Direct-current fault point searching instrument

Abstract

The utility model relates to the technical field of fault point searching instruments, and provides a DC fault point searching instrument, which comprises a shell, a main cavity and an auxiliary cavity, the main cavity and the auxiliary cavity are arranged in the shell, an analyzer main body is arranged in the main cavity, a detector main body is arranged in the auxiliary cavity, and a fixing assembly is arranged in the main cavity and the auxiliary cavity. The accessory containing assemblies are arranged on the two sides of the shell, the side grooves are formed in the surfaces of the two sides in the main cavity, pressing plates are inserted into the side grooves and attached to the surface of the analyzer body, and the pressing plates and the side grooves are fixedly connected through bolts. By means of the technical scheme, the problems that in the prior art, an existing direct-current grounding fault searching instrument is common in portability, is carried after being loaded in a large box, can be used only after being used every time through a large amount of operation, and is troublesome are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fault point finders, and in particular to a DC fault point finder. Background Art

[0002] The current DC ground fault finder includes an analyzer connected to the DC system during operation and a detection device for detecting the circuit under test, wherein the analyzer includes an analyzer housing, an analyzer display screen and analyzer control function keys arranged on the analyzer housing, an analyzer signal acquisition and analysis module, an analyzer display module, an analyzer wireless communication module and an analyzer alarm module arranged in the analyzer housing; the analyzer signal acquisition and analysis module collects the positive voltage to ground, the negative voltage to ground and the positive and negative voltages of the measured system, and displays them on the analyzer display module after calculation and processing; in addition to displaying the positive voltage to ground, the negative voltage to ground and the system voltage, the analyzer display module also displays the system balance bridge size and the system insulation impedance size information; the analyzer wireless communication module transmits the system voltage information and signal synchronization information to the detector by wireless means; the analyzer alarm module gives sound and light alarm information according to the analysis results; the detection device includes a detector and an openable and closable A current sensor, the detector includes a detector housing, a detector display screen and detector control function keys arranged on the detector housing, a detector signal acquisition and analysis module arranged in the detector housing, a detector display module, a detector wireless communication module and a detector alarm module. One end of the sensing wire of the openable current sensor extends into the detector housing and is fixedly connected to the detector. The detection end of the openable current sensor is provided with a feedback coil, and the inner side of the feedback coil is marked with a direction arrow from the outside to the inside. The feedback coil is used to increase the detection current range of the detector, and the direction arrow is used to determine the location of the fault point; the detector display module can display information such as the current size, insulation impedance size, branch status and insulation index of the measured circuit and the direction of the fault point; the detector wireless communication module is used to communicate with the analyzer and receive system information and synchronization information transmitted by the analyzer; the detector alarm module provides sound and light alarm information according to the analysis results of the detector signal acquisition and analysis module.

[0003] However, the current DC ground fault finders are generally not very portable and are usually loaded into a large box before being carried around. Each use requires a lot of operations before it can be started, which is rather troublesome and difficult to meet market demand. Utility Model Content

[0004] The utility model provides a DC fault point finder, which solves the problem that the current DC ground fault finders in the related art are generally not portable and need to be loaded into a large box before being carried around, and require a lot of operations before they can be used each time, which is quite troublesome.

[0005] The technical solution of the utility model is as follows:

[0006] a shell, a main cavity and a secondary cavity, wherein the main cavity and the secondary cavity are both provided in the shell;

[0007] an analyzer body and a detector body, wherein the analyzer body is placed in the main cavity and the detector body is placed in the secondary cavity;

[0008] a fixing assembly, the fixing assembly being arranged in the main cavity and the auxiliary cavity;

[0009] Accessory storage components, the accessory storage components are arranged on both sides of the shell;

[0010] The fixing assembly includes a pair of side grooves, which are opened on both side surfaces of the main cavity. A pressure plate is inserted into the side groove, and the pressure plate is attached to the surface of the analyzer body. The pressure plate and the side groove are fixedly connected by bolts.

[0011] As a further technical solution, several telescopic rods are fixed in the auxiliary cavity, and the telescopic rods are located at four relative corners of the inner surface of the auxiliary cavity. The output ends of the telescopic rods are connected to horizontal plates, and the horizontal plates are supported on the bottom surface of the detector body.

[0012] As a further technical solution, a pair of vertical plates are provided on both sides of the inner surface of the secondary cavity, a ferrule is provided on the top of the vertical plate, the ferrule is tightly sleeved on both sides of the detector body, a connecting rod is provided between the ferrules, and a shoulder strap is installed on the outer surface of the shell.

[0013] As a further technical solution, the accessory storage assembly includes an outer groove, which is opened on the side end face of the outer shell. A storage box is rotatably connected to the outer groove through a pin shaft. An inner column is provided in the storage box, and a detection head is mounted on the inner column.

[0014] As a further technical solution, a pair of docking grooves are provided at the bottom of the shell, and an insertion plate is provided at the bottom of the side end surface of the storage box. The insertion plate can be inserted and connected in the docking grooves, and the docking grooves and the insertion plate are fixed by magnetic adsorption.

[0015] As a further technical solution, a closing component is also included, which is arranged on the surface of the shell. The closing component includes a pair of slots, which are opened on the top and bottom of the shell. The shell surface is covered with a connection cover.

[0016] As a further technical solution, a plug-in rack is provided on the upper end of the connection cover surface, and the plug-in rack is inserted into the card slot at the top of the shell. A card rack is provided on the bottom of the connection cover surface, and the card rack is inserted into the card slot at the bottom of the shell.

[0017] As a further technical solution, the upper end surface of the ferrule is an inclined transition structure.

[0018] As a further technical solution, a pair of circular openings are opened on the top of the shell, and cooling fans are installed in the circular openings.

[0019] As a further technical solution, the telescopic rod adopts an elastic telescopic structure with a built-in spring.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] The utility model is provided with a fixing assembly. Through the interaction of structures such as side grooves, pressure plates, telescopic rods, vertical plates, ferrules and shoulder straps, the analyzer body and the detector body can be respectively installed in the main cavity and the sub-cavity of the shell. The analyzer body does not need to be taken out when in use, and the detector body can be directly popped out, which is easy to operate and use. In addition, a shoulder strap is installed, which has better portability and is convenient to carry and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0023] Figure 1 This is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is the axonometric drawing of the utility model;

[0025] Figure 3 This is an axonometric drawing from another perspective of the present invention;

[0026] Figure 4 This is an axonometric sectional view of the utility model;

[0027] In the figure: 1. Shell; 2. Main cavity; 3. Auxiliary cavity; 4. Analyzer body; 5. Detector body; 6. Fixing assembly; 6-1. Side groove; 6-2. Pressure plate; 6-3. Telescopic rod; 6-4. Horizontal plate; 6-5. Vertical plate; 6-6. Card sleeve; 6-7. Connecting rod; 6-8. Shoulder strap; 7. Accessory storage assembly; 7-1. Outer groove; 7-2. Storage box; 7-3. Inner column; 7-4. Detection head; 7-5. Docking groove; 7-6. Insert plate; 8. Closing assembly; 8-1. Card slot; 8-2. Connection cover; 8-3. Insert rack; 8-4. Card rack; 9. Circular opening; 10. Cooling fan. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0029] like Figures 1 to 4 As shown, this embodiment proposes a DC fault point finder, including

[0030] The shell 1, the main cavity 2 and the auxiliary cavity 3 are both provided in the shell 1;

[0031] An analyzer body 4 and a detector body 5, wherein the analyzer body 4 is placed in the main cavity 2 and the detector body 5 is placed in the secondary cavity 3;

[0032] The fixing assembly 6 is arranged in the main cavity 2 and the auxiliary cavity 3;

[0033] Accessory storage components 7, which are arranged on both sides of the housing 1;

[0034] The fixing assembly 6 includes a pair of side grooves 6-1, which are opened on both side surfaces of the main cavity 2. A pressure plate 6-2 is inserted in the side groove 6-1, and the pressure plate 6-2 is attached to the surface of the analyzer body 4. The pressure plate 6-2 and the side groove 6-1 are fixed together by bolts. Several telescopic rods 6-3 are fixed in the auxiliary cavity 3. The telescopic rods 6-3 are located at the four relative corners of the inner surface of the auxiliary cavity 3. The output end of the telescopic rod 6-3 is connected to a horizontal plate 6-4, and the horizontal plate 6-4 is supported on the bottom surface of the detector body 5. A pair of vertical plates 6-5 are provided on both sides of the inner surface of the auxiliary cavity 3. A ferrule 6-6 is provided on the top of the vertical plate 6-5. The ferrule 6-6 is tightly fitted on both sides of the detector body 5. A connecting rod 6-7 is provided between the ferrules 6-6, and a shoulder strap 6-8 is installed on the outer surface of the shell 1.

