CN203191157U - Dynamic balance tester for fan - Google Patents
Dynamic balance tester for fan Download PDFInfo
- Publication number
- CN203191157U CN203191157U CN 201320153433 CN201320153433U CN203191157U CN 203191157 U CN203191157 U CN 203191157U CN 201320153433 CN201320153433 CN 201320153433 CN 201320153433 U CN201320153433 U CN 201320153433U CN 203191157 U CN203191157 U CN 203191157U
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- test platform
- dynamic balance
- support
- fan
- testing machine
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Abstract
The utility model discloses a dynamic balance tester for a fan. The dynamic balance tester tests the dynamic balance of the fan on a computer CPU and comprises a support, a test platform which is arranged on a support and where a plurality of screw holes and through holes are uniformly distributed, a swing rack mechanism arranged under the test platform and fixedly connected with the support, at least one accelerometer arranged on the test platform, at least one tachometer arranged on the support at one side of the test platform, and an electric controller respectively and electrically connected with the accelerometer and the tachometer to control the accelerometer and the tachometer. The dynamic balance tester is specifically used for testing the dynamic balance of the fan in high precision manner.
Description
Technical field
The utility model relates to the dynamic balancing measurement technical field, particularly a kind of fan dynamic balance testing machine.
Background technology
Cpu fan is a vitals on the computer CPU, and it comes CPU is dispelled the heat by blade rotation at a high speed, guarantees the operate as normal of CPU.Because CPU consequence in computer is therefore also just higher to the performance requirement of fan, particularly the balance quality of fan.
Traditional dynamic balance testing machine can be tested and calibrate the dynamic balance performance of cpu fan, but because these dynamic balance testing machines all are some general testing apparatuss, therefore its test to cpu fan can not be accomplished preferable level on precision, the not high result of use that also just must influence cpu fan of measuring accuracy, and then may the normal use of computer CPU be impacted.
Therefore, need badly and want a kind of dynamic balance testing machine that is specially adapted to the computer CPU fan, improve the precision to the cpu fan dynamic balancing measurement.
The utility model content
The purpose of this utility model is exactly at the problems referred to above, and a kind of computer CPU fan, fan dynamic balance testing machine that the dynamic balancing measurement precision is high of being exclusively used in is provided.
To achieve these goals, the utility model provides following technical scheme: the fan dynamic balance testing machine, be used for the fan on the computer CPU is carried out dynamically balanced test, and it comprises: support; Test platform, it is arranged on the support, is evenly equipped with a plurality of screws and a plurality of through hole on this test platform; Rocker mechanism, it is arranged under the test platform and with support fixedlys connected; At least one acceleration transducer, it is installed on the test platform; At least one velocity gauge, it is installed on the support, a side of test platform; Electric control gear, it is electrically connected with acceleration transducer and velocity gauge respectively, is used for acceleration transducer and velocity gauge are controlled.
Further, above-mentioned a plurality of through holes comprise first through hole that is arranged at test platform central authorities, and around equally distributed at least four second through holes of this first through hole.
Further, above-mentioned rocker mechanism comprises a pair of symmetry and the spring leaf that vertically arranges, and the one end is fixedlyed connected with test platform, the other end is fixedlyed connected with support.
Again further, offer through hole on the above-mentioned spring leaf.
Further, above-mentioned through hole is rectangular.
Alternatively, above-mentioned rocker mechanism comprises:
A pair of symmetry and first spring lever that vertically arranges, the one end is fixedlyed connected with test platform, the other end is fixedlyed connected with support;
Second spring lever of a pair of symmetry and horizontally set, the one end is fixedlyed connected with test platform, the other end and a pair of symmetry and the support that vertically is arranged on the support are fixedlyed connected.
Further, an end of the first above-mentioned spring lever is fixedly connected on a pair of relative first side subordinate on the test platform respectively; Another is to being symmetrical arranged the projection that oriented side extends on the test platform in the relative second side portion, and an end of second spring lever is fixedly connected on respectively on this projection.
Further, above-mentioned velocity gauge comprises bracing frame and is installed on radium-shine detector on this bracing frame, and this bracing frame is fixedlyed connected with support, and this radium-shine detector is electrically connected with electric control gear.
Adopt the beneficial effect of above technical scheme to be:
1) fan dynamic balance testing machine of the present utility model has mainly comprised test platform, rocker mechanism, acceleration transducer, velocity gauge and electric control gear etc., wherein, test platform is arranged on the support, be evenly equipped with a plurality of screws and a plurality of through hole on it, rocker mechanism is arranged under the test platform and with support fixedlys connected, acceleration transducer is installed on the test platform, velocity gauge is installed on the support, one side of test platform, electric control gear is electrically connected with acceleration transducer and velocity gauge respectively, uniform a plurality of through holes can be so that the air-out of fan when rotating on the test platform, reduce and block air-out to the interference of fan, uniform a plurality of through holes can be clamped fan from a plurality of positions, and can clamp the adjustment of position according to the size of fan, cooperate rocker mechanism, acceleration transducer, velocity gauge and electric control gear etc. can more be applicable to the test of cpu fan than prior art, thereby improve measuring accuracy further;
2) in the further embodiment of the utility model, this fan dynamic balance testing machine has also adopted radium-shine detector to be used as the part of velocity gauge, utilize radium-shine Characteristics of detector, no longer need all to adjust according to the difference of object the angle of bracing frame at every turn.
