CN203191158U - Portable dynamic balance tester - Google Patents
Portable dynamic balance tester Download PDFInfo
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- CN203191158U CN203191158U CN 201320141555 CN201320141555U CN203191158U CN 203191158 U CN203191158 U CN 203191158U CN 201320141555 CN201320141555 CN 201320141555 CN 201320141555 U CN201320141555 U CN 201320141555U CN 203191158 U CN203191158 U CN 203191158U
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- dynamic balance
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Abstract
The utility model discloses a portable dynamic balance tester, which comprises a portable computer, a measurement circuit unit, at least one accelerometer and at least one tachometer. The portable computer comprises a command input unit and a central processing unit electrically connected with the command input unit, wherein the command input unit is used for inputting control commands to the central processing unit, and the central processing unit is used for data processing; the measurement circuit unit is electrically connected with the central processing unit; the accelerometer is detachably connected with the measurement circuit unit and used for measuring vibration quantity of an object; and the tachometer is detachably connected with the measurement circuit unit and used for measuring rotating speed of a rotor. The tester has the advantages of small volume, convenience in carrying, and stable performance.
Description
Technical field
The utility model relates to the dynamic balancing measurement technical field, particularly a kind of portable dynamic balance measuring instrument.
Background technology
Traditional dynamic balance measuring instrument all is to measure to equipment or from the rotor that equipment removes unassembled, owing to all need to carry out test in batches, tester is generally all comparatively large-scale, is fixed on a place, can often not move.But for not needing rotor batch testing or that be not easy to disassemble, this traditional equipment just can't be tested and be difficult in other words test.In addition, traditional dynamic balance measuring instrument often all exists some problems on measuring accuracy and performance, makes it can not satisfy user's needs well.
In order can directly to test the rotor on the equipment, need badly want a kind of volume less, be convenient to the dynamic balance measuring instrument that moves and carry, but in smaller volume, also need its measuring accuracy and performance are improved, satisfy the user demand of user Geng Gao.
The utility model content
The purpose of this utility model is exactly at the problems referred to above, provide a kind of can volume little, be easy to carry, the portable dynamic balance measuring instrument of stable performance.
To achieve these goals, the utility model provides following technical scheme: portable dynamic balance measuring instrument, and it comprises:
Portable computer, it comprises command input unit and CPU (central processing unit), and this command input unit is electrically connected with this CPU (central processing unit), is used for to this CPU (central processing unit) input of control commands, and this CPU (central processing unit) is used for each parts is controlled;
The metering circuit unit, it is electrically connected with above-mentioned CPU (central processing unit);
At least one acceleration transducer, itself and above-mentioned metering circuit unit removably connect, and are used for the vibratory output of measurement target thing;
At least one velocity gauge, itself and above-mentioned metering circuit unit removably connect, and are used for the rotor speed of measurement target thing.
Further, above-mentioned command input unit is an input keyboard, and above-mentioned portable computer also comprises display unit, and it is electrically connected with above-mentioned CPU (central processing unit), is used for showing the result of this CPU (central processing unit).
Alternatively, above-mentioned command input unit is an interactive interface, and it also is used for showing the result of above-mentioned CPU (central processing unit).
Further, above-mentioned portable dynamic balance measuring instrument also comprises timing unit, and it is electrically connected with above-mentioned velocity gauge, is used for the rotation time of rotor is measured.
Further, above-mentioned acceleration transducer removably connects by connection and above-mentioned metering circuit unit, and this velocity gauge removably connects by connection and metering circuit unit.
Again further, above-mentioned connection by thunder not head be electrically connected with above-mentioned metering circuit unit.
Further, the pin number of the above-mentioned Lei Motou that is used for acceleration transducer is different from the pin number for the Lei Motou of velocity gauge.
Again further, above-mentioned acceleration transducer comprises the strong magnets for the contact target thing, and this strong magnets and above-mentioned connection removably connect; Above-mentioned velocity gauge comprises for the infrared inductor of responding near object, and this infrared inductor and above-mentioned connection removably connect.
