CN210721589U

CN210721589U - Reliable black box data recorder

Info

Publication number: CN210721589U
Application number: CN201921956406.1U
Authority: CN
Inventors: 谢邦天
Original assignee: Weite Technologies Co ltd
Current assignee: Yichang Hanwei Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-09
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a reliable black casket data recorder, including core circuit power control module, external power source monitoring module and core circuit power module, core circuit power control module includes CPU, CPU's one end has the flash chip through mos pipe electric connection, CPU's the other end has the disk through mos pipe electric connection, CPU's the other end has other peripheral hardware through mos pipe electric connection, external power source monitoring module includes zener diode D52, zener diode electric connection has opto-coupler switch U51, core circuit power module includes farad electric capacity, farad electric capacity's one end electric connection has diode D3, farad electric capacity's other end electric connection has zener integrated chip U6. The utility model discloses circuit structure is although complicated, and the overall cost is lower, does not theoretically have the possibility that the record appearance makes mistakes, has promoted the reliability of record appearance greatly to can prolong the life of equipment.

Description

Reliable black box data recorder

Technical Field

The utility model belongs to the technical field of data record appearance, concretely relates to reliable black box data record appearance.

Background

Most of the existing crane data recording functions in the market are integrated in equipment, such as meters or monitoring systems such as a moment limiter, a lifting capacity limiter, a temperature polling instrument and a safety monitoring system, and are not separated from the structure of physical equipment. The recording function is realized by software and hardware means such as a clock chip, a storage chip, a file system, a communication protocol and the like, most of data has no standard format, and the data is integrated in the system and is easier to realize, and the cost is lower.

The disadvantages of this approach are also evident, mainly the following:

the recording is unreliable, and parameter errors are easy to occur in occasions of interference, forced power failure and the like, so that data in the latest period of time are lost; the data is unreliable, and when a catastrophic accident occurs, the data is damaged along with the equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reliable black casket data recorder, the monitoring of front end power supply state adopts the opto-coupler to keep apart, and use zener diode D52 to confirm opto-coupler switch U51 threshold, thereby increase the system reliability, increase farad capacitance at core circuit's power supply front end, the power of outside disconnected back core circuit is provided, the rear end adopts mos pipe as the switch, control other peripheral hardware, the power of flash chip and disk, thereby reduce the system consumption, and reliably separate the hanging disk through software, strengthen the security of disk, in order to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reliable black casket subdata data recorder, includes core circuit power control module, external power monitoring module and core circuit power module, core circuit power control module includes CPU, CPU's one end has the flash chip through mos pipe electric connection, CPU's the other end has the disk through mos pipe electric connection, CPU's the other end has other peripheral hardware through mos pipe electric connection, external power monitoring module includes zener diode D52, zener diode electric connection has opto-coupler switch U51, core circuit power module includes farad capacitance, farad capacitance's one end electric connection has diode D3, farad capacitance's the other end electric connection has voltage-stabilizing integrated chip U6.

Preferably, a resistor R51 is electrically connected between the zener diode D52 and the optocoupler switch U51, the other end of the optocoupler switch U51 is electrically connected with a resistor R52 and a capacitor C67, and one ends of the optocoupler switch U51 and the capacitor C67 are grounded.

Preferably, the farad capacitor and the diode D3 are electrically connected to a resistor R16, and one end of the farad capacitor is grounded.

Preferably, one end of the voltage regulation integrated chip U6 is electrically connected to a capacitor C20 and a capacitor C21, the capacitor C20 and the capacitor C21 are connected in parallel, and one end of the capacitor C20 and one end of the capacitor C21 are grounded.

Preferably, one end of the CPU, the flash chip, the magnetic disk and other peripheral devices is grounded.

Preferably, the voltage of the zener diode D52 is 18V.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the monitoring of front end power supply state adopts the opto-coupler to keep apart, and use zener diode D52 to confirm opto-coupler switch U51 threshold, thereby increase system reliability, increase farad capacitance at core circuit's power supply front end, the power of core circuit after providing the outside absolutely, the rear end adopts mos pipe as the switch, control other peripheral hardware, the power of flash chip and disk, thereby reduce system's consumption, and reliably hang the disk through software, strengthen the security of disk, this design circuit structure is although complicated, overall cost is lower, theoretically, there is not the possibility that the record appearance makes mistakes, the reliability of record appearance has been promoted greatly, and can prolong the life of equipment.

Drawings

Fig. 1 is a circuit diagram of a core circuit power control module of the present invention;

fig. 2 is a circuit diagram of the external power monitoring module of the present invention;

fig. 3 is a circuit diagram of the core circuit power supply module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a reliable black box subdata recorder comprises a core circuit power supply control module, an external power supply monitoring module and a core circuit power supply module, wherein the core circuit power supply control module comprises a CPU (central processing unit), one end of the CPU is electrically connected with a flash chip through a mos tube, the other end of the CPU is electrically connected with a magnetic disk through the mos tube, the other end of the CPU is electrically connected with other peripherals through the mos tube, and one ends of the CPU, the flash chip, the magnetic disk and the other peripherals are all grounded;

the external power supply monitoring module comprises a voltage-stabilizing diode D52, the voltage-stabilizing diode is electrically connected with an optocoupler switch U51, a resistor R51 is electrically connected between the voltage-stabilizing diode D52 and the optocoupler switch U51, the other end of the optocoupler switch U51 is electrically connected with a resistor R52 and a capacitor C67, one ends of the optocoupler switch U51 and the capacitor C67 are grounded, and the voltage of the voltage-stabilizing diode D52 is 18V;

the core circuit power module includes farad capacitance, farad capacitance's one end electric connection has diode D3, farad capacitance's other end electric connection has voltage regulation integrated chip U6, farad capacitance and diode D3 electric connection have resistance R16, just farad capacitance's one end ground connection, voltage regulation integrated chip U6's one end electric connection has electric capacity C20 and electric capacity C21, electric capacity C20 and electric capacity C21 are parallelly connected, just electric capacity C20 and electric capacity C21's one end ground connection.

The working principle is as follows: firstly, a recorder is electrified, and relevant parameters are read from a flash chip to a memory. The recorder receives the recorded data through an RS485 or RS232 interface, when the recorded data are received, the recorded data are written into a flash chip or a magnetic disk, and parameters (statistical data, write-in addresses and the like) which are related to real-time change are only modified without being written into the flash chip; when the recorder detects that the most front end is powered off, the core CPU immediately cuts off the power supply of other peripheral equipment to reduce the power consumption, only reserves the power supply of the flash and the disk, updates related parameters after the last recorded data is written in, writes the related parameters into the flash chip, and reliably unloads the disk.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reliable black casket data recorder, includes core circuit power control module, external power monitoring module and core circuit power module, its characterized in that: the core circuit power control module includes CPU, CPU's one end has the flash chip through mos pipe electric connection, CPU's the other end has the disk through mos pipe electric connection, CPU's the other end has other peripheral hardware through mos pipe electric connection, external power source monitoring module includes zener diode D52, zener diode electric connection has opto-coupler switch U51, core circuit power module includes farad capacitance, farad capacitance's one end electric connection has diode D3, farad capacitance's the other end electric connection has steady voltage integrated chip U6.

2. A reliable black box data recorder according to claim 1 wherein: the voltage-stabilizing diode D52 is connected with resistance R51 with the electrical connection between opto-coupler switch U51, the other end electrical connection of opto-coupler switch U51 has resistance R52 and electric capacity C67, the one end ground connection of opto-coupler switch U51 and electric capacity C67.

3. A reliable black box data recorder according to claim 1 wherein: the farad capacitor and the diode D3 are electrically connected with a resistor R16, and one end of the farad capacitor is grounded.

4. A reliable black box data recorder according to claim 1 wherein: one end of the voltage-stabilizing integrated chip U6 is electrically connected with a capacitor C20 and a capacitor C21, the capacitor C20 and the capacitor C21 are connected in parallel, and one ends of the capacitor C20 and the capacitor C21 are grounded.

5. A reliable black box data recorder according to claim 1 wherein: one end of the CPU, one end of the flash chip, one end of the magnetic disk and one end of other peripheral equipment are all grounded.

6. A reliable black box data recorder according to claim 1 wherein: the voltage of the zener diode D52 is 18V.