CN107306017A - A kind of low-voltage distribution apparatus with dehumidifying and cooling function - Google Patents
A kind of low-voltage distribution apparatus with dehumidifying and cooling function Download PDFInfo
- Publication number
- CN107306017A CN107306017A CN201610256485.XA CN201610256485A CN107306017A CN 107306017 A CN107306017 A CN 107306017A CN 201610256485 A CN201610256485 A CN 201610256485A CN 107306017 A CN107306017 A CN 107306017A
- Authority
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- China
- Prior art keywords
- dehumidifying
- casing
- cooling
- voltage distribution
- low
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 230000006835 compression Effects 0.000 claims abstract description 26
- 238000007906 compression Methods 0.000 claims abstract description 26
- 230000008520 organization Effects 0.000 claims abstract description 22
- 239000002274 desiccant Substances 0.000 claims abstract description 18
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 230000001012 protector Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of low-voltage distribution apparatus with dehumidifying and cooling function, including casing, chamber door, functional unit, desiccant body, testing agency and controlling organization, the casing is double-decker, centre is cooling chamber, the desiccant body includes ventilating board, blower fan and condenser, the air inlet of the blower fan is connected with ventilating board, the air outlet of the blower fan is connected with condenser, the condenser includes cooling cylinder and compression set, the inlet and outlet of the compression set is connected by pipeline with cooling chamber respectively, electrically-controlled valve is provided with the pipeline, the testing agency includes temperature sensor and humidity sensor.The present invention can in real time in detection case body humidity and temperature conditions, when humidity and temperature is too high can influence the work of distribution box when, controller will control desiccant body to be operated, and by being passed through refrigerant toward cooling intracavitary, carry out dehumidifying and cooling work, the security performance that distribution box is used is improved, extends the service life of distribution box.
Description
Technical field
The present invention relates to a kind of low-voltage distribution apparatus with dehumidifying and cooling function, it is adaptable to electrical equipment field.
Background technology
Distribution box is to be used to reasonably distribute electric energy, the electrical equipment of the convenient switching action to circuit, have compared with
High class of safety protection, can intuitively display circuit conducting state.Distribution box during use,
Humidity in casing crosses conference and easily causes the corrosion of electric elements inside, so that the short-circuit conditions of circuit are caused,
More serious meeting causes the situation of distribution box damage on fire, and security performance is low, and cost is high, shortens distribution box
Service life.And distribution box inner member easily produces substantial amounts of heat, internal temperature during work
Spend height can cause inner member can not normal work, to life have a huge impact, reduce distribution box
Operating efficiency, although existing distribution box is provided with thermal vias, but through hole is opened for a long time, easily makes outer
The dust and pollutant in portion enter in casing, and cleaning is inconvenient.
The content of the invention
The technical problems to be solved by the invention are that the defect for overcoming prior art has dehumidifying drop there is provided one kind
The low-voltage distribution apparatus of temperature function, humidity and temperature conditions that it can in real time in detection case body, when humidity and
Temperature is too high when can influence the work of distribution box, and controller will control desiccant body to be operated, and lead to
Passing cooling intracavitary is passed through refrigerant, carries out dehumidifying and cooling work, improves the security performance that distribution box is used,
Extend the service life of distribution box.
The present invention solves above-mentioned technical problem and adopted the technical scheme that：It is a kind of low with dehumidifying and cooling function
Electric equipment, including casing, chamber door, functional unit, desiccant body, testing agency and controlling organization are press-fitted,
The chamber door is hinged on the side before casing, and the functional unit and controlling organization are arranged at box inside
Rear wall on, the testing agency is arranged on the side wall of box inside, and the desiccant body is arranged on casing
Interior lower end；The casing be double-decker, centre for cooling chamber, the desiccant body include ventilating board,
Blower fan and condenser, the air inlet of the blower fan are connected with ventilating board, the air outlet and condenser of the blower fan
It is connected, the condenser includes cooling cylinder and compression set, the inlet and outlet of the compression set is led to respectively
Piping is connected with cooling chamber, and electrically-controlled valve is provided with the pipeline, and the testing agency includes TEMP
Device and humidity sensor, the output end of the temperature sensor and the output end of humidity sensor respectively with control
The input of mechanism is connected, the output end of controlling organization input respectively with blower fan, compression set
Input is connected with the input of electrically-controlled valve.
Further, in order to realize the function of distribution box, the functional unit includes mother successively from top to bottom
Line row, protector assembly and switch module.
Further, in order to realize that dehumidifies and cool automatically controls, the controlling organization is arranged on switch
The left side of component, the controlling organization is internally provided with controller and power module, the power module and control
Device electrical connection processed, the controller is single-chip microcomputer.
Further, for the ease of winding displacement, multiple lines of putting is provided with the casing and are arranged, it is described to put line row's difference
It is arranged between functional unit and on the side wall of box house.
Further, for the ease of distribution box inlet wire and outlet, the upper end of the casing is provided with entrance hole, institute
State and multiple wire holes are provided with the right side of entrance hole.
Further, it is described in order to which the vaporous water in casing is liquefied as into aqueous water and excluded outside casing
Condenser pipe is provided with cooling cylinder, the entrance of the condenser pipe is connected with the outlet of compression set, the condensation
The outlet of pipe is connected with the entrance of compression set, and the delivery port of the cooling cylinder leads on the outside of casing through casing,
Refrigerant is provided with the condenser pipe.
Further, display panel is provided with the outside of the working condition of distribution box, the chamber door in order to show,
Power supply indicator is provided with the display panel.
Further, in order to being easy to set on the humidity and temperature conditions in show case body, the control panel
Wetness display unit and temperature indicator are equipped with, the wetness display unit is arranged on the left side of power supply indicator, institute
The lower end that temperature indicator is arranged on wetness display unit is stated, the output end of the controlling organization is aobvious with humidity respectively
Show that the input of device is connected with the input of temperature indicator.
Further, it is provided with startup for the ease of manually booting and closing on desiccant body, the control panel
Key and stop key, the start key and stop key are successively set on the right side of temperature indicator, the control machine
The input of structure is connected with the output end of the output end of start key you and stop key respectively.
Further, it is provided with mechanical lock in the middle of chamber door, the outside of the chamber door for the ease of pinning.
Employ after above-mentioned technical proposal, the present invention has following beneficial effect：The present invention is due to being provided with
Temperature sensor and humidity sensor, the temperature and humidity situation in distribution box body can be detected in real time, when
When humidity is higher, controller will control desiccant body to be operated, and the vaporous water in casing is converted into liquid
Outside state water discharge casing, it is ensured that the aridity in casing, when the temperature in casing is too high, controller will
The electrically-controlled valve between compression set and cooling chamber is controlled to connect, refrigerant enters cooling chamber, gasification heat absorption is right
Casing is cooled, and is then again introduced into compression set, simple and easy to use, improves the peace of distribution box
Full performance and operating efficiency, extend the service life of distribution box, because casing uses double-decker, use
Cooling chamber is cooled, and removes original air vent, the pollutants such as the dust in the external world is not entered in casing,
The cleannes in casing are ensure that, use is safer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of low-voltage distribution apparatus with dehumidifying and cooling function of the present invention；
Fig. 2 is a kind of section of the desiccant body of low-voltage distribution apparatus with dehumidifying and cooling function of the present invention
Figure；
Fig. 3 is a kind of structure chart of the chamber door of low-voltage distribution apparatus with dehumidifying and cooling function of the present invention；
Fig. 4 is a kind of control principle drawing of low-voltage distribution apparatus with dehumidifying and cooling function of the present invention；
In figure：1. casing, 2. chamber doors, 3. desiccant bodies, 4. controlling organizations, 5. cooling chambers, 6. ventilating boards,
7. blower fan, 8. cooling cylinders, 9. compression sets, 10. pipelines, 11. electrically-controlled valves, 12. temperature sensors, 13.
Humidity sensor, 14. bus bars, 15. protector assemblies, 16. switch modules, 17. put line row, 18. outlets
Hole, 19. entrance holes, 20. condenser pipes, 21. display panels, 22. power supply indicators, 23. wetness display units,
24. temperature indicator, 25. start keys, 26. stop keys, 27. mechanical locks.
Embodiment
In order that present disclosure is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, the present invention is further detailed explanation.
As Figure 1-4, a kind of low-voltage distribution apparatus with dehumidifying and cooling function, including casing 1, chamber door
2nd, functional unit, desiccant body 3, testing agency and controlling organization 4, the chamber door 2 are hinged on casing 1
Side above, the functional unit and controlling organization 4 are arranged on the rear wall of the inner side of casing 1, described
Testing agency is arranged on the side wall of the inner side of casing 1, and the desiccant body 3 is arranged on box house lower end；
The casing 1 is double-decker, and centre is cooling chamber 5, and the desiccant body includes ventilating board 6, blower fan 7
And condenser, the air inlet of the blower fan 7 is connected with ventilating board 6, the air outlet of the blower fan 7 and condensation
Device is connected, and the condenser includes cooling cylinder 8 and compression set 9, the inlet and outlet of the compression set 9
It is connected respectively by pipeline 10 with cooling chamber 5, electrically-controlled valve 11, the detection is provided with the pipeline 10
Mechanism includes temperature sensor 12 and humidity sensor 13, the output end and humidity of the temperature sensor 12
The output end of sensor 13 is connected with the input of controlling organization respectively, the output end difference of the controlling organization
The input of input, the input of compression set 9 and electrically-controlled valve 11 with blower fan 7 is connected.
In order to realize the function of distribution box, the functional unit include successively from top to bottom bus bar 14,
Protector assembly 15 and switch module 16.
In order to realize that dehumidifies and cool automatically controls, the controlling organization 4 is arranged on switch module 16
Left side, the controlling organization 4 is internally provided with controller and power module, the power module and control
Device is electrically connected, and the controller is single-chip microcomputer.
For the ease of winding displacement, be provided with the casing 1 it is multiple put line row 17, it is described to put line row and 17 set respectively
Put on the side wall between functional unit and inside casing 1.
For the ease of distribution box inlet wire and outlet, the upper end of the casing is provided with entrance hole 18, the inlet wire
The right side in hole 18 is provided with multiple wire holes 19.
In order to which the vaporous water in casing 1 is liquefied as into aqueous water and excluded outside casing 1, the condensation
Condenser pipe 20 is provided with case 8, the entrance of the condenser pipe 20 is connected with the outlet of compression set 9, described
The outlet of condenser pipe 20 is connected with the entrance of compression set 9, and the delivery port of the cooling cylinder 8 passes through casing 1
Lead on the outside of casing, refrigerant is provided with the condenser pipe 20.
In order to show the working condition of distribution box, the outside of the chamber door 2 is provided with display panel 21, described
Power supply indicator 22 is provided with display panel 21.
It is provided with order to be easy to show on the humidity and temperature conditions in casing 1, the control panel 21
Wetness display unit 23 and temperature indicator 24, the wetness display unit 23 are arranged on a left side for power supply indicator 22
Side, the temperature indicator 24 is arranged on the lower end of wetness display unit 23, the output end of the controlling organization
It is connected respectively with the input of wetness display unit 23 and the input of temperature indicator 24.
Start key 25 is provided with for the ease of manually booting and closing on desiccant body, the control panel 21
With stop key 26, the start key 25 and stop key 26 are successively set on the right side of temperature indicator 24, institute
The input of controlling organization is stated respectively with the output end of the output end of start key 25 you and stop key 26 to be connected.
For the ease of pinning mechanical lock 27 is provided with the middle of chamber door 2, the outside of the chamber door 2.
