Safety reminder for switch cabinet and switch cabinet

Abstract

The present invention belongs to the technical field of electrical equipment, and discloses a safety reminder for a switch cabinet and a switch cabinet. The safety reminder for the switch cabinet includes: a first detection member, a mounting shell, a second detection member, a controller and a warning member. The first detection member is used to detect the phase sequence of the switch cabinet; the mounting shell is arranged on the first detection member; the second detection member is arranged in the mounting shell, and the second detection member is used to detect the light intensity to judge the position of the operator relative to the mounting shell; the controller is arranged in the mounting shell and is communicatively connected with the first detection member and the second detection member. The warning member is communicatively connected with the controller, and the controller controls the operation of the warning member to warn the operator according to the detection results of the first detection member and the second detection member. In this way, the problem that the operator mainly relies on experience to perform maintenance operations in the prior art is solved, and the possibility of erroneous operation of the operator during the maintenance process is reduced, thereby reducing the possibility of electric shock and improving the safety of maintenance work.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to a safety reminder for a switch cabinet and the switch cabinet. Background Art

[0002] Switchgear refers to equipment for power generation, transmission, distribution and energy conversion in power systems, which is equipped with circuit breakers, disconnectors, load switches, operating mechanisms, mutual inductors and various circuit protection devices, etc. Its types include closed and open types.

[0003] In the prior art, an open switch cabinet includes a cabinet body, a cabinet door, and various devices arranged in the cabinet body. When performing daily maintenance and overhaul on the switch cabinet, operators need to open the cabinet door to inspect numerous devices and lines.

[0004] However, if during the maintenance process, the operator simply relies on his work experience to perform a series of operations, it is easy to make mistakes in the process. The current in the switch cabinet is generally large. When an operation error occurs, it will cause the operator to be injured or killed by electric shock, or even cause more serious accidents. Summary of the invention

[0005] The purpose of the present invention is to provide a safety reminder for a switch cabinet and a switch cabinet, which solves the problem in the prior art that operators are prone to operating errors when repairing the switch cabinet simply relying on experience, which may cause electric shock injuries or death to the operators, or even cause more serious accidents.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] A safety reminder for a switch cabinet, comprising: a first detection member, a mounting shell, a second detection member, a controller and a warning member. The first detection member is used to detect the phase sequence of the switch cabinet; the mounting shell is arranged on the first detection member; the second detection member is arranged in the mounting shell, and the second detection member is used to detect the light intensity to determine the position of the operator relative to the mounting shell; the controller is arranged in the mounting shell and is connected to the first detection member and the second detection member. The warning member is connected to the controller, and the controller controls the operation of the warning member to warn the operator according to the detection results of the first detection member and the second detection member.

[0008] Optionally, the first detection component includes: a detection shell, which is used to be fixedly connected to the switch cabinet, and the mounting shell is arranged on the detection shell; and a phase sequence meter, which is arranged in the detection shell and is used to detect the phase sequence of the switch cabinet, and the phase sequence meter is connected to the controller to transmit the detection result to the controller.

[0009] Optionally, the second detection component includes: an infrared sensor, which is arranged on the mounting shell and is communicatively connected with the controller, and the sensing head of the infrared sensor is arranged toward the outside of the mounting shell to detect the distance between the operator and the mounting shell.

[0010] Optionally, the switch cabinet safety reminder further includes: a button, which is arranged on the mounting shell and is transparent, the infrared sensor is arranged in the button, and the button is communicatively connected with the controller to control the warning member to cancel the warning through the controller.

[0011] Optionally, the warning element includes: a lighting unit, which is arranged in the button and electrically connected to the controller, and the controller is used to control the start and stop of the lighting unit according to the detection results of the first detection element and the second detection element.

[0012] Optionally, the warning member further includes: a speaker, which is arranged in the installation shell and is communicatively connected to the controller, and the controller is used to control the start and stop of the speaker according to the detection results of the first detection member and the second detection member.

[0013] Optionally, the switch cabinet safety reminder further includes: a display unit, which is arranged on the mounting shell and is communicatively connected with the controller, and the display unit is used to display the detection result of the first detection component.

[0014] Optionally, the display unit includes: a plurality of indicator lights, all connected to the controller, and the controller is used to control the corresponding indicator lights to start according to the detection result of the first detection component.

[0015] Optionally, the first detection member is provided with a plurality of insertion holes for inserting the insertion rods of the switch cabinet, the insertion rods are electrically connected to the first detection member, and the first detection member detects the phase sequence of the switch cabinet through the insertion rods.

[0016] The present invention provides a switch cabinet, comprising: a cabinet body and a safety reminder for the switch cabinet as described in any one of the above items, wherein the safety reminder for the switch cabinet is arranged on the cabinet body.

[0017] Beneficial effects of the present invention:

[0018] By setting the first detection part, the phase sequence in the switch cabinet can be monitored in real time to determine the operating status of the switch cabinet. The second detection part can detect the position of the operator relative to the installation shell. When the second detection part detects that the operator is close to the switch cabinet, the controller determines that the operator is ready to perform maintenance work based on the detection result, and controls the warning part to operate and warn the operator, so as to remind the operator in real time to perform maintenance operations in a correct and reasonable operating sequence. This solves the problem in the prior art that operators mainly rely on experience to perform maintenance operations, reduces the possibility of operators making mistakes during the maintenance process, thereby reducing the possibility of electric shock and improving the safety of maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a first isometric view of a safety reminder for a switch cabinet in some embodiments of the present invention.

[0020] Figure 2 Shown is a schematic diagram of the structure of a safety reminder for a switch cabinet in some embodiments of the present invention.

[0021] Figure 3 Shown is a second isometric view of a safety reminder for a switch cabinet in some embodiments of the present invention.

[0022] In the figure:

[0023] 100, first detection part; 110, detection shell; 111, jack; 200, installation shell; 210, indicator light; 220, button; 230, sound hole; 300, second detection part; 400, controller; 500, warning part. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0025] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0027] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0028] The invention provides a safety reminder for a switch cabinet and the switch cabinet.

[0029] Embodiment 1

[0030] Figure 1 Shown is a first isometric view of a safety reminder for a switch cabinet in some embodiments of the present invention. Figure 2 The figure shows a schematic diagram of the structure of a safety reminder for a switch cabinet in some embodiments of the present invention. Figure 1 and Figure 2 As shown, the safety reminder for the switch cabinet includes: a first detection member 100, a mounting shell 200, a second detection member 300, a controller 400 and a warning member 500. The first detection member 100 is used to detect the phase sequence of the switch cabinet; the mounting shell 200 is arranged on the first detection member 100; the second detection member 300 is arranged in the mounting shell 200, and the second detection member 300 is used to detect the light intensity to determine the position of the operator relative to the mounting shell 200. The controller 400 is arranged in the mounting shell 200 and is connected in communication with the first detection member 100 and the second detection member 300. The warning member 500 is connected in communication with the controller 400, and the controller 400 controls the warning member 500 to operate according to the detection results of the first detection member 100 and the second detection member 300 to warn the operator.

[0031] Specifically, the first detection member 100 can be directly electrically connected to the corresponding device in the switch cabinet by plugging, so as to monitor the phase sequence in the switch cabinet in real time. The phase sequence refers to the order in which each voltage in the three-phase power supply passes through the same value. The phase sequence detection result can directly reflect whether there is a fault in the circuit system in the switch cabinet. The installation shell 200 can be in a cubic shape and is made of insulating material. The second detection member 300 can be arranged inside the installation shell 200, and the detection head can be facing the side of the installation shell 200 away from the switch cabinet. The controller 400 and the warning member 500 are both arranged inside the installation shell 200. The controller 400 can adopt a PLC module, etc., and a corresponding control program is built in to generate a control signal according to the detection results of the first detection member 100 and the second detection member 300. The warning member 500 can include two parts: a light warning and a sound warning. The light warning can produce red and other light with strong penetration, and the sound warning can produce a buzzer or a voice prompt such as a maintenance step.

[0032] After the operator approaches the switch cabinet, the second detection member 300 can detect the position of the operator relative to the mounting shell 200. When it is determined that the operator is ready to perform maintenance work, the controller 400 controls the warning member 500 to run and warn the operator, so as to remind the operator in real time to perform maintenance operations in a correct and reasonable operating sequence. The first detection member 100 can monitor the phase sequence in the switch cabinet in real time to determine the operating status of the switch cabinet. The operator can also obtain the phase sequence in the switch cabinet through the controller 400 to open the cabinet door and perform corresponding maintenance operations after determining that there is no fault in the circuit. This solves the problem in the prior art that the operator mainly relies on experience to perform maintenance operations, reduces the possibility of operators making erroneous operations during the maintenance process, thereby reducing the possibility of electric shock and improving the safety of maintenance work.

[0033] Figure 3 FIG. 2 is a second isometric view of a safety reminder for a switch cabinet in some embodiments of the present invention. Figure 3 As shown, in some embodiments of the present invention, the first detection member 100 includes a detection housing 110 and a phase sequence meter. The detection housing 110 is used to be fixedly connected to the switch cabinet, and the mounting housing 200 is arranged on the detection housing 110. The phase sequence meter is arranged in the detection housing 110 for detecting the phase sequence of the switch cabinet, and the phase sequence meter is connected to the controller 400 to transmit the detection result to the controller 400. The detection housing 110 is provided with a plurality of jacks 111 for inserting the plug rods of the switch cabinet, and the plug rods are electrically connected to the phase sequence meter, and the first detection member 100 detects the phase sequence of the switch cabinet through the plug rods.

[0034] Specifically, the detection shell 110 can be in the shape of a long strip, and is connected to the mounting shell 200 by fasteners such as bolts. The phase sequence meter is fixed in the detection shell 110 by bonding or other means. The jack 111 is arranged on the side of the detection shell 110 close to the switch cabinet, and multiple jacks 111 can be arranged. Each phase sequence of the switch cabinet is correspondingly provided with a plug rod, which is inserted into the jack 111 and electrically connected to the phase sequence meter. It should be understood that the phase sequence meter and the controller 400 can be connected wirelessly or by wire, and the present invention does not limit this.

[0035] During the operation of the switch cabinet, the phase sequence meter monitors the phase sequence in the switch cabinet in real time through the plug rod. When the operator approaches the switch cabinet to prepare for maintenance, he can first obtain the phase sequence in the switch cabinet through the controller 400 to determine whether there is a fault in the circuit. When there is a fault in the circuit, the operator can first cut off the power to the switch cabinet and then perform corresponding operations to improve the safety of maintenance.

[0036] Reference Figure 1 As shown, in some embodiments of the present invention, the safety reminder for the switch cabinet further includes a display unit. The display unit is arranged on the mounting shell 200 and is communicatively connected to the controller 400, and the display unit is used to display the detection result of the first detection member 100. The display unit includes a plurality of indicator lights 210. The plurality of indicator lights 210 are all connected to the controller 400, and the controller 400 is used to control the corresponding indicator lights 210 to start according to the detection result of the first detection member 100.

[0037] Specifically, three indicator lights 210 can be provided to correspond to the phase sequence of the three-phase power supply respectively. The indicator lights 210 can use lights of the same color or lights of different colors. The specific design can be based on the actual application scenario, which is not limited by the present invention. The three indicator lights 210 can be distributed on the mounting shell 200 in a row or a column, or can be distributed along the circumference of the mounting shell 200. The name of the corresponding phase sequence can also be engraved on the surface of the mounting shell 200 and around the corresponding indicator lights 210 as an identification.

[0038] The detection result of the phase sequence table on the phase sequence of the switch cabinet can be transmitted to the controller 400 in real time. The controller 400 generates a corresponding control signal according to the detection result to control the corresponding indicator light 210 to light up. The operator can determine the phase sequence of the switch cabinet by observing the corresponding indicator light 210 that lights up.

[0039] In some embodiments of the present invention, the second detection member 300 includes an infrared sensor which is disposed on the mounting shell 200 and is in communication with the controller 400, and the sensing head of the infrared sensor is disposed toward the outside of the mounting shell 200 to detect the distance between the operator and the mounting shell 200.

[0040] Specifically, the housing of the infrared sensor can be fixed in the mounting shell 200, and its infrared emitting head faces the outside of the mounting shell 200 to generate corresponding infrared rays. One or more infrared sensors can be provided, which can be set according to the actual application site, and the present invention does not limit it.

[0041] The controller 400 may be provided with a corresponding program. After obtaining the detection result of the infrared sensor, the detection result is compared with the set value, and whether the operator is ready to perform maintenance is determined based on the comparison result. The detection result may include a distance signal and a time signal. The distance signal refers to the distance between the operator and the switch cabinet, and the time signal refers to the time when the operator blocks the infrared sensor. Only when the controller 400 determines that both the distance signal and the time signal meet the requirements will the warning element 500 be controlled to operate.

[0042] When the operator approaches the switch cabinet, the infrared rays generated by the infrared sensor will be blocked, and the infrared sensor can detect the distance between the operator and the mounting shell 200. The mounting shell 200 and the switch cabinet are relatively fixed, so the distance between the operator and the switch cabinet can be detected. When the controller 400 receives the detection signal of the infrared sensor only for a short period of time, it is determined that only a person or an object has passed through the switch cabinet. When the controller 400 continues to receive the detection signal of the infrared sensor within a certain period of time, it is determined that the operator is about to inspect the switch cabinet, and the controller 400 can control the alarm member 500 to operate.

[0043] Reference Figure 1 As shown, in some embodiments of the present invention, the safety reminder for the switch cabinet further includes a button 220. The button 220 is disposed on the mounting shell 200 and is transparent, the infrared sensor is disposed in the button 220, and the button 220 is communicatively connected with the controller 400 to control the warning member 500 to cancel the warning through the controller 400.

[0044] Specifically, the button 220 can be slidably set on the mounting shell 200 through a spring or other structure. It can be made of glass or plastic with good light transmittance. The infrared sensor is fixed on the button 220. A light source such as a lamp bead can also be set in the button 220 to generate light accordingly. The button 220 is connected to the controller 400 for communication to input a reset signal to the controller 400. The controller 400 controls the warning member 500 to cancel the warning when it obtains the reset signal. The specific installation structure of the button 220 can be designed according to the actual installation space, and the present invention does not make specific limitations. After the operator completes the inspection, the reset signal can be transmitted to the controller 400 by pressing the button 220. The controller 400 can control the warning member 500 to stop the warning and reset according to the reset signal.

[0045] In some embodiments of the present invention, the warning member 500 includes a lighting unit and a speaker. The lighting unit is disposed in the button 220, and the speaker is disposed in the mounting shell 200. The lighting unit and the speaker are both electrically connected to the controller 400, and the controller 400 is used to control the activation and deactivation of the lighting unit and the speaker according to the detection results of the first detection member 100 and the second detection member 300.

[0046] Specifically, the lighting unit uses a lamp bead that can generate red light as a light source. A corresponding battery is provided inside the button 220 as a power source, and a switch is provided between the power source and the light source. The switch is connected to the controller 400 for communication. When the controller 400 obtains the abnormal phase sequence detected by the phase sequence table, the switch can be closed to light up the lighting unit, or after the controller 400 obtains the signal continuously transmitted by the infrared sensor, the switch will also be closed to light up the lighting unit to alert the operator.

[0047] Reference Figure 1 As shown, a plurality of sound holes 230 are provided on the bottom wall of the mounting shell 200, and the sound output end of the speaker is arranged toward the sound hole 230. A warning voice is recorded in the speaker, such as a buzzer or a voice of the normal step sequence of the maintenance, or other voice warning sounds. It should be understood that the lighting unit and the speaker may also be composed of other structures, such as the lighting unit may be separately arranged outside the mounting shell 200, etc., and the present invention does not specifically limit it.

[0048] When the operator is performing maintenance work, the controller 400 can control the lighting unit to light up to warn the operator to concentrate. When the button 220 is pressed to reset, the switch can automatically disconnect to turn off the lighting unit. The speaker can broadcast the maintenance operation steps during the maintenance process to remind the operator to operate in order and reduce the possibility of misoperation.

[0049] The present invention provides a switch cabinet, which comprises: a cabinet body and a switch cabinet safety reminder as described in any one of the above items. The switch cabinet safety reminder is arranged on the cabinet body.

