Portable multi-channel double-track flaw detection information acquisition host

Abstract

The utility model discloses a portable multi-channel double-track flaw detection information acquisition host which comprises a host box body, an interface module, a power supply module, two multi-channel flaw detection modules and a switch module, wherein the two multi-channel flaw detection modules are respectively marked as a left multi-channel flaw detection module and a right multi-channel flaw detection module; wherein the interface module, the power supply module, the left multi-channel flaw detection module, the right multi-channel flaw detection module and the switch module are all arranged in the host box body. The multi-channel ultrasonic probe signal processing unit, the data processing unit, the power supply module and the switch module are designed in the host box body, so that the structure is compact, and the carrying and the transportation are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of rail damage ultrasonic detection, and relates to a portable multi-channel double-track flaw detection information acquisition host computer. BACKGROUND

[0002] With the continuous increase of railway train running speed and traffic volume, under the high-speed driving state of the train, the steel rail is subjected to the rolling of the vehicle load and the friction of the wheel set, which aggravates the development of the fatigue damage of the steel rail and seriously threatens the safe operation of the line. The ordinary small flaw detector consumes manpower and has low flaw detection efficiency in operation. UTILITY MODEL CONTENTS

[0003] According to the problems in the background, the application provides a portable multi-channel double-track flaw detection information acquisition host computer. The host computer has 28 detection channels, has wide flaw detection coverage, improves the efficiency and range of single operation, can complete the rail flaw detection operation in a short time, reduces the detection cost, and improves the work efficiency. The host computer adopts an all-aluminum alloy body and is suitable for detecting various defects in 43kg / m-75kg / m steel rail base materials.

[0004] The utility model technical scheme is as follows:

[0005] A portable multi-channel double-track flaw detection information acquisition host computer, which comprises a host box body, an interface module, a power module, two multi-channel flaw detection modules, and a switch module, and the two multi-channel flaw detection modules are respectively denoted as a left multi-channel flaw detection module and a right multi-channel flaw detection module. The interface module (1), the power module (2), the left multi-channel flaw detection module (3), the right multi-channel flaw detection module (4), and the switch module (5) are all arranged in the host box body. The encoder interface of the interface module is connected with the left multi-channel flaw detection module. The left probe group interface of the interface module is connected with the left multi-channel flaw detection module through a coaxial cable. The right probe group interface of the interface module is connected with the right multi-channel flaw detection module through a coaxial cable. The DC12V power supply interface of the interface module is connected with the power module. The network cable interface of the interface module is connected with the network cable interface of the switch module. The DC12V output interface of the power module is connected with the DC12V input interface of the left multi-channel flaw detection module, the DC12V input interface of the right multi-channel flaw detection module, and the DC12V input interface of the switch module. The -250V output interface of the power module is connected with the -250V input interface of the left multi-channel flaw detection module and the -250V input interface of the right multi-channel flaw detection module. The synchronization signal interface of the left multi-channel flaw detection module is connected with the synchronization interface of the right multi-channel flaw detection module. The network cable interface of the switch module is connected with the network cable interface of the left multi-channel flaw detection module, the network cable interface of the right multi-channel flaw detection module, and the output network cable interface of the interface module.

[0006] Preferably, the interface module is composed of a 1-way direct current 12V power supply interface, a 28-channel ultrasonic probe interface, a 1-way encoder interface, and a 1-way network interface; the left multi-channel flaw detection module includes 14-way ultrasonic probe access, 1-way encoder input, 1-way synchronization signal output, and 1-way network communication output, and the left multi-channel flaw detection module transmits 14-way ultrasonic sound path data and encoder displacement data to the switch module; the right multi-channel flaw detection module includes 14-way ultrasonic probe access, 1-way synchronization signal input, and 1-way network communication output, and the right multi-channel flaw detection module transmits 14-way ultrasonic sound path data to the switch module; the switch module realizes data exchange between the network interface external device of the interface module and the left multi-channel flaw detection module and the right multi-channel flaw detection module; the power module supplies power to the left multi-channel flaw detection module, the right multi-channel flaw detection module, and the switch module.

[0007] Preferably, the power module is externally connected to a 12V direct current power supply input through the interface module, and is composed of one power filter and two DC-DC voltage stabilizers; both of the two DC-DC voltage stabilizers are 12V-to-250V output negative voltage regulators.

[0008] Preferably, the multi-channel flaw detection module is composed of one data interaction unit, one data processing unit, two high-speed processing units, and eight signal processing units; the data interaction unit is connected to the data processing unit through an RMII interface; the data processing unit is connected to the first high-speed processing unit;

[0009] The first high-speed processing unit is connected to the first signal processing unit, the second signal processing unit, the third signal processing unit, the fourth signal processing unit, the displacement signal receiving unit, the second high-speed processing unit, and the data processing unit, the first high-speed processing unit drives and collects signals together to the data processing unit for processing and operation;

[0010] The second high-speed processing unit is connected to the fifth signal processing unit, the sixth signal processing unit, the seventh signal processing unit, the eighth signal processing unit, and the first high-speed processing unit, and the second high-speed processing unit drives and collects signals to the high-speed processing unit.

[0011] Preferably, the signal processing unit is composed of a sending circuit, a probe interface, and an acquisition circuit; the sending circuits of the signal processing units are divided into two categories, specifically:

[0012] The first signal processing unit, the second signal processing unit, the third signal processing unit, the sixth signal processing unit, and the seventh signal processing unit have the same structure, and the first sending circuit is composed of two driving circuits;

[0013] The fourth signal processing unit and the fifth signal processing unit and the eighth signal processing unit have the same structure; and the second sending circuit is composed of three driving circuits.

[0014] Preferably, the acquisition circuits of the signal processing units are all composed of receiving circuits, filtering circuits and A / D conversion.

[0015] Preferably, the receiving circuits are adjustable gain control.

[0016] Preferably, the first high-speed processing unit is composed of one FPGA chip, used for controlling the driving circuits of the first signal processing unit, the second signal processing unit, the third signal processing unit and the fourth signal processing unit, and collecting the ultrasonic intensity signals output by the receiving circuits and sending the ultrasonic intensity signals to the data processing unit.

[0017] Preferably, the second high-speed processing unit 3-10 is composed of one FPGA chip, used for controlling the driving circuits of the fifth signal processing unit, the sixth signal processing unit, the seventh signal processing unit and the eighth signal processing unit, and collecting the ultrasonic intensity signals output by the receiving circuits and sending the ultrasonic intensity signals to the data processing unit through the first high-speed processing unit.

[0018] Preferably, the data processing unit is composed of one ARM chip, connected with the data interaction unit, and transmits all channel data to external network equipment through the data interaction unit and the switch module.

[0019] The portable multi-channel double-track flaw detection information acquisition host of the utility model has the advantages of simple structure, convenient operation, high efficiency, wide detection coverage, low detection cost, high stability and the like.

[0020] The multi-channel ultrasonic probe signal processing unit, the data processing unit, the power module and the switch module of the utility model are designed in the host box body, compact structure, convenient to carry and transport.

[0021] The portable multi-channel double-track flaw detection information acquisition host of the utility model has the advantages of simple structure, convenient operation, high efficiency, wide detection coverage, low detection cost, high stability and the like.

[0022] The portable multi-channel double-track flaw detection information acquisition host of the utility model has the advantages of simple structure, convenient operation, high efficiency, wide detection coverage, low detection cost, high stability and the like. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model relates to a portable multi-channel double-track flaw detection information acquisition host frame diagram.

[0024] Figure 2 The utility model relates to a portable multi-channel double-track flaw detection information acquisition host frame diagram. CONCRETE IMPLEMENTING METHOD

[0025] The present invention will be further described below with reference to embodiments, but the scope of protection of the present invention is not limited thereto:

[0026] like Figure 1 As shown, a portable multi-channel dual-track flaw detection information acquisition host includes a host housing, an interface module 1, a power supply module 2, a left-side multi-channel flaw detection module 3, a right-side multi-channel flaw detection module 4, and a switch module 5. The interface module 1, power supply module 2, left-side multi-channel flaw detection module 3, right-side multi-channel flaw detection module 4, and switch module 5 are all housed within the host housing.

