CN111315164A - Integrated elevator control cabinet - Google Patents
Integrated elevator control cabinet Download PDFInfo
- Publication number
- CN111315164A CN111315164A CN201911202627.4A CN201911202627A CN111315164A CN 111315164 A CN111315164 A CN 111315164A CN 201911202627 A CN201911202627 A CN 201911202627A CN 111315164 A CN111315164 A CN 111315164A
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- elevator control
- temperature
- cabinet
- control cabinet
- 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
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses an integrated elevator control cabinet which comprises a cabinet body, wherein the cabinet body comprises a main cabinet body and an upper cabinet body, a plurality of air vents are arranged between the main cabinet body and the upper cabinet body, a brake resistor is arranged in the upper cabinet body, a ventilation net is arranged on the side wall of the upper cabinet body, a fixing frame is arranged in the main cabinet body, a plurality of fans are arranged in the fixing frame, a heat dissipation plate is arranged on the fixing frame, a silencing box, a temperature control module and a control device are arranged on the heat dissipation plate, a contactor is arranged in the silencing box, a transformer and an emergency control device are arranged at a position above the heat dissipation plate in the main cabinet body, temperature monitoring modules are arranged on the transformer and the. The invention can solve the problem that internal parts are easy to break down due to heating noise in the control cabinet in the prior art, and has the advantages of small sound, simple structure, easy maintenance and long service life.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an integrated elevator control cabinet.
Background
The elevator control cabinet in the existing high-rise elevator has the problems that the parts of a transformer and a brake resistor usually have serious heating due to large load, a contactor in the elevator control cabinet can cause the elevator control cabinet to emit a large amount of noise due to frequent opening and closing, and meanwhile, the parts such as the contactor can also cause the parts to break down due to the heating problems of the parts in the elevator control cabinet, so that a large amount of maintenance tasks are brought, and a large amount of working pressure is brought to relevant logistics maintenance personnel of the elevator.
In the prior art, some schemes for improving aspects of heat dissipation, temperature control, noise reduction and the like of the control cabinet are provided, but because all parts in the control cabinet are integral and mutually influenced in a mutual correlation manner, the improvement in a single aspect has limited improvement on the frequency of maintenance of the control cabinet; and improve from many angles simultaneously, cause the control cabinet body to amass too big again very easily, change looks and increase the maintenance degree of difficulty.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the integrated elevator control cabinet which can solve the problem that internal components are easy to break down due to heating noise in the control cabinet in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an integrated elevator control cabinet, it includes the cabinet body, the cabinet body includes the main cabinet body and goes up the cabinet body, be provided with a plurality of air vents between the main cabinet body and the last cabinet body, it is internal to go up the internal brake resistance that is provided with of cabinet, it is provided with the ventilation net to go up on the cabinet side wall, the internal mount that is provided with of main cabinet, install a plurality of fans in the mount, install the heating panel on the mount, be provided with the silence box on the heating panel, temperature monitoring module and controlling means, be provided with the contactor in the silence box, the internal position department that lies in the heating panel top of main cabinet is provided with transformer and emergency control device, be provided with temperature.
Among the above-mentioned technical scheme, preferred, the inlayer of silence box is provided with sound absorbing material, and the shell is metal material.
Among the above-mentioned technical scheme, preferred, the silence box sets up in the heating panel middle part, and the upper and lower both sides of silence box all are provided with communicating pipe, are provided with the wiring of contactor in the communicating pipe.
Among the above-mentioned technical scheme, preferred, the mount middle part is provided with first fan group, and the lower extreme of the communicating pipe of silence box downside is located directly over first fan group.
Among the above-mentioned technical scheme, preferred, the temperature monitoring module is including setting up the first temperature monitoring module on the transformer, setting up the second temperature monitoring module on the contactor and being provided with the third temperature monitoring module on the brake resistance.
Among the above-mentioned technical scheme, preferred, the transformer upside is provided with the second fan group, and the second fan group is fixed to be set up in the side of the main cabinet body.
In the above technical solution, preferably, the heat dissipation plate is provided with a plurality of small holes.
In the above technical solution, preferably, the fixing frame is provided with a third fan set at a position on one side of the front surface of the heat dissipation plate.
In the above technical solution, preferably, the emergency control device includes a testing device and an emergency stop device, and the testing device and the emergency stop device are electrically connected to the control device, the brake resistor, the contactor, and the transformer, respectively.
In the above technical scheme, preferably, the temperature monitoring module is a temperature sensitive resistor circuit, and the temperature control module is a single chip microcomputer.
The integrated elevator control cabinet provided by the invention has the main beneficial effects that:
according to the invention, the main cabinet body and the upper cabinet body are arranged, the braking resistor with large heat productivity is arranged in the upper cabinet body, the ventilation net is arranged on the side wall of the upper cabinet body, so that the heat of the braking resistor can be discharged through the ventilation net, the vent hole is arranged between the upper cabinet body and the main cabinet body, the fan is arranged on the fixing frame, the fan blows air, the air enters the upper cabinet body from the vent hole and is discharged from the ventilation net, and the braking resistor can be further cooled through the air flow of the fan.
By arranging the mute box, the contactor box with high noise is arranged in the mute box, so that the effect of reducing the noise of the control cabinet can be achieved; through setting up temperature monitoring module and temperature control module, through monitoring the temperature to the internal components and parts of cabinet, when the components and parts temperature reached the setting value, open corresponding fan to can play the effect of carrying out temperature control and cooling to components and parts, thereby avoid leading to the problem of trouble because of the components and parts high temperature.
Through setting up the heating panel, and at the transformer upside, the heating panel openly all sets up fan assembly, when the equal high temperature of a plurality of components and parts in the switch board, down blast air through the second fan assembly on the transformer, after the air current reachd the main cabinet body bottom, follow the third fan assembly and upwards blast air together, part air current is from the heating panel openly upwards get into the air vent, and the ventilation net of the side of the upper cabinet body discharges, part air current continues to follow the second fan assembly, from the heating panel back downstream, form the air current circulation, and then at the heating panel back, openly, form the air current passageway in the upper cabinet body, thereby can furthest realize the cooling effect to each part.
The small holes are formed in the heat dissipation plate, so that the circulating air flow can cool and dissipate the temperature of the control device and the mute box on the heat dissipation plate conveniently; through setting up first fan group and communicating pipe, when the contactor temperature was higher, directly blast into the silence box with the wind through first fan group to effectively guarantee the cooling effect.
Through setting up heating panel, fan, temperature monitoring module and temperature control module to guarantee the operating temperature of each part in the switch board, avoid each part because of the trouble problem that generates heat and lead to, thereby reduce and examine maintenance task volume, and then reduce elevator relevant logistics maintainer's work load, improve the life of switch board.
Through setting up emergency control device, when examining maintenance personal and regularly patrolling and examining and maintaining, can directly test the operation condition of the components and parts of the cabinet body through emergency control device, because emergency control device direct access components and parts circuit, test through emergency control device, can be directly with the signal of telecommunication access emergency control device of components and parts in, rather than triggering corresponding equipment work, according to the signal of telecommunication that emergency control device received, can judge the operation condition of each components and parts, thereby avoid because the operation condition of test components and parts and corresponding equipment, consume a large amount of time, increase and examine maintenance work load.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is an external view of the cabinet.
Fig. 4 is a schematic view of the air circulation paths in the conventional cool down mode.
FIG. 5 is a schematic view of the air circulation path in the strong pull down mode.
Fig. 6 is a schematic diagram of the emergency control device.
Fig. 7 is a schematic diagram of the operating principle of the temperature monitoring module.
FIG. 8 is a schematic diagram of the operation of the temperature control module.
The intelligent cabinet temperature monitoring system comprises a cabinet body 1, a cabinet body 11, an upper cabinet body 12, a ventilation net 13, a main cabinet body 14, a ventilation hole 15, a fixing frame 16, a cabinet door 17, a brake resistor 2, a heat dissipation plate 21, a contactor 22, a control device 23, a temperature control module 24, a support 3, a transformer 4, an emergency control device 41, a testing device 42, an emergency stop device 43, a control button 44, a data interface 5, a mute box 51, a communication pipe 52, a wiring 6, a fan 61, a first fan group 62, a second fan group 63, a third fan group 7, a temperature monitoring module 71, a first temperature monitoring module 72, a second temperature monitoring module 73 and a third temperature monitoring module.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1, it is a schematic structural diagram of an integrated elevator control cabinet.
The integrated elevator control cabinet comprises a cabinet body 1, wherein the cabinet body 1 comprises a main cabinet body 13 and an upper cabinet body 11, a plurality of vent holes 14 are formed between the main cabinet body 13 and the upper cabinet body 11, a brake resistor 17 is arranged in the upper cabinet body 11, and a ventilation net 12 is arranged on the side wall of the upper cabinet body 11.
A cabinet door 16 is arranged on the main cabinet body 13, as shown in fig. 3, a fixed frame 15 is arranged in the main cabinet body 13, and the fixed frame 15 is composed of a plurality of connecting rods. Install a plurality of fans 6 in the mount 15, the mount 15 upper end is connected with the lower extreme of heating panel 2, as shown in fig. 2, the upper end of heating panel 2 is through support and 16 rear side walls fixed connection of the main cabinet body, be provided with silence box 5 on the heating panel 2, temperature control module 23 and controlling means 22, be provided with contactor 21 in the silence box 5, the position department that is located heating panel 2 top in the main cabinet body 13 is provided with transformer 3 and emergency control device 4, be provided with temperature monitoring module 7 on transformer 3 and the contactor 21, temperature monitoring module 7 and temperature control module 23, fan 6 electricity is connected.
Preferably, the heat dissipation plate 2 is provided with a plurality of small holes so as to improve the heat dissipation effect on the basis of not influencing the wiring and the installation of components.
Specifically, the mute box 5 is a double-layer structure, the inner layer is made of sound-absorbing material, and the outer shell is made of metal material. The mute case 5 is provided in the middle of the heat radiating plate 2, and the contactor 21 is provided on the rear side surface of the mute case 5. Communication pipes 51 are provided on both upper and lower sides of mute case 5, and wiring of contactor 21 is provided in communication pipe 51. The middle of the fixing frame 15 is provided with a first fan set 61, and the lower end of the communicating pipe 51 at the lower side of the mute box 5 is positioned right above the first fan set 61.
The temperature monitoring module 7 includes a first temperature monitoring module 71 disposed on the transformer 3, a second temperature monitoring module 72 disposed on the contactor, and a third temperature monitoring module 73 disposed on the brake resistor. The temperature monitoring modules 7 are NTC thermistor temperature measuring circuits which are connected in parallel on the target component and are close to the target component, and the temperature control module 23 is an STM series single chip microcomputer.
The second fan set 62 is disposed on the upper side of the transformer 3, and the second fan set 62 is fixedly disposed on the side of the main cabinet 13. The third fan group 63 is provided on the fixing frame 15 at a position on the front surface side of the heat radiating plate 2.
Preferably, each fan set comprises two adjacent rectangular heat dissipation fans, and the fans 6 are electrically connected with the power circuit and the temperature control module 23.
The emergency control device 4 includes a test device 41 and an emergency stop device 42, and the test device 41 and the emergency stop device 42 are electrically connected to each control device 22, the brake resistor 17, the contactor 21, and the transformer 3, respectively.
Specifically, the test device 41 and the emergency stop device 42 are both provided with control buttons 43, the test device 41 is also provided with a data interface 44, the test device 41 and the emergency stop device 42 are respectively connected in parallel with the input end and the output end of each component in the control cabinet, when the control cabinet needs to be inspected and maintained, an external output circuit of the component is cut off, so that a loop is formed with the test device 41, different functions are started through the control buttons 43 on the test device 41, the corresponding component works, so that the health condition of each component is detected, and the corresponding detection result can be recorded through the data interface 44; after the maintenance is finished, the external output circuit is recovered, and the control cabinet can be recovered to work.
When an emergency occurs, the control button 43 on the emergency stop device 42 can cut off the external output circuit of the components, thereby realizing the emergency stop of the elevator. By providing the emergency stop device 42, the operation of the control cabinet can be manually cut off, and danger can be prevented.
Through setting up heating panel 2, fan 6, temperature monitoring module 7 and temperature control module 23 to guarantee the operating temperature of each part in the switch board, avoid each part because of the trouble problem that generates heat and lead to, thereby reduce and examine maintenance task volume, and then reduce elevator relevant logistics maintenance personnel's work load, improve the life of switch board. Through setting up emergency control device 4, the maintenance of the logistics maintenance personnel of being convenient for. Through the combined action of each part, furthest improves the life of switch board to reduce logistics maintainer work load, improve the security of elevator.
The working principle of the scheme is as follows:
temperature control module, temperature monitoring module and fan have three kinds of mode in this scheme:
the conventional mode is as follows: as shown in fig. 7 and 8, the temperature monitoring module 7 and the temperature control module 23 monitor the temperature of the components in the cabinet, and when the temperature of the components does not reach a set value, the fan 6 is in a closed state, and each component normally works.
And (3) a conventional cooling mode: as shown in fig. 4, the temperature monitoring module 7 and the temperature control module 23 monitor the temperature of the components in the cabinet, and when the temperature of the components reaches a set value, the corresponding fan 6 is turned on, so that the effects of controlling the temperature and cooling the components can be achieved, and the problem of failure caused by overhigh temperature of the components is avoided.
A strong cooling mode: as shown in fig. 5, when the temperature monitoring module 7 and the temperature control module 23 detect that the temperatures of the multiple components in the control cabinet are too high, the second fan group 62 on the transformer 3 blows air downwards, after the air flow reaches the bottom of the main cabinet body 13, the air flow blows air upwards along with the third fan group 63, part of the air flow enters the vent holes 14 upwards from the front surface of the heat dissipation plate 2 and is exhausted from the ventilation net 12 on the side surface of the upper cabinet body 11, and part of the air flow continues to follow the second fan group 62 and moves downwards from the back surface of the heat dissipation plate 2, so that air flow circulation is formed. And then air flow channels are formed on the back surface, the front surface and the upper cabinet body 11 of the heat dissipation plate 2, so that the cooling effect on each part can be realized to the maximum extent.
As shown in fig. 6, when the maintenance personnel performs regular inspection and maintenance, the operation condition of the components in the cabinet body is directly tested by the emergency control device 4. Through the test of the emergency control device 4, the electric signals of the components can be directly accessed into the emergency control device 4, instead of triggering corresponding equipment to work, and the working conditions of the components can be judged according to the electric signals received by the emergency control device 4. Therefore, the problems that a large amount of time is consumed due to the fact that operation conditions of the components and the corresponding equipment are tested and the workload of maintenance is increased are avoided.
The above description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
Claims (10)
1. The utility model provides an integration elevator control cabinet, a serial communication port, the intelligent cabinet temperature adjusting device comprises a cabinet body, the cabinet body includes the main cabinet body and goes up the cabinet body, is provided with a plurality of air vents between the main cabinet body and the last cabinet body, go up the internal brake resistance that is provided with of cabinet, upward be provided with the ventilation net on the cabinet side wall, the internal mount that is provided with of main cabinet, install a plurality of fans in the mount, install the heating panel on the mount, be provided with silence box, temperature control module and controlling means on the heating panel, be provided with the contactor in the silence box, the internal position department that lies in the heating panel top of main cabinet is provided with transformer and emergency control device, be provided with temperature monitoring module on.
2. The integrated elevator control cabinet according to claim 1, wherein the inner layer of the mute box is provided with a sound absorbing material and the outer shell is made of a metal material.
3. The integrated elevator control cabinet according to claim 2, wherein the mute box is disposed in the middle of the heat dissipation plate, the communication pipes are disposed on both the upper and lower sides of the mute box, and the wiring of the contactor is disposed in the communication pipes.
4. The integrated elevator control cabinet according to claim 3, wherein a first fan set is disposed in the middle of the fixing frame, and the lower end of the communicating pipe on the lower side of the mute box is located right above the first fan set.
5. The integrated elevator control cabinet according to claim 1, wherein the temperature monitoring modules comprise a first temperature monitoring module disposed on the transformer, a second temperature monitoring module disposed on the contactor, and a third temperature monitoring module disposed on the brake resistor.
6. The integrated elevator control cabinet according to claim 1, wherein a second fan set is disposed on the upper side of the transformer, and the second fan set is fixedly disposed on the side of the main cabinet body.
7. The integrated elevator control cabinet of claim 1, wherein the heat sink has a plurality of apertures formed therein.
8. The integrated elevator control cabinet according to claim 1, wherein a third fan set is provided on the fixing frame at a position on the front side of the heat radiating plate.
9. The integrated elevator control cabinet according to claim 1, wherein the emergency control device comprises a test device and an emergency stop device, the test device and the emergency stop device being electrically connected to the control device, the brake resistor, the contactor, and the transformer, respectively.
10. The integrated elevator control cabinet according to claim 1, wherein the temperature monitoring module is a temperature sensitive resistor circuit and the temperature control module is a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202627.4A CN111315164A (en) | 2019-11-29 | 2019-11-29 | Integrated elevator control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202627.4A CN111315164A (en) | 2019-11-29 | 2019-11-29 | Integrated elevator control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111315164A true CN111315164A (en) | 2020-06-19 |
Family
ID=71161805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911202627.4A Pending CN111315164A (en) | 2019-11-29 | 2019-11-29 | Integrated elevator control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111315164A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729551U (en) * | 2010-06-25 | 2011-02-02 | 浙江欧姆龙电梯有限公司 | Elevator control cabinet |
| CN201980823U (en) * | 2010-12-04 | 2011-09-21 | 潍坊多元电器设备有限公司 | Elevator control cabinet |
| CN102562637A (en) * | 2010-12-28 | 2012-07-11 | 振华电脑有限公司 | Fan rotating-speed control method and device of computer power supply |
| CN103199446A (en) * | 2013-03-19 | 2013-07-10 | 启东沃玛力电器辅件有限公司 | Improved low voltage power distribution cabinet |
| CN203455768U (en) * | 2013-09-15 | 2014-02-26 | 黄杰 | Case temperature-control adjustor |
| CN104405668A (en) * | 2014-10-27 | 2015-03-11 | 苏州佑瑞检测技术有限公司 | Fan control system with intelligent temperature control and antitheft control functions |
| CN107010501A (en) * | 2016-01-27 | 2017-08-04 | 株式会社日立制作所 | Elevator control cabinet |
| CN107673147A (en) * | 2017-11-03 | 2018-02-09 | 苏州福特美福电梯有限公司 | A kind of operation panel of damping and radiating |
-
2019
- 2019-11-29 CN CN201911202627.4A patent/CN111315164A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729551U (en) * | 2010-06-25 | 2011-02-02 | 浙江欧姆龙电梯有限公司 | Elevator control cabinet |
| CN201980823U (en) * | 2010-12-04 | 2011-09-21 | 潍坊多元电器设备有限公司 | Elevator control cabinet |
| CN102562637A (en) * | 2010-12-28 | 2012-07-11 | 振华电脑有限公司 | Fan rotating-speed control method and device of computer power supply |
| CN103199446A (en) * | 2013-03-19 | 2013-07-10 | 启东沃玛力电器辅件有限公司 | Improved low voltage power distribution cabinet |
| CN203455768U (en) * | 2013-09-15 | 2014-02-26 | 黄杰 | Case temperature-control adjustor |
| CN104405668A (en) * | 2014-10-27 | 2015-03-11 | 苏州佑瑞检测技术有限公司 | Fan control system with intelligent temperature control and antitheft control functions |
| CN107010501A (en) * | 2016-01-27 | 2017-08-04 | 株式会社日立制作所 | Elevator control cabinet |
| CN107673147A (en) * | 2017-11-03 | 2018-02-09 | 苏州福特美福电梯有限公司 | A kind of operation panel of damping and radiating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111988964A (en) | Machine room airflow group control system and method | |
| CN212626803U (en) | Longitudinal crane power distribution cabinet | |
| CN111315164A (en) | Integrated elevator control cabinet | |
| CN111984094B (en) | Computer temperature detection system and device | |
| CN215010952U (en) | Elevator control cabinet with semiconductor refrigeration cooling system | |
| CN213717413U (en) | Host heat dissipation mechanism of automatic monitoring system | |
| CN208156573U (en) | A kind of computer cabinet with high-efficient radiating function | |
| CN110932380A (en) | Power supply monitoring system | |
| CN113054573B (en) | Intelligent electric power cabinet | |
| CN211352690U (en) | Anti-condensation explosion-proof and intrinsically safe control box for mine | |
| KR101264035B1 (en) | Remote monitoring equipment for electrical power receiving and distribution panel having controlled cleanliness | |
| CN217009984U (en) | Switch board with heat dissipation dehumidification function | |
| CN218603863U (en) | Lithium battery control panel with high-temperature early warning function | |
| CN211088848U (en) | Intelligent monitoring prefabricated substation ventilation and heat dissipation system | |
| CN216289605U (en) | Power distribution cabinet | |
| CN212623672U (en) | Servo driver with self-checking prediction fault | |
| CN219980840U (en) | Intelligent gateway for Internet of things | |
| CN219999895U (en) | High-frequency switch power supply high-temperature early warning device | |
| CN214280672U (en) | Intelligent box-type substation | |
| CN220441127U (en) | Electric control device convenient for heat dissipation | |
| CN109412254B (en) | Marine uninterrupted power source system applied to high-temperature environment | |
| KR100800181B1 (en) | Emergency cooling system in an outdoor box for communication equipment | |
| CN218634637U (en) | Network security monitoring device based on situation awareness | |
| CN212433911U (en) | Electrical fire monitoring and managing device based on Internet of things | |
| CN213878901U (en) | Miniature intelligent dehydrating unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |