CN211668465U - Height detection device for lifting machine - Google Patents
Height detection device for lifting machine Download PDFInfo
- Publication number
- CN211668465U CN211668465U CN202020433762.1U CN202020433762U CN211668465U CN 211668465 U CN211668465 U CN 211668465U CN 202020433762 U CN202020433762 U CN 202020433762U CN 211668465 U CN211668465 U CN 211668465U
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- China
- Prior art keywords
- displacement sensor
- sampling circuit
- circuit
- height
- wire type
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- 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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Abstract
The utility model relates to a machine height detecting device lifts. The pull-wire type displacement sensor is connected with the AD through a circuit, the AD sampling circuit is connected with the microprocessor, and the voltage reference circuit is respectively connected with the pull-wire type displacement sensor and the AD sampling circuit. The device can detect the height of the lifting machine, and achieves the purposes of controlling the running speed of the lifting machine and reaching the preset height.
Description
Technical Field
The utility model relates to a height detection device, in particular to machine of lifting height detection device. The method is mainly suitable for detecting the height of the automobile lifter system and controlling the running speed.
Background
With the rapid increase in economy, more and more automobile lifters are used in the field of automobile maintenance, the lifting height of the equipment is determined vaguely by human eyes and feeling, and the disadvantage is that the assembly in automobile maintenance requires a technician to manually and constantly adjust the height to accurately reach a predetermined height to mount corresponding parts.
Disclosure of Invention
The utility model discloses the technical problem that needs to solve provides a machine height detecting device lifts, can detect the height and the speed of machine of lifting to can be at the high automatic shutdown that the technician set for.
The utility model discloses the technical measure who takes as follows:
the utility model provides a machine height detecting device lifts, by stay-supported displacement sensor, voltage reference circuit, AD sampling circuit, microcontroller and electrical power generating system constitute characterized by: the pull-wire type displacement sensor is connected with the AD sampling circuit, the AD sampling circuit is connected with the microprocessor, and the voltage reference circuit is respectively connected with the pull-wire type displacement sensor and the AD sampling circuit.
The stay wire type displacement sensor is a resistance type stay wire displacement sensor.
The stay wire type displacement sensor and the AD sampling circuit are connected with the voltage reference circuit.
The utility model has the advantages of: the lifting height of the lifter is detected through the displacement sensor, signals are processed and then sent to the microcontroller, and the microprocessor can ensure that the lifter stops at the set height according to the obtained displacement data.
The stay wire type displacement sensor and the AD sampling circuit use the same reference voltage, so that errors caused by using different reference voltages can be avoided, and the accuracy of the detection height of the lifting machine is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the pull-wire type displacement sensor 1 is connected to an AD sampling circuit 3, the AD sampling circuit 3 is connected to a microprocessor 4, and the voltage reference circuit 2 is connected to the pull-wire type displacement sensor 1 and the AD sampling circuit 3, respectively.
The stay wire type displacement sensor 1 is a resistance type stay wire displacement sensor.
The stay wire type displacement sensor 1 converts displacement signals into voltage signals, and an AD sampling circuit can process the voltage signals conveniently.
The voltage reference circuit 2 is a stable reference voltage provided for the pull-wire type displacement sensor 1 and the AD sampling circuit 3.
The AD sampling circuit 3 converts the signal sent by the stay wire type displacement sensor 1 into a digital signal and sends the digital signal to the microprocessor 4.
The microprocessor 4 analyzes and processes the data sent by the AD sampling circuit 3, thereby ensuring that the lifting machine stops at a set height.
The power supply system 5 supplies power to the system.
Claims (3)
1. The utility model provides a machine height detecting device lifts, by stay-supported displacement sensor 1, voltage reference circuit 2, AD sampling circuit 3, microcontroller 4 and electrical power generating system 5 constitute characterized by: the stay-supported displacement sensor 1 is connected with the AD sampling circuit 3, the AD sampling circuit 3 is connected with the microprocessor 4, and the voltage reference circuit 2 is respectively connected with the stay-supported displacement sensor 1 and the AD sampling circuit 3.
2. The lift height detecting device according to claim 1, wherein: the stay wire type displacement sensor 1 is a resistance type stay wire displacement sensor.
3. The lift height detecting device according to claim 1, wherein: the stay wire type displacement sensor 1 and the AD sampling circuit 3 are connected with the voltage reference circuit 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433762.1U CN211668465U (en) | 2020-03-30 | 2020-03-30 | Height detection device for lifting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020433762.1U CN211668465U (en) | 2020-03-30 | 2020-03-30 | Height detection device for lifting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211668465U true CN211668465U (en) | 2020-10-13 |
Family
ID=72742839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020433762.1U Expired - Fee Related CN211668465U (en) | 2020-03-30 | 2020-03-30 | Height detection device for lifting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211668465U (en) |
-
2020
- 2020-03-30 CN CN202020433762.1U patent/CN211668465U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 Termination date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |