CN113256940A - High-temperature early warning device and early warning cooling method for power equipment - Google Patents
High-temperature early warning device and early warning cooling method for power equipment Download PDFInfo
- Publication number
- CN113256940A CN113256940A CN202110350982.7A CN202110350982A CN113256940A CN 113256940 A CN113256940 A CN 113256940A CN 202110350982 A CN202110350982 A CN 202110350982A CN 113256940 A CN113256940 A CN 113256940A
- Authority
- CN
- China
- Prior art keywords
- hole
- fixed
- power equipment
- early warning
- shell
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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
Abstract
The invention relates to the field of power equipment, in particular to a high-temperature early warning device of the power equipment. The air duct type air conditioner comprises a housing, a temperature sensor and a controller are fixed to the lower end of a housing top plate, an alarm is fixed to the upper end of the housing, a rectangular air duct is fixed to the inner side of the right side wall of the housing, a fan communicated with the air duct is fixed to the right side wall of the housing, vertical long grooves are formed in the front side wall and the rear side wall of the air duct, a plurality of baffles are arranged in the long grooves in a sliding mode, a rectangular hole is formed in the left side wall of the housing, a fixing plate is fixed in the rectangular hole, a plurality of through holes are formed in the fixing plate, a movable plate is arranged in the rectangular hole on the right side of the fixing plate in a sliding mode, the movable plate is in sliding sealing contact with the fixing plate, an air hole is formed in the fixing plate on one side of the through holes, the air hole and the through holes are provided with a coincidence portion, an electric telescopic cylinder is fixed to the left side wall of the housing above the rectangular hole, and the telescopic rod of the electric telescopic cylinder is fixedly connected with the upper end of the movable plate. According to the invention, when the power equipment is at a high temperature, the alarm can be given out while the power equipment is effectively and rapidly cooled, and the power equipment can be effectively protected in time.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a high-temperature early warning device of the power equipment.
Background
The power equipment mainly comprises power generation equipment and power supply equipment, wherein the power generation equipment mainly comprises a power station boiler, a steam turbine, a gas turbine, a water turbine, a generator, a transformer and the like, and the power supply equipment mainly comprises power transmission lines, mutual inductors, contactors and the like with various voltage grades.
Power equipment generally all can install at the power equipment incasement, power equipment can produce certain heat at the during operation, current power equipment case generally all can be provided with high temperature early warning device and indicate people need cool down to it, so as not to power equipment takes place to damage because of the high temperature, and current power equipment case only has the function of early warning, can not cool down to in the box in the early warning, probably because people's carelessness has not in time heard or seen the time that the warning delayed the cooling, make power equipment still take place to damage because of the high temperature.
Patent document with publication number CN209344591U discloses a high-temperature early warning device for electrical equipment, relating to the technical field of electrical equipment, and comprising a box body, wherein the upper surface of the inner wall of the box body is fixedly connected with a temperature sensor, an information collector and an information processor from left to right in sequence. The high-temperature early warning device of the power equipment can detect the temperature in the box body constantly through the mutual matching of the temperature sensor, the information processor, the information collector and the driving device, the temperature sensor can collect the sensed temperature and the measured value into the information collector, the information collector transmits the collected information to the information processor, and after the information processor analyzes the information, if the temperature in the box body is overhigh, the information processor can enable the switch to control the warning lamp, the buzzer and the motor to work simultaneously, can firstly radiate heat and cool the box body at the same time of early warning, even if people cannot hear or see the warning in time due to negligence, the temperature in the box body can be firstly reduced, the high-temperature early warning equipment has a common heat dissipation effect, and the fan does not radiate the power equipment in a targeted manner, so that the heat cannot be dissipated well in time.
The patent document with the publication number of CN212137061U discloses a high-temperature early warning device for power equipment, which comprises a cabinet body, the cabinet body is provided with a control device, the lateral wall of the cabinet body is provided with a plurality of heat dissipation holes, the inner bottom of the cabinet body is provided with a water tank, the inner bottom of the water tank is provided with a fixedly connected with water pump, the upper end of the water tank is provided with a plurality of through holes, the upper end of the water tank is provided with a driving mechanism, the lower end of the driving mechanism penetrates through the lateral wall of the water tank and extends to the inside of the water tank, the upper end of the water tank is fixedly connected with a sealing plate, the lateral wall of the sealing plate is fixedly connected with the inner lateral wall of the cabinet body, the lateral wall of the cabinet body is fixedly connected with two groups of heat conduction columns, and the lower ends of the heat conduction columns are connected with a heat conduction mechanism. The high-temperature early warning device can improve the contact area between the heat-conducting column and the flow guide pipe, can improve the heat dissipation efficiency of the cooling liquid in the water tank, and indirectly improves the heat dissipation efficiency of the whole device.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-temperature early warning device and an early warning cooling method for power equipment, wherein the early warning device is simple in structure and convenient to use, and when the power equipment is at a high temperature, the early warning cooling method using the early warning device can effectively and quickly cool the power equipment while giving an alarm, so that the power equipment can be effectively protected in time.
In order to achieve the purpose, the invention provides the technical scheme that:
a high-temperature early warning device of power equipment comprises a shell, wherein a temperature sensor and a controller are fixed at the lower end of a top plate of the shell, an alarm is fixed at the upper end of the shell, a rectangular air duct is fixed on the inner side of the right side wall of the shell, a fan communicated with the air duct is fixed on the right side wall of the shell, vertical long grooves are formed in the front side wall and the rear side wall of the air duct, a plurality of baffles are arranged in the long grooves in a sliding manner, a rectangular hole is formed in the left side wall of the shell, a fixing plate is fixed in the rectangular hole, a plurality of through holes are formed in the fixing plate, a movable plate is arranged in the rectangular hole on the right side of the fixing plate in a sliding manner and in sealing contact with the fixing plate, an air hole is formed in the fixing plate on one side of the through holes, an overlapped part is formed between the air hole and the through hole, an electric telescopic cylinder is embedded and fixed in the left side wall of the shell above the rectangular hole, a telescopic rod of the electric telescopic cylinder is fixedly connected with the upper end of the movable plate, and the fan and the temperature sensor, The controller, the alarm and the electric telescopic cylinder are electrically connected.
Specifically, the lower end of the shell is fixed with a support leg.
Specifically, a handle rod is fixed at the left end of the baffle.
Specifically, vertical chutes are formed in the front side wall and the rear side wall of the rectangular hole in the right side of the fixed plate, and the movable plate is connected in the chutes in a sliding and clamping mode.
Specifically, a filter screen is fixed in the through hole.
Specifically, the baffle plate is provided with a conical hole, one port of the conical hole corresponds to the fan for the air inlet, the other port of the conical hole corresponds to the power equipment for the air outlet, and the diameter of the air outlet is smaller than that of the air inlet.
Specifically, the initial state of the electric telescopic cylinder is in an extending state.
The early warning and cooling method using the high-temperature early warning device of the power equipment comprises the following steps:
s1, pushing the handle bar according to the installation position of the electric equipment to adjust the position of the baffle plate, so that the gap between the adjacent baffle plates directly corresponds to the electric equipment;
s2, starting the fan, starting the alarm when the temperature in the shell reaches the set temperature T of the temperature sensor, and controlling the fan to increase the rotating speed by the controller;
s3, the controller sends a command for starting the electric telescopic cylinder, the electric telescopic cylinder is started to enable a telescopic rod of the electric telescopic cylinder to contract, and the telescopic rod of the electric telescopic cylinder is contracted to drive the movable plate to move upwards, so that the area of a superposed part of the through hole and the air hole is increased;
s4, when the temperature in the shell is reduced, the controller controls the rotating speed of the fan to return to the normal state and intermittently starts;
s5, the telescopic rod of the electric telescopic cylinder is restored to the initial state, the area of the overlapped part of the through hole and the air hole is reduced, and the dust entering the shell can be prevented after the area of the overlapped part of the through hole and the air hole is reduced.
In the power equipment cooling technical field, adopt liquid cooling or the cooling mode of fan direct air supply more, following problem can appear when using in current liquid early warning heat sink: the existing device is contacted with the heat conduction support through the water guide pipe, so that the equipment placed on the heat conduction support is cooled and radiated, but the contact area of the water guide pipe and the heat conduction support is small, so that the radiating efficiency is low, and meanwhile, the water in the water tank is only radiated by the radiating fins, so that the radiating efficiency of the water in the water tank is low, and the normal radiating of the device is influenced; the problem of the direct air supply mode of the fan is as follows: the amount of wind is more scattered, can not concentrate and correspond power equipment and blow for rate of heat dissipation is not good with the effect, and lack corresponding high temperature early warning function, but current high temperature early warning equipment is relatively poor, and difficult the great area of difference in temperature round the clock uses, has caused the practicality relatively poor, can't satisfy current market needs.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the air duct fan is arranged on the inner wall of the box body, the front side wall and the rear side wall of the air duct are respectively provided with the vertical long groove, the plurality of baffles are arranged in the long grooves in a sliding manner, and the air outlet can be accurately corresponding to the power equipment by adjusting the position of the baffle according to the gap between the position adjusting baffles of the power equipment, so that the air outlet position is controlled, cold air can be directly acted on the power equipment, the cooling efficiency is improved. In addition, the early warning cooling method can adjust the cooling mode in time aiming at the areas with large day and night temperature difference.
Drawings
Fig. 1 is a schematic structural diagram of the warning device of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a side view of the air duct.
The device comprises a shell 1, a temperature sensor, a controller 3, an alarm 4, an air duct 5, a fan 6, an elongated slot 7, a baffle 8, a rod 9, a rectangular hole 10, a fixing plate 11, a through hole 12, a filter screen 13, a movable plate 14, an air hole 15, an electric telescopic cylinder 16, supporting legs 17 and a sliding chute 18.
Detailed Description
As shown in fig. 1-3, a high temperature early warning device for power equipment comprises a housing 1, wherein a support leg 17 is fixed at the lower end of the housing 1, a temperature sensor 2 and a controller 3 are fixed at the lower end of a top plate of the housing 1, an alarm 4 is fixed at the upper end of the housing 1, a rectangular air duct 5 is fixed at the inner side of a right side wall of the housing 1, a fan 6 communicated with the air duct 5 is fixed at the right side wall of the housing 1, vertical long grooves 7 are respectively arranged at the front and rear side walls of the air duct 5, a plurality of baffles 8 are slidably arranged in the long grooves 7, a handle bar 9 is fixed at the left end of each baffle 8, a rectangular hole 10 is arranged at the left side wall of the housing 1, a fixing plate 11 is fixed in the rectangular hole 10, a plurality of through holes 12 are arranged on the fixing plate 11, a filter screen 13 is fixed in each through hole 12, a movable plate 14 is slidably arranged in the rectangular hole 10 at the right side of the fixing plate 11, and the movable plate 14 is in sliding sealing contact with the fixing plate 11, vertical spout 18 has all been seted up on the lateral wall around the rectangular hole 10 on fixed plate 11 right side, and portable plate 14 slip joint has seted up wind hole 15 on the fixed plate 11 of through-hole 12 one side in spout 18, and wind hole 15 has coincidence portion with through-hole 12, inlays in the 1 left side wall of casing above rectangular hole 10 and is fixed with electronic telescoping cylinder 16, electronic telescoping cylinder 16's initial condition be in the state of stretching out, electronic telescoping cylinder 16's telescopic link and portable plate 14 upper end fixed connection, fan 6, temperature sensor 2, controller 3, alarm 4 and electronic telescoping cylinder 16 electric connection.
The early warning and cooling method using the high-temperature early warning device of the power equipment comprises the following steps:
s1, pushing the handle bar according to the installation position of the electric equipment to adjust the position of the baffle plate, so that the gap between the adjacent baffle plates directly corresponds to the electric equipment;
s2, starting the fan, starting the alarm when the temperature in the shell reaches the set temperature T of the temperature sensor, and controlling the fan to increase the rotating speed by the controller;
s3, the controller sends a command for starting the electric telescopic cylinder, the electric telescopic cylinder is started to enable a telescopic rod of the electric telescopic cylinder to contract, and the telescopic rod of the electric telescopic cylinder is contracted to drive the movable plate to move upwards, so that the area of a superposed part of the through hole and the air hole is increased;
s4, when the temperature in the shell is reduced, the controller controls the rotating speed of the fan to return to the normal state and intermittently starts;
s5, the telescopic rod of the electric telescopic cylinder is restored to the initial state, the area of the overlapped part of the through hole and the air hole is reduced, and the dust entering the shell can be prevented after the area of the overlapped part of the through hole and the air hole is reduced.
When the high-temperature early warning device provided by the invention is used, the position of the baffle 8 is adjusted according to the installation position of the power equipment, specifically, the baffle 8 is stirred by the lever 9, so that the baffle 8 cannot fall downwards, in the production process, when the friction force between the baffle 8 and the elongated slot 7 is greater than the gravity of the baffle 8 and the lever 9, or the baffle 8 is fixed after the positions are adjusted by arranging limiting blocks at two sides of the lever 9, the adjustment enables the gap between the baffles 8 to directly correspond to the power equipment, and after the fan 6 is started, cold air can be directly blown to the power equipment, so that the directivity is realized, and the heat dissipation efficiency of the power equipment is improved. When the temperature in the shell 1 reaches the set temperature of the temperature sensor 2, the alarm 4 is started, the controller 3 increases the rotating speed of the fan 6, the controller 3 starts the electric telescopic cylinder 16, the telescopic rod of the electric telescopic cylinder 16 contracts, and the movable plate 14 is driven to move upwards in the process of contraction of the telescopic rod, so that the area of the superposition part of the through hole 12 and the air hole 15 is increased, the air outlet amount is further ensured, and the power equipment is timely and effectively cooled.
After the temperature in the casing 1 reduces, controller 3 makes the rotational speed of fan 6 resume to conventional state and intermittent type start, and fan 6 carries out conventional cooling to the power equipment in the casing 1 this moment, and simultaneously, the telescopic link of electronic telescoping cylinder 16 restores, and the coincidence area of through-hole 12 and wind hole 15 reduces, can prevent to enter into the dust volume in the casing 1 after the coincidence area of through-hole 12 and wind hole 15 reduces.
Example 2
The difference between this embodiment and embodiment 1 lies in that a tapered hole is formed in any of the baffles 8, one port of the tapered hole corresponds to the blower 6 for the air inlet, the other port corresponds to the power equipment for the air outlet, and the diameter of the air outlet is smaller than that of the air inlet. The advantage of this kind of setting can have the directive property with cold wind gathering, and the cooling effect is better, is similar to the hair-dryer air outlet.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A high-temperature early warning device of power equipment comprises a shell (1) and is characterized in that a temperature sensor (2) and a controller (3) are fixed at the lower end of a top plate of the shell (1), an alarm (4) is fixed at the upper end of the shell (1), a rectangular air duct (5) is fixed on the inner side of the right side wall of the shell (1), a fan (6) communicated with the air duct (5) is fixed on the right side wall of the shell (1), vertical long grooves (7) are formed in the front and rear side walls of the air duct (5), a plurality of baffles (8) are arranged in the long grooves (7) in a sliding manner, a rectangular hole (10) is formed in the left side wall of the shell (1), a fixed plate (11) is fixed in the rectangular hole (10), a plurality of through holes (12) are formed in the fixed plate (11), a movable plate (14) is arranged in the rectangular hole (10) on the right side of the fixed plate (11) in a sliding manner, and the movable plate (14) is in sliding sealing contact with the fixed plate (11), the air hole (15) is formed in the fixing plate on one side of the through hole (12), the air hole (15) and the through hole (12) are provided with a coincidence part, the electric telescopic cylinder (16) is embedded and fixed in the left side wall of the shell above the rectangular hole (10), the telescopic rod of the electric telescopic cylinder (16) is fixedly connected with the upper end of the movable plate (14), and the fan (6), the temperature sensor (2), the controller (3), the alarm (4) and the electric telescopic cylinder (16) are electrically connected.
2. A high temperature early warning device of electric power equipment according to claim 1, characterized in that a leg (17) is fixed to the lower end of the housing (1).
3. The high temperature early warning device of the power equipment according to claim 1, characterized in that a rod (9) is fixed at the left end of each baffle (8).
4. The high-temperature early warning device of the power equipment as claimed in claim 1, wherein the front and rear side walls of the rectangular hole (10) on the right side of the fixed plate (11) are respectively provided with a vertical sliding groove (18), and the movable plate (14) is slidably clamped in the sliding grooves (18).
5. The high temperature early warning device of the power equipment according to claim 1, wherein a filter screen (13) is fixed in the through hole (12).
6. The high-temperature early warning device of the power equipment as claimed in claim 1, wherein a tapered hole is formed in any baffle (8), one port of the tapered hole is an air inlet corresponding to the fan (6), the other port of the tapered hole is an air outlet corresponding to the power equipment, and the diameter of the air outlet is smaller than that of the air inlet.
7. The device for warning high temperature of electric power equipment as claimed in claim 1, wherein the initial state of the electric telescopic cylinder (16) is in an extended state.
8. The early warning and cooling method using the high temperature early warning device of the power equipment according to any one of claims 1 to 7, comprising the following steps:
s1, pushing the handlebar (9) according to the installation position of the electric equipment to adjust the position of the baffle (8), so that the gap between adjacent baffles (8) directly corresponds to the electric equipment;
s2, starting a fan (6), starting an alarm (4) when the temperature in the shell (1) reaches the set temperature T of the temperature sensor (2), and controlling the fan (6) to increase the rotating speed of the fan by the controller (3);
s3, the controller (3) sends a command of starting the electric telescopic cylinder (16), the electric telescopic cylinder (16) is started to enable a telescopic rod of the electric telescopic cylinder to contract, and the telescopic rod of the electric telescopic cylinder (16) is contracted to drive the movable plate (14) to move upwards, so that the area of the overlapped part of the through hole (12) and the air hole (15) is increased;
s4, when the temperature in the shell (1) is reduced, the controller (3) controls the rotating speed of the fan (6) to be recovered to a normal state and is started intermittently;
s5, the telescopic rod of the electric telescopic cylinder (16) is restored to an initial state, the area of the overlapped part of the through hole (12) and the air hole (15) is reduced, and dust entering the shell (1) can be prevented after the area of the overlapped part of the through hole (12) and the air hole (15) is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350982.7A CN113256940A (en) | 2021-03-31 | 2021-03-31 | High-temperature early warning device and early warning cooling method for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110350982.7A CN113256940A (en) | 2021-03-31 | 2021-03-31 | High-temperature early warning device and early warning cooling method for power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113256940A true CN113256940A (en) | 2021-08-13 |
Family
ID=77181285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110350982.7A Pending CN113256940A (en) | 2021-03-31 | 2021-03-31 | High-temperature early warning device and early warning cooling method for power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113256940A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277424A (en) * | 1989-04-04 | 1990-11-14 | Matsushita Electric Ind Co Ltd | Bath-room television set and its safety device |
| CN104146501A (en) * | 2014-07-25 | 2014-11-19 | 江苏格林电子科技有限公司 | Refrigeration and preservation cabinet structure of logistics distribution terminal |
| CN105356331A (en) * | 2015-11-16 | 2016-02-24 | 张家港沙工科技服务有限公司 | Air-cooled distribution box of high stability |
| CN109907515A (en) * | 2019-04-05 | 2019-06-21 | 磐安县宸熙工艺品有限公司 | A kind of wooden wardrobe of anti-corrosive antibacterial |
| CN209675733U (en) * | 2019-05-16 | 2019-11-22 | 肇庆市博士芯电子科技有限公司 | A kind of electric control cabinet |
| CN212033563U (en) * | 2020-01-18 | 2020-11-27 | 张月玲 | Communication equipment control cabinet |
-
2021
- 2021-03-31 CN CN202110350982.7A patent/CN113256940A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277424A (en) * | 1989-04-04 | 1990-11-14 | Matsushita Electric Ind Co Ltd | Bath-room television set and its safety device |
| CN104146501A (en) * | 2014-07-25 | 2014-11-19 | 江苏格林电子科技有限公司 | Refrigeration and preservation cabinet structure of logistics distribution terminal |
| CN105356331A (en) * | 2015-11-16 | 2016-02-24 | 张家港沙工科技服务有限公司 | Air-cooled distribution box of high stability |
| CN109907515A (en) * | 2019-04-05 | 2019-06-21 | 磐安县宸熙工艺品有限公司 | A kind of wooden wardrobe of anti-corrosive antibacterial |
| CN209675733U (en) * | 2019-05-16 | 2019-11-22 | 肇庆市博士芯电子科技有限公司 | A kind of electric control cabinet |
| CN212033563U (en) * | 2020-01-18 | 2020-11-27 | 张月玲 | Communication equipment control cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105346367B (en) | A kind of electric automobile cooling means and system | |
| CN202512500U (en) | Refrigeration-type heat radiation base for notebook computer | |
| CN205044517U (en) | Electric automobile cooling system | |
| CN105196860A (en) | Temperature control type electrical automobile cooling method and system | |
| CN211370626U (en) | Efficient aerogenerator heat abstractor | |
| CN107104018A (en) | A kind of heat abstractor of liquid expanding temperature controller | |
| CN203167491U (en) | Electric vehicle controller | |
| CN113256940A (en) | High-temperature early warning device and early warning cooling method for power equipment | |
| CN205830244U (en) | A kind of double cooling integrated systems for electric vehicle control system | |
| CN210106211U (en) | Special intelligent temperature control radiator fan of notebook computer | |
| CN205694032U (en) | Electric motor car electric component assembly | |
| CN214823834U (en) | Forced air cooling heat dissipation system for positive motor tricycle | |
| CN212413119U (en) | High-efficiency photovoltaic power generation device | |
| CN109960375A (en) | One kind being used for host computer base support means | |
| CN211248853U (en) | Water cooling plant for laser equipment | |
| CN207753614U (en) | A kind of high-voltage frequency converter with high-efficient radiating function | |
| CN209057173U (en) | A kind of ventilation cooling type energy-storage solar photovoltaic panel | |
| CN207303748U (en) | A kind of multifunction power equipment box | |
| CN206806774U (en) | A kind of high voltage power distributing cabinet of remote monitoring function | |
| CN202488951U (en) | Power supply cooling device | |
| CN214506587U (en) | One-to-three quick charging connector | |
| CN203707107U (en) | IGBT power module cooling device | |
| CN216959579U (en) | Electric transmission device | |
| CN201294225Y (en) | Electronic cool-down radiator | |
| CN218243195U (en) | Low-energy-consumption permanent magnet speed regulation motor for hydraulic station |
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 |
Application publication date: 20210813 |
|
| RJ01 | Rejection of invention patent application after publication |