more targeted.
As further improvement of the present utility model, the heat sink includes cooling corresponding with temperature measuring point one by one
Fan, the fan direction of the cooling fan is corresponding with temperature measuring point, and the cooling fan electrically connects with monitoring service centre.
By using above-mentioned technical proposal, heat sink is arranged to cooling fan, and cooling fan is relative with temperature measuring point one by one
Should, after the temperature difference of respective point, corresponding point can be cooled, cooling is more targeted, without all opening
Open, save cost.
As further improvement of the present utility model, the chamber placed for cooling fan is provided with the high-tension switch cabinet
Room, and be arranged on the chimney fan of cooling fan front end, is disposed with cooling pipe in the chimney fan, in cooling pipe filled with
Coolant, the cooling pipe are connected with water tank.
By using above-mentioned technical proposal, filled with coolant in cooling pipe, due to the environment where high-tension switch cabinet
Interior prevailing temperature is higher, it is possible to which low temperature, increase cooling efficiency can be ensured by ensureing the gas of fan blowout.
As further improvement of the present utility model, set on the high-voltage switch gear cabinet panel opposed with the chimney fan
There is air outlet.
By using above-mentioned technical proposal, air outlet is further provided with, and then can realize and keep cooling gas
The circulation of air.
As further improvement of the present utility model, the wireless thermodetector includes DSP control process module, radio frequency is sent out
Module and radio frequency receiving module are penetrated, the DSP control process module passes through SAW passive temperatures by radiofrequency emitting module transmitted wave
Sensor is sent into DSP control process modules after nursing one's health transmitted wave and is sampled and converted.
By using above-mentioned technical proposal, by being provided with DSP control process modules, the control of DSP control process module is penetrated
Frequency signal generator produces required sine wave, is changed into interval sine wave after conditioned and is launched by antenna.Passive temperature
Back wave after sensor reception, is sent into DSP after conditioned and is sampled and converted, and carries out signal transacting by DSP to obtain
Temperature data.Communication interface realizes the telecommunication with host computer.
As further improvement of the present utility model, dehydrating unit, the dehumidifying are additionally provided with high-tension switch cabinet
Device includes the desiccant cartridge being arranged in high-tension switch cabinet, and drier is placed with desiccant cartridge.
By using above-mentioned technical proposal, desiccant cartridge is further set, and then can play in the inside of high-tension switch cabinet
Increase has dehumidification function.
Brief description of the drawings
Fig. 1 is the frame diagram of system monitoring；
Fig. 2 is the connection figure of DSP control process modules；
Fig. 3 is the oblique view of high-tension switch cabinet；
Fig. 4 is another side elevation view of high-tension switch cabinet.
In figure, 1, SAW passive temperature sensors；2nd, wireless thermodetector；21st, DSP control process module；22nd, radio-frequency transmissions
Module；23rd, radio frequency receiving module；24th, communication interface；3rd, service centre is monitored；4th, high-tension switch cabinet；41st, vacuum interrupter；
42nd, disconnecting switch；43rd, binding post；5th, cooling fan；6th, temperature measuring point；7th, dehydrating unit；8th, water tank；81st, chimney fan；82nd, cool down
Pipeline；9th, air outlet.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to the drawings 1, a kind of passive and wireless temperature monitoring system, including SAW passive temperatures sensor 1 is to be based on surface
A kind of strain transducer of sound wave (SurfaceAcoustic Wave) technology, using passive induction mode, driven without battery
It is dynamic, reduce the maintenance cost that battery altering is brought, while ecological environment will not be impacted, it is installed in high-tension switch cabinet 4
Temperature measuring point 6 on, wherein can have multiple temperature measuring points 6 inside high-tension switch cabinet 4；Wireless thermodetector 2, wireless thermodetector 2 are sent out
Penetrate interval radiofrequency signal to SAW passive temperatures sensor 1, SAW passive temperatures sensor 1 and will enclose the reflected signal of temperature information
It is sent to wireless thermodetector 2；Service centre 3 is monitored, wireless thermodetector 2 is connected to monitoring service centre 3 by CAN；Nothing
Line temperature measurer 2 includes DSP control process module 21, radiofrequency emitting module 22 and radio frequency receiving module 23, DSP control process modules
21, by the transmitted wave of radiofrequency emitting module 22, are received after SAW passive temperatures sensor 1 is nursed one's health transmitted wave by radio frequency
Module 23 is sent into DSP control process module 21 and is sampled and converted, and is connected to by communication interface 24 in monitoring service
The heart 3.It is specifically that DSP control process module 21 controls radio-frequency signal generator to produce required sine wave, becomes after conditioned
Launched for interval sine wave by antenna.Back wave after the reception of passive temperature sensor, it is sent into DSP and carries out after conditioned
Sampling and conversion, signal transacting is carried out by DSP to obtain temperature data.Monitoring service centre 3 of the present utility model can be to this
All equipment under tests uniformly carry out the collection, analysis, storage management of temperature information in region, and operation is more simple, and management is higher
Effect；Temperature acquisition terminal uses surface acoustic wave thermometry, and the largest benefit of surface acoustic wave thermometry is to make use of sensor
Passive operation principle：(high voltage, high current) realizes wireless temperature data acquisition i.e. under unconventional running environment, reduces
The probability of device damage；Therefore, there are good insulating properties, reliability and stability, on-line temperature monitoring can be realized.
Referring to the drawings 3, temperature measuring point 6 can be the vacuum interrupter 41, binding post 43 and disconnecting switch in high-tension switch cabinet 4
The easily hot place in 42 joint is monitored, and monitoring is more targeted.
With reference to accompanying drawing 4, in addition to heat sink, heat sink includes cooling fan 5 corresponding with temperature measuring point 6 one by one,
The fan direction of cooling fan 5 is corresponding with temperature measuring point 6, and cooling fan 5 electrically connects with monitoring service centre 3.Wherein, cooling dress
Install and be placed in each high-tension switch cabinet 4 and electrically connected with monitoring service centre 3；Heat sink is arranged to cooling fan 5, cooling
Fan 5 is corresponding with temperature measuring point 6 one by one, and air outlet 9 is provided with the high-voltage switch gear cabinet panel opposed with chimney fan 81.Enter one
Step is provided with air outlet 9, and then can realize the circulation for the cooling gas for keeping fan blowout.Set on high-tension switch cabinet
There is the chamber placed for cooling fan 5, and be arranged on the chimney fan 81 of the front end of cooling fan 5, be disposed with chimney fan 81
Cooling pipe 82, cooling pipe 82 is interior to be connected filled with coolant, cooling pipe 82 with water tank 8.Filled with cold in cooling pipe 82
But liquid, because prevailing temperature is higher in the environment where high-tension switch cabinet, it is possible to which ensureing the gas of fan blowout can protect
Demonstrate,prove low temperature, increase cooling efficiency.After the temperature difference of respective point, corresponding point can be cooled, cooling more added with
Specific aim, without being all turned on, save cost.
On the basis of monitoring, once being found that the temperature of which part temperature measuring point 6 exceedes setting value, it is hidden to there is safety
Suffer from, it is possible to directly open heat sink, it is possible to the stabilization inside high-tension switch cabinet is declined, it is artificial without carrying out
By the power-off of high-tension switch cabinet or the artificial mode for going maintenance, monitoring and cooling execution are wholely set, operation is more
It is simple and convenient.
Further it is provided in, dehydrating unit 7 is additionally provided with high-tension switch cabinet, dehydrating unit 7 includes being arranged on
Desiccant cartridge in high-tension switch cabinet, is placed with drier in desiccant cartridge.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
- A kind of 1. passive and wireless temperature monitoring system, it is characterised in that including：SAW passive temperatures sensor (1), it is installed on the temperature measuring point (6) of high-tension switch cabinet (4)；Wireless thermodetector (2), the wireless thermodetector (2) launch interval radiofrequency signal to SAW passive temperatures sensor (1), institute State SAW passive temperatures sensor (1) and the reflected signal for enclosing temperature information is sent to wireless thermodetector (2)；Service centre (3) is monitored, the wireless thermodetector (2) is connected to monitoring service centre (3) by CAN；Heat sink, the heat sink are arranged in each high-tension switch cabinet (4) and electrically connected with monitoring service centre (3)；Wherein, when the monitoring service centre (3) monitors that the temperature of wireless thermodetector (2) is higher than setting value, unlatching cooling dress Put and corresponding high-tension switch cabinet (4) is cooled.
- 2. passive and wireless temperature monitoring system according to claim 1, it is characterised in that in the high-tension switch cabinet (4) Vacuum interrupter (41), binding post (43) and disconnecting switch (42) be all set to temperature measuring point (6).
- 3. passive and wireless temperature monitoring system according to claim 1, it is characterised in that the heat sink is included one by one The cooling fan (5) corresponding with temperature measuring point (6), fan direction, the institute corresponding with temperature measuring point (6) of the cooling fan (5) Cooling fan (5) is stated to electrically connect with monitoring service centre (3).
- 4. passive and wireless temperature monitoring system according to claim 3, it is characterised in that on the high-tension switch cabinet (4) Be provided with the chamber placed for cooling fan (5), and be arranged on the chimney fan (81) of cooling fan (5) front end, it is described go out Cooling pipe (82) is disposed with air duct (81), cooling pipe (82) is interior filled with coolant, the cooling pipe (82) and water tank (8) it is connected.
- 5. passive and wireless temperature monitoring system according to claim 4, it is characterised in that right with the chimney fan (81) Air outlet (9) is provided with high-tension switch cabinet (4) panel put.
- 6. passive and wireless temperature monitoring system according to claim 1, it is characterised in that wireless thermodetector (2) bag Include DSP control process module (21), radiofrequency emitting module (22) and radio frequency receiving module (23), the DSP control process module (21) it is sent into by radiofrequency emitting module (22) transmitted wave after SAW passive temperatures sensor (1) is nursed one's health transmitted wave DSP control process module (21) is sampled and converted.
- 7. passive and wireless temperature monitoring system according to claim 1, it is characterised in that in high-tension switch cabinet (4) also Dehydrating unit (7) is provided with, the dehydrating unit (7) includes the desiccant cartridge being arranged in high-tension switch cabinet (4), in desiccant cartridge It is placed with drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770151.4U CN206818321U (en) | 2017-06-29 | 2017-06-29 | Passive and wireless temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770151.4U CN206818321U (en) | 2017-06-29 | 2017-06-29 | Passive and wireless temperature monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818321U true CN206818321U (en) | 2017-12-29 |
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ID=60762568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770151.4U Active CN206818321U (en) | 2017-06-29 | 2017-06-29 | Passive and wireless temperature monitoring system |
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| Country | Link |
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| CN (1) | CN206818321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444611A (en) * | 2018-02-28 | 2018-08-24 | 湖州旭源电气科技有限公司 | A kind of high frequency switch power device for monitoring temperature |
-
2017
- 2017-06-29 CN CN201720770151.4U patent/CN206818321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444611A (en) * | 2018-02-28 | 2018-08-24 | 湖州旭源电气科技有限公司 | A kind of high frequency switch power device for monitoring temperature |
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