CN109358665A - A kind of overtemperature protection system for switchgear - Google Patents
A kind of overtemperature protection system for switchgear Download PDFInfo
- Publication number
- CN109358665A CN109358665A CN201811104230.7A CN201811104230A CN109358665A CN 109358665 A CN109358665 A CN 109358665A CN 201811104230 A CN201811104230 A CN 201811104230A CN 109358665 A CN109358665 A CN 109358665A
- Authority
- CN
- China
- Prior art keywords
- module
- switch cabinet
- switchgear
- protection system
- refrigerator
- Prior art date
- 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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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to handbag technical fields; more particularly to a kind of overtemperature protection system for switchgear; overheating protection is insufficient when in use for traditional switch cabinet; the shortcomings that temperature change state that internal element is waited when in use cannot effectively be analyzed; now propose following scheme; including switch cabinet body; the inside of switch cabinet body is equipped with the appliance mounting panel being arranged along the vertical direction; the side of appliance mounting panel is equipped with the bracket for the U-shaped structure being placed equidistant with along the vertical direction, is vertically installed with partition between adjacent stent.The inventive structure simple operations are convenient and efficient, on the one hand the situation of change of temperature when operating of inside switch cabinet electric appliance can be effectively monitored, to which the performance evaluation to switchgear provides data foundation, it provides fundamental basis for the upgrading improvement of subsequent switchgear, on the other hand can efficiently and effectively cool down to the electric appliance of inside switch cabinet, switchgear outage condition is reduced, to lose caused by reducing due to power-off.
Description
Technical field
The present invention relates to switchgear technical field more particularly to a kind of overtemperature protection systems for switchgear.
Background technique
Switchgear, for placing various protective relaying devices or other electrical equipments, under all kinds of electric equipment operations,
A large amount of heat can be generated.When environment when the temperature is excessively high, is easy to cause protective relaying device to crash in switchgear, or even shorten it
Service life；
Application No. is: a kind of 201721087397.8 switchgear overtemperature protection systems recorded, including battery G1, first
Light emitting diode D1, the second light emitting diode D2, relay K1, transistor T1, transistor T2 and three thermistor RT1,
RT2, RT3, three thermistor RT1, RT2, RT3 settings are connected in series at switchgear top, bottom and middle part, and successively, switch
In cabinet under normal circumstances, thermistor is in normal temperature state, and transistor T1 cut-off, transistor T2 conducting, relay K1 obtains electric normal
Closed contact disconnects, and blower does not work, energy saving；When the hot-spot of switchgear, any thermistor is heated above pre-
If when temperature, transistor T1 conducting, transistor T2 ends, and the second light emitting diode lights alarm, the normally closed touching of relay K1 power loss
Point closure, blower work, achievees the purpose that heat dissipation, and circuit is simple, low in cost, convenient for being widely popularized, has good application
Prospect；
Although this application file can achieve the purpose that heat dissipation, circuit is simple, low in cost, convenient for being widely popularized, has
The advantages of good application prospect, but be easy to damage component when inside switch cabinet component temperature reaches higher
It is bad, the safety of component cannot be protected, while the temperature change of switchgear internal component when in use can not be analyzed
Situation has a single function, and proposes a kind of overtemperature protection system for switchgear thus.
Summary of the invention
The purpose of the present invention is to solve switchgear in the prior art, overheating protection is insufficient when in use, Bu Nengyou
The shortcomings that effect analyzes the temperature change state that internal element is waited when in use, and a kind of overheat for switchgear proposed is protected
Protection unit.
To achieve the goals above, present invention employs following technical solutions:
A kind of overtemperature protection system for switchgear, including switch cabinet body, the inside installation of the switch cabinet body
There is the appliance mounting panel being arranged along the vertical direction, the side of appliance mounting panel is equipped with the U-shaped knot being placed equidistant with along the vertical direction
The bracket of structure is vertically installed with partition between adjacent stent, and electric mounting chamber is formed between partition and bracket, electric mounting chamber
Top is equipped with the slug positioned at cradle top, and the inside of electric mounting chamber is equipped with the U-shaped structure being fixedly connected with partition
Cooling pipe, one end of cooling pipe is equipped with the air inlet pipe being fixedly attached with appliance mounting panel, and bracket is far from electric mounting
The side of plate is equipped with the acquisition device positioned at switch cabinet body inner sidewall, and the side of appliance mounting panel remote branch of a clan frame is equipped with and opens
The cooling body that cabinet ontology is fixedly connected is closed, the control being fixedly connected with switch cabinet body inner sidewall is installed at the top of cooling body
The inside of device processed, switch cabinet body is also equipped with relay.
Preferably, the cooling body includes the air inlet housing being fixedly attached with switch cabinet body, and air inlet housing is close to electricity
One end of device mounting plate is welded with the shell being connected to air inlet housing, and demarcation plate is installed in the inside of shell, and the inside of demarcation plate is solid
Surely it is socketed with refrigerator, refrigerator is equipped with the refrigerator pipe being fixedly attached with shell far from a lateral roof of air inlet housing, refrigeration
Device is equipped with the heat-dissipating pipe being fixedly attached with shell far from a side-lower of air inlet housing, and appliance mounting panel is close to cooling body
Side is equipped with the connecting pipe being connected to refrigerator pipe.
Preferably, the refrigeration end of the refrigerator is located at the over top of demarcation plate, and the radiating end of refrigerator, which is located at, to be separated
The bottom part down of plate, the opening of air inlet housing are equipped with strainer, and strainer is equipped with extraction fan close to the side of shell.
Preferably, the acquisition device includes the camera and infrared thermal imagery being fixedly connected with switch cabinet body inner sidewall
Instrument is equipped with solenoid valve in air inlet pipe, and air inlet pipe offers stomata close to the side in the middle position of electric mounting chamber.
Preferably, the normally-closed contact of the relay is connected in the power supply line of switch cabinet body, switch cabinet body
Top is equipped with flashing lamp and buzzer.
Preferably, the slug is string configuration, and the surface of slug is coated with black paint, the table of black paint
Face is coated with label, and the color marked is not black, labeled as letter or number or letter and number combinatorics on words.
Preferably, the inside of the controller be equipped with signal receiving module, marker recognition module, model building module,
Memory module, timing module, signal contrast module and control module, signal receiving module and camera, thermal infrared imager, label
Identification module and memory module electrical connection, model building module and marker recognition module, memory module and signal contrast module electricity
Connection, signal contrast module are electrically connected with timing module and control module, control module and relay, solenoid valve, refrigerator, pumping
Blower, flashing lamp and buzzer electrical connection.
Preferably, the signal receiving module is used to receive the information and thermal infrared imager acquisition of camera acquisition slug
Thermal imaging information and the signal of acquisition is transferred to marker recognition module and memory module, marker recognition module is to acquisition
Slug information is identified.
Preferably, the slug information and thermal infrared imager that the model building module is identified according to marker recognition module
The thermal imaging information of acquisition establishes areal model to appliance mounting panel, and areal model includes label corresponding with electric mounting chamber
Information and temperature information.
Preferably, the signal contrast module carries out timing according to the temperature information of timing module and model building module
Comparison, thus in digit's time the intracavitary portion's electric appliance of electric mounting increasing extent of temperature and warning temperature, control module according to
Increasing extent of temperature and warning temperature that signal contrast module obtains to control the closure protection of relay, refrigerator, exhaust fan,
The unlatching of flashing lamp and buzzer.
Beneficial effects of the present invention:
By the switch cabinet body of setting, appliance mounting panel, bracket, partition, electric mounting chamber, cooling pipe, air inlet pipe,
Slug, acquisition device, cooling body, controller, air inlet housing, shell, demarcation plate, refrigerator, heat-dissipating pipe, refrigerator pipe and company
Adapter tube road；So that the design structure simple operations are convenient and efficient, on the one hand can effectively monitor inside switch cabinet electric appliance
The situation of change of temperature when operating, so that the performance evaluation to switchgear provides data foundation, it is the liter of subsequent switchgear
Grade is improved and is provided fundamental basis, and on the other hand can efficiently and effectively be cooled down to the electric appliance of inside switch cabinet, and switch is reduced
Cabinet outage condition, to be lost caused by reducing due to power-off.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the overtemperature protection system for switchgear proposed by the present invention；
Fig. 2 is a kind of structural schematic diagram of the overtemperature protection system appliance mounting panel for switchgear proposed by the present invention；
Fig. 3 is a kind of structural schematic diagram of the overtemperature protection system cooling body for switchgear proposed by the present invention；
Fig. 4 is a kind of structural schematic diagram of the overtemperature protection system principle for switchgear proposed by the present invention.
