CN206161208U - Pump body torsion -testing system - Google Patents
Pump body torsion -testing system Download PDFInfo
- Publication number
- CN206161208U CN206161208U CN201620923549.2U CN201620923549U CN206161208U CN 206161208 U CN206161208 U CN 206161208U CN 201620923549 U CN201620923549 U CN 201620923549U CN 206161208 U CN206161208 U CN 206161208U
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- Prior art keywords
- sensor
- drive circuit
- torsion
- lifting
- controller
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Abstract
The utility model provides a pump body torsion -testing system that is used for the detection pump body smooth and easy nature that operates. The system includes: sensor, elevator motor, rotating electrical machines and controlling means, the sensor is used for measuring the moment of torsion of the pump body, elevator motor is used for driving the sensor, and this elevator motor is servo motor, it is rotatory that the rotating electrical machines is used for driving the sensor, and controlling means is used for control elevator motor with the rotating electrical machines to the drive sensor is realized the test of the moment of torsion of the pump body. According to the utility model discloses a scheme can prevent that the sensor is wounded.
Description
Technical field
The utility model is related to observation and control technology field, more particularly to a kind of pump housing Torque Measuring System.
Background technology
Used as the core component of compressor of air conditioner, its quality directly affects the quality of compressor to the pump housing.Wherein, pump housing fortune
The smoothness for turning is the emphasis detection project in pump housing Quality Control link.In the detecting and controlling system of existing pump housing smooth movements
In, stepper motor is controlled by controller and realizes lifting, and control servomotor realization rotation.But in the detecting and controlling system
In, due to stepper motor cannot Real-time Feedback sensor gauge head current location, accordingly, there exist the hidden danger of sensor of wounding.
Utility model content
In view of this, the purpose of this utility model is to provide the pump housing moment of torsion in a kind of detection for pump housing smooth movements
Test system, is prevented from sensor wounded.
The utility model provides a kind of pump housing Torque Measuring System for detecting pump housing smooth movements, including：Sensing
Device, lifting motor, electric rotating machine and control device；The sensor is used to measure the moment of torsion of the pump housing；The lifting electricity
Machine is used to drive sensor to lift, and the lifting motor is servomotor；The electric rotating machine is used to drive sensor rotation；And
The control device is used to control the lifting motor and the electric rotating machine, to drive sensor to realize the moment of torsion of the pump housing
Test.
Further, the electric rotating machine is servomotor.
Further, the control device includes lifting drive circuit and controller；
The first drive signal of the controller control lifting drive circuit output so that the sensor is not with synchronized
Degree segmentation drops to the test point of the pump housing；
The lifting drive circuit output lifting drive signal, drives lifting motor to drive sensor to carry out elevating movement；
The controller control is described to lift the corresponding drive signal of drive circuit output.
Further, the controller includes the first locating module, and by first locating module, the controller will rise
The direction of motion, movement velocity and the move distance for dropping motor sends the lifting drive circuit to.
Further, the control device further includes torsion drive circuit；
The controller controls the torsion drive circuit and exports the second drive signal so that the sensor is in test rotation
Position rotating is first carried out before turning；
The torsion drive circuit outputting torsion drive signal, drives lifting motor to drive sensor to be rotated；
The controller controls the torsion drive circuit and exports corresponding drive signal.
Further, the control device further includes alarm, if repetition measurement result is still unqualified, the control
Device processed controls the alarm equipment alarm.
Further, after the completion of test, the controller control lifting drive circuit and the output of torsion drive circuit are driven
Dynamic signal, drives the sensor to be returned to the startup position before test.
According to such scheme of the present utility model, lifting and the rotation of sensor are driven with servomotor, can be realized
Real-time, the precise control for sensor being lifted and being rotated.And sensor is segmented when declining and carries out, and is first dropped to higher speed close
At the pump housing, then to drop to test point compared with low speed, and further, position rotating is first carried out before rotary test, for finding
Measuring point simultaneously makes oily more uniform in the pump housing, and further, sensor is returned to home position after test, every so as to ensure
It is secondary to test identical starting point.By such scheme, the utility model can realize that the lifting to sensor is precisely controlled with rotation
System, and can Real-time Feedback sensor position, so as to ensure sensor of not wounding.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 shows the structured flowchart of the pump housing Torque Measuring System according to the preferred embodiment of the utility model one.