[0027] The encoder interface of interface module 1 is connected to the left multi-channel flaw detection module 3. The left probe group interface of interface module 1 is connected to the left multi-channel flaw detection module 3 via a coaxial cable. The right probe group interface of interface module 1 is connected to the right multi-channel flaw detection module 4 via a coaxial cable. The DC12V power supply interface of interface module 1 is connected to power module 2. The network cable interface of interface module 1 is connected to the network cable interface of switch module 5. The DC12V output interface of power module 2 is connected to the DC12V input interface of the left multi-channel flaw detection module 3 and the DC12V output interface of the right multi-channel flaw detection module 4, respectively. The 2V input interface is connected to the DC12V input interface of the switch module 5. The -250V output interface of the power module 2 is connected to the -250V input interface of the left multi-channel flaw detection module 3 and the -250V input interface of the right multi-channel flaw detection module 4, respectively. The synchronization signal interface of the left multi-channel flaw detection module 3 is connected to the synchronization interface of the right multi-channel flaw detection module 4. The network cable interface of the switch module 5 is connected to the network cable interface of the left multi-channel flaw detection module 3, the network cable interface of the right multi-channel flaw detection module 4, and the output network cable interface of the interface module 1, respectively.

[0028] The interface module 1 consists of one 12V DC power supply interface, one 28-channel ultrasonic probe interface, one encoder interface, and one network cable interface. The left multi-channel flaw detection module 3 includes 14 ultrasonic probe inputs, one encoder input, one synchronization signal output, and one network communication output. The left multi-channel flaw detection module 3 transmits 14 channels of ultrasonic path data and encoder displacement data to the switch module 5. The right multi-channel flaw detection module 4 includes 14 ultrasonic probe inputs, one synchronization signal input, and one network communication output. The right multi-channel flaw detection module 4 transmits 14 channels of ultrasonic path data to the switch module 5. The switch module 5 enables data exchange between the external devices connected to the network interface of the interface module and the left multi-channel flaw detection module 3 and the right multi-channel flaw detection module 4. The power supply module 2 supplies power to the left multi-channel flaw detection module 3, the right multi-channel flaw detection module 4, and the switch module 5.

[0029] The power module 2 is externally connected to a 12V DC power supply input through an interface module, and is composed of a power filter and two DC-DC voltage stabilizers.

[0030] As shown in Figure 2 The left multi-channel flaw detection module and the right multi-channel flaw detection module are respectively composed of one data interaction unit, one data processing unit, two high-speed processing units and eight signal processing units. The data interaction unit 3-11 is connected with the data processing unit 3-12 through an RMII interface; the data processing unit 3-12 is connected with the first high-speed processing unit 3-9; the first high-speed processing unit 3-9 is connected with the first signal processing unit 3-1, the second signal processing unit 3-2, the third signal processing unit 3-3, the fourth signal processing unit 3-4, the displacement signal receiving unit 3-13, the second high-speed processing unit 3-10 and the data processing unit 3-11, and drives and collects a maximum of 19 ultrasonic probe signals and displacement signals together to send to the data processing unit 3-11 for processing and operation; the second high-speed processing unit 3-10 is connected with the fifth signal processing unit 3-5, the sixth signal processing unit 3-6, the seventh signal processing unit 3-7, the eighth signal processing unit 3-8 and the first high-speed processing unit 3-9, and drives and collects a maximum of 10 ultrasonic probe signals to send to the first high-speed processing unit 3-9 for processing and operation; the signal processing unit includes the first signal processing unit 3-1, the second signal processing unit 3-2, the third signal processing unit 3-3, the fourth signal processing unit 3-4, the fifth signal processing unit 3-5, the sixth signal processing unit 3-6, the seventh signal processing unit 3-7 and the eighth signal processing unit 3-8, which are composed of a sending circuit, a probe interface and a collection circuit; wherein the first signal processing unit 3-1, the second signal processing unit 3-2, the third signal processing unit 3-3, the sixth signal processing unit 3-6 and the seventh signal processing unit 3-7 have the same structure, and the sending circuit 3-14 thereof is composed of two drive circuits; the fourth signal processing unit 3-4, the fifth signal processing unit 3-5 and the eighth signal processing unit 3-8 have the same structure, and the sending circuit 3-15 thereof is composed of three drive circuits to increase the reserved channels. The collection circuit of the signal processing unit is composed of a receiving circuit, a filter circuit and an A / D conversion.

[0031] As shown in Figure 2 The collection circuit is designed with a filter circuit.

[0032] As shown in Figure 2 The receiving circuit is an adjustable gain control.

[0033] As shown in Figure 2As shown, the second high-speed processing unit 3-10 is composed of a piece of FPGA chip, controls the driving circuit of the fifth processing unit 3-5, the sixth signal processing unit 3-6, the seventh signal processing unit 3-7, the eighth signal processing unit 3-8, and collects the ultrasonic intensity signal output by the receiving circuit and sends it to the data processing unit 3-11 through the first high-speed processing unit 3-9; the first high-speed processing unit 3-9 is composed of a piece of FPGA chip, controls the driving circuit of the first signal processing unit 3-1, the second signal processing unit 3-2, the third signal processing unit 3-3, and the fourth signal processing unit 3-4, and collects the ultrasonic intensity signal output by the receiving circuit and sends it to the data processing unit 3-11.

[0034] As shown in the figure, Figure 2 The data processing unit 3-11 is composed of an ARM chip, connected with the data interaction unit 3-12, and all channel data in the data processing unit 3-11 are transmitted to the external network device through the switch module 5 in the data interaction unit 3-12. Figure 2 Figure 1 The collected signal is preliminarily judged according to the set threshold in the first high-speed processing unit 3-9 and the second high-speed processing unit 3-10, which belongs to the prior art and can be directly realized by those skilled in the art; all channel data are processed by TCP packet in the data processing unit 3-11 according to the pre-set parameters, and data interaction processing is carried out with the data interaction unit 3-12, which belongs to the prior art and can be directly realized by those skilled in the art; the data interaction unit 3-12 realizes data interaction with the external network device, which can be a notebook computer, a tablet computer or a mobile terminal, and cooperates with the flaw detection software to judge the damage.

[0035] Those skilled in the art can understand that all or part of the steps in the above-mentioned embodiments can be completed by instructing the related hardware through circuit setting, which can be completed by a single-chip microcomputer or other similar functional integrated chip, which is the prior art. The core of the utility model is the overall structure layout of the system, and the local control method can be completed by programming of the prior art; the local module connection can be realized by the prior art. In this application, the core innovation point is that the interface module, the power module, the left multi-channel flaw detection module, the right multi-channel flaw detection module and the switch module are all arranged in the main box body; secondly, the circuit topology connection between the modules, and the setting and access of the 28 ultrasonic probes; finally, it also includes the specific circuit structure setting of the multi-channel flaw detection module. The local connection between the modules, and the related receiving circuit, filter circuit, A / D conversion, TCP packet, threshold judgment and other signal processing are all prior art, and should not be regarded as a limitation on the protection object of the utility model.

[0036] ​The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or changes in the specific embodiments described herein can occur to those skilled in the art to which the application pertains without departing from the spirit of the application, and it is understood that such modifications or changes are to be considered as within the scope of the application as defined by the appended claims.

Claims

1. A portable multi-channel dual-track flaw detection information acquisition host machine, characterized in that It includes host box, interface module, power module, two multi-channel flaw detection modules, switch module, two multi-channel flaw detection modules are respectively recorded as left multi-channel flaw detection module and right multi-channel flaw detection module; Wherein: interface module, power module, left multi-channel flaw detection module, right multi-channel flaw detection module, switch module are all arranged in the host box, the encoder interface of interface module is connected with left multi-channel flaw detection module, the left probe group interface of interface module is connected with left multi-channel flaw detection module through coaxial cable, the right probe group interface of interface module is connected with right multi-channel flaw detection module through coaxial cable, the DC12V power supply interface of interface module is connected with power module, the network interface of interface module is connected with the network interface of switch module; The DC12V output interface of power module is connected with the DC12V input interface of left multi-channel flaw detection module, the DC12V input interface of right multi-channel flaw detection module and the DC12V input interface of switch module respectively, the-250V output interface of power module is connected with the-250V input interface of left multi-channel flaw detection module and the-250V input interface of right multi-channel flaw detection module respectively; The synchronization signal interface of left multi-channel flaw detection module is connected with the synchronization interface of right multi-channel flaw detection module; The network interface of switch module is connected with the network interface of left multi-channel flaw detection module, the network interface of right multi-channel flaw detection module and the output network interface of interface module respectively.

2. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 1, characterized in that The interface module is composed of 1 DC12V power supply interface, 28 channel ultrasonic probe interface, 1 encoder interface and 1 network interface; The left multi-channel flaw detection module includes 14 channel ultrasonic probe access, 1 encoder input, 1 synchronization signal output and 1 network communication output, and the left multi-channel flaw detection module transmits 14 channel ultrasonic sound path data and encoder displacement data to the switch module; The right multi-channel flaw detection module includes 14 channel ultrasonic probe access, 1 synchronization signal input and 1 network communication output, and the right multi-channel flaw detection module transmits 14 channel ultrasonic sound path data to the switch module; The switch module realizes data exchange between the network interface external device of the interface module and the left multi-channel flaw detection module and the right multi-channel flaw detection module; The power module supplies power for the left multi-channel flaw detection module, the right multi-channel flaw detection module and the switch module.

3. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 1, characterized in that The power module is connected with a 12V DC power input through the interface module, and is composed of one power filter and two DC-DC voltage stabilizers.

4. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 1, characterized in that The multi-channel flaw detection module is composed of one data interaction unit, one data processing unit, two high-speed processing units and eight signal processing units; The data interaction unit is connected with the data processing unit through an RMII interface; The data processing unit is connected with the first high-speed processing unit; The first high-speed processing unit is connected with the first signal processing unit, the second signal processing unit, the third signal processing unit, the fourth signal processing unit, the displacement signal receiving unit, the second high-speed processing unit and the data processing unit, and the first high-speed processing unit drives and collects signals and sends the signals to the data processing unit for processing and operation together; The second high-speed processing unit is connected with the fifth signal processing unit, the sixth signal processing unit, the seventh signal processing unit, the eighth signal processing unit and the first high-speed processing unit, and the second high-speed processing unit drives and collects signals and sends the signals to the high-speed processing unit.

5. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 4, characterized in that The signal processing unit is composed of a sending circuit, a probe interface and an acquisition circuit; the sending circuit of each signal processing unit is divided into two types, and the specific types are as follows: The first signal processing unit, the second signal processing unit, the third signal processing unit, the sixth signal processing unit and the seventh signal processing unit have the same structure, wherein the first sending circuit is composed of two driving circuits; The fourth signal processing unit, the fifth signal processing unit and the eighth signal processing unit have the same structure; wherein the second sending circuit is composed of three driving circuits.

6. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 5, characterized in that The acquisition circuit of the signal processing unit is composed of a receiving circuit, a filtering circuit and an A / D conversion.

7. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 6, characterized in that The receiving circuit is a gain control that can be adjusted.

8. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 4, characterized in that The first high-speed processing unit is composed of one FPGA chip, which is used for controlling the driving circuits of the first signal processing unit, the second signal processing unit, the third signal processing unit and the fourth signal processing unit, and collecting and sending the ultrasonic intensity signals output by the receiving circuit to the data processing unit.

9. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 4, characterized in that The second high-speed processing unit 3-10 is composed of one FPGA chip, which is used for controlling the driving circuits of the fifth signal processing unit, the sixth signal processing unit, the seventh signal processing unit and the eighth signal processing unit, and collecting and sending the ultrasonic intensity signals output by the receiving circuit to the data processing unit through the first high-speed processing unit.

10. The portable multi-channel dual-track flaw detection information acquisition host computer according to claim 4, characterized in that The data processing unit is composed of one ARM chip, which is connected with a data interaction unit and transmits all channel data to an external network device through the data interaction unit and a switch module.

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