CN113628361B - Non-contact forklift data recorder - Google Patents
Non-contact forklift data recorder Download PDFInfo
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- CN113628361B CN113628361B CN202110757024.1A CN202110757024A CN113628361B CN 113628361 B CN113628361 B CN 113628361B CN 202110757024 A CN202110757024 A CN 202110757024A CN 113628361 B CN113628361 B CN 113628361B
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- chip
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- data
- circuit board
- power supply
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of forklifts, and provides a non-contact forklift data recorder which comprises a charging seat, wherein a base is movably connected to the charging seat; a protective cover is arranged at the top of the base and is connected with the base through an escape slot; the charging seat is provided with a power supply circuit board and a data transmission interface, the storage circuit board is fixedly connected in the protective cover and is used for supplying power wirelessly through the power supply circuit board, and data stored in the storage circuit board are transmitted through the data transmission interface through laser wireless communication. The invention has the advantages that the escape slot is arranged at the contact part of the protective cover and the base, when the equipment is destructively impacted, the protective cover and the storage circuit board can escape preferentially, so that the data is ensured not to be destroyed, and the storage circuit board is powered in a wireless power supply mode and is subjected to data transmission through laser wireless communication, so that the storage circuit board is ensured not to be influenced when the equipment is destructively impacted.
Description
Technical Field
The invention relates to the technical field of forklifts, in particular to a non-contact forklift data recorder.
Background
Data loggers are commonly used in conjunction with sensors to convert physical quantities and excitation signals to be measured into electrical signals, such as voltages and currents. These electrical signals are then converted or digitized into binary data. Binary data is very easy to analyze in software and store on a PC hard disk or other storage medium such as memory cards and CD discs.
Each data logger must contain some components: the hardware device for digitizing the recorded signals includes a sensor, a signal conditioning device, and analog to digital conversion hardware.
A long term data storage device, typically PC data logging software, is an instrument used to perform data collection, analysis, and presentation of changes in one or more variables over time or another into a recognizable and readable signal. It can save the recorded signal changes for analysis processing.
The recorder is characterized by automatically recording the slow change process and the transient level change process of the periodic or non-periodic multipath signals.
The existing forklift recorder is in a wired mode or an instrument built-in mode, is simple in structure and is easy to damage.
Disclosure of Invention
The invention aims to provide a non-contact forklift data recorder which is used for solving the problems.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the non-contact forklift data recorder comprises a charging seat, wherein a base is movably connected to the charging seat;
a protective cover is arranged at the top of the base and is connected with the base through an escape slot;
the charging seat is provided with a power supply circuit board and a data transmission interface, a storage circuit board is fixedly connected in the protective cover, the storage circuit board is used for supplying power wirelessly through the power supply circuit board, and data stored in the storage circuit board are transmitted through the data transmission interface by laser wireless communication.
Furthermore, the charging seat is fixedly connected with the base through a baffle rod.
Further, the protective cover is of a spherical structure.
Further, a wireless transmitting circuit and a power input interface are arranged on the power supply circuit board;
the power input interface is connected with the data transmission interface; the wireless transmitting circuit comprises a transmitting chip, a first pin of the transmitting chip is connected with a power input interface, the first pin of the transmitting chip is also connected with a third pin of the transmitting chip through a transmitting coil, and a twenty-eighth capacitor is connected with two ends of the transmitting coil in parallel.
Further, the memory circuit board includes:
the control and storage module comprises a control chip and a storage chip, wherein the control chip is used for storing data transmitted to the recorder to the storage chip through the control chip and reading corresponding data in the storage chip according to a preset instruction;
the signal transmission module is used for carrying out data transmission between the storage chip and the data transmission interface in a laser wireless communication mode;
and the wireless receiving power supply module is used for receiving the electric energy transmitted by the transmitting coil and supplying power to the control and storage module and the signal transmission module.
Further, the signal transmission module includes:
the signal receiving circuit is used for receiving the data sent by the data transmission interface and storing the data into the memory chip;
the signal transmitting circuit is used for transmitting corresponding data in the memory chip to the data transmission interface according to a preset instruction;
and the clock signal transmitting circuit is used for transmitting a clock signal to the data transmission interface according to a preset instruction.
Further, the signal receiving circuit comprises a first operational amplifier, a first port of the first operational amplifier is connected with the control chip, a third port of the operational amplifier is connected with the positive electrode of the first light emitting diode, and the negative electrode of the first light emitting diode is grounded.
Further, the signal transmitting circuit comprises a second operational amplifier, a seventh port of the second operational amplifier is connected with the positive electrode of the first laser transmitting tube, the negative electrode of the first laser transmitting tube is grounded, and a fifth port of the second operational amplifier is connected with the control chip.
Further, the clock signal transmitting circuit comprises a third operational amplifier, a seventh port of the third operational amplifier is connected with the positive electrode of the second laser transmitting tube, the negative electrode of the second laser transmitting tube is grounded, and a fifth port of the third operational amplifier is connected with the control chip.
Further, the wireless receiving power supply module includes:
the wireless charging receiving circuit comprises a receiving chip, a second pin of the receiving chip is connected with a receiving coil, the receiving coil is coupled with the transmitting coil to transmit electric energy, and a third pin of the receiving chip outputs a first power supply voltage;
the voltage conversion circuit is used for converting the first power supply voltage into a second power supply voltage, and the second power supply voltage is used for supplying power to the control chip and the storage chip.
Compared with the prior art, the invention at least comprises the following beneficial effects:
(1) According to the invention, the escape groove is arranged at the contact part of the protective cover and the base, so that the protective cover and the storage circuit board can escape preferentially when the equipment is destructively impacted, and further, the data is prevented from being destroyed;
(2) The spherical structure has stronger pressure resistance and is more beneficial to protecting the storage circuit board placed therein;
(3) The storage circuit board is powered in a wireless power supply mode and data transmission is carried out through laser wireless communication, so that the storage circuit board is prevented from being affected when being damaged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a recorder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a charging stand according to an embodiment of the present invention;
FIG. 3 is a schematic view of a base and a protective cover according to an embodiment of the present invention;
FIG. 4 is a second schematic structural view of the base and the protective cover according to the embodiment of the present invention;
FIG. 5 is a circuit diagram of a power board in an embodiment of the invention;
FIG. 6 is a circuit diagram of a control chip and its peripheral circuits in a control and memory module according to an embodiment of the present invention;
FIG. 7 is a circuit diagram of a memory chip and its peripheral circuits in a control and memory module according to an embodiment of the present invention;
FIG. 8 is a circuit diagram of a signal transmission module according to an embodiment of the present invention;
fig. 9 is a circuit diagram of a wireless receiving power module in an embodiment of the invention.
In the figure, 1, charging seat, 11, data transmission interface, 2, base, 21, escape slot, 22, handle, 3, safety cover, 4, shelves pole.
Detailed Description
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the non-contact forklift data recorder of the invention comprises a charging seat 1, wherein a base 2 is clamped on the charging seat 1;
a protective cover 3 is arranged at the top of the base 2, and the protective cover 3 is connected with the base 2 through an escape slot 21;
the charging seat 1 is provided with a power supply circuit board and a data transmission interface 11, a storage circuit board is fixedly connected in the protective cover 3, the storage circuit board is used for supplying power wirelessly through the power supply circuit board, and data stored in the storage circuit board are transmitted through the data transmission interface through laser wireless communication.
Specifically, three interfaces on the charging seat 1, including a data receiving interface DI, a data transmitting interface DO and a clock signal transmitting interface CLK, are connected to the charging seat through data lines, and are connected to three corresponding interfaces on the base 2, so that relevant data information can be received or transmitted between the forklift and the recorder.
Preferably, the charging seat 1 is fixedly connected with the base 2 through a stop lever 4, the charging seat 1 is limited to slide relatively between the charging seat 1 and the base 2 through the stop lever 4, and the base 2 is further provided with a handle 22, so that a user can conveniently take down the base 2 from the charging seat 1.
The protection cover 3 is of a spherical structure, and the spherical structure has stronger pressure resistance and is more beneficial to protecting a storage circuit board placed in the protection cover.
According to the invention, the escape groove 21 is arranged at the contact part of the protective cover 3 and the base 2, so that the protective cover 3 and the storage circuit board can escape preferentially when the equipment is destructively impacted, and further, the data is prevented from being destroyed.
In addition, all be provided with the work pilot lamp on charging seat 1 and base 2, can receive the working signal of memory circuit board through three interfaces on the charging seat 1, show the holistic operating condition of data record appearance through the work pilot lamp.
As shown in fig. 5, a wireless transmitting circuit and a power input interface are arranged on a power supply circuit board; the power input interface is connected to a data transmission interface 11, which is similar to an air interface, and integrates power input and data transmission into one interface. The wireless transmitting circuit comprises a transmitting chip U6, a first pin of the transmitting chip U6 is connected with a power input interface, the first pin of the transmitting chip U6 is also connected with a third pin of the transmitting chip U6 through a transmitting coil L4, and a twenty-eighth capacitor C28 is connected at two ends of the transmitting coil in parallel.
The transmitting chip U6 transmits electric energy of an external power supply through a coil coupling mode through the transmitting coil L4, and then the power supply of the storage circuit board is provided with the electric energy, so that no wire connection exists between the charging seat 1 and the base 2, and the storage circuit board can better help escape when being impacted.
As shown in fig. 6 to 8, the memory circuit board includes:
the control and storage module comprises a control chip U1 and a storage chip U2, wherein the control chip U1 is used for storing data transmitted to the recorder into the storage chip U2 through the control chip U1 and reading corresponding data in the storage chip U2 according to a preset instruction.
And the signal transmission module is used for carrying out data transmission between the memory chip U2 and the data transmission interface in a laser wireless communication mode.
And the wireless receiving power supply module is used for receiving the electric energy transmitted by the transmitting coil L4 to supply power for the control and storage module and the signal transmission module.
Wherein, the signal transmission module includes:
and the signal receiving circuit is used for receiving the data sent by the data transmission interface and storing the data into the memory chip U2.
The signal receiving circuit comprises a first operational amplifier U5A, a first port of the first operational amplifier is connected with a twenty-second pin of the control chip U1, a third port of the operational amplifier is connected with the positive electrode of the first light emitting diode D4, and the negative electrode of the first light emitting diode D4 is grounded.
And the signal transmitting circuit is used for transmitting corresponding data in the memory chip to the data transmission interface according to a preset instruction.
The signal transmitting circuit comprises a second operational amplifier U5B, a seventh port of the second operational amplifier U5B is connected with the positive electrode of the first laser transmitting tube D3, the negative electrode of the first laser transmitting tube D3 is grounded, and a fifth port of the second operational amplifier U5B is connected with a twenty-third pin of the control chip U1.
And the clock signal transmitting circuit is used for transmitting a clock signal to the data transmission interface according to a preset instruction.
The clock signal transmitting circuit comprises a third operational amplifier U6B, a seventh port of the third operational amplifier U6B is connected with the positive electrode of the second laser transmitting tube D, the negative electrode of the second laser transmitting tube D is grounded, and a fifth port of the third operational amplifier U6B is connected with a fifteenth pin of the control chip U1.
The invention transmits and receives data between the laser transmitting tube and the data transmission interface, so that the storage circuit board and the data transmission interface are not connected in a physical structure, and the transmitted light beam of the laser is narrow due to the linear directional propagation mode of the laser, the directivity is good, the divergence angle of the laser beam is usually in milliradian or even micro radian level, thus the confidentiality of data transmission is realized, and unless a communication link is cut off, the data is not easy to leak.
As shown in fig. 9, the wireless receiving power supply module includes a wireless charging receiving circuit and a voltage converting circuit.
The wireless charging receiving circuit comprises a receiving chip U3, wherein a second pin of the receiving chip U3 is connected with a receiving coil L2, the receiving coil L2 and a transmitting coil L4 are coupled to transmit electric energy, and a third pin of the receiving chip U3 outputs a first power supply voltage;
the voltage conversion circuit is used for converting the first power supply voltage into a second power supply voltage, and the second power supply voltage is used for supplying power to the control chip U1 and the storage chip U2.
