CN216361970U - Diagnostic data storage device for rail transit terminal switch - Google Patents
Diagnostic data storage device for rail transit terminal switch Download PDFInfo
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- CN216361970U CN216361970U CN202121696613.5U CN202121696613U CN216361970U CN 216361970 U CN216361970 U CN 216361970U CN 202121696613 U CN202121696613 U CN 202121696613U CN 216361970 U CN216361970 U CN 216361970U
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- 238000013500 data storage Methods 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000003745 diagnosis Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model provides a diagnostic data storage device for a rail transit terminal switch, which comprises: the complex programmable logic device is connected with the switch diagnosis chip through an I2C bus and is connected with the electrified erasable programmable read-only memory; the complex programmable logic device is connected with an external serial interface; the external serial interface is in matched communication connection with the USB flash disk; the device also comprises an encryption shell, wherein the encryption shell is fixedly arranged on an operation console of the rail transit central control room; a partition board is arranged in the encryption shell, the encryption shell is divided into an inner layer and an outer layer by the partition board, the complex programmable logic device and the electrified erasable programmable read-only memory are both arranged on the inner layer, and an external serial interface is arranged on the partition board and is exposed on the outer layer; the outermost side of the encryption shell is provided with an encryption cover, the encryption cover seals the outer space, and the edge of the encryption cover and the edge of the encryption shell are matched to form a fingerprint lock. The utility model simplifies the personnel operation and enhances the convenience of the switch diagnosis data processing.
Description
Technical Field
The utility model belongs to the technical field of rail transit, and particularly relates to a diagnostic data storage device for a rail transit-side switch.
Background
The network influences the aspects of people's life, and train network communication technology has also had more quick development in the rail transit field, because ethernet has the characteristics that data transmission is fast, equipment compatibility is good, use extensively, and its application of technology in vehicle internal network communication has become inevitable development trend, and the switch is as train ethernet network communication's key equipment, needs the diagnosis switch health status regularly, satisfies the reliability of network.
At present, because the train is locally networked in the field of rail transit, train operation and maintenance personnel need to carry a computer to get on the train and input a relatively complex operation and maintenance instruction to complete the health diagnosis of the switch.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, the present invention provides a diagnostic data storage device for a rail transit side switch, so as to solve the above-mentioned technical problems.
The utility model provides a diagnostic data storage device for a rail transit terminal switch, which comprises: the complex programmable logic device is connected with the switch diagnosis chip through an I2C bus and is connected with the electrified erasable programmable read-only memory; the complex programmable logic device is connected with an external serial interface; the external serial interface is in matched communication connection with the USB flash disk; the device also comprises an encryption shell, wherein the encryption shell is fixedly arranged on an operation console of the rail transit central control room; a partition board is arranged in the encryption shell, the encryption shell is divided into an inner layer and an outer layer by the partition board, the complex programmable logic device and the electrified erasable programmable read-only memory are both arranged on the inner layer, and the external serial interface is arranged on the partition board and exposed on the outer layer; the outermost side of the encryption shell is provided with an encryption cover, the encryption cover seals the outer space, and a fingerprint lock is arranged on the edge of the encryption cover and the edge of the encryption shell in a matched mode.
Furthermore, a drive control chip of the fingerprint lock is connected with the sound alarm, and the drive control chip controls the sound alarm to play an alarm prompt tone according to the operation information of the unauthorized user.
Further, the USB flash disk comprises a shell inserting part, a shell grasping part and a plug part, wherein the shell inserting part and the shell grasping part are integrally formed, and the plug part is fixed at the front end of the shell inserting part; and a groove matched with the size of the insertion part is arranged at the position for fixing the external serial interface on the partition plate.
Furthermore, a first metal contact and a second metal contact which are telescopic are respectively arranged on two sides of the insertion part of the shell, and the first metal contact is electrically connected with the second metal contact; a first arc-shaped sheet and a second arc-shaped sheet which are matched with the first metal contact and the second metal contact in position are arranged in the groove; the first arc-shaped piece and the second arc-shaped piece are respectively connected with the anode and the cathode of the direct-current power supply, and a resistor is connected in series with a circuit between the first arc-shaped piece and the power supply or a circuit between the second arc-shaped piece and the power supply; a potential detection node is arranged on a line between the first arc-shaped piece and the power supply or a line between the second arc-shaped piece and the power supply, and the potential detection node is connected with a potential detection pin of the complex programmable logic device; the complex programmable logic device triggers a data transmission module according to the potential change signal, the data transmission module sends data in the electrified erasable programmable read-only memory to the USB flash disk, and the sent data is erased from the electrified erasable programmable read-only memory.
Further, an LED indicator light is installed outside the encryption shell and connected with a complex programmable logic device, and the LED indicator light is used for indicating the electric quantity when the complex programmable logic device detects that the electrified erasable programmable read-only memory is about to be full.
Furthermore, the complex programmable logic device is connected with a Bluetooth module.
The beneficial effect of the utility model is that,
the diagnostic data storage device for the rail transit-side switch, provided by the utility model, can store the diagnostic data of the switch, and can automatically forward the stored diagnostic data to the portable special USB flash disk, so that the operation of personnel is simplified, and the convenience in processing the diagnostic data of the switch is enhanced.
In addition, the utility model has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a configuration of a rail transit side switch diagnostic data storage device according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a USB flash drive plug-in portion of a rail transit side switch diagnostic data storage device according to an embodiment of the present application;
wherein, 1, a complex programmable logic device; 2. a charged erasable programmable read-only memory; 3. an external serial interface; 31. a groove; 32. a first arcuate segment; 33. a second arc piece; 4. encrypting the shell; 41. a partition plate; 42. an encryption cover; 43. a fingerprint lock; 51. a housing insertion portion; 52. a housing grip; 53. a plug portion; 54. a first metal contact; 55. a second metal contact.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
Referring to fig. 1, the present embodiment provides a diagnostic data storage device for a rail transit side switch, including: the device comprises a complex programmable logic device 1, wherein the complex programmable logic device 1 is connected with a switch diagnosis chip through an I2C bus, and the complex programmable logic device 1 is connected with a charged erasable programmable read only memory 2; the complex programmable logic device 1 is connected with an external serial interface 3; the external serial interface 3 is connected with the USB flash disk in a matching communication way; the device also comprises an encryption shell 4, wherein the encryption shell 4 is fixedly arranged on an operation table of a rail transit central control room; a partition plate 41 is arranged in the encryption shell 4, the encryption shell 4 is divided into an inner layer and an outer layer by the partition plate 41, the complex programmable logic device 1 and the charged erasable programmable read only memory 2 are both arranged in the inner layer, and the external serial interface 3 is arranged on the partition plate 41 and is exposed out of the outer layer; the outermost side of the encryption shell 4 is provided with an encryption cover 42, the encryption cover 42 closes the outer space, and the edges of the encryption cover 42 and the encryption shell 4 are matched with each other to form a fingerprint lock 43. The drive control chip of the fingerprint lock 43 is connected with the sound alarm, and the drive control chip controls the sound alarm to play an alarm prompt tone according to the operation information of the unauthorized user.
When a user needs to collect diagnostic data, an administrator verifies administrator information in the fingerprint lock 43, the encryption cover 42 is opened after verification, the user inserts a USB flash disk (U disk) into the external serial interface 3, the complex programmable logic device 1CPLD transmits the diagnostic data stored in the EEPROM of the electrified erasable programmable read only memory 2 to the USB flash disk through the external serial interface 3, and the transmitted data are directly erased from the EEPROM. Meanwhile, the CPLD periodically writes the diagnostic data generated by the switch diagnostic chip into the EEPROM.
Example 2
The embodiment provides a rail transit side switch diagnosis data storage device, includes: the device comprises a complex programmable logic device 1, wherein the complex programmable logic device 1 is connected with a switch diagnosis chip through an I2C bus, and the complex programmable logic device 1 is connected with a charged erasable programmable read only memory 2; the complex programmable logic device 1 is connected with an external serial interface 3; the external serial interface 3 is connected with the USB flash disk in a matching communication way; the device also comprises an encryption shell 4, wherein the encryption shell 4 is fixedly arranged on an operation table of a rail transit central control room; a partition plate 41 is arranged in the encryption shell 4, the encryption shell 4 is divided into an inner layer and an outer layer by the partition plate 41, the complex programmable logic device 1 and the charged erasable programmable read only memory 2 are both arranged in the inner layer, and the external serial interface 3 is arranged on the partition plate 41 and is exposed out of the outer layer; the outermost side of the encryption shell 4 is provided with an encryption cover 42, the encryption cover 42 closes the outer space, and the edges of the encryption cover 42 and the encryption shell 4 are matched with each other to form a fingerprint lock 43. The drive control chip of the fingerprint lock 43 is connected with the sound alarm, and the drive control chip controls the sound alarm to play an alarm prompt tone according to the operation information of the unauthorized user.
Referring to fig. 2, the USB flash drive includes a housing insertion portion 51, a housing grasping portion 52, and a plug portion 53, wherein the housing insertion portion 51 is integrally formed with the housing grasping portion 52, and the plug portion 53 is fixed to a front end of the housing insertion portion 51; a groove 31 matched with the size of the insertion part is arranged on the partition plate 41 at the position for fixing the external serial interface 3. The shell shape of the USB flash disk is customized, the common USB flash disk is filtered, and the inserted USB flash disk is ensured to be the special USB disk of the device as much as possible.
In order to further determine the identity of the inserted USB flash disk, a first metal contact 54 and a second metal contact 55 which are telescopic are respectively arranged on two sides of the shell insertion part 51, and the first metal contact 54 is electrically connected with the second metal contact 55; a first arc-shaped sheet 32 and a second arc-shaped sheet 33 which are matched with the first metal contact 54 and the second metal contact 55 in position are arranged in the groove 31; the first arc-shaped piece 32 and the second arc-shaped piece 33 are respectively connected with the positive electrode and the negative electrode of the direct-current power supply, and a circuit between the first arc-shaped piece 32 and the power supply or a circuit between the second arc-shaped piece 33 and the power supply is connected with a resistor in series; a potential detection node is arranged on a line between the first arc-shaped piece 32 and the power supply or a line between the second arc-shaped piece 33 and the power supply, and the potential detection node is connected with a potential detection pin of the complex programmable logic device 1; the complex programmable logic device 1 triggers a data transmission module according to the potential change signal, the data transmission module sends the data in the electrified erasable programmable read-only memory 2 to the USB flash disk, and the sent data is erased from the electrified erasable programmable read-only memory 2.
Before the USB flash drive is inserted into the external serial interface 3, the first arc-shaped piece 32 and the second arc-shaped piece 33 are disconnected. When the USB flash disk is inserted, the first arc-shaped piece 32 contacts the first contact, the second arc-shaped piece 33 contacts the second contact, and a power-on loop is formed at the moment, and the potential of the potential detection node changes. After the potential of the CPLD changes, the CPLD triggers a data transmission module, the data transmission module sends the data in the electrified erasable programmable read-only memory 2 to the USB flash disk, and the sent data is erased from the electrified erasable programmable read-only memory 2.
An LED indicator light is arranged outside the encryption shell 4 and connected with the complex programmable logic device 1, and the complex programmable logic device 1 detects the electric quantity LED indicator light when the charged erasable programmable read-only memory 2 is about to be full. The complex programmable logic device 1 is connected with a Bluetooth module.
The CPLD prompts a user to copy the diagnosis data in time by controlling the LED indicator lamp, so that the data is prevented from being covered by new data. The user can connect with the Bluetooth module by using a mobile phone and then read the diagnostic data after passing the authentication (such as check code authentication).
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A rail transit side switch diagnostic data storage device comprising: the complex programmable logic device is connected with the switch diagnosis chip through an I2C bus and is connected with the electrified erasable programmable read-only memory; the complex programmable logic device is connected with an external serial interface; the external serial interface is in matched communication connection with the USB flash disk; the device also comprises an encryption shell, wherein the encryption shell is fixedly arranged on an operation console of the rail transit central control room; a partition board is arranged in the encryption shell, the encryption shell is divided into an inner layer and an outer layer by the partition board, the complex programmable logic device and the electrified erasable programmable read-only memory are both arranged on the inner layer, and the external serial interface is arranged on the partition board and exposed on the outer layer; the outermost side of the encryption shell is provided with an encryption cover, the encryption cover seals the outer space, and a fingerprint lock is arranged on the edge of the encryption cover and the edge of the encryption shell in a matched mode.
2. The diagnostic data storage device for the rail transit terminal switch as claimed in claim 1, wherein the driving control chip of the fingerprint lock is connected with an audible alarm, and the driving control chip controls the audible alarm to play an alarm prompt tone according to the operation information of the unauthorized user.
3. The rail transit side switch diagnostic data storage device of claim 1, wherein the USB flash drive includes a housing insertion portion, a housing grip portion, and a plug portion, the housing insertion portion being integrally formed with the housing grip portion, the plug portion being fixed at a front end of the housing insertion portion; and a groove matched with the size of the insertion part is arranged at the position for fixing the external serial interface on the partition plate.
4. The rail transit side switch diagnostic data storage device of claim 3, wherein a first metal contact and a second metal contact are provided on either side of the housing insertion portion, and are retractable, respectively, the first metal contact and the second metal contact being electrically connected; a first arc-shaped sheet and a second arc-shaped sheet which are matched with the first metal contact and the second metal contact in position are arranged in the groove; the first arc-shaped piece and the second arc-shaped piece are respectively connected with the anode and the cathode of the direct-current power supply, and a resistor is connected in series with a circuit between the first arc-shaped piece and the power supply or a circuit between the second arc-shaped piece and the power supply; a potential detection node is arranged on a line between the first arc-shaped piece and the power supply or a line between the second arc-shaped piece and the power supply, and the potential detection node is connected with a potential detection pin of the complex programmable logic device; the complex programmable logic device triggers a data transmission module according to the potential change signal, the data transmission module sends data in the electrified erasable programmable read-only memory to the USB flash disk, and the sent data is erased from the electrified erasable programmable read-only memory.
5. The rail transit side switch diagnostic data storage device of claim 1, wherein an LED indicator is mounted on the exterior of the encryption housing and is connected to a complex programmable logic device that lights the LED indicator when it is detected that the charged erasable programmable read only memory is about to be filled.
6. The rail transit side switch diagnostic data storage device of claim 1, wherein the complex programmable logic device is coupled to a bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696613.5U CN216361970U (en) | 2021-07-23 | 2021-07-23 | Diagnostic data storage device for rail transit terminal switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696613.5U CN216361970U (en) | 2021-07-23 | 2021-07-23 | Diagnostic data storage device for rail transit terminal switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216361970U true CN216361970U (en) | 2022-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121696613.5U Active CN216361970U (en) | 2021-07-23 | 2021-07-23 | Diagnostic data storage device for rail transit terminal switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216361970U (en) |
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2021
- 2021-07-23 CN CN202121696613.5U patent/CN216361970U/en active Active
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