Further, above-mentioned being detachably connected as is spirally connected and/or clamping.
Adopt the beneficial effect of above technical scheme to be:
Portable dynamic balance measuring instrument of the present utility model has comprised portable computer, metering circuit
Plate, and at least one acceleration transducer that removably connects with this metering circuit unit and at least one velocity gauge, can see from above-mentioned technical characterictic, the acceleration transducer that is used for measuring all is connected with the dismounting of metering circuit unit with velocity gauge, be convenient to after pulling down take in, volume is little, can put into objects such as chest with portable computer and metering circuit unit, being convenient to the user is carried into Anywhere, this portable computer also comprises command input unit and CPU (central processing unit), utilizing acceleration transducer directly to contact or come the vibratory output to the object rotor near object with velocity gauge is that centrifugal force and rotating speed are measured, become electric signal by the metering circuit cell translation then and transfer to calculating and the processing that CPU (central processing unit) is carried out data, can see that portable dynamic balance measuring instrument of the present utility model also guarantees measuring stability equally when obtaining above-mentioned portability.
Description of drawings
Fig. 1 is the structured flowchart of portable dynamic balance measuring instrument of the present utility model in embodiment 1.
Fig. 2 is the structured flowchart of portable dynamic balance measuring instrument of the present utility model in embodiment 2.
Embodiment
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, portable dynamic balance measuring instrument in the present embodiment comprises: portable computer, this portable computer comprises command input unit and CPU (central processing unit), this command input unit is electrically connected with this CPU (central processing unit), be used for to this CPU (central processing unit) input of control commands, as orders such as starting, stop, this CPU (central processing unit) then is used for each parts is controlled, and this portable computer also should comprise necessary parts such as shell, power supply; The metering circuit unit, it is electrically connected with CPU (central processing unit), and the metering circuit unit can be arranged at the outside and also can be integrated in the portable computer; Two acceleration transducers, itself and metering circuit unit removably connect, and are used for the vibratory output of measurement target thing, to obtain centrifugal force; A velocity gauge, it is same to removably connect with the metering circuit unit, for the rotor speed of measurement target thing.Acceleration transducer should be to be connected to carry out the input of measurement data with the data access port of metering circuit unit respectively with velocity gauge, their quantity should be determined according to quantity and the size of object, be one as the quantity of object and then need to be equipped with at least one velocity gauge, by that analogy, thinner thickness as object, then only needing to be equipped with an acceleration transducer gets final product, as thicker at least two acceleration transducers of outfit that then need, come the both ends of the surface of object rotor are measured respectively.
Above-mentioned command input unit is an input keyboard, carry out the input of order by the operation of keyboard, in addition, in the present embodiment, this portable computer also comprises display unit, it is electrically connected with CPU (central processing unit), is used for showing the result of CPU (central processing unit), also comprises the demonstration of processing procedure.
Above-mentioned portable dynamic balance measuring instrument also comprises timing unit, and it is electrically connected with velocity gauge, is used for the rotation time of rotor is measured.Timing unit is that the startup by velocity gauge starts simultaneously and self picks up counting, and it is synchronoused working with velocity gauge, and timing unit can be arranged at the outside and also can be integrated in the portable computer.
In the present embodiment, above-mentioned acceleration sensing implement body removably connects by connection and metering circuit unit, and velocity gauge also removably connects by connection and metering circuit unit.
And these connections be by thunder not the head be electrically connected with the metering circuit unit.The end of connection is inserted on Lei Motou, is linked on the data access port of metering circuit unit by Lei Motou again.Lei Motou can be so that the transmission of measurement data be more rapid and accurate.
In addition, the pin number that is used for the Lei Motou of acceleration transducer still is different from for the pin number of the Lei Motou of velocity gauge, the purpose of this design also is in order to play the effect of a fool proof, can prevent that the equipment that the operating personnel causes because of the wrong plug line from makeing mistakes.Certainly at different pin numbers, the data access port on the metering circuit unit also is to carry out the outfit of corresponding pin hole.
