CN119375518B - Adjustable load test box - Google Patents
Adjustable load test boxInfo
- Publication number
- CN119375518B CN119375518B CN202411572325.7A CN202411572325A CN119375518B CN 119375518 B CN119375518 B CN 119375518B CN 202411572325 A CN202411572325 A CN 202411572325A CN 119375518 B CN119375518 B CN 119375518B
- Authority
- CN
- China
- Prior art keywords
- load test
- test box
- belt
- filtering
- filter
- 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.)
- Active
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
- B01D46/20—Particle separators, e.g. dust precipitators, using filtering belts the belts combined with drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
- B01D46/22—Particle separators, e.g. dust precipitators, using filtering belts the belts travelling during filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/34—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis parallel to the surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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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
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of load test boxes, and discloses an adjustable load test box. The invention comprises a chassis and a bottom plate suspended in the chassis, wherein a filtering mechanism is arranged in the chassis, the filtering mechanism comprises a driving rack with a concave overall structure and a filtering belt which is arranged on the driving rack and can carry out circulating transmission, the driving rack can adjust the filtering belt, the filtering belt can filter dust and moisture in air, and two groups of fans respectively used for air entraining and air exhausting are arranged on the driving rack. The invention can realize dust filtering and moisture filtering functions while guaranteeing heat dissipation, thereby reducing the influence of moisture on internal elements, and simultaneously can be adjusted to a single dust filtering mode according to the requirement, thereby improving the ventilation and heat dissipation effects.
Description
Technical Field
The invention relates to the technical field of load test boxes, in particular to an adjustable load test box.
Background
The load test box is generally called as a load box or a load cabinet, belongs to power load test equipment, is mainly used for carrying out load test on power supply equipment such as a generator, a battery pack, a power panel and the like, simulates the load of the power supply equipment in actual application, and tests the performance of the power supply equipment.
The principle of air cooling and heat dissipation is that external air is sent into the equipment and then is discharged, external cold air is led in and internal heat is discharged, but when the equipment is in a large-humidity environment or is in a rainy season, the heat dissipation mode is easy to bring humidity into the equipment, the humidity damages elements in the load box more greatly, the corrosion of the power elements can be accelerated by the humidity, the insulating property of the air can be reduced, insulating materials in the power elements absorb moisture, the insulating resistance is reduced, leakage current is increased, insulation breakdown is possibly caused when the leakage current is severe, and therefore, the problem that the existing load test box needs to be solved is solved by inhibiting the entry of external humidity while ensuring the normal heat dissipation of the load test box.
Disclosure of Invention
In order to solve the technical problems, the invention provides an adjustable load test box.
The invention adopts the following technical scheme that a chassis and a bottom plate suspended in the chassis are provided with a filtering mechanism in the chassis, the filtering mechanism comprises a driving rack with a concave overall structure and a filtering belt which is arranged on the driving rack and can carry out circulating transmission, the driving rack can adjust the filtering belt, the filtering belt can filter dust and moisture in the air, and two groups of fans respectively used for air entraining and air exhausting are arranged on the driving rack;
The filter belt consists of two equal-length filter screens and two equal-length moisture absorption belts, the two filter screens and the two moisture absorption belts are distributed on the filter belt at intervals, the positions of the two moisture absorption belts are respectively opposite to the two groups of fans, and the moisture absorption belts consist of two gauze meshes and a sponge layer arranged between the two gauze meshes, so that the moisture absorption belts can absorb moisture in air and simultaneously can ensure the ventilation of the moisture absorption belts.
Preferably, the driving rack comprises a front frame and a tail frame which are slidably mounted in the chassis, a plurality of connecting rods are arranged on the front frame and the tail frame, two driving rollers and four shaping rollers are arranged on the front frame and the tail frame, a motor for driving the driving rollers to rotate is arranged on the front frame, and the filter belt is sleeved on the two driving rollers and is in contact with the four shaping rollers.
Preferably, the case is provided with a concave opening, the front frame is provided with a concave sealing plate matched with the concave opening, and the concave sealing plate is provided with two handles, so that the whole filter mechanism can be conveniently taken out from the case for maintenance.
Preferably, the front frame and the tail frame are rotatably provided with two press rolls which are distributed up and down, and the filter belt passes through the space between the two press rolls, so that the two press rolls can assist in squeezing out water stains in the filter belt when the filter belt is driven.
Preferably, brush rollers are arranged on the front frame and the tail frame and are in contact with the filter belt, so that the brush rollers can clean the filter belt in transmission.
Preferably, the brush roller is rotationally connected with the front frame and the tail frame, round gears are arranged on the brush roller and the press roller below, and the two round gears are meshed with each other, so that the press roller can drive the brush roller to transfer against the direction of the filter belt transmission.
Preferably, a guide chute is arranged at the bottom of the case, and the guide chute is positioned under the compression roller and the brush roller, so that dust and water stains cleaned from the filter belt are discharged.
Preferably, a plurality of inclined perforations distributed in an array are formed in the sponge layer, so that the ventilation effect of the sponge layer can be further improved while the dehumidification performance of the sponge layer is not affected.
Preferably, rotatable fixing frames are arranged on the inner walls of the two sides of the tail frame, the other ends of the two fixing frames are connected with the front frame, and the two groups of fans are fixedly connected with the corresponding fixing frames respectively.
Preferably, a power supply socket is arranged on the inner wall of the case, a power supply plug is arranged on the tailstock, and the power supply plug is inserted on the power supply socket, so that power supply to the whole filtering mechanism is realized, and the whole filtering mechanism can be arranged in the case in a modularized mode.
Compared with the prior art, the invention has the beneficial effects that:
The filter mechanism with a concave integral structure is formed by the cooperation of the driving rack and the filter belt, the dust filtering and moisture filtering functions can be realized, so that the load test box does not need to worry about the influence of moisture, the positions of the two moisture absorption belts can be converted, one moisture absorption belt can dry by means of the heat discharged by the heat dissipation of the load test box while the dehumidification work is performed, the two moisture absorption belts can be repeatedly used in turn without worrying about the problem of saturated adsorption moisture, and under the condition of realizing the functions, the whole filter mechanism has a compact structure, does not occupy excessive space in the load test box, can be conveniently taken out from the load test box for maintenance, and has the advantages of strong functionality, small occupied space, easiness in maintenance and the like;
the driving rack not only can convert the positions of the two moisture absorption belts, but also can enable the positions of the air inlet and the air outlet to correspond to the filter screens by adjusting the filter belts, so that when the device is used in dry seasons or areas, the load test box can be adjusted from a dust filtering and moisture filtering mode to a single dust filtering mode, thereby increasing ventilation, further improving the heat dissipation effect and further improving the applicability;
Through setting up brush roller and two compression rollers in the drive frame to this makes when carrying out the position conversion of two moisture absorption area, can also realize the deashing work of filter screen and the dehydration work of moisture absorption area on the filter screen in step, both guaranteed the ventilation nature of filter screen, avoid it to receive the dust influence, can also further improve moisture absorption area stoving multiplexing efficiency simultaneously.
Drawings
FIG. 1 is an overall structural representation of an adjustable load test box of the present invention;
FIG. 2 is a split view of the adjustable load test box of the present invention;
FIG. 3 is an overall display view of the filter mechanism in the adjustable load test box of the present invention;
FIG. 4 is a split view showing a filter mechanism in an adjustable load test box according to the present invention;
FIG. 5 is a front view of the drive housing in the filter mechanism shown in a split and partially enlarged view;
FIG. 6 is a rear view perspective exploded view of the drive housing in the filter mechanism;
FIG. 7 is a front view plan cut-away display view of the adjustable load test chamber of the present invention;
FIG. 8 is a layout display of the filter belt with the connecting rod, drive roller, shaping roller;
FIG. 9 is an enlarged view showing the layout of the filter screen and the moisture absorption belt in the belt;
FIG. 10 is a schematic ventilation diagram of an adjustable load test box of the present invention.
Main symbol description:
1. A chassis; 2, a bottom plate, 3, a front frame, 4, a tail frame, 5, a connecting rod, 6, a driving roller, 7, a shaping roller, 8, a concave sealing plate, 9, a motor, 10, a worm, 11, a worm wheel, 12, a filter belt, 121, a filter screen, 122, a moisture absorption belt, 1221, a gauze, 1222, a sponge layer, 13, a fixing frame, 14, a fan, 15, a pressing roller, 16, a brush roller, 17, a guide chute, 18 and a power supply plug.
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 10, the adjustable load test box comprises a chassis 1 and a bottom plate 2 suspended in the chassis 1, wherein two ends of the bottom plate 2 are fixedly connected with front and rear inner walls of the chassis 1 respectively, the bottom plate 2 is suspended in the chassis 1, so that the bottom plate cannot collide with a filtering mechanism in the chassis 1, two sides of the chassis 1 are provided with radiating holes, the radiating holes on the left side are air inlets, the radiating holes on the right side are air outlets, the chassis 1 is internally provided with a filtering mechanism, the filtering mechanism comprises a driving rack with a concave integral structure and a filtering belt 12 which is arranged on the driving rack and can carry out circulating transmission, the filtering belt 12 can filter dust and moisture in air, and two groups of fans 14 respectively used for air entraining and exhausting are arranged on the driving rack;
The filter belt 12 is composed of two equal-length filter screens 121 and two equal-length moisture absorption belts 122, the two filter screens 121 and the two moisture absorption belts 122 are distributed on the filter belt 12 at intervals, the positions of the two moisture absorption belts 122 are respectively opposite to the two groups of fans 14, the moisture absorption belts 122 are composed of two gauze 1221 and a sponge layer 1222 positioned between the two gauze 1221, so that the moisture absorption belts 122 can absorb moisture in air and can also ensure the ventilation of the air, and the sponge layer 1222 is provided with a plurality of inclined perforations distributed in an array, so that the air can be fully contacted with the sponge layer 1222 and can be discharged along pores after being contacted, and the ventilation effect of the sponge layer 1222 is further improved while the dehumidification of the sponge layer 1222 is not affected, so that the heat dissipation of a load test box is further improved;
The driving frame can convert the positions of the two moisture absorption belts 122, so that one moisture absorption belt 122 can dehumidify and the other moisture absorption belt 122 can dry by means of the heat discharged by the heat dissipation of the load test box, the two moisture absorption belts 122 can be reused in turn without worrying about the problem of saturation of adsorbed humidity, and the two moisture absorption belts 122 on the filter belt 12 are respectively corresponding to the two groups of fans 14 due to the concave layout of the whole filter belt 12, but cannot be completely aligned when the positions of the two moisture absorption belts 122 are converted, so that the area of the two moisture absorption belts 122 is required to be slightly larger than the area of the two groups of fans 14, and a dislocation redundancy area is reserved, so that the two moisture absorption belts 122 can be aligned with the two groups of fans 14 after the conversion positions.
The drive frame includes front frame 3 and tailstock 4 of slidable mounting in quick-witted case 1, the bottom inner wall of quick-witted case 1 is provided with two slide rails, front frame 3 and tailstock 4's bottom all is provided with two slides, four slides respectively with two slide rail sliding connection, thereby make filtering mechanism both can set up in quick-witted case 1 steadily, simultaneously can conveniently take out from quick-witted case 1 again, be provided with a plurality of connecting rods 5 on front frame 3 and the tailstock 4, the both ends of connecting rod 5 are provided with the screw thread, its one end and tailstock 4 threaded connection, its other end runs through front frame 3 and fixes through the nut, thereby make whole drive frame can conveniently dismantle, thereby let filter belt 12 can maintain and change at the follow-up, be provided with two drive rollers 6 and four shaping rollers 7 on front frame 3 and the tailstock 4, wherein the surface of drive roller 6 is provided with the rubber layer, can improve its frictional force with filter belt 12 so as to guarantee normal transmission, set up motor 9 and worm wheel 11 on the front frame 3, set up motor 9 and worm wheel 11 on the output shaft, worm wheel 11 is provided with worm wheel 11 and the drive roller 10 and can be more compact to the four sides of four shaping rollers 6, and the four sets up the four sides can be more and the four side of drive roller 6 and the four side-channel, the four side of drive frame is realized, the four side is compact, and the four side is realized, the four and is more to take up the side to the drive roller 6 and is more to the side to the four and is shaped to the side to the drive roller 6.
The chassis 1 combining fig. 1 and fig. 2 is provided with a concave port, the concave port is used as an inlet and outlet of the filtering mechanism, the front frame 3 is provided with a concave sealing plate 8 matched with the concave port, the concave sealing plate 8 is used as a baffle door of the concave port, and the concave sealing plate 8 is provided with two handles, so that the whole filtering mechanism can be conveniently taken out from the chassis 1 for maintenance.
The front frame 3 and the tail frame 4 are rotatably provided with two compression rollers 15 which are distributed up and down, and the filter belt 12 passes through the two compression rollers 15, so that the two compression rollers 15 can assist in squeezing out water stains in the filter belt 12 when the filter belt 12 is driven.
Referring to fig. 7 and 8, the front frame 3 and the tail frame 4 are rotatably provided with a brush roller 16, the brush roller 16 contacts with the filter belt 12, the brush roller 16 and the press roller 15 below are respectively provided with a circular gear, and the two circular gears are meshed with each other, so that the press roller 15 can drive the brush roller 16 to transfer along the direction opposite to the transmission direction of the filter belt 12, not only can the filter belt 12 in transmission be cleaned, but also the cleaning effect can be ensured.
Referring to fig. 7, a guide groove 17 is provided at the bottom of the casing 1, and the guide groove 17 is located right under the press roller 15 and the brush roller 16, so as to discharge dust and water stains cleaned from the filter belt 12.
Combining fig. 4 and 5, both sides inner wall of tailstock 4 all is provided with rotatable mount 13, mount 13 comprises two parts of seat and frame of rotating of installing on tailstock 4, fan 14 then installs on the frame, wherein the frame part is connected with preceding frame 3 through the screw, when need to take apart the drive frame and change the filter belt 12 on it, only need pull down mount 13 from preceding frame 3 to use the seat of rotating as the axle center turn to the opposite side can, then pull down preceding frame 3 again, with this dismouting that can remove between fan 14 and the tailstock 4, let the change maintenance of filter belt 12 not too loaded down with trivial details.
Referring to fig. 6, a power supply socket is disposed on an inner wall of the chassis 1, a power supply plug 18 is disposed on the tailstock 4, and the power supply plug 18 is inserted on the power supply socket, so as to supply power to the whole filtering mechanism, and also enable the whole filtering mechanism to be disposed in the chassis 1 in a modularized manner.
The implementation principle of the adjustable load test box in the embodiment of the application is as follows:
the heat dissipation holes on the left side of the case 1 are air inlets, and the heat dissipation holes on the right side of the case 1 are air outlets;
Starting two groups of fans 14, wherein the left side fan 14 is responsible for sending external air into the chassis 1, when the external air enters the chassis 1 through an air inlet, the external air firstly passes through a filter screen 121 on a filter belt 12 so as to filter dust in the air, and then the air passes through a moisture absorption belt 122 so that moisture in the air can be absorbed by a sponge layer 1222, and therefore the moisture in the air can not enter the load test box, and the load test box is prevented from being influenced by the moisture while the normal heat dissipation of the load test box is ensured;
In order to avoid the moisture saturation of the moisture absorption belt 122 at the air inlet, the motor 9 is started, the motor 9 drives the corresponding driving roller 6 to rotate through the worm 10 and the worm wheel 11, the driving roller 6 starts to drive the filter belt 12 through rotation, so that the positions of the two moisture absorption belts 122 can be changed, the positions of the two moisture absorption belts 122 are exchanged, the moisture absorption belts 122 with saturated adsorption are transferred to the air outlet, at the moment, when the heat flow in the load test box is discharged through the air outlet, the heat flow can pass through the moisture absorption belts 122 with saturated adsorption in the way of being carried out, and the heat discharged by the load test box can be utilized to dry the load test box, so that the circulation is realized, and the two moisture absorption belts 122 can be alternately circulated through an adjusting mode to absorb moisture;
Meanwhile, when the absorbent belt 122 is saturated and absorbed and passes through the two pressing rollers 15, the two pressing rollers 15 can squeeze out water stains in the sponge layer 1222 inside the absorbent belt, so that the drying efficiency can be improved by dewatering the absorbent belt in advance before drying, the filtering belt 12 can drive the two pressing rollers 15 to rotate in the transmission process, and the pressing rollers 15 at the bottom can drive the brush roller 16 to rotate against the running direction of the filtering belt 12 through the circular gear, so that dust adhered to the filtering screen 121 can be cleaned, and then the cleaned dust and water stains can be discharged along the guide groove 17.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (10)
1. The adjustable load test box comprises a machine box (1) and a bottom plate (2) suspended in the machine box (1), and is characterized in that a filtering mechanism is arranged in the machine box (1), the filtering mechanism comprises a driving rack with a concave overall structure and a filtering belt (12) which is arranged on the driving rack and can carry out circulating transmission, the driving rack can adjust the filtering belt (12), the filtering belt (12) can filter dust and moisture in the air, and two groups of fans (14) respectively used for air entraining and exhausting are arranged on the driving rack;
The filter belt (12) consists of two equal-length filter screens (121) and two equal-length moisture absorption belts (122), the two filter screens (121) and the two moisture absorption belts (122) are distributed on the filter belt (12) at intervals in an opposite way, the positions of the two moisture absorption belts (122) are respectively opposite to the two groups of fans (14), and the moisture absorption belts (122) consist of two gauze meshes (1221) and a sponge layer (1222) arranged between the two gauze meshes (1221), so that the moisture absorption belts (122) can absorb moisture in air and also can ensure ventilation of the air;
the driving rack comprises a front frame (3) and a tail frame (4) which are slidably mounted in the chassis (1), a plurality of connecting rods (5) are arranged on the front frame (3) and the tail frame (4), two driving rollers (6) and four shaping rollers (7) are arranged on the front frame (3) and the tail frame (4), and the filter belt (12) is sleeved on the two driving rollers (6) and is in contact with the four shaping rollers (7).