In figure: 1 switch cabinet body, 2 appliance mounting panels, 3 brackets, 4 partitions, 5 electric mounting chambers, 6 cooling pipes, 7 air inlets
Pipe, 8 slugs, 9 acquisition devices, 10 cooling bodies, 11 controllers, 12 air inlet housings, 13 shells, 14 demarcation plates, 15 refrigerators,
16 heat-dissipating pipes, 17 refrigerator pipes, 18 connecting pipes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of overtemperature protection system for switchgear, including switch cabinet body 1, switch cabinet body 1
Inside is equipped with the appliance mounting panel 2 being arranged along the vertical direction, and the side of appliance mounting panel 2 is equipped with equidistantly to be set along the vertical direction
The bracket 3 for the U-shaped structure set is vertically installed with partition 4 between adjacent stent 3, forms electric mounting between partition 4 and bracket 3
Chamber 5, the top of electric mounting chamber 5 are equipped with the slug 8 positioned at the top of bracket 3, the inside of electric mounting chamber 5 be equipped with every
The cooling pipe 6 for the U-shaped structure that plate 4 is fixedly connected, one end of cooling pipe 6, which is equipped with, to be fixedly attached with appliance mounting panel 2
Air inlet pipe 7, bracket 3 are equipped with the acquisition device 9 positioned at 1 inner sidewall of switch cabinet body, electric appliance far from the side of appliance mounting panel 2
The side of 2 remote branch of a clan frame 3 of mounting plate is equipped with the cooling body 10 being fixedly connected with switch cabinet body 1, the top of cooling body 10
The controller 11 being fixedly connected with 1 inner sidewall of switch cabinet body is installed, the inside of switch cabinet body 1 is also equipped with relay.
Cooling body 10 includes the air inlet housing 12 being fixedly attached with switch cabinet body 1, and air inlet housing 12 is pacified close to electric appliance
One end of loading board 2 is welded with the shell 13 being connected to air inlet housing 12, and demarcation plate 14 is installed in the inside of shell 13, demarcation plate 14
Internal fixing sleeve is connected to refrigerator 15, and refrigerator 15 is equipped with far from a lateral roof of air inlet housing 12 and is fixedly attached with shell 13
Refrigerator pipe 17, refrigerator 15 is equipped with the heat-dissipating pipe 16 being fixedly attached with shell 13 far from a side-lower of air inlet housing 12,
Appliance mounting panel 2 is equipped with the connecting pipe 18 being connected to refrigerator pipe 17 close to the side of cooling body 10.
The refrigeration end of refrigerator 15 is located at the over top of demarcation plate 14, and the radiating end of refrigerator 15 is located at demarcation plate 14
Bottom part down, the opening of air inlet housing 12 are equipped with strainer, and strainer is equipped with extraction fan, acquisition dress close to the side of shell 13
Setting 9 includes the camera and thermal infrared imager being fixedly connected with 1 inner sidewall of switch cabinet body, is equipped with solenoid valve in air inlet pipe 7,
Air inlet pipe 7 offers stomata close to the side in the middle position of electric mounting chamber 5, and the normally-closed contact of relay is connected on switchgear
In the power supply line of ontology 1, the top of switch cabinet body 1 is equipped with flashing lamp and buzzer, and slug 8 is string configuration,
The surface of slug 8 is coated with black paint, and the surface of black paint is coated with label, and the color marked is not black, mark
It is denoted as letter or number or letter and number combinatorics on words.
The inside of controller 11 be equipped with signal receiving module, marker recognition module, model building module, memory module,
Timing module, signal contrast module and control module, signal receiving module and camera, thermal infrared imager, marker recognition module
It is electrically connected with memory module, model building module is electrically connected with marker recognition module, memory module and signal contrast module, signal
Contrast module is electrically connected with timing module and control module, control module and relay, solenoid valve, refrigerator 15, exhaust fan, sudden strain of a muscle
Bright lamp and buzzer electrical connection, signal receiving module is used to receive the information of camera acquisition slug 8 and thermal infrared imager is adopted
The thermal imaging information of collection and the signal of acquisition is transferred to marker recognition module and memory module, marker recognition module is to acquisition
8 information of slug identified, 8 information of slug and infrared heat that model building module is identified according to marker recognition module
As instrument acquire thermal imaging information areal model is established to appliance mounting panel 2, areal model includes corresponding with electric mounting chamber 5
Label information and temperature information, signal contrast module counted according to the temperature information of timing module and model building module
When compare, thus in digit's time 5 inside electric appliance of electric mounting chamber increasing extent of temperature and warning temperature, control module root
It is believed that increasing extent of temperature and warning temperature that number contrast module obtains are to control closure protection, the refrigerator, exhausting of relay
The unlatching of machine, flashing lamp and buzzer.