Fig. 2 shows the structured flowchart according to control device described in the utility model.
Fig. 3 is the lifting drive circuit according to being connected with lifting motor of the preferred embodiment of the utility model one
Circuit block diagram.
Fig. 4 is according to the torsion drive circuit described in being connected with electric rotating machine of the preferred embodiment of the utility model one
Circuit block diagram.
Fig. 5 shows the circuit block diagram according to controller described in the utility model.
Fig. 6 shows the flow chart of the control method according to pump housing Torque Measuring System described in the utility model.
Specific embodiment
It is concrete below in conjunction with the utility model to make the purpose of this utility model, technical scheme and advantage clearer
Embodiment and corresponding accompanying drawing are clearly and completely described to technical solutions of the utility model.Obviously, described embodiment
Only it is a part of embodiment of the utility model, rather than the embodiment of whole.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model
The scope of protection.
Combine Fig. 1 first to describe according to the pump housing torsion-testing system for detecting pump housing smooth movements of the present utility model
System.Fig. 1 shows the structured flowchart of the pump housing Torque Measuring System according to the preferred embodiment of the utility model one.Such as Fig. 1
Shown, the pump housing Torque Measuring System includes：Sensor 1, lifting motor 2, electric rotating machine 3 and control device 4.The biography
Sensor 1 is used to measure the moment of torsion of the pump housing.The lifting motor 2 is used to drive sensor 1 to lift, and the electric rotating machine 3 is used
In driving sensor 1 to rotate, the lifting motor 2 and electric rotating machine 3 are servomotor.The control device 4 is used to control
The lifting motor 2 and the electric rotating machine 3, to drive sensor 1 to realize the test of the moment of torsion of the pump housing.The sensor
1, for example, realize gauge head of the test of pump housing moment of torsion etc..Thus, by using the lifting of sensor described in Serve Motor Control,
Real-time Feedback can be carried out to the position of the sensor and realize precise control, so as to avoid wounding for sensor.
Describe according to the control device 4 of the present utility model below in conjunction with Fig. 2-5.Fig. 2 shows new according to this practicality
The structured flowchart of the control device described in type.As shown in Fig. 2 the control device includes that lifting drive circuit 41, torsion drives
Circuit 42 and controller 43.The lifting drive circuit 41 output lifting drive signal, drives lifting motor to drive sensor 1
Carry out elevating movement.And the outputting torsion drive signal of the torsion drive circuit 42, drives lifting motor to drive sensor 1 to enter
Row rotary motion.The controller 43 controls the lifting drive circuit 41 and torsion drive circuit 42 exports corresponding driving and believes
Number.
Wherein, the controller 43 controls the lifting drive circuit 41 and exports the first drive signal so that the sensing
Device 1 drops to the test point of the pump housing with friction speed segmentation.Specifically, the controller 43 controls the lifting drive circuit 41
First drive signal of output includes fast driving signal so that the sensor 1 declines the near the pump housing with First Speed
One precalculated position, and drive signal at a slow speed so that the sensor 1 is from first precalculated position with the less than First Speed
Two speed drop to the test point of the pump housing.First precalculated position can be configured according to the needs of test, for example
It is the position of the bent axle top about 5mm apart from the pump housing.
According to such scheme of the present utility model, by with the decline of friction speed Discrete control lifting motor so that energy
Enough prevent sensor from wounding, so as to improve the degree of accuracy of test.
Further, the controller 43 controls the lifting drive circuit 41 output fast driving signal so that described
When sensor 1 drops to first precalculated position with First Speed, the lifting drive circuit 41 sends the first feedback signal
To controller 43；And the controller 43 exports the drive signal at a slow speed in control lifting drive circuit 41 so that described
When sensor 1 drops to the test point of the pump housing with the second speed less than First Speed from first precalculated position, institute
State lifting drive circuit 41 transmission second and feed back signal to controller 43.Wherein, the controller 43 includes the first locating module
431, by first locating module 431, the controller 43 by the direction of motion of lifting motor 2, movement velocity and motion away from
From send to it is described lifting drive circuit 41 so that it is described lifting drive circuit 41 drive sensor movement to described first make a reservation for
Position simultaneously moves further into test point, and by the way that drive circuit 41 is lifted described in first locating module 431 by first, second
Feedback signal is sent to controller 43.
The controller 43 further controls the torsion drive circuit 42 and exports the second drive signal so that the sensing
Device 1 first carries out before testing position rotating.Specifically, the controller 43 controls the second of the output of torsion drive circuit 42
Drive signal includes position drive signal so that the rotational positioning first of the sensor 1 is to the second precalculated position, and rotation is driven
Dynamic signal so that the sensor 1 carries out test rotation, for example, rotate a circle to realize torsion-testing.Second pre-determined bit
Put, for example, the bent axle skewed slot of the pump housing.Thus then cause oily more uniform in the pump housing.
Further, the controller 43 controls the output of torsion drive circuit 42 position drive signal so that described
When sensor 1 rotates to second precalculated position, the torsion drive circuit 42 sends the 3rd and feeds back signal to controller 43；
And the controller 43 exports the rotation driver signal in control torsion drive circuit 42 so that the sensor 1 is carried out
When test rotates a circle, the torsion drive circuit 42 sends the 4th and feeds back signal to controller 43.Wherein, the controller 43
The second locating module 432 is further included, by second locating module 432, the controller 43 is by the rotation of electric rotating machine 3
Direction, rotary speed and angular distance send the torsion drive circuit 42 to so that the torsion drive circuit 42 drives and passes
Sensor 1 moves to second precalculated position and further carries out test rotation, and by turning round described in second locating module 432
Three, the 4th feedback signals are sent to controller 43 by power drive circuit 42.
And further, if the result of torsion-testing shows that test result is unqualified, the output repetition measurement letter of controller 43
Number so that the torsion drive circuit 42 exports repetition measurement drive signal, so that the sensor 1 is rotated a circle again
Repetition measurement.By repetition measurement so that test result is relatively reliable, it is therefore prevented that erroneous judgement.Also, if repetition measurement is still unqualified, then institute
State control device and further include alarm (not shown), the controller 43 controls the alarm equipment alarm, and such as beep is reported to the police.
Additionally, after above-mentioned torsion-testing is completed, the control of the controller 43 lifting drive circuit 41 and torsion drive electricity
The output drive signal of road 42, drives the sensor 1 to be returned to the startup position before test.By being returned to home position, make
Every time test when sensor from identical starting point setting in motion, so as to ensure that measuring accuracy.
It is pointed out that carrying out logically to its function according to the division only of the parts such as the locating module above
Point.For example, the first locating module 431 and the second locating module 432 may also be and realize that it drives to lifting using same control module
Dynamic circuit and torsion go the communication respectively and control of circuit.
Fig. 3-5 respectively illustrates lifting drive circuit 41, the rotation driving electricity according to the preferred embodiment of the utility model one
Road 42 and the circuit block diagram of controller 43.As shown in figure 3, be according to the preferred embodiment of the utility model one and lifting motor
The circuit block diagram of the described lifting drive circuit 41 of 2 connections.The lifting drive circuit 41 includes the first amplifier 411, with
Lifting motor 2 connects, and realizes that the lifting to the lifting motor 2 drives.As shown in figure 4, being preferred real according to the utility model one
Apply the circuit block diagram of the torsion drive circuit 42 described in being connected with electric rotating machine 3 of example.The torsion drive circuit 42 includes
Second amplifier 421, is connected with electric rotating machine 3, realizes the rotation driving to the electric rotating machine 2.
As shown in figure 5, the controller, for example with PLC, (Programmable Logic Controller may be programmed
Logic controller), the corresponding control to the lifting drive circuit 41, torsion drive circuit 42 is realized by the PLC.Wherein,
PLC includes locating module 431/432, is realized to lifting drive circuit 41 and torsion drive circuit 42 by the locating module
Control and the feedback of signal.
Describe according to the pump housing torsion-testing system for detecting pump housing smooth movements of the present utility model below in conjunction with Fig. 6
The control method of system, i.e., to the control method of pump housing Torque Measuring System as shown in Figure 1.The control method includes that lifting is driven
Dynamic step S1, torsion actuation step S2 and rate-determining steps S3.Lifting actuation step S1, the lifting output of drive circuit 41 rises
Drop drive signal, drives lifting motor to drive sensor 1 to carry out elevating movement.Torsion actuation step S2, torsion drives electricity
The outputting torsion drive signal of road 42, drives lifting motor to drive sensor 1 to be rotated.The rate-determining steps S3, control
The lifting drive circuit 41 and torsion drive circuit 42 export corresponding drive signal.
Wherein, in rate-determining steps S3, control the lifting drive circuit 41 and export the first drive signal so that the sensing
Device 1 drops to the test point of the pump housing with friction speed segmentation.Specifically, the first drive of lifting drive circuit 41 output is controlled
Dynamic signal includes fast driving signal so that the sensor 1 is declined near the first precalculated position of the pump housing with First Speed, with
And drive signal at a slow speed so that the sensor 1 is dropped to from first precalculated position with the second speed less than First Speed
The test point of the pump housing.First precalculated position as described above, can be configured according to the needs of test.
Further, lifting actuation step S1 further includes the first feedback step, in the lifting drive circuit
When the 41 drivings sensor 1 drops to first precalculated position with First Speed, the first feedback signal is exported；And second
Feedback step, drives the sensor 1 pre- from described first with the second speed less than First Speed in lifting drive circuit 41
When positioning puts the test point for dropping to the pump housing, the second feedback signal is exported.
In the rate-determining steps S3, further control the torsion drive circuit 42 and export the second drive signal so that institute
Stating sensor 1 first carries out before testing position rotating.Specifically, the second driving letter of the output of torsion drive circuit 42 is controlled
Number include position drive signal so that the rotational positioning first of the sensor 1 to the second precalculated position, and rotation driving letter
Number so that the sensor 1 carries out test rotation, for example, rotate a circle to realize torsion-testing.Second precalculated position, example
Such as it is bent axle skewed slot.Thus then cause oily more uniform in the pump housing.
Further, torsion actuation step S2 further includes positioning step, is controlling the torsion drive circuit
42 output position drive signals so that when the sensor 1 rotates to second precalculated position, export the 3rd feedback signal；
And rotation driving step, export the rotation driver signal in control torsion drive circuit 42 so that the sensor 1 is carried out
When test rotates a circle, the 4th feedback signal is exported.
And further, if the result of torsion-testing shows that test result is unqualified, the rate-determining steps S3 enters one
Step includes repetition measurement step, exports repetition measurement signal so that the torsion drive circuit 42 exports repetition measurement drive signal, so that institute
State the repetition measurement that sensor 1 is rotated a circle again.By repetition measurement so that test result is relatively reliable, it is therefore prevented that erroneous judgement.And
And, if repetition measurement is still unqualified, the control method further includes alarming step (not shown), carries out test failure
Warning, for example beep report to the police.
Additionally, after above-mentioned torsion-testing is completed, the rate-determining steps S3 further includes return phase, control lifting is driven
Dynamic circuit 41 and the output drive signal of torsion drive circuit 42, drive the sensor 1 to be returned to the startup position before test.
Hereinafter describe according to the specific embodiment to Torque Measuring System control method of the present utility model.Start described
Test system, controller 43, such as described PLC (as shown in Figure 5), by its locating module 431/432 the fortune of lifting motor 2
Dynamic direction, movement velocity and move distance send lifting drive circuit 41 (as shown in Figure 3) to, and lifting drive circuit 41 drives and rises
Drop motor 2 operates, and sensor 1, such as gauge head drop to the first precalculated position, and lifting drive circuit 41 passes through the first locating module
431 send first feeds back signal to the PLC.PLC receives the first feedback signal, change movement velocity and move distance, drives
Gauge head drops to test point, and further, lifting drive circuit 41 sends the second feedback signal by the first locating module
To PLC.
Next, PLC's receives second feedback signal, PLC passes through rotation of second locating module 432 electric rotating machine 3
Turn direction, rotary speed and the anglec of rotation and send torsion drive circuit 42 (as shown in Figure 4) to, torsion drive circuit drives rotation
Motor 3 operates, and gauge head rotates to the second precalculated position, and torsion drive circuit 42 sends the 3rd feedback letter by the second locating module
Number to PLC.PLC receives the 3rd feedback signal, change rotary speed and the anglec of rotation, and control torsion drive circuit drives gauge head
Rotation is turned around, and torsion drive circuit 42 sends the 4th and feeds back signal to PLC by the second locating module 432.
Next, it is judged that whether the test result is qualified, if test result is unqualified, such as described PLC receives rising
Pulse, then the PLC further control torsion drive circuit drive electric rotating machine 3 carry out repetition measurement.If repetition measurement result is still unqualified,
PLC control alarm (not shown) is reported to the police.If additionally, PLC does not receive in the given time signal, showing that test result is closed
Lattice.
The PLC receives the 4th feedback signal, the motion side that PLC passes through first, second locating module lifting motor 2
Lifting drive circuit 41, and the direction of rotation electric rotating machine 3, rotary speed are sent to, running speed and operating distance
And the anglec of rotation sends torsion drive circuit 42 to, lifting motor 2 and electric rotating machine 3 is driven to rise and rotate to startup anteposition
Put, and PLC is fed back signal to by first and second locating module.By being returned to home position so that sensor when testing every time
From identical starting point setting in motion, so as to ensure that measuring accuracy.
Thus, test is completed.
Pump housing Torque Measuring System of the present utility model and its control device and method are described above.According to this
The scheme of utility model, the lifting of sensor is driven with rotation with servomotor, and sensor when declining segmentation carry out, first with
Higher speed drops at the pump housing, then to drop to test point compared with low speed, and further, it is fixed first to carry out before rotary test
Position rotation, for finding measuring point and making oily more uniform in the pump housing, and further, sensor is returned to original after test
Position, so as to ensure to test identical starting point every time.By such scheme, the utility model can realize the lifting to sensor with
Rotation be precisely controlled, and can Real-time Feedback sensor position, so as to ensure the do not wound pump housing and sensor.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Restriction, above example is made any simple modification, equivalent variations and modification according to technical spirit of the present utility model,
Still fall within the range of technical solutions of the utility model.
Claims (6)
1. a kind of pump housing Torque Measuring System for detecting pump housing smooth movements, it is characterised in that include：
Sensor, lifting motor, electric rotating machine and control device；
The sensor is used to measure the moment of torsion of the pump housing；
The lifting motor is used to drive sensor to lift, and the lifting motor is servomotor；
The electric rotating machine is used to drive sensor rotation；And
The control device is used to control the lifting motor and the electric rotating machine, to drive sensor to realize the pump housing
The test of moment of torsion.
2. the system as claimed in claim 1, it is characterised in that
The electric rotating machine is servomotor.
3. system as claimed in claim 1 or 2, it is characterised in that
The control device includes lifting drive circuit and controller；
The first drive signal of the controller control lifting drive circuit output so that the sensor is with friction speed point
Section drops to the test point of the pump housing；
The lifting drive circuit output lifting drive signal, drives lifting motor to drive sensor to carry out elevating movement；
The controller control is described to lift the corresponding drive signal of drive circuit output.
4. system as claimed in claim 3, it is characterised in that
The controller includes the first locating module, and by first locating module, the controller is by the motion of lifting motor
Direction, movement velocity and move distance send the lifting drive circuit to.
5. system as claimed in claim 3, it is characterised in that
The control device further includes torsion drive circuit；And
The controller controls the torsion drive circuit and exports the second drive signal so that the sensor is before test rotation
First carry out position rotating；
The torsion drive circuit outputting torsion drive signal, drives lifting motor to drive sensor to be rotated；
The controller controls the torsion drive circuit and exports corresponding drive signal.
6. system as claimed in claim 5, it is characterised in that
The control device further includes alarm, if repetition measurement result is still unqualified, the controller controls the report
Alert device is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923549.2U CN206161208U (en) | 2016-08-23 | 2016-08-23 | Pump body torsion -testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923549.2U CN206161208U (en) | 2016-08-23 | 2016-08-23 | Pump body torsion -testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161208U true CN206161208U (en) | 2017-05-10 |
Family
ID=58649196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620923549.2U Active CN206161208U (en) | 2016-08-23 | 2016-08-23 | Pump body torsion -testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225971A (en) * | 2016-08-23 | 2016-12-14 | 珠海凌达压缩机有限公司 | Pump housing Torque Measuring System and control method thereof |
-
2016
- 2016-08-23 CN CN201620923549.2U patent/CN206161208U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225971A (en) * | 2016-08-23 | 2016-12-14 | 珠海凌达压缩机有限公司 | Pump housing Torque Measuring System and control method thereof |
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