The invention adopts a wireless power supply mode to supply power to the storage circuit board and adopts laser wireless communication to carry out data transmission, so that the storage circuit board is ensured not to be affected when being destructively impacted.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A non-contact forklift data recorder is characterized in that,
the charging device comprises a charging seat, wherein a base is movably connected to the charging seat;
a protective cover is arranged at the top of the base and is connected with the base through an escape slot;
the charging seat is provided with a power supply circuit board and a data transmission interface, a storage circuit board is fixedly connected in the protective cover, the storage circuit board is used for supplying power wirelessly through the power supply circuit board, and data stored in the storage circuit board are transmitted through the data transmission interface by laser wireless communication;
the charging seat is fixedly connected with the base through a baffle rod.
2. A non-contact forklift data logger according to claim 1, wherein,
the protective cover is of a spherical structure.
3. A non-contact forklift data logger according to claim 1, wherein,
the power supply circuit board is provided with a wireless transmitting circuit and a power input interface;
the power input interface is connected with the data transmission interface; the wireless transmitting circuit comprises a transmitting chip, a first pin of the transmitting chip is connected with a power input interface, the first pin of the transmitting chip is also connected with a third pin of the transmitting chip through a transmitting coil, and a twenty-eighth capacitor is connected with two ends of the transmitting coil in parallel.
4. A non-contact forklift data logger according to claim 3, wherein,
the memory circuit board includes:
the control and storage module comprises a control chip and a storage chip, wherein the control chip is used for storing data transmitted to the recorder to the storage chip through the control chip and reading corresponding data in the storage chip according to a preset instruction;
the signal transmission module is used for carrying out data transmission between the storage chip and the data transmission interface in a laser wireless communication mode;
and the wireless receiving power supply module is used for receiving the electric energy transmitted by the transmitting coil and supplying power to the control and storage module and the signal transmission module.
5. The non-contact forklift data logger according to claim 4, wherein,
the signal transmission module includes:
the signal receiving circuit is used for receiving the data sent by the data transmission interface and storing the data into the memory chip;
the signal transmitting circuit is used for transmitting corresponding data in the memory chip to the data transmission interface according to a preset instruction;
and the clock signal transmitting circuit is used for transmitting a clock signal to the data transmission interface according to a preset instruction.
6. The non-contact forklift data logger according to claim 5, wherein,
the signal receiving circuit comprises a first operational amplifier, a first port of the first operational amplifier is connected with the control chip, a third port of the operational amplifier is connected with the positive electrode of the first light emitting diode, and the negative electrode of the first light emitting diode is grounded.
7. The non-contact forklift data logger according to claim 5, wherein,
the signal transmitting circuit comprises a second operational amplifier, a seventh port of the second operational amplifier is connected with the positive electrode of the first laser transmitting tube, the negative electrode of the first laser transmitting tube is grounded, and a fifth port of the second operational amplifier is connected with the control chip.
8. The non-contact forklift data logger according to claim 5, wherein,
the clock signal transmitting circuit comprises a third operational amplifier, a seventh port of the third operational amplifier is connected with the positive electrode of the second laser transmitting tube, the negative electrode of the second laser transmitting tube is grounded, and a fifth port of the third operational amplifier is connected with the control chip.
9. The non-contact forklift data logger according to claim 4, wherein,
the wireless receiving power supply module comprises:
the wireless charging receiving circuit comprises a receiving chip, a second pin of the receiving chip is connected with a receiving coil, the receiving coil is coupled with the transmitting coil to transmit electric energy, and a third pin of the receiving chip outputs a first power supply voltage;
the voltage conversion circuit is used for converting the first power supply voltage into a second power supply voltage, and the second power supply voltage is used for supplying power to the control chip and the storage chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110757024.1A CN113628361B (en) | 2021-07-05 | 2021-07-05 | Non-contact forklift data recorder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110757024.1A CN113628361B (en) | 2021-07-05 | 2021-07-05 | Non-contact forklift data recorder |
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| CN113628361A CN113628361A (en) | 2021-11-09 |
| CN113628361B true CN113628361B (en) | 2023-06-09 |
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| CN114783083A (en) * | 2021-12-11 | 2022-07-22 | 上海麦腾物联网技术有限公司 | Fully-closed automobile EDR box |
| CN114882613A (en) * | 2022-06-08 | 2022-08-09 | 杭州测质成科技有限公司 | Vehicle-mounted data recorder with strong impact resistance |
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| CN113628361A (en) | 2021-11-09 |
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