Current-adjustable generating device

Abstract

The utility model discloses a current adjustable generating device, relates to the field of ship electric power, and solves the technical problem that the existing current generating device does not have an input adjustable function. The device comprises a box body, a detection unit is installed in the box body, an installation structure is arranged on the box body, the detection unit comprises a voltage adjusting module, an ampere meter and a voltage reduction module, the power supply end of the voltage adjusting module is electrically connected with an external power supply, and the output end of the voltage adjusting module is electrically connected with the input end of a detected module. The output end of the detected module is electrically connected with the ammeter, and the ammeter is electrically connected with the voltage adjusting module through the voltage reduction module. According to the utility model, components can be detected when a fault occurs, so that a fault point can be quickly found for replacement and maintenance, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of ship power, and more specifically, to an adjustable current generating device. Background Art

[0002] In the ship power system, the ship power station main distribution board, shore power voltage stabilizer and other power equipment are equipped with current detection and current display systems. When the equipment is working, the actual large current signal of the cable needs to be converted through multiple components such as current transformers, acquisition conversion modules, and current display units before the ammeter or display panel can show the real cable current value. During the debugging of related equipment, there may be problems such as no display on the ammeter and no current display on the detection panel. Because the equipment involves multiple components, it is impossible to quickly and directly determine which component has failed, resulting in the current not being displayed normally. Since the power of power equipment such as the ship power station main distribution board and shore power voltage stabilizer is relatively large, it is necessary to cut off the power supply at the power supply end when testing the related circuits of the current transformer, acquisition conversion module, and current display unit, and then use the current generating device to test the circuit.

[0003] However, most of the existing current generating devices do not have an adjustable input function. The input voltages of different detected modules in the circuit may be different. Therefore, it is often necessary to equip multiple current generating devices with different outputs, which causes inconvenience in use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an adjustable current generating device in view of the deficiencies of the prior art, so as to solve the technical problem that the prior current generating device does not have an adjustable input function.

[0005] The utility model discloses an adjustable current generating device, which comprises a box body, a detection unit is installed in the box body, a mounting structure is provided on the box body, the detection unit comprises a voltage adjustment module, an ammeter and a step-down module, the power supply end of the voltage adjustment module is electrically connected to an external power supply, the output end of the voltage adjustment module is electrically connected to the input end of the detected module, the output end of the detected module is electrically connected to the ammeter, and the ammeter is electrically connected to the voltage adjustment module through the step-down module.

[0006] As a further improvement, the mounting structure includes a bottom plate, which is fixedly mounted on the back of the box body, and side plates are fixedly mounted on both sides of the bottom plate. The side plates are provided with a plurality of threaded holes, and the side plates are mounted on the hull by bolts screwed into the threaded holes.

[0007] Furthermore, an interference portion is provided at the bottom of the bolt, and a surface of the interference portion is arc-shaped.

[0008] Furthermore, the box body is provided with a toggle switch and two adjusting knobs, and the toggle switch and the two adjusting knobs are both connected to the voltage adjustment module.

[0009] Furthermore, the box body is provided with a square hole for placing the ammeter display interface.

[0010] Furthermore, the box body is provided with two power connection holes and two signal collection connection holes.

[0011] Furthermore, handles are fixedly mounted on both sides of the box body.

[0012] Beneficial Effects

[0013] The advantages of the utility model are:

[0014] 1. The utility model is provided with a detection unit, which connects the detection unit with the detected module to detect the detected module in case of failure, so as to quickly find the fault point for replacement and repair, thereby improving work efficiency. By setting a step-down module in the detection unit, the entire loop current will change smoothly when the input voltage is changed, and there will be no unstable phenomenon of the loop current fluctuating.

[0015] 2. The utility model is provided with a box body, a bottom plate and a side plate, which are installed on the hull by screwing on the threaded holes on the side plates, so that the current adjustable generating device can be detachably installed on the hull, thereby improving the flexibility and convenience of the device installation and reducing the risk of electric shock accidents caused by direct contact with the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the generating device of the utility model;

[0017] Figure 2 It is a top view of the generating device of the utility model;

[0018] Figure 3 This is the wiring diagram of the detection unit of the utility model.

[0019] Among them: 1-box body, 2-power wiring hole, 3-signal wiring hole, 4-bottom plate, 5-side plate, 6-threaded hole, 7-bolt, 8-slide switch, 9-adjustment knob, 10-square hole, 11-interference part, 12-detected module, 13-voltage adjustment module, 14-ammeter, 15-step-down module, 16-handle. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the embodiments, but does not constitute any limitation to the utility model. Any limited modifications made by anyone within the scope of the claims of the utility model are still within the scope of the claims of the utility model.

[0021] See also Figure 1-Figure 3 The utility model discloses an adjustable current generating device, which comprises a box body 1, a detection unit is installed in the box body 1, a mounting structure is provided on the box body 1, and the mounting structure comprises a bottom plate 4, the bottom plate 4 is fixedly installed on the back of the box body 1, side plates 5 are fixedly installed on both sides of the bottom plate 4, a plurality of threaded holes 6 are opened on the side plates 5, and the side plates 5 are mounted on the hull by a plurality of bolts 7 screwed into the threaded holes 6. The detection unit can realize the detection of cables. By installing and removing the bolts 7 screwed into the threaded holes 6, the purpose of detachably installing the box body 1 on the hull is achieved, which is very convenient for use in locations where long-term detection is required or it is inconvenient to place it on the ground, and at the same time reduces the risk of electric shock accidents caused by direct contact with the box body 1.