Embodiment one:
The inside of controller 11 is equipped with battery, and the output end of battery and controller 11, exhaust fan, camera,
Thermal infrared imager, flashing lamp, buzzer, relay and refrigerator 15 are electrically connected.
Working principle:
When use, the camera of acquisition device 9 is acquired slug 8 by the signal receiving module inside controller 11
Information and the thermal imaging information of thermal infrared imager acquisition are transmitted to marker recognition module and memory module, then marker recognition module
8 information of slug of acquisition is identified, while 8 information of slug that model building module is identified according to marker recognition module
And thermal infrared imager acquisition thermal imaging information areal model is established to appliance mounting panel 2, then signal contrast module according to
The temperature information of timing module and model building module carries out timing comparison, thus electric mounting chamber 5 in digit's time
The increasing extent of temperature and warning temperature of internal electric appliance, increasing extent of temperature that last control module is obtained according to signal contrast module and
Warning temperature is to control the closure protection, the unlatching of refrigerator, exhaust fan, flashing lamp and buzzer of relay；When electric appliance is pacified
The electric appliance temperature inside 5 of behaveing affectedly rise to setting it is vertical when, control module directly controls the power supply with switch cabinet body 1
The concatenated relay folding of route, thus the power supply of directly cut-out switch cabinet, while according to 5 inside electric appliance of electric mounting chamber
The solenoid valve of the corresponding cooling pipe 6 of variation unlatching of temperature is to cool down to 5 inside electric appliance of electric mounting chamber, the design
Structure simple operations are convenient and efficient, on the one hand can effectively monitor the change of temperature when operating of inside switch cabinet electric appliance
Change situation, so that the performance evaluation to switchgear provides data foundation, provide fundamental basis for the upgrading improvement of subsequent switchgear,
On the other hand it can efficiently and effectively cool down to the electric appliance of inside switch cabinet, switchgear outage condition be reduced, to reduce
It is lost caused by due to power-off.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of overtemperature protection system for switchgear, including switch cabinet body (1), it is characterised in that: the switchgear sheet
The inside of body (1) is equipped with the appliance mounting panel (2) being arranged along the vertical direction, and the side of appliance mounting panel (2) is equipped with along perpendicular
Histogram is vertically installed with partition (4) between adjacent stent (3) to the bracket (3) for the U-shaped structure being placed equidistant with, partition (4) and branch
Electric mounting chamber (5) are formed between frame (3), the slug being equipped at the top of bracket (3) at the top of electric mounting chamber (5)
(8), the inside of electric mounting chamber (5) is equipped with the cooling pipe (6) for the U-shaped structure being fixedly connected with partition (4), cooling pipe
(6) one end is equipped with the air inlet pipe (7) being fixedly attached with appliance mounting panel (2), and bracket (3) is far from appliance mounting panel (2)
Side is equipped with the acquisition device (9) positioned at switch cabinet body (1) inner sidewall, the side peace of appliance mounting panel (2) remote branch of a clan frame (3)
Equipped with the cooling body (10) being fixedly connected with switch cabinet body (1), it is equipped with and switchgear sheet at the top of cooling body (10)
The controller (11) that body (1) inner sidewall is fixedly connected, the inside of switch cabinet body (1) are also equipped with relay.
2. a kind of overtemperature protection system for switchgear according to claim 1, which is characterized in that the cooling body
It (10) include the air inlet housing (12) being fixedly attached with switch cabinet body (1), air inlet housing (12) is close to appliance mounting panel (2)
One end is welded with the shell (13) being connected to air inlet housing (12), and demarcation plate (14) are installed in the inside of shell (13), demarcation plate
(14) inside fixing sleeve is connected to refrigerator (15), and refrigerator (15) is equipped with far from a lateral roof of air inlet housing (12) and shell
The refrigerator pipe (17) that body (13) is fixedly attached, refrigerator (15) is equipped with far from a side-lower of air inlet housing (12) and shell
(13) heat-dissipating pipe (16) being fixedly attached, appliance mounting panel (2) is equipped with close to the side of cooling body (10) and refrigerator pipe
(17) connecting pipe (18) being connected to.
3. a kind of overtemperature protection system for switchgear according to claim 2, which is characterized in that the refrigerator
(15) refrigeration end is located at the over top of demarcation plate (14), and the radiating end of refrigerator (15) is located under the bottom of demarcation plate (14)
Side, the opening of air inlet housing (12) are equipped with strainer, and strainer is equipped with extraction fan close to the side of shell (13).
4. a kind of overtemperature protection system for switchgear according to claim 1, which is characterized in that the acquisition device
It (9) include the camera and thermal infrared imager being fixedly connected with switch cabinet body (1) inner sidewall, air inlet pipe is equipped with electricity on (7)
Magnet valve, air inlet pipe (7) offer stomata close to the side in the middle position of electric mounting chamber (5).
5. a kind of overtemperature protection system for switchgear according to claim 1, which is characterized in that the relay
Normally-closed contact is connected in the power supply line of switch cabinet body (1), and switch cabinet body is equipped with flashing lamp and buzzing at the top of (1)
Device.
6. a kind of overtemperature protection system for switchgear according to claim 1, which is characterized in that the slug
It (8) is string configuration, the surface of slug (8) is coated with black paint, and the surface of black paint is coated with label, and marks
Color be not black, labeled as letter or number or letter with number combinatorics on words.
7. a kind of overtemperature protection system for switchgear according to claim 1, which is characterized in that the controller
(11) inside is equipped with signal receiving module, marker recognition module, model building module, memory module, timing module, signal
Contrast module and control module, signal receiving module are electrically connected with camera, thermal infrared imager, marker recognition module and memory module
It connects, model building module is electrically connected with marker recognition module, memory module and signal contrast module, signal contrast module and timing
Module and control module electrical connection, control module and relay, solenoid valve, refrigerator (15), exhaust fan, flashing lamp and buzzer
Electrical connection.
8. a kind of overtemperature protection system for switchgear according to claim 7, which is characterized in that the signal receives
Module is used to receive the information of camera acquisition slug (8) and the thermal imaging information of thermal infrared imager acquisition and by acquisition
Signal is transferred to marker recognition module and memory module, and marker recognition module identifies slug (8) information of acquisition.
9. a kind of overtemperature protection system for switchgear according to claim 7, which is characterized in that the model foundation
The thermal imaging information for slug (8) information and the thermal infrared imager acquisition that module is identified according to marker recognition module pacifies electric appliance
Loading board (2) establishes areal model, and areal model includes label information corresponding with electric mounting chamber (5) and temperature information.
10. a kind of overtemperature protection system for switchgear according to claim 7, which is characterized in that the signal pair
Timing comparison is carried out according to the temperature information of timing module and model building module than module, thus electric in digit's time
The increasing extent of temperature and warning temperature of the internal electric appliance of device installation cavity (5), the heating that control module is obtained according to signal contrast module
Amplitude and warning temperature are to control the closure protection, the unlatching of refrigerator, exhaust fan, flashing lamp and buzzer of relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104230.7A CN109358665B (en) | 2018-09-21 | 2018-09-21 | Overheat protection device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811104230.7A CN109358665B (en) | 2018-09-21 | 2018-09-21 | Overheat protection device for switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109358665A true CN109358665A (en) | 2019-02-19 |
| CN109358665B CN109358665B (en) | 2020-09-04 |
Family
ID=65351121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811104230.7A Active CN109358665B (en) | 2018-09-21 | 2018-09-21 | Overheat protection device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109358665B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126191A (en) * | 1994-10-26 | 1996-05-17 | Toshiba Corp | Electronic circuit module cooling equipment |
| CN203645200U (en) * | 2013-11-25 | 2014-06-11 | 西安联控电气有限责任公司 | High-voltage power distribution cabinet semiconductor device heat-dissipating system |
| CN204929506U (en) * | 2015-07-24 | 2015-12-30 | 香江科技股份有限公司 | Heat pipe smart fan array modules |
| CN207853215U (en) * | 2018-01-26 | 2018-09-11 | 郭华 | A kind of low-voltage safety power distribution cabinet |
-
2018
- 2018-09-21 CN CN201811104230.7A patent/CN109358665B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126191A (en) * | 1994-10-26 | 1996-05-17 | Toshiba Corp | Electronic circuit module cooling equipment |
| CN203645200U (en) * | 2013-11-25 | 2014-06-11 | 西安联控电气有限责任公司 | High-voltage power distribution cabinet semiconductor device heat-dissipating system |
| CN204929506U (en) * | 2015-07-24 | 2015-12-30 | 香江科技股份有限公司 | Heat pipe smart fan array modules |
| CN207853215U (en) * | 2018-01-26 | 2018-09-11 | 郭华 | A kind of low-voltage safety power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109358665B (en) | 2020-09-04 |
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