An integrated plug-in device for an electrical cabinet and a control method thereof

Abstract

The present invention discloses an integrated plug-in device for an electrical cabinet, comprising a control module and a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, a circuit breaker state detection module, and a human-computer interaction module connected to the control module. The voltage acquisition module, the temperature and humidity acquisition module, the current acquisition module, the circuit breaker state detection module, and the control module are integrated on a circuit board to form an integrated detection unit, and the control module is connected to a remote terminal. The present invention adopts integrated modules to realize the state bit acquisition of the voltage, current, temperature and humidity of the drawer unit and the state switch, thereby reducing the occupied space, reducing the number of punching times, improving the rigidity and strength of the drawer unit, and reducing the installation difficulty and production cost.

Description

Technical Field

[0001] The invention relates to an integrated plug-in device for an electrical cabinet and a control method thereof, belonging to the technical field of electrical drawer units. Background Art

[0002] Existing electrical cabinets adopt a drawer unit mode. The drawer unit controls the connection and disconnection of the incoming and outgoing lines when the drawer is pulled out. The current transformer and voltage acquisition arranged inside are all independent module settings, which easily take up space. In addition, holes need to be punched in the drawer unit, which reduces the rigidity and strength of the equipment. Due to the differences in models and specifications of different manufacturers, it is also difficult to install uniformly, which increases the production cost of the drawer unit. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an integrated plug-in device for an electrical cabinet and a control method thereof, so as to solve the problems existing in the above-mentioned prior art.

[0004] The technical solution adopted by the present invention is: an integrated plug-in device for an electrical cabinet, comprising a control module and a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, a circuit breaker state detection module, and a human-computer interaction module connected to the control module. The voltage acquisition module, the temperature and humidity acquisition module, the current acquisition module, the circuit breaker state detection module, and the control module are integrated on a circuit board to form an integrated detection unit, and the control module is connected to a remote terminal.

[0005] Preferably, the above-mentioned integrated plug-in device of the electrical cabinet also includes a drawer box, the integrated detection unit is installed in the drawer box, an input line dynamic plug-in and an output line dynamic plug-in are installed on the rear side of the drawer box, a mechanical circuit breaker is connected between the input line dynamic plug-in and the output line dynamic plug-in through a wire, the operating rod of the mechanical circuit breaker extends out of the front side of the drawer box and is connected to the operating handle, the detection sensor of the circuit breaker status detection module adopts a tension sensor, one end of the tension sensor is hinged to the hinge seat through a connecting rod, and the other end is connected to the rotating handle through a spring, the rotating handle is fixedly connected to the operating rod, the spring remains in a stretched state when the operating rod rotates in different states, and the hinge seat is fixedly connected in the drawer box.

[0006] Preferably, a temperature-sensitive self-starting fire extinguisher is installed on the side directly opposite to the mechanical circuit breaker, and the control module is also connected to a flame sensor and a smoke sensor, which are installed in the drawer box.

[0007] Preferably, symmetrical fixing plates are arranged on both sides of the drawer box, each fixing plate is connected to a roller mounting plate through a plurality of shock-absorbing rubbers, and the fixing plates are connected to the damping shock-absorbing box after passing through the holes in the side walls of the drawer box, and the damping shock-absorbing box is fixedly connected in the drawer box.

[0008] Preferably, the damping shock absorbing box is provided with a plurality of shock absorbing grooves, and steel balls of different diameters are placed in the shock absorbing grooves, and the amount of the shock absorbing steel balls is determined through experiments.

[0009] A control method for an integrated plug-in device of an electrical cabinet, the method comprising: using a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, and a circuit breaker status detection module to respectively acquire voltage, temperature and humidity of a drawer unit, current, and circuit breaker status information, and transmitting the voltage, temperature and humidity of the drawer unit, current, and circuit breaker status information to a control module, which is processed by the control module and then transmitted to a remote terminal, and the remote terminal changes according to various monitored parameters; obtaining corresponding digital quantities through AD conversion according to the temperature values, flame values, and smoke concentration values ​​measured by the temperature and humidity acquisition module, the flame sensor, and the smoke sensor, and then fusing them through an algorithm in the control module to obtain a fusion value; when the fusion value reaches a set threshold, it is determined that a fire has occurred, and the data is transmitted to the remote terminal for alarm; when the temperature reaches the temperature of a temperature-sensitive automatic fire extinguisher, the valve is automatically opened to extinguish the circuit breaker and the drawer unit.

[0010] Beneficial effects of the present invention: Compared with the prior art, the effects of the present invention are as follows:

[0011] (1) The present invention uses integrated modules to realize the voltage, current, temperature and humidity and status bit collection of the status switch of the drawer unit, which reduces the occupied space, reduces the number of punching times, improves the rigidity and strength of the drawer unit, and reduces the installation difficulty and production cost;

[0012] (2) Use a tension sensor to test the state of the circuit breaker. According to the tension value in different ranges, the state of the circuit breaker is determined, which greatly improves the test accuracy. The production is simple, and the existing old mechanical circuit breaker can be modified to achieve state improvement. The ball joint and spring are used to connect the tension sensor, which will not affect the detection sensitivity of the tension sensor. The installation is convenient and quick, and the connection is stable and reliable.

[0013] (3) A temperature-sensing self-starting fire extinguisher is set up. When the temperature reaches the set temperature, the fire is automatically extinguished to improve the safety of the drawer unit. Flame sensors and smoke sensors are installed, and temperature monitoring is combined to fuse the data of the three and compare them with the threshold. The importance of the three is comprehensively considered to achieve the best fire judgment;

[0014] (4) For harsh working environments with large vibrations, multiple shock-absorbing rubbers are provided to further improve the shock-absorbing effect of the drawer unit, and in combination with a damping shock-absorbing box, the overall shock-absorbing effect is reduced, the stability of the internal moving plug-in or electrical connection interface is reduced, damage caused by local friction and heating due to long-term shaking is avoided, and the probability of damage to internal electrical components is reduced; a shock-absorbing groove structure is provided, which has a good damping and shock-absorbing effect and can be arranged according to needs to achieve the best damping and shock-absorbing effect;

[0015] (5) It can realize remote monitoring and adopts the comparison method of fusion value, which comprehensively considers the temperature value, flame value and smoke concentration value. The fusion value obtained after comprehensive fusion is compared with the threshold value, making the fire judgment more accurate and stable, avoiding fire judgment errors and misjudgments under a single factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the control structure;

[0017] Figure 2 is a schematic diagram of the drawer unit structure;

[0018] Figure 3 It is a schematic diagram of the structure of the connection of the shock absorbing structure;

[0019] Figure 4 This is a schematic diagram of the installation structure of the tension sensor. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] Example 1: Figure 1-4 As shown, an integrated plug-in device for an electrical cabinet includes a control module and a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, a circuit breaker state detection module, and a human-computer interaction module connected to the control module. The voltage acquisition module, the temperature and humidity acquisition module, the current acquisition module, the circuit breaker state detection module, and the control module are integrated on a circuit board to form an integrated detection unit, and the control module is connected to a remote terminal.

[0022] Preferably, the above-mentioned integrated plug-in device of the electrical cabinet also includes a drawer box 1, the integrated detection unit is installed in the drawer box 1, an input line dynamic plug-in 2 and an output line dynamic plug-in 3 are installed on the rear side of the drawer box 1, a mechanical circuit breaker 4 is connected between the input line dynamic plug-in 2 and the output line dynamic plug-in 3 through a wire, the operating rod of the mechanical circuit breaker 4 extends out of the front side of the drawer box 1 and is connected to the operating handle, the detection sensor of the circuit breaker state detection module adopts a tension sensor 5, one end of the tension sensor 5 is hinged to the hinge seat 6 through a connecting rod (spherical hinge), and the other end is connected to the hinge seat 6 through the connecting rod in sequence. The rod and spring 7 are connected to the rotating handle 8, and the rotating handle 8 is fixedly connected to the operating rod. The spring 7 remains in a stretched state when the operating rod rotates in different states. The hinge seat 6 is fixedly connected in the drawer box 1. The state of the circuit breaker is tested by a tension sensor. The state of the circuit breaker is determined according to the tension value in different ranges, which greatly improves the test accuracy. The production is simple. The existing old mechanical circuit breaker is modified to achieve state improvement. The ball joint and spring are used to realize the connection of the tension sensor, which will not affect the detection sensitivity of the tension sensor. The installation is convenient and quick, and the connection is stable and reliable. Tension sensor test method: When the pressure value is in the range a 1 ±Δ 1 When the circuit breaker is in the closed state, the pressure value is in the range a 2 ±Δ 2 When the gate is open, the pressure value is within the range a. 3 ±Δ 3 When it is in maintenance state, a 1 、a 2 and a 3 are the pressure values ​​of the three states, Δ 1 , Δ 2 and Δ 3 These are the deviation values ​​at three pressure values ​​respectively.

[0023] Preferably, a temperature-sensing self-starting fire extinguisher 9 is installed on the side opposite to the above-mentioned mechanical circuit breaker 4, and the control module is also connected to a flame sensor 10 and a smoke sensor 16. The flame sensor 10 and the smoke sensor 16 are installed in the drawer box 1. A temperature-sensing self-starting fire extinguisher is provided. When the temperature reaches the set temperature, the fire is automatically extinguished, thereby improving the safety of the drawer unit. Flame sensors and smoke sensors are additionally installed, and temperature monitoring is cooperated. The data of the three are fused and calculated, and compared with the threshold value. The importance of each of the three is comprehensively considered to achieve the best fire judgment.

[0024] Preferably, symmetrical fixing plates 11 are provided on both sides of the drawer box 1, each fixing plate 11 is connected to a roller mounting plate 12 through a plurality of shock-absorbing rubbers 15, and the fixing plates 11 are connected to a damping shock-absorbing box 13 after passing through the side wall holes 17 of the drawer box 1, and the damping shock-absorbing box 13 is fixedly connected in the drawer box 1. For the harsh working environment with large vibration, the damping shock-absorbing box 13 is built with a plurality of shock-absorbing grooves 14, and steel balls of different diameters are placed in the shock-absorbing grooves 14. The amount of the shock-absorbing steel balls is determined by experiments, and the provision of a plurality of shock-absorbing rubbers can further improve the shock-absorbing effect of the drawer unit. The damping and shock absorbing box is used to reduce the overall shock absorbing effect, reduce the stability of the internal dynamic plug-in or electrical connection interface, avoid damage caused by local friction and heating due to long-term shaking, and reduce the probability of damage to internal electrical components. A shock absorbing groove structure is set up with good damping and shock absorbing effect, which can be arranged according to needs to achieve the best damping and shock absorbing effect. The vibration absorbing groove is isolated by a detachable partition. The damping and shock absorbing box is an upper open structure, and a plurality of pairs of left-right symmetrical partition inlay grooves are arranged along its length, which can be isolated according to needs, greatly improving the equipment utilization rate and application scope.

[0025] Embodiment 2: A control method for an integrated plug-in device of an electrical cabinet, the method comprising: using a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, and a circuit breaker status detection module to respectively collect voltage, temperature and humidity of a drawer unit, current, and circuit breaker status information, and transmitting the voltage, temperature and humidity of the drawer unit, current, and circuit breaker status information to a control module, which processes the information and transmits it to a remote terminal, and the remote terminal changes according to the various monitored parameters; obtaining corresponding digital quantities through AD conversion according to the temperature values, flame values, and smoke concentration values ​​measured by the temperature and humidity acquisition module, the flame sensor, and the smoke sensor, and then fusing them through an algorithm in the control module to obtain a fusion value; when the fusion value reaches a set threshold, it is determined that a fire has occurred, and the data is transmitted to a remote terminal for alarm; when the temperature reaches the temperature of a temperature-sensitive automatic fire extinguisher, the valve is automatically opened to extinguish the fire of the circuit breaker and the drawer unit.

[0026] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An integrated plug-in device for an electrical cabinet, characterized in that: The invention comprises a control module and a voltage acquisition module, a temperature and humidity acquisition module, a current acquisition module, a circuit breaker state detection module, and a human-computer interaction module connected to the control module. The voltage acquisition module, the temperature and humidity acquisition module, the current acquisition module, the circuit breaker state detection module, and the control module are integrated on a circuit board to form an integrated detection unit. The control module is connected to a remote terminal. The invention also comprises a drawer box (1). The integrated detection unit is installed in the drawer box (1). An input line moving plug-in (2) and an output line moving plug-in (3) are installed on the rear side of the drawer box (1). A mechanical circuit breaker (4) is connected between the input line moving plug-in (2) and the output line moving plug-in (3) via a wire. An operating rod of the mechanical circuit breaker (4) extends out of the front side of the drawer box (1) and is connected to an operating handle. A detection sensor of the circuit breaker state detection module adopts a tension sensor (5). One end of the force sensor (5) is hinged to the hinge seat (6) through a connecting rod, and the other end is connected to the rotating handle (8) through a spring (7). The rotating handle (8) is fixedly connected to the operating rod. The spring (7) maintains a stretched state when the operating rod rotates in different states. The hinge seat (6) is fixedly connected in the drawer box (1). Symmetrical fixing plates (11) are arranged on both sides of the drawer box (1). Each fixing plate (11) is connected to a roller mounting plate (12) through a plurality of shock-absorbing rubbers (15). The fixing plates (11) pass through the side wall holes of the drawer box (1) and are connected to the damping shock-absorbing box (13). The damping shock-absorbing box (13) is fixedly connected in the drawer box (1). The damping shock-absorbing box (13) is internally provided with a plurality of shock-absorbing grooves (14). Steel balls of different diameters are placed in the shock-absorbing grooves (14). The amount of the shock-absorbing steel balls is determined by experiments.

2. An electrical cabinet integrated plug-in device according to claim 1, characterized in that: A temperature-sensitive self-starting fire extinguisher (9) is installed on one side directly opposite the mechanical circuit breaker (4). The control module is also connected to a flame sensor (10) and a smoke sensor (16). The flame sensor (10) and the smoke sensor (16) are installed in the drawer box (1).

3. A control method for an integrated plug-in device of an electrical cabinet according to any one of claims 1-2, characterized in that: The method comprises: using the voltage acquisition module, the temperature and humidity acquisition module, the current acquisition module, and the circuit breaker status detection module to respectively collect the voltage, the temperature and humidity of the drawer unit, the current, and the circuit breaker status information, and transmitting the voltage, the temperature and humidity of the drawer unit, the current, and the circuit breaker status information to the control module, which processes and transmits the information to the remote terminal, and the remote terminal changes according to the various monitored parameters; The temperature, flame and smoke concentration values ​​measured by the temperature and humidity acquisition module, flame sensor and smoke sensor are converted into corresponding digital quantities through AD conversion, and then fused through the algorithm in the control module to obtain a fusion value. When the fusion value reaches the set threshold, it is judged that a fire has occurred, and the data is transmitted to the remote terminal for alarm. When the temperature reaches the temperature of the temperature-sensitive automatic fire extinguisher, the valve is automatically opened to extinguish the fire in the circuit breaker and drawer unit.

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