CN220137168U - Portable checking device of rotation speed sensor - Google Patents
Portable checking device of rotation speed sensor Download PDFInfo
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- CN220137168U CN220137168U CN202223558378.2U CN202223558378U CN220137168U CN 220137168 U CN220137168 U CN 220137168U CN 202223558378 U CN202223558378 U CN 202223558378U CN 220137168 U CN220137168 U CN 220137168U
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- control device
- rotation speed
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- 238000012795 verification Methods 0.000 claims abstract description 19
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- 230000007246 mechanism Effects 0.000 claims description 3
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- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
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- 238000003745 diagnosis Methods 0.000 description 1
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Abstract
The utility model discloses a portable checking device of a rotating speed sensor, which also comprises a supporting part, a servo motor, a clamping part, a control device and a power supply device, wherein the supporting part is connected with the servo motor; the servo motor is suspended on the supporting structure, and a driving shaft of the servo motor is sleeved with a check gear; the clamping component can clamp at least one sensor so that the sensor points to the check gear to receive pulse signals; the control device is respectively and electrically connected with all the sensors to be verified, and realizes the switching of receiving different sensor signals; the power supply device is respectively and electrically connected with the servo motor, the sensor and the control device, so that power supply is realized for the servo motor, the control device and the sensor. The efficiency of verification work is improved through clamping of a plurality of sensors and simulation of a real working condition scene, and the technical problem that a high-efficiency quick-reading verification device for the sensors is lacked in the prior art is solved.
Description
Technical Field
The utility model relates to the field of signal processing, in particular to a portable checking device of a rotating speed sensor.
Background
At present, a rotation speed sensor is widely applied to main power equipment such as a diesel engine, a gas turbine and the like in the industrial field, and the main function of the rotation speed sensor is to monitor the rotation speed of the diesel engine, the gas turbine or other rotating workpieces. The rotating speed is used as one of the most basic and important parameters in the rotary equipment, and can be used for extracting information such as equipment starting, working condition switching and load, so that the running state of the equipment can be estimated by accurately measuring the rotating speed, the effective and reliable running of the equipment can be ensured, and meanwhile, equipment fault diagnosis work can be carried out on the basis of a rotating speed signal and a characteristic value thereof and in combination with other parameters (shaft power, exhaust quantity, cylinder pressure and the like) of the equipment.
Each rotation speed sensor is required to be subjected to a series of strict tests according to design indexes after being manufactured and assembled to determine the actual working characteristics, and the working characteristics of the rotation speed sensor are required to be rechecked after being used for a period of time or maintained, and the operation is generally carried out on various industrial sites through a portable rotation speed checking device. The installation and deployment space limitations of the rotating speed sensors of different industrial scenes and different equipment are different, and the required external dimensions and the screw sizes of the rotating speed sensors are different, so that the common portable rotating speed checking device is provided with the required screw holes in advance through processing on the tool. In addition, for portable rotational speed verifying attachment is convenient to carry, need controlling means volume weight, generally only set up a rotational speed sensor input interface all the way, need setting up N rotational speed numerical values in proper order when every sensor check-up. The portable device has the defects that firstly, the size of an opening of a device tool and the type of threads are fixed, and the portable device cannot be suitable for various rotation speed sensors with different sizes and threads on an industrial site; secondly, be limited by device rotational speed sensor input interface quantity, can't check many sensors simultaneously, every sensor check all need set up N rotational speed numerical value, waste time and energy when carrying out batch detection, maneuverability is poor.
A portable calibration device of a rotation speed sensor is urgently needed, and the technical problem that a high-efficiency quick-reading calibration device for the sensor is lacking in the prior art is solved.
Disclosure of Invention
In an embodiment, the utility model provides a portable checking device for a rotating speed sensor, which improves the checking efficiency by clamping a plurality of sensors and simulating a real working condition scene, and is beneficial to solving the technical problem that the prior art lacks a high-efficiency quick-reading checking device for the sensors.
The portable checking device of the rotating speed sensor also comprises a supporting part, a servo motor, a clamping part, a control device and a power supply device;
the servo motor is suspended on the supporting part, and a driving shaft of the servo motor is sleeved with a check gear;
the clamping component can clamp at least one sensor so that the sensor points to the check gear to receive pulse signals;
the control device is respectively and electrically connected with all the sensors to be verified, and realizes the switching of receiving different sensor signals;
the power supply device is respectively and electrically connected with the servo motor, the sensor and the control device, so that power supply is realized for the servo motor, the control device and the sensor.