Above-mentioned acceleration transducer comprises the strong magnets for the contact target thing, and this strong magnets and connection removably connect, and connected mode can be for being spirally connected or clamping, be convenient to and connection between dismounting fast.
Velocity gauge comprises for the infrared inductor of responding near object, and this infrared inductor removably connects with above-mentioned connection, and connected mode equally can be for being spirally connected or clamping, be convenient to equally and connection between dismantle fast.
Use the dynamic balancing measurement method of above-mentioned portable dynamic balance measuring instrument may further comprise the steps in the present embodiment:
1) in degree of the will speed up inductor contact target thing with its rotor with respect to not kinetoplast on, simultaneously with velocity gauge near the zero-bit of rotor;
2) start object, rotor begins to rotate, and it is the centrifugal force of rotor that the acceleration induction device records the vibratory output of rotor in kinetoplast not, and velocity gauge records the rotating speed of rotor by induction;
3) acceleration induction device and velocity gauge are sent to the metering circuit unit with centrifugal force data and rotary speed data respectively, and the metering circuit cell translation becomes corresponding electric signal to input to CPU (central processing unit);
4) CPU (central processing unit) is calculated unbalance mass, and the non-equilibrium site of rotor by set program according to the centrifugal force data and the rotary speed data that record again.
Above-mentioned set program comprises the formula that calculates unbalance mass, and the method for calculating eccentric angle; The formula of described calculating unbalance mass, comprises: 1) F=mr ω
2=Me ω
2, 2) and mr=Me, 3) G=e * ω, wherein, F is centrifugal force, and m is unbalance mass,, and r is the rotor radius of object, and ω is the rotor speed of object, and M is the rotor deadweight of object, and e is eccentric throw, and G is balance level; The method of described calculating eccentric angle comprises: the rotor speed of the object that records is converted to by central processing unit rotate the needed time of every circle, each spends the needed time to change into rotation then, each is spent the needed time and obtains the rotational angle of rotor divided by described rotation with time of rotor actual rotation then, determines the unbalanced position of appearance by the zero-bit of rotor again according to rotational angle at last.
Embodiment 2
Other are identical with embodiment 1 described content, and difference is: as shown in Figure 2, above-mentioned command input unit is an interactive interface, and it also is used for showing the result of CPU (central processing unit).Namely need not to arrange command input unit, interactive interface can be finished the order input and show two kinds of functions.
Introduce the course of work of the present utility model below:
In degree of the will speed up inductor contact target thing with its rotor with respect to not kinetoplast on, simultaneously with velocity gauge near the zero-bit of rotor; Then, start object, rotor begins to rotate, and it is the centrifugal force of rotor that the acceleration induction device records the vibratory output of rotor in kinetoplast not, and velocity gauge records the rotating speed of rotor by induction; Then, acceleration induction device and velocity gauge are sent to the metering circuit unit with centrifugal force data and rotary speed data respectively, and the metering circuit cell translation becomes corresponding electric signal to input to CPU (central processing unit); At last, CPU (central processing unit) is calculated unbalance mass, and the non-equilibrium site of rotor by set program according to the centrifugal force data and the rotary speed data that record again.
The obtained beneficial effect of above-described embodiment is:
Portable dynamic balance measuring instrument of the present utility model has comprised portable computer, metering circuit
Plate, and at least one acceleration transducer that removably connects with this metering circuit unit and at least one velocity gauge, can see from above-mentioned technical characterictic, the acceleration transducer that is used for measuring all is connected with the dismounting of metering circuit unit with velocity gauge, be convenient to after pulling down take in, volume is little, can put into objects such as chest with portable computer and metering circuit unit, being convenient to the user is carried into Anywhere, this portable computer also comprises command input unit and CPU (central processing unit), utilizing acceleration transducer directly to contact or come the vibratory output to the object rotor near object with velocity gauge is that centrifugal force and rotating speed are measured, become electric signal by the metering circuit cell translation then and transfer to calculating and the processing that CPU (central processing unit) is carried out data, can see that portable dynamic balance measuring instrument of the present utility model also guarantees measuring stability equally when obtaining above-mentioned portability.