[0035] In this embodiment, in order to achieve the effect of firmly fixing the analyzer body 4 and the detector body 5 in the housing 1 and making it easy to carry, a fixing component 6 is designed. Side grooves 6-1 are provided on both sides of the main cavity 2. The analyzer body 4 is placed in the main cavity 2. A pressure plate 6-2 is inserted into the side groove 6-1 and pressed against the surface of the analyzer body 4. Bolts can be screwed in to fix it. Telescopic rods 6-3 are provided at the four corners of the bottom surface of the auxiliary cavity 3. A horizontal plate 6-4 is provided at the output end of the telescopic rod 6-3. The horizontal plate 6-4 is supported on the detector body Two vertical plates 6-5 are provided on both sides of the inner surface of the sub-cavity 3 and the upper ends of the vertical plates 6-5 are provided with sleeves 6-6. The sleeves 6-6 can be put on the surface of the detector body 5 and cooperate with the telescopic rod 6-3 to fix the detector body 5 therebetween. A connecting rod 6-7 is connected between the sleeves 6-6. The connecting rod 6-7 can be pushed to open the sleeve 6-6 to facilitate the removal of the detector body 5 for use. A shoulder strap 6-8 is connected to the outer shell 1, and the entire device can be carried on the shoulder through the shoulder strap 6-8 for easy carrying.

[0036] Furthermore, the accessory storage assembly 7 includes an outer groove 7-1, which is opened on the side end face of the outer shell 1. A storage box 7-2 is rotatably connected to the outer groove 7-1 through a pin shaft. An inner column 7-3 is provided in the storage box 7-2, and a detection head 7-4 is mounted on the inner column 7-3. A pair of docking grooves 7-5 are opened at the bottom of the outer shell 1, and an insertion plate 7-6 is provided at the bottom of the side end face of the storage box 7-2. The insertion plate 7-6 can be inserted and connected in the docking groove 7-5, and the docking groove 7-5 and the insertion plate 7-6 are fixed by magnetic adsorption.

[0037] In this embodiment, in order to achieve the effect of convenient storage and removal of accessories, an accessory storage component 7 is designed, and outer grooves 7-1 are provided on both sides of the outer shell 1. A storage box 7-2 is connected to the outer groove 7-1. After the storage box 7-2 is closed, it can fit tightly with the outer shell 1, and a docking groove 7-5 is provided at the bottom of the outer shell 1. An insertion plate 7-6 is provided at the bottom of the storage box 7-2. When the storage box 7-2 is closed, the insertion plate 7-6 can be inserted into the docking groove 7-5 and fixed by magnetic adsorption. An inner column 7-3 is provided in the storage box 7-2, and a detection head 7-4 is clamped on the inner column 7-3 and can be fixed inside. Various connecting lines can be placed in the other storage box 7-2.

[0038] Furthermore, it also includes a closing component 8, which is arranged on the surface of the shell 1. The closing component 8 includes a pair of card slots 8-1, and the card slots 8-1 are opened at the top and bottom of the shell 1. The surface of the shell 1 is covered with a connecting cover 8-2, and the upper end of the surface of the connecting cover 8-2 is provided with a plug-in rack 8-3, and the plug-in rack 8-3 is inserted into the card slot 8-1 at the top of the shell 1. The bottom of the surface of the connecting cover 8-2 is provided with a card rack 8-4, and the card rack 8-4 is inserted into the card slot 8-1 at the bottom of the shell 1.

[0039] In this embodiment, in order to achieve the effect of sealing the shell 1, a closing component 8 is designed, with card slots 8-1 provided at the top and bottom of the shell 1, a connecting cover 8-2 covered on the front, a plug-in bracket 8-3 provided on the top of the connecting rod 6-7, and a card bracket 8-4 provided on the bottom. When installing the connecting cover 8-2, first insert the plug-in bracket 8-3, then press the bottom of the connecting rod 6-7, and slide the card bracket 8-4 into the card slot 8-1 at the bottom.

[0040] Furthermore, the upper end surface of the ferrule 6-6 is an inclined transition structure.

[0041] In this embodiment, due to the excessively inclined surface structure, when the detector body 5 is placed, the ferrule 6 - 6 can be slid in through the inclined surface and pushed to both sides to open.

[0042] Furthermore, a pair of circular openings 9 are opened on the top of the housing 1 , and cooling fans 10 are installed in the circular openings 9 .

[0043] In this embodiment, a circular opening 9 is provided on the top of the housing 1 and a cooling fan 10 is installed, so that the main cavity 2 can be continuously cooled by the cooling fan 10, and the analyzer body 4 can assist in cooling during operation.

[0044] Furthermore, the telescopic rod 6-3 adopts an elastic telescopic structure with a built-in spring.

[0045] In this embodiment, the telescopic rod 6 - 3 is supported at the bottom of the detector body 5 by the elastic force of the built-in spring, forming a fixing effect with the clamping sleeve 6 - 6 .

