A state monitoring device and a monitoring method for an optical fiber current sensor

Abstract

The present application relates to the technical fields of optical fiber current sensor monitoring, and discloses a state monitoring device for optical fiber current sensor, which comprises a device body, the device body comprises an optical fiber monitoring box, an optical fiber monitoring device and an optical fiber monitoring top cover; wherein, a partition is arranged in the optical fiber monitoring box, the partition separates the inside of the optical fiber monitoring box into multiple independent cavities, and a wire passing port is arranged on the side wall of the optical fiber monitoring box and communicates with the independent cavities; the optical fiber monitoring device is multiple and arranged in each independent cavity; the optical fiber monitoring top cover is connected with the optical fiber monitoring box to form a closed box structure, the inner surface of the optical fiber monitoring top cover is provided with an embedded connector corresponding to the optical fiber monitoring device, and the outer surface of the optical fiber monitoring top cover is provided with an ammeter, and the embedded connector is used for connecting the optical fiber monitoring device and the ammeter. The present application also discloses a state monitoring method for optical fiber current sensor.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber current sensor monitoring, in particular to a state monitoring device and method for optical fiber current sensor. BACKGROUND

[0002] At present, the current sensor is a detection device that can sense the information of the measured current and convert the sensed information into an electrical signal or other required form of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control.

[0003] The existing optical fiber current sensor monitoring device has the following defects:

[0004] The existing optical fiber current sensor monitoring device is easy to damage and has poor stability, thereby causing inaccurate detection of the optical fiber current sensor. Therefore, a solution is needed. SUMMARY

[0005] The technical problem to be solved by the present application is how to solve the problems of easy damage, poor stability and inaccurate detection existing in the prior art.

[0006] In order to solve the above technical problems, the present application provides a state monitoring device for optical fiber current sensor, which comprises a device body, wherein the device body comprises:

[0007] A fiber monitoring box is provided with a partition plate inside, the partition plate separates the inside of the fiber monitoring box into a plurality of independent cavities, and the side wall of the fiber monitoring box is provided with a wire passing port communicating with the independent cavities;

[0008] A plurality of fiber monitoring devices are arranged in each independent cavity respectively; and

[0009] A fiber monitoring top cover is connected with the fiber monitoring box to form a sealed box structure, the inner surface of the fiber monitoring top cover is provided with an embedded connector corresponding to the fiber monitoring device, and the outer surface of the fiber monitoring top cover is provided with an ammeter, and the embedded connector is used to connect the fiber monitoring device and the ammeter.

[0010] Further preferably, the fiber monitoring device comprises a first current sensor and a second current sensor, and the first current sensor, the second current sensor and the wire passing port are arranged on the same straight line.

[0011] Further preferably, the first current sensor and the second current sensor each comprise:

[0012] A mounting seat connected with the fiber monitoring box;

[0013] A detector mounted on the mounting seat, a detection port being formed on the detector, an axis of the detection port overlapping an axis of the wire insertion port; and

[0014] A terminal seat provided on a side of the detector away from the mounting seat, the terminal seat being provided with a connecting port matched with the embedded connector.

[0015] Further preferably, the embedded connector comprises:

[0016] A bracket plate, two ends of the bracket plate being symmetrically provided with side fixing frames, the side fixing frames being connected with the fiber monitoring top cover; and

[0017] An embedded terminal pin provided on the bracket plate, the embedded terminal pin being provided with a connecting wire, the connecting wire being connected with an ammeter.

[0018] Further preferably, the fiber monitoring top cover is provided with a fixing hole at each corner.

[0019] Further preferably, the wire insertion port is provided with a sealing sleeve.

[0020] Further preferably, the side wall of the fiber monitoring box is further provided with a heat dissipation fan.

[0021] Further preferably, the device further comprises:

[0022] A base provided on a bottom of the fiber monitoring box; and

[0023] At least one set of support mounting feet connected with the base, a gasket being provided on a bottom of the support mounting feet.

[0024] Further preferably, each set of the support mounting feet comprises a first mounting foot and a second mounting foot, the first mounting foot and the second mounting foot being symmetrically provided on two sides of the fiber monitoring box, a reinforcing block being provided between the first mounting foot and the second mounting foot.

