CN108541186B - Intelligent cooling system - Google Patents
Intelligent cooling system Download PDFInfo
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- CN108541186B CN108541186B CN201810242101.8A CN201810242101A CN108541186B CN 108541186 B CN108541186 B CN 108541186B CN 201810242101 A CN201810242101 A CN 201810242101A CN 108541186 B CN108541186 B CN 108541186B
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- temperature
- cabin
- controller
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- monitoring
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- 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
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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- 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
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an intelligent cooling system, which is used for heat dissipation of communication equipment in a base station and comprises a controller, a temperature sensing device in communication connection with the controller, a fan and an air conditioner, wherein the fan and the air conditioner are electrically connected with the controller; the temperature sensing device senses the temperature in the cabinet and transmits the temperature information to the controller, the controller receives the temperature information, when the temperature is higher than a first temperature, the controller controls the fan to start so as to reduce the temperature in the cabinet, when the temperature is higher than a second temperature, the controller controls the air conditioner to start so as to quickly reduce the temperature in the cabinet, and the second temperature is higher than the first temperature. The intelligent control is adopted, so that different cooling equipment can be controlled to cool according to the temperature condition in the cabinet, and the electric energy is saved; the distributed control is adopted, the temperature of each cabin of the cabinet can be independently regulated, the pertinence is strong, and the temperature can be better controlled.
Description
Technical Field
The invention relates to the technical field of base station temperature regulation and control, in particular to an intelligent cooling system.
Background
Because the influence of factors such as geothermol power, illumination often can lead to the inside high temperature of rack, in order to guarantee that the inside communication equipment of rack can normal operating, need control the inside temperature of rack. In the prior art, the interior of a cabinet is usually cooled through continuous work of an air conditioner, the temperature regulation and control mode is single, the energy consumption of the air conditioner is large, and a cabinet shell usually adopts a heat insulation steel plate, so that heat exchange cannot be formed between air inside and air outside the cabinet, so that the air conditioner is usually in a working state, and the electric energy consumption is large; moreover, the state of the air conditioner cannot be automatically controlled according to the temperature inside and outside the cabinet, and the air conditioner is usually in a working state for 24 hours, so that the waste of electric energy is caused, and the consumption cost is high. In addition, the cabinet is usually provided with a plurality of bays, and in the prior art, no cooling device is arranged in each bay, so that the temperature of the bay cannot be controlled according to the temperature condition of each bay, but the temperature of the whole cabinet is directly controlled, and further the waste of electric energy is caused.
Therefore, it is urgently needed to provide an intelligent cooling system, which can control different cooling devices to cool according to the temperature condition inside the cabinet, so as to save electric energy; the distributed control is adopted, the temperature of each cabin of the cabinet can be independently regulated, the pertinence is strong, and the temperature can be better controlled.
Disclosure of Invention
The invention aims to provide an intelligent cooling system which can control different cooling devices to cool according to the temperature condition in a cabinet, so that electric energy is saved; the distributed control is adopted, the temperature of each cabin of the cabinet can be independently regulated, the pertinence is strong, and the temperature can be better controlled.
In order to achieve the above object, the present invention provides an intelligent cooling system for heat dissipation of communication equipment in a base station, comprising a controller, a temperature sensing device in communication connection with the controller, and a fan and an air conditioner electrically connected with the controller; the temperature sensing device senses the temperature in the cabinet and transmits temperature information to the controller, the controller receives the temperature information, when the temperature is higher than a first temperature, the controller controls the fan to be started to reduce the temperature in the cabinet, when the temperature is higher than a second temperature, the controller controls the air conditioner to be started to quickly reduce the temperature in the cabinet, and the second temperature is higher than the first temperature.
Preferably, the cabinet is provided with a plurality of bays, each of the bays is provided with the temperature sensing device, the fan and the air conditioner, and the controller is arranged in any one of the bays.
Preferably, the plurality of cabin spaces are respectively a monitoring cabin for placing monitoring equipment, a battery cabin for placing emergency batteries and an equipment cabin for placing communication equipment, the monitoring cabin, the battery cabin and the equipment cabin are all provided with the temperature sensing device, the fan and the air conditioner, and the controller is arranged in the monitoring cabin; therefore, the temperature in the monitoring, battery compartment and equipment compartment can be independently controlled.
Preferably, the temperature sensing devices are respectively arranged in the monitoring cabin, the battery cabin and the equipment cabin, the air conditioners are respectively arranged on the outer sides of front doors of the monitoring cabin, the battery cabin and the equipment cabin, and the fans are respectively arranged on the inner sides of the tops of the monitoring cabin, the battery cabin and the equipment cabin; the air conditioner is arranged on the outer side of the front door, so that the internal spaces of the monitoring cabin, the battery cabin and the equipment cabin are saved, and the size of the cabinet is reduced.
Preferably, the communication mode between the temperature sensing device and the controller is wired communication.
Preferably, the outer shell of the cabinet is of a layered structure, the outer shell is of a five-layer structure and comprises two metal layers arranged on two sides, two heat insulation layers arranged on the inner sides of the two metal layers and an air layer arranged between the two heat insulation layers, the outer shell is provided with a vent hole, and air in the air layer is exhausted through the vent hole after being heated and expanded; therefore, partial heat is taken away, and a certain heat insulation effect is achieved.
Preferably, the heat insulation layer is heat insulation cotton.
Preferably, the bottom of the cabinet and the front door are provided with heat dissipation holes.
Preferably, the monitoring system further comprises a plurality of humidity sensors in communication connection with the controller, the plurality of humidity sensors are respectively arranged on the inner sides of the upper covers of the monitoring cabin, the battery cabin and the equipment cabin, and the humidity sensors respectively sense the humidity in the monitoring cabin, the battery cabin and the equipment cabin and transmit humidity information to the controller; therefore, the humidity of each cabin is monitored in real time, and corresponding processing is carried out to ensure the normal operation of equipment.
Preferably, the water immersion device further comprises a plurality of water immersion sensors in communication connection with the controller, the plurality of water immersion sensors are respectively arranged on the inner sides of the bottom plates of the monitoring cabin, the battery cabin and the equipment cabin, and the water immersion sensors respectively sense whether water exists in the monitoring cabin, the battery cabin and the equipment cabin and transmit related information to the controller.
Compared with the prior art, the intelligent cooling system can adopt two different cooling devices, namely the fan and the air conditioner, to cool the cabinet according to the temperature condition in the cabinet, when the temperature is higher than a first temperature, the fan is controlled to be started to cool the cabinet, and when the temperature is higher than a second temperature, the air conditioner is controlled to be started to quickly reduce the temperature in the cabinet, so that the air conditioner is prevented from being started under the unnecessary condition and wasting electric energy; the control is more intelligent, and the electric energy is saved; in addition, distributed control is adopted, the temperature of each cabin of the cabinet can be independently regulated, the pertinence is strong, and the temperature can be better controlled.
Drawings
Fig. 1 is a block diagram of an intelligent cooling system according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an intelligent cooling system according to an embodiment of the present invention.
Fig. 3 is a schematic view of another angle of fig. 2.
Fig. 4 is a schematic structural view of the outer case of fig. 2.
Fig. 5 is a schematic view of the front door of fig. 2 when an air conditioner is installed.
Fig. 6 is a schematic view of the upper cover of fig. 2.
Fig. 7 is a schematic view of the side plate of fig. 2.
Fig. 8 is a schematic view of the back plate of fig. 2.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", and the like, which refer to orientations or positional relationships based on those shown in the drawings, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the scope of the present invention.
Referring to fig. 1 to 8, the present invention provides an intelligent cooling system 100 for heat dissipation of communication equipment in a base station, including a controller 1, a temperature sensing device 2 in communication connection with the controller 1, and a fan 3 and an air conditioner 4 electrically connected to the controller 1; the temperature sensing device 2 senses the temperature in the cabinet 9 and transmits the temperature information to the controller 1, the controller 1 receives the temperature information, when the temperature is higher than a first temperature, the controller 1 controls the fan 3 to start to reduce the temperature in the cabinet 9, and when the temperature is higher than a second temperature, the controller 1 controls the air conditioner 4 to start to reduce the temperature in the cabinet 9, wherein the second temperature is higher than the first temperature. In the present embodiment, the temperature sensing device 2 is a temperature sensor, and the temperature sensor 2 is disposed inside the upper cover 98 of the cabinet 9, but not limited thereto.
In this embodiment, the first temperature is set to 45 ℃, the second temperature is set to 60 ℃, and the specific implementation can be adjusted according to the actual situation; in the present embodiment, when the temperature reaches the second temperature, the fan 3 and the air conditioner 4 work together to achieve rapid cooling of the cabinet 9, but it should not be limited thereto.
Referring to fig. 2 and 3, specifically, the cabinet 9 is provided with a plurality of bays, each of the bays is provided with a temperature sensing device 2, a fan 3 and an air conditioner 4, and the controller 1 is arranged in any one of the bays; thereby, the temperature in each cabin of the cabinet 9 is independently controlled, that is, the controller 1 can control whether the fan 3 and the air conditioner 4 arranged in the corresponding cabin are started or not according to the temperature measured by the temperature sensing device 2 of each cabin.
Specifically, the plurality of bays are respectively a monitoring cabin 91 for placing monitoring equipment, a battery cabin 92 for placing emergency batteries (not shown) arranged at two sides of the monitoring cabin 91, and an equipment cabin 93 for placing communication equipment, wherein the emergency batteries are used for providing emergency power when the communication equipment is powered off, and the monitoring cabin 91 is also internally provided with a battery 911; the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 are all provided with the temperature sensing device 2, the fan 3 and the air conditioner 4, so that the temperature in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 can be independently controlled, for example, when the temperature in the equipment cabin 93 exceeds a first temperature and the temperatures of the monitoring cabin 91 and the battery cabin 92 are lower than the first temperature, the controller 1 only controls the fan 3 installed in the equipment cabin 93 to start, and the fan 3 and the air conditioner 4 of the monitoring cabin 91 and the battery cabin 92 are all kept in a closed state; when the temperature in the equipment compartment 93 exceeds the second temperature, the temperature in the monitoring compartment 91 exceeds the first temperature, and the temperature in the battery compartment 92 is lower than the first temperature, the controller 1 controls the fan 3 and the air conditioner 4 installed in the equipment compartment 93 to be started, controls the fan 3 installed in the monitoring compartment 91 to be started, and keeps the fan 3 and the air conditioner 4 of the battery compartment 92 in a closed state, so that the electric energy is saved.
In the embodiment, the controller 1 is disposed in the monitoring cabin 91, and the controller 1 may be disposed in another cabin, so that the disclosure should not be limited thereto.
More specifically, the temperature sensing devices 2 are respectively arranged in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93, the air conditioner 4 is respectively arranged on the outer sides of the front doors 94 of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93, and the fan 3 is respectively arranged on the inner sides of the tops of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93; by installing the air conditioner 4 outside the front door 94, the internal spaces of the monitor compartment 91, the battery compartment 92, and the equipment compartment 93 are saved, thereby reducing the volume of the cabinet 9.
Specifically, the controller 1 uses an STC15F2K60S2 chip, but should not be limited thereto. The controller 1 adopts dual-core processing, a power supply adopts a DC/DC module, and the measurement channel/power supply/communication interface is electrically isolated, so that the device has extremely high reliability and has self-processing and self-correcting functions; the RS485/RS232 communication mode is supported, and the requirements of various system networking modes can be met. In the present embodiment, the temperature sensing device 2 and the controller 1 are connected by wired communication, but not limited thereto, and may also be connected by wireless; in the present embodiment, the temperature sensing device 2 is connected to the controller 1 through a dupont line (not shown), but should not be limited thereto.
Referring to fig. 3 to 8, specifically, the outer casing of the cabinet 9 includes a front door 94 disposed at the front portion, two side plates 95 disposed at the left and right sides, a rear plate 96 disposed opposite to the front door 94, a bottom plate 97 disposed at the bottom, and an upper cover 98 disposed at the top, the front door 94, the two side plates 95, the rear plate 96, the bottom plate 97, and the upper cover 98 of the cabinet 9 all adopt a layered structure and have five layers, including two metal layers 941 disposed at both sides, two thermal insulation layers 942 disposed at the inner sides of the two metal layers 941, and an air layer 943 disposed between the two thermal insulation layers 942, the outer casing is provided with a vent hole 944, and air in the air layer 943 is exhausted through the vent hole 944 after being heated; therefore, partial heat is taken away, and a certain heat insulation effect is achieved.
Specifically, in the present embodiment, the heat insulating layer 942 is made of heat insulating cotton, but this is not limitative, and the heat insulating layer 942 made of another material may be used in the specific implementation. More specifically, the bottom plate 97 and the front door 94 of the cabinet 9 are provided with heat dissipation holes 99.
Referring to fig. 1 to 3, the intelligent cooling system 100 further includes a plurality of door access sensors 5 in communication connection with the controller 1, the door access sensors 5 are respectively disposed at one side of the front doors 94 of the monitoring cabin 91, the battery cabin 92, and the equipment cabin 93, the door access sensors 5 sense door opening request information and transmit the door opening request information to the controller 1, and the controller 1 controls whether the front doors 94 of the corresponding cabin are opened according to the door opening request information.
Preferably, the intelligent cooling system 100 further includes a plurality of humidity sensors 6 in communication connection with the controller 1, the plurality of humidity sensors 6 are respectively disposed on the inner sides of the upper covers 98 of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93, the humidity sensors 6 respectively sense the humidity in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93, and transmit the humidity information to the controller 1; therefore, the humidity of each cabin is monitored in real time, and corresponding processing is carried out to ensure the normal operation of equipment.
Preferably, the intelligent cooling system 100 further comprises a plurality of smoke sensors 7 in communication connection with the controller 1, the smoke sensors 7 are respectively arranged on the inner sides of the monitoring cabin 91, the battery cabin 92 and the upper cover 98 of the equipment cabin 93, and the smoke sensors 7 respectively sense whether smoke information exists in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 and transmit the smoke information to the controller 1; therefore, the condition of each cabin is monitored in real time, and corresponding processing is carried out so as to ensure the normal operation of equipment.
Preferably, the intelligent cooling system 100 further comprises a plurality of water sensors 8 in communication connection with the controller 1, the plurality of water sensors 8 are respectively arranged on the inner sides of the monitoring cabin 91, the battery cabin 92 and the bottom plate 97 of the equipment cabin 93, and the water sensors 8 respectively sense whether water exists in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 and transmit related information to the controller 1; therefore, the condition of each cabin is monitored in real time, and corresponding processing is carried out so as to ensure the normal operation of equipment.
The working process of the intelligent cooling system 100 of the invention is as follows:
the temperature sensing device 2 senses the temperatures of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 in real time and transmits the temperature information of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 to the controller 1;
the controller 1 receives the temperature information and analyzes and processes the temperature information, and when the temperature of the monitoring cabin 91 is higher than a first temperature, the controller 1 controls the fan 3 of the monitoring cabin 91 to start; when the temperature of the battery compartment 92 is higher than the first temperature, the controller 1 controls the fan 3 of the battery compartment 92 to start; when the temperature of the equipment compartment 93 is higher than the first temperature, the controller 1 controls the fan 3 of the equipment compartment 93 to start;
the temperature sensing device 2 continues to sense the temperatures of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 and transmits the temperature information of the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 to the controller 1;
the controller 1 receives the temperature information and analyzes and processes the temperature information, and when the temperature of the monitoring cabin 91 is higher than a second temperature, the controller 1 controls the air conditioner 4 of the monitoring cabin 91 to start; when the temperature of the battery compartment 92 is greater than the second temperature, the controller 1 controls the air conditioner 4 of the battery compartment 92 to start; when the temperature of the equipment compartment 93 is greater than the second temperature, the controller 1 controls the air conditioner 4 of the equipment compartment 93 to be started.
The operation principle of the intelligent cooling system 100 will be described below by taking an embodiment of the present invention as an example.
The temperature sensing devices 2 sense the temperatures in the monitoring cabin 91, the battery cabin 92 and the equipment cabin 93 in real time respectively, and transmit sensed temperature information to the controller 1, when the temperature received by the controller 1 is higher than a first temperature, the fan 3 of the corresponding cabin is controlled to start, when the temperature continues to rise and is higher than a second temperature, the controller 1 controls the air conditioner 4 of the corresponding cabin to start, and at the moment, the air conditioner 4 and the fan 3 work simultaneously, so that the temperature in the corresponding cabin is reduced rapidly; when the temperature is lower than the second temperature and higher than the first temperature, the controller 1 controls the air conditioner 4 of the corresponding cabin to be closed, the fan 3 continues to work, and when the temperature is lower than the first temperature, the controller 1 controls the fan 3 of the corresponding cabin to be closed.
Compared with the prior art, the intelligent cooling system 100 can adopt two different cooling devices, namely the fan 3 and the air conditioner 4, to cool the cabinet 9 according to the temperature condition in the cabinet 9, when the temperature is higher than a first temperature, the fan 3 is controlled to be started to cool the cabinet 9, and when the temperature is higher than a second temperature, the air conditioner 4 is controlled to be started to quickly reduce the temperature in the cabinet 9, so that the air conditioner 4 is prevented from being started under the unnecessary condition and wasting electric energy; the control is more intelligent, and the electric energy is saved; in addition, distributed control is adopted, the temperature of each cabin of the cabinet 9 can be independently regulated, the pertinence is strong, and the electric energy can be further saved by better controlling the temperature.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (9)
1. An intelligent cooling system is used for heat dissipation of communication equipment in a base station and is characterized by comprising a controller, a plurality of temperature sensing devices in communication connection with the controller, a plurality of fans and an air conditioner, wherein the fans and the air conditioner are electrically connected with the controller; the controller is arranged in any one of a plurality of cabins of the cabinet, the plurality of cabins are provided with the temperature sensing devices, the fan and the air conditioner, the temperature sensing devices sense the temperature in the cabins where the temperature sensing devices are located and transmit the temperature information to the controller, the controller receives the temperature information, when the temperature is higher than a first temperature, the controller controls the fan of the cabin to be started so as to reduce the temperature in the cabinet, when the temperature is higher than a second temperature, the controller controls the air conditioner of the cabin to be started so as to quickly reduce the temperature in the cabinet, and the second temperature is higher than the first temperature.
2. The intelligent cooling system according to claim 1, wherein the plurality of bays are respectively a monitoring cabin for placing monitoring equipment, a battery cabin for placing emergency batteries and an equipment cabin for placing communication equipment, the monitoring cabin, the battery cabin and the equipment cabin are provided with the temperature sensing device, the fan and the air conditioner, and the controller is arranged in the monitoring cabin.
3. The intelligent cooling system according to claim 2, wherein the temperature sensing devices are respectively disposed in the monitoring cabin, the battery cabin and the equipment cabin, the air conditioners are respectively disposed outside front doors of the monitoring cabin, the battery cabin and the equipment cabin, and the fans are respectively disposed inside tops of the monitoring cabin, the battery cabin and the equipment cabin.
4. The intelligent cooling system according to claim 1, wherein the temperature sensing device communicates with the controller in a wired communication manner.
5. The intelligent cooling system according to claim 1, wherein the outer casing of the cabinet has a layered structure, the outer casing has a five-layered structure, and includes two metal layers disposed on two sides, two heat insulating layers disposed inside the two metal layers, and an air layer disposed between the two heat insulating layers, the outer casing has a vent hole, and air in the air layer is expanded by heat and then discharged through the vent hole.
6. The intelligent cooling system of claim 5, wherein the thermal insulation layer is thermal insulation cotton.
7. The intelligent cooling system according to claim 1, wherein the bottom and the front door of the cabinet are provided with heat dissipation holes.
8. The intelligent cooling system according to claim 2, further comprising a plurality of humidity sensors in communication connection with the controller, wherein the plurality of humidity sensors are respectively disposed inside the upper covers of the monitoring cabin, the battery cabin and the equipment cabin, and the humidity sensors respectively sense humidity inside the monitoring cabin, the battery cabin and the equipment cabin and transmit humidity information to the controller.
9. The intelligent cooling system according to claim 2, further comprising a plurality of water sensors in communication connection with the controller, wherein the plurality of water sensors are respectively disposed inside the bottom plates of the monitoring compartment, the battery compartment and the equipment compartment, and the water sensors respectively sense whether water is in the monitoring compartment, the battery compartment and the equipment compartment and transmit related information to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242101.8A CN108541186B (en) | 2018-03-22 | 2018-03-22 | Intelligent cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810242101.8A CN108541186B (en) | 2018-03-22 | 2018-03-22 | Intelligent cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN108541186A CN108541186A (en) | 2018-09-14 |
| CN108541186B true CN108541186B (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810242101.8A Expired - Fee Related CN108541186B (en) | 2018-03-22 | 2018-03-22 | Intelligent cooling system |
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| CN (1) | CN108541186B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110996611B (en) * | 2019-11-18 | 2021-11-16 | 北京信通能创科技有限公司 | Control method of irregular heat rack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203632820U (en) * | 2013-12-16 | 2014-06-04 | 上海亨通宏普通信技术有限公司 | Assembled outdoor communication cabinet used for 4G LTE base station |
| EP2925106A1 (en) * | 2014-03-27 | 2015-09-30 | ABB Technology AG | A standalone modular structure suitable for containing power electronic devices and other electric devices |
| CN204145939U (en) * | 2014-10-20 | 2015-02-04 | 河北阳天通信科技有限公司 | A kind of without ventilated type outdoor cabinet |
| CN204961045U (en) * | 2015-09-16 | 2016-01-13 | 无锡红湖消声器有限公司 | Catalyst converter with novel heat exchanger that separates |
| CN205750592U (en) * | 2015-12-23 | 2016-11-30 | 国网山西电力设计研究院 | The humiture automatic regulating system of power equipment prefabricated cabin |
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