Contactor state monitoring equipment

Abstract

The utility model relates to the technical field of monitoring, and discloses contactor state monitoring equipment which comprises a detection mechanism, and a current sensor is fixedly installed at the bottom end of the inner side of the detection mechanism. Wherein the detection mechanism comprises a [-shaped mounting seat, a placement groove is formed in the bottom end of the interior of the [-shaped mounting seat, an external power supply, a first relay and a controller are mounted at the bottom end of the interior of the placement groove, a current sensor is fixed to the bottom end of the inner side of the [-shaped mounting seat, and the placement groove is located on the front side of the current sensor; two maintenance plates are symmetrically hinged to the upper end of the placement groove, a display screen is fixedly mounted at the top end of the inner side of the [-shaped mounting seat, a current sensor is electrically connected with a controller, the controller is electrically connected with the display screen, and an external power supply is electrically connected with a first relay. According to the utility model, through accurate monitoring of the current sensor and double feedback of the sound-light alarm device, the working state of the contactor can be effectively mastered, and safe and reliable operation of the system is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to monitoring technical field especially relates to a contactor state monitoring device. BACKGROUND

[0002] Contactor is a widely used switch electric appliance, which realizes the on-off of main circuit through control circuit by electromagnetic, pneumatic or hydraulic principle. Contactor has the advantages of strong breaking current capacity, rapid action, safe operation, frequent operation and remote control, but cannot cut off short-circuit current, so contactor usually needs to be used with fuse. The main control object of contactor is motor, and it can also control other power loads such as electric welder and electric furnace.

[0003] In the prior art, the contactor cannot intuitively feed back to the worker whether it is in the closed or open state, so that the worker cannot accurately and effectively master its working state, thereby affecting the safe and reliable operation of the system, and further a contactor state monitoring device is proposed. UTILITY MODEL CONTENT

[0004] The contactor state monitoring device provided by the utility model solves the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A contactor state monitoring device, comprising a detection mechanism, a current sensor is fixedly installed at the inner bottom end of the detection mechanism;

[0007] Among them, the detection mechanism includes a type installation base, a placing groove is formed in the inner bottom end of the type installation base, an external power supply, a first relay and a controller are installed at the inner bottom end of the placing groove, the current sensor is fixed to the inner bottom end of the type installation base, and the placing groove is located in front of the current sensor.

[0008] Preferably, two maintenance plates are symmetrically hinged and installed on the upper end of the placing groove.

[0009] Preferably, a display screen is fixedly installed at the inner top end of the type installation base.

[0010] Preferably, the current sensor is electrically connected with the controller, the controller is electrically connected with the display screen, the external power supply is electrically connected with the first relay, and the first relay is electrically connected with the current sensor, the display screen and the controller.

[0011] Preferably, an audible and visual alarm device is fixedly installed on the inner wall of the type installation base.

[0012] Preferably, the sound and light alarm device includes an L-shaped mounting box, a second power supply is fixedly installed at the bottom of the inside of the L-shaped mounting box, a second relay, a buzzer and an indicator light are fixedly installed at the top of the inside of the L-shaped mounting box, and the upper end light-emitting end of the indicator light penetrates through the L-shaped mounting box and the upper end of the L-shaped mounting seat in sequence and extends above the L-shaped mounting seat.

[0013] Preferably, the controller is electrically connected with the buzzer and the indicator light.

[0014] Preferably, the second power supply is electrically connected with the second relay, and the second relay is electrically connected with the buzzer and the indicator light.

[0015] The contactor state monitoring equipment has the advantages that:

[0016] 1. The contactor state monitoring equipment can connect the current sensor with the contactor to be detected, so that the current sensor can collect current information of the contactor, the current information is transmitted to the controller, the controller converts the current information into data and transmits the data to the display screen, the display screen can display the current data of the contactor in real time, so that the staff can monitor the change of the contactor current in real time, and it is judged whether the contactor is in a closed or open state.

[0017] 2. When the data converted by the controller changes, the controller can send instructions to the buzzer and the indicator light, the buzzer and the indicator light can start working to remind the staff, the buzzer can also use other audio devices, and the indicator light can be an LED lamp or other light source. Even in a noisy environment, the staff can know the state change of the contactor through the buzzer, and in the case that the light is relatively dark or the line of sight is blocked, the indicator light can provide clear visual prompt.

[0018] The contactor state monitoring equipment can effectively master the working state of the contactor through the accurate monitoring of the current sensor and the double feedback of the sound and light alarm device, and ensure the safe and reliable operation of the system. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure schematic view of the contactor state monitoring equipment is provided for the utility model;

[0020] Figure 2 A structure schematic view of a sound and light alarm device detection mechanism in the contactor state monitoring equipment is provided for the utility model;

[0021] Figure 3 A sectional view of the sound and light alarm device in the contactor state monitoring equipment is provided for the utility model;

[0022] Figure 4A contactor state monitoring equipment structure schematic diagram is provided for the utility model.

[0023] Figure 5 A contactor state monitoring equipment circuit diagram is provided for the utility model.

[0024] Marked in the figure: 1 detection mechanism, 2 current sensor, 3 audible and visual alarm device, 4 display screen, 5 maintenance board.

[0025] 101 Type installation seat, 102 placing groove, 103 controller, 104 first relay, 105 external power supply.