[0025] To solve the above technical problems, the application further provides a state monitoring method for a fiber current sensor, which is realized based on the above-mentioned state monitoring device for the fiber current sensor and comprises the following steps:

[0026] S1: passing a wire through a wire insertion port into an inside of a fiber monitoring box, and sequentially passing through a first current sensor and a second current sensor, and then passing out from another wire insertion port;

[0027] S2: seal the optical fiber monitoring top cover to the optical fiber monitoring box body, so that the embedded terminal pins of the embedded connector are embedded into the connecting ports of the terminal seat, and the connection of the ammeter and the optical fiber monitoring device is realized;

[0028] S3: determine the running state of the first current sensor and the second current sensor according to the current values of the first current sensor and the second current sensor measured by the ammeter, if the current values of the first current sensor and the second current sensor are the same, the first current sensor and the second current sensor are normal, otherwise, they are not normal.

[0029] Compared with the prior art, the state monitoring device and the monitoring method for the optical fiber current sensor have the beneficial effects that:

[0030] The optical fiber monitoring device, the ammeter and the embedded connector are arranged, the optical fiber monitoring device can be effectively monitored, the stability and reliability of the monitoring of the optical fiber monitoring device are improved, the two groups of current sensors are arranged in the optical fiber monitoring device, the current in the electric wire can be detected twice, the accuracy of the detection of the current in the electric wire is improved, the current of the current sensor during work can be monitored by the ammeter, the stability of the work of the current sensor is ensured, and the staff can timely find the damage of the current sensor. BRIEF DESCRIPTION OF DRAWINGS

[0031] Fig. 1 It is a whole structure schematic view of the present application;

[0032] Fig. 2 It is a first current sensor structure schematic view of the present application;

[0033] Fig. 3 It is an embedded connector structure schematic view of the present application.

[0034] Reference signs:

[0035] 1, device body; 2, base; 3, optical fiber monitoring box body; 4, optical fiber monitoring top cover; 5, optical fiber monitoring device; 6, supporting installation foot; 7, first current sensor; 8, second current sensor; 9, mounting seat; 10, detector; 11, detection port; 12, terminal seat; 13, connecting port; 14, partition plate; 15, heat dissipation fan; 16, ammeter; 17, embedded connector; 18, fixing hole; 19, support plate; 20, embedded terminal pin; 21, connecting line; 22, side fixing frame; 23, electric wire penetrating port; 24, sealing sleeve; 25, first installation foot; 26, second installation foot; 27, reinforcing block; 28, gasket. DETAILED DESCRIPTION

[0036] The specific embodiments of the present application will be further described with reference to the drawings and examples. The following examples are intended to illustrate the present application and are not intended to limit the scope of the present application.

[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like with respect to the present application are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0038] The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0039] In addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0041] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0042] Example 1

[0043] like Figs. 1-3 As shown, this embodiment provides a state monitoring device for a fiber optic current sensor, including a device body 1, the device body 1 includes a fiber optic monitoring box 3, a fiber optic monitoring device 5 and a fiber optic monitoring top cover 4, the fiber optic monitoring device 5 is arranged on the inner side of the fiber optic monitoring box 3, and the fiber optic monitoring top cover 4 and the fiber optic monitoring box 3 are enclosed to form a closed box structure.

[0044] In a specific embodiment, a partition 14 is provided within the fiber optic monitoring box 3, which divides the interior of the fiber optic monitoring box 3 into multiple independent cavities. A wire entry 23 communicating with the independent cavities is provided on the sidewall of the fiber optic monitoring box 3. Multiple fiber optic monitoring devices 5 are provided in each independent cavity. A fiber optic monitoring cover 4 is connected to the fiber optic monitoring box 3 to form a sealed box structure. An embedded connector 17 corresponding to the fiber optic monitoring device 5 is provided on the inner surface of the fiber optic monitoring cover 4. An ammeter 16 is provided on the outer surface of the fiber optic monitoring cover 4. The embedded connector 17 is used to connect the fiber optic monitoring device 5 and the ammeter 16. Thus, by providing the fiber optic monitoring device 5, the ammeter 16, and the embedded connector 17, the fiber optic monitoring device 5 can be effectively monitored, thereby improving the stability and reliability of the monitoring of the fiber optic monitoring device 5. The ammeter 16 can monitor the current of the fiber optic monitoring device 5 during operation, thereby ensuring the stability of the operation of the fiber optic monitoring device 5 and facilitating timely detection of damage to the fiber optic monitoring device 5.

[0045] In other embodiments, the optical fiber monitoring box 3 and the optical fiber monitoring top cover 4 are both rectangular structures.

[0046] In some embodiments, the optical fiber monitoring device 5 comprises a first current sensor 7 and a second current sensor 8, the first current sensor 7, the second current sensor 8 and the wire passing port 23 are arranged on the same straight line; in this way, the wire can pass into the optical fiber monitoring box 3 through the wire passing port 23, and then pass through the first current sensor 7 and the second current sensor 8, and then pass out from the wire passing port 23 on the other side, and the first current sensor 7 and the second current sensor 8 are used to realize secondary detection of the current in the wire, thereby improving the stability and reliability of the optical fiber monitoring device 5, and improving the accuracy of the current detection in the wire, so as to facilitate the staff to find the damage of the current sensor in time.

[0047] In some embodiments, the first current sensor 7 and the second current sensor 8 have the same structure, and each comprises a mounting seat 9, a detector 10 and a terminal seat 12; wherein the mounting seat 9 is connected with the optical fiber monitoring box 3, the detector 10 is installed on the mounting seat 9, and a detection port 11 is formed on the detector 10, and the axis of the detection port 11 overlaps with the axis of the wire passing port 23; in this way, when the wire passes through the detection port 11, the detector 10 can detect the current of the wire.

[0048] In addition, the terminal seat 12 is arranged on the side of the detector 10 away from the mounting seat 9, and a connecting port 13 matched with the embedded connector 17 is arranged on the terminal seat 12, so as to facilitate the electrical connection between the detector 10 and the ammeter 16.

[0049] In other embodiments, the mounting seat 9 has a U-shaped structure, the detector 10 has a rectangular structure, and the detection port 11 is formed in the middle part, and the terminal seat 12 has a cylindrical structure, and the connecting port 13 has a circular structure.

[0050] In some embodiments, the embedded connector 17 comprises a bracket plate 19 and an embedded terminal pin 20; wherein the bracket plate 19 is symmetrically provided with a side fixing frame 22 at both ends, and the side fixing frame 22 is connected with the optical fiber monitoring top cover 4; the embedded terminal pin 20 is arranged on the bracket plate 19, and the embedded terminal pin 20 is provided with a connecting line 21 connected with the ammeter 16; in this way, when the optical fiber monitoring top cover 4 is combined with the optical fiber monitoring box 3, the embedded terminal pin 20 can be embedded into the connecting port 13 of the terminal seat 12, and the connecting port 13 can realize the positioning of the embedded terminal pin 20, and can limit the radial movement of the embedded terminal pin 20, thereby improving the accuracy of the current detection in the wire.

[0051] In some embodiments, in order to facilitate the connection between the optical fiber monitoring top cover 4 and the optical fiber monitoring box 3, the optical fiber monitoring top cover 4 is provided with a fixing hole 18 at each corner, and the optical fiber monitoring top cover 4 and the optical fiber monitoring box 3 can be sealingly connected through a fixing member.

[0052] In other embodiments, a sealing gasket can be added between the optical fiber monitoring top cover 4 and the optical fiber monitoring box 3.

[0053] In some embodiments, the wire insertion opening 23 is provided with a sealing sleeve 24, which can tightly hold the wire after it passes through the wire insertion opening 23, thereby ensuring the sealing effect of the wire insertion opening 23 and effectively preventing rainwater from entering the optical fiber monitoring box 3.

[0054] In some embodiments, the side wall of the optical fiber monitoring box 3 is also provided with a cooling fan 15, which can expel the heat in the optical fiber monitoring box 3 when turned on, thereby ensuring that the electrical appliances in the optical fiber monitoring box 3 can be used within the normal operating temperature range and avoiding damage due to excessive temperature, thereby improving the detection accuracy.