In one embodiment, the power supply device comprises an ac power supply and a dc power supply;
the alternating current power supply is respectively and electrically connected with the servo motor and the control device so as to provide alternating current for the servo motor and the control device;
the direct current power supply is electrically connected with the sensor so as to supply power to the sensor.
In one embodiment, the control device comprises a display and sensor switching station, and a signal processing station;
the display is arranged on the end face of the supporting part;
the sensor switching table is electrically connected with each sensor and is used for switching different sensors to receive signals through a knob;
the signal processing station is electrically connected with the sensor switching station to switch on different sensors and process signals.
In one embodiment, the clamping member includes a first clamping jaw arm and a second clamping jaw arm;
one end of the second clamping jaw arm is hinged with one end of the first clamping jaw arm, and a pre-tightening force is provided by a spring mechanism to clamp the sensor.
In an embodiment, the supporting component is a box structure, the display and the sensor switching table are arranged on the upper end face of the box structure, the servo motor is arranged inside the box structure, a driving shaft of the servo motor penetrates out of the top of the box structure, and a checking gear is sleeved outside the box structure.
In an embodiment, a flange structure is disposed at an upper end face of the box structure and is used for connecting with the flange structure on the servo motor to fix the servo motor on the box structure.
In an embodiment, the sensor is magnetoresistive or magneto-electric or eddy current.
In one embodiment, the ac power supply provides 220V and 50Hz ac power and the dc power supply provides 12V to 24V dc power.
Drawings
FIG. 1 is a schematic side view of a portable verification device for a rotation speed sensor according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a portable verification device for a rotation speed sensor according to another embodiment of the present utility model;
FIG. 3 is a schematic view of a clamping member according to another embodiment of the present utility model;
FIG. 4 is a schematic diagram of a sensor switching stage according to another embodiment of the present utility model;
fig. 5 is a schematic flow chart of a verification method of a portable verification device of a rotation speed sensor according to another embodiment of the utility model.
Reference numerals:
support member 1
Servo motor 2
Check gear 21
Clamping part 3
First clamping jaw 31
Second clamping jaw 32
Control device 4
Display 41
Sensor switching stage 42
Knob 421
Signal processing stage 43
Power supply device 5
Ac power supply 51
DC power supply 52
Detailed Description
Fig. 1 is a schematic side view of a portable calibration device of a rotation speed sensor according to an embodiment of the present utility model, fig. 2 is a schematic top view of a portable calibration device of a rotation speed sensor according to another embodiment of the present utility model, and fig. 3 is a schematic structure of a clamping member according to another embodiment of the present utility model. As shown in fig. 1 to 3, in an embodiment, the present utility model further provides a portable calibration device for a rotation speed sensor, where the portable calibration device for a rotation speed sensor further includes a support component 1, a servo motor 2, a clamping component 3, a control device 4, and a power supply device 5;
the servo motor 2 is suspended on the supporting part 1, and a driving shaft of the servo motor 2 is sleeved with a check gear 21;
the clamping part 3 is capable of clamping at least one sensor so that the sensor is directed to the checking gear 21 to receive a pulse signal;
the control device 4 is respectively and electrically connected with all the sensors to be verified, and realizes the switching of receiving different sensor signals;
the power supply device 5 is electrically connected with the servo motor 2, the sensor and the control device 4 respectively, so as to realize power supply to the servo motor 2, the control device 4 and the sensor.
In this embodiment, a specific implementation manner of a portable calibration device for a rotation speed sensor is provided, the supporting component 1 is a carrier of all other components and devices, the driving shaft of the servo motor 2 is sleeved with the calibration gear 21, wherein the side surface of the calibration gear 21 is 60 teeth involute teeth, in addition, the module is 2, the diameter is 124 millimeters, in actual use, the sensor can receive a pulse signal after each rotation of the calibration gear 21, the sensor changes to form the pulse signal with different distances towards the teeth of the calibration gear 21, in the use process, the control device 4 is respectively connected with one or more sensors to be electrically connected, the control device 4 is used for switching different sensors, further performs analog processing on the signals of the sensors by using a DPS single chip microcomputer and an FPGA circuit, performs comprehensive processing on the acquired analog increment encoder signals to obtain the rotation speed of the motor, realizes the control of the servo motor, simultaneously measures the input signals of the measured sensor, and finally sends the measured rotation speed value to the display operation module. The singlechip can adjust the rotating speed of the servo motor 2, and the power supply device 5 is simpler, so that the power supply of the components and the devices requiring electric energy is realized, and the technical problem that the high-efficiency quick-reading calibration device for the sensor is lacked in the prior art is solved.
In one embodiment, the power supply device 5 includes an ac power supply 51 and a dc power supply 52;
the ac power supply 51 is electrically connected to the servo motor 2 and the control device 4, respectively, to supply ac power to the servo motor 2 and the control device 4;
a dc power supply 52 is electrically connected to the sensor to power the sensor.
In the present embodiment a specific implementation of the power supply device 5 is provided, which is divided into two parts, namely direct current for signal power and alternating current for power supply to the servo motor 2 and the control device 4.
Fig. 4 is a schematic structural diagram of a sensor switching stage according to another embodiment of the utility model. As shown in fig. 4, in one embodiment, the control device 4 includes a display 41 and a sensor switching stage 42, and a signal processing stage 43;
the display 41 is provided on the end face of the support member 1;
the sensor switching table 42 is electrically connected with each sensor and is used for switching different sensors to receive signals through the knob 421;
the signal processing stage 43 is electrically connected to the sensor switching stage 42 to switch on the different said sensors and to process the signals.
In the present embodiment, a specific implementation of specific three important functions of the control device 4 is provided. The display 41 can display the pulse signal and the related analysis result, the sensor switching stage 42 selects which of the sensors is the sensor to be analyzed through the knob 421, and the signal processing stage 43 is the main control calculation module for processing the above-mentioned process. The display 41 may be implemented by using touch screen technology to implement man-machine interaction or input a rotation speed command through electronic keys.
In one embodiment, the clamping member 3 includes a first clamping jaw arm 31 and a second clamping jaw arm 32;
one end of the second clamping jaw arm 32 is hinged with one end of the first clamping jaw arm 31, and a pre-tightening force is provided by a spring mechanism to clamp the sensor.
In this embodiment a specific implementation of the clamping member 3 is provided. The first clamping jaw arm 31 and the second clamping jaw arm 32 are in order to adapt to the cylindrical structure of the sensor, and are clamped to the middle part through the hinge joint of one end, and in addition, the first clamping jaw arm 31 and the second clamping jaw arm 32 can be close to or separate from each other along the axial direction of the screw by adopting screw rotation.
In an embodiment, the supporting component 1 is a box structure, a display 41 and a sensor switching table 42 are arranged on the upper end face of the box structure, the servo motor 2 is arranged inside the box structure, a driving shaft of the servo motor penetrates out of the top of the box structure, and the verification gear 21 is sleeved outside the box structure.
In the present embodiment, a specific structure of the supporting member 1 and a specific embodiment of how the display 41 and the sensor switching table 42, the servo motor 2 are arranged on the box structure are provided, and the check gear 21 is placed horizontally with one side thereof being the sensor. The sensors are fixed outside the top plate of the box body structure in a dispersing way, are positioned on the same horizontal plane with the check gear 21, and can be fixed with sensors of different sizes.
In an embodiment, a flange structure is disposed at an upper end face of the box structure and is used for connecting with a flange structure on the servo motor 2 to fix the servo motor 2 on the box structure.
In this embodiment, a specific implementation manner is provided in which the flange structure is provided on the box structure, and the flange structure on the servo motor 2 is connected therewith.
In an embodiment, the sensor is magnetoresistive or magneto-electric or eddy current.
A specific implementation of the sensor is provided in this embodiment.
In one embodiment, ac power supply 51 provides 220V and 50Hz ac power and dc power supply 52 provides 12V to 24V dc power.
In the present embodiment, a specific parameter range of the ac power supply 51 and the dc power supply 52 is provided.