[0046] When it is needed, put the analyzer body 4 into the main cavity 2, and insert the pressure plate 6-2 into the side groove 6-1 and fix it with bolts. Put the detector body 5 between the ferrules 6-6 on both sides and press it down. After insertion, the back side is attached to the surface of the horizontal plate 6-4, and the telescopic rod 6-3 is squeezed and contracted until the ferrule 6-6 is stuck on the front of the detector body 5 to complete the fixation. The detection head 7-4 is clamped on the column of the storage box 7-2, and the connecting line is placed in another storage box 7-2. Finally, the connecting cover is closed. 8-2 is inserted into the top card slot 8-1 through the insertion bracket 8-3, and then the bottom is pressed to insert the card bracket 8-4 into the bottom card slot 8-1. When carrying, it is carried on the shoulder through the shoulder strap 6-8. When in use, open the connection cover 8-2, take out the detector body 5, push the connecting rod 6-7 to both sides when taking it out, open the card sleeve 6-6, and after opening, the telescopic rod 6-3 pops out the detector body 5 through elastic force, and opens the storage box 7-2 to both sides, takes out the connecting line and the detection head 7-4 to operate.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A DC fault point finder, characterized in that: include A shell (1), a main cavity (2) and a secondary cavity (3), wherein the main cavity (2) and the secondary cavity (3) are both opened in the shell (1); an analyzer body (4) and a detector body (5), wherein the analyzer body (4) is placed in the main cavity (2) and the detector body (5) is placed in the secondary cavity (3); A fixing assembly (6), the fixing assembly (6) being arranged in the main cavity (2) and the auxiliary cavity (3); An accessory storage assembly (7), the accessory storage assembly (7) being arranged on both sides of the housing (1); The fixing assembly (6) includes a pair of side grooves (6-1), the side grooves (6-1) are opened on the inner surface of the main cavity (2), a pressure plate (6-2) is inserted into the side grooves (6-1), the pressure plate (6-2) is attached to the surface of the analyzer body (4), and the pressure plate (6-2) and the side grooves (6-1) are fixedly connected by bolts.

2. A DC fault point finder according to claim 1, characterized in that: A plurality of telescopic rods (6-3) are fixed in the auxiliary cavity (3), the telescopic rods (6-3) being located at four relative corners of the inner surface of the auxiliary cavity (3), the output ends of the telescopic rods (6-3) being connected to a transverse plate (6-4), and the transverse plate (6-4) being supported on the bottom surface of the detector body (5).

3. A DC fault point finder according to claim 2, characterized in that: A pair of vertical plates (6-5) are provided on both sides of the inner surface of the auxiliary cavity (3), a clamping sleeve (6-6) is provided on the top of the vertical plate (6-5), the clamping sleeve (6-6) is tightly sleeved on both sides of the detector body (5), a connecting rod (6-7) is provided between the clamping sleeves (6-6), and a shoulder strap (6-8) is installed on the outer surface of the housing (1).

4. A DC fault point finder according to claim 1, characterized in that: The accessory storage assembly (7) comprises an outer groove (7-1), the outer groove (7-1) being opened on the side end surface of the outer shell (1), a storage box (7-2) being rotatably connected in the outer groove (7-1) via a pin shaft, an inner column (7-3) being provided in the storage box (7-2), and a detection head (7-4) being mounted on the inner column (7-3).

5. A DC fault point finder according to claim 4, characterized in that: A pair of docking grooves (7-5) are provided at the bottom of the housing (1), and an inserting plate (7-6) is provided at the bottom of the side end surface of the storage box (7-2). The inserting plate (7-6) can be plugged and connected in the docking grooves (7-5), and the docking grooves (7-5) and the inserting plate (7-6) are fixed by magnetic adsorption.

6. A DC fault point finder according to claim 1, characterized in that: The invention also includes a closing component (8), which is arranged on the surface of the shell (1). The closing component (8) includes a pair of card slots (8-1), and the card slots (8-1) are opened on the top and bottom of the shell (1). The surface of the shell (1) is covered with a connection cover (8-2).

7. A DC fault point finder according to claim 6, characterized in that: A plug-in rack (8-3) is provided on the upper surface of the connection cover (8-2), and the plug-in rack (8-3) is inserted into the card slot (8-1) at the top of the shell (1); a card rack (8-4) is provided on the bottom surface of the connection cover (8-2), and the card rack (8-4) is inserted into the card slot (8-1) at the bottom of the shell (1).

8. A DC fault point finder according to claim 3, characterized in that: The upper end surface of the ferrule (6-6) is an inclined transition structure.

9. A DC fault point finder according to claim 1, characterized in that: A pair of circular openings (9) are opened on the top of the housing (1), and a cooling fan (10) is installed in the circular openings (9).

10. A DC fault point finder according to claim 2, characterized in that: The telescopic rod (6-3) adopts an elastic telescopic structure with a built-in spring.

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