2. An adjustable load test box according to claim 1, characterized in that the front frame (3) is provided with a motor (9) for driving the drive roller (6) in rotation.
3. The adjustable load test box according to claim 1, wherein the machine box (1) is provided with a concave opening, the front frame (3) is provided with a concave sealing plate (8) matched with the concave opening, and the concave sealing plate (8) is provided with two handles, so that the whole filter mechanism can be conveniently taken out from the machine box (1) for maintenance.
4. The adjustable load test box according to claim 1, wherein the front frame (3) and the tail frame (4) are rotatably provided with two pressing rollers (15) which are distributed up and down, and the filter belt (12) passes through between the two pressing rollers (15), so that the two pressing rollers (15) can assist in squeezing out water stains in the filter belt (12) when the filter belt (12) is driven.
5. The adjustable load test box according to claim 1, characterized in that the front frame (3) and the tail frame (4) are provided with brush rollers (16), and the brush rollers (16) are in contact with the filter belt (12), so that the brush rollers (16) can clean the filter belt (12) in transmission.
6. The adjustable load test box according to claim 5, wherein the brush roller (16) is rotatably connected with the front frame (3) and the tail frame (4), round gears are arranged on the brush roller (16) and the lower press roller (15), and the two round gears are meshed, so that the press roller (15) can drive the brush roller (16) to transfer against the transmission direction of the filter belt (12).
7. The adjustable load test box according to claim 6, wherein a guide chute (17) is arranged at the bottom of the machine box (1), and the guide chute (17) is positioned right below the press roller (15) and the brush roller (16) so as to be used for discharging dust and water stains cleaned from the filter belt (12).
8. The adjustable load test box of claim 1, wherein the sponge layer (1222) is provided with a plurality of inclined perforations distributed in an array, so that the ventilation effect of the sponge layer (1222) can be further improved without affecting the dehumidification property of the sponge layer.
9. The adjustable load test box according to claim 1, wherein the inner walls of the two sides of the tail frame (4) are provided with rotatable fixing frames (13), the other ends of the two fixing frames (13) are connected with the front frame (3), and the two groups of fans (14) are fixedly connected with the corresponding fixing frames (13) respectively.
10. The adjustable load test box according to claim 1, characterized in that a power supply socket is arranged on the inner wall of the chassis (1), a power supply plug (18) is arranged on the tail bracket (4), and the power supply plug (18) is inserted on the power supply socket, so that the power supply of the whole filtering mechanism is realized, and the whole filtering mechanism can be arranged in the chassis (1) in a modularized mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411572325.7A CN119375518B (en) | 2024-11-06 | 2024-11-06 | Adjustable load test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411572325.7A CN119375518B (en) | 2024-11-06 | 2024-11-06 | Adjustable load test box |
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| Publication Number | Publication Date |
|---|---|
| CN119375518A CN119375518A (en) | 2025-01-28 |
| CN119375518B true CN119375518B (en) | 2025-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411572325.7A Active CN119375518B (en) | 2024-11-06 | 2024-11-06 | Adjustable load test box |
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| CN (1) | CN119375518B (en) |
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| JPH0639225A (en) * | 1992-07-23 | 1994-02-15 | Fujitsu Ltd | Rotational cleaning type air filter device |
| CN212210074U (en) * | 2020-05-26 | 2020-12-22 | 李德伟 | Power distribution cabinet with improved thermal characteristics for electrical engineering |
| CN115038313A (en) * | 2022-07-06 | 2022-09-09 | 安徽拓泰智能科技有限公司 | Network rack that heat dispersion is good |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN119375518A (en) | 2025-01-28 |
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