CN105588999A - Adjustable load device used for air-conditioning compressor frequency conversion driving module - Google Patents
Adjustable load device used for air-conditioning compressor frequency conversion driving module Download PDFInfo
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- CN105588999A CN105588999A CN201610041877.4A CN201610041877A CN105588999A CN 105588999 A CN105588999 A CN 105588999A CN 201610041877 A CN201610041877 A CN 201610041877A CN 105588999 A CN105588999 A CN 105588999A
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- power
- resistance
- compressor
- frequency conversion
- air conditioner
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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
- G01R31/003—Environmental or reliability tests
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an adjustable load device used for an air-conditioning compressor frequency conversion driving module. The adjustable load device comprises an installation plate. A compressor motor and a power generator are respectively installed on two sides of the installation plate. A first belt pulley is installed on a first output shaft of the compressor motor, a second belt pulley is installed on a second output shaft of the compressor motor, the first belt pulley and the second belt pulley are connected through a triangular belt, and the triangular belt is kept tight. The compressor motor is electrically connected with the air-conditioning compressor frequency conversion driving module. The power generator is electrically connected with a power load network. According to the invention, an adjustable load can be rapidly provided to the air-conditioning compressor frequency conversion driving module, and the problem in the prior art that output power is restricted by indoor and outdoor temperatures in an air-conditioning compressor frequency conversion driving module experiment is solved.
Description
Technical field
The present invention relates to air-conditioning reliability test technical field of measurement and test, be specifically related to a kind of for compressor of air conditionerThe tunable load device of frequency conversion drive module.
Background technology
When the test of Frequency Conversion Compressor driver module, (Frequency Conversion Compressor driver module is embodied as at air-conditioningThe frequency-changeable compressor driver module research and development design first sample stage, a series of by applying high temperature, low temperature, vibration etc.Condition, observes the one test whether it can break down under these conditions), need to be by the steaming inside and outside air-conditioningHair device and condenser be as load, while test by this way, Frequency Conversion Compressor driver modulePower output is subject to the restriction of indoor and outdoor temperature, can not change continuously and reach peak power output, can not testClearancen modulation is the whether design objective of load capacity of driven compressor module frequently, and all needs before each experimentTo the online fluoridize that vacuumizes of machine inside and outside air-conditioning, efficiency is low, increases extra work amount.
Summary of the invention
The invention provides a kind of tunable load device for compressor of air conditioner frequency conversion drive module, thereby replaceThe evaporimeter of the inside and outside machine of air-conditioning and condenser, as load, without vacuumizing and fluoridize, make in process of the testThe power output of frequency-changeable compressor driver module is not subject to the restriction of indoor and outdoor temperature.
For achieving the above object, the present invention is by the following technical solutions:
For a tunable load device for compressor of air conditioner frequency conversion drive module, it comprises installing plate, described inThe both sides of installing plate are separately installed with compressor electric motor and generator, the first output shaft of described compressor electric motorOn the first belt pulley is installed, on the second output shaft of described generator, the second belt pulley is installed, describedBetween one belt pulley and the second belt pulley, connect by V-belt, and V-belt keeps tension, described pressureThe dynamo-electric machine that contracts is electrically connected with compressor of air conditioner frequency conversion drive module, on described generator, is electrically connected with power terminationNetwork.
Further technical scheme is, described power termination network is mainly by a single-chip microcomputer, a rotationEncoder, 12 solid-state relays and 12 power resistor compositions, described 12 solid-state relaysAnode parallel connection, and form power termination network input anode, the negative terminal of described 12 solid-state relays is respectivelyBe electrically connected with one end of 12 power resistors, the other end parallel connection of described 12 power resistors, and formPower termination network input negative terminal, described rotary encoder is electrically connected with single-chip microcomputer, on described single-chip microcomputer, arrangesHave 12 outputs, these 12 outputs are electrically connected with the input of 12 solid-state relays respectively.
Further technical scheme is, the first wire and the second wire are installed on described generator, described inGenerator is electrically connected with power termination network input negative terminal by the first wire, and described generator is led by secondLine is electrically connected with power termination network input anode.
Further technical scheme is, described 12 power resistors are respectively the first resistance R 1, the second electricityResistance R2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, theEight resistance R 8, the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11 and the 12 resistance R 12, described inThe power of the first resistance R 1 is 1W, and the power of the second resistance R 2 is 2W, and the power of the 3rd resistance R 3 is 2W, theThe power of four resistance R 4 is 5W, and the power of the 5th resistance R 5 is 10W, and the power of the 6th resistance R 6 is 20W, theThe power of seven resistance R 7 is 20W, and the power of the 8th resistance R 8 is 50W, and the power of the 9th resistance R 9 is 100W,The power of the tenth resistance R 10 is 200W, and the power of the 11 resistance R 11 is 200W, the merit of the 12 resistance R 12Rate is 500W.
Further technical scheme is, described power termination network also comprises a power meter, described powerTable is arranged on power termination network input anode.
Further technical scheme is, described compressor electric motor is provided with privates, privates andFive wires, described compressor electric motor is electrically connected by the W end of privates and compressor of air conditioner frequency conversion drive moduleConnect, described compressor electric motor is electrically connected with the V end of compressor of air conditioner frequency conversion drive module by privates, instituteStating compressor electric motor is electrically connected with the U end of compressor of air conditioner frequency conversion drive module by the 5th wire.
Further technical scheme is, described compressor electric motor is fixedly mounted on installation by the first fixed headOn plate, described generator is fixedly mounted on installing plate by the second fixed head.
Further technical scheme is. On described the first belt pulley, the first jump ring is installed, described the second skinBelt wheel is provided with the second jump ring.
Further technical scheme is, the diameter of described the first belt pulley and the second belt pulley is 10cm.
Further technical scheme is, the length of described V-belt is 737mm.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can provide a tunable load rapidly for Frequency Conversion Compressor driver module, solves orderWhen front Frequency Conversion Compressor driver module test, power output is subject to the problem of indoor and outdoor temperature restriction;
The present invention makes can cancel in test evaporimeter and the condenser of the inside and outside machine of air-conditioning, shortens the preparation before experimentTime, can make Frequency Conversion Compressor driver module output variable power fast, can its workability of complete detectionCan, improve test efficiency.
Brief description of the drawings
Fig. 1 is the tunable load device for compressor of air conditioner frequency conversion drive module of an embodiment of the present inventionStructural representation.
Fig. 2 is the circuit theory diagrams of power termination network in Fig. 1.
As shown in the figure, wherein the Reference numeral name of correspondence is called:
1 installing plate, 2 first fixed heads, 3 first output shafts, 4 first belt pulleys, 5 first jump rings, 6 V-belts, 7The second jump ring, 8 second belt pulleys, 9 the secondth output shafts, 10 second fixed heads, 11 generators, 12 compressions are dynamo-electricMachine, 13 first wires, 14 second wires, 15 power termination networks, 151 single-chip microcomputers, 152 rotary encoders, 153Power meter, 154 solid-state relays, 16 privates, 17 privates, 18 the 5th wires.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further elaborated.
As shown in Figure 1, a kind of tunable load device for compressor of air conditioner frequency conversion drive module, it comprisesInstalling plate 1, the both sides of installing plate 1 are separately installed with compressor electric motor 12 and generator 11, compressor electric motorOn the first output shaft 3 of 12, the first belt pulley 4 is installed, on the second output shaft 9 of generator 11, is provided withBetween the second belt pulley 8, the first belt pulleys 4 and the second belt pulley 8, connect by V-belt 6, and V-belt6 keep tension, and compressor electric motor 12 is electrically connected with compressor of air conditioner frequency conversion drive module, generator 11On be electrically connected with power termination network 15.
Compressor electric motor 12 is the stator in compressor of air conditioner and rotor to be taken out to processing again install one theOne output shaft 3.
Specific as follows, at the installing plate 1 of long 50cm, wide 20cm, thick 2cm, (preferably, installing plate 1 is steelPlate) left side process the screwed hole of four M8, the first fixed head 2 of position and compressor electric motor 12Four fixed vias are corresponding, with four long be that the M8 bolt, M8 plain cushion, M8 bullet pad of 2cm is by compressorMotor 12 is fixedly mounted on installing plate 1, processes four M8 screwed holes on the right side of installing plate 1, positionPut corresponding with four fixed vias of the second fixed head 10 of generator 11, with four long be the M8 of 2cmBolt, M8 plain cushion, M8 bullet pad are fixedly mounted on generator 11 on installing plate 1, compressor electric motor 12 withDistance between generator 11 just in time remains attached to the triangle between the first belt pulley 4 and the second belt pulley 8Be with 6 in tension.
The first belt pulley 4 is arranged on the first output shaft 3 of compressor electric motor 12, in order to prevent in operationThe phenomenon that middle generation the first belt pulley 4 comes off is just installed the first jump ring 5, by second on the first belt pulley 4Belt pulley 8 is arranged on generator 11, for the phenomenon that prevents that generation the second belt pulley 8 in service from coming off,The second jump ring 7 is just installed on the second belt pulley 8, in order to make the power transmission of compressor electric motor 12 to generatingOn machine 11, V-belt 6, the first belt pulleys 4 are just installed between the first belt pulley 4 and the second belt pulley 8With the diameter of the second belt pulley 8 be 10cm, the length of V-belt 6 is 737mm.
The first wire 13 and the second wire 14 are installed on generator 11, and generator 11 is by the first wire13 are electrically connected with power termination network input negative terminal, and generator 11 is by the second wire 14 and power termination netThe electrical connection of network input anode.
Compressor electric motor 12 is provided with privates 16, privates 17 and the 5th wire 18, and compression is dynamo-electricMachine 12 is electrically connected with the W end of compressor of air conditioner frequency conversion drive module by privates 16, compressor electric motor12 are electrically connected with the V end of compressor of air conditioner frequency conversion drive module by privates 17, compressor electric motor 12Be electrically connected with the U end of compressor of air conditioner frequency conversion drive module by the 5th wire.
Power termination network 15 as shown in Figure 2 mainly by a single-chip microcomputer 151, rotary encoder 152,154 and 12 power resistor compositions of 12 solid-state relays, the anode of 12 solid-state relays 154Parallel connection, and form power termination network input anode, the negative terminal of 12 solid-state relays 154 is respectively with tenOne end electrical connection of two power resistors, the other end parallel connection of 12 power resistors, and form power terminationNetwork input negative terminal, rotary encoder 152 is electrically connected with single-chip microcomputer 151, on single-chip microcomputer 151, is provided with tenTwo outputs, these 12 outputs are electrically connected with the input of 12 solid-state relays 154 respectively,12 power resistors be respectively the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4,The 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth electricityThe power of resistance R10, the 11 resistance R the 11 and the 12 resistance R 12, the first resistance R 1 is 1W, the second electricityThe power of resistance R2 is 2W, and the power of the 3rd resistance R 3 is 2W, and the power of the 4th resistance R 4 is 5W, the 5thThe power of resistance R 5 is 10W, and the power of the 6th resistance R 6 is 20W, and the power of the 7th resistance R 7 is 20W,The power of the 8th resistance R 8 is 50W, and the power of the 9th resistance R 9 is 100W, the power of the tenth resistance R 10For 200W, the power of the 11 resistance R 11 is 200W, and the power of the 12 resistance R 12 is 500W.
Power termination network 15 also comprises a power meter 153, and power meter 153 is arranged on power termination networkInput anode.
154 and 12 power resistors of 12 solid-state relays can be by different combinations, therebyThe consumed power that makes power termination network 15 changes between from 1W to 1110W, solid-state relay 154 forThe power ratio control size of exporting according to single-chip microcomputer 151 is carried out conducting or shutoff, makes power resistor synthetic requiredConsumed power; Power consumption resistance is for consuming the power of Frequency Conversion Compressor driver module output; RevolveTurn encoder 152 for by left rotation and right rotation, input Modulating Power instruction to single-chip microcomputer 151; Single-chip microcomputer 151For receiving the input instruction of rotary encoder 152, control 12 solid-state relays 154 by different groupsClose conducting or shutoff and make the conducting of power consumption resistance, thereby reach needed consumed power; Power meter 153For monitoring the consumed power of power termination network 15.
Operation principle of the present invention is as follows:
In test by three output U, V of Frequency Conversion Compressor driver module, W respectively with compressorThe 5th wire 18, privates 17 and privates 16 correspondences on motor 12 are connected, thereby make compressorMotor 12 is worked, and compressor electric motor 12 drives the first belt pulley 4 to rotate, due to the first belt pulley 4 andTwo belt pulleys 8 connect by V-belt 6, thus at this moment just can drive the second belt pulley 8 to rotate, therebyGenerator 11 is worked, produce output voltage, generator 11 is by the first wire 13 and the second wire 14Be electrically connected with power termination network input negative terminal and power termination network input anode respectively, then by changingThe size of power termination network 15, just can change the load of Frequency Conversion Compressor driver module, because meritRate laod network 15 is the power outputs that consume Frequency Conversion Compressor driver module, and Frequency Conversion Compressor drivesDynamic model piece is inductive load, and in order not change its output characteristics and the accuracy that affects test result, spy is by formerSome compressors, through being processed into compressor electric motor 12, rotating compressor electric motor 12 and drive generator 11,Generator 11 output access power laod networks 15, for example, the power of increasing power laod network 15,Generator 11 will produce a larger resistance, and this resistance is by the after-applied sky of giving of compressor electric motor 12Modulation is driven compressor module frequently, and its power output is increased. So, by changing power termination network 15The size load that just can change Frequency Conversion Compressor driver module (for example, make air-conditioning frequency conversion compressionThe power output of machine driver module is 500W, only needs the rotary encoder 152, in regulating power laod networkLimit regulates on one side and observes power meter 153, in the time that the show value of power meter 153 is 500W, and air-conditioning frequency conversion compressionThe power output of machine driver module just reaches 500W).
In sum, in the test of Frequency Conversion Compressor driver module, by rotary encoder 152, just canWith convenient, in the short time, change the load of Frequency Conversion Compressor driver module, thereby make air-conditioning frequency conversionDriven compressor module can be operated under different capacity pattern.
Above detailed description of the invention is elaborated to essence of the present invention, but can not be to guarantor of the present inventionThe scope of protecting limits, apparently, under enlightenment of the present invention, the art those of ordinary skillCan also carry out many improvement and modification, it should be noted that these improvement and modification all drop on of the present inventionWithin claim protection domain.
Claims (10)
1. for a tunable load device for compressor of air conditioner frequency conversion drive module, it is characterized in that, it comprisesInstalling plate (1), the both sides of described installing plate (1) are separately installed with compressor electric motor (12) and generatingMachine (11), is provided with the first belt pulley on first output shaft (3) of described compressor electric motor (12)(4), on second output shaft (9) of described generator (11), the second belt pulley (8) is installed, instituteState between the first belt pulley (4) and the second belt pulley (8) and connect by V-belt (6), and triangleBand (6) keeps tension, described compressor electric motor (12) and compressor of air conditioner frequency conversion drive moduleElectrical connection, is electrically connected with power termination network (15) on described generator (11).
2. the tunable load device for compressor of air conditioner frequency conversion drive module according to claim 1, itsBe characterised in that, described power termination network (15) is mainly by a single-chip microcomputer (151), a rotationEncoder (152), 12 solid-state relays (154) and 12 power resistor compositions, described tenThe anode parallel connection of two solid-state relays (154), and form power termination network input anode, described inThe negative terminal of 12 solid-state relays (154) is electrically connected with one end of 12 power resistors respectively, instituteState the other end parallel connection of 12 power resistors, and form power termination network input negative terminal, described in revolveTurn encoder (152) and be electrically connected with single-chip microcomputer (151), described single-chip microcomputer is provided with ten on (151)Two outputs, these 12 outputs respectively with the input electricity of 12 solid-state relays (154)Connect.
3. the tunable load device of compressor of air conditioner frequency conversion drive module according to claim 2, its featureBe, the first wire (13) and the second wire (14) are installed on described generator (11), described inGenerator (11) is electrically connected with power termination network input negative terminal by the first wire (13), described inGenerator (11) is electrically connected with power termination network input anode by the second wire (14).
4. the tunable load device of compressor of air conditioner frequency conversion drive module according to claim 2, its featureBe, described 12 power resistors are respectively the first resistance R 1, the second resistance R 2, the 3rd resistanceR3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8,The 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11 and the 12 resistance R 12, describedThe power of one resistance R 1 is 1W, and the power of the second resistance R 2 is 2W, and the power of the 3rd resistance R 3 is2W, the power of the 4th resistance R 4 is 5W, the power of the 5th resistance R 5 is 10W, the 6th resistance R 6Power is 20W, and the power of the 7th resistance R 7 is 20W, and the power of the 8th resistance R 8 is 50W, the 9thThe power of resistance R 9 is 100W, and the power of the tenth resistance R 10 is 200W, the 11 resistance R 11Power is 200W, and the power of the 12 resistance R 12 is 500W.
5. the tunable load device of compressor of air conditioner frequency conversion drive module according to claim 2, its featureBe, described power termination network (15) also comprises a power meter (153), described power meter (153)Be arranged on power termination network input anode.
6. the tunable load device for compressor of air conditioner frequency conversion drive module according to claim 1, itsBe characterised in that, described compressor electric motor (12) is provided with privates (16), privates (17)With the 5th wire (18), described compressor electric motor (12) is by privates (16) and air conditioner compressedThe W end electrical connection of machine frequency conversion drive module, described compressor electric motor (12) is by privates (17)Be electrically connected with the V end of compressor of air conditioner frequency conversion drive module, described compressor electric motor (12) passes through theFive wires (18) are electrically connected with the U end of compressor of air conditioner frequency conversion drive module.
7. the tunable load device for compressor of air conditioner frequency conversion drive module according to claim 1, itsBe characterised in that, described compressor electric motor (12) is fixedly mounted on installing plate by the first fixed head (2)(1) upper, described generator (11) is fixedly mounted on installing plate (1) by the second fixed head (10)On.
8. the tunable load device for compressor of air conditioner frequency conversion drive module according to claim 1, itsBe characterised in that, the first jump ring (5) is installed on described the first belt pulley (4), described the second belt pulley(8) the second jump ring (7) is installed.
9. according to the tunable load device for compressor of air conditioner frequency conversion drive module described in claim 1 or 8,It is characterized in that, the diameter of described the first belt pulley (4) and the second belt pulley (8) is 10cm.
10. the tunable load device for compressor of air conditioner frequency conversion drive module according to claim 1,It is characterized in that, the length of described V-belt (6) is 737mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041877.4A CN105588999B (en) | 2016-01-21 | 2016-01-21 | Tunable load device for compressor of air conditioner frequency conversion drive module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610041877.4A CN105588999B (en) | 2016-01-21 | 2016-01-21 | Tunable load device for compressor of air conditioner frequency conversion drive module |
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| CN105588999A true CN105588999A (en) | 2016-05-18 |
| CN105588999B CN105588999B (en) | 2018-10-19 |
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Cited By (3)
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| CN108919115A (en) * | 2018-05-15 | 2018-11-30 | 中国航发湖南动力机械研究所 | adjustable resistance load, loading system and loading method |
| CN109541465A (en) * | 2018-12-07 | 2019-03-29 | 麒盛科技股份有限公司 | A kind of intelligent bed emulation test system |
| CN110488705A (en) * | 2019-08-22 | 2019-11-22 | 四川长虹电器股份有限公司 | The method for triggering identification rotary coding switch based on global interrupt |
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| CN105588999B (en) | 2018-10-19 |
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