Description of drawings
Fig. 1 is the structural representation of fan dynamic balance testing machine of the present utility model depression angle in embodiment 1.
Fig. 2 be fan dynamic balance testing machine of the present utility model in embodiment 1 inner structure at the synoptic diagram of a side angle degree.
Fig. 3 be fan dynamic balance testing machine of the present utility model in embodiment 1 inner structure at the synoptic diagram (part) of opposite side angle.
Fig. 4 be fan dynamic balance testing machine of the present utility model in embodiment 2 inner structure at the synoptic diagram of a side angle degree.
Fig. 5 be fan dynamic balance testing machine of the present utility model in embodiment 2 inner structure at the synoptic diagram (part) of opposite side angle.
Wherein, 1. 3. rocker mechanisms of 24. second side portions of support 2. test platforms 211. first through holes 212. second through holes 22. screws 23. first side portions, 31. spring leafs, 311. through holes, 32. first spring levers, 33. second spring levers, 34. projections, 35. supports, 4. acceleration transducers, 5. velocity gauges, 51. radium-shine detector 52. bracing frames 61. CPU (central processing unit), 62. metering circuit unit.
Embodiment
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing.
As Figure 1-3, the fan dynamic balance testing machine in the present embodiment comprises: support 1; Test platform 2, it is arranged on the support 1, is evenly equipped with a plurality of screws 22 and a plurality of through hole on this test platform 2; Rocker mechanism 3, it is arranged at test platform 2 times and fixedlys connected with support 1; An acceleration transducer 4, it is installed on the test platform 2; A velocity gauge 5, it is installed on the support 1, a side of test platform 2; Electric control gear, it is electrically connected with acceleration transducer 4 and velocity gauge 5 respectively, is used for acceleration transducer 4 and velocity gauge 5 are controlled.
Above-mentioned velocity gauge 5 quantity in the present embodiment should determine according to the quantity of object, and being one as the quantity of object then needs to be equipped with at least one velocity gauge 5, and certainly corresponding parts also will increase, by that analogy.
As shown in Figure 1, above-mentioned a plurality of through holes comprise first through hole 1 that is arranged at test platform 2 central authorities, and around 1 equally distributed at least four second through hole 2 of this first through hole.
In order to adapt to the test of thinner fan, shown in Fig. 2-3, the rocker mechanism 3 in the present embodiment comprises a pair of symmetry and the spring leaf 31 that vertically arranges, and the one end is fixedlyed connected with test platform 2, the other end is fixedlyed connected with support 1.
As shown in Figure 3, offer through hole 311 on the above-mentioned spring leaf 31.
Continue as shown in Figure 3, above-mentioned through hole 311 is rectangular.
Shown in Fig. 2-3, above-mentioned velocity gauge 5 comprises bracing frame 52 and is installed on radium-shine detector 51 on this bracing frame 52, and this bracing frame 52 is fixedlyed connected with support 1, and this radium-shine detector 52 is electrically connected with electric control gear.
Above-mentioned electric control gear comprises CPU (central processing unit) 61 and metering circuit unit 62.
Introduce the course of work of the fan dynamic balance testing machine in the present embodiment below:
To include magnet ring, motor shell and on nail, the whole fan of flabellum etc. is put on the test platform 2, come fan is fixed by locking screw in a plurality of screws 22 on test platform, can insert external power source to fan and drive its rotation or also can be communicated with a source of the gas to drive its rotation by the mode of blowing this moment, in the rotation process, acceleration transducer 4 passes through the vibration induction of rocker mechanism 3 to vibratory output, velocity gauge 5 records the rotating speed of rotor simultaneously, acceleration transducer 4 and velocity gauge 5 are delivered to metering circuit unit 62 with the vibratory output that records and the data of rotating speed respectively, and metering circuit unit 62 becomes data-switching electric signal to be input to CPU (central processing unit) 61 to carry out next step data measuring and calculating again.Before test, also need rotor is carried out the demarcation of zero-bit, as stick methods such as a fluorescence labels.
Other are identical with embodiment 1 described content, difference is: shown in Fig. 4-5, in order to adapt to the test of thicker fan, the rocker mechanism 3 of this fan dynamic balance testing machine comprises: a pair of symmetry and first spring lever 32 that vertically arranges, and the one end is fixedlyed connected with test platform 2, the other end is fixedlyed connected with support 1; Second spring lever 33 of a pair of symmetry and horizontally set, the one end is fixedlyed connected with test platform 2, the other end and a pair of symmetry and the support 35 that vertically is arranged on the support are fixedlyed connected.
Continuation is shown in Fig. 4-5, and an end of the first above-mentioned spring lever 32 is fixedly connected on the test platform 2 a pair of relative first side portion respectively 23 times; Another end to projection 34, the second spring levers 33 that are symmetrical arranged oriented side in the relative second side portion 24 and extend is fixedly connected on respectively on this projection 34 on the test platform 2.In addition, the acceleration transducer in the present embodiment is two, is divided into the both sides of test platform 2.
Owing to be provided with many spring levers, its direction of vibration and amplitude are all more many and big than the rocker mechanism 3 of embodiment 1, and be therefore more suitable for the measurement of thicker fan.
The obtained beneficial effect of above-described embodiment is:
1) this fan dynamic balance testing machine has mainly comprised test platform, rocker mechanism, acceleration transducer, velocity gauge and electric control gear etc., wherein, test platform is arranged on the support, be evenly equipped with a plurality of screws and a plurality of through hole on it, rocker mechanism is arranged under the test platform and with support fixedlys connected, acceleration transducer is installed on the test platform, velocity gauge is installed on the support, one side of test platform, electric control gear is electrically connected with acceleration transducer and velocity gauge respectively, uniform a plurality of through holes can be so that the air-out of fan when rotating on the test platform, reduce and block air-out to the interference of fan, uniform a plurality of through holes can be clamped fan from a plurality of positions, and can clamp the adjustment of position according to the size of fan, cooperate rocker mechanism, acceleration transducer, velocity gauge and electric control gear etc. can more be applicable to the test of cpu fan than prior art, thereby improve measuring accuracy further;
2) this fan dynamic balance testing machine has also adopted radium-shine detector to be used as the part of velocity gauge, utilizes radium-shine Characteristics of detector, no longer needs all to adjust according to the difference of object the angle of bracing frame at every turn.
The utility model other NM contents are all can be learnt in the prior art, does not therefore repeat them here.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and this advances, these all belong to protection domain of the present utility model.
Claims (8)
1. the fan dynamic balance testing machine is used for the fan on the computer CPU is carried out dynamically balanced test, it is characterized in that: comprising:
Support;
Test platform, it is arranged on the described support, is evenly equipped with a plurality of screws and a plurality of through hole on the described test platform;
Rocker mechanism, it is arranged under the described test platform and with described support fixedlys connected;
At least one acceleration transducer, it is installed on the described test platform;
At least one velocity gauge, it is installed on the described support, a side of described test platform;
Electric control gear, it is electrically connected with described acceleration transducer and velocity gauge respectively, is used for described acceleration transducer and velocity gauge are controlled.
2. fan dynamic balance testing machine according to claim 1 is characterized in that: described a plurality of through holes comprise first through hole that is arranged at described test platform central authorities, and around equally distributed at least four second through holes of described first through hole.
3. fan dynamic balance testing machine according to claim 1 is characterized in that: described rocker mechanism comprises a pair of symmetry and the spring leaf that vertically arranges, and the one end is fixedlyed connected with described test platform, the other end is fixedlyed connected with described support.
4. fan dynamic balance testing machine according to claim 3 is characterized in that: offer through hole on the described spring leaf.
5. fan dynamic balance testing machine according to claim 4, it is characterized in that: described through hole is rectangular.
6. fan dynamic balance testing machine according to claim 1 is characterized in that: described rocker mechanism comprises:
A pair of symmetry and first spring lever that vertically arranges, the one end is fixedlyed connected with described test platform, the other end is fixedlyed connected with described support;
Second spring lever of a pair of symmetry and horizontally set, the one end is fixedlyed connected with described test platform, the other end and a pair of symmetry and the support that vertically is arranged on the described support are fixedlyed connected.
7. fan dynamic balance testing machine according to claim 6, it is characterized in that: an end of described first spring lever is fixedly connected on a pair of relative first side subordinate on the described test platform respectively; Another is to being symmetrical arranged the projection that oriented side extends on the described test platform in the relative second side portion, and an end of described second spring lever is fixedly connected on respectively on the described projection.
8. fan dynamic balance testing machine according to claim 1, it is characterized in that: described velocity gauge comprises bracing frame and is installed on radium-shine detector on the support frame as described above, support frame as described above is fixedlyed connected with described support, and described radium-shine detector is electrically connected with described electric control gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153433 CN203191157U (en) | 2013-03-29 | 2013-03-29 | Dynamic balance tester for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320153433 CN203191157U (en) | 2013-03-29 | 2013-03-29 | Dynamic balance tester for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191157U true CN203191157U (en) | 2013-09-11 |
Family
ID=49108010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320153433 Expired - Fee Related CN203191157U (en) | 2013-03-29 | 2013-03-29 | Dynamic balance tester for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203191157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483067A (en) * | 2014-12-20 | 2015-04-01 | 重庆凯特动力科技有限公司 | Measuring method of dynamic unbalance amount of fan |
| CN106438434A (en) * | 2016-11-29 | 2017-02-22 | 东莞永立电机有限公司 | Finished fan balance testing machine |
-
2013
- 2013-03-29 CN CN 201320153433 patent/CN203191157U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483067A (en) * | 2014-12-20 | 2015-04-01 | 重庆凯特动力科技有限公司 | Measuring method of dynamic unbalance amount of fan |
| CN106438434A (en) * | 2016-11-29 | 2017-02-22 | 东莞永立电机有限公司 | Finished fan balance testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |