CN214102076U - Control cabinet - Google Patents

Abstract

The utility model discloses a control cabinet, comprising a shell and an inner cavity, wherein the inner cavity is arranged inside the shell; the shell contains the cabinet body, the cabinet body openly rotates connects the cabinet door, cabinet body rear side fixed connection trough, cabinet body bottom fixed connection glan head, the positive fixed connection change over switch of cabinet door, the positive fixed connection key switch of cabinet door, compare with prior art, the beneficial effects of the utility model are that: this scheme has redesigned a circuit board on original switch board basis, has replaced original trend control that need use PLC could export, has used original relay on board carried relay and has put on the PCB board, has changed original partial binding post into the board carried terminal that the volume is littleer, and 0-10V's voltage regulator has been through integrated to the PCB board on, the great reduction of this PCB board original paper's in the cabinet quantity, has simplified the wiring.

Description

Control cabinet

Technical Field

The utility model relates to a switch board field specifically is a switch board.

Background

The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.

The control cabinet in the existing market is complex in wiring, is not easy to get rid of faults when problems occur, and is too compact in layout, so that improvement is needed.

Disclosure of Invention

An object of the utility model is to provide a switch board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a control cabinet including a housing and an interior chamber, the interior chamber being within the housing; the shell contains the cabinet body, the cabinet body openly rotates the connection cabinet door, cabinet body rear side fixed connection trough, cabinet body bottom fixed connection glan head, the positive fixed connection change over switch of cabinet door, the positive fixed connection key switch of cabinet door, the inner chamber contains circuit filter, circuit filter electric connection net gape, circuit filter electric connection circuit breaker one, circuit breaker one electric connection circuit breaker two, two electric connection contactors of circuit breaker, two electric connection DC24V switching power supplies of circuit breaker, contactor electric connection DC48V switching power supply, DC24V switching power supply electric connection auxiliary relay and base, DC48V switching power supply electric connection fuse and base, DC24V switching power supply electric connection PCB circuit board, PCB circuit board electric connection binding post one, binding post two, And a third connecting terminal.

As a further aspect of the present invention: still include the circuit part, including power module, main power control module, motor control module, IS50 wiring module, PCB circuit board input module, PCB circuit board output module, PCB functional module, power module connects main power control module, motor control module, IS50 wiring module, PCB functional module, and PCB 5O module connects PCB circuit board input module, PCB circuit board output module, and PCB functional module connects motor control module.

As a further aspect of the present invention: the power supply module comprises mains supply, power filter, gold inspection machine, change over switch, 24V switching power supply, 48V switching power supply, the circuit breaker, and main power control module comprises key switch, contactor, auxiliary relay, emergency stop button, and motor control module comprises 4 bus motors, and IS50 wiring module comprises weighing instrument, weighing sensor, and PCB function module comprises PCB circuit board, auxiliary relay.

As a further aspect of the present invention: the weighing instrument IS of type IS 50.

As a further aspect of the present invention: the power filter consists of a capacitor, an inductor and a resistor.

As a further aspect of the present invention: and the PCB is connected with an onboard relay which comprises an onboard terminal with smaller volume.

As a further aspect of the present invention: and the PCB is integrally connected with a 0-10V voltage regulator.

Compared with the prior art, the beneficial effects of the utility model are that: this scheme is on original switch board basis, a circuit board has been redesigned, the original trend control that need use PLC could be exported has been replaced, original relay has been used on board and has been put on the PCB board, original partial binding post has been changed into the board that the volume is littleer and has been carried the terminal, 0-10V's voltage regulator has been through integrated to the PCB board, this PCB board great reduction the quantity of original paper in the cabinet, the wiring has been simplified, the inside overall arrangement of switch board has also been optimized simultaneously, the effectual wiring of having solved is complicated, the problem that the original paper is too compact in difficult and the cabinet of arranging the trouble.

Drawings

Fig. 1 is a front external view of a control cabinet.

Fig. 2 is an internal layout view of a control cabinet.

Fig. 3 is a layout view of a PCB board.

Fig. 4 is a circuit diagram of the power supply module of the control cabinet.

Fig. 5 is a circuit diagram of the main power control module.

Fig. 6 is a circuit diagram of a motor control module.

Fig. 7 IS an overview of IS50 patching modules.

Fig. 8 is a circuit diagram of a PCB input module.

Fig. 9 is a circuit diagram of the PCB output module.

Fig. 10 is a functional block diagram of a PCB.

In the figure: the intelligent cabinet comprises a cabinet body 1, a cabinet door 2, a wiring groove 3, a change-over switch 4, a key switch 5, a glan head 6, a DC48V switch power supply 7, a DC24V switch power supply 8, a network port 9, a circuit breaker I10, a circuit breaker II 11, a circuit breaker III 12, an intermediate relay and base 13, a fuse 14, a fuse and base 15, a contactor 16, a circuit filter 16, a wiring terminal I17, a wiring terminal II 18, a wiring terminal III 19 and a PCB 20.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1: a control cabinet including a housing and an interior chamber, the interior chamber being within the housing; the shell comprises a cabinet body 1, the cabinet body 1 is positively connected with a cabinet door 2 in a rotating way, the rear side of the cabinet body 1 is fixedly connected with a wiring groove 3, the bottom of the cabinet body 1 is fixedly connected with a gland head 6, the cabinet door 2 is positively connected with a change-over switch 4 in a fixed way, the cabinet door 2 is positively connected with a key switch 5 in a fixed way, the inner cavity comprises a circuit filter 16, the circuit filter 16 is electrically connected with a network port 9, the circuit filter 16 is electrically connected with a circuit breaker I10, the circuit breaker I10 is electrically connected with a circuit breaker II 11, the circuit breaker II 11 is electrically connected with a contactor 15, the circuit breaker II 11 is electrically connected with a DC24V switch power supply 8, the contactor 15 is electrically connected with a DC48V switch power supply 7, the DC24V switch power supply 8 is electrically connected with an intermediate relay and a base 13, the DC48V switch power supply 7 is electrically connected with a fuse and a base 14, and the DC24V switch power supply 8 is electrically connected with a PCB 20, the PCB circuit board 20 is electrically connected with the first connecting terminal 17, the second connecting terminal 18 and the third connecting terminal 19.

As shown in fig. 1-3, the original relay uses an onboard relay and is placed on a PCB board, the original part of wiring terminals is replaced by onboard terminals with smaller volume, and a 0-10V voltage regulator is integrated on the PCB board, so that the number of original components in the cabinet is greatly reduced by the PCB board, wiring is simplified, and meanwhile, the layout in the control cabinet is optimized.

The power supply module IS used for providing power, the main power supply control module IS used for controlling the power, the motor control module IS used for controlling the rotation of the motor, the IS50 wiring module IS used for IS50 work, the PCB input module IS used for inputting signals, the PCB output module IS used for outputting signals, and the PCB function module IS used for realizing related functions, the power supply module IS connected with the main power supply control module, the motor control module, the IS50 wiring module and the PCB function module, the IS5O module IS connected with the PCB input module and the PCB output module, and the PCB function module IS connected with the motor control module.

The specific circuit IS shown in fig. 4-10, the power supply module IS composed of a mains supply, a power filter, a gold inspection machine, a change-over switch, a DC24V switching power supply, a DC48V switching power supply and a circuit breaker, the main power supply control module IS composed of a key switch, a contactor, an intermediate relay and an emergency stop button, the motor control module IS composed of 4 bus motors, the IS50 wiring module IS composed of a weighing instrument and a weighing sensor, the PCB function module IS composed of a PCB circuit board and an intermediate relay, the power filter filters an input power supply to prevent noise of the power supply from influencing functions of weighing and the like; the change-over switch and the power supply main switch are used for controlling the on-off of the main power supply; the key switch realizes the function of starting the belt in an emergency by controlling a coil of the KA 2; the emergency stop button is pressed to disconnect the coil of the contactor, so that the power failure of the motor is realized, and a protection effect is achieved; the DC24V switching power supply supplies power to components such as a control circuit, a relay, a sensor, an electromagnetic valve and the like; the DC48V switching power supply supplies power for the belt motor; the contactor controls the power supply of the PS2 to be switched on and off; the gold detection machine is used for detecting whether metal exists in the passing goods or not; the fuse plays a role in short-circuit protection; the intermediate relay controls the on-off of 0-10V; the PCB integrates the functions of an output relay, an input/output terminal, trend control, 0-10 adjustable voltage and the like.

The utility model discloses a theory of operation is: the power supply voltage of the control cabinet IS AC220V, power IS supplied to each loop through a breaker, meanwhile, the breaker provides short circuit and overcurrent protection for the circuit, two switching power supplies are connected behind the breaker, one switching power supply IS DC24V, the other switching power supply IS DC48V, the 24V power supply supplies power for a control loop and a safety loop in the control cabinet, the 48V power supply provides energy for an external CAN bus motor, a weighing instrument IS50 IS a master controller, after the motor IS started, goods are detected to pass through by photoelectricity, weight data are obtained through a weighing sensor and displayed on a screen, the IS50 and a PCB communicate through RS485 to perform trend control, and the trend control CAN be connected with a rear-end packaging machine to tell that the goods are too light or too heavy to form closed-loop control; the control cabinet is applied to CWA (continuous wave analysis) weighing of Bizerba company at present, successfully solves the requirements of customers and gains good market reverberation.

Embodiment 2, on the basis of embodiment 1, a power filter, also known as a "power EMI filter", or an "EMI power filter", is a passive bidirectional network, and is an electrical device that effectively filters a frequency point of a specific frequency in a power supply or frequencies other than the frequency point, the power filter is designed for the characteristics of electromagnetic disturbance of a power port, generally is a frequency selective two-port network composed of inductors, capacitors, resistors, or ferrite devices, is actually one of filters, and is called as a reflective filter according to the working principle, and can provide high series impedance and low parallel impedance in a filter stop band, so that the impedance of the filter and the impedance of a noise source are seriously mismatched, and thus, an undesired frequency component is emitted back to the noise source.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A control cabinet including a housing and an interior chamber, the interior chamber being within the housing; the utility model is characterized in that, the shell contains the cabinet body (1), the cabinet body (1) openly rotates and connects cabinet door (2), the cabinet body (1) rear side fixed connection trough (3), the cabinet body (1) bottom fixed connection glan head (6), the cabinet door (2) openly fixed connection change over switch (4), the cabinet door (2) openly fixed connection key switch (5), the inner chamber contains circuit filter (16), circuit filter (16) electric connection net gape (9), circuit filter (16) electric connection circuit breaker (10), circuit breaker (10) electric connection circuit breaker two (11), circuit breaker two (11) electric connection contactor (15), circuit breaker two (11) electric connection DC24V switching power supply (8), contactor (15) electric connection DC48V switching power supply (7), DC24V switching power supply (8) electric connection auxiliary relay and base (13), DC48V switching power supply (7) electric connection fuse and base (14), DC24V switching power supply (8) electric connection PCB circuit board (20), PCB circuit board (20) electric connection binding post (17), binding post two (18), binding post three (19).

2. The control cabinet of claim 1, further comprising a circuit part including a power supply module, a main power control module, a motor control module, an IS50 wiring module, a PCB input module, a PCB output module, and a PCB function module, wherein the power supply module IS connected to the main power control module, the motor control module, the IS50 wiring module, and the PCB function module, the IS5O module IS connected to the PCB input module and the PCB output module, the PCB function module IS connected to the motor control module, the power supply module IS composed of a mains power supply, a power filter, a gold detector, a transfer switch, 2 switching power supplies, and 4 circuit breakers, the main power control module IS composed of a key switch, a contactor, an intermediate relay, and an emergency stop button, the motor control module IS composed of 4 bus motors, the IS50 wiring module IS composed of a weighing instrument and a weighing sensor, the PCB functional module is composed of a PCB circuit board and an intermediate relay.

3. The control cabinet of claim 2, wherein the weighing instrument IS model IS 50.

4. The control cabinet of claim 2, wherein the power filter is comprised of a capacitor, an inductor, and a resistor.

5. The control cabinet of claim 2, wherein the PCB circuit board has attached thereto an on-board relay having a relatively small on-board terminal.

6. The control cabinet of claim 5, wherein the PCB circuit board is integrally connected with a 0-10V voltage regulator.

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