[0055] In some embodiments, the state monitoring device for the optical fiber current sensor further comprises a base 2 and at least one set of support mounting feet 6; the base 2 is arranged at the bottom of the optical fiber monitoring box 3; the support mounting feet 6 are connected to the base 2, and the bottom of the support mounting feet 6 is provided with a gasket 28; the support mounting feet 6 can elevate the bottom of the optical fiber monitoring box 3 to avoid direct contact with rainwater, and the gasket 28 can improve the stability of the installation of the support mounting feet 6, thereby avoiding the shaking of the optical fiber monitoring box 3 and affecting the detection accuracy.

[0056] In some embodiments, the support mounting feet 6 are preferably two sets.

[0057] In some embodiments, each set of support mounting feet 6 comprises a first mounting foot 25 and a second mounting foot 26, which are symmetrically arranged on both sides of the optical fiber monitoring box 3; a reinforcing block 27 is arranged between the first mounting foot 25 and the second mounting foot 26; the arrangement of the first mounting foot 25 and the second mounting foot 26 can ensure the balance and stability of the optical fiber monitoring box 3 after installation, and the reinforcing block 27 arranged between the first mounting foot 25 and the second mounting foot 26 can improve the support strength of the entire device.

[0058] It should be noted that when the staff fixes and installs the device body 1, the staff will attach the first mounting foot 25 and the second mounting foot 26 to the mounting point and then fix them with screws.

[0059] Example 2

[0060] The present embodiment provides a state monitoring method for an optical fiber current sensor, which is realized by the state monitoring device for the optical fiber current sensor described in Embodiment 1 and comprises the following steps:

[0061] S1: the electric wire is inserted into the inside of the optical fiber monitoring box 3 through the electric wire insertion port 23, and sequentially passes through the first current sensor 7 and the second current sensor 8, and then is inserted out from the electric wire insertion port 23 on the other side;

[0062] S2: the optical fiber monitoring top cover 4 is sealed to the optical fiber monitoring box 3, so that the embedded terminal pin 20 embedded in the connector 17 is embedded in the connecting port 13 of the embedded terminal seat 12, and the connection of the ammeter 16 and the optical fiber monitoring device 5 is realized;

[0063] S3: the running state of the first current sensor 7 and the second current sensor 8 is judged according to the current value of the first current sensor 7 and the second current sensor 8 measured by the ammeter 16, if the current value of the first current sensor 7 and the second current sensor 8 is the same, the first current sensor 7 and the second current sensor 8 are normal, otherwise they are not normal.

[0064] In summary, the state monitoring device and monitoring method for the optical fiber current sensor provided by the application can effectively monitor the optical fiber monitoring device 5 by setting the optical fiber monitoring device 5, the ammeter 16 and the embedded connector 17, thereby improving the stability and reliability of the monitoring of the optical fiber monitoring device 5. The optical fiber monitoring device 5 is provided with two groups of current sensors, so that the current in the electric wire can be detected twice, thereby improving the accuracy of the current detection in the electric wire. The ammeter 16 can monitor the current when the current sensor is working, thereby ensuring the stability of the working of the current sensor, and the staff can also find the damage of the current sensor in time.

[0065] The above only describes the preferred embodiments of the application, and it should be pointed out that for ordinary skilled persons in the art, some improvements and replacements can be made without departing from the technical principles of the application, and these improvements and replacements should also be considered as the protection scope of the application. The above shows and describes the basic principles, main features and advantages of the application, and it is obvious for those skilled in the art that the application is not limited to the details of the above preferred embodiments, the examples should be considered as exemplary and non-limiting, the scope of the application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the application.

[0066] In addition, it should be understood that although the present application is described in the form of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in the examples can also be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A condition monitoring device for a fiber optic current sensor, characterized in that: The device comprises a device body (1), wherein the device body (1) comprises: An optical fiber monitoring box (3) is provided with a partition (14) in the optical fiber monitoring box (3), the partition (14) divides the interior of the optical fiber monitoring box (3) into a plurality of independent cavities, and a side wall of the optical fiber monitoring box (3) is provided with an electric wire insertion port (23) communicating with the independent cavities; a fiber optic monitoring device (5), wherein the fiber optic monitoring device (5) is multiple and is respectively arranged in each of the independent cavities; and A fiber optic monitoring top cover (4) is connected to the fiber optic monitoring box (3) to form a closed box structure, an inner surface of the fiber optic monitoring top cover (4) is provided with an embedded connector (17) corresponding to the fiber optic monitoring device (5), and an outer surface of the fiber optic monitoring top cover (4) is provided with an ammeter (16), and the embedded connector (17) is used to connect the fiber optic monitoring device (5) and the ammeter (16).

2. A condition monitoring device for an optical fiber current sensor according to claim 1, characterized in that: The optical fiber monitoring device (5) comprises a first current sensor (7) and a second current sensor (8), wherein the first current sensor (7), the second current sensor (8) and the wire entry port (23) are arranged on the same straight line.

3. A condition monitoring device for an optical fiber current sensor according to claim 2, characterized in that: The first current sensor (7) and the second current sensor (8) both comprise: A mounting seat (9), the mounting seat (9) being connected to the optical fiber monitoring box (3); A detector (10), the detector (10) being mounted on the mounting seat (9), the detector (10) being provided with a detection port (11), the axis of the detection port (11) being overlapped with the axis of the wire insertion port (23); and A terminal seat (12) is provided on a side of the detector (10) away from the mounting seat (9), and a connection port (13) is provided on the terminal seat (12) for cooperating with the embedded connector (17).

4. The state monitoring device for an optical fiber current sensor according to claim 1, characterized in that: The embedded connector (17) comprises: A support plate (19), wherein both ends of the support plate (19) are symmetrically provided with side fixing frames (22), and the side fixing frames (22) are connected to the optical fiber monitoring top cover (4); and An embedded terminal pin (20) is provided on the bracket plate (19), and the embedded terminal pin (20) is provided with a connecting wire (21), and the connecting wire (21) is connected to the ammeter (16).

5. The condition monitoring device for an optical fiber current sensor according to claim 1, characterized in that: The four corners of the optical fiber monitoring top cover (4) are each provided with fixing holes (18).

6. The condition monitoring device for a fiber optic current sensor according to claim 1, characterized in that: The wire entry opening (23) is provided with a sealing sleeve (24).

7. The state monitoring device for an optical fiber current sensor according to claim 1, characterized in that: The side wall of the optical fiber monitoring box (3) is also provided with a heat dissipation fan (15).

8. The condition monitoring device for a fiber optic current sensor according to claim 1, characterized in that: Also includes: A base (2), the base (2) being arranged at the bottom of the optical fiber monitoring box (3); as well as At least one set of supporting and mounting feet (6), the supporting and mounting feet (6) are connected to the base (2), and a gasket (28) is provided at the bottom of the supporting and mounting feet (6).

9. The state monitoring device for an optical fiber current sensor according to claim 8, characterized in that: Each group of the supporting mounting feet (6) comprises a first mounting foot (25) and a second mounting foot (26), wherein the first mounting foot (25) and the second mounting foot (26) are symmetrically arranged on both sides of the optical fiber monitoring box (3), and a reinforcing block (27) is provided between the first mounting foot (25) and the second mounting foot (26).

10. A method for monitoring the state of a fiber optic current sensor, implemented based on the device for monitoring the state of a fiber optic current sensor according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: Insert the wire into the interior of the optical fiber monitoring box (3) through the wire insertion port (23), pass through the first current sensor (7) and the second current sensor (8) in sequence, and then exit from the wire insertion port (23) on the other side; S2: Seal the optical fiber monitoring top cover (4) onto the optical fiber monitoring box (3) so that the embedded terminal pins (20) of the embedded connector (17) are embedded in the connection port (13) of the terminal base (12), thereby achieving connection between the ammeter (16) and the optical fiber monitoring device (5); S3: judging the operating status of the first current sensor (7) and the second current sensor (8) according to the current values ​​of the first current sensor (7) and the second current sensor (8) measured by the ammeter (16); if the current values ​​of the first current sensor (7) and the second current sensor (8) are the same, the first current sensor (7) and the second current sensor (8) are operating normally; otherwise, they are operating abnormally.

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