CN217007384U - Portable signal testing device - Google Patents
Portable signal testing device Download PDFInfo
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- CN217007384U CN217007384U CN202123314612.2U CN202123314612U CN217007384U CN 217007384 U CN217007384 U CN 217007384U CN 202123314612 U CN202123314612 U CN 202123314612U CN 217007384 U CN217007384 U CN 217007384U
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- processing terminal
- display processing
- testing device
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Abstract
The utility model provides a portable signal testing device. The portable signal testing device includes: the device comprises a base, a moving platform, a power supply module, an excitation device and a display processing terminal, wherein the moving platform, the power supply module, the excitation device and the display processing terminal are arranged on the base. And a product to be tested is fixed on the transfer platform, and the excitation device provides signal excitation for the product to be tested. And the display processing terminal receives the signal output by the product to be tested, processes and displays the signal. And the power supply module is respectively and electrically connected with the excitation device and the display processing terminal and provides working power supply for the excitation device and the display processing terminal. The portable signal testing device provided by the utility model overcomes the defects in the prior art, has the advantages of light and handy appearance, light weight, high integration level and convenience in carrying, is powered by using a portable battery, is not limited by places, and has wider application scenes and ranges.
Description
Technical Field
The utility model belongs to the technical field of testing, and particularly relates to a portable signal testing device for testing a sensor signal.
Background
At present, for the signal test of a speed sensor, a motor is required to drive a gear ring to rotate to generate excitation, and an oscilloscope is adopted to receive and analyze signals. In the process, 220V power supply is needed, the use scene and the place are limited, and the oscilloscope is large in size and inconvenient to carry when going out. How to solve the problems of inconvenient use, limited application scene, inconvenient carrying and the like is a problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides the portable signal testing device which has the advantages of light appearance, light weight, high integration level and convenience in carrying, is powered by using a portable battery, is not limited by places and has wide application scenes and range.
In order to achieve the above object, the present invention provides a portable signal testing device, including: the device comprises a base, a moving platform, a power supply module, an excitation device and a display processing terminal, wherein the moving platform, the power supply module, the excitation device and the display processing terminal are arranged on the base;
a product to be detected is fixed on the moving platform;
the excitation device provides signal excitation for the product to be tested;
the display processing terminal receives the signal output by the product to be detected, processes and displays the signal;
and the power supply module is respectively and electrically connected with the excitation device and the display processing terminal and provides working power supply for the excitation device and the display processing terminal.
Preferably, the moving stage and the display processing terminal are respectively positioned at two sides of the excitation device.
Preferably, the excitation device comprises a speed regulating motor and a gear ring connected to the speed regulating motor, and the speed regulating motor drives the gear ring to rotate so as to provide signal excitation for the product to be tested.
Preferably, the transfer table is slidably connected with respect to the base.
Preferably, the moving platform comprises a sliding seat and an installation block, the product to be detected is fixed on the installation block, and the installation block is connected with the sliding seat in a sliding manner.
Preferably, the upper surface of the slide is provided with a transverse sliding slot in which the mounting block is slidably disposed.
Preferably, the moving platform further comprises a screw and a baffle, the baffle is mounted on one side of the sliding seat corresponding to the extending direction of the transverse sliding groove, a threaded hole is formed in the baffle, and the screw penetrates through the threaded hole and is movably connected to the mounting block.
Preferably, a longitudinal sliding groove is formed in the base, and a boss which can be accommodated in the longitudinal sliding groove and can slide along the longitudinal sliding groove is formed at the bottom of the sliding seat.
Preferably, the display processing terminal includes a processing circuit and a display, the processing circuit receives and processes the signal output by the product to be tested, and the processed signal is displayed by the display.
Preferably, a starting switch is further arranged on a circuit electrically connected with the power module, the excitation device and the display processing terminal, and the power module adopts a low-voltage portable dry battery or a storage battery.
Compared with the prior art, the portable signal testing device provided by the utility model has the advantages of light appearance, light weight, high integration level and convenience in carrying, the signal excitation device and the signal analysis display system are integrated in one device, the defects of large size, high price, inconvenience in carrying and the like of the traditional oscilloscope are avoided, in addition, a portable battery is used for supplying power, the high voltage of 220V is not required, the portable signal testing device is not limited by places, and the application scenes and the range are wider.
Drawings
FIG. 1 is a top view of a portable signal testing device in accordance with a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a portable signal testing device in accordance with a preferred embodiment of the present invention;
fig. 3 is a bottom view of the portable signal testing device of fig. 1.
Detailed Description
The utility model will be further explained with reference to the drawings and the preferred embodiments.
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention to those skilled in the art. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. Furthermore, it should be understood that the utility model is not limited to the specific embodiments described. Rather, it is contemplated that the utility model may be practiced with any combination of the following features and elements, whether or not they relate to different embodiments. Thus, the following aspects, features, embodiments and advantages are merely illustrative and should not be considered elements or limitations of the claims except where explicitly recited in a claim(s). In addition, in this document, terms indicating directions such as up, down, left, right, upper, lower, and the like are used for convenience of description only and are expressed according to relative positions of components in the current drawings, and should not be construed as limiting the scope of protection.
FIG. 1 is a top view of a portable signal testing device in accordance with a preferred embodiment of the present invention; FIG. 2 is a perspective view of a portable signal testing device in accordance with a preferred embodiment of the present invention; fig. 3 is a bottom view of the portable signal testing device of fig. 1.
As shown in fig. 1, 2 and 3, the present embodiment provides a portable signal testing device for testing output signals of a product under test, such as a speed sensor. The portable signal testing device comprises a base 1, a moving platform 2 arranged on the base 1, a power supply module 3, an excitation device 4 and a display processing terminal 5.
The transfer stage 2 and the display processing terminal 5 are respectively provided on both sides of the excitation device 4.
The excitation device 4 includes a speed-regulating motor 41 and a ring gear 42 connected to the speed-regulating motor 41. The speed regulating motor 41 drives the gear ring 42 to rotate so as to provide signal excitation for the speed sensor 7 to be measured.
The speed sensor 7 to be measured is fixedly arranged on the moving platform 2. The transfer stage 2 includes a slide base 21, a mounting block 22, a screw 23, and a baffle 24. The speed sensor 7 to be measured is fixedly mounted on a mounting block 22 in the transfer stage 2. The upper surface of the slider 21 is provided with a lateral sliding groove 212, and the mounting block 22 is slidably disposed in the lateral sliding groove 212. The slide base 21 is provided with a baffle plate 24 at one side corresponding to the extending direction of the transverse sliding groove 212, the baffle plate 24 is provided with a threaded hole, and the screw 23 passes through the threaded hole on the baffle plate 24 and is movably connected to the mounting block 22. The screw 23 is matched with the threaded hole, and the mounting block 22 is driven to slide in the transverse sliding groove 212 by rotating the screw 23, so that the radial distance of the speed sensor 7 to be measured relative to the gear ring 42 in the excitation device 4 is adjusted.
The base 1 is provided with a longitudinal sliding chute 11. The bottom of the slide base 21 of the transfer stage 2 is provided with a boss 211 which can be accommodated in the vertical slide groove 11 and can slide along the vertical slide groove 11. The translation stage 2 slides along the longitudinal slide 11 in order to adjust the axial distance of the speed sensor to be measured 7 with respect to the ring gear 42.
The display processing terminal 5 comprises a processing circuit and a display, the processing circuit receives and processes the signal output by the speed sensor 7 to be measured, and the processed signal waveform is displayed through the display for analysis by a user.
The power module 3 is electrically connected with the excitation device 4 and the display processing terminal 5 respectively, and provides working power for the excitation device 4 and the display processing terminal 5. Furthermore, a starting switch 6 is arranged on a circuit of the power supply module 3, which is electrically connected with the excitation device 4 and the display processing terminal 5, and the starting switch 6 is used for controlling the on-off of the power supply circuit so as to start or close the portable signal testing device. The power module 3 adopts a low-voltage portable dry battery or a storage battery, such as a battery pack consisting of a plurality of 1.5v dry batteries or rechargeable batteries, and provides a low-voltage power supply of 0-5v for the portable signal testing device.
During testing, the sensor 7 to be tested is fixed on the mounting block 22 of the moving platform 2, and the signal at the output end of the sensor 7 to be tested is accessed into the display processing terminal 5. The adjustment moving stage 2 slides along the longitudinal slide groove 11 on the base 1 to adjust the speed sensor 7 to be measured to an appropriate position near the ring gear 42. The screw 23 is rotated to drive the mounting block 22 to slide in the transverse sliding groove 212, so that the speed sensor 7 to be measured is adjusted to a position keeping a proper air gap with the gear ring 42. The start switch 6 is turned on, and the portable signal testing device starts to work. The speed regulating motor 41 of the excitation device 4 drives the gear ring 42 to rotate, and after the speed measuring sensor 7 senses the rotating excitation signal of the gear ring 42, the sensing signal is transmitted to the display processing terminal 5. The processing circuit of the display processing terminal 5 receives and processes the signal input by the speed sensor 7 to be tested, and the processed signal waveform is displayed through the display for the user to analyze, so as to realize the function of testing whether the signal of the wheel speed sensor 7 to be tested is abnormal.
The portable signal testing device provided by the utility model has the advantages of small product size, high integration level, light weight and convenience in air gap adjustment, is provided with a portable power supply, is not restricted by places, and can meet the requirements of normal product performance testing and outgoing testing.
Although the present invention has been described with reference to the preferred embodiments, it is not limited thereto. Various changes and modifications within the spirit and scope of the present invention will become apparent to those skilled in the art from this disclosure, and it is intended that the scope of the present invention be defined by the appended claims.
Claims (10)
1. A portable signal testing device, comprising: the device comprises a base, a moving platform, a power supply module, an excitation device and a display processing terminal, wherein the moving platform, the power supply module, the excitation device and the display processing terminal are arranged on the base;
a product to be detected is fixed on the moving platform;
the excitation device provides signal excitation for the product to be tested;
the display processing terminal receives the signal output by the product to be detected, processes and displays the signal;
and the power supply module is respectively and electrically connected with the excitation device and the display processing terminal and provides working power supply for the excitation device and the display processing terminal.
2. The portable signal testing device of claim 1, wherein the stage and the display processing terminal are respectively located on both sides of the excitation device.
3. A portable signal testing device according to claim 1 or 2, wherein the excitation device comprises a variable speed motor and a gear ring connected to the variable speed motor, the variable speed motor driving the gear ring to rotate so as to provide signal excitation to the product to be tested.
4. A portable signal testing device according to claim 1 or 2, wherein the stage is slidably connected with respect to the base.
5. The portable signal testing device of claim 4, wherein the stage comprises a slide base and a mounting block, the product to be tested is fixed on the mounting block, and the mounting block is slidably connected with respect to the slide base.
6. A portable signal testing device according to claim 5, wherein the upper surface of said carriage is provided with a transverse slot in which said mounting block is slidably disposed.
7. The portable signal testing device as claimed in claim 6, wherein the moving stage further comprises a screw and a baffle, the baffle is mounted on the sliding base at a side corresponding to the extending direction of the transverse sliding slot, the baffle is provided with a threaded hole, and the screw passes through the threaded hole and is movably connected to the mounting block.
8. A portable signal testing device according to any one of claims 5 to 7, wherein the base is provided with a longitudinal slot, and the base of the carriage is provided with a boss which is receivable in and slidable along the longitudinal slot.
9. The portable signal testing device as claimed in claim 1 or 2, wherein the display processing terminal comprises a processing circuit and a display, the processing circuit receives and processes the signal output by the product to be tested, and the processed signal is displayed by the display.
10. The portable signal testing device as claimed in claim 1 or 2, wherein a start switch is further disposed on a circuit electrically connecting the power module with the excitation device and the display processing terminal, and the power module is a low-voltage portable dry battery or a storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123314612.2U CN217007384U (en) | 2021-12-27 | 2021-12-27 | Portable signal testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123314612.2U CN217007384U (en) | 2021-12-27 | 2021-12-27 | Portable signal testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007384U true CN217007384U (en) | 2022-07-19 |
Family
ID=82387304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123314612.2U Active CN217007384U (en) | 2021-12-27 | 2021-12-27 | Portable signal testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007384U (en) |
-
2021
- 2021-12-27 CN CN202123314612.2U patent/CN217007384U/en active Active
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