CN106772026A - It is a kind of to can be used for the motor dynamics load simulating device of environmental test - Google Patents
It is a kind of to can be used for the motor dynamics load simulating device of environmental test Download PDFInfo
- Publication number
- CN106772026A CN106772026A CN201510807792.8A CN201510807792A CN106772026A CN 106772026 A CN106772026 A CN 106772026A CN 201510807792 A CN201510807792 A CN 201510807792A CN 106772026 A CN106772026 A CN 106772026A
- Authority
- CN
- China
- Prior art keywords
- motor
- reducing gear
- load
- pinboard
- output shaft
- 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
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
Present invention offer is a kind of to can be used for the motor dynamics load simulating device of environmental test.Mainly include：The modules such as axle connection pinboard, resistive load between tested motor, reducing gear 1, reducing gear 2, axle connection pinboard, reducing gear between load motor, motor and reducing gear.The present invention is converted into electric energy by by the rotation function of tested motor, and directly act on load motor with reverse drive load motor this electric energy, resistance is formed to tested motor while consuming electric energy, the resistive load resistance being connected with load motor control line by adjustment, can easily reach the purpose for changing motor simulation load；It is of the invention main using mechanical structure composition, load simulator follows tested motor to rotate, it is high without dynamometer machine, simple structure, good environmental adaptability, reliability, solve the problem of the durable fictitious load design in the case of the durable fictitious load of motor particularly environmental test.
Description
Art
The present invention relates to dynamometer machine, motor load technical field, more particularly to a kind of can be used for the motor dynamics load simulating device of 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 realization principle also has various.But all there is expensive, complex operation, bulky.The shortcomings of operating environment requirements are high.Energy consumption as the load of motor long duration test is not only continued 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 the environmental tests such as high/low temperature are done together with motor.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 dynamic load simulating device for many deficiencies of current motor long duration test load.
It is that present invention proposition is a kind of to can be used for the motor dynamics load simulating device of environmental test up to above-mentioned purpose.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 motor two-phase control line links together with the input of resistive load respectively；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；Resistive load, the input of the resistive load is connected with each phase driver circuit of load motor, and resistive load can be fixed resister, slide rheostat, adjustable electronic load etc..
One or more module in the present invention can enter line parameter solidification, carry out modularized design；The parameter that one of module need to only be changed for different testing of electric motors just can meet requirement.This design greatly increased adaptability of the invention and portability.
The present invention is beneficial to be had the technical effect that：Because fictitious load need not additionally be driven using mechanical device and motor and resistive load composition, and load motor, load can be adjusted easily within the specific limits, and mechanism loading can put environmental test chamber into and be tested together with tested motor.So the present invention has the advantages that simple structure, small volume, low cost, reliability be high, environmental suitability is strong.
Brief description of the drawings
Fig. 1：The dynamic durable load simulating device Specification For Structure accompanying drawing of simple motor.
Specific embodiment
Below according to embodiments of the invention are described exemplifying drawings 1 Suo Shi in detail, the example of the embodiment 1 shows in the accompanying drawings, wherein same or similar label represents same or similar element or the element with same or like function from start to finish.Embodiment below with reference to Description of Drawings is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
In the description of the invention, unless otherwise prescribed and limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanically connecting or electrical connection, or two connections of element internal, 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 brief 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 represent 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 that fall into the range of the spiritual 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, the pinboard 1 be hollow design to facilitate tested motor output shaft to be connected with the input shaft of reducing gear 1, 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 of reducing gear 1 is defined for m compares 1, tested motor rotating speed is Vin.It is Vin/m then to have the output speed of reducing gear 1.
As shown in No. 4 modules in accompanying drawing 1：No. 4 modules are the axle connection pinboard between reducing gear, the pinboard be hollow design to facilitate the output shaft of reducing gear 1 to be connected with the output shaft of reducing gear 2, 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 as a speed increasing mechanism at this moment；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 of reducing gear 2 is defined for n compares 1, 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, the pinboard 2 be hollow design to facilitate load motor output shaft to be connected with the input shaft of reducing gear 2, 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 uses 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 voltage is produced to be directly proportional to the rotating speed of load motor, now load motor is brush direct current motor, motor two-phase control line links together with the input of resistive load respectively, the voltage part that load motor passively rotates generation is converted to thermal energy consumption and falls by load resistance, another part enters machine winding further through motor control line, and drag effect opposite to the direction of rotation is produced to motor；By adjusting the resistance of load resistance, can easily change the resistance of load motor, also just change the fictitious load of tested motor.This design can make tested motor be operated in the different torsion output services points under same speed conditions, the same torque output point under different rotating speeds can also be operated in, if the resistive load that apparatus of the present invention are connect is program-control electronic load, automatically this motor working curve can be simulated in its power tolerance range, programming carries out automation durable test after finishing without manual intervention.When tested motor does environment long duration test, during module in apparatus of the present invention in addition to resistive load can put environmental test chamber into tested motor, resistive load places the caloric value for greatly reducing load motor at room temperature, improves the system reliability of apparatus of the present invention.
Above is 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.Long duration test operating point according to tested motor is required, can just be accomplished the end in view by the simple combination to reducing gear speed reducing ratio m, n and load motor parameter.After m and n is fixed, dynamic fictitious load just can be in a wide range realized by adjusting resistive load, will be further illustrated with a specific example below.
This example tested motor is three-phase direct-current brushless motor, rated voltage 12V, rated current 30A, 3000 revs/min of rated speed；The speed ratio of reducing gear 1 is 30 to 1, the speed of reducing gear 2 is than being 50 to 1；Load motor is brush direct current motor, rated voltage 24V, rated current 25A, 5000 revs/min of rated speed.In the case of this parameter, when tested motor rotary rpm is 3000 revs/min, the rotary rpm of load motor is 5000 revs/min.Now, if load resistor value is 0, tested motor maximum drive current is up to 40A；With the increase of load resistor value, tested motor driving current reduces；The resistance of resistive load is adjusted, tested motor can be made to be operated in 3000 revs/min of 3A~3000 rev/min 40A continuously adjustabes.If load uses controllable electronic load, can control to make motor be operated in different operating points and the automatic switchover in durability experiment by software.
Motor load analogue means according to embodiments of the present invention is rotated with tested motor, electric machine operation state, high without dynamometer machine, simple structure, good environmental adaptability, reliability can be adjusted simply by the resistance of adjustment resistive load, solve the problem of the durable fictitious load design in the case of the durable fictitious load of motor particularly environmental test.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 are described with reference to the embodiment or example are contained at least one embodiment of the invention or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure or feature can in an appropriate manner be combined in one or more any 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, should all 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 (8)
1. it is a kind of to can be used for the motor dynamics load simulating device of environmental test, it is characterised in that including such as lower module composition：The modules such as axle connection pinboard, resistive load 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 is brush direct current motor, and motor two-phase control line links together with the input of resistive load respectively.
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, pinboard be hollow design to facilitate motor output shaft to be connected with reducing gear input shaft, 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, pinboard be hollow design to facilitate the output shaft of reducing gear 1 to be connected with the output shaft of reducing gear 2, this pinboard one end is connected with reducing gear 1, and other end is connected with reducing gear 2.
8. resistive load as claimed in claim 1, it is characterised in that：
The input of resistive load is connected with each phase driver circuit of load motor, and resistive load can be fixed resister, slide rheostat, adjustable electronic load etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807792.8A CN106772026A (en) | 2015-11-20 | 2015-11-20 | It is a kind of to can be used for the motor dynamics load simulating device of environmental test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807792.8A CN106772026A (en) | 2015-11-20 | 2015-11-20 | It is a kind of to can be used for the motor dynamics load simulating device of environmental test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772026A true CN106772026A (en) | 2017-05-31 |
Family
ID=58885053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510807792.8A Pending CN106772026A (en) | 2015-11-20 | 2015-11-20 | It is a kind of to can be used for the motor dynamics load simulating device of environmental test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106772026A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550313A (en) * | 2018-03-05 | 2018-09-18 | 北京航空航天大学 | Hollow spindle formula electrohydraulic load simulator |
Citations (5)
| 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 |
| CN102073011A (en) * | 2009-11-19 | 2011-05-25 | 上海万德风力发电股份有限公司 | Testing system of large permanent magnet direct drive wind driven generator |
| 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 |
| CN103792853A (en) * | 2014-02-11 | 2014-05-14 | 哈尔滨工程大学 | Marine propeller dynamic load simulator |
-
2015
- 2015-11-20 CN CN201510807792.8A patent/CN106772026A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073011A (en) * | 2009-11-19 | 2011-05-25 | 上海万德风力发电股份有限公司 | Testing system of large permanent magnet direct drive wind driven generator |
| 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 |
| 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 |
| CN103792853A (en) * | 2014-02-11 | 2014-05-14 | 哈尔滨工程大学 | Marine propeller dynamic load simulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550313A (en) * | 2018-03-05 | 2018-09-18 | 北京航空航天大学 | Hollow spindle formula electrohydraulic load simulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103048620B (en) | Method for measuring parameters of direct-current brushless motor | |
| CN101261190B (en) | Hybrid power automobile controller life-span test system and test method | |
| CN203720327U (en) | Test system for servo motor | |
| CN103235259A (en) | Experimental dynamic loading device for variable frequency motors and stimulating method | |
| CN207231801U (en) | A kind of steering engine simulation loading mechanism | |
| CN102545746A (en) | Novel speed regulator for automotive air conditioner fan and working method thereof | |
| CN100514835C (en) | Synchronous generator and method for constructing mutual feedback system of synchronous motor | |
| CN104793138A (en) | Servo motor test bench | |
| CN201867477U (en) | Novel testing table stand for hybrid power motor | |
| CN201193984Y (en) | Hybrid powered automobile controller life test system | |
| CN106772026A (en) | It is a kind of to can be used for the motor dynamics load simulating device of environmental test | |
| CN104007358A (en) | Diagnosis method and system for short circuit fault of permanent magnet synchronous motor driving system of electric car | |
| EP1755210A1 (en) | Device simulating operation of a machine that functions as either a motor or a generator | |
| CN203984286U (en) | A kind of motor position sensor zero-bit automatic learning system | |
| CN207114730U (en) | Generator and the dual-purpose test device of motor | |
| CN202649344U (en) | Base station cabinet fan detection device | |
| Yajun et al. | A design of elevator positioning control system model | |
| CN205910323U (en) | Traction electric machine test platform | |
| CN202853913U (en) | Wind generating set electric variable pitch system loading test bench | |
| CN110568774B (en) | Motor power level semi-physical simulator | |
| CN207239219U (en) | A kind of lithium electricity Rechargeable electronic torsion adjusts electric drill | |
| CN106680709A (en) | Simple motor endurance load simulation device capable of being used for environment test | |
| CN107727422A (en) | A kind of high-power wind mill dynamic simulation experiment system | |
| CN203414576U (en) | Dynamic load apparatus for testing variable frequency motor | |
| CN202488390U (en) | Novel automobile air-conditioning fan speed regulator |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |