Simulation load box

Abstract

The utility model provides a simulation load box which comprises a box body, a load test frame is arranged in the box body, the load test frame comprises two supports which are symmetrically arranged, the two supports are respectively provided with two vertical rods which are vertically arranged in parallel, a plurality of cross rods are arranged between the vertical rods and are perpendicular to the vertical rods, and the cross rods are arranged in the box body. A plurality of electric heating rods are detachably arranged on the transverse rods, fixing parts are arranged at the two ends of each electric heating rod, and connecting parts are arranged on the sides, away from the electric heating rods, of the fixing parts. According to the utility model, the simulation load test can be carried out on the fan control box by simulating the load voltage and current of the motor, and the load power of the simulation load box can be correspondingly adjusted according to the actually required load of the fan control box, so that the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to a simulated load box. Background Art

[0002] A fan control box is an electrical device primarily used to control and manage the operating status of fans (blowers). It integrates a starter, motor protector, relays, contactors, and other electronic components, enabling fan start and stop control, speed regulation, overload protection, and fault display. Widely used in building ventilation systems, industrial cooling systems, and air purification equipment, it improves system energy efficiency and ease of operation through intelligent control.

[0003] Since the power of fans (blowers) varies, it is necessary to test the maximum load voltage and current that the fan control box can bear. Existing equipment for testing fan control boxes cannot adjust the voltage and current of the simulated load accordingly according to the specifications of the fan control box. Utility Model Content

[0004] The utility model provides a simulated load box to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A simulated load box includes a box body, a load test frame is provided inside the box body, and the load test frame includes two symmetrically arranged brackets, each of the two brackets is provided with two vertically parallel vertical rods, and a plurality of cross bars are provided between the vertical rods and perpendicular to the vertical rods. A plurality of electric heating rods are detachably provided on the cross bars, and both ends of the plurality of electric heating rods are provided with a fixing part, and the side of the fixing part away from the electric heating rod is provided with a connecting part.

[0007] Preferably, the fixing portion includes two fixing nuts.

[0008] Preferably, the connecting portion includes a conductive rod, and a wire pressing nut is threaded onto the conductive rod.

[0009] Preferably, the tops of the vertical rods are connected to the top of the box body, and the bottoms of the vertical rods are connected to the bottom of the box body.

[0010] Preferably, a plurality of support plates are provided between the two brackets, and the support plates are arranged at equal intervals.

[0011] Preferably, isolation nets are provided on all four sides of the box.

[0012] Beneficial effects

[0013] The above one or more technical solutions in the simulated load box provided by the embodiment of the utility model have at least one of the following technical effects:

[0014] Through the above technical solution, the utility model can simulate the motor load voltage and current to perform simulated load testing on the fan control box, and can adjust the load power of the simulated load box accordingly according to the actual required load of the fan control box. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the box structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the support structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the electric heating rod of the utility model;

[0019] Figure 5 This is a schematic diagram of the principle of the utility model;

[0020] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0021] 1. Box body; 2. Load test frame; 3. Bracket; 4. Vertical bar; 5. Horizontal bar; 6. Electric heating rod; 7. Fixing part; 8. Connecting part; 9. Fixing nut; 10. Conductive rod; 11. Wire nut; 12. Support plate; 13. Isolation net. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "up", "down", "left" and "right" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 a limitation on the present invention.

[0024] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0025] like Figure 1-4 As shown, it is a structural schematic diagram of a simulated load box in a preferred embodiment of the present invention;

[0026] In this embodiment, it includes a box body 1, and a load test frame 2 is provided inside the box body 1. The load test frame 2 includes two symmetrically arranged brackets 3, and the two brackets 3 have the same structure. The two brackets 3 are each provided with two vertically parallel vertical rods 4, and a plurality of cross bars 5 are provided between the vertical rods 4 perpendicular to the vertical rods 4. The cross bars 5 are arranged at equal intervals. A plurality of electric heating rods 6 are detachably provided on the cross bars 5. The load of the motor current is simulated by energizing the electric heating rods 6, and then a simulated load test is performed on the fan control box. Both ends of the plurality of electric heating rods 6 are provided with fixing parts 7, and the fixing parts 7 are used to fix the electric heating rods 6 on the cross bars 5. The fixing parts 7 are provided with a connecting part 8 on the side away from the electric heating rods 6, and the connecting part 8 is used to connect to an electrical appliance.

[0027] In this embodiment, the fixing part 7 includes two fixing nuts 9, which are arranged in opposite directions. When the two fixing nuts 9 are screwed at the same time, the two fixing nuts 9 approach each other and are clamped on the cross bar 5 by the two fixing nuts 9, thereby fixing the electric heating rod 6 on the cross bar.

[0028] In this embodiment, the connecting portion 8 includes a conductive rod 10 , on which a wire pressing nut 11 is threaded. The wire is connected to the conductive rod 10 and is locked to the conductive rod 10 by the wire pressing nut 11 .

[0029] In this embodiment, the top of the vertical rod 4 is welded or screwed to the top of the box 1, and the bottom of the vertical rod 4 is welded or screwed to the bottom of the box 1. Through this structure, the load test frame 2 and the box are connected and fixed.

[0030] In this embodiment, a plurality of support plates 12 are provided between the two brackets 3 , and the support plates 12 are arranged at equal intervals. The support plates 12 provide support between the two brackets 3 , thereby enhancing the structural strength and improving the stability of the load test frame 2 .

[0031] In this embodiment, isolation nets 13 are provided on all four sides of the box 1 to isolate the load test frame 2 inside the box from the outside world, thereby preventing outsiders from close contact and causing problems such as electric shock.

[0032] Principle of this utility model:

[0033] When using, such as Figure 5 As shown, the fan control box is connected to a main switch, and the main switch is connected to several single switches (circuit breakers). Each single switch can be connected to one or several electric heating rods 6. One end of each electric heating rod 6 is connected to the single switch, and the other end is short-circuited. During the test, the number of energized connections of the electric heating rods 6 can be increased or decreased according to the required load of the fan control box, thereby facilitating the simulated load test of the fan control cabinet.

[0034] The installation, connection or setting method of the simulated load box of the present invention are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0035] Technologies not described in detail in the present invention are all well-known technologies. Those skilled in the art can easily implement the present invention based on understanding this specification, and the contents shown in the drawings are part of this specification.

[0036] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A simulated load box, characterized in that: The invention comprises a box body (1), wherein a load test frame (2) is provided inside the box body (1), wherein the load test frame (2) comprises two symmetrically arranged brackets (3), wherein the two brackets (3) are each provided with two vertically parallel vertical rods (4), wherein a plurality of cross bars (5) are provided between the vertical rods (4) and perpendicular to the vertical rods (4), wherein a plurality of electric heating rods (6) are detachably provided on the cross bars (5), wherein both ends of the plurality of electric heating rods (6) are each provided with a fixing portion (7), and a connecting portion (8) is provided on a side of the fixing portion (7) away from the electric heating rod (6).

2. The simulated load box according to claim 1, characterized in that: The fixing portion (7) comprises two fixing nuts (9).

3. The simulated load box according to claim 1, characterized in that: The connecting portion (8) comprises a conductive rod (10), and a wire pressing nut (11) is screwed onto the conductive rod (10).

4. The simulated load box according to claim 1, characterized in that: The tops of the vertical rods (4) are connected to the top of the box body (1), and the bottoms of the vertical rods (4) are connected to the bottom of the box body (1).

5. The simulated load box according to claim 1, characterized in that: A plurality of support plates (12) are provided between the two brackets (3), and the plurality of support plates (12) are arranged at equal intervals.

6. The simulated load box according to claim 1, characterized in that: The four sides of the box body (1) are all provided with isolation nets (13).

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