CN205333185U - Vibration check table - Google Patents
Vibration check table Download PDFInfo
- Publication number
- CN205333185U CN205333185U CN201521012771.9U CN201521012771U CN205333185U CN 205333185 U CN205333185 U CN 205333185U CN 201521012771 U CN201521012771 U CN 201521012771U CN 205333185 U CN205333185 U CN 205333185U
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- CN
- China
- Prior art keywords
- vibration
- connects
- sensor
- circuit
- checking table
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a vibration check table, include the vibration sensor who is connected with the vibration source, vibration sensor connects processing circuit, and processing circuit connects MCU and display screen, and MCU connects the display screen and presses the keyboard, and MCU passes through AD circuit connection gain adjustment circuit and vibration control circuit, gain adjustment circuit connection vibration control circuit, and vibration control circuit is connected with the vibration source. The utility model discloses a vibration check table can be accurate carry out the check -up to vibration sensor with vibration monitoring protection appearance.
Description
Technical field
This utility model relates to a kind of calibration tool, is specifically related to a kind of vibration checking table protecting instrument verification for vibrating sensor and vibration monitoring。
Background technology
In the modern industry of high development, modern test technology develops to digitized, information-based direction and becomes inevitable development trend, and what test system is sensor foremost, and it is the soul of whole test system。
The various kinds of sensors used in vibration measurement, the such as sensitivity, the range of linearity of its property indices, frequency response characteristic etc., precision and reliability on measurement data directly produce impact。Therefore, in order to ensure correctness and the uniformity of result, it is necessary to regularly sensor is calibrated。
The general precision of existing calibrating device for sensors is not high, thus affecting the precision of the property indices of sensor。
Utility model content
The purpose of this utility model is to provide a kind of vibration checking table, it is possible to protect instrument to verify vibrating sensor and vibration monitoring accurately。
An embodiment of the present utility model provides a kind of vibration checking table, including the vibrating sensor being connected with vibration source, vibrating sensor connects signal processing circuit, signal processing circuit connects MCU and display screen, MCU connects display screen and button group, MCU connects gain adjusting circuit and vibration control circuit by A/D circuit, and gain adjusting circuit connects vibration control circuit, and vibration control circuit is connected with vibration source。
The vibration checking table that this utility model provides, has the advantage that
1. instrument can be protected to verify vibrating sensor and vibration monitoring accurately。
2.MCU connects RS232 communication terminal, it is possible to completed the verification of sensor and report printing and storage operation by host computer, it is possible to carry out real-time communication operation with vibration table。
Accompanying drawing explanation
Fig. 1 show the schematic diagram of an embodiment of vibration checking table of the present utility model。
Fig. 2 show the schematic diagram of an embodiment of the button group of vibration checking table of the present utility model。
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with this utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described。
With reference to Fig. 1, in an embodiment of the present utility model, vibration checking table includes the vibrating sensor being connected with vibration source, vibrating sensor connects signal processing circuit, signal processing circuit connects MCU and display screen, and MCU connects display screen and button group, and MCU connects gain adjusting circuit and vibration control circuit by A/D circuit, gain adjusting circuit connects vibration control circuit, and vibration control circuit is connected with vibration source。
Display screen can show the following various vibration informations of vibration tester。
1). the frequency size that display is given。
2). the magnitude of vibrations that display reality is measured。
3). the vibration signal value (real effective) of display sensor input。
4). the real-time waveform (Simple Oscillographic device function) of display vibration signal。(5-1000Hz)
In an embodiment of the present utility model, vibrating sensor can be horizon sensor, vertical reference or universal sensor。
In an embodiment of the present utility model, vibrating sensor can be piezoelectric acceleration transducer, magnetoelectric velocity transducer or eddy current sensor。
In an embodiment of the present utility model, MCU can connect RS232 communication terminal, it is possible to is completed the verification of sensor and report printing and storage operation by host computer, it is possible to carry out real-time communication operation with vibration table。
In an embodiment of the present utility model, gain adjusting circuit connects gain-adjusted knob, for preventing vibration tester surface vibration excessive, before opening power, should be transferred to minimum counterclockwise by gain-adjusted knob。Should gain-adjusted knob be transferred to minimum counterclockwise before changing frequency。
With reference to Fig. 2, in an embodiment of the present utility model, button group can include raising double function key, lowers double function key, move double function key, three function keys and function selecting key。Rise double function key is used for adjusting upward frequency, lowers double function key for adjusting downwards frequency, and mobile double function key moves for frequency configuration gt or arranges digit order number and moves to right, and three function keys have following function:
Vibration measurement gear switch can select acceleration, speed, displacement, sensor calibration 4 grades；
The determination key of numeral is set；
Under oscillography display state, RMS, P-PK, PK measure display switching。
Function selecting key is a single function key, for showing the selection of state。
Although this utility model being made that detailed description with above-mentioned preferred embodiment, but not limit this utility model with above-described embodiment。Skilled person realizes that when without departing from the technical characteristic given by technical solutions of the utility model and scope increase that technical characteristic is made, with the replacement of some same contents of this area all should belong to protection domain of the present utility model。
Claims (6)
1. a vibration checking table, it is characterized in that, including the vibrating sensor being connected with vibration source, described vibrating sensor connects signal processing circuit, described signal processing circuit connects MCU and display screen, and described MCU connects display screen and button group, and described MCU connects gain adjusting circuit and vibration control circuit by A/D circuit, described gain adjusting circuit connects vibration control circuit, and described vibration control circuit is connected with described vibration source。
2. vibration checking table according to claim 1, is characterized in that, described vibrating sensor is horizon sensor, vertical reference or universal sensor。
3. vibration checking table according to claim 1 and 2, is characterized in that, described vibrating sensor is piezoelectric acceleration transducer, magnetoelectric velocity transducer or eddy current sensor。
4. vibration checking table according to claim 1 and 2, is characterized in that, described MCU connects RS232 communication terminal。
5. vibration checking table according to claim 1 and 2, is characterized in that, described gain adjusting circuit connects gain-adjusted knob。
6. vibration checking table according to claim 1 and 2, is characterized in that, described button group includes raising double function key, lowers double function key, moves double function key, three function keys and function selecting key。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012771.9U CN205333185U (en) | 2015-12-09 | 2015-12-09 | Vibration check table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012771.9U CN205333185U (en) | 2015-12-09 | 2015-12-09 | Vibration check table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205333185U true CN205333185U (en) | 2016-06-22 |
Family
ID=56211445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521012771.9U Expired - Fee Related CN205333185U (en) | 2015-12-09 | 2015-12-09 | Vibration check table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205333185U (en) |
-
2015
- 2015-12-09 CN CN201521012771.9U patent/CN205333185U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181209 |