[0026] 301 L type installation box, 302 indicator light, 303 second relay, 304 buzzer, 305 second power supply. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Embodiment 1

[0029] Refer to Figures 1-2 And Figure 5 A contactor state monitoring equipment, including detection mechanism 1, the inside bottom end of detection mechanism 1 is fixedly installed with current sensor 2;

[0030] Among them, detection mechanism 1 includes Type installation seat 101, the bottom end of the inside of Type installation seat 101 is provided with placing groove 102, placing groove 102 is installed with external power supply 105, first relay 104 and controller 103 in the bottom end of the inside, current sensor 2 is fixed to the bottom end of the inside of Type installation seat 101, and placing groove 102 is located at the front side of current sensor 2.

[0031] In the embodiment, two maintenance boards 5 are symmetrically hinged and installed on the upper end of placing groove 102.

[0032] By opening maintenance board 5, external power supply 105, first relay 104 and controller 103 in placing groove 102 can be maintained, and controller 103 is SC200 general-purpose controller 103.

[0033] The top end of the inside of Type installation seat 101 is fixedly installed with display screen 4, current sensor 2 and controller 103 are electrically connected, controller 103 and display screen 4 are electrically connected, external power supply 105 and first relay 104 are electrically connected, first relay 104 and current sensor 2, display screen 4 and controller 103 are electrically connected.

[0034] The external power supply 105 can supply power to the current sensor 2, the display screen 4, and the controller 103.

[0035] Working principle: the current sensor 2 can be connected to the contactor to be detected, at this time the current sensor 2 can collect the current information of the contactor, and transmit the current information to the controller 103, the controller 103 converts the current information into data and transmits it to the display screen 4, the display screen 4 can display the current data of the contactor in real time, so that the worker can monitor the change of the contactor current in real time, and judge whether the contactor is in the closed or open state.

[0036] Embodiment 2

[0037] Referring to Figure 1 And Figures 3-5 A contactor state monitoring device, comprising a U-shaped mounting seat 101, a sound and light alarm device 3 is fixedly installed on the inner side wall of the U-shaped mounting seat 101.

[0038] The sound and light alarm device 3 comprises an L-shaped mounting box 301, a second power supply 305 is fixedly installed at the bottom of the inside of the L-shaped mounting box 301, a second relay 303, a buzzer 304 and an indicator light 302 are fixedly installed at the top of the inside of the L-shaped mounting box 301, and the light emitting end of the upper end of the indicator light 302 penetrates through the L-shaped mounting box 301 and the U-shaped mounting seat 101 in turn and extends above the U-shaped mounting seat 101, the controller 103 is electrically connected with the buzzer 304 and the indicator light 302, the second power supply 305 is electrically connected with the second relay 303, and the second relay 303 is electrically connected with the buzzer 304 and the indicator light 302.

[0039] The second power supply 305 can supply power to the buzzer 304 and the indicator light 302, when the data converted by the controller 103 in embodiment 1 changes, the controller 103 can send instructions to the buzzer 304 and the indicator light 302, and the buzzer 304 and the indicator light 302 can start working to remind the worker, the buzzer 304 can also use other audio devices, and the indicator light 302 can be an LED light or other light source. Even in a noisy environment, the worker can know the state change of the contactor through the buzzer 304, and in the case of dim light or blocked vision, the indicator light 302 can provide clear visual prompt.

[0040] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0041] In addition, the terms "first", "second" and the like are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0042] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A contactor condition monitoring device comprising a detection mechanism (1), characterised in that, The current sensor (2) is fixedly installed at the inner bottom end of the detection mechanism (1); The detection mechanism (1) comprises a U-shaped mounting seat (101), a placing groove (102) is formed at the inner bottom end of the U-shaped mounting seat (101), an external power supply (105), a first relay (104) and a controller (103) are installed at the inner bottom end of the placing groove (102), the current sensor (2) is fixedly installed at the inner bottom end of the U-shaped mounting seat (101), and the placing groove (102) is located in front of the current sensor (2).

2. A contactor condition monitoring apparatus according to claim 1, characterised in that, Two maintenance plates (5) are symmetrically hingedly installed at the upper end of the placing groove (102).

3. A contactor condition monitoring apparatus according to claim 1, wherein A display screen (4) is fixedly installed at the inner top end of the U-shaped mounting seat (101).

4. A contactor condition monitoring apparatus according to claim 3, wherein, The current sensor (2) is electrically connected with the controller (103), the controller (103) is electrically connected with the display screen (4), the external power supply (105) is electrically connected with the first relay (104), and the first relay (104) is electrically connected with the current sensor (2), the display screen (4) and the controller (103).

5. A contactor condition monitoring apparatus according to claim 1, wherein An audible and visual alarm device (3) is fixedly installed on the inner wall of the U-shaped mounting seat (101).

6. A contactor condition monitoring apparatus according to claim 5, wherein, The audible and visual alarm device (3) comprises an L-shaped mounting box (301), a second power supply (305) is fixedly installed at the inner bottom end of the L-shaped mounting box (301), a second relay (303), a buzzer (304) and an indicator light (302) are fixedly installed at the inner top end of the L-shaped mounting box (301), and the light-emitting end of the upper end of the indicator light (302) penetrates through the L-shaped mounting box (301) and the upper end of the U-shaped mounting seat (101) in sequence and extends above the U-shaped mounting seat (101).

7. A contactor condition monitoring apparatus according to claim 6, wherein, The controller (103) is electrically connected with the buzzer (304) and the indicator light (302).

8. A contactor condition monitoring apparatus according to claim 7, wherein, The second power supply (305) is electrically connected with the second relay (303), and the second relay (303) is electrically connected with the buzzer (304) and the indicator light (302).

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