Distribution box is during work, and the lamp of power supply instruction 22 is in luminance, it is necessary to carry out automatic dehumidifying
During cooling, the humidity sensor 13 and temperature sensor 12 pressed first in start key 25, casing 1 can be real
When detection casing 1 in humidity and temperature conditions, and convert the signal into electric signal and pass to controller,
Controller is handled signal, and when humidity is larger, controller will control blower fan 7 and compression set 9
It is operated, blower fan 7 sucks the vaporous water in casing 1 in cooling cylinder 8, the refrigerant of condenser pipe 20 will
Vaporous water is converted into outside aqueous water discharge casing 1.When the temperature in casing 1 is too high, controller will be controlled
Compression set 9 processed works, and connects electrically-controlled valve 11, refrigerant is passed through in cooling chamber 5, gasification heat absorption,
Then refrigerant gas enters in compression set 9 again by pipeline 10 carries out second compression again, is easy to make next time
With, it is ensured that the security that distribution box is used.When need not carry out automatic dehumidifying cooling, press and stop
Only key 26, just can stop the work of all dehumidifying and coolings, simple and easy to use.
Compared with prior art, the present invention, can be real-time due to being provided with temperature sensor and humidity sensor
The temperature and humidity situation in distribution box body is detected, when humidity is higher, controller will control dehumidifier
Structure is operated, and the vaporous water in casing is converted into outside aqueous water discharge casing, it is ensured that the drying in casing
Degree, when the temperature in casing is too high, controller will control the electrically-controlled valve between compression set and cooling chamber
Connect, refrigerant enters cooling chamber, gasification heat absorption cools to casing, is then again introduced into compression dress
It is simple and easy to use in putting, the security performance and operating efficiency of distribution box are improved, distribution box is extended
Service life, because casing uses double-decker, is cooled using cooling chamber, removes original air vent,
Making the pollutant such as dust in the external world will not enter in casing, it is ensured that the cleannes in casing, using more pacifying
Entirely.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effect
Be further described, should be understood that the foregoing is only the present invention specific embodiment and
, it is not intended to limit the invention, within the spirit and principles of the invention, any modification for being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of low-voltage distribution apparatus with dehumidifying and cooling function, it is characterised in that：Including casing, chamber door,
Functional unit, desiccant body, testing agency and controlling organization, the chamber door are hinged on the side before casing,
The functional unit and controlling organization are arranged on the rear wall of box inside, and the testing agency is arranged on case
On the side wall of internal side, the desiccant body is arranged on box house lower end；The casing is double-decker,
Centre is cooling chamber, and the desiccant body includes ventilating board, blower fan and condenser, the air inlet of the blower fan
It is connected with ventilating board, the air outlet of the blower fan is connected with condenser, the condenser includes cooling cylinder and pressure
Compression apparatus, the inlet and outlet of the compression set is connected by pipeline with cooling chamber respectively, on the pipeline
Electrically-controlled valve is provided with, the testing agency includes temperature sensor and humidity sensor, the temperature sensor
Output end and the output end of humidity sensor be connected respectively with the input of controlling organization, the controlling organization
Output end input, the input of compression set and the input of electrically-controlled valve respectively with blower fan be connected.
2. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, its feature
It is：The functional unit includes bus bar, protector assembly and switch module successively from top to bottom.
3. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 2, its feature
It is：The controlling organization is arranged on the left side of switch module, and the controlling organization is internally provided with controller
And power module, the power module is electrically connected with the controller, and the controller is single-chip microcomputer.
4. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, its feature
It is：Be provided with the casing it is multiple put lines row, it is described put line row be separately positioned between functional unit and
On the side wall of box house.
5. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, its feature
It is：The upper end of the casing is provided with the right side of entrance hole, the entrance hole and is provided with multiple wire holes.
6. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, its feature
It is：Condenser pipe is provided with the cooling cylinder, the entrance of the condenser pipe is connected with the outlet of compression set,
The outlet of the condenser pipe is connected with the entrance of compression set, and the delivery port of the cooling cylinder leads to through casing
On the outside of casing, refrigerant is provided with the condenser pipe.
7. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, its feature
It is：It is provided with the outside of the chamber door on display panel, the display panel and is provided with power supply indicator.
8. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 7, its feature
It is：Wetness display unit and temperature indicator are provided with the control panel, the wetness display unit is set
In the left side of power supply indicator, the temperature indicator is arranged on the lower end of wetness display unit, the control machine
The output end of structure is connected with the input of wetness display unit and the input of temperature indicator respectively.
9. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 8, its feature
It is：Start key and stop key are provided with the control panel, the start key and stop key are set gradually
On the right side of temperature indicator, the input of the controlling organization respectively with the output end of start key you and stop
The output end of key is connected.
10. a kind of low-voltage distribution apparatus with dehumidifying and cooling function according to claim 1, it is special
Levy and be：Mechanical lock is provided with the middle of the outside of the chamber door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256485.XA CN107306017A (en) | 2016-04-22 | 2016-04-22 | A kind of low-voltage distribution apparatus with dehumidifying and cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256485.XA CN107306017A (en) | 2016-04-22 | 2016-04-22 | A kind of low-voltage distribution apparatus with dehumidifying and cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107306017A true CN107306017A (en) | 2017-10-31 |
Family
ID=60152633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256485.XA Pending CN107306017A (en) | 2016-04-22 | 2016-04-22 | A kind of low-voltage distribution apparatus with dehumidifying and cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107306017A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658758A (en) * | 2017-11-03 | 2018-02-02 | 许昌商通实业有限公司 | A kind of good high-tension switch cabinet of effect on moisture extraction |
| CN107864582A (en) * | 2017-11-10 | 2018-03-30 | 西藏世峰高科能源技术有限公司 | Electric automobile protection against the tide thermostatic type charging pile |
| CN108695704A (en) * | 2018-06-07 | 2018-10-23 | 柳州易旺科技有限公司 | A kind of power cabinet based on intelligent monitoring |
| CN108736331A (en) * | 2018-05-29 | 2018-11-02 | 湖州旭源电气科技有限公司 | Intelligent heat dissipation power distribution cabinet |
| CN110535044A (en) * | 2019-09-25 | 2019-12-03 | 吴贺 | A kind of mine down-hole electrical equipment safety guard |
| CN110970816A (en) * | 2018-09-28 | 2020-04-07 | 句容市江电电器机械有限公司 | Power distribution cabinet |
| CN116191259A (en) * | 2023-02-21 | 2023-05-30 | 太仓德纳森机电工程有限公司 | Heat dissipation and moisture prevention device and method for electrical control cabinet |
-
2016
- 2016-04-22 CN CN201610256485.XA patent/CN107306017A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658758A (en) * | 2017-11-03 | 2018-02-02 | 许昌商通实业有限公司 | A kind of good high-tension switch cabinet of effect on moisture extraction |
| CN107864582A (en) * | 2017-11-10 | 2018-03-30 | 西藏世峰高科能源技术有限公司 | Electric automobile protection against the tide thermostatic type charging pile |
| CN107864582B (en) * | 2017-11-10 | 2024-03-29 | 西藏世峰高科能源技术有限公司 | Dampproofing constant temperature formula fills electric pile of electric automobile |
| CN108736331A (en) * | 2018-05-29 | 2018-11-02 | 湖州旭源电气科技有限公司 | Intelligent heat dissipation power distribution cabinet |
| CN108695704A (en) * | 2018-06-07 | 2018-10-23 | 柳州易旺科技有限公司 | A kind of power cabinet based on intelligent monitoring |
| CN110970816A (en) * | 2018-09-28 | 2020-04-07 | 句容市江电电器机械有限公司 | Power distribution cabinet |
| CN110535044A (en) * | 2019-09-25 | 2019-12-03 | 吴贺 | A kind of mine down-hole electrical equipment safety guard |
| CN116191259A (en) * | 2023-02-21 | 2023-05-30 | 太仓德纳森机电工程有限公司 | Heat dissipation and moisture prevention device and method for electrical control cabinet |
| CN116191259B (en) * | 2023-02-21 | 2023-11-07 | 太仓德纳森机电工程有限公司 | Heat dissipation and moisture prevention device and method for electrical control cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171031 |