CN209894218U - Intelligent piezoelectric vibration acceleration temperature composite sensor - Google Patents
Intelligent piezoelectric vibration acceleration temperature composite sensor Download PDFInfo
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- CN209894218U CN209894218U CN201920937612.1U CN201920937612U CN209894218U CN 209894218 U CN209894218 U CN 209894218U CN 201920937612 U CN201920937612 U CN 201920937612U CN 209894218 U CN209894218 U CN 209894218U
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Abstract
The utility model provides an intelligence piezoelectricity vibration acceleration temperature combined sensor, include: the base is provided with a sinking groove, a non-linear groove and a temperature measuring tube protruding outwards; the temperature sensor assembly is arranged in the temperature measuring pipe; the acceleration sensor assembly is arranged in the sinking groove; the intelligent main control circuit board is in a non-straight panel shape, is arranged in the non-linear groove, and is connected with the temperature sensor assembly and the acceleration sensor assembly through connecting wires; the shell is connected to the edge of the base and encapsulates the acceleration sensor assembly and the intelligent main control circuit board on the base; and the connector is arranged outside the shell and connected with the intelligent main control circuit board through a connecting wire. The utility model discloses a compound sensor integrated level is high, mounting structure is compact reasonable, and can direct output digital signal.
Description
Technical Field
The utility model relates to a sensor especially relates to piezoelectricity vibration acceleration temperature composite sensor.
Background
The method for diagnosing the mechanical state by detecting the vibration and the temperature signal by using the sensor is a commonly applied and effective method in mechanical fault diagnosis. Vibration and temperature are two most important parameters for health monitoring of mechanical equipment in the operation process, and can reflect main signals of the operation state of the mechanical equipment, so that most rotary equipment acquires dynamic vibration and temperature signals through various vibration sensors and temperature sensors to monitor and diagnose the operation state of the equipment. The traditional discrete vibration sensor and temperature sensor have the defects in the links of installation, fixation, signal transmission/processing and the like, and have the defects of large installation workload, complex and disorderly wiring and low measurement precision.
At present, the domestic piezoelectric acceleration composite sensor is still a signal output by analog quantity, a back-end monitoring system is required to perform analog-to-digital conversion on the analog quantity signal to obtain a digital signal, and then data analysis or signal transmission can be further performed, and the requirement on the back-end monitoring system is higher. Meanwhile, the acceleration temperature composite sensor with analog quantity output does not have intelligent performances of self-checking, various working modes, medium upgrading and the like; and the integration level is not high, and the mounting structure is also unreasonable.
In view of this, the utility model discloses an integral type vibration temperature composite sensor that the design integrated level is high, mounting structure is reasonable can effectively improve vibration sensor and temperature sensor's installation convenience and measuring accuracy, is favorable to vibration and temperature signal acquisition to the same monitoring position of equipment, makes things convenient for state monitoring and fault diagnosis, and the present case produces from this.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing an intelligence piezoelectricity vibration acceleration temperature combined sensor, and the integrated level is high, mounting structure is compact reasonable, and can direct output digital signal.
The utility model discloses a realize like this: an intelligent piezoelectric vibration acceleration temperature compound sensor, comprising:
the base is provided with a sinking groove, a non-linear groove and a temperature measuring tube protruding outwards;
the temperature sensor assembly is arranged in the temperature measuring pipe;
the acceleration sensor assembly is arranged in the sinking groove;
the intelligent main control circuit board is in a non-straight panel shape, is arranged in the non-linear groove, and is connected with the temperature sensor assembly and the acceleration sensor assembly through connecting wires;
the shell is connected to the edge of the base and encapsulates the acceleration sensor assembly and the intelligent main control circuit board on the base;
and the connector is arranged outside the shell and connected with the intelligent main control circuit board through a connecting wire.
Optionally, a counterbore is formed in an outer surface of the housing, and the connector is welded to an edge of the counterbore.
Optionally, the intelligent main control circuit board is a U-shaped board formed by splicing three single boards into a whole, the non-linear groove is a U-shaped groove, and the acceleration sensor assembly is enclosed in the U-shaped board.
Optionally, the intelligent main control circuit board is glued in the non-linear groove.
Optionally, the edge of the base is provided with a first step with a high inside and a low outside, the bottom surface of the housing is provided with a second step with a low inside and a high outside, and the second step and the first step are just matched, welded and fixed.
Optionally, the housing is further provided with a screw hole and a unthreaded hole, and the unthreaded hole is located below the screw hole.
The utility model has the advantages that: the utility model discloses an intelligence piezoelectricity vibration acceleration temperature combined sensor, in the same shell of encapsulation of temperature sensor subassembly and acceleration sensor subassembly, the integrated level is high, and set the intelligent main control circuit board to the straight panel of non- (like U type structure), compare the straight face structure of monolithic board, but greatly reduced encapsulation size, and the acceleration sensor subassembly still can be enclosed within the U template, further make mounting structure compact reasonable, still can make the connecting wire be the shortest and arrange, installation work load is little, the wiring is simple clear. And the intelligent main control circuit board has the A/D conversion function and the processing of the main control processor, can convert analog signals of the temperature sensor assembly and the acceleration sensor into digital signals, process the digital signals and output the digital signals by the connector, can be directly used for a rear end monitoring system to carry out equipment state monitoring, and is widely applied, such as being applied to monitoring vibration and temperature conditions of a subway vehicle axle.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic longitudinal axial sectional structure diagram of the composite sensor of the present invention.
Fig. 2 is a left external view of fig. 1.
Fig. 3 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 4 is a schematic diagram of the circuit structure of the composite sensor of the present invention.
Detailed Description
Referring to fig. 1 to 4, the intelligent piezoelectric vibration acceleration temperature composite sensor of the present invention includes:
the base 1 is provided with a sinking groove 11, a non-linear groove 12 and a temperature measuring tube 13 protruding outwards;
the temperature sensor assembly 2 is arranged in the temperature measuring pipe 13;
the acceleration sensor assembly 3 is arranged in the sinking groove 11;
the intelligent main control circuit board 4 is in a non-straight panel shape, is arranged in the non-linear groove 12, and is connected to the temperature sensor assembly 2 and the acceleration sensor assembly 3 through a connecting wire 5; the intelligent main control circuit board 4 is designed into a non-straight panel shape and is arranged in the non-linear groove 12, so that the overall dimension of the whole composite sensor can be saved;
the shell 6 is connected to the edge of the base 1, and encapsulates the acceleration sensor assembly 3 and the intelligent main control circuit board 4 on the base 1;
and the connector 7 is arranged outside the shell 6 and is connected with the intelligent main control circuit board 4 through a connecting wire 5.
In the preferred embodiment of the present invention, the following settings can be provided:
a counterbore 61 is formed in an outer surface of the housing 6, and the connector 7 is welded to an edge of the counterbore 61.
The intelligent main control circuit board 4 is a U-shaped board formed by splicing three single boards into a whole, the non-linear groove 12 is a U-shaped groove, and the acceleration sensor 3 assembly is enclosed in the U-shaped board, namely, is arranged in an area enclosed by the U-shaped board.
The intelligent main control circuit board 4 is glued in the non-linear groove 12.
The edge of the base 1 is provided with a first step 14 with a high inside and a low outside, the bottom surface of the shell 6 is provided with a second step 62 with a low inside and a high outside, and the second step 62 and the first step 14 are just matched and welded and fixed, so that welding is easier to position, and the welding area is increased.
The shell is further provided with a screw hole 63 and a light hole 64, and the light hole 64 is located below the screw hole 63. In the actual installation process, after the matched bolt is screwed into the screw hole 63, the screw hole 63 and the unthreaded hole 64 have the functions that the bolt can be separated from the shell unless manually screwed, and cannot fall off automatically.
The utility model discloses a theory of operation lies in:
detecting an acceleration mechanical quantity by the acceleration sensor component by utilizing the piezoelectric effect of the piezoelectric ceramic element; a temperature sensor assembly for detecting a temperature signal; the acceleration sensor assembly outputs an acceleration analog signal, the temperature sensor assembly outputs a temperature analog signal, and the acceleration sensor assembly and the temperature analog signal are used as input signals of the intelligent main control circuit board; through the A/D conversion function of the intelligent main control circuit board and the processing of the main control processor, digital signals are finally output through a network, and a rear-end monitoring system can monitor the state of the equipment.
The utility model discloses an intelligence piezoelectricity vibration acceleration temperature combined sensor, in the same shell of encapsulation of temperature sensor subassembly and acceleration sensor subassembly, the integrated level is high, and set the intelligent main control circuit board to the straight panel of non- (like U type structure), compare the straight face structure of monolithic board, but greatly reduced encapsulation size, and the acceleration sensor subassembly still can be enclosed within the U template, further make mounting structure compact reasonable, still can make the connecting wire be the shortest and arrange, installation work load is little, the wiring is simple clear. And the intelligent main control circuit board has an A/D conversion function and the processing of the main control processor, can convert analog signals of the temperature sensor assembly and the acceleration sensor into digital signals, output the digital signals by the connector after processing, and can be directly used for a rear-end monitoring system to carry out equipment state monitoring.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (6)
1. The utility model provides an intelligence piezoelectricity vibration acceleration temperature combined sensor which characterized in that: the method comprises the following steps:
the base is provided with a sinking groove, a non-linear groove and a temperature measuring tube protruding outwards;
the temperature sensor assembly is arranged in the temperature measuring pipe;
the acceleration sensor assembly is arranged in the sinking groove;
the intelligent main control circuit board is in a non-straight panel shape, is arranged in the non-linear groove, and is connected with the temperature sensor assembly and the acceleration sensor assembly through connecting wires;
the shell is connected to the edge of the base and encapsulates the acceleration sensor assembly and the intelligent main control circuit board on the base;
and the connector is arranged outside the shell and connected with the intelligent main control circuit board through a connecting wire.
2. The intelligent piezoelectric vibration acceleration temperature complex sensor of claim 1, characterized in that: and a counter bore is formed in one outer surface of the shell, and the connector is welded at the edge of the counter bore.
3. The intelligent piezoelectric vibration acceleration temperature complex sensor of claim 1, characterized in that: the intelligent main control circuit board is a U-shaped board formed by splicing three single boards into a whole, the non-linear groove is a U-shaped groove, and the acceleration sensor assembly is enclosed in the U-shaped board.
4. The intelligent piezoelectric vibration acceleration temperature complex sensor of claim 1 or 3, characterized in that: the intelligent main control circuit board is glued in the non-linear groove.
5. The intelligent piezoelectric vibration acceleration temperature complex sensor of claim 1, characterized in that: the edge of the base is provided with a first step with a high inside and a low outside, the bottom surface of the shell is provided with a second step with a low inside and a high outside, and the second step is matched with the first step and welded and fixed.
6. The intelligent piezoelectric vibration acceleration temperature complex sensor of claim 1, characterized in that: the shell is also provided with a screw hole and a unthreaded hole, and the unthreaded hole is positioned below the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937612.1U CN209894218U (en) | 2019-06-20 | 2019-06-20 | Intelligent piezoelectric vibration acceleration temperature composite sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937612.1U CN209894218U (en) | 2019-06-20 | 2019-06-20 | Intelligent piezoelectric vibration acceleration temperature composite sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894218U true CN209894218U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920937612.1U Active CN209894218U (en) | 2019-06-20 | 2019-06-20 | Intelligent piezoelectric vibration acceleration temperature composite sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894218U (en) |
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2019
- 2019-06-20 CN CN201920937612.1U patent/CN209894218U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent piezoelectric vibration acceleration temperature composite sensor Effective date of registration: 20210721 Granted publication date: 20200103 Pledgee: Xiamen finance Company limited by guarantee Pledgor: Xiamen Niell Electronics Co.,Ltd. Registration number: Y2021980006525 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220915 Granted publication date: 20200103 Pledgee: Xiamen finance Company limited by guarantee Pledgor: XIAMEN NIELL ELECTRONICS Co.,Ltd. Registration number: Y2021980006525 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Intelligent Piezoelectric Vibration Acceleration Temperature Composite Sensor Effective date of registration: 20230215 Granted publication date: 20200103 Pledgee: China Everbright Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN NIELL ELECTRONICS Co.,Ltd. Registration number: Y2023980032533 |