[0022] like Figure 2 As shown, the bottom of the bolt 7 is provided with an interference portion 11, and the surface of the interference portion 11 is arc-shaped, which facilitates the installation and fixation of the current adjustable device through the interference between the interference portion 11 and a fixed object on the hull, such as a railing or a column. The material of the interference portion 11 is silicone material, which prevents the bolt 7 from damaging the hull during the process of screwing the bolt 7.

[0023] like Figure 3 As shown, the detection unit includes a voltage adjustment module 13, an ammeter 14 and a voltage reduction module 15. The power supply end of the voltage adjustment module 13 is electrically connected to the external power supply, the output end of the voltage adjustment module 13 is electrically connected to the input end of the detected module 12, the output end of the detected module 12 is electrically connected to the ammeter 14, and the ammeter 14 is electrically connected to the voltage adjustment module 13 through the voltage reduction module 15. The voltage adjustment module 13 provides current to the detected module 12, and then the current flowing through the detected module 12 is displayed on the display interface of the ammeter 14. The staff directly determines whether the detected module 12 has a fault through the current reading on the display interface, resulting in the failure of the current to be displayed normally.

[0024] The step-down module 15 includes four resistors, and the rated power of the four resistors is 300W. By setting four parallel resistors, the entire loop current will change smoothly when the input voltage changes, and the loop current will not fluctuate and be unstable.

[0025] The external power supply of the voltage adjustment module 13 is normally an AC 220V power supply. When there is no AC 220V power supply on site, a quick plug-in 380V to 220V power supply module can be added, so that there is no power supply limitation. The voltage adjustment module 13 supplies power to the detection unit.

[0026] The box body 1 is provided with a toggle switch 8 and two adjusting knobs 9, which are both connected to the voltage adjustment module 13. The voltage adjustment module 13 is started by toggle switch 8, and the output current of the voltage adjustment module 13 is adjusted by the two adjusting knobs 9.

[0027] The box body 1 is provided with a square hole 10 for placing the display interface of the ammeter 14. The staff can determine which component has a fault and thus the current cannot be displayed normally by the current displayed by the ammeter 14. The range of the ammeter 14 is 0-5A.

[0028] The box body 1 is provided with two power connection holes 2 and two signal collection connection holes 3. The power connection holes 2 are used for connecting the voltage adjustment module 13 with an external power source, and the signal collection connection holes 3 are used for connecting the signal generator 12 with a cable.

[0029] Handles 16 are fixedly mounted on both sides of the box body 1, and the device can be easily moved by pulling the handles 16.

[0030] The voltage adjustment modules 13 in the present invention are all existing technologies, and the present invention does not improve them.

[0031] The working principle of the utility model is:

[0032] The input end of the detected module 12 is connected to the output end of the voltage adjustment module 13, and the output end of the detected module 12 is connected to the input end of the ammeter 14. Then, the toggle switch 8 is turned on to start the voltage adjustment module 13. The output current of the voltage adjustment module 13 is adjusted by twisting the adjustment knob 9. The output current of the voltage adjustment module 13 is output to the detected module 12, and the current flowing through the detected module 12 is input to the ammeter 14 for display. When the displayed current on the ammeter 14 is consistent with the output current of the voltage adjustment module 13, it indicates that the detected module 12 has no fault; when the displayed current value on the ammeter 14 is very small or even zero, it indicates that the detected module 12 has a fault and needs to be repaired or replaced.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A current adjustable generating device, characterized in that: It comprises a box body (1), a detection unit is installed in the box body (1), a mounting structure is provided on the box body (1), the detection unit comprises a voltage adjustment module (13), an ammeter (14) and a voltage reduction module (15), the power supply end of the voltage adjustment module (13) is electrically connected to an external power supply, the output end of the voltage adjustment module (13) is electrically connected to the input end of a detected module (12), the output end of the detected module (12) is electrically connected to the ammeter (14), and the ammeter (14) is electrically connected to the voltage adjustment module (13) through the voltage reduction module (15).

2. The adjustable current generating device according to claim 1, characterized in that: The mounting structure comprises a bottom plate (4), the bottom plate (4) being fixedly mounted on the back of the box body (1), side plates (5) being fixedly mounted on both sides of the bottom plate (4), a plurality of threaded holes (6) being formed on the side plates (5), and the side plates (5) being mounted on the hull by means of bolts (7) screwed into the threaded holes (6).

3. The adjustable current generating device according to claim 2, characterized in that: The bottom of the bolt (7) is provided with an interference portion (11), and the surface of the interference portion (11) is arc-shaped.

4. The adjustable current generating device according to claim 1, characterized in that: The box body (1) is provided with a toggle switch (8) and two adjusting knobs (9), and the toggle switch (8) and the two adjusting knobs (9) are both connected to a voltage adjustment module (13).

5. The adjustable current generating device according to claim 1, characterized in that: The box body (1) is provided with a square hole (10) for accommodating a display interface of an ammeter (14).

6. The adjustable current generating device according to claim 1, characterized in that: The box body (1) is provided with two power wiring holes (2) and two signal collection wiring holes (3).

7. The adjustable current generating device according to claim 1, characterized in that: Handles (16) are fixedly mounted on both sides of the box body (1).

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