Fig. 5 is a schematic flow chart of a verification method of a portable verification device of a rotation speed sensor according to another embodiment of the utility model. As shown in fig. 5, the portable verification device based on the rotation speed sensor comprises:
s101, clamping the sensor on the clamping member 3.
In this step a specific step of clamping the sensor on the clamping member 3 is provided.
S102, adjusting the position relation between the sensor probe and the check gear 21.
In this step, a specific step of adjusting the positional relationship between the sensor probe and the check gear 21 is provided, specifically, ensuring that the clearance distance between the sensor probe and the gear tooth surface meets the sensor mounting requirements.
S103, the control device 4 switches the sensor to be checked.
In this step a specific step of switching said sensors to be checked by the control means 4 is provided.
S104, starting the check gear 21 according to the preset rotating speed to perform check to obtain a check result.
In this step, a specific step of starting the check gear 21 at a predetermined rotational speed to perform a check to obtain a check result is provided.
After the step of starting the checking gear 21 to check at the predetermined rotation speed to obtain the checking result, the method further includes:
and switching to other sensors again for verification.
The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this utility model will occur to those skilled in the art, and are intended to be within the spirit and scope of the utility model.
Claims (8)
1. A portable verification device for a rotational speed sensor, the portable verification device for a rotational speed sensor further comprising:
a support member (1);
a servo motor (2) which is suspended on the supporting component (1), and a verification gear (21) is sleeved on a driving shaft of the servo motor (2);
a clamping member (3) capable of clamping at least one sensor so that the sensor is directed to the checking gear (21) to receive a pulse signal;
the control device (4) is respectively and electrically connected with all the sensors to be verified, and realizes the switching of receiving different sensor signals;
and the power supply device (5) is respectively and electrically connected with the servo motor (2), the sensor and the control device (4) to realize power supply to the servo motor (2), the control device (4) and the sensor.
2. Portable verification device of rotation speed sensors according to claim 1, characterized in that the power supply device (5) comprises:
an ac power supply (51) electrically connected to the servo motor (2) and the control device (4) respectively, for supplying ac power to the servo motor (2) and the control device (4);
and a direct current power supply (52) electrically connected with the sensor to supply power to the sensor.
3. Portable verification device of a rotation speed sensor according to claim 2, characterized in that the control device (4) comprises:
a display (41) provided on an end face of the supporting member (1);
a sensor switching station (42) electrically connected to each of the sensors for switching the different sensors for signal reception by means of a knob (421);
a signal processing stage (43) electrically connected to the sensor switching stage (42) for switching on the different sensors and processing the signals.
4. A portable verification device for a rotation speed sensor according to claim 3, characterized in that the clamping member (3) comprises:
a first clamping jaw (31);
and one end of the second clamping clamp arm (32) is hinged with one end of the first clamping clamp arm (31), and a pre-tightening force is provided by a spring mechanism to clamp the sensor.
5. The portable calibration device for the rotation speed sensor according to claim 4, wherein the supporting component (1) is a box structure, the display (41) and the sensor switching table (42) are arranged on the upper end face of the box structure, the servo motor (2) is arranged inside the box structure, the driving shaft of the servo motor penetrates out of the top of the box structure, and the calibration gear (21) is sleeved outside the box structure.
6. The portable calibration device of a rotation speed sensor according to claim 5, wherein a flange structure is provided at an upper end face of the case structure for connecting with a flange structure on the servo motor (2) to fix the servo motor (2) on the case structure.
7. The portable verification device of a rotational speed sensor of claim 6, wherein the sensor is magneto-resistive or magneto-electric or eddy current.
8. Portable verification device for rotation speed sensors according to claim 7, characterized in that the ac power supply (51) provides 220V and 50Hz ac power, the dc power supply (52) providing 12V to 24V dc power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558378.2U CN220137168U (en) | 2022-12-30 | 2022-12-30 | Portable checking device of rotation speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223558378.2U CN220137168U (en) | 2022-12-30 | 2022-12-30 | Portable checking device of rotation speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137168U true CN220137168U (en) | 2023-12-05 |
Family
ID=88962913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223558378.2U Active CN220137168U (en) | 2022-12-30 | 2022-12-30 | Portable checking device of rotation speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137168U (en) |
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2022
- 2022-12-30 CN CN202223558378.2U patent/CN220137168U/en active Active
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