[0050] By installing a safety reminder on the switch cabinet, the operator can be effectively warned when performing maintenance operations on the switch cabinet, ensuring that the operator is focused and operating steps are reasonable, reducing the possibility of misoperation and thus improving the safety of maintenance operations.

[0051] Embodiment 2

[0052] The switch cabinet safety reminder provided in this embodiment is basically the same as that in the first embodiment, and the only difference is the installation method of the detection shell 110. This embodiment will not repeat the same contents as those in the first embodiment. The difference between this embodiment and the first embodiment is:

[0053] The detection housing 110 is provided with a plug rod connected to the phase sequence meter, and the switch cabinet is provided with a socket 111 for the plug rod to be inserted. When the detection housing 110 is installed, the plug rod can be directly inserted into the socket 111, and the phase sequence meter can be connected to the circuit in the switch cabinet to smoothly detect the phase sequence of the switch cabinet.

[0054] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A safety reminder for a switch cabinet, characterized in that: The switch cabinet safety reminder includes: A first detection member (100) is used to detect the phase sequence of the switch cabinet; A mounting shell (200) disposed on the first detection member (100); A second detection member (300) is arranged in the installation shell (200), and the second detection member (300) is used to detect light intensity to determine the position of an operator relative to the installation shell (200); a controller (400) disposed in the mounting shell (200) and communicatively connected with the first detection member (100) and the second detection member (300); and The warning member (500) is in communication connection with the controller (400), and the controller (400) controls the operation of the warning member (500) to warn the operator according to the detection results of the first detection member (100) and the second detection member (300), and reminds the operator in real time to perform maintenance operations in a correct and reasonable operation sequence; The first detection member (100) comprises: A detection shell (110) is used for being fixedly connected to the switch cabinet, and the mounting shell (200) is arranged on the detection shell (110); and A phase sequence meter is arranged in the detection housing (110) and is used to detect the phase sequence of the switch cabinet. The phase sequence meter is connected to the controller (400) to transmit the detection result to the controller (400).

2. The switch cabinet safety reminder according to claim 1, characterized in that: The second detection member (300) comprises: An infrared sensor is arranged on the mounting shell (200) and is communicatively connected to the controller (400); the sensing head of the infrared sensor is arranged toward the outside of the mounting shell (200) to detect the distance between an operator and the mounting shell (200).

3. The switch cabinet safety reminder according to claim 2, characterized in that: The switch cabinet safety reminder also includes: The button (220) is disposed on the mounting shell (200) and is transparent. The infrared sensor is disposed in the button (220). The button (220) is communicatively connected with the controller (400) so as to control the warning element (500) to cancel the warning through the controller (400).

4. The switch cabinet safety reminder according to claim 3, characterized in that: The warning member (500) comprises: The lighting unit is arranged in the button (220) and is electrically connected to the controller (400). The controller (400) is used to control the activation and deactivation of the lighting unit according to the detection results of the first detection unit (100) and the second detection unit (300).

5. The switch cabinet safety reminder according to claim 1, characterized in that: The warning member (500) further comprises: A speaker is arranged in the installation shell (200) and is in communication connection with the controller (400), and the controller (400) is used to control the activation and deactivation of the speaker according to the detection results of the first detection member (100) and the second detection member (300).

6. The switch cabinet safety reminder according to any one of claims 1 to 5, characterized in that: The switch cabinet safety reminder also includes: A display unit is arranged on the mounting shell (200) and is communicatively connected to the controller (400), and the display unit is used to display the detection result of the first detection member (100).

7. The switch cabinet safety reminder according to claim 6, characterized in that: The display unit includes: A plurality of indicator lights (210) are all connected to the controller (400), and the controller (400) is used to control the activation of corresponding indicator lights (210) according to the detection result of the first detection element (100).

8. The switch cabinet safety reminder according to any one of claims 1 to 5, characterized in that: The first detection member (100) is provided with a plurality of insertion holes (111) for inserting the insertion rods of the switch cabinet, the insertion rods are electrically connected to the first detection member (100), and the first detection member (100) detects the phase sequence of the switch cabinet through the insertion rods.

9. A switch cabinet, characterized in that: The switch cabinet comprises: Cabinet; The switch cabinet safety reminder according to any one of claims 1 to 8 is arranged on the cabinet body.

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