CN106680709A - Simple motor endurance load simulation device capable of being used for environment test - Google Patents
Simple motor endurance load simulation device capable of being used for environment test Download PDFInfo
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- CN106680709A CN106680709A CN201510744440.2A CN201510744440A CN106680709A CN 106680709 A CN106680709 A CN 106680709A CN 201510744440 A CN201510744440 A CN 201510744440A CN 106680709 A CN106680709 A CN 106680709A
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- motor
- reducing gear
- load
- pinboard
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention provides a simple motor endurance load simulation device capable of being used for environment test. The simple motor endurance load simulation device mainly comprises a motor to be tested, a speed reducing mechanism 1, a speed reducing mechanism 2, a load motor, a shaft connection adapter plate between the motor and one speed reducing mechanism, and a shaft connection adapter plate between the speed reducing mechanisms and the like. Rotation kinetic energy of the motor to be tested is converted into electric energy, and the electric energy is directly applied to the load motor to reversely drive the load motor, so that while the electric energy is consumed, resistance is caused to the motor to be tested, and the purpose of simulating motor load is achieved; and the device is mainly formed by mechanical structures, and a load simulator follows the motor to be tested to rotate, so that independent control and power supply are not needed, the structure is simple, environmental adaptability is high and reliability is high, and the difficulty in endurance simulation load design of motor endurance simulation load especially under the condition of environment test is solved.
Description
Art
The present invention relates to dynamometer machine, motor load technical field, more particularly to a kind of durable load simulating device of simple motor that can be used for environmental test.
Background technology
Current conventional motor load long duration test, is completed using measurement of power machining control computer mostly, and not only all size classification is more for dynamometer machine, and it is various to realize that principle also has.But all there is expensive, complex operation, bulky.The shortcomings of operating environment requirements are high.Energy consumption is not only continued as the load of motor long duration test using dynamometer machine higher, and cause thermal damage easily occurred, reliability is low.And the problem of maximum is dynamometer machine can not be placed in environmental test chamber together with motor and do the environmental tests such as high/low temperature.Cannot function as motor long duration test load in the presence of a harsh environment.
The content of the invention
The present invention proposes a kind of simple and reliable long duration test load simulating device for many deficiencies of current motor long duration test load.
It is that, up to above-mentioned purpose, the present invention proposes a kind of durable load simulating device of simple motor that can be used for environmental test.Mainly include：Tested motor, the tested motor has output revolving shaft, and motor output revolving shaft is connected with the input shaft of reducing gear 1；Reducing gear 1, the input shaft of the reducing gear 1 is connected with tested motor output shaft, and the output shaft of reducing gear 1 is connected with the output shaft of reducing gear 2；Reducing gear 2, the input shaft of the reducing gear 2 is connected with load motor output shaft, and the output shaft of reducing gear 2 is connected with the output shaft of reducing gear 1；Load motor, the load motor has output revolving shaft, and motor output revolving shaft is connected with the input shaft of reducing gear 2, and each phase control line of motor is directly shorted together；Axle connection pinboard between motor and reducing gear, the pinboard is hollow design to facilitate motor output shaft to be connected with reducing gear input shaft, motor and speed reducer structure is respectively mounted on the both sides of this pinboard, this pinboard one end is connected with motor, and other end is connected with reducing gear；Axle connection pinboard between reducing gear, the pinboard is hollow design to facilitate the output shaft of reducing gear 1 to be connected with the output shaft of reducing gear 2, reducing gear is separately mounted to pinboard both sides, and this pinboard one end is connected with reducing gear 1, and other end is connected with reducing gear 2.
One or more module in the present invention can enter line parameter solidification, carry out modularized design；The parameter that need to only change one of module for different testing of electric motors just can meet requirement.This design greatly increased the adaptability and portability of the present invention.
The present invention is beneficial to be had the technical effect that：Because fictitious load is constituted using mechanical device and motor, and load motor need not additionally drive, so the present invention has the advantages that simple structure, small volume, low cost, reliability height, environmental suitability are strong.
Description of the drawings：
Fig. 1：The durable load simulating device structural representation of simple motor according to embodiments of the present invention.
Specific embodiment：
The durable load simulating device structural representation of simple motor Fig. 1 according to embodiments of the present invention.
Below according to embodiments of the invention are described exemplifying drawings 1 Suo Shi in detail, the example of the embodiment 1 is illustrated in the accompanying drawings, wherein from start to finish same or similar label represents same or similar element or the element with same or like function.It is exemplary below with reference to the embodiment of Description of Drawings, is only used for explaining the present invention, and is not construed as limiting the claims.
In describing the invention, unless otherwise prescribed and limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be being mechanically connected or electrical connection, or the connection of two element internals, can be joined directly together, can also be indirectly connected to by intermediary, for the ordinary skill in the art, can as the case may be understand the concrete meaning of above-mentioned term.
With reference to this description of the drawings, by the these and other aspect of clear and definite embodiments of the invention.In these descriptions, some particular implementations in specific explanations embodiments of the invention are representing some modes of the principle for implementing embodiments of the invention, but it is to be understood that the scope of embodiments of the invention is not limited.Conversely, embodiments of the invention include all changes, modification and the equivalent fallen into the range of the spirit and intension of attached claims.
As shown in No. 1 module in accompanying drawing 1：No. 1 module is tested motor, and the motor can be ac synchronous motor, DC brushless motor or brush direct current motor.When the motor rotates, the rotation of reducing gear 1, reducing gear 2 and load motor is driven.
As shown in No. 2 modules in accompanying drawing 1：No. 2 modules are the axle connection pinboard 1 between motor and reducing gear, and the pinboard 1 is hollow design to facilitate tested motor output shaft to be connected with the input shaft of reducing gear 1, and the connected mode between the input shaft of tested motor output shaft and reducing gear 1 is not limited；Motor and speed reducer structure is separately mounted to pinboard both sides, and this pinboard one end is connected with tested motor, and other end is connected with reducing gear 1；
As shown in No. 3 modules in accompanying drawing 1：No. 3 modules are reducing gear 1, and the input shaft of the reducing gear 1 is connected with tested motor output shaft, and the output shaft of reducing gear 1 is connected with the output shaft of reducing gear 2.When tested motor rotates, reducing gear 1 reduces the rotary speed of tested motor according to speed reducing ratio, while increasing output torque according to speed reducing ratio.The speed reducing ratio for defining reducing gear 1 compares 1 for m, and tested motor rotating speed is Vin.Then there is the output speed of reducing gear 1 to be Vin/m.
As shown in No. 4 modules in accompanying drawing 1：No. 4 modules are the axle connection pinboard between reducing gear, and the pinboard is hollow design to facilitate the output shaft of reducing gear 1 to be connected with the output shaft of reducing gear 2, and the connected mode between the output shaft of the output shaft of reducing gear 1 and reducing gear 2 is not limited；Reducing gear is separately mounted to pinboard both sides, and described pinboard one end is connected with reducing gear 1, and other end is connected with reducing gear 2.
As shown in No. 5 modules in accompanying drawing 1：No. 5 modules are reducing gear 2, and the input shaft of the reducing gear 2 is connected with load motor output shaft, and the output shaft of reducing gear 2 is connected with the output shaft of reducing gear 1.The reducing gear 2 is used at this moment as a speed increasing mechanism；When tested motor rotates, the output rotating speed of reducing gear 2 is Vin/m as the output rotating speed of reducing gear 1, all；The speed reducing ratio for defining reducing gear 2 compares 1 for n, then the rotating speed that now the input rotating speed of reducing gear 2 is also simultaneously load motor output end is Vin*n/m.
As shown in No. 6 modules in accompanying drawing 1：No. 6 modules are the axle connection pinboard 2 between motor and reducing gear, and the pinboard 2 is hollow design to facilitate load motor output shaft to be connected with the input shaft of reducing gear 2, and the connected mode between the input shaft of load motor output shaft and reducing gear 2 is not limited；Machine and reducing gear are separately mounted to pinboard both sides, and the one end of the pinboard 6 is connected with load motor, and other end is connected with reducing gear 2.
As shown in No. 7 modules in accompanying drawing 1：No. 7 modules are load motor, and the motor can be ac synchronous motor, DC brushless motor or brush direct current motor.When the load motor passively rotates, due to the inherent characteristic of motor, induced potential can be produced between the control line of motor, now load motor is used as a generator；The size of induced potential is directly proportional to the rotating speed of load motor, now each phase control line of load motor is shorted together mutually, load motor passively rotates the voltage of generation and enters machine winding further through motor control line, and to motor drag effect opposite to the direction of rotation is produced；The passive rotary rpm of load motor is bigger, and induced potential is bigger, bigger to the rotational resistance of motor.
It is more than pin explanation of the principles of the present invention, when physical simulation load design is carried out using the principle of the invention, reducing gear speed reducing ratio and load motor parameter can be selected according to actual conditions.Required according to the long duration test operating point of tested motor, just can be accomplished the end in view by the simple combination to reducing gear speed reducing ratio m, n and load motor parameter.To be further illustrated with a specific example below.
This example tested motor be three-phase direct-current brushless motor, rated voltage 12V, rated current 30A, 2500 revs/min of rated speed；The speed of reducing gear 1 is than being equal to the speed of reducing gear 2 than being 55 to 1；Load motor is brush direct current motor, rated voltage 24V, rated current 20A, 3000 revs/min of rated speed.In the case of this parameter, when tested motor rotary rpm is 1500 revs/min, the resistance that fictitious load is applied to above tested motor makes tested motor bus driving current increase to 10 amperes, i.e. tested motor and is operated in 1500 revs/min, 10 amperes of this operating points.When tested motor rotating speed is 2500 revs/min, the resistance that fictitious load is applied to above tested motor makes tested motor bus driving current increase to 30 amperes, i.e. tested motor and is operated in 2500 revs/min, 30 amperes of this operating points.
Motor load analogue means according to embodiments of the present invention is rotated with tested motor, without the need for individually control, without the need for power supply, simple structure, good environmental adaptability, reliability height, a difficult problem for the durable fictitious load design that the durable fictitious load of motor is particularly in the case of environmental test is solved.The simple and reliable method of the present invention, makes up industry blank.
In the description of this specification, the description of reference term " example ", " specific example ", " some examples " etc. means that the specific features, structure or the feature that describe with reference to the embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the specific features of description, structure or feature can in an appropriate manner be combined in any one or more embodiments or example.
The above; a certain specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, any those skilled in the art the invention discloses technical scope in; the change or replacement that can be readily occurred in, all should be included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (7)
1. the durable load simulating device of a kind of simple motor that can be used for environmental test, it is characterised in that include lower module composition such as：The modules such as the axle connection pinboard between tested motor, reducing gear 1, reducing gear 2, axle connection pinboard, reducing gear between load motor, motor and reducing gear.
2. tested motor as claimed in claim 1, it is characterised in that：Tested motor has output revolving shaft, and motor output revolving shaft is connected with the input shaft of reducing gear 1.
3. reducing gear as claimed in claim 11, it is characterised in that：The input shaft of reducing gear 1 is connected with tested motor output shaft, and the output shaft of reducing gear 1 is connected with the output shaft of reducing gear 2.
4. reducing gear as claimed in claim 12, it is characterised in that：The input shaft of reducing gear 2 is connected with load motor output shaft, and the output shaft of reducing gear 2 is connected with the output shaft of reducing gear 1.
5. load motor as claimed in claim 1, it is characterised in that：Load motor has output revolving shaft, and motor output revolving shaft is connected with the input shaft of reducing gear 2；Load motor can be ac synchronous motor, DC brushless motor or brush direct current motor, and each phase control line of motor is directly shorted together.
6. the axle between motor as claimed in claim 1 and reducing gear connects pinboard, it is characterised in that：Motor and speed reducer structure is separately mounted to pinboard both sides, and pinboard is hollow design to facilitate motor output shaft to be connected with reducing gear input shaft, and this pinboard one end is connected with motor, and other end is connected with reducing gear.
7. the axle between reducing gear as claimed in claim 1 connects pinboard, it is characterised in that：Reducing gear is separately mounted to pinboard both sides, and pinboard is hollow design to facilitate the output shaft of reducing gear 1 to be connected with the output shaft of reducing gear 2, and this pinboard one end is connected with reducing gear 1, and other end is connected with reducing gear 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744440.2A CN106680709A (en) | 2015-11-05 | 2015-11-05 | Simple motor endurance load simulation device capable of being used for environment test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510744440.2A CN106680709A (en) | 2015-11-05 | 2015-11-05 | Simple motor endurance load simulation device capable of being used for environment test |
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| Publication Number | Publication Date |
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| CN106680709A true CN106680709A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510744440.2A Pending CN106680709A (en) | 2015-11-05 | 2015-11-05 | Simple motor endurance load simulation device capable of being used for environment test |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865770A (en) * | 2010-05-07 | 2010-10-20 | 武汉理工大学 | Large-torque and large-speed ratio mixing type speed reducer test device |
| CN201837711U (en) * | 2010-08-24 | 2011-05-18 | 上海奥波电子有限公司 | Test system for load performance of electric motor |
| CN202110257U (en) * | 2011-05-27 | 2012-01-11 | 北京配天大富精密机械有限公司 | Load simulation test equipment and control device |
| CN102323548A (en) * | 2011-05-27 | 2012-01-18 | 北京配天大富精密机械有限公司 | Load simulation test equipment, load simulation test method and control device |
-
2015
- 2015-11-05 CN CN201510744440.2A patent/CN106680709A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865770A (en) * | 2010-05-07 | 2010-10-20 | 武汉理工大学 | Large-torque and large-speed ratio mixing type speed reducer test device |
| CN201837711U (en) * | 2010-08-24 | 2011-05-18 | 上海奥波电子有限公司 | Test system for load performance of electric motor |
| CN202110257U (en) * | 2011-05-27 | 2012-01-11 | 北京配天大富精密机械有限公司 | Load simulation test equipment and control device |
| CN102323548A (en) * | 2011-05-27 | 2012-01-18 | 北京配天大富精密机械有限公司 | Load simulation test equipment, load simulation test method and control device |
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Application publication date: 20170517 |