CN213423414U - Multi-stage flexible electromagnetic compatibility load equipment - Google Patents
Multi-stage flexible electromagnetic compatibility load equipment Download PDFInfo
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- CN213423414U CN213423414U CN202022354152.5U CN202022354152U CN213423414U CN 213423414 U CN213423414 U CN 213423414U CN 202022354152 U CN202022354152 U CN 202022354152U CN 213423414 U CN213423414 U CN 213423414U
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Abstract
The utility model provides a multi-stage flexible electromagnetic compatibility load device, which comprises a base, a first load, a second load and a third load; the first load, the second load and the third load are connected in series and then arranged on the base; the input shaft of the first load and the output shaft of the second load, the input shaft of the second load and the output shaft of the third load, and the input shaft of the third load are respectively connected with the output shaft of the motor through a coupling; and air outlets are arranged on the first load, the second load and the third load, and each air outlet is provided with an air door. The novel pure mechanical structure is adopted, so that the coverage and the universality are higher, the interference caused by adopting charged load equipment to a test is eliminated, and the electromagnetic compatibility condition of the motor is truly embodied; meanwhile, the device has high coverage and universality on performance indexes such as output power, rotating speed and the like, realizes the function of flexibly adjusting the load, and solves the problem that the electromagnetic compatibility test of the aviation oil pump motor cannot simulate loading.
Description
Technical Field
The utility model relates to a flexible electromagnetic compatibility load equipment of multistage formula belongs to the experimental technical field of motor electromagnetic compatibility, and concretely relates to work is in the equipment of inside oil feed and whole bubble oil work among the aviation fuel oil system, is applicable to the electromagnetic compatibility test of aviation fuel oil system with oil pump driving motor.
Background
In the field of motors for aviation fuel oil system pumps, an electromagnetic compatibility test is used as an important index for examining the motors, and the requirement of performing an electromagnetic compatibility test on products independently is normal; at present, in order to simulate the electromagnetic compatibility of the motor in a load environment as much as possible, the loading is mainly carried out by two modes of processing fan blades and providing a pump by a user.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a flexible electromagnetic compatibility load equipment of multistage formula.
The utility model discloses a following technical scheme can realize.
The utility model provides a flexible electromagnetic compatibility load equipment of multistage formula, including base, first load, second load, third load; the first load, the second load and the third load are connected in series and then arranged on the base; the input shaft of the first load and the output shaft of the second load, the input shaft of the second load and the output shaft of the third load, and the input shaft of the third load are respectively connected with the output shaft of the motor through a coupling; air outlets are arranged on the first load, the second load and the third load, and each air outlet is provided with an air door; air ducts are arranged between the first load and the second load and between the second load and the third load, and the air door, the air ducts, the base, the coupling, the first load, the second load and the third load form load equipment.
The first load, the second load and the third load are all fan blade load tools.
The first load, the second load and the third load are installed on the base through screws.
The load equipment is provided with single-stage, double-stage and three-stage series connection through a coupling, and the regulation of three stages with different powers is realized.
When the coupling joint is not installed, the third load works to realize single-stage power regulation; a coupling joint between the second load and the third load is installed, so that double-stage power regulation is realized; and when the coupling joints between the first load and the second load and between the second load and the third load are installed, three-stage power regulation is realized.
The air door is in a straight-line-shaped groove.
The motor is connected with the load equipment through the adapter plate tool.
The adapter plate tool is fixed with the load equipment through a nut.
The beneficial effects of the utility model reside in that: the motor has the advantages that a pure mechanical structure is adopted, so that the coverage and universality are high, the interference caused by the adoption of charged load equipment to a test is eliminated, and the electromagnetic compatibility condition of the motor is truly embodied; meanwhile, the device has high coverage and universality on performance indexes such as output power, rotating speed and the like, realizes the function of flexibly adjusting the load, and solves the problem that the electromagnetic compatibility test of the aviation oil pump motor cannot simulate loading.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention connected to a motor;
FIG. 3 is a schematic view of the structure of the fan blade load of the present invention;
in the figure: the fan comprises a fan body, a fan blade, a fan door, a fan blade, a motor and a fan, wherein the fan blade is arranged on the fan blade.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 3, a multi-stage flexible electromagnetic compatible load device includes a base 3, a first load 5, a second load 6, and a third load 7; a first load 5, a second load 6 and a third load 7 are connected in series and then arranged on a base 3; the input shaft of the first load 5 and the output shaft of the second load 6, the input shaft of the second load 6 and the output shaft of the third load 7, and the input shaft of the third load 7 are respectively connected with the output shaft of the motor 9 through a coupling 4; air outlets are formed in the first load 5, the second load 6 and the third load 7, and each air outlet is provided with an air door 1; wind cylinders 2 are arranged between the first load 5 and the second load 6 and between the second load 6 and the third load 7, and the wind door 1, the wind cylinders 2, the base 3, the coupling 4, the first load 5, the second load 6 and the third load 7 form load equipment.
The first load 5, the second load 6 and the third load 7 are all fan blade load tools 8.
The first load 5, the second load 6, and the third load 7 are mounted on the base 3 by screws.
The load equipment is provided with a single-stage, a double-stage and a three-stage series connection through the coupling 4, and the regulation of different powers of three stages (such as 350W, 700W and 1050W) is realized, namely stepped regulation.
Preferably, the output power of the first load 5, the second load 6 and the third load 7 is 350W when the rotation speed is 12000rpm, and the output of 1.05kW is realized after the power is superposed.
When the coupling 4 is not installed, the third load 7 works to realize single-stage power (350W) adjustment; when the coupling 4 between the second load 6 and the third load 7 is installed, double-stage power (700W) regulation is realized; three-stage power (1050W) regulation is achieved when installing the couplings 4 between the first load 5 and the second load 6, and between the second load 6 and the third load 7.
The air door 1 is an air door with a straight-line-shaped groove, the air quantity is adjusted by changing the opening and closing size of the air door 1, the output power is continuously adjusted, and the output power of each load is adjusted, namely, continuous flexible adjustment is realized.
And the motor 9 is connected with load equipment through a motor adapter plate tool.
The motor adapter plate tool is fixed with the load equipment through a nut.
Further, before testing the load equipment, a dynamometer is used for recording corresponding current values under different output powers, then the load equipment is tested, the size of the air door 1 is changed to be adjusted to the power current value corresponding to the dynamometer in testing, and meanwhile, a rotating speed value is recorded, so that the power coverage of the load equipment is tested.
Specific, current oil pump motor kind, specification are many, and during electromagnetic compatibility, high-power motor mostly goes on along with the pump complete machine, and the miniwatt motor goes on through the design flabellum load, through the utility model discloses a load equipment has solved aviation oil pump motor and can't loaded problem when carrying out electromagnetic compatibility, has realized a high reliability, high coverage, and the flexible load technique of multistage formula, main beneficial achievement is as follows:
1. the problem that the power value of the output load under the corresponding rotating speed can be met only by matching and processing the fan blades for multiple times due to the fact that no fan blade design capacity is adopted due to the fact that fan blade load is adopted, no external interference is brought to the electromagnetic compatibility test of the product, time and labor are saved, and meanwhile compared with the pure mechanical load adopting an air pump, a friction plate and the like, the cost is low;
2. the problems that the types of loads are various, and basically motors with different output powers need to be provided with fan blade loads, load interfaces, universality and coverage are poor are solved;
3. the problems that the pump is large in size, difficult to transport and the like when electromagnetic compatibility is carried out along with the pump are solved;
4. through the design of multiple stages, high coverage, universal interface and flexible adjustment, the electromagnetic compatibility test of the product can be conveniently found in design, the electromagnetic compatibility performance of the product can be timely optimized, the electromagnetic compatibility performance of the product can be ensured, and the product competitiveness can be improved; meanwhile, the use of the load equipment brings very positive significance to factories in terms of cost and investment of manpower and material resources, and has great popularization significance in small-power motors such as spaceflight, weapons and the like besides being applied to aviation oil pump motor products.
Claims (8)
1. A flexible electromagnetic compatibility load equipment of multistage formula, includes base (3), first load (5), second load (6), third load (7), its characterized in that: a first load (5), a second load (6) and a third load (7) are connected in series and then arranged on the base (3); the input shaft of the first load (5) and the output shaft of the second load (6), the input shaft of the second load (6) and the output shaft of the third load (7), and the input shaft of the third load (7) are respectively connected with the output shaft of the motor (9) through a coupling (4); air outlets are formed in the first load (5), the second load (6) and the third load (7), and each air outlet is provided with an air door (1); wind cylinders (2) are arranged between the first load (5) and the second load (6) and between the second load (6) and the third load (7), and the wind door (1), the wind cylinders (2), the base (3), the coupling (4), the first load (5), the second load (6) and the third load (7) form load equipment.
2. The multi-stage flexible electromagnetic compatible load device of claim 1, wherein: the first load (5), the second load (6) and the third load (7) are all fan blade load tools (8).
3. The multi-stage flexible electromagnetic compatible load device of claim 1, wherein: the first load (5), the second load (6) and the third load (7) are installed on the base (3) through screws.
4. The multi-stage flexible electromagnetic compatible load device of claim 1, wherein: the load equipment is provided with single-stage, double-stage and three-stage series connection through a coupling (4), so that the regulation of three stages with different powers is realized.
5. The multi-stage flexible electromagnetic compatible load device of claim 4, wherein: when the coupling (4) is not installed, the third load (7) works to realize single-stage power regulation; when a coupling (4) between the second load (6) and the third load (7) is installed, double-stage power regulation is realized; when the coupling (4) between the first load (5) and the second load (6) and between the second load (6) and the third load (7) is installed, three-level power regulation is realized.
6. The multi-stage flexible electromagnetic compatible load device of claim 1, wherein: the air door (1) is an air door with a straight-line-shaped groove.
7. The multi-stage flexible electromagnetic compatible load device of claim 1, wherein: and the motor (9) is connected with load equipment through a motor adapter plate tool.
8. The multi-stage flexible electromagnetic compatible load device of claim 7, wherein: the motor adapter plate tool is fixed with the load equipment through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022354152.5U CN213423414U (en) | 2020-10-21 | 2020-10-21 | Multi-stage flexible electromagnetic compatibility load equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022354152.5U CN213423414U (en) | 2020-10-21 | 2020-10-21 | Multi-stage flexible electromagnetic compatibility load equipment |
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| Publication Number | Publication Date |
|---|---|
| CN213423414U true CN213423414U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022354152.5U Active CN213423414U (en) | 2020-10-21 | 2020-10-21 | Multi-stage flexible electromagnetic compatibility load equipment |
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|---|---|
| CN (1) | CN213423414U (en) |
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- 2020-10-21 CN CN202022354152.5U patent/CN213423414U/en active Active
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