CN207572958U - A kind of power distribution cabinet temperature protection system - Google Patents
A kind of power distribution cabinet temperature protection system Download PDFInfo
- Publication number
- CN207572958U CN207572958U CN201721821026.8U CN201721821026U CN207572958U CN 207572958 U CN207572958 U CN 207572958U CN 201721821026 U CN201721821026 U CN 201721821026U CN 207572958 U CN207572958 U CN 207572958U
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- CN
- China
- Prior art keywords
- central processing
- processing unit
- main switch
- power distribution
- cabinet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge
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Abstract
The utility model discloses a kind of power distribution cabinet temperature protection systems, including cabinet, fire-alarm is equipped at the top of the cabinet, the cabinet is internally provided with main switch, central processing unit and display, the central processing unit is set to main switch side, the display is set to central processing unit side, the main switch side is connected with inlet wire cable, the main switch bottom is equipped with relay, the main switch is connect with relay by bus-bar, described relay one end is equipped with outlet cable, the inlet wire cable, outlet cable and bus-bar side and cabinet inner wall are equipped with temperature sensor.The entire temperature protection system temperature in use sensor of the utility model, which is handled by central processing unit and exports control, is connected in parallel to power distribution cabinet main switch control loop; excessive electric wiring and attachment need not be increased; this protection system not only protects the safe to use of power distribution cabinet, the significantly more efficient generation for having prevented electrical fire.
Description
Technical field
The utility model is related to temperature protection system field, more particularly to a kind of power distribution cabinet temperature protection system.
Background technology
Electrical heating is typically to lead to one of immediate cause of fire incident in power distribution cabinet, and many switches were all brought thus
The temperature of electric current heat protection function, only existing switch Thermal protection only detection switch disengaging line end, and power distribution cabinet usually draws
Play fever is in terminal and bus-bar wiring position, because of the reduction of wiring position contact area, is increased so as to cause resistance,
Fever is flowed through more than the height of temperature elsewhere in similary electric current, is transferred at switch and caused by bus-bar or cable in the presence of temperature
During tripping, the temperature of the connecting part is enough to cause fire.
Therefore, it is necessary to solve the above problems to invent a kind of power distribution cabinet temperature protection system.
Utility model content
The purpose of this utility model is to provide a kind of power distribution cabinet temperature protection system, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical solution：A kind of power distribution cabinet temperature protection system, including
Cabinet, the cabinet top are equipped with fire-alarm, and the cabinet is internally provided with main switch, central processing unit and display, institute
It states central processing unit and is set to main switch side, the display is set to central processing unit side, and the main switch side connects
Be connected to inlet wire cable, the main switch bottom is equipped with relay, and the main switch is connect with relay by bus-bar, it is described after
Electric appliance one end is equipped with outlet cable, and the inlet wire cable, outlet cable and bus-bar side and cabinet inner wall are equipped with temperature
Sensor.
Preferably, the temperature sensor model is set as WZP-PT100, and the temperature sensor and fire-alarm are equal
It is electrically connected with the central processing unit.
Preferably, the central processing unit is connected in parallel with main switch.
Preferably, the central processing unit output terminal is equipped with alarm delay switch.
Preferably, the temperature sensor is electrically connected with central processing unit by A/D converter, the temperature sensor
PT100 type thermocouples are equipped with the connecting line road of central processing unit.
Preferably, the central processing unit connecting pin is equipped with local server, and the local server connecting pin is equipped with cloud
Hold server.
The technique effect and advantage of the utility model：By respectively at long cable section of ingoing line, bus-bar junction, load outlet
End and cabinet inner wall at mounting temperature sensor, according to temperature sensor senses everywhere to signal be converted into temperature value, will
Point of incoming cables, the temperature of bus-bar connecting part and leading-out terminal and cabinet temperature are compared, and such as temperature generally rises more than setting everywhere
Definite value, i.e. load overload (electric current is excessive) alarm；Such as single position temperature rise is excessively high, then wiring loosening (loose contact, circuit
Aging) alarm；The excessively high alarm of temperature cuts off major loop control circuit, main switch separating brake beyond setting time, then relay output
Protection；In addition, entire temperature protection system is handled by central processing unit using external temperature sensor and exports control parallel connection
To power distribution cabinet main switch control loop, and control loop only needs to be connected in parallel to original control loop, without increasing excessively electrical
Circuit and attachment；This protection system not only protects the safe to use of power distribution cabinet, the significantly more efficient electrical fire that prevented
Occur.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the systematic schematic diagram of the utility model.
Fig. 3 is the step structure chart of the utility model.
In figure：1 cabinet, 2 fire-alarms, 3 main switches, 4 central processing units, 5 displays, 6 inlet wire cables, 7 relays,
8 bus-bars, 9 outlet cables, 10 temperature sensors, 11A/D converters, 12 local servers, 13 cloud servers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model provides a kind of power distribution cabinet temperature protection system as shown in Figs. 1-3, including cabinet 1, the cabinet
1 top of body is equipped with fire-alarm 2, and the cabinet 1 is internally provided with main switch 3, central processing unit 4 and display 5, the center
Processor 4 is set to 3 side of main switch, and the display 5 is set to 4 side of central processing unit, 3 side of the main switch connection
There is inlet wire cable 6,3 bottom of main switch is equipped with relay 7, and the main switch 3 is connect with relay 7 by bus-bar 8, institute
7 one end of relay is stated equipped with outlet cable 9,1 inner wall of the inlet wire cable 6, outlet cable 9 and 8 side of bus-bar and cabinet
It is equipped with temperature sensor 10.
10 model of temperature sensor is set as WZP-PT100, the temperature sensor 10 and fire-alarm 2 with
Central processing unit 4 is electrically connected, and is conducive to central processing unit 4 and is received the temperature information that temperature sensor 10 is sent, passes through fire
Alarm 2 is alarmed, and the central processing unit 4 is connected in parallel with main switch 3, without increasing excessive electric wiring and attachment, is pacified
Dress is convenient, and 4 output terminal of central processing unit is equipped with alarm delay switch, can delayed alarm, the temperature sensor 10 with
Central processing unit 4 is electrically connected by A/D converter 11, the connecting line road of the temperature sensor 10 and central processing unit 4
Equipped with PT100 type thermocouples, PT100 type thermocouple materials are cheap, economical and practical, and 4 connecting pin of central processing unit is set
There is local server 12,12 connecting pin of local server is equipped with cloud server 13, and being conducive to central processing unit 4 will detect
The warning message gone out and the position of alarm are sent to local server 12 and display 5, and local server 12 uploads information
To cloud server 13, facilitate staff's maintenance and remote monitoring.
This practicality operation principle：During installation, respectively 6 side of inlet wire cable, 8 side of bus-bar, 9 side of outlet cable and
Then the 1 inner wall mounting temperature sensor 10 of cabinet of power distribution cabinet connects central processing unit 4, and central processing unit 4 is connected in parallel to and is matched
In electric 3 control loop of cabinet main switch；During entire power distribution cabinet operation, system initialization is protected, monitoring is each in real time for temperature sensor 10
The temperature at place, and pass through A/D converter 11 and convert the information into data and be sent to central processing unit 4, central processing unit 4 read into
10 measured value of temperature sensor and the temperature sensor 10 of 1 inner wall of cabinet of 8 side of line cable 6, outlet cable 9 and bus-bar are surveyed
Magnitude carries out comparison processing；10 measured value of temperature sensor at inlet wire cable 6, at outlet cable 9 and at bus-bar 8 is normal
When, then entire power distribution cabinet normal operation；When 10 measured value of temperature sensor at inlet wire cable 6 is normal, at outlet cable 9
10 measured value of temperature sensor is more than setting value, and temperature height is alarmed at outlet cable 9, the wiring loosening at outlet cable 9, center
Processor 4 is alarmed；When 10 measured value of temperature sensor at the inlet wire cable 6 and at outlet cable 9 is normal, at bus-bar 8
10 measured value of temperature sensor is more than setting value, and temperature height is alarmed at bus-bar 8, the wiring loosening at bus-bar 8, central processing
Device 4 is alarmed；10 measured value of temperature sensor is more than setting value at inlet wire cable 6,10 measured value of temperature sensor at bus-bar 8
When normal, the wiring loosening at inlet wire cable 6, temperature height alarm at inlet wire cable 6, the wiring loosening at inlet wire cable 6, center
Processor 4 is alarmed；10 measured value of temperature sensor is more than setting value at inlet wire cable 6 and bus-bar 8, temperature at outlet cable 9
When degree 10 measured value of sensor is normal, temperature height is alarmed at bus-bar 8, and the wiring loosening at bus-bar 8, central processing unit 4 is alarmed；
When 10 measured value of temperature sensor at inlet wire cable 6, at outlet cable 9 and at bus-bar 8 is more than setting value, then entirely match
Electric cabinet load excessive, central processing unit 4 is by alarm delay switch alarm, and delay time then, lead back by the output cut-out of relay 7
Road control circuit, the protection of 3 separating brake of main switch；The position of the warning message detected and alarm is sent to by central processing unit 4
Information is uploaded to cloud server 13 by local server 12 and display 5, local server 12, facilitate staff maintenance with
And remote monitoring.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of power distribution cabinet temperature protection system, including cabinet (1), it is characterised in that：Fire report is equipped at the top of the cabinet (1)
Alert device (2), the cabinet (1) are internally provided with main switch (3), central processing unit (4) and display (5), the central processing unit
(4) main switch (3) side is set to, the display (5) is set to central processing unit (4) side, main switch (3) side
Inlet wire cable (6) is connected with, main switch (3) bottom is equipped with relay (7), and the main switch (3) passes through with relay (7)
Bus-bar (8) connect, described relay (7) one end be equipped with outlet cable (9), the inlet wire cable (6), outlet cable (9) and
Bus-bar (8) side and cabinet (1) inner wall are equipped with temperature sensor (10).
2. a kind of power distribution cabinet temperature protection system according to claim 1, it is characterised in that：The temperature sensor (10)
Model is set as WZP-PT100, and the temperature sensor (10) and fire-alarm (2) electrically connect with central processing unit (4)
It connects.
3. a kind of power distribution cabinet temperature protection system according to claim 1, it is characterised in that：The central processing unit (4)
It is connected in parallel with main switch (3).
4. a kind of power distribution cabinet temperature protection system according to claim 1, it is characterised in that：The central processing unit (4)
Output terminal is equipped with alarm delay switch.
5. a kind of power distribution cabinet temperature protection system according to claim 1, it is characterised in that：The temperature sensor (10)
It is electrically connected with central processing unit (4) by A/D converter (11), the temperature sensor (10) and central processing unit (4)
Connecting line road is equipped with PT100 type thermocouples.
6. a kind of power distribution cabinet temperature protection system according to claim 1, it is characterised in that：The central processing unit (4)
Connecting pin is equipped with local server (12), and local server (12) connecting pin is equipped with cloud server (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821026.8U CN207572958U (en) | 2017-12-23 | 2017-12-23 | A kind of power distribution cabinet temperature protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821026.8U CN207572958U (en) | 2017-12-23 | 2017-12-23 | A kind of power distribution cabinet temperature protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572958U true CN207572958U (en) | 2018-07-03 |
Family
ID=62686120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821026.8U Active CN207572958U (en) | 2017-12-23 | 2017-12-23 | A kind of power distribution cabinet temperature protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947127A (en) * | 2017-12-23 | 2018-04-20 | 珠海浩云电气有限公司 | A kind of power distribution cabinet temperature protection system |
| CN113708224A (en) * | 2021-10-28 | 2021-11-26 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
-
2017
- 2017-12-23 CN CN201721821026.8U patent/CN207572958U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947127A (en) * | 2017-12-23 | 2018-04-20 | 珠海浩云电气有限公司 | A kind of power distribution cabinet temperature protection system |
| CN113708224A (en) * | 2021-10-28 | 2021-11-26 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
| CN113708224B (en) * | 2021-10-28 | 2022-03-18 | 江苏云洋电力科技有限公司 | High-efficient current-limiting distribution switch that distribution terminal used |
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