Power supply for power supply screen module detection

Abstract

The utility model discloses a power supply for detecting a power supply screen module, and relates to the technical field of electrical testing. The device structurally comprises an iron core, a fixed upper seat, a fixed lower seat, a first supporting column, a second supporting column, a conductive sleeve, a sliding wire seat, a manual control conductive needle, a primary coil and a secondary coil, wherein the primary coil and the secondary coil are wound on the iron core; and the upper end and the lower end of the iron core are respectively inserted into the fixed upper seat and the fixed lower seat. According to the utility model, by manually adjusting the position of the manual control conductive needle, unstable and irregular voltage output within the range of + / -50% of the primary coil can be realized so as to test the performance of the power supply screen module under the limiting condition; secondly, the design of a plurality of wiring piles and wiring bars on the fixed upper seat meets the rapid wiring requirement during testing, and the testing efficiency is improved; in addition, a protective cover is arranged to protect the fixed upper seat after wiring, accidental touch or short circuit is prevented, and the safety is improved. The device has high practicability and can also be used for other occasions needing similar functions.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical testing, in particular to a power supply for detecting a power panel module. Background Art

[0002] With the continuous advancement of railway signaling technology, the stability and reliability of power supply modules, as key power supply equipment in railway systems, are crucial to the normal operation of the entire railway system. Power supply modules are responsible for converting AC power into stable DC power to supply railway signaling equipment, ensuring its proper function. Therefore, rigorous testing and maintenance of power supply modules are crucial to ensuring safe railway operations.

[0003] Currently, testing power supply modules typically requires simulating different voltage conditions to test their performance and stability. Traditional testing methods often rely on complex electrical equipment and cumbersome procedures, which not only increases the difficulty and cost of testing, but also makes it difficult to quickly and accurately assess the performance of power supply modules under extreme conditions.

[0004] In order to improve detection efficiency and accuracy, the utility model proposes a design of a power supply for power panel module detection. Utility Model Content

[0005] The purpose of the utility model is to provide a power supply for power panel module detection, which realizes the output of non-steady-state voltage through the combination of iron core, fixed upper seat, fixed lower seat, conductive sleeve, sliding wire seat, manual conductive needle, etc.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a power supply for power panel module detection, comprising an iron core, a fixed upper seat, a fixed lower seat, a first support column, a second support column, a conductive sleeve, a sliding wire seat, a manually controlled conductive needle, and a primary coil and a secondary coil wound on the iron core; the upper end and the lower end of the iron core are respectively inserted into the fixed upper seat and the fixed lower seat; the first support column and the second support column are both placed between the fixed upper seat and the fixed lower seat, and the fixed upper seat, the fixed lower seat, the first support column and the second support column are connected as a whole by four bolts and nuts; the first support column is placed on one side of the primary coil; the second support column is placed on one side of the second support column; a rectangular groove for installing the conductive sleeve is provided at the upper end of the second support column; a vertically arranged guide through hole is provided on the side of the second support column relative to the secondary coil; the sliding wire seat is vertically slidably matched with the conductive sleeve and the guide through hole; the manually controlled conductive needle is threadedly installed on the sliding wire seat, and the inner end of the manually controlled conductive needle is electrically conductive with the secondary coil.

[0008] As an optimal technical solution of the present invention, the fixed upper seat includes a first rectangular block; a first rectangular notch is respectively provided on the upper half of the four corners of the first rectangular block; a first circular through hole for passing the bolt in the bolt and nut is provided on the bottom surface of the first rectangular notch; a first clamping notch for positioning the upper end of the iron core is provided in the middle of the lower surface of the first rectangular block; a handle is fixed in the middle of the top surface of the first rectangular block; a first wiring post and a second wiring post are embedded and fixed at one end of the first rectangular block located above the primary coil; the first wiring post and the second wiring post are respectively connected to the two ends of the primary coil through wires; the first wiring block and the second wiring post are respectively embedded and installed on both sides of the handle on the upper surface of the first rectangular block; the first wiring post and the second wiring post are connected to the conductive sleeve through a wire.

[0009] As an optimal technical solution of the present invention, the fixed lower seat includes a second rectangular block; a second rectangular notch is respectively provided in the lower half of the four corners of the second rectangular block; a second circular through hole is provided on the top surface of the second rectangular notch for passing the bolt in the bolt and nut; a second clamping notch is provided in the middle of the top surface of the second rectangular block for positioning the upper end of the iron core.

[0010] As an optimal technical solution of the present invention, the conductive sleeve includes a rectangular conductive frame installed in the rectangular groove; a conductive column is fixed on the upper end face of the rectangular conductive frame; a nut is threadedly connected to the upper end of the conductive column; and the first rectangular block is provided with a third circular through hole for passing the conductive column.

[0011] As an optimal technical solution of the present invention, the sliding wire seat is a rectangular copper block that vertically slides with the guide through hole; two elastic conductive cylinders are fixed on both sides of the rectangular copper block, and the elastic conductive cylinders are elastically abutted against the inner wall of the rectangular conductive frame; a threaded through hole is provided on the rectangular copper block for threaded connection with the manual conductive needle.

[0012] As a preferred technical solution of the present utility model, the manual conductive needle includes a conductive threaded column threadedly connected to the threaded through hole; the inner end of the conductive threaded column is fixed with a power supply rod electrically connected to the secondary coil; the outer end of the conductive threaded column is fixed with a threaded joint rod; the threaded joint rod is threadedly connected with an insulating ball handle, and a protective circular ring plate is fixed to the end of the insulating ball handle close to the conductive threaded column.

[0013] As a preferred technical solution of the present invention, it further includes a protective cover; the protective cover is installed on the fixed upper seat, and a rectangular through hole for the handle to pass through is opened in the middle of the protective cover.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model provides multiple functions to meet the needs of practical applications. First, by manually adjusting the position of the hand-controlled conductive needle, an unstable and irregular voltage output within the range of ±50% of the primary coil can be achieved to test the performance of the power screen module under extreme conditions. Secondly, the multiple wiring piles and wiring strips on the fixed upper seat meet the needs of fast wiring during testing and improve test efficiency. In addition, the setting of the protective cover protects the fixed upper seat after wiring to prevent accidental touch or short circuit, thereby improving safety.

[0016] 2. This utility model achieves flexible operation of the manual conductive needle through the innovative configuration of the conductive sleeve and sliding conductor holder. The vertical sliding cooperation of the rectangular groove and the guide hole allows for easy movement of the manual conductive needle, thereby adjusting the output voltage. This design allows testers to quickly adjust the voltage as needed to meet the needs of different testing scenarios.

[0017] 3. The split-body design of this utility model makes the entire device more stable and reliable. The combination of the fixed upper base, fixed lower base, first support column, and second support column forms a sturdy framework, ensuring that the core and other components are not easily displaced or damaged during operation. This structural design also facilitates assembly and maintenance, improving the maintainability and service life of the device.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the power supply for power panel module detection of the utility model;

[0021] Figure 2 for Figure 1 A top view of

[0022] Figure 3 for Figure 2 Cross-sectional view at AA in the middle;

[0023] Figure 4 A schematic diagram of the structure for fixing the upper seat;

[0024] Figure 5 This is a structural diagram of another perspective of fixing the upper seat;

[0025] Figure 6 A schematic diagram of the structure for fixing the lower seat;

[0026] Figure 7 is a structural schematic diagram of the first support column;

[0027] Figure 8 is a schematic structural diagram of the second support column;

[0028] Figure 9 Schematic diagram of the structure of the conductive sleeve;

[0029] Figure 10 It is a structural diagram of the sliding wire seat;

[0030] Figure 11 Schematic diagram of the structure of the hand-controlled conductive needle.