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 (9)
1. portable dynamic balance measuring instrument is characterized in that: comprising:
Portable computer, it comprises command input unit and CPU (central processing unit), described order input
The unit is electrically connected with described CPU (central processing unit), is used for to described CPU (central processing unit) input of control commands, and described CPU (central processing unit) is used for each parts is controlled;
The metering circuit unit, it is electrically connected with described CPU (central processing unit);
At least one acceleration transducer, itself and described metering circuit unit removably connect, and are used for the vibratory output of measurement target thing;
At least one velocity gauge, itself and described metering circuit unit removably connect, and are used for the rotor speed of measurement target thing.
2. portable dynamic balance measuring instrument according to claim 1, it is characterized in that: described command input unit is an input keyboard, described portable computer also comprises display unit, and it is electrically connected with described CPU (central processing unit), is used for showing the result of described CPU (central processing unit).
3. portable dynamic balance measuring instrument according to claim 1, it is characterized in that: described command input unit is an interactive interface, it also is used for showing the result of described CPU (central processing unit).
4. portable dynamic balance measuring instrument according to claim 1, it is characterized in that: also comprise timing unit, it is electrically connected with described velocity gauge, is used for the rotation time of rotor is measured.
5. portable dynamic balance measuring instrument according to claim 1, it is characterized in that: described acceleration transducer removably connects by connection and metering circuit unit, and described velocity gauge removably connects by connection and metering circuit unit.
6. portable dynamic balance measuring instrument according to claim 5 is characterized in that: described connection by thunder not head be electrically connected with described metering circuit unit.
7. portable dynamic balance measuring instrument according to claim 6 is characterized in that: the described thunder that the is used for acceleration transducer not pin number of head is different from for the described thunder of the velocity gauge pin number of head not.
8. portable dynamic balance measuring instrument according to claim 5, it is characterized in that: described acceleration transducer comprises the strong magnets for the contact target thing, described strong magnets and described connection removably connect; Described velocity gauge comprises the infrared inductor of responding to near object, and described infrared inductor and described connection removably connect.
9. portable dynamic balance measuring instrument according to claim 8, it is characterized in that: described being detachably connected as is spirally connected and/or clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141555 CN203191158U (en) | 2013-03-26 | 2013-03-26 | Portable dynamic balance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141555 CN203191158U (en) | 2013-03-26 | 2013-03-26 | Portable dynamic balance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203191158U true CN203191158U (en) | 2013-09-11 |
Family
ID=49108011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320141555 Expired - Fee Related CN203191158U (en) | 2013-03-26 | 2013-03-26 | Portable dynamic balance tester |
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| Country | Link |
|---|---|
| CN (1) | CN203191158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075847A (en) * | 2013-03-26 | 2014-10-01 | 苏州工业园区聚博精密设备有限公司 | Portable dynamic balance tester and dynamic balance test method by using same |
| US9664587B2 (en) | 2013-12-31 | 2017-05-30 | Shenyang Neusoft Medical Systems Co., Ltd. | Method and device for balancing CT gantry |
-
2013
- 2013-03-26 CN CN 201320141555 patent/CN203191158U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075847A (en) * | 2013-03-26 | 2014-10-01 | 苏州工业园区聚博精密设备有限公司 | Portable dynamic balance tester and dynamic balance test method by using same |
| CN104075847B (en) * | 2013-03-26 | 2017-02-08 | 苏州工业园区聚博精密设备有限公司 | Portable dynamic balance tester and dynamic balance test method by using same |
| US9664587B2 (en) | 2013-12-31 | 2017-05-30 | Shenyang Neusoft Medical Systems Co., Ltd. | Method and device for balancing CT gantry |
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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: 20200326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |