CN216956770U

CN216956770U - PLC detection device and PLC detection system

Info

Publication number: CN216956770U
Application number: CN202220644316.4U
Authority: CN
Inventors: 钱毅泽
Original assignee: Beijing Goldwind Smart Energy Service Co Ltd
Current assignee: Beijing Goldwind Smart Energy Service Co Ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-12
Anticipated expiration: 2032-03-22

Abstract

The PLC detection equipment comprises an equipment main body and a detection clamp, wherein the equipment main body is provided with a detection bin for detecting a PLC module, the side wall of the equipment main body is provided with a through hole, and the detection bin is communicated with the outside through the through hole; the detection fixture is movably arranged in the detection bin and can be electrically connected with the PLC module, so that the professional requirement of a tester is reduced, the detection efficiency of the PLC module is improved, and the operation cost of the wind generating set is reduced.

Description

PLC detection device and PLC detection system

Technical Field

The utility model belongs to the check out test set field especially relates to a PLC check out test set and PLC detecting system.

Background

With the development of the service business behind the equipment and the lean management requirement, the detection and maintenance of spare parts are important links for reducing the production and operation cost. Taking a wind generating set as an example, the PLC module is an important component of the wind generating set, and the detection and maintenance costs thereof directly affect the operation cost of the wind generating set, so it is urgently needed to provide a PLC detection device.

SUMMERY OF THE UTILITY MODEL

The main object of the present disclosure is to provide a PLC detection device to improve the detection efficiency of the PLC module, and reduce the operation cost of the wind turbine generator system.

Aiming at the above purpose, the present disclosure provides the following technical solutions:

in one aspect of the disclosure, a PLC detection device is provided, which includes a device main body and a detection fixture, wherein the device main body is provided with a detection bin for detecting a PLC module, a through hole is formed in a side wall of the device main body, and the detection bin is communicated with the outside through the through hole; the detection fixture is movably arranged in the detection bin and can be electrically connected with the PLC module.

The PLC detection equipment further comprises a guide rod, the guide rod is fixed in the detection bin, the detection clamp is slidably connected to the guide rod, and the detection clamp can rotate around the central axis of the guide rod by a preset angle.

Specifically, the predetermined angle is 90 ° to 135 °.

Optionally, the detection fixture comprises a fixture body and a probe, the probe is used for being electrically connected with the wiring terminal of the PLC module, and the probe is movably arranged on the fixture body.

Further, the extending direction of the probe is perpendicular to the extending direction of the guide rod, and the probe can slide along the extending direction of the probe.

In another exemplary embodiment of the present disclosure, a visible window is disposed on the clamp body, and the visible window is a hollow structure; and/or the equipment main body is provided with an interface unit for communicating and connecting with the outside, the clamp main body is provided with a clamp interface, and the clamp interface is respectively and electrically connected with the probe and the interface unit; and/or, the detection clamp further comprises a sliding block, the sliding block is fixed at the end part of the clamp main body, and the sliding block is connected to the guide rod in a sliding mode so as to drive the clamp main body to move.

Optionally, the detection fixture further comprises a lock catch, the lock catch is fixed to one end, far away from the sliding block, of the equipment main body, and the equipment main body can be connected with the equipment main body through the lock catch in a buckling mode.

Specifically, the through hole is arranged on a front panel of the equipment main body, the front panel is also provided with a power supply interface, and the PLC detection equipment can be electrically connected with an external power supply unit through the power supply interface; and/or, the PLC check out test set still includes the handle, the handle is fixed in on the front panel.

In another aspect of the present disclosure, a PLC detection system is provided, which includes the PLC detection device as described above.

Optionally, the PLC detection system includes a power supply unit, a communication unit, and a control unit, where the power supply unit is configured to provide electric energy for the PLC detection system, and the control unit is configured to receive information of the communication unit and control the start and stop of the PLC detection device.

The PLC detection equipment and the PLC detection system provided by the disclosure at least have the following beneficial effects: the PLC detection equipment comprises an equipment main body and a detection clamp, the detection clamp can be movably arranged in the detection bin, and the detection clamp can be stably and electrically connected with the PLC module through adjustment, so that the professional requirement of a tester is reduced, the detection efficiency of the PLC module is improved, and the operation cost of the wind generating set is reduced.

Drawings

The above and/or other objects and advantages of the present disclosure will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

fig. 1 is a topology diagram of a PLC detection system according to an exemplary embodiment of the present disclosure.

Fig. 2 is a block diagram of a PLC detection module according to an exemplary embodiment of the present disclosure.

Fig. 3 is a combined state diagram of the guide bar and the detection jig in fig. 2.

Fig. 4 is a relative position relationship diagram of the detection jig and the PLC module in fig. 3.

Description of reference numerals:

10. a PLC module; 20. An apparatus main body;

21. detecting the clamp; 22. A guide bar;

23. a front panel; 24. A handle;

25. a through hole; 26. A detection bin;

211. a clamp body; 212. A probe;

213. a visual window; 214. A clamp interface;

215. a slider; 216. Locking;

231. an interface unit; 232. A power supply interface;

30. a power supply unit; 40. A communication unit;

50. a control unit; 60. And an execution unit.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, it should not be understood that the aspects of the present disclosure are limited to the embodiments set forth herein. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

In an aspect of the present disclosure, a PLC detection system is provided, where the PLC detection system includes a PLC detection device, a power supply unit 30, a communication unit 40, and a control unit 50, and the power supply unit 30 is used to provide power for the entire PLC detection system, for example, but not limited to, the power supply unit 30 is used to provide power for the communication unit 40, the control unit 50, and the PLC detection device.

The power supply unit 30 may be an external power supply independent of the PLC detection device, or may be an internal power supply provided in the PLC detection device, for example, but not limited to, the power supply unit 30 may be a storage battery fixed in the PLC detection device.

The control unit 50 is used for receiving the information of the communication unit 40 and controlling the start and stop of the PLC detection device, so as to detect the PLC module. The control unit 50 is a control core of the entire PLC detection system, for example, but not limited to, the control unit 50 may be built by an integrated circuit, and is configured to provide algorithm and logic control, verification of the detection result, and determination of the PLC detection system.

The execution unit 60 is mainly used for switching and converting signals in the detection process, matching the detection requirements of different functional modules, and connecting the standardized interfaces of the interface unit 231 to realize multifunctional testing.

The communication unit 40 has two functions, on one hand, establishing communication connection with the control unit 50, forming an external communication interface with the interface unit 231 for device debugging and development and detection of the opening device through the PC terminal, and on the other hand, the communication unit 40 itself can communicate with the outside, for example, but not limited to, the communication unit 40 can have a wireless transmission function (a connection mode such as bluetooth or WIFI) and be connected through a wireless terminal (a mobile phone or a PAD terminal).

Specifically, referring to fig. 1, a topology diagram of a PLC detection system is disclosed, in which the power supply unit 30 may be electrically connected to the communication unit 40, the control unit 50, and the execution unit 60, respectively, so as to supply power to the communication unit 40, the control unit 50, and the execution unit 60, respectively.

As an example, the power supply unit 30, the communication unit 40 and the control unit 50 provided by the present disclosure are respectively integrally fixed on the PLC detection device, so that the PLC detection system has a reduced volume and is convenient to carry.

With reference to fig. 2 to 4, further, the PLC detection device provided by the present disclosure includes a device main body 20 and a detection clamp 21, the device main body 20 is provided with a detection bin 26 for detecting the PLC module 10, a through hole 25 is provided on a side wall of the device main body 20, and the detection bin 26 is communicated with the outside through the through hole 25; the detection clamp 21 is movably arranged in the detection bin 26, and the detection clamp 21 can be electrically connected with the PLC module 10. In this embodiment, detect storehouse 26 mainly used installation and wait to detect the PLC module 10, detect storehouse 26 and can adopt "concave type" design, will wait to detect PLC module 10 and sink to detecting storehouse 26 in, PLC module 10 can support on the backplate that detects storehouse 26 to can make PLC module 10 can set up steadily in detecting storehouse 26.

This is disclosed through setting up detection anchor clamps 21 and the cooperation of equipment main part 20 to can arrange PLC module 10 in stably detecting storehouse 26, avoid unexpected rocking, thereby improve the detection precision for the PLC module. Further, the detection clamp 21 is movably arranged in the detection bin 26, so that the PLC modules 10 which can be placed in the detection bin 26 can be electrically connected, and the PLC modules 10 can be detected. Because detect anchor clamps 21 activity setting, convenient adjustment is connected in order to be connected with PLC module 10 electricity, this PLC check out test set simple structure, and convenient operation has reduced operating personnel's the operation degree of difficulty to wind generating set's operation cost has been reduced.

With continued reference to the drawings, the PLC inspecting apparatus further includes a guide rod 22, the guide rod 22 is disposed in the inspecting chamber 26, the inspecting jig 21 is slidably coupled to the guide rod 22, and the inspecting jig 21 can rotate by a predetermined angle around the central axis of the guide rod 22.

Specifically, the guide rod 22 is disposed at the position of the detection chamber 26, and the detection chamber 26 can be opened or closed by the detection clamp 21 being rotatable around the central axis of the guide rod 22. In this way, the detection clamp 21 can be arranged at the position of the bin opening of the detection bin 26 through the guide rod 22, and the detection clamp 21 is convenient to open and close.

Under initial condition, detect anchor clamps 21 and can be in closed position, PLC check out test set area is little this moment, convenient transport. When needing to detect PLC module 10, can be around the central axis rotation detection anchor clamps 21 of guide bar 22, be in open position to detecting anchor clamps 21, detect the bin mouth in storehouse 26 and open this moment, conveniently put into PLC module 10 in detecting storehouse 26. After the PLC module 10 is tested, the testing jig 21 may be rotated in a reverse direction to reset the testing jig 21.

As an example, the detecting clamp 21 is configured to be rotatably connected at the position of the bin opening of the detecting bin 26, and specifically can be understood as follows: the guide rod 22 can be pivotally connected to the device main body 20, the detection clamp 21 can be fixedly connected to the guide rod 22, and the detection clamp 21 can rotate along with the guide rod 22 in the process of rotating around the central axis of the detection clamp; alternatively, the guide bar 22 is fixedly attached to the apparatus body 20, and the detection jig 21 may be pivotally attached to the guide bar 22, in which case the detection jig 21 may be rotated about the guide bar 22.

By way of example, guide rod 22 may be disposed within detection cartridge 26, for example, but not limited to, guide rod 22 may be disposed proximate a cartridge wall of detection cartridge 26. In this embodiment, the guide rod 22 may be a straight rod, one end of the detection fixture 21 may be provided with a through hole matching with the guide rod 22, and the guide rod 22 may be inserted into the through hole, so that the detection fixture 21 is connected to the guide rod 22.

In this embodiment, on one hand, the detection clamp 21 can be stably electrically connected to the PLC module 10 to detect the PLC module 10; on the other hand, the detection clamp 21 is also used for detecting the switch valve of the bin 26, so that the PLC module 10 can be stably placed in the detection bin 26, and the PLC module 10 is prevented from accidentally shaking or separating from the detection bin 26 in the detection process, thereby improving the detection reliability of the PLC module 10.

Alternatively, the rotation of the detection clamp 21 around the central axis of the guide rod 22 by a predetermined angle range may be selected according to actual needs, for example, but not limited to, the predetermined angle is 90 ° to 135 °. By way of example, in the present embodiment, the detection jig 21 can be rotated by 120 ° around the center axis of the guide rod 22, but not limited thereto.

Specifically, referring to fig. 2 to 4, the detection jig 21 further includes a slider 215 and a jig main body 211, the slider 215 is fixed to an end of the jig main body 211, a through hole through which the guide rod 22 passes is provided on the slider 215, the guide rod 22 is provided in the through hole, and the slider 215 can be connected to the guide rod 22, thereby connecting the jig main body 211 to the guide rod 22. The sliding block 215 is slidably connected to the guide rod 22 to drive the clamp main body 211 to move, and by sliding the detection clamp 21 along the guide rod 22, the position of the detection clamp 21 in the detection bin 26 can be adjusted, so that the detection clamp can be accurately aligned with and electrically connected to the PLC module 10 placed in the detection bin 26. So, can adjust the position that detects anchor clamps 21 in detecting storehouse 26 through sliding along guide bar 22 and detect anchor clamps 21 to conveniently carry out the electricity with PLC module 10 and be connected, this PLC check out test set simple structure, convenient operation has improved PLC module 10's detection efficiency.

In order to facilitate connection with the apparatus main body 20 and to facilitate adjustment of opening and closing of the detection clamp 21 and the apparatus main body 20, the detection clamp 21 further includes a latch 216, the latch 216 is fixed to an end of the apparatus main body 20 away from the slider 215, and the apparatus main body 20 can be connected with the apparatus main body 20 by the latch 216. The latch 216 used in this embodiment may be purchased from a market to reduce the development cost of the PLC detection device, and is not described herein again.

As an example, the latch 216 may have a mechanical locking device therein, which is capable of being pressed to cooperate with the inspection chamber 26 to fix the inspection fixture 21, so that the probe 212 can be fully contacted with the connection terminal of the PLC module 10 to be inspected.

Specifically, the inspection jig 21 further includes a probe 212, the probe 212 is used to be electrically connected to a terminal of the PLC module 10, and the probe 212 is movably disposed on the jig main body 211. Further, the probe 212 may be disposed between the slider 215 and the catch 216 to facilitate electrical connection with the PLC module 10.

As an example, referring to fig. 3 and 4, the extending direction of the probe 212 is perpendicular to the extending direction of the guide bar 22, and the probe 212 can slide along the extending direction thereof, or the probe 212 is an elastic probe, and by adjusting the protruding length of the probe 212 toward the detection chamber 26, different PLC modules 10 can be adapted, thereby improving the versatility of the PLC detection apparatus.

In this embodiment, there may be a plurality of probes 212, and each probe 212 may independently adjust the protruding length relative to the inspection chamber 26, so as to selectively use different probes 212 for inspection of the PLC module 10 as required.

By way of example, the probe 212 of the present disclosure is a retractable elastic probe, and 8 probes 212 are welded on a circuit board and used for being crimped with a PLC module terminal, so as to avoid a connection terminal failure caused by frequent connection in a detection process and a device secondary failure caused by wrong connection.

In this embodiment, the probe 212 may be made of a conductive material so as to be electrically connected to the PLC module 10. The device main body 20 can be made of non-conductive materials, the device main body 20 can be made of plastic or rubber, or the device main body 20 is made of metal or provided with an insulating layer on the outer surface, so that electric leakage is avoided, and the use safety of the PLC detection device is improved.

In order to observe the relative position between the PLC module 10 and the probe 212 conveniently, the fixture body 211 may be provided with a viewing window 213, and the viewing window 213 is a hollow structure. The visual window 213 may also be used to observe the operating status of the PLC indicator lights.

Further, the device main body 20 is provided with an interface unit 231 for communicating and connecting with the outside, the interface unit 231 and the detection chamber 26 are arranged at intervals, the clamp main body 211 is provided with a clamp interface 214, the clamp interface 214 and the visible window 213 can be arranged at intervals, and the clamp interface 214 is respectively electrically connected with the probe 212 and the interface unit 231. The interface unit 231 is mainly used for a signal interface and a power interface externally connected with the PLC detection device, and unifying the standardized flow of the test.

As an example, the interface unit 231 is mainly used for connecting with an external test module and for external communication, and the number of the interface units 231 may be 3, which enhances convenience of device application. Specifically, one of the interface units 231 may be used to connect with an external PC, and the other two interface units 231 may be test interfaces, and are connected to the fixture interface 214 in the detection fixture 21 through a network cable to establish a detection loop.

As an example, the clamp interface 214 provided by the present disclosure is a mesh structure, and is soldered on the circuit board, and is connected to the probe 212 fixed on the circuit board through an internal circuit, and the clamp interface 214 is connected to the interface unit 231 through a mesh wire, so as to form a detection loop.

The PLC check out test set that this embodiment provided can be hexahedron structure, and PLC check out test set includes front panel 23, and through-hole 25 sets up on the front panel 23 of equipment main part 20, detects storehouse 26 and can communicate with the external world through-hole 25. When the PLC test device is used, the front panel 23 may face the user for convenient operation. The front panel 23 is further provided with a power supply interface 232, and the PLC detection device can be electrically connected with an external power supply through the power supply interface 232.

In order to facilitate carrying of the PLC detection device, the PLC detection device further includes two handles 24, and the handles 24 are fixed on the front panel 23.

The PLC check out test set that this disclosure provided is small, and convenient transport can be applied to and remove in the fast repair. Except this, the PLC check out test set that this disclosure provided, through the adjustment detect anchor clamps 21 position on guide bar 22 or around the rotatory predetermined angle of the central axis of guide bar 22, alright be connected with the PLC module electricity with messenger's detection anchor clamps 21, simple structure, the adjustment is convenient to the detection efficiency of PLC module has been improved, wind generating set's operation cost has also been reduced. Furthermore, the PLC detection equipment is simple to operate, so that professional operators are not needed, the professional requirements of the operators are reduced, and the operation cost of the wind generating set is reduced to a certain extent.

The main test flow of the PLC detection equipment provided by the disclosure is described as follows:

connect an external power source (e.g., commercial power) through the power interface 232 and turn on the PLC detection device; placing PLC module 10 in inspection bin 26 (e.g., supported on a backplane of inspection bin 26); adjusting the position of the probe 212 in the detection clamp 21 to be in pressure joint with the wiring terminal of the PLC module 10 and be locked; the interface unit 231 is connected with the detection clamp 21 through a network cable, the wireless terminal is connected with the PLC detection equipment, the model of the PLC module 10 to be detected is found on the detection interface of the wireless terminal, the detection is confirmed and started, the control unit 50 automatically configures detection content and a test standard according to a transmitted instruction, the execution unit 60 carries out conversion and combination test conditions, the detection is transmitted to the PLC module 10 through the interface unit 231 for detection, the detection result adopts process data and state data of multiple measurements for evaluation and verification, and the final result is presented on the wireless terminal.

In the description of the present disclosure, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the disclosure, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the disclosure.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present disclosure, "a plurality" means two or more unless otherwise specified.

In the description of the present disclosure, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, and for example, may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, or communicatively connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

The described features, structures, or characteristics of the disclosure may be combined in any suitable manner in one or more embodiments. In the above description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Claims

1. A PLC detection device, characterized in that, PLC detection device includes:

the PLC module detection device comprises a device main body (20), wherein the device main body (20) is provided with a detection bin (26) used for detecting the PLC module (10), the side wall of the device main body (20) is provided with a through hole (25), and the detection bin (26) is communicated with the outside through the through hole (25);

the detection clamp (21) is movably arranged in the detection bin (26), and the detection clamp (21) can be electrically connected with the PLC module (10).

2. The PLC inspection apparatus according to claim 1, further comprising a guide bar (22), wherein the guide bar (22) is disposed in the inspection chamber (26), the inspection jig (21) is slidably coupled to the guide bar (22), and the inspection jig (21) can be rotated by a predetermined angle around a central axis of the guide bar (22).

3. The PLC test device of claim 2, wherein the predetermined angle is 90 ° to 135 °.

4. The PLC test apparatus of claim 2, wherein the test fixture (21) includes a fixture body (211) and a probe (212), the probe (212) being for electrical connection with the terminal of the PLC module (10), the probe (212) being movably disposed on the fixture body (211).

5. The PLC test device according to claim 4, wherein the extension direction of the probe (212) is perpendicular to the extension direction of the guide bar (22) and the probe (212) is slidable along the extension direction thereof, or the probe (212) is an elastic probe.

6. The PLC detection device of claim 4, wherein a visual window (213) is arranged on the clamp main body (211), and the visual window (213) is a hollow structure; and/or the presence of a gas in the gas,

the device main body (20) is provided with an interface unit (231) for communicating and connecting with the outside, the interface unit (231) and the detection bin (26) are arranged at intervals, a clamp interface (214) is arranged on the clamp main body (211), and the clamp interface (214) is electrically connected with the probe (212) and the interface unit (231) respectively; and/or the presence of a gas in the gas,

the detection clamp (21) further comprises a sliding block (215), the sliding block (215) is fixed at the end of the clamp main body (211), and the sliding block (215) is connected to the guide rod (22) in a sliding mode so as to drive the clamp main body (211) to move.

7. The PLC detection device of claim 6, wherein the detection clamp (21) further comprises a latch (216), the latch (216) is fixed to an end of the device body (20) far away from the slider (215), and the device body (20) can be snap-connected with the device body (20) through the latch (216).

8. The PLC detection device according to claim 1, wherein the through hole (25) is provided on a front panel (23) of the device body (20), and a power supply interface (232) is further provided on the front panel (23), and the PLC detection device is electrically connectable to an external power supply through the power supply interface (232); and/or the presence of a gas in the atmosphere,

the PLC detection equipment further comprises a handle (24), and the handle (24) is fixed on the front panel (23).

9. A PLC detection system, characterized in that it comprises a PLC detection device according to any of claims 1-8.

10. The PLC detection system of claim 9, comprising a power supply unit (30), a communication unit (40), and a control unit (50), wherein the power supply unit (30) is configured to provide power for the PLC detection system, and the control unit (50) is configured to receive information of the communication unit (40) and control the PLC detection device to start and stop.