Multifunctional signal fault tester

Abstract

The utility model discloses a multifunctional signal fault tester, which comprises a five-position four-gear change-over switch and a three-gear self-locking knob switch, a first gear switch of the five-position four-gear change-over switch is electrically connected with an alternating current and direct current buzzer, the alternating current and direct current buzzer is connected with a direct current power supply in series and is electrically connected with a second gear switch of the five-position four-gear change-over switch, and the three-gear self-locking knob switch is electrically connected with the three-gear self-locking knob switch. The direct-current power supply is connected with the direct-current buzzer in series and is electrically connected with a third gear switch of the five-position four-gear change-over switch; a fourth gear switch of the five-position four-gear change-over switch is electrically connected with the digital display type direct-current voltmeter; the digital display type AC voltmeter is electrically connected with a left-hand gear switch of the three-gear self-locking knob switch after being connected in parallel with the AC incandescent lamp; the digital display type AC voltmeter is electrically connected with a right-hand gear switch of the three-gear self-locking knob switch after being connected in parallel with the AC buzzer; the railway fault tester has the advantages that railway fault points can be quickly found out to quickly process faults, railway fault testing is safe and convenient, multiple functions are integrated, carrying is convenient, and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of railway fault testing, in particular to a multifunctional signal fault tester. Background Technique

[0002] Signal equipment is the main equipment of railway yard equipment. It includes a large category: signal lights and their control equipment for controlling the color of the lights, which are used to issue light instructions to railway drivers and relevant personnel, whether to stop, slow down or drive normally. This is similar to the traffic lights at intersections in cities that direct the passage and prohibition of pedestrians. Another category is the switch conversion equipment. The switch conversion equipment is a special railway equipment, which is the general term for the circuits and mechanical equipment that control the locomotive to turn from one track to another.

[0003] Both of these two types of equipment are manually operated by railway traffic staff in the operation room, so that the supporting facilities in the electric machinery room are interlocked and controlled. The main line signal cable is branched at a specific position and connected to the corresponding equipment according to different requirements respectively, achieving the purpose of control; the control method of railway equipment is specifically: manual operation console - mechanical room interlocking and control equipment - branching cable box - terminal cable box - signal terminal equipment. Since there are many wires, cables and equipment involved in railway faults, if the existing single-function measuring instruments are used, there are problems such as inconvenient railway fault testing, inconvenient carrying, and inability to quickly judge the railway equipment fault points. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects, provide a multifunctional signal fault tester, which can quickly judge whether it is a railway equipment fault or an equipment circuit fault, quickly find out the fault point and then quickly process the fault, has a simple structure, integrates multiple functions, is convenient to carry, uses reasonable measuring devices, is widely applicable to railway fault testing, and is safe and convenient for railway fault testing, and can effectively solve the problems in the background technique.

[0005] To achieve the above object, the utility model provides the following technical solutions: A multifunctional signal fault tester, including a 12V AC / DC buzzer, a five-position four-range switch, a positive wire test probe A, a negative wire test probe A, a 24V DC power supply, a digital display AC voltmeter with a range of 60 - 500V, a digital display DC voltmeter with a range of 0 - 120V, a 24V DC buzzer, a 380V AC buzzer, a positive wire test probe B, a negative wire test probe B, a three-position self-locking knob switch, and a 220V 40W AC incandescent lamp provided on the tester housing, characterized in that: the DC power supply is composed of six 3.7V batteries connected in series; the first gear switch of the five-position four-range switch is electrically connected to the AC / DC buzzer, the negative electrode of the third battery of the AC / DC buzzer and the DC power supply is connected in series through a wire and electrically connected to the second gear switch of the five-position four-range switch, the DC power supply and the DC buzzer are connected in series through a wire and electrically connected to the third gear switch of the five-position four-range switch, the fourth gear switch of the five-position four-range switch is electrically connected to the digital display DC voltmeter, and the fifth gear of the five-position four-range switch is in neutral; the positive wire test probe A is electrically connected to the positive terminals of the respective gear switches of the five-position four-range switch through wires, and the negative wire test probe A is electrically connected to the negative terminals of the respective gear switches of the five-position four-range switch through wires;

[0006] the middle gear of the three-position self-locking knob switch is in neutral, the digital display AC voltmeter and the AC incandescent lamp are connected in parallel through a wire and electrically connected to the left-turn gear switch of the three-position self-locking knob switch, the digital display AC voltmeter and the AC buzzer are connected in parallel through a wire and electrically connected to the right-turn gear switch of the three-position self-locking knob switch; the positive wire test probe B is electrically connected to the positive terminals of the respective gear switches of the three-position self-locking knob switch through wires, and the negative wire test probe B is electrically connected to the negative terminals of the respective gear switches of the three-position self-locking knob switch through wires.

[0007] Further, the negative wire test probe B is electrically connected with a 1A 220V AC fuse.

[0008] Further, a handle is provided on the tester housing, and a magnetic sheet is also provided on the back of the tester housing.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: This multifunctional signal fault tester can perform fault tests on various railway equipment through its provided 12V AC voltage test circuit, 0 - 120V DC voltage test circuit, 220V AC voltage test circuit, and 380V AC voltage test circuit; through the 12V wire and cable test circuit and the 24V wire and cable test circuit, it can respectively perform fault tests on the wire and cable between the mechanical lead - out wire of the building and the branch cable, and the wire and cable between the branch cable box and the terminal cable box, quickly determine whether it is a railway equipment fault or an equipment circuit fault, and quickly find the fault point and then quickly handle the fault; and this fault tester separates its four safety voltage circuits and two high - voltage circuits through a five - position four - gear change switch and a three - gear self - locking knob switch, avoiding the phenomenon of battery damage caused by measuring high voltage and safety voltage. This multifunctional signal fault tester has a simple structure, integrates multiple functions, is convenient to carry, uses reasonable measuring devices, is widely applicable to railway fault testing, and is safe and convenient for railway fault testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a schematic side - view structural diagram of the tester housing of the present utility model;

[0012] Figure 3 is a schematic circuit control principle diagram of the tester of the present utility model;

[0013] Figure 4 is a diagram of the on - off of the gear contacts of the five - position four - gear change switch of the present utility model;

[0014] Figure 5 is a diagram of the on - off of the gear contacts of the three - gear self - locking knob switch of the present utility model.

[0015] In the figure: 1. AC - DC buzzer; 2. Five - position four - gear change switch; 3. Positive wire test rod A; 4. Negative wire test rod A; 5. DC power supply; 6. Digital display AC voltmeter; 7. Digital display DC voltmeter; 8. DC buzzer; 9. AC buzzer; 10. AC fuse; 11. Positive wire test rod B; 12. Negative wire test rod B; 13. Three - gear self - locking knob switch; 14. AC incandescent lamp; 15. Handle; 16. Magnetic sheet; 100. Tester housing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0017] Please refer to Figures 1-5 , the present invention provides a technical solution: a multifunctional signal fault tester, including a 12V AC / DC buzzer 1, a five-position four-range switch 2, a positive wire test probe A3, a negative wire test probe A4, a DC power supply 5 composed of six 3.7V batteries, a digital display AC voltmeter 6 with a range of 60 - 500V, a digital display DC voltmeter 7 with a range of 0 - 120V, a 24V DC buzzer 8, a 380V AC buzzer 9, a positive wire test probe B11, a negative wire test probe B12, a three-position self-locking knob switch 13, and a 220V AC incandescent lamp 14 provided on a tester housing 100;

[0018] The first gear switch of the five-position four-range switch 2 is electrically connected to the 12V AC / DC buzzer 1, and the first gear of the five-position four-range switch 2 forms a 12V AC voltage test circuit;

[0019] The 12V AC / DC buzzer 1 and the negative electrode of the third battery of the DC power supply 5 are connected in series through a wire and electrically connected to the second gear switch of the five-position four-range switch 2. The three series-connected batteries of the DC power supply 5 form a 12V power supply, and the second gear of the five-position four-range switch 2 forms a 12V wire and cable test circuit;

[0020] The DC power supply 5 and the 24V DC buzzer 8 are connected in series through a wire and electrically connected to the third gear switch of the five-position four-range switch 2. The six series-connected batteries of the DC power supply 5 form a 24V power supply, and the third gear of the five-position four-range switch 2 forms a 24V wire and cable test circuit;

[0021] The fourth gear switch of the five-position four-range switch 2 is electrically connected to the digital display DC voltmeter 7 with a range of 0 - 120V, and the fourth gear of the five-position four-range switch 2 forms a 0 - 120V DC voltage test circuit;

[0022] The fifth gear of the five-position four-range switch 2 is in neutral; the positive wire test probe A3 is electrically connected to the positive extreme of each gear switch of the five-position four-range switch 2 through a wire, and the negative wire test probe A4 is electrically connected to the negative extreme of each gear switch of the five-position four-range switch 2 through a wire;

[0023] The middle gear of the three - gear self - locking knob switch 13 is in neutral. The digital display AC voltmeter 6 with a range of 60 - 500V and the 220V AC incandescent lamp 14 are connected in parallel through wires and then electrically connected to the left - hand rotation gear switch of the three - gear self - locking knob switch 13. The left - hand rotation gear of the three - gear self - locking knob switch 13 forms a 220V AC voltage test circuit;

[0024] The digital display AC voltmeter 6 with a range of 60 - 500V and the 380V AC buzzer 9 are connected in parallel through wires and then electrically connected to the right - hand rotation gear switch of the three - gear self - locking knob switch 13. The right - hand rotation gear of the three - gear self - locking knob switch 13 forms a 380V AC voltage test circuit;

[0025] The positive wire test probe B11 is electrically connected to the positive terminals of each gear switch of the three - gear self - locking knob switch 13 through wires, and the negative wire test probe B12 is electrically connected to the negative terminals of each gear switch of the three - gear self - locking knob switch 13 through wires.

[0026] Furthermore, the negative wire test probe B12 is electrically connected to a 1A 220V AC fuse 10.

[0027] Furthermore, a handle 15 is provided on the tester housing 100, and a magnetic sheet 16 is also provided on the back of the tester housing 100.

[0028] Working principle:

[0029] When testing the 12V railway signal lamp for faults, turn the five - position four - gear changeover switch 2 to the first gear, and connect the positive wire test probe A3 and the negative wire test probe A4 to the positive and negative poles of the railway signal lamp. If the AC - DC buzzer 1 gives an audible and visual alarm, it indicates that the output voltage of the railway signal lamp is normal. If the AC - DC buzzer 1 gives no audible and visual alarm, the railway signal lamp has no output voltage;

[0030] When testing short - distance wire and cable faults (for example: the wire and cable between the mechanical room interlocking control signal building lead - out wire and the branch cable), turn the five - position four - gear changeover switch 2 to the second gear, and connect the positive wire test probe A3 and the negative wire test probe A4 to the two end joints of the wire and cable. If the AC - DC buzzer 1 gives an audible and visual alarm, it indicates that the wire and cable is normal. If the AC - DC buzzer 1 gives no audible and visual alarm, it indicates that the wire and cable is short - circuited and damaged;

[0031] When testing long - distance wire and cable faults (for example: the wire and cable between the branch cable box and the terminal cable box), turn the five - position four - gear changeover switch 2 to the third gear, and connect the positive wire test probe A3 and the negative wire test probe A4 to the two end joints of the wire and cable. If the DC buzzer 8 gives an audible and visual alarm, it indicates that the wire and cable is normal. If the DC buzzer 8 gives no audible and visual alarm, it indicates that the wire and cable is short - circuited and damaged;

[0032] When testing the faults of railway equipment powered by 0 - 120V DC voltage (for example: the voltage of semi - automatic equipment and DC relays in the interlocking control equipment in the signal mechanical room), turn the five - position four - gear switch 2 to the fourth gear position, and connect the positive wire test probe A3 and the negative wire test probe A4 to the positive and negative poles of the railway equipment to measure whether the working voltage of the railway equipment is normal;

[0033] When testing the faults of railway equipment powered by 220V AC voltage (for example: the lighting display circuit of railway ground signal machines), turn the three - gear self - locking knob switch 13 to the left - hand position, and connect the positive wire test probe B11 and the negative wire test probe B12 to the positive and negative poles of the railway equipment. If the AC incandescent lamp 14 lights up, it indicates that the output voltage of the railway equipment is normal; if the AC incandescent lamp 14 does not light up, it indicates that the output voltage of the railway equipment is abnormal, and the output voltage of the railway equipment is measured by the digital display AC voltmeter 6;

[0034] When testing the faults of railway equipment powered by 380V AC voltage (for example: switch conversion equipment), turn the five - position four - gear switch 2 to the neutral position, turn the three - gear self - locking knob switch 13 to the right - hand position, and connect the positive wire test probe B11 and the negative wire test probe B12 to the positive and negative poles of the railway equipment. If the AC buzzer 9 gives an audible and visual alarm, it indicates that the output voltage of the railway equipment is normal; if the AC buzzer 9 has no audible and visual alarm, it indicates that the output voltage of the railway equipment is abnormal, and the output voltage of the railway equipment is measured by the digital display AC voltmeter 6;

[0035] When the multifunctional signal fault tester is not in use, it can be adsorbed on the cabinet of the vertical cabinet in the mechanical room through the magnetic sheet 16, which is safe and convenient to pick up and place.

[0036] The multi-functional signal fault tester disclosed in this embodiment can perform fault tests on various railway equipment through its provided 12V AC voltage test circuit, 0 - 120V DC voltage test circuit, 220V AC voltage test circuit, and 380V AC voltage test circuit; through the 12V wire and cable test circuit and the 24V wire and cable test circuit, it can respectively perform fault tests on the wire and cable between the building mechanical lead-out wire and the directional cable, and the wire and cable between the directional cable box and the terminal cable box, quickly determine whether it is a railway equipment fault or an equipment circuit fault, quickly find the fault point and then quickly handle the fault; and this fault tester separates its four safety voltage test circuits and two high-voltage test circuits through the five-position four-speed conversion switch 2 and the three-speed self-locking knob switch 13, avoiding the phenomenon of battery damage caused by high-voltage testing and safety voltage test circuits during measurement, and protecting the high-voltage test circuit of the fault tester through the AC fuse 10. This multi-functional signal fault tester has a simple structure, integrates multiple functions, uses reasonable measuring devices, is widely applicable to railway fault testing, and is convenient for railway fault testing.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional signal fault tester, comprising a 12V AC / DC buzzer, a five-position four-speed conversion switch, a positive wire test rod A, a negative wire test rod A, a 24V DC power supply, a digital display AC voltmeter with a range of 60-500V, a digital display DC voltmeter with a range of 0-120V, a 24V DC buzzer, a 380V AC buzzer, a positive wire test rod B, a negative wire test rod B, a three-speed self-locking knob switch and a 220V40W AC incandescent lamp, characterized in that: The DC power supply is composed of six 3.7V batteries connected in series; the first gear switch of the five-position four-gear conversion switch is electrically connected to the AC / DC buzzer, the AC / DC buzzer and the negative pole of the third battery of the DC power supply are connected in series through a wire and are electrically connected to the second gear switch of the five-position four-gear conversion switch, the DC power supply and the DC buzzer are connected in series through a wire and are electrically connected to the third gear switch of the five-position four-gear conversion switch, the fourth gear switch of the five-position four-gear conversion switch is electrically connected to a digital DC voltmeter, and the fifth gear of the five-position four-gear conversion switch is neutral; the positive pole wire test rod A is electrically connected to the positive end of each gear switch of the five-position four-gear conversion switch through a wire, and the negative pole wire test rod A is electrically connected to the negative end of each gear switch of the five-position four-gear conversion switch through a wire; The middle gear of the three-speed self-locking knob switch is the neutral gear. The digital display AC voltmeter and the AC incandescent lamp are connected in parallel through wires and electrically connected to the left-rotating gear switch of the three-speed self-locking knob switch. The digital display AC voltmeter and the AC buzzer are connected in parallel through wires and electrically connected to the right-rotating gear switch of the three-speed self-locking knob switch. The positive wire test rod B is electrically connected to the positive ends of each gear switch of the three-speed self-locking knob switch through wires, and the negative wire test rod B is electrically connected to the negative ends of each gear switch of the three-speed self-locking knob switch through wires.

2. A multifunctional signal fault tester according to claim 1, characterized in that: The negative electrode wire test rod B is electrically connected to an AC fuse.

3. A multifunctional signal fault tester according to claim 2, characterized in that: The AC fuse is a 1A 220V fuse.

4. A multifunctional signal fault tester according to claim 1, characterized in that: A handle is provided on the tester housing, and a magnetic sheet is also provided on the back of the tester housing.

Images