[0031] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0032] 1- iron core, 2- fixed upper seat, 3- fixed lower seat, 4- first support column, 5- second support column, 6- conductive sleeve, 7- sliding wire seat, 8- manual conductive needle, 9- primary coil, 10- secondary coil, 11- bolt and nut, 21- first rectangular block, 22- first rectangular notch, 23- first round through hole, 24- first clamping notch, 25- handle, 26- first terminal post, 27- second terminal post, 28- first terminal block, 29- second terminal Wire row, 210-third circular through hole, 31-second rectangular block, 32-second rectangular notch, 33-second circular through hole, 34-second snap-on notch, 51-rectangular groove, 52-guide through hole, 61-rectangular conductive frame, 62-conductive column, 63-nut, 71-rectangular copper block, 72-elastic conductive cylinder, 73-threaded through hole, 81-conductive threaded column, 82-power supply rod, 83-threaded joint rod, 84-insulating ball handle, 85-protective circular ring plate. DETAILED DESCRIPTION

[0033] The following will be combined with the accompanying drawings in 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. Specific embodiment one:

[0035] See also Figure 1-11As shown, the present invention is a power supply for testing power supply screen modules, comprising an iron core 1, a fixed upper base 2, a fixed lower base 3, a first support column 4, a second support column 5, a conductive sleeve 6, a sliding wire holder 7, a manually controlled conductive needle 8, and a primary coil 9 and a secondary coil 10 wound around the iron core 1. The upper and lower ends of the iron core 1 are respectively inserted into the fixed upper base 2 and the fixed lower base 3. The first support column 4 and the second support column 5 are both positioned between the fixed upper base 2 and the fixed lower base 3, and the fixed upper base 2, the fixed lower base 3, the first support column 4, and the second support column 5 are integrally connected by four bolts and nuts 11. The first support column 4 is positioned on one side of the primary coil 9. The second support column 5 is positioned on one side of the second support column 5. A rectangular groove 51 is defined at the upper end of the second support column 5 for mounting the conductive sleeve 6. A vertical guide hole 52 is defined on the side of the second support column 5 opposite the secondary coil 10. The sliding wire holder 7 vertically slides with the conductive sleeve 6 and the guide hole 52. The manual conductive needle 8 is threadedly mounted on the sliding wire holder 7, and the inner end of the manual conductive needle 8 is electrically connected to the secondary coil 10. The voltage between the manual conductive needle 8 and the lower end of the secondary coil 10 is ±50% of the voltage of the primary coil 9. That is, when the manual conductive needle 8 is moved to the uppermost position of the guide hole 52, the voltage between the manual conductive needle 8 and the lower end of the secondary coil 10 is 150% of the input voltage of the primary coil 9. When the manual conductive needle 8 is moved to the lowermost position of the guide hole 52, the voltage between the manual conductive needle 8 and the lower end of the secondary coil 10 is 50% of the input voltage of the primary coil 9.

[0036] The iron core 1 is stably and reliably installed in a frame composed of a fixed upper base 2, a fixed lower base 3, a first support column 4 and a second support column 5, and the split structure is easy to assemble and maintain.

[0037] The fixed upper seat 2 includes a first rectangular block 21. A first rectangular notch 22 is provided in the upper half of each of the four corners of the first rectangular block 21. A first circular through hole 23 is provided on the bottom surface of the first rectangular notch 22 for inserting the bolt in the bolt nut 11. A first clamping notch 24 is provided in the middle of the lower surface of the first rectangular block 21 for positioning the upper end of the iron core 1. A handle 25 is fixed to the middle of the top surface of the first rectangular block 21. A first terminal post 26 and a second terminal post 27 are embedded and fixed at one end of the first rectangular block 21 above the primary coil 9. The first terminal post 26 and the second terminal post 27 are respectively connected to the two ends of the primary coil 9 through wires. A first terminal block 28 and a second terminal block 29 are respectively embedded and installed on the upper surface of the first rectangular block 21 on both sides of the handle 25. The first terminal block 28 is connected to the secondary coil 10 through a wire. The second terminal block 29 is connected to the conductive sleeve 6 through a wire. The fixed upper base 2 is equipped with a first terminal post 26, a second terminal post 27, a first terminal block 28, and a second terminal block 29 for easy connection. The first terminal block 28 and the second terminal block 29 can simultaneously connect to multiple electrical devices in the power supply panel, meeting the need for quick connection during testing. The handle 25 provided on the upper end of the fixed upper base 2 facilitates the movement of the entire power supply for easy use.

[0038] When testing the power panel module, the first terminal post 26 and the second terminal post 27 of the present design are respectively connected to the output end of the voltage regulator through wires to obtain a stable standard voltage, and the electrical equipment in the power panel module are respectively connected to the first terminal block 28 and the second terminal block 29 through wires to obtain power. After the test is started, the manual conductive needle 8 is quickly moved up and down manually to provide an unstable and irregular voltage to the electrical equipment in the power panel module, so as to test whether the output voltage and current of the electrical equipment in the power panel module are stable under the extreme irregularly changing voltage, and to perform a non-steady-state voltage durability test within a certain range. According to the above-mentioned regulation, the lower and upper limits of the voltage of the electrical equipment in the power panel module at the time of failure can be obtained at the same time, which can facilitate the testing of various aspects of the performance of the power panel module.

[0039] The fixed lower seat 3 includes a second rectangular block 31. A second rectangular notch 32 is provided at each of the four corners of the second rectangular block 31. The top surface of each second rectangular notch 32 defines a second circular through-hole 33 for receiving the bolts and nuts 11. A second engaging notch 34 is provided in the middle of the top surface of the second rectangular block 31 for positioning the upper end of the core 1.

[0040] The conductive sleeve 6 includes a rectangular conductive frame 61 mounted within the rectangular groove 51. A conductive post 62 is fixed to the upper end of the rectangular conductive frame 61. A nut 63 is threadedly connected to the upper end of the conductive post 62. The first rectangular block 21 defines a third circular through hole 210 for receiving the conductive post 62.

[0041] The sliding wire holder 7 is a rectangular copper block 71 that slides vertically with the guide hole 52. Two elastic conductive cylinders 72 are fixed to either side of the rectangular copper block 71, elastically contacting the inner wall of the rectangular conductive frame 61. A threaded hole 73 is formed in the rectangular copper block 71, which is threadedly connected to the manual conductive pin 8.

[0042] The manual conductive needle 8 includes a conductive threaded post 81 threadedly connected to the threaded through-hole 73. A power supply rod 82, which is electrically connected to the secondary coil 10, is secured to the inner end of the conductive threaded post 81. A threaded connector rod 83 is secured to the outer end of the conductive threaded post 81. An insulating ball handle 84 is threadedly connected to the connector rod 83, and a protective ring plate 85 is secured to the end of the insulating ball handle 84 near the conductive threaded post 81.

[0043] The conductive sleeve 6, the sliding wire seat 7 and the manually controlled conductive needle 8 installed on the second support column 5 form a device that can quickly and manually change the output voltage, which is convenient and reliable to adjust during testing.

[0044] Wherein in order to protect the fixed upper seat 2 after the connection, a protective cover is also provided. The protective cover is installed on the fixed upper seat 2, and a rectangular through hole for the handle 25 to pass through is provided in the middle part of the protective cover.

[0045] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A power supply for power screen module detection, characterized by: It comprises an iron core (1), a fixed upper seat (2), a fixed lower seat (3), a first support column (4), a second support column (5), a conductive sleeve (6), a sliding wire seat (7), a hand-controlled conductive needle (8), and a primary coil (9) and a secondary coil (10) wound on the iron core (1); The upper end and the lower end of the iron core (1) are respectively inserted into the fixed upper seat (2) and the fixed lower seat (3); the first support column (4) and the second support column (5) are both placed between the fixed upper seat (2) and the fixed lower seat (3), and the fixed upper seat (2), the fixed lower seat (3), the first support column (4) and the second support column (5) are connected as a whole through four bolts and nuts (11); the first support column (4) is placed on one side of the primary coil (9); the second support column (5) is placed on one side of the second support column (5); The upper end of the second support column (5) is provided with a rectangular groove (51) for mounting the conductive sleeve (6); the second support column (5) is provided with a vertically arranged guide hole (52) on the side relative to the secondary coil (10); the sliding wire seat (7) is vertically slidably matched with the conductive sleeve (6) and the guide hole (52); the manual conductive needle (8) is threadedly installed on the sliding wire seat (7), and the inner end of the manual conductive needle (8) is electrically conductive with the secondary coil (10).

2. The power supply for power panel module detection according to claim 1, characterized in that: The fixed upper seat (2) includes a first rectangular block (21); a first rectangular notch (22) is provided on the upper half of each of the four corners of the first rectangular block (21); a first round through hole (23) is provided on the bottom surface of the first rectangular notch (22) for passing the bolt in the bolt nut (11); a first clamping notch (24) is provided in the middle of the lower surface of the first rectangular block (21) for positioning the upper end of the iron core (1); a handle (25) is fixed in the middle of the top surface of the first rectangular block (21); the first rectangular block (21) is located on the primary coil (9) A first terminal post (26) and a second terminal post (27) are embedded and fixed at one end above; the first terminal post (26) and the second terminal post (27) are respectively connected to the two ends of the primary coil (9) through wires; the upper surface of the first rectangular block (21) is located on both sides of the handle (25) and is respectively embedded with a first terminal block (28) and a second terminal block (29); the first terminal block (28) is connected to the secondary coil (10) through a wire; the second terminal block (29) is connected to the conductive sleeve (6) through a wire.

3. The power supply for detecting the power screen module according to claim 1, characterized in that: The fixed lower seat (3) comprises a second rectangular block (31); a second rectangular notch (32) is respectively provided at the lower half of each of the four corners of the second rectangular block (31); a second round through hole (33) for passing the bolt in the bolt nut (11) is provided on the top surface of the second rectangular notch (32); and a second clamping notch (34) for positioning the upper end of the iron core (1) is provided in the middle of the top surface of the second rectangular block (31).

4. The power supply for detecting the power screen module according to claim 2, characterized in that: The conductive sleeve (6) comprises a rectangular conductive frame (61) mounted in the rectangular groove (51); a conductive column (62) is fixed to the upper end surface of the rectangular conductive frame (61); a nut (63) is threadedly connected to the upper end of the conductive column (62); and the first rectangular block (21) is provided with a third round through hole (210) for passing the conductive column (62).

5. The power supply for detecting the power panel module according to claim 4, characterized in that: The sliding wire seat (7) is a rectangular copper block (71) that vertically slides with the guide through hole (52); two elastic conductive cylinders (72) are fixed on both sides of the rectangular copper block (71), and the elastic conductive cylinders (72) are elastically abutted against the inner wall of the rectangular conductive frame (61); and a threaded through hole (73) is provided on the rectangular copper block (71) for threaded connection with the manual conductive needle (8).

6. The power supply for detecting the power panel module according to claim 5, characterized in that: The manual conductive needle (8) includes a conductive threaded column (81) threadedly connected to the threaded through hole (73); a power supply rod (82) electrically connected to the secondary coil (10) is fixed to the inner end of the conductive threaded column (81); a threaded joint rod (83) is fixed to the outer end of the conductive threaded column (81); an insulating ball handle (84) is threadedly connected to the threaded joint rod (83), and a protective annular plate (85) is fixed to one end of the insulating ball handle (84) close to the conductive threaded column (81).

7. The power supply for detecting the power screen module according to claim 2, characterized in that: It also includes a protective cover; the protective cover is mounted on the fixed upper seat (2), and a rectangular through hole for the handle (25) to pass through is opened in the middle of the protective cover.

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